CN202451082U - Special tool for replacement of hydraulic clamp jaw - Google Patents
Special tool for replacement of hydraulic clamp jaw Download PDFInfo
- Publication number
- CN202451082U CN202451082U CN2011204526037U CN201120452603U CN202451082U CN 202451082 U CN202451082 U CN 202451082U CN 2011204526037 U CN2011204526037 U CN 2011204526037U CN 201120452603 U CN201120452603 U CN 201120452603U CN 202451082 U CN202451082 U CN 202451082U
- Authority
- CN
- China
- Prior art keywords
- pin
- pincers tooth
- support bar
- clamp
- slide block
- 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
Links
Images
Abstract
The utility model relates to a special tool for replacement of a hydraulic clamp jaw, which is applied to replacement of a jaw of a hydraulic clamp for oil production and well repair. The special tool consists of a clamp jaw taking device and a clamp jaw mounting device. The clamp jaw taking device and the clamp jaw mounting device are respectively and fixedly arranged at the two ends of a cylindrical handle. A sliding block and a spring are arranged in a central hole of a support sleeve, a clamping pin penetrates through an axial hole in the wall of the support sleeve, and a support plate is fixedly arranged at the other end of the support sleeve. A fixing pin vertically penetrates through the support rod, the other end of the support sleeve is jacketed with a sliding platen and a compression spring, and the sliding platen is arranged opposite to the fixing pin and is tightly locked with a fixing nut through a limit gasket. The special tool has the effects that the jaw of the hydraulic clamp can be replaced with no need for the hand to extend into the jaw, the operation is free from safety risks and is simple and flexible, and the clamp jaw can be replaced rapidly.
Description
Technical field
The utility model relates to petroleum recovering and workover rig, and particularly hydraulic tongs is that a kind of pincers tooth of hydraulic tongs is changed special tool.
Background technology
At present, in petroleum recovering and the well workover process, often adopt hydraulic tongs to screw or unclamp the oil pipe connecting thread.Hydraulic tongs is the most frequently used instrument of oil well operation, and in use getting and changing the pincers tooth is very frequent operational motion.
Emptying pipe thread in workover operation construction will be used 300 type oil tube hydraulic tongs.Flatly 3000 meters dark wells whenever remove three times oil pipes and generally will change and once clamp tooth, change the pincers tooth at every turn and will hand be put in jaw and get the pincers tooth twice, pack new pincers tooth in the jaw of 300 type oil tube hydraulic tongs into.
Hand is put in the jaw operation, have big security risk, be easy to cause the accident of crushing, all take place every year to crush accident because of maloperation causes hand.
The utility model content
The purpose of the utility model is: a kind of special tool of changing hydraulic tongs pincers tooth is provided, in oil recovery and well workover process, when changing hydraulic tongs pincers tooth, puts in jaw without hand, can change the pincers tooth, reach the no security risk of operation, improve the speed that clamps tooth of changing.
The technical scheme that the utility model adopts is: change the special tool of hydraulic tongs pincers tooth, by getting pincers tooth device and pincers tooth device being installed being formed.It is characterized in that: get pincers tooth device and clamp the two ends that the tooth device is separately fixed at columniform handle with installing.
Getting pincers tooth device is made up of hold-down nut, gripper shoe, support set, slide block, chucking pin and spring.Support set is fixed on an end of handle through internal thread, and a cylinder bodily form slide block is arranged in the centre bore of support set, between slide block and handle end face, spring is arranged, and spring promotes slide block.Vertical fixing has cylindrical chucking pin on slide block, and the chucking pin passes the track shape axial hole that supports on the jacket wall; The other end at support set has ring-shaped step, and screw thread is arranged on the step, is with gripper shoe, gripper shoe is fixed on the end of support set through hold-down nut; There is rectangular recess one side of described gripper shoe.The center line of the center of rectangular recess and chucking pin is in same plane.
The distance of chucking pin and gripper shoe is 42-60mm.
Pincers tooth device is installed to be made up of hold-doun nut, spacing shim, compression spring, sliding clamp, support bar, fixator pins and locking pin.Flat groove is arranged on the fixator pins, and the locking pin has flat side, and fixator pins is vertically passed the radial direction through hole of support bar and is fixed in the radial direction through hole of support bar through the locking pin, and the two ends of fixator pins are in the outside of support bar.The flat side of locking pin blocks the flat groove of fixator pins, and the locking pin is passed through screw-threaded coupling by handle and support bar; The other end at support bar has one-level step four directions and two stage steps screw thread, is with sliding clamp and compression spring in cubic position, and thread bush has spacing shim, spacing shim is fixed on the other end of support bar through hold-doun nut.Sliding clamp is the symmetric double plate, and plate face camber fits tightly with pliers tooth base, and sloping groove is arranged above the plate face, and the pin on the pliers tooth base slides in sloping groove, is depressed simultaneously, makes instrument and pincers tooth cross pin smoothly.Plate one thick one is thin, is fit to the installation of main pincers tooth and back-up tong tooth, and sliding clamp and fixator pins are relative.
The distance of sliding clamp and fixator pins is 26-62mm.
The beneficial effect of the utility model: the utility model is changed the special tool of hydraulic tongs pincers tooth, realizes putting in without hand the jaw of hydraulic tongs, just can change the pincers tooth, operates no security risk.In addition, simple to operate flexibly, it is fast to change pincers tooth speed.
Description of drawings
Fig. 1 is the special tool structural representation that the utility model is changed hydraulic tongs pincers tooth.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the B-B sectional drawing of Fig. 1.
Among the figure, the 1-hold-doun nut, the 2-spacing shim, 3-compresses spring, the 4-sliding clamp, the 5-support bar, the 6-fixator pins, 7-locking pin, the 8-handle, the 9-support set, the 10-spring, 11-tightens pin, 12-slide block, 13-gripper shoe, 14-hold-down nut.
The specific embodiment
Embodiment 1: changing 300-B type hydraulic tongs pincers tooth special tool with one is example, and the utility model is done further explain.
Consult Fig. 1.The utility model is changed the special tool of hydraulic tongs pincers tooth, forms with installation pincers tooth device by getting pincers tooth device.Get pincers tooth device and clamp the two ends that the tooth device is separately fixed at columniform handle 8, instrument length overall 520mm with installing.
Getting pincers tooth device is made up of hold-down nut 14, gripper shoe 13, support set 9, slide block 12, chucking pin 11, spring 10 and handle 8.Support set 9 is fixed on an end of handle 8 through internal thread, and a cylinder bodily form slide block 12 is arranged in the centre bore of support set 9, between slide block 12 and support set 9 inner faces, spring 10 is arranged, and spring 10 promotes slide blocks 12.Vertical fixing has cylindrical chucking pin 11 on slide block 12, and chucking pin 11 passes the rectangle axial hole on support set 9 walls; The diameter of chucking pin 11 is 9mm, height 12mm.The other end at support set 9 has ring-shaped step, and screw thread is arranged on the step, is with gripper shoe 13, gripper shoe 13 is fixed on the end of support set 9 through hold-down nut 14; There is rectangular recess (gap) one side of described gripper shoe 13.Consult Fig. 3.The wide 20mm of gripper shoe 13 gap, dark 10mm.Adapt to 300-B type hydraulic tongs pincers tooth pin-and-hole.Consult Fig. 1.The center line of the center of rectangular recess and chucking pin 11 is in same plane.
The operating process of pincers tooth is got in summary.Consult Fig. 1.Chucking pin 11 is aimed at pin-and-hole on the pliers tooth base.Following press tool, chucking pin 11 is hampered and retreats, and gripper shoe 13 moves ahead.Press tool laterally, gripper shoe 13 are close to below the pincers tooth, and with chucking pin 11 chucking clamp tooth tightly, and pliers tooth base top pin is compressed into pin-and-hole.On extract the pincers tooth.Slide block 12 can slide at support set 9, and spring 10 is to gripper shoe 13 direction sliding pieces 12, and chucking pin 11 and gripper shoe 13 be the chucking clamp tooth tightly, has both guaranteed can not fall down from instrument after clamping tooth is removed, and has enlarged instrument again and has adapted to the scope that clamps the tooth size.
Pincers tooth device is installed to be made up of hold-doun nut 1, spacing shim 2, compression spring 3, sliding clamp 4, support bar 5, fixator pins 6 and locking pin 7.Flat groove is arranged on the fixator pins 6, and locking pin 7 has flat side, and fixator pins 6 is vertically passed the radial direction through hole of support bar 5 and is fixed in the radial direction through hole of support bar 5 through the locking pin, and the two ends of fixator pins 6 are in the outside of support bar 5.The other end at support bar 5 has one-level step four directions and two stage steps screw thread, is with sliding clamp 4 and compression spring 3 in cubic position, and thread bush has spacing shim 2, spacing shim 2 is fixed on the other end of support bar 5 through hold-doun nut 1.Sliding clamp 4 is the symmetric double plate, and plate face camber fits tightly with pliers tooth base, and sloping groove is arranged above the plate face, and the pin on the pliers tooth base slides in sloping groove, is depressed simultaneously, makes instrument and pincers tooth cross pin smoothly.Plate one thick one is thin, is fit to the installation of main pincers tooth and back-up tong tooth, and sliding clamp 4 is relative with fixator pins 6.
The operating process of pincers tooth is installed in summary.Consult Fig. 1.Depress sliding clamp 4, will clamp tooth and snap into sliding clamp 4 and 6 of fixator pins (select the sliding clamp two sides according to main pincers tooth and back-up tong tooth, main pincers tooth is thin, selects thin one side, and the back-up tong tooth is thick, selects thick one side), set upright.Sloping groove above the sliding clamp 4 is aimed at the pliers tooth base pin, be close to press tool under the pliers tooth base wall, pin is compressed into the pliers tooth base pin-and-hole by the ramp groove, and the pincers tooth gets into pliers tooth base.Continue press tool down, the pincers tooth is crossed pincers tooth pin.Instrument is thrown off the pincers tooth, descends the pressing tongs tooth gently with sliding clamp 4 again, above pin upspring, clamp tooth and be in place.
Claims (1)
1. a special tool of changing hydraulic tongs pincers tooth is formed with installation pincers tooth device by getting pincers tooth device; It is characterized in that: get pincers tooth device and clamp the two ends that the tooth device is separately fixed at columniform handle (8) with installing;
Getting pincers tooth device is made up of hold-down nut (14), gripper shoe (13), slide block (12), chucking pin (11), support set (9) and spring (10); Support set (9) is fixed on an end of handle (8) through internal thread, and a cylinder bodily form slide block (12) is arranged in the centre bore of support set (9), between slide block (12) and handle (8) end face, spring (10) is arranged, and spring (10) promotes slide block (12); Going up vertical fixing at slide block (12) has cylindrical chucking pin (11), and chucking pin (11) passes the track shape axial hole on support set (9) wall; The other end at support set (9) has ring-shaped step, and screw thread is arranged on the step, is with gripper shoe (13), gripper shoe (13) is fixed on the end of support set through hold-down nut (13); There is rectangular recess one side of described gripper shoe (13); The center line of the center of rectangular recess and chucking pin (11) is in same plane;
Pincers tooth device is installed to be made up of hold-doun nut (1), spacing shim (2), compression spring (3), sliding clamp (4), support bar (5), fixator pins (6) and locking pin (7); Fixator pins has flat groove on (6); Locking pin (7) has flat side; Fixator pins (6) is vertically passed the radial direction through hole of support bar (5) and is fixed in the radial direction through hole of support bar through the locking pin; The two ends of fixator pins (6) are in the outside of support bar (5), and the flat side of locking pin (7) blocks the flat groove of fixator pins (6), and locking pin (7) is passed through screw-threaded coupling by handle (8) and support bar (5); The other end at support bar (5) has one-level step four directions and two stage steps screw thread; Be with sliding clamp (4) and compression spring (3) in cubic position; Thread bush has spacing shim (2), spacing shim (2) is fixed on the other end of support bar (5) through hold-doun nut (1); Sliding clamp (4) is the symmetric double plate, and plate face camber fits tightly with pliers tooth base, and sloping groove is arranged above the plate face, and the pin on the pliers tooth base slides in sloping groove, is depressed simultaneously, makes instrument and pincers tooth cross pin smoothly; Sliding clamp (4) is relative with fixator pins (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204526037U CN202451082U (en) | 2011-11-15 | 2011-11-15 | Special tool for replacement of hydraulic clamp jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204526037U CN202451082U (en) | 2011-11-15 | 2011-11-15 | Special tool for replacement of hydraulic clamp jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451082U true CN202451082U (en) | 2012-09-26 |
Family
ID=46866952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204526037U Expired - Fee Related CN202451082U (en) | 2011-11-15 | 2011-11-15 | Special tool for replacement of hydraulic clamp jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986507A (en) * | 2019-03-29 | 2019-07-09 | 中国石油天然气股份有限公司 | Hydraulic tongs block teeth replacer |
-
2011
- 2011-11-15 CN CN2011204526037U patent/CN202451082U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986507A (en) * | 2019-03-29 | 2019-07-09 | 中国石油天然气股份有限公司 | Hydraulic tongs block teeth replacer |
| CN109986507B (en) * | 2019-03-29 | 2024-03-26 | 中国石油天然气股份有限公司 | Hydraulic clamp tooth block dismounting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106312645A (en) | Mechanical processing platform for tubular billet steel | |
| CN202451082U (en) | Special tool for replacement of hydraulic clamp jaw | |
| CN203317082U (en) | Circular tube drilling fixture | |
| CN203726100U (en) | Pin withdrawing mechanism for machining positioning holes | |
| CN104563922B (en) | A kind of drill pipe tong that need not change jaw | |
| CN203449101U (en) | Rose reamer tool | |
| CN210968603U (en) | Pipe jacking device | |
| CN212442803U (en) | Butterfly valve production punching device | |
| CN203394389U (en) | Automatic centering screw-off device | |
| CN204799706U (en) | Alloy bar aligning processing equipment | |
| CN108005591A (en) | Novel clamp holder | |
| CN203209776U (en) | Pressing device for scrap steels shearing machine | |
| CN203622019U (en) | Perforating fixture of vertical machining center | |
| CN208074283U (en) | A kind of steel band tension-type pipe clamp | |
| CN208383042U (en) | A kind of tight device of caliper cylinder holes internal expanding | |
| CN202123491U (en) | Pin remover | |
| CN200998747Y (en) | Brass pipe T-shaped orifice drawing device | |
| CN204365928U (en) | Stage clip makes servicing unit | |
| CN217652691U (en) | Three-oil-cylinder clamping pipe column device for iron roughneck | |
| CN203685075U (en) | Ultra short distance clamping mechanism for makeup and breakout unit | |
| CN103382821B (en) | Self-centering unscrewing device | |
| CN202934350U (en) | Hydraulic lock mechanism for sliding table in double-groove edge milling for steel plates | |
| CN203566363U (en) | Clamp for boring column body | |
| CN219211173U (en) | Bending machine fixing mechanism | |
| CN203004156U (en) | Stripper machine |
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: 20120926 Termination date: 20131115 |