CN212180204U - Fire-fighting pipeline air tightness detection device - Google Patents

Fire-fighting pipeline air tightness detection device Download PDF

Info

Publication number
CN212180204U
CN212180204U CN202021017863.7U CN202021017863U CN212180204U CN 212180204 U CN212180204 U CN 212180204U CN 202021017863 U CN202021017863 U CN 202021017863U CN 212180204 U CN212180204 U CN 212180204U
Authority
CN
China
Prior art keywords
fire
pipeline
fighting pipeline
fire fighting
box
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
Application number
CN202021017863.7U
Other languages
Chinese (zh)
Inventor
陈立强
曹洪霄
石忠玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Hengde Fire Fighting Detection Co ltd
Original Assignee
Shandong Hengde Fire Fighting Detection Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Hengde Fire Fighting Detection Co ltd filed Critical Shandong Hengde Fire Fighting Detection Co ltd
Priority to CN202021017863.7U priority Critical patent/CN212180204U/en
Application granted granted Critical
Publication of CN212180204U publication Critical patent/CN212180204U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pipe Accessories (AREA)

Abstract

The utility model provides a fire pipeline gas tightness check out test set, including frame, rubber cushion, install bin, pump, intake pipe, control switch, the hose of aerifing connects the tube head, aerifys the cap, waits to detect fire pipeline, base, slipmat, adjustable fire pipeline mount structure, but quick detach leakproofness detects the baffle-box structure and can high regulation bracing piece structure, the upper right side screw connection of frame have rubber cushion. The utility model discloses the setting of rotatory handle, fastening screw, lock nut, the type of returning support frame, cylindrical roller bearing and pinch-off blades is favorable to fixing the fire-fighting pipeline that waits to detect of different models, diameter, is convenient for carry out the gas tightness and detects, avoids waiting to detect the fire-fighting pipeline and rolls and influence the testing result; buffering gas tank, quick detach handle, discharge valve, sealing washer, barometer and fixation nut's setting is favorable to playing the quick detach effect, can detect the gas tightness to can carry out fixed mounting, the operation of being convenient for.

Description

Fire-fighting pipeline air tightness detection device
Technical Field
The utility model belongs to the technical field of fire-fighting equipment, especially, relate to fire pipeline gas tightness check out test set.
Background
The fire-fighting pipeline refers to a pipeline material which is used for fire fighting, connecting fire-fighting equipment and equipment, and conveying water, gas or other media for fire fighting.
At present fire control pipeline needs regularly to carry out the gas tightness and detects to need occasionally, and the gas tightness detects the mode now and has some to place in aqueous after sealed, and the observation has or not the bubble to appear, needs artifical naked eye to observe, and the error appears easily, and another kind of detection mode is through filling gas, carries out pressure measurement.
But present detection device still has the fire control pipeline that can't fix different diameters and influences the detection convenience, the installation of being inconvenient for detects and the problem of unable altitude mixture control.
Therefore, the invention of the fire fighting pipeline air tightness detection device is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a fire pipeline gas tightness check out test set to solve current detection device and have the fire pipeline influence of unable fixed different diameters and detect the convenience, be not convenient for install the problem of detecting and unable altitude mixture control. The fire pipeline air tightness detection device comprises a rack, a rubber cushion block, an installation box, an inflator pump, an air inlet pipe, a control switch, an inflation hose, a connecting pipe head, an inflation cap, a fire pipeline to be detected, a base, an anti-skid pad, an adjustable fire pipeline fixing frame structure, a quick-detachable tightness detection buffer box structure and a height-adjustable support rod structure, wherein the rubber cushion block is connected to the upper right side of the rack through a screw; the middle position of the lower part of the rack is connected with an installation box through a screw; the inner screw of the mounting box is connected with an inflator pump; an air inlet pipe is connected to the left end inlet of the inflator pump in a threaded manner; a control switch is connected with the middle position of the lower part of the mounting box through a screw; one end of the inflation hose is in threaded connection with the right inlet of the inflation cap through a connector head, and the other end of the inflation hose penetrates through the middle position of the right wall of the installation box and is in threaded connection with the outlet of the inflation pump; the inflation cap is in threaded connection with the right end of the fire fighting pipeline to be detected; the lower surface of the base is glued with an anti-skid pad; the adjustable fire fighting pipeline fixing frame structure and the quick-detachable sealing detection buffer box structure are both connected with a fire fighting pipeline to be detected; the height-adjustable supporting rod structure is connected between the rack and the base; the adjustable fire fighting pipeline fixing frame structure comprises a rotating handle, a fastening screw rod, a locking nut, a clip-shaped support frame, a cylindrical roller bearing and a clamping plate, wherein the rotating handle is transversely bolted at the upper end of the fastening screw rod; the fastening screw rod is longitudinally in threaded connection with the inside of the locking nut; the locking nut is embedded in the middle of the upper part of the inner side of the clip-shaped support frame; the lower end of the fastening screw is connected with the middle position inside the clamping plate through a cylindrical roller bearing.
Preferably, the quick-release sealing performance detection buffer box structure comprises a buffer air box, a quick-release handle, an exhaust valve, a sealing ring, a barometer and a fixing nut, wherein the quick-release handle is longitudinally connected with the upper part and the lower part of the left side of the buffer air box in a threaded manner; an exhaust valve is connected with the left outlet of the buffer air box in a threaded manner; a sealing ring is glued in a right side connecting port of the buffer air box; the barometer is arranged at an outlet at the middle position of the upper part of the buffer air box through a fixing nut.
Preferably, the height-adjustable supporting rod structure comprises an internal threaded pipe, a connecting seat, an adjusting screw rod, a deep groove ball bearing, an adjusting handle and a fixing bolt, wherein one longitudinal end of the internal threaded pipe is welded at the middle position of the lower part of the connecting seat, and the other longitudinal end of the internal threaded pipe is in threaded connection with the outer wall of the upper part of the adjusting screw rod; the longitudinal lower end of the adjusting screw is arranged on the inner ring of the deep groove ball bearing in an interference fit manner; the fixing bolts are longitudinally and spirally connected at four corners inside the connecting seat.
Preferably, the longitudinal lower end of the clip-shaped support frame is connected to the left upper side of the frame through a bolt.
Preferably, the clamping plate is a rubber plate.
Preferably, one end of the fire fighting pipeline to be detected is located at the upper part of the rubber cushion block, and the other end of the fire fighting pipeline to be detected is located inside the clip-shaped support frame.
Preferably, the buffer air box adopts a seamless welded stainless steel box and is in threaded connection with the left end of the fire fighting pipeline to be detected through a sealing ring.
Preferably, the sealing ring is a rubber ring.
Preferably, the connecting seats are respectively installed at four corners of the bottom of the rack through fixing bolts.
Preferably, the deep groove ball bearings are all embedded in four corners inside the base.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, rotatory handle, fastening screw, lock nut, return type support frame, the setting of cylindrical roller bearing and pinch-off blades is favorable to fixed different models, diameter to wait to detect the fire-fighting pipeline, is convenient for carry out the gas tightness and detects, avoids waiting to detect the fire-fighting pipeline and rolls and influence the testing result.
2. The utility model discloses in, buffering gas tank, quick detach handle, discharge valve, the sealing washer, barometer and fixation nut's setting is favorable to playing the quick detach effect, can detect the gas tightness to can carry out fixed mounting, the operation of being convenient for.
3. The utility model discloses in, the internal thread pipe, the connecting seat, adjusting screw, deep groove ball bearing, regulation handle and fixing bolt's setting is favorable to carrying out the altitude mixture control according to the operation demand, is convenient for detect work.
4. The utility model discloses in, frame and rubber pad's setting, be favorable to treating to detect the fire control pipeline and play good support stability.
5. The utility model discloses in, the setting of install bin, be favorable to playing good guard action to the pump, guarantee the life of pump.
6. The utility model discloses in, pump, intake pipe, the hose of aerifing, the setting of connecting tube head and cap of aerifing is favorable to in time aerifing the detection, the operation of being convenient for.
7. The utility model discloses in, control switch's setting, be favorable to the control action of aerifing, be convenient for carry out the gas tightness and detect.
8. The utility model discloses in, the setting of base and slipmat, be favorable to playing good support antiskid effect, guarantee support stability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the adjustable fire fighting pipeline fixing frame structure of the utility model.
Fig. 3 is a schematic structural view of the quick-detachable sealing detection buffer box structure of the present invention.
Fig. 4 is a schematic structural view of the height adjustable support rod structure of the present invention.
In the figure:
1. a frame; 2. a rubber cushion block; 3. installing a box; 4. an inflator pump; 5. an air inlet pipe; 6. a control switch; 7. an inflation hose; 8. connecting the pipe heads; 9. an inflation cap; 10. a fire fighting pipeline to be detected; 11. a base; 12. a non-slip mat; 13. an adjustable fire pipeline fixing frame structure; 131. a rotation handle; 132. fastening a screw rod; 133. locking the nut; 134. a clip-shaped support frame; 135. a cylindrical roller bearing; 136. a clamping plate; 14. the sealing performance of the quick-detachable detection buffer box structure; 141. a buffer gas tank; 142. a quick release handle; 143. an exhaust valve; 144. a seal ring; 145. a barometer; 146. fixing a nut; 15. a supporting rod structure capable of adjusting height; 151. an internally threaded tube; 152. a connecting seat; 153. adjusting the screw rod; 154. a deep groove ball bearing; 155. an adjusting handle; 156. and (5) fixing the bolt.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the air tightness detection device for the fire fighting pipeline comprises a frame 1, a rubber cushion block 2, an installation box 3, an inflator pump 4, an air inlet pipe 5, a control switch 6, an inflation hose 7, a connector 8, an inflation cap 9, a fire fighting pipeline 10 to be detected, a base 11, an anti-skid pad 12, an adjustable fire fighting pipeline fixing frame structure 13, a quick-detachable tightness detection buffer box structure 14 and a height-adjustable support rod structure 15, wherein the upper right side of the frame 1 is in screw connection with the rubber cushion block 2; the middle position of the lower part of the frame 1 is connected with a mounting box 3 through a screw; the inner screw of the mounting box 3 is connected with an inflator pump 4; an air inlet pipe 5 is connected to the left end inlet of the inflator pump 4 through threads; a control switch 6 is connected with the middle position of the lower part of the mounting box 3 through a screw; one end of the inflating hose 7 is in threaded connection with the inlet of the right side of the inflating cap 9 through a connector head 8, and the other end of the inflating hose penetrates through the middle position of the right wall of the mounting box 3 and is in threaded connection with the outlet of the inflating pump 4; the inflation cap 9 is in threaded connection with the right end of the fire fighting pipeline 10 to be detected; the lower surface of the base 11 is glued with an anti-skid pad 12; the adjustable fire fighting pipeline fixing frame structure 13 and the quick-release sealing detection buffer box structure 14 are both connected with the fire fighting pipeline 10 to be detected; the height-adjustable supporting rod structure 15 is connected between the frame 1 and the base 11; the adjustable fire fighting pipeline fixing frame structure 13 comprises a rotating handle 131, a fastening screw 132, a locking nut 133, a clip-shaped supporting frame 134, a cylindrical roller bearing 135 and a clamping plate 136, wherein the rotating handle 131 is transversely bolted at the upper end of the fastening screw 132; the fastening screw 132 is longitudinally and threadedly connected inside the locking nut 133; the locking nut 133 is embedded in the middle position of the upper part of the inner side of the clip-shaped support frame 134; the inside intermediate position that fastening screw 132 lower extreme passed through cylindrical roller bearing 135 and clamp plate 136 be connected the setting, wait to detect fire-fighting pipeline 10 according to different diameters, handheld rotation handle 131 rotation regulation fastening screw 132 is in the inside position of lock nut 133, make cylindrical roller bearing 135 and clamp plate 136 move in type support frame 134 is inside, can be with waiting to detect fire-fighting pipeline 10 and arrange back type support frame 134 inside in, it moves down to drive cylindrical roller bearing 135 and clamp plate 136 rotation with fastening screw 132 again, it waits to detect fire-fighting pipeline 10 to compress tightly, guarantee its stability, be convenient for detect, can play supporting role through rubber cushion 2.
In this embodiment, referring to fig. 3, the quick-release sealing detection buffer box structure 14 includes a buffer air box 141, a quick-release handle 142, an exhaust valve 143, a sealing ring 144, a barometer 145 and a fixing nut 146, wherein the quick-release handle 142 is longitudinally screwed to both the upper part and the lower part of the left side of the buffer air box 141; an exhaust valve 143 is connected to the left outlet of the buffer air box 141 through a thread; a sealing ring 144 is glued in a right connecting port of the buffer air box 141; the barometer 145 is installed at an outlet in the middle of the upper portion of the buffer air box 141 through the fixing nut 146, the buffer air box 141 is installed at one end of the fire fighting pipeline 10 to be detected through the sealing ring 144 by the aid of the handheld quick-release handle 142, the control switch 6 can be started to enable the inflator pump 4 to act, gas is inflated into the fire fighting pipeline 10 to be detected through the inflation hose 7 through the connector head 8 and the inflation cap 9, then air pressure detection is carried out through the barometer 145, and if no change exists, the air tightness of the fire fighting pipeline 10 to be detected is proved to be good.
In this embodiment, referring to fig. 4, the height-adjustable support rod structure 15 includes an internal threaded tube 151, a connecting seat 152, an adjusting screw 153, a deep groove ball bearing 154, an adjusting handle 155 and a fixing bolt 156, wherein one longitudinal end of the internal threaded tube 151 is welded to the middle position of the lower portion of the connecting seat 152, and the other longitudinal end is screwed to the upper outer wall of the adjusting screw 153; the longitudinal lower end of the adjusting screw 153 is arranged at the inner ring of the deep groove ball bearing 154 in an interference fit manner; the equal vertical threaded connection of fixing bolt 156 in inside four corners position of connecting seat 152, according to the detection demand, can carry out the altitude mixture control work, through the position of handheld regulation handle 155 rotation regulation adjusting screw 153 between deep groove ball bearing 154 and internal thread pipe 151, after confirming the interval between frame 1 and the base 11, can stop the regulation work, satisfy and use the detection demand.
In this embodiment, specifically, the longitudinal lower end of the clip-shaped support frame 134 is bolted to the upper left side of the frame 1.
In this embodiment, specifically, the clamping plate 136 is a rubber plate.
In this embodiment, specifically, one end of the fire fighting pipeline 10 to be detected is located at the upper part of the rubber cushion block 2, and the other end is located inside the clip-shaped support frame 134.
In this embodiment, specifically, the buffer air box 141 is a seamless welded stainless steel box, and is connected to the left end of the fire fighting pipeline 10 to be detected through a seal ring 144 by screw thread.
In this embodiment, specifically, the sealing ring 144 is a rubber ring.
In this embodiment, specifically, the connection seats 152 are respectively installed at four corners of the bottom of the rack 1 through fixing bolts 156.
In this embodiment, specifically, the deep groove ball bearings 154 are all embedded in four corners inside the base 11.
In this embodiment, specifically, the non-slip mat 12 is a rubber mat.
In this embodiment, specifically, the inflator pump 4 and the control switch 6 are connected by a wire, the inflator pump 4 is a 24V small-sized air pump, and the control switch 6 is a KCD1 type push switch.
Principle of operation
In the utility model, according to the fire-fighting pipeline 10 to be detected with different diameters, the hand-held rotary handle 131 is rotated to adjust the position of the fastening screw 132 inside the locking nut 133, so that the cylindrical roller bearing 135 and the clamping plate 136 move inside the clip-shaped support frame 134, the fire-fighting pipeline 10 to be detected can be arranged inside the clip-shaped support frame 134, then the fastening screw 132 drives the cylindrical roller bearing 135 and the clamping plate 136 to rotate and move downwards, the fire-fighting pipeline 10 to be detected is pressed tightly, the stability is ensured, the detection is convenient, the rubber cushion block 2 can play a supporting role, the hand-held quick-release handle 142 installs the buffer air box 141 at one end of the fire-fighting pipeline 10 to be detected through the sealing ring 144, the control switch 6 can be started to enable the inflator pump 4 to act, gas is filled into the fire-fighting pipeline 10 to be detected through the connecting tube head 8 and the inflation cap 9, if no change exists, the air tightness of the fire fighting pipeline 10 to be detected is proved to be good, the height adjustment work can be carried out according to the detection requirement, the adjustment work can be stopped after the position of the adjusting screw 153 between the deep groove ball bearing 154 and the internal thread pipe 151 is adjusted by rotating the adjusting screw through the handheld adjusting handle 155, and the distance between the rack 1 and the base 11 is determined, so that the use detection requirement is met.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The fire pipeline air tightness detection device is characterized by comprising a rack (1), rubber cushion blocks (2), an installation box (3), an air pump (4), an air inlet pipe (5), a control switch (6), an inflation hose (7), a connecting pipe head (8), an inflation cap (9), a fire pipeline to be detected (10), a base (11), an anti-skid pad (12), an adjustable fire pipeline fixing frame structure (13), a quick-detachable tightness detection buffer box structure (14) and a height-adjustable supporting rod structure (15), wherein the rubber cushion blocks (2) are in screwed connection with the upper right side of the rack (1); the middle position of the lower part of the frame (1) is connected with a mounting box (3) through a screw; an inflator pump (4) is connected to the inner screw of the mounting box (3); an air inlet pipe (5) is connected to the inlet of the left end of the inflator pump (4) in a threaded manner; a control switch (6) is connected with the middle position of the lower part of the mounting box (3) through a screw; one end of the inflating hose (7) is in threaded connection with an inlet on the right side of the inflating cap (9) through a connecting pipe head (8), and the other end of the inflating hose penetrates through the middle position of the right wall of the mounting box (3) and is in threaded connection with an outlet of the inflating pump (4); the inflation cap (9) is in threaded connection with the right end of the fire fighting pipeline (10) to be detected; the lower surface of the base (11) is glued with a non-slip mat (12); the adjustable fire fighting pipeline fixing frame structure (13) and the quick-detachable sealing detection buffer box structure (14) are connected with the fire fighting pipeline (10) to be detected; the height-adjustable supporting rod structure (15) is connected between the rack (1) and the base (11); the adjustable fire fighting pipeline fixing frame structure (13) comprises a rotating handle (131), a fastening screw (132), a locking nut (133), a clip-shaped support frame (134), a cylindrical roller bearing (135) and a clamping plate (136), wherein the rotating handle (131) is transversely bolted at the upper end of the fastening screw (132); the fastening screw rod (132) is longitudinally connected in the locking nut (133) in a threaded manner; the locking nut (133) is embedded in the middle position of the upper part of the inner side of the clip-shaped support frame (134); the lower end of the fastening screw rod (132) is connected with the middle position in the clamping plate (136) through a cylindrical roller bearing (135).
2. The fire pipeline airtightness detection apparatus according to claim 1, wherein the quick-release sealing detection buffer tank structure (14) includes a buffer gas tank (141), a quick-release handle (142), an exhaust valve (143), a seal ring (144), a gas pressure gauge (145) and a fixing nut (146), and the quick-release handle (142) is longitudinally screwed to both upper and lower portions of the left side of the buffer gas tank (141); an exhaust valve (143) is connected to the left outlet of the buffer air box (141) in a threaded manner; a sealing ring (144) is glued in a right connecting port of the buffer air box (141); the air pressure gauge (145) is arranged at an outlet at the middle position of the upper part of the buffer air box (141) through a fixing nut (146).
3. The fire fighting pipeline airtightness detection apparatus according to claim 1, wherein the height-adjustable support rod structure (15) comprises an internally threaded tube (151), a connecting seat (152), an adjusting screw (153), a deep groove ball bearing (154), an adjusting handle (155) and a fixing bolt (156), one longitudinal end of the internally threaded tube (151) is welded to a lower middle position of the connecting seat (152), and the other end is screwed to an upper outer wall of the adjusting screw (153); the lower end of the adjusting screw rod (153) in the longitudinal direction is arranged on the inner ring of the deep groove ball bearing (154) in an interference fit manner; the fixing bolts (156) are longitudinally connected to four corners inside the connecting seat (152) in a threaded manner.
4. The fire fighting pipeline airtightness detection apparatus according to claim 1, wherein the lower longitudinal end of said clip-shaped support frame (134) is bolted to the upper left side of the frame (1).
5. The fire pipeline airtightness detection apparatus according to claim 1, wherein the clamp plate (136) is a rubber plate.
6. The fire fighting pipeline airtightness detection apparatus according to claim 1, wherein the fire fighting pipeline (10) to be detected has one end located at the upper portion of the rubber mat (2) and the other end located inside the clip-shaped support frame (134).
7. The fire pipeline airtightness detection apparatus according to claim 2, wherein the buffer gas tank (141) is a seamless welded stainless steel tank, and is screwed to the left end of the fire pipeline (10) to be detected via a seal ring (144).
8. The fire pipeline airtightness detection apparatus according to claim 2, wherein the seal ring (144) is a rubber ring.
9. The fire pipeline airtightness detection apparatus according to claim 3, wherein the connection seats (152) are respectively installed at four corners of the bottom of the frame (1) by means of fixing bolts (156).
10. The fire fighting pipeline airtightness detection apparatus according to claim 3, wherein the deep groove ball bearings (154) are embedded in the four corners inside the base (11).
CN202021017863.7U 2020-06-05 2020-06-05 Fire-fighting pipeline air tightness detection device Active CN212180204U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021017863.7U CN212180204U (en) 2020-06-05 2020-06-05 Fire-fighting pipeline air tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021017863.7U CN212180204U (en) 2020-06-05 2020-06-05 Fire-fighting pipeline air tightness detection device

Publications (1)

Publication Number Publication Date
CN212180204U true CN212180204U (en) 2020-12-18

Family

ID=73788006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021017863.7U Active CN212180204U (en) 2020-06-05 2020-06-05 Fire-fighting pipeline air tightness detection device

Country Status (1)

Country Link
CN (1) CN212180204U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114518200A (en) * 2021-12-22 2022-05-20 苏州众犇汽车部件有限公司 Sealing device for air tightness detection of automobile parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114518200A (en) * 2021-12-22 2022-05-20 苏州众犇汽车部件有限公司 Sealing device for air tightness detection of automobile parts

Similar Documents

Publication Publication Date Title
CN108562413B (en) Pipe fitting gas tightness detection workbench
CN212180204U (en) Fire-fighting pipeline air tightness detection device
CN208043353U (en) A kind of dry-type encapsulated property detection device of fuel filter
CN219038253U (en) Pressure detector for fire control detection
CN210464841U (en) Pipeline air tightness test device
CN208458943U (en) Steel moulds crossover sub device for detecting sealability
CN215985048U (en) Valve body gas tightness detection device
CN115717966A (en) Air tightness detection device and method for corrugated pipe
CN202947617U (en) Alignment positioning device for marine steering gear
CN213728381U (en) Gas holder jar body belt cleaning device
CN214515522U (en) Injection equipment for underwater tracing
CN208043360U (en) A kind of air cleaner device for detecting sealability
CN107063578A (en) A kind of car dryer leakage detection apparatus
KR101513461B1 (en) Valve Test Appartus
CN206920085U (en) A kind of car dryer leakage detection apparatus
CN210243115U (en) Hydraulic pressure pipe gas tightness detection device
CN218330480U (en) Building drain pipe detection device
CN219796935U (en) Pressure pipeline detection device
CN210689945U (en) Sealed gas leakage testing arrangement
CN216815864U (en) Permeation detection device for welding seam of pressure pipeline
CN214171973U (en) Reducing three way connection detects gas leakage device convenient to maintain
CN215142660U (en) Be used for test of eminence combustible gas probe and abluent instrument
CN216896124U (en) Adjustable pipeline bracket reinforcing system
CN208476692U (en) Efficient device for detecting water pressure for three-roller calendar
CN218542581U (en) Portable pressure test pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant