CN2690566Y - Distmantling device for hydraulic seperating oil pumping rod centering guide - Google Patents
Distmantling device for hydraulic seperating oil pumping rod centering guide Download PDFInfo
- Publication number
- CN2690566Y CN2690566Y CN 200420047566 CN200420047566U CN2690566Y CN 2690566 Y CN2690566 Y CN 2690566Y CN 200420047566 CN200420047566 CN 200420047566 CN 200420047566 U CN200420047566 U CN 200420047566U CN 2690566 Y CN2690566 Y CN 2690566Y
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- China
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- oil pumping
- pumping rod
- hydraulic
- jack
- centering device
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Abstract
The utility model provides a dismantling device for the hydraulic separable oil pumping rod centering guide for installing and dismantling an insert buckle type centering guide on an oil pumping rod. The utility model mainly solves the problem of no special tools for installing and dismantling the insert buckle type centering guide in the prior art. The utility model is characterized in that a top plate (3) which is vertical with the piston rod of a single direction jack (1) in the shaft direction is fixed on the piston rod of the single direction jack (1). Two connecting bodies (5) are fixed on a body case along the shaft direction. The two connecting bodies (5) are symmetrical to a vertical surface which passes through the shaft line of the jack (1) and is vertical with a horizontal surface. Thread holes are opened on the connecting bodies (5). The base plates (6) which are provided with upper stop concave slots (7) and lower stop concave slots (8) with the same structure and shape are symmetrically fixed on the two connecting bodies (5) through connecting bolts. The utility model has the characteristics that the oil pumping rod centering guide can be accurately and rapidly installed and dismantled, the working efficiency is improved, and hardness injury for the oil pumping rod can not be caused.
Description
Technical field:
The utility model relates to a kind of special tool that is used for installation or removal eye-splice-type centralizer on sucker rod, specifically relates to a kind of by the hydraulic pressure separate type oil pumping rod centering device replacer of hydraulic mechanism as power source.
Background technology:
In the oil field machinery oil field, polymer displacement of reservoir oil technology is widely used.In this technology, replaced water in traditional mechanical oil production technology with high molecular polymers such as polyacrylamides, promptly use chemical solvent that crude oil is flushed out in subterranean strata, by oil pumper these oily liqs are extracted into ground by the down-hole then, again after the water-oil separating PROCESS FOR TREATMENT, crude oil is collected, and heavily inject water underground.Because high molecular polymers such as polyacrylamide have bigger viscosity, when this just causes sucker rod to move up and down, can be subjected to certain resistance in sleeve pipe, because the effect of this resistance, sucker rod easily bends when moving up and down, this bending very easily grind away sucker rod and oil well casing.In order to address this problem, way commonly used at present is to lay a kind of device that is known as oil pumping rod centering device on the appropriate location of sucker rod, this centralizer mainly is to be made of rigid plastics, its hardness is little more a lot of than the hardness of oil well casing and sucker rod, therefore can not cause rigid damage to oil well casing and sucker rod.The eccentric wear of sleeve pipe and sucker rod can not take place in sucker rod in the course of the work that have centralizer, and all wearing and tearing will be born by centralizer.Generally, through after a while, sucker rod be pulled out the centralizer that to be worn above it and all take off replacing from sleeve pipe, but, make that the operating efficiency of this work is very low owing to there is not the instrument of special dismounting centralizer.The most frequently used a kind of oil pumping rod centering device is a kind of eye-splice-type centralizer at present, this kind centralizer is made up of two halves up and down, be plugged on together by slot, dismounting and installation to this centralizer, the method that the workpeople generally adopts is to use hand hammer, spanner etc. to carry out percussive and installs, the time then use sledgehammer that the plastics centralizer is imposed bang in dismounting, until setting upright be crashed to pieces back and coming off of body.Under this dismounting mode that does not have a special tool, to centralizer install and the efficient of dismounting very low, and the strike of weights such as hand hammer, spanner and even sledgehammer falls on the sucker rod very easily partially, causes the infringement to sucker rod; In addition, the workpeople is easy to the hand of oneself is injured by a crashing object in operating process, causes a series of problems of affects safety production.
The utility model content:
Cause operating efficiency lowly and easily to the hurtful deficiency of sucker rod in order to overcome the nothing installation and removal eye-splice-type centralizer special tool that exists in the prior art, the utility model provides a kind of hydraulic pressure separate type oil pumping rod centering device replacer, this kind hydraulic pressure separate type oil pumping rod centering device replacer has the advantages that fast, accurately to mount and dismount oil pumping rod centering device, improved operating efficiency and can not cause rigid damage, reliably guaranteed the personal safety of operative employee people when carrying out work in addition sucker rod.
The technical solution of the utility model is: this kind hydraulic pressure separate type oil pumping rod centering device replacer, comprise hydraulic pump, unidirectional jack, blend stop, wherein be fixed with on the piston rod of unidirectional jack one with its axial perpendicular top board, at its housing upper edge axial restraint two connectors are arranged, described these two connectors be symmetrical in through jin apical axis line too and with the perpendicular vertical plane of horizontal plane.Because under normal conditions, the diameter of sucker rod is less than the diameter of jack, therefore for saving manufacturing cost, the air line distance between the connector of two symmetries should be limited within the diameter range that is slightly larger than sucker rod.On connector, have some screwed holes, have the retaining groove respectively and then be symmetrically fixed on two connectors by connecting bolt with the identical bed plate of two block structures that keeps off groove down.
The utlity model has following beneficial effect: owing to take the hydraulic pressure separate type oil pumping rod centering device replacer of such scheme to adopt hydraulic mechanism as Powerpush Unit, make the socket type centralizer at the uniform velocity to be pushed slot by top board or by releasing in the slot along the bed plate of horizontal positioned, therefore its speed is uniform in the installation and removal process of whole centralizer, the position of bearing the hydraulic thrust of being come by the top board transmission on centralizer body is accurately, guaranteed that centralizer is installed and the accuracy of dismounting, improved operating efficiency, avoided the damage that sucker rod causes for the installation or removal error because of the people and the injury that may cause, guaranteed safety in production operator's person; In addition, the bed plate of changing differing heights can make the oil pumping rod centering device replacer described in the technical program be applicable to centralizer on the installation or removal all size sucker rod, has improved the relevance factor of this product, has reduced the cost of production of oil field machinery oil.
Description of drawings:
Accompanying drawing 1 is a stereoscopic schematic diagram of the present utility model;
Accompanying drawing 2 is to use the course of work schematic diagram that the utility model is installed centralizer;
Accompanying drawing 3 is course of work schematic diagrames of using the utility model dismounting centralizer.
The unidirectional jack of 1-among the figure, the 2-hydraulic pump, the 3-top board, the 4-blend stop, the 5-connector, the 6-bed plate, the last retaining of 7-groove, 8-be the retaining groove down, and 9-has the first half centralizer body of tongue, and 10-has the Lower Half centralizer body of groove.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this kind hydraulic pressure separate type oil pumping rod centering device replacer, comprise hydraulic pump 2, unidirectional jack 1, blend stop 4, wherein on the piston rod of unidirectional jack 1, be fixed with one with its axial perpendicular top board 3, this top board 3 can be made shape as shown in fig. 1, promptly semicircle and rectangular combination shape, this shape is convenient to make the hydraulic thrust from piston rod evenly to be delivered on the centralizer body.At housing upper edge axial restraint two connectors 5 are arranged, described two connectors 5 be symmetrical in through jack 1 central axis and with the perpendicular vertical plane of horizontal plane, on connector 5, have screwed hole, having retaining groove 7 respectively is symmetrically fixed on two connectors 5 by connecting bolt with the two block structures bed plate 6 identical with shape that keeps off groove 8 down, certainly, two bed plates will have suitable height and can satisfy the requirement for height of laying the sucker rod that has centralizer to guarantee the vertical distance between jack and ground.
Because in the installation and removal process, blend stop 4 is to place retaining groove 7 and the groove that keeps off groove 8 down respectively, and there is not the situation that is used simultaneously in two retaining grooves.Therefore be the manufacturing cost and the practicality of saving instrument, can select the described retaining groove 7 of going up is made the identical groove of cross sectional shape with following retaining groove 8, so only need to be equipped with the work that a blend stop can be finished installation and dismounting.
For making blend stop 4 can bear the horizontal hydraulic pressure thrust that passes over by centralizer preferably, should make the cross sectional shape of blend stop 4 and the cross sectional shape of last retaining groove 7 and following retaining groove 8 match, only need leave some fit clearances, so that the laying and taking out of blend stop, in this case, blend stop 4 can be in groove play.In addition, because the plane has the effect of transmitting horizontal direction power preferably,, the cross sectional shape of blend stop 4 all has actual effect preferably so being set at square or rectangular.
Be the explanation of the utility model when carrying out actual use below:
When carrying out the installation of eye-splice-type oil pumping rod centering device, as shown in Figure 2, at first blend stop 4 is placed retaining groove 7, the Lower Half centralizer body 10 that will have groove then is enclosed within on the sucker rod, live sucker rod and centralizer body with hand rest, make the sucker rod level between two bottom blocks 6, the body of rod of sucker rod places on the blend stop 4, and the upper surface of Lower Half centralizer body 10 and blend stop 4 large tracts of land as much as possible contact; The first half centralizer body 9 that will have tongue is placed on the sucker rod, and its tongue aligns mutually with the groove of Lower Half centralizer body 10; Close the pressure-relief valve on the hydraulic hand-pump 2, the speed handle that begins then to lift on the hydraulic hand-pump 2 is given unidirectional jack 1 pressurization, and the piston of unidirectional jack inside begins to move ahead; Be installed on top board 3 on the piston rod will have a tongue under the effect of horizontal hydraulic pressure thrust first half centralizer body 9 along continuous straight runs and slowly push the Lower Half centralizer body 10 that has groove.When the piston of unidirectional jack inside moved to limit position, the top board under piston rod promotes stopped to move, and at this moment, first half centralizer body 9 is just in time finished with Lower Half centralizer body 10 and closely cooperated.Certainly, the perfect degree of this cooperation will depend on the selection between the length of the position of the stroke of piston rod and last retaining groove and centralizer body.
After installing, open the pressure-relief valve on the hydraulic hand-pump, self-return under the jack effect of portion's back-moving spring within it then is in order to the usefulness of task down.
When carrying out the dismounting of eye-splice-type oil pumping rod centering device, its process then as shown in Figure 3, at first blend stop 4 is inserted in the following retaining groove 8 on two bottom blocks 6, the sucker rod that will be fixed with centralizer then inserts between two bottom blocks, make Lower Half centralizer body 10 be positioned at the upper end with groove, make first half centralizer body 9 be positioned at the lower end with tongue, and the one side end face is contacted with blend stop 4, operating process during after this with installation is identical, Lower Half centralizer body 10 leaves first half centralizer body 9 gradually under the effect of horizontal hydraulic pressure thrust, finally reach the purpose of dismounting centralizer body.
When reality is used, can select to change the bottom block of differing heights, the sucker rod of different specification size and eye-splice-type centralizer can be suitable for the utility model and mount and dismount like this, have improved operating efficiency greatly and have reduced cost of production.
Claims (5)
1, a kind of hydraulic pressure separate type oil pumping rod centering device replacer, comprise hydraulic pump (2), unidirectional jack (1), blend stop (4), it is characterized in that: be fixed with on the piston rod of unidirectional jack (1) one with its axial perpendicular top board (3), housing upper edge axial restraint has two connectors (5), described two connectors (5) are symmetrical in through axis and the vertical plane vertical with horizontal plane of jack (1), connector has screwed hole on (5), has retaining groove (7) respectively and is symmetrically fixed on two connectors (5) by connecting bolt with the two block structures bed plate (6) identical with shape that keeps off groove (8) down.
2, hydraulic pressure separate type oil pumping rod centering device replacer according to claim 1 is characterized in that: the described retaining groove (7) of going up is identical with the groove cross sectional shape that keeps off groove (8) down.
3, hydraulic pressure separate type oil pumping rod centering device replacer according to claim 2 is characterized in that: the cross sectional shape of the cross sectional shape of blend stop (4) and last retaining groove (7) and following retaining groove (8) matches
4, hydraulic pressure separate type oil pumping rod centering device replacer according to claim 3, it is characterized in that: the cross sectional shape of blend stop (4) is square.
5, according to claim 1,2,3 or 4 described hydraulic pressure separate type oil pumping rod centering device replacers, it is characterized in that: hydraulic pump (2) is a hydraulic hand-pump, is connected by the hydraulic oil pipe that has snap joint between hydraulic pump (2) and the unidirectional jack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047566 CN2690566Y (en) | 2004-04-05 | 2004-04-05 | Distmantling device for hydraulic seperating oil pumping rod centering guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047566 CN2690566Y (en) | 2004-04-05 | 2004-04-05 | Distmantling device for hydraulic seperating oil pumping rod centering guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2690566Y true CN2690566Y (en) | 2005-04-06 |
Family
ID=34672066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420047566 Expired - Fee Related CN2690566Y (en) | 2004-04-05 | 2004-04-05 | Distmantling device for hydraulic seperating oil pumping rod centering guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2690566Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281623A (en) * | 2018-10-17 | 2019-01-29 | 中国石油化工股份有限公司 | Oil pumping rod centering device hydraulic withdrawal pincers |
| CN109441370A (en) * | 2018-10-23 | 2019-03-08 | 大庆宏富来电气设备制造有限公司 | A kind of centralizer of convenient and efficient dismounting |
| CN111331347A (en) * | 2020-04-17 | 2020-06-26 | 赵金明 | Hydraulic sucker rod centralizer mounting and dismounting tool |
-
2004
- 2004-04-05 CN CN 200420047566 patent/CN2690566Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281623A (en) * | 2018-10-17 | 2019-01-29 | 中国石油化工股份有限公司 | Oil pumping rod centering device hydraulic withdrawal pincers |
| CN109281623B (en) * | 2018-10-17 | 2020-04-10 | 中国石油化工股份有限公司 | Hydraulic dismantling pliers for sucker rod centralizer |
| CN109441370A (en) * | 2018-10-23 | 2019-03-08 | 大庆宏富来电气设备制造有限公司 | A kind of centralizer of convenient and efficient dismounting |
| CN109441370B (en) * | 2018-10-23 | 2020-12-08 | 大庆宏富来电气设备制造有限公司 | Centralizer convenient and fast to disassemble and assemble |
| CN111331347A (en) * | 2020-04-17 | 2020-06-26 | 赵金明 | Hydraulic sucker rod centralizer mounting and dismounting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |