CN220854058U - Pressure testing device for butterfly valve - Google Patents

Pressure testing device for butterfly valve Download PDF

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Publication number
CN220854058U
CN220854058U CN202321869282.XU CN202321869282U CN220854058U CN 220854058 U CN220854058 U CN 220854058U CN 202321869282 U CN202321869282 U CN 202321869282U CN 220854058 U CN220854058 U CN 220854058U
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hydraulic
pressure
pipeline
water pump
block
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CN202321869282.XU
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Chinese (zh)
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赵华文
方云峰
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Changzhou Woge Fluid Control Technology Co ltd
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Changzhou Woge Fluid Control Technology Co ltd
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Abstract

The utility model discloses a pressure testing device for a butterfly valve, which comprises a water pump box, a detection platform and an electric control device, wherein a bracket is arranged at the bottom of the water pump box, the electric control device is connected with the detection platform through three support rods, the detection platform is arranged above the bracket, and the electric control device is arranged above the detection platform; the water pump box further comprises a first pipeline and a second pipeline, the first pipeline is provided with a first water feeding valve and a first pressure relief valve, and the second pipeline is provided with a second water feeding valve and a second pressure relief valve; the detection platform comprises a support base, a first hydraulic device and a second hydraulic device, wherein the first hydraulic device and the second hydraulic device are arranged above the support base; the electric control device also comprises a device shell, a first hydraulic cylinder and a second hydraulic cylinder; the device also comprises a connecting pipe, wherein the connecting pipe is connected with the water pump box and the device shell; according to the utility model, whether the butterfly valve leaks or not is detected in a mode of clamping the butterfly valve by hydraulic pressure; the valve pressure value is accurately controlled through the pressure gauge, so that the accuracy of the device is improved.

Description

Pressure testing device for butterfly valve
Technical Field
The utility model relates to the technical field of butterfly valve testing, in particular to a pressure testing device for a butterfly valve.
Background
The existing butterfly valve testing machine generally comprises a base, a hydraulic control mechanism, a hydraulic clamping mechanism and a sealing disc, wherein the hydraulic clamping mechanism consists of a hydraulic oil cylinder, clamping jaws, a radial clamping mechanism and an axial clamping mechanism, when the butterfly valve is tested, an inlet flange of the butterfly valve is placed on the sealing disc, when the hydraulic oil cylinder works, the clamping jaws are pulled to move radially and axially through the radial clamping mechanism and the axial clamping mechanism, a valve body of the butterfly valve is installed on the sealing disc in a clamping mode, and a pressure testing medium is driven into an inlet cavity of the butterfly valve from the middle of the sealing disc to test pressure and sealing performance. The main defects of the device are that the radial clamping mechanism and the axial clamping mechanism are arranged on the base below the sealing disc, a large installation space is needed, the product size is large, the manufacturing cost is high, the transportation is inconvenient, and particularly, the large-caliber butterfly valve testing machine is very difficult to transport.
In order to solve the technical problems, the Chinese patent application with the publication number of CN206161242U discloses a hand-push butterfly valve testing machine, which comprises a bottom plate, a hydraulic control mechanism, a clamping mechanism and a sealing disc, wherein the clamping mechanism comprises a radial clamping mechanism and an axial clamping mechanism; the radial clamping mechanism mainly adopts a hand-push type moving mechanism and consists of a plurality of moving frames and moving guide rails, wherein each moving guide rail is provided with a moving frame, the upper end of each moving frame is provided with a horizontal cross rod, and the cylinder body of a hydraulic cylinder is vertically and fixedly arranged in the middle of the cross rod; the sealing disc is fixedly arranged on the bottom plate through the supporting frame, and the lower end of the supporting rib of the supporting frame is fixedly connected on the bottom plate between two adjacent movable guide rails. The movable frames and the movable guide rails can be disassembled for independent package and transportation, the movable guide rails can be folded for package, the number of the movable frames to be put into use can be selected according to the caliber of the tested butterfly valve, and the movable frame has the advantages of small product size, low manufacturing cost, convenience in transportation and large applicable caliber range. The device is suitable for a butterfly valve sealing performance testing device; the structure detects whether the butterfly valve leaks or not in a mode of hydraulically clamping the butterfly valve, but the pressure value cannot be adjusted; therefore, how to design a pressure testing device for a butterfly valve, which can improve the accuracy of the device by precisely controlling the valve pressure value through a pressure gauge, is a technical problem that needs to be solved at present by a person skilled in the art.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the pressure testing device for the butterfly valve comprises a water pump box, a detection platform and an electric control device, wherein a support is arranged at the bottom of the water pump box, the electric control device is connected with the detection platform through three support rods, the detection platform is arranged above the support, the electric control device is arranged above the detection platform, and the water pump box is arranged below the detection platform; the water pump box further comprises a first pipeline and a second pipeline, a first water feeding valve and a first pressure relief valve are arranged on the first pipeline, a second water feeding valve and a second pressure relief valve are arranged on the second pipeline, the first pipeline and the second pipeline are arranged on the same side face of the water pump box side by side, the first water feeding valve and the first pressure relief valve are arranged on one side, far away from the water pump box, of the first pipeline side by side, and the second water feeding valve and the second pressure relief valve are arranged on one side, far away from the water pump box, of the second pipeline side by side; the detection platform comprises a support base, a first hydraulic device and a second hydraulic device, wherein the first hydraulic device and the second hydraulic device are installed above the support base, the first hydraulic device is located above the first pipeline, the second hydraulic device is located above the second pipeline, the first hydraulic device is located between two support rods, the second hydraulic device is located between two support rods, and the center lines of the first hydraulic device and the center lines of the second hydraulic device are collinear with the center lines of the three support rods; the electric control device further comprises a device shell, a first hydraulic cylinder and a second hydraulic cylinder, wherein the first hydraulic cylinder and the second hydraulic cylinder are positioned above the device shell, the first hydraulic cylinder is positioned above the first hydraulic device, the second hydraulic cylinder is positioned above the second hydraulic device, the first hydraulic cylinder is electrically connected with the first hydraulic device, and the second hydraulic cylinder is electrically connected with the second hydraulic device; the device also comprises the connecting pipe, wherein the connecting pipe is connected with the water pump box and the device shell.
Preferably, the first hydraulic device comprises a first pressing block and a first fixing block, the top of the first pressing block is connected with the bottom of the electric control device, the first fixing block is fixed on the upper surface of the supporting base, the first hydraulic cylinder is electrically connected to control the first pressing block to reciprocate up and down, and the center line of the first pressing block is collinear with the center line of the first fixing block; the second hydraulic device comprises a second pressing block and a second fixing block, the top of the second pressing block is connected with the bottom of the electric control device, the second fixing block is fixed on the upper surface of the supporting base, the second hydraulic cylinder is electrically connected to control the second pressing block to reciprocate up and down, and the center line of the second pressing block is collinear with the center line of the second fixing block.
Preferably, the electric control device further comprises a first control block and a second control block, wherein the first control block is positioned above the first hydraulic device, and the second control block is positioned above the second hydraulic device; the first control block and the second control block are electrically connected with the water pump box, the detection platform and the electric control device.
Preferably, the first control block comprises a first pressure gauge, a first qualified lamp, a first hydraulic pressure rising button, a first pressure maintaining time setting device, a first unqualified lamp and a first hydraulic pressure falling button, wherein the first qualified lamp is positioned between the first pressure gauge and the first pressure maintaining time setting device, the first unqualified lamp is installed on the other side of the first pressure maintaining time setting device, the first hydraulic pressure rising button is positioned below the first qualified lamp, and the first hydraulic pressure falling button is positioned below the first unqualified lamp.
Preferably, the second control block comprises a second pressure gauge, a second qualified lamp, a second hydraulic pressure rising button, a second dwell time setting device, a second unqualified lamp and a second hydraulic pressure lowering button, wherein the second qualified lamp is positioned between the second pressure gauge and the second dwell time setting device, the second unqualified lamp is arranged on the other two sides of the second dwell time setting device, the second hydraulic pressure rising button is positioned below the second qualified lamp, and the second hydraulic pressure lowering button is positioned below the second unqualified lamp.
Compared with the prior art, the utility model has the following beneficial effects:
1. The butterfly valve is pressed and is adopted the hydraulic clamping mode, improves clamping efficiency, save time.
2. The butterfly valve has the leakage test result, and is clear at a glance through the pilot lamp, makes things convenient for the staff to observe in time, save time cost.
3. The pressure maintaining time of the valve is controlled through the pressure maintaining time setting device, so that the accuracy of the device is ensured while the time is saved.
4. The pressure gauge is used for accurately controlling the pressure of the pressure maintaining valve, so that the pressure testing effect of the device is ensured, and the accuracy of the butterfly valve is ensured.
5. The pressurized water in the cavity is returned to the water pump box through the pressure relief valve, so that the clean and sanitary working table surface is ensured, and the service life of the device is prolonged.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a front view of an embodiment of the present utility model.
Fig. 3 is a left side view of an embodiment of the present utility model.
Fig. 4 is a front view of a device housing according to an embodiment of the present utility model.
In the drawings, 1a water pump tank, 2a detection platform, 3 an electric control device, 4 a bracket, 5 a first pipe, 6 a first water supply valve, 7 a first relief valve, 8 a second pipe, 9 a second water supply valve, 10 a second relief valve, 11a support base, 12 a first hydraulic device, 13 a second hydraulic device, 14 a support rod, 15 a device housing, 16 a first hydraulic cylinder, 17 a second hydraulic cylinder, 18 a first control block, 19 a second control block, 20 a first pressure gauge, 21 a first qualified lamp, 22 a first hydraulic drop button, 23 a first pressure gauge, 24 a first unqualified lamp, 25 a first hydraulic drop button, 26 a second pressure gauge, 27 a second qualified lamp, 28 a second hydraulic drop button, 29 a second pressure dwell time setting device, 30 a second unqualified lamp, 31 a second hydraulic drop button, 32 a first press block, 33 a second press block, 34 a first fixed block, 35 a second fixed block, 36.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a pressure testing device for butterfly valve comprises a water pump box 1, a detection platform 2 and an electric control device 3, wherein a bracket 4 is arranged at the bottom of the water pump box 1, the electric control device 3 is connected with the detection platform 2 through three support rods 14, the detection platform 2 is arranged above the bracket 4, the electric control device 3 is positioned above the detection platform 2, and the water pump box 1 is positioned below the detection platform 2; the water pump box 1 further comprises a first pipeline 5 and a second pipeline 8, the first pipeline 5 is provided with a first water feeding valve 6 and a first pressure relief valve 7, the second pipeline 8 is provided with a second water feeding valve 9 and a second pressure relief valve 10, the first pipeline 5 and the second pipeline 8 are arranged on the same side face of the water pump box 1 side by side, the first water feeding valve 6 and the first pressure relief valve 7 are arranged on one side, far away from the water pump box 1, of the first pipeline 5 side by side, and the second water feeding valve 9 and the second pressure relief valve 10 are arranged on one side, far away from the water pump box 1, of the second pipeline 8 side by side; the detection platform 2 comprises a support base 11, a first hydraulic device 12 and a second hydraulic device 13, wherein the first hydraulic device 12 and the second hydraulic device 13 are arranged above the support base 11, the first hydraulic device 12 is positioned above the first pipeline 5, the second hydraulic device 13 is positioned above the second pipeline 8, the first hydraulic device 12 is positioned between the two support rods 14, the second hydraulic device is positioned between the two support rods 14, and the center lines of the first hydraulic device 12 and the center lines of the second hydraulic device 13 are collinear with the center lines of the three support rods 14; the electric control device 3 further comprises a device shell 15, a first hydraulic cylinder 16 and a second hydraulic cylinder 17, wherein the first hydraulic cylinder 16 and the second hydraulic cylinder 17 are positioned above the device shell 15, the first hydraulic cylinder 16 is positioned above the first hydraulic device 12, the second hydraulic cylinder 17 is positioned above the second hydraulic device 13, the first hydraulic cylinder 16 is electrically connected with the first hydraulic device 12, and the second hydraulic cylinder 17 is electrically connected with the second hydraulic device 13; the device also comprises a connecting pipe 36, wherein the connecting pipe 36 connects the water pump box 1 and the device shell 15; the butterfly valve is pressed down by the hydraulic cylinder; manually opening a water feeding valve and starting a water pump; the water pressure on one side of the butterfly valve reaches the set value of the pressure gauge, and the water feeding valve is manually closed; starting timing by a time relay; during the pressure keeping timing period, if leakage exists, a pressure gauge (an electric contact pressure gauge) contacts a red light, and the red light is lighted to prompt the leakage; during the pressure keeping timing period, if no leakage exists, a green light is connected with a pressure gauge (an electric contact pressure gauge) in a contact mode, and the green light is lighted to prompt that no leakage exists; after the butterfly valve is inspected, the pressure release valve is opened manually, and water in the cavity is discharged back to the water pump box; loosening the hydraulic cylinder, and taking out the inspected valve; the butterfly valve is pressed and is adopted the hydraulic clamping mode, improves clamping efficiency, save time.
As shown in fig. 1-4, the first hydraulic device 12 comprises a first pressing block 32 and a first fixing block 34, the top of the first pressing block 32 is connected with the bottom of the electric control device 3, the first fixing block 34 is fixed on the upper surface of the supporting base 11, the first hydraulic cylinder 16 controls the first pressing block 32 to reciprocate up and down through electric connection, and the center line of the first pressing block 32 and the center line of the first fixing block 34 are collinear; the second hydraulic device 13 comprises a second pressing block 33 and a second fixing block 35, the top of the second pressing block 33 is connected with the bottom of the electric control device 3, the second fixing block 35 is fixed on the upper surface of the supporting base 11, the second hydraulic cylinder 17 is electrically connected to control the second pressing block 33 to reciprocate up and down, and the center line of the second pressing block 33 is collinear with the center line of the second fixing block 35; the pressure gauge is used for accurately controlling the pressure of the pressure maintaining valve, so that the pressure testing effect of the device is ensured, and the accuracy of the butterfly valve is ensured.
As shown in fig. 1-4, the electronic control device 3 further comprises a first control block 18 and a second control block 19, the first control block 18 being located above the first hydraulic device 12 and the second control block 19 being located above the second hydraulic device 13; the first control block 18 and the second control block 19 are electrically connected with the water pump box 1, the detection platform 2 and the electric control device 3; the pressure maintaining time of the valve is controlled through the pressure maintaining time setting device, so that the time is saved, and meanwhile, the accuracy of the device is ensured; the pressurized water in the cavity is returned to the water pump box through the pressure relief valve, so that the clean and sanitary working table surface is ensured, and the service life of the device is prolonged.
As shown in fig. 1-4, the first control block 18 comprises a first pressure gauge 20, a first qualified lamp 21, a first hydraulic pressure rising button 22, a first holding time setting device 23, a first unqualified lamp 24 and a first hydraulic pressure falling button 25, wherein the first qualified lamp 21 is positioned between the first pressure gauge 20 and the first holding time setting device 23, the first unqualified lamp 24 is arranged on the other side of the first holding time setting device 23, the first hydraulic pressure rising button 22 is positioned below the first qualified lamp 21, and the first hydraulic pressure falling button 25 is positioned below the first unqualified lamp 24; the butterfly valve has the leakage test result, and is clear at a glance through the pilot lamp, makes things convenient for the staff to observe in time, save time cost.
As shown in fig. 1-4, the second control block 19 comprises a second pressure gauge 26, a second qualified lamp 27, a second hydraulic pressure rise button 28, a second dwell time setting device 29, a second unqualified lamp 30 and a second hydraulic pressure drop button 31, wherein the second qualified lamp 27 is positioned between the second pressure gauge 26 and the second dwell time setting device 29, the second unqualified lamp 30 is arranged on the other two sides of the second dwell time setting device 29, the second hydraulic pressure rise button 28 is positioned below the second qualified lamp 27, and the second hydraulic pressure drop button 31 is positioned below the second unqualified lamp 30; two control blocks control corresponding devices, and when the butterfly valves with different sizes are required to be detected, the butterfly valves are only required to be placed into the hydraulic devices with corresponding sizes to complete detection, the dismounting devices are not required to be mounted again, the time cost is saved, and the working efficiency is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pressure testing arrangement for butterfly valve which characterized in that: the intelligent water pump comprises a water pump box (1), a detection platform (2) and an electric control device (3), wherein a support (4) is arranged at the bottom of the water pump box (1), the electric control device (3) is connected with the detection platform (2) through three support rods (14), the detection platform (2) is arranged above the support (4), the electric control device (3) is arranged above the detection platform (2), and the water pump box (1) is arranged below the detection platform (2); the water pump box (1) further comprises a first pipeline (5) and a second pipeline (8), a first water feeding valve (6) and a first pressure relief valve (7) are arranged on the first pipeline (5), a second water feeding valve (9) and a second pressure relief valve (10) are arranged on the second pipeline (8), the first pipeline (5) and the second pipeline (8) are arranged on the same side face of the water pump box (1) side by side, the first water feeding valve (6) and the first pressure relief valve (7) are arranged on one side, far away from the water pump box (1), of the first pipeline (5) side by side, and the second water feeding valve (9) and the second pressure relief valve (10) are arranged on one side, far away from the water pump box (1), of the second pipeline (8) side by side. The detection platform (2) comprises a support base (11), a first hydraulic device (12) and a second hydraulic device (13), wherein the first hydraulic device (12) and the second hydraulic device (13) are arranged above the support base (11), the first hydraulic device (12) is positioned above the first pipeline (5), the second hydraulic device (13) is positioned above the second pipeline (8), the first hydraulic device (12) is positioned between two support rods (14), the second hydraulic device (13) is positioned between two support rods (14), and the center lines of the first hydraulic device (12), the center lines of the second hydraulic device (13) and the center lines of three support rods (14) are collinear; the electric control device (3) further comprises a device shell (15), a first hydraulic cylinder (16) and a second hydraulic cylinder (17), wherein the first hydraulic cylinder (16) and the second hydraulic cylinder (17) are positioned above the device shell (15), the first hydraulic cylinder (16) is positioned above the first hydraulic device (12), the second hydraulic cylinder (17) is positioned above the second hydraulic device (13), the first hydraulic cylinder (16) is electrically connected with the first hydraulic device (12), and the second hydraulic cylinder (17) is electrically connected with the second hydraulic device (13); the device further comprises a connecting pipe (36), wherein the connecting pipe (36) is used for connecting the water pump box (1) and the device shell (15).
2. The pressure testing device for a butterfly valve according to claim 1, wherein: the first hydraulic device (12) comprises a first pressing block (32) and a first fixed block (34), the top of the first pressing block (32) is connected with the bottom of the electric control device (3), the first fixed block (34) is fixed on the upper surface of the supporting base (11), the first hydraulic cylinder (16) is electrically connected to control the first pressing block (32) to reciprocate up and down, and the center line of the first pressing block (32) and the center line of the first fixed block (34) are collinear; the second hydraulic device (13) comprises a second pressing block (33) and a second fixing block (35), the top of the second pressing block (33) is connected with the bottom of the electric control device (3), the second fixing block (35) is fixed on the upper surface of the supporting base (11), the second hydraulic cylinder (17) is electrically connected to control the second pressing block (33) to reciprocate up and down, and the center line of the second pressing block (33) is collinear with the center line of the second fixing block (35).
3. The pressure testing device for butterfly valve according to claim 2, wherein: the electric control device (3) further comprises a first control block (18) and a second control block (19), wherein the first control block (18) is positioned above the first hydraulic device (12), and the second control block (19) is positioned above the second hydraulic device (13); the first control block (18) and the second control block (19) are electrically connected with the water pump box (1), the detection platform (2) and the electric control device (3).
4. A pressure testing device for butterfly valve according to claim 3, wherein: the first control block (18) comprises a first pressure gauge (20), a first qualified lamp (21), a first hydraulic pressure rising button (22), a first pressure-maintaining time setting device (23), a first unqualified lamp (24) and a first hydraulic pressure falling button (25), wherein the first qualified lamp (21) is positioned between the first pressure gauge (20) and the first pressure-maintaining time setting device (23), the first unqualified lamp (24) is installed on the other side of the first pressure-maintaining time setting device (23), the first hydraulic pressure rising button (22) is positioned below the first qualified lamp (21), and the first hydraulic pressure falling button (25) is positioned below the first unqualified lamp (24).
5. The pressure testing device for butterfly valve according to claim 4, wherein: the second control block (19) comprises a second pressure gauge (26), a second qualified lamp (27), a second hydraulic pressure rising button (28), a second dwell time setting device (29), a second disqualified lamp (30) and a second hydraulic pressure falling button (31), wherein the second qualified lamp (27) is positioned between the second pressure gauge (26) and the second dwell time setting device (29), the second disqualified lamp (30) is installed on the other two sides of the second dwell time setting device (29), the second hydraulic pressure rising button (28) is positioned below the second qualified lamp (27), and the second hydraulic pressure falling button (31) is positioned below the second disqualified lamp (30).
CN202321869282.XU 2023-07-17 2023-07-17 Pressure testing device for butterfly valve Active CN220854058U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321869282.XU CN220854058U (en) 2023-07-17 2023-07-17 Pressure testing device for butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321869282.XU CN220854058U (en) 2023-07-17 2023-07-17 Pressure testing device for butterfly valve

Publications (1)

Publication Number Publication Date
CN220854058U true CN220854058U (en) 2024-04-26

Family

ID=90784014

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321869282.XU Active CN220854058U (en) 2023-07-17 2023-07-17 Pressure testing device for butterfly valve

Country Status (1)

Country Link
CN (1) CN220854058U (en)

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