CN214425026U

CN214425026U - Novel planetary reducer driven by motor and used on push bench

Info

Publication number: CN214425026U
Application number: CN202120501808.3U
Authority: CN
Inventors: 张武强
Original assignee: Zhejiang Xinpeca Hydraulic Co ltd
Current assignee: Zhejiang Xinpeca Hydraulic Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-19
Anticipated expiration: 2031-03-09

Abstract

The application discloses a novel planetary reducer driven by a motor and used on a push bench, which comprises a bench body and a cutter head, wherein a planetary gear transmission mechanism, a reciprocating mechanism and an adjusting mechanism are arranged in the bench body; the planetary gear transmission mechanism comprises a first motor, a sun gear, a first planetary gear and an output shaft, the reciprocating mechanism is connected with the sleeve, and the reciprocating mechanism drives the sleeve to drive the cutter head to reciprocate; the adjusting mechanism is connected with the reciprocating mechanism and drives the reciprocating mechanism to move along the axial direction of the output shaft, so that the distance between the cutter head and the machine body is adjusted. This application makes the blade disc of push bench can reciprocating motion in the course of the work, still can provide space and time for the discharge of gravel and sand and earth in the push bench when having strengthened push bench work efficiency, and the distance between blade disc and the push bench is adjustable to be adapted to different operational environment, reserve sufficient space for the discharge of earth and gravel and sand.

Description

Novel planetary reducer driven by motor and used on push bench

Technical Field

The application relates to the technical field of speed reducer manufacturing, in particular to a novel planetary speed reducer driven by a motor and used on a push bench.

Background

With the continuous development of municipal construction in China, the urban underground pipeline laying engineering becomes a hot spot. The current common equipment is underground pipeline laying equipment with trenchless technology, namely a pipe jacking machine. As the working characteristics of the push bench are that the push bench is constructed in underground one-time long distance, very high requirements are provided for the reliability of the push bench. In the prior art, the push bench needs to discharge a large amount of soil and gravel and sand in the working process, and because the push bench continuously moves forward, enough space can not be reserved for discharging the soil and gravel and sand, so that the discharge of the soil and gravel and sand is very slow, and even the blockage can influence normal work.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a novel planetary reducer who is used for on push bench by motor drive for the blade disc of push bench can reciprocating motion in the course of the work, still can provide space and time for the discharge of gravel and sand in the push bench when having strengthened push bench work efficiency, and the distance between blade disc and the push bench is adjustable, in order to be adapted to different operation environment, reserve sufficient space for the discharge of mud and gravel and sand.

In order to achieve the purpose, the application provides a novel planetary reducer driven by a motor and used on a push bench, which comprises a bench body and a cutter head, wherein a planetary gear transmission mechanism, a reciprocating mechanism and an adjusting mechanism are arranged in the bench body;

the planetary gear transmission mechanism comprises a first motor, a sun gear, a first planetary gear and an output shaft, wherein the sun gear is meshed with the first planetary gear, the first motor drives the first planetary gear to rotate, the output shaft penetrates through the sun gear, a sleeve is sleeved on the output shaft and fixedly connected with the cutter head, the sleeve is connected with the output shaft through a spline, and the sleeve can slide along the axial direction of the output shaft;

the reciprocating mechanism is connected with the sleeve and drives the sleeve to drive the cutter head to reciprocate;

the adjusting mechanism is connected with the reciprocating mechanism and drives the reciprocating mechanism to move along the axial direction of the output shaft, so that the distance between the cutter head and the machine body is adjusted.

Compared with the prior art, the beneficial effect of this application lies in: the first motor drives the first planet wheel to rotate, and the sun wheel is connected with the output shaft, so that the rotation speed of the output shaft can be reduced through the meshed connection of the first planet wheel and the sun wheel, and the working requirement can be met; the cover is equipped with the sleeve on the output shaft, sleeve and blade disc fixed connection, reciprocating mechanism can drive sleeve and blade disc and move, thereby make the blade disc also can carry out reciprocal propulsion and retreat at the rotation in-process, the blade disc can make the blade disc possess bigger excavation intensity at reciprocating motion's in-process, it breaks to change hard place, make the efficiency of excavation promote, and the clearance distance between adjustable blade disc of guiding mechanism and the organism, in order to provide sufficient space for the emission of gravel and sand and earth.

As the improvement, the planetary gear transmission mechanism further comprises a planet carrier, the planet carrier is rotationally connected with the machine body, and the planet gear can stay at the original position to rotate and cannot rotate around the sun gear through the improvement.

As an improvement, the planetary gear transmission mechanism also comprises a second planet gear, the reciprocating mechanism comprises a rotating shaft, a first bevel gear, a second bevel gear and a connecting frame, one end of the rotating shaft penetrates through the second planet wheel, the other end of the rotating shaft penetrates through the first helical gear, the first bevel gear is meshed with the second bevel gear, a convex column is arranged on the second bevel gear, the convex column is abutted against the inside of the connecting frame, the connecting frame is fixedly connected with the sleeve, the second planet wheel rotates to drive the second helical gear to rotate, so that the connecting frame drives the output shaft and the cutter head to reciprocate, through the improvement, the rotating motion power source of the second planet wheel is utilized, the installation of a motor is omitted, the cost is reduced, and the installation of the structural position in the machine body is more compact, and the integral stability of the device is improved.

As the improvement, planetary gear drive still includes the planet carrier, reciprocating mechanism still includes the slip table, first helical gear, second helical gear with the equal fixed connection of pivot is in on the slip table, guiding mechanism includes second motor, lead screw and slider, second motor drive the lead screw rotates, the lead screw with the slider cooperation is connected, the slider with planetary gear rotates to be connected, the second planet wheel pass through the spline with the sun gear with the planet carrier is connected, the lead screw rotates to drive make the slider follow the axial displacement of output shaft for reciprocating mechanism drives the slip table with the cutter head removes, thereby adjust the cutter head apart from the distance of organism, through the improvement, guiding mechanism accessible removes the slip table with telescopic position, adjust the cutter head with the distance between the organism, enough space is reserved for the sand and the soil to be discharged, so that the cutter head is not required to be interfered by the accumulation of the sand and the soil in the propelling process, and the working efficiency is further improved.

As the improvement, still be equipped with support piece in the organism, the sleeve passes through support piece with the blade disc is connected, support piece's quantity is three, and the even ring of three support piece is located on the sleeve, through the aforesaid improvement for be connected more stably between sleeve and the blade disc, and three support piece ring is located on the sleeve and the blade disc, effectual promotion support piece's intensity, and is not fragile.

As the improvement, still be equipped with the calandria in the organism, the one end of calandria is located the blade disc rear, the other end is located the organism is external, through the above-mentioned improvement, the rear of blade disc is located in the import of calandria, can make the earth and the gravel and sand of piling up at the blade disc rear quick discharge through the calandria, and when the blade disc was back down, can promote earth and gravel and sand for the emission of earth and gravel and sand.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present application;

FIG. 2 is a cross-sectional view of the overall structure of the adjustment mechanism of FIG. 1 after the adjustment mechanism drives the cutter head to move away from the machine body;

FIG. 3 is a cross-sectional view of the overall construction of the reciprocating mechanism of FIG. 2 as it moves the cutter head to the end furthest away from the machine body;

fig. 4 is a partially enlarged schematic view of a in fig. 1.

In the figure: 1. a body; 21. a sun gear; 211. an output shaft; 22. a first planet gear; 221. a first motor; 23. a second planet wheel; 231. a rotating shaft; 232. a first helical gear; 233. a second helical gear; 234. a convex column; 235. a frame; 236. a sliding table; 24. a planet carrier; 31. a second motor; 32. a screw rod; 33. a slider; 4. a cutter head; 41. a support member; 42. a sleeve; 5. and (4) arranging pipes.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The application provides a novel planetary reducer driven by a motor and used on a push bench, as shown in figure 1, the novel planetary reducer comprises a machine body 1 and a cutter head 4, wherein a planetary gear transmission mechanism, a reciprocating mechanism and an adjusting mechanism are arranged in the machine body 1;

the planetary gear transmission mechanism comprises a first motor 221, a sun gear 21, a first planetary gear 22 and an output shaft 211, the first motor 221 is meshed with the first planetary gear 22 and is connected with the sun gear 21 and a planet carrier 24 respectively, the first motor 221 drives the first planetary gear 22 to rotate, the output shaft 211 penetrates through the sun gear 21, a sleeve 42 is sleeved on the output shaft 211, the sleeve 42 is fixedly connected with the cutter head 4, the sleeve 42 is rotatably connected with the output shaft 211, the sleeve 42 is connected with the output shaft 211 through a spline, and the sleeve 42 can slide along the axial direction of the output shaft 211;

the reciprocating mechanism is connected with the sleeve 42 and drives the sleeve 42 to drive the cutter head 4 to reciprocate;

the adjusting mechanism is connected with the reciprocating mechanism, and the adjusting mechanism drives the reciprocating mechanism to move along the axial direction of the output shaft 211, so that the distance between the cutter head 4 and the machine body 1 is adjusted.

Specifically, as shown in fig. 4, the planetary gear transmission mechanism further includes a planet carrier 24, and the planet carrier 24 is rotatably connected with the machine body 1, wherein the first planet gear 22 and the second planet gear 23 only rotate at the home position and cannot rotate around the sun gear 21.

Concretely, planetary gear drive still includes second planet wheel 23, second planet wheel 23 is connected with sun gear 21 and planet carrier 24 meshing respectively, reciprocating mechanism includes pivot 231, first helical gear 232, second helical gear 233 and coupling frame, second planet wheel 23 is worn to locate by the one end of pivot 231, first helical gear 232 is worn to locate by the other end, first helical gear 232 is connected with second helical gear 233 meshing, be equipped with projection 234 on the second helical gear 233, projection 234 butt in the coupling frame, and projection 234 supports tight cooperation with the coupling frame, the coupling frame can follow projection 234 and remove, coupling frame and sleeve 42 fixed connection, second planet wheel 23 rotates and drives second helical gear 233 and rotate, make the coupling frame drive output shaft 211 and blade disc 4 reciprocating motion.

Specifically, as shown in fig. 2, the planetary gear transmission mechanism further includes a planet carrier 24, the reciprocating mechanism further includes a sliding table 236, the first helical gear 232, the second helical gear 233 and the rotating shaft 231 are both fixedly connected to the sliding table 236, the adjusting mechanism includes a second motor 31, a lead screw 32 and a slider 33, the second motor 31 drives the lead screw 32 to rotate, the lead screw 32 is connected with the slider 33 in a matching manner, the slider 33 is connected with the planetary gear in a rotating manner, the second planetary gear 23 is connected with the sun gear 21 and the planet carrier 24 through a spline, the lead screw 32 is driven to rotate so that the slider 33 moves along the axial direction of the output shaft 211, so that the reciprocating mechanism drives the sliding table 236 and the cutter head 4 to move, thereby adjusting the distance from the cutter head 4 to the machine body 1.

Specifically, the machine body 1 is further provided with three supporting members 41, the sleeve 42 is connected with the cutter head 4 through the supporting members 41, and the three supporting members 41 are uniformly arranged on the sleeve 42 in a surrounding manner.

Specifically, a calandria 5 is further arranged in the machine body 1, an inlet of the calandria 5 is located behind the cutter head 4, namely, the inlet of the calandria 5 is located between the cutter head 4 and the machine body 1, and the other end of the calandria 5 is located outside the machine body 1.

It should be noted that the common mechanical parts such as the pump and the like required to be equipped with the discharge pipe 5 belong to the prior art, and are not described in detail herein.

The working principle of the application is as follows: when the work is needed, the first motor 221 is started, the first motor 221 drives the first planet wheel 22 to rotate, the first planet wheel 22 is meshed with the planet carrier 24 and the sun wheel 21, the first planet wheel 22 drives the planet carrier 24 and the sun wheel 21 to rotate, the sun wheel 21 and the first planet wheel 22 drive the second planet wheel 23 to rotate, the sun wheel 21 drives the output shaft 211 to rotate, since the output shaft 211 is connected to the cutter head 4 through the sleeve 42, the sleeve 42 is connected to the output shaft 211 through splines, therefore, the output shaft 211 drives the cutter head 4 to rotate, the second planet wheel 23 drives the rotating shaft 231 to drive the first bevel wheel 232 to rotate, the first bevel wheel 232 drives the second bevel wheel 233 and the convex column 234 thereon to rotate, so that the frame 235 makes reciprocating motion, and because the frame 235 is connected with the sleeve 42, the frame 235 can drive the sleeve 42 to move, and the sleeve 42 drives the cutter head 4 to reciprocate through the support 41, so that the cutter head 4 continuously reciprocates in the rotating process.

When the distance between the machine body 1 and the cutter head 4 needs to be adjusted to deal with different geology, a second motor 31 is started, the second motor 31 rotates forwards or backwards, the lead screw 32 drives the sliding block 33 to move leftwards or rightwards, the second planetary gear 23 and the rotating shaft 231 are driven to move, the second helical gear 233, the first helical gear 232 and the rotating shaft 231 are arranged on the sliding table 236, the sliding table 236 can move along with the sliding block 33, the limit moving distance between the reciprocating motion of the cutter head 4 and the machine body 1 is adjusted, enough space is reserved for discharging sand and soil, the cutter head 4 can push the soil and the sand to enter the discharge pipe 5 when being pushed backwards, and the discharge efficiency is improved.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a be used for novel planetary reducer on pipe push bench by motor drive which characterized in that: the cutter comprises a machine body and a cutter head, wherein a planetary gear transmission mechanism, a reciprocating mechanism and an adjusting mechanism are arranged in the machine body;

2. The novel planetary reducer driven by a motor and used on a push bench as claimed in claim 1, wherein: the planetary gear transmission mechanism further comprises a planet carrier, and the planet carrier is rotationally connected with the machine body.

3. The novel planetary reducer driven by a motor and used on a push bench as claimed in claim 1, wherein: planetary gear drive still includes the second planet wheel, reciprocating mechanism includes pivot, first helical gear, second helical gear and connection frame, the one end of pivot is worn to locate the second planet wheel, and the other end is worn to locate first helical gear, first helical gear with the meshing of second helical gear is connected, be equipped with the projection on the second helical gear, the projection butt in the connection frame, the connection frame with sleeve fixed connection, second planet wheel rotates and drives the second helical gear rotates, makes the connection frame drive the output shaft with blade disc reciprocating motion.

4. The novel planetary reducer driven by a motor and used on a push bench as claimed in claim 3, wherein: planetary gear drive still includes the planet carrier, reciprocating mechanism still includes the slip table, first helical gear the second helical gear with the equal fixed connection of pivot is in on the slip table, guiding mechanism includes second motor, lead screw and slider, second motor drive the lead screw rotates, the lead screw with the slider cooperation is connected, the slider with planetary gear rotates and connects, the second planet wheel pass through the spline with the sun gear with the planet carrier is connected, the lead screw rotates and drives make the slider is followed the axial displacement of output shaft makes reciprocating mechanism drives the slip table with the blade disc removes, thereby the adjustment the blade disc is apart from the distance of organism.

5. The novel planetary reducer driven by a motor and used on a push bench as claimed in claim 4, wherein: still be equipped with support piece in the organism, the sleeve passes through support piece with the blade disc is connected, support piece's quantity is three, and the even ring of three support piece is located on the sleeve.

6. The novel planetary reducer driven by a motor and used on a push bench according to any one of claims 1-5 is characterized in that: the rack is characterized in that a rack pipe is further arranged in the machine body, one end of the rack pipe is arranged behind the cutter head, and the other end of the rack pipe is arranged outside the machine body.