CN212122393U

CN212122393U - Gate valve seat wedge sealing surface turning positioning fixture

Info

Publication number: CN212122393U
Application number: CN202020326698.7U
Authority: CN
Inventors: 张斌
Original assignee: Yancheng Aoke Valve Co ltd
Current assignee: Yancheng Aoke Valve Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-11
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a sealed face turning positioning fixture of gate valve disk seat wedge, including the gate valve main part, the right-hand member of gate valve main part passes through clamping device and is fixed with the fly leaf, be fixed with the fixed plate on the fly leaf, and the fixed plate passes through the bearing and is connected with the cooperation board, rotary device and cooperation board block are passed through to the right side surface of fixed plate, the cooperation board is all fixed in the positioner main part. This sealed face turning positioning fixture of gate valve disk seat wedge is provided with clamping device, wherein clamping device includes the bull stick, the grip block with accept the board etc. can make operating personnel convenient and fast carry out centre gripping and dismantlement to the gate valve main part through this device, the time has been saved greatly, the work efficiency is improved, still be provided with rotary device, wherein rotary device includes the gag lever post, spring and block groove etc. can make the gate valve main part need not take off and overturn through this device, then install again, only need rotatory fly leaf can, the operating time has been saved greatly.

Description

Gate valve seat wedge sealing surface turning positioning fixture

Technical Field

The utility model relates to a gate valve location technical field specifically is a sealed face turning positioning fixture of gate valve disk seat wedge.

Background

The wedge type gate valve is one of main parts of the gate valve, and two wedge sealing surfaces of a valve seat directly influence the sealing performance of the gate valve, so that the machining of the wedge sealing surfaces is a key process in the valve body machining process, and the process is also the process with the largest difficulty in the valve body machining process, but the traditional turning positioning clamp for the wedge sealing surfaces of the valve seat of the gate valve still has the following problems in use.

1. This sealed face turning positioning fixture of gate valve disk seat wedge is generally through fixing the centre gripping by the bolt to the fixed between the gate valve, and such centre gripping mode is convenient enough, and the operation is comparatively troublesome, takes time and energy well.

2. This sealed face turning positioning fixture of gate valve disk seat wedge adds man-hour to the sealed face of disk seat wedge, at first presss from both sides the valve body with anchor clamps tight, then processes the sealed face of one of them wedge of valve body, later dismantles the valve body from anchor clamps get off to 180 degrees overturns, installs again on anchor clamps, can't just overturn under the circumstances of centre gripping, and is comparatively inconvenient, consequently needs a sealed face turning positioning fixture of gate valve disk seat wedge to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed face turning positioning fixture of gate valve disk seat wedge to solve this gate valve disk seat wedge sealed face turning positioning fixture clamping structure that proposes in the above-mentioned background art comparatively loaded down with trivial details, dismantle comparatively difficult, and the valve body can't carry out the problem of overturning under the condition of centre gripping.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed face turning positioning fixture of gate valve disk seat wedge, includes the gate valve main part, the right-hand member of gate valve main part is fixed with the fly leaf through clamping device, be fixed with the fixed plate on the fly leaf, and the fixed plate passes through the bearing and is connected with the cooperation board, the right side surface of fixed plate passes through rotary device and cooperation board block, the cooperation board is all fixed in the positioner main part.

Preferably, clamping device includes bull stick, first bevel gear, second bevel gear, movable rod, external screw thread, screw, grip block and accepts the board, be connected with the bull stick through the bearing on the fly leaf, and the inner of bull stick is fixed with first bevel gear, first bevel gear all with second bevel gear intermeshing, second bevel gear all fixes on the movable rod, the external screw thread has been seted up to the symmetry on the movable rod, and all threaded connection has the screw on the external screw thread, all be fixed with the grip block on the screw, and the grip block all laminates with the gate valve main part each other.

Preferably, the external screw thread is symmetrically provided with two groups, and the grain direction of the external screw thread of each group is arranged in the opposite direction.

Preferably, the clamping plates are all set to be L-shaped, and the height of the clamping plates is equal to that of the gate valve main body chassis.

Preferably, the optional equipment device includes gag lever post, fixed storehouse, slider, spout, pull rod, spring and block groove, the fixed plate longitudinal symmetry articulates there is the gag lever post, and all is fixed with fixed storehouse on the gag lever post, the spout has been seted up to fixed storehouse inner wall symmetry, and all sliding connection has the slider in the spout, the slider all fixes on the pull rod, all twine on the pull rod and be provided with the spring, the inner and the slider of spring are connected, the outer end and the fixed storehouse wall connection of spring, the inner of pull rod all with block groove block, block groove all sets up in the cooperation inboard.

Preferably, the length of each of the sliding grooves is larger than the length of the engaging groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this sealed face turning positioning fixture of gate valve disk seat wedge is provided with clamping device, wherein clamping device includes the bull stick, first conical gear, second conical gear, the movable rod, the external screw thread, the screw, the grip block and accept the board, when the centre gripping with the gate valve main part is relieved to needs, only need to rotate the bull stick and drive first conical gear and rotate, first conical gear rotates and drives second conical gear and rotate, second conical gear rotates and drives the movable rod and rotate, the movable rod rotates and drives two sets of external screw threads and rotate, the external screw thread rotates and drives the screw and do opposite movement, make the screw drive two sets of grip blocks respectively and gate valve main part base complete separation and can accomplish the dismantlement, can make operating personnel convenient and fast carry out centre gripping and dismantlement to the gate valve main part through this device, time is saved greatly, and work efficiency is improved.

2. This sealed face turning positioning fixture of gate valve disk seat wedge is provided with rotary device, wherein rotary device includes the gag lever post, fixed storehouse, the slider, the spout, the pull rod, spring and block groove, when needs overturn the gate valve main part, only need outwards stimulate the pull rod, make the pull rod drive the slider outwards remove in the spout, at this moment slider extrusion spring produces deformation, the inner of until the pull rod all separates with block groove complete separation, at this moment can rotate the gag lever post, make gag lever post and cooperation board separation, then can rotate the fly leaf, make the fly leaf pass through the bearing and cooperate the board cooperation to rotate, thereby drive the gate valve main part and overturn, can make the gate valve main part need not take off to overturn through this device, then install again, only need rotate the fly leaf can, operating time has been saved greatly.

Drawings

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

FIG. 2 is a schematic view of the structural front view section of the present invention in an active state;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a gate valve body; 2. a positioning device body; 3. a movable plate; 4. a fixing plate; 5. a mating plate; 61. a rotating rod; 62. a first bevel gear; 63. a second bevel gear; 64. a movable rod; 65. an external thread; 66. a nut; 67. a clamping plate; 68. a bearing plate; 71. a limiting rod; 72. fixing the bin; 73. a slider; 74. a chute; 75. a pull rod; 76. a spring; 77. an engaging groove.

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 an embodiment: a turning and positioning fixture for a wedge sealing surface of a gate valve seat comprises a gate valve body 1, wherein the right end of the gate valve body 1 is fixed with a movable plate 3 through a clamping device, the clamping device comprises a rotating rod 61, a first bevel gear 62, a second bevel gear 63, a movable rod 64, external threads 65, nuts 66, a clamping plate 67 and a bearing plate 68, the rotating rod 61 is connected to the movable plate 3 through a bearing, the first bevel gear 62 is fixed to the inner end of the rotating rod 61, the first bevel gear 62 is meshed with the second bevel gear 63, the second bevel gear 63 is fixed to the movable rod 64, the external threads 65 are symmetrically arranged on the movable rod 64, the nuts 66 are in threaded connection on the external threads 65, two groups of the external threads 65 are symmetrically arranged, the grain directions of each group of the external threads 65 are opposite, and the purpose of the setting is to ensure that the nuts 66 can only move towards or away from each other on the external threads 65, make grip block 67 and gate valve main part 1 form the centre gripping and remove the purpose of centre gripping, all be fixed with grip block 67 on the screw 66, and grip block 67 all laminates with gate valve main part 1 each other, the shape of grip block 67 all sets up to "L" form, the height on grip block 67 all equals the height on 1 chassis of gate valve main part, the purpose that sets up like this is that it can be more firm with gate valve main part 1 is fixed to guarantee grip block 67, can make operating personnel convenient and fast carry out centre gripping and dismantlement to gate valve main part 1 through this device, time is greatly saved, and the work efficiency is improved.

The fixed plate 4 is fixed on the movable plate 3, the fixed plate 4 is connected with the matching plate 5 through a bearing, the right side surface of the fixed plate 4 is clamped with the matching plate 5 through a rotating device, the rotating device comprises a limiting rod 71, a fixed bin 72, a sliding block 73, a sliding groove 74, a pull rod 75, a spring 76 and a clamping groove 77, the limiting rod 71 is hinged to the fixed plate 4 in an up-down symmetrical mode, the fixed bin 72 is fixed on the limiting rod 71, the sliding grooves 74 are symmetrically formed in the inner wall of the fixed bin 72, the sliding blocks 73 are connected in the sliding grooves 74 in a sliding mode, the length of each sliding groove 74 is larger than that of each clamping groove 77, the arrangement is to ensure that the inner end of the pull rod 75 can be completely separated from each clamping groove 77 after the sliding block 73 drives the pull rod 75 to move from the left end to the right end of the sliding groove 74, the sliding blocks 73 are fixed on the pull rod 75, the outer end of the spring 76 is connected with the inner wall of the fixed bin 72, the inner ends of the pull rods 75 are clamped with the clamping grooves 77, the clamping grooves 77 are formed in the matching plates 5, the matching plates 5 are fixed on the positioning device main body 2, the gate valve main body 1 can be turned over without being taken down through the device, then the gate valve main body is installed, only the movable plate 3 needs to be rotated, and the working time is greatly saved.

The working principle is as follows: when the centre gripping with gate valve main part 1 is relieved to needs, only need to rotate bull stick 61 and drive first conical gear 62 and rotate, first conical gear 62 rotates and drives second conical gear 63 and rotate, second conical gear 63 rotates and drives movable rod 64 and rotate, movable rod 64 rotates and drives two sets of external screw threads 65 and rotate, external screw threads 65 rotates and drives screw 66 and do opposite movement, make screw 66 drive two sets of grip blocks 67 respectively and can accomplish the dismantlement with 1 base complete segregation of gate valve main part, can make operating personnel convenient and fast carry out centre gripping and dismantlement to gate valve main part 1 through this device, time has been saved greatly, and the work efficiency is improved.

When the gate valve main body 1 needs to be turned over, only the pull rod 75 needs to be pulled outwards, the pull rod 75 drives the slider 73 to move outwards in the sliding groove 74, at the moment, the slider 73 extrudes the spring 76 to deform, the inner end of the pull rod 75 is completely separated from the clamping groove 77, at the moment, the limiting rod 71 can be rotated, the limiting rod 71 is separated from the matching plate 5, then the movable plate 3 can be rotated, the movable plate 3 is matched and rotated with the matching plate 5 through the bearing, the gate valve main body 1 is driven to turn over, the gate valve main body 1 does not need to be taken down to turn over through the device, then the device is installed, only the movable plate 3 needs to be rotated, the working time is greatly saved, and finally, the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed face turning positioning fixture of gate valve disk seat wedge, includes gate valve main part (1), its characterized in that: the right-hand member of gate valve main part (1) passes through clamping device and fixes with fly leaf (3), be fixed with fixed plate (4) on fly leaf (3), and fixed plate (4) are connected with cooperation board (5) through the bearing, the right side surface of fixed plate (4) passes through rotary device and cooperation board (5) block, cooperation board (5) are all fixed on positioner main part (2).

2. The gate valve seat wedge sealing surface turning positioning fixture of claim 1, characterized in that: clamping device includes bull stick (61), first conical gear (62), second conical gear (63), movable rod (64), external screw thread (65), screw (66), grip block (67) and accepts board (68), be connected with bull stick (61) through the bearing on fly leaf (3), and the inner of bull stick (61) is fixed with first conical gear (62), first conical gear (62) all with second conical gear (63) intermeshing, second conical gear (63) all fix on movable rod (64), external screw thread (65) have been seted up to symmetry on movable rod (64), and all threaded connection has screw (66) on external screw thread (65), all be fixed with grip block (67) on screw (66), and grip block (67) all laminate each other with gate valve main part (1).

3. The gate valve seat wedge sealing surface turning positioning fixture of claim 2, characterized in that: the external thread (65) is symmetrically provided with two groups, and the grain direction of the external thread (65) in each group is arranged in the opposite direction.

4. The gate valve seat wedge sealing surface turning positioning fixture of claim 2, characterized in that: the shape of grip block (67) all sets up to "L" form, the height of grip block (67) all equals the height of gate valve main part (1) chassis.

5. The gate valve seat wedge sealing surface turning positioning fixture of claim 1, characterized in that: rotating device includes gag lever post (71), fixed storehouse (72), slider (73), spout (74), pull rod (75), spring (76) and block groove (77), fixed plate (4) longitudinal symmetry articulates there is gag lever post (71), and all is fixed with fixed storehouse (72) on gag lever post (71), spout (74) have been seted up to fixed storehouse (72) inner wall symmetry, and all sliding connection has slider (73) in spout (74), slider (73) all are fixed on pull rod (75), all the winding is provided with spring (76) on pull rod (75), the inner and slider (73) of spring (76) are connected, the outer end and the fixed storehouse (72) inner wall connection of spring (76), the inner of pull rod (75) all with block groove (77) block, block groove (77) all set up in cooperation board (5).

6. The gate valve seat wedge sealing surface turning positioning fixture of claim 5, characterized in that: the length of the sliding groove (74) is larger than that of the clamping groove (77).