CN216348306U

CN216348306U - Crack depth tester

Info

Publication number: CN216348306U
Application number: CN202122343810.5U
Authority: CN
Inventors: 沈翔; 王金权; 肖龙; 杨健; 夏晓亮; 陈鼎; 李明辉
Original assignee: Ningbo Hangzhou Bay Bridge Development Co ltd
Current assignee: Ningbo Hangzhou Bay Bridge Development Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-19
Anticipated expiration: 2031-09-27

Abstract

The application relates to a crack depth tester, which comprises a bracket, be equipped with horizontal slip device on the support, the last vertical slider that is equipped with of horizontal slip device, the last slip of vertical slider is equipped with the carriage release lever, the vertical setting of carriage release lever, the top of support is equipped with the record board, the top of carriage release lever is equipped with the stylus, the stylus sets up towards the record board. This application has the carriage release lever and can remove or remove along vertical direction along the horizontal direction on the support, the bottom of carriage release lever remain throughout with the bottom looks butt state in gap, thereby the horizontal slip carriage release lever makes the recording pen carry out the record on the record board, thereby learns the change of the inside depth in gap according to the pattern of drawing on the record board, the device simple structure, the lower effect of detection cost.

Description

Crack depth tester

Technical Field

The application relates to the technical field of pavement detection, in particular to a crack depth measuring instrument.

Background

The pavement is an important component of the highway, and the quality of the pavement influences the service level of the highway. Cracks are one of the major damages of public roads. At present, in the field of pavement gap detection, the gap is mainly identified by a method of directly observing and interpreting manually or analyzing a two-dimensional gap image by using a computer.

The conventional gap detection device mostly adopts image detection or ultrasonic detection, and the image detection or the ultrasonic detection can detect the change of the depth inside the gap, but the cost of the detection method is relatively high.

Disclosure of Invention

In order to solve the problem that image detection or ultrasonic detection cost is higher, the application provides a crack depth apparatus.

The application provides a crack depth apparatus, adopts following technical scheme:

the utility model provides a crack depth measuring instrument, includes the support, be equipped with horizontal slip device on the support, the last vertical slider that is equipped with of horizontal slip device, the last slip of vertical slider is equipped with the carriage release lever, the vertical setting of carriage release lever, the top of support is equipped with the record board, the top of carriage release lever is equipped with the recording pen, the recording pen sets up towards the record board.

Through adopting above-mentioned technical scheme, the carriage release lever can move or move along vertical direction along the horizontal direction on the support, the bottom of carriage release lever remain throughout with the bottom looks butt state in gap, thereby the horizontal slip carriage release lever makes the recording pen carry out the record on the record board, thereby learn the change of the inside depth degree in gap according to the pattern of drawing on the record board, the device simple structure, detection cost is lower.

Preferably, the horizontal sliding device comprises a first sliding block and a first sliding groove horizontally arranged on the bracket, and the first sliding block is slidably arranged in the first sliding groove.

Through adopting above-mentioned technical scheme, first sliding block slides in first spout to make the carriage release lever remove along the length direction in gap, be convenient for once only detect the gap depth degree change.

Preferably, vertical slider includes fixed block and second sliding block, the fixed block is fixed to be set up on first sliding block, be equipped with the second spout on the fixed block, the second sliding block slides and sets up in the second spout, carriage release lever and second sliding block fixed connection.

Through adopting above-mentioned technical scheme, the second sliding block slides in the second spout to make the carriage release lever reciprocate through the reaction force of gap bottom, realize that the recording pen records the change of gap bottom depth.

Preferably, the top of carriage release lever is equipped with the fixture block, set up the recess in the fixture block, be equipped with the vertical dwang that is equipped with in the recess, the dwang is close to the one end of recess inside wall and has seted up through-hole and screw thread shrinkage pool, wear to be equipped with the rotary rod in the through-hole, the rotary rod rotates and sets up in the recess, wear to be equipped with the gag lever post on the fixture block, gag lever post and screw thread shrinkage pool threaded connection, the recording pen sets up on the dwang.

Through adopting above-mentioned technical scheme, the recording pen is mutually supported with the record board, unscrews the gag lever post and rotates the dwang after the measurement is accomplished for the recording pen shifts up from the record board and leaves, thereby avoids the recording pen to slide the result on the influence record board at will.

Preferably, the top of dwang is equipped with the lantern ring, the lantern ring cover is established on the recording pen, a pot head of the lantern ring is equipped with the seal cover.

Through adopting above-mentioned technical scheme, the seal cover is fixed the recording pen in the cover intra-annular, takes off the seal cover and can change the recording pen to avoid the recording pen to damage the influence and cause the influence to the measurement in gap.

Preferably, the bottom of carriage release lever is equipped with the hemisphere dog, the plane end of hemisphere dog is laminated with the bottom of carriage release lever mutually.

Through adopting above-mentioned technical scheme, hemispherical dog can prevent that the gap bottom from causing wearing and tearing to the carriage release lever, the influence is to the measurement of crack degree of depth.

Preferably, the hemispherical stopper is a metal sphere.

Through adopting above-mentioned technical scheme, the hemisphere dog of metal material is difficult to by wearing and tearing when contacting with the gap bottom, has prolonged the life of equipment.

Preferably, a lifting platform is fixedly arranged at the bottom end of the support.

Through adopting above-mentioned technical scheme, can be through the measuring scope of lift platform control device according to the gap of the different degree of depth to be applicable to more crack depth measurement.

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

1. the movable rod can move on the support in the horizontal direction or in the vertical direction, the bottom end of the movable rod is always in a state of abutting against the bottom end of the gap, the movable rod is horizontally slid so that the recording pen can record on the recording plate, and the change of the depth inside the gap can be known according to the pattern drawn on the recording plate;

2. the height of the support is changed through the lifting platform, so that the detection range of the tester is controlled, and the device is suitable for detection under different conditions.

Drawings

Fig. 1 is a schematic view of the overall structure of a crack depth measuring instrument in the embodiment of the present application.

Fig. 2 is a schematic diagram of an explosive structure of a fracture depth measuring instrument in the embodiment of the present application.

Fig. 3 is a schematic diagram of an explosion structure at the stylus in the embodiment of the present application.

Description of reference numerals: 1. a support; 2. a horizontal sliding device; 21. a first slider; 22. a first chute; 3. a vertical sliding device; 31. a fixed block; 32. a second slider; 33. a second chute; 4. a travel bar; 5. a recording plate; 6. a stylus pen; 7. a groove; 8. rotating the rod; 9. a through hole; 10. thread concave holes; 11. rotating the rod; 12. a limiting rod; 13. a collar; 14. sealing sleeves; 15. a hemispherical stopper; 16. a lifting platform; 17. and (7) clamping blocks.

Detailed Description

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

The embodiment of the application discloses crack depth tester.

Referring to fig. 1 and 2, a crack depth measuring instrument includes a lifting platform 16, a moving rod 4 and a support 1 disposed on the top of the lifting platform 16, a horizontal sliding device 2 for the moving rod 4 to move along the horizontal direction is disposed on the support 1, and a vertical sliding device 3 for the moving rod 4 to move along the vertical direction is disposed on the horizontal sliding device 2. Specifically, the horizontal sliding device 2 includes a first sliding groove 22 and a first sliding block 21, the first sliding groove 22 is horizontally disposed on an outer side wall of the bracket 1, and the first sliding groove 22 is disposed along a length direction of the bracket 1 and extends to a side wall of the bracket 1 in a width direction. The longitudinal section of the first sliding groove 22 is T-shaped, the first sliding block 21 is a T-shaped sliding block, and the first sliding block 21 is slidably disposed in the first sliding groove 22. The vertical sliding device 3 comprises a fixed block 31 and a second sliding block 32, wherein the fixed block 31 is fixedly arranged on the side wall of the first sliding block 21 far away from the bracket 1. The fixed block 31 is kept away from and is vertically seted up second spout 33 on the lateral wall of first slider 21, and the cross section of second spout 33 is the T type, and second slider 32 is T type slider, and second slider 32 slides and sets up in second spout 33. The moving rod 4 is fixed on the second sliding block 32, and the second sliding block 32 drives the moving rod 4 to move along the vertical direction, so that the moving rod 4 can move along the horizontal direction due to the fixed block 31 moving along the horizontal direction under the driving of the first sliding block 21.

In implementation, the moving rod 4 moves up and down under the driving of the second sliding block 32, so that the depth of the fixed point gap can be measured; the moving rod 4 is driven by the second sliding block 32 to move along the length direction of the gap, so that the depths of different positions of the gap can be measured. Because the length of the movable rod 4 is limited and the depth of the gap to be measured is different each time, the lifting platform 16 can be lifted to measure the gaps with different depths,

referring to fig. 2, a hemispherical baffle is fixedly disposed at the bottom end of the moving rod 4, the hemispherical baffle is a metal sphere, and the planar end of the hemispherical stopper 15 is attached to the bottom end of the moving rod 4. In the implementation, when the carriage release lever 4 contacts with the gap bottom, the carriage release lever 4 is easy to wear, so the setting of the metal hemispherical baffle can avoid the carriage release lever 4 to suffer from wear, thereby the measuring result is more accurate.

Referring to fig. 2 and 3, fixed fixture block 17 that is equipped with in top of carriage release lever 4, recess 7 has been seted up on fixture block 17's top, the vertical dwang 8 that is equipped with in recess 7, and the lateral wall of dwang 8 is laminated with the inboard wall of recess 7 mutually, and the one end that dwang 8 is close to the interior diapire of recess 7 is the arc. Through-hole 9 has been seted up on dwang 8 is close to the lateral wall of recess 7 inside wall, wears to be equipped with rotary rod 11 in the through-hole 9, rotary rod 11 and dwang 8 fixed connection, and rotary rod 11 rotates and sets up inside recess 7. Threaded concave hole 10 is seted up on dwang 8 is close to the lateral wall of recess 7 inside wall, wears to be equipped with gag lever post 12 on fixture block 17, and the one end of gag lever post 12 is worn to establish into recess 7 inside and gag lever post 12 and threaded concave hole 10 threaded connection. In the implementation, gag lever post 12 and rotary rod 11 all wear to establish into dwang 8 in can avoiding dwang 8 at recess 7 internal rotation to restrict the position of dwang 8.

Referring to fig. 2 and 3, a lantern ring 13 is fixedly arranged at the top end of the rotating rod 8, a recording board 5 is fixedly arranged at the top end of the support 1, a recording pen 6 penetrates through the lantern ring 13, the recording pen 6 is arranged towards the recording board 5, and the recording pen 6 is abutted to the recording board 5. A sealing sleeve 14 is arranged at one end of the sleeve ring 13 far away from the recording plate 5, the sealing sleeve 14 is sleeved on the sleeve ring 13, and the sealing sleeve 14 is in threaded connection with the sleeve ring 13.

The implementation principle of the crack depth measuring instrument in the embodiment of the application is as follows: guarantee the hemisphere dog 15 of carriage release lever 4 bottom all the time and the bottom looks butt in gap, make carriage release lever 4 remove along fissured length direction through removing first sliding block 21, reciprocate carriage release lever 4 according to the difference of crack depth to make the recording pen 6 on carriage release lever 4 top can draw fissured degree of depth change on recording board 5, stretch into fissured length according to carriage release lever 4 and can judge fissured concrete degree of depth. The device simple structure, the operation of being convenient for detect the cost lower.

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. A crack depth tester is characterized in that: including support (1), be equipped with horizontal slip device (2) on support (1), be equipped with vertical slider (3) on horizontal slip device (2), the slip is equipped with carriage release lever (4) on vertical slider (3), the vertical setting of carriage release lever (4), the top of support (1) is equipped with recording board (5), the top of carriage release lever (4) is equipped with recording pen (6), recording pen (6) set up towards recording board (5).

2. A fracture depth gauge according to claim 1, wherein: the horizontal sliding device (2) comprises a first sliding block (21) and a first sliding groove (22) horizontally arranged on the support (1), and the first sliding block (21) is arranged in the first sliding groove (22) in a sliding mode.

3. A fracture depth gauge according to claim 2, wherein: vertical slider (3) include fixed block (31) and second sliding block (32), fixed block (31) are fixed to be set up on first sliding block (21), be equipped with second spout (33) on fixed block (31), second sliding block (32) slide and set up in second spout (33), carriage release lever (4) and second sliding block (32) fixed connection.

4. A fracture depth gauge according to claim 1, wherein: the top of carriage release lever (4) is equipped with fixture block (17), recess (7) have been seted up in fixture block (17), be equipped with vertical dwang (8) that is equipped with in recess (7), through-hole (9) and screw thread shrinkage pool (10) have been seted up to dwang (8) one end that is close to recess (7) inside wall, wear to be equipped with rotary rod (11) in through-hole (9), rotary rod (11) rotate to set up in recess (7), wear to be equipped with gag lever post (12) on fixture block (17), gag lever post (12) and screw thread shrinkage pool (10) threaded connection, recording pen (6) set up on dwang (8).

5. A fracture depth gauge according to claim 4, wherein: the top of dwang (8) is equipped with the lantern ring (13), lantern ring (13) cover is established on recording pen (6), a pot head of the lantern ring (13) is equipped with seal cover (14).

6. A fracture depth gauge according to claim 1, wherein: the bottom of carriage release lever (4) is equipped with hemisphere dog (15), the plane end of hemisphere dog (15) is laminated with the bottom of carriage release lever (4) mutually.

7. A fracture depth gauge according to claim 6, wherein: the hemispherical stop block (15) is a metal sphere.

8. A fracture depth gauge according to claim 7, wherein: the bottom end of the support (1) is fixedly provided with a lifting platform (16).