CN201197988Y - Plug locking structure - Google Patents
Plug locking structure Download PDFInfo
- Publication number
- CN201197988Y CN201197988Y CNU2008200320438U CN200820032043U CN201197988Y CN 201197988 Y CN201197988 Y CN 201197988Y CN U2008200320438 U CNU2008200320438 U CN U2008200320438U CN 200820032043 U CN200820032043 U CN 200820032043U CN 201197988 Y CN201197988 Y CN 201197988Y
- Authority
- CN
- China
- Prior art keywords
- push rod
- plug
- connector
- connecting joint
- shaft shoulder
- 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
Links
Images
Abstract
The utility model relates to a plug locking structure which can ensure the locking of the plug, can be convenient for replacing the plug and can further meet the requirements for plug utilization in the tube rolling production. The plug locking structure comprises a plug, a push rod and a connecting joint and is characterized in that the connecting joint is sleeved in the push rod and connected with the push rod through a counter nut; a spring is pressed and mounted between the counter nut and the shaft shoulder of the push rod; an eccentric shaft is arranged in the connecting joint corresponding to the shaft shoulder; the eccentric block of the eccentric shaft contacts with the shaft shoulder; the plug is pressed and mounted at the front end of the connecting joint and clamped through a marble; the marble is arranged in the through hole of the connecting joint; the other end of the marble contacts with the lug boss of the push rod; the rear part of the connecting joint is connected with a mandril; a cooling water pipe is arranged in the mandril; and the cooling water pipe is connected with the piston of a hydraulic cylinder.
Description
(1) technical field
The utility model relates to locking top field in the perforation process that petroleum pipeline produces, and is specially a kind of locking top structure.This structure has easier locking/dismounting top mode and lock ability preferably, can satisfy the push rod diameter and produce unit at the tube rolling more than 100 and use.
(2) background technology
Oil and natural gas is human important energy source, article one tube rolling line of making voluntarily in China on October 22nd, 2006 after put into serial production the Wuxi, petroleum pipeline production develops by leaps and bounds in China.But in the perforation process that petroleum pipeline is produced,, cause the top to drop and then cause a series of serious accidents because the top is difficult for locking.In used several locking devices: a kind of is to process one section screw thread on the top that push rod protracts, be used for matching with the internal thread of top, reach the locking purpose by screw thread, the drawback of this method is in the operation of rolling, screw thread revolves tighter and tighter so that is stuck at last, cause the top not change, every rolling hundreds of props up and will change push rod and influence rhythm of production; Another kind is to lock by hydraulic cylinder, and this method can be saved the time of changing the top, and is more convenient, but still has following several respects drawback to cause relatively difficulty of locking: the one, and all multifactor cylinder pressures that causes are not enough, walk less than stroke, and boss is less than the locking position; The 2nd, the rotation when rolling causes the water pipe bending, and air line distance shortens, and boss is less than the locking position; The 3rd, vibrate greatlyyer, the nut of the connecting bolt of water pipe and pull bar, tie rod end flange is often loosening; The 4th, because pull bar is different with the top rotary speed, boss weares and teares easily, causes hoodle to stretch out inadequately, and card incessantly.
(3) summary of the invention
At the problems referred to above, the utility model provides a kind of locking top structure, when it can guarantee to lock, is convenient for changing the top, satisfies the instructions for use in the tube rolling production.
Its technical scheme is such:
It comprises the top, push rod, connector, it is characterized in that: described connector is set in described push rod and connects by countersunk nut, between the shaft shoulder of push rod and countersunk nut, be pressed with spring, corresponding described shaft shoulder part, in the described connector eccentric shaft is installed, eccentric block on the described eccentric shaft contacts with the described shaft shoulder, described top press-fits in described connector leading section and by the pellet shot from a slingshot clamping, described pellet shot from a slingshot is installed in the through hole of described connector, the other end of described pellet shot from a slingshot contacts with the boss of described push rod, the rear portion of described connector connects push rod, is provided with cooling water pipe in the described push rod, and described cooling water pipe is connected with the piston rod of hydraulic cylinder.
The utility model adopts after the said structure, and the locking stroke is controlled by the eccentric block of eccentric shaft, and whole like this locking process is accurately convenient, and the top is changed more convenient, single can the operation; And when rolling, top, the whole unitary rotation of connector, the boss degree of wear is lighter, thereby has avoided existing locking top structure, and a kind of inner threads engaged is easily stuck; Another kind is locked by hydraulic cylinder, occurs shortcoming loosening, that card does not live easily.
(4) description of drawings
Fig. 1 is the structural representation of analysing and observe of the present utility model.
(5) specific embodiment
See Fig. 1, the utility model comprises top 1, push rod 3, connector 2, connector 2 is set in push rod 3 and connects by countersunk nut 5, between the shaft shoulder of push rod 3 and countersunk nut 5, be pressed with spring 4, the corresponding shaft shoulder 8 parts, eccentric shaft 6 is installed in the connector 2, on the eccentric shaft 6 eccentric block is installed, eccentric block contacts with the shaft shoulder 8.Top 1 press-fits in connector 2 overhanging ends and by pellet shot from a slingshot 7 clampings, pellet shot from a slingshot 7 is installed in the through hole of connector 2, and the other end of pellet shot from a slingshot 7 contacts with the boss of push rod 3.The rear portion of connector 2 connects push rod 7, is provided with cooling water pipe 8 in the push rod 7, and cooling water pipe 8 is connected with the piston rod 10 of hydraulic cylinder, and 11 is nut.
Below in conjunction with accompanying drawing locking of the present utility model and releasing process are described: manual rotation eccentric axis 6 (half-twist), push rod 3 reclaims, and makes the boss of push rod 3 and the location dislocation of hoodle 7, can dismantle top 1, after changing new top 1, the eccentric shaft 6 that circles round, under the effect of spring 4, push rod 3 advances, when push rod 3 contacts with eccentric shaft 6, boss just in time arrives hoodle 7 positions, promotes hoodle 7 and stretches out, chucking top 1.Cool off 8 pairs of connector 2 inside of cooling water pipe, and 9 are the cooling water pipe support.
Compared with prior art, the utlity model has marked improvement, be in particular in: 1) locking stroke Control by eccentric shaft 6 the highest minimum points, accurately convenient; When 2) rolling, integral body is rotated together, and is protruding Platform can not wear and tear; 3) change the top conveniently, single can the operation; 4) this manufacture method operates easily, Low cost of manufacture.
Claims (1)
1. locking top structure, it comprises the top, push rod, connector, it is characterized in that: described connector is set in described push rod and connects by countersunk nut, between the shaft shoulder of push rod and countersunk nut, be pressed with spring, corresponding described shaft shoulder part, in the described connector eccentric shaft is installed, eccentric block on the described eccentric shaft contacts with the described shaft shoulder, described top press-fits in described connector leading section and by the pellet shot from a slingshot clamping, described pellet shot from a slingshot is installed in the through hole of described connector, the other end of described pellet shot from a slingshot contacts with the boss of described push rod, the rear portion of described connector connects push rod, be provided with cooling water pipe in the described push rod, described cooling water pipe is connected with the piston rod of hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200320438U CN201197988Y (en) | 2008-03-07 | 2008-03-07 | Plug locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200320438U CN201197988Y (en) | 2008-03-07 | 2008-03-07 | Plug locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201197988Y true CN201197988Y (en) | 2009-02-25 |
Family
ID=40449144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200320438U Expired - Fee Related CN201197988Y (en) | 2008-03-07 | 2008-03-07 | Plug locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201197988Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441571A (en) * | 2011-12-14 | 2012-05-09 | 烟台宝钢钢管有限责任公司 | Pin-lift device for tapered roller piercers |
| CN103433281A (en) * | 2013-08-28 | 2013-12-11 | 无锡欧龙特种钢管有限公司 | Ejector header cooling device of seamless tube perforating machine |
| CN104968447A (en) * | 2012-11-03 | 2015-10-07 | 汉斯·约阿希姆·佩勒 | Method and device for producing seamless steel pipes having low eccentricity |
| CN112238142A (en) * | 2020-09-03 | 2021-01-19 | 鑫鹏源(聊城)智能科技有限公司 | Top ejector rod assembly with novel cooling mode |
| CN117000766A (en) * | 2023-10-07 | 2023-11-07 | 江苏三耐特种设备制造有限公司 | Fixed fixture of perforating machine |
-
2008
- 2008-03-07 CN CNU2008200320438U patent/CN201197988Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441571A (en) * | 2011-12-14 | 2012-05-09 | 烟台宝钢钢管有限责任公司 | Pin-lift device for tapered roller piercers |
| CN104968447A (en) * | 2012-11-03 | 2015-10-07 | 汉斯·约阿希姆·佩勒 | Method and device for producing seamless steel pipes having low eccentricity |
| CN104968447B (en) * | 2012-11-03 | 2019-03-12 | 汉斯·约阿希姆·佩勒 | Method and apparatus for producing low eccentricity seamless steel pipe |
| CN103433281A (en) * | 2013-08-28 | 2013-12-11 | 无锡欧龙特种钢管有限公司 | Ejector header cooling device of seamless tube perforating machine |
| CN112238142A (en) * | 2020-09-03 | 2021-01-19 | 鑫鹏源(聊城)智能科技有限公司 | Top ejector rod assembly with novel cooling mode |
| CN117000766A (en) * | 2023-10-07 | 2023-11-07 | 江苏三耐特种设备制造有限公司 | Fixed fixture of perforating machine |
| CN117000766B (en) * | 2023-10-07 | 2023-12-22 | 江苏三耐特种设备制造有限公司 | Fixed fixture of perforating machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201197988Y (en) | Plug locking structure | |
| CN201799449U (en) | Locking ejector head device | |
| CN101524713A (en) | Improved locking top structure | |
| CN203297086U (en) | Disc pump device of drilling pump | |
| CN204381797U (en) | Sliding bearing extracting tool | |
| CN201271797Y (en) | Hydraulic screw extractor | |
| CN102126128B (en) | Hydraulic shaft detaching device | |
| CN202200390U (en) | Novel part combination for tensioning main steel bars during production of prestressed pipe piles | |
| CN208619256U (en) | A kind of single cylinder diesel decompressor | |
| CN202151843U (en) | Pin shaft disassembling tool | |
| CN203541965U (en) | Nitrogen spring detaching device | |
| CN207326882U (en) | A kind of tool system for steam turbine for nuclear power station rotor to wheel hydraulic couplings bolt disassembly | |
| CN106141994A (en) | A kind of bearing extractor | |
| CN104723269B (en) | Centrifugal air compressor carbon ring seal pressing plate extracting tool and method for dismounting | |
| CN203679678U (en) | Locomotive driven gear connecting rod pin dismounting device | |
| CN205342933U (en) | A spanner for dismouting hydraulic pressure cylinder cap | |
| CN204700274U (en) | A kind of die casting of consumable accessory able to quickly change | |
| CN201012486Y (en) | Water injection pump bush extractor | |
| CN201120450Y (en) | Quickly replacing apparatus for screw nut riveter | |
| CN201579751U (en) | Pumping unit crank pin bush extractor | |
| CN104493781A (en) | Tool for pulling out cylinder sleeve of compressor | |
| CN204366393U (en) | Single-stage high type bolt tensioning jack | |
| CN202290730U (en) | Connection structure for water-cooling top head of puncher and top rod | |
| CN208601001U (en) | A kind of ring flange pressing machine | |
| CN104339305B (en) | Range piston cylinder sleeve pull-out accessory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20140922 Granted publication date: 20090225 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150322 Granted publication date: 20090225 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20140307 |
|
| EXPY | Termination of patent right or utility model |