Concrete bending compressive ultimate strength testing device
By combining a pressure testing platform, a support platform, a clamping frame, and a pressure table, the concrete bending compressive strength test device solves the problem that existing devices cannot test the ultimate bending performance of precast concrete components, thus ensuring the safety of the precast components.
Patent Information
- Application Number
- CN202422724643.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing testing equipment for precast concrete components cannot effectively test their bending resilience under extreme conditions, resulting in some precast components with insufficient bending resilience deforming and cracking under load in buildings, creating safety hazards.
A concrete bending compressive ultimate strength testing device was designed. The device uses a combination of a pressure testing platform, a support platform, a clamping frame, a clamping assembly and a pressure table to clamp both ends of a precast concrete component and apply pressure to its center to bend it in order to test its ultimate compressive strength.
The test of the flexural compressive strength of precast concrete components under extreme conditions was realized, ensuring the safety of the precast components under load and avoiding the risk of cracking due to insufficient elasticity.
Smart Images
Figure CN223955349U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of concrete test, especially concrete bending compressive ultimate strength testing device. BACKGROUND
[0002] The prefabricated concrete is an architectural component made by pouring, curing and finishing concrete in a factory through a standardized industrial production mode, and after the prefabricated concrete is processed, a testing device is needed to test the structural strength of the prefabricated concrete to see whether it reaches the strength of the building standard, and the existing testing device only tests the hardness and rigidity of the prefabricated concrete when testing the compressive strength of the prefabricated concrete.
[0003] The existing testing device only tests the hardness and rigidity of the prefabricated concrete when in use, and such a testing device cannot test the bending resilience of the prefabricated concrete under extreme conditions, which may cause some prefabricated concrete with insufficient bending resilience to crack under load deformation in the building and thus cause safety hazards.
[0004] Therefore, in view of the problem that some prefabricated concrete with insufficient bending resilience may crack under load deformation in the building and thus cause safety hazards, a concrete bending compressive ultimate strength testing device can be designed, which clamps the two ends of the prefabricated concrete with a clamping structure and installs a pressure applying structure above the middle section of the prefabricated concrete to apply pressure to the center of the prefabricated concrete, so as to test the bending resilience of the prefabricated concrete under extreme conditions and thus solve the above problem. SUMMARY
[0005] In order to overcome the problem that the existing testing device only tests the hardness and rigidity of the prefabricated concrete when in use, and such a testing device cannot test the bending resilience of the prefabricated concrete under extreme conditions, which may cause some prefabricated concrete with insufficient bending resilience to crack under load deformation in the building and thus cause safety hazards.
[0006] The technical scheme of the utility model is as follows: a concrete bending compressive ultimate strength testing device, which comprises a pressure measuring table, a supporting table, a clamping frame, a clamping assembly and a pressure applying table, a pressure measuring groove is formed in the middle section of the pressure measuring table, the supporting table for supporting the prefabricated concrete is arranged in the pressure measuring groove, the clamping frame for clamping the edge of the prefabricated concrete is arranged above the two ends of the pressure measuring table, the clamping assembly for clamping the prefabricated concrete is arranged above the clamping frame, and the pressure applying table for applying pressure to the prefabricated concrete is arranged above the supporting table.
[0007] Compared with the hardness and rigidity pressure test of the concrete prefabricated part on the market, the application is combined with the pressure measuring table, the pressure measuring groove, the supporting table, the clamping frame, the clamping assembly and the pressure table, so that the worker can lift the concrete prefabricated part to the supporting table, support the concrete prefabricated part to the appropriate height through the supporting table, clamp the two ends of the concrete prefabricated part through the clamping assembly and the clamping frame, reset the supporting table to the original position after clamping, make the concrete prefabricated part hang in the pressure measuring groove, and continuously apply pressure to the center of the concrete prefabricated part through the pressure table, so that the center of the concrete prefabricated part continuously bends under stress, and the limit bending compression strength of the concrete prefabricated part is tested.
[0008] As preferred, the lower end of the supporting table is uniformly provided with four groups of electric telescopic supporting rods, the middle section of the pressure measuring table is provided with a material lifting slope at the front end, the upper end of the pressure table is provided with a height increasing table, and two groups of slide rails are symmetrically laid above the two ends of the clamping table, respectively. The end of the slide rail away from the pressure measuring groove is provided with a limiting block, and the two ends of the clamping table are provided with supporting legs below. Through the combination of the four groups of electric telescopic supporting rods and the material lifting slope, the worker can easily move the concrete prefabricated part to the supporting table through the material lifting slope, and make the two ends of the concrete prefabricated part hang in the air through the height increasing table, so that it is convenient to clamp. At the same time, the electric telescopic supporting rods can push the supporting table to support the concrete prefabricated part to the appropriate position.
[0009] As preferred, two groups of vertical columns are symmetrically arranged at the rear end of the pressure table, the lower end of the two groups of vertical columns is connected with the pressure measuring table, two groups of telescopic pressure rods are symmetrically arranged at the lower end of the pressure table, the lower end of the two groups of telescopic pressure rods is fixedly installed with a pressure block, the inside of the pressure block is provided with a pressure sensor, and the rear end of the pressure table is provided with a two-stage battery pack matched with the telescopic pressure rod. Through the combination of the two groups of telescopic pressure rods and the pressure block, after the concrete prefabricated block is clamped, the two-stage battery pack drives the two groups of telescopic pressure rods to push the pressure block to apply limit pressure to the concrete prefabricated block to make it bend, and at the same time, the pressure sensor in the pressure block senses the pressure data and transmits the pressure data to the terminal for collection and summary.
[0010] As preferred, the clamping frame comprises a frame body and a battery seat, the front end of the frame body is provided with a clamping groove, the upper end of the frame body is provided with a clamping sleeve at the center, the center of the clamping sleeve is provided with a clamping hole, the inner wall of the clamping hole is provided with a threaded groove, and the frame body can clamp the edge of the concrete prefabricated block through the clamping groove.
[0011] As preferred, two groups of sliding grooves are symmetrically arranged at the lower end of the frame body, the sliding grooves and the slide rails are matched with each other, the frame body slides along the slide rails through the sliding grooves, the battery seat is located at the rear end of the frame body, and the inside of the battery seat is provided with a primary battery pack. Through the combination of the slide rails and the sliding grooves, after the concrete prefabricated block is supported to the appropriate position, the primary battery pack can drive the frame body to slide along the slide rails through the sliding grooves, so as to clamp the edge of the concrete prefabricated block into the clamping groove.
[0012] Preferably, the clamping assembly comprises a clamping block and a push rod, the clamping block is located in the clamping groove, the upper end of the clamping block is provided with the push rod, and the push rod and the clamping block are movably connected through the rotating sleeve.
[0013] Preferably, the upper end of the push rod extends to the upper end of the clamping frame through the clamping hole, the upper end of the push rod is fixedly provided with a rotating disc, the outer end of the push rod is provided with a threaded sleeve, and the threaded sleeve and the threaded groove are matched with each other.
[0014] The utility model discloses the beneficial effect that:
[0015] 1、Compared with the test device on the market, only the hardness and rigidity of the concrete prefabricated piece are tested, the pressure measuring table, the pressure measuring groove, the supporting table, the clamping frame, the clamping assembly and the pressure table are combined, so that the worker can lift the concrete prefabricated piece to the supporting table, and the concrete prefabricated piece is supported to the appropriate height through the supporting table, the two ends of the concrete prefabricated piece are clamped by the clamping assembly and the clamping frame, the supporting table is reset to the original position after clamping, the concrete prefabricated piece is suspended on the pressure measuring groove, then the center of the concrete prefabricated piece is continuously pressed through the pressure table, so that the center of the concrete prefabricated piece is continuously bent under stress, the limit bending compression strength of the concrete prefabricated piece is tested, the four groups of electric telescopic supporting rods and the material lifting slope are combined, so that the worker can easily move the concrete prefabricated piece to the supporting table through the material lifting slope, and the two ends of the concrete prefabricated piece are suspended through the heightening table, so that it is convenient to clamp, and the electric telescopic supporting rod can push the supporting table to support the concrete prefabricated piece to the appropriate position, the two groups of telescopic pressure rods and the pressure blocks are combined, so that after the concrete prefabricated piece is clamped, the secondary battery group drives the two groups of telescopic pressure rods to push the pressure blocks to exert limit pressure on the concrete prefabricated piece to make it bend, and the pressure sensor in the pressure block senses the pressure data and transmits the pressure data to the terminal for collection and summarization. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The overall structure schematic diagram of the test device of the utility model is shown.
[0017] Figure 2 The pressure measuring table structure schematic diagram of the test device of the utility model is shown.
[0018] Figure 3The pressure platform structure schematic diagram of the testing device is shown.
[0019] Figure 4 The clamping frame structure schematic diagram of the testing device is shown.
[0020] Figure 5 The clamping assembly structure schematic diagram of the testing device is shown.
[0021] The figure mark explanation: 1, pressure platform; 2, pressure groove; 3, support platform; 4, clamping frame; 401, frame body; 402, clamping groove; 403, clamping sleeve; 404, clamping hole; 405, threaded groove; 406, battery holder; 407, primary battery pack; 408, sliding groove; 5, clamping assembly; 501, clamping block; 502, rotating sleeve; 503, push rod; 504, threaded sleeve; 505, rotating disc; 6, pressure platform; 7, electric telescopic support rod; 8, material lifting slope; 9, heightening platform; 10, supporting leg; 11, sliding rail; 12, limiting block; 13, telescopic pressure rod; 14, pressure block; 15, secondary battery pack; 16, stand column. DETAILED DESCRIPTION
[0022] The utility model is further explained in connection with the drawings and examples.
[0023] Please refer to Figures 1-5 The utility model provides a kind of example: concrete bending compressive ultimate strength testing device, including pressure platform 1, support platform 3, clamping frame 4, clamping assembly 5 and pressure platform 6;The middle section of pressure platform 1 is provided with pressure groove 2, the inside of pressure groove 2 is equipped with the support platform 3 for supporting concrete prefabricated part, the upper portion of both ends of pressure platform 1 is equipped with the clamping frame 4 for clamping the edge of concrete prefabricated part, the upper portion of clamping frame 4 is equipped with the clamping assembly 5 for clamping concrete prefabricated part with clamping frame 4, the upper portion of support platform 3 is equipped with the pressure platform 6 for giving concrete prefabricated part pressure.
[0024] Please refer to Figures 1-3In the embodiment, the lower end of the supporting table 3 is uniformly provided with four groups of electric telescopic supporting rods 7, the middle section of the front end of the measuring table 1 is provided with a lifting slope 8, the upper end of the pressing table 6 is provided with a heightening table 9, two groups of slide rails 11 are symmetrically arranged above the two ends of the clamping table, the end of the slide rail 11 away from the measuring groove 2 is provided with a limiting block 12, and the lower end of the clamping table is provided with a supporting leg 10. Through the combination of the four groups of electric telescopic supporting rods 7 and the lifting slope 8, the staff can easily move the concrete prefabricated part to the supporting table 3 through the lifting slope 8, and the two ends of the concrete prefabricated part are suspended through the heightening table 9, so that the concrete prefabricated part is convenient to clamp. Meanwhile, the electric telescopic supporting rod 7 can push the supporting table 3 to support the concrete prefabricated part to a suitable position. The rear end of the pressing table 6 is symmetrically provided with two groups of vertical columns 16, the lower end of the two groups of vertical columns 16 is connected with the measuring table 1, the lower end of the pressing table 6 is symmetrically provided with two groups of telescopic pressing rods 13, the lower end of the two groups of telescopic pressing rods 13 is fixedly installed with a pressing block 14, the inside of the pressing block 14 is provided with a pressure sensor (the model of the pressure sensor is PT124B-123), the rear end of the pressing table 6 is matched with the telescopic pressing rod 13 and is provided with a secondary battery pack 15. Through the combination of the two groups of telescopic pressing rods 13 and the pressing block 14, after the concrete prefabricated part is clamped, the secondary battery pack 15 drives the two groups of telescopic pressing rods 13 to push the pressing block 14 to exert a limit pressure on the concrete prefabricated part to make it bend. Meanwhile, the pressure sensor in the pressing block 14 senses the pressure data and transmits the pressure data to the terminal for collection and summary.
[0025] Please refer to Figures 2-4 In the embodiment, the clamping frame 4 comprises a frame body 401 and a battery seat 406. The front end of the frame body 401 is provided with a clamping groove 402, the upper end of the frame body 401 is provided with a clamping sleeve 403, the center of the clamping sleeve 403 is provided with a clamping hole 404, the inner wall of the clamping hole 404 is provided with a threaded groove 405. Through the combination of the frame body 401 and the clamping groove 402, the frame body 401 can clamp the edge of the concrete prefabricated part through the clamping groove 402. The lower end of the frame body 401 is symmetrically provided with two groups of sliding grooves 408, the sliding grooves 408 are matched with the slide rails 11, and the frame body 401 slides along the slide rails 11 through the sliding grooves 408. The battery seat 406 is located at the rear end of the frame body 401, and the inside of the battery seat 406 is provided with a primary battery pack 407. Through the combination of the slide rails 11 and the sliding grooves 408, after the concrete prefabricated part is supported to a suitable position, the primary battery pack 407 can drive the frame body 401 to slide along the slide rails 11 through the sliding grooves 408, so as to clamp the edge of the concrete prefabricated part into the clamping groove 402.
[0026] Please refer to Figures 3-5In the embodiment, the clamping assembly 5 comprises a clamping block 501 and a push rod 503. The clamping block 501 is located inside the clamping groove 402. The upper end of the clamping block 501 is provided with the push rod 503. The push rod 503 and the clamping block 501 are movably connected through the rotating sleeve 502. The push rod 503 and the rotating sleeve 502 are combined. When the push rod 503 pushes the clamping block 501 to clamp the concrete precast block in the clamping groove 402, the rotating sleeve 502 can prevent the clamping block 501 from rotating with the push rod 503. The upper end of the push rod 503 extends to the upper end of the clamping frame 4 through the clamping hole 404. The upper end of the push rod 503 is fixedly provided with the rotating disc 505. The outer end of the push rod 503 is provided with the threaded sleeve 504. The threaded sleeve 504 and the threaded groove 405 are matched with each other. The threaded sleeve 504 and the threaded groove 405 are combined. The worker can rotate the rotating disc 505. The rotating disc 505 drives the push rod 503 to push the clamping block 501 downward along the threaded groove 405 through the threaded sleeve 504, so as to clamp the concrete precast block in the clamping groove 402.
[0027] When working, the worker can easily move the concrete precast block to the supporting table 3 through the lifting slope 8, and make the two ends of the concrete precast block suspended through the heightening table 9, so that the concrete precast block is convenient to clamp. At the same time, the electric telescopic supporting rod 7 can push the supporting table 3 to support the concrete precast block to the appropriate position.
[0028] After the concrete precast block is supported to the appropriate position, the first battery pack 407 can drive the frame body 401 to slide along the sliding rail 11 through the sliding groove 408, so as to clamp the edge of the concrete precast block in the clamping groove 402. The worker can rotate the rotating disc 505. The rotating disc 505 drives the push rod 503 to push the clamping block 501 downward along the threaded groove 405 through the threaded sleeve 504, so as to clamp the concrete precast block in the clamping groove 402.
[0029] After the concrete precast block is clamped, the second battery pack 15 drives the two groups of telescopic pressing rods 13 to push the pressing block 14 to apply the limit pressure to the concrete precast block to make it bend. At the same time, the pressure sensor in the pressing block 14 senses the pressure data and transmits the pressure data to the terminal for collection and summary.
[0030] Through the above steps, the concrete prefabricated part is lifted to the supporting table 3 by the worker, the concrete prefabricated part is supported to the appropriate height by the supporting table 3, the two ends of the concrete prefabricated part are clamped by the clamping assembly 5 and the clamping frame 4, the supporting table 3 is reset to the original position after clamping, the concrete prefabricated part is suspended on the pressure measuring groove 2, and then the center of the concrete prefabricated part is continuously bent under stress by continuously applying pressure to the center of the concrete prefabricated part through the pressure applying table 6, so that the ultimate bending compression strength of the concrete prefabricated part is tested.
Claims
1. A device for testing the flexural compressive ultimate strength of concrete, comprising a pressure measuring platform (1); characterized in that: It also includes support platform (3), clamping frame (4), clamping assembly (5) and pressure platform (6); the middle section of the pressure platform (1) is provided with a pressure measuring groove (2), the inside of the pressure measuring groove (2) is provided with a support platform (3) for supporting the concrete prefabricated part, the upper ends of the two ends of the pressure platform (1) are provided with clamping frames (4) for clamping the edges of the concrete prefabricated part, the upper end of the clamping frame (4) is provided with a clamping assembly (5) for clamping the concrete prefabricated part, and the upper end of the support platform (3) is provided with a pressure platform (6) for applying pressure to the concrete prefabricated part.
2. The concrete flexural compressive strength testing device of claim 1, wherein: The lower end of the support platform (3) is uniformly provided with four groups of electric telescopic supporting rods (7), the middle section of the pressure platform (1) is provided with a material lifting slope (8) at the front end, the upper end of the pressure platform (6) is provided with a height increasing platform (9), the upper ends of the two ends of the clamping platform are respectively and symmetrically provided with two groups of slide rails (11), one end of the slide rail (11) away from the pressure measuring groove (2) is provided with a limiting block (12), and the lower ends of the two ends of the clamping platform are provided with supporting legs (10).
3. The concrete flexural compressive strength testing apparatus of claim 1, wherein: The rear end of the pressure platform (6) is symmetrically provided with two groups of vertical columns (16), the lower ends of the two groups of vertical columns (16) are connected with the pressure platform (1), the lower end of the pressure platform (6) is symmetrically provided with two groups of telescopic pressure rods (13), the lower ends of the two groups of telescopic pressure rods (13) are fixedly installed with pressure blocks (14), and the rear end of the pressure platform (6) is provided with a two-stage battery pack (15) matched with the telescopic pressure rods (13).
4. The concrete flexural compressive strength testing apparatus of claim 1, wherein: The clamping frame (4) comprises a frame body (401) and a battery seat (406), the front end of the frame body (401) is provided with a clamping groove (402), the upper end of the frame body (401) is provided with a clamping sleeve (403) at the center, the center of the clamping sleeve (403) is provided with a clamping hole (404), and the inner wall of the clamping hole (404) is provided with a threaded groove (405).
5. The concrete flexural compressive strength testing apparatus of claim 2, wherein: The lower end of the frame body (401) is symmetrically provided with two groups of slide grooves (408), the slide grooves (408) and the slide rails (11) are matched with each other, the frame body (401) slides along the slide rails (11) through the slide grooves (408), the battery seat (406) is located at the rear end of the frame body (401), and the inside of the battery seat (406) is provided with a primary battery pack (407).
6. The concrete flexural compressive strength testing apparatus of claim 4, wherein: The clamping assembly (5) comprises a clamping block (501) and a push rod (503), the clamping block (501) is located in the clamping groove (402), the upper end of the clamping block (501) is provided with a push rod (503) at the center, and the push rod (503) and the clamping block (501) are provided with a rotating sleeve (502) therebetween.
7. The concrete flexural compressive strength testing device of claim 6, wherein: The upper end of the push rod (503) extends to the upper end of the clamping frame (4) through the clamping hole (404), the upper end of the push rod (503) is fixedly installed with a rotating disc (505), the outer end of the push rod (503) is provided with a threaded sleeve (504), and the threaded sleeve (504) and the threaded groove (405) are matched with each other.