CN106837215B - A kind of thread screw on and-off machine very-short-reach clamping device - Google Patents
A kind of thread screw on and-off machine very-short-reach clamping device Download PDFInfo
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- CN106837215B CN106837215B CN201710204615.XA CN201710204615A CN106837215B CN 106837215 B CN106837215 B CN 106837215B CN 201710204615 A CN201710204615 A CN 201710204615A CN 106837215 B CN106837215 B CN 106837215B
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- short
- reach
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- groove
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
Abstract
The present invention provides a kind of thread screw on and-off machine very-short-reach clamping device, comprising: several conventional clamping jaws are set on the inside of main pincers and back-up tong, one end is connect with clamping cylinder piston, and one side wall sets mounting groove, and another side wall sets the first fixing groove；Several conventional clamping block teeth, connect with the conventional jaw other end that clamps；Several very-short-reach clamp jaw, and the relatively conventional other end for clamping jaw sets link slot, which sets the second fixing groove, and connection groove bottom sets connection through-hole, and connection through-hole and mounting groove form interface channel, and a connection piece is inserted in interface channel；Several very-short-reach clamp block teeth, including interconnecting piece and are convexly equipped in the clamping section of interconnecting piece one end；Several sealing plates are covered on the first, second fixing groove open end.The clamping device, can be with quick-replaceable component when routinely clamping and very-short-reach clamping is used alternatingly, and reliably, conveniently, simply, safely, smart structural design, manufacturing cost is low, good in economic efficiency.
Description
Technical field
The invention belongs to petroleum pipe fittings to dismount technical field, and in particular, to a kind of thread screw on and-off machine very-short-reach clamping dress
It sets.
Background technique
Thread screw on and-off machine or assembling and disassembling stand are a kind of threaded connector loading mechanizations, are primarily adapted for use in oil field well pump, underground
Tool, oil pick-up tube oil pipe, other threaded connectors such as pipe sleeve turn to match and disassembly.
Existing thread screw on and-off machine structure is mainly made of main pincers and back-up tong, and back-up tong is clamped tube body and do not rotated, main clamp tube body rotation,
It is to be threadedly coupled between tube body and tube body, due to being limited by main pincers, back-up tong side plate thickness etc., master, back-up tong clamping spacing are big,
Generally all reach 150 millimeters or more, since drill and petroleum extraction tools, such as packer, sand preventing tool structure relative compact, components are not advised
Then, need main, back-up tong to clamp spacing when dismounting smaller, individual parts can clamped position and length limited, it is existing currently on the market
The conventional thread screw on and-off machine (assembling and disassembling stand) having is not met by requirement.
For thread screw on and-off machine very-short-reach clamp system, the current country is primarily present following patent document:
China Patent Publication No.: CN103758472A discloses a kind of thread screw on and-off machine very-short-reach clamp system, includes
Bracket and hydraulic cylinder, bracket right side are fixedly installed engaging lug, and bracket centre is fixedly installed hydraulic cylinder, and hydraulic cylinder bottom is logical
It crosses screw to be mutually fixedly connected with connector one end, the connector other end is hinged by one end of pin shaft and connecting rod one；Connecting rod one
The other end be hinged by pin shaft and Jaw plate assembly, several adjustment holes are provided in the middle part of connecting rod one, adjustment hole passes through pin shaft
It is hinged with two one end of connecting rod, two other end of connecting rod is hinged by pin shaft and engaging lug.In using the present invention, it solves and tears open
Master, back-up tong clamping spacing are small when dress, which can be contracted to 5 millimeters；Solving individual parts can clamped position and length
Controllability the problem of, saved cost of labor, certain tool exterior surfaces protected not to be damaged.The present invention has structure letter
The advantages that list, setting is reasonable, low manufacture cost.
That patent describes being stretched using oil cylinder for power, power is transmitted on jaw assembly by link mechanism, this
Kind mechanism can be used in the case where torque is small, but have the following disadvantages:
1. when torque is big, connecting rod one, connecting rod two, pin shaft, the overall low-angle deformation of jaw assembly meeting and overturning lead to jaw
The block teeth of plate assembly are unable to the occlusion of face tube surfaces, or even only the angle of the block teeth of a jaw assembly is engaged tube body, in this way
If, a possibility that skidding, greatly increases；
2. oil field user is when with thread screw on and-off machine, it is conventional clamp and very-short-reach clamp it is sometimes alternate with each other use, this is specially
Connector, connecting rod one, connecting rod two, Jaw plate assembly, engaging lug, pin shaft, selection adjustment hole in the very-short-reach clamp system of benefit,
These will be dismounted, heavy workload, and tired lock, influence working efficiency；
3. when in order to adapt to Large Diameter Pipeline, jaw assembly must be far from axle center, due to being link mechanism, and at this moment connector is to twisting
Deduction axle center is mobile, and the adjustment hole on connecting rod is adjustable caliber, but has to pass through to gesticulate to test to produce several times and work,
Efficiency is too low, very inconvenient.
Summary of the invention
It is above-mentioned to solve the problems, such as, it is clamped and is filled with very-short-reach the purpose of the present invention is to provide a kind of thread screw on and-off machine
Set, the clamping device routinely clamp and very-short-reach clamping be used alternatingly when, can with quick-replaceable component, reliably, conveniently,
Simply, safety, smart structural design, manufacturing cost is low, good in economic efficiency.
In order to achieve the above objectives, the technical scheme is that
A kind of thread screw on and-off machine very-short-reach clamping device, the very-short-reach clamping device are respectively arranged at the main pincers of thread screw on and-off machine
In back-up tong, main pincers, back-up tong opposite face middle panel open up circular hole respectively, and circular hole circumferentially radially opens up several grooves respectively,
The very-short-reach clamping device include: it is several it is conventional clamp jaw, be respectively arranged on the inside of main pincers and back-up tong, and respectively with institute
It is corresponding to state groove, one end is connect with clamping cylinder piston, a mounting groove is offered along the vertical sidewall direction in the middle part of one side wall,
Another lower sidewall opposite with the side wall offers one first fixing groove；It is several it is conventional clamp block teeth, respectively with the routine
The other end that jaw is clamped with respect to clamping cylinder piston connects；Several very-short-reach clamp jaw, and sliding is embedded at the groove
It is interior, it is respectively arranged at the conventional side for clamping jaw and opening up mounting groove, the relatively conventional the other end face for clamping jaw
Middle part offers a link slot along the direction of the vertical end face, which offers one the along the direction of the vertical end face
Two fixing grooves, bottom surface open up direction equipped with an installation sliding slot along link slot is parallel to, and two sidewalls are respectively and in the groove two sides
Wall contact, the connection groove bottom open up direction equipped with a connection through-hole along link slot, and the connection through-hole and the mounting groove connect
Logical to form a connection channel, a connection piece is inserted in the interface channel, forms very-short-reach clamping jaw and routine clamps jaw
The connection of plate；Several very-short-reach clamp block teeth, respectively include interconnecting piece and are convexly equipped in the clamping section of described interconnecting piece one end, institute
Interconnecting piece is stated to be embedded in installation sliding slot；Several sealing plates are covered on first, second fixing groove open end respectively.
Further, the quantity of the main pincers panel and back-up tong panel surface groove is respectively 4, is in cross arrangement,
Accordingly, the routine on the main pincers and back-up tong clamps jaw, routine clamps block teeth, very-short-reach clamps jaw, ultrashort
The quantity that distance clamps block teeth is respectively 4.
Further, the panel groove clamps the position that jaw two sidewalls contact with very-short-reach and is equipped with wearing layer；Institute
Stating wearing layer is slideway or wear-resistant pad.
Further, the conventional clamping jaw clamps the face that jaw contacts with very-short-reach and is respectively separated several cards of setting
Dovetail groove is connect, conventional clamping jaw and very-short-reach clamp jaw and be mutually clamped, fasten by the clamping dovetail groove.
Further, several swallows being intervally arranged are arranged in one end that the conventional clamping jaw is connect with conventional clamping block teeth
Stern notch, conventional clamping block teeth are connect by dovetail groove with the conventional jaw that clamps.
Further, the conventional jaw that clamps opens up one end lower part of mounting groove equipped with symmetrical with first fixing groove
, third fixing groove for installing sealing plate, the sealing plate is set to first ~ third fixing groove by sealing plate screw cap.
Further, the conventional jaw that clamps is connect by a connection bolt with clamping cylinder piston.
Further, circumferentially shape is respectively set and sealing plate for second fixing groove and/or third fixing groove open end
The accommodation groove that shape matches, sealing plate are embedded in the accommodation groove.
Further, it is swallow-tail form that the very-short-reach, which clamps jaw installation sliding slot section,.
Further, the very-short-reach clamps the relatively conventional clamping jaw one end end face of block teeth interconnecting piece and conventional clamping
Block teeth end face abuts；The connector is bolt.
The beneficial effects of the present invention are:
The very-short-reach clamping device, consider very-short-reach clamp when, axis perpendicular line of the bite from oil cylinder
The shorter distance the better, can reduce the overturning and deformation of very-short-reach hold assembly in this way, preferably transmitting torque, improves folder
Tight effect；
By routinely clamping jaw side setting very-short-reach clamping jaw, link slot, connection through-hole and installation flute profile
At interface channel, formed very-short-reach clamp jaw and it is conventional clamp being detachably connected between jaw, pressed from both sides by very-short-reach
Tight jaw cooperation very-short-reach clamps block teeth and completes very-short-reach clamping, clamps in very-short-reach and conventional clamping is used alternatingly
When, very-short-reach quickly can be clamped into jaw and be disassembled together with very-short-reach clamping block teeth, from routinely clamping with jaw
The conventional block teeth that clamp carry out conventional clamping, realize flexibly replacement component, solve the very-short-reach clamping problems of existing thread screw on and-off machine,
It ensure that working efficiency and product quality and service life increase, to reduce enterprise's production cost investment, make enterprise in city
Advantage, low, easy to maintain, safe and reliable, the easy popularization of production cost are remained in the competition of field；
Very-short-reach clamps jaw and is mutually clamped, is fastened by dovetail groove with conventional clamping jaw contact surface, is cooperatively connected
The use of part guarantees that very-short-reach clamps jaw and the conventional firmness for clamping jaw and connecting, ensures that clamp operation is gone on smoothly；
Very-short-reach clamps jaw and panel groove inner wall contact surface and wearing layer is arranged, reduce very-short-reach clamp jaw with
Friction between panel groove prevents abrasion in very-short-reach clamping process, prolongs the service life, reduce maintenance at
This；
The design of third fixing groove installs sealing plate when so that very-short-reach clamping jaw removing in time, guarantees conventional clamp
Go on smoothly；
Second fixing groove and/or the design of the structure of third fixing groove open end accommodation groove, so that whether short distance
From still conventional clamping is clamped, sealing plate can be embedded at very-short-reach and clamp in jaw or conventional clamping jaw, further shortening
Clamping distance；
Described device clamping distance can be down to 5mm.
Detailed description of the invention
Fig. 1 is using a kind of thread screw on and-off machine structural representation of thread screw on and-off machine very-short-reach clamping device provided by the present invention
Figure；
Fig. 2 be in Fig. 1 E to structural schematic diagram；
Fig. 3 is a kind of partial structure diagram of thread screw on and-off machine very-short-reach clamping device provided by the present invention；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the top view of Fig. 3.
Specific embodiment
Below by specific embodiment, the present invention is described further, but embodiment is not intended to limit protection of the invention
Range.
Referring to Fig.1 ~ Fig. 5, a kind of thread screw on and-off machine very-short-reach clamping device of the present invention, the very-short-reach clamp
Device is respectively arranged in the main pincers 101 of thread screw on and-off machine 100 and back-up tong 102, and main pincers 101,102 opposite face of back-up tong are (i.e. shown in Fig. 1
The face A and the face B) middle part of panel 103 opens up circular hole 104 respectively, and circular hole 104 is circumferential radially to open up several grooves 105 respectively, described
Very-short-reach clamping device includes: several conventional clamping jaws 1, is respectively arranged at 102 inside of main pincers 101 and back-up tong, and respectively
Corresponding with the groove 105, one end is connect with clamping cylinder piston 106, is opened up in the middle part of one side wall along the vertical sidewall direction
There is a mounting groove 11, another lower sidewall opposite with the side wall offers one first fixing groove 12；Several conventional clamping block teeth
2, it is connect respectively with the conventional other end for clamping the opposite clamping cylinder piston 106 of jaw 1；Several very-short-reach clamp jaw
3, sliding is embedded in the groove 105, is respectively arranged at the conventional side for clamping jaw 1 and opening up mounting groove 11, phase
A link slot 31 is offered along the direction of the vertical end face in the middle part of the conventional the other end face for clamping jaw 1, under the end end face
Portion offers one second fixing groove 13 along the direction of the vertical end face, and bottom surface opens up direction equipped with a peace along link slot 31 is parallel to
It fills sliding slot (not shown), two sidewalls are contacted with the 105 two sides inner wall of groove respectively, and 31 bottom surface of link slot is along link slot 31
Direction is opened up equipped with a connection through-hole 32, which is connected to form a connection channel 33 with the mounting groove 11, and one connects
Fitting 4 is inserted in the interface channel 33, is formed very-short-reach and is clamped jaw 3 and the conventional connection for clamping jaw 1；It is several ultrashort
Distance clamps block teeth 5, respectively includes interconnecting piece 51 and is convexly equipped in the clamping section 52 of described 51 one end of interconnecting piece, the interconnecting piece 51
It is embedded in installation sliding slot；Several sealing plates 6 are covered on first, second fixing groove 12,13 open ends respectively.
Further, the quantity of 101 panels 103 of the main pincers and 102 panel of back-up tong, 103 surface groove 105 is respectively 4
It is a, it is in cross arrangement, accordingly, the conventional clamping jaw 1 on the main pincers 101 and back-up tong 102, routine clamp block teeth
2, very-short-reach clamps jaw 3, the quantity of very-short-reach clamping block teeth 5 is respectively 4.
Further, the position that 103 groove 105 of panel is contacted with very-short-reach clamping 3 two sidewalls of jaw is equipped with resistance to
Grind layer 107；The wearing layer 107 is slideway (referring to fig. 2) or wear-resistant pad (not shown).
Further, it is several that the face that the conventional clamping jaw 1 is contacted with very-short-reach clamping jaw 3 is respectively separated setting
It is clamped dovetail groove 7, conventional clamping jaw 1 and very-short-reach clamp jaw 3 and be mutually clamped, fasten by the clamping dovetail groove 7.
Further, the conventional jaw 1 that clamps clamps one end that block teeth 2 are connect several be intervally arranged is arranged with conventional
Dovetail groove (not shown), conventional clamping block teeth 2 are connect by dovetail groove with the conventional jaw 1 that clamps.
Further, one end lower part that the conventional clamping jaw 1 opens up mounting groove 11 is equipped with and first fixing groove
12 symmetrical, the third fixing grooves 14 for installing sealing plate 6, it is solid that the sealing plate 6 by sealing plate screw 61 is covered on first ~ third
Determine slot 12 ~ 14.
Further, the conventional jaw 1 that clamps is connect by a connection bolt 8 with clamping cylinder piston 106.
Further, in another embodiment, second fixing groove 13 and/or third fixing groove 14 are open
Circumferentially the accommodation groove (not shown) matched with 6 shape of sealing plate is respectively set in shape at end, and sealing plate 6 is embedded in the accommodation groove.
So set, whether very-short-reach clamps or conventional clamping, sealing plate 6 can be embedded at very-short-reach and clamp jaw
In plate or conventional clamping jaw, further shorten clamping distance.
Further, it is swallow-tail form that the very-short-reach, which clamps jaw 3 and installs sliding slot section,.
Further, the very-short-reach clamps the relatively conventional 1 one end end face of clamping jaw of 5 interconnecting piece of block teeth 51 and routine
2 end face of block teeth is clamped to abut.
Further, the connector 4 is bolt.
A kind of thread screw on and-off machine very-short-reach clamping device of the present invention considers when very-short-reach clamps, bite
It is more shorter better with a distance from axis perpendicular line from oil cylinder, the overturning and deformation of very-short-reach hold assembly can be reduced in this way,
Torque is preferably transmitted, clamping effect is improved, specific clamp operation mode is as follows:
By taking back-up tong 102 as an example, clamping device assembly and clamping mode are repeated no more with back-up tong 102 in main pincers 101.
When carrying out conventional clamp, the conventional clamping cylinder for clamping jaw 1 and being fixed on back-up tong 102 by connecting bolt 8
On piston 106, the conventional block teeth 2 that clamp clamp in jaw 1 mounted in conventional, and both ends pass through the first fixing groove 12 respectively, third is fixed
Slot 14 is sealed with sealing plate 6, sealing plate 6 is fixed on conventional clamping jaw 1 by sealing plate screw 61, clamping cylinder piston 106 drives
The dynamic conventional jaw 1 that clamps drives conventional clamping block teeth 2 to carry out conventional clamping to pipe fitting.
Back-up tong 102,101 this respect structures of main pincers are the same, all clamp tube body in this way, can normally be worked.
When carrying out very-short-reach clamping, the sealing plate 6 being installed in third fixing groove 14 is removed, passes through connector 4(spiral shell
Bolt) very-short-reach clamping jaw 3 is connected with the conventional jaw 1 that clamps, and very-short-reach clamps jaw 3 and clamps jaw 1 with conventional
Contact jaw is mutually twisted by being clamped dovetail groove 7, clamping, and it is fixed that the sealing plate 6 removed by sealing plate screw 61 is installed in second
In slot 13, thicker than the conventional block teeth 2 that clamp since very-short-reach clamps the protrusion design of 5 clamping section 52 of block teeth, clamping cylinder is living
The conventional clamping jaw 1 of 106 driving of plug drives very-short-reach to clamp jaw 3 and clamps block teeth 5 along 103 groove of panel together with very-short-reach
105 wearing layers 107 slide, progress very-short-reach clamping, and in sliding process, very-short-reach clamps 5 clamping section 52 of block teeth and first bites
Tube body, due to it is conventional clamp jaw 1 and very-short-reach clamp jaw 3 be mutually fastened by the clamping dovetail groove 7 of itself, and
It is by connector 4(bolt that very-short-reach, which clamps jaw 3) it is fixed on conventional clamping jaw 1, such structure is convenient for counteracting
Very-short-reach clamps 5 clamping section 52 of block teeth and bites the moment of flexure generated after tube body, keeps entire very-short-reach clamping component indeformable, mentions
High clamping reliability.
Back-up tong 102, main pincers 101 are all to have such structure, and back-up tong 102 clamps tube body, are formed and are turned round under main 101 rotation of pincers
Square.
The purpose designed in this way in very-short-reach clamping process, makes the very-short-reach of back-up tong 102 clamp tooth referring to Fig. 1
Block 5 is close to the face A, and clamping the very-short-reach of main pincers 101, block teeth 5 are close to the face B, in this way the pipe convenient for clamping very-short-reach
Body solves production problem.
In order to reduce the friction between very-short-reach clamping 3 two sidewalls of jaw and 103 groove of panel, 105 inner wall, increase
Wearing layer 107(slideway), it is wear-resistant material, guarantees that very-short-reach clamps jaw 3 and 103 groove 105 of panel is not worn.
After carrying out very-short-reach clamping, conventional clamping is carried out Ru following, the sealing plate screw 61 on the left side is unclamped, takes down envelope
6, it removes very-short-reach and clamps block teeth 5, unclamp connector 4, then remove very-short-reach and clamp jaw 3, then pass through sealing plate screw
61 sealing plates 6 are fixed in the conventional third fixing groove 14 for clamping jaw 3, can carry out conventional clamping.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to the technology of invention
Scheme is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in power of the invention
In sharp claimed range.
Claims (10)
1. a kind of thread screw on and-off machine very-short-reach clamping device, which is characterized in that the very-short-reach clamping device is respectively arranged at
In the main pincers of thread screw on and-off machine and back-up tong, main pincers, back-up tong opposite face middle panel open up circular hole respectively, and circular hole circumferentially radially opens up respectively
Several grooves, the very-short-reach clamping device include:
Several routines clamp jaws, are respectively arranged on the inside of main pincers and back-up tong, and corresponding with the groove respectively, one end and folder
The connection of locking oil cylinder piston, one side wall middle part offer a mounting groove along the vertical sidewall direction, the other side opposite with the side wall
Wall lower part offers one first fixing groove；
Several conventional clamping block teeth, the other end of clamping cylinder piston opposite with the routine clamping jaw connects respectively；
Several very-short-reach clamp jaw, and sliding is embedded in the groove, are respectively arranged at the conventional jaw that clamps and open up
The side of mounting groove, the relatively conventional the other end face middle part for clamping jaw offer a connection along the direction of the vertical end face
Slot, the end end face lower part offer one second fixing groove along the direction of the vertical end face, and bottom surface edge is parallel to the link slot side of opening up
To an installation sliding slot is equipped with, two sidewalls are contacted with groove two sides inner wall respectively, and the connection groove bottom is opened up along link slot
Direction is equipped with a connection through-hole, which is connected to form a connection channel with the mounting groove, and a connection piece is inserted in this
In interface channel, forms very-short-reach and clamp jaw and the conventional connection for clamping jaw；
Several very-short-reach clamp block teeth, respectively include interconnecting piece and are convexly equipped in the clamping section of described interconnecting piece one end, the company
Socket part is embedded in installation sliding slot；
Several sealing plates are covered on first, second fixing groove open end respectively.
2. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the main pincers panel
Quantity with back-up tong panel surface groove is respectively 4, is in cross arrangement, accordingly, on the main pincers and back-up tong
It is respectively 4 that conventional clamping jaw, conventional clamping block teeth, very-short-reach clamping jaw, very-short-reach, which clamp the quantity of block teeth,.
3. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the panel groove
The position that jaw two sidewalls contact, which is clamped, with very-short-reach is equipped with wearing layer；The wearing layer is slideway or wear-resistant pad.
4. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the conventional clamping
Jaw clamps the face that jaw contacts with very-short-reach and is respectively separated several clamping dovetail grooves of setting, conventional to clamp jaw and short distance
It is mutually clamped, fastened by the clamping dovetail groove from clamping jaw.
5. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the conventional clamping
Jaw clamps one end that block teeth connects and is arranged several dovetail grooves being intervally arranged with conventional, it is conventional clamp block teeth by dovetail groove and
The conventional jaw that clamps connects.
6. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the conventional clamping
One end lower part that jaw opens up mounting groove is equipped with and first fixing groove is symmetrical, the third fixing groove for installing sealing plate,
The sealing plate is set to first ~ third fixing groove by sealing plate screw cap.
7. a kind of thread screw on and-off machine very-short-reach clamping device described according to claim 1 ~ any one of 6, which is characterized in that institute
The conventional jaw that clamps is stated to connect by a connection bolt with clamping cylinder piston.
8. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 6, which is characterized in that described second is fixed
Circumferentially the accommodation groove matched with sealing plate shape is respectively set in shape for slot and/or third fixing groove open end, and sealing plate is embedded at
In the accommodation groove.
9. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the very-short-reach
Clamping jaw installation sliding slot section is swallow-tail form.
10. a kind of thread screw on and-off machine very-short-reach clamping device according to claim 1, which is characterized in that the short distance
It is abutted from the relatively conventional clamping jaw one end end face of block teeth interconnecting piece is clamped with the conventional block teeth end face that clamps；The connector is spiral shell
Bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204615.XA CN106837215B (en) | 2017-03-31 | 2017-03-31 | A kind of thread screw on and-off machine very-short-reach clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204615.XA CN106837215B (en) | 2017-03-31 | 2017-03-31 | A kind of thread screw on and-off machine very-short-reach clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837215A CN106837215A (en) | 2017-06-13 |
| CN106837215B true CN106837215B (en) | 2018-12-21 |
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| CN201710204615.XA Active CN106837215B (en) | 2017-03-31 | 2017-03-31 | A kind of thread screw on and-off machine very-short-reach clamping device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386994B (en) * | 2017-06-19 | 2023-05-26 | 江苏申利达机械制造有限公司 | Screwing machine capable of clamping eccentric pipe fitting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6116118A (en) * | 1998-07-15 | 2000-09-12 | Wesch, Jr.; William E. | Gripping apparatus for power tongs and backup tools |
| CN103758472B (en) * | 2014-01-15 | 2015-07-29 | 江苏申利达机械制造有限公司 | A kind of thread screw on and-off machine very-short-reach clamp system |
| 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 |
| CN105583599A (en) * | 2016-03-09 | 2016-05-18 | 南通永大管业股份有限公司 | Screw-on machine with jaw plate body convenient to dismount |
| CN206769849U (en) * | 2017-03-31 | 2017-12-19 | 江苏申利达机械制造有限公司 | A kind of thread screw on and-off machine very-short-reach clamping device |
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| CN106837215A (en) | 2017-06-13 |
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