CN205297397U - Polished rod centering device - Google Patents
Polished rod centering device Download PDFInfo
- Publication number
- CN205297397U CN205297397U CN201521106563.5U CN201521106563U CN205297397U CN 205297397 U CN205297397 U CN 205297397U CN 201521106563 U CN201521106563 U CN 201521106563U CN 205297397 U CN205297397 U CN 205297397U
- Authority
- CN
- China
- Prior art keywords
- polished rod
- centering
- axis
- rod
- jackscrew
- 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.)
- Active
Links
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a polished rod centering device belongs to the oil production equipment field. Polished rod centering device includes: fixed subassembly and centering subassembly, fixed subassembly with the centering subassembly is connected, the centering subassembly can pass through fixed subassembly is connected with the packing box, the centering subassembly includes the centering rod, the axis of centering rod with the axis of packing box perpendicularly just runs through the polished rod of packing box top, the centering rod can be followed the axis direction motion of centering rod. The utility model discloses a centering subassembly and packing box are connected to fixed subassembly, and the centering rod in the centering subassembly that rethread and fixed subassembly are connected promotes the polished rod and adjusts the polished rod, makes the axis of polished rod and the dead in line of packing box, has solved and has bitten into the fluorescent lamp and adjust the surperficial problem of meeting damage polished rod to the polished rod through the breakout tongs in the correlation technique. It can be under the prerequisite of not haring the polished rod to have reached, the axis and packing box dead in line of messenger's polished rod.
Description
Technical field
This utility model relates to oil production equipment field, particularly to a kind of polished rod centralising device.
Background technology
Polished rod is steel cylindrical rod piece, it connects and connects sucker rod under oil pumper, plays the effect of transmission power, and polished rod passes from packing box, and packing box is for carrying out sealing to polished rod. In use for some time, packing therein (a kind of airtight and watertight padding for sealing) will need to change packing box due to serious wear, and need the axis ensureing polished rod and packing box dead in line when changing packing.
Correlation technique is generally used pipe wrench to bite the polished rod that packing box is exposed above by several operator, and adjust polished rod by pipe wrench, makes axis and the packing box dead in line of polished rod.
In realizing process of the present utility model, inventor have found that prior art at least there is problems in that and bite light pipe by pipe wrench and be adjusted polished rod damaging polished rod surface.
Utility model content
In order to solve to bite light pipe by pipe wrench in prior art and polished rod is adjusted damaging the problem on polished rod surface, this utility model embodiment provides a kind of polished rod centralising device. Described technical scheme is as follows:
According to first aspect of the present utility model, it is provided that a kind of polished rod centralising device, described polished rod centralising device includes:
Fixation kit and centering assembly, described fixation kit is connected with described centering assembly;
Described centering assembly can pass through described fixation kit and be connected with packing box;
Described centering assembly includes centering rod, and the axis of described centering rod is vertical with the axis of described packing box and runs through the polished rod above described packing box, and described centering rod can move along the axis direction of described centering rod.
Alternatively, described centering rod is jackscrew,
Described centering assembly also includes jackscrew guide pipe, and described jackscrew is arranged in described jackscrew guide pipe.
Alternatively, described jackscrew is provided with flexible joint towards one end of described polished rod, and described flexible joint can rotate with the axis of described jackscrew for axle.
Alternatively, described flexible joint includes pipe and arc-like sheet, and one end of described pipe is connected with the top of described arc-like sheet,
Described pipe is flexibly connected with described jackscrew, and can rotate with the axis of described jackscrew for axle.
Alternatively, described fixation kit includes ring set and floor, and described ring set is connected with described floor,
The axis of described ring set is parallel with described packing box axis;
Described floor is connected with described guide pipe.
Alternatively, described ring set includes the first semi-ring and the second semi-ring,
The outside of described first semi-ring is connected with described floor;
Described first semi-ring is connected with described the second half collar bolts.
Alternatively, the other end of described jackscrew is provided with rocking bar, and the axis of described rocking bar is vertical with the axis of described jackscrew.
The technical scheme that this utility model embodiment provides has the benefit that
By fixation kit, centering assembly is connected with packing box, again through the centering rod polish rod in the centering assembly being connected with fixation kit to adjust polished rod, make the axis of polished rod and the dead in line of packing box, solve light pipe the problem being adjusted polished rod damaging polished rod surface of being bitten by pipe wrench in correlation technique. The axis that polished rod under the premise not damaging polished rod, can be made and packing box dead in line are reached.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of polished rod centralising device shown in this utility model embodiment;
Fig. 2-1 is the structural representation of the another kind of polished rod centralising device shown in this utility model embodiment;
Fig. 2-2 is the top view of part-structure in Fig. 2-1 polished rod centralising device illustrated;
Fig. 2-3 is the structural representation of Fig. 2-1 polished rod centralising device middle ring sleeve illustrated.
By above-mentioned accompanying drawing, it has been shown that the embodiment that this utility model is clear and definite, will there is more detailed description hereinafter. These accompanying drawings and word describe the scope being not intended to be limited this utility model design by any mode, but by concept of the present utility model being described with reference to specific embodiment for those skilled in the art.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of polished rod centralising device shown in this utility model embodiment, and this polished rod centralising device can be used in polished rod is carried out centering. This polished rod centralising device may include that
Fixation kit 11 and centering assembly 12, fixation kit 11 is connected with centering assembly 12.
Centering assembly 12 can pass through fixation kit 11 and be connected with packing box (not shown in figure 1).
Centering assembly 12 includes centering rod 121, and the axis x of centering rod 121 is vertical with the axis y of packing box and runs through the polished rod (not shown in figure 1) above packing box, and centering rod 121 can move along the axis direction of centering rod 121.
In sum, the polished rod centralising device that this utility model embodiment provides, by fixation kit, centering assembly is connected with packing box, again through the centering rod polish rod in the centering assembly being connected with fixation kit to adjust polished rod, make the axis of polished rod and the dead in line of packing box, solve light pipe the problem being adjusted polished rod damaging polished rod surface of being bitten by pipe wrench in correlation technique. The axis that polished rod under the premise not damaging polished rod, can be made and packing box dead in line are reached.
Further, refer to Fig. 2-1, it illustrates the structural representation of the another kind of polished rod centralising device that this utility model embodiment provides, this polished rod centralising device adds preferred parts on the basis of the polished rod centralising device shown in Fig. 1, so that the polished rod centralising device that this utility model embodiment provides has better performance.
Alternatively, centering rod 121 is jackscrew, and centering assembly 12 also includes jackscrew guide pipe 122, and jackscrew 121 is arranged in jackscrew guide pipe 122. When jackscrew 121 rotates in jackscrew guide pipe 12, it is possible to move in the direction along the axis x of jackscrew 121, and polish rod G. The direction of axis x is the length direction of axis x.
Alternatively, jackscrew 121 is provided with flexible joint h, flexible joint h and can rotate for axle with the axis x of jackscrew 121 towards one end of polished rod G. When flexible joint h is connected on polished rod G, when rotation jackscrew 121 carrys out polish rod G, flexible joint h can keep and the geo-stationary of polished rod G, it is to avoid polished rod G causes damage, extends the service life of polished rod G.
Alternatively, flexible joint h includes pipe h1 and arc-like sheet h2, and one end of pipe h1 is connected with the top of arc-like sheet h2, and pipe h1 is flexibly connected with jackscrew 121, and can rotate with the axis x of jackscrew 121 for axle. Wherein, pipe h1 can be steel pipe pipe nipple. Arc-like sheet h2 can make flexible joint h better abut with polished rod G, reduces the damage to polished rod G, extends the service life of polished rod G.
As shown in Fig. 2-2, it is the top view of the part-structure of polished rod centralising device shown in 2-1, and wherein arc-like sheet h2 is connected on polished rod G, and pipe h1 is connected with arc-like sheet h2, and jackscrew 121 is flexibly connected with pipe h1, jackscrew 121 traverse jackscrew guide pipe 122.
In Figure 2-1, fixation kit includes ring set 111 and floor 112, and ring set 111 is connected with floor 112, and the axis of ring set 111 is parallel with the axis of packing box P, optionally, the dead in line of the axis of ring set 111 and packing box P, it is y. It should be noted that fixation kit can also to be attached with packing box by other structure, this utility model embodiment repeats no more.
Floor 112 is connected with guide pipe 122. Optionally, floor 112 can weld with guide pipe 122.
Alternatively, ring set 111 includes the first semi-ring 111a and the second semi-ring 111b, and the outside of the first semi-ring 111a is connected with floor 112, and optionally, the outside of the first semi-ring 111a can be welded with floor 112. Floor 112 can be deep floor.
First semi-ring 111a and the second semi-ring 111b bolt connect. Packing box P can be clamped by the first semi-ring 111a and the second semi-ring 111b below the screw thread s of packing box P, and constitutes bolt connection, and polished rod centralising device and packing box this utility model embodiment to be provided are fixed. As Figure 2-3, it is the top view of Fig. 2-1 middle ring sleeve 111, and wherein the first semi-ring 111a and the second semi-ring 111b bolt connect. First semi-ring 111a and the second semi-ring 111b can also be connected by other connected mode, such as riveted joint and pin joint etc.
In Figure 2-1, one end away from polished rod G of jackscrew 121 is provided with rocking bar 13, and the axis z of rocking bar 13 is vertical with the axis x of jackscrew 121. Jackscrew 121 polish rod G just can be rotated easily with the axis x of jackscrew 121 for axle pivots rocker 13. Rocking bar 13 can facilitate operator to rotate jackscrew 121, and coordinating by rocking bar 13 and jackscrew 121, the strength making jackscrew 121 polish rod G is relatively big, accelerates centering (axis of polished rod and the packing box dead in line) operation of polished rod G, improves oil well and produce efficiency.
It should be added that, the polished rod centralising device that this utility model embodiment provides, by being set to jackscrew by centering rod, and jackscrew is arranged in guide pipe, enable jackscrew to move along its axis direction, and promote light pipe, reach to facilitate the effect of polish rod.
It should be added that, the polished rod centralising device that this utility model embodiment provides, by arranging flexible joint towards one end of polished rod at jackscrew, and flexible joint can rotate with the axis of jackscrew for axle, make jackscrew when rotating also polish rod, the effect of polished rod will not be damaged.
It should be added that the polished rod centralising device that this utility model embodiment provides, by arranging arc-like sheet on flexible joint, enables flexible joint better to abut with polished rod, and further reduction polish rod time damage to polished rod.
It should be added that the polished rod centralising device that this utility model embodiment provides, by arranging rocking bar at jackscrew away from one end of polished rod, has reached to facilitate the effect of polish rod.
In sum, the polished rod centralising device that this utility model embodiment provides, by fixation kit, centering assembly is connected with packing box, again through the centering rod polish rod in the centering assembly being connected with fixation kit to adjust polished rod, make the axis of polished rod and the dead in line of packing box, solve light pipe the problem being adjusted polished rod damaging polished rod surface of being bitten by pipe wrench in correlation technique. The axis that polished rod under the premise not damaging polished rod, can be made and packing box dead in line are reached.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (7)
1. a polished rod centralising device, it is characterised in that described polished rod centralising device includes:
Fixation kit and centering assembly, described fixation kit is connected with described centering assembly;
Described centering assembly can pass through described fixation kit and be connected with packing box;
Described centering assembly includes centering rod, and the axis of described centering rod is vertical with the axis of described packing box and runs through the polished rod above described packing box, and described centering rod can move along the axis direction of described centering rod.
2. polished rod centralising device according to claim 1, it is characterised in that described centering rod is jackscrew, described centering assembly also includes jackscrew guide pipe, and described jackscrew is arranged in described jackscrew guide pipe.
3. polished rod centralising device according to claim 2, it is characterised in that
Described jackscrew is provided with flexible joint towards one end of described polished rod, and described flexible joint can rotate with the axis of described jackscrew for axle.
4. polished rod centralising device according to claim 3, it is characterised in that described flexible joint includes pipe and arc-like sheet, and one end of described pipe is connected with the top of described arc-like sheet,
Described pipe is flexibly connected with described jackscrew, and can rotate with the axis of described jackscrew for axle.
5. polished rod centralising device according to claim 2, it is characterised in that described fixation kit includes ring set and floor, and described ring set is connected with described floor,
The axis of described ring set is parallel with described packing box axis;
Described floor is connected with described guide pipe.
6. polished rod centralising device according to claim 5, it is characterised in that described ring set includes the first semi-ring and the second semi-ring,
The outside of described first semi-ring is connected with described floor;
Described first semi-ring is connected with described the second half collar bolts.
7. polished rod centralising device according to claim 3, it is characterised in that the other end of described jackscrew is provided with rocking bar, the axis of described rocking bar is vertical with the axis of described jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106563.5U CN205297397U (en) | 2015-12-26 | 2015-12-26 | Polished rod centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106563.5U CN205297397U (en) | 2015-12-26 | 2015-12-26 | Polished rod centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297397U true CN205297397U (en) | 2016-06-08 |
Family
ID=56474038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106563.5U Active CN205297397U (en) | 2015-12-26 | 2015-12-26 | Polished rod centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181472A (en) * | 2016-08-09 | 2016-12-07 | 中船桂江造船有限公司 | Jackscrew frock |
-
2015
- 2015-12-26 CN CN201521106563.5U patent/CN205297397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181472A (en) * | 2016-08-09 | 2016-12-07 | 中船桂江造船有限公司 | Jackscrew frock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205572228U (en) | Pipeline clamping device | |
| CN204528595U (en) | A kind of axle sleeve gripping feedway | |
| CN104475940B (en) | A kind of pile pipe submerged-arc automatic welding device | |
| CN104723013A (en) | Overhead pipeline welding stand | |
| CA2545872A1 (en) | A power tong | |
| CN202106177U (en) | Steel band reinforced PE (Polyethylene) helical bellows connecting-supporting device | |
| CN205297397U (en) | Polished rod centering device | |
| CN204416943U (en) | Cable sister block tackle arrangement | |
| CN108889529A (en) | A kind of high-pressure electrostatic ultrasonic intelligent robot spray apparatus | |
| CN107650070A (en) | A kind of cam shaft bush dismantling device of diesel engine | |
| CN104625547A (en) | Welding tool for small-diameter barrel and connecting pipe | |
| CN207509039U (en) | A kind of derusting device | |
| CN204584639U (en) | A kind of aerial pipeline welding stand | |
| CN217316775U (en) | Mechanism for installing elastic rubber ring on buffer roller | |
| CN105665401A (en) | Petroleum drill pipe supporting mechanism | |
| CN104005780A (en) | Device for disassembling/assembling hydraulic support stand column guide sleeve under mine | |
| CN201358726Y (en) | Electroplated pumping rod electrode bar | |
| CN204419080U (en) | The floating type iron driller of a kind of compact | |
| CN212170270U (en) | U-shaped pin dismounting device | |
| CN204711977U (en) | A kind of auxiliary mould for the assembling of industrial robot spring balancing cylinder | |
| CN107716359A (en) | A kind of construction modeling pipe outer ring screw thread cleaning plant | |
| CN211193734U (en) | Natural gas line docks auxiliary fixtures with adjustable | |
| CN105905817A (en) | Pipe lifting device based on improvement of balance degree | |
| CN2865093Y (en) | Universal fixing draw-in gear for communication cable | |
| CN207563964U (en) | A kind of pipeline the service of connection devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |