CN217520500U - Coal mine underground measurement permanent control point device - Google Patents
Coal mine underground measurement permanent control point device Download PDFInfo
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- CN217520500U CN217520500U CN202221677028.5U CN202221677028U CN217520500U CN 217520500 U CN217520500 U CN 217520500U CN 202221677028 U CN202221677028 U CN 202221677028U CN 217520500 U CN217520500 U CN 217520500U
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Abstract
The utility model discloses a colliery is permanent control point device in pit, including the screw-thread steel connecting rod, screw-thread steel connecting rod bottom outer wall is provided with the prism, and prismatic both sides outer wall has seted up the spacing groove, prismatic outer wall is provided with wire guide coupling mechanism, wire guide coupling mechanism includes the copper wire guide, and copper wire guide top outer wall seted up with prismatic assorted arris groove, the bevel connection has been seted up to copper wire guide outer wall. The utility model effectively prevents the point position deviation of the measurement control point caused by the stress deformation of the tunnel by embedding the whole length of the deformed steel bar into the tunnel top plate, and ensures that the stability of the measurement control point is not influenced when the tunnel is in an abscission layer or a guniting material is peeled; copper wire head anticorrosion, be afraid of the corrosion, threading convenience, simple to operate, the cotton rope is hung perpendicularly after passing in the hollow cylinder of bottom, can not produce the displacement, effectively improves measured data's accuracy and stability, finally realizes the accurate link up in underworkings.
Description
Technical Field
The utility model relates to a colliery measures technical field, especially relates to a colliery is permanent control point device of survey in pit.
Background
Because colliery is excavation tunnel country rock in the pit is mostly IV to VI class country rock, and the country rock pressure is big, and the ore deposit is pressed and is appeared, carries out numerical simulation analysis to the tunnel support mode through to excavation tunnel country rock physics mechanics parameter and tunnel support parameter, and it is to obtain that the country rock stress after the tunnel excavation, deformation and destruction degree of depth are: the deformation of the roadway is 65mm at the left side, 66mm at the right side and 45mm at the top plate, the damage depth of the surrounding rock is 1.5m at the top plate, 1.5m at the bottom plate and 1.5m at the two sides. The tunnel whitewashing thickness is 100mm, according to the surrounding rock deformation influence, receives the biggest degree of depth of stress influence deformation to be 0.17m behind the tunnel whitewashing, and the permanent control point length of measurement that the colliery was used at ordinary times is mostly 0.2m or at whitewashing layer surface nail cement peg cotton rope, can not effectively reduce because of the measuring point position displacement error that the tunnel surrounding rock deformation caused.
In order to solve the problem that displacement errors of measurement point positions are caused by deformation of roadway surrounding rocks of measurement control points, a permanent control point device for underground coal mine measurement is designed and used for accurately transmitting three-dimensional coordinates of the measurement control points in the underground measurement process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a coal mine underground measurement permanent control point device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a colliery is permanent control point device in pit, includes the screw-thread steel connecting rod, screw-thread steel connecting rod bottom outer wall is provided with the prism, and prismatic both sides outer wall has seted up the spacing groove, prismatic outer wall is provided with wire guide coupling mechanism, wire guide coupling mechanism includes copper wire guide, and copper wire guide top outer wall seted up with prismatic assorted arris groove, the bevel connection has been seted up to copper wire guide outer wall, the through wires hole has been seted up to copper wire guide's bottom outer wall.
Preferably, the outer wall of the copper lead is provided with two mounting grooves, and the inner walls of the two mounting grooves are provided with connecting mechanisms.
Preferably, the connecting mechanism comprises a limiting box, a round opening is formed in the outer wall of one side of the limiting box, and a limiting pin matched with the limiting groove is connected to the inner wall of the round opening in a sliding mode.
Preferably, two slide bars are fixedly connected to the inner wall of one side of the limiting box, a first spring and a second spring are sleeved on the outer wall of each slide bar, the outer wall of each slide bar is slidably connected with one sliding plate, each sliding plate is fixedly connected to the corresponding limiting pin, the inner wall of the limiting box is fixedly connected with a mounting frame, and the inner wall of the mounting frame is connected with a roll shaft through a bearing.
Preferably, one side outer wall of spacing case is provided with the apron, and one side outer wall of apron has seted up the rectangle mouth, the inner wall sliding connection of rectangle mouth has the regulating block, spacing bottom of the case inner wall fixedly connected with elastic component, the inner wall sliding connection of spacing case has the drive block, and drive block and regulating block are connected, be provided with the steel cable on the drive block, and the steel cable passes the roller and connects on the sliding plate.
Preferably, the elastic assembly comprises a spring rod, and one end of the spring rod is connected to the driving block.
Preferably, the elastic component comprises a telescopic rod, one end of the telescopic rod is connected to the driving block, and the outer wall of the telescopic rod is sleeved with a second spring.
The utility model has the advantages that:
1. the utility model effectively prevents the point position deviation of the measurement control point caused by the stress deformation of the tunnel by embedding the whole length of the deformed steel bar into the tunnel top plate, and ensures that the stability of the measurement control point is not influenced when the tunnel is in a separation layer or the slurry spraying material is peeled; copper wire head anticorrosion, be afraid of the corrosion, threading convenience, simple to operate, the cotton rope is hung perpendicularly after passing in the hollow cylinder of bottom, can not produce the displacement, effectively improves measured data's accuracy and stability, finally realizes the accurate link up in underworkings.
2. The utility model discloses a set up the prism on the screw-thread steel connecting rod, set up the edge groove again overhead at copper wire, simultaneously through overhead coupling mechanism that sets up at copper wire to the convenience is connected copper wire head fast and screw-thread steel connecting rod, but realizes copper wire head's quick detach function.
Drawings
Fig. 1 is a schematic structural view of a coal mine underground measurement permanent control point device provided by the utility model;
FIG. 2 is a schematic structural view of a deformed steel bar connecting rod of the device for measuring a permanent control point in a coal mine;
fig. 3 is a schematic structural view of a lead connecting mechanism of a device for measuring a permanent control point in a coal mine;
fig. 4 is a schematic view of a connecting mechanism of a coal mine underground permanent control point measurement device provided by the utility model;
fig. 5 is an installation schematic diagram of the permanent control point device for coal mine underground measurement provided by the utility model.
In the figure: 1. a deformed steel bar connecting rod; 2. a lead connecting mechanism; 3. a prism; 4. a limiting groove; 5. a copper lead; 6. a ridge groove; 7. a connecting mechanism; 8. a bevel opening; 10. pulling a rope; 11. a limiting box; 12. a spacing pin; 13. a sliding plate; 14. a first spring; 15. a slide bar; 16. a roll shaft; 17. a cover plate; 18. a drive block; 19. an elastic component; 20. a roadway roof; 21. and a regulating block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-5, a permanent control point device for underground coal mine measurement comprises a deformed steel bar connecting rod 1, wherein the deformed steel bar connecting rod 1 is made of deformed steel bars with the diameter of 20mm and the length of 45cm, a prism 3 is arranged on the outer wall of the bottom of the deformed steel bar connecting rod 1, the prism 3 with the diameter of 1cm is made at the position 2cm below the deformed steel bars as the connecting position of a measurement control point, the outer walls of the two sides of the prism 3 are provided with limiting grooves 4, the outer wall of the prism 3 is provided with a lead head connecting mechanism 2, the lead head connecting mechanism 2 comprises a copper lead head 5, the copper lead head 5 is made of a copper rod with the diameter of 20mm and the length of 5cm, and 5 top outer walls of copper wire heads 5 have been seted up with prismatic 3 assorted arris grooves 6, 5 outer walls of copper wire heads have been seted up bevel connection 8, the through wires hole has been seted up to the bottom outer wall of copper wire heads 5, the setting of through wires hole is convenient to be fixed stay cord 10.
In the utility model, the outer wall of the copper wire head 5 is provided with two mounting grooves, the inner walls of the two mounting grooves are provided with a connecting mechanism 7, the connecting mechanism 7 comprises a limiting box 11, the outer wall of one side of the limiting box 11 is provided with a round opening, the inner wall of the round opening is slidably connected with a limiting pin 12 matched with the limiting groove 4, the matching between the limiting pin 12 and the limiting groove 4 facilitates the connection of the copper wire head 5 on the prism 3, the inner wall of one side of the limiting box 11 is fixedly connected with two sliding rods 15, the outer wall of the sliding rod 15 is sleeved with a spring I14, the arrangement of the spring I14 facilitates the driving of the limiting pin 12 to be inserted into the limiting groove 4, the outer walls of the two sliding rods 15 are slidably connected with the same sliding plate 13, the sliding plate 13 is fixedly connected on the limiting pin 12, the inner wall of the limiting box 11 is fixedly connected with a mounting frame, the inner wall of the mounting frame is connected with a roller 16 through a bearing, one side outer wall of the limiting box 11 is provided with a cover plate 17, roller 16's the convenient direction that changes the steel cable that sets up, and then conveniently cooperate regulating block 21 to drive, and the rectangle mouth has been seted up to one side outer wall of apron 17, the inner wall sliding connection of rectangle mouth has regulating block 21, spacing case 11 bottom inner wall fixed connection elastic component 19, spacing case 11's inner wall sliding connection has drive block 18, and drive block 18 and regulating block 21 are connected, be provided with the steel cable on the drive block 18, and the steel cable passes roller 16 and connects on sliding plate 13, coupling mechanism 7 sets up the convenience and carries out quick assembly disassembly to copper wire guide 5.
The utility model discloses in, elastic component 19 includes the spring beam, and the one end of spring beam is connected at drive block 18.
The working principle is as follows: the deformed steel bar connecting rod 1 is made of deformed steel bars with the diameter of 20mm and the length of 45cm, a prism 3 with the diameter of 1cm is made at the position 2cm below the deformed steel bars and serves as a connecting part of a measurement control point, when the deformed steel bars are embedded into the top of an underground roadway in full length, point position deviation of the measurement control point caused by stress deformation of the roadway can be effectively prevented, and the stability of the measurement control point is not influenced under the condition of roadway separation or slurry spraying peeling; the copper wire head 5 is made of a copper rod with the diameter of 20mm and the length of 5cm, a 2cm part at the top of the copper rod is made into a prismatic groove 6 with the central diameter of 1cm, a 2 cm-3.5 cm part at the top of the copper rod is cut into a 45-degree oblique opening, a pull rope 10 is threaded on a hollow cylinder at the bottom, so that the underground coal mine measurement can be carried out, the stability of a measurement point position is ensured, and the measurement precision is ensured at the same time, two connecting mechanisms 7 are arranged on the copper wire head 5, during connection, the copper wire head 5 is directly sleeved on the outer wall of a prism 3, before connection, two adjusting blocks 21 are firstly slid downwards, the adjusting blocks 21 move to drive a driving block 18 to downwards move to compress a spring rod, meanwhile, the driving block 18 moves to drive a steel rope, through the matching of a roller shaft 16, the limiting pin 12 is conveniently driven to be accommodated in a limiting box 11 through a sliding plate 13, at the moment, the adjusting block is sleeved on the outer wall of the prism 3, and then the adjusting blocks 21 are loosened, the limiting pin 12 is driven by the first spring 14 to be inserted into the limiting groove 4 on the prism 3, so that quick connection is realized.
Example two
Referring to fig. 1-5, a permanent control point device for underground coal mine measurement comprises a deformed steel bar connecting rod 1, wherein the deformed steel bar connecting rod 1 is made of deformed steel bars with the diameter of 20mm and the length of 45cm, a prism 3 is arranged on the outer wall of the bottom of the deformed steel bar connecting rod 1, the prism 3 with the diameter of 1cm is made at the position 2cm below the deformed steel bars as the connecting position of a measurement control point, the outer walls of the two sides of the prism 3 are provided with limiting grooves 4, the outer wall of the prism 3 is provided with a lead head connecting mechanism 2, the lead head connecting mechanism 2 comprises a copper lead head 5, the copper lead head 5 is made of a copper rod with the diameter of 20mm and the length of 5cm, and the outer wall of the top of the copper wire head 5 is provided with a prismatic groove 6 matched with the prism 3, the outer wall of the copper wire head 5 is provided with an oblique opening 8, the outer wall of the bottom of the copper wire head 5 is provided with a threading hole, and the stay cord 10 is conveniently fixed by the arrangement of the threading hole.
In the utility model, the outer wall of the copper wire head 5 is provided with two mounting grooves, the inner walls of the two mounting grooves are provided with a connecting mechanism 7, the connecting mechanism 7 comprises a limiting box 11, the outer wall of one side of the limiting box 11 is provided with a round opening, the inner wall of the round opening is slidably connected with a limiting pin 12 matched with the limiting groove 4, the matching between the limiting pin 12 and the limiting groove 4 facilitates the connection of the copper wire head 5 on the prism 3, the inner wall of one side of the limiting box 11 is fixedly connected with two sliding rods 15, the outer wall of the sliding rod 15 is sleeved with a spring I14, the arrangement of the spring I14 facilitates the driving of the limiting pin 12 to be inserted into the limiting groove 4, the outer walls of the two sliding rods 15 are slidably connected with the same sliding plate 13, the sliding plate 13 is fixedly connected on the limiting pin 12, the inner wall of the limiting box 11 is fixedly connected with a mounting frame, the inner wall of the mounting frame is connected with a roller 16 through a bearing, one side outer wall of the limiting box 11 is provided with a cover plate 17, roller 16's the convenient direction that changes the steel cable that sets up, and then conveniently cooperate regulating block 21 to drive, and the rectangle mouth has been seted up to one side outer wall of apron 17, the inner wall sliding connection of rectangle mouth has regulating block 21, spacing case 11 bottom inner wall fixed connection elastic component 19, spacing case 11's inner wall sliding connection has drive block 18, and drive block 18 and regulating block 21 are connected, be provided with the steel cable on the drive block 18, and the steel cable passes roller 16 and connects on sliding plate 13, coupling mechanism 7 sets up the convenience and carries out quick assembly disassembly to copper wire guide 5.
The utility model discloses in, elastic component 19 includes the telescopic link, and the one end of telescopic link is connected at drive block 18, and the outer wall of telescopic link has cup jointed spring two.
The working principle is as follows: the deformed steel bar connecting rod 1 is made of deformed steel bars with the diameter of 20mm and the length of 45cm, a prism 3 with the diameter of 1cm is made at the position 2cm below the deformed steel bars and serves as a connecting part of a measurement control point, when the deformed steel bars are embedded into the top of an underground roadway in full length, point position deviation of the measurement control point caused by stress deformation of the roadway can be effectively prevented, and the stability of the measurement control point is not influenced under the condition of roadway separation or slurry spraying peeling; the copper wire head 5 is made of a copper rod with the diameter of 20mm and the length of 5cm, a 2cm part at the top of the copper rod is made into a prismatic groove 6 with the central diameter of 1cm, a 2 cm-3.5 cm part at the top of the copper rod is cut into a 45-degree oblique opening, a pull rope 10 is threaded on a hollow cylinder at the bottom, so that the underground coal mine measurement can be carried out, the stability of a measurement point position is ensured, and the measurement precision is ensured at the same time, two connecting mechanisms 7 are arranged on the copper wire head 5, during connection, the copper wire head 5 is directly sleeved on the outer wall of a prism 3, before connection, two adjusting blocks 21 are downwards slid, the adjusting blocks 21 move to drive a driving block 18 to downwards move to compress a spring II, meanwhile, the driving block 18 moves to drive a steel rope, through the matching of a roller shaft 16, the limiting pin 12 is conveniently driven to be accommodated in a limiting box 11 through a sliding plate 13, at the moment, the adjusting block is sleeved on the outer wall of the prism 3, and then the adjusting blocks 21 are loosened, the limiting pin 12 is driven by the first spring 14 to be inserted into the limiting groove 4 on the prism 3, so that quick connection is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a colliery is permanent control point device in pit, includes screw-thread steel connecting rod (1), its characterized in that, screw-thread steel connecting rod (1) bottom outer wall is provided with prism (3), and the both sides outer wall of prism (3) has seted up spacing groove (4), the outer wall of prism (3) is provided with wire guide coupling mechanism (2), wire guide coupling mechanism (2) are including copper wire guide (5), and copper wire guide (5) top outer wall seted up with prism (3) assorted arris groove (6), bevel connection (8) have been seted up to copper wire guide (5) outer wall, the through wires hole has been seted up to the bottom outer wall of copper wire guide (5).
2. The coal mine underground measurement permanent control point device according to claim 1, wherein the outer wall of the copper wire guide head (5) is provided with two mounting grooves, and the inner walls of the two mounting grooves are provided with connecting mechanisms (7).
3. The coal mine underground measurement permanent control point device according to claim 2, characterized in that the connecting mechanism (7) comprises a limiting box (11), a round opening is formed in the outer wall of one side of the limiting box (11), and a limiting pin (12) matched with the limiting groove (4) is connected to the inner wall of the round opening in a sliding mode.
4. The coal mine underground measurement permanent control point device according to claim 3, characterized in that two sliding rods (15) are fixedly connected to the inner wall of one side of the limiting box (11), a first spring (14) is sleeved on the outer wall of each sliding rod (15), the same sliding plate (13) is slidably connected to the outer walls of the two sliding rods (15), the sliding plate (13) is fixedly connected to the limiting pin (12), a mounting frame is fixedly connected to the inner wall of the limiting box (11), and the inner wall of the mounting frame is connected with a roll shaft (16) through a bearing.
5. The coal mine underground measurement permanent control point device according to claim 4, characterized in that a cover plate (17) is arranged on the outer wall of one side of the limit box (11), a rectangular opening is formed in the outer wall of one side of the cover plate (17), an adjusting block (21) is connected to the inner wall of the rectangular opening in a sliding mode, an elastic component (19) is fixedly connected to the inner wall of the bottom of the limit box (11), a driving block (18) is connected to the inner wall of the limit box (11) in a sliding mode, the driving block (18) is connected with the adjusting block (21), a steel rope is arranged on the driving block (18), and the steel rope penetrates through the roller shaft (16) and is connected to the sliding plate (13).
6. The coal mine underground measurement permanent control point device according to claim 5, characterized in that the elastic component (19) comprises a spring rod, and one end of the spring rod is connected with the driving block (18).
7. The coal mine underground measurement permanent control point device according to claim 5, wherein the elastic component (19) comprises a telescopic rod, one end of the telescopic rod is connected to the driving block (18), and the outer wall of the telescopic rod is sleeved with a second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677028.5U CN217520500U (en) | 2022-07-01 | 2022-07-01 | Coal mine underground measurement permanent control point device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677028.5U CN217520500U (en) | 2022-07-01 | 2022-07-01 | Coal mine underground measurement permanent control point device |
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| Publication Number | Publication Date |
|---|---|
| CN217520500U true CN217520500U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221677028.5U Active CN217520500U (en) | 2022-07-01 | 2022-07-01 | Coal mine underground measurement permanent control point device |
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| CN (1) | CN217520500U (en) |
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- 2022-07-01 CN CN202221677028.5U patent/CN217520500U/en active Active
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