CN209637709U - Hydraulic tongs - Google Patents
Hydraulic tongs Download PDFInfo
- Publication number
- CN209637709U CN209637709U CN201920328598.5U CN201920328598U CN209637709U CN 209637709 U CN209637709 U CN 209637709U CN 201920328598 U CN201920328598 U CN 201920328598U CN 209637709 U CN209637709 U CN 209637709U
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- Prior art keywords
- hydraulic tongs
- float plate
- sliding rail
- plate
- hydraulic
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- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 238000007667 floating Methods 0.000 claims description 56
- 238000003825 pressing Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of hydraulic tongs are related to oil well repairing operation field of tool.The hydraulic tongs include: outer cylinder, are perpendicularly fixed on rig floor；And hydraulic tongs ontology, bottom end has an insertion tube column, and the hydraulic tongs ontology can be rotated around the insertion tube column, and the insertion tube column is fixedly sheathed within the outer cylinder.The outer cylinder of the hydraulic tongs is connected and fixed on rig floor in advance, it is fixedly sheathed within outer cylinder by the insertion tube column of its bottom end, so as to which more quickly the hydraulic tongs are installed on rig floor, simultaneously relative to the change of shackle principle on iron driller and to the optimization design of structure, the space which occupies rig floor is also less.
Description
Technical field
The utility model relates to oil well repairing operation field of tool, in particular to a kind of hydraulic tongs.
Background technique
During the drilling and repairing well of oil field, the upper shackle of tubing string is the key link in round trip, and heavy repair task is existing at present
The upper shackle of field tubing string, which relies primarily on, manually to be completed by pushing and pulling the suspension type well workover power fluid pressing tongs of operation with traditional, this side
Formula there is large labor intensity, security risk is high, operating environment is severe the problems such as.In order to solve shackle equipment automation on well head
The low problem of degree was once attempted the higher iron driller technology of the degree of automation being applied to heavy repair task in recent years, but due to repairing
The otherness of well and drillng operation, iron driller expose that volume is big, weight weight, shackle efficiency on oil pipe during workover treatment
The problems such as low, can not carry out industrial application.
Present workover treatment automates upper shackle and mostly uses iron driller, related patents such as application No. is
In 201420056528.6,201320648095.9 and 201620035131.8, the jib structure used is various informative, energy
Enough to realize flexible, spinning movement, band moving caliper is moved at target tubing string.Caliper is mainly by turnbuckle clamp, impact tong and back-up tong three
Part forms, and clamping clip and turnbuckle clamp clamp lower tubular column respectively when work, and applies spinner torque by turnbuckle clamp, above and below realization
The precession of tubing string screw thread, then twist buckle square is rushed to the application of upper tubing string by impact tong, the connection of upper lower tubular column is further fastened, thus complete
At the upper button operation of upper lower tubular column；Motion flow is opposite when shackle operation.
For another example a kind of structure of hydraulic tongs is also disclosed in Patent No. 200810012726.1, is automated for binding clip
The automatic operation of binding clip may be implemented in transformation and upgrade, is suitable for light maintenance operation.
The objective disadvantage of the prior art is as follows: due to drilling rod and oil pipe during screw thread tightens the difference of change in torque and
The spinner of iron driller and buckle structure principle is rushed, causes iron driller that can only meet the processing to shackle on drilling rod, and to being unloaded on oil pipe
It is extremely low to detain efficiency, while its structure is complicated, bulky, occupies rig floor much room, is unable to satisfy produced on-site requirement.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic tongs, and it is real to substitute trial of the iron driller technology in heavy repair task
It tests, can less occupy the space of rig floor, while realizing the high-efficient automatic processing of shackle in oil pipe drill rod.
The embodiments of the present invention are achieved in that
The one side of the utility model embodiment provides a kind of hydraulic tongs, comprising: outer cylinder is perpendicularly fixed on rig floor；With
And hydraulic tongs ontology, bottom end has an insertion tube column, and the hydraulic tongs ontology can be rotated around the insertion tube column, described to insert
Cylinder column is fixedly sheathed within the outer cylinder.
Optionally, the outer cylinder is welded and fixed with the rig floor.
Optionally, the hydraulic tongs ontology include the slewing equipment for being connected to the insertion tube column top, be connected to it is described
The revolving platform on slewing equipment top is connected on the revolution countertop and along the sliding rail extended vertically and is slidably mounted on institute
The flexible arm assembly on sliding rail is stated, the flexible arm assembly can be slided up and down along the sliding rail, and the flexible arm assembly is separate
One end of the sliding rail has self shifter hydraulic tongs assembly.
Optionally, the flexible arm assembly includes fall block and telescopic arm, and the fall block is slidably mounted on described
It on sliding rail, and can be slided up and down along the sliding rail, one end of the telescopic arm is connected on the fall block, described flexible
The other end of arm connects the self shifter hydraulic tongs assembly.
It optionally, further include lifting device between the revolving platform and the fall block, the lifting device
Bottom end connect the revolving platform, the top of the lifting device connects the fall block, and the lifting device is for driving
The fall block is slided up and down along the sliding rail.
Optionally, the lifting device is lifting hydraulic cylinder.
Optionally, the self shifter hydraulic tongs assembly includes hydraulic tongs floating installation and automatic liquid pressing tongs, described hydraulic
Pincers floating installation is connected to the one end of the telescopic arm far from the sliding rail, and it is floating that the automatic liquid pressing tongs is installed on the hydraulic tongs
On dynamic device.
Optionally, the hydraulic tongs floating installation includes floating bottom plate and float plate, and the float plate is placed in the floating
On bottom plate, and the float plate and the floating bottom plate are in parallel arrangement, are set between the float plate and the floating bottom plate
There is rolling element, the float plate can be by the relatively described floating bottom plate of the rolling element along the side parallel with the float plate
To floating, wherein the floating bottom plate is fixedly connected on the one end of the telescopic arm far from the sliding rail, the automatic liquid pressing tongs
It is installed on the float plate.
Optionally, the hydraulic tongs floating installation includes floating bottom plate, float plate and deflecting plates, and the float plate is placed in institute
It states on floating bottom plate, and the float plate and the floating bottom plate are in parallel arrangement, the float plate and the floating bottom plate
Between be equipped with rolling element, the float plate can be by the relatively described floating bottom plate of the rolling element along flat with the float plate
It floats in capable direction, wherein the floating bottom plate is fixedly connected on the one end of the telescopic arm far from the sliding rail, the deflection
Plate is set on the float plate, and described deflecting plates one end is articulated with the float plate, the other end of the deflecting plates and institute
Float plate is stated by deflection hydraulic cylinder connection, the deflection hydraulic cylinder is for driving the deflecting plates around the deflecting plates and institute
The hinged place for stating float plate rotates an angle relative to the float plate, and the automatic liquid pressing tongs is installed on the deflecting plates.
Optionally, by connection pin connection, the diameter of the connecting pin is less than institute for the floating bottom plate and the float plate
The diameter of the pin hole passed through for the connecting pin opened up in float plate is stated, the rolling element is steel ball idler wheel.
As described above, the outer cylinder of the hydraulic tongs is connected and fixed on rig floor in advance, fixed by the insertion tube column of its bottom end
It is socketed within outer cylinder, so as to which more quickly the hydraulic tongs are installed on rig floor, while relative to shackle on iron driller
The change of principle and optimization design to structure, the space which occupies rig floor are also less.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model hydraulic tongs；
Fig. 2 is the structural schematic diagram of hydraulic tongs floating installation in Fig. 1；
Schematic top plan view after Fig. 3 is mounted on rig floor for hydraulic tongs in Fig. 1 under use state.
Icon: 100- hydraulic tongs；2- outer cylinder；1- hydraulic tongs ontology；11- insertion tube column；111- antirotation keys；12- revolution dress
It sets；13- revolving platform；14- sliding rail；15- stretches arm assembly；151- fall block；152- telescopic arm；1521- telescopic hydraulic cylinder；
153- lifting device；16- self shifter hydraulic tongs assembly；161- hydraulic tongs floating installation；1611- floating bottom plate；1612- floats
Plate；1613- rolling element；1614- deflecting plates；1615- deflects hydraulic cylinder；1616- connecting pin；162- automatic liquid pressing tongs；1621- master
Pincers；1622- backup tong；1623- spring guide；3- well head working position；4- rat hole working position；5- rig floor.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 to Fig. 3 is please referred to, the present embodiment provides a kind of hydraulic tongs 100, including hydraulic tongs ontology 1 and outer cylinder 2.
Outer cylinder 2 is perpendicularly fixed on rig floor 5, and in the present embodiment, outer cylinder 2 can be fixed on rig floor 5 by welding manner,
In other embodiments, outer cylinder 2 can be also fixed on the rig floor 5 by spiro connecting piece.
The bottom end of hydraulic tongs ontology 1 has an insertion tube column 11, and hydraulic tongs ontology 1 can be rotated around insertion tube column 11, inserts
Cylinder column 11 is fixedly sheathed within outer cylinder 2.It in the present embodiment, can be by four antirotation keys 111 by 11 phase of insertion tube column
It is fixed to outer cylinder 2, to complete the Fast Installation of the hydraulic tongs ontology 1.In other embodiments, such as also it can pass through positioning pin
Insertion tube column 11 is fixed with respect to outer cylinder 2.
As described above, the hydraulic tongs 100 are fixedly sheathed within outer cylinder 2 by the insertion tube column 11 of its bottom end, so as to
More quickly the hydraulic tongs 100 to be installed on rig floor 5, and the outer cylinder 2 is fixedly welded in advance on rig floor 5, therefore, should
The space that hydraulic tongs 100 occupy rig floor 5 is also less.Please in conjunction with referring to Fig. 3, which is installed on rig floor 5
Afterwards, back rotation switching can be carried out, between well head working position 3 and rat hole working position 4 to complete to 3 oil pipe of well head working position and rat hole
The upper shackle of 4 drilling rod of working position operates.
In the present embodiment, hydraulic tongs ontology 1 includes the slewing equipment 12 for being connected to 11 top of insertion tube column, is connected to back
The revolving platform 13 on 12 top of rotary device is connected on 13 top surface of revolving platform and along the sliding rail 14 extended vertically, is slidably mounted on cunning
Flexible arm assembly 15 on rail 14, flexible arm assembly 15 can be slided up and down along sliding rail 14, and the arm assembly 15 that stretches is far from sliding rail 14
One end have self shifter hydraulic tongs assembly 16.
Wherein, the arm assembly 15 that stretches includes fall block 151 and telescopic arm 152, and fall block 151 is slidably mounted on sliding rail
On 14, and can be slided up and down along sliding rail 14, one end of telescopic arm 152 is connected on fall block 151, telescopic arm 152 it is another
One end connects self shifter hydraulic tongs assembly 16.
In order to realize that fall block 151 can be slided up and down along sliding rail 14, set between revolving platform 13 and fall block 151
There is lifting device 153, the bottom end of lifting device 153 connects revolving platform 13, and the top of lifting device 153 connects fall block 151,
Lifting device 153 is for driving fall block 151 to slide up and down along sliding rail 14.In the present embodiment, which can be
Lifting hydraulic cylinder, certainly, in other embodiments, which can also be pneumatic cylinder, linear motor etc..
As described above, slewing equipment 12 drives revolving platform 13 and whole turn of the sliding rail being mounted on 13 top surface of revolving platform 14
It is dynamic, so as to drive the self shifter hydraulic tongs assembly 16 being mounted on telescopic arm 152 to rotate around sliding rail 14, and pass through liter
Falling unit 153 drives fall block 151 to slide up and down to drive the self shifter liquid being mounted on telescopic arm 152 along sliding rail 14
Pressing tongs assembly 16 moves up and down along the vertical direction.Telescopic arm 152 can be realized by the telescopic hydraulic cylinder 1521 of its own to be stretched,
To drive the self shifter hydraulic tongs assembly 16 being mounted on telescopic arm 152 facing away or facing towards the level in the direction of the sliding rail 14
It is mobile.
In the present embodiment, the self shifter hydraulic tongs assembly 16 includes hydraulic tongs floating installation 161 and automatic hydraulic
Pincers 162, the hydraulic tongs floating installation 161 is connected to the one end of the telescopic arm 152 far from the sliding rail 14, the automatic liquid
Pressing tongs 162 is installed on the hydraulic tongs floating installation 161.
Hydraulic tongs floating installation 161 includes floating bottom plate 1611, float plate 1612 and deflecting plates 1614.
Float plate 1612 is placed on floating bottom plate 1611, and float plate 1612 and floating bottom plate 1611 are in parallel arrangement,
Rolling element 1613 is equipped between float plate 1612 and floating bottom plate 1611, which may be, for example, steel ball idler wheel, float
Plate 1612 can be floated by 1613 Relative Floating bottom plate 1611 of rolling element along the direction parallel with float plate 1612, floating bottom
Plate 1611 is fixedly connected on the one end of telescopic arm 152 far from sliding rail 14.
Wherein, floating bottom plate 1611 is connect with float plate 1612 by connecting pin 1616, and the diameter of connecting pin 1616 is less than
The diameter of the pin hole passed through for connecting pin 1616 opened up in float plate 1612.Wherein, the connecting pin 1616 and pin hole is straight
Diameter difference is determined that 1612 Relative Floating bottom plate 1611 of float plate has horizontal float under conditions of intensity allows by required amount of floating
Function, so that the automatic liquid pressing tongs 162 being installed in float plate 1612 is made to have the function of horizontal float,
It, can since automatic liquid pressing tongs 162 has the function of horizontal float when automatic liquid pressing tongs 162 clamps tubing string
The jaw center of automatic compensation automatic liquid pressing tongs 162 and the radial displacement of tubing string centre deviation, are realized automatic in a certain range
The jaw center of hydraulic tongs 162 and the adjust automatically at tubing string center are to just.
Deflecting plates 1614 is set on float plate 1612, and 1614 one end of deflecting plates is articulated with float plate 1612, deflecting plates
1614 other end is connect with float plate 1612 by deflecting hydraulic cylinder 1615, and deflection hydraulic cylinder 1615 is for driving deflecting plates
1614 rotate an angle, automatic liquid pressing tongs 162 around deflecting plates 1614 and the hinged place Relative Floating plate 1612 of float plate 1612
It is installed on deflecting plates 1614.Since 1614 Relative Floating plate 1612 of deflecting plates rotates an angle, can make to be installed on
162 relatively horizontal orientation of automatic liquid pressing tongs on deflecting plates 1614 realizes certain deflection angle, to meet in mouse hole
Shackle requirement on tubing string with certain inclination angle.
It is worth mentioning that in other embodiments, such as when automatic liquid pressing tongs 162 does not need relatively horizontal orientation realization
When certain deflection angle, hydraulic tongs floating installation 161 can not include deflecting plates 1614, i.e., directly by automatic liquid pressing tongs 162
It is installed on float plate 1612.
In addition, 14 top of sliding rail is also fastened with a lifting plate, lifting plate is connected by lifting device and is lifted by crane, the lifting
Plate can effectively solve because position of centre of gravity it is forward caused by lift by crane after insertion tube column 11 with 5 out of plumb of rig floor lead to difficult to install ask
Topic.
The automatic liquid pressing tongs 162 being fixed on deflecting plates 1614 may also include main pincers 1621 and backup tong 1622, backup tong 1622
It is connect with deflecting plates 1614 by spring guide 1623, main pincers 1621 are connected by three supports of spring guide 1623 with backup tong 1622
It connects, circle counting number, press detection sensor is provided on main pincers 1621, realize that torque detection, the detection of circle number, jaw automatically reset
Etc. functions.Main pincers 1621 are equipped with two sets of hydraulic automatic gearshifts, realize automatic gear switch, meet twist buckle on different tubing strings
Square requirement.
It is to provide a kind of working method of hydraulic tongs 100 below:
1) connection service line and communication cable after installation is in place, after starting setting relevant parameter, selection is grasped using panel
Work or remote controller operation.
2) remote controller/panel-switch selects equipment by hiding a rotational positioning to well head working position 3, and encoder is adopted
Collect feedback signal to controller, is automatically positioned by pre-set programs.
3) it after casing adapter is fixed in working height range, stirs rocking bar and stretches out function, telescopic hydraulic cylinder 1521 drives
Dynamic flexible arm assembly 15 moves to well head center, and the linear displacement transducer on telescopic hydraulic cylinder 1521 detects outreach, in advance
If program realizes quickly stretching, movement rhythm at a slow speed in place.
4) by stirring rocking bar lifting/lowering function, after keeping jaw consistent with connector height, button on rocking bar/shackle function is stirred,
Backup tong 1622 clamps, and 1621 forward/reverse of main pincers start upper shackle, and pre-set programs realize 1621 slow, fast, slow swivels of main pincers
It plays, shackle requirement on tubing string is met by the detection of circle number, torque detection.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of hydraulic tongs characterized by comprising
Outer cylinder is perpendicularly fixed on rig floor；And
Hydraulic tongs ontology, bottom end has an insertion tube column, and the hydraulic tongs ontology can be rotated around the insertion tube column, described
Insertion tube column is fixedly sheathed within the outer cylinder.
2. hydraulic tongs according to claim 1, which is characterized in that the outer cylinder is welded and fixed with the rig floor.
3. hydraulic tongs according to claim 1, which is characterized in that the hydraulic tongs ontology includes being connected to the insertion tube to stand
The slewing equipment of top end, the revolving platform for being connected to the slewing equipment top and the cunning being connected on the revolution countertop
Rail, the bottom end of the sliding rail are fixedly connected on the revolution countertop, and the top of the sliding rail is towards away from the revolution countertop
Direction extends, and the sliding rail is vertical setting with the revolution countertop, and the hydraulic tongs ontology further includes flexible arm assembly, institute
The one end for stating flexible arm assembly is slidably mounted on the sliding rail, and the flexible arm assembly can be slided up and down along the sliding rail,
The flexible arm assembly has self shifter hydraulic tongs assembly far from one end of the sliding rail.
4. hydraulic tongs according to claim 3, which is characterized in that the flexible arm assembly includes fall block and stretches
Arm, the fall block are slidably mounted on the sliding rail, and can be slided up and down along the sliding rail, one end of the telescopic arm
It is connected on the fall block, the other end of the telescopic arm connects the self shifter hydraulic tongs assembly.
5. hydraulic tongs according to claim 4, which is characterized in that further include being located at the revolving platform and the fall block
Between lifting device, the bottom end of the lifting device connects the revolving platform, and the top of the lifting device connects the liter
Coaster drops, and the lifting device is for driving the fall block to slide up and down along the sliding rail.
6. hydraulic tongs according to claim 5, which is characterized in that the lifting device is hydraulic cylinder.
7. hydraulic tongs according to claim 4, which is characterized in that the self shifter hydraulic tongs assembly includes that hydraulic tongs are floating
Dynamic device and automatic liquid pressing tongs, the hydraulic tongs floating installation is connected to the one end of the telescopic arm far from the sliding rail, described
Automatic liquid pressing tongs is installed on the hydraulic tongs floating installation.
8. hydraulic tongs according to claim 7, which is characterized in that the hydraulic tongs floating installation includes floating bottom plate and floats
Movable plate, the float plate are placed on the floating bottom plate, and the float plate and the floating bottom plate are in parallel arrangement, described
Rolling element is equipped between float plate and the floating bottom plate, the float plate can pass through the relatively described floating bottom of the rolling element
Plate floats along the direction parallel with the float plate, wherein the floating bottom plate is fixedly connected on the telescopic arm far from institute
One end of sliding rail is stated, the automatic liquid pressing tongs is installed on the float plate.
9. hydraulic tongs according to claim 7, which is characterized in that the hydraulic tongs floating installation includes floating bottom plate, is floated
Movable plate and deflecting plates, the float plate are placed on the floating bottom plate, and the float plate is in parallel with the floating bottom plate
Arrangement is equipped with rolling element between the float plate and the floating bottom plate, the float plate can be opposite by the rolling element
The floating bottom plate floats along the direction parallel with the float plate, wherein the floating bottom plate is fixedly connected on described stretch
The one end of contracting arm far from the sliding rail, the deflecting plates is set on the float plate, and described deflecting plates one end is articulated with institute
Float plate is stated, the other end of the deflecting plates is connect with the float plate by deflecting hydraulic cylinder, and the deflection hydraulic cylinder is used for
The deflecting plates is driven to rotate an angle with the hinged place of the float plate relative to the float plate around the deflecting plates, it is described
Automatic liquid pressing tongs is installed on the deflecting plates.
10. hydraulic tongs according to claim 8 or claim 9, which is characterized in that the floating bottom plate and the float plate pass through company
Outbound connection, the diameter of the connecting pin are less than the straight of the pin hole passed through for the connecting pin opened up in the float plate
Diameter, the rolling element are steel ball idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328598.5U CN209637709U (en) | 2019-03-14 | 2019-03-14 | Hydraulic tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328598.5U CN209637709U (en) | 2019-03-14 | 2019-03-14 | Hydraulic tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637709U true CN209637709U (en) | 2019-11-15 |
Family
ID=68496129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328598.5U Withdrawn - After Issue CN209637709U (en) | 2019-03-14 | 2019-03-14 | Hydraulic tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779542A (en) * | 2019-03-14 | 2019-05-21 | 胜利油田胜机石油装备有限公司 | Hydraulic tongs |
-
2019
- 2019-03-14 CN CN201920328598.5U patent/CN209637709U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779542A (en) * | 2019-03-14 | 2019-05-21 | 胜利油田胜机石油装备有限公司 | Hydraulic tongs |
| CN109779542B (en) * | 2019-03-14 | 2024-04-02 | 胜利油田胜机石油装备有限公司 | Hydraulic pliers |
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