CN218916893U

CN218916893U - Pavement drilling core machine

Info

Publication number: CN218916893U
Application number: CN202223313681.6U
Authority: CN
Inventors: 李斌; 林杰煌
Original assignee: Fujian Huali Engineering Technology Co ltd
Current assignee: Fujian Huali Engineering Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-25
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to a sampling device technical field provides a road surface drilling core machine, which comprises a base, the guide pillar, the slider, the lead screw, hollow boring and drive arrangement, the guide pillar sets up on the frame along vertical direction, the slider cover is established and is slided on the guide pillar, the lead screw wears to establish and the spiro union is on the slider, hollow boring rotates to be connected on the slider, drive arrangement is used for driving hollow boring and rotates, still include ball bearing and healthy piece, ball bearing's outer loop sets up on the frame, healthy piece is along hollow boring lifting direction rigid coupling on hollow boring, the healthy groove has been seted up on ball bearing's the inner loop, healthy piece slides on the healthy groove, the length of healthy piece is greater than the length of healthy groove. The axial position stability of the core drill is improved.

Description

Pavement drilling core machine

Technical Field

The application relates to the technical field of sampling devices, in particular to a pavement drilling coring machine.

Background

The drilling core extractor mainly comprises two purposes, namely horizontal drilling, and is suitable for the operations of spike installation, road pile installation, bridge drilling and the like; and secondly, coring the pavement to perform a test for detecting the quality of the pavement.

In the prior art, as shown in the publication number of Chinese patent literature, CN2336094 is a drilling and coring machine, which comprises a machine base, wherein two guide posts and 3 wheels are arranged on the machine base, an upper beam is arranged on the guide posts, a sliding block is sleeved on the guide posts, a vertical engine, a main shaft seat and a cooling pump are arranged on the sliding block, the engine is connected with a hollow drill and the cooling pump through a belt, a screw rod is connected with the sliding block through a screw nut, a hand wheel is arranged on the screw rod, a scale is arranged on the upper beam, and an armrest with a traction hook is fixed on the machine base; the machine seat is fixedly provided with a front shaft bracket, wheels are arranged on the front shaft bracket, the upper part of the front shaft bracket is fixedly provided with a baffle block, the machine seat is provided with a lifting frame, the handle is movably sleeved on the lifting frame, and the lifting frame is provided with a bearing.

The engine drives the hollow drill and the cooling pump to rotate together through the belt. The handle is rotated to enable the screw rod to rotate and drive the sliding block to move up and down along the guide post. And (5) feeding up and down due to the rotation of the hollow drill, and completing sampling.

In the related art, since the strength of the pavement concrete is high, the reaction force of the concrete to the core drill is also high when the core drill and the concrete are in contact with each other, and the axial position of the core drill is unstable, so that improvement is required.

Disclosure of Invention

In order to improve stability of axial position of a core drill, the application provides a pavement drilling core machine.

The application provides a road surface drilling core machine adopts following technical scheme:

the utility model provides a road surface drilling core machine, including the frame, the guide pillar, the slider, the lead screw, hollow boring and drive arrangement, the guide pillar sets up on the frame along vertical direction, the slider cover is established and is slided on the guide pillar, the lead screw wears to establish and the spiro union is on the slider, hollow boring rotates and connects on the slider, drive arrangement is used for driving hollow boring and rotates, still include ball bearing and healthy piece, ball bearing's outer loop sets up on the frame, healthy piece is along hollow boring lifting direction rigid coupling on hollow boring, the healthy groove has been seted up on ball bearing's the inner loop, healthy piece slides on the healthy groove, the length of healthy piece is greater than the length of healthy groove.

Through adopting above-mentioned technical scheme, when drive arrangement drove the hollow drill and rotated, ball bearing's inner ring followed the hollow drill and rotated together, and ball bearing's outer loop can not follow the rotation. Under the cooperation of the key block and the key groove, the hollow drill can still ascend or descend while rotating, and the stability of the axial position of the hollow drill is improved.

Preferably, the ball bearing further comprises two supporting components, wherein the two supporting components are oppositely arranged on the machine base, and the outer ring of the ball bearing is detachably arranged on the supporting components.

By adopting the technical scheme, the supporting component is used for supporting the ball bearing.

Preferably, the supporting component comprises a supporting seat and clamping jaws, the supporting seat is fixed on the machine base, the clamping jaws are slidingly adjusted on the supporting seat, and the clamping jaws move along the direction approaching or separating from the hollow drill; the clamping jaw is provided with a first strip-shaped hole along the sliding direction of the clamping jaw, and the clamping jaw passes through the first strip-shaped hole through a fastener to be locked on the supporting seat; and clamping grooves are formed in one sides of the two clamping jaws, facing the hollow drill, of the two clamping jaws, and the outer ring of the ball bearing is clamped on the clamping grooves.

Through adopting above-mentioned technical scheme, when ball bearing cover was established on the core drill, remove the clamping jaw along the direction that is close to the core drill to with ball bearing joint on the draw-in groove, then reuse the fastener to pass first bar hole with the clamping jaw locking on the supporting seat, realize supporting ball bearing.

Preferably, the hollow drill further comprises a pushing assembly, and the pushing assembly is mounted on the hollow drill.

Through adopting above-mentioned technical scheme, after the hollow bores the material of accomplishing to the concrete, the concrete piece can block in the hollow bores, and the pushing component can make things convenient for personnel to push out the concrete in the hollow bores.

Preferably, the pushing assembly comprises a cross rod and a vertical rod, two second strip-shaped holes are formed in the surface of the hollow drill along the vertical direction, two ends of the cross rod are respectively slidably adjusted on the two second strip-shaped holes, and one end of the vertical rod is fixedly connected to the cross rod.

Through adopting above-mentioned technical scheme, when needs carry out the blevile of push to the concrete piece, personnel can be simultaneously to the both ends application of force of horizontal pole, let the horizontal pole along the vertical downwardly moving in second bar hole, and then drive the montant and push out the concrete piece.

Preferably, the device further comprises a reset spring, one end of the reset spring is connected to the center of the top of the hollow drill, and the other end of the reset spring is connected to the cross rod.

Through adopting above-mentioned technical scheme, when exerting external force to the horizontal pole, reset spring receives the pulling force and is stretched, and after the concrete block was released and is removed external force, the horizontal pole of being convenient for resumes initial position automatically.

Preferably, the water mist sprayer is arranged on the machine base and faces the hollow drill.

Through adopting above-mentioned technical scheme, can produce more heat when the hollow drill rubs with the road surface, water smoke shower nozzle can cool down the hollow drill, and the water smoke still plays the effect of dust fall simultaneously.

Preferably, the device further comprises a servo motor and a pressure sensor, wherein the servo motor is used for driving the screw rod to rotate, the pressure sensor is arranged on the hollow drill, and the pressure sensor is connected with the servo motor.

Through adopting above-mentioned technical scheme, traditional drilling core machine adopts the manual drive core drill to go up and down generally, judges the lifting speed by the manual work. The drilling pressure is transmitted to the servo motor by using the pressure sensor, so that the servo motor can adjust the power in real time.

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

(1) By arranging the ball bearing, the inner ring of the ball bearing rotates along with the hollow drill, the outer ring of the ball bearing cannot rotate along with the hollow drill, and meanwhile, the normal lifting of the hollow drill is not influenced, so that the stability of the axial position of the hollow drill is improved;

(2) The ball bearing is supported by the supporting component through the supporting component;

(3) Through setting up the pushing component, the pushing component can make things convenient for personnel to push out the concrete in the core drill.

Drawings

FIG. 1 is a schematic view of the structure of a pavement coring machine in this embodiment;

FIG. 2 is a schematic view of a partial structure of the pavement coring machine in the present embodiment;

FIG. 3 is a schematic view of the structure of the hollow drill and bearing of the present embodiment;

fig. 4 is a schematic cross-sectional view of the hollow drill of this embodiment.

Reference numerals: 1. a base; 2. a guide post; 3. a slide block; 4. a screw rod; 5. a hollow drill; 6. a driving device; 7. a servo motor; 8. a pressure sensor; 9. a ball bearing; 10. building blocks; 11. a sound groove; 12. a support assembly; 121. a support base; 122. a clamping jaw; 13. a first bar-shaped hole; 14. a fastener; 15. a clamping groove; 16. a water mist spray head; 17. a pushing component; 171. a cross bar; 172. a vertical rod; 18. a return spring; 19. and a second bar-shaped hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a pavement drilling core machine. Referring to fig. 1 and 2, the pavement hole drilling and coring machine comprises a machine base 1, a guide post 2, a sliding block 3, a screw rod 4, a hollow drill 5 and a driving device 6. The guide posts 2 are fixedly connected to the machine base 1 along the vertical direction, two guide posts 2 are arranged in parallel, and the sliding blocks 3 are sleeved and slide on the guide posts 2. The screw rod 4 is arranged in the vertical direction, the screw rod 4 is penetrated and connected on the sliding block 3 in a threaded manner, and one end of the screw rod 4 is rotationally connected on the machine base 1 through the servo motor 7. The hollow drill 5 is cylindrical and is rotationally connected to the sliding block 3, the rotation axis of the hollow drill 5 is along the vertical direction, and the driving device 6 is used for driving the hollow drill 5 to rotate. The end of the hollow drill 5, which is close to the ground, is provided with a pressure sensor 8, and the pressure sensor 8 is communicated with a servo motor 7.

The conventional core drilling machine generally adopts a manual mode to drive the hollow drill 5 to ascend or descend, and the ascending and descending speed is judged subjectively by the manual mode. Under the induction of the pressure sensor 8, the pressure sensor 8 transmits the drilling pressure to the servo motor 7, so that the servo motor 7 can adjust the power in real time, and the automatic lifting of the hollow drill 5 is realized.

Referring to fig. 3, a ball bearing 9 and a supporting component 12 are arranged on the stand 1, an inner ring of the ball bearing 9 is sleeved on the hollow drill 5, two groups of supporting components 12 are oppositely arranged, and the two supporting components 12 are used for supporting the ball bearing 9. Wherein, the inner ring of the ball bearing 9 is provided with a sound groove 11, and the sound groove 11 is arranged along the vertical direction; the peripheral side rigid coupling of core drill 5 has a healthy piece 10, and healthy piece 10 sets up along vertical direction, and the length of healthy piece 10 is greater than the length of healthy groove 11, and healthy piece 10 slides on healthy groove 11.

When the driving device 6 drives the core drill 5 to rotate, the inner ring of the ball bearing 9 rotates along with the core drill 5, and the outer ring of the ball bearing 9 does not rotate along with the core drill 5. Under the cooperation of the health block 10 and the health groove 11, the hollow drill 5 can still ascend or descend while rotating, and the ball bearing 9 plays a limiting role on the horizontal position of the hollow drill 5, so that the stability of the axial position of the hollow drill 5 is improved.

The support assembly 12 comprises a support base 121 and clamping jaws 122, the support base 121 is fixed at the bottom of the machine base 1, the clamping jaws 122 are slidingly adjusted on the support base 121 along the horizontal direction, and the clamping jaws 122 move along the direction approaching or separating from the hollow drill 5. The clamping jaw 122 is provided with a first strip-shaped hole 13 along the sliding direction of the clamping jaw 122, and the clamping jaw 122 is locked on the supporting seat 121 through the fastener 14 passing through the first strip-shaped hole 13. The clamping grooves 15 are formed in one sides of the two clamping jaws 122 facing the hollow drill 5, the clamping grooves 15 are arc-shaped, and the outer ring of the ball bearing 9 is clamped on the clamping grooves 15. The fastening member 14 is a detachable member such as a fastening bolt or a fastening screw.

When the ball bearing 9 is sleeved on the core drill 5, the clamping jaw 122 is moved along the direction close to the core drill 5 so as to clamp the ball bearing 9 on the clamping groove 15, and then the clamping jaw 122 is locked on the supporting seat 121 by penetrating the first strip-shaped hole 13 through the fastener 14, so that the ball bearing 9 is supported.

The base 1 is provided with a water mist nozzle 16, and the water mist nozzle 16 is close to the lower end of the hollow drill 5 and faces the hollow drill 5. When the hollow drill 5 rubs with the road surface, more heat can be generated, the water mist spray head 16 can cool the hollow drill 5, and the service life of the hollow drill 5 is prolonged. Meanwhile, the water mist also has the effect of dust fall, and reduces the influence on the surrounding environment and personnel.

Referring to fig. 4, the hollow drill 5 is further provided with a pushing component 17, when the hollow drill 5 finishes taking concrete, concrete blocks can be clamped in the hollow drill 5, and the pushing component 17 can facilitate personnel to push out the concrete in the hollow drill 5. The pushing assembly 17 includes a cross bar 171 and a vertical bar 172, the cross bar 171 being perpendicular and passing through the central axis of the core drill 5. Two second strip-shaped holes 19 are formed in the surface of the hollow drill 5 along the vertical direction, and two ends of the cross rod 171 are respectively slidably adjusted on the two second strip-shaped holes 19. The vertical rod 172 is disposed in a vertical direction and one end is fixedly connected to the middle point of the horizontal rod 171.

A return spring 18 is also installed in the core drill 5, the elastic force of the return spring 18 is along the vertical direction, one end of the return spring 18 is connected to the center of the top of the core drill 5, and the other end is connected to the cross rod 171.

When the concrete block needs to be pushed, a person can apply force to the two ends of the transverse rod 171 at the same time, so that the transverse rod 171 moves vertically downwards along the second strip-shaped hole 19, and meanwhile, the return spring 18 is stretched under the tensile force, and the transverse rod 171 drives the vertical rod 172 to push out the concrete block. Then, the external force applied to the crossbar 171 is removed, so that the crossbar 171 automatically returns to the original position under the elastic restoring force of the return spring 18.

The implementation principle of the pavement drilling coring machine provided by the embodiment of the application is as follows: the ball bearing 9 is sleeved on the hollow drill 5, then the clamping jaw 122 is controlled to move along the direction close to the hollow drill 5, so that the ball bearing 9 is supported, and the stability of the axial position of the hollow drill 5 is improved. Then the driving device 6 controls the hollow drill 5 to rotate, and meanwhile, the driving motor drives the hollow drill 5 to gradually approach the ground for taking materials, and the water mist nozzle 16 cools the hollow drill 5 in the taking process. After the material is taken, a vertical downward force is applied to the two ends of the transverse rod 171, so that the vertical rod 172 is driven to push out the concrete blocks from the core drill 5, and the material is discharged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a road surface drilling core machine, including frame (1), guide pillar (2), slider (3), lead screw (4), core drill (5) and drive arrangement (6), guide pillar (2) set up on frame (1) along vertical direction, slider (3) cover is established and is slided on guide pillar (2), lead screw (4) are worn to establish and the spiro union is on slider (3), core drill (5) rotate and connect on slider (3), drive arrangement (6) are used for driving core drill (5) and rotate, a serial communication port, still include ball bearing (9) and healthy piece (10), the outer loop setting of ball bearing (9) is on frame (1), healthy piece (10) are along core drill (5) lifting direction rigid coupling on core drill (5), healthy groove (11) have been seted up on the inner loop of ball bearing (9), healthy piece (10) are slided on healthy groove (11), the length of healthy piece (10) is greater than the length of healthy groove (11).

2. A pavement-boring coring machine according to claim 1, further comprising support members (12), wherein the support members (12) are provided in two sets, the two support members (12) being disposed opposite each other on the housing (1), and an outer ring of the ball bearing (9) being detachably disposed on the support members (12).

3. A machine as claimed in claim 2, wherein the support assembly (12) comprises a support seat (121) and a jaw (122), the support seat (121) being fixed to the frame (1), the jaw (122) being slidingly adjusted on the support seat (121), the jaw (122) being movable in a direction approaching or moving away from the core drill (5); a first strip-shaped hole (13) is formed in the clamping jaw (122) along the sliding direction of the clamping jaw (122), and the clamping jaw (122) passes through the first strip-shaped hole (13) through a fastener (14) to be locked on the supporting seat (121); clamping grooves (15) are formed in one sides of the two clamping jaws (122) facing the hollow drill (5), and the outer ring of the ball bearing (9) is clamped on the clamping grooves (15).

4. A pavement-boring coring machine as set forth in claim 1, further comprising a pushing assembly (17), the pushing assembly (17) being mounted on the core drill (5).

5. The pavement-drilling coring machine according to claim 4, wherein the pushing assembly (17) comprises a cross rod (171) and a vertical rod (172), two second strip-shaped holes (19) are formed in the surface of the hollow drill (5) along the vertical direction, two ends of the cross rod (171) are respectively slidably adjusted on the two second strip-shaped holes (19), and one end of the vertical rod (172) is fixedly connected to the cross rod (171).

6. A pavement-boring coring machine according to claim 5, further comprising a return spring (18), wherein one end of the return spring (18) is connected to a top center position of the core drill (5), and the other end of the return spring (18) is connected to the cross bar (171).

7. A machine as claimed in claim 1, further comprising a water mist head (16), the water mist head (16) being mounted on the frame (1) and facing the core drill (5).

8. A pavement-boring coring machine according to claim 1, further comprising a servo motor (7) and a pressure sensor (8), wherein the servo motor (7) is used for driving the screw rod (4) to rotate, the pressure sensor (8) is mounted on the core drill (5), and the pressure sensor (8) is connected with the servo motor (7).