CN220297003U - Special tool for pulling bush for high-pressure valve overhaul - Google Patents

Special tool for pulling bush for high-pressure valve overhaul Download PDF

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Publication number
CN220297003U
CN220297003U CN202321048763.4U CN202321048763U CN220297003U CN 220297003 U CN220297003 U CN 220297003U CN 202321048763 U CN202321048763 U CN 202321048763U CN 220297003 U CN220297003 U CN 220297003U
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China
Prior art keywords
pin
bushing
pulling
valve
valve seat
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CN202321048763.4U
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Chinese (zh)
Inventor
张文军
董彬
毕于恒
张志平
黄德孝
张少林
邓扬华
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Guangdong Huadian Pingshi Power Generation Co ltd
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Guangdong Huadian Pingshi Power Generation Co ltd
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Priority to CN202321048763.4U priority Critical patent/CN220297003U/en
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Abstract

The utility model discloses a special bushing pulling tool for high-pressure valve overhaul, which comprises a valve main body and a valve seat, wherein a screw thread is clamped in the valve seat, a pulling screw rod is fixedly arranged at the top end of the screw thread, a positioning pin is sleeved on the pulling screw rod, a spring is fixedly arranged at the inner bottom end of the positioning pin, a pin is fixedly arranged at the bottom end of the spring, and a mounting cylinder is fixedly arranged at the top end of the positioning pin. According to the utility model, the screw thread is clamped on the main body shaft of the valve main body, and the positioning pin and the pin of the pulling screw can drive the valve seat to be taken out of the valve main body through rotating the pulling screw, so that the valve seat is prevented from being dismounted by using a crowbar or a screwdriver with a brute force, the valve seat can be uniformly stressed in the rotating process of the pulling screw through the positioning pin and the pin, the damage to other parts is effectively reduced, the dismounting mode is simpler and more convenient, the dismounting time is effectively saved, the dismounting effect is improved, and the overhaul progress of the high-pressure valve is accelerated.

Description

Special tool for pulling bush for high-pressure valve overhaul
Technical Field
The utility model relates to the technical field of pulling tools, in particular to a special bushing pulling tool for high-pressure valve overhaul.
Background
High pressure valves have been widely used in the fields of ultra-hard material manufacturing, chemical industry, petrochemical industry, processing techniques, isostatic pressing, ultra-high hydrostatic extrusion, powder metallurgy, metal forming, geophysical and geological research, and the like. Can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The opening and closing piece is a disc-shaped valve plate and rotates around the axis of the opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved, the high-pressure valve needs to be overhauled after the high-pressure valve is used for a long time, and when the high-pressure valve is overhauled, the valve seat of the high-pressure valve needs to be pulled out and detached by a special tool pulled out through a bushing.
The existing bushing pulling mode can be slowly dismantled by using a crowbar or a screwdriver with brute force, in the dismantling process, other parts are easy to damage due to uneven stress and old dismantling mode, the valve seat of the high-pressure valve is easy to damage, the dismantling mode is complex, time and labor are wasted, the dismantling effect is poor, and therefore the overhaul progress of the high-pressure valve is influenced; the bushing of the existing manufacturer is pulled out to be special-purpose tools, a great deal of funds are needed, the operation method is also very complicated in use, the operation method can be completed by the cooperation of specialized staff, and because the service time of the high-pressure valve is long, the valve seat of the valve is worn and damaged, so that the bushing is pulled out to be special-purpose tools cannot be fixed on the valve seat of the valve, and unnecessary troubles are brought to the disassembly of the valve seat of the high-pressure valve.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a special tool for pulling out a bushing for overhauling a high-pressure valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a specialized tool is extracted with bush to high pressure valve overhauls, includes valve main part and disk seat, the inside joint of disk seat has the screw thread, the top fixed mounting of screw thread pulls out the screw rod, pull out and cup joint the locating pin on the screw rod, the inside bottom fixed mounting spring of locating pin, the bottom fixed mounting pin of spring, the top fixed mounting installation section of thick bamboo of locating pin, the surface screw thread cooperation installation toper bush of installation section of thick bamboo, installation section of thick bamboo all cup joints on pulling out the screw rod with the toper bush, lock nut is installed on the top of toper bush.
Preferably, the top end surface of the valve main body is fixedly provided with a valve seat, the interior of the valve seat is hollow, and the screw thread is arranged at the hollow interior of the valve seat.
Preferably, the valve seat comprises a water outlet, the water outlet is annular and is formed in the valve seat, the number of the water outlet, the number of the springs and the number of the pins are the same, the number of the water outlet, the number of the springs and the number of the pins are all a plurality of, the orthographic projection areas of the water outlet, the number of the springs and the number of the pins are the same, and the number of the water outlet, the number of the springs and the number of the pins are mutually symmetrically arranged on the same vertical line.
Preferably, the cross-sectional height of the screw thread is the same as that of the valve seat, the screw thread is fixedly arranged at the bottom end of the pulling screw rod, and the orthographic projection area of the screw thread is smaller than that of the pulling screw rod.
Preferably, the pulling screw rod comprises a rotating rod, the rotating rod is fixedly arranged at the top end of the pulling screw rod, and the pulling screw rod is sequentially sleeved with a locating pin, a mounting cylinder, a conical bushing and a locking nut.
Preferably, the mounting cylinder is mounted at the top end of the positioning pin, the orthographic projection area of the mounting cylinder is smaller than that of the positioning pin, and the section height of the mounting cylinder is the same as that of the conical bushing.
Preferably, the locking nut is in threaded sleeve connection with the top end of the conical bushing of the pulling screw, the conical bushing comprises two fixing nuts, the two fixing nuts are in threaded penetrating fixation on two sides of the conical bushing, and the tail ends of the two fixing nuts penetrate through the conical bushing to abut against the outer side wall of the mounting cylinder.
The utility model has the following beneficial effects:
1. according to the utility model, the special bushing pulling tool for high-pressure valve overhaul is formed by the valve main body, the valve seat, the screw thread, the pulling screw, the locating pin, the spring, the pin, the mounting cylinder, the conical bushing and the locking nut, the screw thread is mounted in the valve seat, the locating pin and the pin of the pulling screw can drive the valve seat to be taken out from the valve main body through rotating the pulling screw, the situation that a crowbar or a screwdriver is used for dismantling is avoided, the valve seat can be uniformly stressed in the rotating process of the pulling screw through the locating pin and the pin, the damage to other parts is effectively reduced, the dismantling mode is simple and convenient, the dismantling time is effectively saved, the dismantling effect is improved, and the overhaul progress of the high-pressure valve is accelerated.
2. According to the utility model, the special tool for pulling the bushing is formed by the pulling screw, the locating pin, the spring, the pin, the mounting cylinder, the conical bushing and the locking nut, the mounting part is simple, the production fund of the special tool can be effectively reduced, the operation mode of pulling the screw through rotation is more convenient, the operation is simple, the locating pin is used for locating the valve seat through the pin opposite to the water outlet, the quick locating is realized, and the possibility of trouble in the process of disassembling the valve seat of the high-pressure valve is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a special tool for extracting a bushing for high-pressure valve maintenance;
FIG. 2 is a second schematic cross-sectional view of a bushing extracting tool for high pressure valve maintenance according to the present utility model;
FIG. 3 is a schematic view of the structure of the portion A in FIG. 2 of a special tool for extracting a bushing for high-pressure valve maintenance;
FIG. 4 is a schematic diagram of the whole structure of a bushing extracting tool for high-pressure valve maintenance according to the present utility model;
fig. 5 is a second schematic diagram of the overall structure of a bushing extracting tool for high-pressure valve maintenance according to the present utility model.
In the figure: 1. a valve body; 2. a valve seat; 201. a water outlet hole; 3. threading; 4. pulling out the screw; 401. a rotating rod; 5. a positioning pin; 6. a spring; 7. a pin; 8. a mounting cylinder; 9. a tapered bushing; 901. a fixing nut; 10. and (5) locking the nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a special tool is extracted with bush to high pressure valve overhauls, including valve main part 1 and disk seat 2, disk seat 2's inside joint has screw thread 3, the top fixed mounting of screw thread 3 is extracted screw rod 4, cup joint locating pin 5 on extracting screw rod 4, the inside bottom fixed mounting spring 6 of locating pin 5, the bottom fixed mounting pin 7 of spring 6, the top fixed mounting installation section of thick bamboo 8 of locating pin 5, the surface screw thread cooperation installation toper bush 9 of installation section of thick bamboo 8, installation section of thick bamboo 8 all cup joints on extracting screw rod 4 with toper bush 9, lock nut 10 is installed on the top of toper bush 9.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, a valve seat 2 is fixedly mounted on the top end surface of a valve body 1, the interior of the valve seat 2 is hollow, and a screw 3 is mounted in the hollow interior of the valve seat 2.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the valve seat 2 includes a water outlet 201, the water outlet 201 is formed in a ring shape and is disposed in the valve seat 2, the number of the water outlet 201, the number of the springs 6 and the number of the pins 7 are the same, the number of the water outlet 201, the number of the springs 6 and the number of the pins 7 are all a plurality of, the orthographic projection areas of the water outlet 201, the number of the springs 6 and the number of the pins 7 are the same, and the number of the water outlet 201, the number of the springs 6 and the number of the pins 7 are symmetrically disposed on the same vertical line.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the cross-sectional height of the screw thread 3 is the same as the cross-sectional height of the valve seat 2, the screw thread 3 is fixedly mounted at the bottom end of the extraction screw 4, and the orthographic projection area of the screw thread 3 is smaller than the orthographic projection area of the extraction screw 4.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the pulling screw 4 includes a rotating rod 401, the rotating rod 401 is fixedly mounted on the top end of the pulling screw 4, and the pulling screw 4 is sequentially sleeved with a positioning pin 5, a mounting cylinder 8, a conical bushing 9 and a locking nut 10.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the mounting cylinder 8 is mounted on the top end of the positioning pin 5, and the orthographic projection area of the mounting cylinder 8 is smaller than the orthographic projection area of the positioning pin 5, and the sectional height of the mounting cylinder 8 is the same as the sectional height of the tapered bushing 9.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the lock nut 10 is screwed on the top end of the tapered bushing 9 of the extracting screw 4, the tapered bushing 9 includes two fixing nuts 901, the two fixing nuts 901 are screwed through and fixed on two sides of the tapered bushing 9, and the ends of the two fixing nuts 901 penetrate the tapered bushing 9 and are abutted against the outer side wall of the mounting cylinder 8.
The working process of the utility model is as follows: the utility model forms a bushing pulling special tool for high-pressure valve overhaul through a valve main body 1, a valve seat 2, a screw thread 3, a pulling screw 4, a locating pin 5, a spring 6, a pin 7, an installation cylinder 8, a conical bushing 9 and a locking nut 10, selects a bushing pulling special tool corresponding to the valve seat 2 of the valve main body 1, installs the spring 6 and the pin 7 on the locating pin 5 in a water outlet hole 201 of the valve seat 2, then rotates the pulling screw 4 into the screw thread 3 in the valve seat 2, then penetrates the conical bushing 9 into the installation cylinder 8 downwards, enables the bottom end surface of the conical bushing 9 to prop against the top end surface of the locating pin 5, rotates a locking nut 10 at the top end of the conical bushing 9, locks and fixes the top end of the pulling screw 4 through the locking nut 10, rotates a fixing nut 901, and enables the conical bushing 9 and the installation cylinder 8 to be mutually fixed, the bull stick 401 of screw rod 4 is extracted in slow rotation for all parts on the screw rod 4 are extracted and are driven disk seat 2 to dismantle, slow rotation is until the disk seat 2 with valve body 1 is pulled out, install the inside at disk seat 2 to screw thread 3, through the rotation to extracting screw rod 4, make the locating pin 5 and the pin 7 of extracting screw rod 4 can drive disk seat 2 and take out from valve body 1, be favorable to avoiding using crowbar or screwdriver to use the brute force to dismantle, guarantee through locating pin 5 and pin 7 that disk seat 2 can the atress even in the rotation in extracting screw rod 4, effectively reduce the damage to other spare part, the dismantlement mode is comparatively simple and convenient, effectively save the dismantlement time, improve the dismantlement effect and accelerate the maintenance progress of high-pressure valve, through extracting screw rod 4, locating pin 5, spring 6, pin 7, install section of thick bamboo 8, the conical bushing 9 and the locking nut 10 form a bushing pulling special tool, the mounting part is simple, the production fund of the special tool can be effectively reduced, the pulling operation mode of the rotating pulling screw 4 is more convenient, the operation is simple, the positioning pin 5 is used for positioning the valve seat 2 through the pin 7 opposite to the water outlet 201, the quick positioning is realized, and the possibility of trouble generation during the disassembly of the valve seat 2 of the high-pressure valve is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a specialized tool is extracted with bush to high pressure valve overhauls, includes valve main part (1) and disk seat (2), its characterized in that: the inside joint of disk seat (2) has screw thread (3), the top fixed mounting of screw thread (3) pulls out screw rod (4), pull out and cup joint locating pin (5) on screw rod (4), the inside bottom fixed mounting spring (6) of locating pin (5), the bottom fixed mounting pin (7) of spring (6), the top fixed mounting installation section of thick bamboo (8) of locating pin (5), the surface screw thread cooperation installation taper bush (9) of installation section of thick bamboo (8), install section of thick bamboo (8) and taper bush (9) all cup joint on pulling out screw rod (4), lock nut (10) are installed on the top of taper bush (9).
2. The bushing extraction tool for high pressure valve service of claim 1, wherein: the valve is characterized in that a valve seat (2) is fixedly arranged on the top end surface of the valve body (1), the inside of the valve seat (2) is hollow, and the screw thread (3) is arranged at the hollow inside of the valve seat (2).
3. The bushing extraction tool for high pressure valve service of claim 1, wherein: the valve seat (2) comprises a water outlet hole (201), the water outlet hole (201) is formed in the annular shape and is arranged in the valve seat (2), the water outlet hole (201), the spring (6) and the pin (7) are identical in number, the water outlet hole (201), the spring (6) and the pin (7) are all of a plurality of numbers, the water outlet hole (201), the spring (6) and the pin (7) are of the same orthographic projection area, and the water outlet hole (201), the spring (6) and the pin (7) are of the same number and are arranged on the same vertical line in mutual symmetry.
4. The bushing extraction tool for high pressure valve service of claim 1, wherein: the cross-section height of the screw thread (3) is the same as that of the valve seat (2), the screw thread (3) is fixedly arranged at the bottom end of the pulling screw rod (4), and the orthographic projection area of the screw thread (3) is smaller than that of the pulling screw rod (4).
5. The bushing extraction tool for high pressure valve service of claim 1, wherein: the pulling screw rod (4) comprises a rotating rod (401), the rotating rod (401) is fixedly arranged at the top end of the pulling screw rod (4), and the pulling screw rod (4) is sequentially sleeved with a locating pin (5), a mounting cylinder (8), a conical bushing (9) and a locking nut (10).
6. The bushing extraction tool for high pressure valve service of claim 1, wherein: the mounting cylinder (8) is mounted at the top end of the locating pin (5), the orthographic projection area of the mounting cylinder (8) is smaller than that of the locating pin (5), and the section height of the mounting cylinder (8) is the same as that of the conical bushing (9).
7. The bushing extraction tool for high pressure valve service of claim 1, wherein: the locking nut (10) is installed on the top of a conical bushing (9) of the pulling screw (4) in a threaded sleeve joint mode, the conical bushing (9) comprises two fixing nuts (901), the two fixing nuts (901) are fixed on two sides of the conical bushing (9) in a threaded penetrating mode, and the tail ends of the two fixing nuts (901) penetrate through the conical bushing (9) and abut against the outer side wall of the mounting cylinder (8).
CN202321048763.4U 2023-05-04 2023-05-04 Special tool for pulling bush for high-pressure valve overhaul Active CN220297003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321048763.4U CN220297003U (en) 2023-05-04 2023-05-04 Special tool for pulling bush for high-pressure valve overhaul

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321048763.4U CN220297003U (en) 2023-05-04 2023-05-04 Special tool for pulling bush for high-pressure valve overhaul

Publications (1)

Publication Number Publication Date
CN220297003U true CN220297003U (en) 2024-01-05

Family

ID=89351504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321048763.4U Active CN220297003U (en) 2023-05-04 2023-05-04 Special tool for pulling bush for high-pressure valve overhaul

Country Status (1)

Country Link
CN (1) CN220297003U (en)

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