CN201874497U - Water supply device for drill rod - Google Patents
Water supply device for drill rod Download PDFInfo
- Publication number
- CN201874497U CN201874497U CN201020598294XU CN201020598294U CN201874497U CN 201874497 U CN201874497 U CN 201874497U CN 201020598294X U CN201020598294X U CN 201020598294XU CN 201020598294 U CN201020598294 U CN 201020598294U CN 201874497 U CN201874497 U CN 201874497U
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- Prior art keywords
- transmission shaft
- ring
- shaft shell
- driven axle
- seat
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Abstract
The utility model provides a water supply device for a drill rod, which has long service life. The water supply device comprises a driving shaft shell body and a driven shaft shell body, wherein the driving shaft shell body and the driven shaft shell body are in closed connection; one side of the driving shaft shell body is communicated with a two-way water supply joint in a closed manner; a driving shaft is installed in the driving shaft shell body in a relatively rotating manner; a driven shaft is installed in the driven shaft shell body in a relatively rotating manner; a water injection cavity is arranged in the middle of the driven shaft, and is communicated with the two-way water supply joint; a left static ring seat is fixedly installed on the inner wall of the driving shaft shell body; a left static ring is fixedly installed in the left static ring seat; a left moving ring seat is fixedly sleeved on the outer wall of the driving shaft; a left moving ring is fixedly installed in the left moving ring seat; the left moving ring is in close contact with the left static ring; a right static ring seat is fixedly installed on the inner wall of the driven shaft shell body; a right static ring is fixedly installed in the right static ring seat; a right moving ring seat is fixedly sleeved on the outer wall of the driven shaft; a right moving ring is fixedly installed in the right moving ring seat; the right moving ring is in close contact with the right static ring; a spring is arranged between the left moving ring seat and the right moving ring seat; and two ends of the spring respectively prop against the left moving ring seat and the right moving ring seat.
Description
Technical field
The utility model relates to a kind of sealing water supply installation, relates in particular to a kind of drilling rod water supplying apparatus.
Background technology
" safety regulations in coal mine " regulation " in coal, rockhole, should take wet boring " is to significantly reduce the dust pollution that causes because of dry type perforating operation.It is to be attached on the wall of water supply chamber with two rubber gaskets that the drilling rod water supplying apparatus that uses of drilling at present solves the method that sealing problem adopts, there is bigger frictional force between rubber gasket and the seal groove (metal), pressure of supply water is big more, frictional force between it is big more, damage to rubber gasket is just fast more, learn according to field investigation, now the drilling rod water supplying apparatus that uses uses and just must change rubber gasket in 3～5 hours, otherwise, will cause the site work environment deterioration and stop perforating, drilling operation, have a strong impact on production efficiency and cost of production.
Summary of the invention
The purpose of this utility model provides a kind of drilling rod water supplying apparatus of long service life.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of drilling rod water supplying apparatus, comprise transmission shaft shell and driven axle housing, transmission shaft shell is connected with the driven axle housing is airtight, transmission shaft shell one side is airtight be communicated with supply water two logical, it is characterized in that: be rotatably installed with power transmission shaft in the transmission shaft shell relatively, be rotatably installed with driven axle in the driven axle housing relatively, have water-injecting cavity in the middle of the driven axle, the water-injecting cavity and two logical the communicating of supplying water; The transmission shaft shell inwall is installed with left stationary seat, be installed with left stationary ring in the stationary seat of a left side, described power transmission shaft passes in left stationary ring, power transmission shaft outer wall fixed cover is equipped with left rotating seat, be installed with left rotating ring in the rotating seat of a left side, left side rotating ring is corresponding with left stationary ring, and left rotating ring is positioned at left stationary ring right side, and left rotating ring closely contacts with left stationary ring; The driven axle inner walls is installed with right stationary seat, be installed with right stationary ring in the right stationary seat, described driven axle passes in right stationary ring, driven axle outer wall fixed cover is equipped with right rotating seat, be installed with right rotating ring in the right rotating seat, right rotating ring is corresponding with right stationary ring, and right rotating ring is positioned at right stationary ring left side, and right rotating ring closely contacts with right stationary ring; Be provided with spring between left side rotating seat and the right rotating seat, the two ends of spring withstand on respectively on left rotating seat and the right rotating seat.
According to described drilling rod water supplying apparatus, it is characterized in that: rotate the described power transmission shaft of installation relatively by left bearing in the described transmission shaft shell; Rotate the described driven axle of installation relatively by right bearing in the described driven axle housing.
According to described drilling rod water supplying apparatus, it is characterized in that: described left bearing is fixedly mounted in the described transmission shaft shell with back-up ring by left hole; Described right bearing is fixedly mounted on described right hole with in the back-up ring by right hole with back-up ring.
According to described drilling rod water supplying apparatus, it is characterized in that: described transmission shaft shell and driven axle housing also are provided with interior " O " type circle by outer " O " type airtight linking to each other of circle in the transmission shaft shell.
According to described drilling rod water supplying apparatus, it is characterized in that: described power transmission shaft one end has pin-and-hole, and pin-and-hole is positioned at described transmission shaft shell outside.
The utility model has prolonged its application life greatly by the Seal Design of power transmission shaft balance and dynamic and static ring, has improved operating personnel's working environment, has improved operating efficiency, has reduced cost of production.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
In the accompanying drawing:
1, power transmission shaft; 2, pin-and-hole; 3, transmission shaft shell; 4, left hole back-up ring; 5, left bearing; 6, left stationary seat; 7, left stationary ring; 8, left rotating ring; 9, left rotating seat; 10, spring; 11, driven axle; 12, right rotating seat; 13, right rotating ring; 14, interior " O " type circle; 15, right stationary ring; 16, outer " O " type circle; 17, right stationary seat; 18, right bearing; 19, driven axle housing; 20, right hole back-up ring; 21, water-injecting cavity; 22, water supply two is logical.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
A kind of drilling rod water supplying apparatus, as shown in Figure 1, comprise transmission shaft shell 3 and driven axle housing 19, transmission shaft shell 3 and 19 airtight connections of driven axle housing, transmission shaft shell 3 one sides are airtight to be communicated with and to supply water two logically 22, is rotatably installed with power transmission shaft 1 in the transmission shaft shell 3 relatively, is rotatably installed with driven axle 11 in the driven axle housing 19 relatively, have water-injecting cavity 21 in the middle of the driven axle 11, water-injecting cavity 21 communicates with water supply two logical 22; Transmission shaft shell 3 inwalls are installed with left stationary seat 6, be installed with left stationary ring 7 in the stationary seat 6 of a left side, described power transmission shaft 1 passes in left stationary ring 7, power transmission shaft 1 outer wall fixed cover is equipped with left rotating seat 9, be installed with left rotating ring 8 in the rotating seat 9 of a left side, left side rotating ring 8 is corresponding with left stationary ring 7, and left rotating ring 8 is positioned at left stationary ring 7 right sides, and left rotating ring 8 closely contacts with left stationary ring 7; Driven axle housing 19 inwalls are installed with right stationary seat 17, be installed with right stationary ring 15 in the right stationary seat 17, described driven axle 11 passes in right stationary ring 15, driven axle 11 outer wall fixed covers are equipped with right rotating seat 12, be installed with right rotating ring 13 in the right rotating seat 12, right rotating ring 13 is corresponding with right stationary ring 15, and right rotating ring 13 is positioned at right stationary ring 15 left sides, and right rotating ring 13 closely contacts with right stationary ring 15; Be provided with spring 10 between left side rotating seat 9 and the right rotating seat 12, the two ends of spring 10 withstand on respectively on left rotating seat 9 and the right rotating seat 12.Rotate the described power transmission shaft 1 of installation relatively by left bearing 5 in the described transmission shaft shell 3; Rotate the described driven axle 11 of installation relatively by right bearing 18 in the described driven axle housing 19.Described left bearing 5 is fixedly mounted in the described transmission shaft shell 3 with back-up ring 4 by left hole; Described right bearing 18 is fixedly mounted on described right hole with in the back-up ring 20 by right hole with back-up ring 20.Described transmission shaft shell 3 and driven axle housing 19 also are provided with interior " O " type circle 14 by outer 16 airtight linking to each other of " O " type circle in the transmission shaft shell 3.Described power transmission shaft 1 one ends have pin-and-hole 2, and pin-and-hole 2 is positioned at described transmission shaft shell 3 outsides.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that expands is protected in the utility model request, all is documented in claims.
The binding site of power transmission shaft and driven axle adopts dynamic and static ring Sealing Technology in the utility model, dynamic and static ring all adopts high abrasion resisting material carborundum to make, between two rotating rings (being left rotating ring and right rotating ring) spring has been installed, water-tight to guarantee that gap between the dynamic and static ring reaches sealing, and attached with the balanced seal design, reach the effect that works long hours and supply water and do not reveal.
The utility model relates to the continuous water supply of drilling rod under rotary state, and emphasis has solved the short problem of seal durability.
The seal at wall two ends, water supply chamber bears hydraulic pressure intensity and is not less than 10Mpa in the utility model, and hermetic unit can not make water supplying apparatus sharply reduce application life because of the increase of hydraulic pressure.
Power transmission shaft connects motor in the utility model, can change different physical dimensions according to different motors, pin-and-hole is a kind of interface mode, power transmission shaft passes power to driven axle, hole, a left side is played the fixedly effect of left bearing and right bearing with back-up ring and right hole respectively with back-up ring, left bearing and right bearing are duplex bearing, and power transmission shaft and driven axle are remained on the same straight line, the balance when guaranteeing to rotate; Left side stationary seat and right stationary seat play the effect of fixing seal left side stationary ring and right stationary ring, left side stationary ring, right stationary ring, left rotating ring and right rotating ring all adopt wearable silicon nitride materials processing, can prolong its working life, in addition, reduce the contact area between rotating ring and the stationary ring, frictional force between it also can reduce, and rotates more flexible; Left side rotating seat makes left rotating ring, right rotating ring combine with spring with right rotating seat not separate, sealing was water-tight when spring made the dynamic and static environmental protection in two ends hold rotation status, driven axle power to the drilling rod transmission, " O " type circle and interior " O " type circle make external seal in the housing outward, and two logical interfaces for drilling rod water supply supply water.
Claims (5)
1. drilling rod water supplying apparatus, comprise transmission shaft shell (3) and driven axle housing (19), transmission shaft shell (3) and airtight connection of driven axle housing (19), airtight two logical (22) of supplying water that are communicated with of transmission shaft shell (3) one sides, it is characterized in that: be rotatably installed with power transmission shaft (1) in the transmission shaft shell (3) relatively, be rotatably installed with driven axle (11) in the driven axle housing (19) relatively, have water-injecting cavity (21) in the middle of the driven axle (11), water-injecting cavity (21) communicates with two logical (22) of supplying water; Transmission shaft shell (3) inwall is installed with left stationary seat (6), be installed with left stationary ring (7) in the left side stationary seat (6), described power transmission shaft (1) passes in left stationary ring (7), power transmission shaft (1) outer wall fixed cover is equipped with left rotating seat (9), be installed with left rotating ring (8) in the left side rotating seat (9), left side rotating ring (8) is corresponding with left stationary ring (7), and left rotating ring (8) is positioned at left stationary ring (7) right side, and left rotating ring (8) closely contacts with left stationary ring (7); Driven axle housing (19) inwall is installed with right stationary seat (17), be installed with right stationary ring (15) in the right stationary seat (17), described driven axle (11) passes in right stationary ring (15), driven axle (11) outer wall fixed cover is equipped with right rotating seat (12), be installed with right rotating ring (13) in the right rotating seat (12), right rotating ring (13) is corresponding with right stationary ring (15), and right rotating ring (13) is positioned at right stationary ring (15) left side, and right rotating ring (13) closely contacts with right stationary ring (15); Be provided with spring (10) between left side rotating seat (9) and the right rotating seat (12), the two ends of spring (10) withstand on respectively on left rotating seat (9) and the right rotating seat (12).
2. drilling rod water supplying apparatus according to claim 1 is characterized in that: rotate installation described power transmission shaft (1) relatively by left bearing (5) in the described transmission shaft shell (3); Rotate installation described driven axle (11) relatively by right bearing (18) in the described driven axle housing (19).
3. drilling rod water supplying apparatus according to claim 2 is characterized in that: described left bearing (5) is fixedly mounted in the described transmission shaft shell (3) with back-up ring (4) by left hole; Described right bearing (18) is fixedly mounted on described right hole with in the back-up ring (20) by right hole with back-up ring (20).
4. drilling rod water supplying apparatus according to claim 3 is characterized in that: described transmission shaft shell (3) and driven axle housing (19) also are provided with interior " O " type circle (14) by outer airtight linking to each other of " O " type circle (16) in the transmission shaft shell (3).
5. according to each described drilling rod water supplying apparatus in the claim 1 to 4, it is characterized in that: described power transmission shaft (1) one end has pin-and-hole (2), and pin-and-hole (2) is positioned at described transmission shaft shell (3) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020598294XU CN201874497U (en) | 2010-10-30 | 2010-10-30 | Water supply device for drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020598294XU CN201874497U (en) | 2010-10-30 | 2010-10-30 | Water supply device for drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874497U true CN201874497U (en) | 2011-06-22 |
Family
ID=44162420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020598294XU Expired - Fee Related CN201874497U (en) | 2010-10-30 | 2010-10-30 | Water supply device for drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031934A (en) * | 2010-10-30 | 2011-04-27 | 枣庄矿业(集团)有限责任公司高庄煤矿 | Drill rod water feeder |
-
2010
- 2010-10-30 CN CN201020598294XU patent/CN201874497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031934A (en) * | 2010-10-30 | 2011-04-27 | 枣庄矿业(集团)有限责任公司高庄煤矿 | Drill rod water feeder |
| CN102031934B (en) * | 2010-10-30 | 2013-03-06 | 枣庄矿业(集团)有限责任公司高庄煤矿 | Drill rod water feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20111030 |