GB2621828A - Dynamic pressure roadway support test device - Google Patents
Dynamic pressure roadway support test device Download PDFInfo
- Publication number
- GB2621828A GB2621828A GB2212176.8A GB202212176A GB2621828A GB 2621828 A GB2621828 A GB 2621828A GB 202212176 A GB202212176 A GB 202212176A GB 2621828 A GB2621828 A GB 2621828A
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- GB
- United Kingdom
- Prior art keywords
- slot
- test device
- shaped rack
- dynamic pressure
- bottom end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000004033 plastic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/20—Caging devices for moving parts when not in use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A transportation device for securely holding and transporting a dynamic pressure roadway support test device 1 comprises a placement box 3 to surround the test device, the placement box is provided with a U-shaped rack 2 on an outer side, and the rack is provided with cushioning springs 5 on both sides. The U-shaped rack and placement box, with fixings, enables the test device 1 to be effectively fixed when transported. The U-shaped rack is made more stable when placed under the action of a telescopic cylinder, telescopic rod, storage slot, turning rod, rotating rod, movable slot, connecting spring, limit block, limit slot, and a clamping slot, through the role of cushioning springs and dampers, the vibration of the test device during transportation can be offset, which effectively protects it so that its internal components will not be loosened due to vibration during transportation or easily damaged.
Description
DYNAIVIIC PRESSURE ROADWAY SUPPORT TEST DEVICE
1ECHNICAL FIELD
The present invention relates to the technical field of test devices, in particular to a dynamic pressure roadway support test device.
1ECHNICAL BACKGROUND
In the process of coal mining, coal or rock mass that has accumulated a lot of elastic energy under high stress state suddenly breaks, falls or throws out under certain conditions, and the energy is suddenly released, that is, there are obvious dynamic effects such as sound, vibration, and air waves. These phenomena are collectively referred to as coal mine dynamic pressure phenomenon. Dynamic pressure roadway refers to the roadway affected by mining or other dynamic forces. Therefore, in the process of coal mining, support equipment is required. Now, before the support equipment is used, it is necessary to test itself to obtain corresponding parameters for analysis, so a test device needs to be used, but there are still some problems in the current test device.
For example, the dynamic pressure roadway support physical model test device and method disclosed in the invention of Publication Number CN105675840A, although it no longer needs to set up a large area of the vibration table, reducing the space occupied by the device, and additionally it does not need to simulate a mining pressure through the advancement of a working face, hence, the model size is reduced, the labor intensity of the experiment is reduced, the experimental cost is saved, and the relationship between the mining pressure and roadway deformation damage can also be quantitatively studied, however, during the transportation of the device, it is likely to be vibrated and cause the internal parts of the device to be loosened, which makes the device easy to be damaged and affects the later test inspection. For this reason, a dynamic pressure roadway support test device is proposed.
SUMMARY OF THE INVENTION
In order to overcome the shortcomings of the prior art, the present invention provides a dynamic pressure roadway support test device. By designing the U-shaped rack, placement box, threaded slot, screw, fixing sleeve, and turntable, the experimental device can be effectively fixed when transported and the U-shaped rack is made more stable when placed under the action of telescopic cylinder, telescopic rod, storage slot, turning rod, rotating rod, movable slot, connecting spring, limit block, limit slot, and clamping slot, through the role of cushioning springs and dampers, the vibration of the experimental device during transportation can be offset, which effectively protects the experimental device so that its internal components will not be loosened due to vibration during transportation, so that the experimental device will not be easily damaged To solve the above technical problems, the present invention provides the following technical solutions.
A dynamic pressure roadway support test device comprises an experimental device, the experimental device is provided with a placement box on outer side, the placement box is provided with a U-shaped rack on outer side, the U-shaped rack is provided with cushioning springs on both ends of inner side, the cushioning spring is provided with a damper on inner side, top surface of two sides of the placement box are provided with threaded slots, inner side of the threaded slot is threadedly connected with a screw, one end of the screw is provided with a turntable, and the other end of the screw is provided with a fixing sleeve, and storage slots are provided on both sides of bottom end of the front surface and on both sides of bottom end of the rear surface of the U-shaped rack, one end of the inner side of the storage slot is rotatably connected with a turning rod, and bottom end of the turning rod is fixedly connected with a rotating rod, top surface of the rotating rod is provided with a clamping slot, the clamping slot is provided with a telescopic rod on inner side, top of the telescopic rod is provided with a telescopic cylinder and bottom of the telescopic rod is provided with a movable slot, the movable slot is provided with a connecting spring on inner side, bottom end of the connecting spring is provided with a limit block, bottom end of the limit block is in limit slot provided on the inner wall of the telescopic cylinder, and the number of limit slots is set to a total of two.
As a preferred technical solution of the present invention, further comprising a connecting assembly, the connecting assembly includes a slide slot, the slide slot is provided on one side surface of the U-shaped rack, and inner side of the slide slot is slidably connected with a slider, one side of the slider is provided with a first connecting block, and the other side of the U-shaped rack is provided with a second connecting block matching the first connecting block.
As a preferred technical solution of the present invention, inner bottom of the placement box is provided with a first rubber pad, and inner bottom of the U-shaped rack is provided with a second rubber pad.
As a preferred technical solution of the present invention, the turntable and the screw are welded, and the surface of the turntable is covered with a slip-proof sleeve As a preferred technical solution of the present invention, bottom end of the rotating rod is at the same horizontal height as bottom end of the U-shaped rack.
As a preferred technical solution of the present invention, the diameter of the telescopic rod is 0.95 times the diameter of inner side of the telescopic cylinder.
As a preferred technical solution of the present invention, the first connecting block and the second connecting block are made of plastic, and the second connecting block is fixedly connected to the U-shaped rack.
As a preferred technical solution of the present invention, bottom end of the slider is provided with a limit spring, top end of the limit spring is fixedly connected with the slider, and bottom end of the limit spring is fixedly connected with inner surface of the slide slot Compared with the prior art, the present invention can achieve the beneficial effects as following: 1. By designing the U-shaped rack, placement box, threaded slot, screw, fixing sleeve, and turntable, the experimental device can be effectively fixed when transported and the U-shaped rack is made more stable when placed under the action of telescopic cylinder, telescopic rod, storage slot, turning rod, rotating rod, movable slot, connecting spring, limit block, limit slot, and clamping slot, through the role of cushioning springs and dampers, the vibration of the experimental device during transportation can be offset, which effectively protects the experimental device so that its internal components will not be loosened due to vibration during transportation, so that the experimental device will not be easily damaged.
2. By designing the connecting assembly when multiple U-shaped racks are placed on the transportation tool at the same time, the staff can pull the first connecting block upward to make the slider slide along the inner side of the slide slots, and then the first connecting block is engaged with the corresponding second connecting block, so as to ensure that the multiple U-shaped racks can be engaged with each other in pairs, making multiple U-shaped racks more stable when transported at the same time.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention; FIG. 2 is a schematic diagram of the overall side view structure of the present invention; FIG. 3 is a schematic diagram of the enlarged structure at A in FIG. 1 of the present invention; FIG. 4 is a schematic diagram of the enlarged structure at B in FIG. 1 of the present invention; and FIG. 5 is a schematic diagram of the enlarged structure at C in FIG. 2 of the present invention.
where: L experimental device; 2. U-shaped rack; 3, placement box; 4. first rubber pad; 5. cushioning spring; 6. damper; 7. threaded slot; 8. screw; 9. fixing sleeve; 10. turntable; 11. second rubber pad; 12. telescopic cylinder; 13. telescopic rod; 14. storage slot; 15. turning rod; 16. rotating rod; 17. movable slot; 18, connecting spring; 19. limit block; 20. limit slot; 21. clamping slot; 22. slide slot; 23. slider; 24. limit spring; 25. first connecting block; 26. second connecting block.
DETAILED DESCRIPTION OF THE INVENTION
In order to make the technical means, the creative features, the purpose and efficacy achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the embodiments in the implementation, other embodiments obtained by a person skilled in the art without making creative work are within the scope of protection of the present invention. The experimental methods in the following embodiments are conventional if not otherwise specified, and the materials and reagents used in the following embodiments can be obtained from commercial sources if not otherwise specified.
Embodiments: As shown in FIGS. 1, 2, 3, 4 and 5, a dynamic pressure roadway support test device comprises an experimental device 1, the experimental device is provided with a placement box 3 on outer side, the placement box 3 is provided with a U-shaped rack 2 on outer side, the U-shaped rack 2 is provided with cushioning springs 5 on both ends of inner side, the cushioning spring 5 is provided with a damper 6 on inner side, top surface of two sides of the placement box 3 are provided with threaded slots 7, inner side of the threaded slot 7 is threadedly connected with a screw 8, one end of the screw 8 is provided with a turntable 10, and the other end of the screw 8 is provided with a fixing sleeve 9, in addition, storage slots 14 are provided on both sides of bottom end of the front surface and on both sides of bottom end of the rear surface of the U-shaped rack 2, one end of the inner side of the storage slot 14 is rotatably connected with a turning rod 15, and bottom end of the turning rod 15 is fixedly connected with a rotating rod 16, top surface of the rotating rod 16 is provided with a clamping slot 21, the clamping slot 21 is provided with a telescopic rod 13 on inner side, top of the telescopic rod 13 is provided with a telescopic cylinder 12 and bottom of the telescopic rod 13 is provided with a movable slot 17, the movable slot 17 is provided with a connecting spring 18 on inner side, bottom end of the connecting spring 18 is provided with a limit block 19, bottom end of the limit block 19 is in limit slot 20 provided on the inner wall of the telescopic cylinder 12, and the number of limit slots 20 is set to a total of two.
When the experimental device 1 needs to be fixed for transport, first of all, the experimental device 1 is placed in the inner side of the placement box 3, and then the turntable 10 is rotated to one side, driving the screw 8 to rotate, and the screw 8 slowly approaches the fixing sleeve 9 through the action of the threaded slot 7, when the screw 8 reaches the proper position, the other end of the screw 8 is completely engaged with the inner side of the fixing sleeve 9 to realize the fixation of the experimental device I Then, through the action of the turning rod 15, the rotating rod 16 is rotated out from the inner side of the storage slot N. When the rotating rod 16 reaches the proper position, the telescopic rod 13 is pulled out from the inner side of the telescopic cylinder 12, so that the bottom end of the telescopic rod 13 is engaged with the inner side of the clamping slot 21, and the bottom end of the limiting block 19 is engaged with the inner side of the corresponding limit slot 20, so as to limit the position of the telescopic rod 13, and finally the U-shaped rack 2 is placed on the transport tool for transportation In the process of transportation, the existing dynamic pressure roadway support experimental device is easily subjected to vibration and causes the parts inside the device to loosen, which makes the device easy to damage By designing the U-shaped rack 2, placement box 3, threaded slot 7, screw 8, fixing sleeve 9, and turntable 10, the experimental device 1 can be effectively fixed when transported and the U-shaped rack 2 is made more stable when placed under the action of telescopic cylinder 12, telescopic rod 13, storage slot 14, turning rod 15, rotating rod 16, movable slot 17, connecting spring 18, limit block 19, limit slot 20, and clamping slot 21, through the role of cushioning springs 5 and dampers 6, the vibration of the experimental device 1 during transportation can be offset, which effectively protects the experimental device 1 so that its internal components will not be loosened due to vibration during transportation, so that the experimental device 1 will not be easily damaged.
In other embodiments, this embodiment discloses that, as shown in FIG. 1, a connecting assembly is also included, the connecting assembly includes a slide slot 22, the slide slot 22 is provided on one side surface of the U-shaped rack 2, and inner side of the slide slot 22 is slidably connected with a slider 23, one side of the slider 23 is provided with a first connecting block 25, and the other side of the U-shaped rack 2 is provided with a second connecting block 26 matching the first connecting block 25.
By designing the connecting assembly, when multiple U-shaped racks 2 are placed on the transportation tool at the same time, the staff can pull the first connecting block 25 upward to make the slider 23 slide along the inner side of the slide slots 22, and then the first connecting block 25 is engaged with the corresponding second connecting block 26, so as to ensure that the multiple U-shaped racks 2 can be engaged with each other in pairs, making multiple U-shaped racks 2 more stable when transported at the same time.
In other embodiments, this embodiment discloses that, as shown in FIG. 1, inner bottom of the placement box 3 is provided with a first rubber pad 4, and inner bottom of the U-shaped rack 2 is provided with a second rubber pad 11; so that after the experimental device 1 is placed, and in the process of transportation, the bottom bearing parts can play a protective role for itself In other embodiments, this embodiment discloses that, as shown in FIG. 3, the turntable 10 and the screw 8 are welded, and the surface of the turntable 10 is covered with a slip-proof sleeve; when a person is turning the turntable 10, it can effectively drive the screw 8 to move at the same time.
In other embodiments, this embodiment discloses that, as shown in FIG. 4, bottom end of the rotating rod 16 is at the same horizontal height as bottom end of the U-shaped rack 2; so that the rotating rod 16, when fixed, can effectively play a supporting role for the U-shaped rack 2, making the U-shaped rack 2 more stable when placed.
In other embodiments, this embodiment discloses that, as shown in FIG. 5, the diameter of the telescopic rod 13 is 0.95 times the diameter of inner side of the telescopic cylinder 12, so that the movement of the telescopic rod 13 inside the telescopic cylinder 12 is smoother and will not be hindered.
In other embodiments, this embodiment discloses that, as shown in FIG. 1, the first connecting block 25 and the second connecting block 26 are made of plastic, and the second connecting block 26 is fixedly connected to the U-shaped rack 2; the cost investment is reduced, and it is economical and practical.
In other embodiments, this embodiment discloses that, as shown in FIG. 1, the bottom end of the slider 23 is provided with a limit spring 24, the top end of the limit spring 24 is fixedly connected with the slider 23, and the bottom end of the limit spring 24 is fixedly connected with the inner surface of the slide slot 22; so that when the first connecting block 25 and the second connecting block 26 are engaged with each other, they are more tightly secured, which ensures better stability after the plurality of U-shaped racks 2 are connected in pairs The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various variations can be made within the scope of knowledge available to those skilled in the art to which they belong, without departing from the purpose of the invention.
Claims (8)
- CLAIMSWhat is claimed is: 1. A dynamic pressure roadway support test device comprises an experimental device (1), the experimental device (1) is provided with a placement box (3) on outer side, the placement box (3) is provided with a U-shaped rack (2) on outer side, the U-shaped rack (2) is provided with cushioning springs (5) on both ends of inner side, the cushioning spring (5) is provided with a damper (6) on inner side, top surface of two sides of the placement box (3) are provided with threaded slots (7), inner side of the threaded slot (7) is threadedly connected with a screw (8), one end of the screw (8) is provided with a turntable (10), and the other end of the screw (8) is provided with a fixing sleeve (9), and storage slots (14) are provided on both sides of bottom end of the front surface and on both sides of bottom end of the rear surface of the U-shaped rack (2), one end of the inner side of the storage slot (14) is rotatably connected with a turning rod (15), and bottom end of the turning rod (15) is fixedly connected with a rotating rod (16), top surface of the rotating rod (16) is provided with a clamping slot (21), the clamping slot (21) is provided with a telescopic rod (13) on inner side, top of the telescopic rod (13) is provided with a telescopic cylinder (12) and bottom of the telescopic rod (13) is provided with a movable slot (17), the movable slot (17) is provided with a connecting spring (18) on inner side, bottom end of the connecting spring (18) is provided with a limit block (19), bottom end of the limit block (19) is in limit slot (20) provided on the inner wall of the telescopic cylinder (12), and the number of limit slots (20) is set to a total of two.
- 2. The dynamic pressure roadway support test device according to claim 1, characterized in further comprising a connecting assembly, the connecting assembly includes a slide slot (22), the slide slot (22) is provided on one side surface of the U-shaped rack (2), and inner side of the slide slot (22) is slidably connected with a slider (23), one side of the slider (23) is provided with a first connecting block (25), and the other side of the U-shaped rack (2) is provided with a second connecting block (26) matching the first connecting block (25).
- 3. The dynamic pressure roadway support test device according to claim 1, characterized in that inner bottom of the placement box (3) is provided with a first rubber pad (4), and inner bottom of the U-shaped rack (2) is provided with a second rubber pad (11).
- 4. The dynamic pressure roadway support test device according to claim 1, characterized in that the turntable (10) and the screw (8) are welded, and the surface of the turntable (10) is covered with a slip-proof sleeve
- 5. The dynamic pressure roadway support test device according to claim 1, characterized in that bottom end of the rotating rod (16) is at the same horizontal height as bottom end of the U-shaped rack (2).
- 6. The dynamic pressure roadway support test device according to claim 1, characterized in that the diameter of the telescopic rod (13) is 0.95 times the diameter of inner side of the telescopic cylinder (12).
- 7. The dynamic pressure roadway support test device according to claim 2, characterized in that the first connecting block (25) and the second connecting block (26) are made of plastic, and the second connecting block (26) is fixedly connected to the U-shaped rack (2)
- 8. The dynamic pressure roadway support test device according to claim 2, characterized in that bottom end of the slider (23) is provided with a limit spring (24), top end of the limit spring (24) is fixedly connected with the slider (23), and bottom end of the limit spring (24) is fixedly connected with inner surface of the slide slot (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2212176.8A GB2621828B (en) | 2022-08-22 | 2022-08-22 | Dynamic pressure roadway support test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2212176.8A GB2621828B (en) | 2022-08-22 | 2022-08-22 | Dynamic pressure roadway support test device |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| GB202212176D0 GB202212176D0 (en) | 2022-10-05 |
| GB2621828A true GB2621828A (en) | 2024-02-28 |
| GB2621828A8 GB2621828A8 (en) | 2024-03-20 |
| GB2621828B GB2621828B (en) | 2024-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2212176.8A Active GB2621828B (en) | 2022-08-22 | 2022-08-22 | Dynamic pressure roadway support test device |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2621828B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345879A (en) * | 2017-07-25 | 2017-11-14 | 中国科学院地质与地球物理研究所 | A kind of workings subject to dy namic pressure supporting test device and method |
| CN211717475U (en) * | 2020-03-20 | 2020-10-20 | 闫东 | Electric instrument protector |
| CN213579409U (en) * | 2020-11-30 | 2021-06-29 | 南京林业大学 | Portable instrument equipment |
| CN113865631A (en) * | 2021-10-08 | 2021-12-31 | 常州御东科技有限公司 | Wireless intelligent sensor with anti-collision buffering performance |
| CN216385650U (en) * | 2021-11-04 | 2022-04-26 | 河南联荣机电设备安装工程有限公司 | Mapping device for road engineering |
| CN114396971A (en) * | 2022-02-11 | 2022-04-26 | 佛山市川东磁电股份有限公司 | Sensor with buffering protection structure |
-
2022
- 2022-08-22 GB GB2212176.8A patent/GB2621828B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345879A (en) * | 2017-07-25 | 2017-11-14 | 中国科学院地质与地球物理研究所 | A kind of workings subject to dy namic pressure supporting test device and method |
| CN211717475U (en) * | 2020-03-20 | 2020-10-20 | 闫东 | Electric instrument protector |
| CN213579409U (en) * | 2020-11-30 | 2021-06-29 | 南京林业大学 | Portable instrument equipment |
| CN113865631A (en) * | 2021-10-08 | 2021-12-31 | 常州御东科技有限公司 | Wireless intelligent sensor with anti-collision buffering performance |
| CN216385650U (en) * | 2021-11-04 | 2022-04-26 | 河南联荣机电设备安装工程有限公司 | Mapping device for road engineering |
| CN114396971A (en) * | 2022-02-11 | 2022-04-26 | 佛山市川东磁电股份有限公司 | Sensor with buffering protection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2621828B (en) | 2024-08-28 |
| GB202212176D0 (en) | 2022-10-05 |
| GB2621828A8 (en) | 2024-03-20 |
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