CN205477421U - Integral rib centralizer of punching press - Google Patents
Integral rib centralizer of punching press Download PDFInfo
- Publication number
- CN205477421U CN205477421U CN201620078289.3U CN201620078289U CN205477421U CN 205477421 U CN205477421 U CN 205477421U CN 201620078289 U CN201620078289 U CN 201620078289U CN 205477421 U CN205477421 U CN 205477421U
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- China
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- rib
- straight tube
- righting mechanism
- abrasionproof
- punching press
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Abstract
The utility model discloses an integral rib centralizer of punching press, including pushing up spacing hoop, rightting the mechanism, selling the axle, rotating wheel and straight tube, it has the abrasionproof rib to right the establishment of institution, the quantity of abrasionproof rib is eight, the abrasionproof rib is right trapezoid structure and the right angle is located the top, the abrasionproof rib evenly distributed be in right mechanism's surface, the surface of abrasionproof rib is provided with the groove of slope, all the surface of abrasionproof rib groove inclination is the same, there is the circular bead on the screw thread of straight tube lower part. Compared with the prior art, the utility model, have following advantage and effect: wearing and tearing gently can not cause the damage. It can rotate on the straight tube to set upright or straight the mechanism, goes into the rotation that oil pipe in the well can be free and relaxed below, can satisfy the job requirements who rotates oil pipe.
Description
Technical field
This utility model relates to a kind of punching press monoblock type rib centralizer, is the one of straight tube centralizer, belongs to the downhole tool of oil field deep well, inclined shaft or horizontal well.
Background technology
Casing stabbing board is mainly used in the righting of straight tube in oil-water well inclined shaft.During drilling oil and natural gas well, toward one hole of underground drilling, then cement will be filled up to the annular space in hole and between sleeve pipe and hole under sleeve pipe.When cement fills up this annular space, sleeve pipe to be kept substantially is in the center in hole.At present, the mode of casing centering uses the way welding righting strip on sleeve pipe.During this centralizer easy produced problem, the righting strip support force of centralizer is inadequate, and when causing cementing the well, sleeve pipe is inadequate at well centralizer, reduces cementing quality, can cause serious consequences such as cementing the well unsuccessfully, well head is scrapped when bias is the biggest.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of reasonable in design, it is possible to resist abrasion, the punching press monoblock type rib centralizer of raising intensity.
nullThe technical scheme in the invention for solving the above technical problem is: this punching press monoblock type rib centralizer includes pushing up position-limited hoop、Righting mechanism、Bearing pin、Rotate wheel and straight tube，Described righting mechanism is provided with abrasionproof rib，The quantity of described abrasionproof rib is eight pieces，Described abrasionproof rib be ladder structure of right angle and right angle above，Described abrasionproof rib is evenly distributed on described righting mechanism outer surface，The surface configuration of described abrasionproof rib has the groove of inclination，The described angle of groove inclination degree on the surface of all described abrasionproof ribs all as，Shoulder is had on described straight tube lower thread，Righting mechanism is sleeved on straight tube，Position-limited hoop bottom, top couples with straight tube top，Righting mechanism bottom is spacing by the shoulder on straight tube lower thread，Righting mechanism top is spacing by pushing up position-limited hoop，Multiple vertical-shaped groove is had on righting mechanism，Vertical-shaped groove becomes circle distribution，Rotate in the vertical-shaped groove that wheel is on righting mechanism，Bearing pin is through in the centre bore rotating wheel，Bearing pin two ends are fixed on righting mechanism，Described bearing pin is provided with cross handle.
The outer surface of top described in the utility model position-limited hoop is provided with post, and described post is rubber.There is elastic reaction, directly prevent from touching.
Top described in the utility model position-limited hoop is additionally provided with depth-registering device.Can directly know the residing degree of depth, the length of contrast pipe, can be evaluated whether flexibility.
Top described in the utility model position-limited hoop is additionally provided with accelerograph.Acceleration-deceleration process can be recorded, improve the degree of accuracy controlled.
The outer surface of top described in the utility model position-limited hoop scribbles polyethylene layer.Keep surface antirust and improve service life.
Cavity is had in straight tube described in the utility model.Pressure can be resisted, improve pressure-bearing coefficient.
This utility model compared with prior art, has the following advantages and effect: light abrasion does not results in damage, improves the intensity of centralizer.Righting mechanism can rotate on straight tube, so the oil pipe of G.I.H can rotate easily, can meet the job requirements of rotation pipeline.
Accompanying drawing explanation
Fig. 1 is the structural representation of the punching press monoblock type rib centralizer of this utility model embodiment.
Label declaration: top position-limited hoop 1, righting mechanism 2, bearing pin 3, rotates wheel 4, slipping ring 5, straight tube 6, abrasionproof rib 7, post 8, cavity 9, shoulder 10.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are that this utility model is not limited to following example to explanation of the present utility model.
nullSee Fig. 1，The punching press monoblock type rib centralizer of the present embodiment includes pushing up position-limited hoop 1、Righting mechanism 2、Bearing pin 3、Rotate wheel 4、Slipping ring 5 and straight tube 6，Shoulder 10 is had on straight tube 6 lower thread，Righting mechanism 2 is sleeved on straight tube 6，Righting mechanism 2 can rotate on straight tube 6，Position-limited hoop 1 bottom, top couples with straight tube 6 top，Righting mechanism 2 bottom is spacing by the shoulder 10 on straight tube 6 lower thread，Righting mechanism 2 top is spacing by pushing up position-limited hoop 1，Righting mechanism 2 can only push up vibration between position-limited hoop 1 lower end and shoulder 10，Multiple vertical-shaped groove is had on righting mechanism 2，Vertical-shaped groove becomes circle distribution，Rotate in the vertical-shaped groove that wheel 4 is on righting mechanism 2，Bearing pin 3 is through in the centre bore rotating wheel 4，Rotate wheel 4 can rotate，Bearing pin 3 two ends are fixed on righting mechanism 2，The axis of bearing pin 3 is vertical with the axis of righting mechanism 2，But it is non-intersect.Rotate the circle diameter external diameter more than top position-limited hoop 1 of wheel 4 outer rim formation, rotate wheel when oil pipe removes from deep-well, inclined shaft or horizontal well and contact with straight tube.Righting mechanism 2 two ends endoporus has reaming section, installs slipping ring 5 in reaming section, and the oil pipe of G.I.H can rotate easily, can meet the job requirements of rotation pipeline, rotates and does not rotates between wheel 4 and straight tube, will not damage straight tube during rotation pipeline.Slipping ring 5 outer end is by pushing up position-limited hoop 1 lower end and shoulder 10 is spacing, and slipping ring 5 will not drop out from the reaming section of righting mechanism 2.
nullIn the present embodiment，Righting mechanism 2 is provided with abrasionproof rib 7，The quantity of abrasionproof rib 7 is eight pieces，Described abrasionproof rib 7 be ladder structure of right angle and right angle above，Abrasionproof rib 7 is evenly distributed on righting mechanism 2 outer surface，The surface configuration of abrasionproof rib 7 has the groove of inclination，The angle of groove inclination degree on the surface of all abrasionproof ribs 7 all as，Shoulder is had on straight tube 6 lower thread，Righting mechanism 2 is sleeved on straight tube 6，Position-limited hoop 1 bottom, top couples with straight tube 6 top，Righting mechanism 2 bottom is spacing by the shoulder on straight tube 6 lower thread，Righting mechanism 2 top is spacing by pushing up position-limited hoop 1，Multiple vertical-shaped groove is had on righting mechanism 2，Vertical-shaped groove becomes circle distribution，Rotate in the vertical-shaped groove that wheel 4 is on righting mechanism 2，Bearing pin 3 is through in the centre bore rotating wheel 4，Bearing pin 3 two ends are fixed on righting mechanism 2，Bearing pin 3 is provided with cross handle.
In the present embodiment, the outer surface of top position-limited hoop 1 is provided with post 8, and post 8 is rubber.There is elastic reaction, directly prevent from touching.
In the present embodiment, top position-limited hoop 1 is additionally provided with depth-registering device.Can directly know the residing degree of depth, the length of contrast pipe, can be evaluated whether flexibility.
In the present embodiment, top position-limited hoop 1 is additionally provided with accelerograph.Acceleration-deceleration process can be recorded, improve the degree of accuracy controlled.
In this enforcement, the outer surface of top position-limited hoop 1 scribbles polyethylene layer.Keep surface antirust and improve service life.
In the present embodiment, in straight tube 6, there is cavity 9.Pressure can be resisted, improve pressure-bearing coefficient.
When this utility model assembles, rotations is taken turns 4 through on bearing pin 3, then bearing pin 3 is fixed on righting mechanism 2, abrasionproof rib 7 is again secured on righting mechanism 2.Then righting mechanism 2 and slipping ring 5 being enclosed within straight tube 6 by the technique of punching press, shape of then being threadeded with straight tube 6 by top position-limited hoop 1 is integral, obtains punching press monoblock type rib centralizer.
Above content described in this specification is only to this utility model example explanation.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from the content of this utility model description or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (6)
- null1. punching press monoblock type rib centralizer，It is characterized in that: include pushing up position-limited hoop、Righting mechanism、Bearing pin、Rotate wheel and straight tube，Described righting mechanism is provided with abrasionproof rib，The quantity of described abrasionproof rib is eight pieces，Described abrasionproof rib be ladder structure of right angle and right angle above，Described abrasionproof rib is evenly distributed on described righting mechanism outer surface，The surface configuration of described abrasionproof rib has the groove of inclination，The described angle of groove inclination degree on the surface of all described abrasionproof ribs all as，Shoulder is had on described straight tube lower thread，Righting mechanism is sleeved on straight tube，Position-limited hoop bottom, top couples with straight tube top，Righting mechanism bottom is spacing by the shoulder on straight tube lower thread，Righting mechanism top is spacing by pushing up position-limited hoop，Multiple vertical-shaped groove is had on righting mechanism，Vertical-shaped groove becomes circle distribution，Rotate in the vertical-shaped groove that wheel is on righting mechanism，Bearing pin is through in the centre bore rotating wheel，Bearing pin two ends are fixed on righting mechanism，Described bearing pin is provided with cross handle.
- Punching press monoblock type rib centralizer the most according to claim 1, it is characterised in that: the outer surface of described top position-limited hoop is provided with post, and described post is rubber.
- Punching press monoblock type rib centralizer the most according to claim 1, it is characterised in that: described top position-limited hoop is additionally provided with depth-registering device.
- Punching press monoblock type rib centralizer the most according to claim 1, it is characterised in that: described top position-limited hoop is additionally provided with accelerograph.
- Punching press monoblock type rib centralizer the most according to claim 1, it is characterised in that: the outer surface of described top position-limited hoop scribbles polyethylene layer.
- Punching press monoblock type rib centralizer the most according to claim 1, it is characterised in that: there is cavity in described straight tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078289.3U CN205477421U (en) | 2016-01-27 | 2016-01-27 | Integral rib centralizer of punching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078289.3U CN205477421U (en) | 2016-01-27 | 2016-01-27 | Integral rib centralizer of punching press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477421U true CN205477421U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620078289.3U Active CN205477421U (en) | 2016-01-27 | 2016-01-27 | Integral rib centralizer of punching press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477421U (en) |
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2016
- 2016-01-27 CN CN201620078289.3U patent/CN205477421U/en active Active
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