CN213655315U - Novel hydraulic cylinder internal leakage testing device - Google Patents
Novel hydraulic cylinder internal leakage testing device Download PDFInfo
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- CN213655315U CN213655315U CN202022533496.2U CN202022533496U CN213655315U CN 213655315 U CN213655315 U CN 213655315U CN 202022533496 U CN202022533496 U CN 202022533496U CN 213655315 U CN213655315 U CN 213655315U
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Abstract
The utility model discloses a novel leak testing in pneumatic cylinder device, the on-line screen storage device comprises a base, the top fixedly connected with support frame of base, the top intermediate position fixedly connected with hydraulic rod of support frame, hydraulic rod's piston end runs through the top of support frame and extends to bottom side and fixedly connected with clamp plate, and hydraulic rod's piston end is located the top center department of clamp plate, the equal fixedly connected with side mount in top both sides of base, two one side that the support frame was kept away from to the side mount all is provided with the motor side bearer, two the equal fixedly connected with driving motor of one end center department, two of side mount is kept away from to the motor side bearer the equal fixedly connected with drive screw of driving motor's the equal fixedly. The utility model discloses in, through setting up the additional localization mechanism to the pneumatic cylinder that awaits measuring to avoid effectively waiting to measure the pneumatic cylinder by the pressure incline when the test, and then be favorable to reducing the test error.
Description
Technical Field
The utility model relates to a pneumatic cylinder detects technical field, especially relates to novel leak test in pneumatic cylinder device.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston; the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable;
at present, the existing testing device for detecting whether the hydraulic cylinder leaks has the problem that the bottom end of the hydraulic cylinder to be tested is unstable in positioning and easy to deflect when in use, so that errors are increased for testing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the novel leak test in pneumatic cylinder that proposes device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the novel hydraulic cylinder internal leakage testing device comprises a base, wherein a supporting frame is fixedly connected to the top end of the base, a hydraulic push rod is fixedly connected to the middle position of the top end of the supporting frame, the piston end of the hydraulic push rod penetrates through the top end of the supporting frame and extends to the bottom side and is fixedly connected with a pressing plate, the piston end of the hydraulic push rod is located at the center of the top end of the pressing plate, side fixing frames are fixedly connected to two sides of the top of the base, motor side frames are arranged on one sides of the two side fixing frames away from the supporting frame, driving motors are fixedly connected to the centers of the ends of the two motor side frames away from the side fixing frames, the output ends of the two driving motors are fixedly connected with transmission screws, the transmission screws penetrate through the side walls of the motor side frames and are in threaded connection with the, and a displacement sensor is arranged on one side of the top end of the base, which corresponds to the edge of the pressing plate.
As a further description of the above technical solution:
and a positioning groove is formed in the position, corresponding to the center of the pressing plate, of the top end of the base.
As a further description of the above technical solution:
the inboard embedding of constant head tank is provided with the pneumatic cylinder that awaits measuring, and waits to measure the pneumatic cylinder and be located between two location splint, lateral wall bottom one side of the pneumatic cylinder that awaits measuring is provided with the hydro-cylinder valve.
As a further description of the above technical solution:
the outer side walls of the two positioning clamping plates are fixedly connected with a plurality of limiting supporting rods at positions close to the transmission screw, and the limiting supporting rods are connected with the motor side frame and the side fixing frame in a sliding mode.
As a further description of the above technical solution:
one side of the top end of the base, which is far away from the displacement sensor, is embedded with an oil supply device in a sliding manner.
As a further description of the above technical solution:
and an oil guide pipe is fixedly connected to the bottom side oil outlet end of the oil supply device and is a metal hard pipe.
The utility model discloses following beneficial effect has:
1. this novel leak test in pneumatic cylinder device is through setting up the enhancement location structure to the pneumatic cylinder that awaits measuring to avoid waiting to measure the pneumatic cylinder effectively and pressed the incline when the test, and then be favorable to reducing the test error.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is a top view of the positioning clamp plate of the present invention.
Illustration of the drawings: 1. a base; 2. positioning a groove; 3. a support frame; 4. a hydraulic push rod; 5. pressing a plate; 6. a displacement sensor; 7. a side fixing frame; 8. a motor side frame; 9. a drive motor; 10. a limit strut; 11. a drive screw; 12. positioning the clamping plate; 13. a hydraulic cylinder to be tested; 14. a cylinder valve; 15. an oil supply device; 16. and an oil guide pipe.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a novel hydraulic cylinder internal leakage testing device comprises a base 1, wherein a supporting frame 3 is fixedly connected to the top end of the base 1, a hydraulic push rod 4 is fixedly connected to the middle position of the top end of the supporting frame 3, the piston end of the hydraulic push rod 4 penetrates through the top end of the supporting frame 3 to extend to the bottom side and is fixedly connected with a pressing plate 5, the piston end of the hydraulic push rod 4 is positioned at the center of the top end of the pressing plate 5, side fixing frames 7 are fixedly connected to two sides of the top of the base 1, motor side frames 8 are arranged on one sides of the two side fixing frames 7 far away from the supporting frame 3, driving motors 9 are fixedly connected to the centers of the ends of the two motor side frames 8 far away from the side fixing frames 7, transmission screws 11 are fixedly connected to output ends of the two driving motors 9, the transmission screws 11 penetrate through the side walls of the motor side frames 8 and are, and a displacement sensor 6 is arranged on one side of the top end of the base 1 corresponding to the edge of the pressure plate 5.
A positioning groove 2 is formed in the position, corresponding to the center of the pressing plate 5, of the top end of the base 1, so that the hydraulic cylinder 13 to be tested which is just placed on the base 1 can be initially positioned; a hydraulic cylinder 13 to be tested is embedded into the inner side of the positioning groove 2, the hydraulic cylinder 13 to be tested is positioned between the two positioning clamping plates 12, a cylinder valve 14 is arranged on one side of the bottom of the outer side wall of the hydraulic cylinder 13 to be tested, the hydraulic cylinder valve 14 is convenient to control the hydraulic oil in the hydraulic cylinder 13 to be tested to enter and exit, and the hydraulic oil can be prevented from being extruded out of the cylinder body through an oil filling port of the hydraulic cylinder 13 to be tested during testing; the outer side walls of the two positioning clamping plates 12 close to the transmission screw 11 are fixedly connected with a plurality of limiting supporting rods 10, and the limiting supporting rods 10 are embedded in sliding connection with the motor side frame 8 and the side fixing frame 7, so that the motor side frame 8 can be supported and limited through the limiting supporting rods 10; an oil supply device 15 is embedded into one side of the top end of the base 1, which is far away from the displacement sensor 6, and is connected with the base in a sliding manner, so that oil can be conveniently supplied to the hydraulic cylinder 13 to be measured through the oil supply device 15; an oil guide pipe 16 is fixedly connected to the oil outlet end of the bottom side of the oil supply device 15, the oil guide pipe 16 is a metal hard pipe, the oil guide pipe 16 can be conveniently communicated with the oil supply device 15 and the hydraulic cylinder 13 to be tested, and meanwhile, the hard pipe can be arranged to prevent the pipeline from being bulged by hydraulic pressure so as to avoid influencing the oil supply precision.
The working principle is as follows: when the novel hydraulic cylinder internal leakage testing device is used, the hydraulic cylinder 13 to be tested is embedded into the positioning groove 2 of the base 1 so as to perform primary positioning on the hydraulic cylinder 13 to be tested, then the driving motors 9 on the motor side frames 8 at two sides are started, the driving screw 11 gradually drives the positioning clamping plates 12 to gradually move towards the hydraulic cylinder 13 to be tested under the limit of the limit supporting rods 10 until the hydraulic cylinder 13 to be tested is clamped by the positioning clamping plates 12 at two sides, so that the hydraulic cylinder 13 to be tested is effectively prevented from being pressed and deflected during testing, further the testing error is favorably reduced, then the oil cylinder valve 14 is opened and the oil guide pipe 16 is connected onto the oil cylinder valve 14, then the hydraulic oil is quantitatively injected into the hydraulic cylinder 13 to be tested through the oil supply device 15, the piston rod of the hydraulic cylinder 13 to be tested reaches the set height, then the oil cylinder valve 14 is closed, the oil guide pipe 16 is, the hydraulic push rod 4 continuously applies pressure to the piston rod of the hydraulic cylinder 13 to be tested through the pressure plate 5, then the pressure plate 5 is detected through the displacement sensor 6 to perform displacement detection within a specified time, if the displacement of the pressure plate 5 in the process of applying pressure to the piston rod of the hydraulic cylinder 13 to be tested indicates that the hydraulic cylinder 13 to be tested has leakage, otherwise, the hydraulic cylinder 13 to be tested is normal, and certain practicability is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. The utility model provides a novel leak testing in pneumatic cylinder device, includes base (1), its characterized in that: the top end of the base (1) is fixedly connected with a support frame (3), the top middle position of the support frame (3) is fixedly connected with a hydraulic push rod (4), the piston end of the hydraulic push rod (4) penetrates through the top end of the support frame (3) to extend to the bottom side and is fixedly connected with a pressing plate (5), the piston end of the hydraulic push rod (4) is positioned at the top center of the pressing plate (5), both sides of the top of the base (1) are fixedly connected with side fixing frames (7), one sides of the two side fixing frames (7) far away from the support frame (3) are respectively provided with a motor side frame (8), the centers of the two ends of the two motor side frames (8) far away from the side fixing frames (7) are respectively and fixedly connected with driving motors (9), the output ends of the two driving motors (9) are respectively and fixedly connected with a transmission screw rod (11), and the transmission screw rods (11) penetrate through the side, one side of each transmission screw rod (11) far away from the motor side frame (8) is embedded into a positioning clamping plate (12) in a rotating mode, and one side, corresponding to the edge of the pressing plate (5), of the top end of the base (1) is provided with a displacement sensor (6).
2. The novel hydraulic cylinder internal leakage testing device according to claim 1, characterized in that: the top end of the base (1) is provided with a positioning groove (2) corresponding to the center of the pressing plate (5).
3. The novel hydraulic cylinder internal leakage testing device according to claim 2, characterized in that: the inboard embedding of constant head tank (2) is provided with pneumatic cylinder (13) that awaits measuring, and waits to measure pneumatic cylinder (13) and be located between two locating splint (12), lateral wall bottom one side of pneumatic cylinder (13) that awaits measuring is provided with hydro-cylinder valve (14).
4. The novel hydraulic cylinder internal leakage testing device according to claim 1, characterized in that: the outer side wall of each positioning clamping plate (12) is close to the position of the transmission screw rod (11) and is fixedly connected with a plurality of limiting supporting rods (10), and the limiting supporting rods (10) are connected with the motor side frames (8) and the side fixing frames (7) in a sliding mode.
5. The novel hydraulic cylinder internal leakage testing device according to claim 1, characterized in that: one side of the top end of the base (1), which is far away from the displacement sensor (6), is embedded with an oil supply device (15) in a sliding manner.
6. The novel hydraulic cylinder internal leakage testing device according to claim 5, characterized in that: and an oil guide pipe (16) is fixedly connected to the bottom side oil outlet end of the oil supply device (15), and the oil guide pipe (16) is a metal hard pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533496.2U CN213655315U (en) | 2020-11-05 | 2020-11-05 | Novel hydraulic cylinder internal leakage testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533496.2U CN213655315U (en) | 2020-11-05 | 2020-11-05 | Novel hydraulic cylinder internal leakage testing device |
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| CN213655315U true CN213655315U (en) | 2021-07-09 |
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| CN202022533496.2U Active CN213655315U (en) | 2020-11-05 | 2020-11-05 | Novel hydraulic cylinder internal leakage testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025615A (en) * | 2023-03-29 | 2023-04-28 | 山东柏远复合材料科技股份有限公司 | Hydraulic cylinder barrel durability testing device |
-
2020
- 2020-11-05 CN CN202022533496.2U patent/CN213655315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025615A (en) * | 2023-03-29 | 2023-04-28 | 山东柏远复合材料科技股份有限公司 | Hydraulic cylinder barrel durability testing device |
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