CN218787108U - Downhole drill clamping rod taking-out device - Google Patents
Downhole drill clamping rod taking-out device Download PDFInfo
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- CN218787108U CN218787108U CN202222313479.7U CN202222313479U CN218787108U CN 218787108 U CN218787108 U CN 218787108U CN 202222313479 U CN202222313479 U CN 202222313479U CN 218787108 U CN218787108 U CN 218787108U
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- gasket
- rod
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Abstract
The utility model discloses a rig kelly remove device in pit, including the pneumatic cylinder, the pneumatic cylinder includes the cylinder body, sets up hydraulic pressure chamber and the flexible hydro-cylinder of slidable mounting in the hydraulic pressure intracavity in the cylinder body, flexible hydro-cylinder one end has connected gradually atress gasket and fixer, the pneumatic cylinder communicates in proper order has hydraulic control valve and an oil storage section of thick bamboo. The utility model discloses need not the reverse rotation drilling rod and just can taking out the drilling rod of card in the coal petrography body, avoid the screw joint between the drilling rod to throw off, can not lose the drill bit drilling rod, improved the drilling rod and taken out efficiency, reduced workman's intensity of labour, convenient operation only needs the fixed drilling rod of centre gripping gasket that adopts different specifications, all kinds of quilt in the pit are pressed from both sides the drilling rod and all can be taken out.
Description
Technical Field
The utility model relates to a rig in the pit technical field especially relates to a rig in the pit kelly remove device.
Background
In order to prevent and control disasters such as underground water, fire, gas, rock burst and the like of a coal mine, and simultaneously, for geological drilling needs, various diameters of drill holes with the length of 10m to hundreds of meters are required to be constructed underground. In the construction process, when encountering soft rock, a sand-containing layer, a water-bearing layer or a mine earthquake and the like, the traditional drilling has the following defects:
1. during the drilling process of the drilling machine, the drilling machine rotates clockwise and drills axially, the length of a drill rod is generally about 1m, the drill rods are connected through a rod head wire, during deep hole drilling, the drill rod can only rotate forwards and cannot turn over, otherwise, the drill rods are disconnected through the wire, and the drill bit and the drill rod are lost.
2. In underground construction, various diameter drill holes are different from several meters to hundreds of meters, and a drill rod is clamped in the hole or at the bottom of the hole, so that the drill cannot rotate and retreat, and the drill rod and the drill bit cannot be smoothly taken out by other auxiliary methods such as water, wind and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a clamping rod taking-out device of an underground drilling machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a clamping rod taking-out device of an underground drilling machine comprises a hydraulic cylinder, wherein the hydraulic cylinder comprises a cylinder body, a hydraulic cavity arranged in the cylinder body and a telescopic oil cylinder arranged in the hydraulic cavity in a sliding mode;
one end of the telescopic oil cylinder is sequentially connected with a stress gasket and a fixer, and the hydraulic cylinder is sequentially communicated with a hydraulic control valve and an oil storage cylinder.
Preferably, the cross sections of the cylinder body and the telescopic oil cylinder are both of annular structures.
Preferably, the outer walls of the two ends of the cylinder body are respectively provided with a liquid inlet and a liquid outlet.
Preferably, the liquid inlet and the liquid outlet are respectively connected with two interfaces at one end of the hydraulic control valve through high-pressure rubber pipes, and the interface at the other end of the hydraulic control valve is connected with the oil storage cylinder through the high-pressure rubber pipes.
Preferably, the stressed gasket comprises a rubber gasket and a bearing fixer, and the rubber gasket is arranged close to one side of the cylinder body.
Preferably, the fixer comprises two clamping gaskets in a semi-annular structure, and the two clamping gaskets are connected with each other through bolts.
Preferably, the inner diameter of the fixer is 2mm-3mm smaller than the outer diameter of a drill rod of the drilling machine, and the outer diameter of the fixer is larger than the inner diameter of the bearing fixer.
The utility model has the advantages that:
1. the drill rods clamped in the coal rock body can be taken out without reversely rotating the drill rods, the drill rods are prevented from being disconnected in a threaded manner, the drill bit drill rods cannot be lost, after the first drill rod is taken out by the drill rod clamping and taking-out device, the rest drill rods are basically in a loose state in the hole, the original clamped rod state is weakened, the drill rods can be easily taken out by manpower, the drill rod taking-out efficiency is improved, and the labor intensity of workers is reduced;
2. the drilling rod clamping device is convenient to operate, and can be used for taking out various underground clamped drilling rods by only adopting clamping gaskets of different specifications to fix the drilling rods.
Drawings
Fig. 1 is a schematic structural view of a using state of a downhole drilling machine clamping rod taking-out device provided by the utility model;
FIG. 2 is a schematic structural view of a hydraulic cylinder of the device for taking out the clamping rod of the underground drilling machine provided by the present invention;
FIG. 3 is a schematic diagram showing a comparison between a side view and a top view of a stressed pad of the device for removing a clamping rod of an underground drilling rig according to the present invention;
fig. 4 is the utility model provides a bearing fixer of rig kelly remove device looks sideways at structure and overlooks the structural contrast schematic diagram in pit.
In the figure: the hydraulic tool comprises a hydraulic cylinder 1, a stress gasket 2, a fixer 3, a hydraulic control valve 4, a high-pressure rubber tube 5, a drill rod 6, a cylinder body 7, a telescopic oil cylinder 8, a hydraulic cavity 9, a liquid inlet 10, a liquid return port 11, a rubber gasket 12, a bearing fixer 13, a fastening bolt 14 and a clamping gasket 15.
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.
Embodiment 1, refer to fig. 1-4, a downhole drill clamping rod extraction device, the main components include a hydraulic cylinder 1, a stressed gasket 2, a fixer 3, a hydraulic control valve 4, a high-pressure rubber pipe 5 and an oil storage cylinder;
the hydraulic cylinder 1 comprises a cylinder body 7, a hydraulic cavity 9 arranged in the cylinder body 7 and a telescopic oil cylinder 8 arranged in the hydraulic cavity 9 in a sliding mode, through holes are reserved in the central positions of the cylinder body 7, the telescopic oil cylinder 8, the stress gasket 2 and the fixer 3 along the axial direction, and therefore the stress gasket 2 and the fixer 3 of the hydraulic cylinder 1 can be sequentially sleeved on the part, exposed out of the coal rock, of the drill rod;
a liquid inlet 10 and a liquid outlet 11 are respectively formed in the outer walls of two ends of the cylinder body 7, the liquid inlet 10 and the liquid outlet 11 are respectively connected with two interfaces at one end of the hydraulic control valve 4 through a high-pressure rubber tube 5, an interface at the other end of the hydraulic control valve 4 is connected with an oil storage cylinder through the high-pressure rubber tube 5, and the hydraulic cylinder 1, the hydraulic control valve 4 and the oil storage cylinder are communicated.
The holder 3 comprises two clamping washers 15 of semi-annular configuration, the two clamping washers 15 being interconnected by means of bolts 14.
The inner diameter of the fixer 3 is 2mm-3mm smaller than the outer diameter of the drill rod of the drilling machine, and the outer diameter of the fixer 3 is larger than the inner diameter of the bearing fixer 13, so that the fixer 3 is tightly fixed on the drill rod of the drilling machine, and the drill rod is prevented from separating from the fixing ring 3 when the drill rod is taken.
The working principle is as follows: when the drill rod is drilled into the coal rock mass clamping rod, the hydraulic cylinder 1, the stress gasket 2 and the fixing device 3 are sequentially sleeved on the drill rod with the exposed end of the coal rock mass, finally, the outer end of the drill rod is firmly fixed by the clamping action of the fixing device 3, the coal wall or the rock wall is used as a stress point, the stress gasket 2 is pushed onto the fixing device 3 by the power of the telescopic oil cylinder 8 of the hydraulic cylinder 1, the fixedly connected drill rod is outwards pulled out by pushing the fixing device 3, and the clamped drill rod and the drill bit can be smoothly taken out by repeating the actions.
The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. A clamping rod taking-out device of an underground drilling machine comprises a hydraulic cylinder (1), and is characterized in that the hydraulic cylinder (1) comprises a cylinder body (7), a hydraulic cavity (9) arranged in the cylinder body (7) and a telescopic oil cylinder (8) slidably arranged in the hydraulic cavity (9);
telescopic cylinder (8) one end has connected gradually atress gasket (2) and fixer (3), pneumatic cylinder (1) communicates in proper order has hydraulic pressure operating valve (4) and an oil storage section of thick bamboo.
2. A downhole drilling stuck rod extraction device according to claim 1, characterized in that the cylinder body (7) and the telescopic cylinder (8) are both of annular configuration in cross section.
3. The device for taking out the clamping rod of the underground drilling machine according to claim 1, wherein the outer walls of the two ends of the cylinder body (7) are respectively provided with a liquid inlet (10) and a liquid outlet (11).
4. The device for taking out the clamping rod of the underground drilling machine according to claim 3, wherein the liquid inlet (10) and the liquid outlet (11) are respectively connected with two interfaces at one end of the hydraulic control valve (4) through a high-pressure rubber tube (5), and the interface at the other end of the hydraulic control valve (4) is connected with an oil storage cylinder through the high-pressure rubber tube (5).
5. A downhole drilling stuck rod extraction device according to claim 1, wherein the stressed gasket (2) comprises a rubber gasket (12) and a load bearing retainer (13), the rubber gasket (12) being arranged close to one side of the cylinder (7).
6. A downhole drilling stuck pipe extraction device according to claim 1, characterized in that the holder (3) comprises two semi-annular structured clamping washers (15), the two clamping washers (15) being interconnected by means of a bolt (14).
7. A downhole drill stuck pipe extraction device according to claim 6, characterized in that the inner diameter of the holder (3) is 2mm-3mm smaller than the outer diameter of the drill rod of the drilling machine, and the outer diameter of the holder (3) is larger than the inner diameter of the load-bearing holder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313479.7U CN218787108U (en) | 2022-08-31 | 2022-08-31 | Downhole drill clamping rod taking-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313479.7U CN218787108U (en) | 2022-08-31 | 2022-08-31 | Downhole drill clamping rod taking-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218787108U true CN218787108U (en) | 2023-04-04 |
Family
ID=86504621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222313479.7U Active CN218787108U (en) | 2022-08-31 | 2022-08-31 | Downhole drill clamping rod taking-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218787108U (en) |
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2022
- 2022-08-31 CN CN202222313479.7U patent/CN218787108U/en active Active
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