CN203626647U - Novel self-locking elevator pin - Google Patents
Novel self-locking elevator pin Download PDFInfo
- Publication number
- CN203626647U CN203626647U CN201320866182.1U CN201320866182U CN203626647U CN 203626647 U CN203626647 U CN 203626647U CN 201320866182 U CN201320866182 U CN 201320866182U CN 203626647 U CN203626647 U CN 203626647U
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- pin
- lock pin
- elevator
- fixed
- locking
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Abstract
The utility model discloses a novel self-locking elevator pin. The novel self-locking elevator pin comprises a main hinge pin and a fixed handle. A rotary shaft is arranged on a base in a rotary mode. The novel self-locking elevator pin is characterized in that the elevator pin further comprises a spring, a movable handle, a transmission rod, a lock pin and a supporting plate, the movable handle and the transmission rod are both fixed to the rotary shaft, one end of the lock pin is movably connected with the free end of the transmission rod, the other end of the lock pin is fixed to the main hinge pin, a limiting hole which is matched with the tail end of the lock pin is formed in the main hinge pin, the supporting plate is fixed to the fixed handle, the lock pin penetrates through a through hole formed in the supporting plate, and the spring forces the lock pin to be pressed towards the main hinge pin through the rotary shaft under the condition that no external force is exerted. According to the novel self-locking elevator pin, self-locking can be achieved after the whole pin is arranged on an elevator, and the situation that a pin is disengaged from an elevator due to stress of the pin in the prior art is avoided; meanwhile, injuries, caused by disengagement of the pin, to people are avoided. The operating method of the novel self-locking elevator pin and the operating method of a traditional duckbilled elevator pin are almost identical, and the novel self-locking elevator pin can be used and popularized easily.
Description
Technical field
The utility model relates to a kind of Novel self-locking lift-sub pin, in particular, relates in particular to a kind of Novel self-locking lift-sub pin of realizing self-locking by spring, rotating shaft, drive link and lock pin.
Background technology
Operation lift-sub pin is the safety device during oil field operation is produced, and the quality of its performance directly has influence on the personal safety of operating worker.The lift-sub pin that operation field uses is at present from the initial direct insertion duck-beak type that is improved to, and the lift-sub pin after improvement has played good effect in process of production.Duck-beak type lift-sub pin as shown in Figure 1.
This duckbilled pin is mainly made up of stub axle 1, fixed handle 2, rotating shaft 4, spring 5, flexible handle 6, L shaped gag lever post 15.Although duck-beak type lift-sub pin is safer, because it in process of production can not self-locking, therefore still there is in process of production the generation of ejecting elevator phenomenon, there is the event that after duck-beak type lift-sub pin ejects, falling from high altitude is hurted sb.'s feelings again in oil recovery factory.In operation lower oil tube manufacturing process, in the time that oil pipe falls well, elevator can produce a larger reaction force, impels bullet on elevator, when elevator run into suspension ring stop speed vanishing time, elevator can be given reaction force of lift-sub pin, and as shown in the direction of arrow in Fig. 1, at this moment pressing plate can be rotated counterclockwise along rotating shaft, make L shaped gag lever post 15 produce opening, cause pin to eject elevator, if now safety rope is by elevator and suspension ring squeeze off or safety rope lost efficacy, will produce elevator casualty accident.
Summary of the invention
The utility model, in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of Novel self-locking lift-sub pin of realizing self-locking by spring, rotating shaft, drive link and lock pin.
Novel self-locking lift-sub pin of the present utility model, comprises the stub axle matching with the spacing hole on elevator and the fixed handle that is fixed on stub axle top, is fixed with base on fixed handle, on base, rotates and is provided with rotating shaft; Its special feature is: also comprise spring, flexible handle, drive link, lock pin and gripper shoe, described flexible handle, drive link are all fixed in rotating shaft; One end of lock pin is flexibly connected with the free end of drive link, and the other end is fixed on stub axle, offers the spacing hole matching with the end of lock pin on stub axle; Gripper shoe and fixed handle fix, and lock pin is through the through hole arranging in gripper shoe, and the situation lower spring that does not apply external force forces lock pin to press to stub axle by rotating shaft.
Stub axle, for being inserted in the through hole of elevator, is realized the locking of elevator; Under the elastic force effect of spring, can realize self-locking effect by rotating shaft, drive link and lock pin, can effectively avoid stub axle to depart from from elevator, the generation of having avoided pin to eject rear peril.Flexible handle, drive link are all fixed in rotating shaft, and the free end of power transmission shaft is connected with lock pin, like this, are held tight flexible handle and can be ordered about the motion of lock pin by use, and it is opened.
Novel self-locking lift-sub pin of the present utility model, is fixed with the fairlead to lock pin guiding in described gripper shoe, lock pin is among the through hole of fairlead.By gripper shoe and fairlead are set, further increase the fastness of lock pin in the time of locking state.
Novel self-locking lift-sub pin of the present utility model, the end of described lock pin is provided with left limit plate and right limit plate, the free end of drive link and the junction of lock pin are between left limit plate and right limit plate, and the end of drive link is provided with lock pin is carried out to spacing baffle plate.
The beneficial effects of the utility model are: Novel self-locking lift-sub pin of the present utility model, by rotating shaft is set on base, in rotating shaft, fix flexible handle and drive link, lock pin is connected with the end of drive link, force lock pin to press to stub axle upper limit hole by spring, realize the self-locking action after whole pin is arranged on elevator, avoided causing because pin is stressed pin to depart from the generation of situation in the past, avoided pin to depart from the generation of casualty accident simultaneously.By gripper shoe and fairlead are set, further increase the fastness of lock pin; Self-locking elevator pin of the present utility model, basically identical with the method for operating of duck-beak type lift-sub pin in the past, be convenient to application.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing duck-beak type lift-sub pin;
Fig. 2 is the structural representation of Self-locking elevator pin of the present utility model.
In figure: 1 stub axle, 2 fixed handles, 3 bases, 4 rotating shafts, 5 springs, 6 flexible handles, 7 drive links, 8 lock pins, 9 gripper shoes, 10 fairleads, 11 baffle plates, 12 spacing holes, 13 left limit plates, 14 right limit plates, 15 L shaped gag lever posts.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, provided the structural representation of existing duck-beak type lift-sub pin, the locking mechanism of this pin only has L shaped gag lever post composition, in the process using easily and elevator be separated, easily cause the generation of industrial accident.
As shown in Figure 2, provided the structural representation of Self-locking elevator pin of the present utility model, it comprises stub axle 1, fixed handle 2, base 3, rotating shaft 4, spring 5, flexible handle 6, drive link 7, lock pin 8, gripper shoe 9; Upper end and the fixed handle 2 of shown stub axle 1 fix, and base 3 is fixed on fixed handle 2, and rotating shaft 4 is arranged on base 3 rotationally.Flexible handle 6, drive link 7 are all fixed in rotating shaft 4, and the right-hand member of lock pin 8 is connected with the free end of drive link 7, offer the spacing hole 12 matching with the left top of lock pin 8 on spacing hole 12, so that lock pin 8 is firmly fixed on stub axle 1.Spring 5 forces lock pin 8 to press to spacing hole 12 positions on stub axle 1 by rotating shaft 4, drive link 7, like this, has just realized pin and has been arranged at the self-locking effect after elevator, can effectively avoid whole pin to come off from elevator, has avoided the generation of pin casualty accident.
Shown in the upper end of gripper shoe 9 be fixed on fixed handle 2, lock pin 8 is through the through hole in gripper shoe 9, and can be freely movable; In shown gripper shoe, be also provided with fairlead 10, lock pin 8 is through the central cavity of fairlead 10.Like this, by gripper shoe 9 and fairlead 10, both realize the reinforcing to lock pin 8, realized again the guide effect to lock pin 8.The right-hand member of shown lock pin 8 is provided with left limit plate 13 and right limit plate 14, position between left limit plate 13 and right limit plate 14 is connected with the free end of drive link 7, the end of drive link 7 is also provided with baffle plate 11, moves to order about lock pin 8 by drive link 7.If pin of the present utility model need to be unloaded from elevator, grasp flexible handle 6, make it press to fixed handle 2, can order about drive link 7 rotates counterclockwise, thereby band pendulum lock pin 8 moves right, make to produce enough spaces between lock pin 8 and stub axle 1, pin can be pulled down from elevator.
Claims (3)
1. a Novel self-locking lift-sub pin, comprises the stub axle (1) matching with the spacing hole on elevator and the fixed handle (2) that is fixed on stub axle top, is fixed with base (3) on fixed handle, on base, rotates and is provided with rotating shaft (4); It is characterized in that: also comprise spring (5), flexible handle (6), drive link (7), lock pin (8) and gripper shoe (9), described flexible handle, drive link are all fixed in rotating shaft; One end of lock pin is flexibly connected with the free end of drive link, and the other end is fixed on stub axle, offers the spacing hole (12) matching with the end of lock pin on stub axle; Gripper shoe and fixed handle fix, and lock pin is through the through hole arranging in gripper shoe, and the situation lower spring that does not apply external force forces lock pin to press to stub axle by rotating shaft.
2. Novel self-locking lift-sub pin according to claim 1, is characterized in that: in described gripper shoe (10), be fixed with the fairlead (10) to lock pin (8) guiding, lock pin is among the through hole of fairlead.
3. Novel self-locking lift-sub pin according to claim 1 and 2, it is characterized in that: the end of described lock pin (8) is provided with left limit plate (13) and right limit plate (14), the free end of drive link (7) and the junction of lock pin are between left limit plate and right limit plate, and the end of drive link is provided with lock pin is carried out to spacing baffle plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866182.1U CN203626647U (en) | 2013-12-26 | 2013-12-26 | Novel self-locking elevator pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866182.1U CN203626647U (en) | 2013-12-26 | 2013-12-26 | Novel self-locking elevator pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203626647U true CN203626647U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320866182.1U Expired - Fee Related CN203626647U (en) | 2013-12-26 | 2013-12-26 | Novel self-locking elevator pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203626647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114012A (en) * | 2015-09-22 | 2015-12-02 | 张敏 | Automatic protection safety elevator |
| CN108167582A (en) * | 2018-03-02 | 2018-06-15 | 盐城融凡纺织制衣有限公司 | A kind of easy-to-dismount weaving frame of textile machines |
-
2013
- 2013-12-26 CN CN201320866182.1U patent/CN203626647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114012A (en) * | 2015-09-22 | 2015-12-02 | 张敏 | Automatic protection safety elevator |
| CN108167582A (en) * | 2018-03-02 | 2018-06-15 | 盐城融凡纺织制衣有限公司 | A kind of easy-to-dismount weaving frame of textile machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |