CN220356616U - Hydraulic oil tank gas tightness detection device - Google Patents
Hydraulic oil tank gas tightness detection device Download PDFInfo
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- CN220356616U CN220356616U CN202322128020.4U CN202322128020U CN220356616U CN 220356616 U CN220356616 U CN 220356616U CN 202322128020 U CN202322128020 U CN 202322128020U CN 220356616 U CN220356616 U CN 220356616U
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- fixedly connected
- detection device
- hydraulic oil
- oil tank
- tightness detection
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 5
- 241000252254 Catostomidae Species 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 27
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model relates to the technical field of air tightness detectors, in particular to a hydraulic oil tank air tightness detection device, which comprises a detector main body, wherein a hydraulic cylinder is fixedly arranged in the detector main body, the telescopic end of the hydraulic cylinder is fixedly connected with an upper template, and the bottom of the upper template is fixedly connected with an air injection pipe, and the air tightness detection device has the beneficial effects that: can directly continue to seal to hydraulic tank through sealed lid, improved the convenience, and can follow hydraulic tank's inside through the rubber gasbag and block up the oilhole, improved hydraulic tank's leakproofness, and the rubber gasbag can also expand gradually in certain limit to can satisfy not unidimensional hydraulic tank's oilhole, improve the practicality, compare with prior art, this hydraulic tank gas tightness detection device need not to change sealing member such as rubber circle can seal up the hydraulic tank of different specifications, also improved detection efficiency when bringing convenience for the staff.
Description
Technical Field
The utility model relates to the technical field of air tightness detectors, in particular to an air tightness detection device for a hydraulic oil tank.
Background
The hydraulic tank is a container for loading hydraulic oil for storage and circulation of the hydraulic system. It is made of various materials such as steel plate, stainless steel, aluminum alloy, plastic or glass fiber reinforced plastic. Hydraulic tanks are often used for the operation of hoisting equipment, hydraulic machinery and oil hydraulic transmission systems, as well as hydraulic transmission systems and the like. They can provide sufficient oil capacity and constant pressure to meet the system requirements, and at present, the hydraulic oil tanks need to be subjected to air tightness test after production so as to ensure that they can normally operate and avoid oil leakage. The air tightness test is to measure the pressure of the oil tank by using a pressure gauge, and the air pressure inside the oil tank can be detected by injecting air into the oil tank and comparing the air pressure, so that the damage to the hydraulic oil tank can be reduced compared with the water leakage detection method by using the air pressure difference detection method.
According to the Chinese patent CN202021068642.2, the sealing rubber plug can be driven to move up and down through rotating the threaded rod, the sealing rubber plug is sleeved and inserted into the oil inlet hole of the automobile oil tank, the sealing rubber plug is sealed, water in the water storage tank permeates into the automobile oil tank during a sealing test, the sealing rubber plug can slide in the sliding groove through the telescopic outer tube and the sliding block at the top end, and the flexible adjusting position can enable the sealing rubber plug to be matched with the oil inlet holes of the oil tanks with different specifications.
Disclosure of Invention
To above-mentioned problem, this application provides a hydraulic tank gas tightness detection device, has solved mentioning among the above-mentioned background art, and at present want to seal the hydraulic tank of different specifications, need frequently change sealing member such as rubber circle, sealed pad, and this kind of installation testing process is loaded down with trivial details, leads to the lower problem of detection efficiency:
the utility model provides a hydraulic tank gas tightness detection device, includes the detector main part, the inside fixed mounting of detector main part has the pneumatic cylinder, the telescopic end fixedly connected with cope match-plate pattern of pneumatic cylinder, the bottom fixedly connected with gas injection pipe of cope match-plate pattern, the inside fixedly connected with post core of gas injection pipe, the inside rotation of post core is connected with a plurality of lead screws, every the equal threaded connection of outer wall of lead screw has the slider, one side fixedly connected with mounting disc of slider, one side fixedly connected with rubber gasbag of mounting disc, the rubber gasbag communicates with each other with the inner chamber of post core, the inside fixedly connected with motor of post core, the one end of motor output shaft and one of them lead screw one end fixedly connected with, the outer wall of lead screw is equipped with the hold-in range, a plurality of the lead screw is all connected through the hold-in range transmission.
Further, the outer wall sliding connection of annotating the trachea has the slide, the outer wall fixedly connected with sealed lid of post core, the inside fixedly connected with of slide a plurality of springs, every the other end of spring all with sealed lid fixed connection.
Further, the inside fixedly connected with fixing base of detector main part, the fixing base is located the below of cope match-plate pattern, the inside of fixing base is equipped with hydraulic tank.
Further, the column core is communicated with the inner cavity of the gas injection pipe, and a plurality of through holes are formed in the column core.
Further, the inside fixedly connected with miniature solenoid valve of rubber gasbag, the one end of miniature solenoid valve is located the outside of rubber gasbag.
Further, a plurality of suckers are fixedly arranged at the bottom of the detector main body.
Further, the gas injection pipe is fixedly connected to the bottom of the upper template through bolts.
Further, the number of the springs is five, and the five springs are uniformly distributed between the sliding plate and the sealing cover.
The beneficial effects of the utility model are as follows:
(1) According to the hydraulic oil tank air tightness detection device, the hydraulic oil tank can be directly sealed through the sealing cover, convenience is improved, the oil hole can be blocked from the inside of the hydraulic oil tank through the rubber air bag, the sealing performance of the hydraulic oil tank is improved, the rubber air bag can be gradually expanded in a certain range, so that the oil holes of the hydraulic oil tanks with different sizes can be met, practicability is improved, and compared with the prior art, the hydraulic oil tank air tightness detection device can seal the hydraulic oil tanks with different specifications without replacing sealing elements such as rubber rings, and meanwhile, the detection efficiency is improved.
(2) According to the hydraulic oil tank air tightness detection device, after the sealing cover contacts the oil hole, if the oil hole of the hydraulic oil tank is provided with the boss, the sliding plate plugs one end of the boss to carry out secondary sealing, so that the sealing effect on the hydraulic oil tank is improved, the spring is arranged, the bosses with different heights can be met, and the application range of the hydraulic oil tank air tightness detection device is enlarged.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure provided by the present utility model;
FIG. 2 is a schematic view of an internal structure provided by the present utility model;
FIG. 3 is a schematic view of the structure of the gas injection pipe part provided by the utility model;
FIG. 4 is a cross-sectional view of the portion of the filler neck provided in the present utility model for sealing the hydraulic tank;
FIG. 5 is a cross-sectional view of a portion of an insufflation tube provided by the present utility model;
fig. 6 is a schematic structural view of a screw rod part provided by the utility model;
fig. 7 is a top cross-sectional view of a post core portion provided by the present utility model.
In the figure: 1. a detector body; 2. an upper template; 3. a fixing seat; 4. an air injection pipe; 5. a hydraulic cylinder; 6. a synchronous belt; 7. a slide plate; 8. a spring; 9. sealing cover; 10. a column core; 11. a screw rod; 12. a rubber air bag; 13. a miniature electromagnetic valve; 14. a slide block; 15. a motor; 16. and (5) mounting a disc.
Description of the embodiments
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
As shown in fig. 1-7, the embodiment of the utility model provides a hydraulic oil tank air tightness detection device, which comprises a detector main body 1, wherein a hydraulic cylinder 5 is fixedly installed in the detector main body 1, a telescopic end of the hydraulic cylinder 5 is fixedly connected with an upper template 2, the bottom of the upper template 2 is fixedly connected with an air injection pipe 4, the inside of the air injection pipe 4 is fixedly connected with a column core 10, a plurality of screw rods 11 are rotatably connected in the column core 10, the outer wall of each screw rod 11 is in threaded connection with a sliding block 14, one side of the sliding block 14 is fixedly connected with a mounting disc 16, one side of the mounting disc 16 is fixedly connected with a rubber air bag 12, the rubber air bag 12 is communicated with the inner cavity of the column core 10, the column core 10 is communicated with the inner cavity of the air injection pipe 4, a plurality of through holes are formed in the column core 10, a motor 15 is fixedly installed in the column core 10, one end of an output shaft of the motor 15 is fixedly connected with one end of one screw rod 11, the outer wall of the screw rod 11 is provided with a synchronous belt 6, a plurality of screw rods 11 are all connected through the transmission of the synchronous belt 6, the inside of the detector main body 1 is fixedly connected with a fixed seat 3, the fixed seat 3 is positioned below the upper template 2, the inside of the fixed seat 3 is provided with a hydraulic oil tank, the outer wall of the gas injection pipe 4 is slidingly connected with a sliding plate 7, the outer wall of the column core 10 is fixedly connected with a sealing cover 9, after the sealing cover 9 seals an oil hole, the upper template 2 drives the gas injection pipe 4 to descend through the operation of the hydraulic cylinder 5, wherein the sealing cover 9 contacts the oil hole and seals the oil hole, the column core 10 is inserted into the hydraulic oil tank, a motor 15 in the column core 10 operates to drive the screw rod 11 to rotate, the synchronous belt 6 is utilized to drive other screw rods 11 to synchronously rotate, so that a sliding block 14 in threaded connection slides in the column core 10, after the through hole that the post core 10 was offered is slided to the slider 14, can begin to inject gas into the hydraulic tank, some gas can enter into in the rubber gasbag 12 through slider 14 and mounting disc 16 from the post core 10, make rubber gasbag 12 expand gradually (rubber gasbag 12 just no longer expands after expanding to a certain extent), during, rubber gasbag 12 can plug the oilhole from the inside of hydraulic tank, cooperation sealed lid 9, carry out the comprehensive seal to the hydraulic tank, after the atmospheric pressure keeps stable, detect its inside atmospheric pressure and contrast can, wherein, rubber gasbag 12 can expand gradually in certain extent, thereby can satisfy the oilhole of hydraulic tank of equidimension not, the practicality is improved, need not to change sealing member such as rubber circle and can seal the hydraulic tank of different specifications, bring convenience for the staff, detection efficiency has been improved.
In this embodiment, the timing belt 6 is connected to four screw rods 11 through pulleys, which are not described in detail herein.
The inside fixedly connected with a plurality of springs 8 of slide 7, the other end of every spring 8 all is with sealed lid 9 fixed connection, the quantity of spring 8 is five, five springs 8 evenly distributed are between slide 7 and sealed lid 9, after sealed lid 9 contacts the oilhole, if this oilhole department of hydraulic tank has the boss, then slide 7 just plugs up the one end of boss, carry out secondary seal, increase the sealed effect to hydraulic tank, and the setting up of spring 8, can satisfy the boss of different height, the application scope of this hydraulic tank gas tightness detection device has been increased, the inside fixedly connected with miniature solenoid valve 13 of rubber gasbag 12, the one end of miniature solenoid valve 13 is located the outside of rubber gasbag 12, through opening miniature solenoid valve 13, can release the inside gas of rubber gasbag 12, specifically, first through the reversal of motor 15, break away from the rubber gasbag 12 to hydraulic tank's seal, rethread pneumatic cylinder 5 drives gas filling pipe 4 and column core 10 upward movement, make sealed lid 9 remove the sealing to the hydraulic tank, then continue upwards, rubber gasbag 12 can remove with the oilhole department and receive the extrusion, thereby get rid of inside gas through miniature solenoid valve 13, detect the bottom of the fixed connection instrument 2 in the bottom of the flexible disc 1 is fixed with the bottom of the flexible disc, the flexible disc is installed to the bottom of the flexible disc is convenient for the installation.
The specific working mode is as follows:
when the hydraulic oil tank is used, firstly, a hydraulic oil tank which needs to be subjected to air tightness detection is placed on a fixed seat 3 for fixation, then, the hydraulic cylinder 5 is operated, so that an upper die plate 2 drives an air injection pipe 4 to descend, wherein a sealing cover 9 can contact an oil hole and seal the oil hole, a column core 10 is inserted into the hydraulic oil tank, in addition, after the sealing cover 9 contacts the oil hole, if a boss is arranged at the oil hole of the hydraulic oil tank, a sliding plate 7 blocks one end of the boss, secondary sealing is performed, the sealing effect on the hydraulic oil tank is improved, and the setting of a spring 8 can be satisfied with bosses with different heights, so that the application range of the hydraulic oil tank air tightness detection device is increased;
after the oil hole is sealed by the sealing cover 9, the motor 15 in the column core 10 operates to drive the screw rod 11 to rotate, so that the sliding block 14 in threaded connection slides in the column core 10, after the sliding block 14 slides to the through hole formed in the column core 10, gas can be injected into the hydraulic oil tank, a part of gas can enter the rubber air bag 12 from the column core 10 through the sliding block 14 and the mounting plate 16, so that the rubber air bag 12 is gradually expanded (the rubber air bag 12 is not expanded after being expanded to a certain degree), during the period, the rubber air bag 12 can block the oil hole from the inside of the hydraulic oil tank, the hydraulic oil tank is fully sealed by matching with the sealing cover 9 until the air pressure is kept stable, the air pressure in the hydraulic oil tank is detected and compared, after the detection is finished, the gas in the rubber air bag 12 can be discharged by opening the micro electromagnetic valve 13, the rubber air bag 12 is separated from the sealing of the hydraulic oil tank by the reverse rotation of the motor 15, the air injection pipe 4 and the column core 10 are driven to move upwards by the hydraulic cylinder 5, the sealing cover 9 releases the sealing of the hydraulic oil tank, and then the rubber air bag 12 is released from the oil hole and extruded, so that the internal gas is discharged through the miniature electromagnetic valve 13, compared with the prior art, the hydraulic oil tank air tightness detection device can directly seal the hydraulic oil tank continuously through the sealing cover 9, the convenience is improved, the oil hole can be blocked from the inside of the hydraulic oil tank through the rubber air bag 12, the sealing performance of the hydraulic oil tank is improved, the rubber air bag 12 can be gradually expanded in a certain range, the oil holes of the hydraulic oil tanks with different sizes can be met, the practicability is improved, the hydraulic oil tanks with different specifications can be sealed without replacing sealing elements such as rubber rings, convenience is brought to staff, and the detection efficiency is improved.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a hydraulic tank gas tightness detection device, includes detector main part (1), its characterized in that: the inside fixed mounting of detector main part (1) has pneumatic cylinder (5), the flexible end fixedly connected with cope match-plate pattern (2) of pneumatic cylinder (5), the bottom fixedly connected with gas injection tube (4) of cope match-plate pattern (2), the inside fixedly connected with post core (10) of gas injection tube (4), the inside rotation of post core (10) is connected with a plurality of lead screws (11), every the equal threaded connection of outer wall of lead screw (11) has slider (14), one side fixedly connected with mounting disc (16) of slider (14), one side fixedly connected with rubber gasbag (12) of mounting disc (16), the inner chamber of rubber gasbag (12) and post core (10) communicates with each other, the inside fixedly connected with motor (15) of post core (10), the one end of motor (15) output shaft and the one end fixedly connected with one of a plurality of lead screws (11), the outer wall of lead screw (11) is equipped with hold-in range (6), a plurality of lead screws (11) are all connected through hold-in range (6) transmission.
2. The hydraulic oil tank tightness detection device according to claim 1, wherein: the outer wall sliding connection of gas injection pipe (4) has slide (7), the outer wall fixedly connected with sealed lid (9) of post core (10), the inside fixedly connected with of slide (7) is a plurality of springs (8), every the other end of spring (8) all with sealed lid (9) fixed connection.
3. The hydraulic oil tank tightness detection device according to claim 2, wherein: the inside fixedly connected with fixing base (3) of detector main part (1), fixing base (3) are located the below of cope match-plate pattern (2), the inside of fixing base (3) is equipped with hydraulic tank.
4. The hydraulic oil tank tightness detection device according to claim 2, wherein: the column core (10) is communicated with the inner cavity of the gas injection pipe (4), and a plurality of through holes are formed in the column core (10).
5. The hydraulic oil tank tightness detection device according to claim 1, wherein: the inside fixedly connected with miniature solenoid valve (13) of rubber gasbag (12), the one end of miniature solenoid valve (13) is located the outside of rubber gasbag (12).
6. The hydraulic oil tank tightness detection device according to claim 1, wherein: the bottom of the detector main body (1) is fixedly provided with a plurality of suckers.
7. The hydraulic oil tank tightness detection device according to claim 1, wherein: the gas injection pipe (4) is fixedly connected to the bottom of the upper template (2) through bolts.
8. The hydraulic oil tank tightness detection device according to claim 2, wherein: the number of the springs (8) is five, and the five springs (8) are uniformly distributed between the sliding plate (7) and the sealing cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128020.4U CN220356616U (en) | 2023-08-09 | 2023-08-09 | Hydraulic oil tank gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128020.4U CN220356616U (en) | 2023-08-09 | 2023-08-09 | Hydraulic oil tank gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356616U true CN220356616U (en) | 2024-01-16 |
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ID=89505384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322128020.4U Active CN220356616U (en) | 2023-08-09 | 2023-08-09 | Hydraulic oil tank gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356616U (en) |
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2023
- 2023-08-09 CN CN202322128020.4U patent/CN220356616U/en active Active
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