CN210239616U

CN210239616U - Hook block of traveling block

Info

Publication number: CN210239616U
Application number: CN201920994153.0U
Authority: CN
Inventors: Meizhong Xia; 夏美忠
Original assignee: Gaoyou Laiboshi Petroleum Equipment Co ltd
Current assignee: Gaoyou Laiboshi Petroleum Equipment Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-03
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a petroleum equipment technical field just discloses a trip car hook, including rings and jib assembly and lifting ring seat, lifting ring round pin and jib assembly swing joint are passed through to the bottom of rings, the side of rings passes through bolt and jib assembly swing joint, the top fixed mounting of jib assembly has the locating plate, the lifting ring seat is located the side of jib assembly, the inside fixed mounting of lifting ring seat has the positioning disk, the top movable mounting of positioning disk has the oil blanket seat. This trip big hook can guarantee through last barrel and lower barrel and O type sealing washer that the inside of interior spring and outer spring forms encapsulated situation, and then makes lubricating oil can prevent the oil leak to the effect of interior spring and outer spring, can brake and then guarantee through arresting gear that its maximum stroke can not appear in the action of big hook at the in-process buffer who uses and then protect buffer.

Description

Hook block of traveling block

Technical Field

The utility model relates to a petroleum technical field specifically is a trip block hook.

Background

The traveling block and the hook are important hoisting equipment for tripping drill rods, oil pipes, sucker rods and various drilling tools in drilling, production and workover operations, and have the main functions of: the large hook mainly comprises a hook body, a hook rod, a hook barrel, a main bearing, a spring and the like, one end of the hook rod penetrates through the hook barrel and is rotatably connected with the hook barrel, the other end of the hook rod is fixedly connected with the hook body, so that the hook rod can drive the hook body to rotate, the spring is installed in the hook barrel and plays a role in buffering, the detached stand is convenient to move away from the tubular column and mitigate impact and vibration, and the drilling progress is accelerated and the service life of each component is prolonged.

The trip hook structure that uses at present is compact enough, and buffering effect is not good enough under the great circumstances of atress, causes great impact and then leads to the damage of each subassembly of trip hook between each subassembly easily, and the in-process that the trip hook that uses at present can't be not good enough to the effect of blocking of the safety pin body, and the buffer of inside moreover can't be better carry out better lubrication and then prevent buffer wearing and tearing from appearing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car hook has the buffering effectual, and the lubrication of buffering subassembly is effectual, and the effectual advantage of joint of the safety pin body has solved the problem mentioned in the above background art.

The utility model provides a following technical scheme: a large hook of a traveling block comprises a lifting ring, a suspender assembly and a lifting ring seat, wherein the bottom of the lifting ring is movably connected with the suspender assembly through a lifting ring pin, the side surface of the lifting ring is movably connected with the suspender assembly through a bolt, a positioning plate is fixedly arranged at the top of the suspender assembly, the lifting ring seat is positioned at the side surface of the suspender assembly, a positioning disc is fixedly arranged inside the lifting ring seat, an oil seal seat is movably arranged at the top of the positioning disc, an upper bushing is movably arranged at the side surface of the oil seal seat, a first spring is fixedly connected at the bottom of the positioning disc, an upper barrel body is movably clamped at the bottom of the lifting ring seat, a lower barrel body is movably clamped at the bottom of the upper barrel body, a plug is movably arranged at the side surface of the lower barrel body, an O-shaped sealing ring is movably clamped at the lower part of the plug, a lower bushing is fixedly arranged at the side surface of the bottom of the suspender assembly, the side fixed mounting of lower bush has the spring holder, the top fixedly connected with outer spring of spring holder, the inboard fixed mounting that the spring holder is located outer spring has the inner spring, the bottom movable mounting of jib assembly has arresting gear, arresting gear's bottom fixed mounting has safe piece, the below movable mounting of safe piece has the ejector pin, the inside movable mounting of ejector pin has the second spring, the bottom movable mounting of jib assembly has the coupler body, the side movable mounting of coupler body has safe round pin axle, the top movable mounting of safe round pin axle has the safe body of selling, the top of the safe body of selling and the bottom swing joint of ejector pin.

Preferably, the outer surface of the bottom of the suspender assembly is movably connected with the lower bushing through a bearing, the inner side of the top of the hook body is movably connected with the outer surface of the bottom of the suspender assembly through a locking ring, and the top of the locking ring is movably provided with a stop ring.

Preferably, the side of the oil seal seat that is located the positioning disk is fixed to be communicated with the oil cup, the side activity joint that the outside of bolt is located rings has the split pin.

Preferably, the top parts of the outer spring and the inner spring extend to the O-shaped sealing ring, the lower barrel, the upper barrel and the lifting ring seat in sequence and are connected with the top part of the spring seat.

Preferably, the inner side surface of the hook body is matched with the side surface of the safety pin body.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this trip big hook can guarantee through last barrel and lower barrel and O type sealing washer that the inside of interior spring and outer spring forms encapsulated situation, and then makes lubricating oil can prevent the oil leak to the effect of interior spring and outer spring, can brake and then guarantee through arresting gear that its maximum stroke can not appear in the action of big hook at the in-process buffer who uses and then protect buffer.

2. This trip big hook can move the safety pin body and then guarantee that the safety pin body carries out the joint to the part that the hook body is hanging through safety piece and ejector pin and second spring, prevents to appear dropping, and the plug can be emitted the lubricating oil after the use and then change lubricating oil in a terminal time, can carry out the oiling and then lubricate internal spring and outer spring through the oil cup.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a side sectional view of the structure of the present invention.

In the figure: 1. a hoisting ring; 2. a boom assembly; 3. a shackle pin; 4. an oil seal seat; 5. positioning a plate; 6. a first spring; 7. an upper bushing; 8. a suspension ring seat; 9. a locking ring; 10. an upper cylinder body; 11. a lower cylinder body; 12. a bearing; 13. an inner spring; 14. an outer spring; 15. an O-shaped sealing ring; 16. a lower bushing; 17. a spring seat; 18. a snap ring; 19. a braking device; 20. a safety block; 21. a top rod; 22. a second spring; 23. a safety pin body; 24. a safety pin shaft; 25. a hook body; 26. a bolt; 27. plugging with a thread; 28. positioning a plate; 29. an oil cup; 30. and a cotter pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a hook block for a traveling block comprises a hanging ring 1, a suspension rod assembly 2 and a hanging ring seat 8, wherein the bottom of the hanging ring 1 is movably connected with the suspension rod assembly 2 through a hanging ring pin 3, the side surface of the hanging ring 1 is movably connected with the suspension rod assembly 2 through a bolt 26, the outer side of the bolt 26 is movably clamped with a cotter pin 30 at the side surface of the hanging ring 1, the top of the suspension rod assembly 2 is fixedly provided with a positioning plate 28, the hanging ring seat 8 is positioned at the side surface of the suspension rod assembly 2, the interior of the hanging ring seat 8 is fixedly provided with a positioning plate 5, the top of the positioning plate 5 is movably provided with an oil seal seat 4, the side surface of the oil seal seat 4 positioned at the positioning plate 5 is fixedly communicated with an oil cup 29, the oil can be injected into an inner spring 13 and an outer spring 14 through the oil cup 29 for lubrication, the side surface of the oil seal seat 4 is movably, the bottom of the suspension ring seat 8 is movably clamped with an upper cylinder body 10, the bottom of the upper cylinder body 10 is movably clamped with a lower cylinder body 11, the side surface of the lower cylinder body 11 is movably provided with a plug 27, the plug 27 can discharge used lubricating oil within a period of time so as to replace the lubricating oil, the bottom of the lower cylinder body 11 is positioned below the plug 27 and is movably clamped with an O-shaped sealing ring 15, the outer side surface of the bottom of the suspender assembly 2 is positioned on the side surface of the O-shaped sealing ring 15 and is fixedly provided with a lower bushing 16, the outer surface of the bottom of the suspender assembly 2 is movably connected with the lower bushing 16 through a bearing 12, the side surface of the lower bushing 16 is fixedly provided with a spring seat 17, the top of the spring seat 17 is fixedly connected with an outer spring 14, the spring seat 17 is positioned on the inner side of the outer spring 14 and is fixedly provided with an inner spring 13, the tops of the outer spring 14 and the inner spring 13 sequentially extend to the O-shaped sealing, the inner parts of the inner spring 13 and the outer spring 14 can be ensured to form a sealing state through the upper cylinder 10, the lower cylinder 11 and the O-shaped sealing ring 15, so that lubricating oil can prevent oil leakage under the action of the inner spring 13 and the outer spring 14, the bottom of the suspender assembly 2 is movably provided with a braking device 19, the bottom of the braking device 19 is fixedly provided with a safety block 20, the braking device 19 can brake under the buffering action of a buffering device in the using process of a hook so as to ensure that the action of the buffering device does not have the maximum stroke and further protect the buffering device, a mandril 21 is movably arranged below the safety block 20, the inner part of the mandril 21 is movably provided with a second spring 22, the bottom of the suspender assembly 2 is movably provided with a hook body 25, the inner side of the top of the hook body 25 is movably connected with the outer surface of the bottom of the suspender assembly 2 through a locking ring 9, the top of the locking, the side movable mounting of coupler body 25 has safety pin shaft 24, safety pin shaft 24's top movable mounting has safety pin body 23, the medial surface of coupler body 25 and safety pin body 23's side mutually support, safety pin body 23's top and ejector pin 21's bottom swing joint can move safety pin body 23 and then guarantee that safety pin body 23 carries out the joint to the part that is hanging on coupler body 25 through safety block 20 and ejector pin 21 and second spring 22, prevent to appear dropping.

The theory of operation, the cooperation through bolt 26 and split pin 30 makes rings 1 fix, when coupler 25 hooked the main object, ejector pin 21 drove safety pin body 23 this moment and moves and make the object and hook fix at coupler 25, prevent to drop, need carry out the inside oiling of carrying out to inner spring 13 and outer spring 14 through oil cup 29 when needs carry out the oiling, when using after a period of time need change oil directly unscrew plug 27 with lubricating oil and emit can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a trip car hook, includes rings (1) and jib assembly (2) and lifting ring seat (8), its characterized in that: the bottom of rings (1) is through suspension link round pin (3) and jib assembly (2) swing joint, the side of rings (1) is through bolt (26) and jib assembly (2) swing joint, the top fixed mounting of jib assembly (2) has locating plate (28), suspension link seat (8) are located the side of jib assembly (2), the inside fixed mounting of suspension link seat (8) has positioning disk (5), the top movable mounting of positioning disk (5) has oil seal seat (4), the side movable mounting of oil seal seat (4) has last bush (7), the bottom fixed connection of positioning disk (5) has first spring (6), the bottom activity joint of suspension link seat (8) has last barrel (10), the bottom activity joint of going up barrel (10) has barrel (11) down, the side movable mounting of barrel (11) has plug (27) down, the bottom of the lower barrel body (11) is movably clamped with an O-shaped sealing ring (15) below a screwed plug (27), the lateral surface of the bottom of the suspender assembly (2) is fixedly provided with a lower bushing (16) on the side of the O-shaped sealing ring (15), the side of the lower bushing (16) is fixedly provided with a spring seat (17), the top of the spring seat (17) is fixedly connected with an outer spring (14), the spring seat (17) is fixedly provided with an inner spring (13) on the inner side of the outer spring (14), the bottom of the suspender assembly (2) is movably provided with a braking device (19), the bottom of the braking device (19) is fixedly provided with a safety block (20), the lower part of the safety block (20) is movably provided with a mandril (21), the inside of the mandril (21) is movably provided with a second spring (22), the bottom of the suspender assembly (2) is movably provided with a hook body (25, the side of the hook body (25) is movably provided with a safety pin shaft (24), the top of the safety pin shaft (24) is movably provided with a safety pin body (23), and the top of the safety pin body (23) is movably connected with the bottom of the ejector rod (21).

2. The carriage hook according to claim 1, wherein: the outer surface of the bottom of the suspender assembly (2) is movably connected with the lower bushing (16) through a bearing (12), the inner side of the top of the hook body (25) is movably connected with the outer surface of the bottom of the suspender assembly (2) through a locking ring (9), and the top of the locking ring (9) is movably provided with a stop ring (18).

3. The carriage hook according to claim 1, wherein: the side face, located on the positioning disc (5), of the oil seal seat (4) is fixedly communicated with an oil cup (29), and the side face, located on the lifting ring (1), of the outer side of the bolt (26) is movably clamped with a split pin (30).

4. The carriage hook according to claim 1, wherein: the top parts of the outer spring (14) and the inner spring (13) sequentially extend to the O-shaped sealing ring (15), the lower barrel (11), the upper barrel (10) and the lifting ring seat (8) and are connected with the top part of the spring seat (17).

5. The carriage hook according to claim 1, wherein: the inner side surface of the hook body (25) is matched with the side surface of the safety pin body (23).