CN112140284A - Rough plastering device for shield segment production - Google Patents
Rough plastering device for shield segment production Download PDFInfo
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- CN112140284A CN112140284A CN202011142792.8A CN202011142792A CN112140284A CN 112140284 A CN112140284 A CN 112140284A CN 202011142792 A CN202011142792 A CN 202011142792A CN 112140284 A CN112140284 A CN 112140284A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 238000003825 pressing Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000009415 formwork Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/386—Cleaning
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a rough wiping device for shield segment production, which comprises a main truss; an X-axis travelling mechanism, a Y-axis travelling mechanism and a Z-axis travelling mechanism are arranged on the main body truss; the bottom end of the Z-axis travelling mechanism is provided with a tail end floating mechanism; the tail end floating mechanism comprises a rotating seat and a floating blade; the top of the rotating seat is connected with the Z-axis travelling mechanism, and the rotating driving assembly controls the rotating seat to rotate around a rotating shaft in the vertical direction; the upper part of the troweling blade is connected with the rotary plate; a rotary driving assembly is arranged on the rotary seat at one end and is connected with one end of the rotary plate, and the other end of the rotary plate is rotatably connected with the rotary seat at the corresponding end; the rotary driving component controls the rotary plate to rotate around the rotating shaft in the horizontal direction. According to the shield segment rough-surface plastering machine, the X-axis travelling mechanism, the Y-axis travelling mechanism, the Z-axis travelling mechanism, the rotary servo motor and the rotary servo motor are arranged, so that mechanical operation of rough-surface plastering of the outer arc surface of a shield segment can be realized, and the number of field operators is reduced.
Description
Technical Field
The invention belongs to the technical field of shield segment production, and particularly relates to a rough wiping device for shield segment production.
Background
With the rapid development of urbanization construction in China, the scale of cities and towns is continuously enlarged, the population of cities is greatly increased, and the problem of traffic jam is increasingly serious. Urban rail transit is the most efficient public transport mode of transportation, becomes the best choice of solving urban traffic trip pressure. The shield segment is an important structural form of the subway tunnel, the quality of the shield segment is directly related to the quality safety of the tunnel, and the waterproof performance and the durability of the tunnel are affected.
The outer arc surface of the shield segment is the outermost barrier of the tunnel, directly bears the functions of resisting soil layer pressure, underground water pressure and some special loads, has a flat and compact surface, and has the characteristics of impermeability, pressure resistance and the like. The outer arc surface of the shield segment is the position for filling concrete, redundant concrete can be accumulated at the material port, and the segment is roughly smeared by removing the redundant concrete in the production process. The traditional rough plastering method is that two workers pull the long rod to rub and catch along the cambered surface of the pipe piece, so that the labor intensity is high, and the efficiency is low. Because manual operation, workman's operation dynamics and degree of consistency are difficult to control, and the higher position of hardness is difficult for floating in the pressure undersize plane, and too big pressure can cause the plane sunken, influences section of jurisdiction quality.
In order to gradually realize the mechanized production of shield segments, improve the production efficiency of the shield segments, ensure the overall quality of the shield segments and reduce the number of workers, the invention provides a rough wiping device for the production of the shield segments.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a rough wiping device for shield segment production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rough wiping device for shield segment production comprises a main truss;
the main truss is provided with an X-axis travelling mechanism capable of moving along the front and back directions of the main truss;
the X-axis travelling mechanism is provided with a Y-axis travelling mechanism which can move along the left and right directions of the main truss;
the Y-axis travelling mechanism is provided with a Z-axis travelling mechanism capable of moving along the vertical direction;
the bottom end of the Z-axis travelling mechanism is provided with a tail end floating mechanism; the tail end floating mechanism comprises a rotating seat and a floating blade;
the top of the rotating seat is connected with the Z-axis travelling mechanism through a rotating driving assembly, and the rotating driving assembly controls the rotating seat to rotate around a rotating shaft in the vertical direction; the bottoms of the two ends of the rotating seat are provided with rotating seats;
the upper part of the troweling blade is connected with the rotary plate; a rotary driving assembly is arranged on the rotary seat at one end and is connected with one end of a rotary plate, and the other end of the rotary plate is rotatably connected with the rotary seat at the corresponding end; the rotary driving assembly controls the rotary plate to rotate around the rotating shaft in the horizontal direction.
Preferably, the main truss comprises four support columns which are distributed in a rectangular shape, and a cross beam which is parallel to the ground is fixedly arranged between the tops of every two adjacent support columns.
Preferably, the X-axis traveling mechanism includes an X-axis traveling carriage plate and an X-axis linear guide rail extending in the front-rear direction;
the X-axis linear guide rails are positioned at the left end and the right end of the X-axis walking trolley plate and are fixedly arranged on a cross beam extending in the front-back direction;
the bottoms of the left end and the right end of the X-axis walking trolley plate are provided with X-axis guide rail grooves matched with the corresponding X-axis linear guide rails;
the left end and the right end of the X-axis walking trolley plate are provided with X-axis driving components for driving the X-axis walking trolley plate to move along the X-axis linear guide rail;
the Y-axis travelling mechanism is arranged on the X-axis travelling trolley plate.
Preferably, the X-axis driving assembly comprises an X-axis servo motor, an X-axis gear and an X-axis rack extending along the front-back direction;
the X-axis servo motor is fixedly arranged at the end part of the X-axis walking trolley plate, and the output end of the X-axis servo motor is downwards connected with the X-axis gear;
the X-axis rack is fixedly arranged on the X-axis linear guide rail;
and the X-axis gear is in meshed connection with the corresponding X-axis rack.
Preferably, the Y-axis travelling mechanism comprises a Y-axis travelling trolley plate and a Y-axis linear guide rail extending in the left-right direction;
the Y-axis linear guide rail is fixedly arranged on the upper part of the X-axis walking trolley plate;
the bottom of the Y-axis travelling trolley plate is provided with a Y-axis guide rail groove matched with the Y-axis linear guide rail;
the Y-axis traveling trolley plate is provided with a Y-axis driving assembly used for driving the Y-axis traveling trolley plate to move along a Y-axis linear guide rail;
the Z-axis travelling mechanism is arranged on the Y-axis travelling trolley plate.
Preferably, the Y-axis driving assembly includes a Y-axis servo motor, a Y-axis gear, and a Y-axis rack extending in the left-right direction;
the Y-axis servo motor is fixedly arranged on the upper part of the Y-axis walking trolley plate, and the output end of the Y-axis servo motor is downwards connected with the Y-axis gear
The Y-axis rack is fixedly arranged on the Y-axis linear guide rail;
and the Y-axis gear is meshed with the Y-axis rack.
Preferably, the Z-axis travelling mechanism comprises a support frame; a Z-axis linear guide rail extending along the vertical direction is arranged on the support frame;
a Z-axis guide rail groove matched with the Z-axis linear guide rail is formed in the Y-axis walking trolley plate;
a Z-axis driving assembly for controlling the support frame to move along the Z-axis linear guide rail is arranged on the Y-axis walking trolley plate;
the bottom end of the support frame is connected with the tail end floating mechanism.
Preferably, the Z-axis driving assembly comprises a Z-axis servo motor, a Z-axis gear and a Z-axis rack extending along the vertical direction;
the Z-axis servo motor is fixedly arranged on the upper part of the Y-axis travelling trolley plate through a motor plate, and the output end of the Z-axis servo motor is connected with the Z-axis gear;
the Z-axis rack is fixedly arranged on one side surface of the support frame;
and the Z-axis gear is meshed with the Z-axis rack.
Preferably, the rotary driving assembly comprises a mounting seat and a rotary servo motor; the rotary servo motor is fixedly connected with the bottom of the support frame through the mounting seat, and the output end of the rotary servo motor is downwards connected with the top of the rotary seat;
the rotary driving assembly comprises a rotary servo motor, the rotary servo motor is connected with a rotary seat at one end of a rotary seat, and a bearing with a seat is arranged on the rotary seat at the other end of the rotary seat; the output end of the rotary servo motor is connected with one end of a rotary plate, and the other end of the rotary plate is connected with a bearing with a seat;
the top parts of the two ends of the rotary plate are provided with a pressing cylinder, and the end part of a piston rod of the pressing cylinder is connected with the top end of the trowelling blade through a floating joint;
linear bearings are arranged at two ends of the rotary plate;
the floating blade is provided with a guide rod which is in sliding fit with the corresponding support bearing;
and vibration motors are arranged at the tops of two ends of the trowelling blade.
Preferably, the two end faces of the troweling blade are symmetrically provided with side die cleaning components;
the side die cleaning assembly comprises a connecting plate, one end of the connecting plate is fixedly connected with the end face of the troweling blade, and the other end of the connecting plate is provided with a scraping plate in an L-shaped structure;
the vertical section of the scraper is rotationally connected with the connecting plate, and the horizontal section of the scraper is positioned at the lower part of the bottom end face of the troweling blade;
two limit stops are arranged below the end face, back to the trowelling blade, of the connecting plate, and the vertical section of the scraping plate is located between the two limit stops.
The invention has the beneficial effects that:
(1) the rough plastering device for shield segment production has 5 degrees of freedom for the plastering blade through the arrangement of the X-axis travelling mechanism, the Y-axis travelling mechanism, the Z-axis travelling mechanism, the rotary servo motor and the rotary servo motor, can realize the mechanical operation of rough plastering of the outer arc surface of the shield segment, reduces the number of field operators and improves the plastering efficiency.
(2) The pressing cylinder is arranged, so that proper troweling pressure can be provided for the troweling blade, and transitional abrasion of the outer arc surface of the duct piece caused by overlarge pressure can be avoided.
(3) The vibrating motor is arranged to provide vibrating force for the rough wiping process, so that the concrete is vibrated to be compacted, and the compactness and the flatness of the duct piece are enhanced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic perspective view of the rough surface device for shield segment production according to the present invention;
FIG. 2 is a schematic left side view of the rough surface device for shield segment production according to the present invention;
FIG. 3 is a schematic plan view of the structure of the X-axis traveling mechanism of the present invention;
FIG. 4 is a schematic structural view of the tip troweling mechanism according to the present invention;
FIG. 5 is an enlarged view of A in FIG. 1;
FIG. 6 is an enlarged view of B in FIG. 1;
FIG. 7 is an enlarged view of C in FIG. 1;
FIG. 8 is a schematic diagram of the rough wiping device for shield segment production and shield segment fitting of the present invention;
FIG. 9 is a schematic view of the combination of the end troweling mechanism, the side forms cleaning assembly, and the shield segments of the present invention;
FIG. 10 is a schematic diagram of the operation of the rough-coating device for shield segment production according to the present invention;
wherein,
0-shield segment, 01-side form table;
1-main truss, 11-supporting upright post, 12-cross beam;
the device comprises a 2-X-axis travelling mechanism, a 21-X-axis travelling trolley plate, a 22-X-axis servo motor, a 23-X-axis linear guide rail, a 24-X-axis rack, a 25-X-axis limiting block, a 26-X-axis limiting sensor and a 27-X-axis drag chain routing unit;
the device comprises a 3-Y-axis travelling mechanism, a 31-Y-axis travelling trolley plate, a 32-Y-axis linear guide rail, a 33-Y-axis rack, a 34-Y-axis limiting block, a 35-Y-axis limiting sensor and a 36-Y-axis drag chain routing unit;
the device comprises a 4-Z-axis travelling mechanism, a 41-support frame, a 42-Z-axis linear guide rail, a 43-Z-axis servo motor, a 431-motor plate, a 44-Z-axis rack and a 45-Z-axis drag chain wiring unit;
5-tail end floating mechanism, 51-rotating base, 52-smoothing blade, 521-guide rod, 53-rotating base, 54-rotating plate, 541-linear bearing, 55-mounting base, 56-rotating servo motor, 57-rotating servo motor, 58-bearing with base, 59-pressing cylinder, 510-floating joint and 511-vibrating motor;
6-side die cleaning component, 61-connecting plate, 62-scraper, 63-limit stop, 64-rotating shaft and 65-locking nut.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The invention is further illustrated with reference to the following figures and examples.
Example 1:
as shown in fig. 1-2, a rough-plastering device for shield segment production comprises a main truss 1;
the main body truss 1 is provided with an X-axis travelling mechanism 2 which can move along the front and back directions of the main body truss 1;
the X-axis travelling mechanism 2 is provided with a Y-axis travelling mechanism 3 which can move along the left and right directions of the main truss 1;
the Y-axis travelling mechanism 3 is provided with a Z-axis travelling mechanism 4 capable of moving along the vertical direction;
the bottom end of the Z-axis travelling mechanism 4 is provided with a tail end floating mechanism 5; as shown in fig. 4, the terminal troweling mechanism 5 includes a rotating base 51, a troweling blade 52;
the top of the rotating base 51 is connected with the Z-axis travelling mechanism 4 through a rotating driving assembly, and the rotating driving assembly controls the rotating base 51 to rotate around a rotating shaft in the vertical direction; the bottoms of the two ends of the rotating seat 51 are provided with rotating seats 53;
the upper part of the troweling blade 52 is connected with a rotary plate 54; a rotary driving assembly is arranged on the rotary seat 53 at one end and is connected with one end of a rotary plate 54, and the other end of the rotary plate 54 is rotatably connected with the rotary seat 53 at the corresponding end; the swing drive assembly controls the swing plate 54 to rotate about the horizontal axis of rotation.
Example 2:
on the basis of the embodiment 1, as shown in fig. 1, the main truss 1 includes four support columns 11 distributed in a rectangular shape, and a cross beam 12 parallel to the ground is fixedly arranged between the tops of two adjacent support columns 11; when in use, the bottoms of the four supporting upright posts 11 are fixedly connected with the concrete base on the ground.
Preferably, as shown in fig. 3, the X-axis traveling mechanism 2 includes an X-axis traveling carriage plate 21 and an X-axis linear guide 23 extending in the front-rear direction;
the X-axis linear guide rails 23 are positioned at the left end and the right end of the X-axis walking trolley plate 21 and are fixedly arranged on the cross beam 12 extending along the front-back direction;
the bottoms of the left and right ends of the X-axis walking trolley plate 21 are provided with X-axis guide rail grooves matched with the corresponding X-axis linear guide rails 23;
the left end and the right end of the X-axis walking trolley plate 21 are provided with X-axis driving components for driving the X-axis walking trolley plate 21 to move along an X-axis linear guide rail 23;
the Y-axis travelling mechanism 3 is arranged on the X-axis travelling trolley plate 21.
Preferably, as shown in fig. 5 to 6, the X-axis driving assembly includes an X-axis servomotor 22, an X-axis gear, and an X-axis rack 23 extending in the front-rear direction;
the X-axis servo motor 22 is fixedly arranged at the end part of the X-axis walking trolley plate 21, and the output end of the X-axis servo motor 22 is downwards connected with an X-axis gear; specifically, an X-axis reducer is arranged at the output end of the X-axis servo motor 22, and the output end of the X-axis reducer is connected with an X-axis gear;
the X-axis rack 24 is fixedly arranged on the X-axis linear guide rail 23;
the X-axis gears are in meshed connection with corresponding X-axis racks 24.
The X-axis servo motor 22 is started, and under the meshing transmission of the X-axis gear and the X-axis rack 24, the X-axis walking trolley plate 21 moves back and forth along the X-axis linear guide rail 23, so that the tail end floating mechanism 5 moves back and forth along the X-axis direction of the main truss 1. Wherein, the front and back X-axis direction of the main truss 1 is consistent with the width direction of the shield segment 0.
Preferably, the front end and the rear end of the X-axis linear guide rail 23 are provided with an X-axis limiting block 25; an X-axis limiting sensor 26 is arranged at one end of the X-axis walking trolley board 21, and after the X-axis walking trolley board 21 walks to a preset position along the X-axis direction, the X-axis limiting sensor 26 controls the X-axis walking trolley board 21 to stop running.
Specifically, the two ends of the X-axis traveling trolley board 21 are provided with X-axis tow-chain routing units 27, one end of each X-axis tow-chain routing unit 27 is fixed on the corresponding cross beam 12, and the other end of each X-axis tow-chain routing unit 27 is connected with the X-axis traveling mechanism 2 and moves in the X-axis direction along with the X-axis traveling mechanism 2.
Example 3:
in addition to embodiment 2, the Y-axis traveling mechanism 3 includes a Y-axis traveling carriage plate 31 and a Y-axis linear guide rail 32 extending in the left-right direction;
the Y-axis linear guide rail 32 is fixedly arranged on the upper part of the X-axis walking trolley plate 21;
a Y-axis guide rail groove matched with the Y-axis linear guide rail 32 is formed in the bottom of the Y-axis walking trolley plate 31;
a Y-axis driving component for driving the Y-axis walking trolley plate 31 to move along the Y-axis linear guide rail 32 is arranged on the Y-axis walking trolley plate 31;
the Z-axis traveling mechanism 4 is provided on the Y-axis traveling carriage plate 31.
Preferably, the Y-axis driving assembly includes a Y-axis servo motor, a Y-axis gear, and a Y-axis rack 33 extending in the left-right direction;
the Y-axis servo motor is fixedly arranged on the upper part of the Y-axis walking trolley plate 31, and the output end of the Y-axis servo motor is downwards connected with the Y-axis gear; specifically, a Y-axis speed reducer is arranged at the output end of the Y-axis servo motor, and the output end of the Y-axis speed reducer is connected with a Y-axis gear;
the Y-axis rack 33 is fixedly arranged on the Y-axis linear guide rail 32;
the Y-axis gear is engaged with the Y-axis rack 33.
And when the Y-axis servo motor is started, the Y-axis walking trolley plate 31 moves left and right along the Y-axis linear guide rail 32 under the meshing transmission of the Y-axis gear and the Y-axis rack 33, and then the tail end floating mechanism 5 moves left and right along the Y-axis direction of the main truss 1. Wherein, the Y-axis direction around the main truss 1 is consistent with the length direction of the shield segment 0.
Preferably, the left end and the right end of the Y-axis linear guide 33 are provided with Y-axis limiting blocks 34; one end of the Y-axis walking trolley board 31 is provided with a Y-axis limiting sensor 35, and after the Y-axis walking trolley board 31 walks to a preset position along the Y-axis direction, the Y-axis limiting sensor 35 controls the Y-axis walking trolley board 31 to stop running.
Specifically, a Y-axis drag chain routing unit 36 is arranged on the Y-axis traveling trolley board 31, one end of the Y-axis drag chain routing unit 36 is fixed on the X-axis traveling trolley board 21, and the other end of the Y-axis drag chain routing unit 36 is connected with the Y-axis traveling mechanism 3 and moves in the Y-axis direction along with the Y-axis traveling mechanism 3.
Example 4:
on the basis of embodiment 3, as shown in fig. 2 and 5, the Z-axis traveling mechanism 4 includes a support frame 41; a Z-axis linear guide rail 42 extending along the vertical direction is arranged on the support frame 41;
a Z-axis guide rail groove matched with the Z-axis linear guide rail 42 is formed in the Y-axis travelling trolley plate 31;
a Z-axis driving component for controlling the support frame 41 to move along the Z-axis linear guide rail 42 is arranged on the Y-axis walking trolley plate 31;
the bottom end of the support frame 41 is connected with the tail end floating mechanism 5.
Preferably, the Z-axis driving assembly includes a Z-axis servomotor 43, a Z-axis gear, and a Z-axis rack 44 extending in a vertical direction;
the Z-axis servo motor 43 is fixedly arranged on the upper part of the Y-axis travelling trolley plate 31 through a motor plate 431, and the output end of the Z-axis servo motor 43 is connected with a Z-axis gear; specifically, a Z-axis reducer is arranged at the output end of the Z-axis servo motor 43, and the output end of the Z-axis reducer is connected with a Z-axis gear;
the Z-axis rack 44 is fixedly arranged on one side surface of the support frame 41;
the Z-axis gear is in meshing engagement with the Z-axis rack 44.
The Z-axis servo motor 43 is started, and the support frame 41 moves up and down along the Z-axis linear guide rail 42 under the meshing transmission of the Z-axis gear and the Z-axis rack 44, so that the tail end floating mechanism 5 moves along the vertical Z-axis direction of the main truss 1.
Specifically, a Z-axis drag chain routing unit 45 is arranged on the support frame 41, one end of the Z-axis drag chain routing unit 45 is fixed on the Y-axis walking trolley board 31, and the other end of the Z-axis drag chain routing unit 45 is connected with the top of the support frame 41 and moves in the Z-axis direction along with the support frame 41.
Example 5:
on the basis of embodiment 4, as shown in fig. 4 and 7, the rotary drive assembly includes a mounting seat 55, a rotary servo motor 56; the rotary servo motor 56 is fixedly connected with the bottom of the support frame 41 through a mounting seat 55, and the output end of the rotary servo motor 56 is downwards connected with the top of the rotary seat 51; specifically, the output end of the rotary servo motor 56 is connected with a rotary speed reducer, and the output end of the rotary speed reducer is connected with the top of the rotary base 51; the rotary servo motor 56 drives the rotary seat 51 and the troweling blade 52 to rotate around the vertical rotating shaft;
the rotary driving assembly comprises a rotary servo motor 57, the rotary servo motor 57 is connected with a rotary base 53 at one end of a rotary base 51, and a bearing 58 with a base is arranged on the rotary base 53 at the other end of the rotary base 51; the output end of the rotary servo motor 57 is connected with one end of the rotary plate 54, and the other end of the rotary plate 54 is connected with the bearing with a seat 58. The rotary servo motor 57 drives the rotary plate 54 and the floating blade 52 to rotate around the horizontal rotating shaft so as to adjust the inclination direction of the floating blade 52, thereby adapting to the outer arc surfaces of the pipe pieces at different positions.
Preferably, the top of the two ends of the rotating plate 54 is provided with a pressing cylinder 59, and the end of the piston rod of the pressing cylinder 59 is connected with the top end of the troweling blade 52 through a floating joint 510;
two ends of the rotary plate 54 are provided with linear bearings 541;
the troweling blade 52 is provided with a guide rod 521 which is in sliding fit with the corresponding linear bearing 541.
The arrangement of the hold-down cylinder 59 provides a suitable troweling pressure for the troweling blade 52 while avoiding excessive wear of the side edges of the tube sheet caused by excessive pressure.
Preferably, the vibrating motors 511 are arranged at the tops of the two ends of the troweling blade 52 to provide vibrating force for the rough troweling process, so that the concrete surface is paved more uniformly and compactly.
Example 6:
on the basis of the embodiment 1, the embodiment 2, the embodiment 3, the embodiment 4 or the embodiment 5, the two end faces of the troweling blade 52 are symmetrically provided with the side die cleaning components 6;
the side die cleaning component 6 comprises a connecting plate 61, one end of the connecting plate 61 is fixedly connected with the end face of the troweling blade 52, and the other end of the connecting plate 61 is provided with a scraping plate 62 in an L-shaped structure;
the vertical section of the scraper blade 62 is rotatably connected with the connecting plate 61, and the horizontal section of the scraper blade 62 is positioned at the lower part of the bottom end face of the troweling blade 52;
two limit stops 63 are arranged below the end face of the connecting plate 61, which faces away from the troweling blade 52, and the vertical section of the scraping plate 62 is located between the two limit stops 63.
As shown in fig. 8, the two ends of the extrados of the shield segment 0 are symmetrically provided with the side formwork table tops 01 with reduced height, when the trowelling blade 52 trowels the extrados, the scraped concrete can reach the side formwork table tops 01 at the two sides, and the scraper 62 in the side formwork cleaning assembly 6 in the application is used for scraping the concrete on the side formwork table tops 01. And the arrangement of two limit stops 63 on the connecting plate 61 realizes the scraping force of the bottom of the scraper 62 to the concrete through the blocking force of the corresponding side limit stop 63 to the scraper 62. When the troweling blade 52 is in operation, the positional relationship between the tail end troweling mechanism 5, the side form cleaning assembly 6 and the shield segment 0 is shown in fig. 9.
Preferably, a rotating shaft 64 is arranged on the end surface of the connecting plate 61, which faces away from the troweling blade 52, and the upper part of the vertical section of the scraping plate 62 is rotatably connected with the rotating shaft 64 through a bearing.
Preferably, a locking nut 65 is threadedly connected to an end of the rotating shaft 64.
The rough-plastering device for shield segment production in the embodiment 5 has the following specific implementation mode:
in the present application, the X-axis servo motor 22, the Y-axis servo motor, the Z-axis servo motor 43, the rotation servo motor 56, and the rotation servo motor 57 are controlled by using a conventional numerical control system.
As shown in fig. 10, before the floating, the numerical control system controls each servo motor to make the end floating mechanism 5 located at the initial position a.
When the surface smearing is started:
(1) the tail end floating mechanism 5 moves from the point A to a point B (the point B is the highest point of the outer arc surface of the shield segment);
(2) the rotary servo motor 56 is started to rotate the floating blade 52 until the length direction of the floating blade 52 is consistent with the width direction of the shield segment 0;
(3) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 cooperate to move the troweling blade 52 to the point C;
(4) the piston rod of the pressing cylinder 59 extends out, so that the floating blade 52 is pressed on the outer arc surface of the duct piece, and the angle of the floating blade 52 is matched with the curved surface of the duct piece;
(5) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 are matched, and the trowelling blade 52 moves from the point C to the point B to conduct rough trowelling operation;
(6) the piston rod of the pressing cylinder 59 retracts, so that the troweling blade 52 leaves the curved surface of the segment;
(7) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 cooperate to move the troweling blade 52 to a point D; (ii) a
(8) The piston rod of the pressing cylinder 59 extends out, so that the floating blade 52 is pressed on the outer arc surface of the duct piece, and the angle of the floating blade 52 is matched with the curved surface of the duct piece;
(9) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 cooperate to move the trowelling blade 52 from the point D to the point C through the point B for rough trowelling operation;
(10) the piston rod of the pressing cylinder 59 retracts, so that the troweling blade 52 leaves the curved surface of the segment;
(11) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 cooperate to move the troweling blade 52 from the point C to the point E;
(12) the piston rod of the pressing cylinder 59 extends out, so that the floating blade 52 is pressed on the outer arc surface of the duct piece, and the angle of the floating blade 52 is matched with the curved surface of the duct piece;
(13) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 cooperate with each other, and the troweling blade 52 moves from point E to point F through point C, B, D to perform rough troweling operation;
(14) the Y-axis servo motor, the Z-axis servo motor 43 and the rotary servo motor 57 are matched, and the floating blade 52 moves from the point F to the point B through the point D to perform rough floating operation;
(15) the piston rod of the pressing cylinder 59 retracts, so that the troweling blade 52 leaves the curved surface of the segment;
(16) and the numerical control system controls each servo motor to reset the tail end floating mechanism to the point A so as to wait for the next rough floating operation.
E, C, B, D, F is an equant point on the arc surface of the section of the shield segment, point B is the highest point in the middle, points C and D are symmetrical middle points, and points E and F are symmetrical lowest points.
The rough plastering implementation mode is only one implementation mode of the rough plastering device, and other implementation modes can be adopted to realize the plastering operation of the outer arc surface of the shield segment.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (10)
1. A rough wiping device for shield segment production is characterized by comprising a main truss;
the main truss is provided with an X-axis travelling mechanism capable of moving along the front and back directions of the main truss;
the X-axis travelling mechanism is provided with a Y-axis travelling mechanism which can move along the left and right directions of the main truss;
the Y-axis travelling mechanism is provided with a Z-axis travelling mechanism capable of moving along the vertical direction;
the bottom end of the Z-axis travelling mechanism is provided with a tail end floating mechanism; the tail end floating mechanism comprises a rotating seat and a floating blade;
the top of the rotating seat is connected with the Z-axis travelling mechanism through a rotating driving assembly, and the rotating driving assembly controls the rotating seat to rotate around a rotating shaft in the vertical direction; the bottoms of the two ends of the rotating seat are provided with rotating seats;
the upper part of the troweling blade is connected with the rotary plate; a rotary driving assembly is arranged on the rotary seat at one end and is connected with one end of a rotary plate, and the other end of the rotary plate is rotatably connected with the rotary seat at the corresponding end; the rotary driving assembly controls the rotary plate to rotate around the rotating shaft in the horizontal direction.
2. The rough-plastering device for shield segment production according to claim 1, wherein the main truss comprises four support columns which are distributed in a rectangular shape, and a cross beam which is parallel to the ground is fixedly arranged between the tops of every two adjacent support columns.
3. The rough-plastering device for shield segment production according to claim 2, wherein the X-axis running mechanism comprises an X-axis running trolley plate and an X-axis linear guide rail extending in the front-rear direction;
the X-axis linear guide rails are positioned at the left end and the right end of the X-axis walking trolley plate and are fixedly arranged on a cross beam extending in the front-back direction;
the bottoms of the left end and the right end of the X-axis walking trolley plate are provided with X-axis guide rail grooves matched with the corresponding X-axis linear guide rails;
the left end and the right end of the X-axis walking trolley plate are provided with X-axis driving components for driving the X-axis walking trolley plate to move along the X-axis linear guide rail;
the Y-axis travelling mechanism is arranged on the X-axis travelling trolley plate.
4. The rough-plastering device for shield segment production according to claim 3, wherein the X-axis driving assembly comprises an X-axis servo motor, an X-axis gear and an X-axis rack extending in the front-rear direction;
the X-axis servo motor is fixedly arranged at the end part of the X-axis walking trolley plate, and the output end of the X-axis servo motor is downwards connected with the X-axis gear;
the X-axis rack is fixedly arranged on the X-axis linear guide rail;
and the X-axis gear is in meshed connection with the corresponding X-axis rack.
5. The rough-plastering device for shield segment production according to claim 4, wherein the Y-axis travelling mechanism comprises a Y-axis travelling trolley plate and a Y-axis linear guide rail extending in the left-right direction;
the Y-axis linear guide rail is fixedly arranged on the upper part of the X-axis walking trolley plate;
the bottom of the Y-axis travelling trolley plate is provided with a Y-axis guide rail groove matched with the Y-axis linear guide rail;
the Y-axis traveling trolley plate is provided with a Y-axis driving assembly used for driving the Y-axis traveling trolley plate to move along a Y-axis linear guide rail;
the Z-axis travelling mechanism is arranged on the Y-axis travelling trolley plate.
6. The rough-plastering device for shield segment production according to claim 5, wherein the Y-axis driving assembly comprises a Y-axis servo motor, a Y-axis gear and a Y-axis rack extending in the left-right direction;
the Y-axis servo motor is fixedly arranged on the upper part of the Y-axis walking trolley plate, and the output end of the Y-axis servo motor is downwards connected with the Y-axis gear
The Y-axis rack is fixedly arranged on the Y-axis linear guide rail;
and the Y-axis gear is meshed with the Y-axis rack.
7. The rough-plastering device for shield segment production according to claim 6, wherein the Z-axis travelling mechanism comprises a support frame; a Z-axis linear guide rail extending along the vertical direction is arranged on the support frame;
a Z-axis guide rail groove matched with the Z-axis linear guide rail is formed in the Y-axis walking trolley plate;
a Z-axis driving assembly for controlling the support frame to move along the Z-axis linear guide rail is arranged on the Y-axis walking trolley plate;
the bottom end of the support frame is connected with the tail end floating mechanism.
8. The rough-plastering device for shield segment production according to claim 7, wherein the Z-axis driving assembly comprises a Z-axis servo motor, a Z-axis gear and a Z-axis rack extending in the vertical direction;
the Z-axis servo motor is fixedly arranged on the upper part of the Y-axis travelling trolley plate through a motor plate, and the output end of the Z-axis servo motor is connected with the Z-axis gear;
the Z-axis rack is fixedly arranged on one side surface of the support frame;
and the Z-axis gear is meshed with the Z-axis rack.
9. The rough-plastering device for shield segment production according to claim 8, wherein the rotary driving assembly comprises a mounting seat and a rotary servo motor; the rotary servo motor is fixedly connected with the bottom of the support frame through the mounting seat, and the output end of the rotary servo motor is downwards connected with the top of the rotary seat;
the rotary driving assembly comprises a rotary servo motor, the rotary servo motor is connected with a rotary seat at one end of a rotary seat, and a bearing with a seat is arranged on the rotary seat at the other end of the rotary seat; the output end of the rotary servo motor is connected with one end of a rotary plate, and the other end of the rotary plate is connected with a bearing with a seat;
the top parts of the two ends of the rotary plate are provided with a pressing cylinder, and the end part of a piston rod of the pressing cylinder is connected with the top end of the trowelling blade through a floating joint;
linear bearings are arranged at two ends of the rotary plate;
the floating blade is provided with a guide rod which is in sliding fit with the corresponding support bearing;
and vibration motors are arranged at the tops of two ends of the trowelling blade.
10. The rough-plastering device for shield segment production according to claim 1, wherein side-form cleaning assemblies are symmetrically arranged on two end faces of the plastering blade;
the side die cleaning assembly comprises a connecting plate, one end of the connecting plate is fixedly connected with the end face of the troweling blade, and the other end of the connecting plate is provided with a scraping plate in an L-shaped structure;
the vertical section of the scraper is rotationally connected with the connecting plate, and the horizontal section of the scraper is positioned at the lower part of the bottom end face of the troweling blade;
two limit stops are arranged below the end face, back to the trowelling blade, of the connecting plate, and the vertical section of the scraping plate is located between the two limit stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142792.8A CN112140284A (en) | 2020-10-23 | 2020-10-23 | Rough plastering device for shield segment production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142792.8A CN112140284A (en) | 2020-10-23 | 2020-10-23 | Rough plastering device for shield segment production |
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| CN112140284A true CN112140284A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011142792.8A Pending CN112140284A (en) | 2020-10-23 | 2020-10-23 | Rough plastering device for shield segment production |
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| CN (1) | CN112140284A (en) |
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| CN113524391A (en) * | 2021-08-12 | 2021-10-22 | 中电建成都混凝土制品有限公司 | Shield constructs smart device of plastering a surface of section of jurisdiction concrete outer arc face |
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