CN212825136U - Jackscrew tool for dismounting pipeline valve flange - Google Patents

Abstract

The utility model discloses a jackscrew frock for pipeline valve flange dismouting relates to pipeline flange dismouting frock field, including screw tooth stick and hexagonal jackscrew, screw tooth stick and hexagonal jackscrew threaded connection, the terminal surface welding that the hexagonal jackscrew is close to the screw tooth stick is on the fixing support, the welding has the screw thread post on the fixing support, be provided with the clamp splice support on the screw thread post, the clamp splice support slides along the screw thread post, the side that the clamp splice support deviates from the fixing support is adjacent to be provided with the nut, the nut is connected with screw thread post screw thread; the telescopic rod is arranged on the clamping block support, the telescopic rod base is in threaded connection with the clamping block support, the telescopic rod is coaxial with the screw thread rod, the movable rod of the telescopic rod is close to the screw thread rod to move in a stretching mode, the jackscrew is fixed on the flange surface, the flange is jacked open through the screw-in jackscrew, deformation of the flange and damage to the sealing surface of the valve are avoided, meanwhile, the valve disassembly time is shortened, and the working efficiency is improved.

Description

Jackscrew tool for dismounting pipeline valve flange

Technical Field

The utility model belongs to a pipeline flange dismouting frock field, concretely relates to jackscrew frock for pipeline valve flange dismouting.

Background

In the process of replacing the pipeline valve, the valve can not be detached due to the fact that the sealing glue is stuck after the fastening piece is detached, and if a crane or a chain block is used for forcibly pulling out the valve, a large potential safety hazard is caused and the operation is difficult; original dismouting is through means such as crowbar sled clearance, and the uneven hard in the operation process can cause the flange to warp, the sealed face of valve damages, influences the secondary use of valve, needs to change the valve and leads to unnecessary extravagant, consequently, we provide a jackscrew frock for pipeline valve flange dismouting, solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, the utility model aims to provide a jackscrew frock for pipeline valve flange dismouting to solve the problem of proposing in the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme: a jackscrew tool for dismounting a flange of a pipeline valve comprises a screw rod and a hexagonal jackscrew, wherein the screw rod is in threaded connection with the hexagonal jackscrew, the end face of the hexagonal jackscrew, which is close to the screw rod, is welded on a fixed support, a threaded column is arranged on the fixed support, which is close to the hexagonal jackscrew side, and is welded on the fixed support, a clamping block support is arranged on the threaded column, the clamping block support is in sliding connection with the threaded column, a nut is adjacently arranged on the side, which is far away from the fixed support, of the clamping block support, and the nut is in threaded connection with the threaded column;

the fixture is characterized in that a telescopic rod is arranged on the clamping block support, a telescopic rod base is in threaded connection with the clamping block support, the telescopic rod is coaxial with the screw rod, and a movable rod of the telescopic rod is close to the screw rod to move in a telescopic mode.

As a further scheme of the utility model, fixing support is close to the stretching of silk tooth stick side and has the guide pin bushing, the guide pin bushing is coaxial with the silk tooth stick, and silk tooth stick and guide pin bushing sliding connection.

As a further scheme of the utility model, telescopic link movable rod end fixedly connected with clamp plate is provided with the spring between clamp plate and clamp splice support, the spring housing is on the outer periphery of movable rod.

As a further scheme of the utility model, be provided with the chock that removes on the screw thread post, the chock is between fixing support and clamp splice support.

As a further proposal of the utility model, a through hole is arranged in the center of the screw tooth stick.

The utility model has the advantages that: compared with the prior art, the gap between the flanges is jacked up through the jackscrew, so that the flanges are prevented from deforming, the sealing surface of the valve is prevented from being damaged, and particularly, the effect is obvious when the valve above DN400 is disassembled and assembled; meanwhile, the disassembly time is shortened, and the working efficiency of maintenance is improved; the jackscrew is fixed through the centre gripping support, has reduced the risk that the jackscrew drops.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a screw thread rod of the present invention;

FIG. 3 is a schematic sectional view of the assembly of the present invention;

in the figure: the device comprises a clamping block support-1, a fixed support-2, a screw tooth rod-3, a hexagonal jackscrew-4, a spring-5, a telescopic rod-6, a nut-7, a plug block-8, a valve-9, a pipeline-10, a threaded column-21, a thread-23, a guide sleeve-24 and a through hole-31.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a jackscrew tool for dismounting a flange of a pipeline valve includes a thread rod 3 and a hexagonal jackscrew 4, the thread rod 3 is in threaded connection with the hexagonal jackscrew 4, an end surface of the hexagonal jackscrew 4 close to the thread rod 3 is welded on a fixed support 2, a threaded column 21 is arranged on the side of the fixed support 2 close to the hexagonal jackscrew 4, the threaded column 21 is welded on the fixed support 2, a clamping block support 1 is arranged on the threaded column 21, the clamping block support 1 is in sliding connection with the threaded column 21, a nut 7 is adjacently arranged on a side of the clamping block support 1 departing from the fixed support 2, and the nut 7 is in threaded connection with the threaded column 21;

be provided with telescopic link 6 on the clamp splice support 1, 6 bases of telescopic link and 1 threaded connection of clamp splice support, telescopic link 6 is coaxial with thread stick 3, and the movable rod of telescopic link 6 is close to 3 side telescopic movement of thread stick.

As shown in fig. 3, in operation, will the jackscrew frock install between pipeline 10 flange and valve 9 flange, insert hexagonal jackscrew 4 in the fabrication hole that pipeline 10 flange set up in advance, paste one section of 6 movable rods of telescopic link tightly with valve 9 flange side, according to the thickness of pipeline 10 flange and valve 9 flange, adjust the distance between clamp splice support 1 and the fixed bolster 2, remove clamp splice support 1 for 6 movable rod ends of telescopic link compress tightly valve 9 flange face, lock fixedly through screwing nut 7, thereby will jackscrew frock fixed mounting on pipeline 10 and valve 9 flange, the operator's of being convenient for operation, through rotating screw tooth stick 3, with valve 9 flange and the opening of pipeline 10 flange.

In another embodiment, as shown in fig. 2, a guide sleeve 24 is provided on the fixed support 2 in a stretching manner near the side surface of the thread rod 3, the guide sleeve 24 is coaxial with the thread rod 3, and the guide sleeve 24 is connected with the thread rod 3 in a sliding manner, the guide sleeve 24 plays a role in guiding and limiting the thread rod 3, and weak magnetization processing is performed on the guide sleeve 24, so that the thread rod 3 is not easy to fall off when being screwed in.

In another embodiment, as shown in fig. 3, a pressing plate is fixedly connected to a movable rod end of the telescopic rod 6, a spring 5 is arranged between the pressing plate and the clamping block support 1, the spring 5 is sleeved on the movable rod, the telescopic rod 6 compresses a side face of the flange of the valve 9 under the elastic force action of the spring 5, meanwhile, the telescopic rod 6 and the flange of the valve 9 are in flexible connection, a certain movable allowance is provided, when the thread rod 3 is screwed in, the flange of the valve 9 is pushed open at the top end of the thread rod 3, and therefore the limit of the telescopic rod 6 cannot be received.

In another embodiment, as shown in fig. 1, a movable plug 8 is arranged on the threaded column 21, the plug 8 is arranged between the fixed support 2 and the clamping block support 1, when the thread rod 3 pushes the flange of the valve 9 open, namely a gap is formed between the valve 9 and the flange of the pipeline 10, and the plug 8 is rotated to enable the plug 8 to be inserted between the gap between the valve 9 and the flange of the pipeline 10, so that the valve 9 and the flange of the pipeline 10 can be conveniently separated.

In another embodiment, as shown in fig. 2, a through hole 31 is formed in the center of the screw tooth rod 3, after the screw tooth rod 3 pushes the flange of the valve 9 open, the rotary wrench is removed, a solvent capable of softening or dissolving the sealant is injected into the through hole 31 on the end surface of the screw tooth rod 3 through the injector, and the solution flows into the gap between the pipeline 10 and the flange of the valve 9 through the through hole 31 to further soften the sealant, so that the separation of the valve 9 and the flange of the pipeline 10 can be accelerated, the disassembly time is shortened, and the working efficiency is improved.

The utility model discloses a theory of operation is: the utility model has simple structure and reasonable design, the hexagonal jackscrew 4 is fixed in the corresponding limit hole of the flange surface of the pipeline 10 by clamping and fixing the clamping block support 1 and the fixed support 2, the flange between the valve 9 and the pipeline 10 can be jacked open by screwing in the screw thread rod 3, after a gap is jacked between the valve 9 and the flange of the pipeline 10, the chock 8 is moved to a corresponding position, the chock 8 is rotated to be inserted into the gap, the separation of the flange between the valve 9 and the pipeline 10 is facilitated, and by adjusting the position of the nut 7, the distance between the clamping block support 1 and the fixed support 2 can be adjusted, the applicability of the jackscrew tool is improved, the solvent capable of softening or dissolving the sealant is injected into the through hole 31 of the screw tooth rod 3, so that the sealant between the valve 9 and the pipeline 10 is softened and decomposed, the separation between the valve 9 and the flange of the pipeline 10 is accelerated, and the working efficiency is improved.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. Therefore, the present invention should be considered as illustrative and not restrictive in any sense, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and the preferred embodiments of the present invention are not intended to be limiting of the invention, and all changes, equivalents, modifications, etc. that come within the spirit and scope of the invention are intended to be embraced therein.

Claims (5)

1. The utility model provides a jackscrew frock for pipeline valve flange dismouting, includes screw tooth stick (3) and hexagonal jackscrew (4), screw tooth stick (3) and hexagonal jackscrew (4) threaded connection, its characterized in that, the terminal surface welding that hexagonal jackscrew (4) are close to screw tooth stick (3) is on fixing support (2), fixing support (2) are close to hexagonal jackscrew (4) side and are provided with screw thread post (21), screw thread post (21) welding is on fixing support (2), be provided with clamp splice support (1) on screw thread post (21), clamp splice support (1) and screw thread post (21) sliding connection, the side that clamp splice support (1) deviates from fixing support (2) is adjacent to be provided with nut (7), nut (7) and screw thread post (21) threaded connection;

be provided with telescopic link (6) on clamp splice support (1), telescopic link (6) base and clamp splice support (1) threaded connection, telescopic link (6) are coaxial with thread stick (3), and the movable rod of telescopic link (6) is close to thread stick (3) side concertina movement.

2. The jackscrew tool for dismounting and mounting the flange of the pipeline valve according to claim 1, wherein a guide sleeve (24) is stretched on the side of the fixed support (2) close to the screw rod (3), the guide sleeve (24) is coaxial with the screw rod (3), and the screw rod (3) is connected with the guide sleeve (24) in a sliding manner.

3. The jackscrew tool for dismounting the flange of the pipeline valve according to claim 1, wherein a pressing plate is fixedly connected to a movable rod end of the telescopic rod (6), a spring (5) is arranged between the pressing plate and the clamping block support (1), and the spring (5) is sleeved on the outer circumferential surface of the movable rod.

4. The jackscrew tool for dismounting and mounting a flange of a pipeline valve according to claim 1, wherein a movable chock (8) is arranged on the threaded column (21), and the chock (8) is arranged between the fixed support (2) and the clamping block support (1).

5. The jackscrew tool for dismounting and mounting a flange of a pipeline valve according to claim 1, characterized in that a through hole (31) is formed in the center of the thread rod (3).

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