CN203383753U - Novel pneumatic-slip-type casing elevator - Google Patents
Novel pneumatic-slip-type casing elevator Download PDFInfo
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- CN203383753U CN203383753U CN201320426663.0U CN201320426663U CN203383753U CN 203383753 U CN203383753 U CN 203383753U CN 201320426663 U CN201320426663 U CN 201320426663U CN 203383753 U CN203383753 U CN 203383753U
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- elevator
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- slips
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- connecting rod
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Abstract
The utility model discloses a novel pneumatic-slip-type casing elevator. The casing elevator comprises an elevator body, wherein the elevator body comprises two parts which are oppositely connected with each other through hinge pins; a slip is mounted in a conical hole in the center of the elevator body. The casing elevator is characterized in that the slip is composed of a plurality of slip bodies which are in 360-degree uniform distribution; each slip body is connected with four air cylinders through the connecting mechanism of the slip body; a control valve is arranged at the top of the elevator body and controls the four air cylinders to act synchronously; each connecting mechanism comprises a connecting rod and a lever; each connecting rod is connected with the corresponding slip body; one end of each lever is connected with the piston rods of the air cylinders, and the other end of each lever is connected with the corresponding connecting rod; the levers connected with the piston rods of the air cylinders are connected into a whole structure; a slope step and a slope groove are arranged on the conical back surface of each slip body and matched with the slip body. The casing elevator has the advantages that the bearing capacity is large and the slip bodies are convenient to change, is safe and reliable, and can be used for clamping large tubular columns with large diameters while the tubular columns have low possibility of deformation.
Description
Technical field
The utility model relates to a kind of elevator, specifically, relates to a kind of Novel air operated slip formula casing elevator, belongs to oil field drilling well workover field.
Background technology
In oil field drilling workover treatment process, the casing elevator suspension attachment that is absolutely necessary.Existing casing elevator adopts four also slips body structure designs mostly, and as Chinese patent, the patent No. is " 03222083.9 " disclosed a kind of Pneumatic slip type sleeve elevator, and it,, when the large diameter sleeve pipe of clamping, can not realize full encirclement, causes the tubing string unbalance stress; In addition, due to reasons such as slips body back cone structures, its bearing load is little, and it is large that the slips body is changed intensity.Therefore, need a kind of new technical scheme to solve above-mentioned technical problem.
Summary of the invention
The purpose of this utility model is to provide that a kind of bearing load is large, the slips body is changed is convenient, safe and reliable, can clamp the Novel air operated slip formula casing elevator that large direct tubing string and tubing string are difficult for deforming.
The technical scheme in the invention for solving the above technical problem is:
A kind of Novel air operated slip formula casing elevator, comprise the elevator body, the elevator body is comprised of two parts of splitting connection by hinge pin, the center circle taper hole of elevator body is in-built slips, described slips forms by being the equally distributed multipage slips of 360 degree body, the slips body is connected with four cylinders by bindiny mechanism separately, the top of described elevator body is provided with the control valve of controlling four cylinder synchronization actions, described bindiny mechanism comprises that the connecting rod be connected with the slips body is connected with cylinder piston rod with an end, the lever that the other end is connected with connecting rod, the lever be connected with four cylinder piston rods is the structure that mutually is connected, be provided with the landslide step and the landslide groove that match with the elevator body on the back cone of described every page of slips body.
Described slips body is six pages or four pages.
The below of described lever is provided with safeties.
The below of described connecting rod is provided with hand gear.
The utility model has the advantages that: bearing load is large, the replacing of slips body is convenient, safe and reliable, can clamp large directly tubing string and tubing string is difficult for deforming.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is that the utility model is cut structural representation open.
Fig. 3 is the top view of Fig. 1 while removing upper cover.
The structural representation that Fig. 4 is safeties.
The specific embodiment
As Figure 1-4, a kind of Novel air operated slip formula casing elevator, comprise elevator body 1, and elevator body 1 is comprised of two parts 301,302 of splitting connection by hinge pin 201,202, remove the hinge pin of an end, two parts 301,302 of elevator body can rotate around the hinge pin of the other end.Slips 4 arranged the center circle taper hole of elevator body 1 is in-built, slips 4 forms by being the equally distributed six pages of slips bodies 401 of 360 degree, six pages of slips bodies 401 are connected with four cylinders 6 by bindiny mechanism 5 separately, bindiny mechanism 5 comprises that the connecting rod 501 be connected with slips body 401 is connected with cylinder piston rod 601 with an end, the lever 502 that the other end is connected with connecting rod 501, the lever 502 be connected with four cylinder piston rods is the structure that mutually is connected, be provided with the control valve 11 of controlling four cylinder synchronization actions simultaneously at the top of elevator body 1, like this when grip sleeve, can make chucking power large and even.Be provided with the landslide step 7 and the landslide groove 8 that match with elevator body 1 on the back cone of six pages of slips bodies 401, can increase like this bearing load of slips body 401, and 401 dismounting of slips body be more convenient, are convenient to change, and reduce labour intensity.
When air pressure deficiency or gas circuit are damaged suddenly; for prevent that elevator lever when promoting state from falling or elevator during in clamped condition lever rise; be provided with safeties 9 below lever 502; safeties 9 can stop lever 502 fall under case of emergency or rise, and play the effect of timely safeguard protection.Simultaneously, all be provided with hand gear 10 below connecting rod, when the emergencies such as air pressure deficiency or gas circuit damage suddenly, can be operated by 10 pairs of slips bodies of hand gear, slips is opened, do not affect the user and carry out one-shot job.
Claims (4)
1. a Novel air operated slip formula casing elevator, comprise the elevator body, the elevator body is comprised of two parts of splitting connection by hinge pin, the center circle taper hole of elevator body is in-built slips, it is characterized in that: described slips forms by being the equally distributed multipage slips of 360 degree body, the slips body is connected with four cylinders by bindiny mechanism separately, the top of described elevator body is provided with the control valve of controlling four cylinder synchronization actions, described bindiny mechanism comprises that the connecting rod be connected with the slips body is connected with cylinder piston rod with an end, the lever that the other end is connected with connecting rod, the lever be connected with four cylinder piston rods is the structure that mutually is connected, be provided with the landslide step and the landslide groove that match with the elevator body on the back cone of described every page of slips body.
2. a kind of Novel air operated slip formula casing elevator according to claim 1, it is characterized in that: described slips body is six pages or four pages.
3. a kind of Novel air operated slip formula casing elevator according to claim 1, it is characterized in that: the below of described lever is provided with safeties.
4. a kind of Novel air operated slip formula casing elevator according to claim 1, it is characterized in that: the below of described connecting rod is provided with hand gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426663.0U CN203383753U (en) | 2013-07-18 | 2013-07-18 | Novel pneumatic-slip-type casing elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426663.0U CN203383753U (en) | 2013-07-18 | 2013-07-18 | Novel pneumatic-slip-type casing elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383753U true CN203383753U (en) | 2014-01-08 |
Family
ID=49872262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426663.0U Ceased CN203383753U (en) | 2013-07-18 | 2013-07-18 | Novel pneumatic-slip-type casing elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863526A (en) * | 2015-06-07 | 2015-08-26 | 高影 | Elevator for clamping and lifting casing pipe |
-
2013
- 2013-07-18 CN CN201320426663.0U patent/CN203383753U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863526A (en) * | 2015-06-07 | 2015-08-26 | 高影 | Elevator for clamping and lifting casing pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20150820 Decision number of declaring invalidation: 26780 Granted publication date: 20140108 |