CN202510061U - Drill pipe clamping mechanism for horizontal directional drilling rig - Google Patents
Drill pipe clamping mechanism for horizontal directional drilling rig Download PDFInfo
- Publication number
- CN202510061U CN202510061U CN2012201130831U CN201220113083U CN202510061U CN 202510061 U CN202510061 U CN 202510061U CN 2012201130831 U CN2012201130831 U CN 2012201130831U CN 201220113083 U CN201220113083 U CN 201220113083U CN 202510061 U CN202510061 U CN 202510061U
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- drill pipe
- horizontal directional
- drilling rod
- directional drilling
- hydraulic cylinder
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Abstract
The utility model relates to a drill pipe clamping mechanism for a horizontal directional drilling rig and belongs to the technical field of engineering machinery. The mechanism comprises a fixed clamp and a turning clamp which are fixed on a rack of the horizontal directional drilling rig and serially connected mutually along the axial direction of the drill pipe. Each clamp comprises hydraulic cylinders, a piston rod and a clamping block, wherein the piston rod stretches out of one end of the hydraulic cylinders, the clamping block is arranged at the end portion of the piston rod, and four to eight hydraulic cylinders are in a symmetrical cross arrangement around the axis of the drill pipe. The drill pipe clamping mechanism for the horizontal directional drilling rig has the advantages that cylinder diameters of the hydraulic cylinders are reduced on the premise that clamping force is guaranteed, therefore the distance of the clamping mechanism on the axial direction of the drill pipe is shorter, the service life of the drill pipe is prolonged, and the cost is saved.
Description
Technical field
The utility model relates to the drilling rod clamping device on a kind of rig, belongs to technical field of engineering machinery.
Background technology
Horizontal directional drilling machine is a kind of drilling project machinery, is widely used in the laying of pipelines such as oil and gas pipes, drainage pipeline, electric power, communication.Its operating principle be driving mechanism drive the drilling rod rotation and along straight-line feed in the scope of operation, drilling rod has head threads and afterbody nut, the nut outer wall formation clamping part of afterbody.Clamping device is end to end with the logical screw thread of many drilling rods during use, and rig continues rotation and feeding realizes creeping into then, and the operation rear drive mechanism that finishes is extracted drilling rod out from the scope of operation, by clamping device with drilling rod by the root unloading.It is thus clear that clamping device is the vitals of horizontal directional drilling machine, to guarantee that when clamping the center line of drilling rod is concentric with the center line of drill power head, connect and will guarantee that drilling rod does not slide during shackle twisting.
Small-sized horizontal directional drilling machine generally adopts the clip-on clamping device of double hydraulic cylinder; And large-scale horizontal directional drilling machine is because the heavy caliber drilling rod of its clamping and unloading has bigger deadweight and connecting portion screw thread moment of torsion; Chucking power to clamping device is had higher requirement; Existing large-scale horizontal directional drilling machine adopts three hydraulic cylinders of circular array to clamping structure more, because the power output of hydraulic cylinder is directly proportional with the effective area of piston, selects for use the bigger hydraulic cylinder of cylinder diameter to guarantee enough chucking powers; The inventor finds that in long-term practice the clamping part of drilling rod can shorten after the thread segment correction; Clamping part through drilling rod after the thread segment correction repeatedly can be less than the cylinder diameter of clamping device hydraulic cylinder; Cause and to be scrapped by effective clamping, the application life that has determined drilling rod application life of visible drilling rod clamping part.
The utility model content
The technical problem that the utility model will solve is; Drilling rod clamping device to the existing level directional drilling machine has the deficiency that can't continue to use after the correction of drilling rod clamping part shortens, and proposes a kind of at the clamping device that guarantees to dwindle under the chucking power prerequisite the axial clamping size of drilling rod.
The utility model is that the technical scheme that solves the problems of the technologies described above proposition is: a kind of horizontal directional drilling machine drilling rod clamping device; The two groups of clampers of fixed clamp device and upset clamper that comprise the frame upper edge drilling rod axial series that is fixed on horizontal directional drilling machine; Clamper comprises hydraulic cylinder, stretch out the piston rod of hydraulic cylinder one end and be located at the fixture block of piston rod end; The quantity of hydraulic cylinder is four-eight, and hydraulic cylinder is around drilling rod axle center symmetric arrangement.
The quantity of hydraulic cylinder is preferably four, and four hydraulic cylinders become the cross symmetric arrays around the drilling rod axle center.
The multiple spot clamp structure owing to employing four-eight of the utility model; Compare existing 2 points, 3 drilling rod clamping devices; The beneficial effect that has is: under the prerequisite that does not reduce the drilling rod chucking power, dwindled the cylinder diameter of hydraulic cylinder, made that clamping device distance on drilling rod is axial is shorter, the drilling rod that clamping part shortens after the correction of clamping screw thread effectively; Prolong the application life of drilling rod, practiced thrift cost.
Description of drawings
Be described further below in conjunction with the horizontal directional drilling machine drilling rod clamping device of accompanying drawing the utility model.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model embodiment three.
The specific embodiment
Embodiment one
The horizontal directional drilling machine drilling rod clamping device of present embodiment comprises two groups of clampers of fixed clamp device and upset clamper of the frame upper edge drilling rod axial series that is fixed on horizontal directional drilling machine; The fixed clamp device is identical with the internal construction of upset clamper; The rack section that its difference only is to install and fix clamper is fixed, and the rack section that the upset clamper is installed is turnover.The internal construction of clamper is as shown in Figure 1; Comprise hydraulic cylinder 2, stretch out the piston rod 3 of hydraulic cylinder 2 one ends and be located at the fixture block 4 of piston rod end; Wherein hydraulic cylinder 2 is affixed with frame 1; And the quantity of hydraulic cylinder 2 is four, and four hydraulic cylinders 2 become the cross symmetric arrays around the axle center of drilling rod 5.
During use; After by the feed mechanism of horizontal directional drilling machine drilling rod being pierced work plane; Clamping device is around being positioned at the drilling rod clamping part; The rodless cavity of hydraulic oil in fluid pressure line gets into fixed clamp device hydraulic cylinder, and then piston rod and be fixed in the fixture block of its end clamp the afterbody of treating stacks; The rodless cavity of another road hydraulic oil in fluid pressure line gets into upset clamper hydraulic cylinder, and then piston rod and be fixed in the fixture block of its end clamp the screw head of new drilling rod; The upset clamper is screwed into the afterbody of treating stacks with the head of new drilling rod under the driving of frame overturning oil cylinder, accomplish to twist to connect that the back hydraulic oil gets into the fixed clamp device through commutating after and the rod chamber of the clamper hydraulic cylinder that overturns unclamps fixture block.The operating procedure of shackle with twist connect basic identical, difference be frame reverses direction with twist when connecing opposite.
Embodiment two
Present embodiment is the improvement on embodiment one basis; As shown in Figure 2; Different is except that identical with embodiment one for it: the quantity of hydraulic cylinder 2 is six; The piston rod 3 that correspondingly stretches out hydraulic cylinder 2 one ends also is six with the quantity of being located at the fixture block 4 of piston rod end, and six hydraulic cylinders 2 center on one-tenth center, the axle center symmetric arrays of drilling rod 5.
Embodiment three
Present embodiment is the improvement on embodiment one basis; As shown in Figure 3; Different is except that identical with embodiment one for it: the quantity of hydraulic cylinder 2 is eight; The piston rod 3 that correspondingly stretches out hydraulic cylinder 2 one ends also is eight with the quantity of being located at the fixture block 4 of piston rod end, and eight hydraulic cylinders 2 center on one-tenth center, the axle center symmetric arrays of drilling rod 5.
The horizontal directional drilling machine drilling rod clamping device of the utility model is not limited to above-mentioned each embodiment, and all employings are equal to the technical scheme that replacement forms, and all drop on the protection domain of the utility model requirement.
Claims (2)
1. horizontal directional drilling machine drilling rod clamping device; The two groups of clampers of fixed clamp device and upset clamper that comprise the frame upper edge drilling rod axial series that is fixed on horizontal directional drilling machine; Said clamper comprises hydraulic cylinder, stretch out the piston rod of hydraulic cylinder one end and be located at the fixture block of piston rod end; It is characterized in that: the quantity of said hydraulic cylinder is four-eight, and said hydraulic cylinder is around drilling rod axle center symmetric arrangement.
2. horizontal directional drilling machine drilling rod clamping device according to claim 1 is characterized in that: the quantity of said hydraulic cylinder is four, and four hydraulic cylinders become the cross symmetric arrays around the drilling rod axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201130831U CN202510061U (en) | 2012-03-23 | 2012-03-23 | Drill pipe clamping mechanism for horizontal directional drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201130831U CN202510061U (en) | 2012-03-23 | 2012-03-23 | Drill pipe clamping mechanism for horizontal directional drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510061U true CN202510061U (en) | 2012-10-31 |
Family
ID=47062553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201130831U Expired - Fee Related CN202510061U (en) | 2012-03-23 | 2012-03-23 | Drill pipe clamping mechanism for horizontal directional drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510061U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953302A (en) * | 2014-04-25 | 2014-07-30 | 上海钻一机械有限公司 | Vise clamping mechanism for horizontal directional drilling machine |
| CN104626012A (en) * | 2015-02-03 | 2015-05-20 | 成都大漠石油机械有限公司 | Fixing mechanism for cleaning drill rod |
| CN104790889A (en) * | 2015-04-22 | 2015-07-22 | 青岛江汉石油机械有限公司 | High-torque down-hole rod pipe tool detaching-assembling device |
| CN111395985A (en) * | 2020-04-10 | 2020-07-10 | 长江岩土工程总公司（武汉） | Drill rod three-jaw clamp and using method thereof |
| CN113618573A (en) * | 2021-08-18 | 2021-11-09 | 重庆臻宝实业有限公司 | Automatic grinding device of pottery stick |
-
2012
- 2012-03-23 CN CN2012201130831U patent/CN202510061U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953302A (en) * | 2014-04-25 | 2014-07-30 | 上海钻一机械有限公司 | Vise clamping mechanism for horizontal directional drilling machine |
| CN103953302B (en) * | 2014-04-25 | 2015-12-16 | 上海钻一机械有限公司 | A kind of vice clamping device for horizontal directional drilling machine |
| CN104626012A (en) * | 2015-02-03 | 2015-05-20 | 成都大漠石油机械有限公司 | Fixing mechanism for cleaning drill rod |
| CN104790889A (en) * | 2015-04-22 | 2015-07-22 | 青岛江汉石油机械有限公司 | High-torque down-hole rod pipe tool detaching-assembling device |
| CN111395985A (en) * | 2020-04-10 | 2020-07-10 | 长江岩土工程总公司（武汉） | Drill rod three-jaw clamp and using method thereof |
| CN111395985B (en) * | 2020-04-10 | 2023-08-18 | 长江岩土工程有限公司 | Three-jaw drill rod clamp holder and use method thereof |
| CN113618573A (en) * | 2021-08-18 | 2021-11-09 | 重庆臻宝实业有限公司 | Automatic grinding device of pottery stick |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20160323 |