CN105178888A - Hydraulic drill rod clamper - Google Patents
Hydraulic drill rod clamper Download PDFInfo
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- CN105178888A CN105178888A CN201510549981.XA CN201510549981A CN105178888A CN 105178888 A CN105178888 A CN 105178888A CN 201510549981 A CN201510549981 A CN 201510549981A CN 105178888 A CN105178888 A CN 105178888A
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- clamper
- connecting rod
- right connecting
- rod
- hydraulic
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Abstract
The invention discloses a hydraulic drill rod clamper. The hydraulic drill rod clamper comprises a clamper shell (1), and hydraulic oil cylinders (2), a left connecting rod (3), clamper blocks (4) and a right connecting rod (5) arranged in the clamper shell, wherein the left and right connecting rods are symmetrically arranged in the clamper shell; one ends of the left and right connecting rods are connected by a gear engaging manner, and the other ends are connected with the clamper shell; two clamper blocks are symmetrically arranged in the clamper shell, can clamp drill rod drilling tools with multiple specifications, and are respectively mounted on the left and right connecting rods; two hydraulic oil cylinders are symmetrically arranged above the left and right connecting rods; one ends of the hydraulic oil cylinders are connected with the clamper shell, and the other ends are connected with the left/right connecting rods; and two gears of the left and right connecting rods are driven to engage through the extension of the hydraulic oil cylinders so as to drive the wedged clamper blocks to vertically move in the center shaft direction of the clamper shell to realize the clamping or looseness of drill rods. The hydraulic drill rod clamper is strong in clamping force, easy to be replaced and capable of being suitable for the clamping of the drill rods with multiple specifications.
Description
Technical field
The present invention relates to a kind of clamper, specifically a kind of hydraulic drilling rod clamper, belongs to drill pipe clamp technical field.
Background technology
Drill pipe clamp is used for a kind of instrument of holding drill pipe in geological core drilling, and it can any one position of holding drill pipe.At present, the drill pipe clamp that rock-core borer uses mainly contains hydraulic pressure wooden horse formula clamper and hydraulic pressure deadweight type clamper two kinds.Existing hydraulic pressure wooden horse formula clamper is moved by the pantograph drive link of hydraulic cylinder piston rod and is with moving cam to rotate, and clamped by the eccentric rotary of cam or unclamped drilling rod, and shortcoming adopts cam mechanism, and complex structure, clamping force are little.Hydraulic pressure deadweight type clamper has two hydraulic jacks, and rely on the flexible drive slips of cylinder piston rod to move up and down along inclined-plane, thus unclamp or clamp drill string, under shallow bore hole or the lightweight operating mode of drill string, shortcomings such as there will be clamping force little, functional reliability is poor, slips is not easily changed.Visible, these two kinds of clampers exist that clamping force is little, complex structure or the not easily problem such as replacing, and the scope of application is limited, can not the clamping of suitable for various size drilling rod.Therefore, the clamper that a kind of clamping force is strong, be easy to replacing is badly in need of.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of hydraulic drilling rod clamper, its clamping force is strong, be easy to change, the clamping of plurality of specifications drill string can be adapted to.
To achieve these goals, a kind of hydraulic drilling rod clamper that the present invention adopts, comprise clamper housing and be arranged in the hydraulic jack of clamper enclosure interior, left connecting rod, clamper slips, right connecting rod, described left connecting rod and right connecting rod are arranged symmetrically in clamper housing, one end of left connecting rod and one end of right connecting rod adopt the mode of gears meshing to be connected, and the other end of left connecting rod is connected with clamper housing with the other end of right connecting rod; Two clamper slips are arranged symmetrically in clamper housing, can clamp the drill rod boring tool of plurality of specifications, and are arranged on left connecting rod and right connecting rod respectively; Two hydraulic jacks are arranged symmetrically in the top of left drilling rod and right connecting rod, and one end of hydraulic jack is connected with clamper housing, and the other end is connected with left drilling rod or right connecting rod; By the left connecting rod of the telescopic drive of hydraulic jack, right connecting rod two gears meshing, drive holding dog slips to move up and down along the central axis direction of clamper housing, realize the clamping of drilling rod or unclamp.
Preferably, the end of described left connecting rod and right connecting rod all has through hole, and is connected with clamper housing respectively by axle II.
Preferably, also comprise symmetry and be arranged on two cylinder supports in clamper housing, hydraulic jack is arranged on clamper housing by cylinder support.
Preferably, the cylinder barrel end of described hydraulic jack is arranged on cylinder support, and tailpiece of the piston rod is connected with the middle part of left drilling rod or right connecting rod by axle I.
Preferably, the both sides of described hydraulic jack cylinder barrel end are connected with the two ends of cylinder support, and the both sides of hydraulic jack cylinder barrel end are connected to transit joint, plug.
Preferably, described clamper slips is provided with handle, and clamper slips can clamp the drill rod boring tool of Φ 55mm, Φ 71mm, Φ 89mm, Φ 114mm tetra-kinds of different-diameters.
Compared with prior art, the present invention adopts internal placement to have the clamper housing of hydraulic jack, left and right connecting rod and clamper slips, flexible by hydraulic jack, the easy to do clamping achieving drilling rod with unclamp.When hydraulic cylinder piston rod stretches out, left for drive connecting rod, right connecting rod are moved downward, thus impel two clamper slips to close up, by drill-rod clamping; When hydraulic jack counteragent, left for drive connecting rod, right connecting rod are moved upward, thus impel two clamper slips to open, the drilling rod of clamping is unclamped.Drive hydraulic jack work using hydraulic oil as power source, engage between the left and right connecting rod of telescopic drive of hydraulic jack, drive two clamper slips motions, realize pinching action, clamping force is large, and aperture centering is good.Connected mode between all parts is simple, is convenient to change, and its structure is simple, easy for installation, can adapt to the clamping of plurality of specifications drilling rod.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the top view of Fig. 1.
In figure: 1, clamper housing, 2, hydraulic jack, 3, left connecting rod, 4, clamper slips, 5, right connecting rod, 6, plug, 7, cylinder support, 8, axle I, 9, axle II, 10, transit joint.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, a kind of hydraulic drilling rod clamper, comprise clamper housing 1 and the hydraulic jack 2, left connecting rod 3, clamper slips 4, the right connecting rod 5 that are arranged in clamper housing 1 inside, left connecting rod 3 and right connecting rod 5 are arranged symmetrically in clamper housing 1, one end of left connecting rod 3 and one end of right connecting rod 5 adopt the mode of gears meshing to be connected, and the other end of left connecting rod 3 is connected with clamper housing 1 with the other end of right connecting rod 5; Two clamper slips 4 are arranged symmetrically in clamper housing 1, can clamp the drill rod boring tool of plurality of specifications, and are arranged on left connecting rod 3 and right connecting rod 5 respectively; Two hydraulic jacks 2 are arranged symmetrically in the top of left drilling rod 3 and right connecting rod 5, and one end of hydraulic jack 2 is connected with clamper housing 1, and the other end is connected with left drilling rod 3 or right connecting rod 5; By the left connecting rod 3 of the telescopic drive of hydraulic jack 2, right connecting rod 5 liang of gears meshing, drive holding dog slips 4 to move up and down along the central axis direction of clamper housing 1, realize the clamping of drilling rod or unclamp.Wherein, left connecting rod 3 and right connecting rod 5, two clamper slips 4, two hydraulic jacks 2 are all arranged symmetrically in clamper housing 1 along orifice center line.
Preferably, the end of described left connecting rod 3 and right connecting rod 5 all has through hole, and is connected with clamper housing 1 respectively by axle II9.Connected by the mode of this flexible connection of axle, when ensure that hydraulic jack 2 stretches, the activity of left connecting rod 3 and right connecting rod 5, frictional force is little, operation of being more convenient for.
Preferably, also can comprise symmetry and be arranged on two cylinder supports 7 in clamper housing 1, hydraulic jack 2 is arranged on clamper housing 1 by cylinder support 7.With by other gripper shoes or arrange compared with method that specific clamper housing 1 internal construction makes hydraulic jack 2 can connect with clamper housing 1, adopt cylinder support 7 to make it connect simpler, whole device is also more stable, be more convenient for dismounting or adjustment.The cylinder support 7 of change different size can change left connecting rod 3, right connecting rod 5 liang of gears meshing situations, and change clamper slips 4 to move up and down amplitude along the central axis direction of clamper housing 1, thus achieves the clamping of more specification drilling rods.
Preferably, the cylinder barrel end of described hydraulic jack 2 is arranged on cylinder support 7, and tailpiece of the piston rod is connected with the middle part of left drilling rod 3 or right connecting rod 5 by axle I8.Wherein, the both sides of described hydraulic jack 2 cylinder barrel end are connected with the two ends of cylinder support 7, and the both sides of hydraulic jack 2 cylinder barrel end are connected to transit joint 10, plug 6.
Preferably, can arrange handle on described clamper slips 4, by manually realizing the adjustment or fixing of slip, the clamper slips 4 of employing can clamp the drill rod boring tool of Φ 55mm, Φ 71mm, Φ 89mm, Φ 114mm tetra-kinds of different-diameters.
During work, using hydraulic oil as power source, when hydraulic jack 2 piston rod stretches out, left for drive connecting rod 3, right connecting rod 5 are moved downward, thus impel two clamper slips 4 to close up, by drill-rod clamping; When hydraulic jack 2 counteragent, left for drive connecting rod 3, right connecting rod 5 are moved upward, thus impel two clamper slips 4 to open, the drilling rod of clamping is unclamped.
From said structure, the present invention drives hydraulic jack work using hydraulic oil as power source, engages between the left and right connecting rod of telescopic drive of hydraulic jack, and drive two clamper slips motions, realize pinching action, clamping force is large, and aperture centering is good.Connected mode between all parts is simple, is convenient to change, and its structure is simple, easy for installation, can adapt to the clamping of plurality of specifications drilling rod.
Claims (6)
1. a hydraulic drilling rod clamper, it is characterized in that, comprise clamper housing (1) and be arranged in clamper housing (1) inner hydraulic jack (2), left connecting rod (3), clamper slips (4), right connecting rod (5), described left connecting rod (3) and right connecting rod (5) are arranged symmetrically in clamper housing (1), one end of left connecting rod (3) and one end of right connecting rod (5) adopt the mode of gears meshing to be connected, and the other end of left connecting rod (3) is connected with clamper housing (1) with the other end of right connecting rod (5); Two clamper slips (4) are arranged symmetrically in clamper housing (1), can clamp the drill rod boring tool of plurality of specifications, and are arranged on left connecting rod (3) and right connecting rod (5) respectively; Two hydraulic jacks (2) are arranged symmetrically in the top of left drilling rod (3) and right connecting rod (5), one end of hydraulic jack (2) is connected with clamper housing (1), and the other end is connected with left drilling rod (3) or right connecting rod (5); By the left connecting rod of telescopic drive (3), right connecting rod (5) two gears meshing of hydraulic jack (2), drive holding dog slips (4) to move up and down along the central axis direction of clamper housing (1), realize the clamping of drilling rod or unclamp.
2. a kind of hydraulic drilling rod clamper according to claim 1, it is characterized in that, the end of described left connecting rod (3) and right connecting rod (5) all has through hole, and is connected with clamper housing (1) respectively by axle II (9).
3. a kind of hydraulic drilling rod clamper according to claim 1, it is characterized in that, also comprise symmetry and be arranged on two cylinder supports (7) in clamper housing (1), hydraulic jack (2) is arranged on clamper housing (1) by cylinder support (7).
4. a kind of hydraulic drilling rod clamper according to claim 3, it is characterized in that, the cylinder barrel end of described hydraulic jack (2) is arranged on cylinder support (7), and tailpiece of the piston rod is connected with the middle part of left drilling rod (3) or right connecting rod (5) by axle I (8).
5. a kind of hydraulic drilling rod clamper according to claim 4, it is characterized in that, the both sides of described hydraulic jack (2) cylinder barrel end are connected with the two ends of cylinder support (7), and the both sides of hydraulic jack (2) cylinder barrel end are connected to transit joint (10), plug (6).
6. a kind of hydraulic drilling rod clamper according to claim 1, is characterized in that, described clamper slips (4) is provided with handle, can clamp the drill rod boring tool of Φ 55mm, Φ 71mm, Φ 89mm, Φ 114mm tetra-kinds of different-diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549981.XA CN105178888B (en) | 2015-08-31 | 2015-08-31 | A kind of hydraulic drilling rod clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549981.XA CN105178888B (en) | 2015-08-31 | 2015-08-31 | A kind of hydraulic drilling rod clamper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178888A true CN105178888A (en) | 2015-12-23 |
| CN105178888B CN105178888B (en) | 2017-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510549981.XA Active CN105178888B (en) | 2015-08-31 | 2015-08-31 | A kind of hydraulic drilling rod clamper |
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| CN (1) | CN105178888B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538216A (en) * | 2016-02-29 | 2016-05-04 | 徐州中泰煤矿安全设备制造有限公司 | Cage guide rope tension device |
| CN106150404A (en) * | 2016-08-27 | 2016-11-23 | 无锡中地钻探装备有限公司 | A kind of aperture clamper of portable drill |
| CN107420051A (en) * | 2017-05-08 | 2017-12-01 | 中煤科工集团重庆研究院有限公司 | Automatic floating centering hydraulic gripper |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997017171A1 (en) * | 1995-11-07 | 1997-05-15 | Eckel Manufacturing Company, Inc. | Hydraulic backup tong |
| CN2895708Y (en) * | 2005-07-16 | 2007-05-02 | 孙培先 | Hydraulic drill-tong back-up tong double-cylinder clamping mechanism |
| CN201443318U (en) * | 2008-10-18 | 2010-04-28 | 西南石油大学 | Power clamp for continuous cycling drilling operation |
| CN101812978A (en) * | 2010-04-09 | 2010-08-25 | 江苏谷登工程机械装备有限公司 | Inclined wedge type clamp |
| CN103174388A (en) * | 2013-04-11 | 2013-06-26 | 连云港黄海机械股份有限公司 | Nose end hydraulic control clamping device of full-hydraulic drilling machine |
| CN103742087A (en) * | 2014-01-22 | 2014-04-23 | 江苏省无锡探矿机械总厂有限公司 | Integrated type automatic thread screwing-unscrewing device |
| CN104475968A (en) * | 2014-11-21 | 2015-04-01 | 兰州理工大学 | Upsetting self-locking type steel claw hydraulic clamp for friction welding |
| CN205078201U (en) * | 2015-08-31 | 2016-03-09 | 徐州徐工基础工程机械有限公司 | Hydraulic pressure drilling rod holder |
-
2015
- 2015-08-31 CN CN201510549981.XA patent/CN105178888B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997017171A1 (en) * | 1995-11-07 | 1997-05-15 | Eckel Manufacturing Company, Inc. | Hydraulic backup tong |
| CN2895708Y (en) * | 2005-07-16 | 2007-05-02 | 孙培先 | Hydraulic drill-tong back-up tong double-cylinder clamping mechanism |
| CN201443318U (en) * | 2008-10-18 | 2010-04-28 | 西南石油大学 | Power clamp for continuous cycling drilling operation |
| CN101812978A (en) * | 2010-04-09 | 2010-08-25 | 江苏谷登工程机械装备有限公司 | Inclined wedge type clamp |
| CN103174388A (en) * | 2013-04-11 | 2013-06-26 | 连云港黄海机械股份有限公司 | Nose end hydraulic control clamping device of full-hydraulic drilling machine |
| CN103742087A (en) * | 2014-01-22 | 2014-04-23 | 江苏省无锡探矿机械总厂有限公司 | Integrated type automatic thread screwing-unscrewing device |
| CN104475968A (en) * | 2014-11-21 | 2015-04-01 | 兰州理工大学 | Upsetting self-locking type steel claw hydraulic clamp for friction welding |
| CN205078201U (en) * | 2015-08-31 | 2016-03-09 | 徐州徐工基础工程机械有限公司 | Hydraulic pressure drilling rod holder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538216A (en) * | 2016-02-29 | 2016-05-04 | 徐州中泰煤矿安全设备制造有限公司 | Cage guide rope tension device |
| CN105538216B (en) * | 2016-02-29 | 2017-08-08 | 徐州中泰煤矿安全设备制造有限公司 | A kind of cage guide rope take-up device |
| CN106150404A (en) * | 2016-08-27 | 2016-11-23 | 无锡中地钻探装备有限公司 | A kind of aperture clamper of portable drill |
| CN107420051A (en) * | 2017-05-08 | 2017-12-01 | 中煤科工集团重庆研究院有限公司 | Automatic floating centering hydraulic gripper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178888B (en) | 2017-10-27 |
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