CN215358207U

CN215358207U - Dome valve overhauls specialized tool

Info

Publication number: CN215358207U
Application number: CN202121580336.1U
Authority: CN
Inventors: 赵建荣; 钟国胜; 王存军; 曹勇; 赵爽
Original assignee: Huainan Tianjiaan Power Station of Anhui Electric Power Co Ltd
Current assignee: Huainan Tianjiaan Power Station of Anhui Electric Power Co Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-31
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a dome valve overhauling special tool which comprises an inner pull shaft sleeve gland, wherein two groups of containing grooves are formed in the bottom of the inner pull shaft sleeve gland, handles are fixedly connected to two sides of the inner pull shaft sleeve gland, sliding grooves are formed in two sides of the lower end of the inner pull shaft sleeve gland, a protective cover is movably connected in each sliding groove, a limiting strip is fixedly connected to one end of each protective cover in each containing groove, a pull hole is formed in the other end of each protective cover, a magnetic suction block is fixedly embedded in the inner wall surface of each sliding groove, and a fixed column is fixedly connected to the top of one group of containing grooves. This dome valve overhauls specialized tool is used for installing the dome valve axle sleeve through setting up interior axle sleeve gland, and is convenient for adjust the degree of depth that the axle sleeve got into, accomodates the groove through the setting and is used for accomodating other instruments such as bolt, long hex bolts, and this dome valve overhauls specialized tool simple structure, and space utilization is high, effectively simplifies the maintenance technology, improves maintenance efficiency, has reduced the maintenance cost, has guaranteed unit operation safety.

Description

Dome valve overhauls specialized tool

Technical Field

The utility model relates to the technical field of pneumatic transmission, in particular to a dome valve overhauling special tool.

Background

Dome valves are one type of valve used in pneumatic conveying systems that can shut off a flowing stream or a stationary column of material entering a pressure tank and then close to effect a seal. In thermal power factory, it is the general phenomenon to adopt dry ash removal, and the calotte feed valve that the storehouse pump adopted is the important equipment in the ash conveying system again, and moves storehouse pump quantity very big simultaneously, so can often appear the problem that same type needs repeated solution in maintenance work, such as calotte wearing and tearing of calotte valve, pivot wearing and tearing, pivot sealing washer damage etc. lead to the unable normal ash conveying of storehouse pump.

The existing dome valve has the defects of overhauling and replacing a dome, a rotating shaft, a shaft sleeve and a shaft sealing ring: 1. the maintenance process is complex and time-consuming and labor-consuming. 2. The equipment maintenance and repair costs are high. 3. The long online maintenance time affects the normal ash conveying of the system and the operation safety of the crisis unit. The utility model discloses a piston ring and dome valve are convenient for detect that has now, application number CN201921658609.2 can realize the soft or hard double seal to the spheroid part, has prolonged the life extension of piston ring to can make the testing personnel in time confirm the piston ring wearing and tearing when the piston ring grinds the damage, but this piston ring and dome valve be convenient for detect has the inconvenient problem of above-mentioned maintenance, to prior art's not enough, the specialized tool is overhauld to the dome valve of current design.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dome valve overhaul special tool to solve the problem of inconvenience in overhaul of the existing dome valve in the background art.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions:

the utility model provides a calotte valve overhauls specialized tool, includes interior axle sleeve gland, it accomodates the groove to have seted up two sets ofly in interior axle sleeve gland bottom, the equal fixedly connected with handle in interior axle sleeve gland both sides has all seted up the spout in interior axle sleeve gland lower extreme both sides, swing joint has the protective cover in the spout, the spacing strip of protective cover one end fixedly connected with is in accomodating the inslot, and the trompil has been seted up to the protective cover other end, and the fixed piece of magnetism that is equipped with is inlayed to spout internal face, and wherein a set of inslot top fixedly connected with fixed column of accomodating, fixed column swing joint have long hexagon nut.

Preferably, the upper end and the lower end of the inner pull shaft sleeve gland are of circular cylinder structures, the outer diameter length of the upper end of the inner pull shaft sleeve gland is smaller than the outer diameter length of the lower end of the inner pull shaft sleeve gland, and the inner diameter length of the upper end of the inner pull shaft sleeve gland is matched with the inner diameter length of the lower end of the inner pull shaft sleeve gland.

Preferably, the width of the protective cover is matched with the width of the sliding grooves, the two groups of sliding grooves are communicated with the two groups of accommodating grooves respectively, and the protective cover is movable in the accommodating grooves.

Preferably, the limiting strip and the magnetic suction block are located at the same horizontal position, the limiting strip is magnetically connected with the magnetic suction block, and the length of the limiting strip is greater than the width of the sliding groove.

Preferably, thread grooves are formed in two ends of the long hexagon nut, the thread directions of the two groups of thread grooves are opposite, and the surface of the fixing column is connected with the inner wall surface of one group of thread grooves through a thread structure.

The technical scheme of the utility model at least has the following beneficial effects:

among the above-mentioned scheme, be used for installing the dome valve axle sleeve through setting up interior axle sleeve gland, and be convenient for adjust the degree of depth that the axle sleeve got into, accomodate the groove through the setting and be used for accomodating other instruments such as bolt, long hex bolts, this dome valve overhauls specialized tool simple structure, and space utilization is high, effectively simplifies the maintenance technology, improves maintenance efficiency, has reduced the maintenance cost, has guaranteed unit operation safety.

Drawings

FIG. 1 is a front sectional view of a dome valve service tool of the present invention;

FIG. 2 is a schematic view of the bottom structure of a dome valve service tool of the present invention;

FIG. 3 is a sectional view of the front structure of a long hex nut of a dome valve service kit of the present invention;

FIG. 4 is a schematic side view of a long hex nut of a dome valve service tool of the present invention;

figure 5 is a schematic top view of a dome valve service tool of the present invention.

In the figure: 1. inner pull axle sleeve gland, 2, accomodate the groove, 3, handle, 4, spout, 5, protective cover, 6, spacing, 7, trompil, 8, magnetism piece of inhaling, 9, fixed column, 10, long hexagon nut, 11, thread groove.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model provides a dome valve overhaul special tool, which comprises an inner-pull shaft sleeve gland 1, wherein the upper end and the lower end of the inner-pull shaft sleeve gland 1 are both in a circular cylinder structure, the outer diameter length of the upper end of the inner-pull shaft sleeve gland 1 is smaller than the outer diameter length of the lower end of the inner-pull shaft sleeve gland 1, the inner diameter length of the upper end of the inner-pull shaft sleeve gland 1 is matched with the inner diameter length of the lower end of the inner-pull shaft sleeve gland 1, the inner-pull shaft sleeve gland 1 is used for installing a dome valve shaft sleeve and is convenient for adjusting the entering depth of the shaft sleeve.

As shown in fig. 1, two sets of grooves 2 of accomodating have been seted up in 1 bottom of interior axle sleeve gland, the equal fixedly connected with handle 3 in 1 both sides of interior axle sleeve gland, spout 4 has all been seted up in 1 lower extreme both sides of interior axle sleeve gland, swing joint has protective cover 5 in the spout 4, protective cover 5 width and spout 4 width phase-match, two sets of spouts 4 respectively with two sets of grooves 2 of accomodating interior switch-on, protective cover 5 activity is in accomodating groove 2, spout 4 has the locate function to protective cover 5, play through protective cover 5 and to accomodating 2 opening parts guard action in the groove.

As shown in fig. 1 and fig. 2, the spacing 6 of protective cover 5 one end fixedly connected with is in accomodating groove 2, trompil 7 has been seted up to the protective cover 5 other end, 4 internal face fixed inlays and is equipped with magnetism and inhale piece 8, spacing 6 is located same horizontal position with magnetism and inhales piece 8, spacing 6 is connected with magnetism of inhaling piece 8, and spacing 6 length is greater than the width of spout 4, spout 4 has limiting displacement to spacing 6, when spacing 6 contacts with magnetism inhales piece 8, have fixed action to spacing 6 and protective cover 5, and be convenient for control protective cover 5 through trompil 7.

As shown in fig. 1 and fig. 3 to 5, a fixing column 9 is fixedly connected to the top of the inside of the group of accommodating grooves 2, the fixing column 9 is movably connected with a long hexagon nut 10, thread grooves 11 are respectively formed in two ends of the long hexagon nut 10, the thread directions of the two groups of thread grooves 11 are opposite, and the surface of the fixing column 9 is connected with the inner wall surface of one group of thread grooves 11 through a thread structure, so that the long hexagon nut 10 can be fixed in the corresponding accommodating groove 2, and the applicability of the long hexagon nut 10 is improved.

The using process of the utility model is as follows:

when using this calotte valve to overhaul specialized tool, can control interior axle sleeve gland 1 through handle 3, be used for installing the calotte valve axle sleeve through interior axle sleeve gland 1, can be used to the dismouting bolt through long hexagon nut 10, the staff can accomodate bolt and long hexagon nut 10 in accomodating groove 2, and contact spacing strip 6 and magnetism piece 8 through sliding protective cover 5, thereby have the fixed action to protective cover 5, the above is this calotte valve to overhaul specialized tool working process.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a calotte valve overhauls specialized tool, includes interior axle sleeve gland, it accomodates the groove to have seted up two sets ofly in interior axle sleeve gland bottom, its characterized in that, the equal fixedly connected with handle in interior axle sleeve gland both sides, all seted up the spout in interior axle sleeve gland lower extreme both sides, swing joint has the protective cover in the spout, the spacing strip of protective cover one end fixedly connected with is in accomodating the inslot, and the pulling hole has been seted up to the protective cover other end, and the fixed piece of inhaling is inlayed to spout internal face, and wherein a set of inslot top fixedly connected with fixed column of accomodating, fixed column swing joint have long hexagon nut.

2. The dome valve overhaul tool as claimed in claim 1 wherein the upper and lower ends of the inner pull sleeve gland are of a cylindrical structure, the length of the outer diameter of the upper end of the inner pull sleeve gland is less than the length of the outer diameter of the lower end of the inner pull sleeve gland, and the length of the inner diameter of the upper end of the inner pull sleeve gland matches the length of the inner diameter of the inner pull sleeve gland.

3. The dome valve overhaul tool as claimed in claim 1 wherein the width of the shield is matched to the width of the slide slots, the two sets of slide slots are respectively connected to the two sets of receiving slots, and the shield is movable within the receiving slots.

4. The dome valve overhaul tool as claimed in claim 1 wherein the stop bar and the magnetic block are in the same horizontal position, the stop bar is magnetically connected to the magnetic block, and the length of the stop bar is greater than the width of the chute.

5. The dome valve overhaul tool as claimed in claim 1 wherein the long hex nut has threaded grooves in both ends, the thread direction of the two sets of threaded grooves are reversed, and the surface of the stationary post is connected to the inner wall of one set of threaded grooves by a threaded structure.