CN215262272U - Air spring cylinder air tightness detection leakage tester - Google Patents
Air spring cylinder air tightness detection leakage tester Download PDFInfo
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- CN215262272U CN215262272U CN202121748893.XU CN202121748893U CN215262272U CN 215262272 U CN215262272 U CN 215262272U CN 202121748893 U CN202121748893 U CN 202121748893U CN 215262272 U CN215262272 U CN 215262272U
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Abstract
The utility model relates to an air spring cylinder gas tightness detects leak tester, including frame mechanism, air feed subassembly, immersion fluid detection mechanism, pressure differential detection mechanism. The gas supply assembly comprises a gas source, a booster pump, an electromagnetic valve and a pressure reducing valve, the booster pump boosts the gas source into high-pressure gas, the gas supply is carried out through a gas supply pipeline, the pressure reducing valve is installed on the gas supply pipeline, the gas supply pipeline is provided with a plurality of branches, and the electromagnetic valves are installed respectively. The pressure difference detection mechanism comprises a guide rod, a supporting seat, a connecting block, a plug head and a supporting plate, the plug head is further mounted on the connecting block, the plug head is provided with a plurality of specifications and can be detached and replaced, the plug head comprises a conical connecting nozzle, and the conical connecting nozzle can be inserted into a cylinder barrel workpiece; the cylinder barrel workpiece is positioned between the plug head and the supporting block. The immersion liquid detection mechanism comprises a water tank, a lifting cylinder and an adjusting plate, and the lifting cylinder can drive the cylinder barrel workpiece to enter and exit the water tank. The utility model discloses one set of air feeder of sharing can simultaneous working also can detect the work alone.
Description
Technical Field
The utility model relates to a detecting instrument field specifically is an air spring cylinder gas tightness detects leakage tester.
Background
The air-tightness test is also called a tightness test or a waterproof test. Many products are tested for air tightness to achieve a certain level of water resistance or for safety.
At present, two methods are mainly used for testing the air tightness, one is an immersion method, and the other is a differential pressure method. The immersion method is characterized in that a sealing port of a product is blocked, the product is directly placed in water, gas is filled into an inflation hole of the product, whether bubbles emerge from the product or not is observed, if the bubbles emerge, the product is leaked, the more the bubbles emerge, the larger the bubbles are, and the larger the leakage amount is. The method for detecting the sealing performance of the product is visual, and the leakage point of the product can be observed. And in the differential pressure method, the product is sealed by using a tool clamp, and compressed air enters the interior of the tested product through the air tightness detector. And observing whether the value of the barometer is reduced or not through maintaining the pressure for a certain time.
The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. The principle is that inert gas or oil-gas mixture is filled in a closed cylinder barrel, so that the pressure in the cylinder barrel is several times or dozens of times higher than the atmospheric pressure, and the movement of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod being smaller than that of the piston. The cylinder barrel has high requirement on air tightness, which is a necessary inspection item, the existing detection mode needs to be provided with two testing machines for respectively carrying out liquid immersion method and pressure difference method detection, and each testing machine is provided with a set of air supply system, so that the cost is high. Meanwhile, the cylinder barrel is easy to leak or even fall off under the action of high-pressure air during testing, and the testing process is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the to-be-solved technical problem of the utility model is that, current air spring cylinder gas tightness detects, needs to be equipped with two test machines, has one set of air supply system certainly, and the cost is higher. Meanwhile, the cylinder barrel is unstable during testing, and the air tightness test is influenced.
The utility model provides a following technical scheme: a gas spring cylinder airtightness detection leakage tester comprises a frame mechanism, a gas supply assembly, an immersion liquid detection mechanism and a pressure difference detection mechanism,
the frame mechanism comprises a workbench, an upper support and a protective cover, the workbench is composed of sectional materials, adjustable support legs are arranged at the bottom of the workbench, and an immersion liquid detection mechanism and a pressure difference detection mechanism are arranged on the upper surface of the workbench; the upper bracket is arranged at the upper part of the workbench, the protective cover is arranged between the upper brackets to play a role of shielding,
the gas supply component comprises a gas source, a booster pump, an electromagnetic valve and a pressure reducing valve, the booster pump boosts the gas source into high-pressure gas and supplies the gas through a gas supply pipeline, the pressure reducing valve is arranged on the gas supply pipeline, the gas supply pipeline is provided with a plurality of branches, the branches are respectively provided with the electromagnetic valve,
the pressure difference detection mechanism comprises two guide rods, a support seat, a connecting block, a plug head and a supporting plate, and the two guide rods are vertically arranged on the workbench; the support plate is sleeved on the guide rod and can move up and down along the guide rod, a support block is arranged at the center of the upper part of the support plate, and a V-shaped groove is formed in the support block and matched with the bottom of the cylinder barrel workpiece; the lower surface of the supporting seat is provided with a connecting block, the connecting block is provided with a joint connected with an air supply pipeline of the air supply assembly, and a differential pressure tester is arranged between the air supply pipeline and the connecting block; the connecting block is also provided with a plug head, the plug head has a plurality of specifications and can be disassembled and replaced, the plug head comprises a conical connecting nozzle, and the conical connecting nozzle can be inserted with a cylinder barrel workpiece; the cylinder barrel workpiece is positioned between the plug head and the supporting block,
the immersion liquid detection mechanism comprises a water tank, a lifting cylinder and an adjusting plate, the water tank is arranged below the workbench, two symmetrical guide rods are arranged at the bottom of the supporting seat, the lifting cylinder is arranged on the supporting seat, a connecting block is detachably arranged on a piston rod of the lifting cylinder, a joint is arranged on the connecting block and connected with an air supply pipeline of the air supply assembly, a plug head is further arranged on the connecting block, the plug head has multiple specifications and can be detachably replaced, the plug head comprises a conical connecting nozzle, and the conical connecting nozzle can be spliced with a cylinder barrel workpiece; the adjusting plate is sleeved on the guide rod, an airplane hole through which a cylinder barrel workpiece can pass is formed in the center of the adjusting plate, a supporting plate is suspended below the adjusting plate through two extension rods, a supporting block is mounted in the center of the supporting plate, and the supporting block is provided with a V-shaped groove matched with the bottom of the cylinder barrel workpiece; the lifting cylinder can drive the cylinder barrel workpiece to enter and exit the water tank.
Further, the gas supply assembly is mounted on top of the upper bracket.
Further, the lower part of the workbench is provided with a box body, a box door can be opened and closed, and an electrical cabinet is arranged in the box body.
Further, the protection casing is transparent acrylic sheet.
Further, the differential pressure tester is a barometer or a differential pressure transmitter.
Further, the air source is an air tank or a nitrogen tank, and the booster pump regulates the pressure of the air source within 0-240 bar.
Furthermore, the inside anticorrosive treatment of water tank is provided with the drain pipe, discharges the water to the water tank through the drain valve.
Furthermore, hand-pull switches are arranged on an adjusting plate of the immersion liquid detection mechanism and a supporting plate of the differential pressure detection mechanism, and the adjusting plate, the supporting plate and the guide rod can be locked and loosened.
Compared with the prior art, the utility model provides an air spring cylinder gas tightness detects leak test machine possesses following beneficial effect:
1. the utility model discloses have two kinds of leak hunting modes: and the air tightness detection is carried out by an immersion method and a differential pressure method. The two detection modes share one detection platform, share one set of gas supply device, can work simultaneously or can work independently, the immersion method is provided with a lighting lamp, and is provided with a pressurizing gas circuit, an electromagnetic valve and the like, so that the respective advantages of the two methods are fully exerted, the conventional test requirements are met, and the occupied area is saved;
2. the utility model has a plurality of replaceable plugs, positioning blocks and clamps, and can meet the use requirements only by rapidly adjusting the corresponding positioning and clamping elements when changing varieties according to the difference of the diameter and the specification of the air spring cylinder;
3. the utility model discloses when the test, the cylinder bottom is provided with the locating piece, and locating piece and chock plug distance can be according to cylinder altitude mixture control, make the testing process more stable, avoid the influence that the chock plug leaked.
Drawings
FIG. 1 is a schematic front view of a gas spring cylinder airtightness detection leak tester of the present invention;
FIG. 2 is a schematic top view of the gas spring cylinder airtightness detection leak tester of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
FIG. 4 is an enlarged schematic view of portion B of FIG. 1;
fig. 5 is an enlarged schematic top view of the adjusting plate according to the present invention;
fig. 6 is an enlarged schematic sectional view of the various plugs of the present invention.
In the figure: 1. the device comprises a protective cover, 2, a workbench, 3, adjustable supporting legs, 4, a water tank, 5, a water discharging pipe, 6, a supporting plate, 7, an extension rod, 8, a supporting block, 9, an adjusting plate, 10, a supporting seat, 11, a cylinder barrel workpiece, 12, a lifting cylinder, 13, an air supply assembly, 14, a pressure difference tester, 15, a plug head, 16, a connecting block, 17 and a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a gas spring cylinder airtightness detection leakage tester includes a frame mechanism, a gas supply assembly 13, an immersion liquid detection mechanism, and a pressure difference detection mechanism.
The frame mechanism includes workstation 2, upper bracket, protection casing 1, and workstation 2 comprises the section bar, and adjustable stabilizer blade 3 is installed to the bottom, and 2 surface mounting on the workstation have immersion fluid detection mechanism, differential pressure detection mechanism. The upper bracket is arranged on the upper part of the workbench 2, the protective cover 1 is arranged between the upper brackets to play a role in shielding, and the protective cover 1 is a transparent acrylic plate. The lower part of the workbench 2 is provided with a box body, a door can be opened and closed, and an electrical cabinet is arranged in the box body.
The gas supply assembly 13 comprises a gas source, a booster pump, an electromagnetic valve and a pressure reducing valve, the booster pump boosts the gas source into high-pressure gas, the gas supply is carried out through a gas supply pipeline, the pressure reducing valve is installed on the gas supply pipeline, and the gas supply pipeline is provided with a plurality of branches and the electromagnetic valve is installed respectively. The gas supply assembly 13 is mounted on top of the upper bracket. The air source is an air tank or a nitrogen tank, and the booster pump regulates the pressure of the air source within 0-240 bar.
The pressure difference detection mechanism comprises two guide rods 17, a support seat 10, a connecting block 16, a plug head 15 and a supporting plate 6, and the two guide rods 17 are vertically arranged on the workbench 2. The supporting plate 6 is sleeved on the guide rod 17 and can move up and down along the guide rod 17, the supporting block 8 is installed at the center of the upper portion of the supporting plate 6, and the supporting block 8 is provided with a V-shaped groove matched with the bottom of the cylinder barrel workpiece 11. There is connecting block 16 supporting seat 10 lower surface mounting, connecting block 16 is provided with the pipe connection of supplying gas that connects and air feed assembly 13, installs differential pressure tester 14 between pipe and the connecting block 16 of supplying gas, differential pressure tester 14 is barometer or differential pressure transmitter. The plug head 15 is further installed to the connecting block 16, the plug head 15 has a plurality of specifications, can dismantle the change, and the plug head 15 includes the toper connector nozzle, the toper connector nozzle can be pegged graft with cylinder work piece 11. The cylinder work piece 11 is located between the plug 15 and the support block 8.
Immersion fluid detection mechanism includes water tank 4, lift cylinder 12, regulating plate 9, water tank 4 is installed under workstation 2, the inside anticorrosive treatment of water tank 4 is provided with drain pipe 5, drains through the drain valve to water tank 4. And an illuminating lamp is arranged on a supporting seat (10) of the immersion liquid detection mechanism and points to the inside of the water tank. Two symmetrical guide rods 17 are arranged at the bottom of the supporting seat 10, and a lifting cylinder 12 is arranged on the supporting seat 10.
Referring to fig. 3, a connecting block 16 is detachably mounted on a piston rod of the lifting cylinder 12, the connecting block 16 is provided with a joint connected with an air supply pipeline of the air supply assembly 13, a plug 15 is further mounted on the connecting block 16, referring to fig. 6, the plug 15 has multiple specifications and can be detachably replaced, and the plug 15 comprises a conical connecting nozzle which can be inserted into the cylinder workpiece 11. Referring to fig. 5, the adjusting plate 9 is sleeved on the guide rod 17, an airplane hole through which the cylinder workpiece 11 can pass is formed in the center of the adjusting plate 9, the supporting plate 6 is suspended below the adjusting plate 9 through two extension rods 7, a supporting block 8 is installed in the center of the supporting plate 6, and referring to fig. 4, the supporting block 8 is provided with a V-shaped groove matched with the bottom of the cylinder workpiece 11; the lifting cylinder 12 can drive the cylinder barrel workpiece 11 to enter and exit the water tank 4.
Hand-pull switches are arranged on an adjusting plate 9 of the immersion liquid detection mechanism and a supporting plate 6 of the differential pressure detection mechanism, and the adjusting plate 9, the supporting plate 6 and the guide rod 17 can be locked and loosened.
The utility model discloses a theory of operation:
the economy is one of the keys of selecting the air tightness detection leak tester, and the utility model is mainly used for the air tightness detection test of the air spring cylinder; the device has two leak detection modes: 1) an immersion method air tightness detection device; 2) pressure difference method airtight detection device. Two kinds of detection device share a testing platform, share a set of air feeder, can simultaneous working also can detect work alone. The utility model discloses have many sets of anchor clamps, every set of anchor clamps body clamping air spring cylinder, when changing the variety, only need corresponding location of quick adjustment and clamping piece to satisfy operation requirement. The machine tool is of a single-sided structure, and the periphery of the machine tool is sealed and protected. The pressing device is driven by a pneumatic element; during detection, the cylinder barrel is sealed firstly, and then high-pressure gas is filled in the cylinder barrel.
When the immersion method air tightness detection device detects, the clamp is automatically immersed in the transparent test solution, and the leakage condition is observed by naked eyes. When the pressure difference method is used for detecting the airtightness, the pressure is maintained for a certain time, the pressure of the filled gas and the specific pressure maintaining time are determined by a requirement, and the airtightness and the leakage value of the cylinder barrel are determined through pressure loss. The utility model discloses service environment temperature: the length range of the cylinder barrel of the gas spring is wider at 5-40 ℃.
In summary, the following steps: the utility model discloses one set of air feeder of sharing can simultaneous working also can detect work alone, and the immersion fluid method is provided with the light to set up pressure boost gas circuit, solenoid valve etc. the respective advantage of two kinds of methods of full play satisfies conventional test requirement, practices thrift area.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an air spring cylinder gas tightness detects leak test machine which characterized in that: comprises a frame mechanism, an air supply component (13), an immersion liquid detection mechanism and a pressure difference detection mechanism,
the frame mechanism comprises a workbench (2), an upper support and a protective cover (1), the workbench (2) is composed of sectional materials, adjustable support legs (3) are installed at the bottom of the workbench (2), and an immersion liquid detection mechanism and a differential pressure detection mechanism are installed on the upper surface of the workbench (2); the upper bracket is arranged at the upper part of the workbench (2), the protective cover (1) is arranged between the upper brackets for shielding,
the gas supply component (13) comprises a gas source, a booster pump, an electromagnetic valve and a pressure reducing valve, the booster pump boosts the gas source into high-pressure gas and supplies the gas through a gas supply pipeline, the pressure reducing valve is arranged on the gas supply pipeline, the gas supply pipeline is provided with a plurality of branches, the branches are respectively provided with the electromagnetic valve,
the pressure difference detection mechanism comprises two guide rods (17), a support seat (10), a connecting block (16), a plug head (15) and a supporting plate (6), and the two guide rods (17) are vertically arranged on the workbench (2); the support plate (6) is sleeved on the guide rod (17) and can move up and down along the guide rod (17), a support block (8) is installed at the center of the upper part of the support plate (6), and the support block (8) is provided with a V-shaped groove matched with the bottom of the cylinder barrel workpiece (11); the lower surface of the supporting seat (10) is provided with a connecting block (16), the connecting block (16) is provided with a joint which is connected with an air supply pipeline of the air supply assembly (13), and a differential pressure tester (14) is arranged between the air supply pipeline and the connecting block (16); the connecting block (16) is also provided with a plug head (15), the plug head (15) has a plurality of specifications and can be detached and replaced, the plug head (15) comprises a conical connecting nozzle, and the conical connecting nozzle can be inserted into the cylinder barrel workpiece (11); the cylinder barrel workpiece (11) is positioned between the plug head (15) and the supporting block (8),
the immersion liquid detection mechanism comprises a water tank (4), a lifting cylinder (12) and an adjusting plate (9), wherein the water tank (4) is installed below a workbench (2), two symmetrical guide rods (17) are installed at the bottom of a supporting seat (10), the lifting cylinder (12) is installed on the supporting seat (10), a connecting block (16) is detachably installed on a piston rod of the lifting cylinder (12), a connector is arranged on the connecting block (16) and connected with an air supply pipeline of an air supply assembly (13), a plug head (15) is further installed on the connecting block (16), the plug head (15) has multiple specifications and can be detachably replaced, the plug head (15) comprises a conical connecting nozzle, and the conical connecting nozzle can be inserted into a cylinder barrel workpiece (11); the adjusting plate (9) is sleeved on the guide rod (17), an airplane hole through which a cylinder barrel workpiece (11) can pass is formed in the center of the adjusting plate, a supporting plate (6) is suspended below the adjusting plate (9) through two extension rods (7), a supporting block (8) is installed in the center of the supporting plate (6), and a V-shaped groove formed in the supporting block (8) is matched with the bottom of the cylinder barrel workpiece (11); the lifting cylinder (12) can drive the cylinder barrel workpiece (11) to enter and exit the water tank (4).
2. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: the air supply assembly (13) is arranged on the top of the upper bracket.
3. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: the lower part of the workbench (2) is provided with a box body, a box door can be opened and closed, and an electric cabinet is arranged in the box body.
4. A gas spring cylinder gas tightness detection leak tester as claimed in claim 1 or 2, characterized in that: the protective cover (1) is a transparent acrylic plate.
5. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: the differential pressure tester (14) is a barometer or a differential pressure transmitter.
6. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: the air source is an air tank or a nitrogen tank, and the booster pump regulates the pressure of the air source within 0-240 bar.
7. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: the inside of the water tank (4) is subjected to anti-corrosion treatment and is provided with a drain pipe (5), and the water is discharged from the water tank (4) through the drain valve.
8. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: and hand-pull switches are arranged on an adjusting plate (9) of the immersion liquid detection mechanism and a supporting plate (6) of the differential pressure detection mechanism, and the adjusting plate (9), the supporting plate (6) and the guide rod (17) can be locked and released.
9. The gas spring cylinder airtightness detection leak tester according to claim 1, characterized in that: and an illuminating lamp is arranged on a supporting seat (10) of the immersion liquid detection mechanism and points to the inside of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121748893.XU CN215262272U (en) | 2021-07-29 | 2021-07-29 | Air spring cylinder air tightness detection leakage tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121748893.XU CN215262272U (en) | 2021-07-29 | 2021-07-29 | Air spring cylinder air tightness detection leakage tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262272U true CN215262272U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121748893.XU Active CN215262272U (en) | 2021-07-29 | 2021-07-29 | Air spring cylinder air tightness detection leakage tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262272U (en) |
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2021
- 2021-07-29 CN CN202121748893.XU patent/CN215262272U/en active Active
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Effective date of registration: 20230814 Address after: 116600 room 813, free trade building, Dalian Free Trade Zone, Liaoning Province Patentee after: Dalian Xunzhan Technology Co.,Ltd. Address before: 224042 Yannan electromechanical Industrial Park (No. 3, Weisi Road), Gangzhong sub district office, Yandu District, Yancheng City, Jiangsu Province Patentee before: YANCHENG XINHAICHUAN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |