CN217424674U - Pipe fitting gas tightness check out test set - Google Patents
Pipe fitting gas tightness check out test set Download PDFInfo
- Publication number
- CN217424674U CN217424674U CN202220886139.0U CN202220886139U CN217424674U CN 217424674 U CN217424674 U CN 217424674U CN 202220886139 U CN202220886139 U CN 202220886139U CN 217424674 U CN217424674 U CN 217424674U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- water tank
- air tightness
- tightness detection
- top surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a pipe fitting gas tightness check out test set. A pipe fitting air tightness detection device comprises a strip-shaped rack, a closed water tank, an open water tank and a strip-shaped pipe fitting air tightness detection platform, and further comprises at least 3 pairs of front and rear pipe fitting air tightness detection tools arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, at least 3 pipe fitting air tightness detection compression sealing devices respectively and sequentially arranged on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, and at least 3 pairs of pipe fitting air tightness inflation detection devices respectively and correspondingly and sequentially arranged on the at least 3 pairs of front and rear pipe fitting air tightness detection tools; and the pipe fitting air tightness water supply testing device is arranged on the top surface of the top cover of the closed water tank. The utility model discloses convenient realization detects elbow pipe fitting and tee bend pipe fitting gas tightness, improves elbow pipe fitting and tee bend pipe fitting gas tightness detection efficiency 30-50%.
Description
Technical Field
The utility model belongs to a pipe fitting test equipment especially belongs to a pipe fitting gas tightness check out test set.
Background
The pipe fitting for detecting the air tightness is characterized in that the air tightness of pipe fitting products (such as elbow pipe fittings and tee pipe fittings) with the specifications of 15-50 is detected by pressing through a vertical hydraulic press, the existing pipe fitting for detecting the air tightness by pressing through the vertical hydraulic press can be installed and clamped for 4-5 pipe fittings at most at one time, the time for pressing the pipe fitting for detecting the air tightness and loosening the pipe fitting is long, the pipe fitting air tightness detection efficiency is low, and the operation of detecting the pipe fitting by pressing through the existing vertical hydraulic press is inconvenient. How convenient realization carries out the gas tightness to elbow pipe fitting and tee bend pipe fitting and detect, and it is the technical problem that needs to solve to improve elbow pipe fitting and tee bend pipe fitting gas tightness detection work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a pipe fitting airtightness detection device. The pipe fitting air tightness detection equipment can be used for conveniently detecting the air tightness of the elbow pipe fitting and the tee pipe fitting, and the air tightness detection work efficiency of the elbow pipe fitting and the tee pipe fitting is improved.
The utility model provides a technical scheme of above-mentioned technical problem is: the utility model provides a pipe fitting gas tightness check out test set, includes bar frame, closed water tank, uncovered water tank, characterized by: the closed water tank, the open water tank is left in turn, the right is attached to the top surface of the bar-shaped frame, the closed water tank installed on the top surface of the bar-shaped frame, the open water tank is respectively provided with a front vertical plate and a back vertical plate which are integrally formed, at least 3 pairs of through holes are sequentially and correspondingly arranged on the transverse part of the lower part of the right vertical plate of the closed water tank and the transverse part of the lower part of the left vertical plate of the open water tank on the top surface of the bar-shaped frame, at least 3 pairs of short pipeline sections for connecting the right vertical plate of the closed water tank and the left vertical plate of the open water tank are respectively and fixedly and hermetically installed on the transverse part of the lower part of the right vertical plate of the closed water tank and the transverse part of the lower part of the left vertical plate of the open water tank correspondingly and at least 3 pairs of through holes which are arranged in sequence; the open water tank is provided with a strip-shaped bracket on the longitudinal central line of the top surface of a bottom plate of the water tank, a strip-shaped pipe fitting air tightness detection platform is longitudinally arranged on the top surface of the strip-shaped bracket from left to right, the open water tank also comprises at least 3 pairs of front and rear pipe fitting air tightness detection tools arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, at least 3 pairs of corresponding front and rear pipe fitting air tightness detection tools are respectively and sequentially arranged on at least 3 pipe fitting air tightness detection compression sealing devices on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, and at least 3 pairs of front and rear pipe fitting air tightness detection tools are respectively and correspondingly and sequentially arranged on at least 3 pairs of front and rear pipe fitting air tightness inflation detection devices; the device also comprises a pipe fitting air tightness water supply testing device arranged on the top surface of a top cover of the closed water tank, at least 3 pipe fitting air tightness detection pressing sealing devices which control the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, at least 3 pipe fitting air tightness inflation detection devices and a PLC control system of the pipe fitting air tightness water testing device;
the water leakage grid plate penetrates through the strip-shaped support and is installed at the middle lower part of the inner wall of the open water tank by using the installation assembly, and the water leakage grid plate installed at the middle lower part of the inner wall of the open water tank is positioned in a space between the top surface of the bottom plate of the open water tank and the lower bottom surface of the air tightness detection platform of the strip-shaped pipe fitting;
the at least 3 pairs of front and rear pipe fitting air tightness detection tools comprise at least 4 square blocks, the horizontal section of the at least 4 square blocks is square, the at least 4 square blocks with the square horizontal section are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection platform at the left and right vertex angles, the adjacent horizontal sections which are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection platform at the left and right vertex angles are respectively arranged at the front and rear sides of the square block, the two vertical surfaces which are opposite to each other on the right are vertical to each other, the two vertical surfaces which are opposite to each other on the left and the right and are vertical to each other on the front and the back sides of every two adjacent horizontal cross sections of a square block respectively form at least 3 pairs of horizontally arranged opening bins for the front and the back pipe fittings with the top surface part of the air tightness detection platform of the strip-shaped pipe fitting corresponding to the vertical surfaces, and the horizontally arranged opening bins for the front and the back pipe fittings at least 3 pairs are respectively matched with the air tightness detection pipe fitting;
through holes are respectively arranged on the vertical surfaces of at least 3 square blocks with square cross sections, namely, the Y axis of the square block with the square cross section faces the top surface direction, the X axis faces the left front side direction and the Z axis faces the left rear side direction from the second square block with the square cross section on the left side arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, and sealing rubber rings matched with the pipe fittings are respectively arranged on the vertical surfaces of the square blocks with the square cross sections, namely, the X axis faces the left front side direction and the Z axis faces the left rear side direction and provided with the through holes; sealing gaskets are respectively arranged on vertical surfaces of at least 3 square blocks with square horizontal sections, wherein the vertical surfaces of the square blocks with square horizontal sections are arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, and the vertical surfaces of the second square blocks with square horizontal sections are arranged on the right side;
the at least 3 pair of pipe fitting gas tightness inflation detection device comprises at least 2 three-way pipe fittings and 1 elbow pipe fitting, wherein the 1 elbow pipe fitting is fixedly and hermetically connected with a through hole, in the direction of the top surface, of a square block Y axis, by using a connecting piece and a first horizontal section on the top surface of a strip pipe fitting gas tightness detection table, the 2 elbow pipe fittings are sequentially and fixedly and hermetically connected with a through hole, in the direction of the top surface, of a square block Y axis, by using a connecting piece, the 2 three-way pipe fittings are respectively and fixedly and hermetically connected with a first horizontal section on the left side of the top surface of a strip pipe fitting gas tightness detection table, the 2 three-way pipe fittings are respectively and fixedly and hermetically connected with a first horizontal section on the left side of the top surface of the strip pipe fitting gas tightness detection table, the three-way pipe fitting and the elbow pipe fitting are respectively and fixedly and hermetically connected, and the three-way pipe fitting comprises a second horizontal section on the left side of the three-way pipe fitting, in the fixed and hermetically connected with a square block through hole, and fixedly and hermetically connected with a second horizontal section on the left side of the three-way pipe fitting The gas detection pipeline and the gas transmission airtight inflation detection pipeline are provided with electromagnetic valves;
the at least 3 pipe fitting air tightness detection pressing sealing device respectively and sequentially arranged on the front side vertical plate and the middle position of the rear side vertical plate of the open water tank comprises 2 pairs of hydraulic oil cylinders and 2 pipe fitting air tightness detection pressing pushing pieces, wherein the 2 pairs of hydraulic oil cylinders are correspondingly at least 3 pairs of front parts by using hydraulic oil cylinder mounting seats, and two pairs of rear pipe fitting air tightness detection tools are correspondingly arranged on the front side vertical plate and the middle position of the rear side vertical plate in sequence in pairs respectively, 1 pair of hydraulic oil cylinder levers arranged on the middle position of the front side vertical plate of the open water tank respectively penetrate through the front side vertical plate of the open water tank and are exposed in the front space in the open water tank, 1 pair of hydraulic oil cylinder levers exposed in the front space in the open water tank respectively use connecting pieces to install 1 pipe fitting air tightness detection pressing piece, and the other 1 pair of hydraulic oil cylinder levers arranged on the middle position of the rear side vertical plate of the open water tank respectively penetrate through the rear side vertical plate of the open water tank to tightly press pieces The side vertical plate is exposed in the rear space in the open water tank, and the end parts of another 1 pair of hydraulic oil cylinder levers exposed in the rear space in the open water tank are respectively provided with another 1 pipe fitting air tightness detection pressing pushing piece by using connecting pieces;
the pipe fitting air tightness water supply testing device comprises a hydraulic oil cylinder and a hydraulic pushing piece pressure head, wherein the hydraulic pushing piece pressure head is matched with the horizontal section of a cavity of a closed water tank body;
the pipe fitting for detecting the air tightness of the pipe fitting air tightness detection equipment is an elbow pipe fitting or a tee pipe fitting; the pipe fitting air tightness detection pressing pushing piece is one of an elbow pipe fitting pressing pushing piece or a three-way pipe fitting pressing pushing piece;
the elbow pipe fitting pressing pushing piece is an A-shaped pushing block;
the three-way pipe fitting pressing pushing piece is a B-bar-shaped pushing block, at least 3 sawtooth-shaped concave grooves are sequentially arranged on a vertical face of one side, facing the longitudinal central line of the open water tank, of the B-bar-shaped pushing block from left to right, left and right inclined inner vertical faces of the sawtooth-shaped concave grooves are perpendicular to each other, and sealing gaskets are mounted on the right inclined inner vertical faces of the at least 3 sawtooth-shaped concave grooves.
The PLC control system for controlling the at least 3 pipe fitting air tightness detection pressing sealing devices on the middle positions of the front side vertical plate and the rear side vertical plate of the open water tank, the at least 3 pipe fitting air tightness inflation detection devices and the pipe fitting air tightness water test device adopts the prior art.
The utility model has the advantages that: because the utility model is provided with the strip-shaped frame, the closed water tank and the open water tank, the transverse part of the lower part of the vertical plate on the right side of the closed water tank and the transverse part of the lower part of the vertical plate on the left side of the open water tank are respectively and sequentially fixedly and hermetically provided with at least 3 pairs of through holes which are arranged in front and back and are connected with the vertical plate on the right side of the closed water tank and the vertical plate on the left side of the open water tank; the open water tank is provided with a strip-shaped bracket on the longitudinal central line of the top surface of a bottom plate of the water tank, a strip-shaped pipe fitting air tightness detection platform is longitudinally arranged on the top surface of the strip-shaped bracket from left to right, the open water tank also comprises at least 3 pairs of front and rear pipe fitting air tightness detection tools arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, at least 3 pairs of front and rear pipe fitting air tightness detection tools are respectively and sequentially arranged on at least 3 pipe fitting air tightness detection compression sealing devices on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, and at least 3 pairs of front and rear pipe fitting air tightness detection tools are respectively and correspondingly and sequentially arranged on at least 3 pairs of front and rear pipe fitting air tightness inflation detection devices; still including installing the pipe fitting gas tightness water supply testing arrangement on the top surface that the water tank that closes has, control open water tank front side riser, 3 at least pipe fitting gas tightness on the rear side riser middle part position detect compress tightly sealing device, at least 3 to pipe fitting gas tightness aerify detection device and pipe fitting gas tightness water testing arrangement's PLC control system. The utility model discloses convenient realization has improved elbow pipe fitting and tee bend pipe fitting gas tightness detection achievement efficiency to elbow pipe fitting and tee bend pipe fitting gas tightness detection, improves elbow pipe fitting and tee bend pipe fitting gas tightness detection efficiency 30-50%.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 11, fig. 12 are schematic structural views of embodiment 1 of the present invention;
fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12 are schematic structural views of embodiment 2 of the present invention;
in the drawings: 1. the device comprises a strip rack, 2. a closed water tank, 3. an open water tank, 4. a strip pipe fitting air tightness detection table, 5.a water leakage grid plate, 6. a square block with a square horizontal section, 61. a through hole, 7. a sealing gasket, 8. a sealing rubber ring, 9. a tee pipe fitting, 10. an elbow pipe fitting, 11. a pipeline section, 12. a conveying air tightness inflation detection gas pipeline, 13. a hydraulic oil cylinder, 14. a hydraulic oil cylinder, 15.A strip push block, 16.B strip push block and 161. a sawtooth-shaped concave groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 11, and fig. 12, a pipe airtightness detection device includes a strip-shaped rack 1, a closed water tank 2, and an open water tank 3, and is characterized in that: the closed water tank 2 and the open water tank 3 are sequentially arranged on the top surface of the bar-shaped frame 1 in a left-right leaning manner (the observer faces the attached figure 1 of the utility model, the left side of the observer is the left side of the bar-shaped frame, the right side of the observer is the right side of the bar-shaped frame, one side close to the bar-shaped frame is the front side of the bar-shaped frame, the other side far away from the bar-shaped frame is the rear side of the bar-shaped frame), the closed water tank 2 arranged on the top surface of the bar-shaped frame 1, the front vertical plate and the rear vertical plate which are respectively arranged on the open water tank 3 are integrally formed, 3 pairs of through holes (not shown in the attached figure of the description) are sequentially arranged on the transverse part of the lower part of the right vertical plate of the closed water tank 2 and the transverse part of the lower part of the vertical plate on the left side of the open water tank 3 correspondingly in front and back, and 3 pairs of through holes are sequentially arranged on the transverse part of the lower part of the right vertical plate and the open water tank 2, 3 pairs of through holes arranged behind are respectively fixedly and hermetically provided with 3 short pipeline sections (not shown in the attached drawing of the specification) which are connected with the right vertical plate of the closed water tank and the left vertical plate of the open water tank; the water tank comprises a water tank bottom plate, a strip-shaped support (not shown in the attached drawing of the specification) is arranged on the longitudinal center line of the top surface of the water tank bottom plate of the open water tank, a strip-shaped pipe fitting air tightness detection table 4 is longitudinally installed on the left side and the right side of the top surface of the strip-shaped pipe fitting air tightness detection table 4, 3 pairs of front and rear pipe fitting air tightness detection tools are installed on the top surface of the strip-shaped pipe fitting air tightness detection table 4, 3 pairs of corresponding front and rear pipe fitting air tightness detection tools are respectively installed on 3 pipe fitting air tightness detection compression sealing devices on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank in sequence, and 3 pairs of front and rear pipe fitting air tightness detection tools are respectively installed on 3 pairs of corresponding air tightness inflation detection devices in sequence; the device also comprises a pipe fitting air tightness water supply testing device arranged on the top surface of a top cover of the closed water tank, 3 pipe fitting air tightness detection pressing sealing devices for controlling the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, 3 pipe fitting air tightness inflation detection devices and a PLC control system of the pipe fitting air tightness water testing device;
the water leakage grid plate 5 penetrates through the strip-shaped support and is installed at the middle lower part of the inner wall of the open water tank 3 by using an installation component, and the water leakage grid plate 5 installed at the middle lower part of the inner wall of the open water tank 3 is located in a space between the top surface of the bottom plate of the water tank of the open water tank 3 and the lower bottom surface of the strip-shaped pipe fitting air tightness detection table 4;
the 3 pairs of front and rear pipe fitting air tightness detection tools comprise 4 square blocks, the horizontal sections of the 4 square blocks are square, the 4 square blocks 6 with the square horizontal sections are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection table 4 at the left and right vertex angles, the adjacent horizontal sections which are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection table 4 at the left and right vertex angles are respectively arranged at the front and rear sides of the square block 6, the two vertical faces opposite to the right are vertical to each other, two vertical faces which are adjacent to each other and have the horizontal cross sections of 4 square blocks 6 are respectively opposite to each other and vertical to the left and the right on the front and the back sides of the square blocks and the top surface part of the strip-shaped pipe fitting air tightness detection table 4 corresponding to the vertical faces, so that 3 pairs of front and back pipe fitting horizontal arrangement opening bins are respectively matched with the air tightness detection pipe fittings;
through holes 61 are respectively arranged in the direction from a second square block 6 with a square horizontal cross section on the left side on the top surface of the strip-shaped pipe fitting air tightness detection platform 4 to 3 square blocks with a square horizontal cross section, the Y axis of each square block faces the top surface, the X axis of each square block faces the left front side direction, and the Z axis of each square block faces the left rear side direction, and sealing rubber rings 8 matched with the pipe fittings are respectively arranged on the vertical surfaces with the through holes 61 in the direction from the second square block 6 with a square horizontal cross section on the left side on the top surface of the strip-shaped pipe fitting air tightness detection platform 4 to at least 3 square blocks with a square horizontal cross section, the X axis of each square block faces the left front side direction, and the Z axis of each square block faces the left rear side direction; sealing gaskets 7 are respectively arranged on the vertical faces of at least 3 square blocks with square horizontal cross sections from the second block with square horizontal cross section on the right side, which is arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform 4, wherein the X axis of each square block with square horizontal cross section faces the right rear side direction, and the Z axis of each square block faces the right front side direction;
the 3 pair pipe fitting gas tightness inflation detection device comprises 2 three- way pipe fittings 9 and 1 elbow pipe fitting 10, wherein the 1 elbow pipe fitting 10 is fixedly and hermetically connected with a through hole, in the direction of the top surface of the strip pipe fitting gas tightness detection platform 4, of which the right first horizontal section is a square block Y axis, the 2 three-way pipe fittings 9 are sequentially and fixedly and hermetically connected with a through hole, in the direction of the top surface of the strip pipe fitting gas tightness detection platform 4, of which the left first horizontal section is a square block and the right first horizontal section is a square block between the square blocks, the 2 other horizontal sections are square block Y axes, the pipeline sections 11 are respectively and fixedly and hermetically connected between the adjacent three-way pipe fittings 9 and the elbow pipe fittings 10, and the conveying gas tightness inflation detection device is fixedly and hermetically connected with the left port of the three-way pipe fitting 9, in the manner, of which the left second horizontal section is a square block, in the square block, is fixedly and hermetically connected with the through hole of the left port of the three-way pipe fitting 9 A gas detection pipeline 12, wherein an electromagnetic valve (not shown in the attached drawings of the specification) is arranged on the gas transmission airtight inflation detection pipeline 12;
the 3 pipe fitting gas tightness detection pressing sealing device respectively and sequentially arranged on the front side vertical plate and the middle position of the rear side vertical plate of the open water tank comprises 2 pairs of hydraulic oil cylinders 13 and 2 pipe fitting gas tightness detection pressing pushing pieces, wherein the 2 pairs of hydraulic oil cylinders 13 are correspondingly arranged in front of the 3 front side vertical plate of the open water tank in pairs by using hydraulic oil cylinder mounting seats, and two pairs of rear pipe fitting gas tightness detection tools are correspondingly arranged on the middle position of the rear side vertical plate of the open water tank in pairs respectively and sequentially, 1 pair of hydraulic oil cylinder 13 levers arranged on the middle position of the front side vertical plate of the open water tank 3 penetrate through the front side vertical plate of the open water tank 3 and are exposed in the front space of the open water tank 3, 1 pair of hydraulic oil cylinder 13 levers exposed in the front space of the open water tank 3 are respectively arranged on the pressing pushing pieces by using connecting pieces for mounting the 1 pair of pipe fitting gas tightness detection pushing pieces by using connecting pieces, and the other 1 pair of hydraulic oil cylinder 13 levers arranged on the middle position of the rear side vertical plate of the open water tank 3 are respectively The end part of another 1 pair of hydraulic oil cylinder 13 levers exposed in the rear space in the open water tank 3 is respectively provided with another 1 pipe fitting air tightness detection pressing pushing piece by using a connecting piece;
the pipe fitting air tightness water supply testing device comprises a hydraulic cylinder 14 and a hydraulic pushing piece pressure head (not shown in the attached drawing of the specification), wherein the hydraulic pushing piece pressure head is matched with the horizontal section of a tank body cavity of the closed water tank 2, the hydraulic cylinder 14 is installed on the middle position of the top surface of a top cover of the closed water tank 2 by using a hydraulic cylinder installation seat, a lever of the hydraulic cylinder 14 penetrates through the top cover of the closed water tank 2 and extends into the tank body cavity of the closed water tank 2, and the end part of the lever of the hydraulic cylinder 14 extending into the tank body cavity of the closed water tank 2 is fixedly connected with the middle position of the top surface of the hydraulic pushing piece pressure head installed in the tank body cavity of the closed water tank 14 by using a connecting piece;
the pipe fitting for the air tightness detection of the pipe fitting air tightness detection equipment is an elbow pipe fitting, the pipe fitting air tightness detection pressing pushing piece is an elbow pipe fitting pressing pushing piece, and the elbow pipe fitting pressing pushing piece is an A-bar-shaped pushing block 15;
when the device is used, 6 elbow pipe fittings are horizontally placed and sequentially placed in 3 pairs of front and rear pipe fitting horizontal placement opening bins formed by two vertical faces, which are respectively opposite to each other and vertical to the left and right, of the front and rear sides of each of 4 square blocks 6 with square horizontal sections and are adjacent to each other, and the top surface part of a strip pipe fitting air tightness detection table 4 corresponding to the vertical faces, 2 pairs of hydraulic oil cylinders are started, 2 pairs of hydraulic oil cylinders push the lever end parts of the hydraulic oil cylinders to respectively use a connecting piece to install A strip push blocks, the rear side vertical faces of the hydraulic oil cylinders are tightly propped against the outer surfaces of the protruding parts of 6 elbow pipe fittings arranged in the front and rear pipe fitting horizontal placement opening bins, and the end port faces of the 6 elbow pipe fittings arranged in the 3 pairs of front and rear pipe fitting horizontal placement opening bins are respectively pressed with corresponding sealing gaskets and sealing rubber rings to be in a sealing state; meanwhile, opening a pipeline for conveying the gas tightness inflation detection gas, installing an electromagnetic valve, inflating 3 pairs of 6 elbow pipe fittings, wherein port surfaces arranged in the front pipe fitting horizontal arrangement opening bin and the rear pipe fitting horizontal arrangement opening bin are respectively compressed with corresponding sealing gaskets and sealing rubber rings to be in a sealing state, and closing the electromagnetic valve when the inflation pressure in the 6 elbow pipe fittings is 0.6-1.2 MPa; starting a water pressure oil cylinder, pushing a water pressure pushing piece pressure head which is arranged at the end part of a lever of the water pressure oil cylinder by using a connecting piece, pushing a water body which is poured into a closed water tank and an open water tank in advance by the water pressure pushing piece pressure head, wherein in a normal state, the water level lines in the closed water tank and the open water tank are lower than the lower bottom surface of a water leakage grid plate, the water in the open water tank enters the open water tank along 3 short pipe sections which are sequentially fixedly and hermetically arranged and are connected with a right vertical plate of the closed water tank and a left vertical plate of the open water tank, submerging 6 elbow pipe fittings which are in a pressurizing state and are horizontally arranged in an open bin for 3 pairs of front and rear pipe fittings, observing that 6 elbow pipe fittings which are submerged in the pressurizing state and are horizontally arranged in the open bin for 3 pairs of front and rear pipe fittings do not generate bubbles, and proving that 6 elbow pipe fittings are qualified in air tightness detection; if bubbles appear in 1 or a plurality of elbow pipe fittings, the airtightness detection of 1 or a plurality of elbow pipe fittings is proved to be unqualified; 2, resetting the hydraulic oil cylinder and the hydraulic oil cylinder, and putting the elbow pipe fitting qualified after the air tightness detection into a qualified elbow pipe fitting material box; and placing the elbow pipe fitting which is unqualified in the finished air tightness detection into an unqualified elbow pipe fitting material box. Repeating the above actions, and completing the air tightness detection of the other 6 elbow pipe fittings again.
Example 2
As shown in fig. 6, 7, 8, 9, 10, 11, and 12, a pipe airtightness detection device includes a strip-shaped frame 1, a closed water tank 2, and an open water tank 3, and is characterized in that: the closed water tank 2 and the open water tank 3 are sequentially arranged on the top surface of the bar-shaped frame 1 in a left-right leaning manner (the observer faces the attached figure 1 of the utility model, the left side of the observer is the left side of the bar-shaped frame, the right side of the observer is the right side of the bar-shaped frame, one side close to the bar-shaped frame is the front side of the bar-shaped frame, the other side far away from the bar-shaped frame is the rear side of the bar-shaped frame), the closed water tank 2 arranged on the top surface of the bar-shaped frame 1, the front vertical plate and the rear vertical plate which are respectively arranged on the open water tank 3 are integrally formed, 3 pairs of through holes (not shown in the attached figure of the description) are sequentially arranged on the transverse part of the lower part of the right vertical plate of the closed water tank 2 and the transverse part of the lower part of the vertical plate on the left side of the open water tank 3 correspondingly in front and back, and 3 pairs of through holes are sequentially arranged on the transverse part of the lower part of the right vertical plate and the open water tank 2, 3 pairs of through holes arranged behind are respectively fixedly and hermetically provided with 3 short pipeline sections (not shown in the attached drawing of the specification) which are connected with the right vertical plate of the closed water tank and the left vertical plate of the open water tank; the water tank comprises a water tank bottom plate, a strip-shaped support (not shown in the attached drawing of the specification) is arranged on the longitudinal center line of the top surface of the water tank bottom plate of the open water tank, a strip-shaped pipe fitting air tightness detection table 4 is longitudinally installed on the left side and the right side of the top surface of the strip-shaped pipe fitting air tightness detection table 4, 3 pairs of front and rear pipe fitting air tightness detection tools are installed on the top surface of the strip-shaped pipe fitting air tightness detection table 4, 3 pairs of corresponding front and rear pipe fitting air tightness detection tools are respectively installed on 3 pipe fitting air tightness detection compression sealing devices on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank in sequence, and 3 pairs of front and rear pipe fitting air tightness detection tools are respectively installed on 3 pairs of corresponding air tightness inflation detection devices in sequence; the device also comprises a pipe fitting air tightness water supply testing device arranged on the top surface of a top cover of the closed water tank, 3 pipe fitting air tightness detection pressing sealing devices for controlling the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, 3 pipe fitting air tightness inflation detection devices and a PLC control system of the pipe fitting air tightness water testing device;
the water leakage grid plate 5 penetrates through the strip-shaped support and is installed at the middle lower part of the inner wall of the open water tank 3 by using an installation component, and the water leakage grid plate 5 installed at the middle lower part of the inner wall of the open water tank 3 is located in a space between the top surface of the bottom plate of the water tank of the open water tank 3 and the lower bottom surface of the strip-shaped pipe fitting air tightness detection table 4;
the 3 pairs of front and rear pipe fitting air tightness detection tools comprise 4 square blocks, the horizontal sections of the 4 square blocks are square, the 4 square blocks 6 with the square horizontal sections are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection table 4 at the left and right vertex angles, the adjacent horizontal sections which are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection table 4 at the left and right vertex angles are respectively arranged at the front and rear sides of the square block 6, the two vertical faces opposite to the right are vertical to each other, two vertical faces which are adjacent to each other and have the horizontal cross sections of 4 square blocks 6 are respectively opposite to each other and vertical to the left and the right on the front and the back sides of the square blocks and the top surface part of the strip-shaped pipe fitting air tightness detection table 4 corresponding to the vertical faces, so that 3 pairs of front and back pipe fitting horizontal arrangement opening bins are respectively matched with the air tightness detection pipe fittings;
through holes 61 are respectively arranged in the direction from a second square block 6 with a square horizontal cross section on the left side on the top surface of the strip-shaped pipe fitting air tightness detection platform 4 to 3 square blocks with a square horizontal cross section, the Y axis of each square block faces the top surface, the X axis of each square block faces the left front side direction, and the Z axis of each square block faces the left rear side direction, and sealing rubber rings 8 matched with the pipe fittings are respectively arranged on the vertical surfaces with the through holes 61 in the direction from the second square block 6 with a square horizontal cross section on the left side on the top surface of the strip-shaped pipe fitting air tightness detection platform 4 to at least 3 square blocks with a square horizontal cross section, the X axis of each square block faces the left front side direction, and the Z axis of each square block faces the left rear side direction; sealing gaskets 7 are respectively arranged on the vertical surfaces of at least 3 square blocks with square horizontal sections, wherein the X axis of each square block with square horizontal sections faces to the right rear side direction, and the Z axis of each square block with square horizontal sections faces to the right front side direction, from a second square block 6 with square horizontal sections on the right side arranged on the top surface of the strip-shaped pipe fitting air tightness detection table 4;
the 3 pair pipe fitting gas tightness inflation detection device comprises 2 three- way pipe fittings 9 and 1 elbow pipe fitting 10, wherein the 1 elbow pipe fitting 10 is fixedly and hermetically connected with a through hole, in the direction of the top surface of the strip pipe fitting gas tightness detection platform 4, of which the right first horizontal section is a square block Y axis, the 2 three-way pipe fittings 9 are sequentially and fixedly and hermetically connected with a through hole, in the direction of the top surface of the strip pipe fitting gas tightness detection platform 4, of which the left first horizontal section is a square block and the right first horizontal section is a square block between the square blocks, the 2 other horizontal sections are square block Y axes, the pipeline sections 11 are respectively and fixedly and hermetically connected between the adjacent three-way pipe fittings 9 and the elbow pipe fittings 10, and the conveying gas tightness inflation detection device is fixedly and hermetically connected with the left port of the three-way pipe fitting 9, in the manner, of which the left second horizontal section is a square block, in the square block, is fixedly and hermetically connected with the through hole of the left port of the three-way pipe fitting 9 A gas detection pipeline 12, wherein an electromagnetic valve (not shown in the attached drawings of the specification) is arranged on the gas transmission airtight inflation detection pipeline 12;
the 3 pipe fitting air tightness detection pressing sealing devices respectively and sequentially installed on the front side vertical plate of the open water tank and the middle position of the rear side vertical plate comprise 2 pairs of hydraulic oil cylinders 13 and 2 pipe fitting air tightness detection pressing pushing parts, 2 pairs of hydraulic oil cylinders 13 correspond to 3 pairs of front side vertical plates by using hydraulic oil cylinder installation seats, two pairs of rear pipe fitting air tightness detection tools correspond to each other and are respectively and sequentially installed on the front side vertical surface of the front side vertical plate of the open water tank 3 and the middle position of the rear side vertical surface of the rear side vertical plate, 1 pair of hydraulic oil cylinder 13 levers installed on the middle position of the front side vertical plate of the open water tank 3 respectively penetrate through the front side vertical plate of the open water tank 3 and are exposed in the front space in the open water tank 3, 1 pair of pipe fitting air tightness detection pressing pushing parts are installed on the end parts of 1 pair of hydraulic oil cylinder 13 levers exposed in the front space in the open water tank 3 by using connecting parts respectively, and the other 1 pair of hydraulic oil cylinder 13 levers installed on the middle position of the rear side vertical plate of the open water tank 3 respectively The end part of another 1 pair of hydraulic oil cylinder 13 levers exposed in the rear space in the open water tank 3 is respectively provided with another 1 pipe fitting air tightness detection pressing pushing piece by using a connecting piece;
the pipe fitting air tightness water supply testing device comprises a hydraulic cylinder 14 and a hydraulic pushing piece pressure head (not shown in the attached drawing of the specification), wherein the hydraulic pushing piece pressure head is matched with the horizontal section of a tank body cavity of the closed water tank 2, the hydraulic cylinder 14 is installed on the middle position of the top surface of a top cover of the closed water tank 2 by using a hydraulic cylinder installation seat, a lever of the hydraulic cylinder 14 penetrates through the top cover of the closed water tank 2 and extends into the tank body cavity of the closed water tank 2, and the end part of the lever of the hydraulic cylinder 14 extending into the tank body cavity of the closed water tank 2 is fixedly connected with the middle position of the top surface of the hydraulic pushing piece pressure head installed in the tank body cavity of the closed water tank 14 by using a connecting piece;
the pipe fitting for the gas tightness detection of the pipe fitting gas tightness detection equipment is a three-way pipe fitting, the pipe fitting gas tightness detection pressing pushing piece is a three-way pipe fitting pressing pushing piece, the three-way pipe fitting pressing pushing piece is a B strip- shaped pushing block 16, 3 sawtooth-shaped concave grooves 161 are sequentially arranged on the vertical face of one side, facing to the longitudinal central line of the open water tank 3, of the B strip-shaped pushing block 16 from left to right, the left inclined inner vertical face and the right inclined inner vertical face of each sawtooth-shaped concave groove 161 are perpendicular to each other, and a sealing gasket 7 is arranged on the right inclined inner vertical face of each sawtooth-shaped concave groove 161; when in use, 6 tee pipe fittings are horizontally and sequentially placed in 3 pairs of front and rear pipe fitting horizontal placing opening bins which are formed by two vertical faces respectively vertical to the left and right opposite mutually vertical on the front and rear sides of 4 square blocks 6 with square cross sections and the top surface part of a strip pipe fitting air tightness detection platform 4 corresponding to the two square blocks, 2 pairs of hydraulic oil cylinders are started, 2 pairs of hydraulic oil cylinders push the lever end parts of the hydraulic oil cylinders to respectively use a B strip-shaped push block 16 arranged by a connecting piece, 3 sawtooth-shaped concave grooves of the B strip-shaped push block 16 are respectively provided with a right inclined inner vertical face of a sealing gasket to be attached to the second end surface of the 6 tee pipe fittings which is supported against, the left inclined inner vertical face of the 3 sawtooth-shaped concave grooves of the B strip-shaped push block is attached to be tightly supported against the outer surface of the part of the 6 tee pipe fittings which is arranged in the front and rear pipe fitting horizontal placing opening bins and is far away from the third end surface, three end face ports of 6 tee pipe fittings arranged in 3 pairs of front and rear pipe fittings horizontally arranged opening bins are respectively compressed with corresponding sealing gaskets and sealing rubber rings to be in a sealing state; simultaneously, opening a pipeline for conveying the gas tightness inflation detection gas, installing an electromagnetic valve, inflating 3 three-way pipe fittings which are arranged in a horizontally arranged opening bin of the front pipe fitting and the rear pipe fitting and are respectively compressed with a corresponding sealing gasket and a corresponding sealing rubber ring to form a sealing state, and closing the electromagnetic valve when the inflation pressure in the 6 three-way pipe fittings is 0.6-1.2 MPa; starting a water pressure oil cylinder, pushing a water pressure pushing piece pressure head which is arranged at the end part of a lever of the water pressure oil cylinder by using a connecting piece, pushing a water body which is filled into a closed water tank and an open water tank in advance by the water pressure pushing piece pressure head, wherein in a normal state, the water level lines in the closed water tank and the open water tank are lower than the lower bottom surface of a water leakage grid plate, the water in the open water tank enters the open water tank along 3 short pipeline sections which are sequentially fixedly and hermetically arranged and are connected with a right vertical plate of the closed water tank and a left vertical plate of the open water tank, submerging 6 tee pipe fittings which are horizontally arranged in an open bin and are in a pressurizing state in 3 pairs of front and rear pipe fittings, observing that 6 tee pipe fittings which are submerged in the pressurizing state in the horizontally arranged open bin of the 3 pairs of front and rear pipe fittings do not generate bubbles, and proving that the air tightness detection of the 6 tee pipe fittings is qualified; if bubbles appear in 1 or more tee pipes, the airtightness detection of 1 or more tee pipes is proved to be unqualified; 2, resetting the hydraulic oil cylinder and the hydraulic oil cylinder, and putting the tee pipe fitting qualified after the air tightness detection into a qualified tee pipe fitting material box; and placing the tee pipe fitting which is unqualified in the finished air tightness detection into an unqualified tee pipe fitting material box. Repeating the above actions, and completing the air tightness detection of the other 6 tee pipes again.
From the above description, those skilled in the art can make various changes and modifications without departing from the technical spirit of the present invention, and the present invention is within the protection scope of the present invention. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (5)
1. The utility model provides a pipe fitting gas tightness check out test set, includes bar frame, closed water tank, uncovered water tank, characterized by: the closed water tank, the open water tank is sequentially arranged on the top surface of the bar-shaped frame in a left-right attaching manner, the closed water tank arranged on the top surface of the bar-shaped frame, a front vertical plate and a rear vertical plate which are respectively arranged on the open water tank are integrally formed, at least 3 pairs of through holes are sequentially and correspondingly arranged on the transverse part of the lower part of the right vertical plate of the closed water tank and the transverse part of the lower part of the left vertical plate of the open water tank on the top surface of the bar-shaped frame in front of and behind, and at least 3 short pipeline sections for connecting the vertical plate on the right side of the closed water tank and the vertical plate on the left side of the open water tank are respectively and fixedly and hermetically arranged on the at least 3 pairs of through holes which are correspondingly arranged in front of and behind; the open water tank is provided with a strip-shaped support on the longitudinal central line of the top surface of a bottom plate of the water tank, a strip-shaped pipe fitting air tightness detection platform is longitudinally installed on the top surface of the strip-shaped support on the left side and the right side, the open water tank also comprises at least 3 pairs of front pipe fitting air tightness detection tools and rear pipe fitting air tightness detection tools which are installed on the top surface of the strip-shaped pipe fitting air tightness detection platform, at least 3 pairs of corresponding front pipe fitting air tightness detection tools and rear pipe fitting air tightness detection tools are respectively and sequentially installed on the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, and at least 3 pairs of front pipe fitting air tightness detection tools and rear pipe fitting air tightness detection devices are respectively and correspondingly and sequentially installed on the at least 3 pairs of front pipe fitting air tightness detection tools and the rear pipe fitting air tightness detection tools; the device also comprises a pipe fitting air tightness water supply testing device arranged on the top surface of a top cover of the closed water tank, at least 3 pipe fitting air tightness detection pressing sealing devices for controlling the middle positions of a front side vertical plate and a rear side vertical plate of the open water tank, at least 3 pipe fitting air tightness inflation detection devices and a PLC control system of the pipe fitting air tightness water testing device;
the at least 3 pairs of front and rear pipe fitting air tightness detection tools comprise at least 4 square blocks, the horizontal section of the at least 4 square blocks is square, the at least 4 square blocks with the square horizontal section are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection platform at the left and right vertex angles, the adjacent horizontal sections which are sequentially and oppositely arranged on the longitudinal central line of the top surface of the strip pipe fitting air tightness detection platform at the left and right vertex angles are respectively arranged at the front and rear sides of the square block, the two vertical surfaces which are opposite to each other on the right are vertical to each other, the two vertical surfaces which are adjacent to each other in pairs and have square cross sections and are opposite to each other on the left and right on the front and back sides respectively form at least 3 pairs of horizontally arranged opening bins for the front and back pipe fittings with the top surface part of the air tightness detection platform of the strip-shaped pipe fitting corresponding to the vertical surfaces, and the at least 3 pairs of horizontally arranged opening bins for the front and back pipe fittings are respectively matched with the air tightness detection pipe fitting;
through holes are respectively arranged on the vertical surfaces of at least 3 square blocks with square cross sections, namely, the Y axis of the square block with the square cross section faces the top surface direction, the X axis faces the left front side direction and the Z axis faces the left rear side direction from the second square block with the square cross section on the left side arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, and sealing rubber rings matched with the pipe fittings are respectively arranged on the vertical surfaces of the square blocks with the square cross sections, namely, the X axis faces the left front side direction and the Z axis faces the left rear side direction and provided with the through holes; sealing gaskets are respectively arranged on vertical surfaces of at least 3 square blocks with square horizontal sections, wherein the vertical surfaces of the square blocks with square horizontal sections are arranged on the top surface of the strip-shaped pipe fitting air tightness detection platform, and the vertical surfaces of the second square blocks with square horizontal sections are arranged on the right side;
the at least 3 pair of pipe fitting gas tightness inflation detection device comprises at least 2 three-way pipe fittings and 1 elbow pipe fitting, wherein the 1 elbow pipe fitting is fixedly and hermetically connected with a through hole, in the direction of the top surface, of a square block Y axis, by using a connecting piece and a first horizontal section on the top surface of a strip pipe fitting gas tightness detection table, the 2 elbow pipe fittings are sequentially and fixedly and hermetically connected with a through hole, in the direction of the top surface, of a square block Y axis, by using a connecting piece, the 2 three-way pipe fittings are respectively and fixedly and hermetically connected with a first horizontal section on the left side of the top surface of a strip pipe fitting gas tightness detection table, the 2 three-way pipe fittings are respectively and fixedly and hermetically connected with a first horizontal section on the left side of the top surface of the strip pipe fitting gas tightness detection table, the three-way pipe fitting and the elbow pipe fitting are respectively and fixedly and hermetically connected, and the three-way pipe fitting comprises a second horizontal section on the left side of the three-way pipe fitting, in the fixed and hermetically connected with a square block through hole, and fixedly and hermetically connected with a second horizontal section on the left side of the three-way pipe fitting The gas detection pipeline and the gas transmission airtight inflation detection pipeline are provided with electromagnetic valves;
the at least 3 pipe fitting air tightness detection pressing sealing device respectively and sequentially arranged on the front side vertical plate and the middle position of the rear side vertical plate of the open water tank comprises 2 pairs of hydraulic oil cylinders and 2 pipe fitting air tightness detection pressing pushing pieces, wherein the 2 pairs of hydraulic oil cylinders are correspondingly at least 3 pairs of front parts by using hydraulic oil cylinder mounting seats, and two pairs of rear pipe fitting air tightness detection tools are correspondingly arranged on the front side vertical plate and the middle position of the rear side vertical plate in sequence in pairs respectively, 1 pair of hydraulic oil cylinder levers arranged on the middle position of the front side vertical plate of the open water tank respectively penetrate through the front side vertical plate of the open water tank and are exposed in the front space in the open water tank, 1 pair of hydraulic oil cylinder levers exposed in the front space in the open water tank respectively use connecting pieces to install 1 pipe fitting air tightness detection pressing piece, and the other 1 pair of hydraulic oil cylinder levers arranged on the middle position of the rear side vertical plate of the open water tank respectively penetrate through the rear side vertical plate of the open water tank to tightly press pieces The side vertical plate is exposed in the rear space in the open water tank, and the end parts of another 1 pair of hydraulic oil cylinder levers exposed in the rear space in the open water tank are respectively provided with another 1 pipe fitting air tightness detection pressing pushing piece by using connecting pieces;
the pipe fitting air tightness water supply testing device comprises a hydraulic oil cylinder and a hydraulic pushing piece pressure head, wherein the hydraulic pushing piece pressure head is matched with the horizontal section of a cavity of a closed water tank body, the hydraulic oil cylinder is installed at the middle position of the top surface of a top cover of the closed water tank body through a hydraulic oil cylinder installation seat, a hydraulic oil cylinder lever penetrates through the top cover of the closed water tank body and extends into the cavity of the closed water tank body, and the end part of the hydraulic oil cylinder lever extending into the cavity of the closed water tank body is fixedly connected with the middle position of the top surface of the hydraulic pushing piece pressure head installed in the cavity of the closed water tank body through a connecting piece.
2. The pipe fitting airtightness detection apparatus according to claim 1, wherein: the water leakage grid plate penetrates through the strip-shaped support and is installed at the middle lower part of the inner wall of the open water tank by using the installation assembly, and the water leakage grid plate installed at the middle lower part of the inner wall of the open water tank is located in a space between the top surface of the bottom plate of the open water tank and the lower bottom surface of the air tightness detection platform of the strip-shaped pipe fitting.
3. The pipe fitting airtightness detection apparatus according to claim 1 or 2, wherein: the pipe fitting for detecting the air tightness of the pipe fitting air tightness detection equipment is an elbow pipe fitting or a tee pipe fitting; the pipe fitting air tightness detection pressing pushing piece is an elbow pipe fitting pressing pushing piece or a three-way pipe fitting pressing pushing piece.
4. The pipe fitting airtightness detection apparatus according to claim 3, wherein: the elbow pipe fitting pressing pushing piece is an A-bar-shaped pushing block.
5. The pipe fitting airtightness detection apparatus according to claim 3, wherein: the three-way pipe fitting pressing pushing piece is a B-bar-shaped pushing block, at least 3 sawtooth-shaped concave grooves are sequentially arranged on a vertical face of one side, facing the longitudinal central line of the open water tank, of the B-bar-shaped pushing block from left to right, left and right inclined inner vertical faces of the sawtooth-shaped concave grooves are perpendicular to each other, and sealing gaskets are mounted on the right inclined inner vertical faces of the at least 3 sawtooth-shaped concave grooves.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220886139.0U CN217424674U (en) | 2022-04-15 | 2022-04-15 | Pipe fitting gas tightness check out test set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220886139.0U CN217424674U (en) | 2022-04-15 | 2022-04-15 | Pipe fitting gas tightness check out test set |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217424674U true CN217424674U (en) | 2022-09-13 |
Family
ID=83182305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220886139.0U Active CN217424674U (en) | 2022-04-15 | 2022-04-15 | Pipe fitting gas tightness check out test set |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217424674U (en) |
-
2022
- 2022-04-15 CN CN202220886139.0U patent/CN217424674U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108458844A (en) | A kind of intelligence bellows air-tightness batch detecting device and detection method | |
CN217424674U (en) | Pipe fitting gas tightness check out test set | |
CN208366542U (en) | A kind of water meter case hermetic seal testing stand | |
CN217786526U (en) | Water pump pressure tank gasbag life-span testing arrangement | |
CN209820701U (en) | Valve leakproofness is test fixture in batches | |
CN110608856A (en) | Leakproofness detection tool is used in metal accessory production | |
CN104833499A (en) | Pressure test moulds, pressure test apparatus and pressure test method | |
CN216207319U (en) | Pipe fitting gas tightness check out test set | |
CN210922983U (en) | Air tightness detection device for iron can production convenient to use | |
CN209894418U (en) | Water pressure difference test bed for automobile manufacturing | |
CN210571243U (en) | Air cylinder air tightness test device | |
CN208688955U (en) | The waterproof device for detecting performance of building surface | |
CN204556246U (en) | Pressure testing mold and pressure testing device | |
CN214149711U (en) | Jar body gas tightness detection device | |
CN220649892U (en) | Hydraulic pump air tightness detection device | |
CN215524974U (en) | Valve gas tightness detection device | |
CN216345470U (en) | Natural gas line leakage detection device | |
CN217084100U (en) | Intelligent water distributor detection equipment | |
CN216791559U (en) | Valve leak detection testing device | |
CN219890667U (en) | Ball valve tightness detection device | |
CN218267807U (en) | Experimental frock of oil gas detection device | |
CN219328573U (en) | Dry test equipment for tightness of oil cooler | |
CN220270725U (en) | Air tightness detection device | |
CN218646507U (en) | Portable pressure gauge testing device | |
CN220751484U (en) | Rear cover air tightness leakage detection device of automobile air conditioner compressor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |