CN218206631U - Drill rod drawing device - Google Patents
Drill rod drawing device Download PDFInfo
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- CN218206631U CN218206631U CN202222536142.2U CN202222536142U CN218206631U CN 218206631 U CN218206631 U CN 218206631U CN 202222536142 U CN202222536142 U CN 202222536142U CN 218206631 U CN218206631 U CN 218206631U
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- drill rod
- connecting cylinder
- drilling rod
- cylinder
- baffle
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Abstract
The utility model provides a drilling rod drawing device, including preceding baffle, the backplate, the pneumatic cylinder, the drilling rod, the through-hole is seted up at preceding baffle and backplate middle part, the through-hole of front and back baffle sets up with the axle center, set up the hasp unanimous rather than the internal diameter in the backplate through-hole, the hasp includes connecting cylinder and a plurality of wedge slips, the interior surface roughness setting of connecting cylinder and wedge slips, the connecting cylinder is the round platform form, connecting cylinder osculum and backplate through-hole fixed connection, connecting cylinder osculum aperture and drilling rod phase-match, a plurality of wedge slips ring insert in drilling rod and connecting cylinder space, the pneumatic cylinder sets up in the front, between the relative both sides of backplate, the cylinder bottom and preceding baffle of pneumatic cylinder are articulated, the piston rod is articulated with the backplate, the piston rod can stretch out and draw the drilling rod along the length direction of drilling rod, the drilling rod passes in proper order, the backplate, and lock through the hasp. The device is simple to operate and convenient to use, and can continuously pull out the drill to avoid the loss of the drill rod.
Description
Technical Field
The utility model belongs to the technical field of the mine probing, especially, relate to a drilling rod draw-off gear.
Background
The drilling is a commonly used means in the mining process, in the drilling construction process, the drilling rod is clamped in a coal body rock stratum due to the fact that the minerals are hard, the drilling hole is too deep, geological abnormity and other factors can cause the drilling rod to be clamped in the coal body rock stratum, the drilling rod cannot pass in and out, the drilling rod is difficult to take out manually after being locked, a conventional drilling machine is not pulled and is poor in loosening effect, the drilling rod is abandoned in vain, in the coal resource mining process, the potential safety hazard is very large, damage and casualties of a fully mechanized mining machine are caused, and the production progress and quality of the fully mechanized mining face are seriously influenced.
The utility model Chinese utility model CN209990466U discloses a drilling rod lasts and pulls out equipment, six articulated pneumatic cylinders on the bottom component, six pneumatic cylinders along angular alternation such as circumference distribute, correspond every hydraulic cylinder on the bottom component and all be provided with a positioning cylinder, six pneumatic cylinders divide into two sets ofly according to the angle to central authorities' slope, the drilling rod passes the bottom component, with hydraulic cylinder support the pressure head butt, realize continuously drawing the drilling rod through two sets of pneumatic cylinder alternate work. The device comprises 9 hydraulic oil cylinders, the structure is complex, a lot of time is consumed for fixing the drill rod, the use is inconvenient, and the working efficiency is low.
Disclosure of Invention
The utility model provides a technical problem be the problem that the drilling rod draw-off mechanism structure among the prior art is complicated, inefficiency, the purpose provides a simple structure, easy and simple to handle's pneumatic draw-off mechanism of drilling rod.
The utility model provides a drilling rod drawing device, including preceding baffle, backplate, pneumatic cylinder, drilling rod, the through-hole is seted up at preceding baffle and backplate middle part, and the through-hole of front and back baffle sets up with the axle center for the drilling rod passes, set up the hasp unanimous rather than the internal diameter in the backplate through-hole, the hasp includes connecting cylinder and a plurality of wedge slips, and the internal surface roughness of connecting cylinder and wedge slips sets up, and the connecting cylinder is the round platform form, connecting cylinder osculum and backplate through-hole fixed connection, connecting cylinder osculum aperture and drilling rod phase-match, and a plurality of wedge slips encircle insert in drilling rod and connecting cylinder space for with the drilling rod locking, the pneumatic cylinder sets up in the front, between the relative both sides of backplate, the cylinder bottom and the preceding baffle of pneumatic cylinder are articulated, the piston rod and the backplate of pneumatic cylinder are articulated, and the piston rod can stretch out and draw the drilling rod along the length direction of drilling rod, the drilling rod passes preceding, the backplate in proper order to lock through the hasp locking.
Furthermore, the upper surface of the hydraulic cylinder is symmetrically provided with hooks for hanging the whole device at a working position.
Furthermore, the number of the hydraulic cylinders is two, and the hydraulic cylinders are symmetrically arranged on two sides of the through hole of the front baffle and the rear baffle.
Furthermore, the hydraulic cylinder further comprises a booster pump, wherein a water inlet nozzle and a water outlet nozzle are respectively arranged on two sides of a separation blade inside the hydraulic cylinder, the water inlet nozzles of the two hydraulic cylinders are connected through a first tee joint, the water outlet nozzle is connected through a second tee joint, an air inlet of the booster pump is connected with an underground wind pressure pipe, a water inlet is connected with an underground water supply pipe, when the water outlet pipe is connected with the first tee joint, a piston rod of the hydraulic cylinder extends out, and when the water outlet pipe is connected with the second tee joint, the piston rod of the hydraulic cylinder restores to the original position.
Furthermore, a pressure gauge is arranged on a water outlet pipe of the booster pump.
The utility model discloses following beneficial effect has: the utility model discloses drilling rod drawing device utilizes the booster pump to supply liquid for the pneumatic cylinder, promote the backplate through the piston rod, thereby it removes to drive the drilling rod, pull out the media stratum with it, through the booster pump forced air, the flexible volume of pressurized-water valve cooperation manometer control pneumatic cylinder piston rod, the total delivery pressure of pneumatic cylinder can change according to the booster pump model, if need continuously draw, only need not hard up slips, reset the pneumatic cylinder piston rod, the device moves backward, with preceding plate and coal wall butt again, the drilling rod and the hasp locking that will newly expose again, start-up pneumatic cylinder, carry out the secondary and draw … … until all taking out the drilling rod. The device is simple to operate and convenient to use, and can be used for drawing the drill rod for multiple times until the drill rod is taken out.
Drawings
FIG. 1 is a schematic view of a drill rod drawing device of the present invention.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figure 1, the drill rod drawing device comprises a front baffle plate 1, a rear baffle plate 2, a hydraulic cylinder 3, a booster pump 4 and a drill rod. The through-hole is seted up at preceding baffle 1 and 2 middle parts of backplate, the through-hole of front and back baffle sets up with the axle center, be used for the drilling rod to pass, set up in the 2 through-holes of backplate rather than the unanimous hasp 6 of internal diameter, hasp 6 includes connecting cylinder 601 and a plurality of wedge slips 602, the interior surface roughness of connecting cylinder 601 and wedge slips 602 sets up, connecting cylinder 601 is round platform form, connecting cylinder 601 osculum and back plate 2 through-hole fixed connection, connecting cylinder 601 osculum aperture and drilling rod phase-match, a plurality of wedge slips 602 loop insert in drilling rod and connecting cylinder 601 space, be used for locking the drilling rod.
The hydraulic cylinders 3 are arranged between the two opposite sides of the front baffle and the rear baffle, the number of the hydraulic cylinders 3 is two, and the hydraulic cylinders are symmetrically arranged on the two sides of the through hole of the front baffle and the rear baffle. The upper surface of the hydraulic cylinder 3 is symmetrically provided with hooks 303 for hanging the whole device at a working position. The cylinder bottom of pneumatic cylinder 3 is articulated with preceding baffle 1, and the piston rod of pneumatic cylinder 3 is articulated with backplate 2, and the piston rod can stretch out and draw back in order to draw the drilling rod along the length direction of drilling rod, and the drilling rod passes preceding, backplate in proper order to lock through hasp 6. Two sides of the baffle inside the hydraulic cylinder 3 are respectively provided with a water inlet nozzle 301 and a water outlet nozzle 302, the water inlet nozzles 301 of the two hydraulic cylinders 3 are connected through a first tee joint 304, and the water outlet nozzles 302 are connected through a second tee joint 305. An air inlet 403 of the booster pump 4 is connected with an underground wind pressure pipe, a water inlet 402 is connected with an underground water supply pipe, when a water outlet pipe 401 is connected with a first tee joint 304, a piston rod of the hydraulic cylinder 3 extends out, when the water outlet pipe 401 is connected with a second tee joint 305, the piston rod of the hydraulic cylinder 3 restores to the original position, and a pressure gauge 5 is arranged on the water outlet pipe of the booster pump 4. The air pressure and water pressure valves of the booster pump 4 are matched with the pressure gauge 5 to control the expansion amount of the piston rod of the hydraulic cylinder 3, and the total output pressure of the hydraulic cylinder 3 can be changed according to the model of the booster pump 4.
The working process is as follows: hang this device in the coal wall the place ahead that needs the operation, baffle passageway is just right drilling around, passes baffle through-hole around with the drilling rod in proper order, with baffle 1 and coal wall butt before with, the drilling rod is dead with hasp 6 lock, with wind, the water pipe with booster pump 4 admit air, mouth of a river is connected, outlet pipe 401 links to each other with first tee bend 303, opens wind, water pipe valve, draws the drilling rod. If continuous drawing is needed, only the slips need to be loosened, the air and water pipe valves are closed, the water outlet pipe 401 is connected with the second tee joint 304, the piston of the hydraulic cylinder 3 is enabled to be restored to the original position, the device is moved backwards, the front baffle plate 1 is abutted against the coal wall again, the newly exposed drill rod is locked with the lock catch 6, the hydraulic cylinder is started, and secondary drawing is conducted on … … until the drill rod is completely taken out. The device is simple to operate and convenient to use, and can be used for drawing the drill rod for multiple times until the drill rod is taken out.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (5)
1. A drill rod drawing device is characterized by comprising a front baffle, a rear baffle, a hydraulic cylinder and a drill rod,
the middle parts of the front baffle and the rear baffle are provided with through holes, the through holes of the front baffle and the rear baffle are coaxially arranged and used for a drill rod to pass through, the through hole of the rear baffle is internally provided with a lock catch which has the same inner diameter as the through hole of the rear baffle, the lock catch comprises a connecting cylinder and a plurality of wedge-shaped slips, the inner surfaces of the connecting cylinder and the wedge-shaped slips are roughly arranged, the connecting cylinder is in a round table shape, a small opening of the connecting cylinder is fixedly connected with the through hole of the rear baffle, the aperture of the small opening of the connecting cylinder is matched with the drill rod, the wedge-shaped slips are annularly inserted in a gap between the drill rod and the connecting cylinder and used for locking the drill rod,
the hydraulic cylinder is arranged between the two opposite sides of the front baffle and the rear baffle, the cylinder bottom of the hydraulic cylinder is hinged to the front baffle, the piston rod of the hydraulic cylinder is hinged to the rear baffle, the piston rod can stretch out and draw back along the length direction of the drill rod to draw the drill rod, and the drill rod sequentially penetrates through the front baffle and the rear baffle and is locked through the lock catch.
2. The drill rod drawing device as claimed in claim 1, wherein the hydraulic cylinder is provided with a hook on the upper surface symmetrically for hanging the whole device at a working position.
3. The drill rod drawing device as claimed in claim 1, wherein the number of the hydraulic cylinders is two, and the hydraulic cylinders are symmetrically arranged on two sides of the through hole of the front baffle and the rear baffle.
4. The drill rod drawing device as claimed in claim 1, further comprising a booster pump, wherein a water inlet nozzle and a water outlet nozzle are respectively arranged on two sides of the separation blade inside the hydraulic cylinder, the water inlet nozzles of the two hydraulic cylinders are connected through a first tee joint, the water outlet nozzle is connected through a second tee joint, an air inlet of the booster pump is connected with a downhole wind pressure pipe, a water inlet is connected with a downhole water supply pipe, when the water outlet pipe is connected with the first tee joint, a piston rod of the hydraulic cylinder extends out, and when the water outlet pipe is connected with the second tee joint, the piston rod of the hydraulic cylinder restores to the original position.
5. The drill rod drawing device as claimed in claim 4, wherein a pressure gauge is arranged on a water outlet pipe of the booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222536142.2U CN218206631U (en) | 2022-09-26 | 2022-09-26 | Drill rod drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222536142.2U CN218206631U (en) | 2022-09-26 | 2022-09-26 | Drill rod drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206631U true CN218206631U (en) | 2023-01-03 |
Family
ID=84638471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222536142.2U Active CN218206631U (en) | 2022-09-26 | 2022-09-26 | Drill rod drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206631U (en) |
-
2022
- 2022-09-26 CN CN202222536142.2U patent/CN218206631U/en active Active
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