CN214584174U

CN214584174U - A bore core device for detecting concrete intensity

Info

Publication number: CN214584174U
Application number: CN202120498434.4U
Authority: CN
Inventors: 郑绍永; 陈聪
Original assignee: Guangdong Huijian Testing And Appraisal Co ltd
Current assignee: Guangdong Huijian Testing And Appraisal Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-02
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a bore core device for detecting concrete strength, comprising a base plate, the intermediate position of bottom plate up end is provided with the through-hole, the equal fixed mounting in four end angles of terminal surface has the bracing piece under the bottom plate, the top cover of bracing piece is equipped with the spring, the top of spring is provided with the limiting plate, the below cover of bracing piece surface is equipped with the shock attenuation cover, the inside of shock attenuation cover is provided with the shock attenuation gasket, the universal wheel that can stop is installed to the lower terminal surface of bracing piece, the both sides fixed mounting of bottom plate up end has the riser, the roof is installed to the up end of riser, the both sides fixed mounting of roof up end has motor A, motor A's below is provided with the threaded rod, the lower terminal surface cover of threaded rod is equipped with the bearing plate, the surface cover of threaded rod is equipped with the thread piece. The utility model discloses the shock attenuation is effectual, and is convenient for take out the core appearance, has guaranteed measuring result.

Description

A bore core device for detecting concrete intensity

Technical Field

The utility model relates to a concrete detection equipment technical field specifically is a bore core device for detecting concrete intensity.

Background

With the rapid development of social economy, detection is needed after the building or road repair is finished, core drilling and sampling are the most common method, and a cylindrical core sample is drilled on structural concrete for detection test by using a special drilling machine and an artificial diamond hollow thin-wall drill bit. The purpose of the test is to detect the thickness, compressive strength, integrity and compactness of the road, as well as the strength of the concrete, the structural concrete freezing, the depth of fire damage, concrete joints, the quality condition of the layering part, the depth of concrete cracks, segregation, holes and grading for identifying broken stones. The core drilling method is visual, accurate and reliable, and is an effective method which can not be replaced by other nondestructive testing.

However, the existing core drilling device can vibrate during sampling, the service life of the device is influenced, and after sampling is finished, an awl needs to be embedded into a gap between a core sample and a component, the awl is knocked down, the core sample is broken, and then the core sample is taken out, so that the core sample body can be damaged, the compression strength result of the core sample is influenced, and even the drilled core sample is broken from the middle, and the length requirement of pressure testing cannot be met; thus, the existing requirements are not met, for which we propose a core device for detecting concrete strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bore core device for detecting concrete intensity to solve the current bore core device that proposes in the above-mentioned background art and can shake producing when the sample, influence the life-span of device, and accomplish the back at the sample, need use awl embedding core appearance and component gap, the assault awl, lead to the core appearance fracture, then take out the core appearance, lead to the core appearance body can receive destruction, influence core appearance compressive strength result, the core appearance that leads to boring even breaks off from the centre, can't reach the length requirement scheduling problem of pressure testing.

In order to achieve the above object, the utility model provides a following technical scheme: a drill core device for detecting concrete strength comprises a bottom plate, wherein a through hole is formed in the middle of the upper end face of the bottom plate, supporting rods are fixedly mounted at four end corners of the lower end face of the bottom plate, springs are sleeved above the supporting rods, limiting plates are arranged above the springs, damping sleeves are sleeved below the outer surfaces of the supporting rods, damping gaskets are arranged inside the damping sleeves, a brake universal wheel is mounted on the lower end face of each supporting rod, vertical plates are fixedly mounted on two sides of the upper end face of the bottom plate, a top plate is mounted on the upper end face of each vertical plate, motors A are fixedly mounted on two sides of the upper end face of each top plate, a threaded rod is arranged below each motor A, a bearing plate is sleeved on the lower end face of each threaded rod, threaded blocks are sleeved on the outer surface of each threaded rod, and a lifting plate is fixedly mounted on one side, opposite to the outer surfaces of the two threaded blocks, the utility model discloses a drill bit, including lifter plate, motor B, connecting post, inboard sliding connection, the inboard of spout has the slider, the lower terminal surface fixedly connected with briquetting of slider, the both sides of terminal surface are provided with the spliced pole under the lifter plate, the below of connecting piece is provided with the spliced pole, the both sides of spliced pole surface are provided with the spout, the inboard sliding connection of spout has the slider, the lower terminal surface fixedly connected with briquetting of slider, the both sides of terminal surface are provided with logical groove under the spliced pole, the lower terminal surface cover of spliced pole is equipped with the lagging, one side of lagging surface is provided with the slot, the inboard of slot is provided with the picture peg, the lower terminal surface fixedly connected with thin-walled bit of lagging.

Preferably, the motor B is fixedly connected with the upper end face of the connecting column through a coupler.

Preferably, a strip-shaped block is fixedly mounted on one side of the outer surface of the inserting plate, limiting blocks are fixedly mounted on the front end face and the rear end face of the inserting plate, limiting grooves are formed in the front and the rear of the inner wall of the inserting groove, and the limiting blocks are clamped into the inner sides of the limiting grooves.

Preferably, the damping gasket is fixedly connected to the bottom of the inner wall of the damping sleeve, the bottom end of the supporting rod is inserted into the damping sleeve, and the lower end face of the supporting rod is fixedly connected to the upper end face of the damping gasket.

Preferably, motor A's output fixedly connected with pivot, the pivot runs through the roof, the lower terminal surface of pivot with the up end fixed connection of threaded rod, one side of bearing plate surface with the surface fixed connection of riser.

Preferably, the front end face and the rear end face of the sliding block are fixedly provided with clamping blocks, clamping grooves are formed in the front and the rear of the inner wall of the sliding groove, and the clamping blocks are clamped into the inner sides of the clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through being provided with shock attenuation cover, shock attenuation gasket, spring and limiting plate, the device can produce when beginning to take a sample and rock, and the bracing piece extrudees the shock attenuation gasket of shock attenuation cover inside, makes shock attenuation gasket carry out the shock attenuation to the bracing piece, and the spring can produce the flexible shock attenuation that carries on, and this utility model shock attenuation is effectual;

2. the utility model discloses a be provided with spliced pole, slider, spout, picture peg, slot, briquetting, lead to the groove, accomplish the back when the sample, pull out the picture peg through the bar piece, with the slider downstream, the slider moves down and drives the briquetting downstream, and the briquetting passes logical groove, with the core appearance promotes downwards, in the briquetting can extrude the thin wall drill bit with the concrete sample, conveniently takes out the sample, this utility model is convenient for take out the core appearance, guarantees measuring result.

Drawings

Fig. 1 is a cross-sectional view of the whole of the present invention;

FIG. 2 is a schematic structural view of the connecting column of the present invention;

FIG. 3 is a cross-sectional view of the connecting column of the present invention;

fig. 4 is the external structure diagram of the connecting column of the present invention.

In the figure: 1. a base plate; 2. a support bar; 3. the universal wheel can be braked; 4. a vertical plate; 5. a threaded rod; 6. a thread block; 7. a motor A; 8. connecting blocks; 9. a top plate; 10. a lifting plate; 11. a bearing plate; 12. a spring; 13. a shock-absorbing sleeve; 14. a shock-absorbing pad; 15. a limiting plate; 16. a thin-walled drill bit; 17. a through hole; 18. Sheathing; 19. connecting columns; 20. a slider; 21. a chute; 22. inserting plates; 23. a slot; 24. briquetting; 25. a motor B; 26. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model discloses motor A7 (the model is YS7134), motor B25 (the model is 68KTYZ) all can obtain from market purchase or private customization.

Referring to fig. 1 to 4, the present invention provides an embodiment: a drill core device for detecting concrete strength comprises a bottom plate 1, a through hole 17 is arranged at the middle position of the upper end face of the bottom plate 1, supporting rods 2 are fixedly installed at four end corners of the lower end face of the bottom plate 1, springs 12 are sleeved above the supporting rods 2, a limiting plate 15 is arranged above the springs 12, a damping sleeve 13 is sleeved below the outer surface of the supporting rods 2, damping gaskets 14 are arranged inside the damping sleeve 13, braking universal wheels 3 are installed on the lower end face of the supporting rods 2, vertical plates 4 are fixedly installed on two sides of the upper end face of the bottom plate 1, a top plate 9 is installed on the upper end face of each vertical plate 4, a motor A7 is fixedly installed on two sides of the upper end face of the top plate 9, a threaded rod 5 is arranged below a motor A7, a bearing plate 11 is sleeved on the lower end face of the threaded rod 5, threaded blocks 6 are sleeved on the outer surface of the threaded rod 5, a lifting plate 10 is fixedly installed on one side, which is opposite to the outer surfaces of the two threaded blocks 6, the intermediate position fixed mounting of terminal surface has connecting block 8 under lifter plate 10, motor B25 is installed to the inside below of connecting block 8, the below of connecting block 8 is provided with spliced pole 19, the both sides of spliced pole 19 surface are provided with spout 21, the inboard sliding connection of spout 21 has slider 20, the lower terminal surface fixedly connected with briquetting 24 of slider 20, the both sides of terminal surface are provided with logical groove 26 under the spliced pole 19, the lower terminal surface cover of spliced pole 19 is equipped with lagging 18, one side of lagging 18 surface is provided with slot 23, the inboard of slot 23 is provided with picture peg 22, the lower terminal surface fixedly connected with thin wall bit 16 of lagging 18.

Further, the motor B25 is fixedly connected with the upper end face of the connecting column 19 through a coupler, so that the motor B can drive the connecting column 19 to rotate when working.

Further, one side fixed mounting of picture peg 22 surface has a bar-shaped piece, and the equal fixed mounting of preceding terminal surface and the rear end face of picture peg 22 has a stopper, and the place ahead and the rear of slot 23 inner wall all are provided with the spacing groove, and the stopper card goes into the inboard of spacing groove, improves the stability that picture peg 22 removed, is convenient for pull out picture peg 22 through the bar-shaped piece.

Further, damping gasket 14 fixed connection is in the bottom of damping sleeve 13 inner wall, and the inside of damping sleeve 13 is inserted to the bottom of bracing piece 2, and the stability of connecting is improved to the lower terminal surface of bracing piece 2 and damping gasket 14's up end fixed connection.

Further, motor A7's output fixedly connected with pivot, roof 9 is run through in the pivot, the lower terminal surface of pivot and the up end fixed connection of threaded rod 5, and one side of bearing plate 11 surface and the surface fixed connection of riser 4 improve threaded rod 5 pivoted stability.

Further, the front end face and the rear end face of the sliding block 20 are fixedly provided with clamping blocks, clamping grooves are formed in the front and the rear of the inner wall of the sliding groove 21, the clamping blocks are clamped into the inner sides of the clamping grooves, and the moving stability of the sliding block 20 is improved.

The working principle is as follows: when the sampling device is used, a power supply is switched on, the sampling device is moved to a position needing sampling, switches of a motor A7 and a motor B25 are turned on, a motor A7 works to drive a threaded rod 5 to rotate, a threaded block 6 moves downwards on the outer surface of the threaded rod 5, a motor B25 works to drive a connecting column 19 to rotate, a thin-wall drill bit 16 moves downwards to perform sampling, the device shakes, a supporting rod 2 extrudes a damping gasket 14 inside a damping sleeve 13, the damping gasket 14 damps the supporting rod 2, a spring 12 expands and damps, after sampling is completed, the switch of the motor B25 is turned off, a motor A7 is controlled to enable a motor A7 to work reversely, the threaded rod 5 rotates reversely, the threaded block 6 moves upwards on the outer surface of the threaded rod 5 to drive a connecting block 8 to move upwards, the connecting column 19 and the thin-wall drill bit 16 are driven to move upwards, an inserting plate 22 is pulled out through the strip-shaped block to move a sliding block 20 downwards, slider 20 moves down and drives briquetting 24 and move down, and briquetting 24 passes logical groove 26, with the core appearance promotes downwards, and briquetting 24 can extrude the concrete sample in thin wall bit 16, conveniently takes out the sample, and this utility model shock attenuation is effectual, and is convenient for take out the core appearance, has guaranteed measuring result.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A core drilling device for detecting concrete strength, includes bottom plate (1), its characterized in that: the middle position of the upper end face of the bottom plate (1) is provided with a through hole (17), four end angles of the lower end face of the bottom plate (1) are fixedly provided with supporting rods (2), a spring (12) is sleeved on the upper portion of each supporting rod (2), a limiting plate (15) is arranged above each spring (12), a damping sleeve (13) is sleeved on the lower portion of the outer surface of each supporting rod (2), a damping gasket (14) is arranged inside each damping sleeve (13), a universal wheel (3) capable of braking is installed on the lower end face of each supporting rod (2), vertical plates (4) are fixedly installed on two sides of the upper end face of the bottom plate (1), a top plate (9) is installed on the upper end face of each vertical plate (4), a motor A (7) is fixedly installed on two sides of the upper end face of the top plate (9), a threaded rod (5) is arranged below the motor A (7), and a bearing plate (11) is sleeved on the lower end face of each threaded rod (5), the outer surface cover of threaded rod (5) is equipped with screw block (6), two one side fixed mounting that screw block (6) surface is relative has lifter plate (10), the intermediate position fixed mounting of terminal surface has connecting block (8) under lifter plate (10), motor B (25) are installed to the inside below of connecting block (8), the below of connecting block (8) is provided with spliced pole (19), the both sides of spliced pole (19) surface are provided with spout (21), the inboard sliding connection of spout (21) has slider (20), the lower terminal surface fixedly connected with briquetting (24) of slider (20), the both sides of terminal surface are provided with logical groove (26) under spliced pole (19), the lower terminal surface cover of spliced pole (19) is equipped with lagging (18), one side of lagging (18) surface is provided with slot (23), the inboard of slot (23) is provided with picture peg (22), the lower end surface of the sleeve plate (18) is fixedly connected with a thin-wall drill bit (16).

2. A core drilling apparatus for testing concrete strength according to claim 1, wherein: the motor B (25) is fixedly connected with the upper end face of the connecting column (19) through a coupler.

3. A core drilling apparatus for testing concrete strength according to claim 1, wherein: one side fixed mounting of picture peg (22) surface has the bar-shaped piece, the equal fixed mounting of preceding terminal surface and the rear end face of picture peg (22) has the stopper, the place ahead and the rear of slot (23) inner wall all are provided with the spacing groove, just the stopper card is gone into the inboard in spacing groove.

4. A core drilling apparatus for testing concrete strength according to claim 1, wherein: shock attenuation gasket (14) fixed connection be in the bottom of shock attenuation cover (13) inner wall, the bottom of bracing piece (2) is inserted the inside of shock attenuation cover (13), the lower terminal surface of bracing piece (2) with the up end fixed connection of shock attenuation gasket (14).

5. A core drilling apparatus for testing concrete strength according to claim 1, wherein: the output fixedly connected with pivot of motor A (7), the pivot runs through roof (9), the lower terminal surface of pivot with the up end fixed connection of threaded rod (5), one side of bearing plate (11) surface with the surface fixed connection of riser (4).

6. A core drilling apparatus for testing concrete strength according to claim 1, wherein: the front end face and the rear end face of the sliding block (20) are fixedly provided with clamping blocks, clamping grooves are formed in the front and the rear of the inner wall of the sliding groove (21), and the clamping blocks are clamped into the inner sides of the clamping grooves.