CN216449127U

CN216449127U - Gas valve detection device

Info

Publication number: CN216449127U
Application number: CN202122609557.3U
Authority: CN
Inventors: 张富松
Original assignee: Shandong Gongchen Machinery Technology Co ltd
Current assignee: Shandong Gongchen Machinery Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-06
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a gas valve detection device which comprises a detection table and two connecting flanges fixedly arranged at two ends of a valve body, wherein a fixing mechanism matched with the valve body is arranged on the detection table, two mounting plates are arranged on the detection table through an adjusting mechanism, sealing rods are fixedly arranged at one ends of the two mounting plates close to the valve body, the diameters of the two sealing rods are equal to the inner diameter of the valve body, and pressure detection mechanisms are arranged on the two sealing rods. Has the advantages that: the valve body can be firmly fixed on the detection table, so that the detection operation is better facilitated, the detection failure caused by the movement of the valve body in the detection process is avoided, meanwhile, the pressure change in the valve body can be displayed in real time, the sensitivity is higher, and the accuracy of the detection result can be effectively improved.

Description

Gas valve detection device

Technical Field

The utility model relates to the technical field of gas valve detection, in particular to a gas valve detection device.

Background

Valves are accessories for pipelines for opening and closing the pipeline, controlling flow direction, regulating and controlling parameters of the transport medium, and can be classified into shut-off valves, check valves, regulating valves, and the like according to their functions.

After the gas valve is produced, in order to ensure the using effect, the gas seal of the gas valve needs to be detected, but the existing detection device is complex to use, cannot effectively fix the gas valve, and has reduced detection sensitivity, so that the gas valve detection device needs to be designed urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a gas valve detection device.

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

the utility model provides a gas valve detection device, is including examining two flange of test table, fixed mounting at the valve body both ends, examine and install on the test table with valve body matched with fixed establishment, examine and install two mounting panels through adjustment mechanism on the test table, and two mounting panels are close to the equal fixed mounting of one end of valve body and have a sealing rod, and the diameter of two sealing rods all equals, two pressure measurement mechanism all installs on the sealing rod.

In foretell gas valve detection device, fixed establishment comprises spout, first bidirectional screw, carousel, two sliders and two arc kicking blocks, the spout is seted up on examining test table, two the equal sliding connection of slider is in the spout, two arc kicking blocks fixed mounting respectively is on two sliders, and two arc kicking blocks cooperate with two flange respectively, first bidirectional screw rotates to be connected on examining test table, and just first bidirectional screw is located the one end of spout and is threaded connection with two sliders, carousel fixed mounting is on first bidirectional screw.

In the gas valve detection device, the longitudinal middle section of the chute is overlapped with the longitudinal middle section of the detection table, and a silica gel pad is fixedly mounted on one side, away from the midpoint of the detection table, of the arc-shaped top block.

In foretell gas valve detection device, adjustment mechanism comprises second bidirectional screw, servo motor, two shifting chutes and four bracing pieces, two the shifting chute is all seted up on examining test table, four two liang of fixed mounting are respectively at two mounting panel lower extremes for the bracing piece, and two liang of sliding connection are respectively at two shifting chutes for four bracing pieces, the second bidirectional screw rotates to be connected on examining test table, and the one end that the second bidirectional screw is located one of them shifting chute is threaded connection with two bracing pieces that correspond, servo motor fixed mounting is on examining test table's lateral wall, and servo motor's output and second bidirectional screw fixed connection.

In the above gas valve detecting device, a longitudinal middle section of the moving groove overlaps with a longitudinal middle section of the detecting table, and a minimum distance between the two moving grooves is greater than a width of the sliding groove.

In foretell gas valve detection device, pressure measurement mechanism comprises mounting groove, first piston, second piston, spring and pressure sensor, the mounting groove is seted up on the lateral wall that the mounting panel was kept away from to the sealing rod, the equal sliding connection of first piston and second piston is in the mounting groove, spring mounting is between first piston and second piston, pressure sensor fixed mounting is in the bottom of mounting groove, and pressure sensor pastes with the second piston mutually.

In a foretell gas valve detection device, equal fixed mounting has a plurality of stoppers on the lateral wall of first piston and second piston, a plurality of spacing grooves have been seted up on the lateral wall of mounting groove, and every spacing groove cooperatees with two stoppers that correspond respectively, there is the display screen through backup pad fixed mounting on the detection platform, and the display screen is connected with the pressure sensor electricity.

Compared with the prior art, the utility model has the advantages that:

1: the valve body can be firmly fixed on the detection table by the aid of the fixing mechanism, so that better detection operation is facilitated, and detection failure caused by movement of the valve body in a detection process is avoided.

2: pressure change brought by the movement of the sealing rod in the valve body enables the pressure sensor to complete detection of the air tightness of the valve body in a mode of displaying a real-time pressure value on a display screen, sensitivity is better, and the accuracy of a detection result can be effectively improved.

3: the completion is to the fixed back of valve body, and the servo motor that needs to be opened promptly can detect the gas tightness of valve body automatically, and the operation mode is comparatively simple and convenient, convenient to popularize and use.

In conclusion, the valve body can be firmly fixed on the detection table, so that better detection operation is facilitated, detection failure caused by movement of the valve body in the detection process is avoided, pressure change in the valve body can be displayed in real time, the sensitivity is higher, and the accuracy of a detection result can be effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a gas valve detection device according to the present invention;

FIG. 2 is a schematic structural view of FIG. 1 with the valve body and two attachment flanges removed;

FIG. 3 is an enlarged view of the two arc-shaped top blocks and the connecting assembly therebetween shown in FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is an enlarged view of the structure of portion A in FIG. 4;

fig. 6 is a schematic structural view of two mounting plates and a connecting assembly therebetween in fig. 2.

In the figure: the device comprises a detection table 1, a valve body 2, a connecting flange 3, an arc-shaped top block 4, a sliding block 5, a sliding chute 6, a first bidirectional screw rod 7, a rotating disc 8, a mounting plate 9, a sealing rod 10, a mounting groove 11, a first piston 12, a second piston 13, a spring 14, a pressure sensor 15, a support rod 16, a moving groove 17, a servo motor 18, a support plate 19, a display screen 20 and a second bidirectional screw rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a gas valve detection device comprises a detection table 1 and two connecting flanges 3 fixedly installed at two ends of a valve body 2, wherein a fixing mechanism matched with the valve body 2 is installed on the detection table 1.

The above is noteworthy:

1. the fixing mechanism consists of a sliding chute 6, a first bidirectional screw rod 7, a rotating disc 8, two sliding blocks 5 and two arc-shaped jacking blocks 4.

2. The spout 6 is seted up on examining test table 1, the equal sliding connection of two sliders 5 is in spout 6, two arc kicking blocks 4 are fixed mounting respectively on two sliders 5, and two arc kicking blocks 4 cooperate with two flange 3 respectively, first two-way lead screw 7 rotates to be connected on examining test table 1, and first two-way lead screw 7 is located the one end in spout 6 and two sliders 5 are threaded connection, carousel 8 fixed mounting is on first two-way lead screw 7, but when rotating carousel 8, the first two-way lead screw 7 of accessible and the cooperation of two sliders 5, make two arc kicking blocks 4 be close to each other or keep away from, thereby can make the two outwards exert thrust to two flange 3 at 2 both ends of valve body, with this can ensure the fixed of valve body 2 on examining test table 1, be convenient for better detect the operation.

3. The vertical well cross-section of spout 6 overlaps with the vertical well cross-section that detects platform 1, the aim at of design here, can make two arc kicking blocks 4 fix the back to valve body 2, can keep valve body 2 to be in the central point that detects platform 1 and put, thereby be convenient for better carry out gas tightness detection operation simultaneously to both ends about valve body 2, one side fixed mounting that detects platform 1 mid point is kept away from to arc kicking block 4 has the silica gel pad, the design of silica gel pad, can avoid two arc kicking blocks 4 to lead to the fact the problem of wearing and tearing to two flange 3 when fixing valve body 2.

Referring to fig. 1-6, two mounting plates 9 are mounted on the detection table 1 through an adjusting mechanism, sealing rods 10 are fixedly mounted at one ends of the two mounting plates 9 close to the valve body 2, the diameters of the two sealing rods 10 are equal to the inner diameter of the valve body 2, and pressure detection mechanisms are mounted on the two sealing rods 10.

The above is noteworthy:

1. when two sealing rod 10 got into the left and right ends of valve body 2 simultaneously, can seal the left and right ends of valve body 2, keep valve body 2 to be in the closed condition this moment, move two sealing rod 10 to valve body 2 inside again afterwards, can detect the gas tightness of valve body 2 through the inside atmospheric pressure change of valve body 2.

2. The adjusting mechanism consists of a second bidirectional screw rod 21, a servo motor 18, two moving grooves 17 and four supporting rods 16, wherein the two moving grooves 17 are all arranged on the detection platform 1, the four supporting rods 16 are respectively and fixedly arranged at the lower ends of the two mounting plates 9 in pairs, the four supporting rods 16 are respectively and slidably connected in the two moving grooves 17 in pairs, the second bidirectional screw rod 21 is rotatably connected on the detection platform 1, one end of the second bidirectional screw rod 21 positioned in one moving groove 17 is in threaded connection with the corresponding two supporting rods 16, the servo motor 18 is fixedly arranged on the side wall of the detection platform 1, the output end of the servo motor 18 is fixedly connected with the second bidirectional screw rod 21, when the servo motor 18 works, the two corresponding supporting rods 16 can be driven to mutually approach or depart from each other through the second bidirectional screw rod 21, so that the distance between the two mounting plates 9 can be adjusted, the length of the two sealing rods 10 at both ends of the valve body 2 can be controlled thereby.

3. The longitudinal middle section of the moving groove 17 is overlapped with the longitudinal middle section of the detection table 1, and the design purpose of the position is that after the valve body 2 is fixed on the detection table 1, the lengths of the two sealing rods 10 at the two ends of the valve body 2 can be kept consistent, so that when the two sealing rods 10 are continuously close to each other, the pressures at the two ends of the valve body 2 are consistent, if the pressures at the two ends of the valve body 2 in the process that the two sealing rods 10 are close to each other are different, the airtightness of the valve body 2 is different, and the minimum distance between the two moving grooves 17 is larger than the width of the sliding groove 6.

4. The pressure detection mechanism comprises a mounting groove 11, a first piston 12, a second piston 13, a spring 14 and a pressure sensor 15, the mounting groove 11 is arranged on the side wall of the sealing rod 10 far away from the mounting plate 9, the first piston 12 and the second piston 13 are both connected in the mounting groove 11 in a sliding manner, the spring 14 is arranged between the first piston 12 and the second piston 13, the pressure sensor 15 is fixedly arranged at the bottom of the mounting groove 11, the pressure sensor 15 is attached to the second piston 13, when the sealing rod 10 seals the valve body 2, the continuous movement of the sealing rod 10 on the valve body 2 can cause the pressure change in the valve body 2, at the moment, the first piston 12 can move towards the bottom of the mounting groove 11 under the action of pressure, so that the second piston 13 can move through the spring 14, the pressure applied to the pressure sensor 15 by the second piston 13 can also change, and the airtightness of the valve body 2 can be judged through pressure reading, the purpose of the spring 14 is to keep the position of the second piston 13 unchanged when the second piston 13 applies pressure to the pressure sensor 15, so as to avoid damage to the pressure sensor 15 caused by movement obstruction.

5. Equal fixed mounting has a plurality of stoppers on the lateral wall of first piston 12 and second piston 13, has seted up a plurality of spacing grooves on the lateral wall of mounting groove 11, and every spacing groove cooperatees with two stoppers that correspond respectively, can prescribe a limit to the moving direction of first piston 12 and second piston 13 in mounting groove 11 to can avoid first piston 12 to shift out from mounting groove 11.

6. Detect on the platform 1 through backup pad 19 fixed mounting have a display screen 20, and display screen 20 is connected with pressure sensor 15 electricity, and display screen 20 can show in real time the pressure numerical value that two pressure sensor 15 detected out, and the gas tightness of valve body 2 of being convenient for better completion detects, improves the degree of accuracy of testing result.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a gas valve detection device, is including examining two flange (3) of examining test table (1), fixed mounting at valve body (2) both ends, its characterized in that, examine and install on test table (1) and with valve body (2) matched with fixed establishment, examine and install two mounting panels (9) through adjustment mechanism on test table (1), and two mounting panels (9) are close to the equal fixed mounting of one end of valve body (2) and have sealing rod (10), and the diameter of two sealing rod (10) all equals with the internal diameter of valve body (2), two all install pressure detection mechanism on sealing rod (10).

2. The gas valve detection device according to claim 1, wherein the fixing mechanism is composed of a sliding groove (6), a first bidirectional screw rod (7), a rotary table (8), two sliding blocks (5) and two arc-shaped top blocks (4), the sliding groove (6) is formed in the detection table (1), the two sliding blocks (5) are both connected in the sliding groove (6) in a sliding mode, the two arc-shaped top blocks (4) are fixedly installed on the two sliding blocks (5) respectively, the two arc-shaped top blocks (4) are matched with the two connecting flanges (3) respectively, the first bidirectional screw rod (7) is rotatably connected to the detection table (1), one end, located in the sliding groove (6), of the first bidirectional screw rod (7) is in threaded connection with the two sliding blocks (5), and the rotary table (8) is fixedly installed on the first bidirectional screw rod (7).

3. The gas valve detection device according to claim 2, wherein the longitudinal middle section of the chute (6) is overlapped with the longitudinal middle section of the detection table (1), and a silica gel pad is fixedly mounted on one side of the arc-shaped top block (4) away from the midpoint of the detection table (1).

4. The gas valve detection device according to claim 1, wherein the adjusting mechanism is composed of a second bidirectional screw rod (21), a servo motor (18), two moving grooves (17) and four support rods (16), the two moving grooves (17) are arranged on the detection platform (1), the four support rods (16) are respectively and fixedly arranged at the lower ends of the two mounting plates (9) in pairs, and the four supporting rods (16) are respectively connected in two sliding grooves (17) in a sliding way, the second bidirectional screw rod (21) is rotationally connected to the detection table (1), and one end of the second bidirectional screw rod (21) positioned in one of the moving grooves (17) is in threaded connection with the two corresponding supporting rods (16), the servo motor (18) is fixedly arranged on the side wall of the detection table (1), and the output end of the servo motor (18) is fixedly connected with a second bidirectional screw rod (21).

5. A gas valve detecting device according to claim 4, characterized in that the longitudinal median section of the moving slot (17) overlaps with the longitudinal median section of the detecting table (1), the minimum distance between two moving slots (17) being greater than the width of the slide slot (6).

6. The gas valve detection device according to claim 1, wherein the pressure detection mechanism comprises a mounting groove (11), a first piston (12), a second piston (13), a spring (14) and a pressure sensor (15), the mounting groove (11) is formed in a side wall, away from the mounting plate (9), of the sealing rod (10), the first piston (12) and the second piston (13) are both slidably connected in the mounting groove (11), the spring (14) is installed between the first piston (12) and the second piston (13), the pressure sensor (15) is fixedly installed at the bottom of the mounting groove (11), and the pressure sensor (15) is attached to the second piston (13).

7. The gas valve detection device according to claim 6, wherein a plurality of limiting blocks are fixedly mounted on the side walls of the first piston (12) and the second piston (13), a plurality of limiting grooves are formed in the side wall of the mounting groove (11), each limiting groove is matched with the corresponding two limiting blocks, a display screen (20) is fixedly mounted on the detection table (1) through a support plate (19), and the display screen (20) is electrically connected with the pressure sensor (15).