CN204042263U - A kind of to the connecting head of drilling rod water supply high service device - Google Patents
A kind of to the connecting head of drilling rod water supply high service device Download PDFInfo
- Publication number
- CN204042263U CN204042263U CN201420534272.5U CN201420534272U CN204042263U CN 204042263 U CN204042263 U CN 204042263U CN 201420534272 U CN201420534272 U CN 201420534272U CN 204042263 U CN204042263 U CN 204042263U
- Authority
- CN
- China
- Prior art keywords
- bearing
- connecting sleeve
- drilling rod
- shaft
- collapsable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of to the connecting head of drilling rod water supply high service device, comprise axle center place and offer the collapsable shaft of axial hole, the rubber hose coupling be connected with high service device waterexit end and the connecting sleeve be connected with drilling rod, collapsable shaft one end is fixing inserts in rubber hose coupling, the other end is rotatably installed in connecting sleeve, and the axle center place of rubber hose coupling and connecting sleeve all offers through hole and is interconnected with through hole on collapsable shaft and forms water channel and export to drilling rod with the water realizing water feeder.The utility model constitutes connecting head by collapsable shaft, rubber hose coupling and connecting sleeve three critical pieces, and by three axially place's through hole vertically constitute water channel and avoid water channel in joint and occur angle, thus ensure that the sealing of joint ensure that the hydraulic pressure arriving drill bit.
Description
Technical field
The utility model relates to a kind of joint connection, especially relates to a kind of to the connecting head of drilling rod water supply high service device.
Background technique
High service device is in process of coal mining, drill bit and drilling rod provide the important device of cooling water, due to the particularity of seam mining, therefore require that in recovery process, temperature can not be too high, therefore cooling system requires stricter, cooling water is provided in order to give drill bit drilling rod, need to adopt high service device, because drill bit drilling rod is rotating always, therefore being connected by jointing with between drilling rod of high service device is needed, while ensureing providing cooling water, do not affect the rotation of drilling rod, existing joint due to arrange its in water-supplying mouth and the mouth of a river in drilling rod not point-blank, during for high pressure water, sealing place of easy impact joint, be easy to cause sealing place to leak, thus affect the sealing of whole system, cause the hydraulic pressure step-down reaching drill bit place, affect using effect.
Model utility content
The purpose of this utility model in joint, has the orthogonal section of problem easily causing hydraulic pressure shakiness for solving water channel in existing joint, provides a kind of to the connecting head of drilling rod water supply high service device.
The utility model is the deficiency solved the problems of the technologies described above, and the technological scheme adopted is:
A kind of to the connecting head of drilling rod water supply high service device, comprise the collapsable shaft that axle center place offers axial hole, the rubber hose coupling be connected with high service device waterexit end and the connecting sleeve be connected with drilling rod, collapsable shaft one end is fixing inserts in rubber hose coupling, the other end is rotatably installed in connecting sleeve, the axle center place of rubber hose coupling and connecting sleeve all offers through hole and is interconnected with through hole on collapsable shaft and forms water channel and export to drilling rod with the water realizing water feeder, described collapsable shaft is rotated by pair of bearings and is arranged on connecting sleeve, the tail end that collapsable shaft stretches into connecting sleeve is provided with seal ring to ensure the sealing between collapsable shaft and connecting sleeve, the friction that groove is subject to reduce bearing is offered near the place that the bearing of seal ring contacts with connecting sleeve, bearing chuck is provided with to ensure the mounting point of bearing between bearing, described collapsable shaft is also provided with and is axially free to slide along collapsable shaft to limit bearing for bearing gland bearing is pressed in connecting sleeve.
Described rubber hose coupling and collapsable shaft joint are provided with O type circle to ensure the sealing effect of joint.
Described bearing gland and collapsable shaft joint are provided with circlip for shaft and are axially free to slide along collapsable shaft with restrictive axes pressure cap.
One end that described bearing gland is connected with bearing is also provided with a circlip for hole be fastened on connecting sleeve endoporus groove, circlip for hole coordinates with bearing gland and is axially free to slide along collapsable shaft to limit bearing.
The beneficial effects of the utility model are: the utility model constitutes connecting head by collapsable shaft, rubber hose coupling and connecting sleeve three critical pieces, and by three axially place's through hole vertically constitute water channel and avoid water channel in joint and occur angle, thus ensure that the sealing of joint ensure that the hydraulic pressure arriving drill bit.
Simultaneously the utility model is provided with sealed member in each joint, ensure that sealing, ensure that connecting head one end is fixed one end and rotated by bearing fit simultaneously, thus realizes drilling rod and supply water in rotation process.
The utility model only has several parts of only a few simultaneously, and structure is simple, and design is quite reasonable, and it is also extremely convenient to remove and install between parts, is convenient to change in joint and holds flimsy position, thus cost-saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Graphical indicia: 1, rubber hose coupling; 2 and 11, O type circle; 3, collapsable shaft; 4, circlip for shaft; 5, bearing gland; 6, circlip; 7, bearing; 8, bearing chuck; 9, connecting sleeve; 10, seal ring.
Embodiment
Shown in figure, embodiment is as follows:
A kind of to the connecting head of drilling rod water supply high service device, comprise the collapsable shaft 3 that axle center place offers axial hole, the rubber hose coupling 1 be connected with high service device waterexit end and the connecting sleeve 9 be connected with drilling rod, collapsable shaft 3 one end is fixing inserts in rubber hose coupling 1, the other end is rotatably installed in connecting sleeve 9, the axle center place of rubber hose coupling 1 and connecting sleeve 9 all offers through hole and is interconnected with through hole on collapsable shaft 3 and forms water channel and export to drilling rod with the water realizing water feeder, described collapsable shaft 3 is rotated by pair of bearings 7 and is arranged on connecting sleeve 9, the tail end that collapsable shaft 3 stretches into connecting sleeve 9 is provided with seal ring 10 to ensure the sealing between collapsable shaft 3 and connecting sleeve 9, the friction that groove is subject to reduce bearing 7 is offered near the place that the bearing 7 of seal ring 10 contacts with connecting sleeve 9, bearing chuck 8 is provided with to ensure the mounting point of bearing 7 between bearing 7, described collapsable shaft 3 is also provided with and is axially free to slide along collapsable shaft 3 to limit bearing 7 for the bearing gland 5 bearing 7 is pressed in connecting sleeve 9.
Described rubber hose coupling 1 is provided with O type circle 2 to ensure the sealing effect of joint with collapsable shaft 3 joint.
Described bearing gland 5 and collapsable shaft 3 joint are provided with circlip for shaft 4 and are axially free to slide along collapsable shaft 3 with restrictive axes pressure cap 5.
One end that described bearing gland 5 is connected with bearing 7 is also provided with a circlip for hole 6 be fastened on connecting sleeve 9 endoporus groove, circlip for hole 6 coordinates to limit bearing 7 and is axially free to slide along collapsable shaft 3 with bearing gland 5.
Connecting head in the utility model connects water feeder and drilling rod, wherein rubber hose coupling 1 is connected with the waterexit end of water feeder, connecting sleeve 9 is connected with drilling rod, the external diameter of connecting sleeve 9 away from the one end be connected with collapsable shaft 3 is provided with screw thread so that be connected on drilling rod, adopt thread connecting mode and be provided with O type circle 11 to ensure sealing at end, when drilling rod rotates, connecting sleeve 9 constantly rotates, and collapsable shaft and rubber hose coupling 1 are fixed on water feeder and keep motionless, ensure that when drilling rod works, water feeder constantly supplies water, through hole simultaneously in three parts forms water channel, passage end is connected with the output terminal of water feeder, the other end is communicated with the cooling water passage in drilling rod, the whole passage of joint be straight passage avoid impact cause poorly sealed.
Technological scheme cited by the utility model and mode of execution be not restriction, be equal to the technological scheme cited by the utility model and mode of execution or effect same approach all in the scope that the utility model is protected.
Claims (4)
1. one kind to the connecting head of drilling rod water supply with high service device, it is characterized in that: comprise the collapsable shaft (3) that axle center place offers axial hole, the rubber hose coupling (1) be connected with high service device waterexit end and the connecting sleeve (9) be connected with drilling rod, collapsable shaft (3) one end is fixing inserts in rubber hose coupling (1), the other end is rotatably installed in connecting sleeve (9), the axle center place of rubber hose coupling (1) and connecting sleeve (9) all offers through hole and is interconnected with the upper through hole of collapsable shaft (3) and forms water channel and export to drilling rod with the water realizing water feeder, described collapsable shaft (3) is rotated by pair of bearings (7) and is arranged on connecting sleeve (9), the tail end that collapsable shaft (3) stretches into connecting sleeve (9) is provided with seal ring (10) to ensure the sealing between collapsable shaft (3) and connecting sleeve (9), the friction that groove is subject to reduce bearing (7) is offered near the place that the bearing (7) of seal ring (10) contacts with connecting sleeve (9), bearing chuck (8) is provided with to ensure the mounting point of bearing (7) between bearing (7), described collapsable shaft (3) is also provided with and is axially free to slide along collapsable shaft (3) to limit bearing (7) for the bearing gland (5) bearing (7) is pressed in connecting sleeve (9).
2. according to claim 1 a kind of to the connecting head of drilling rod water supply high service device, it is characterized in that: described rubber hose coupling (1) and collapsable shaft (3) joint are provided with O type circle (2) to ensure the sealing effect of joint.
3. according to claim 1 a kind of to the connecting head of drilling rod water supply high service device, it is characterized in that: described bearing gland (5) and collapsable shaft (3) joint are provided with circlip for shaft (4) and are axially free to slide along collapsable shaft (3) with restrictive axes pressure cap (5).
4. according to claim 1 a kind of to the connecting head of drilling rod water supply high service device, it is characterized in that: one end that described bearing gland (5) is connected with bearing (7) is also provided with a circlip for hole (6) be fastened on connecting sleeve (9) endoporus groove, circlip for hole (6) coordinates with bearing gland (5) and is axially free to slide along collapsable shaft (3) to limit bearing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534272.5U CN204042263U (en) | 2014-09-18 | 2014-09-18 | A kind of to the connecting head of drilling rod water supply high service device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534272.5U CN204042263U (en) | 2014-09-18 | 2014-09-18 | A kind of to the connecting head of drilling rod water supply high service device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042263U true CN204042263U (en) | 2014-12-24 |
Family
ID=52242928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420534272.5U Expired - Fee Related CN204042263U (en) | 2014-09-18 | 2014-09-18 | A kind of to the connecting head of drilling rod water supply high service device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863505A (en) * | 2016-05-18 | 2016-08-17 | 鞍山紫竹工程设备制造有限公司 | Self-lubricating water and gas injection method and structure of rotary excavation equipment |
| CN106583297A (en) * | 2016-12-23 | 2017-04-26 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Cleaning brush idle shaft structure of cleaning equipment after CMP and use method |
| CN109505525A (en) * | 2019-01-08 | 2019-03-22 | 王康华 | A kind of drill steel that jumbolter uses and bit shank sealing structure |
-
2014
- 2014-09-18 CN CN201420534272.5U patent/CN204042263U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863505A (en) * | 2016-05-18 | 2016-08-17 | 鞍山紫竹工程设备制造有限公司 | Self-lubricating water and gas injection method and structure of rotary excavation equipment |
| CN105863505B (en) * | 2016-05-18 | 2018-06-22 | 鞍山紫竹工程设备制造有限公司 | A kind of self-lubricating water filling, inflating method and the structure of rotary digging equipment |
| CN106583297A (en) * | 2016-12-23 | 2017-04-26 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Cleaning brush idle shaft structure of cleaning equipment after CMP and use method |
| CN106583297B (en) * | 2016-12-23 | 2019-05-17 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Cleaning brush idle shaft structure of cleaning equipment after CMP and use method |
| CN109505525A (en) * | 2019-01-08 | 2019-03-22 | 王康华 | A kind of drill steel that jumbolter uses and bit shank sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |