CN214538661U

CN214538661U - Core drilling machine for cement stabilized macadam base

Info

Publication number: CN214538661U
Application number: CN202120857779.4U
Authority: CN
Inventors: 董书明
Original assignee: Sichuan Tonglan Construction Group Co ltd
Current assignee: Sichuan Tonglan Construction Group Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-10-29
Anticipated expiration: 2031-04-24

Abstract

The application relates to a core machine is got in drilling of rubble basic unit is stabilized to cement, it includes base and support frame, it is provided with the lift tray to slide along perpendicular base direction on the support frame, is provided with a drill section of thick bamboo on the lift tray and is used for driving drill section of thick bamboo pivoted driving source, it is provided with the carousel to rotate on the lift tray, carousel and the coaxial fixed connection of a drill section of thick bamboo, be close to the one end of carousel on the drill section of thick bamboo and seted up first liftout hole, the axial slip along the drill section of thick bamboo in the first liftout hole of a drill section of thick bamboo is provided with first liftout pole. This application has the core appearance and takes out convenient effect.

Description

Core drilling machine for cement stabilized macadam base

Technical Field

The application relates to the field of detection equipment, especially, relate to a core machine is got in drilling of rubble basic unit is stabilized to cement.

Background

The core drilling machine for the cement stabilized macadam base layer is used for intercepting a core sample inside the cement stabilized macadam base layer. When the quality of the cement stabilized macadam foundation is identified, a core sample is detected and identified by adopting a core taking mode generally, so that the quality identification of the cement stabilized macadam foundation is realized.

Patent document with publication number CN212389294U discloses a core drilling machine, which comprises a supporting frame, a vertical shaft rotatably arranged on the supporting frame, and an engine for driving the vertical shaft to rotate, wherein a chuck is coaxially arranged on the vertical shaft, a detachable core-taking drill bit is arranged on the chuck, the supporting frame comprises a guide pillar, a vertical base of the guide pillar in the length direction, a lifting device comprises a lifting tray, a wheel disc and a lead screw, the lifting guide rod is arranged on the guide pillar in a sliding manner along the direction of the vertical base, the wheel disc is coaxially welded with the lead screw, the lead screw is parallel to the guide pillar, the lead screw is rotatably connected with a lifting push disc, the vertical shaft and the engine are arranged on the lifting tray, and the vertical shaft is connected with the engine through a belt.

When the core is taken in the drilling, the engine is started, the engine drives the vertical shaft to rotate, so that the core taking drill bit is driven to rotate, and the manual rotating wheel disc drives the core taking drill bit to descend to start the core taking in the drilling. And after coring, lifting the coring bit, and after the coring bit is completely lifted, closing the engine, taking out a core sample in the coring bit, and finishing coring.

The related art has the defects that the core sample is easy to be blocked in the core bit during coring, and the core sample is very inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

In order to solve the easy card of core appearance and make the core appearance take out inconvenient problem in the drill bit, this application provides a rubble basic unit drilling core machine is stabilized to cement.

The application provides a pair of core machine is got in drilling of cement stabilized macadam basic unit adopts following technical scheme:

the utility model provides a core machine is got in drilling of rubble basic unit is stabilized to cement, includes base and support frame, it is provided with the lift tray to slide along perpendicular base direction on the support frame, is provided with on the lift tray and bores a section of thick bamboo and be used for driving and bores a section of thick bamboo pivoted driving source, it is provided with the carousel to rotate on the lift tray, carousel and the coaxial fixed connection of a section of thick bamboo that bores, the one end that is close to the carousel on the drill section of thick bamboo has seted up first liftout hole, it is provided with first liftout pole to bore the downthehole axial slip of an liftout of section of thick bamboo along the drill section of thick bamboo.

Through adopting above-mentioned technical scheme, when drilling, start driving source drive carousel and rotate, and control lift tray is to being close to the motion of base direction, the carousel drives the drill barrel and rotates and carry out drilling, bore in the core appearance can get into the drill barrel, after the drilling is accomplished, the base direction motion is upwards kept away from to control lift tray, make the drill barrel break away from the core hole, at coring in-process, if the core phenomenon appears, push away through promoting the core appearance of first ejector pin in to the rotary drum, can release the core appearance of card in the drill barrel, coring process convenient and fast.

Optionally, a material ejecting groove is formed in the inner side wall of the drill barrel along the axial direction perpendicular to the drill barrel, a material ejecting block is slidably arranged in the material ejecting groove of the drill barrel, and a driving piece used for driving the material ejecting block to move towards the direction of the bottom wall far away from the material ejecting groove is arranged in the drill barrel.

By adopting the technical scheme, in the process of drilling and coring, the core is blocked, and the core sample and the drill barrel are too loose, so that the core sample is separated from the drill barrel and remains in the core hole in the process of extracting the drill barrel, and is inconvenient for later-period workers to take out; through the cooperation of the ejector block and the driving piece, the core sample in the drill cylinder is propped tightly by the ejector block in the extraction process of the drill cylinder, so that the core sample can be conveniently separated from the core hole.

Optionally, the driving piece includes second ejector pin, the second ejector pin that communicates with the liftout groove is seted up along the axial of the drill barrel to the roof of drill barrel, second ejector pin wear to locate second ejector pin hole and with drill barrel sliding connection, the one end slope that is close to the ejector block on the second ejector pin sets up, the lateral wall that is close to the second ejector pin on the ejector block is offered and is used for supplying second ejector pin male to lead the inclined plane.

Through adopting above-mentioned technical scheme, when supporting tightly to the core appearance, only need make second liftout pole insert in the slope that leads of liftout piece through pressing down the second liftout pole, can make the liftout piece to liftout groove outside motion through leading the slope, support tightly to the core appearance, it is simple and convenient to operate.

Optionally, a limiting member for limiting the sliding of the second ejector rod is arranged on the drill cylinder.

Through adopting above-mentioned technical scheme, the liftout piece is supporting tight back to the core appearance, and through locating part restriction second liftout pole slip, prevent to a certain extent that the second liftout pole breaks away from with the inclined plane of leading of liftout piece, lead to the liftout piece can't realize the centre gripping to the core appearance.

Optionally, the limiting part comprises a limiting block, the limiting block is rotatably arranged on the top wall of the drill barrel, a fixing block is fixedly arranged on the side wall of the second ejector rod, and a limiting groove is formed in the side wall of the limiting block along the axial direction of the second ejector rod.

Through adopting above-mentioned technical scheme, the liftout piece is supporting tight back to the core appearance, makes second liftout pole get into the spacing inslot of stopper through rotating the stopper to support tightly through fixed block and stopper, thereby the slip of restriction liftout pole.

Optionally, an elastic member for driving the ejector block to move towards the direction close to the bottom wall of the ejector groove is arranged in the ejector groove.

Through adopting above-mentioned technical scheme, the drill barrel is at the drilling in-process, and the liftout piece can contract in the liftout groove through the elastic force effect of elastic component, prevents to a certain extent that the liftout piece from being worn and torn.

Optionally, a pneumatic cylinder is fixedly arranged on the rotary table, and a piston rod of the pneumatic cylinder is fixedly connected with the first material ejecting rod.

Through adopting above-mentioned technical scheme, when the card core condition appeared in the brill section of thick bamboo, the piston rod that can directly pass through the pneumatic cylinder promotes first liftout pole and pushes out the core appearance, reduces workman's fatigue degree to the pneumatic cylinder is fixed to be set up on the carousel, and when brill section of thick bamboo during operation, the pneumatic cylinder rotates along with the carousel, does not influence the normal work of boring a section of thick bamboo.

Optionally, the lifting tray is communicated with a water guide pipe, the base is provided with a water tank, and the water guide pipe is communicated with the water tank.

Through adopting above-mentioned technical scheme, bore a section of thick bamboo and drilling in-process, can produce a large amount of heats with cement or rubble friction, when getting the core, scald the workman easily, be convenient for cool down to boring a section of thick bamboo through the aqueduct, prevent to a certain extent that the workman is scalded.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during drilling, a driving source is started to drive the rotary table to rotate, the lifting tray is controlled to move towards the direction close to the base, the rotary table drives the drill cylinder to rotate and drill, a drilled core sample can enter the drill cylinder, after the drilling is finished, the lifting tray is controlled to move upwards and away from the base, the drill cylinder is separated from a core hole, if a core clamping phenomenon occurs in the coring process, the core sample clamped in the drill cylinder can be pushed out by pushing the first ejector rod to push the core sample in the rotary cylinder, and the coring process is convenient and rapid;

2. in the process of drilling and coring, the core is blocked, and the core sample and the drill barrel are too loose, so that the core sample is separated from the drill barrel and remains in the core hole in the process of extracting the drill barrel, and the core sample is inconvenient for workers to take out in the later period; through the matching of the ejector block and the driving piece, the core sample in the drill cylinder is tightly propped by the ejector block in the extraction process of the drill cylinder, so that the core sample can be conveniently separated from the core hole;

3. the ejector block limits the second ejector rod to slide after abutting against the core sample through the limiting block, and prevents the second ejector rod from being separated from the guide inclined plane of the ejector block to a certain extent, so that the ejector block cannot clamp the core sample.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a partial schematic structural diagram of an embodiment of the present application, which is mainly used for expressing a structural diagram of a connection relationship between a lifting tray and a drill barrel;

FIG. 4 is a cross-sectional view of a drill barrel in an embodiment of the present application;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a cross-sectional view of a drill barrel in an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a roller frame; 12. a handle; 13. a working hole; 14. a water tank; 141. a water conduit; 2. a support frame; 21. a chute; 22. a lead screw; 23. a first motor; 24. a slider; 3. lifting the tray; 31. a first mounting groove; 32. a turntable; 321. a second mounting groove; 322. a pneumatic cylinder; 33. a second motor; 4. drilling a barrel; 41. a connecting rod; 411. mounting a plate; 42. a first ejection hole; 421. a first ejector pin; 422. a material ejecting plate; 43. a material ejecting groove; 431. a material ejection block; 4311. a guide slope; 432. a spring; 44. a second ejector pin; 441. a fixed block; 45. a second ejection hole; 46. a limiting block; 461. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses core machine is got in drilling of rubble basic unit is stabilized to cement. Referring to fig. 1, a core drilling machine for cement stabilized macadam base course comprises a base 1 and a support frame 2 arranged on the base 1, wherein roller frames 11 are welded on four corners of the bottom wall of the base 1 and located on the base 1, rollers are mounted on the roller frames 11, a handle 12 is welded on the base 1, and a working hole 13 is formed in the top wall of the base 1 in the direction perpendicular to the base 1.

Referring to fig. 1, a lifting tray 3 is slidably arranged on a support frame 2 along a direction perpendicular to a base 1, a water through hole is formed in the top wall of the lifting tray 3 along the direction perpendicular to the base 1, a water guide pipe 141 is communicated in the water through hole of the lifting tray 3, a water tank 14 is placed on the base 1, and the water guide pipe 141 is communicated with the water tank 14.

Referring to fig. 1, 2, spout 21 has been seted up along perpendicular base 1 direction to the lateral wall of support frame 2, be provided with lead screw 22 in the spout 21 of support frame 2, lead screw 22's length direction perpendicular to base 1, lead screw 22 rotates with the support column to be connected, be provided with on the support frame 2 and be used for driving lead screw 22 pivoted first motor 23, first motor 23 welds the roof at support frame 2, the output shaft and the coaxial welding of lead screw 22 of motor, it is provided with slider 24 to slide in the spout 21 of support frame 2, threaded hole has been seted up respectively along perpendicular base 1 direction on the slider 24, lead screw 22 wears to locate the threaded hole and rotates with slider 24 to be connected, slider 24 welds with lift tray 3.

Referring to fig. 1 and 3, a first mounting groove 31 is formed in the lifting tray 3 along a direction perpendicular to the base 1, a rotary table 32 is rotatably arranged in the first mounting groove 31 of the lifting tray 3, the rotary table 32 is rotatably connected with the lifting tray 3, a driving source for driving the rotary table 32 to rotate is arranged on the lifting tray 3, the driving source is a second motor 33, the second motor 33 is welded to the lifting tray 3, and an output shaft of the second motor 33 is coaxially welded to the rotary table 32.

Referring to fig. 3, a drill barrel 4 is detachably mounted on the rotary table 32, a connecting rod 41 is coaxially welded to the top wall of the drill barrel 4, a mounting plate 411 is coaxially welded to one end, far away from the drill barrel 4, of the connecting rod 41, a second mounting groove 321 is formed in the bottom wall of the rotary table 32 along the axial direction of the rotary table 32, and the mounting plate 411 is placed in the second mounting groove 321 of the rotary table 32 and fixed through bolts.

Referring to fig. 3 and 4, a first material ejecting hole 42 is formed in the top wall of the drill cylinder 4 along the axial direction of the drill cylinder 4, a first material ejecting rod 421 is slidably arranged in the first material ejecting hole 42 of the drill cylinder 4, a material ejecting plate 422 is slidably arranged in the drill cylinder 4 along the axial direction of the drill cylinder 4, the first material ejecting rod 421 is welded with the material ejecting plate 422, a pneumatic cylinder 322 is welded on the rotary table 32, and a piston rod of the pneumatic cylinder 322 is coaxially welded with the first material ejecting rod 421; in the coring process, if the core clamping phenomenon occurs, the core sample clamped in the drill barrel 4 can be pushed out by pushing the first ejector pin 421 to push the core sample in the rotary barrel.

Referring to fig. 5, a liftout groove 43 is formed in the inner wall of the drill barrel 4 along the axial direction perpendicular to the drill barrel 4, a liftout block 431 is slidably arranged in the liftout groove 43 of the drill barrel 4, a guide inclined surface 4311 is formed in one end, close to the liftout groove 43, of the liftout block 431 on the base 1, the transverse width of the liftout block 431 is gradually increased from the top end to the bottom end of the drill barrel 4, and a driving piece for driving the liftout block 431 to move in the direction away from the liftout groove 43 is arranged in the drill barrel 4.

Referring to fig. 5, the driving member is a second ejector rod 44, a second ejector hole 45 communicated with the ejector groove 43 is formed in the top wall of the drill barrel 4 along the axial direction of the drill barrel 4, the second ejector rod 44 penetrates through the second ejector hole 45 and is rotatably connected with the drill barrel 4, one end, close to the ejector block 431, of the second ejector rod 44 is obliquely arranged, and the second ejector rod 44 abuts against the inclined guide surface 4311 of the ejector block 431.

In the process of drilling and coring, the core is blocked, and the core sample and the drill barrel 4 are too loose, so that the core sample is separated from the drill barrel 4 and remains in a core hole in the process of extracting the drill barrel 4, and is inconvenient for workers to take out in the later period; through the matching of the ejector block 431 and the second ejector rod 44, the core sample in the drill barrel 4 is tightly propped by the ejector block 431 during the extraction process of the drill barrel 4, so that the core sample can be conveniently separated from the core hole.

Referring to fig. 5, an elastic member for driving the ejector block 431 to move towards the direction close to the bottom wall of the ejector groove 43 is arranged in the ejector groove 43, the elastic member is a spring 432, one end of the spring 432 is welded with the bottom wall of the ejector groove 43, and the other end is welded with the ejector block 431; during the drilling process of the drill barrel 4, the ejection block 431 can be retracted in the ejection groove 43 through the elastic force of the spring 432, and the ejection block 431 is prevented from being abraded to a certain extent.

Referring to fig. 6, the drill barrel 4 is provided with a limiting member for limiting the sliding of the second ejector pin 44, the limiting member is a limiting block 46, the limiting block 46 is rotatably connected with the top wall of the drill barrel 4, a fixing block 441 is welded on the second ejector pin 44 and on the side wall outside the drill barrel 4, and a limiting groove 461 for allowing the second ejector pin 44 to slide into is formed in the side wall of the limiting block 46 along the axial direction of the second ejector pin 44.

After the core sample is tightly supported by the ejector block 431, the limiting block 46 is rotated to enable the fixing block 441 on the second ejector rod 44 to be clamped between the top wall of the drill cylinder 4 and the limiting block 46, so that the sliding of the second ejector rod 44 is limited, and the second ejector rod 44 is prevented from being separated from the inclined guide surface 4311 of the ejector block 431 to a certain extent, so that the core sample cannot be clamped by the ejector block 431.

The implementation principle of this application embodiment a drilling core machine of rubble basic unit is stabilized to cement does: during drilling, the second motor 33 is started to drive the rotary table 32 to rotate, the first motor 23 is started to control the lifting tray 3 to move towards the direction close to the base 1, the water guide pipe 141 cools the drill cylinder 4, the rotary table 32 drives the drill cylinder 4 to rotate and drill, and a core sample can enter the drill cylinder 4.

After drilling is completed, the second ejector rod 44 is pushed to drive the ejector block 431 to clamp the core sample, the limiting block 46 is rotated to clamp the second ejector rod 44, the second motor 33 is driven to rotate reversely and control the lifting tray 3 to move upwards in the direction away from the base 1, so that the drill cylinder 4 and the core sample in the drill cylinder 4 are separated from the core hole, after the drill cylinder 4 is separated from the core hole, the limiting block 46 is rotated to push the second ejector rod 44 to slide upwards, the core sample is separated from the drill cylinder 4, and then the core sample can be taken out.

In the coring process, if the core clamping phenomenon occurs, the pneumatic cylinder 322 is started to enable the piston rod of the pneumatic cylinder 322 to push the first ejector rod 421 to slide towards the inside of the drill cylinder 4, the core sample in the drill cylinder 4 is squeezed and pushed, the core sample clamped in the drill cylinder 4 can be pushed out, and the coring process is convenient and fast.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a core machine is got in drilling of rubble basic unit is stabilized to cement, includes base (1) and support frame (2), it is provided with lift tray (3) to slide along perpendicular base (1) direction on support frame (2), is provided with on lift tray (3) and bores a section of thick bamboo (4) and be used for the drive to bore a section of thick bamboo (4) pivoted driving source, its characterized in that: the lifting tray (3) is provided with a rotary table (32) in a rotating mode, the rotary table (32) is fixedly connected with the drill barrel (4) in a coaxial mode, one end, close to the rotary table (32), of the drill barrel (4) is provided with a first material ejecting hole (42), and a first material ejecting rod (421) is arranged in the first material ejecting hole (42) of the drill barrel (4) in a sliding mode along the axial direction of the drill barrel (4).

2. The cement stabilized macadam foundation drilling and core-pulling machine as recited in claim 1, wherein: the inner side wall of the drill barrel (4) is provided with a material ejecting groove (43) along the axial direction perpendicular to the drill barrel (4), a material ejecting block (431) is arranged in the material ejecting groove (43) of the drill barrel (4) in a sliding mode, and a driving piece used for driving the material ejecting block (431) to move towards the direction of the bottom wall far away from the material ejecting groove (43) is arranged in the drill barrel (4).

3. The cement stabilized macadam foundation drilling and core-drilling machine as recited in claim 2, characterized in that: the driving piece comprises a second ejector rod (44), a second ejector hole (45) communicated with the ejector groove (43) is formed in the top wall of the drill barrel (4) along the axial direction of the drill barrel (4), the second ejector rod (44) penetrates through the second ejector hole (45) and is in sliding connection with the drill barrel (4), one end, close to the ejector block (431), of the second ejector rod (44) is obliquely arranged, and a guide inclined plane (4311) used for inserting the second ejector rod (44) is formed in the side wall, close to the second ejector rod (44), of the ejector block (431).

4. The cement stabilized macadam foundation drilling and core-pulling machine as recited in claim 3, wherein: and a limiting piece for limiting the sliding of the second ejector rod (44) is arranged on the drill barrel (4).

5. The cement stabilized macadam foundation drilling and core-pulling machine as recited in claim 4, wherein: the locating part includes stopper (46), stopper (46) rotate the roof that sets up at a brill section of thick bamboo (4), the fixed block (441) that is provided with of lateral wall of second ejector beam (44), spacing groove (461) has been seted up along the axial of second ejector beam (44) to the lateral wall of stopper (46).

6. The cement stabilized macadam foundation drilling and core-pulling machine as recited in claim 5, wherein: an elastic piece for driving the ejector block (431) to move towards the direction close to the bottom wall of the ejector groove (43) is arranged in the ejector groove (43).

7. The core drilling and coring machine for cement stabilized macadam base courses according to claim 1, characterized in that a pneumatic cylinder (322) is fixedly arranged on the rotary table (32), and a piston rod of the pneumatic cylinder (322) is fixedly connected with the first ejector rod (421).

8. The cement stabilized macadam foundation drilling and core-pulling machine as recited in claim 1, wherein: the lifting tray (3) is communicated with a water guide pipe (141), the base (1) is provided with a water tank (14), and the water guide pipe (141) is communicated with the water tank (14).