Device for detecting anti-cracking bearing capacity of precast concrete cover plate
By using a detection frame and adjustment seat structure, combined with components such as lead screws, drive motors, and hydraulic cylinders, the precast concrete cover plate can be conveniently clamped and fixed, and multi-position detection can be achieved. This solves the safety and flexibility problems of existing devices and improves detection efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-04-10
AI Technical Summary
Existing testing devices for the crack resistance of precast concrete slabs are not convenient for easy linkage, centering, clamping, fixing, and multi-position adjustment, which affects the safety and flexibility of use.
The device employs a detection frame and adjustment seat structure, combined with components such as a lead screw, drive motor, hydraulic cylinder, and protective cover, to achieve convenient linkage clamping and fixing, as well as multi-position adjustment and detection. The stepper motor drives the gear and rack to move the clamping arm for centering and clamping, while the hydraulic cylinder drives the test head and protective cover for detection and protection.
It enables convenient clamping and fixing of precast concrete cover plates and multi-position testing, improving safety and flexibility in use, preventing debris from flying during testing, and ensuring the accuracy of test results.
Smart Images

Figure CN224109230U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection device technical field, concretely is a kind of prefabricated concrete cover plate crack resistance bearing capacity detection device. BACKGROUND
[0002] Prefabricated concrete cover plateIt is a kind of concrete product that is pre-made in factory or specific site, usually in plate shape, it is mainly composed of cement, sandstone, water and possible additive, wherein cement is as cementing material, sandstone and other aggregates are bonded together, form structure with strength and stability, in construction engineering, prefabricated concrete cover plate is used for drainage open ditch or hidden ditch around building, plays the role of drainage, protection and beauty, after prefabricated concrete cover plate production is completed, it needs to be detected crack resistance bearing capacity, after detection is qualified, it can be factory used, traditional detection device is mostly unit detection, its detection result is relatively single, if other position detection data needs to be used to corroborate, detection device needs to be removed and moved to another detection position to carry out secondary detection, its detection efficiency is lower, to improve this situation, so a kind of prefabricated concrete cover plate crack resistance bearing capacity detection device is presented.
[0003] Like the concrete crack resistance bearing capacity detection device disclosed in the authorized announcement No.CN218629312U, including support, work platform, detection induction block, first sliding rail, second sliding rail and first sliding block, support is installed with work platform, work platform is installed with detection induction block, work platform is installed with first sliding rail, two first sliding rails are slidably connected with second sliding rail, first sliding block is slidably connected on second sliding rail;
[0004] Although it realizes the cooperation of first motor, hydraulic cylinder and second sliding block, so that the hydraulic cylinder can move horizontally and longitudinally, realizes that the hydraulic cylinder can press different positions of concrete plate to detect its crack resistance bearing capacity, achieves the purpose of comprehensive detection;
[0005] But it does not solve the problem that the existing detection device is not convenient for linkage centering, clamping and fixing prefabricated concrete cover plate and adjusting and detecting prefabricated concrete cover plate in multiple positions when in use, is not conducive to protecting users, affects the safety and flexibility of use. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of prefabricated concrete cover plate crack resistance bearing capacity detection device to solve the problem that the detection device is not convenient for linkage centering, clamping and fixing prefabricated concrete cover plate and adjusting and detecting prefabricated concrete cover plate in multiple positions in the above background technology, is not conducive to protecting users, affects the safety and flexibility of use.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a prefabricated concrete cover plate crack resistance bearing capacity detection device, including detection frame and adjusting seat, the bottom of the inside of detection frame is provided with adjusting seat, and adjusting seat is fixedly connected with detection frame, the inside of adjusting seat is provided with two groups of lead screws symmetrically, and the lead screw is movably connected with the adjusting seat, the surface of the lead screw is all equipped with the thread sleeve, and the thread sleeve is in threaded connection with the lead screw, and the thread sleeve is in sliding connection with the adjusting seat, the top of adjusting seat is slidably provided with clamping seat, and the clamping seat is connected with the thread sleeve, the adjusting seat side wall on the one side of lead screw is all installed the drive motor, and the output of drive motor is connected with the lead screw.
[0008] Preferably, the top of the inside of the detection frame is provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is provided with a push arm.
[0009] Preferably, the bottom end of the push arm is provided with a pressing arm, and the pressing arm is in sliding connection with the detection frame, and the outer wall of the pressing arm is provided with a protective cover.
[0010] Preferably, the bottom end of the pressing arm is provided with a placing block, and the side wall of the placing block is provided with a plurality of groups of pin holes at equal intervals.
[0011] Preferably, the inside of the placing block is provided with a plurality of groups of test heads at equal intervals, and the inside of the pin hole is provided with a latch, and the latch extends into the inside of the test head.
[0012] Preferably, the inside of the clamping seat is provided with an integrated seat, and the top end of the integrated seat is provided with a stepping motor at the center position.
[0013] Preferably, the output end of the stepping motor is provided with a gear, and the top end of the integrated seat on both sides of the stepping motor is slidably provided with a sliding block.
[0014] Preferably, the side wall of the sliding block is provided with a rack, and the rack is in meshing with the gear, and the top end of the rack is provided with a clamping arm, and the clamping arm is in sliding connection with the clamping seat.
[0015] Compared with the prior art, the utility model has the advantages that: the detection device not only realizes the convenient linkage centering and clamping fixing of the prefabricated concrete cover plate and the multi-position adjustment detection of the prefabricated concrete cover plate, but also protects the user, and improves the safety and flexibility of use.
[0016] By placing the prefabricated concrete cover plate to be detected on the clamping seat, the gear is driven to rotate by the stepping motor, two groups of racks are driven to move towards each other by the gear, the clamping arms are driven to move towards each other and contact the outer wall of the prefabricated concrete cover plate to center and clamp and fix it, the test head is inserted into the inside of the placement block, then the pin is inserted into the inside of the test head from the pin hole, the test head is installed in the placement block, the push arm is driven to move downward by the hydraulic cylinder, the lower pressing arm, the placement block and the test head are driven to move downward by the push arm, so that the test head contacts the prefabricated concrete cover plate, and the protective cover is driven to move downward by the lower pressing arm, so that the protective cover covers the prefabricated concrete cover plate to prevent the prefabricated concrete cover plate from breaking and splashing to hurt people during detection, since the pressure of the hydraulic cylinder is rated, if cracks are not generated on the surface of the prefabricated concrete cover plate after extruding the prefabricated concrete cover plate for a rated time, it represents that the cover plate meets the requirements, otherwise, it is unqualified, the prefabricated concrete cover plate is conveniently centered, clamped and fixed through linkage, the protection of the user is facilitated, and the safety in use is improved.
[0017] When the anti-cracking test of the prefabricated concrete cover plate at different positions is needed, the clamping seat, the clamping arm and the prefabricated concrete cover plate are driven to move by the screw rod driven by the driving motor, so that the anti-cracking test of the prefabricated concrete cover plate at different positions is facilitated, since the pin holes on the side wall of the placement block are multiple groups, when the position of the test head needs to be adjusted, the test head is inserted into the corresponding pin hole position to adjust the position of the test head, so that the prefabricated concrete cover plate is flexibly adjusted and detected at multiple positions, and the flexibility of detection and use is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0019] Figure 2 It is a three-dimensional perspective structure schematic view of the protective cover of the utility model;
[0020] Figure 3 It is a side view sectional structure schematic view of the utility model;
[0021] Figure 4 It is a three-dimensional perspective structure schematic view of the placement block of the utility model;
[0022] Figure 5 It is a three-dimensional perspective structure schematic view of the clamping seat of the utility model;
[0023] Figure 6 It is a three-dimensional structure schematic view of the integrated seat of the utility model.
[0024] In the figure: 1, adjusting seat; 2, detection frame; 3, protective cover; 4, hydraulic cylinder; 5, clamping seat; 6, push arm; 7, down pressure arm; 8, placing block; 9, screw rod; 10, threaded sleeve; 11, drive motor; 12, test head; 13, bolt; 14, pin hole; 15, integrated seat; 16, rack; 17, clamping arm; 18, stepper motor; 19, gear; 20, sliding block. DETAILED DESCRIPTION
[0025] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0026] Please refer to Figures 1-6 The utility model provides an embodiment: a prefabricated concrete cover plate crack resistance bearing capacity detection device, including detection frame 2 and adjusting seat 1, the bottom in detection frame 2 is provided with adjusting seat 1, and adjusting seat 1 is fixedly connected with detection frame 2, the inside symmetry of adjusting seat 1 is provided with two groups of screw rod 9, and screw rod 9 is movably connected with adjusting seat 1, the surface of screw rod 9 is all equipped with threaded sleeve 10, and threaded sleeve 10 is threadedly connected with screw rod 9, and threaded sleeve 10 is slidably connected with adjusting seat 1, the top of adjusting seat 1 is slidably provided with clamping seat 5, and clamping seat 5 is connected with threaded sleeve 10, the side wall of adjusting seat 1 on the side of screw rod 9 is all installed with drive motor 11, drive motor 11 plays the role of power drive, and the output end of drive motor 11 is connected with screw rod 9;
[0027] Place the prefabricated concrete cover plate to be detected on the clamping seat 5, turn on the stepper motor 18, drive the gear 19 to rotate by the stepper motor 18, under the mutual meshing of the gear 19 and the rack 16, under the sliding cooperation of the sliding block 20 and the integrated seat 15, drive the two groups of racks 16 to move towards each other by the gear 19, drive the clamping arms 17 to move towards each other and contact the outer wall of the prefabricated concrete cover plate to center and clamp and fix it, insert the test head 12 into the inside of the placing block 8, then insert the bolt 13 into the inside of the test head 12 from the pin hole 14 to install the test head 12 in the placing block 8, then turn on the hydraulic cylinder 4, drive the push arm 6 to move downwards by the hydraulic cylinder 4, drive the down pressure arm 7, the placing block 8 and the test head 12 to move downwards by the push arm 6 to make the test head 12 contact the prefabricated concrete cover plate, at the same time, drive the protective cover 3 to move downwards by the down pressure arm 7 to make the protective cover 3 cover the prefabricated concrete cover plate to prevent the prefabricated concrete cover plate from breaking and splashing to hurt people during detection, because the pressure of the hydraulic cylinder 4 is rated, after extruding the prefabricated concrete cover plate for a rated time, if no cracks are generated on the surface, it represents that the cover plate meets the requirements, otherwise it is unqualified, realize the convenient linkage centering, clamping and fixing of the prefabricated concrete cover plate, facilitate the protection of the user, and improve the safety in use.
[0028] The top of the detection frame 2 is provided with a hydraulic cylinder 4, which is used as a power drive, and the output end of the hydraulic cylinder 4 is provided with a push arm 6, the bottom end of the push arm 6 is provided with a pressing arm 7, the pressing arm 7 is slidably connected with the detection frame 2, and the outer wall of the pressing arm 7 is provided with a protective cover 3.
[0029] The bottom end of the pressing arm 7 is provided with a placing block 8, the side wall of the placing block 8 is provided with a plurality of groups of pin holes 14 at equal intervals, the inside of the placing block 8 is provided with a plurality of groups of test heads 12 at equal intervals, the inside of the pin hole 14 is provided with a pin 13, and the pin 13 extends into the inside of the test head 12.
[0030] The inside of the clamping seat 5 is provided with an integrated seat 15, the top end of the integrated seat 15 is provided with a stepper motor 18 at the center position, the stepper motor 18 is used as a power drive, the output end of the stepper motor 18 is provided with a gear 19, and the top end of the integrated seat 15 on both sides of the stepper motor 18 is slidably provided with a sliding block 20.
[0031] The side wall of the sliding block 20 is provided with a rack 16, the rack 16 is meshed with the gear 19, and the top end of the rack 16 is provided with a clamping arm 17, and the clamping arm 17 is slidably connected with the clamping seat 5.
[0032] When the anti-cracking test of the prefabricated concrete cover plate at different positions is needed, the driving motor 11 is turned on, the screw rod 9 is driven to rotate by the driving motor 11, the clamping seat 5, the clamping arm 17 and the prefabricated concrete cover plate are moved under the threaded connection of the threaded sleeve 10 and the screw rod 9, so as to facilitate the anti-cracking test of the prefabricated concrete cover plate at different positions, the pin holes 14 on the side wall of the placing block 8 are multiple groups, when the position of the test head 12 needs to be adjusted, the test head 12 is inserted into the corresponding pin hole 14 to adjust the position of the test head 12, so as to flexibly adjust and detect the prefabricated concrete cover plate at multiple positions, and the flexibility of the detection use is improved.
[0033] Working principle: the precast concrete cover plate to be detected is placed on the clamping seat 5, the gear 19 is driven to rotate by the stepping motor 18, the two groups of racks 16 are moved towards each other by the gear 19, the clamping arms 17 are moved towards each other by the racks 16 and contact the outer wall of the precast concrete cover plate to center and clamp it, the test head 12 is inserted into the inside of the placement block 8, then the pin 13 is inserted into the inside of the test head 12 from the pin hole 14, the test head 12 is installed in the placement block 8, the push arm 6 is moved downwards by the hydraulic cylinder 4, the lower pressing arm 7, the placement block 8 and the test head 12 are moved downwards by the push arm 6, so that the test head 12 contacts the precast concrete cover plate, at the same time the protective cover 3 is moved downwards by the lower pressing arm 7, so that the protective cover 3 covers the precast concrete cover plate to prevent it from breaking and splashing to hurt people during detection, because the pressure of the hydraulic cylinder 4 is rated, if no cracks are generated on the surface of the precast concrete cover plate after extruding it for a rated time, it means that the cover plate meets the requirements, otherwise it is unqualified, when different positions of the precast concrete cover plate need to be tested for crack resistance, the clamping seat 5, the clamping arms 17 and the precast concrete cover plate are moved by the screw rod 9 driven by the driving motor 11 and the threaded sleeve 10, so as to facilitate the crack resistance test of the precast concrete cover plate from different positions, because the pin holes 14 on the side wall of the placement block 8 are multiple groups, when the position of the test head 12 needs to be adjusted, the test head 12 is inserted into the corresponding pin hole 14 to adjust the position of the test head 12, so as to flexibly adjust and detect the precast concrete cover plate from multiple positions, the above is the whole use of the precast concrete cover plate crack resistance bearing capacity detection device.
[0034] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any indirect modification, equivalent change and modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.
Claims
1. A precast concrete cover crack resistance bearing capacity detection device, comprising a detection frame (2) and an adjusting seat (1), characterized in that: The bottom of the detection frame (2) is provided with an adjusting seat (1), and the adjusting seat (1) is fixedly connected with the detection frame (2), the inside of the adjusting seat (1) is symmetrically provided with two groups of lead screws (9), and the lead screws (9) are movably connected with the adjusting seat (1), the surfaces of the lead screws (9) are all sleeved with threaded sleeves (10), the threaded sleeves (10) are in threaded connection with the lead screws (9), and the threaded sleeves (10) are in sliding connection with the adjusting seat (1), the top end of the adjusting seat (1) is slidably provided with a clamping seat (5), and the clamping seat (5) is connected with the threaded sleeve (10), the sidewalls of the adjusting seat (1) on the side of the lead screw (9) are all provided with driving motors (11), and the output ends of the driving motors (11) are connected with the lead screws (9).
2. The precast concrete slab cracking resistance bearing capacity detection device according to claim 1, characterized in that: The top of the detection frame (2) is provided with a hydraulic cylinder (4), and the output end of the hydraulic cylinder (4) is provided with a push arm (6).
3. The precast concrete slab cracking resistance load detection device according to claim 2, characterized in that: The bottom end of the push arm (6) is provided with a pressing arm (7), the pressing arm (7) is slidably connected with the detection frame (2), and the outer wall of the pressing arm (7) is provided with a protective cover (3).
4. The precast concrete slab cracking resistance load detection device according to claim 3, characterized in that: The bottom end of the pressing arm (7) is provided with a placing block (8), and the sidewall of the placing block (8) is provided with a plurality of groups of pin holes (14) at equal intervals.
5. The precast concrete slab cracking resistance load detection device according to claim 4, characterized in that: The inside of the placing block (8) is provided with a plurality of groups of test heads (12) at equal intervals, the inside of the pin hole (14) is provided with a latch (13), and the latch (13) extends into the inside of the test head (12).
6. The precast concrete slab cracking resistance load bearing capacity detection device according to claim 1, characterized in that: The inside of the clamping seat (5) is provided with an integrated seat (15), and the top end of the integrated seat (15) is provided with a stepping motor (18) at the center position.
7. The precast concrete slab cracking resistance load bearing capacity detection device according to claim 6, characterized in that: The output end of the stepping motor (18) is provided with a gear (19), and the top ends of the integrated seats (15) on the two sides of the stepping motor (18) are slidably provided with sliding blocks (20).
8. The precast concrete slab cracking resistance load bearing capacity detection device according to claim 7, characterized in that: The sidewalls of the sliding blocks (20) are all provided with racks (16), the racks (16) are in meshing connection with the gear (19), and the top ends of the racks (16) are all provided with clamping arms (17), and the clamping arms (17) are in sliding connection with the clamping seat (5).