Device for testing breaking strength of concrete pavement brick

Abstract

The utility model discloses a concrete pavement brick flexural strength testing device, which relates to the field of concrete pavement brick detection, comprises a bottom plate assembly, and is characterized in that a mounting bracket is arranged at the top of the bottom plate assembly, a pressurizing assembly is arranged at the top of an inner cavity of the mounting bracket, and a fixing assembly is arranged at the top of the bottom plate assembly; the mounting support is arranged above the fixing assembly, a locking assembly is arranged in the right side of the fixing assembly, a drawer is arranged at the bottom of the bottom plate assembly, the pressurizing assembly comprises a hydraulic rod arranged at the top of the mounting support, a pressurizing body is arranged at the execution end of the hydraulic rod, and limiting blocks are arranged at the two ends of the pressurizing body; and limiting grooves matched with the limiting blocks are formed in the front side and the rear side of the mounting support correspondingly, the hydraulic rod, the pressurizing body, the limiting blocks, the limiting grooves and other parts are matched, the pressurizing body can be stably and vertically moved up and down, then the service life of the pressurizing assembly can be prolonged, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete pavement brick detection, in particular to a concrete pavement brick flexural strength testing device. Background Art

[0002] Concrete paver bricks are a building material used for paving roads. The concrete paver brick flexural strength tester is a specialized device used to test the flexural strength of concrete paver bricks. This tester can be used to test the flexural strength of concrete paver bricks according to the methods specified in relevant standards to determine whether the bricks meet design and usage requirements. Flexural strength is one of the most important indicators for measuring the quality and durability of concrete paver bricks.

[0003] After searching, the existing Chinese patent announcement number is: CN209707237U, which provides a concrete pavement brick flexural strength test device. The patent "includes a base and a bearing, pillars are symmetrically fixed on the left and right sides of the middle of the top of the base, the top of the pillar is fixedly connected to the top platform, the bottom end of the hydraulic rod is fixedly connected to the mounting clamp, the lower end of the mounting clamp is clamped with a pressure body, the front and rear sides of the base are symmetrically fixed with a front support and a rear support respectively, the front support is fixedly connected to the driving screw through a bearing, the top of the front end of the driving screw is fixedly connected to a rotating block, the top of the T-shaped slider is clamped with a support body, the outside of the support body is fixedly connected with an adjusting baffle, the left end of the base is fixedly connected to a measuring platform, and the left end of the base is evenly provided with measuring scales above the measuring platform. The utility model provides a device with good measurement accuracy and can avoid accidental injury to staff."

[0004] However, in the above-mentioned patent, when conducting a flexural test on concrete pavement bricks, it cannot be guaranteed that the bricks will break under pressure for a long time, and the pressurizing body will not shift. Therefore, after the next test, it is impossible to apply pressure to the center of the upper surface of the brick to test the strength, which will lead to continuous damage to the pressurizing body and reduce the efficiency of the device. Utility Model Content

[0005] The purpose of the present utility model is to provide a flexural strength test device for concrete pavement bricks, so as to solve the problem raised in the above-mentioned background technology that in the flexural strength test of concrete pavement bricks, it is impossible to ensure that the bricks will not break under pressure for a long time, and the pressurizing body is easy to deviate, resulting in difficulty in pressurizing the center part of the upper surface of the brick to test the strength in the next experiment, thereby causing the pressurizing body to be continuously damaged and reducing the efficiency of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete pavement brick flexural strength testing device, comprising a base plate assembly, characterized in that: a mounting bracket is provided on the top of the base plate assembly, a pressurizing assembly is provided on the top of the inner cavity of the mounting bracket, a fixing assembly is provided on the top of the base plate assembly, and the mounting bracket is provided above the fixing assembly, a locking assembly is provided inside the right side of the fixing assembly, and a drawer is provided at the bottom of the base plate assembly.

[0007] Preferably, the pressurizing assembly includes a hydraulic rod arranged on the top of the mounting bracket, a pressurizing body is provided at the execution end of the hydraulic rod, limiting blocks are provided at both ends of the pressurizing body, and limiting grooves matching the limiting blocks are provided on the front and rear sides of the mounting bracket.

[0008] Preferably, the base plate assembly includes a base plate, and a cleaning groove is opened in the middle of the base plate.

[0009] Preferably, the fixing assembly includes a first screw rod, a turntable is provided on the right periphery of the first screw rod, a driving gear is provided on the right periphery of the first screw rod, and a groove that matches the movement of the fixing assembly is opened inside the right side of the base plate, a chain is provided on the periphery of the driving gear, a driven gear is provided at the other end of the chain, a second screw rod is provided in the middle of the driven gear, and clamping blocks are provided on the peripheries of both the first and second screw rods, two groups of pressure detectors are provided on both sides of the top of the clamping block, and the lower side of the clamping block is slidably connected to the upper surface of the base plate.

[0010] Preferably, the locking assembly includes a mounting block, a limiting plate is arranged inside the mounting block, and a limiting groove matching the limiting plate is opened inside the mounting block, a limiting rod is arranged inside the limiting plate, a spring is arranged on the outer periphery of the limiting rod, an auxiliary rod is arranged on the lower side of the limiting rod, and a disc groove is arranged inside the right side of the base plate assembly, and the size of the disc groove matches the end size of the auxiliary rod.

[0011] Preferably, the left end of the spring is arranged on the right side of the limiting plate, and the right end of the spring is in contact with the right inner wall of the mounting block.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The cooperation among the hydraulic rod, pressurizing body, limiting block and limiting groove can stably move the pressurizing body vertically up and down, thereby extending the service life of the pressurizing component and improving the efficiency of the device.

[0014] 2. The disc groove, spring, limit plate, limit groove and limit rod are coordinated with each other, so that after the bricks are fixed, the rotation of the turntable can be locked, thereby preventing the turntable from rotating, thereby improving the test effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cleaning tank structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the spring structure of the utility model.

[0018] In the figure: 1. Mounting bracket; 2. Pressurizing assembly; 21. Hydraulic rod; 22. Pressurizing body; 23. Limiting block; 24. Limiting groove; 3. Bottom plate assembly; 31. Bottom plate; 32. Cleaning groove; 4. Locking assembly; 41. Disc groove; 42. Spring; 43. Limiting plate; 44. Limiting groove; 45. Limiting rod; 46. Auxiliary rod; 47. Mounting block; 5. Fixing assembly; 51. Turntable; 52. First screw; 53. Driving gear; 54. Chain; 55. Clamping block; 56. Pressure detector; 57. Driven gear; 58. Second screw; 6. Drawer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 The utility model provides a technical solution: a concrete pavement brick flexural strength test device, including a base plate assembly 3, a mounting bracket 1 is provided on the top of the base plate assembly 3, the base plate assembly 3 is convenient for stable installation of the mounting bracket 1, and a pressurizing assembly 2 is provided in the inner cavity of the mounting bracket 1, which facilitates and stably moves the pressurizing assembly 2 vertically, and a fixing assembly 5 is provided on the top of the base plate assembly 3. The fixing assembly 5 is convenient for fixing the bricks, and the mounting bracket 1 is provided above the fixing assembly 5, and a locking assembly 4 is provided inside the right side of the fixing assembly 5. The turntable 51 can stably lock the rotation of the turntable 51 through the locking assembly 4, and a drawer 6 is provided at the bottom of the base plate assembly 3, and the drawer 6 is used to clean up the debris in a unified manner.

[0021] The pressurizing assembly 2 includes a hydraulic rod 21 arranged on the top of the mounting bracket 1. A pressurizing body 22 is provided at the execution end of the hydraulic rod 21. The hydraulic rod 21 drives the pressurizing body 22 to move vertically up and down on the inner wall of the mounting bracket 1. Limiting blocks 23 are provided at both ends of the pressurizing body 22. The limiting blocks 23 have a limiting effect, and limiting grooves 24 matching the limiting blocks 23 are provided on the front and rear sides of the mounting bracket 1. The limiting blocks 23 slide inside the limiting grooves 24 driven by the pressurizing body 22.

[0022] The bottom plate assembly 3 includes a bottom plate 31 , and a cleaning groove 32 is opened in the middle of the bottom plate 31 . The cleaning groove 32 can clean the debris of the broken bricks that fall into the drawer 6 .

[0023] The fixing assembly 5 includes a first screw rod 52, which is arranged inside the front side of the base plate 31. A turntable 51 is provided on the right periphery of the first screw rod 52. The turntable 51 drives the first screw rod 52 to rotate inside the base plate 31. A driving gear 53 is provided on the right periphery of the first screw rod 52. The first screw rod 52 drives the driving gear 53 to rotate, and a groove that matches the movement of the fixing assembly 5 is opened inside the right side of the base plate 31. The driving gear 53 rotates inside the groove through the drive of the first screw rod 52. A chain 54 is provided on the periphery of the driving gear 53. The driving gear 53 drives the chain 54 meshed with it to rotate. A driven gear 57 is provided at the other end of the chain 54. By driving the chain 54 to rotate, a driven gear 57 engaged with it is provided with a second screw rod 58 in the middle of the driven gear 57, and the driven gear 57 drives the second screw rod 58 to rotate inside the base plate 31. The outer periphery of the first screw rod 52 and the second screw rod 58 are provided with clamping blocks 55, which can stably rotate inside the base plate 31. Two groups of pressure detectors 56 are provided on both sides of the top of the clamping block 55. The pressure detectors 56 are provided on the lower surface of the brick to facilitate stable rotation inside the base plate 31, and the lower side of the clamping block 55 is slidably connected to the upper surface of the base plate 31. The clamping block 55 is driven by the first screw rod 52 and the second screw rod 58 to move inside the groove opened at the top of the base plate 31.

[0024] The locking assembly 4 includes a mounting block 47, a limiting plate 43 is provided inside the mounting block 47, and a limiting groove 44 matching the limiting plate 43 is opened inside the mounting block 47, and the limiting rod 45 drives the limiting plate 43 to slide inside the limiting groove 44 opened inside the mounting block 47, and a limiting rod 45 is provided inside the limiting plate 43, and the limiting rod 45 drives the limiting plate 43 to slide inside the limiting groove 44, and a spring 42 is provided on the outer periphery of the limiting rod 45, and the limiting rod 45 drives the spring 42 to deform inside the limiting groove 44, and an auxiliary rod 46 is provided on the lower side of the limiting rod 45, and the top of the auxiliary rod 46 is rotatably connected to the right end of the limiting rod 45, and a disc groove 41 is provided inside the right side of the base plate assembly 3, and the size of the disc groove 41 matches the end size of the auxiliary rod 46, and the disc groove 41 has a limiting effect.

[0025] The left end of the spring 42 is arranged on the right side of the limit plate 43. The right end of the spring 42 is in contact with the right inner wall of the mounting block 47. The spring 42 is fixed to the limit plate 43 and the inner wall of the limit groove 44. By pulling the limit rod 45, the limit plate 43 is driven to stably deform inside the limit groove 44.

[0026] Working principle: When using the present concrete pavement brick flexural strength test device, the concrete pavement brick to be tested is placed on the upper surface of the pressure detector 56 provided on the top of the adjusted fixing assembly 5, and then the fixing assembly 5 drives the concrete pavement brick to be stably fixed, wherein the turntable 51 is rotated to drive the first screw rod 52 to rotate, and then the peripheral driving gear 53 is driven to rotate, and at the same time the chain 54 is driven to rotate, and then the driven gear 57 is driven to rotate, and then the second screw rod 58 is driven to rotate, and then the second screw rod 58 and the clamping block 55 threadedly connected to the outer periphery of the first screw rod 52 are driven to stably fix the concrete pavement brick directly under the pressurizing body 22, so that when the pressurizing body 22 is used, pressure can be applied to the middle of the concrete pavement brick when the pressurizing assembly 2 is used, so that the concrete pavement brick can be better tested. Before using the pressurizing assembly 2, the auxiliary rod 46 is rotated downward, and the limit plate 43 is slid into the mounting block 47 under the elastic potential energy of the spring 42. The limit groove 44 opened on the part drives the left side of the limit rod 45 to fit into the right side of the disc groove 41, thereby completing the locking of the turntable 51, thereby stably fixing the concrete pavement brick. Then, the pressure component 2 set on the top of the mounting bracket 1 is used to start the hydraulic rod 21 to drive the pressure body 22 at the execution end, thereby driving the limit blocks 23 at both ends of the pressure body 22, and sliding inside the limit groove 24, thereby stably moving the pressure body 22 vertically up and down on the inner wall of the mounting bracket 1. Then, the pressure of the pressure body 22 on the concrete pavement brick can be stably detected under the pressure detection of the pressure detector 56. If the concrete pavement brick is broken under the pressure of the pressure body 22, the anti-bending value of the concrete pavement brick can be obtained, and then the debris can be cleaned into the drawer 6 through the cleaning groove 32 opened inside the bottom plate 31 for unified cleaning to complete a test. A scale is provided on the front side of the upper surface of the bottom plate 31 to obtain the size of the concrete pavement brick.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete pavement brick flexural strength test device, comprising a base plate assembly (3), characterized in that: A mounting bracket (1) is provided on the top of the base plate assembly (3), a pressurizing assembly (2) is provided on the top of the inner cavity of the mounting bracket (1), a fixing assembly (5) is provided on the top of the base plate assembly (3), and the mounting bracket (1) is provided above the fixing assembly (5), a locking assembly (4) is provided inside the right side of the fixing assembly (5), and a drawer (6) is provided at the bottom of the base plate assembly (3).

2. A concrete pavement brick flexural strength testing device according to claim 1, characterized in that: The pressurizing assembly (2) comprises a hydraulic rod (21) arranged on the top of the mounting bracket (1); a pressurizing body (22) is provided at the execution end of the hydraulic rod (21); limiting blocks (23) are provided at both ends of the pressurizing body (22); and limiting grooves (24) matching the limiting blocks (23) are provided on both the front and rear sides of the mounting bracket (1).

3. A concrete pavement brick flexural strength testing device according to claim 1, characterized in that: The bottom plate assembly (3) comprises a bottom plate (31), and a cleaning groove (32) is provided in the middle of the bottom plate (31).

4. A concrete pavement brick flexural strength testing device according to claim 1, characterized in that: The fixing assembly (5) includes a first screw rod (52), a turntable (51) is provided on the right outer periphery of the first screw rod (52), a driving gear (53) is provided on the right outer periphery of the first screw rod (52), and a groove is provided on the right inner side of the bottom plate (31) to match the movement of the fixing assembly (5), a chain (54) is provided on the outer periphery of the driving gear (53), a driven gear (57) is provided at the other end of the chain (54), and a second screw rod (58) is provided in the middle of the driven gear (57), and a clamping block (55) is provided on the outer periphery of both the first screw rod (52) and the second screw rod (58), two groups of pressure detectors (56) are provided on both sides of the top of the clamping block (55), and the lower side of the clamping block (55) is slidably connected to the upper surface of the bottom plate (31).

5. A concrete pavement brick flexural strength testing device according to claim 1, characterized in that: The locking assembly (4) comprises a mounting block (47), a limiting plate (43) is provided inside the mounting block (47), and a limiting groove (44) matching the limiting plate (43) is provided inside the mounting block (47), a limiting rod (45) is provided inside the limiting plate (43), a spring (42) is provided on the periphery of the limiting rod (45), an auxiliary rod (46) is provided on the lower side of the limiting rod (45), and a disc groove (41) is provided inside the right side of the bottom plate assembly (3), and the size of the disc groove (41) matches the size of the end of the auxiliary rod (46).

6. A concrete pavement brick flexural strength testing device according to claim 5, characterized in that: The left end of the spring (42) is arranged on the right side of the limiting plate (43), and the right end of the spring (42) is in contact with the right inner wall of the mounting block (47).

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