CN111678653A - Air tightness detection device for magnesium-aluminum alloy air cylinder - Google Patents
Air tightness detection device for magnesium-aluminum alloy air cylinder Download PDFInfo
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- CN111678653A CN111678653A CN202010373169.7A CN202010373169A CN111678653A CN 111678653 A CN111678653 A CN 111678653A CN 202010373169 A CN202010373169 A CN 202010373169A CN 111678653 A CN111678653 A CN 111678653A
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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
- G01M3/10—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 containers, e.g. radiators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The magnesium-aluminum alloy air cylinder air tightness detection device comprises a plugging mechanism arranged between a front fixing plate and a rear fixing plate, the plugging mechanism is oppositely arranged on the side part of the air cylinder, the plugging mechanism comprises a turnover plate, an air supply component and a plugging component, two ends of the turnover plate are respectively and rotatably connected with the front fixing plate and the rear fixing plate, the torsional spring is arranged at the rotating connection part of the turnover plate and the front fixing plate and the rear fixing plate, and the air supply component and the plugging component are arranged inside the turnover plate; according to the invention, the two auxiliary connectors of air guide and plugging are arranged on the turnover plate, and the turnover plate can rotate up and down, so that the operation of mounting and dismounting the auxiliary connectors is not needed, when the air storage cylinder is mounted at the fixed plate, the auxiliary connectors and the air storage cylinder can be assembled only by rotating the turnover plate, thus the detection efficiency is greatly improved, and the whole process can be finished by a single person.
Description
Technical Field
The invention belongs to the technical field of air cylinder processing, and particularly relates to a magnesium-aluminum alloy air cylinder air tightness detection device.
Background
The air storage cylinder is an air storage device in the automobile braking system; the air storage cylinder is used for storing air compressed by the air compressor (air pump) and is used for systems of automobile braking, whistling and the like;
when the air storage cylinder is processed, a plurality of welding processes are required, namely welding of the cylinder body, welding of the cylinder body and the end cover and welding of the cylinder body and the joint are required, so that an underwater air tightness test is required to detect the overall tightness of the air storage cylinder;
when the air storage cylinder is produced, the outer wall of the air storage cylinder is provided with 1-3 open air guide joints, when detection is carried out, workers need to install the auxiliary air charging joint on one air guide joint, and the other air guide joints are provided with auxiliary plugging joints, so that the air storage cylinder can be used for air inlet in one area without air outlets, the existence of cracks in the body can be judged underwater, and after the detection is finished, each auxiliary joint is detached; however, in this way, the operation of installing and removing the auxiliary connector is required for each air cylinder, the operation efficiency is low, multi-user cooperative operation is required, and the detection requirement of mass products cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a magnesium-aluminum alloy air cylinder airtightness detection device, which has the following specific technical scheme:
the air tightness detection device for the magnesium-aluminum alloy gas cylinder comprises a top plate, wherein the top surface of the top plate is connected with a pneumatic rod, one end of the bottom surface of the top plate is vertically provided with a front fixing plate, the other end of the bottom surface of the top plate is vertically provided with a rear fixing plate, the front fixing plate and the rear fixing plate are arranged in a mirror symmetry mode, and the front fixing plate and the rear fixing plate are used for fixing the gas cylinder from two ends;
the air storage cylinder is characterized in that a plugging mechanism is arranged between the front fixing plate and the rear fixing plate and is oppositely arranged on the side part of the air storage cylinder, the plugging mechanism comprises a turnover plate, an air supply part and a plugging part, the two ends of the turnover plate are respectively and rotatably connected with the front fixing plate and the rear fixing plate, the torsional spring is arranged at the rotating connection part of the turnover plate, the air supply part and the plugging part are arranged in the turnover plate, an air guide joint is arranged on the side surface of the air storage cylinder, the air supply part and the plugging part are both oppositely assembled with the air guide joint, the air supply part is used for filling air into the air storage cylinder, and the plugging part is used for plugging redundant air guide joints; the front fixing plate and the rear fixing plate are arranged at the top of the water storage tank.
Further, the both ends symmetry of returning face plate is equipped with the commentaries on classics post, the outside of commentaries on classics post has cup jointed the torsional spring, the slide opening of rectangle is seted up to the inside of returning face plate, the inside slip of slide opening is equipped with the air feed part with the shutoff part.
Further, the air feed part includes first slide, air duct and sealing ring, first slide slidable mounting in the inside of slide opening, the side cross-section of first slide is the I-shaped, the center department of first slide is fixed to run through there the air duct, the one end intercommunication of air duct has the air feed hose, the other end assembly of air duct imbed in the inside that the air guide connects, the air duct with the air guide connects the intercommunication, the other end outer wall cover of air duct is equipped with the sealing ring, the sealing ring imbed in the air duct with the junction that the air guide connects.
Further, the shutoff part includes second slide, regulation post and sealing plug, second slide slidable mounting in the inside of sliding hole, the side cross-section of second slide is the I-shaped, the regulation hole has been seted up to the center department of second slide, the inside threaded connection of regulation hole the regulation post, it is close to adjust the post the one end of gas receiver is equipped with the sealing plug, the sealing plug imbed in the inside of air guide joint, the sealing plug is used for the shutoff air guide joint.
Furthermore, one end of the adjusting hole close to the air cylinder is provided with a receiving groove, the inner diameter of the receiving groove is larger than that of the adjusting hole, the maximum diameter of the sealing plug is larger than that of the air guide joint, and the receiving groove is used for receiving the sealing plug which does not work.
Furthermore, a supporting plate is arranged between the front fixing plate and the rear fixing plate, and the supporting plate is arranged at the bottom of the air cylinder.
Furthermore, a stop plate is arranged at the inner hole of the rear fixing plate.
Furthermore, a positioning stud is vertically arranged at the top end of the front fixing plate, a rectangular mounting hole is formed in the top plate, the positioning stud penetrates through the mounting hole in a sliding mode, and a locking nut is sleeved outside the positioning stud.
The invention has the beneficial effects that:
1. the air guide and the plugging auxiliary joints are arranged on the turnover plate, and the turnover plate can rotate up and down, so that the operation of mounting and dismounting the auxiliary joints is not needed, when the air storage cylinder is mounted at the fixed plate, the assembly of the auxiliary joints and the air storage cylinder can be realized only by rotating the turnover plate, the detection efficiency is greatly improved, and the whole process can be finished by a single person;
2. the air guide part and the plugging part can be horizontally adjusted in the turnover plate, so that the position requirements of air cylinder joints of different types are met; the plugging component can also be telescopically adjusted to meet the requirements of the number of air cylinder connectors of different types; the application range of the detection device is wider.
Drawings
FIG. 1 is a schematic view of the air cylinder detection state of the present invention;
FIG. 2 is a schematic view showing the overall structure of the detecting device of the present invention;
FIG. 3 shows a schematic structural view of the plugging mechanism of the present invention;
FIG. 4 is a schematic view showing the fitting structure of the air supply unit and the air guide joint according to the present invention;
FIG. 5 is a schematic view showing a fitting structure of the plugging member and the air guide joint of the present invention;
FIG. 6 shows a schematic view of a containment feature of the present invention;
shown in the figure: 1. an air cylinder; 11. an air guide joint; 2. a front fixing plate; 21. positioning the stud; 211. a lock nut; 22. a fixing hole; 3. a rear fixing plate; 4. a plugging mechanism; 41. a turnover plate; 411. a slide hole; 412. turning the column; 42. a gas supply part; 421. a first slider; 422. an air duct; 423. a seal ring; 43. a plugging member; 431. a second slide carriage; 4311. an adjustment hole; 4312. a receiving groove; 432. an adjustment column; 433. a sealing plug; 44. a torsion spring; 5. a top plate; 51. mounting holes; 6. a pneumatic rod; 7. a support plate; 8. a water storage tank; 9. an air supply hose.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The air tightness detection device for the magnesium-aluminum alloy gas cylinder comprises a top plate 5, wherein the top surface of the top plate 5 is connected with a pneumatic rod 6, one end of the bottom surface of the top plate 5 is vertically provided with a front fixing plate 2, the other end of the bottom surface of the top plate 5 is vertically provided with a rear fixing plate 3, the front fixing plate 2 and the rear fixing plate 3 are arranged in a mirror symmetry mode, and the front fixing plate 2 and the rear fixing plate 3 are used for fixing the gas cylinder 1 from two ends; the pneumatic rod 6 is used for driving the front fixing plate 2 and the rear fixing plate 3 to move downwards so as to offset buoyancy generated by the air storage cylinder 1 in the water storage tank 8;
a plugging mechanism 4 is installed between the front fixing plate 2 and the rear fixing plate 3, the plugging mechanism 4 is arranged on the side portion of the air cylinder 1 relatively, the plugging mechanism 4 comprises a turnover plate 41, an air supply part 42 and a plugging part 43, two ends of the turnover plate 41 are respectively connected with the front fixing plate 2 and the rear fixing plate 3 in a rotating manner, the turnover plate 41 is connected in a rotating manner to realize that when the air cylinder 1 is inserted, the turnover plate 41 drives the air supply part 42 and the plugging part 43 to rotate upwards and retract, so that the air cylinder 1 can be normally inserted and prevented from being blocked, and after the air cylinder 1 is inserted, the turnover plate 41 is rotated downwards to enable the plugging part 43 and the air supply part 42 to be matched with the corresponding air guide joints 11;
the torsion spring 44 is installed at the rotating connection position of the turnover plate 41 and the front fixing plate 2 and the rear fixing plate 3, the air supply part 42 and the plugging part 43 are installed inside the turnover plate 41, the air guide joint 11 is installed on the side surface of the air cylinder 1, the air supply part 42 and the plugging part 43 are both assembled with the air guide joint 11 oppositely, the air supply part 42 is used for adding air into the air cylinder 1, and the plugging part 43 is used for plugging redundant air guide joint 11; the plugging part 43 and the air supply part 42 are optimally arranged on the turnover plate, so that the plugging joint and the ventilation joint do not need to be repeatedly assembled and disassembled, and the detection efficiency is improved; the front fixing plate 2 and the rear fixing plate 3 are arranged at the top of the water storage tank 8.
As an improvement of the above technical solution, the two ends of the turning plate 41 are symmetrically provided with a rotating column 412, the torsion spring 44 is sleeved outside the rotating column 412, a rectangular sliding hole 411 is formed inside the turning plate 41, and the air supply part 42 and the blocking part 43 are assembled inside the sliding hole 411 in a sliding manner; the torsion spring 44 is utilized to realize automatic downward rotation of the turnover plate 41 without manual operation on one hand, and improve the inward thrust of the turnover plate 41 on the other hand, so that the matching sealing performance of the plugging part 43, the air supply part 42 and the air guide joint 11 is better, and air leakage is avoided; by adopting the sliding assembly mode, the air supply part 42 and the blocking part 43 can be adjusted correspondingly according to the position of the air guide joint 11, so that the application range of the air supply part 42 and the blocking part 43 is improved.
As an improvement of the above technical solution, the air supply part 42 includes a first sliding seat 421, an air duct 422 and a sealing ring 423, the first sliding seat 421 is slidably mounted inside the sliding hole 411, a lateral cross section of the first sliding seat 421 is i-shaped, the air duct 422 is fixedly penetrated through a center of the first sliding seat 421, one end of the air duct 422 is communicated with an air supply hose 9, the other end of the air duct 422 is assembled and embedded inside the air guide joint 11, the air duct 422 is communicated with the air guide joint 11, the sealing ring 423 is sleeved on an outer wall of the other end of the air duct 422, and the sealing ring 423 is embedded at a connection part of the air duct 422 and the air guide joint 11; the first sliding seat 421 in an i shape enables the air supply part 42 to stably slide left and right in the turnover plate 41; the air duct 422 can conduct the compressed air provided by the air supply hose 9 to the air guide joint 11, and the sealing ring 423 can improve the connection tightness between the air guide joint 11 and the air duct 422, so as to avoid air leakage.
As an improvement of the above technical solution, the blocking component 43 includes a second slide seat 431, an adjusting column 432 and a sealing plug 433, the second slide seat 431 is slidably mounted inside the sliding hole 411, a side cross section of the second slide seat 431 is i-shaped, an adjusting hole 4311 is formed in the center of the second slide seat 431, the adjusting column 432 is connected to the inner thread of the adjusting hole 4311, a sealing plug 433 is arranged at one end of the adjusting column 432 close to the air cylinder 1, the sealing plug 433 is embedded into the air guide joint 11, and the sealing plug 433 is used for blocking the air guide joint 11; the second i-shaped slide 431 enables the blocking part 43 to rotate stably in the roll-over plate 41; the adjusting hole 4311 is in threaded connection with the adjusting column 432, so that the adjusting column 432 can extend out when in use and can be adjusted in the adjusting hole 4311 when not in use, and the detection requirements of air cylinders with different number of joints are met.
As an improvement of the above technical solution, one end of the adjusting hole 4311 close to the air cylinder 1 is provided with a receiving groove 4312, an inner diameter of the receiving groove 4312 is larger than an inner diameter of the adjusting hole 4311, a maximum diameter of the sealing plug 433 is larger than an inner diameter of the air guide joint 11, and the receiving groove 4312 is used for receiving the sealing plug 433 which is not in operation; the sealing plug 433 can be received into the adjusting hole 4311 by utilizing the receiving groove 4312, the normal assembly of the air storage cylinder is prevented from being influenced by the outward extension of the sealing plug 433, and the turnover plate can be rotated normally to reset.
As an improvement of the above technical solution, a supporting plate 7 is arranged between the front fixing plate 2 and the rear fixing plate 3, and the supporting plate 7 is disposed at the bottom of the air cylinder 1; the air cylinder can be supported by the supporting plate 7 from the bottom, so that the air cylinder is more convenient to mount and pull out.
As an improvement of the above technical solution, a stopper plate is installed at an inner hole of the rear fixing plate 3; the stop plate can abut against the limiting air cylinder from the rear end, so that the air cylinder can be rapidly placed in place.
As an improvement of the above technical solution, a positioning stud 21 is vertically arranged at the top end of the front fixing plate 2, a rectangular mounting hole 51 is formed in the top plate 5, the positioning stud 21 slidably penetrates through the mounting hole 51, and a lock nut 211 is sleeved outside the positioning stud 21; by means of the matching of the positioning studs 21 and the locking nuts 211, the distance between the front fixing plate 2 and the rear fixing plate 3 can be adjusted, and therefore the assembly fixing requirements of air cylinders with different lengths are met.
FIG. 3 is a schematic view of the plugging mechanism of the present invention, as shown in FIG. 3;
a strip-shaped sliding hole 411 is formed in the turnover plate 41, two plugging parts 43 and an air supply part 42 are connected in the sliding hole 411 in a sliding mode, and the air supply part 42 is arranged in the middle of the two plugging parts 43; the plugging part 43 and the air supply part 42 are fixed with the turnover plate 41 through screws;
FIG. 4 is a schematic view showing a fitting structure of the air supply unit and the air guide joint according to the present invention, as shown in FIG. 4;
the sealing ring 423 is of an annular structure, the sealing ring 423 comprises an inclined plane section and a horizontal section, the horizontal section enters the air guide joint 11 along with the air guide pipe 422, the diameter of the inclined plane section is larger than that of the air guide joint 11, and the inclined plane of the inclined plane section abuts against the port of the air guide joint 11, so that the air guide joint is further blocked.
FIG. 5 is a schematic view showing the structure of the plugging member of the present invention in cooperation with an air guide joint;
the structure of the second sliding seat 431 is the same as that of the first sliding seat 421, the size and specification of the adjusting column 432 are the same as those of the air duct 422, and the adjusting column 432 is in threaded connection with the adjusting hole; the adjusting column 432 rotates leftwards to make the sealing plug 433 put into the containing groove 4312, and the adjusting column rotates rightwards to make the sealing plug 433 extend outwards to block the air guide joint 11;
the size specification of the sealing plug 433 is the same as that of the sealing ring 423, but the sealing plug is a solid plugging structure, the sealing ring 423 is a hollow annular structure, the sealing plug 433 comprises an inclined plane section and a horizontal section, the inclined plane of the inclined plane section is abutted to the port of the air guide joint 11, and the horizontal section enters the air guide joint 11 along with the adjusting column 432.
The invention is implemented as follows:
before testing, the detection device is adjusted according to the shape and structure of the batch of air cylinders 1, the front fixing plate 2 is horizontally adjusted along the mounting hole 51, so that the distance between the front fixing plate 2 and the rear fixing plate 3 meets the clamping and fixing requirements of the air cylinders 1, and then the fastening nut 211 is screwed up to position the front fixing plate 2; then the air supply part 42 and the plugging part 43 are adjusted according to the number and the positions of the air guide joints 11 on the air cylinder 1;
illustratively, two air guide joints 11 are arranged on the outer wall of the air cylinder 1, so that an adjusting column 432 in one blocking part 43 can be rotated leftwards, so that the adjusting column 432 drives a sealing plug 433 to be accommodated in a containing groove 4312, the blocking part 43 does not work, and the installation of the air cylinder cannot be influenced; then, the positions of the first sliding seat 421 and the second sliding seat 431 are adjusted in the horizontal direction, so that the working air duct 422 and the sealing plug 433 are aligned with the two air duct joints 11, and the sliding seats are positioned by screwing on screws;
inserting an air cylinder 1 to be detected into the front fixing plate 2 and the rear fixing plate 3, enabling the air cylinder 1 to penetrate through the fixing holes 22, enabling the supporting plate 7 to support the air cylinder, enabling the air cylinder 1 to be blocked by the blocking plate, and meanwhile, rotating the turnover plate 41 upwards, and enabling the turnover plate 41 to drive the torsion spring 44 to contract; the turning plate 41 is loosened, the turning plate 41 is driven by the torsion spring 44 to rotate downwards quickly for resetting, when the turning plate is reset, the air guide pipe 422 and the sealing ring 423 are embedded into one air guide joint 11, and the sealing plug 433 is embedded into the other air guide joint 11, so that automatic sealing and air guide assembly are realized;
during detection, the pneumatic rod 6 drives the top plate to move downwards, so that the air storage cylinder 1 is immersed into the water storage tank 8, the external air compressor fills compressed air into the air guide pipe 422 through the air supply hose 9, then the air guide pipe 422 fills the compressed air into the air storage cylinder 1 through the air guide joint 11, standing and observation are carried out for 2-5min, if bubbles exist in water, leakage exists at the welding part of the air storage cylinder, and if no bubbles exist, leakage does not exist at the welding part of the air storage cylinder;
after the detection is finished, the pneumatic rod 6 moves upwards to leave the water storage tank, the turnover plate 41 rotates upwards, the air storage cylinder 1 is drawn outwards, and the detection can be finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. Magnadure gas receiver gas tightness detection device, its characterized in that: the air storage cylinder comprises a top plate (5), wherein the top surface of the top plate (5) is connected with a pneumatic rod (6), one end of the bottom surface of the top plate (5) is vertically provided with a front fixing plate (2), the other end of the bottom surface of the top plate (5) is vertically provided with a rear fixing plate (3), the front fixing plate (2) and the rear fixing plate (3) are arranged in a mirror symmetry mode, and the front fixing plate (2) and the rear fixing plate (3) are used for fixing air storage cylinders (1) from two ends;
the gas storage cylinder is characterized in that a plugging mechanism (4) is installed between the front fixing plate (2) and the rear fixing plate (3), the plugging mechanism (4) is arranged on the side portion of the gas storage cylinder (1) relatively, the plugging mechanism (4) comprises a turnover plate (41), a gas supply part (42) and a plugging part (43), two ends of the turnover plate (41) are respectively connected with the front fixing plate (2) and the rear fixing plate (3) in a rotating mode, a torsion spring (44) is installed at the rotating connection position of the turnover plate (41) and the front fixing plate (2) and the rear fixing plate (3), the gas supply part (42) and the plugging part (43) are installed inside the turnover plate (41), a gas guide joint (11) is installed on the side face of the gas storage cylinder (1), the gas supply part (42) and the plugging part (43) are both assembled with the gas guide joint (11) relatively, and the gas supply part (42) is used for, the plugging part (43) is used for plugging redundant air guide joints (11); the front fixing plate (2) and the rear fixing plate (3) are arranged at the top of the water storage tank (8).
2. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 1, characterized in that: the both ends symmetry of returning face plate (41) is equipped with rotary column (412), the outside of rotary column (412) has cup jointed torsional spring (44), slide opening (411) of rectangle are seted up to the inside of returning face plate (41), the inside slip of slide opening (411) is equipped with air feed part (42) with shutoff part (43).
3. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 2, characterized in that: air feed part (42) include first slide (421), air duct (422) and sealing ring (423), first slide (421) slidable mounting in the inside of slide opening (411), the side cross-section of first slide (421) is the I-shaped, the center department of first slide (421) is fixed to run through to have air duct (422), the one end intercommunication of air duct (422) has air supply hose (9), the other end assembly embedding of air duct (422) in the inside of air guide joint (11), air duct (422) with air guide joint (11) intercommunication, the other end outer wall cover of air duct (422) is equipped with sealing ring (423), sealing ring (423) embedding in air duct (422) with the junction of air guide joint (11).
4. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 2, characterized in that: plugging part (43) include second slide (431), regulation post (432) and sealing plug (433), second slide (431) slidable mounting in the inside of sliding hole (411), the side cross-section of second slide (431) is the I-shaped, regulation hole (4311) have been seted up to the center department of second slide (431), the internal thread connection of regulation hole (4311) regulation post (432), regulation post (432) are close to the one end of gas receiver (1) is equipped with sealing plug (433), sealing plug (433) imbed in the inside of air guide joint (11), sealing plug (433) are used for the shutoff air guide joint (11).
5. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 4, wherein: one end, close to the air cylinder (1), of the adjusting hole (4311) is provided with a containing groove (4312), the inner diameter of the containing groove (4312) is larger than that of the adjusting hole (4311), the maximum diameter of the sealing plug (433) is larger than that of the air guide joint (11), and the containing groove (4312) is used for containing the sealing plug (433) which does not work.
6. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 1, characterized in that: a supporting plate (7) is arranged between the front fixing plate (2) and the rear fixing plate (3), and the supporting plate (7) is arranged at the bottom of the air cylinder (1).
7. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 1, characterized in that: and a stop plate is arranged at the inner hole of the rear fixing plate (3).
8. The magnesium-aluminum alloy gas cylinder airtightness detection device according to claim 1, characterized in that: the top end of the front fixing plate (2) is vertically provided with a positioning stud (21), a rectangular mounting hole (51) is formed in the top plate (5), the positioning stud (21) penetrates through the mounting hole (51) in a sliding mode, and a locking nut (211) is sleeved outside the positioning stud (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373169.7A CN111678653B (en) | 2020-05-06 | 2020-05-06 | Air tightness detection device for magnesium-aluminum alloy air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373169.7A CN111678653B (en) | 2020-05-06 | 2020-05-06 | Air tightness detection device for magnesium-aluminum alloy air cylinder |
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| CN111678653A true CN111678653A (en) | 2020-09-18 |
| CN111678653B CN111678653B (en) | 2022-08-12 |
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| CN112945468A (en) * | 2021-03-29 | 2021-06-11 | 太仓黑箭智能工业科技有限公司 | Air tightness detection tool for aluminum alloy end cover |
| CN113488208A (en) * | 2021-07-29 | 2021-10-08 | 中国核动力研究设计院 | Working gas injection port plugging device for gas detector |
| CN113670526A (en) * | 2021-09-09 | 2021-11-19 | 芜湖福记恒机械有限公司 | Copper water jacket leakproofness check out test set |
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| CN113488208B (en) * | 2021-07-29 | 2023-11-24 | 中国核动力研究设计院 | Gas detector working gas injection port plugging device |
| CN113670526A (en) * | 2021-09-09 | 2021-11-19 | 芜湖福记恒机械有限公司 | Copper water jacket leakproofness check out test set |
| CN113670526B (en) * | 2021-09-09 | 2024-01-16 | 芜湖福记恒机械有限公司 | Copper water jacket tightness detection equipment |
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Denomination of invention: Gas tightness detection device for magnesium aluminum alloy gas storage cylinder Effective date of registration: 20230412 Granted publication date: 20220812 Pledgee: Feidong SME financing Company limited by guarantee Pledgor: HEFEI FENGHUA AUTOPARTS MANUFACTURE Co.,Ltd. Registration number: Y2023980037844 |