CN215979260U - Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine - Google Patents
Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine Download PDFInfo
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- CN215979260U CN215979260U CN202122308831.3U CN202122308831U CN215979260U CN 215979260 U CN215979260 U CN 215979260U CN 202122308831 U CN202122308831 U CN 202122308831U CN 215979260 U CN215979260 U CN 215979260U
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Abstract
The utility model belongs to the field of mechanical design, and relates to a double-capsule clamping type hydraulic sealing water breather for a coal mine drilling machine, which comprises a capsule sealing device connected with a water braid and a clamping device connected with the capsule sealing device; the drilling rod runs through in water pigtail, capsule sealing device and clamping device, and clamping device includes the tight seat of clamp through fastener and capsule sealing device fixed connection, sets up and presss from both sides tight gum cover and the tight slips of clamp in pressing from both sides tight seat to and be used for pressing from both sides the resilient mounting that the slips kick-backed was used. According to the utility model, the drill rod and the water braid are sealed in a rotating manner through the double-sealing rubber sleeve, so that the problems of low working efficiency, large potential safety hazard and the like caused by repeated disassembly of the water braid during adding of the drill rod each time are solved.
Description
Technical Field
The utility model belongs to the field of mechanical design, and relates to a double-capsule clamping type hydraulic sealing water-through device for a coal mine drilling machine.
Background
The water swivel is a main part of a coal mine drilling machine and is used for conveying water or air with certain pressure into a hole in the drilling process, so that the purposes of drilling, deslagging and cooling a drilling tool are achieved. The existing water supply mode is that a water swivel is fixed at the tail end of a drill rod, the water swivel needs to be detached before the drill rod is added every time, and the water swivel needs to be installed again after the drill rod is added. At present, the water swivel is disassembled and assembled mainly by rotating a drill rod by a power head, so that the drill rod and the water swivel generate opposite rotation, and the problem that the water swivel joint needs to be disassembled repeatedly when the drill rod is added can not be solved by screwing or loosening threads.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide a double-capsule clamping type hydraulic sealing water breather for a coal mine drilling machine, wherein a drill rod and a water braid are rotationally sealed through a clamping device and a capsule sealing device, so that the problems of low working efficiency, large potential safety hazard and the like caused by repeated disassembly of the water braid during adding of the drill rod each time are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a double-capsule clamping type hydraulic sealing water-through device for a coal mine drilling machine comprises a capsule sealing device connected with a water braid and a clamping device connected with the capsule sealing device;
the drilling rod runs through in water pigtail, capsule sealing device and clamping device, and clamping device includes the tight seat of clamp through fastener and capsule sealing device fixed connection, sets up and presss from both sides tight gum cover and the tight slips of clamp in pressing from both sides tight seat to and be used for pressing from both sides the resilient mounting that the slips kick-backed was used.
Optionally, a pressure fluid hole is formed in the side wall of the clamping device, and the pressure fluid hole is communicated with the clamping rubber sleeve.
Optionally, the clamping rubber sleeve is contacted with the clamping slips at one end of the pressure fluid hole far away from the clamping rubber sleeve, and is used for controlling the clamping slips to move along the radial direction.
Optionally, a clamping groove is formed in the clamping seat, and the clamping slips pass through the clamping groove along the radial direction, so that the clamping slips can slide in the clamping groove conveniently.
Optionally, the rebounding device includes, but is not limited to, the slips are connected through a disc spring, the slips are connected with the clamping seat through a disc spring, and a rebounding pressure fluid port is formed in the clamping seat.
Optionally, the water swivel includes pivot and the water swivel casing of setting outside pivot in this water swivel, pivot and capsule sealing device fixed connection in the water swivel.
Optionally, the capsule sealing device includes a rubber sleeve mounting seat and a rubber sleeve body arranged in the rubber sleeve mounting seat, and the rubber sleeve mounting seat is fixed with the water braid and the clamping seat through fasteners respectively.
Optionally, the rubber sleeve mounting seat is provided with a pressure fluid hole for communicating the rubber sleeve.
The utility model has the beneficial effects that: according to the double-capsule clamping type hydraulic sealing water breather for the coal mine drilling machine, the drill rod and the water braid are sealed in a rotating mode through the double-sealing rubber sleeve, and the problems that the water braid needs to be detached repeatedly when the drill rod is added every time, so that the working efficiency is low, potential safety hazards are large and the like are solved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is an overall schematic diagram of a double-capsule clamping type hydraulic sealing water passing device for a coal mine drilling machine;
FIG. 2 is a schematic structural diagram of a clamping device of a double-capsule clamping type hydraulic sealing water passing device for a coal mine drilling machine, provided by the utility model;
FIG. 3 is a schematic diagram of a disc spring arranged between slips of a double-capsule clamping type hydraulic sealing water passing device for a coal mine drilling machine;
fig. 4 is an installation schematic diagram of the double-capsule clamping type hydraulic sealing water passing device for the coal mine drilling machine.
Reference numerals: the hydraulic swivel joint comprises a clamping device 1, a clamping base 11, a clamping rubber sleeve 12, a clamping slip 13, a rebounding device 14, a rubber sleeve mounting base 2, a rubber sleeve body 3, a water swivel inner rotating shaft 4, a water swivel shell 5 and a drill rod 6.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, a double-capsule clamping type hydraulic sealing water breather for a coal mine drilling machine comprises a capsule sealing device connected with a water braid and a clamping device 1 connected with the capsule sealing device; the drill rod 6 penetrates through the water braid, the capsule sealing device and the clamping device 1, the clamping device 1 comprises a clamping seat 11 fixedly connected with the capsule sealing device through a fastener, a clamping rubber sleeve 12 and a clamping slip 13 which are arranged in the clamping seat 11, and a rebounding device 14 for rebounding the clamping slip 13. The side wall of the clamping device 1 is provided with a pressure fluid hole which is communicated with the clamping rubber sleeve 12. The clamping rubber sleeve 12 is in contact with the clamping slips 13 at the end remote from the pressure fluid hole for controlling the radial movement of the clamping slips 13. A clamping groove is formed in the clamping base 11, and the clamping slips 13 pass through the clamping groove along the radial direction, so that the clamping slips 13 can slide in the clamping groove conveniently. The water swivel includes pivot 4 in the water swivel and sets up the water swivel casing 5 outside pivot 4 in this water swivel, pivot 4 and capsule sealing device fixed connection in the water swivel. The capsule sealing device comprises a rubber sleeve mounting seat 2 and a rubber sleeve body 3 arranged in the rubber sleeve mounting seat 2, and the rubber sleeve mounting seat 2 is respectively fixed with a water braid and a clamping seat 11 through fasteners. The rubber sleeve mounting seat 2 is provided with a pressure fluid hole communicated with the rubber sleeve body 3.
In this embodiment, the rebounding device 14 employs a disc spring disposed between slips, and the specific structure is shown in fig. 3.
When the drill rod clamping device is used, pressure fluid passes through the pressure fluid hole in the clamping seat 11 to extrude the clamping rubber sleeve 12, the clamping rubber sleeve 12 elastically deforms to push the clamping slip 13 to radially clamp the drill rod 6, and the pressure fluid enters the closed space formed between the rubber sleeve body 3 and the rubber sleeve mounting seat 2 through the pressure fluid hole in the rubber sleeve mounting seat 2 to elastically deform the rubber sleeve body 3 and tightly hold the drill rod 6. The outer wall of the drill rod 6 is divided into two spaces by the rubber sleeve body 3, and the outer wall of the drill rod 6 close to the water braid end is sealed by the rubber sleeve, so that the inner cavity of the drill rod 6 is communicated with the water braid. When the pressure fluid passing through the clamping seat 11 is relieved, the clamping rubber sleeve 12 is restored to the initial state, the clamping slips 13 are returned to the initial position under the action of the rebound device 14 and the drill rod 6 is released, and when the pressure fluid passing through the rubber sleeve mounting seat 2 is relieved, the rubber sleeve body 3 is restored to the initial state and the drill rod 6 is released.
In this embodiment, the clamping base 11 is connected with the rubber sleeve mounting base 2 through a screw, the rubber sleeve mounting base 2 is connected with the rotating shaft 4 in the water swivel through a screw, the rotating shaft 4 and the shell can rotate relatively in the water swivel, and the device can complete the rotary sealing of the drill rod 6 and the water swivel.
The utility model utilizes the double rubber sleeves to clamp and seal the drill rod 6 and the water braid cavity, and the drill rod 6 is added each time without repeatedly disassembling the water braid, thereby improving the working efficiency, reducing the labor intensity and eliminating the potential safety hazard.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a two capsule clamp type hydraulic seal water passing device for coal mine drilling machine which characterized in that: comprises a capsule sealing device connected with a water braid and a clamping device connected with the capsule sealing device;
the drilling rod runs through in water pigtail, capsule sealing device and clamping device, and clamping device includes the tight seat of clamp through fastener and capsule sealing device fixed connection, sets up the tight gum cover of clamp in pressing from both sides tight seat and press from both sides tight slips to and be used for pressing from both sides the resilient mounting that tight slips kick-backed used, this resilient mounting is the dish spring of setting between the slips.
2. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 1, is characterized in that: the side wall of the clamping device is provided with a pressure fluid hole which is communicated with the clamping rubber sleeve.
3. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 2, is characterized in that: and one end of the clamping rubber sleeve, which is far away from the pressure fluid hole, is in contact with the clamping slips and is used for controlling the clamping slips to move along the radial direction.
4. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 1, is characterized in that: the clamping seat is internally provided with a clamping groove through which the clamping slips pass along the radial direction, so that the clamping slips can slide in the clamping groove conveniently.
5. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 1, is characterized in that: the water swivel comprises a swivel inner shaft and a swivel shell arranged outside the swivel inner shaft, and the swivel inner shaft is fixedly connected with the capsule sealing device.
6. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 1, is characterized in that: the capsule sealing device comprises a rubber sleeve mounting seat and a rubber sleeve body arranged in the rubber sleeve mounting seat, and the rubber sleeve mounting seat is respectively fixed with the water braid and the clamping seat through fasteners.
7. The double-capsule clamping type hydraulic sealing water-passing device for the coal mine drilling machine according to claim 1, is characterized in that: the rubber sleeve mounting seat is provided with a pressure fluid hole communicated with the rubber sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308831.3U CN215979260U (en) | 2021-09-23 | 2021-09-23 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308831.3U CN215979260U (en) | 2021-09-23 | 2021-09-23 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN215979260U true CN215979260U (en) | 2022-03-08 |
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| CN202122308831.3U Active CN215979260U (en) | 2021-09-23 | 2021-09-23 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622841A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
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2021
- 2021-09-23 CN CN202122308831.3U patent/CN215979260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622841A (en) * | 2021-09-23 | 2021-11-09 | 中煤科工集团重庆研究院有限公司 | Double-capsule clamping type hydraulic sealing water-through device for coal mine drilling machine |
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