CN108760174B - Warm logical hard pipeline gas tightness detection device - Google Patents
Warm logical hard pipeline gas tightness detection device Download PDFInfo
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- CN108760174B CN108760174B CN201810406508.XA CN201810406508A CN108760174B CN 108760174 B CN108760174 B CN 108760174B CN 201810406508 A CN201810406508 A CN 201810406508A CN 108760174 B CN108760174 B CN 108760174B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
Abstract
The invention relates to a detection device, in particular to a device for detecting the air tightness of a heating and ventilating hard pipeline. The invention aims to provide a device for detecting the air tightness of a heating and ventilation hard pipeline, which improves the working efficiency. In order to solve the technical problem, the invention provides an air tightness detection device for a heating and ventilation hard pipeline, which comprises a bottom plate, a water containing frame, a water outlet pipe, a valve, a pushing mechanism, a first connecting block, a first piston, an air blowing mechanism, a second piston, a left and right adjusting mechanism, a moving plate, a lifting mechanism and a clamping mechanism, wherein the bottom plate is provided with a water inlet and a water outlet; the water containing frame is fixedly connected to the top of the bottom plate, the water outlet pipe is fixedly connected to the bottom end of the side wall of the water containing frame, and the valve is installed at one end, close to the water containing frame, of the water outlet pipe; the pushing mechanism is fixedly connected with one end of the top of the bottom plate. The invention achieves the effect of improving the detection efficiency.
Description
Technical Field
The invention relates to a detection device, in particular to a device for detecting the air tightness of a heating and ventilating hard pipeline.
Background
As is well known, a device for detecting air leakage of a rigid pipeline of heating and ventilation equipment for building construction is an auxiliary device for detecting the rigid pipeline of the heating and ventilation equipment in the building construction process, and is widely used in the field of detection of the heating and ventilation equipment.
In the existing heating and ventilation equipment rigid pipeline air leakage detection device, when in use, workers need to manually press the output end of an inflator to inflate the interior of a pipeline, so that the labor intensity is high; and the pipeline is inconvenient to take. Therefore, the development of a device for detecting the airtightness of the hard heating and ventilation pipeline, which improves the working efficiency, is urgently needed.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defect that in use, workers need to manually press the output end of the inflator to inflate the interior of the pipeline, so that the labor intensity is high; the invention also provides a device for detecting the air tightness of the hard heating and ventilation pipeline, which aims to improve the working efficiency.
(2) Technical scheme
In order to solve the technical problem, the invention provides an air tightness detection device for a heating and ventilation hard pipeline, which comprises a bottom plate, a water containing frame, a water outlet pipe, a valve, a pushing mechanism, a first connecting block, a first piston, an air blowing mechanism, a second piston, a left and right adjusting mechanism, a moving plate, a lifting mechanism and a clamping mechanism, wherein the bottom plate is provided with a water inlet and a water outlet; the water containing frame is fixedly connected to the top of the bottom plate, the water outlet pipe is fixedly connected to the bottom end of the side wall of the water containing frame, and the valve is installed at one end, close to the water containing frame, of the water outlet pipe; the pushing mechanism is fixedly connected with one end of the top of the bottom plate, and the output end of the pushing mechanism penetrates through the side wall of the water containing frame; the first piston is in transmission connection with the output end of the pushing mechanism; the air blowing mechanism is fixedly connected to one end of the top of the bottom plate, which is far away from the pushing mechanism, and the output end of the air blowing mechanism penetrates through the side wall of the water containing frame; the second piston is fixedly connected with the output end of the air blowing mechanism; the left and right adjusting mechanisms are fixedly connected to the top of the bottom plate and are positioned on the rear side of the water containing frame; the movable plate is in transmission connection with the output end of the left-right adjusting mechanism, the lifting mechanism is fixedly connected to the top of the movable plate, the first connecting block is in transmission connection with the output end of the lifting mechanism, and the clamping mechanism is fixedly connected to the bottom of the first connecting block;
the pushing mechanism comprises a first sliding rail, a first sliding block, a connecting rod and a push rod; the first sliding rail is fixedly connected to the top of the bottom plate, the connecting rod is connected with the first sliding rail in a sliding mode through the first sliding block, the push rod is fixedly connected to the top of the connecting rod, a guide hole for the push rod to penetrate through is formed in the side wall of the water containing frame, and the first piston is in threaded connection with the push rod;
the air blowing mechanism comprises an air pump, an exhaust tube, an air blowing tube and a guide sleeve; the air pump is fixedly connected to the top of the bottom plate, the air exhaust pipe is fixedly connected to the input end of the air pump, and the air blowing pipe is fixedly connected to the output end of the air pump; the guide sleeve is fixedly connected in the side wall of the water containing frame and is penetrated by the air blowing pipe; the second piston is in threaded connection with the guide sleeve, and the air blowing pipe penetrates through the second piston;
the left-right adjusting mechanism comprises a supporting rod, a second sliding rail and a second sliding block; the supporting rod is fixedly connected to the top of the bottom plate and is positioned on the rear side of the water containing frame; the second sliding rail is fixedly connected to the top of the supporting rod, and the moving plate is connected with the second sliding rail in a sliding mode through the second sliding block;
the lifting mechanism comprises an annular sliding rail, a third sliding block, a first nut, an outer gear ring, a first screw rod, a through hole, a first bearing seat, a rotating shaft, a gear and a handle; the annular slide rail is embedded at the top of the movable plate, the first nut is connected with the annular slide rail in a sliding mode through the third slide block, the first screw rod is in threaded connection with the first nut, the movable plate is provided with a through hole for the first screw rod to penetrate through, and the first bearing seat is embedded at the top of one end, far away from the left-right adjusting mechanism, of the movable plate; one end of the rotating shaft is pivoted with the first bearing seat, and the other end of the rotating shaft is fixedly connected with the gear; the outer gear ring is fixedly connected with the first nut and is meshed with the gear;
the clamping mechanism comprises an installation frame, a second bearing seat, a third bearing seat, a second screw rod, a third screw rod, a second nut, a third nut, a rotating handle, a straight hole, a first connecting rod, a second connecting rod, a first clamping plate and a second clamping plate; the mounting frame is fixedly connected to the bottom of the first connecting block, and the top of the mounting frame is provided with a straight hole; the second bearing seat is fixedly connected to the rear end of the top of the mounting frame, the third bearing seat is fixedly connected to the front end of the top of the mounting frame, and the second screw rod is pivoted with the second bearing seat; the third screw rod is pivoted with the third bearing seat, one end part of the third screw rod is fixedly connected with the second screw rod, and the other end part of the third screw rod is fixedly connected with the rotating handle; the thread turning directions of the second screw rod and the third screw rod are opposite, a second nut is in threaded connection with the second screw rod, and a third nut is in threaded connection with the third screw rod; one end part of the first connecting rod is fixedly connected with the second nut, and the other end part of the first connecting rod penetrates through the straight hole to be fixedly connected with the first clamping plate; one end part of the second connecting rod is fixedly connected with the third nut, and the other end part of the second connecting rod penetrates through the straight hole to be fixedly connected with the second clamping plate.
(3) Advantageous effects
The pipeline is clamped by the clamping mechanism, so that the pipeline can be prevented from falling off in the process of driving the pipeline to move by the lifting mechanism; the left-right adjusting mechanism can drive the pipeline to move left and right, so that one end of the pipeline is inserted into the second piston; then the pushing mechanism drives the second piston to be inserted into the other end of the pipeline, and the two ends of the pipeline are sealed; the pipeline is blown by the blowing mechanism, and whether bubbles are generated or not is observed, so that the air tightness of the pipeline can be judged, the amount of manual labor is reduced, and the detection efficiency is improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic front view of the pushing mechanism of the present invention.
FIG. 3 is a schematic front view of the blowing mechanism of the present invention.
Fig. 4 is a front view schematic diagram of the left-right adjusting mechanism of the present invention.
Fig. 5 is a schematic front view of the lifting mechanism of the present invention.
FIG. 6 is a left side view of the clamping mechanism of the present invention.
The labels in the figures are: 1-bottom plate, 2-water containing frame, 3-water outlet pipe, 4-valve, 5-pushing mechanism, 51-first slide rail, 52-first slide block, 53-connecting rod, 54-push rod, 55-guiding hole, 6-first connecting block, 7-first piston, 8-blowing mechanism, 81-air pump, 82-air exhaust pipe, 83-air blowing pipe, 84-guide sleeve, 9-second piston, 10-left-right adjusting mechanism, 101-supporting rod, 102-second slide rail, 103-second slide block, 11-moving plate, 12-lifting mechanism, 121-annular slide rail, 122-third slide block, 123-first nut, 124-outer gear ring, 125-first screw rod, 126-through hole, 127-first bearing seat, 128-rotating shaft, 129-gear, 1210-handle, 13-clamping mechanism, 131-mounting frame, 132-second bearing seat, 133-third bearing seat, 134-second lead screw, 135-third lead screw, 136-second nut, 137-third nut, 138-rotating handle, 139-slotted hole, 1310-first connecting rod, 1311-second connecting rod, 1312-first clamping plate and 1313-second clamping plate.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A heating and ventilation hard pipeline air tightness detection device is shown in figures 1-6 and comprises a bottom plate 1, a water containing frame 2, a water outlet pipe 3, a valve 4, a pushing mechanism 5, a first connecting block 6, a first piston 7, an air blowing mechanism 8, a second piston 9, a left-right adjusting mechanism 10, a moving plate 11, a lifting mechanism 12 and a clamping mechanism 13; the water containing frame 2 is fixedly connected to the top of the bottom plate 1, the water outlet pipe 3 is fixedly connected to the bottom end of the side wall of the water containing frame 2, and the valve 4 is arranged at one end of the water outlet pipe 3 close to the water containing frame 2; the pushing mechanism 5 is fixedly connected with one end of the top of the bottom plate 1, and the output end of the pushing mechanism penetrates through the side wall of the water containing frame 2; the first piston 7 is in transmission connection with the output end of the pushing mechanism 5; the air blowing mechanism 8 is fixedly connected to one end of the top of the bottom plate 1 far away from the pushing mechanism 5, and the output end of the air blowing mechanism penetrates through the side wall of the water containing frame 2; the second piston 9 is fixedly connected with the output end of the air blowing mechanism 8; the left and right adjusting mechanism 10 is fixedly connected to the top of the bottom plate 1 and is positioned at the rear side of the water containing frame 2; the movable plate 11 is connected with the output end of the left-right adjusting mechanism 10 in a transmission manner, the lifting mechanism 12 is fixedly connected to the top of the movable plate 11, the first connecting block 6 is connected with the output end of the lifting mechanism 12 in a transmission manner, and the clamping mechanism 13 is fixedly connected to the bottom of the first connecting block 6.
When a tester needs to test the air tightness of the heating and ventilation hard pipeline, the pipeline needing to test the air tightness is firstly placed in the clamping mechanism 13, and the clamping mechanism 13 is controlled to firmly clamp the pipeline to prevent the pipeline from falling off in the moving process, then the lifting mechanism 12 is controlled to operate to drive the first connecting block 6 to move towards the direction of the water body, when the pipeline is positioned between the first piston 7 and the second piston 9, the operation of the lifting mechanism 12 can be stopped, then the left-right adjusting mechanism 10 is controlled to promote the second piston 9 to be inserted into one end of the pipeline, the pushing mechanism 5 is controlled to promote the first piston 7 to be close to the direction of the pipeline and to be inserted into the other end of the pipeline, the clamping mechanism 13 can be controlled to loosen the pipeline, a proper amount of water is injected into the water containing frame 2 at the top of the bottom plate 1 to completely submerge the pipeline, then, operating the blowing mechanism 8 to blow air in the pipeline, and observing whether bubbles emerge to judge how the air tightness of the pipeline is; after the pipeline is detected, firstly, the air blowing mechanism 8 is closed, the valve 4 can be opened, water in the water containing frame 2 can be discharged through the water outlet pipe 3, the clamping mechanism 13 is controlled to clamp the pipeline, then the pushing mechanism 5 is controlled to drive the first piston 7 to move towards the direction far away from the pipeline, the left and right adjusting mechanism 10 drives the pipeline to be far away from the second piston 9, and the pipeline can be easily taken out of the water containing frame 2 through the lifting mechanism 12, so that the labor capacity is reduced, and the working efficiency is improved; when the diameters of the pipelines are different, the first piston 7 and the second piston 9 can be rotated to be separated from the pushing mechanism 5 and the blowing mechanism 8, and the pipelines can be replaced by the models with the corresponding diameters, so that the pipelines can be conveniently used for various pipeline diameters.
Further, the pushing mechanism 5 includes a first slide rail 51, a first slide block 52, a connecting rod 53 and a push rod 54; the first slide rail 51 is fixedly connected to the top of the bottom plate 1, the connecting rod 53 is slidably connected with the first slide rail 51 through the first slide block 52, the push rod 54 is fixedly connected to the top of the connecting rod 53, the side wall of the water containing frame 2 is provided with a guide hole 55 for the push rod 54 to penetrate through, and the first piston 7 is in threaded connection with the push rod 54; therefore, when the pipeline needs to be fixed in the water containing frame 2 by a detection person, the second piston 9 is firstly inserted into one side of the pipeline, then the first sliding block 52 is slid to drive the connecting rod 53 to move towards the direction close to the water containing frame 2, and further the push rod 54 is driven to enable the first piston 7 to be inserted into the other side of the pipeline, so that the pipeline can be clamped and fixed in water, and the detection efficiency is improved.
Further, the air blowing mechanism 8 comprises an air pump 81, an air suction pipe 82, an air blowing pipe 83 and a guide sleeve 84; the air pump 81 is fixedly connected to the top of the bottom plate 1, the air exhaust pipe 82 is fixedly connected to the input end of the air pump 81, and the air blowing pipe 83 is fixedly connected to the output end of the air pump 81; the guide sleeve 84 is fixedly connected in the side wall of the water containing frame 2 and is penetrated by the air blowing pipe 83; the second piston 9 is in threaded connection with the guide sleeve 84, and the blowing pipe 83 penetrates through the second piston 9; when the pipeline needs to be blown, the air pump 81 is operated firstly, air in the air is pumped into the exhaust pipe 82, and then the air is blown into the pipeline from the air blowing pipe 83, so that the air tightness of the pipeline can be detected, and the amount of manual labor is reduced; after the detection is finished, the air blowing in the guide pipe can be stopped only by closing the air pump 81, so that the operation is simple, and the working efficiency is improved.
Further, the left-right adjusting mechanism 10 comprises a support rod 101, a second slide rail 102 and a second slide block 103; the supporting rod 101 is fixedly connected to the top of the bottom plate 1 and is positioned at the rear side of the water containing frame 2; the second slide rail 102 is fixedly connected to the top of the support rod 101, and the moving plate 11 is slidably connected with the second slide rail 102 through a second slide block 103; therefore, when the second piston 9 needs to be inserted into one side of the pipeline, the second sliding block 103 is firstly slid, the clamping mechanism 13 can be driven to slide in the second sliding rail 102, the pipeline is further driven to move towards the direction of the second piston 9, and after the second piston 9 is inserted into the pipeline, the end part of the second piston is sealed, so that the problem that the detection result is inaccurate due to air leakage in the air tightness detection process is avoided; after the pipeline is fixed in the water containing frame 2, the second sliding block 103 does not need to be slid, and the pipeline can be conveniently clamped and separated from the water containing frame 2 after the pipeline is detected; when the pipeline is detected, the second sliding block 103 is slid to return to the initial position, so that the next pipeline detection is facilitated.
Further, the lifting mechanism 12 includes an annular slide rail 121, a third slider 122, a first nut 123, an outer gear ring 124, a first lead screw 125, a through hole 126, a first bearing seat 127, a rotating shaft 128, a gear 129 and a handle 1210; the annular slide rail 121 is embedded in the top of the moving plate 11, the first nut 123 is slidably connected with the annular slide rail 121 through the third slider 122, the first lead screw 125 is screwed with the first nut 123, the moving plate 11 is provided with a through hole 126 for the first lead screw 125 to penetrate through, and the first bearing block 127 is embedded in the top of one end of the moving plate 11 far away from the left-right adjusting mechanism 10; one end of the rotating shaft 128 is pivotally connected to the first bearing block 127, and the other end is fixedly connected to the gear 129; the outer gear ring 124 is fixedly connected with the first nut 123 and meshed with the gear 129; therefore, when the pipeline needs to be placed in the water containing frame 2, the handle 1210 is firstly held to rotate the gear 129, the gear 129 drives the outer gear ring 124 to rotate, and then the first nut 123 is driven to slide in the annular slide rail 121 through the third slider 122, so that the first screw rod 125 is driven to rotate downwards through the through hole 126; after the pipeline detection is finished, the handle 1210 is held to rotate in the opposite direction, so that the first screw rod 125 is driven to rotate upwards through the through hole 126; this reduces the amount of labor for the test personnel.
Further, the clamping mechanism 13 includes a mounting frame 131, a second bearing seat 132, a third bearing seat 133, a second lead screw 134, a third lead screw 135, a second nut 136, a third nut 137, a rotating handle 138, a slotted hole 139, a first connecting rod 1310, a second connecting rod 1311, a first clamping plate 1312, and a second clamping plate 1313; the mounting frame 131 is fixedly connected to the bottom of the first connecting block 6, and the top of the mounting frame is provided with a straight hole 139; the second bearing seat 132 is fixedly connected to the rear end of the top of the mounting frame 131, the third bearing seat 133 is fixedly connected to the front end of the top of the mounting frame 131, and the second lead screw 134 is pivotally connected to the second bearing seat 132; the third lead screw 135 is pivoted with the third bearing seat 133, and one end part is fixedly connected with the second lead screw 134, and the other end part is fixedly connected with the rotating handle 138; the thread turning directions of the second screw rod 134 and the third screw rod 135 are opposite, a second nut 136 is in threaded connection with the second screw rod 134, and a third nut 137 is in threaded connection with the third screw rod 135; one end of the first connecting rod 1310 is fixedly connected to the second nut 136, and the other end thereof penetrates through the slotted hole 139 to be fixedly connected to the first clamping plate 1312; one end of the second link 1311 is fixed to the third nut 137, and the other end thereof penetrates through the slotted hole 139 and is fixed to the second clamp 1313; therefore, when the pipeline needs to be clamped, the pipeline is firstly placed in the mounting frame 131, the rotating handle 138 is rotated, and due to the pivoting action of the second lead screw 134 and the second bearing seat 132, the pivoting action of the third lead screw 135 and the third bearing seat 133, and the opposite screwing directions of the threads of the second lead screw 134 and the third lead screw 135, the second nut 136 and the third nut 137 are caused to be close to each other, so that the first clamping plate 1312 and the second clamping plate 1313 are driven to be close to clamp the pipeline, and the pipeline can be prevented from falling off in the moving process; when the pipeline is placed between the first piston 7 and the second piston 9, the rotating handle 138 can be rotated in the opposite direction, so that the first clamping plate 1312 and the second clamping plate 1313 are separated from the pipeline, air leakage holes are prevented from being formed in the positions, clamped by the first clamping plate 1312 and the second clamping plate 1313, of the pipeline, detection results are inaccurate, and therefore when the air tightness of the pipeline is detected, the pipeline is more comprehensive, any position is not dropped, and the detection effect is improved.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. The air tightness detection device for the heating and ventilation hard pipeline is characterized by comprising a bottom plate (1), a water containing frame (2), a water outlet pipe (3), a valve (4), a pushing mechanism (5), a first connecting block (6), a first piston (7), an air blowing mechanism (8), a second piston (9), a left and right adjusting mechanism (10), a movable plate (11), a lifting mechanism (12) and a clamping mechanism (13); the water containing frame (2) is fixedly connected to the top of the bottom plate (1), the water outlet pipe (3) is fixedly connected to the bottom end of the side wall of the water containing frame (2), and the valve (4) is installed at one end, close to the water containing frame (2), of the water outlet pipe (3); the pushing mechanism (5) is fixedly connected with one end of the top of the bottom plate (1), and the output end of the pushing mechanism penetrates through the side wall of the water containing frame (2); the first piston (7) is in transmission connection with the output end of the pushing mechanism (5); the blowing mechanism (8) is fixedly connected to one end of the top of the bottom plate (1) far away from the pushing mechanism (5), and the output end of the blowing mechanism penetrates through the side wall of the water containing frame (2); the second piston (9) is fixedly connected with the output end of the air blowing mechanism (8); the left and right adjusting mechanism (10) is fixedly connected to the top of the bottom plate (1) and is positioned at the rear side of the water containing frame (2); the movable plate (11) is in transmission connection with the output end of the left-right adjusting mechanism (10), the lifting mechanism (12) is fixedly connected to the top of the movable plate (11), the first connecting block (6) is in transmission connection with the output end of the lifting mechanism (12), and the clamping mechanism (13) is fixedly connected to the bottom of the first connecting block (6);
the pushing mechanism (5) comprises a first sliding rail (51), a first sliding block (52), a connecting rod (53) and a push rod (54); the first sliding rail (51) is fixedly connected to the top of the bottom plate (1), the connecting rod (53) is in sliding connection with the first sliding rail (51) through the first sliding block (52), the push rod (54) is fixedly connected to the top of the connecting rod (53), a guide hole (55) for the push rod (54) to penetrate through is formed in the side wall of the water containing frame (2), and the first piston (7) is in threaded connection with the push rod (54);
the blowing mechanism (8) comprises an air pump (81), an air exhaust pipe (82), an air blowing pipe (83) and a guide sleeve (84); the air pump (81) is fixedly connected to the top of the bottom plate (1), the air exhaust pipe (82) is fixedly connected to the input end of the air pump (81), and the air blowing pipe (83) is fixedly connected to the output end of the air pump (81); the guide sleeve (84) is fixedly connected in the side wall of the water containing frame (2) and is penetrated by the air blowing pipe (83); the second piston (9) is in threaded connection with the guide sleeve (84), and the air blowing pipe (83) penetrates through the second piston (9);
the left-right adjusting mechanism (10) comprises a supporting rod (101), a second sliding rail (102) and a second sliding block (103); the supporting rod (101) is fixedly connected to the top of the bottom plate (1) and is positioned at the rear side of the water containing frame (2); the second sliding rail (102) is fixedly connected to the top of the supporting rod (101), and the moving plate (11) is connected with the second sliding rail (102) in a sliding mode through the second sliding block (103);
the lifting mechanism (12) comprises an annular slide rail (121), a third slide block (122), a first nut (123), an outer gear ring (124), a first screw rod (125), a through hole (126), a first bearing seat (127), a rotating shaft (128), a gear (129) and a handle (1210); the annular sliding rail (121) is embedded in the top of the moving plate (11), the first nut (123) is connected with the annular sliding rail (121) in a sliding mode through the third sliding block (122), the first screw rod (125) is in threaded connection with the first nut (123), the moving plate (11) is provided with a through hole (126) for the first screw rod (125) to penetrate through, and the first bearing seat (127) is embedded in the top of one end, far away from the left-right adjusting mechanism (10), of the moving plate (11); one end of the rotating shaft (128) is pivoted with the first bearing seat (127), and the other end of the rotating shaft is fixedly connected with the gear (129); the outer gear ring (124) is fixedly connected with the first nut (123) and is meshed with the gear (129);
the clamping mechanism (13) comprises a mounting frame (131), a second bearing seat (132), a third bearing seat (133), a second screw rod (134), a third screw rod (135), a second nut (136), a third nut (137), a rotating handle (138), a straight hole (139), a first connecting rod (1310), a second connecting rod (1311), a first clamping plate (1312) and a second clamping plate (1313); the mounting frame (131) is fixedly connected to the bottom of the first connecting block (6), and the top of the mounting frame is provided with a straight hole (139); the second bearing seat (132) is fixedly connected to the rear end of the top of the mounting frame (131), the third bearing seat (133) is fixedly connected to the front end of the top of the mounting frame (131), and the second screw rod (134) is pivoted with the second bearing seat (132); the third screw rod (135) is pivoted with the third bearing seat (133), one end part of the third screw rod is fixedly connected with the second screw rod (134), and the other end part of the third screw rod is fixedly connected with the rotating handle (138); the thread turning directions of the second screw rod (134) and the third screw rod (135) are opposite, a second nut (136) is in threaded connection with the second screw rod (134), and a third nut (137) is in threaded connection with the third screw rod (135); one end part of the first connecting rod (1310) is fixedly connected with the second nut (136), and the other end part of the first connecting rod penetrates through the straight hole (139) and is fixedly connected with the first clamping plate (1312); one end of the second connecting rod (1311) is fixedly connected to the third nut (137), and the other end of the second connecting rod penetrates through the straight hole (139) and is fixedly connected with the second clamping plate (1313).
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| CN201810406508.XA CN108760174B (en) | 2018-04-30 | 2018-04-30 | Warm logical hard pipeline gas tightness detection device |
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| CN201810406508.XA CN108760174B (en) | 2018-04-30 | 2018-04-30 | Warm logical hard pipeline gas tightness detection device |
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| CN111060256B (en) * | 2019-12-17 | 2021-10-26 | 江苏亚盛休闲用品有限公司 | Sleeve pipe leak hunting device is used in water pipe preparation |
| CN111473924A (en) * | 2020-05-18 | 2020-07-31 | 广州阿普顿自动化系统有限公司 | Air tightness testing device and testing mode thereof |
| CN111929009B (en) * | 2020-07-07 | 2022-07-08 | 龙泉市双振铝业有限公司 | Automatic leak detection equipment for porous micro-channel flat tube |
| CN112461456B (en) * | 2020-11-21 | 2023-03-07 | 深圳市贝来加尔技术有限公司 | Gas valve leakproofness detection device |
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| CN201622156U (en) * | 2010-01-13 | 2010-11-03 | 高密华腾精密铸造有限公司 | Multifunctional pressure test machine for pipe fittings |
| CN202547884U (en) * | 2012-05-18 | 2012-11-21 | 宣城银明汽车部件制造有限公司 | Device for detecting sealing property of pipeline |
| CN105823606A (en) * | 2016-05-30 | 2016-08-03 | 浙江蓝能燃气设备有限公司 | Valve air-tightness detection device |
| CN106768676A (en) * | 2017-03-27 | 2017-05-31 | 江苏省建筑科学研究院有限公司 | A kind of heating and ventilating equipment hard pipeline gas leak detection device |
| CN206990167U (en) * | 2017-07-19 | 2018-02-09 | 马利平 | A kind of construction heating and ventilating equipment hard pipeline gas leak detection device |
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