Vernier scale for measuring local void of bridge support

Abstract

The utility model relates to the technical field of measuring devices, in particular to a vernier scale for measuring local disengagement of a bridge support, which comprises a scale body, a vernier and a sliding block, the vernier is slidably connected to one side of the scale body along the thickness direction of the scale body, the sliding direction of the vernier is parallel to the length direction of the scale body, and the sliding block is slidably connected to the other side of the scale body. The sliding direction of the sliding block is parallel to the sliding direction of the vernier. The vernier scale is placed at the local disengagement position of the bridge support, one end of the vernier scale body abuts against the deepest position of the disengagement position, and then the vernier scale and the sliding block are pushed to abut against the side wall of the support in a sliding mode; or the sliding block and the vernier firstly abut against the side wall of the support, then one end of the vernier body is pushed to abut against the deepest position of the disengaging position, the depth of the disengaging position can be obtained, and the vernier is simple in structure, low in production cost, convenient to operate, high in feasibility and wide in application range.

Description

Technical Field

[0001] The present application relates to the technical field of measuring devices, and in particular to a vernier ruler for measuring partial de-airing of bridge bearings. Background Art

[0002] In recent years, my country's economy has developed rapidly and has made remarkable achievements in the field of transportation construction. There are more than 1 million highway bridges in the country. With my country's major strategic decision to build a strong transportation country, these bridges play a vital role in improving people's quality of life and driving economic development. In the future, my country's bridge construction will gradually shift from construction-oriented to integrated construction, management and maintenance. The demand for bridge inspection and maintenance is increasing day by day, and it will gradually play a pivotal role.

[0003] Among the many bridges in my country, prefabricated structures account for a large proportion, and most of them use plate rubber bearings, which have good applicability and economy. However, the plate rubber bearings of bridges are prone to local degassing during operation. If not taken seriously, it will directly affect the service life of the bridge and even cause safety accidents. At present, during bridge inspection, the degree of local degassing of the bearings is not quantified enough, and sometimes the degree of degassing is only judged by the naked eye of the inspectors, which brings problems to the subsequent bearing capacity assessment. Utility Model Content

[0004] In order to accurately obtain the size of local debonding of bridge bearings and provide quantitative indicators for evaluating the stress state of existing bridges, the present application provides a vernier ruler for measuring local debonding of bridge bearings.

[0005] The present application provides a vernier ruler for measuring partial de-airing of bridge bearings, which adopts the following technical solution:

[0006] A vernier ruler for measuring partial debonding of a bridge bearing comprises a ruler body, a vernier ruler and a sliding block, wherein the vernier ruler is slidably connected to one side of the ruler body along the thickness direction of the ruler body, and the sliding direction of the vernier ruler is parallel to the length direction of the ruler body, and the sliding block is slidably connected to the other side of the ruler body, and the sliding direction of the sliding block is parallel to the sliding direction of the vernier ruler.

[0007] By adopting the above technical scheme, the vernier ruler is placed at the partial empty position of the bridge bearing, and one end of the ruler body is firstly abutted against the deepest part of the empty position, and then the vernier ruler and the sliding block are pushed to slide against the side wall of the bearing; or the sliding block and the vernier ruler are first abutted against the side wall of the bearing, and then one end of the ruler body is pushed to abut against the deepest part of the empty position, so that the depth of the empty position can be obtained. The vernier ruler has a simple structure, low production cost, convenient operation, strong feasibility and a wide range of applications.

[0008] Preferably, the ruler body is provided with a through slot, the length direction of the through slot is parallel to the sliding direction of the vernier, and a first embedded block is connected to the side of the vernier close to the sliding block, and the first embedded block is slidably embedded in the through slot.

[0009] By adopting the above technical solution, a through groove is provided on the ruler body, and the first embedded block is slidably embedded in the through groove, which guides the sliding of the vernier and facilitates the sliding of the vernier along the length direction of the through groove, thereby improving the accuracy of measurement.

[0010] Preferably, a second embedded block is connected to a side of the sliding block close to the vernier, and the second embedded block is slidably embedded in the through groove.

[0011] By adopting the above technical solution, the second embedded block is slidably embedded in the through groove, which guides the sliding of the sliding block, facilitates the sliding block to slide along the length direction of the through groove, and improves the accuracy of measurement.

[0012] Preferably, the first embedded block is provided with a first fitting surface, the first fitting surface is a plane, and the fitting surface is slidably fitted to the wall of the through groove, and the second embedded block is provided with a second fitting surface, the second fitting surface is a plane, and the second fitting surface is slidably fitted to the wall of the through groove.

[0013] By adopting the above technical solution, the first fitting surface of the first embedded block and the second fitting surface of the second embedded block are fitted to the wall of the through groove, ensuring that the vernier and the sliding block will not rotate relative to the ruler body when they slide, thereby facilitating the accuracy of measurement data.

[0014] Preferably, it also includes a fastening bolt, the vernier is provided with a first connecting hole, the first connecting hole is connected to the through slot, the sliding block is provided with a second connecting hole, the second connecting hole is connected to the through slot, and the fastening bolt passes through the first connecting hole, the through slot and the second connecting hole in sequence to realize the connection between the vernier, the ruler body and the sliding block.

[0015] By adopting the above technical solution, the detachable connection between the vernier, the scale body and the sliding block is achieved through the fastening bolts, which helps to replace and repair the vernier, the scale body and the sliding block, and improves the service life of the vernier; the fastening bolts pass through the first connecting hole, the through groove and the second connecting hole in sequence, which facilitates the synchronous movement of the vernier and the sliding block, and improves the convenience of vernier operation.

[0016] Preferably, the two side surfaces of the vernier scale along the width direction of the scale body are flush with the two side surfaces of the scale body along the width direction of the scale body, and the two side surfaces of the sliding block along the width direction of the scale body are flush with the two side surfaces of the scale body along the width direction of the scale body.

[0017] By adopting the above technical solution, it is easy to achieve that the first connecting hole, the through slot and the second connecting hole are aligned, which is convenient for fixing the fastening bolts, further increasing the contact area, reducing the pressure on the ruler body, and increasing the service life of the vernier ruler. Increasing the torque and reducing the amplitude of the vernier ruler and the sliding block shaking along the width direction of the ruler body are helpful to improve the stability of the connection between the ruler body, the vernier ruler and the sliding block.

[0018] Preferably, a surface of the ruler body facing the vernier is provided with scale lines.

[0019] By adopting the above technical solution, it is convenient for workers to directly read data, reduce the error caused by measurement through external measuring tools, and improve the accuracy of measurement results.

[0020] Preferably, a side of the sliding block away from the vernier is connected to a backrest, and the backrest is located on one side of the sliding block along the length direction of the ruler.

[0021] By adopting the above technical solution, a backrest is provided to improve the stability of the sliding block abutting against the bridge support, thereby improving the accuracy of the vernier caliper measurement result.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. Place the vernier ruler at the partial empty position of the bridge bearing, first place one end of the ruler body against the deepest part of the empty position, and then push the vernier ruler and the sliding block to slide against the side wall of the bearing; or first place the sliding block and the vernier ruler against the side wall of the bearing, and then push one end of the ruler body against the deepest part of the empty position, both of which can obtain the depth of the empty position. The vernier ruler has a simple structure, low production cost, convenient operation, strong feasibility, and a wide range of applications.

[0024] 2. The detachable connection of the vernier, the ruler body and the sliding block is realized by fastening bolts, which is helpful for the replacement and maintenance of the vernier, the ruler body and the sliding block, and improves the service life of the vernier; the fastening bolts pass through the first connecting hole, the through slot and the second connecting hole in sequence, which is convenient for the synchronous movement of the vernier and the sliding block, and improves the convenience of the operation of the vernier;

[0025] 3. Setting a backrest improves the stability of the sliding block against the bridge support, thereby improving the accuracy of the vernier caliper measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of a vernier caliper used to measure partial debonding of bridge bearings.

[0027] Figure 2 It is a cross-sectional view of a vernier caliper used to measure partial voiding of a bridge bearing.

[0028] Figure 3It is a schematic diagram of the partial explosion structure of a vernier ruler used to measure the local voiding of a bridge support.

[0029] Figure 4 It is a schematic diagram of the partial explosion structure from another angle of the vernier ruler used to measure the partial voiding of the bridge bearing.

[0030] Figure 5 It is a cross-sectional view of a vernier caliper used to measure partial voiding of a bridge bearing.

[0031] Description of reference numerals:

[0032] 1. Ruler body; 11. Through slot; 12. Scale line;

[0033] 2. Vernier; 21. First insert; 211. First fitting surface; 22. First connecting hole; 23. Indicator plate;

[0034] 3. Sliding block; 31. Second embedded block; 311. Second fitting surface; 32. Second connecting hole; 33. Backrest; 331. Sliding groove; 34. Connecting plate; 341. Connecting groove;

[0035] 4. Tighten the bolts;

[0036] 5. Positioning assembly; 51. Abutment block; 52. Slider; 53. Reset member. DETAILED DESCRIPTION

[0037] The present application is further described in detail below in conjunction with the accompanying drawings.

[0038] Reference Figure 1 The present application embodiment discloses a vernier ruler for measuring partial debonding of a bridge bearing, including a ruler body 1. The ruler body 1 is provided with a through slot 11, which penetrates the ruler body 1 along the thickness direction of the ruler body 1, and the through slot 11 extends along the length direction of the ruler body 1. A scale line 12 is provided on one side surface of the ruler body 1 along the thickness direction of the ruler body 1. In this embodiment, the "0" scale line 12 coincides with one end of the ruler body 1 along the length direction of the ruler body 1.

[0039] Reference Figure 1 and Figure 2 A vernier ruler for measuring partial de-airing of a bridge bearing also includes a vernier ruler 2. The vernier ruler 2 is slidably connected to a side of a ruler body 1 provided with a scale line 12, and a sliding direction of the vernier ruler 2 is parallel to a length direction of the ruler body 1.

[0040] Reference Figure 2 and Figure 3The vernier 2 includes an indicator plate 23 and a first insert 21. One side surface of the indicator plate 23 is slidably fitted to the ruler body 1, and the two side surfaces of the indicator plate 23 along the width direction of the ruler body 1 are flush with the two side surfaces of the ruler body 1 along the width direction of the ruler body 1. One end of the first insert 21 is fixedly connected to the indicator plate 23 and fitted to one side surface of the ruler body 1, and the other end of the first insert 21 is slidably embedded in the through groove 11, and the sliding direction of the first insert 21 is parallel to the sliding direction of the vernier 2. The first insert 21 is provided with a first fitting surface 211, and the first fitting surface 211 is a plane, and the first fitting surface 211 is slidably fitted to the groove wall of the through groove 11.

[0041] Reference Figure 1 and Figure 2 A vernier ruler for measuring partial de-airing of a bridge bearing also includes a sliding block 3. The sliding block 3 is slidably connected to a side of the ruler body 1 away from the vernier ruler 2 along the thickness direction of the ruler body 1, and the sliding direction of the sliding block 3 is parallel to the sliding direction of the vernier ruler 2.

[0042] Reference Figure 2 and Figure 4 The sliding block 3 includes a connecting plate 34, a second embedded block 31 and a backrest 33. One side surface of the connecting plate 34 is slidably fitted to the ruler body 1, and the two side surfaces of the connecting plate 34 along the width direction of the ruler body 1 are flush with the two side surfaces of the ruler body 1 along the width direction of the ruler body 1. One end of the second embedded block 31 is fixedly connected to the connecting plate 34 and fits to one side surface of the ruler body 1, and the other end of the second embedded block 31 is slidably embedded in the through groove 11, and the sliding direction of the second embedded block 31 is parallel to the sliding direction of the sliding block 3. The second embedded block 31 is provided with a second fitting surface 311, and the second fitting surface 311 is a plane, and the second fitting surface 311 is slidably fitted to the groove wall of the through groove 11. The backrest 33 is fixedly connected to a surface of the connecting plate 34 away from the vernier 2. The backrest 33 is located on one side of the connecting plate 34 along the length direction of the ruler 1. One side surface of the backrest 33 along the length direction of the ruler 1 is flush with one side surface of the connecting plate 34 along the length direction of the ruler 1. The length direction of the backrest 33 is parallel to the thickness direction of the ruler 1.

[0043] Reference Figure 4 and Figure 5A vernier ruler for measuring partial cavitation of a bridge support also includes a positioning assembly 5. A slide groove 331 is provided at one end of the backrest 33 close to the connecting plate 34, and the slide groove 331 extends along the length direction of the backrest 33. The connecting plate 34 is provided with a connecting groove 341, and the connecting groove 341 is connected to the slide groove 331. The positioning assembly 5 includes a contact block 51, a slider 52 and a reset member 53. The slider 52 is slidably embedded in the slide groove 331, and the sliding direction of the slider 52 is parallel to the length direction of the slide groove 331. One end of the contact block 51 is fixedly connected to a side surface of the slider 52 away from the bottom of the slide groove 331, and the contact block 51 is slidably embedded in the connecting groove 341, and the other end of the contact block 51 is used to press against a side surface of the ruler body 1 close to the connecting plate 34. In this embodiment, the contact block 51 is made of rubber. The reset member 53 is connected between the backrest 33 and the slider 52, and the reset member 53 makes the contact block 51 have a tendency to press against the ruler body 1. In this embodiment, the reset member 53 is a spring, one end of the reset member 53 is connected to the bottom of the slide slot 331, and the other end of the reset member 53 is connected to a side surface that slides away from the abutment block 51. There are two slide slots 331, and the number of the connecting slots 341, the abutment block 51, the slider 52 and the reset member 53 is the same as the number of the slide slots 331 and corresponds one to one.

[0044] Reference Figure 1 and Figure 2 , a vernier ruler for measuring partial debonding of a bridge bearing also includes a fastening bolt 4. The vernier ruler 2 is provided with a first connecting hole 22, which sequentially penetrates the indicating plate 23 and the first insert block 21 along the length direction of the ruler body 1, and the first connecting hole 22 is connected to the through slot 11, and the axis of the first connecting hole 22 is parallel to the thickness direction of the ruler body 1. The sliding block 3 is provided with a second connecting hole 32, which sequentially penetrates the connecting plate 34 and the second insert block 31, and the second connecting hole 32 is connected to the through slot 11, and the axis of the second connecting hole 32 coincides with the axis of the first connecting hole 22, and the second connecting hole 32 is located on the side of the backrest 33 away from the backrest 33 and flush with the connecting plate 34. The fastening bolt 4 sequentially passes through the first connecting hole 22, the through slot 11, and the second connecting hole 32 to achieve the connection between the vernier ruler 2, the ruler body 1 and the sliding block 3.

[0045] The implementation principle of a vernier ruler for measuring partial emptying of a bridge bearing in an embodiment of the present application is as follows: a handheld vernier ruler is placed at a position where the rubber bearing and the beam body are partially empty, and the side surface of the backrest 33 away from the fastening bolt 4 is pressed against the side wall of the rubber bearing, and the ruler body 1 is pushed to slide along the length direction of the through slot 11 until one end of the ruler body 1 abuts against the deepest part of the emptying position. The reset member 53 pushes the slider 52 to slide in the direction close to the ruler body 1, and the slider 52 pushes the abutment block 51 to abut against a side surface of the ruler body 1 close to the connecting plate 34, so as to achieve relative fixation of the ruler body 1 and the sliding block 3 along the length direction of the ruler body 1. The vernier ruler is retrieved, the data is read and recorded, and then the side surface of the backrest 33 close to the fastening bolt 4 is pushed to align the vernier ruler 2 with the "0" scale line 12 of the ruler body 1.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A vernier ruler for measuring partial voiding of a bridge support, characterized in that: The ruler comprises a ruler body (1), a vernier ruler (2) and a sliding block (3); the vernier ruler (2) is slidably connected to one side of the ruler body (1) along the thickness direction of the ruler body (1); the sliding direction of the vernier ruler (2) is parallel to the length direction of the ruler body (1); the sliding block (3) is slidably connected to the other side of the ruler body (1); the sliding direction of the sliding block (3) is parallel to the sliding direction of the vernier ruler (2).

2. The vernier ruler for measuring partial voiding of bridge bearings according to claim 1 is characterized in that: The ruler body (1) is provided with a through slot (11); the length direction of the through slot (11) is parallel to the sliding direction of the vernier (2); a first embedded block (21) is connected to a side of the vernier (2) close to the sliding block (3); the first embedded block (21) is slidably embedded in the through slot (11).

3. The vernier ruler for measuring partial voiding of bridge bearings according to claim 2 is characterized in that: A second embedded block (31) is connected to a side of the sliding block (3) close to the vernier (2); the second embedded block (31) is slidably embedded in the through groove (11).

4. The vernier ruler for measuring partial voiding of bridge bearings according to claim 3 is characterized in that: The first embedded block (21) is provided with a first fitting surface (211); the first fitting surface (211) is a plane; the fitting surface is slidably fitted to the wall of the through groove (11); the second embedded block (31) is provided with a second fitting surface (311); the second fitting surface (311) is a plane; the second fitting surface (311) is slidably fitted to the wall of the through groove (11).

5. The vernier ruler for measuring partial de-airing of bridge bearings according to claim 3 is characterized in that: The device also comprises a fastening bolt (4); the vernier (2) is provided with a first communicating hole (22); the first communicating hole (22) is connected to the through slot (11); the sliding block (3) is provided with a second communicating hole (32); the second communicating hole (32) is connected to the through slot (11); the fastening bolt (4) passes through the first communicating hole (22), the through slot (11) and the second communicating hole (32) in sequence to achieve the connection between the vernier (2), the ruler body (1) and the sliding block (3).

6. The vernier ruler for measuring partial voiding of bridge bearings according to claim 5 is characterized in that: The two side surfaces of the vernier ruler (2) along the width direction of the ruler body (1) are flush with the two side surfaces of the ruler body (1) along the width direction of the ruler body (1); the two side surfaces of the sliding block (3) along the width direction of the ruler body (1) are flush with the two side surfaces of the ruler body (1) along the width direction of the ruler body (1).

7. The vernier ruler for measuring partial voiding of bridge bearings according to claim 1 is characterized in that: A surface of the ruler body (1) facing the vernier ruler (2) is provided with scale lines (12).

8. The vernier ruler for measuring partial de-airing of bridge bearings according to claim 1 is characterized in that: A side of the sliding block (3) away from the vernier ruler (2) is connected to a backing (33); the backing (33) is located on one side of the sliding block (3) along the length direction of the ruler body (1).

Images