CN2541094Y - Loose preventer between power unit mainshaft and drill rod for driller - Google Patents
Loose preventer between power unit mainshaft and drill rod for driller Download PDFInfo
- Publication number
- CN2541094Y CN2541094Y CN 02233366 CN02233366U CN2541094Y CN 2541094 Y CN2541094 Y CN 2541094Y CN 02233366 CN02233366 CN 02233366 CN 02233366 U CN02233366 U CN 02233366U CN 2541094 Y CN2541094 Y CN 2541094Y
- Authority
- CN
- China
- Prior art keywords
- head main
- semi
- minor axis
- ring
- main spindle
- 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 - Lifetime
Links
Abstract
Provided is a locking device of a driller placed between a power head main shaft and a drilling rod, comprising the power head main shaft and a minor axis. The power head main shaft and the minor axis are respectively provided with screw-threads which are mutually and oppositely arranged, and the minor axis is connected with the power head main shaft via bolt connection. An annular groove is arranged on one side of the near outer end of the power head main shaft, and an annular groove is also arranged at one end of the connection of the minor axis and the power head main shaft. The locking device is composed of two half-circles, both ends of the half-circles are provided with circular locking edges which are opposite to the minor axis and the power head main shaft, the circular locking edges are respectively blocked on the annular grooves of the power head main shaft and the minor axis, and the two half-circles are connected together by a stationary part. Because the circular locking edges are respectively blocked on the annular grooves of the power head main shaft and the minor axis, the utility model is capable of effectively preventing axially shifting between the head main shaft and the minor axis, the installation of the screw-threads on the axis can not cause the loosening of the minor axis due to the counter-rotating of the power head main shaft, thereby the screw-threads of the minor axis and the power head main shaft can not be easily damaged, service life of the minor axis can be prolonged, and operation cost can be saved.
Description
Technical field
The utility model relates to a kind of jockey, especially relates to a kind of jockey that is used between drill power head main shaft and the drilling rod.
Background technology
On the rig of probing or driving usefulness, drilling rod needs the main shaft of unit head to drive and could rotate, and after rig is finished a drilling rod propelling, needs this drilling rod and dynamic head main spindle are thrown off, with the drilling rod that more renews.And the dynamic head main spindle of existing rig is directly to link to each other with drilling rod, and drilling rod need be installed frequently, dismantle.Under long-term the use, the coupling part of dynamic head main spindle and drilling rod will be damaged, and like this, just needs to upgrade dynamic head main spindle.And dynamic head main spindle is installed in headstock inside, and its cost is higher.Therefore, changing dynamic head main spindle had continually both bothered also uneconomical.At above-mentioned shortcoming, there is the people between dynamic head main spindle and drilling rod, to increase a minor axis, by screw thread dynamic head main spindle is connected with drilling rod, and this mode at work, move back button because of dynamic head main spindle needs counter-rotating sometimes, and can cause minor axis and dynamic head main spindle to unclamp mutually, and influence work; And this screw thread is often loosening also can to cause damage by double thread, shortens the service life of minor axis and dynamic head main spindle.
The utility model content
The purpose of this utility model provides and a kind ofly can prevent the dynamic head main spindle of the rig that becomes flexible and the locking device between drilling rod effectively.
In order to achieve the above object, the utility model provides a kind of dynamic head main spindle of rig and the locking device between drilling rod, comprises dynamic head main spindle and minor axis, and dynamic head main spindle and minor axis are respectively arranged with corresponding screw thread, minor axis and dynamic head main spindle bolt; Dynamic head main spindle is being provided with cannelure near a side of its outer end, and the minor axis side that links to each other with dynamic head main spindle also is provided with cannelure; Described locking device is to be made of two semi-rings, and the semi-ring two ends are respectively arranged with and dynamic head main spindle and the corresponding arc edge of minor axis, and holding is in the cannelure of dynamic head main spindle and minor axis respectively for the arc edge, and two semi-rings are connected one by fixture.
Described fixture is the shell that two semi-rings can be nested with in it, and shell comprises housing and gland, and semi-ring is installed in the containing hole of housing, and gland is installed in shell end.
Described fixture is the shell that two semi-rings can be nested with in it, and shell comprises housing and jump ring, and semi-ring is installed in the containing hole of housing, and the containing hole outside is provided with draw-in groove with semi-ring end face relevant position, and jump ring is installed in the draw-in groove.
Described fixture is the fillet that is arranged on the semi-ring both sides, is respectively arranged with the hole on the fillet of two semi-rings, with screw two semi-rings is fixed.
Described fixture is the annulus that is provided with through hole, and the biend of semi-ring is provided with screwed hole, with screw annulus and semi-ring is fixed together.
Described fixture is a jump ring, at the semi-ring excircle draw-in groove is set respectively, and described jump ring holding is in draw-in groove.
The utility model has the advantages that: because the utility model is placed on the cannelure of dynamic head main spindle and minor axis respectively by semi-ring, can prevent the axial displacement of the two effectively, therefore, screw thread the becoming flexible because of dynamic head main spindle counter-rotating causing minor axis of minor axis be installed; Therefore, the screw thread of minor axis and dynamic head main spindle just is difficult for being damaged, and can prolong the service life of minor axis, saves cost of use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model comprises a dynamic head main spindle 1, the minor axis 3 and the locking device that can link to each other with drilling rod 2.
These minor axis 3 one ends link to each other with drilling rod 2, and the other end is provided with external screw thread 31.Dynamic head main spindle 1 is provided with the external screw thread 31 corresponding internal threads 11 with minor axis 3, and minor axis 3 is installed on the dynamic head main spindle 1 by screw thread.Be provided with cannelure 32 at minor axis 3 near screw thread one side.
An end that links to each other with minor axis 3 of dynamic head main spindle 1 is provided with internal thread 11, is provided with cannelure 12 in the side near the end.
This locking device comprises snap ring, fixture.
This snap ring is to be involuted by two semi-rings 4, the two ends of each semi-ring 4 are provided with the arc edge 41 of downward protrusion, the radian of edge 41 should be no more than radius, the arc radius of edge 41 bottom sides is corresponding with the radius of cannelure 12,32, the width of edge 41 is corresponding with the width of cannelure 12,32, it just can be placed in the cannelure 12,32, and the gap between edge 41 and the cannelure 12,32 is the smaller the better.Holding is in the cannelure 12,32 of minor axis 3 and dynamic head main spindle 1 respectively for 2 edges 41 on the snap ring, and two semi-rings 4 involute an annulus after the holding.These two semi-rings, 4 involutory back groups do not become a complete annulus, and leave the slit in the centre.
This fixture is a shell, this shell is made up of housing 5 and gland 6, housing 5 inside are provided with the containing hole 51 that can hold snap ring, the openend end face of containing hole 51 is provided with screwed hole, the other end of containing hole 51 is provided with circular hole, the slightly larger in diameter of this circular hole is in the diameter of corresponding minor axis 3 with it, and concentric with containing hole 51, and housing 5 can be nested with on minor axis 3.Gland 6 centers are provided with porose, the slightly larger in diameter in this hole is in dynamic head main spindle 1 diameter corresponding with it, gland 6 can be nested with on dynamic head main spindle 1, gland 6 is provided with and the corresponding through hole in containing hole 51 end-face helical holes, gland 6 and housing 5 can be fixed together by screw, the side that gland 6 links to each other with housing 5 is provided with convex 61, is used to push down the semi-ring 4 in the containing hole 51.This shell also can not use gland 6, and replaces gland 6 with jump ring, is provided with draw-in groove in containing hole 51 outsides and the corresponding position of semi-ring, and housing 5 is nested with after on the semi-ring 4, and the jump ring holding can be tightened the location with semi-ring in containing hole in draw-in groove.Because this semi-ring 4 is nested with in the enclosure, therefore, these two semi-rings 4 can not separate, and dynamic head main spindle 1 and minor axis 3 can not moved axially, and screw thread therebetween just can not become flexible.
Locking device of the present utility model also can adopt another scheme, promptly there is not shell to have only snap ring, can be provided with the fillet that extends laterally in each semi-ring 4 both sides, through hole and screwed hole are set respectively on two fillets, perhaps through hole all is set, two semi-rings 4 can be linked together with screw at two fillets; This scheme also can be taked on semi-ring 4 directly boring and without the mode of fillet, with screw two semi-rings 4 be linked together.
Semi-ring 4 of the present utility model also can be fixed by other method, this method is that the both ends of the surface at semi-ring 4 are respectively arranged with screwed hole, other establishes 2 connecting rings, and connecting ring is provided with and the corresponding through hole of the screwed hole of semi-ring end face, with screw semi-ring and connecting ring is fixed together.
In addition, also can be by jump ring with two semi-rings, 4 chuckings, same position at two semi-ring 4 excircles is provided with draw-in groove, this draw-in groove can constitute the draw-in groove of a circle after two semi-rings 4 are involutory, and the quantity of this draw-in groove can be one, also can be a plurality of, preferably a draw-in groove respectively is set in the both sides of semi-ring 4, after when mounted two semi-rings 4 being placed in the cannelure of minor axis 3 and dynamic head main spindle 1, jump ring is stuck in the draw-in groove in semi-ring 4 outsides, snap ring can not separated.
The utility model in use, earlier the screw thread with minor axis 3 is screwed into dynamic head main spindle 1, then, two semi-rings is placed in respectively in the cannelure of minor axis 3 and dynamic head main spindle 1, puts shell again or with screw semi-ring is fixed.When needs dismountings minor axis 3, only need shell or screw unloaded semi-ring is taken off, then, minor axis 3 spiral shells are gone out to get final product.
In when work, snap ring has limited the axial displacement between dynamic head main spindle 1 and the minor axis 3, and no matter dynamic head main spindle 1 is just to change or reverse, and can not become flexible between minor axis 3 and the dynamic head main spindle 1.
The utility model can be used for using on trenchless pipelaying rig or other the similar rigs.
Claims (6)
1, a kind of dynamic head main spindle of rig and the locking device between drilling rod, comprise dynamic head main spindle and minor axis, dynamic head main spindle and minor axis are respectively arranged with corresponding screw thread, minor axis and dynamic head main spindle bolt, it is characterized in that: described dynamic head main spindle is being provided with cannelure near a side of its outer end, and the minor axis side that links to each other with dynamic head main spindle also is provided with cannelure; Described locking device is to be made of two semi-rings, and the semi-ring two ends are respectively arranged with and dynamic head main spindle and the corresponding arc edge of minor axis, and holding is in the cannelure of dynamic head main spindle and minor axis respectively for the arc edge, and two semi-rings are linked together by fixture.
2, locking device according to claim 1 is characterized in that: described fixture is the shell that two semi-rings can be nested with in it, and shell comprises housing and gland, and semi-ring is installed in the containing hole of housing, and gland is installed in shell end.
3, locking device according to claim 1, it is characterized in that: described fixture is the shell that two semi-rings can be nested with in it, shell comprises housing and jump ring, semi-ring is installed in the containing hole of housing, the containing hole outside is provided with draw-in groove with semi-ring end face relevant position, and jump ring is installed in the draw-in groove.
4, locking device according to claim 1 is characterized in that: described fixture is the fillet that is arranged on the semi-ring both sides, is respectively arranged with the hole on the fillet of two semi-rings, with screw two semi-rings is fixed.
5, locking device according to claim 1 is characterized in that: described fixture is the annulus that is provided with through hole, is provided with screwed hole on the biend of semi-ring, with screw annulus and semi-ring is fixed together.
6, locking device according to claim 1 is characterized in that: described fixture is a jump ring, at the semi-ring excircle draw-in groove is set respectively, and the jump ring holding is in draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233366 CN2541094Y (en) | 2002-04-28 | 2002-04-28 | Loose preventer between power unit mainshaft and drill rod for driller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233366 CN2541094Y (en) | 2002-04-28 | 2002-04-28 | Loose preventer between power unit mainshaft and drill rod for driller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2541094Y true CN2541094Y (en) | 2003-03-26 |
Family
ID=33708516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233366 Expired - Lifetime CN2541094Y (en) | 2002-04-28 | 2002-04-28 | Loose preventer between power unit mainshaft and drill rod for driller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2541094Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759649A (en) * | 2015-04-28 | 2015-07-08 | 长沙矿山研究院有限责任公司 | Power head drill rod locking mechanism |
| TWI625181B (en) * | 2016-12-27 | 2018-06-01 | Tool machine spindle anti-loose device and its combined structure |
-
2002
- 2002-04-28 CN CN 02233366 patent/CN2541094Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759649A (en) * | 2015-04-28 | 2015-07-08 | 长沙矿山研究院有限责任公司 | Power head drill rod locking mechanism |
| CN104759649B (en) * | 2015-04-28 | 2017-05-24 | 长沙矿山研究院有限责任公司 | Power head drill rod locking mechanism |
| TWI625181B (en) * | 2016-12-27 | 2018-06-01 | Tool machine spindle anti-loose device and its combined structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DEWEI TUXINGSUN ENGINEERING MECHANICAL ( BEIJING ) Free format text: FORMER OWNER: BEIJING TUXINGSUN NON-DIG TECHNOLOGY CO., LTD. Effective date: 20090424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090424 Address after: Beijing City, Tongzhou District Development Zone Huoxian Kuo Xing five Street No. 6, zip code: 101109 Patentee after: DW/TXS CONSTRUCTION EQUIPMENT (BEIJING) CO., LTD. Address before: Room 306, building D, building 100089, Ho Ho building, 3 north wa Road, Beijing, Haidian District, China Patentee before: Beijing Tuxingsun No-Opencut Techn Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120428 Granted publication date: 20030326 |