CN109138869A - Grasping mechanism - Google Patents
Grasping mechanism Download PDFInfo
- Publication number
- CN109138869A CN109138869A CN201710508153.0A CN201710508153A CN109138869A CN 109138869 A CN109138869 A CN 109138869A CN 201710508153 A CN201710508153 A CN 201710508153A CN 109138869 A CN109138869 A CN 109138869A
- Authority
- CN
- China
- Prior art keywords
- promptly
- tube socket
- push rod
- shaft
- position limiting
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/10—Slips; Spiders ; Catching devices
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of grasping mechanisms, wherein include: a promptly tube socket, it is described it is promptly opposite on tube socket two position limiting structures are installed, two shafts are rotatably installed between two position limiting structures, are mounted on a convex block in the middle part of each shaft；One one end for grabbing pipe driving is placed in two position limiting structures across the promptly tube socket, the output end of the promptly driving is mounted in the middle part of one push rod, it further include two connecting rods, the both ends of a connecting rod are rotatably mounted on respectively on one end and a convex block of the push rod；The both ends of another connecting rod are rotatably mounted on respectively on the other end and another convex block of the push rod；Bluff piece is fixedly installed in each shaft.The present invention can firmly grasp the bluff piece of pipe fitting by being arranged on promptly tube socket, and cooperate corresponding driving and two directive wheels, realize tubing string firm grip and upper lower tubular column make-up, avoid and occur a possibility that risk in operating process.
Description
Technical field
The present invention relates to the grasp devices in a kind of workover rig more particularly to a kind of light maintenance well head automatic job.
Background technique
Currently, oil well is in recovery process, it is possible that the problems such as abrasion of holddown, rod parting, oil pipe is severe, this
Sample just needs to carry out workover treatment.This process needs to rise by the R a T in well with well maintenance vehicle, is placed into pipe rack,
It excludes to problem, is then being lowered into well.
During workover treatment, conveying of the tube rod between pipe rack and well head is largely completed by manpower, especially
When tube rod is delivered to well head, it usually needs manually go to buttress tube rod, there are inertia when due to tubing string movement, can generate one to worker
Fixed impact, there are security risks.After tubing string moves to well head, it is also necessary to carry out artificial make-up to tubing string, compare operation
It is cumbersome.
Therefore, those skilled in the art be dedicated to developing a kind of structure it is simple, efficiently, the convenient and fast grasp device of operation.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of grasping mechanism,
Wherein, comprising: one firmly grasps tube socket, is equipped with two position limiting structures relatively on the promptly tube socket, can between two position limiting structures
Rotation is equipped with two shafts, is mounted on a convex block in the middle part of each shaft；One one end for grabbing pipe driving passes through institute
It states promptly tube socket to be placed between two position limiting structures, the output end of the promptly driving is mounted in the middle part of a push rod, is also wrapped
Two connecting rods are included, the both ends of a connecting rod are rotatably mounted on respectively on one end and a convex block of the push rod；Separately
The both ends of one connecting rod are rotatably mounted on respectively on the other end and another convex block of the push rod；It is each described
Bluff piece is fixedly installed in shaft.
Preferably, the position limiting structure includes: two positive stop strips being mounted on the promptly tube socket, two positive stop strips it
Between rotatably mounted have a directive wheel；The end of two shafts is rotatable respectively to be embedded in the two positive stop strip side walls.
Preferably, two bluff pieces are fixedly installed in each shaft, two bluff pieces are separately fixed at close
The both ends of the shaft.
Preferably, the push rod is equipped with two strip shape bodies, two strip shape bodies towards a side surface of the promptly tube socket
Slide through the promptly tube socket.
Preferably, the promptly tube socket is mounted on a tube rod erection device.
Preferably, the tube rod erection device includes: a flexible arm seat, is equipped with a telescopic arm on the flexible arm seat,
The grasping mechanism is mounted on the telescopic arm.
It preferably, further include a flexible driving, one end of the flexible driving is mounted on the flexible arm seat, described to stretch
The other end of contracting driving is mounted on the telescopic arm.
The present invention compared to the prior art, efficiently solves the equipment for lacking effectively auxiliary tubing string in the prior art, exists
The problem of security risk, can firmly grasp the bluff piece of pipe fitting by being arranged on promptly tube socket, and cooperate corresponding driving, realize pipe
The firm grip of column, avoids and occurs a possibility that risk in operating process, improves security performance.The configuration of the present invention is simple,
Efficiently, it is convenient to operate.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram that tube socket is firmly grasped in removal of the invention；
Fig. 3 is the structural schematic diagram of erection device of the invention.
Specific embodiment
As shown, Fig. 1 is structural schematic diagram of the invention, Fig. 2 is the structural representation that tube socket is firmly grasped in removal of the invention
Figure, a kind of grasping mechanism, wherein it include: a promptly tube socket 513, it is further promptly opposite on tube socket 513 that two limits are installed
Structure is rotatably equipped with two shafts between two further position limiting structures, is respectively mounted in the middle part of each further shaft
There is a convex block；One one end for grabbing pipe driving 5137 passes through further promptly tube socket 513 and is placed in two further position limiting structures
Between, the middle part of a push rod 5138 is mounted on the output end of further promptly driving, further includes two connecting rods 5136, one further
The both ends of connecting rod 5136 be rotatably mounted on one end and a further convex block of further push rod 5138 respectively；
The both ends of another further connecting rod 5136 are rotatably mounted on the other end of further push rod 5138 and another respectively
On further convex block；Bluff piece 5134 is fixedly installed in each further shaft.
Further, further position limiting structure includes: two positive stop strips being mounted on further promptly tube socket 513,
It is rotatably mounted between two further positive stop strips to have a directive wheel 5132；The end difference of two further shafts is rotatable
It is embedded in two further positive stop strip side walls.The guiding of tube rod is realized by directive wheel 5132 and 5134 common action of bluff piece；Two lead
Realize the make-up of upper lower tubular column jointly to wheel 5132 and bluff piece 5134.
Further, two further bluff pieces 5134 are fixedly installed in each further shaft, two is further
Bluff piece 5134 is separately fixed at close to the both ends of further shaft.
Further, further push rod 5138 is equipped with two towards a side surface of further promptly tube socket 513
Shape body, two further strip shape bodies slide through further promptly tube socket 513.
Fig. 3 is the structural schematic diagram of erection device of the invention, and further, further promptly tube socket 513 is mounted on
On one tube rod erection device 51.
Further, further tube rod erection device 51 includes: a flexible arm seat 514, further flexible arm seat 514
On a telescopic arm 511 is installed, further grasping mechanism is mounted on further telescopic arm 511.
It further, further include a flexible driving 512, one end of further flexible driving 512 is mounted on further
On flexible arm seat 514, the other end of further flexible driving 512 is mounted on further telescopic arm 511.
Specifically, can be applied in light maintenance well head automatic operation device in implementation process of the present invention, light maintenance well head is certainly
Dynamic apparatus for work includes: that tube rod gripping mechanism is equipped in job platform, and shackle in a tube rod is slidably fitted on job platform
Device, job platform top are equipped with a tube rod running and pulling device.Tube rod erection device 51 can apply the shackle device in tube rod
On, shackle device specifically includes in tube rod: base, has track on base, and transport small car is slidably installed in orbit, and movement is small
Vehicle side wall is equipped with transport small car driving, is equipped with a lifting arm on transport small car, a lifting seat is equipped on lifting arm, go up and down
One lifting driving is installed between seat and transport small car；The rack that swings is installed on lifting seat, the one of the rack that swings
Side is equipped with a blowout hookup, and tube rod erection device of the invention is equipped in the rack that swings.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of grasping mechanism characterized by comprising one firmly grasps tube socket, is equipped with two limits relatively on the promptly tube socket
Structure is rotatably equipped with two shafts between two position limiting structures, is mounted on a convex block in the middle part of each shaft；
One one end for grabbing pipe driving is placed in two position limiting structures across the promptly tube socket, and institute is mounted in the middle part of a push rod
The output end promptly driven is stated, further includes two connecting rods, the both ends of a connecting rod are rotatably mounted on the push rod respectively
One end and a convex block on；The both ends of another connecting rod be rotatably mounted on respectively the push rod the other end and
On another convex block；Bluff piece is fixedly installed in each shaft.
2. automatic operation device as described in claim 1, which is characterized in that the position limiting structure include: two be mounted on it is described
The promptly positive stop strip on tube socket, it is rotatably mounted between two positive stop strips to have a directive wheel；Distinguish the end of two shafts
The two positive stop strip side walls of rotatable insertion.
3. automatic operation device as described in claim 1, which is characterized in that be fixedly installed with two institutes in each shaft
Bluff piece is stated, two bluff pieces are separately fixed at close to the both ends of the shaft.
4. automatic operation device as described in claim 1, which is characterized in that side of the push rod towards the promptly tube socket
Surface is equipped with two strip shape bodies, and two strip shape bodies slide through the promptly tube socket.
5. automatic operation device as described in claim 1, which is characterized in that the promptly tube socket is mounted on tube rod righting dress
It sets.
6. automatic operation device as claimed in claim 5, which is characterized in that the tube rod erection device includes: a telescopic arm
, a telescopic arm is installed on the flexible arm seat, the grasping mechanism is mounted on the telescopic arm.
7. automatic operation device as claimed in claim 6, which is characterized in that further include a flexible driving, the flexible driving
One end be mounted on the flexible arm seat, the other end of the flexible driving is mounted on the telescopic arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508153.0A CN109138869A (en) | 2017-06-28 | 2017-06-28 | Grasping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508153.0A CN109138869A (en) | 2017-06-28 | 2017-06-28 | Grasping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109138869A true CN109138869A (en) | 2019-01-04 |
Family
ID=64803539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710508153.0A Pending CN109138869A (en) | 2017-06-28 | 2017-06-28 | Grasping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627749A (en) * | 2020-12-29 | 2021-04-09 | 济南光先数控机械有限公司 | Method for pulling and pulling pipe rod of pipe rod slideway of petroleum well repairing equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020157870A1 (en) * | 2001-01-22 | 2002-10-31 | Bischel Brian J. | Method and apparatus for attaching/detaching drill rod |
| CN102146775A (en) * | 2011-01-28 | 2011-08-10 | 胜利油田泰峰机电有限责任公司 | Automatic operation system for oil well operation |
| CN203081352U (en) * | 2012-12-28 | 2013-07-24 | 中国石油化工股份有限公司 | Manipulator capable of locating clamping center |
| CN203867495U (en) * | 2014-04-17 | 2014-10-08 | 中国石油大学(华东) | Novel oil pipe grabbing mechanical arm for hydraulic automatic workover rig |
| CN204113150U (en) * | 2014-09-23 | 2015-01-21 | 天合石油集团汇丰石油装备有限公司 | A kind of clamping clip |
| CN104314480A (en) * | 2014-10-11 | 2015-01-28 | 四川宏华石油设备有限公司 | Pipe righting device |
-
2017
- 2017-06-28 CN CN201710508153.0A patent/CN109138869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020157870A1 (en) * | 2001-01-22 | 2002-10-31 | Bischel Brian J. | Method and apparatus for attaching/detaching drill rod |
| CN102146775A (en) * | 2011-01-28 | 2011-08-10 | 胜利油田泰峰机电有限责任公司 | Automatic operation system for oil well operation |
| CN203081352U (en) * | 2012-12-28 | 2013-07-24 | 中国石油化工股份有限公司 | Manipulator capable of locating clamping center |
| CN203867495U (en) * | 2014-04-17 | 2014-10-08 | 中国石油大学(华东) | Novel oil pipe grabbing mechanical arm for hydraulic automatic workover rig |
| CN204113150U (en) * | 2014-09-23 | 2015-01-21 | 天合石油集团汇丰石油装备有限公司 | A kind of clamping clip |
| CN104314480A (en) * | 2014-10-11 | 2015-01-28 | 四川宏华石油设备有限公司 | Pipe righting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627749A (en) * | 2020-12-29 | 2021-04-09 | 济南光先数控机械有限公司 | Method for pulling and pulling pipe rod of pipe rod slideway of petroleum well repairing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |