CN211028209U - Drill rod locking device - Google Patents
Drill rod locking device Download PDFInfo
- Publication number
- CN211028209U CN211028209U CN201921897548.5U CN201921897548U CN211028209U CN 211028209 U CN211028209 U CN 211028209U CN 201921897548 U CN201921897548 U CN 201921897548U CN 211028209 U CN211028209 U CN 211028209U
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- China
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- cylinder body
- outer side
- plunger
- cylindrical plunger
- retainer
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Abstract
The utility model discloses a drilling rod locking device, all set up to the open-ended cylinder body including top and bottom, the inside bottom side of cylinder body has been placed the end and has been dragged, and the fixed cover in the outside top that drags at the end is equipped with first quiet sealing washer, and the lateral wall seal installation of the outside top that drags at the end through first quiet sealing washer and cylinder body, and the outside bottom cover that drags at the end is equipped with first jump ring, and the outside bottom that drags at the end is adorned on the lateral wall of cylinder body through first jump ring fixing clip, the holder has been placed to the inside top side of cylinder body, and the fixed cover in the outside bottom of holder is equipped with the quiet sealing washer of second, and the outside bottom of holder passes through the. The drill rod locking device realizes the ascending and descending operation of the plunger by utilizing the hydraulic compression nitrogen and the resilience of the nitrogen, and has small volume and light weight because the gas is utilized.
Description
Technical Field
The utility model relates to a dead technical field of drilling rod lock especially relates to a drilling rod locking device.
Background
In the prior art, when a drill rod is locked, a disc spring, a spring holder power cylinder, a disc spring power cylinder and a spring power cylinder are generally matched to complete the locking operation, but the combination of the structures causes the drill rod to have large volume, heavy weight and unstable rebound pressure, so that a drill rod locking device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a drill rod locking device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drill rod locking device comprises a cylinder body with an opening arranged at the top and the bottom, a bottom mop is placed at the bottom of the inner bottom side of the cylinder body, a first static sealing ring is fixedly sleeved at the top of the outer side of the bottom mop, the top of the outer side of the bottom mop is hermetically installed with the side wall of the cylinder body through the first static sealing ring, a first snap spring is sleeved at the bottom of the outer side of the bottom mop, the bottom of the outer side of the bottom mop is fixedly clamped on the side wall of the cylinder body through a first snap spring fixing clamp, a retainer is placed at the top of the inner side of the cylinder body, a second static sealing ring is fixedly sleeved at the bottom of the outer side of the retainer, the bottom of the outer side of the retainer is hermetically installed with the side wall of the cylinder body through the second static sealing ring, a second snap spring is fixedly sleeved at the top of the outer side of, an inner dust ring, two cloth clamping guide rings and a first sealing ring are sequentially arranged on the side wall of the plunger movable hole from top to bottom, a plunger is arranged in the cylinder body, the bottom of the plunger, the side wall of the cylinder body and the top of the bottom support jointly form a gas storage chamber filled with nitrogen, the plunger is divided into a cylindrical plunger bottom end part, a cylindrical plunger middle end part and a cylindrical plunger top end part from bottom to top, three second sealing rings and two phenolic aldehyde cloth clamping guide rings are fixedly sleeved on the outer side of the cylindrical plunger bottom end part, the outer side of the cylindrical plunger bottom end part is hermetically arranged on the side wall of the cylinder body through the three second sealing rings and the two phenolic aldehyde cloth clamping guide rings, the two phenolic cloth clamping guide rings are used for guiding the cylindrical plunger bottom end part in the vertical direction, the top of the cylindrical plunger middle end part is in contact with the bottom part of the retainer, and the outer side of the cylindrical plunger top end, The inner sides of the two cloth clamping guide rings are in sealing sliding contact with the inner side of a first sealing ring, the top of the top end of the cylindrical plunger piston extends to the upper side of the retainer, and a hydraulic driving interface communicated with the interior of the cylinder body is horizontally arranged on the outer side of the cylinder body.
Preferably, the bottom of the bottom mop is provided with an inflation inlet communicated with the inside of the cylinder body, a valve core is arranged inside the inflation inlet, and the bottom end of the valve core is fixed and communicated with an inflation valve fixedly arranged on the side wall of the inflation inlet.
Preferably, the bottom of the inner side of the cylinder body is provided with a first annular clamping groove in clamping fit with the first clamp spring, and the top of the inner side of the cylinder body is provided with a second annular clamping groove in clamping fit with the second clamp spring.
Preferably, the hydraulic drive interface is located between the top of the bottom end of the cylindrical plunger and the bottom of the holder.
Preferably, the three second sealing rings and the two phenolic aldehyde cloth clamping guide rings are alternately arranged in sequence.
The drill rod locking device realizes the ascending and descending operation of the plunger by utilizing the hydraulic compression nitrogen and the resilience of the nitrogen, and has small volume and light weight because the gas is utilized.
Drawings
Fig. 1 is a schematic structural view of a drill rod locking device provided by the utility model.
In the figure: 1 air storage chamber, 2 cylinder bodies, 3 second sealing rings, 4 phenolic aldehyde clamped cloth guide rings, 5 plungers, 6 hydraulic driving interfaces, 7 second static sealing rings, 8 first sealing rings, 9 second snap springs, 10 clamped cloth guide rings, 11 retainers, 12 inner dust-proof rings, 13 first static sealing rings, 14 valve cores, 15 first snap springs, 16 bottom drags and 17 inflation valves.
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.
Referring to fig. 1, a drill rod locking device comprises a cylinder body 2 with an opening at the top and bottom, a bottom bracket 16 is arranged at the bottom side inside the cylinder body 2, a first static sealing ring 13 is fixedly sleeved at the top of the outer side of the bottom bracket 16, the top of the outer side of the bottom bracket 16 is hermetically mounted with the side wall of the cylinder body 2 through the first static sealing ring 13, a first snap spring 15 is sleeved at the bottom of the outer side of the bottom bracket 16, the bottom of the outer side of the bottom bracket 16 is fixedly clamped on the side wall of the cylinder body 2 through the first snap spring 15, an inflation inlet communicated with the inside of the cylinder body 2 is arranged at the bottom of the bottom bracket 16, a valve core 14 is mounted inside the inflation inlet, an inflation valve 17 fixedly mounted with the side wall of the inflation inlet is fixed and communicated at the bottom end of the valve core 14, a retainer 11 is arranged at the top side inside the cylinder body 2, a second static sealing ring 7 is fixedly sleeved at the bottom of the outer side, the top of the outer side of the retainer 11 is fixedly sleeved with a second clamp spring 9, the top of the outer side of the retainer 11 is fixedly clamped on the side wall of the cylinder body 2 through the second clamp spring 9, the top and the bottom of the retainer 11 are provided with a same plunger moving hole, the side wall of the plunger moving hole is sequentially provided with an inner dust ring 12, two cloth clamping guide rings 10 and a first seal ring 8 from top to bottom, the inside of the cylinder body 2 is provided with a plunger 5, the bottom of the plunger 5, the side wall of the cylinder body 2 and the top of the bottom support 16 jointly form a gas storage chamber 1 filled with nitrogen gas, the plunger 5 is divided into a cylindrical plunger bottom end part, a cylindrical plunger middle end part and a cylindrical plunger top part from bottom to top, the outer side of the cylindrical plunger bottom end part is fixedly sleeved with three second seal rings 3 and two phenolic cloth clamping guide rings 4, the outer side of the cylindrical plunger bottom part is hermetically arranged on the side wall of the cylinder, the three second sealing rings 3 and the two phenolic aldehyde cloth clamping guide rings 4 are sequentially and alternately arranged, the two phenolic aldehyde cloth clamping guide rings 4 are used for providing vertical guide for the bottom end part of the cylindrical plunger, the top part of the middle end part of the cylindrical plunger is contacted with the bottom part of the retainer 11, the outer side of the top end part of the cylindrical plunger is respectively in sealing sliding contact with the inner side of an inner dust ring 12, the inner sides of the two cloth clamping guide rings 10 and the inner side of a first sealing ring 8, the top part of the top end part of the cylindrical plunger extends to the upper part of the retainer 11, the outer side of the cylinder body 2 is horizontally provided with a hydraulic driving interface 6 communicated with the inside of the cylinder body 2, the hydraulic driving interface 6 is positioned between the top part of the bottom end part of the cylindrical plunger and the bottom part of the retainer 11, the bottom part of the inner side of the cylinder body 2 is provided with a first annular clamping groove matched with the first clamping spring 15, the drill rod locking device realizes the ascending and descending operation of the plunger 5 by utilizing the hydraulically compressed nitrogen and the resilience of the nitrogen, and has small volume and light weight because of utilizing gas.
In the utility model, when the plunger 5 needs to be descended, the air is filled between the top of the bottom end part of the cylindrical plunger and the bottom of the retainer 11 through the hydraulic driving interface 6, when the gas pressure between the top of the bottom end of the cylindrical plunger and the bottom of the holder 11 is greater than 15Mpa, the outer side of the bottom end of the cylindrical plunger on the plunger 5 moves downwards in the cylinder body 2, the bottom end of the cylindrical plunger drives the three second sealing rings 3 and the two phenolic aldehyde cloth clamping guide rings 4 to simultaneously perform downward sealing sliding on the side wall of the cylinder body 2, meanwhile, the bottom of the bottom end of the cylindrical plunger piston compresses the nitrogen in the air storage chamber 1, the bottom end of the cylindrical plunger piston drives the top end of the cylindrical plunger piston to move downwards through the middle end of the cylindrical plunger piston, the outer side of the top end part of the cylindrical plunger piston slides downwards on the inner side of the inner dust ring 12, the inner sides of the two cloth clamping guide rings 10 and the inner side of the first sealing ring 8;
when the gas pressure between the top of the bottom end of the cylindrical plunger and the bottom of the retainer 11 is less than 15Mpa, the compressed nitrogen inside the gas storage chamber 1 drives the outside of the bottom end of the cylindrical plunger on the plunger 5 to move upwards inside the cylinder 2, the bottom end of the cylindrical plunger drives the three second sealing rings 3 and the two phenolic aldehyde cloth clamping guide rings 4 to simultaneously slide upwards in a sealing manner on the side wall of the cylinder 2, and meanwhile, the bottom end of the cylindrical plunger drives the top end of the cylindrical plunger to move upwards through the middle end of the cylindrical plunger, so that the outside of the top end of the cylindrical plunger slides upwards inside the inner dust ring 12, the inside of the two cloth clamping guide rings 10 and the inside of the first sealing ring 8.
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 (5)
1. A drill rod locking device comprises a cylinder body (2) with an opening formed in the top and the bottom, and is characterized in that a bottom support (16) is placed on the bottom side of the inside of the cylinder body (2), a first static sealing ring (13) is fixedly sleeved on the top of the outer side of the bottom support (16), the top of the outer side of the bottom support (16) is hermetically installed on the side wall of the cylinder body (2) through the first static sealing ring (13), a first clamp spring (15) is sleeved on the bottom of the outer side of the bottom support (16), the bottom of the outer side of the bottom support (16) is fixedly clamped on the side wall of the cylinder body (2) through the first clamp spring (15), a retainer (11) is placed on the top side of the inside of the cylinder body (2), a second static sealing ring (7) is fixedly sleeved on the bottom of the outer side of the retainer (11), and the bottom of the outer side of the retainer (11) is hermetically, the top of the outer side of the retainer (11) is fixedly sleeved with a second clamp spring (9), the top of the outer side of the retainer (11) is fixedly clamped on the side wall of the cylinder body (2) through the second clamp spring (9), the top and the bottom of the retainer (11) are provided with the same plunger moving hole, the side wall of the plunger moving hole is sequentially provided with an inner dust ring (12), two cloth clamping guide rings (10) and a first sealing ring (8) from top to bottom, a plunger (5) is arranged in the cylinder body (2), the bottom of the plunger (5), the side wall of the cylinder body (2) and the top of the bottom support (16) jointly form a gas storage chamber (1) filled with nitrogen, the plunger (5) is divided into a cylindrical plunger bottom end part from bottom to top, the middle end part of the cylindrical plunger and the top end part of the cylindrical plunger, the outer side of the cylindrical plunger part is fixedly sleeved with three second sealing rings (3) and two, the outer side of the bottom end part of the cylindrical plunger is hermetically arranged on the side wall of the cylinder body (2) through three second sealing rings (3) and two phenolic aldehyde cloth clamping guide rings (4), the two phenolic aldehyde cloth clamping guide rings (4) are used for providing guidance of the bottom end part of the cylindrical plunger in the vertical direction, the top part of the middle end part of the cylindrical plunger is in contact with the bottom part of the retainer (11), the outer side of the top end part of the cylindrical plunger is in sealed sliding contact with the inner side of an inner dust ring (12), the inner sides of two cloth clamping guide rings (10) and the inner side of a first sealing ring (8), the top part of the top end part of the cylindrical plunger extends to the upper part of the retainer (11), and the outer side of the cylinder body (2) is horizontally provided with a hydraulic driving interface (6) communicated with the inner part.
2. The drill rod locking device as claimed in claim 1, wherein the bottom of the bottom bracket (16) is provided with an inflation inlet communicated with the inside of the cylinder body (2), a valve core (14) is arranged inside the inflation inlet, and the bottom end of the valve core (14) is fixed and communicated with an inflation valve (17) fixedly arranged with the side wall of the inflation inlet.
3. The drill rod locking device as claimed in claim 1, wherein a first annular clamping groove matched with the first clamping spring (15) in a clamping manner is formed at the bottom of the inner side of the cylinder body (2), and a second annular clamping groove matched with the second clamping spring (9) in a clamping manner is formed at the top of the inner side of the cylinder body (2).
4. The drill rod locking device as recited in claim 1, characterized in that the hydraulic drive interface (6) is located between the top of the bottom end of the cylindrical plunger and the bottom of the holder (11).
5. The drill rod locking device as claimed in claim 1, wherein the three second sealing rings (3) and the two phenolic cloth-sandwiched guide rings (4) are alternately arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897548.5U CN211028209U (en) | 2019-11-06 | 2019-11-06 | Drill rod locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897548.5U CN211028209U (en) | 2019-11-06 | 2019-11-06 | Drill rod locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028209U true CN211028209U (en) | 2020-07-17 |
Family
ID=71566709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921897548.5U Active CN211028209U (en) | 2019-11-06 | 2019-11-06 | Drill rod locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211028209U (en) |
-
2019
- 2019-11-06 CN CN201921897548.5U patent/CN211028209U/en active Active
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