CN206801500U - Push up drive jack up vertical float hydraulic back-up tongs device - Google Patents
Push up drive jack up vertical float hydraulic back-up tongs device Download PDFInfo
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- CN206801500U CN206801500U CN201720550807.1U CN201720550807U CN206801500U CN 206801500 U CN206801500 U CN 206801500U CN 201720550807 U CN201720550807 U CN 201720550807U CN 206801500 U CN206801500 U CN 206801500U
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- vertical float
- tong
- tooth
- pincers
- tongs device
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Abstract
The utility model discloses one kind to push up drive jack up vertical float hydraulic back-up tongs device, it includes back-up tong, vertical float oil cylinder, vertical float guiding assemblage and back-up tong guide rail, one end of vertical float oil cylinder is connected to back-up tong guide rail, and the other end is connected to vertical float guiding assemblage and back-up tong simultaneously；Back-up tong includes housing, and housing is provided with through hole, and through hole runs through the upper surface and lower surface of housing, and two pincers tooth assemblies are provided with housing, and two pincers tooth assemblies are distributed with the Central Symmetry of through hole；Clamping tooth assembly includes drive cylinder, pliers tooth base and pincers tooth, and pliers tooth base is fixedly arranged on the external part of drive cylinder, and pincers tooth is fixedly arranged on pliers tooth base.Back-up tong device of the present utility model can be realized and automatically clamp drilling rod or casing centering, reduce erection device, simple in construction；Vertical float positioning and locking system, engaged in back-up tong floating stroke using rack and tooth block, convenient and swift can complete back-up tong in the default position of stroke and locking, raising operating efficiency.
Description
Technical field
Oil-gas drilling equipment technical field is the utility model is related to, more particularly to a kind of top drive jack up is vertical
Floating hydraulic back-up tongs device.
Background technology
When driving drillng operation on top, back-up tong device directly affects top and drives overall operating efficiency and reliability, and it is mainly made
With being to complete drilling well and upper, shackle drilling tool the clamping during making a trip.The back-up tong structure of top drive both at home and abroad is more complicated at present, folder
Drilling rod or sleeve pipe centering need to set up auxiliary centering erection device before tight, and it is upper, unload automatically and manually inner blowout preventer system
With the problems such as fixed operation of back-up tong is cumbersome, stroke is insufficient during tap crossover sub be present.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above existing for prior art, there is provided Yi Zhongding
Jack up vertical float hydraulic back-up tongs device is used in drive.
The utility model is that solve above-mentioned technical problem by following technical proposals：
One kind top drive jack up vertical float hydraulic back-up tongs device, it includes back-up tong, vertical float oil cylinder, is connected to
The vertical float guiding assemblage of back-up tong and the back-up tong guide rail for being arranged in vertical float guiding assemblage, one end of vertical float oil cylinder
Back-up tong guide rail is connected to, the other end is connected to vertical float guiding assemblage and back-up tong simultaneously；Back-up tong includes housing, on housing
Provided with through hole, through hole runs through the upper surface and lower surface of housing, two pincers tooth assemblies is provided with housing, two pincers tooth assemblies are with through hole
Central Symmetry distribution；Clamping tooth assembly includes drive cylinder, pliers tooth base and clamps tooth, and pliers tooth base is fixedly arranged on the stretching of drive cylinder
End, pincers tooth are fixedly arranged on pliers tooth base.
It is preferred that pliers tooth base includes the center section part for placement pliers tooth and the edge part located at middle part both ends, stage casing
Portion is arc, and edge part is to diagonally distribute.
It is preferred that pincers tooth assembly includes three pincers teeth, three pincers curved distributions of tooth.
It is preferred that the lower surface of housing, which is provided with, leads footwear, it is funnel-form to lead footwear, leads footwear and is penetrated with through hole.
It is preferred that the top of vertical float guiding assemblage is provided with first boss, the top of back-up tong is provided with second boss, hangs down
The bottom of straight floating cylinder is provided with ear mount, and ear mount is fixed in first boss and second boss simultaneously.
It is preferred that connected between vertical float oil cylinder and back-up tong guide rail, between vertical float oil cylinder and ear mount by bearing pin
Connect.
It is preferred that positioning and locking system is provided between back-up tong guide rail and vertical float guiding assemblage.
It is preferred that vertical float oil cylinder is two-stage telescopic cylinder.
It is preferred that the bottom of back-up tong guide rail is provided with protection board.
Positive effect of the present utility model is：Back-up tong device of the present utility model can realize automatically by drilling rod or
Casing centering clamps, and reduces erection device, simple in construction；Vertical float positioning and locking system, it is sharp in back-up tong floating stroke
Engaged with rack and tooth block, convenient and swift can complete back-up tong in the default position of stroke and locking, raising operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model preferred embodiment.
Fig. 2 is the left view schematic diagram of the utility model preferred embodiment.
Fig. 3 is that the right side of the utility model preferred embodiment regards schematic diagram.
Fig. 4 is schematic top plan view of the back-up tong of the utility model preferred embodiment when pincers tooth is not fully closed.
Fig. 5 is schematic top plan view of the back-up tong of the utility model preferred embodiment when clamping tooth and closing completely.
Embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, one kind top drive jack up vertical float hydraulic back-up tongs device, it is wrapped
Include back-up tong 1, vertical float oil cylinder 7, the vertical float guiding assemblage 3 for being connected to back-up tong and be arranged in vertical float guiding always
Into back-up tong guide rail 2, one end of vertical float oil cylinder 7 is connected to back-up tong guide rail 2, and the other end is connected to vertical float guiding simultaneously
Assembly 3 and back-up tong 1.Vertical float guiding assemblage 3 and back-up tong 1 are affixed by bolt 4.
The top of vertical float guiding assemblage 3 is provided with first boss 15, and the top of back-up tong 1 is provided with second boss 16, hangs down
The bottom of straight floating cylinder 7 is provided with ear mount 9, and ear mount 9 is fixed in first boss 15 and second boss 16 simultaneously.Ear mount and first
Connected between boss by bolt 10；Connected between ear mount and second boss by bolt 12.
Positioning and locking system 14 is provided between back-up tong guide rail 2 and vertical float guiding assemblage 3.Positioning and locking system is conventional
Part, just repeat no more herein.The bottom of back-up tong guide rail 2 is provided with protection board 18, and protection board is fixed on back-up tong by bolt 17 leads
Rail 2.The handle of positioning and locking system 14 is pulled outwardly, fastening system is opened, makes back-up tong guide rail out of vertical float guiding assemblage
Pass.Push the handle of positioning and locking system 14 to inner side, position back-up tong 1 and lock, then with bolt 17 by protection board 18
The bottom of back-up tong guide rail 2 is fixed on, prevents the failure of positioning and locking system 14 from causing back-up tong 1 to come off.
Vertical float oil cylinder is two-stage telescopic cylinder.Connected between vertical float oil cylinder 7 and back-up tong guide rail 2 by bearing pin 8；
Connected between vertical float oil cylinder 7 and ear mount 9 by bearing pin 6.Can be driven when vertical float oil cylinder is into and out of oil back-up tong and
Vertical float guiding assemblage moves up and down along back-up tong guide rail, realizes that jack up floating hydraulic back-up tongs are expert at by positioning and locking system
The fixation of any position and locked in journey.
Back-up tong 1 includes housing 100, and housing is provided with through hole 101, and through hole 101 runs through the upper surface and lower surface of housing,
Two pincers tooth assemblies are provided with housing 100, respectively clamp tooth assembly 200 and pincers tooth assembly 300, pincers tooth assembly 200 and pincers tooth are total
It is distributed into 300 with the Central Symmetry of through hole 101.
Clamp tooth assembly 200 and be fixedly arranged on drive including drive cylinder 201, pliers tooth base 202 and three pincers teeth 203, pliers tooth base 202
The external part of dynamic oil cylinder 201, pincers tooth 203 are fixedly arranged on pliers tooth base.
Pliers tooth base 202 includes the center section part 204 for placement pliers tooth and the edge part 205 located at the both ends of middle part 204,
Center section part is arc, and edge part is to diagonally distribute；Three pincers 203 curved distributions of tooth.
Clamp tooth assembly 300 and be fixedly arranged on drive including drive cylinder 301, pliers tooth base 302 and three pincers teeth 303, pliers tooth base 302
The external part of dynamic oil cylinder 301, pincers tooth 303 are fixedly arranged on pliers tooth base.
Pliers tooth base 302 includes the center section part 304 for placement pliers tooth and the edge part 305 located at the both ends of middle part 304,
Center section part is arc, and edge part is to diagonally distribute；Three pincers 303 curved distributions of tooth.
The lower surface of housing 100 is provided with and leads footwear 19, and it is funnel-form to lead footwear 19, leads footwear 19 and is penetrated with through hole 101.
Using the clip-on clamping form of double oil cylinders in back-up tong 1, when drilling rod or sleeve pipe enter back-up tong 1 via footwear 19 are led
In, drilling rod or sleeve pipe are positioned in Ф 260mm through hole by a diameter of Ф 260mm footwear 19 of leading, drive cylinder 201 is stretched out
End and the external part of drive cylinder 301 promote 302, three pincers teeth 303 of 202, three pincers teeth 203 of pliers tooth base and pliers tooth base to well respectively
Eye central axis movement, completes automatic centering and pinching action.
Pliers tooth base 202 and pliers tooth base 302 are respectively provided with three pincers teeth, while the both sides optimization of pliers tooth base by structure optimization
For transition oblique angle, and per the oblique angle of pliers tooth base two between distance be 260mm, it is equal with leading the diameter of footwear 19, moved to hole axis
During the drilling rod or sleeve pipe that can will be skewed towards in transition oblique angle side be centered in well central axis via transition oblique angle.
Three pincers teeth, and three pincers curved distributions of tooth are set, can be in the external part and drive cylinder of drive cylinder 201
301 external part effectively clamps minor diameter bar when reaching the limit of position.
Hydraulic back-up tongs device of the present utility model, compared with back-up tong is driven on top in the past, drill rod centering device is reduced, makes back-up tong knot
Structure simplifies, and vertical float stroke range is bigger, meets the replacing demand of upper and lower inner blowout preventer and tap crossover sub, and
And can it is upper, unload automatically and manually inner blowout preventer and tap crossover sub when realize the fast positioning and lock of any position
Extremely, operating efficiency is improved.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (9)
1. one kind top drive jack up vertical float hydraulic back-up tongs device, it includes back-up tong, vertical float oil cylinder, is connected to the back of the body
The vertical float guiding assemblage of caliper and the back-up tong guide rail for being arranged in vertical float guiding assemblage, one end of vertical float oil cylinder connect
Back-up tong guide rail is connected to, the other end is connected to vertical float guiding assemblage and back-up tong simultaneously；Characterized in that, back-up tong includes shell
Body, housing are provided with through hole, and through hole runs through the upper surface and lower surface of housing, and two pincers tooth assemblies, two pincers teeth are provided with housing
Assembly is distributed with the Central Symmetry of through hole；Clamping tooth assembly includes drive cylinder, pliers tooth base and clamps tooth, and pliers tooth base is fixedly arranged on driving
The external part of oil cylinder, pincers tooth are fixedly arranged on pliers tooth base.
2. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 1, it is characterised in that pliers tooth base includes
Center section part for placement pliers tooth and the edge part located at middle part both ends, center section part are arc, and edge part is to diagonally distribute.
3. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 2, it is characterised in that pincers tooth assembly bag
Include three pincers teeth, three pincers curved distributions of tooth.
4. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 1, it is characterised in that the lower end of housing
Face is provided with and leads footwear, and it is funnel-form to lead footwear, leads footwear and is penetrated with through hole.
5. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 1, it is characterised in that vertical float is led
First boss is provided with to the top of assembly, the top of back-up tong is provided with second boss, and the bottom of vertical float oil cylinder is provided with ear
Seat, ear mount are fixed in first boss and second boss simultaneously.
6. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 5, it is characterised in that vertical float oil
Connected between cylinder and back-up tong guide rail, between vertical float oil cylinder and ear mount by bearing pin.
7. as claimed in claim 1 top drive jack up vertical float hydraulic back-up tongs device, it is characterised in that back-up tong guide rail and
Positioning and locking system is provided between vertical float guiding assemblage.
8. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 1, it is characterised in that vertical float oil
Cylinder is two-stage telescopic cylinder.
9. top drive jack up vertical float hydraulic back-up tongs device as claimed in claim 1, it is characterised in that back-up tong guide rail
Bottom is provided with protection board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550807.1U CN206801500U (en) | 2017-05-17 | 2017-05-17 | Push up drive jack up vertical float hydraulic back-up tongs device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550807.1U CN206801500U (en) | 2017-05-17 | 2017-05-17 | Push up drive jack up vertical float hydraulic back-up tongs device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801500U true CN206801500U (en) | 2017-12-26 |
Family
ID=60741198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550807.1U Active CN206801500U (en) | 2017-05-17 | 2017-05-17 | Push up drive jack up vertical float hydraulic back-up tongs device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801500U (en) |
-
2017
- 2017-05-17 CN CN201720550807.1U patent/CN206801500U/en active Active
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