CN216559594U

CN216559594U - Vertical gas quick action emergency valve gas tightness detects machine

Info

Publication number: CN216559594U
Application number: CN202220071710.3U
Authority: CN
Inventors: 鲍博
Original assignee: Chongqing Dusheng Valve Co ltd
Current assignee: Chongqing Dusheng Valve Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-17
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a vertical gas emergency cut-off valve air tightness detector, comprising: the gas emergency cut-off valve comprises a working platform, a mounting frame, baffles, a guide rail, a sliding seat, a pressing head, a vertical driving mechanism, a pressure sensor, a lifting enclosure, a lifting spring and a positioning mechanism, wherein the guide rail is mounted on the working platform; the lifting enclosure is arranged on the sliding seat in a surrounding mode, the lifting enclosure is arranged on the gas emergency cut-off valve in a surrounding mode, a lifting spring is arranged between the lifting enclosure and the sliding seat, and a positioning mechanism is arranged between the lifting enclosure and the sliding seat. This vertical gas quick action emergency valve gas tightness detects machine solves the problem that can not aim at gas quick action emergency valve and collet among the prior art.

Description

Vertical gas quick action emergency valve gas tightness detects machine

Technical Field

The utility model relates to equipment for detecting the air tightness of a gas emergency cut-off valve, in particular to an air tightness detector of a vertical gas emergency cut-off valve.

Background

Gas quick-witted detection of quick-witted gas quick action emergency valve gas tightness includes: work platform, a mounting bracket, the baffle, the guide rail, the sliding seat, the pressure head, vertical actuating mechanism and baroceptor, the last guide rail of installing of work platform, the other mounting bracket of installing of guide rail, install vertical actuating mechanism on the mounting bracket, vertical actuating mechanism is connected to the pressure head, the pressure head compresses tightly the gas emergency shut-off valve on the sliding seat, install the baffle that is located the guide rail both sides on the mounting bracket, the sliding seat can be installed on the guide rail with sliding, the pressure head can be kept away from to the sliding seat, the sliding seat can be located under the pressure head, compress tightly overhead installation air supply pipe, the air supply pipe communicates to the air pump, install baroceptor on the sliding seat, baroceptor stretches into in the gas emergency shut-off valve, baroceptor is used for detecting the emergent internal gas pressure of gas. Although it is possible to detect airtightness by detecting the stability of air pressure after air supply, the airtightness detecting machine has disadvantages in that:

because gas emergency cut-off valve installs the back on the sliding seat, gas emergency cut-off valve can be along with the sliding seat moves together on the guide rail, and the gas emergency cut-off valve can deviate original mounted position after the motion, leads to gas emergency cut-off valve can't aim at with the collet, and the collet aims at the back and just can seal gas emergency cut-off valve tip, and the position is deviated the back, can lead to leaking gas in the gas emergency cut-off valve, leads to the gas tightness testing result inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air tightness detector for a vertical gas emergency cut-off valve, which solves the problem that the gas emergency cut-off valve and a pressing head cannot be aligned in the prior art.

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

the utility model discloses an air tightness detector of a vertical gas emergency cut-off valve, which comprises: the gas emergency cut-off valve comprises a working platform, a mounting frame, baffles, a guide rail, a sliding seat, a pressing head, a vertical driving mechanism, an air pressure sensor, a lifting enclosure, a lifting spring and a positioning mechanism, wherein the guide rail is mounted on the working platform; go up and down to enclose to keep off and encircle on the sliding seat, go up and down to enclose to keep off and encircle on the gas emergency cut-off valve, go up and down to enclose to install between fender and the sliding seat and rise the spring, enclose to keep off and install positioning mechanism between fender and the sliding seat in going up and down, positioning mechanism is used for enclosing the fender location in the extreme low position with going up and down, rises the spring and is used for keeping going up and down to enclose to keep off and encircle outside the gas emergency cut-off valve that is located on the sliding seat top surface.

Preferably, the positioning mechanism includes: the lifting enclosure is provided with a rotary arm capable of rotating, the bottom end of the rotary arm is fixed to the positioning arm, the top surface of the working platform is sunken to form a first jack for inserting the rotary arm and the positioning arm, the inner wall of the first jack is sunken to form a rotary groove, and the rotary groove is screwed in the positioning arm.

Preferably, a rotation limiting rod capable of moving in the horizontal direction is installed at the connection position of the rotating arm and the lifting enclosure, and the rotation limiting rod is used for limiting the rotation of the rotating arm.

Preferably, the lifting enclosure is provided with a rotating hole for the rotating arm to pass through, the lifting enclosure is sunken to form a notch, the notch is used for placing a limit slip ring, the limit slip ring is connected to the rotating arm, and the limit slip ring limits the relative lifting of the rotating arm to enable the rotating arm to lift and enclose the barrier to lift.

Preferably, the slip-limiting ring is in threaded connection with the rotating arm, and the slip-limiting ring is of a cuboid structure.

Preferably, the rotation limiting rod is of a cuboid structure and is inserted between the disengagement limiting ring and the inner wall of the notch.

Preferably, the rotary arm comprises: the diameter of the cylinder is larger than that of the first screw, the diameter of the first screw is larger than that of the second screw, the cylinder is connected with the second screw through the first screw, and the first screw is in threaded connection with the release-limiting ring.

Compared with the prior art, the utility model has the following beneficial effects:

enclose the fender through setting up the lift, realized when going up and down to enclose the fender and be in the lowest position, positioning mechanism location, the confession is placed gas emergency cut-off valve on the sliding seat top surface this moment, conveniently installs gas emergency cut-off valve on the sliding seat top surface, goes up and down to enclose the fender and can not too high stop to remove heavier gas emergency cut-off valve. After making positioning mechanism release go up and down to enclose the fender, can keep going up and down to enclose the fender and encircle outside the gas emergency cut-off valve under the elasticity that risees the spring, fix a position the gas emergency cut-off valve, avoid follow-up gas emergency cut-off valve to lead to unable and the hold-down head to aim at along with the sliding seat removes, the hold-down head is sealed with the gas emergency cut-off valve, avoids follow-up gas emergency cut-off valve's gas tightness and leads to the testing result to receive the hindrance, improves testing result.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of a gas tightness detector of a vertical gas emergency cut-off valve;

FIG. 2 is a schematic structural view of the gas tightness detector of the vertical gas emergency cut-off valve after the sliding seat and the lifting enclosure are cut open;

fig. 3 is an enlarged view at the slide seat.

Reference numerals: work platform 1, first jack, swivelling chute, mounting bracket 2, baffle 3, guide rail 4, sliding seat 5, pressure head 6, vertical actuating mechanism 7, baroceptor 8, lift enclose fender 9, breach 90, rising spring 10, positioning mechanism 11, swinging boom 111, location arm 112, cylinder 113, first screw 114, second screw 115, limit slip ring 116, limit bull stick 117.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the utility model clearer and easier to understand, the utility model is further explained by combining the drawings and the detailed implementation mode:

as shown in fig. 1 to 3, the utility model discloses a gas tightness detector for a vertical gas emergency cut-off valve, comprising: the gas emergency cut-off valve comprises a working platform 1, a mounting frame 2, a baffle 3, a guide rail 4, a sliding seat 5, a pressing head 6, a vertical driving mechanism 7, a pressure sensor 8, a lifting surrounding baffle 9, a lifting spring 10 and a positioning mechanism 11, wherein the guide rail 4 is installed on the working platform 1, the mounting frame 2 is installed beside the guide rail 4, the vertical driving mechanism 7 is installed on the mounting frame 2, the vertical driving mechanism 7 is connected to the pressing head 6, the pressing head 6 presses the gas emergency cut-off valve on the sliding seat 5, the mounting frame 2 is provided with baffle plates 3 positioned at two sides of the guide rail 4, the sliding seat 5 can be slidably arranged on the guide rail 4, the sliding seat 5 can be far away from the pressing head 6, the sliding seat 5 can be positioned under the pressing head 6, the pressing head 6 is provided with an air supply pipe which is communicated with an air pump, an air pressure sensor 8 is arranged on the sliding seat 5, and the air pressure sensor 8 extends into the gas emergency cut-off valve; go up and down to enclose fender 9 and encircle on sliding seat 5, go up and down to enclose fender 9 and encircle on gas emergency cut-off valve, go up and down to enclose to install between fender 9 and sliding seat 5 and rise spring 10, enclose at the lift and install positioning mechanism 11 between fender 9 and sliding seat 5, positioning mechanism 11 is used for enclosing the lift and keeps off 9 location at the extreme low position, and rise spring 10 is used for keeping going up and down to enclose fender 9 and encircle outside the gas emergency cut-off valve that is located sliding seat 5 top surface.

The positioning mechanism 11 includes: the lifting enclosure 9 is provided with a rotatable rotating arm 111, the bottom end of the rotating arm 111 is fixed to the positioning arm 112, the top surface of the working platform 1 is sunken to form a first inserting hole for inserting the rotating arm 111 and the positioning arm 112, the inner wall of the first inserting hole is sunken to form a rotating groove, and the rotating groove is screwed in the positioning arm 112. After the rotating arm 111 and the positioning arm 112 are inserted through the first jack, the rotating arm 111 is rotated, so that the positioning arm 112 can be screwed into the rotating groove, the inner wall of the rotating groove is hooked by the positioning arm 112, and the positioning arm 112 limits the lifting of the enclosure 9.

A rotation limiting rod 117 capable of moving in the horizontal direction is installed at the connection position of the rotating arm 111 and the lifting enclosure 9, and the rotation limiting rod 117 is used for limiting the rotation of the rotating arm 111. The rotation limiting rod 117 can move in the horizontal direction relative to the lifting enclosure 9, and when the rotation limiting rod 117 is far away from the rotating arm 111, the rotation limiting rod 117 releases the rotating arm 111.

The lifting enclosure 9 is provided with a rotating hole for the rotating arm 111 to pass through, the lifting enclosure 9 is sunken to form a notch 90, the notch 90 is provided with a release ring 116 to be placed in, the release ring 116 is connected to the rotating arm 111, and the release ring 116 limits the rotating arm 111 to lift relative to the lifting enclosure 9. The notch 90 allows for the insertion of the anti-slip ring 116.

The disengagement-limiting ring 116 is in threaded connection with the rotating arm 111, and the disengagement-limiting ring 116 is of a cuboid structure. The outer wall of the disengagement limiting ring 116 is tightly attached to the rotation limiting rod 117, so that the rotation limiting rod 117 limits the rotation of the disengagement limiting ring 116 and the rotation of the rotating arm 111.

The rotation limiting rod 117 is of a cuboid structure, the rotation limiting rod 117 is inserted between the disengagement limiting ring 116 and the inner wall of the notch 90, and the rotation limiting rod 117 is matched with the disengagement limiting ring 116, so that the rotation of the rotating arm 111 is limited.

The rotating arm 111 includes: the diameter of the cylinder 113 is larger than that of the first screw 114, the diameter of the first screw 114 is larger than that of the second screw 115, the cylinder 113 is connected with the second screw 115 through the first screw 114, and the first screw 114 is in threaded connection with the disengagement limiting ring 116. The connection of the rotating arm 111 and the disengagement-limiting ring 116 is realized.

When the disengagement-limiting ring 116 is installed, firstly, the movable rotation-limiting rod 117 extends into the notch 90; then, the anti-slip ring 116 is placed in the gap 90, and one side face of the anti-slip ring 116 is tightly attached to the rotation limiting rod 117; then, the rotating arm 111 passes through a rotating hole of the lifting enclosure 9; then, the rotating arm 111 is rotated, and a first screw 114 on the rotating arm 111 is in threaded connection with the disengagement-limiting ring 116; then, the rotation limiting rod 117 is moved to make the rotation limiting rod 117 separated from the separation limiting ring 116; then, the positioning arm 112 is placed below the rotating arm 111; finally, the rotating arm 111 is screwed to the positioning arm 112.

During detection, firstly, the sliding seat 5 is kept at a position deviated from the pressing head 6; then, the positioning arm 112 hooks the inner wall of the rotating groove, and the lifting enclosure 9 is at a lower position; then, placing the gas emergency cut-off valve on the sliding seat 5; then, the rotation limiting rod 117 is pulled to separate the rotation limiting rod 117 from the separation limiting ring 116; then, the rotating arm 111 is rotated, so that the positioning arm 112 is separated from the rotating groove, and the positioning arm 112 is aligned with the first jack; then, under the elastic force of a lifting spring 10, the lifting enclosure 9 is lifted, the sliding seat 5 is provided with a second jack through which the rotating arm 111 and the positioning arm 112 pass, and the lifting enclosure 9 is lifted to a position surrounding the outside of the gas emergency cut-off valve to position the gas emergency cut-off valve; then, the sliding seat 5 and the gas emergency cut-off valve are pushed, so that the sliding seat 5 and the gas emergency cut-off valve are aligned to the pressing head 6, and the pressing head 6 is positioned above the gas emergency cut-off valve; then, under the drive of the vertical driving mechanism 7, the pressing head 6 presses the gas emergency cut-off valve on the sliding seat 5; then, the air pump supplies air for the gas emergency cut-off valve; finally, after the gas supply is finished for a period of time, the air pressure sensor 8 detects the change of the air pressure, so that whether the gas emergency cut-off valve is good in air tightness or not is judged.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a vertical gas quick action emergency valve gas tightness detects machine which characterized in that includes: the gas emergency cut-off valve comprises a working platform, a mounting frame, baffles, a guide rail, a sliding seat, a pressing head, a vertical driving mechanism, an air pressure sensor, a lifting enclosure, a lifting spring and a positioning mechanism, wherein the guide rail is mounted on the working platform;

go up and down to enclose to keep off and encircle on the sliding seat, go up and down to enclose to keep off and encircle on the gas emergency cut-off valve, go up and down to enclose to install between fender and the sliding seat and rise the spring, enclose to keep off and install positioning mechanism between fender and the sliding seat in going up and down, positioning mechanism is used for enclosing the fender location in the extreme low position with going up and down, rises the spring and is used for keeping going up and down to enclose to keep off and encircle outside the gas emergency cut-off valve that is located on the sliding seat top surface.

2. The machine for detecting the airtightness of the vertical type gas emergency shut-off valve according to claim 1, wherein the positioning mechanism comprises: the lifting enclosure is provided with a rotary arm capable of rotating, the bottom end of the rotary arm is fixed to the positioning arm, the top surface of the working platform is sunken to form a first jack for inserting the rotary arm and the positioning arm, the inner wall of the first jack is sunken to form a rotary groove, and the rotary groove is screwed in the positioning arm.

3. The machine for detecting the airtightness of the vertical type gas emergency shut-off valve according to claim 2, wherein a rotation limiting rod capable of moving in the horizontal direction is installed at a joint of the rotating arm and the lifting enclosure, and the rotation limiting rod is used for limiting the rotation of the rotating arm.

4. The machine for detecting the airtightness of the vertical type emergency gas cut-off valve according to claim 3, wherein the lifting enclosure is provided with a rotation hole through which the rotation arm passes, the lifting enclosure is recessed to form a notch, the notch is provided with a disengagement-limiting ring, the disengagement-limiting ring is connected to the rotation arm, and the disengagement-limiting ring limits the rotation arm to lift relative to the lifting enclosure.

5. The machine for detecting the air tightness of the vertical type gas emergency shut-off valve according to claim 4, is characterized in that the disengagement-limiting ring is in threaded connection with the rotating arm, and the disengagement-limiting ring is of a cuboid structure.

6. The machine for detecting the air tightness of the vertical type gas emergency shut-off valve according to claim 5, wherein the rotation limiting rod is of a cuboid structure and is inserted between the disengagement limiting ring and the inner wall of the notch.

7. The machine for detecting the airtightness of the vertical type gas emergency shut-off valve according to claim 6, wherein the rotating arm comprises: the diameter of the cylinder is larger than that of the first screw, the diameter of the first screw is larger than that of the second screw, the cylinder is connected with the second screw through the first screw, and the first screw is in threaded connection with the release-limiting ring.