CN219038615U - Concrete pipe external pressure load test device - Google Patents
Concrete pipe external pressure load test device Download PDFInfo
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- CN219038615U CN219038615U CN202223458096.5U CN202223458096U CN219038615U CN 219038615 U CN219038615 U CN 219038615U CN 202223458096 U CN202223458096 U CN 202223458096U CN 219038615 U CN219038615 U CN 219038615U
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- concrete pipe
- external pressure
- test device
- fixedly connected
- load test
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Abstract
The utility model discloses a concrete pipe external pressure load test device, which relates to the technical field of concrete pipe external pressure load tests and comprises a workbench, wherein a protection frame is fixedly connected to the top of the workbench, two mounting grooves are formed in the protection frame, a protection plate is connected in a sliding manner in the mounting grooves, clamping blocks are arranged in the sliding manner in the mounting grooves, a plurality of bayonets matched with the clamping blocks are formed in the protection plate, a screw rod is connected in the clamping grooves in a rotating manner, threaded blind holes matched with the screw rod are formed in the clamping blocks, and the distance between the protection plate and the protection frame is adjusted according to the diameter of a concrete pipe to be tested.
Description
Technical Field
The utility model relates to the technical field of concrete pipe external pressure load tests, in particular to a concrete pipe external pressure load test device.
Background
The concrete pipe external pressure load test is generally to install the load board on the piston rod with hydraulic cylinder, install pressure sensor on the load board again and push down the outside of concrete pipe and carry out the load test to give the hydraulic pressure station with data transfer by pressure sensor, often need detect the maximum load of concrete pipe when experimental, can crush the concrete pipe very easily, mostly adopt the protection of side guard to prevent the piece to splash, however the piece of concrete pipe of different diameters splashes highly also different, when the diameter of concrete pipe is great, the piece splashes outside the protection scope of side guard easily and has the potential safety hazard.
The prior patent (publication number: CN 211856160U) proposes a concrete pipe external pressure load test device, in which a protective plugboard is used for preventing fragments of the broken concrete pipe from splashing, however, the protective scope and the protective height of the protective plugboard are limited, when the diameter of the concrete pipe is larger, the fragments are easy to splash outside the protective scope of a side guard, so that the use safety of the concrete pipe external pressure load test device is reduced.
Disclosure of Invention
The utility model provides a concrete pipe external pressure load test device, which solves the technical problems that in the device, a protection plugboard is used for preventing fragments of a broken concrete pipe from splashing, however, the protection range and the protection height of the protection plugboard are limited, when the diameter of the concrete pipe is larger, the fragments are easy to splash outside the protection range of a side guard plate, so that potential safety hazards exist, and the use safety of the concrete pipe external pressure load test device is reduced.
In order to solve the technical problems, the utility model provides an external pressure load test device for a concrete pipe, which comprises a workbench, wherein the top of the workbench is fixedly connected with a protective frame, two mounting grooves are formed in the protective frame, a protective plate is connected in a sliding manner in the mounting grooves, clamping blocks are formed in the sliding manner in the mounting grooves, a plurality of bayonets matched with the clamping blocks are formed in the protective plate, a screw rod is connected in the clamping grooves in an rotating manner, threaded blind holes matched with the screw rod are formed in the clamping blocks, a hydraulic component is arranged on the workbench and is used for pressing the concrete pipe, the screw rod is applied with force to rotate the screw rod, the clamping blocks are driven by the screw rod to move, the clamping blocks are moved out from the protective plate, then the protective plate is applied with force to move, and the mounting height of the protective plate is adjusted according to the diameter of the tested concrete pipe, so that fragments can be prevented from splashing to the outside of the protective plate and the protective frame when the concrete pipe is broken, and the device can be suitable for the concrete pipe with most sizes.
Preferably, the hydraulic assembly comprises two mounting frames fixedly connected to the workbench, a sliding frame is arranged on the two mounting frames in a sliding mode, two bolts are connected to the inner threads of the sliding frame, a plurality of threaded connection holes matched with the bolts are formed in the mounting frames, a hydraulic cylinder is fixedly connected to the sliding frame, the hydraulic cylinder comprises a piston rod which is arranged inside the hydraulic cylinder in a sliding mode, one end of the piston rod is fixedly connected with a load plate, one side of the load plate is fixedly connected with a plurality of pressure sensors, the hydraulic cylinder is started to enable the piston rod of the hydraulic cylinder to pull the load plate to push down and move, the load plate extrudes the outside of a concrete pipe, the pushing force is adjusted according to test requirements, and real-time transmission data are detected by sensing of the pressure sensors to a hydraulic station in the prior art, so that an external pressure load test of the concrete pipe is carried out.
Compared with the related art, the concrete pipe external pressure load test device provided by the utility model has the following beneficial effects:
according to the utility model, through the cooperation between the workbench, the protective frame, the protective plate, the clamping block, the screw rod, the sliding frame, the load plate and the pressure sensor, the relative sliding between the protective plate and the protective frame can be utilized, and the distance between the protective plate and the protective frame is adjusted according to the diameter of the concrete pipe to be tested, so that the protective range and the protective height between the protective plate and the protective frame are improved, the situation that scraps splash outside the protective range of the protective plate and the protective frame is avoided, and the use safety of the concrete pipe external pressure load test device is improved.
Drawings
FIG. 1 is a perspective view of a concrete pipe external pressure load test apparatus;
FIG. 2 is a schematic structural view of a concrete pipe external pressure load test device;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is an enlarged view of the structure at B in fig. 2.
Reference numerals in the drawings: 1. a work table; 2. a mounting frame; 3. a carriage; 4. a hydraulic cylinder; 5. a load plate; 6. a protection plate; 7. a protective frame; 8. a limit rod; 9. a guide rod; 10. a pressure sensor; 11. a knob; 12. a screw rod; 13. a guide block; 14. and (5) clamping blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-4, a concrete pipe external pressure load test device comprises a workbench 1, wherein a protection frame 7 is fixedly connected to the top of the workbench 1, two mounting grooves are formed in the protection frame 7, a protection plate 6 is slidably connected in the mounting grooves, clamping grooves are formed in the mounting grooves, clamping blocks 14 are slidably connected in the clamping grooves, a plurality of bayonets matched with the clamping blocks 14 are formed in the protection plate 6, a screw rod 12 is rotatably connected in the clamping grooves, threaded blind holes matched with the screw rod 12 are formed in the clamping blocks 14, and a hydraulic assembly is arranged on the workbench 1 and used for pressing a concrete pipe; the hydraulic assembly comprises two mounting frames 2 fixedly connected to the workbench 1, the two mounting frames 2 are provided with a sliding frame 3 in a sliding manner, two bolts are connected to the inner threads of the sliding frame 3, a plurality of threaded connection holes matched with the bolts are formed in the mounting frames 2, a hydraulic oil cylinder 4 is fixedly connected to the sliding frame 3, the hydraulic oil cylinder 4 comprises a piston rod which is arranged inside the hydraulic oil cylinder in a sliding manner, one end of the piston rod is fixedly connected with a load plate 5, one side of the load plate 5 is fixedly connected with a plurality of pressure sensors 10, the sliding frame 3, the protective plate 6, a clamping block 14, a screw rod 12, the sliding frame 3, the load plate 5 and the pressure sensors 10 are matched, the distance between the protective plate 6 and the protective frame 7 can be adjusted by utilizing the relative sliding between the protective plate 6 and the protective frame 7 according to the diameter of a concrete pipe to be tested, so that the protective range and the protective height between the protective plate 6 and the protective frame 7 are improved, and the use safety of the concrete pipe external pressure load test device is improved.
On the basis of the first embodiment, two sides of the clamping block 14 are fixedly connected with the guide blocks 13, a guide opening matched with the guide blocks 13 is formed in the protective frame 7, the guide blocks 13 can slide in the guide opening to limit movement of the clamping block 14, one side of the screw rod 12 is fixedly connected with the knob 11, the screw rod 12 can be controlled to rotate by applying force to the knob 11, scale marks are printed on one side of the protective plate 6, and the moving height of the protective plate 6 can be visually observed through the scale marks.
Embodiment three, on the basis of embodiment one, guard frame 7 internal fixation has guide bar 9, set up in guard plate 6 with guide bar 9 looks adaptation guiding hole, can be to the removal direction of guard plate 6, guide bar 9's one end fixedly connected with gag lever post 8, set up the spacing mouth with gag lever post 8 looks adaptation in guard plate 6, the relative slip between accessible gag lever post 8 and the spacing mouth, restriction guard plate 6's movable range has improved the connection stability between guard plate 6 and guard frame 7, the printing has anti-skidding line on the knob 11, the sliding friction on the surface of knob 11 has been increased, help to apply a force to knob 11.
Working principle:
during installation, the pressure sensor 10 is connected with a hydraulic station signal in the prior art, so that the hydraulic station signal can transmit data in real time, a tested concrete pipe can be installed in the protective frame 7, the screw rod 12 is driven to rotate by the force applied to the rotary knob 11, the clamping block 14 is driven to move by the screw rod 12, the clamping block 14 is driven to be pulled out of the protective plate 6, the protective plate 6 is driven to move, the mounting height of the protective plate 6 is adjusted according to the diameter of the tested concrete pipe, the rotary knob 11 is rotated again after adjustment is finished, the screw rod 12 is rotated, the clamping block 14 is driven to move and reset to be clamped in the protective plate 6 by the screw rod 12, and fragments can be prevented from splashing outside the protective plate 6 and the protective frame 7 when the concrete pipe is broken, so that the device can be suitable for the concrete pipe with most sizes.
During the test, start hydraulic cylinder 4 makes its piston rod pull load board 5 push down and remove, makes load board 5 extrude the concrete pipe outside to according to the dynamics of pushing down of test demand adjustment, and detect the real-time transmission data of sensing by pressure sensor 10 and give the hydraulic pressure station among the prior art, thereby carry out concrete pipe external pressure load test, will break when the concrete pipe loses bearing capacity, and the piece that splashes when blocking it by guard plate 6 and protection frame 7.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a concrete pipe external pressure load test device, a serial communication port, including workstation (1), the top fixedly connected with protection frame (7) of workstation (1), two mounting grooves have been seted up in protection frame (7), sliding connection has guard plate (6) in the mounting groove, the draw-in groove has been seted up in the mounting groove, sliding connection has fixture block (14) in the draw-in groove, a plurality of bayonet sockets with fixture block (14) looks adaptation have been seted up in guard plate (6), the draw-in groove swivelling joint has lead screw (12), set up the screw blind hole with lead screw (12) looks adaptation in fixture block (14), be provided with hydraulic assembly on workstation (1), hydraulic assembly is used for exerting pressure to the concrete pipe.
2. The concrete pipe external pressure load test device according to claim 1, wherein the hydraulic assembly comprises two mounting frames (2) fixedly connected to the workbench (1), a sliding frame (3) is slidably arranged on the two mounting frames (2), two bolts are connected with each other in an internal thread mode, a plurality of threaded connection holes matched with the bolts are formed in the mounting frames (2), a hydraulic oil cylinder (4) is fixedly connected in the sliding frame (3), the hydraulic oil cylinder (4) comprises a piston rod slidably arranged in the hydraulic oil cylinder, a load plate (5) is fixedly connected to one end of the piston rod, and a plurality of pressure sensors (10) are fixedly connected to one side of the load plate (5).
3. The concrete pipe external pressure load test device according to claim 1, wherein guide blocks (13) are fixedly connected to two sides of the clamping block (14), and guide openings matched with the guide blocks (13) are formed in the protective frame (7).
4. The concrete pipe external pressure load test device according to claim 1, wherein one side of the screw rod (12) is fixedly connected with a knob (11).
5. The concrete pipe external pressure load test device according to claim 1, wherein one side of the protection plate (6) is printed with graduation marks.
6. The concrete pipe external pressure load test device according to claim 1, wherein a guide rod (9) is fixedly connected in the protective frame (7), and a guide hole matched with the guide rod (9) is formed in the protective plate (6).
7. The concrete pipe external pressure load test device according to claim 1, wherein one end of the guide rod (9) is fixedly connected with a limit rod (8), and a limit opening matched with the limit rod (8) is formed in the protection plate (6).
8. The concrete pipe external pressure load test device according to claim 4, wherein the knob (11) is printed with anti-slip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458096.5U CN219038615U (en) | 2022-12-23 | 2022-12-23 | Concrete pipe external pressure load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458096.5U CN219038615U (en) | 2022-12-23 | 2022-12-23 | Concrete pipe external pressure load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038615U true CN219038615U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223458096.5U Active CN219038615U (en) | 2022-12-23 | 2022-12-23 | Concrete pipe external pressure load test device |
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| CN (1) | CN219038615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858676A (en) * | 2023-09-05 | 2023-10-10 | 中铁十七局集团第五工程有限公司 | Performance test device for composite fiber cement concrete road |
-
2022
- 2022-12-23 CN CN202223458096.5U patent/CN219038615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116858676A (en) * | 2023-09-05 | 2023-10-10 | 中铁十七局集团第五工程有限公司 | Performance test device for composite fiber cement concrete road |
| CN116858676B (en) * | 2023-09-05 | 2023-11-07 | 中铁十七局集团第五工程有限公司 | Performance test device for composite fiber cement concrete road |
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