CN211004157U

CN211004157U - Tool for quickly hoisting safety valve

Info

Publication number: CN211004157U
Application number: CN201921753298.8U
Authority: CN
Inventors: 郝洪普; 王震
Original assignee: Sinopec Zhongyuan Petrochemical Corp Ltd
Current assignee: Sinopec Zhongyuan Petrochemical Corp Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-14
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a tool for rapid hoisting of a safety valve, which comprises a fixed chuck, wherein the fixed chuck comprises a left chuck and a right chuck, the left chuck comprises a clamping part and a connecting part, a clamping block is arranged on the inner side surface of the clamping part, a rubber pad is bonded on the clamping block, the connecting part is distributed at two ends of the clamping part, an inner through hole and an outer through hole are arranged on the connecting part, the right chuck has the same structure as the left chuck, and the clamping part of the right chuck and the clamping part of the left chuck face opposite directions; the left side chuck is connected through two hoist cables with the right chuck, and a hoist cable wears to establish in four outer through-holes in proper order, and another hoist cable wears to establish in four interior through-holes in proper order, and the tip of a hoist cable is located left chuck, and the tip of another hoist cable is located right chuck, and the both ends of every hoist cable all are provided with two grip rings, and two grip ring lock clamp hoist cable, and the grip ring wedges in corresponding interior through-hole and outer through-hole. The utility model discloses to relief valve hoist and mount convenient and fast, have good practicality.

Description

Tool for quickly hoisting safety valve

Technical Field

The utility model relates to a valve hoist and mount technical field especially relates to a quick instrument for hoist and mount of relief valve.

Background

The safety valve belongs to the automatic valve class, is mainly used on boiler, pressure vessel and pipeline, and control pressure does not exceed the specified value, plays important guard action to personal safety and equipment operation, especially in oil and petrochemical industry field, the application of safety valve is very extensive, need in the enterprise's production process to carry out work such as dress, fortune, unloading to the safety valve.

The dismouting of relief valve is the mode that adopts the manpower transport usually, adopt the rope to bind the relief valve promptly, the mode of pulling through the manpower realizes, because its mounted position is mostly at the container, eminences such as equipment top, personnel bind at the eminence for a long time, not only need consume a large amount of manpowers and material resources, and there is certain potential safety hazard to operating personnel, because the shape to being hoisted the object is different, the size is asymmetric, the gravity point is often not on the center of equipment, thereby situation such as slope takes place when leading to hoist, influence normal hoist and mount.

The hoist and mount of relief valve generally need the hoist cooperation to go on, and the surface is allowed not to damage as far as possible when requiring hoist and mount, and traditional lifting device has brought a great deal of inconvenience for equipment hoist and mount like this, because do not reserve hoisting hole or screw hole on the relief valve, conventional hoisting apparatus is inefficient, the security is poor, can't adapt to the relief valve of different diameters moreover, has certain limitation.

Disclosure of Invention

The utility model discloses a solve originally to bind the process time long, lift by crane unstably, the problem of easy slope provides a quick instrument for hoist and mount of relief valve, has realized the quick convenient hoist and mount to the relief valve.

In order to achieve the above object, the utility model adopts the following technical scheme:

a tool for quickly hoisting a safety valve comprises a fixed chuck, wherein the fixed chuck comprises a left chuck and a right chuck, the left chuck comprises a clamping part and a connecting part which are integrally formed, the section of the clamping part is arched, the inner side surface of the clamping part is an inwards concave cambered surface, a clamping block is arranged on the inner side surface of the clamping part, the section of the clamping block is trapezoidal, a rubber pad is bonded on the clamping block, the connecting part is distributed at the upper end and the lower end of the clamping part, an inner through hole and an outer through hole are formed in the connecting part, the right chuck is identical in structure with the left chuck, and the clamping part of the right chuck is opposite to the clamping part of the left chuck in;

connect through two hoist cables between left side chuck and the right chuck, one hoist cable wears to establish in four outer through-holes in proper order, another hoist cable wears to establish in four interior through-holes in proper order, and the tip of a hoist cable is located left chuck, and the tip of another hoist cable is located right chuck, every the both ends of hoist cable all are provided with two grip rings, two the grip ring combination back cross-section is the taper ring shape, and two grip ring lock are tight hoist cable, grip ring wedge in corresponding interior through-hole and outer through-hole.

Furthermore, the rubber pad cross-section is the arc, and the upper and lower both sides of rubber pad surpass the clamping part, and rubber pad length is greater than clamping block length.

Further, the both ends of rubber pad can be dismantled with connecting portion and be connected, be provided with the threaded rod on the connecting portion inside wall, threaded rod one end is worn out the rubber pad and is connected with the nut.

Furthermore, the inner through holes on the left chuck correspond to the inner through holes on the right chuck one by one, and the outer through holes on the left chuck correspond to the outer through holes on the right chuck one by one.

Furthermore, one the hoist cable from fixed chuck one side buckle after penetrating two outer through-holes that one end connecting portion corresponds, wear out through two outer through-holes that other end connecting portion correspond, another the hoist cable penetrates two interior through-holes that one end connecting portion corresponds from the fixed chuck opposite side and buckles after, wear out through two interior through-holes that other end connecting portion correspond.

Further, wear-resisting ring is embedded on interior through-hole and the outer through-hole, wear-resisting ring cross-section is the I shape, the hoist cable is worn to establish in wear-resisting ring, and the department of buckling of hoist cable is equipped with wear-resisting pipe, the hoist cable is the wire rope hoist cable.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design, can play the bearing effect through the fixed chuck that sets up, can prevent the beat when hoist and mount simultaneously, left side chuck and right chuck carry out centre gripping, cooperation hoist cable simultaneously to being hung the relief valve, can accomplish hoist and mount work fast, are hung the relief valve and utilize the dead weight to change into the clamping-force when hoist and mount, fix in grip block upside inclined plane, avoid appearing the unequal phenomenon of the arm of force, prevent simultaneously that hoist and mount in-process from taking place the slope.

The clamping ring arranged in the utility model buckles the sling from both sides, and then the clamping ring is wedged into the inner through hole and the outer through hole, thereby ensuring the installation and fixation of the sling and the fixed chuck; the rubber pad can increase friction force and avoid abrasion to the surface of the safety valve, and the rubber pad and the fixed chuck are installed by bolts, so that the rubber pad is firmly installed on the basis of bonding; the wear-resisting ring and the wear-resisting pipe can reduce the abrasion of the steel wire rope and prolong the service life of the steel wire rope. The utility model discloses simple structure and security are high, and the clamping is fast, no slippage, hoist and mount convenient and fast, and repeatedly usable has good practicality simultaneously.

Drawings

Fig. 1 is the overall structure schematic diagram of the utility model relates to a quick lifting tool for safety valve.

Fig. 2 is a schematic view of a-a direction in fig. 1 of the tool for rapidly lifting the safety valve of the present invention.

Fig. 3 is a schematic view from B-B in fig. 2 of the tool for rapidly lifting the safety valve of the present invention.

Fig. 4 is a schematic view of the installation state of the clamp ring of the tool for quickly hoisting the safety valve.

Fig. 5 is a schematic view of the usage state of the tool for rapidly hoisting the safety valve of the present invention.

The reference numbers in the drawings are as follows: 1 is left chuck, 101 is the clamping part, 102 is connecting portion, 2 is right chuck, 3 is the grip block, 4 is the rubber pad, 5 is interior through-hole, 6 is outer through-hole, 7 is the hoist cable, 8 is the grip ring, 9 is the threaded rod, 10 is the nut, 11 is wear ring, 12 is wear tube.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 5, the tool for rapidly hoisting the safety valve comprises a fixed chuck, wherein the fixed chuck comprises a left chuck 1 and a right chuck 2, the left chuck 1 comprises a clamping part 101 and a connecting part 102 which are integrally formed, the section of the clamping part 101 is arched, the inner side surface of the clamping part 101 is a concave cambered surface, a clamping block 3 is arranged on the inner side surface of the clamping part 101, the section of the clamping block 3 is trapezoidal, a rubber pad 4 is bonded on the clamping block 3, the section of the rubber pad 4 is arc-shaped, the connecting part 102 is distributed at the upper end and the lower end of the clamping part 101, an inner through hole 5 and an outer through hole 6 are formed in the connecting part 102, the right chuck 2 and the left chuck 1 have the same structure, and the clamping part 101 of the right chuck 2 and the clamping part 101 of the left;

connect through two hoist cables 7 between left side chuck 1 and the right chuck 2, one hoist cable 7 wears to establish in four outer through-holes 6 in proper order, another hoist cable 7 wears to establish in four interior through-holes 5 in proper order, and the tip of a hoist cable 7 is located left chuck 1, and the tip of another hoist cable 7 is located right chuck 2, every the both ends of hoist cable 7 all are provided with two grip rings 8, two the grip ring 8 makes up the back cross-section and is the taper ring shape, and two grip ring 8 locks are pressed from both sides tightly hoist cable 7, grip ring 8 wedges in corresponding interior through-hole 5 and outer through-hole 6.

Specifically, in this embodiment, the upper and lower both sides of rubber pad 4 surpass clamping part 101, and rubber pad 4 length is greater than clamping block 3 length, and in order to prevent that rubber pad 4 and clamping block 3 from bonding insecure, the both ends of rubber pad 4 and connecting portion 102 can be dismantled and be connected, be provided with threaded rod 9 on the connecting portion 102 inside wall, threaded rod 9 one end is worn out rubber pad 4 and is connected with nut 10, and is fixed with rubber pad 4 both ends through threaded rod 9 and nut 10 cooperation, drops when preventing that rubber pad 4 and clamping block 3 from no longer bonding.

In this embodiment, the inner through holes 5 on the left chuck 1 correspond to the inner through holes 5 on the right chuck 2 one by one, and the outer through holes 6 on the left chuck 1 correspond to the outer through holes 6 on the right chuck 2 one by one.

In this embodiment, one of the slings 7 penetrates through the two outer through holes 6 corresponding to the upper end connecting portion 102 from one side of the right chuck 2, then bends and penetrates out through the two outer through holes 6 corresponding to the lower end connecting portion 102, the end portion of the sling 7 in the outer through hole 6 is located on the right chuck 2, the other of the slings 7 penetrates through the two inner through holes 5 corresponding to the upper end connecting portion 102 from one side of the left chuck 1, then bends and penetrates out through the two inner through holes 5 corresponding to the lower end connecting portion 102, and the end portion of the sling 7 in the inner through hole 5 is located on the left chuck 1.

In order to reduce the abrasion of the sling 7 used for a long time, the wear-resisting rings 11 are embedded in the inner through hole 5 and the outer through hole 6, the sections of the wear-resisting rings 11 are I-shaped, the sling 7 penetrates through the wear-resisting rings 11, the wear-resisting pipe 12 is sleeved at the bending part of the sling 7, the sling 7 is a steel wire rope sling, and in the embodiment, the wear-resisting rings 11 are distributed in the outer through hole 6 of the left chuck 1 and the inner through hole 5 of the right chuck 2.

When the clamping block is installed, the rubber pad 4 is firstly bonded on the clamping block 3, and after the two ends of the rubber pad 4 penetrate into the threaded rod 9, the screw cap 10 is screwed on the threaded rod 9, so that the rubber pad 4 is prevented from falling off when the clamping block 3 is bonded insecurely; then wear-resisting rings 11 are arranged in the outer through hole 6 of the left chuck 1 and the inner through hole 5 of the right chuck 2; finally, two steel wire ropes are selected, one end of one steel wire rope penetrates into the two outer through holes 6 corresponding to the upper end connecting part 102 from one side of the right chuck 2, the wear-resistant pipe 12 is sleeved on the steel wire rope, the steel wire rope bends and penetrates out of the two outer through holes 6 corresponding to the lower end connecting part 102, the clamping rings 8 are buckled at the two ends of the steel wire rope, then the clamping rings 8 are wedged into the outer through holes 6 of the right chuck 2, and at the moment, the fixation of one steel wire rope and the right chuck 2 can be guaranteed; after one end of another steel wire rope penetrates into the two inner through holes 5 corresponding to the upper end connecting portion 102 from one side of the left chuck 1, the wear-resistant pipe 12 is sleeved on the steel wire rope, the steel wire rope is bent and penetrates out through the two inner through holes 5 corresponding to the lower end connecting portion 102, the clamping rings 8 are buckled at the two end portions of the steel wire rope, the clamping rings 8 are wedged into the inner through holes 5 of the left chuck 1, and at the moment, the fixation of the other steel wire rope and the left chuck 1 can be guaranteed.

When needing to carry out relief valve hoist and mount, at first all hang two wire rope on the couple of equipment of lifting by crane, thereby wear-resisting pipe 12 reduces wire rope's wearing and tearing with the couple contact, then according to the distance between relief valve size adjustment left side chuck 1 and the right chuck 2, carry out the centre gripping with left chuck 1 and right chuck 2 from the relief valve both sides, the clamping is convenient, the equipment of lifting by crane is hoisting the unsettled back with the relief valve, it utilizes the dead weight to change into clamping-force to be hung the relief valve, and fix in the slope of the upside of grip block 3, thereby not take off by sliding when guaranteeing to hoist and mount, guarantee the stability of fixed chuck hoist and mount, be convenient for carry out.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A tool for rapidly hoisting a safety valve comprises a fixed chuck and is characterized in that the fixed chuck comprises a left chuck (1) and a right chuck (2), the left chuck (1) comprises a clamping part (101) and a connecting part (102) which are integrally formed, the section of the clamping part (101) is arched, the inner side surface of the clamping part (101) is an inward concave cambered surface, the inner side surface of the clamping part (101) is provided with a clamping block (3), the section of the clamping block (3) is trapezoidal, a rubber pad (4) is bonded on the clamping block (3), the connecting parts (102) are distributed at the upper end and the lower end of the clamping part (101), the connecting parts (102) are provided with inner through holes (5) and outer through holes (6), the right chuck (2) and the left chuck (1) have the same structure, and the clamping part (101) of the right chuck (2) and the clamping part (101) of the left chuck (1) face opposite directions;

connect, one through two hoist cable (7) between left side chuck (1) and the right chuck (2) hoist cable (7) wear to establish in four outer through-holes (6), another in proper order hoist cable (7) wear to establish in four inner through-hole (5) in proper order, the tip of a hoist cable (7) is located left chuck (1), the tip of another hoist cable (7) is located right chuck (2), every the both ends of hoist cable (7) all are provided with two grip rings (8), two grip ring (8) combination back cross-section is the taper ring shape, and two grip ring (8) lock are pressed from both sides tightly hoist cable (7), grip ring (8) wedge corresponding inner through-hole (5) and outer through-hole (6).

2. The tool for rapidly hoisting the safety valve is characterized in that the section of the rubber pad (4) is arc-shaped, the upper side and the lower side of the rubber pad (4) exceed the clamping part (101), and the length of the rubber pad (4) is greater than that of the clamping block (3).

3. The tool for rapidly hoisting the safety valve is characterized in that two ends of the rubber gasket (4) are detachably connected with the connecting part (102), a threaded rod (9) is arranged on the inner side wall of the connecting part (102), and one end of the threaded rod (9) penetrates through the rubber gasket (4) to be connected with a nut (10).

4. The tool for rapidly hoisting the safety valve according to claim 1, wherein the inner through holes (5) on the left chuck (1) correspond to the inner through holes (5) on the right chuck (2) one by one, and the outer through holes (6) on the left chuck (1) correspond to the outer through holes (6) on the right chuck (2) one by one.

5. The tool for rapidly hoisting the safety valve is characterized in that one sling (7) penetrates into two outer through holes (6) corresponding to one end connecting part (102) from one side of the fixed clamping disc and then bends, and penetrates out through two outer through holes (6) corresponding to the other end connecting part (102), and the other sling (7) penetrates into two inner through holes (5) corresponding to one end connecting part (102) from the other side of the fixed clamping disc and then bends, and penetrates out through two inner through holes (5) corresponding to the other end connecting part (102).

6. The tool for rapidly hoisting the safety valve according to claim 5, wherein the inner through hole (5) and the outer through hole (6) are embedded with wear-resistant rings (11), the cross sections of the wear-resistant rings (11) are I-shaped, the sling (7) is arranged in the wear-resistant rings (11) in a penetrating manner, a wear-resistant pipe (12) is sleeved at the bending part of the sling (7), and the sling (7) is a steel wire rope sling.