CN210829128U

CN210829128U - Make things convenient for high hydraulic cat head of breaking out of going up of safety in utilization performance

Info

Publication number: CN210829128U
Application number: CN201921654609.5U
Authority: CN
Inventors: 陈朝全
Original assignee: BAOJI ENGINEERING HYDRAULIC PARTS FACTORY
Current assignee: BAOJI ENGINEERING HYDRAULIC PARTS FACTORY
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-23
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a make things convenient for hydraulic pressure cat head that breaks out on that safety performance is high, including support frame, the hydro-cylinder that breaks out on and wire rope, the outer end of support frame is rotated and is connected with the hydro-cylinder that breaks out on, and the lower extreme of the hydro-cylinder that breaks out on installs the wedge joint, wire rope is installed to the lower extreme bolt of wedge joint, and wire rope's end runs through and installs fastening screw to wire rope's outer end internal surface fixedly connected with skid resistant course, the lower extreme of support frame is provided with the butt joint piece, and the outside of support frame runs through and installs connection handle, and connection handle's terminal fixedly connected with sliding block. This make things convenient for hydraulic pressure cat head of break out on that safety performance is high, if during the too big cracked phenomenon of emergence of wire rope pressurized degree, the movable roll will avoid wire rope's the direct butt joint piece of the power of breaking that stretches tight to lead to the fact too big vibrations through with the block state between the spacing roller to the safety in utilization of whole device has been improved.

Description

Make things convenient for high hydraulic cat head of breaking out of going up of safety in utilization performance

Technical Field

The utility model relates to an on break out hydraulic pressure cat head technical field specifically is an on break out hydraulic pressure cat head that facilitates use security performance is high.

Background

Along with the continuous development of the industrialization of china, the exploitation fields such as oil are also constantly developing, and need use in the course of working like industrial apparatus such as hydraulic cat head, and hydraulic cat head is applicable to oil drilling and plays tight (pine) and detain the operation, but current hydraulic cat head of breaking out still has certain defect, just for example:

1. if the upper shackle hydraulic cat head with the publication number of CN2537806 is driven by hydraulic pressure, the output torque can be conveniently adjusted according to the pipe diameter to complete the upper shackle operation, and the existing upper shackle hydraulic cat head has large bearing pressure, so that the phenomena of steel rope fracture and the like are easily generated in the use process, certain potential safety hazards exist, and the use safety of a user cannot be ensured in the working process;

2. the existing hydraulic cat head for threading up cannot enable a user to conveniently and rapidly carry out threading up and threading down operation, and the phenomenon that the friction force is too large and blocking easily occurs when a take-up pulley moves due to the fact that the pressure bearing of hydraulic equipment is large, so that certain use defects exist.

To the above-mentioned problem, need urgently carry out the innovative design on the basis of original hydraulic pressure cat head structure of breaking out on.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make things convenient for hydraulic pressure cat head that breaks out on that security performance is high to the unable user of guaranteeing its safety in utilization in the working process that proposes in solving above-mentioned background art, the pressure-bearing is great, and the too big problem of the phenomenon of easily taking place the jam of frictional force when leading to the take-up pulley activity.

In order to achieve the above object, the utility model provides a following technical scheme: the upper shackle hydraulic cat head with high convenience and safety performance comprises a support frame, an upper shackle oil cylinder and a steel wire rope, wherein the outer end of the support frame is rotatably connected with the upper shackle oil cylinder, the lower end of the upper shackle oil cylinder is provided with a wedge-shaped joint, the steel wire rope is installed on a lower end bolt of the wedge-shaped joint, the tail end of the steel wire rope is provided with a fastening screw in a penetrating way, the inner surface of the outer end of the steel wire rope is fixedly connected with an anti-slip layer, the lower end of the support frame is provided with a butt-joint block, the outer side of the support frame is provided with a connecting handle in a penetrating way, the tail end of the connecting handle is fixedly connected with a sliding block, the inner surface of the butt-joint block is provided with a sliding groove, the sliding groove is connected with the sliding block, the inner surface of the sliding, and the draw-in groove is connected with the sliding block, the outside fixedly connected with second spring of spacing roller, and the surface rotation of spacing roller is connected with the ratchet to the ratchet is connected with the second spring, the internal surface mounting of butt joint piece has the movable roller, and the external surface fixedly connected with fixed block of movable roller, the outside rotation of fixed block is connected with the pulley, and the pulley is connected with the internal surface of butt joint piece.

Preferably, the tail end of the steel wire rope is of a fan-shaped structure, an anti-skid layer is fixedly connected to the inner side of the steel wire rope, and the anti-skid layer is made of rubber.

Preferably, the connecting handle and the inner surface of the butt joint block form a telescopic structure through the first spring, and the connecting handle and the sliding block are of an integrated structure.

Preferably, the sliding block is of a cross-shaped structure in the front view, the sliding block forms a sliding structure through the sliding groove and the inner side of the butt joint block, and the sliding block forms a clamping structure through the clamping groove and the limiting roller.

Preferably, the inner surfaces of the limiting roller and the movable roller are in nested connection, the outer side of the limiting roller forms an elastic structure with the ratchet through the second spring, and the limiting roller forms concave-convex fit with the inner side of the fixed block through the ratchet.

Preferably, the movable roller forms a rotating structure with the inner surface of the butt joint block through the fixed block, and pulleys are uniformly distributed on the outer surface of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that: the upper shackle hydraulic cat head is convenient to use and high in safety performance;

1. the movable roller is provided with a unidirectional rotating movable roller, the steel wire rope pulled by the end part of the tongs can improve the contact friction force of the steel wire rope through the evenly distributed anti-slip layer along with the fact that a user penetratingly installs the steel wire rope on the outer side of the movable roller, so that the steel wire rope is prevented from easily falling off, and meanwhile, if the steel wire rope is broken due to overlarge pressure degree, the movable roller can be prevented from directly causing overlarge vibration to the splicing block due to the snapping force of the steel wire rope through the clamping state between the movable roller and the limiting roller, so that the use safety and the stability of the whole device are improved;

2. be provided with the pulley of symmetric distribution, when the movable roll of guide wire rope was carried out the operation of breaking out on the atress, at first the movable roll will be through its outside and the butt joint between the piece nested fixed block stable rotate, the fixed block will be stabilized rotatory through evenly distributed's pulley simultaneously, and then reduces frictional force when making the movable roll of atress rotate to it is smooth and easy to make its pivoted more stable.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the butt-joint block of the present invention;

FIG. 3 is a schematic side view of the movable roller of the present invention;

fig. 4 is the side sectional structural schematic view of the limiting roller of the present invention.

In the figure: 1. a support frame; 2. screwing on the shackle oil cylinder; 3. a wedge joint; 4. a wire rope; 5. fastening screws; 6. an anti-slip layer; 7. a butt joint block; 8. a connecting handle; 9. a chute; 10. a slider; 11. a first spring; 12. a card slot; 13. a limiting roller; 14. a second spring; 15. a movable roller; 16. a fixed block; 17. a pulley; 18. a ratchet.

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. 1-4, the present invention provides a technical solution: an upper shackle hydraulic cat head with convenient use and high safety performance comprises a support frame 1, an upper shackle oil cylinder 2, a wedge-shaped joint 3, a steel wire rope 4, a fastening screw 5, an anti-slip layer 6, a butt joint block 7, a connecting handle 8, a sliding groove 9, a sliding block 10, a first spring 11, a clamping groove 12, a limiting roller 13, a second spring 14, a movable roller 15, a fixed block 16, a pulley 17 and a ratchet 18, wherein the outer end of the support frame 1 is rotatably connected with the upper shackle oil cylinder 2, the lower end of the upper shackle oil cylinder 2 is provided with the wedge-shaped joint 3, the steel wire rope 4 is arranged on a lower end bolt of the wedge-shaped joint 3, the fastening screw 5 is arranged at the tail end of the steel wire rope 4 in a penetrating way, the anti-slip layer 6 is fixedly connected to the inner surface of the outer end of the steel wire rope 4, the butt joint block 7 is arranged at the lower end of, spout 9 has been seted up to the internal surface of butt joint piece 7, and spout 9 is connected with sliding block 10, the internal surface fixed connection of spout 9 has first spring 11, and first spring 11 is connected with sliding block 10, spacing roller 13 is installed to the inboard of butt joint piece 7, and the internal surface of spacing roller 13 has seted up draw-in groove 12, and draw-in groove 12 is connected with sliding block 10, the outside fixedly connected with second spring 14 of spacing roller 13, and the surface rotation of spacing roller 13 is connected with ratchet 18, and ratchet 18 is connected with second spring 14, the internal surface mounting of butt joint piece 7 has movable roller 15, and the fixed surface fixed connection of movable roller 15 has fixed block 16, the outside rotation of fixed block 16 is connected with pulley 17, and pulley 17 is connected with the internal surface of butt joint piece 7.

The tail end of the steel wire rope 4 is of a fan-shaped structure, the inner side of the steel wire rope 4 is fixedly connected with the anti-slip layer 6, the anti-slip layer 6 is made of rubber, and the friction force and the stability of the external tongs during butt joint are fully guaranteed through the convex anti-slip layer 6 fixed on the inner side of the steel wire rope 4;

the connecting handle 8 and the inner surface of the butt joint block 7 form a telescopic structure through a first spring 11, the connecting handle 8 and the sliding block 10 are of an integrated structure, the sliding block 10 is of a cross-shaped structure in front view, the sliding block 10 and the inner side of the butt joint block 7 form a sliding structure through a sliding groove 9, the sliding block 10 and the limiting roller 13 form a clamping structure through a clamping groove 12, and a user can conveniently adjust the moving state of the limiting roller 13 through the movable sliding block 10, so that the limiting function of the connecting handle is realized;

the inner surfaces of the limit roller 13 and the movable roller 15 are in nested connection, the outer side of the limit roller 13 forms an elastic structure with the ratchets 18 through the second springs 14, the limit roller 13 forms concave-convex fit with the inner side of the fixed block 16 through the ratchets 18, and the movable roller 15 on the outer side of the limit roller 13 can only move unidirectionally when rotating through the ratchets 18 which are uniformly distributed;

the movable roller 15 forms a rotating structure through the fixed block 16 and the inner surface of the butt joint block 7, the pulleys 17 are uniformly distributed on the outer surface of the fixed block 16, and the fixed block 16 with the limiting effect can rotate stably and more smoothly through the uniformly distributed pulleys 17.

The working principle is as follows: when the hydraulic cat head with convenient use and high safety performance is used, according to the figures 1 and 3, the device is firstly placed at a position needing to work, one end of a cat head steel wire rope 4 is sleeved on the tail handle of an external tong, the steel wire rope 4 pulled by the end part of the tong can improve the contact friction force through an evenly distributed anti-slip layer 6 so as to avoid the phenomenon that the cat head steel wire rope easily falls off, the other end of the cat head steel wire rope is tightly wound along a movable roller 15 and fastened at the lower end of an upper shackle oil cylinder 2, then a piston rod of the upper shackle oil cylinder 2 can retract, the steel wire rope 4 is driven by the rotation of the movable roller 15 to rotate for a certain angle so as to finish the action of screwing and unscrewing, the movable roller 15 can stably rotate through a fixed block 16 nested between the outer side of the movable roller and a butt joint block 7, and simultaneously the fixed block 16 can stably rotate along the inner side of the fixed block through evenly, so that the friction force is reduced when the stressed movable roller 15 rotates, the rotation is more stable and smooth, and the working safety and stability of the whole device are improved;

according to the figures 1, 2 and 4, in the working process of the device, the movable roller 15 can rotate along the outer side of the limit roller 13 in a single direction, if the steel wire rope 4 is accidentally broken due to too large compression degree during use, the movable roller 15 can rotate due to huge broken vibration, and the ratchets 18 uniformly distributed on the outer side of the limit roller 13 can form a clamping state with the movable roller 15, so that the excessive vibration influence on the device caused by the tension force of the steel wire rope 4 is avoided, the safety of the whole device is ensured, when a user needs to assemble and disassemble the movable roller 15, the user only needs to hold the connecting handle 8 to drive the sliding block 10 to extrude the first spring 11 to move, the cross-shaped sliding block 10 is separated from the limit state between the cross-shaped sliding block and the limit roller 13, and the movable roller 15 can be wound in a forward and reverse rotation movable state, the overall practicability is increased.

Those not described in detail in this specification are within the skill of the art.

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 make things convenient for hydraulic cat head that breaks out on that safety performance is high, includes support frame (1), goes up hydro-cylinder (2) and wire rope (4) that break out, its characterized in that: the outer end of the support frame (1) is rotatably connected with an upper shackle oil cylinder (2), the lower end of the upper shackle oil cylinder (2) is provided with a wedge-shaped joint (3), a steel wire rope (4) is installed on a lower end bolt of the wedge-shaped joint (3), a fastening screw (5) is installed at the tail end of the steel wire rope (4) in a penetrating mode, an anti-slip layer (6) is fixedly connected with the inner surface of the outer end of the steel wire rope (4), a butt joint block (7) is arranged at the lower end of the support frame (1), a connecting handle (8) is installed on the outer side of the support frame (1) in a penetrating mode, a sliding block (10) is fixedly connected with the tail end of the connecting handle (8), a sliding groove (9) is formed in the inner surface of the butt joint block (7), the sliding block (9) is connected with the sliding block (10), a first spring (11), spacing roller (13) are installed to the inboard of butt joint piece (7), and draw-in groove (12) have been seted up to the internal surface of spacing roller (13) to draw-in groove (12) are connected with sliding block (10), the outside fixedly connected with second spring (14) of spacing roller (13), and the surface rotation of spacing roller (13) is connected with ratchet (18), and ratchet (18) are connected with second spring (14), the internal surface mounting of butt joint piece (7) has movable roller (15), and the external fixed surface of movable roller (15) is connected with fixed block (16), the outside rotation of fixed block (16) is connected with pulley (17), and pulley (17) are connected with the internal surface of butt joint piece (7).

2. The hydraulic cat head with convenient use and high safety for upper shackle as claimed in claim 1, is characterized in that: the tail end of the steel wire rope (4) is of a fan-shaped structure, an anti-skid layer (6) is fixedly connected to the inner side of the steel wire rope (4), and the anti-skid layer (6) is made of rubber.

3. The hydraulic cat head with convenient use and high safety for upper shackle as claimed in claim 1, is characterized in that: the connecting handle (8) and the inner surface of the butt joint block (7) form a telescopic structure through a first spring (11), and the connecting handle (8) and the sliding block (10) are of an integrated structure.

4. The hydraulic cat head with convenient use and high safety for upper shackle as claimed in claim 1, is characterized in that: the sliding block (10) is of a cross-shaped structure in front view, the sliding block (10) forms a sliding structure with the inner side of the butt joint block (7) through the sliding groove (9), and the sliding block (10) forms a clamping structure with the limiting roller (13) through the clamping groove (12).

5. The hydraulic cat head with convenient use and high safety for upper shackle as claimed in claim 1, is characterized in that: the inner surfaces of the limiting roller (13) and the movable roller (15) are connected in a nested mode, the outer side of the limiting roller (13) forms an elastic structure with the ratchet (18) through the second spring (14), and the limiting roller (13) forms concave-convex fit with the inner side of the fixed block (16) through the ratchet (18).

6. The hydraulic cat head with convenient use and high safety for upper shackle as claimed in claim 1, is characterized in that: the movable roller (15) forms a rotating structure with the inner surface of the butt joint block (7) through the fixed block (16), and pulleys (17) are uniformly distributed on the outer surface of the fixed block (16).