Cement block tension test fixing clamp

Abstract

The utility model relates to a cement block tension test fixing clamp. The cement block tension test fixing clamp comprises a first clamping plate, a second clamping plate and a third clamping plate, a sliding groove is formed in the first clamping plate, a first sliding shaft assembly is arranged at the bottom of the first clamping plate, the second clamping plate comprises two parts arranged on the front side and the rear side of the first clamping plate, and the two parts of the second clamping plate are connected through a first compression spring. The two parts of the second clamping plate are provided with second sliding shaft assemblies matched with the first sliding shaft assemblies correspondingly. The third clamping plate comprises a supporting plate fixed to the first clamping plate and a clamping part connected to the sliding groove in a sliding mode, and the supporting plate and the sliding block are connected through a second compression spring; a cement block is placed on the first clamping plate, the front side and the rear side of the cement block are clamped by the two parts of the second clamping plate respectively, and the left side and the right side of the cement block are clamped by the clamping parts of the first clamping plate and the third clamping plate respectively. The clamp can adapt to cement blocks with different widths and lengths, the cement blocks can be stably clamped, and the cement blocks do not need to be damaged.

Description

Technical Field

[0001] This utility model relates to a cement block tensile testing fixture, belonging to the field of tensile testing technology. Background Technology

[0002] When studying the construction of special structures such as tunnels and bridges that require strength, it is necessary to measure the bonding strength of two cement blocks that are bonded together. This involves conducting a tensile test on the two bonded cement blocks to determine whether their bonding strength meets the requirements of the structure.

[0003] Existing cement block tensile testing machines typically involve drilling holes in the cement block and securing it with a rope. This method of securing the block compromises its integrity, making it prone to breakage at the drilled points during testing. This results in inaccurate test data and causes the test results to deviate from the actual situation. Therefore, a cement block tensile testing fixture is proposed to address these issues. Utility Model Content

[0004] In order to solve the problems existing in the prior art, this utility model provides a fixing clamp for fixing and holding cement blocks, which facilitates tensile testing.

[0005] To achieve the above objectives, the technical solution proposed by this utility model is as follows: a cement block tensile testing fixture, comprising a first locking plate, a second locking plate, and a third locking plate; the first locking plate is provided with a sliding groove, and the bottom of the first locking plate is provided with a first sliding shaft assembly; the second locking plate comprises two parts disposed on the front and rear sides of the first locking plate, the two parts of the second locking plate are connected by a first compression spring, and the two parts of the second locking plate are respectively provided with a second sliding shaft assembly that cooperates with the first sliding shaft assembly; the third locking plate comprises a support plate fixed on the first locking plate and a clamping part slidably connected to the sliding groove, the support plate and the sliding block are connected by a second compression spring;

[0006] The cement block is placed on the first clamping plate, and is clamped on the front and rear sides by two parts of the second clamping plate, and on the left and right sides by the clamping parts of the first clamping plate and the third clamping plate, respectively.

[0007] A further design of the above technical solution is as follows: the first clamping plate is an "L"-shaped bent plate, including vertical plates and horizontal plates connected to each other, the cement block is placed on the horizontal plate of the bent plate, and one side of the cement block is clamped by the vertical plate.

[0008] The first locking plate has side plates on both the front and rear sides of the horizontal plate away from the vertical plate, and the two ends of the support plate are respectively fixed to the two side plates.

[0009] The first sliding shaft assembly is disposed at the bottom of the horizontal plate and is composed of a number of spaced first sliding shafts, with a groove formed between two adjacent first sliding shafts. The second sliding shaft assembly is composed of a number of second sliding shafts, and the second sliding shafts on the two parts of the second locking plate are slidably connected to the groove from the front and rear sides respectively.

[0010] The bottom of the two parts of the second locking plate is provided with opposite connecting grooves, and the two ends of the first compression spring are respectively connected to the two opposite connecting grooves.

[0011] The bottom of the clamping part of the third locking plate is provided with a sliding block, which is slidably connected in the sliding groove.

[0012] The bottom of the sliding block passes through the sliding groove and is provided with an anti-detachment block.

[0013] The bottom of the horizontal plate of the first locking plate away from the vertical plate is provided with a support block, and the bottom surface of the support block and the bottom surface of the connecting groove tube of the second locking plate are located in the same plane.

[0014] The two parts of the second locking plate are provided with sliding clearance grooves for the anti-detachment block to pass through at the sliding groove.

[0015] The first locking plate 1 has a connection hole for connecting a tensile testing device at the end of the horizontal plate away from the vertical plate.

[0016] The beneficial effects of this utility model are as follows:

[0017] In this invention, a first, second, and third locking plate are configured. A first compression spring provides tension to the two parts of the second locking plate, clamping the cement block on both sides. A sliding block drives the third locking plate to slide left and right along a sliding groove. A support plate and a second compression spring provide thrust to the third locking plate, allowing the cement block to be clamped and locked from both sides by the first and third locking plates. This allows the clamp to adapt to cement blocks of different widths and lengths, stably holding the cement block without damaging its integrity. During testing, two sets of this clamp are used to clamp two bonded cement blocks respectively. Then, the first locking plate is pulled to perform a tensile test, obtaining accurate test data that more closely approximates real-world conditions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is an exploded view of the overall structure of this utility model;

[0020] Figure 3 This is a half-sectional view of the first snap-fit ​​plate mounting structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of a single part of the second locking plate of this utility model;

[0022] Figure 5 This is a schematic diagram of the installation structure of the third locking plate of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the first sliding shaft assembly of this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the second sliding shaft assembly of this utility model;

[0025] Figure 8 This is a schematic diagram of the connecting groove tube structure of this utility model.

[0026] In the figure: 1. First locking plate; 2. Connecting hole; 3. Sliding groove; 4. Side plate; 5. Support block; 6. First sliding shaft assembly; 7. Second sliding shaft assembly; 8. Second locking plate; 9. Sliding clearance groove; 10. Connecting groove tube; 11. First compression spring; 12. Support plate; 13. Second compression spring; 14. Third locking plate; 15. Sliding block; 16. Anti-detachment block. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. Example

[0028] The cement block tensile testing fixture in this embodiment, such as Figure 1 and Figure 2 As shown, it includes a first locking plate 1, a second locking plate 8, and a third locking plate 14; wherein, the right half of the first locking plate 1 is provided with a connecting hole 2 and a sliding groove 3, and the bottom of the first locking plate 1 is provided with a first sliding shaft assembly 6, as shown. Figure 3 As shown.

[0029] Combination Figure 4 As shown, the second locking plate 8 includes two parts disposed on the front and rear sides of the first locking plate 1. The two parts of the second locking plate 8 are connected by a first compression spring 11, and each of the two parts of the second locking plate 8 is provided with a second sliding shaft assembly 7 that cooperates with the first sliding shaft assembly 6. In use, the two parts of the second locking plate 8 are separated, the first compression spring 11 is stretched, and the first locking plate 1 is placed in the middle of the two parts of the second locking plate 8. Under the action of the first compression spring 11, the two parts of the second locking plate 8 approach each other, so that the second sliding shaft assembly 7 on the two parts engages with the first sliding shaft assembly 6 from the front and rear sides, thereby connecting the first locking plate 1 and the second locking plate 8.

[0030] Combination Figure 5As shown, the third locking plate 14 includes a support plate 12 fixed on the first locking plate 1 and a clamping part slidably connected to the sliding groove 3. The support plate 12 and the sliding block 15 are connected by a second compression spring 13.

[0031] In this embodiment, the cement block is placed on the first clamping plate 1. Under the action of the first compression spring 11, the front and rear sides are clamped by the two parts of the second clamping plate 8 respectively, and under the action of the second compression spring 13, the left and right sides are clamped by the clamping parts of the first clamping plate 1 and the third clamping plate 14 respectively, thereby achieving the clamping and fixing of the cement block. The two cement blocks are clamped by the two fixing clamps mentioned above, which facilitates the tensile test. Example

[0032] This embodiment is a further design based on Embodiment 1, specifically as follows: Figure 3 As shown, the first clamping plate 1 is an "L"-shaped bent plate, including vertical plates and horizontal plates that are connected to each other. When in use, the cement block is placed on the horizontal plate of the bent plate, and the left and right sides of the cement block are clamped by the vertical plates and clamping parts.

[0033] The first snap-fit ​​plate 1 has side plates 4 on both sides of the horizontal plate away from the vertical plate. The two ends of the support plate 12 are fixed on the side plates 4 respectively. The side plates 4 are vertically distributed rectangular plates. The bottom of the horizontal plate of the first snap-fit ​​plate 1 is fixedly connected to the support block 5, which is a rectangular block.

[0034] like Figure 5 As shown, the clamping part of the third locking plate 14 is an "L"-shaped bent plate with a sliding block 15 at the bottom. The sliding block 15 is slidably connected in the sliding groove 3. The sliding block 15 has a "T"-shaped structure, and its bottom passes through the sliding groove 3 and is equipped with an anti-detachment block 16. The anti-detachment block 16 is a rectangular block that allows the sliding block 15 to slide stably left and right. The support plate 12 of the third locking plate 14 is a vertically arranged rectangular plate. There are two second compression springs 13, which can provide a thrust between the clamping part of the third locking plate 14 and the support plate 12.

[0035] Combination Figure 6 and Figure 7 As shown, the first sliding shaft assembly 6 is located at the bottom of the horizontal plate and is composed of several rectangular first sliding shafts with grooves spaced apart. A sliding groove is formed between two adjacent first sliding shafts. Correspondingly, the second sliding shaft assembly 7 is composed of several rectangular second sliding shafts with protrusions. In use, the second sliding shafts on the two parts of the second locking plate 8 slide into the sliding grooves from the front and rear sides respectively, so that the second locking plate 8 can be adjusted back and forth relative to the first locking plate 1, but cannot be adjusted left and right.

[0036] Combination Figure 8As shown, the bottom of the two parts of the second locking plate 8 is provided with three oppositely arranged connecting grooves 10. The connecting groove 10 is a rectangular shell with an opening on one side. The two ends of the first compression spring 11 are respectively connected to the two oppositely arranged connecting grooves 10, which can make the two parts of the second locking plate 8 have tension.

[0037] In this embodiment, the bottom surface of the support block 5 and the bottom surface of the connecting groove tube 10 of the second clamping plate 8 are located in the same plane, which can make the left and right ends of the bottom of the fixture in a balanced state.

[0038] The two parts of the second locking plate 8 are provided with sliding clearance grooves 9 for the anti-detachment block 16 to pass through at the sliding groove 3. The sliding clearance grooves 9 are all rectangular grooves, so that when the clamping part of the third locking plate 14 moves towards the vertical plate of the first locking plate 1 under the action of the second compression spring 13, the anti-detachment block 16 can slide into the sliding clearance groove 9.

[0039] In this embodiment, a connection hole 2 for connecting a tensile testing device is provided at the end of the horizontal plate away from the vertical plate of the first snap plate 1.

[0040] In use, the second sliding shaft assemblies 7 of the two parts of the second locking plate 8 are slid into the first sliding shaft assembly 6, respectively, and connected by two sets of connecting groove tubes 10 connected by the first compression spring 11. The distance between the two second locking plates 8 can be adjusted according to the width of the cement block. The sliding block 15 can slide left and right along the sliding groove 3 of the first locking plate 1. The third locking plate 14, which is fixedly connected to the sliding block 15, provides a leftward pushing force through the second compression spring 13 fixedly connected to the support plate 12. The cement block can be locked by the third locking plate 14. Prepare two cement blocks that have been bonded and take two of these clamps. Pull the two parts of the second locking plate 8 to the front and back sides respectively to lock the cement block into the two parts of the second locking plate. Between plates 8, pull the third locking plate 14 to the right to compress the second compression spring 13, so that the cement block can be completely placed in the test groove formed by the cooperation of the first locking plate 1 and the second locking plate 8. Release the third locking plate 14 to allow the second compression spring 13 to rebound, and the cement block can be locked by the third locking plate 14. The cement block can be clamped by the device. Similarly, another cement block can be clamped. Fix the two connecting holes 2 of the device by the pull rope of the cement block tensile testing machine, and the test can be carried out. The device can adapt to cement blocks of different widths and lengths, can stably clamp the cement block without damaging the integrity of the cement block, and can obtain accurate test data, making the test results closer to the real situation.

[0041] The technical solutions of this utility model are not limited to the above embodiments. All technical solutions obtained by equivalent substitution fall within the scope of protection claimed by this utility model.

Claims

1. A fixing fixture for testing the tensile strength of a cement block, characterized in that: The first locking plate (1), the second locking plate (8), and the third locking plate (14) are included. The first locking plate (1) is provided with a sliding groove (3) and a first sliding shaft assembly (6) is provided at the bottom of the first locking plate (1). The second locking plate (8) includes two parts disposed on the front and rear sides of the first locking plate (1). The two parts of the second locking plate (8) are connected by a first compression spring (11), and the two parts of the second locking plate (8) are respectively provided with a second sliding shaft assembly (7) that cooperates with the first sliding shaft assembly (6). The third locking plate (14) includes a support plate (12) fixed on the first locking plate (1) and a clamping part slidably connected to the sliding groove (3). The support plate (12) and the sliding block (15) are connected by a second compression spring (13). The cement block is placed on the first clamping plate (1), and is clamped by two parts of the second clamping plate (8) on the front and back sides respectively, and by the clamping parts of the first clamping plate (1) and the third clamping plate (14) on the left and right sides respectively.

2. The cement block tensile testing fixture according to claim 1, characterized in that: The first clamping plate (1) is an "L"-shaped bent plate, including vertical plates and horizontal plates connected to each other. The cement block is placed on the horizontal plate of the bent plate, and one side of the cement block is clamped by the vertical plate.

3. The cement block tensile testing fixture according to claim 2, characterized in that: The first locking plate (1) has side plates (4) on both sides of the horizontal plate away from the vertical plate, and the two ends of the support plate (12) are fixed on the two side plates (4) respectively.

4. The cement block tensile testing fixture according to claim 3, characterized in that: The first sliding shaft assembly (6) is located at the bottom of the horizontal plate and is composed of several first sliding shafts spaced apart. A groove is formed between two adjacent first sliding shafts. The second sliding shaft assembly (7) is composed of several second sliding shafts. The second sliding shafts on the two parts of the second locking plate (8) are slidably connected to the groove from the front and rear sides respectively.

5. The cement block tensile testing fixture according to claim 4, characterized in that: The bottom of the two parts of the second locking plate (8) are respectively provided with oppositely arranged connecting grooves (10), and the two ends of the first compression spring (11) are respectively connected to the two oppositely arranged connecting grooves (10).

6. The cement block tensile testing fixture according to claim 5, characterized in that: The bottom of the clamping part of the third clamping plate (14) is provided with a sliding block (15), which is slidably connected in the sliding groove (3).

7. The cement block tensile testing fixture according to claim 6, characterized in that: The bottom of the sliding block (15) passes through the sliding groove (3) and is provided with an anti-detachment block (16).

8. The cement block tensile testing fixture according to any one of claims 2 to 7, characterized in that: The bottom of the horizontal plate of the first locking plate (1) away from the vertical plate is provided with a support block (5), and the bottom surface of the support block (5) and the bottom surface of the connecting groove tube (10) of the second locking plate (8) are in the same plane.

9. The cement block tensile testing fixture according to claim 8, characterized in that: The two parts of the second locking plate (8) are provided with sliding clearance grooves (9) for the anti-detachment block (16) to pass through at the sliding groove (3).

10. The cement block tensile testing fixture according to claim 9, characterized in that: The first locking plate (1) has a connection hole (2) for connecting a tensile testing device at the end of the horizontal plate away from the vertical plate.

Images