Fixture for tensile test of building material

Abstract

The utility model discloses a clamp for a building material tensile test, which particularly relates to the technical field of mechanical engineering and comprises a support assembly, and a detection assembly is arranged at the bottom of the support assembly. The detection assembly comprises a top disc, the bottom of the top disc is rotatably connected with a central gear, two sides of the central gear are engaged with racks, one side of each rack is fixedly connected with a sliding frame, the bottom of one side of each sliding frame is fixedly connected with a sliding frame, the top of one sliding frame is fixedly connected with a connecting column, and the outer side of each rack is provided with a connecting frame. The bottoms of the connecting frames are fixedly connected with a plurality of pulleys, and the bottoms of the sliding frames are fixedly connected with clamping mechanisms. The clamp for the building material tensile test solves the problems that when an existing clamp for the building material tensile test is used, due to the fact that the surface roughness of iron sheets is different, the slipping phenomenon may be caused, due to the fact that the clamping force is too large, the iron sheets may be deformed or damaged, and due to the fact that the force is too small, the iron sheets fall off and slide off in the test process, and the accuracy of the test result is affected, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering technical field more specifically, the utility model relates to a kind of fixture for building material tensile test. BACKGROUND

[0002] At present, with the rapid development of economy, the construction industry obtains large-scale rapid development, the most long used in construction is building material product, but with the decline of building material product quality, lead to many buildings exist security risk, cannot provide personal safety guarantee to householder, thus need to test building material product.

[0003] But the existing building material tensile test fixture in building material tensile test, due to the roughness of the surface of iron sheet is different, possibly lead to the contact between clamping device and it is uneven or unstable, for example, iron sheet surface is too smooth, possibly lead to skidding phenomenon, if clamping strength is too large, possibly lead to iron sheet deformation or damage, and the strength is too small to fall off and slide in test process, affect the accuracy of test result problem.Therefore, a kind to be launched building material tensile test fixture, to solve such problems. UTILITARIAN CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a kind of fixture for building material tensile test, the technical problems to be solved by the utility model are: the existing building material tensile test fixture, when using, due to the roughness of the surface of iron sheet is different, possibly lead to skidding phenomenon, clamping strength is too large, possibly lead to iron sheet deformation or damage, and the strength is too small to fall off and slide in test process, affect the accuracy of test result problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of fixture for building material tensile test, including support assembly, the support assembly bottom is provided with detection component;

[0006] The detection component includes top disc, the top disc bottom is rotatably connected with center gear, the center gear both sides are engaged with rack, the rack one side is all fixedly connected with sliding frame, the sliding frame one side bottom is all fixedly connected with sliding frame, and one of the sliding frame top is fixedly connected with connecting column, the rack outside is all provided with connecting frame, the connecting frame bottom is all fixedly connected with multiple pulleys, and the sliding frame bottom is all fixedly connected with clamping mechanism.

[0007] In a preferred implementation, the clamping mechanism includes a fixed block, the bottom side of the fixed block is fixedly connected with a limiting frame, the bottom side of the fixed block away from the limiting frame is fixedly connected with a first clamping block, the side of the first clamping block close to the limiting frame is provided with a second clamping block, the limiting frame, the first clamping block and the second clamping block are provided with a screw rod penetrating through the side surface, the limiting frame is provided with a limiting disc, one end of the screw rod provided outside the limiting frame is sleeved with a rotating rod, and the inner side of the first clamping block and the second clamping block is fixedly connected with a friction block.

[0008] In a preferred implementation, the support assembly includes a support, the top of the support is provided with a plurality of sliding rails, the inner wall of the bottom of the support is fixedly connected with a plurality of connecting blocks on both sides, the inner side of the connecting block is fixedly connected with a sliding column, the top of the support is fixedly connected with a connecting seat, one side of the connecting seat is fixedly connected with a telescopic cylinder, and the telescopic end of the telescopic cylinder is fixedly connected with a connector.

[0009] In a preferred implementation, the sliding frame is fixedly connected with the sliding frame, and is sleeved with each other on the rack.

[0010] In a preferred implementation, the limiting disc is fixedly sleeved on the outer surface of the limiting disc, the surface of the friction block is provided with a plurality of tapered bodies, and the second clamping block slides through the rotation of the screw rod.

[0011] In a preferred implementation, the surface of the plurality of sliding columns intersects with the sliding frame, the connecting column is connected with the connector by penetrating the sliding rail, and the connecting frame intersects with the middle of the top of the support on both sides.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1, the utility model discloses a support assembly, detection assembly and clamping mechanism are set up, can directly place the patch building material that needs to test between the first clamping block and the second clamping block in the later use, the rotating rod on two clamping mechanisms is rotated, the first clamping block and the second clamping block clamp the test piece of the inner side, the tapered body of the inner side of two friction blocks contacts between the test piece, by this mode, the friction between the test piece and the fixture is improved, the roughness of the surface of the iron sheet is different, and the problem that the test result accuracy is influenced is solved.

[0014] 2. This utility model, by providing a support assembly, a detection assembly, and a clamping mechanism, allows for the direct placement of a long strip-shaped test piece around the pulley surface at the bottom of the rack and connecting frame during later use. Activating the telescopic cylinder and the telescopic movement of the connecting column moves one of the sliding frames to detect the strength and maximum durability of the long strip-shaped test piece. This adds an additional detection function to the device, improving its practicality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the support assembly structure of this utility model.

[0017] Figure 3 This is an exploded view of the detection component structure of this utility model.

[0018] Figure 4 This is an exploded view of the clamping mechanism of this utility model.

[0019] The attached figures are labeled as follows: 1. Support assembly; 11. Support; 12. Sliding rail; 13. Connecting block; 14. Sliding column; 15. Connecting seat; 16. Telescopic cylinder; 17. Connector; 2. Detection assembly; 21. Top plate; 22. Central gear; 23. Rack; 24. Sliding frame; 25. Sliding frame; 26. Connecting column; 27. Connecting frame; 28. Pulley; 29. ​​Clamping mechanism; 291. Fixing block; 292. Limiting frame; 293. First clamping block; 294. Second clamping block; 295. Screw; 296. Limiting plate; 297. Rotating rod; 298. Friction block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] This utility model provides a fixture for tensile testing of building materials, including a support assembly 1, and a detection assembly 2 is provided at the bottom of the support assembly 1;

[0022] The detection component 2 includes a top plate 21, a central gear 22 rotatably connected to the bottom of the top plate 21, racks 23 meshing on both sides of the central gear 22, a sliding frame 24 fixedly connected to one side of each rack 23, a sliding frame 25 fixedly connected to the bottom of one side of each sliding frame 24, a connecting column 26 fixedly connected to the top of one of the sliding frames 24, a connecting frame 27 provided on the outer side of each rack 23, multiple pulleys 28 fixedly connected to the bottom of each connecting frame 27, and a clamping mechanism 29 fixedly connected to the bottom of each sliding frame 24.

[0023] The clamping mechanism 29 includes a fixing block 291. A limiting frame 292 is fixedly connected to one side of the bottom of the fixing block 291. A first clamping block 293 is fixedly connected to the bottom of the fixing block 291 away from the limiting frame 292. A second clamping block 294 is provided on the side of the first clamping block 293 close to the limiting frame 292. A screw 295 is provided through the sides of the limiting frame 292, the first clamping block 293, and the second clamping block 294. A limiting plate 296 is provided inside the limiting frame 292. A rotating rod 297 is sleeved on one end of the screw 295 outside the limiting frame 292. Friction blocks 298 are fixedly connected to the inner sides of both the first clamping block 293 and the second clamping block 294.

[0024] The bracket assembly 1 includes a bracket 11, with multiple sliding rails 12 on the top of the bracket 11. Multiple connecting blocks 13 are fixedly connected to both sides of the bottom inner wall of the bracket 11. A sliding column 14 is fixedly connected to the inner side of the connecting block 13. A connecting seat 15 is fixedly connected to the top of the bracket 11. A telescopic cylinder 16 is fixedly connected to one side of the connecting seat 15. A connector 17 is fixedly connected to the telescopic end of the telescopic cylinder 16.

[0025] The sliding frame 25 is fixedly connected to the sliding bracket 24 and is nested on the rack 23. The bottom of the rack 23 away from the sliding bracket 24 is fixedly connected to a pulley 28.

[0026] The limiting plate 296 is fixedly sleeved on the outer surface of the limiting plate 296, the friction block 298 has multiple cones on its surface, and the second clamping block 294 slides by rotating the screw 295.

[0027] Among them, the surfaces of multiple sliding columns 14 intersect with the sliding frame 24, the connecting column 26 is connected to the connector 17 through the penetrating sliding rail 12, and the connecting frame 27 intersects with the top middle two sides of the bracket 11.

[0028] Working principle of this utility model:

[0029] In use, the test piece can be placed directly between the first clamping block 293 and the second clamping block 294. By rotating the rotating rod 297 on the two clamping mechanisms 29, the first clamping block 293 and the second clamping block 294 clamp the inner test piece. At this time, the conical bodies on the inner sides of the two friction blocks 298 contact the test piece. In this way, the friction between the test piece and the clamp is increased, which solves the problems that may occur due to the different surface roughness of the iron sheet, such as slippage, deformation or damage of the iron sheet due to excessive clamping force, and slippage during the test due to insufficient force, thus affecting the accuracy of the test results. Alternatively, a long strip of test piece can be placed on the surface of the pulley 28 at the bottom of the rack 23 and the connecting frame 27. The telescopic cylinder 16 is activated, and the telescopic movement of the telescopic cylinder 16 and the connecting column 26 drives one of the sliding frames 25 to move to test the strength and maximum endurance of the long strip of test piece. This adds another testing function to the device and improves its practicality.

[0030] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0031] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fixture for tensile testing of building materials, comprising a support assembly (1), characterized in that: The support assembly (1) is provided with a detection assembly (2) at its bottom; The detection component (2) includes a top plate (21), a central gear (22) is rotatably connected to the bottom of the top plate (21), racks (23) mesh on both sides of the central gear (22), a sliding frame (24) is fixedly connected to one side of each rack (23), a sliding frame (25) is fixedly connected to the bottom of one side of each sliding frame (24), a connecting column (26) is fixedly connected to the top of one of the sliding frames (24), a connecting frame (27) is provided on the outer side of each rack (23), a plurality of pulleys (28) are fixedly connected to the bottom of each connecting frame (27), and a clamping mechanism (29) is fixedly connected to the bottom of each sliding frame (24).

2. The fixture for tensile testing of building materials according to claim 1, characterized in that: The clamping mechanism (29) includes a fixing block (291), a limiting frame (292) is fixedly connected to one side of the bottom of the fixing block (291), a first clamping block (293) is fixedly connected to the side of the bottom of the fixing block (291) away from the limiting frame (292), a second clamping block (294) is provided on the side of the first clamping block (293) close to the limiting frame (292), a screw (295) is provided through the side of the limiting frame (292), the first clamping block (293) and the second clamping block (294), a limiting disk (296) is provided inside the limiting frame (292), a rotating rod (297) is sleeved on one end of the screw (295) outside the limiting frame (292), and friction blocks (298) are fixedly connected to the inner sides of the first clamping block (293) and the second clamping block (294).

3. The fixture for tensile testing of building materials according to claim 1, characterized in that: The bracket assembly (1) includes a bracket (11), the top of the bracket (11) is provided with multiple sliding rails (12), the bottom inner wall of the bracket (11) is fixedly connected with multiple connecting blocks (13) on both sides, the inner side of the connecting block (13) is fixedly connected with a sliding column (14), the top of the bracket (11) is fixedly connected with a connecting seat (15), one side of the connecting seat (15) is fixedly connected with a telescopic cylinder (16), and the telescopic end of the telescopic cylinder (16) is fixedly connected with a connector (17).

4. A fixture for tensile testing of building materials according to claim 1, characterized in that: The sliding frame (25) is fixedly connected to the sliding bracket (24) and is sleeved on the rack (23). The bottom of the rack (23) away from the sliding bracket (24) is fixedly connected to a pulley (28).

5. A fixture for tensile testing of building materials according to claim 2, characterized in that: The limiting disk (296) is fixedly sleeved on the outer surface of the limiting disk (296), and the surface of the friction block (298) is provided with multiple cones. The second clamping block (294) slides by rotating the screw (295).

6. A fixture for tensile testing of building materials according to claim 3, characterized in that: The surfaces of the multiple sliding columns (14) intersect with the sliding frame (24), the connecting column (26) is connected to the connector (17) through the penetrating sliding rail (12), and the connecting frame (27) intersects with the top middle two sides of the bracket (11).

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