CN211147953U - Reciprocating motion sealing test device for hydraulic cylinder shaft - Google Patents
Reciprocating motion sealing test device for hydraulic cylinder shaft Download PDFInfo
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- CN211147953U CN211147953U CN201922199418.0U CN201922199418U CN211147953U CN 211147953 U CN211147953 U CN 211147953U CN 201922199418 U CN201922199418 U CN 201922199418U CN 211147953 U CN211147953 U CN 211147953U
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Abstract
The utility model relates to the technical field of hydraulic cylinder, and a reciprocating motion seals test device for hydraulic cylinder axle is disclosed, including cylinder body, electric putter, clamping ring, shrouding, sealing washer, axis body, connecting plate, fixed block, air spring, backup pad, outer spring, layer board and support piece, electric putter has been installed in the left side of cylinder body, the right side end threaded connection of cylinder body has the clamping ring, the right side fixedly connected with shrouding of clamping ring, the cover has the outside sealing washer of cylinder body in place to the inboard of clamping ring, the outside of shrouding is pegged graft and is had the axis body that contacts with electric putter, the right side below fixedly connected with connecting plate of shrouding, the top right side fixedly connected with fixed block of connecting plate. This pneumatic cylinder is reciprocating motion seal test device for axle has realized the purpose of the leakproofness of convenient test axle, whether convenient observation axle satisfies the required leakproofness of pneumatic cylinder in reciprocating motion.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field specifically is a reciprocating motion seals test device for hydraulic cylinder axle.
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 and a cylinder cover, a piston and 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.
The existing hydraulic cylinder is wide in application range, but the existing hydraulic cylinder is inconvenient to test the sealing performance of the shaft in the actual use process, when the shaft moves repeatedly, leakage can occur due to the difference of the production quality of the shaft, so that the hydraulic cylinder fails, the sealing performance of the shaft is tested to be very important, and the reciprocating motion sealing test device for the hydraulic cylinder shaft is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art not enough, the utility model provides a reciprocating motion seals test device for hydraulic cylinder axle possesses the advantage of the leakproofness of convenient test axle, has solved the leakproofness of the inconvenient test axle of current pneumatic cylinder, when the axle carries out repetitive motion, because the condition of leaking can appear in the difference of axle production quality, leads to the pneumatic cylinder inefficacy, tests very important problem to the leakproofness of counter axle.
(II) technical scheme
For the purpose of realizing the leakproofness of above-mentioned convenient experimental axle, the utility model provides a following technical scheme: a reciprocating motion sealing test device for a hydraulic cylinder shaft comprises a cylinder body, an electric push rod, a connecting ring, a sealing plate, a sealing ring, a shaft body, a connecting plate, a fixing block, an air spring, a supporting plate, an outer spring, a supporting plate and a supporting sheet, wherein the electric push rod is arranged on the left side of the cylinder body, the right side end of the cylinder body is in threaded connection with the connecting ring, the right side of the connecting ring is fixedly connected with the sealing plate, the sealing ring sleeved outside the cylinder body is arranged on the inner side of the connecting ring, the shaft body in contact with the electric push rod is inserted outside the sealing plate, the connecting plate is fixedly connected below the right side of the sealing plate, the fixing block is fixedly connected to the right side of the top of the connecting plate, the supporting plate is fixedly connected to the left side of the fixing block, the air spring penetrating through the supporting plate, the top of the supporting plate is fixedly connected with a supporting sheet which is in contact with the shaft body.
preferably, the supporting plate is arranged in a semicircular ring mode, and the supporting plate is arranged in an L shape.
Preferably, the number of the supporting sheets is two, and the two supporting sheets are fixed with the same supporting plate.
Preferably, a through hole is formed in the left side of the cylinder body, and the through hole is matched with an output rod of the electric push rod.
Preferably, the left side of the supporting plate is provided with a jack, the jack is matched with the gas spring, and the diameter of the jack is smaller than that of the outer spring.
Preferably, the cylinder is filled with hydraulic oil.
(III) advantageous effects
Compared with the prior art, the utility model provides a reciprocating motion seals test device for hydraulic cylinder axle possesses following beneficial effect:
This pneumatic cylinder is reciprocating motion seal test device for axle, threaded connection through clamping ring and cylinder body, can dismantle cylinder body and clamping ring, insert the shrouding with the axis body of required experiment, load certain hydraulic oil in the cylinder body, afterwards, on dress such as sealing washer and clamping ring, the one end of axis body is placed on the layer board, start electric putter and carry out concertina movement, promote the axis body and carry out reciprocating motion, and air spring and outer spring are along with the removal of axis body and layer board, cooperate, air spring and outer spring shrink when making electric putter stretch out, air spring and outer spring promote the layer board when electric putter shrink, then whether staff observes whether there is liquid to spill between axis body and the shrouding, the purpose of the leakproofness of convenient test axle has been realized, whether the required leakproofness of pneumatic cylinder is satisfied in reciprocating motion to convenient observation axle.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
Fig. 2 is a schematic view of the connection structure of the middle supporting plate and the supporting plate of the present invention.
In the figure: the device comprises a cylinder body 1, an electric push rod 2, a connecting ring 3, a sealing plate 4, a sealing ring 5, a shaft body 6, a connecting plate 7, a fixing block 8, an air spring 9, a supporting plate 10, an outer spring 11, a supporting plate 12 and a supporting plate 13.
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.
please refer to fig. 1-2, a reciprocating motion seal test device for a hydraulic cylinder shaft, including a cylinder body 1, an electric push rod 2, a connecting ring 3, a seal plate 4, a seal ring 5, a shaft body 6, a connecting plate 7, a fixing block 8, a gas spring 9, a support plate 10, an outer spring 11, a support plate 12 and a support plate 13, the electric push rod 2 has been installed on the left side of the cylinder body 1, the inside of the cylinder body 1 is filled with hydraulic oil, the right side end of the cylinder body 1 is threadedly connected with the connecting ring 3, a through hole has been opened on the left side of the cylinder body 1, the through hole is matched with an output rod of the electric push rod 2, the right side of the connecting ring 3 is fixedly connected with the seal plate 4, the inner side of the connecting ring 3 is provided with the seal ring 5 sleeved outside the cylinder body 1, the shaft body 6 in contact with the electric push rod 2 is inserted into the outside of the seal ring 4, the connecting ring 6 fixedly connected with the connecting plate 7 below the right side of the cylinder body 4, the top of the connecting plate 7, the support plate 8 is fixedly connected with the support plate 10, the left side of the support plate 8, the outer spring 9 is fixedly connected with the support plate 10, the support plate 9, the outer spring 11 is connected with the support plate 13, the support plate 13 is connected with the cylinder body 6, the support plate 13, the support plate, the outer spring, the support plate 13 is connected with the cylinder body 6, the support plate 13, the cylinder body 6 is provided with the support plate 13, the support plate, the cylinder body 6, the support plate, the cylinder body 6 is provided with the cylinder body 6, the support plate, the cylinder body 6 is provided with the cylinder body 6, the support plate, the cylinder body 6, the support plate.
In conclusion, the reciprocating motion sealing test device for the hydraulic cylinder shaft is connected with the cylinder body 1 through the connecting ring 3, the cylinder body 1 and the connecting ring 3 can be disassembled, the shaft body 6 to be tested is inserted into the closing plate 4, the cylinder body 1 is filled with certain hydraulic oil, then the sealing ring 5, the connecting ring 3 and the like are arranged, one end of the shaft body 6 is placed on the supporting sheet 13, the electric push rod 2 is started to perform telescopic motion to push the shaft body 6 to perform reciprocating motion, the gas spring 9 and the outer spring 11 are matched with the movement of the shaft body 6 and the supporting plate 12, so that the gas spring 9 and the outer spring 11 are contracted when the electric push rod 2 extends, the gas spring 9 and the outer spring 11 push the supporting plate 12 when the electric push rod 2 contracts, then whether the staff has liquid to spill between observation axis body 6 and the shrouding 4, realized the purpose of the leakproofness of making things convenient for the test axle, whether make things convenient for the observation axle to satisfy the required leakproofness of pneumatic cylinder in reciprocating motion.
It is to be noted that 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 (6)
1. The utility model provides a reciprocating motion seals test device for hydraulic cylinder axle, includes cylinder body (1), electric putter (2), clamping ring (3), shrouding (4), sealing washer (5), axis body (6), connecting plate (7), fixed block (8), air spring (9), backup pad (10), outer spring (11), layer board (12) and support piece (13), its characterized in that: an electric push rod (2) is arranged on the left side of the cylinder body (1), a connecting ring (3) is in threaded connection with the right side end of the cylinder body (1), a sealing plate (4) is fixedly connected to the right side of the connecting ring (3), a sealing ring (5) sleeved outside the cylinder body (1) is placed on the inner side of the connecting ring (3), a shaft body (6) in contact with the electric push rod (2) is inserted outside the sealing plate (4), a connecting plate (7) is fixedly connected to the lower portion of the right side of the sealing plate (4), a fixing block (8) is fixedly connected to the right side of the top of the connecting plate (7), a supporting plate (10) is fixedly connected to the left side of the fixing block (8), an air spring (9) penetrating through the supporting plate (10) is fixedly connected to the left side of the fixing block (8), an outer spring (11) is sleeved outside the air spring (9), and a supporting plate (, the top of the supporting plate (12) is fixedly connected with a supporting sheet (13) which is in contact with the shaft body (6).
2. the reciprocating motion sealing test device for the hydraulic cylinder shaft according to claim 1, wherein the supporting plate (13) is arranged in a semicircular ring shape, and the supporting plate (12) is arranged in an L shape.
3. The reciprocating seal testing device for the hydraulic cylinder shaft according to claim 1, characterized in that: the number of the supporting sheets (13) is two, and the two supporting sheets (13) are fixed with the same supporting plate (12).
4. The reciprocating seal testing device for the hydraulic cylinder shaft according to claim 1, characterized in that: the left side of the cylinder body (1) is provided with a through hole, and the through hole is matched with an output rod of the electric push rod (2).
5. The reciprocating seal testing device for the hydraulic cylinder shaft according to claim 1, characterized in that: the left side of the supporting plate (10) is provided with a jack, the jack is matched with the air spring (9), and the diameter of the jack is smaller than that of the outer spring (11).
6. The reciprocating seal testing device for the hydraulic cylinder shaft according to claim 1, characterized in that: the interior of the cylinder body (1) is filled with hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199418.0U CN211147953U (en) | 2019-12-10 | 2019-12-10 | Reciprocating motion sealing test device for hydraulic cylinder shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199418.0U CN211147953U (en) | 2019-12-10 | 2019-12-10 | Reciprocating motion sealing test device for hydraulic cylinder shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147953U true CN211147953U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922199418.0U Active CN211147953U (en) | 2019-12-10 | 2019-12-10 | Reciprocating motion sealing test device for hydraulic cylinder shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147953U (en) |
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2019
- 2019-12-10 CN CN201922199418.0U patent/CN211147953U/en active Active
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