CN221144429U - Lifting protection rod for measuring control point of non-coal mine underground roadway - Google Patents
Lifting protection rod for measuring control point of non-coal mine underground roadway Download PDFInfo
- Publication number
- CN221144429U CN221144429U CN202323300885.0U CN202323300885U CN221144429U CN 221144429 U CN221144429 U CN 221144429U CN 202323300885 U CN202323300885 U CN 202323300885U CN 221144429 U CN221144429 U CN 221144429U
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- Prior art keywords
- support pipe
- support
- control point
- measurement control
- cylinder
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- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000005641 tunneling Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a lifting protection rod for a measurement control point of a non-coal mine underground roadway, which comprises a protection cylinder, a support pipe group and a fixed cone, wherein the protection cylinder, the support pipe group and the fixed cone are sequentially connected from top to bottom, the support pipe group comprises at least three support pipes, the lower support pipes are arranged in the upper support pipes in a penetrating manner, except for the lowest support pipe, limiting screws are arranged on the pipe walls of the support pipes in a penetrating manner, pedals are arranged on the pipe walls of the lowest support pipes, and the axes of the protection cylinder, the support pipe group and the fixed cone are in the same straight line. The protection cylinder is used for fixing the protection cylinder with a roadway roof, temporarily furling the perpendicular line of a suspended measurement control point, releasing the protected measurement control point again after the support is finished, loosening a limit screw, adjusting the length of a support pipe group, and determining that a fixed cone can be stably pricked into the roadway ground by stepping on a pedal.
Description
Technical Field
The utility model belongs to the technical field of non-coal mine underground roadway tunneling, and particularly relates to a lifting protection rod for a measurement control point of a non-coal mine underground roadway.
Background
In the non-coal mine underground roadway tunneling process, the measurement control points are distributed on the roadway top plate along the tunneling roadway, the stress of surrounding rock of the roadway changes in the later period due to mining and geological reasons, the top plate is broken, the roadway is required to be supported and maintained stably, so that the measurement control points are often damaged, the support engineering construction team also takes measures, such as using grids to clamp plastic bottles to protect the measurement control points when the anchor net is used for supporting, or using impact drills to fix the plastic bottles to protect the measurement control points around the measurement control points, and the like.
Disclosure of utility model
The utility model aims to provide a lifting protection rod for a measurement control point of a non-coal mine underground roadway, so as to solve the problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a non-colliery underground roadway measurement control point lift protection pole, includes from top to bottom in proper order the protection drum that connects, support nest of tubes and fixed cone, support nest of tubes includes three spinal branch stay tube at least, and the stay tube of below wears to locate in the stay tube of top, except that the stay tube of below, all wears to establish limit screw on the pipe wall of stay tube, sets up the footboard on the pipe wall of the stay tube of below, and the axis of protection drum, support nest of tubes and fixed cone is on same straight line.
In order to further realize the utility model, the protection cylinder comprises a storage cylinder and a contact cylinder arranged in the storage cylinder, the top surface of the contact cylinder comprises an inclined surface and a plane provided with saw teeth, the inclined surface and the plane are separated along the diameter of the contact cylinder, a through brake screw hole is arranged on the bottom plates of the contact cylinder and the storage cylinder, and a brake screw rod is arranged in the brake screw hole. The contact cylinder can rotate in the storage cylinder by 360 degrees, so that inclined plane pricking fixation or saw tooth plane pricking is convenient to select according to the condition of the roadway roof, and the application range is wider; the receiving cylinder can indirectly improve the rigidity of the contact cylinder.
In order to further implement the utility model, the top end of the bevel is flush with the flat surface.
In order to further realize the utility model, the shape of the top surface of the storage barrel is the same as that of the top surface of the contact barrel.
In order to further realize the utility model, the support pipe group sequentially comprises a support pipe I, a support pipe II and a support pipe III from top to bottom, wherein the bottom of the support pipe I is sleeved outside the support pipe II, the bottom of the support pipe II is sleeved outside the support pipe III, limiting screw holes are respectively formed in the pipe walls of the support pipe I and the support pipe II, limiting screws penetrate through limiting screws, and handles are arranged on the limiting screws.
In order to further realize the utility model, the braking screw is arranged at the axle center position of the protection cylinder, and the axis of the braking screw is overlapped with the axis of the protection cylinder.
In order to further realize the utility model, the limit screws are respectively and vertically arranged on the pipe wall of the support pipe I or the support pipe II.
In order to further carry out the utility model, the pedals are arranged perpendicular to the support tube iii.
Compared with the prior art, the utility model has the beneficial effects that:
The protection cylinder is used for fixing the protection cylinder with a roadway roof, temporarily furling the perpendicular line of a suspended measurement control point, releasing the protected measurement control point again after the support is finished, loosening a limit screw, adjusting the length of a support pipe group, and determining that a fixed cone can be stably pricked into the roadway ground by stepping on a pedal.
The utility model has reasonable design, flexible lifting, convenient carrying and convenient operation, can be operated by one person on the roadway bottom plate, does not need to erect a ladder to protect a measurement control point on the roadway top plate, can be repeatedly used, saves time and labor during operation, and saves labor force.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
FIG. 5 is a sectional view D-D of FIG. 1;
The reference numerals have the following meanings: 1. a protection cylinder; 2. a support tube group; 3. a fixed cone; 4. a limit screw; 5. a pedal; 6. a storage barrel; 7. a contact cylinder; 8. an inclined plane; 9. a plane; 10. braking the screw; 11. a support tube I; 12. a support tube II; 13. supporting the tube III; 14. a handle.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1-5, a lifting protection rod for a non-coal mine underground roadway measurement control point comprises a protection cylinder 1, a support pipe group 2 and a fixed cone 3 which are sequentially connected from top to bottom, wherein the protection cylinder 1 comprises a storage cylinder 6 and a contact cylinder 7 arranged in the storage cylinder 6, the top surface of the contact cylinder 7 comprises an inclined surface 8 and a plane 9 provided with saw teeth, the inclined surface 8 and the plane 9 are separated along the diameter of the contact cylinder 7, the top end of the inclined surface 8 is flush with the plane 9, the top surface of the storage cylinder 6 is identical to the top surface of the contact cylinder 7 in shape, through brake screw holes are formed in the bottom plates of the contact cylinder 7 and the storage cylinder 6, a brake screw rod 10 is arranged in the brake screw hole, the brake screw rod 10 is arranged at the axial position of the protection cylinder 1, and the axis of the brake screw rod 10 overlaps with the axis of the protection cylinder 1; the support pipe group 2 comprises at least three support pipes, the support pipe group 2 sequentially comprises a support pipe I11, a support pipe II 12 and a support pipe III 13 from top to bottom, the bottom of the support pipe I11 is sleeved outside the support pipe II 12, the bottom of the support pipe II 12 is sleeved outside the support pipe III 13, limiting screws 4 penetrating through limiting screw holes are respectively arranged on the pipe walls of the support pipe I11 and the support pipe II 12, the limiting screws 4 are respectively and vertically arranged on the pipe walls of the support pipe I11 or the support pipe II 12, a handle 14 is arranged on the limiting screws 4, a pedal 5 is arranged on the pipe wall of the support pipe at the lowest position, the pedal 5 is vertically arranged with the support pipe III 13, and the axes of the protection cylinder 1, the support pipe group and the fixing cone 3 are on the same straight line.
According to the condition of the tunnel top plate is a plane or an inclined plane, the braking screw 10 is loosened, the inclined plane 8 or the plane 9 is rotated by the rotary contact cylinder 7 until the top of the storage cylinder 6 is exposed, the braking screw 10 is screwed after adjustment is completed, the contact cylinder 7 is inserted into the tunnel top plate, the limit screw 4 is loosened, the three-section support pipe of the support pipe group 2 naturally drops to the tunnel ground, the pedal 5 is trampled to stably prick the fixed cone 3 into the tunnel ground, and then the limit screw 4 is screwed.
Claims (8)
1. The utility model provides a non-colliery mountain underground roadway measurement control point lift protection pole which characterized in that: including from top to bottom in proper order connected protection drum (1), support nest of tubes (2) and fixed cone (3), support nest of tubes (2) including three piece at least spinal branch stay tube, in the stay tube of top was worn to locate by the stay tube of below, except that the stay tube of below is all worn to establish limit screw (4) on the pipe wall of stay tube, set up footboard (5) on the pipe wall of the stay tube of below, the axis of protection drum (1), support nest of tubes and fixed cone (3) is on same straight line.
2. The non-coal mine underground roadway measurement control point lifting protection rod of claim 1, wherein: the protection cylinder (1) comprises a storage cylinder (6) and a contact cylinder (7) arranged in the storage cylinder (6), the top surface of the contact cylinder (7) comprises an inclined surface (8) and a plane (9) provided with saw teeth, the inclined surface (8) and the plane (9) are separated along the diameter of the contact cylinder (7), a through brake screw hole is formed in the bottom plates of the contact cylinder (7) and the storage cylinder (6), and a brake screw rod (10) is arranged in the brake screw hole.
3. The non-coal mine underground roadway measurement control point lifting protection rod as claimed in claim 2, wherein: the top end of the inclined surface (8) is flush with the plane (9).
4. A non-coal mine underground roadway measurement control point lifting protection rod as recited in claim 3, wherein: the top surface shape of the containing barrel (6) is the same as the top surface shape of the contact barrel (7).
5. The non-coal mine underground roadway measurement control point lifting protection rod as recited in claim 4, wherein: the support pipe group (2) sequentially comprises a support pipe I (11), a support pipe II (12) and a support pipe III (13) from top to bottom, wherein the bottom of the support pipe I (11) is sleeved outside the support pipe II (12), the bottom of the support pipe II (12) is sleeved outside the support pipe III (13), limit screw holes are respectively formed in the pipe walls of the support pipe I (11) and the support pipe II (12) and used for penetrating limit screws (4), and handles (14) are arranged on the limit screws (4).
6. The non-coal mine underground roadway measurement control point lifting protection rod as recited in claim 5, wherein: the brake screw (10) is arranged at the axis position of the protection cylinder (1), and the axis of the brake screw (10) is overlapped with the axis of the protection cylinder (1).
7. The non-coal mine underground roadway measurement control point lifting protection rod as recited in claim 6, wherein: the limit screw (4) is vertically arranged on the pipe wall of the support pipe I (11) or the support pipe II (12) respectively.
8. The non-coal mine underground roadway measurement control point lifting protection rod of claim 7, wherein: the pedal (5) is arranged perpendicular to the support tube III (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323300885.0U CN221144429U (en) | 2023-12-05 | 2023-12-05 | Lifting protection rod for measuring control point of non-coal mine underground roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323300885.0U CN221144429U (en) | 2023-12-05 | 2023-12-05 | Lifting protection rod for measuring control point of non-coal mine underground roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221144429U true CN221144429U (en) | 2024-06-14 |
Family
ID=91417430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323300885.0U Active CN221144429U (en) | 2023-12-05 | 2023-12-05 | Lifting protection rod for measuring control point of non-coal mine underground roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221144429U (en) |
-
2023
- 2023-12-05 CN CN202323300885.0U patent/CN221144429U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |