CN216361020U - Early warning device for preventing and treating rock burst of coal mine - Google Patents
Early warning device for preventing and treating rock burst of coal mine Download PDFInfo
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- CN216361020U CN216361020U CN202123263747.0U CN202123263747U CN216361020U CN 216361020 U CN216361020 U CN 216361020U CN 202123263747 U CN202123263747 U CN 202123263747U CN 216361020 U CN216361020 U CN 216361020U
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Abstract
The utility model discloses an early warning device for preventing and treating rock burst of a coal mine, which comprises a supporting plate, wherein the bottom of the supporting plate is fixedly connected with a sleeve, the bottom end of the sleeve is provided with an opening, the inner wall of the sleeve is fixedly connected with a retainer, the retainer is rotatably connected with a bidirectional threaded pipe through a bearing, and the top end of the bidirectional threaded pipe penetrates through the bottom of the supporting plate and is fixedly sleeved with a first hand wheel; when the stress meter is used, the sleeve is inserted into the drill hole, the bidirectional threaded pipe is rotated through the first hand wheel, so that the two threaded sleeves move towards the middle of the bidirectional threaded pipe simultaneously, the top plates are pushed towards the outer side of the sleeve through the connecting rod, the top plates are tightly attached to the inner wall of the drill hole, the sleeve is fixed, then the nut is rotated through the second hand wheel, the outer threaded pipe moves downwards through the matching of the guide block and the guide groove, so that the stress meter is pushed out from the top end opening of the sleeve, the use is convenient, and a good protection effect can be achieved on the stress meter.
Description
Technical Field
The utility model relates to the field of rock burst prevention and early warning, in particular to an early warning device for coal mine rock burst prevention and control.
Background
In the rock burst monitoring and early warning method for coal mine prevention and control, a drilling cutting method is one of the most economic and effective methods for predicting rock burst in a coal mine, the stress state in a coal rock mass is evaluated according to the quantity of coal dust at different drilling depths and the macroscopic power phenomenon in the drilling process, and then the impact risk of the coal mass is monitored and tested.
However, in the traditional rock burst early warning device for coal mine prevention and treatment in the market, when the device is used, a stress meter needs to be placed in a drilled hole, and in the device process, the stress meter inevitably collides with the hole wall, so that the stress meter is possibly damaged and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an early warning device for preventing and controlling rock burst of a coal mine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a colliery is early warning device for rock burst prevention and cure, includes the backup pad, the bottom fixedly connected with bottom of backup pad is equipped with the open-ended sleeve, telescopic inner wall fixedly connected with holder, the holder rotates through the bearing and is connected with two-way screwed pipe, fixed the cup jointing has first hand wheel after the bottom of backup pad is run through to the top of two-way screwed pipe, two thread bush have been cup jointed in the outer wall symmetry fit that two-way screwed pipe is located the sleeve, the outer wall of thread bush evenly articulates there is not less than three connecting rod, the outer wall of sleeve all has seted up the open slot with the correspondence department of connecting rod, the one end of every two corresponding connecting rods is worn out the sleeve by the open slot and is articulated jointly the roof, wear to be equipped with outer threaded pipe in the two-way threaded pipe, the inner wall fixedly connected with deflector of sleeve, fixedly connected with the stressmeter after the deflector is run through to the bottom of outer threaded pipe, the deflector is connected with external screw thread pipe sliding connection, the stressmeter is connected with the stressmeter host computer through the data line of wearing out in by the external screw thread pipe, be provided with actuating mechanism in the backup pad.
As a further scheme of the utility model: the top fixedly connected with support of backup pad, run through on the support be provided with the through-hole of external screw thread pipe looks adaptation, the top of external screw thread pipe is passed by the through-hole, two guide blocks of the inner wall symmetry fixedly connected with of through-hole, the guide way has been seted up with the department that corresponds of guide block to the outer wall of external screw thread pipe, the guide block is located the guide way that corresponds.
As a further scheme of the utility model: the driving mechanism comprises a nut which is sleeved on the outer threaded pipe in a matching mode, the nut is rotatably connected with the top of the support, and a second hand wheel is fixedly sleeved on the outer wall of the nut.
As a further scheme of the utility model: the top of the supporting plate is symmetrically and fixedly connected with two handles.
As a still further scheme of the utility model: the outer wall of roof evenly is provided with a plurality of antiskid teeth.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the stress meter is used, the sleeve is inserted into the drill hole, the bidirectional threaded pipe is rotated through the first hand wheel, the two threaded sleeves are simultaneously moved to the middle part of the bidirectional threaded pipe through the matching of the connecting rod and the open slot, so that the top plates are pushed to the outer side of the sleeve through the connecting rod, the top plates are tightly attached to the inner wall of the drill hole, the sleeve is fixed, then the nut is rotated through the second hand wheel, the outer threaded pipe is moved downwards through the matching of the guide block and the guide slot, and the stress meter is pushed out from the top end opening of the sleeve.
2. According to the utility model, through the arrangement of the anti-slip teeth, when the top plate is contacted with the inner wall of the drill hole, the anti-slip teeth can be embedded into the hole wall, so that the connection strength of the top plate and the hole wall is improved, and the stability of the sleeve in the drill hole is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an early warning device for preventing and treating rock burst in a coal mine.
Fig. 2 is a schematic view of the internal structure of a sleeve in the early warning device for preventing and treating rock burst in a coal mine.
Fig. 3 is a schematic structural diagram of a guide block in the early warning device for preventing and controlling rock burst in a coal mine.
The anti-skid device comprises a supporting plate 1, a handle 2, a sleeve 3, a bidirectional threaded pipe 4, a threaded sleeve 5, a connecting rod 6, a top plate 7, anti-skid teeth 8, a retainer 9, a first hand wheel 10, a support 11, an external threaded pipe 12, a guide block 13, a guide groove 14, a nut 15, a second hand wheel 16, a guide plate 17, a stress meter 18, a stress meter host 19 and an open groove 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the utility model, an early warning device for preventing and treating rock burst in a coal mine comprises a support plate 1, a sleeve 3 with an opening at the bottom end is fixedly connected to the bottom of the support plate 1, a retainer 9 is fixedly connected to the inner wall of the sleeve 3, the retainer 9 is rotatably connected to a bidirectional threaded pipe 4 through a bearing, a first hand wheel 10 is fixedly sleeved at the top end of the bidirectional threaded pipe 4 after penetrating through the bottom of the support plate 1, two threaded sleeves 5 are symmetrically sleeved on the outer wall of the bidirectional threaded pipe 4 in the sleeve 3 in a matched manner, no less than three connecting rods 6 are uniformly hinged on the outer wall of each threaded sleeve 5, open grooves 20 are respectively formed in the outer wall of the sleeve 3 and the corresponding positions of the connecting rods 6, one end of each two corresponding connecting rods 6 penetrates through the sleeve 3 from the open groove 20 and is hinged to a top plate 7, an external threaded pipe 12 is penetrated in the bidirectional threaded pipe 4, the inner wall fixedly connected with deflector 17 of sleeve 3, fixedly connected with stressmeter 18 behind deflector 17 is run through to the bottom of external screw tube 12, deflector 17 and external screw tube 12 sliding connection, stressmeter 18 is connected with stressmeter host computer 19 through the data line of wearing out in by external screw tube 12, be provided with actuating mechanism on the backup pad 1.
The top fixedly connected with support 11 of backup pad 1, run through on the support 11 and be provided with the through-hole with external screw thread pipe 12 looks adaptation, the top of external screw thread pipe 12 is passed by the through-hole, two guide blocks 13 of the inner wall symmetry fixedly connected with of through-hole, guide way 14 has been seted up with the department of correspondence of guide block 13 to the outer wall of external screw thread pipe 12, guide block 13 is located corresponding guide way 14.
The driving mechanism comprises a nut 15 which is sleeved on the outer threaded pipe 12 in a matching mode, the nut 15 is rotatably connected with the top of the support 11, and a second hand wheel 16 is fixedly sleeved on the outer wall of the nut 15.
The top of the supporting plate 1 is symmetrically and fixedly connected with two handles 2.
The outer wall of roof 7 evenly is provided with a plurality of antiskid teeth 8, and through the setting of antiskid tooth 8, when roof 7 and the contact of drilling inner wall, antiskid tooth 8 can imbed in the pore wall to improve the joint strength of roof 7 and pore wall.
The working principle of the utility model is as follows:
when the double-direction threaded pipe drill is used, the sleeve 3 is inserted into a drill hole, the support plate 1 is attached to the ground, the two-direction threaded pipe 4 is rotated through the first hand wheel 10, the two threaded sleeves 5 are simultaneously moved to the middle of the two-direction threaded pipe 4 through the matching of the connecting rod 6 and the open slot 20, the top plates 7 are pushed to the outer side of the sleeve 3 through the connecting rod 6, the top plates 7 are tightly attached to the inner wall of the drill hole, the sleeve 3 is fixed, then the nut 15 is rotated through the second hand wheel 16, the outer threaded pipe 12 is moved downwards through the matching of the guide block 13 and the guide slot 14, the stress meter 18 is pushed out from the top end opening of the sleeve 3, the double-direction threaded pipe drill is convenient to use, and the stress meter 18 can be well protected.
According to the utility model, through the arrangement of the anti-slip teeth 8, when the top plate 7 is contacted with the inner wall of the drill hole, the anti-slip teeth 8 can be embedded into the hole wall, so that the connection strength of the top plate 7 and the hole wall is improved, and the stability of the sleeve 3 in the drill hole is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a colliery is early warning device for rock burst prevention and cure which characterized in that: comprises a supporting plate (1), the bottom fixedly connected with bottom of the supporting plate (1) is provided with an open-ended sleeve (3), the inner wall fixedly connected with holder (9) of the sleeve (3), the holder (9) is connected with a bidirectional threaded pipe (4) through a bearing in a rotating way, the top end of the bidirectional threaded pipe (4) is fixedly sleeved with a first hand wheel (10) after penetrating through the bottom of the supporting plate (1), the outer wall of the bidirectional threaded pipe (4) in the sleeve (3) is symmetrically matched and sleeved with two threaded sleeves (5), the outer wall of each threaded sleeve (5) is uniformly hinged with at least three connecting rods (6), the outer wall of the sleeve (3) and the corresponding positions of the connecting rods (6) are respectively provided with an open slot (20), one end of each two corresponding connecting rods (6) is penetrated out of the open slot (20) and then is hinged with a top plate (7) together, wear to be equipped with external screw thread pipe (12) in two-way screwed pipe (4), the inner wall fixedly connected with deflector (17) of sleeve (3), fixedly connected with stressmeter (18) behind deflector (17) are run through to the bottom of external screw thread pipe (12), deflector (17) and external screw thread pipe (12) sliding connection, stressmeter (18) are connected with stressmeter host computer (19) through the data line of wearing out in by external screw thread pipe (12), be provided with actuating mechanism on backup pad (1).
2. The early warning device for preventing and treating rock burst in coal mine according to claim 1, characterized in that: the top fixedly connected with support (11) of backup pad (1), run through on support (11) and be provided with the through-hole with external screw thread pipe (12) looks adaptation, the top of external screw thread pipe (12) is passed by the through-hole, two guide block (13) of the inner wall symmetry fixedly connected with of through-hole, guide way (14) have been seted up with the department that corresponds of guide block (13) to the outer wall of external screw thread pipe (12), guide block (13) are located corresponding guide way (14).
3. The early warning device for preventing and treating rock burst in coal mine according to claim 2, characterized in that: the driving mechanism comprises a nut (15) which is sleeved on the outer threaded pipe (12) in a matching mode, the nut (15) is rotatably connected with the top of the support (11), and a second hand wheel (16) is fixedly sleeved on the outer wall of the nut (15).
4. The early warning device for preventing and treating rock burst in coal mine according to claim 1, characterized in that: the top of the supporting plate (1) is symmetrically and fixedly connected with two handles (2).
5. The early warning device for preventing and treating rock burst in coal mine according to claim 1, characterized in that: the outer wall of the top plate (7) is uniformly provided with a plurality of anti-skidding teeth (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263747.0U CN216361020U (en) | 2021-12-23 | 2021-12-23 | Early warning device for preventing and treating rock burst of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263747.0U CN216361020U (en) | 2021-12-23 | 2021-12-23 | Early warning device for preventing and treating rock burst of coal mine |
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| CN216361020U true CN216361020U (en) | 2022-04-22 |
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| CN202123263747.0U Active CN216361020U (en) | 2021-12-23 | 2021-12-23 | Early warning device for preventing and treating rock burst of coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108359A (en) * | 2023-08-22 | 2023-11-24 | 河南理工大学 | Colliery rock burst monitoring early warning device |
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2021
- 2021-12-23 CN CN202123263747.0U patent/CN216361020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108359A (en) * | 2023-08-22 | 2023-11-24 | 河南理工大学 | Colliery rock burst monitoring early warning device |
| CN117108359B (en) * | 2023-08-22 | 2024-04-16 | 河南理工大学 | Colliery rock burst monitoring early warning device |
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