CN2462067Y - Uper/lower frame locking device of derrick - Google Patents
Uper/lower frame locking device of derrick Download PDFInfo
- Publication number
- CN2462067Y CN2462067Y CN 00232308 CN00232308U CN2462067Y CN 2462067 Y CN2462067 Y CN 2462067Y CN 00232308 CN00232308 CN 00232308 CN 00232308 U CN00232308 U CN 00232308U CN 2462067 Y CN2462067 Y CN 2462067Y
- Authority
- CN
- China
- Prior art keywords
- derrick
- lower body
- headframe
- lock pin
- otic placode
- 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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- Earth Drilling (AREA)
Abstract
The utility model is suitable for locking vehicle loading type drilling rigs and the upper and the lower bodies of a headframe of an ocean workover rig. Locking devices are symmetrically arranged on both sides of the upper end of the lower body of the headframe, four ear plates of lock pins with large span lengths are taken as supporting points and are driven to synchronously act by locking oil cylinders, the loads on the upper body of the headframe are evenly transmitted to the lower body of the headframe, and the stability and the seakeeping performance of the integral headframe are largely enhanced. The remote control automated operation is realized because of using the locking oil cylinders, and the defect that originally, the jam is easy to occur with the manual operation through pulling a steel rope is eradicated.
Description
The utility model is applicable to the last lower body locking of vehicular rig and ocean workover rig.
The derrick of vehicular rig and ocean workover rig, because the reason of movement all is designed to the binodal extension type, extended part is the derrick upper body, standing part is the derrick lower body.During operation, the derrick upper body is stretched from the derrick lower body earlier by playing a telescopic oil cylinder, when the derrick upper body hoist put in place after, by locking device lower body on the derrick is locked again, make it to become the stressed integral body of a rigidity.Because the weight of derrick upper body and drilling tool is very big, and this weight will all act on the locking device, therefore, the structure of locking device directly has influence on the functional performance of derrick.
Lower body locking device on existing a kind of derrick is to be symmetrically arranged in the derrick both sides and to constitute by being positioned at lock pin otic placode on the derrick lower body and lever and wire rope, after the derrick upper body hoists and puts in place, draws wire rope to realize locking and unblank on ground by the people.This structure because of each only has a stressed strong point on the both sides of derrick, is only applicable to wicket frame derrick, as the derrick of small-sized vehicular workover rig.For vehicular rig and the so big doorframe derrick of ocean workover rig, this locking device just is not suitable for very much, the most tangible problem is because the stressed strong point is few, and draw steel cable operation by the people, so, derrick lower body unbalance stress, often cause the distortion of derrick main chord, even destroy, wind is more outstanding big season, and aggravation causes derrick to be scrapped.And the people also often occurs blocking when drawing wire rope, draws motionless situation.
The purpose of this utility model, provide lower body locking device on a kind of derrick that is specially adapted to truck-mounted drilling rig and ocean workover rig, load on the derrick upper body is delivered on the derrick lower body equably, guarantee the stability of derrick upper body after stressed simultaneously, even when strong wind, also can work safely and reliably.
The utility model is made of lock pin otic placode 3, bearing pin 4, connecting rod 5, locking cylinder 6, locking cylinder 6 one ends and derrick lower body 2 are hinged, the other end is articulated in the middle part of connecting rod 5, connecting rod 5 respectively is connected on the lock pin otic placode 3 of suitable span in its two ends, lock pin otic placode 3 has a bearing surface 7, by bearing pin 4 symmetrically (about the derrick center line) be connected on the carrier bar of derrick lower body 2.The above-mentioned locking device that is constituted is arranged in symmetrically the both sides of derrick lower body upper end.
By remote control the piston rod of locking cylinder 6 is stretched out, power by connecting rod 5 make lock pin otic placode 3 around bearing pin 4 to the derrick inner rotary, when it withdraws from the derrick behind the sky fully, can stretch out in the derrick lower body or withdraw in the derrick upper body; When the derrick upper body hoists from derrick need lock after putting in place the time, make the piston rod withdrawal of locking cylinder 6 by remote control, lock pin otic placode 3 reverse (in derrick) rotation, when the bearing surface 7 that rotates to lock pin otic placode 3 is level, the Carrier box of derrick upper body 1 just has been seated on the bearing surface 7 of 4 lock pin otic placodes 3 fully, at this moment, the derrick upper body promptly is lockable and can not bounces back.Can carry out drilling well or workover treatment.
In order to prevent the maloperation of locking cylinder 6, one stopping means that is made of spacer pin 8 and key seat 9 thereof can be set at lock pin otic placode 3 places, after the derrick upper body is lockable, this spacer pin is inserted in the pin-and-hole of key seat 9 by the rigger, like this, no matter how locking cylinder 6 moves, and lock pin otic placode 3 can not be in stable state, the security reliability when guaranteeing derrick work around bearing pin 4 rotations again.Certainly, in the time of need opening locking device, the rigger must be earlier with its extraction.Spacer pin 8 can be limited on the key seat 9 with chainlet 10.
The utility model adopts the strong point (lock pin otic placode) of 4 big spans that locking cylinder is set symmetrically, and synchronization action, allow the load on the derrick upper body evenly bear by 4 lock pin otic placodes, thereby make the load on the derrick upper body be delivered to the derrick lower body equably, thereby the derrick resistance to overturning is good, improve the wind loading rating of derrick, fully satisfied the instructions for use of the so big doorframe derrick of vehicular rig and ocean workover rig; Because the employing of locking cylinder causes the Long-distance Control automation mechanized operation to be achieved, to eradicate the employing people and drawn steel cable, the defective blocked often appears in operation.
Below accompanying drawing is described.
Fig. 1 is the utility model front view.
Fig. 2 is the utility model left view.
Solid line partly is the utility model among the figure, and the position that derrick upper and lower body and the utility model withdraw from behind the derrick is represented with double dot dash line.
The utility model is described specifically as follows below in conjunction with drawings and Examples.
The lower body locking device is made of lock pin otic placode 3, bearing pin 4, connecting rod 5, locking cylinder 6 on this derrick, locking cylinder 6 one ends and derrick lower body 2 are hinged, the other end is articulated in the middle part of connecting rod 5, connecting rod 5 respectively is connected on the lock pin otic placode 3 of suitable span in its two ends, lock pin otic placode 3 has a bearing surface 7, by bearing pin 4 symmetrically (about the derrick center line) be connected on the carrier bar of derrick lower body 2.The above-mentioned locking device that is constituted is arranged in symmetrically the both sides of derrick lower body upper end.
During use, the piston rod of locking cylinder 6 is stretched out by remote control, power by connecting rod 5 make lock pin otic placode 3 around bearing pin 4 to the derrick inner rotary, when it withdraws from the derrick behind the sky fully, can stretch out in the derrick lower body or withdraw in the derrick upper body; When the derrick upper body hoists from derrick need lock after putting in place the time, make the piston rod withdrawal of locking cylinder 6 by remote control, lock pin otic placode 3 reverse (in derrick) rotation, when the bearing surface 7 that rotates to lock pin otic placode 3 is level, the Carrier box of derrick upper body 1 just has been seated on the bearing surface 7 of 4 lock pin otic placodes 3 fully, at this moment, the derrick upper body promptly is lockable and can not bounces back.Can carry out drilling well or workover treatment.
In order to prevent the maloperation of locking cylinder 6, one stopping means that is made of spacer pin 8 and key seat 9 thereof can be set at lock pin otic placode 3 places, after the derrick upper body is lockable, this spacer pin is inserted in the pin-and-hole of key seat 9 by the rigger, like this, no matter how locking cylinder 6 moves, and lock pin otic placode 3 can not be in stable state, the security reliability when guaranteeing derrick work around bearing pin 4 rotations again.Certainly, in the time of need opening locking device, the rigger must be earlier with its extraction.Spacer pin B can be limited on the key seat 9 with chainlet 10.
The utility model adopts the strong point (lock pin otic placode) of 4 big spans that locking cylinder is set symmetrically, and synchronization action, allow the load on the derrick upper body evenly bear by 4 lock pin otic placodes, thereby make the load on the derrick upper body be delivered to the derrick lower body equably, thereby the derrick resistance to overturning is good, improve the wind loading rating of derrick, fully satisfied the instructions for use of the so big doorframe derrick of vehicular rig and ocean workover rig; Because the employing of locking cylinder causes the Long-distance Control automation mechanized operation to be achieved, to eradicate the employing people and drawn steel cable, the defective blocked often appears in operation.
Claims (2)
1. the locking device of lower body on the derrick, be arranged at the both sides of derrick lower body upper end symmetrically, it is characterized in that, this device is made of lock pin otic placode 3, bearing pin 4, connecting rod 5, locking cylinder 6, locking cylinder 6 one ends and derrick lower body 2 are hinged, and the other end is articulated in the middle part of connecting rod 5, and connecting rod 5 respectively is connected on the lock pin otic placode 3 of suitable span in its two ends, lock pin otic placode 3 has a bearing surface 7, is connected in symmetrically on the carrier bar of derrick lower body 2 about the derrick center line by bearing pin 4.
2. the pin clamping device of lower body is characterized in that on a kind of derrick according to claim 1, at described lock pin otic placode 3 places, has a stopping means, and this device is made of spacer pin 8 and key seat 9 thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00232308 CN2462067Y (en) | 2000-11-01 | 2000-11-01 | Uper/lower frame locking device of derrick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00232308 CN2462067Y (en) | 2000-11-01 | 2000-11-01 | Uper/lower frame locking device of derrick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2462067Y true CN2462067Y (en) | 2001-11-28 |
Family
ID=33594982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00232308 Expired - Fee Related CN2462067Y (en) | 2000-11-01 | 2000-11-01 | Uper/lower frame locking device of derrick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2462067Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915674A (en) * | 2010-07-20 | 2010-12-15 | 崔锋 | Tester of pile leg locking system for self-elevating drilling platform |
| CN106121547A (en) * | 2016-05-31 | 2016-11-16 | 南阳二机石油装备集团股份有限公司 | Suit derrick automatic telescopic carrying arrestment mechanism |
| CN109611031A (en) * | 2018-10-18 | 2019-04-12 | 中石化四机石油机械有限公司 | Hydraulic telescopic derrick |
| CN111069524A (en) * | 2020-01-10 | 2020-04-28 | 江苏金茂制链有限公司 | Chain knitting machine locking device and using method thereof |
| CN114961583A (en) * | 2022-08-01 | 2022-08-30 | 胜利油田利丰石油设备制造有限公司 | Vertical sleeved self-elevating derrick |
-
2000
- 2000-11-01 CN CN 00232308 patent/CN2462067Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915674A (en) * | 2010-07-20 | 2010-12-15 | 崔锋 | Tester of pile leg locking system for self-elevating drilling platform |
| CN106121547A (en) * | 2016-05-31 | 2016-11-16 | 南阳二机石油装备集团股份有限公司 | Suit derrick automatic telescopic carrying arrestment mechanism |
| CN109611031A (en) * | 2018-10-18 | 2019-04-12 | 中石化四机石油机械有限公司 | Hydraulic telescopic derrick |
| CN111069524A (en) * | 2020-01-10 | 2020-04-28 | 江苏金茂制链有限公司 | Chain knitting machine locking device and using method thereof |
| CN114961583A (en) * | 2022-08-01 | 2022-08-30 | 胜利油田利丰石油设备制造有限公司 | Vertical sleeved self-elevating derrick |
| CN114961583B (en) * | 2022-08-01 | 2022-10-21 | 胜利油田利丰石油设备制造有限公司 | Vertical sleeved self-elevating derrick |
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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 |