CN202081842U - Pressing mechanism on continuous oil pipe traction equipment - Google Patents
Pressing mechanism on continuous oil pipe traction equipment Download PDFInfo
- Publication number
- CN202081842U CN202081842U CN2011201666971U CN201120166697U CN202081842U CN 202081842 U CN202081842 U CN 202081842U CN 2011201666971 U CN2011201666971 U CN 2011201666971U CN 201120166697 U CN201120166697 U CN 201120166697U CN 202081842 U CN202081842 U CN 202081842U
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- China
- Prior art keywords
- chain
- pulling equipment
- coiled tubing
- hold
- down mechanism
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Abstract
The utility model provides a pressing mechanism on continuous oil pipe traction equipment, which is arranged on the continuous oil pipe traction equipment. The continuous oil pipe traction equipment includes a traction equipment box body and circular double-row chains including an upper chain and a lower chain, which are vertically arranged, used for holding and transferring a continuous oil pipe, and arranged in the traction equipment box body, a holding and transferring area for holding and transferring the continuous oil pipe is formed between the double-row chains; and holding blocks used for taking off the continuous pipe are arranged on each chain of the double-row chains. The pressing mechanism on the continuous oil pipe traction equipment includes bearing riding wheels pressed on one chain of the double-row chains and a bracket fixed on the traction equipment box body and used for supporting rotating shafts of the bearing riding wheels. The pressing mechanism is simple to manufacture and easy to maintain; and after the equipment is compressed, the damage to the continuous oil pipe caused by imbalanced bidirectional pressing force of the original device is reduced, so that the costs for production and maintenance are greatly reduced.
Description
Technical field
The utility model relates to that oil bores, the logging technique field, is a kind of servicing unit that is installed in pulling equipment on the coiled tubing car, the hold-down mechanism on a kind of coiled tubing pulling equipment.
Background technology
At present, the coiled tubing technology has been widely used in fields such as drilling well, test, de-plugging, gaslift, plays a part very important in oil-gas exploration and Development and Production.At present, main application is to manage car and skid-mounted type running and pulling device continuously both at home and abroad, these devices mostly adopt electricity or hydraulic pressure as power, remove oil pipe by cylinder and injection head as executing agency, injection head is to be positioned over to play the effect of injecting and drawing oil pipe on the wellhead blowout preventor, its chain movement track is the vertical motion on the space, what its hold-down mechanism mostly adopted is that both sides lateral tension oil cylinder drive load running roller compression clamping piece carries out work, this organization hydraulic pressure pipeline equipment is various, structure is comparatively complicated, and manufacturing and maintenance cost are higher.The continuous tube injection head clamping device of patent introductions such as Chinese patent ZL 201010110549.8 and ZL200920016076.8 all adopts said structure, increases and has also increased the manufacturing maintenance cost when injecting the draw-gear size.
The utility model content
The utility model provides the hold-down mechanism on a kind of coiled tubing pulling equipment, up and down the hydraulic pressure hold-down mechanism is set simultaneously and the complex structure, manufacturing and the maintenance cost problem of higher that cause in both sides to solve existing coiled tubing pulling equipment.
For this reason, the utility model proposes the hold-down mechanism on a kind of coiled tubing pulling equipment, be arranged on the described coiled tubing pulling equipment, described coiled tubing pulling equipment comprises: the pulling equipment casing; The double strand chain of the annular of clamping and conveying coiled tubing, present down setting, be respectively chain and lower chain, be arranged in the described pulling equipment casing, the zone that pinches that forms clamping between the described double strand chain and carry coiled tubing, every chain of described double strand chain is provided with the grip block that removes continuous pipe, and the hold-down mechanism on the described coiled tubing pulling equipment comprises: the pressure-bearing support roller is pressed on the chain in the described double strand chain; Support is fixed on the described pulling equipment casing and supports the rotating shaft of described pressure-bearing support roller.
Further, the hold-down mechanism on the described coiled tubing pulling equipment also comprises: be pressed on the hydraulic compressing device on another chain in the described double strand chain.
Further, described pressure-bearing support roller is pressed on the described lower chain.
Further, described hydraulic compressing device comprises: be arranged on hydraulic cylinder on the described pulling equipment casing, compress the running roller hold-down mechanism of described another chain, wherein, described hydraulic cylinder is connected with described running roller hold-down mechanism.
Further, described running roller hold-down mechanism comprises: a plurality of running rollers, and the length direction along described another chain is pressed on described another chain successively; Bearing plate connects a plurality of described running rollers; Wherein, described hydraulic cylinder is connected with described bearing plate.
Further, the number of described hydraulic compressing device is a plurality of, and the length direction along described another chain is pressed on described another chain successively.
Further, described support is by being spirally connected or being weldingly fixed on the described pulling equipment casing.
Further, described support is tabular, and the number of described pressure-bearing support roller is a plurality of, and a plurality of described pressure-bearing support rollers are pressed on the described chain along the length direction of a described chain, and the external diameter of described pressure-bearing support roller is identical with described running roller.
Further, described grip block is identical with the radius of coiled tubing, and removably connects with every chain.
Further, also be provided with drive sprocket and driven sprocket in the described pulling equipment casing, every chain of described double strand chain is connected between described drive sprocket and the described driven sprocket.
The utility model adopts the pressure-bearing support roller, be pressed on the chain in the described double strand chain, the rotating shaft of pressure-bearing support roller is arranged in the support that is fixed on the described pulling equipment casing, rotating shaft by stent support pressure-bearing support roller has realized adopting support to compress the chain of a side, replaced prior art to need the hydraulic pressure hold-down mechanism to compress the structure of the chain of both sides, thereby reduced the setting of hydraulic cylinder, and simplify the structure, reduced cost.
Description of drawings
Fig. 1 is the structural representation according to the hold-down mechanism on the coiled tubing pulling equipment of the utility model embodiment;
Fig. 2 is according to the hydraulic cylinder of the utility model embodiment and running roller pressure-bearing body draw bail schematic diagram;
Fig. 3 is the structural representation that compresses running roller according to the utility model embodiment;
Fig. 4 is the structural representation according to the support roller pressure-bearing mechanism of the utility model embodiment.
The drawing reference numeral explanation:
1-pulling equipment casing, the 2-drive sprocket, the 3-drive sprocket axle, the 4-double strand chain, the 5-grip block, the anti-shake roller of 6-,
The 7-hydraulic cylinder, the 8-hydraulic cylinder is with compressing running roller bearing plate coupling spindle, and 9-compresses running roller bearing plate secondary coupling spindle;
10-compresses running roller, the 11-driven sprocket, and 12-driven chain wheel shaft, the 13-support roller, 14-support roller coupling spindle,
15-support roller pressure-bearing mechanism body, the 16-bolt, 17-pulling equipment boxboard, 18-compresses the running roller rotating shaft,
The 19-bearing plate, 20-support roller top board, 21-pressing plate set bolt, 22-bolt
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
As shown in Figure 1, the hold-down mechanism according on a kind of coiled tubing pulling equipment of the utility model embodiment is arranged on the described coiled tubing pulling equipment, and the coiled tubing pulling equipment comprises: pulling equipment casing 1; The double strand chain 4 of the annular of clamping and conveying coiled tubing, present down setting, be respectively chain and lower chain, be arranged in the described pulling equipment casing 1, form the zone that pinches of clamping and conveying coiled tubing (not shown) between the described double strand chain, every chain of described double strand chain is provided with the grip block 5 that removes continuous pipe.Described grip block 5 is identical with the radius of coiled tubing, and removably connects with every chain, so that clamping and dismounting.Rectilinear motion takes place in coiled tubing under the effect of frictional force under the clamping of grip block 5.Anti-shake roller 6 is installed in the bottom of chain 4, closely contacts with chain 4, can guarantee the stable transmission of chain 4, is unlikely to shake.Also be provided with drive sprocket 2 and driven sprocket 11 in the described pulling equipment casing 1, every chain of described double strand chain is connected between described drive sprocket 2 and the described driven sprocket 11.Drive sprocket 2 rotates around drive sprocket axle 3, and driven sprocket 11 rotates around driven chain wheel shaft 12.
Hold-down mechanism on the described coiled tubing pulling equipment comprises: pressure-bearing support roller 13 is pressed on the chain in the described double strand chain; Support is fixed on the described pulling equipment casing 1 and supports the rotating shaft of described pressure-bearing support roller 13.Pressure-bearing support roller 13 forms support roller pressure-bearing mechanism with support.As shown in Figure 1, support can be support roller pressure-bearing mechanism body 15, and described support is by being spirally connected or being weldingly fixed on the described pulling equipment casing 1.In Fig. 4, support can be platy structure, this makes support as rigid material, for example make for steel plate, itself play rotating shaft fixing and support pressure-bearing support roller 13, promptly support roller coupling spindle 14 is arranged on the described pulling equipment casing 1, and support roller coupling spindle 14 can only rotate can not translation, to guarantee that pressure-bearing support roller 13 can hold out against double strand chain 4, makes that the grip block 5 on the double strand chain 4 holds out against coiled tubing.
Hold-down mechanism on the described coiled tubing pulling equipment also comprises: be pressed on the hydraulic compressing device on another chain in the described double strand chain.As shown in Figure 1, hydraulic compressing device is pressed on the chain, and described pressure-bearing support roller 13 is pressed on the described lower chain.Hydraulic compressing device compresses chain, simultaneously, hydraulic compressing device and pressure-bearing support roller 13 and support compress lower chain, active by last chain compresses with the passive of lower chain and compresses, can cancel the hydraulic compressing device on the lower chain like this, only need to replace getting final product, simplify the structure, reduced cost with fixing support.Certainly, also pressure-bearing support roller 13 and support can be arranged on the chain, hydraulic compressing device is pressed on the lower chain, can realize compressing equally.Actual installation can be according to the situation flexible design of the design feature of pulling equipment casing 1 and working space, environment.
As Fig. 1, Fig. 2 and shown in Figure 3, described hydraulic compressing device comprises: be arranged on hydraulic cylinder 7 on the described pulling equipment casing 1, compress the running roller hold-down mechanism of described another chain.Wherein, an end of hydraulic cylinder 7 is connected on the pulling equipment boxboard 17, and pulling equipment boxboard 17 is fixed on the pulling equipment casing 1, and described hydraulic cylinder 7 other ends are connected with described running roller hold-down mechanism.Described running roller hold-down mechanism comprises: a plurality of running rollers are pressed on described going up on the chain along the described length direction of going up chain successively for compressing running roller 10 among Fig. 3; Bearing plate 19 connects a plurality of described running rollers; Wherein, as shown in Figure 2, described hydraulic cylinder 7 is connected with described pulling equipment boxboard 17 with compressing running roller bearing plate coupling spindle 8 by hydraulic cylinder.Compressing running roller 10 can rotate when chain drive around compressing running roller rotating shaft 18 thereupon synchronously, and each roller set that a plurality of running rollers form can secondary coupling spindle 9 be the center of circle simultaneously, adjusts angle automatically, and guarantee point is stressed evenly.
Further, as shown in Figure 1, the number of described hydraulic compressing device is a plurality of, is pressed on described going up on the chain along the described length direction of going up chain successively.Like this, can evenly compress.Be arranged side by side with four hydraulic compressing devices on the last chain, promptly be provided with four hydraulic cylinders, the hydraulic power pipeline connecting mode of hydraulic cylinder 7 is a parallel way, can guarantee running roller 10 both sides stress balances.Compress running roller 10 and can adjust angle automatically according to stressing conditions, guaranteeing the each point stress balance, under accepting of pressure-bearing support roller do not injure oil pipe.
Further, as shown in Figure 4, the number of described pressure-bearing support roller 13 is a plurality of, and the external diameter of pressure-bearing support roller 13 is with to compress running roller 10 measure-alike, and pressure-bearing support roller 13 is outer to be equipped with pressing plate 20, to carry out spacing to pressure-bearing support roller 13.Pressing plate 20 is fixed on the support roller pressure-bearing mechanism body 15 by pressing plate set bolt 21.A plurality of described pressure-bearing support rollers 13 are pressed on the described lower chain along the length direction of described lower chain.Support roller 13 can rotate when double strand chain 4 transmissions and thereupon synchronously around support roller coupling spindle 14, and whole support roller pressure-bearing mechanism and pulling equipment casing 1 adopt bolt 22 and bolt 16 to fix.
Some operating principles of the present utility model are described below:
At pulling equipment casing 1 upper sprocket wheel hydraulic compressing device is installed respectively, hydraulic cylinder 7 can promote to compress running roller 10, make and compress on the matrix that running roller is pressed in grip block 5 closely, big I to continuous pipe thrust is controlled by hydraulic control system, compress running roller 10 and can adjust angle automatically, to guarantee the each point stress balance according to stressing conditions.At pulling equipment casing 1 lower chain support roller pressure-bearing mechanism is installed, pressure-bearing support roller 13 directly with chain on grip block 5 matrixes closely contact also and can freely rotate, guarantee that continuous pipe is in straightened condition all the time and each stress point is stressed evenly, accepting of support roller pressure-bearing mechanism do not injure oil pipe.
The utility model manufacturing is simple, is easy to safeguard, compress effect after, reduced original device because the unbalanced injury that is caused to coiled tubing of two-way thrust greatly reduces and produces and maintenance cost.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.For each ingredient of the present utility model can make up under the condition of not conflicting mutually; any those skilled in the art; equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. the hold-down mechanism on the coiled tubing pulling equipment is arranged on the described coiled tubing pulling equipment, and described coiled tubing pulling equipment comprises: the pulling equipment casing; The double strand chain of the annular of clamping and conveying coiled tubing, present down setting, be respectively chain and lower chain, be arranged in the described pulling equipment casing, the zone that pinches that forms clamping between the described double strand chain and carry coiled tubing, every chain of described double strand chain is provided with the grip block that removes continuous pipe, it is characterized in that, the hold-down mechanism on the described coiled tubing pulling equipment comprises:
Pressure-bearing support roller (13) is pressed on the chain in the described double strand chain;
Support is fixed on the described pulling equipment casing and supports the rotating shaft of described pressure-bearing support roller (13).
2. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 1 is characterized in that, the hold-down mechanism on the described coiled tubing pulling equipment also comprises: be pressed on the hydraulic compressing device on another chain in the described double strand chain.
3. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 1 is characterized in that, described pressure-bearing support roller (13) is pressed on the described lower chain.
4. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 2, it is characterized in that, described hydraulic compressing device comprises: be arranged on hydraulic cylinder (7) on the described pulling equipment casing, compress the running roller hold-down mechanism of described another chain, wherein, described hydraulic cylinder (7) is connected with described running roller hold-down mechanism.
5. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 4 is characterized in that, described running roller hold-down mechanism comprises: a plurality of running rollers, and the length direction along described another chain is pressed on described another chain successively; Bearing plate connects a plurality of described running rollers; Wherein, described hydraulic cylinder (7) is connected with described bearing plate.
6. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 4 is characterized in that, the number of described hydraulic compressing device is a plurality of, and the length direction along described another chain is pressed on described another chain successively.
7. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 1 is characterized in that, described support is by being spirally connected or being weldingly fixed on the described pulling equipment casing.
8. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 5, it is characterized in that, described support is tabular, the number of described pressure-bearing support roller (13) is a plurality of, a plurality of described pressure-bearing support rollers (13) are pressed on the described chain along the length direction of a described chain, and the external diameter of described pressure-bearing support roller is identical with described running roller.
9. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 1 is characterized in that, described grip block is identical with the radius of coiled tubing, and removably connects with every chain.
10. the hold-down mechanism on the coiled tubing pulling equipment as claimed in claim 1, it is characterized in that, also be provided with drive sprocket and driven sprocket in the described pulling equipment casing, every chain of described double strand chain is connected between described drive sprocket and the described driven sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201666971U CN202081842U (en) | 2011-05-23 | 2011-05-23 | Pressing mechanism on continuous oil pipe traction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201666971U CN202081842U (en) | 2011-05-23 | 2011-05-23 | Pressing mechanism on continuous oil pipe traction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081842U true CN202081842U (en) | 2011-12-21 |
Family
ID=45342478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201666971U Expired - Lifetime CN202081842U (en) | 2011-05-23 | 2011-05-23 | Pressing mechanism on continuous oil pipe traction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075369A (en) * | 2019-12-26 | 2020-04-28 | 河北新铁虎石油机械有限公司 | Return-stroke-free tubular column tripping device and under-pressure operation system |
-
2011
- 2011-05-23 CN CN2011201666971U patent/CN202081842U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075369A (en) * | 2019-12-26 | 2020-04-28 | 河北新铁虎石油机械有限公司 | Return-stroke-free tubular column tripping device and under-pressure operation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |