CN219065401U - Water burst test device for simulating coal seam roof - Google Patents

Abstract

The utility model relates to the technical field of simulated coal seam roof water inrush tests, in particular to a simulated coal seam roof water inrush test device which comprises a tester body and a test operation table, wherein a grid baffle frame is movably sleeved on the outer side of the test operation table, a mounting box is fixedly arranged at the bottom of the test operation table, and a three-section electric telescopic rod is fixedly arranged in an inner cavity of the mounting box. This simulation coal seam roof water burst test device stores water through the basin, utilizes the water pump to pump water out, is connected through the water inlet on inlet tube and the tester body, and rivers get into the experimental ware body inner chamber and simulate coal seam roof water burst, discharge the water through the drain pipe after the experiment and retrieve to the basin inner chamber, and the water injection does not have the restriction to the on-the-spot in advance, utilizes the extension board to cup joint the regulating plate, conveniently fixes the regulating plate through fixing bolt and fixed orifices, and then can adjust the height of test operation platform, makes this simulation coal seam roof water burst test device can adapt to the operating personnel of different heights.

Description

Water burst test device for simulating coal seam roof

Technical Field

The utility model relates to the technical field of water burst test of a simulated coal seam roof, in particular to a water burst test device of a simulated coal seam roof.

Background

The seepage of the water in the rock mass is very complex, and the stress state of the rock mass, the distribution of joints and the like have important influences on the seepage of the rock mass. Therefore, the simulation of the water burst test of the coal seam roof is very important.

Chinese patent application number (CN 201820005547.4) discloses a simulated coal seam roof water bursting test device, which comprises a triaxial cylinder, an upper gland and a lower gland sleeved at two ends of the triaxial cylinder in a matched manner, wherein an oil inlet is arranged on the side wall of the triaxial cylinder, a rubber sealing sleeve arranged in the triaxial cylinder is sequentially sleeved with a supporting cylinder, a rock sample, a supporting ring and a lower pressure head from top to bottom in the rubber sealing sleeve, and an upper pressure head is sleeved in the supporting cylinder in a sliding manner. The stress condition of the coal seam roof can be simulated more truly, the actual water bursting situation of the coal seam roof is more in line with the guidance significance of coal mine safety production, but the simulated coal seam roof water bursting test device is required to be additionally matched with a test bed to be used in use, the use place is required to be tested in operation, the environment with a water pipe is required to be tested, the height of the test device cannot be adjusted in the test, and the height of a tester is high and low, so that the simulated coal seam roof water bursting test device is improved on the basis.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a test device for simulating water burst of a roof of a coal seam, which solves the problems that the height of the roof of the coal seam cannot be adjusted and the test environment is required in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a simulation coal seam roof water burst test device, includes tester body, test operation panel, the outside activity of test operation panel has cup jointed the check and has kept off the frame, the bottom fixed mounting of test operation panel has the mounting box, the inner chamber fixed mounting of mounting box has the syllogic electric telescopic handle, the top fixedly connected with backup pad of syllogic electric telescopic handle, the last surface mounting of backup pad has the tester body, the baffle has been placed on the surface of tester body, the receiver is installed to one side of test operation panel upper surface, the camera recorder has been placed to the inner chamber of receiver, the opposite side fixedly connected with of test operation panel upper surface writes the platform.

Optionally, the basin has been seted up to the inside of installing the case, the water pump is installed to the inner chamber of basin, the inlet tube is installed to the output of water pump, and the one end of inlet tube extends to the outside of installing the case, the water tank is installed to one side of installing the case, the water tank passes through the water pipe intercommunication with the basin inner chamber, the drain pipe is installed at the top of water tank.

Optionally, the equal fixedly connected with extension board in both sides of test operation panel lower surface, the inner chamber slidable mounting of extension board has the regulating plate, the fixed orifices has been seted up to one side of regulating plate, fixing bolt is installed to the middle part screw thread in the outside of extension board, and fixing bolt's one end extends to the inner chamber of fixed orifices.

Optionally, the operation board is installed to one side of regulating plate, the bottom of regulating plate and the bottom of installing the case all are installed through the bolt and are removed the wheel.

Optionally, grooves are formed in two sides of the test operation table.

Optionally, the both sides of check fender frame all threaded connection has the butterfly bolt, the one end of butterfly bolt extends to the inner chamber of recess.

The utility model provides a test device for simulating water burst of a roof of a coal seam, which has the following beneficial effects:

1. this simulation coal seam roof water burst test device stores water through the basin, utilizes the water pump to pump water out, is connected through the water inlet on inlet tube and the tester body, and rivers get into the experimental ware body inner chamber and simulate coal seam roof water burst, discharge the water through the drain pipe after the experiment and retrieve to the basin inner chamber, and the water injection does not have the restriction to the on-the-spot in advance, utilizes the extension board to cup joint the regulating plate, conveniently fixes the regulating plate through fixing bolt and fixed orifices, and then can adjust the height of test operation platform, makes this simulation coal seam roof water burst test device can adapt to the operating personnel of different heights.

2. This simulation coal seam roof water burst test device can drive the backup pad through syllogic electric telescopic handle and reciprocate, move the tester body to the top of test operation platform when carrying out the test, make things convenient for the tester to test, can remove the tester body to the inner chamber of installing box after the test is accomplished, make baffle and test operation platform contact, can use as the workstation, take in the record appearance of making a video recording, take out the record appearance of making a video recording and make a video recording the test process during the test, and then can keep test video, utilize writing desk can make things convenient for operating personnel to record simultaneously, avoid paper contact water, also can record on test operation platform when there is not water stain or other instruments of test on the test operation platform, the functionality of this simulation coal seam roof water burst test device has been improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of the front face of the present utility model;

FIG. 3 is a schematic view of the structure of the grid frame of the present utility model;

fig. 4 is a schematic cross-sectional view of the mounting case of the present utility model from above.

In the figure: 1. a test operation table; 2. a camera recorder; 3. a storage box; 4. a water tank; 5. three-section electric telescopic rod; 6. a water tank; 7. an operation panel; 8. a moving wheel; 9. a fixing hole; 10. an adjusting plate; 11. a support plate; 12. a mounting box; 13. a groove; 14. a grid block frame; 15. a writing table; 16. a water inlet pipe; 17. a seal ring; 18. a support plate; 19. a tester body; 20. a water pump; 21. and (5) a water drain pipe.

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.

Examples: referring to fig. 1-4, the utility model provides a simulated coal seam roof water inrush test device, which comprises a tester body 19 and a test operation table 1, wherein a grid baffle frame 14 is movably sleeved on the outer side of the test operation table 1, a mounting box 12 is fixedly arranged at the bottom of the test operation table 1, a three-section type electric telescopic rod 5 is fixedly arranged in the inner cavity of the mounting box 12, a supporting plate 18 is fixedly connected to the top of the three-section type electric telescopic rod 5, the tester body 19 is arranged on the upper surface of the supporting plate 18, a baffle is arranged on the surface of the tester body 19, the supporting plate 18 can be driven to move up and down through the three-section type electric telescopic rod 5, the tester body 19 can be moved to the upper side of the test operation table 1 during a test, a test can be conveniently performed by a tester, the baffle can be moved to the inner cavity of the mounting box 12 after the test is finished, the baffle can be contacted with the test operation table 1, the baffle can be used as a workbench, and the functionality of the simulated coal seam roof water inrush test device is improved.

The receiver 3 is installed to one side of test operation panel 1 upper surface, and camera recorder 2 has been placed to the inner chamber of receiver 3, and the opposite side fixedly connected with of test operation panel 1 upper surface writes the platform 15. Take in the record appearance 2 of making a video recording through receiver 3, take out the record appearance 2 of making a video recording when experimental and take a video recording to test process, and then can remain test video, utilize writing desk 15 simultaneously can make things convenient for operating personnel to record, avoid paper contact water, also can record on test operation desk 1 when there is not the water stain or other instruments of experiment on test operation desk 1.

The inside of installing box 12 has seted up basin 6, water pump 20 is installed to the inner chamber of basin 6, inlet tube 16 is installed to the output of water pump 20, and the one end of inlet tube 16 extends to the outside of installing box 12, water tank 4 is installed to one side of installing box 12, the inner chamber of water tank 4 is provided with the filter screen, and the back of water tank 4 articulates there is the chamber door, water tank 4 and basin 6 inner chamber pass through the water pipe intercommunication, drain pipe 21 is installed at the top of water tank 4, the equal fixedly connected with pipe connection head of end of drain pipe 21 and inlet tube 16, and pipe connection head and tester body 19 go up delivery port and water inlet looks adaptation, store water through basin 6, utilize water pump 20 to pump water, be connected through the water inlet on inlet tube 16 and the tester body 19, rivers get into tester body 19 inner chamber simulation seam roof water burst, after the experiment with water retrieve to basin 6 inner chamber through drain pipe 21 discharge, the filter screen can play the water filtration effect, avoid water to have impurity, it is more convenient to test, and realize that the place has not restriction.

The equal fixedly connected with extension board 11 in both sides of test operation panel 1 lower surface, the inner chamber slidable mounting of extension board 11 has regulating plate 10, fixed orifices 9 have been seted up to one side of regulating plate 10, fixing bolt is installed to the middle-thread on the outside of extension board 11, and fixing bolt's one end extends to the inner chamber of fixed orifices 9, utilize extension board 11 to cup joint regulating plate 10, it is convenient to fix regulating plate 10 through fixing bolt and fixed orifices 9, and then can adjust the height of test operation panel 1, make this simulation coal seam roof water bursting test device can adapt to the operating personnel of different heights.

Grooves 13 are formed in two sides of the test operating table 1. Both sides of the grid baffle frame 14 are connected with butterfly bolts in a threaded manner, and one ends of the butterfly bolts extend to the inner cavity of the groove 13. Can play the guard action in the laboratory through check frame 14, avoid some water leakage to flow down from test operation panel 1's side, unified clearance after being convenient for follow-up test, utilize recess 13 and butterfly bolt can inject the position of check frame 14, when not experimental, move check frame 14 downwardly.

The operation board 7 is installed to one side of regulating plate 10, and the bottom of regulating plate 10 and the bottom of installing box 12 are all installed through the bolt and are removed round 8, remove round 8 for the universal wheel that has the self-locking function, utilize to remove round 8 and conveniently remove whole test instrument, use the operation board 7 to conveniently adjust regulating plate 10.

The side of backup pad 18 fixedly connected with sealing washer 17, sealing washer 17 are used for increasing the leakproofness between backup pad 18 and the test operation platform 1.

In summary, this simulation coal seam roof water burst test device, when using, firstly inject water to basin 6 inner chamber, then start syllogic electric telescopic handle 5 and rise tester body 19, connect the water pipe, take out from receiver 3 inside with making a video recording record appearance 2, and aim at tester body 19, start water pump 20 and pour into tester body 19 inner chamber with water, go up the pressure head and take place the displacement and then make the inside crack that produces of rock sample, record displacement simultaneously, open water pressure controller and the flow meter on the tester body 19, record water pressure and the flow change through the flow meter in a period of time, can.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a simulation coal seam roof gushes water test device, includes tester body (19), test operation panel (1), its characterized in that: the outside activity of test operation panel (1) has cup jointed check and has kept off frame (14), the bottom fixed mounting of test operation panel (1) has install bin (12), the inner chamber fixed mounting of install bin (12) has syllogic electric telescopic handle (5), the top fixedly connected with backup pad (18) of syllogic electric telescopic handle (5), the last surface mounting of backup pad (18) has tester body (19), the baffle has been placed on the surface of tester body (19), receiver (3) are installed to one side of test operation panel (1) upper surface, camera recorder (2) have been placed to the inner chamber of receiver (3), the opposite side fixedly connected with of test operation panel (1) upper surface writes platform (15).

2. The simulated coalbed roof water inrush test device of claim 1, wherein: the water tank (6) has been seted up to the inside of installing box (12), water pump (20) are installed to the inner chamber of water tank (6), inlet tube (16) are installed to the output of water pump (20), and the one end of inlet tube (16) extends to the outside of installing box (12), water tank (4) are installed to one side of installing box (12), water tank (4) and water tank (6) inner chamber pass through the water pipe intercommunication, drain pipe (21) are installed at the top of water tank (4).

3. The simulated coalbed roof water inrush test device of claim 1, wherein: the utility model discloses a test operation platform, including test operation platform (1), fixed orifices (9) are seted up to the inner chamber slidable mounting of extension board (11), fixed bolt is installed to the middle part screw thread in the outside of extension board (11), and the one end of fixed bolt extends to the inner chamber of fixed orifices (9) to both sides of test operation platform (1) lower surface all fixedly connected with extension board (11), inner chamber slidable mounting of extension board (10), fixed orifices (9) are seted up to one side of extension board (10).

4. A simulated coalbed roof water inrush test device as claimed in claim 3, wherein: an operation plate (7) is installed on one side of the adjusting plate (10), and a moving wheel (8) is installed at the bottom of the adjusting plate (10) and the bottom of the installation box (12) through bolts.

5. The simulated coalbed roof water inrush test device of claim 1, wherein: grooves (13) are formed in two sides of the test operation table (1).

6. The simulated coalbed roof water inrush test device of claim 1, wherein: both sides of the grid baffle frame (14) are connected with butterfly bolts in a threaded mode, and one ends of the butterfly bolts extend to the inner cavity of the groove (13).

Images