CN201738838U - Drill rod centering device - Google Patents
Drill rod centering device Download PDFInfo
- Publication number
- CN201738838U CN201738838U CN2010202360969U CN201020236096U CN201738838U CN 201738838 U CN201738838 U CN 201738838U CN 2010202360969 U CN2010202360969 U CN 2010202360969U CN 201020236096 U CN201020236096 U CN 201020236096U CN 201738838 U CN201738838 U CN 201738838U
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- CN
- China
- Prior art keywords
- clamping device
- connecting rod
- driving
- strutting arrangement
- bracing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a drill rod centering device which comprises a supporting device (10), a driving device (1) and a guiding device (7) arranged on the supporting device (10), a first clamping device (9) and a second clamping device (8) which can slide in the guiding device (7), wherein the driving device (1) is used for driving the first clamping device (9) and the second clamping device (8). The centering device adopts one driving device for driving the first clamping device and the second clamping device, effectively solves the problem that in the prior art, two driving devices are adopted for driving the first clamping device and the second clamping device, thus causing time difference; further, the first clamping device and the second clamping device are driven by one driving device, therefore, the drill rods are subjected to equal thrust force, and two sides of each drill rod are stressed uniformly, thus saving time and labor, enabling the labor intensity to be low, and being safe, rapid, simple and convenient.
Description
Technical field
The utility model belongs to oil drilling and extracting equipment and makes the field, is specifically related to a kind of device that is used to set upright drilling rod centering.
Background technology
In the petroleum drilling and mining process, need in rat hole, be connected into thribble or thribble be unloaded into single single usually, set upright with centering drilling rod.Traditional erection device mainly comprises bracing or strutting arrangement, be arranged on this bracing or strutting arrangement and rotating first clamping device and second clamping device and two drive units respectively above-mentioned first clamping device and second clamping device being driven; In the time need setting upright the centering of drilling rod, above-mentioned two drive units promote first clamping device from both sides respectively and second clamping device moves to the rat hole center, providing certain clamping force to drilling rod, thereby realize setting upright drilling rod centering.
The erection device of said structure is because two drive units exist the regular hour poor when driving first clamping device and second clamping device easily; and the situation that two clamping devices differ in size to the thrust of drilling rod can appear usually; cause drilling rod both sides unbalance stress, therefore can not set upright centering accurately.
The utility model content
At above-mentioned deficiency, the utility model provides a kind of device that can accurately set upright drilling rod centering.
Technical problem to be solved in the utility model is achieved through the following technical solutions: 1. drilling rod centering erection device, comprise bracing or strutting arrangement, be arranged at drive unit and guiding device on the described bracing or strutting arrangement, can be along first clamping device and second clamping device of described guiding device slip, it is characterized in that: described drive unit drives described first clamping device and described second clamping device by connecting rod executing agency, described connecting rod executing agency comprises first connecting rod and second connecting rod, described first connecting rod, one end of described second connecting rod respectively with described first clamping device, described second clamping device is fixedly connected and can be along first gathering sill that is arranged on the described bracing or strutting arrangement, second gathering sill slides, the other end jointly by with respect to described bracing or strutting arrangement slidably the connecting rod connector fixedly connected with described drive unit;
Described bracing or strutting arrangement is provided with slideway, and described connecting rod connector slides with respect to described bracing or strutting arrangement by described slideway.
The utility model provides a kind of drilling rod centering erection device, this erection device comprises bracing or strutting arrangement, be arranged at drive unit on the described bracing or strutting arrangement and guiding device, can slide along institute's guiding device first clamping device and second clamping device, described erection device adopts same driving that first clamping device, second clamping device are driven, effectively overcome available technology adopting two drive units and driven the time difference problem that first clamping device and second clamping device cause, it is not eccentric to have guaranteed that first clamping device and second clamping device move simultaneously; Further be, above-mentioned first clamping device and second clamping device provide power by same drive unit, thereby it is to the thrust equal and opposite in direction of drilling rod, the drilling rod both sides stressed evenly, guaranteed accurate positioning, time saving and energy saving, labour intensity is little, and safety is fast, easy.
Description of drawings
Fig. 1 is the structural representation of the described drilling rod centering of the utility model embodiment erection device.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of drilling rod centering erection device, comprise bracing or strutting arrangement 10, be arranged in the drive unit 1(present embodiment on the described bracing or strutting arrangement 10 and adopt oil cylinder as drive unit) and guiding device 7, can be along first clamping device 9 and second clamping device 8 of described guiding device 7 slips, 1 pair of described first clamping device 9 of described drive unit and described second clamping device 8 drive; Described drive unit 1 drives by 4 pairs of described first clamping devices 9 of connecting rod executing agency and described second clamping device 8; Described connecting rod executing agency 4 comprises first connecting rod 4-1 and second connecting rod 4-2, the end of described first connecting rod 4-1, second connecting rod 4-2 is fixedlyed connected with described first clamping device 9, described second clamping device 8 respectively and first gathering sill 5 that can be on being arranged at described bracing or strutting arrangement 10, second gathering sill 6 in slide, the other end jointly by with respect to bracing or strutting arrangement 10 slidably connecting rod connector 2 fixedly connected with described drive unit 1; Described bracing or strutting arrangement 10 is provided with slideway 3, and described connecting rod connector 2 slides with respect to described bracing or strutting arrangement 10 by this slideway 3.
During actual the use, this erection device is fixed on the rat hole of rig floor face, piston as the oil cylinder of described drive unit 1 stretches out, drive the upwards motion in described slideway 3 of described connecting rod connector 2, drive described second clamping device 8 when described second connecting rod 4-2 slides and clockwise rotate around its lower tail 8-1 this moment in described gathering sill 6, make the last front end curved portions 8-2 of described second clamping device 8 away from rat hole center 13, slide to the right in described guiding device 7 at the middle part 8-3 on second clamping device 8 described in this process, rotate counterclockwise thereby drive described second clamping device 8 afterbody 8-4 on it, make its lower front end curved portions 8-5 away from rat hole center 13; In like manner, described first clamping device 9 is also in the same way away from rat hole center 13; When described first clamping device 9 and described second clamping device 8 move to suitable position, the piston of oil cylinder stops, in rat hole center 13, put into drilling rod, the piston of oil cylinder bounces back then, thereby drive the motion downwards in described slideway 3 of described connecting rod connector 2, this moment, the movement locus of movement locus with away from described rat hole center 13 time of described second connecting rod 4-2, described second clamping device 8 was reverse, and upper and lower front end curved portions 8-2, the 8-5 of described second clamping device 8 is near rat hole center 13; In like manner, described first clamping device 9 is also close towards rat hole center 13 in the same way, when described first clamping device 9 contacts with drilling rod with described second clamping device 8 and certain clamping force is provided, just can play the effect of setting upright to drilling rod centering, because described first clamping device 9 and described second clamping device 8 are to drive by same drive unit 1, therefore guaranteed that the stressed size in drilling rod both sides is impartial, and life period is not poor, centering is accurately set upright to drilling rod.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. drilling rod centering erection device, comprise bracing or strutting arrangement (10), be arranged at drive unit (1) and guiding device (7) on the described bracing or strutting arrangement (10), can be along first clamping device (9) and second clamping device (8) of described guiding device (7) slip, it is characterized in that: described drive unit (1) drives described first clamping device (9) and described second clamping device (8) by connecting rod executing agency (4), described connecting rod executing agency (4) comprises first connecting rod (4-1) and second connecting rod (4-2), described first connecting rod (4-1), one end of described second connecting rod (4-2) respectively with described first clamping device (9), described second clamping device (8) is fixedly connected and can be along first gathering sill (5) that is arranged on the described bracing or strutting arrangement (10), second gathering sill (6) slides, the other end jointly by with respect to described bracing or strutting arrangement (10) slidably connecting rod connector (2) fixedly connected with described drive unit (1).
2. drilling rod centering erection device as claimed in claim 1, it is characterized in that: described bracing or strutting arrangement (10) is provided with slideway (3), and described connecting rod connector (2) slides with respect to described bracing or strutting arrangement (10) by described slideway (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360969U CN201738838U (en) | 2010-06-24 | 2010-06-24 | Drill rod centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360969U CN201738838U (en) | 2010-06-24 | 2010-06-24 | Drill rod centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201738838U true CN201738838U (en) | 2011-02-09 |
Family
ID=43554116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202360969U Expired - Fee Related CN201738838U (en) | 2010-06-24 | 2010-06-24 | Drill rod centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201738838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863783A (en) * | 2019-11-30 | 2020-03-06 | 孙庆云 | Sucker rod centralizer convenient to installation |
-
2010
- 2010-06-24 CN CN2010202360969U patent/CN201738838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863783A (en) * | 2019-11-30 | 2020-03-06 | 孙庆云 | Sucker rod centralizer convenient to installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150624 |
|
| EXPY | Termination of patent right or utility model |