CN212563910U - High-speed buffer oil cylinder - Google Patents
High-speed buffer oil cylinder Download PDFInfo
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- CN212563910U CN212563910U CN202021244137.9U CN202021244137U CN212563910U CN 212563910 U CN212563910 U CN 212563910U CN 202021244137 U CN202021244137 U CN 202021244137U CN 212563910 U CN212563910 U CN 212563910U
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- oil
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- collecting pipe
- cylinder barrel
- piston rod
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Abstract
The utility model relates to a high-speed buffer oil cylinder, which comprises a piston rod, a cylinder barrel and a first oil collecting pipe, wherein the front end of the piston rod is provided with a connecting part for a load, the rear end of the piston rod is provided with an oil pushing part, the piston rod drives the oil pushing part to move back and forth in the cylinder barrel, the rear end of the cylinder barrel is fixedly connected with the inner cavity of the first oil collecting pipe and forms a first cylinder pipe gap for liquid oil to flow, the oil pushing part is tightly connected with the inner side wall of the cylinder barrel, a plurality of first damping holes are arranged on the position of the cylinder barrel corresponding to the first oil collecting pipe, the liquid oil flows back and forth between the inner cavity of the cylinder barrel and the first cylinder pipe gap through the first damping holes, the first damping holes play the effect of decreasing the oil discharging speed in the process that the oil pushing part moves towards the rear end, the liquid oil pressure at the rear end of the cylinder barrel is increased, thereby playing the effect of braking and, the braking process is smoother, and the buffering effect is better.
Description
Technical Field
The utility model relates to a hydraulic pressure final controlling element of high-efficient buffering especially can be at higher speed, the high-speed buffer hydro-cylinder of brake speed reduction is carried out under the abominable operating mode.
Background
When the piston of the oil cylinder is converted to a static state in a high-speed running state, the hydraulic pressure of high-efficiency buffering is needed to execute braking action, the existing high-speed buffering hydraulic device is complex in structure, a servo valve, an electronic ruler, a speed reducing valve, a guide rail and other electric, mechanical, hydraulic and detection elements are needed, the cost is higher, and the buffering effect is not ideal enough.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a high-speed buffer cylinder, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
the utility model provides a high-speed buffer cylinder, including the piston rod, cylinder and first collection oil pipe, the front end of piston rod is equipped with the connecting portion that are used for the load, the rear end of piston rod is equipped with pushes away oily portion, the piston rod drives and pushes away oily portion and make reciprocating motion in the cylinder, the rear end of cylinder and the inner chamber fixed connection of first collection oil pipe and form the first bobbin clearance that supplies liquid oil to flow, push away the inside wall zonulae occludens of oily portion and cylinder, be equipped with the first damping hole of a plurality of on the position that corresponds first collection oil pipe on the cylinder, liquid oil comes and goes between the inner chamber of cylinder and first bobbin clearance through first damping hole and flows.
The aperture of the first damping hole is 1.0mm-3.0mm, and the apertures of the different first damping holes decrease gradually in the direction from the length of the cylinder barrel to the rear end.
The front end of the cylinder barrel is fixedly connected with a second oil collecting pipe, a second barrel gap for liquid oil to flow is formed between the cylinder barrel and the inner cavity of the second oil collecting pipe, a plurality of second damping holes are formed in the position, corresponding to the second oil collecting pipe, on the cylinder barrel, and the liquid oil flows back and forth between the inner cavity of the cylinder barrel and the second barrel gap through the second damping holes.
The aperture of the second damping hole is 1.0mm-3.0mm, and the apertures of the second damping holes which are different along the length of the cylinder barrel in the front end direction are sequentially decreased progressively.
The front end and the rear end of the cylinder barrel are detachably connected with the second oil collecting pipe and the first oil collecting pipe respectively and are locked and fixed through the second oil pipe cover and the first oil pipe cover respectively.
And the first oil pipe cover and/or the second oil pipe cover are/is provided with a positioning snap ring, and the cylinder barrel is provided with a positioning groove corresponding to the positioning snap ring.
The first oil collecting pipe is connected with a first oil changing portion, the second oil collecting pipe is connected with a second oil changing portion, and an oil pump device is connected between the first oil changing portion and the second oil changing portion.
And an oil storage tank is also connected between the first oil changing part and the second oil changing part.
The utility model has the advantages that:
a plurality of first damping holes play the degressive effect of oil extraction speed pushing oil portion to the in-process of rear end operation, make the liquid oil pressure of cylinder rear end increase progressively to play the effect that the brake slows down to pushing oil portion, simple structure, manufacturing cost is lower, and the braking process is more smooth-going, has better buffering effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a perspective view of the cylinder barrel according to the embodiment of the present invention.
Fig. 3 is an enlarged view of embodiment a of the present invention.
Fig. 4 is an enlarged view of embodiment B of the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention.
Fig. 6 is a schematic layout view of the first damping holes according to the embodiment of the present invention.
Fig. 7 is a schematic layout view of the second damping holes according to the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 7, the high-speed buffer cylinder includes a piston rod 1, a cylinder barrel 2 and a first oil collecting pipe 31, wherein a connecting portion 11 for a load is disposed at a front end of the piston rod 1, an oil pushing portion 12 is disposed at a rear end of the piston rod 1, the piston rod 1 drives the oil pushing portion 12 to reciprocate in the cylinder barrel 2, a first barrel gap 311 for flowing liquid oil is formed between the rear end of the cylinder barrel 2 and an inner cavity of the first oil collecting pipe 31, the oil pushing portion 12 is tightly connected to an inner side wall of the cylinder barrel 2, a plurality of first damping holes 21 are disposed on the cylinder barrel 2 corresponding to the first oil collecting pipe 31, the liquid oil flows back and forth between the inner cavity of the cylinder barrel 2 and the first barrel gap 311 through the first damping holes 21, the plurality of first damping holes 21 have an effect of decreasing oil discharging speed in a process that the oil pushing portion 12 operates towards the rear end, so that the liquid oil pressure at the rear end of the cylinder barrel 2 increases gradually, thereby reducing the speed of the oil pushing portion 12 and, simple structure, manufacturing cost is lower, and the braking process is more smooth-going, has better buffering effect.
Further, the aperture of the first damping hole 21 is 1.0mm-3.0mm, the apertures of the first damping holes 21 different in the direction of the rear end along the length of the cylinder 2 decrease gradually in sequence, when the piston rod 1 moves towards the rear end, the oil pushing portion 12 firstly covers the first damping hole 21 with the larger aperture, and the oil discharging speed of the first damping hole 21 with the smaller aperture is slower, so that the oil pushing portion 12 moves towards the rear end more and the oil pressure resistance is larger, and the braking effect is better and obvious.
Further, a second oil collecting pipe 32 is fixedly connected to the front end of the cylinder barrel 2, a second barrel gap 321 for liquid oil to flow is formed between the cylinder barrel 2 and an inner cavity of the second oil collecting pipe 32, a plurality of second damping holes 22 are formed in the position, corresponding to the second oil collecting pipe 32, on the cylinder barrel 2, the liquid oil flows back and forth between the inner cavity of the cylinder barrel 2 and the second barrel gap 321 through the second damping holes 22, and in the same way as the piston rod 1 moves towards the rear end, when the piston rod 1 moves towards the front end, the oil pushing portion 12 and the second damping holes 22 act to play a role in braking and decelerating the piston rod 1, so that the device has a bidirectional decelerating function.
Further, the aperture of the second damping hole 22 is 1.0mm-3.0mm, the apertures of the second damping holes 22 different in the direction of the front end along the length of the cylinder 2 decrease gradually in sequence, when the piston rod 1 moves towards the front end, the oil pushing portion 12 firstly covers the second damping hole 22 with the larger aperture, and the oil discharging speed of the second damping hole 22 with the smaller aperture is slower, so that the oil pushing portion 12 moves towards the front end more and the oil pressure resistance is larger, and the braking effect is better and obvious.
Further, both ends can be dismantled with second oil collecting pipe 32 and first oil collecting pipe 31 respectively around cylinder 2 and be connected to it is fixed with the locking of first oil pipe cover 41 through second oil pipe cover 42 respectively, conveniently change different cylinders 2, through set up different first, two damping hole apertures and the density of arranging on different cylinders 2, realize the function to brake effect regulation control.
Furthermore, a positioning snap ring 43 is arranged on the first oil pipe cover 41 and/or the second oil pipe cover 42, and a positioning groove 23 corresponding to the positioning snap ring 43 is arranged on the cylinder barrel 2, so that the sealing performance and the connection strength between the cylinder barrel 2 and the first oil pipe cover and the second oil pipe cover are improved.
Further, a first oil change portion 51 is connected to the first oil collecting pipe 31, a second oil change portion 52 is connected to the second oil collecting pipe 32, and an oil pump device 53 is connected between the first oil change portion 51 and the second oil change portion 52.
Further, an oil reservoir 54 is connected between the first oil change portion 51 and the second oil change portion 52.
When the piston rod 1 drives the oil pushing part 12 to move towards the rear end, the liquid oil in the rear end of the cylinder barrel 2 is discharged to the first barrel gap 311 through the first damping hole 21, enters the first oil changing part 51, enters the oil storage tank 54 under the action of the oil pump device 53, and meanwhile, the liquid oil in the oil storage tank 54 enters the second oil changing part 52 under the action of the oil pump device 53, passes through the second barrel gap 321, and enters the front end of the cylinder barrel 2 through the second damping hole 22;
similarly, when the piston rod 1 drives the oil pushing portion 12 to move forward, the running path of the liquid oil is opposite to that when the piston rod 1 drives the oil pushing portion 12 to move backward.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (8)
1. The utility model provides a high-speed buffer cylinder, includes piston rod (1), cylinder (2) and first oil collecting pipe (31), the front end of piston rod (1) is equipped with connecting portion (11) that are used for the load, and the rear end of piston rod (1) is equipped with pushes away oil portion (12), and piston rod (1) drives and pushes away oil portion (12) and makes reciprocating motion in cylinder (2), its characterized in that, the rear end of cylinder (2) and the inner chamber fixed connection of first oil collecting pipe (31) and form first cylinder clearance (311) that supply liquid oil to flow, push away oil portion (12) and the inside wall zonulae occludens of cylinder (2), be equipped with a plurality of first damping hole (21) on cylinder (2) the position that corresponds first oil collecting pipe (31), liquid oil flows back and forth between the inner chamber of cylinder (2) and first cylinder clearance (311) through first damping hole (21).
2. The cache cylinder of claim 1, wherein: the aperture of the first damping hole (21) is 1.0mm-3.0mm, and the apertures of the different first damping holes (21) decrease gradually in the direction from the length of the cylinder barrel (2) to the rear end.
3. The cache cylinder according to claim 1 or 2, characterized in that: the front end fixedly connected with second oil collecting pipe (32) of cylinder (2), form between the inner chamber of cylinder (2) and second oil collecting pipe (32) and supply liquid oil mobile second bobbin clearance (321), be equipped with a plurality of second damping hole (22) on cylinder (2) the position that corresponds second oil collecting pipe (32), liquid oil reciprocates between the inner chamber of cylinder (2) and second bobbin clearance (321) through second damping hole (22).
4. The cache cylinder of claim 3, wherein: the aperture of the second damping hole (22) is 1.0mm-3.0mm, and the apertures of the second damping holes (22) which are different along the length of the cylinder barrel (2) towards the front end direction are sequentially decreased progressively.
5. The cache cylinder of claim 3, wherein: the front end and the rear end of the cylinder barrel (2) are detachably connected with the second oil collecting pipe (32) and the first oil collecting pipe (31) respectively and are locked and fixed through the second oil pipe cover (42) and the first oil pipe cover (41) respectively.
6. The cache cylinder of claim 5, wherein: and the first oil pipe cover (41) and/or the second oil pipe cover (42) are/is provided with a positioning snap ring (43), and the cylinder barrel (2) is provided with a positioning groove (23) corresponding to the positioning snap ring (43).
7. The cache cylinder of claim 3, wherein: the oil-collecting device is characterized in that a first oil changing portion (51) is connected to the first oil collecting pipe (31), a second oil changing portion (52) is connected to the second oil collecting pipe (32), and an oil pump device (53) is connected between the first oil changing portion (51) and the second oil changing portion (52).
8. The cache cylinder of claim 7, wherein: an oil storage tank (54) is also connected between the first oil changing part (51) and the second oil changing part (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244137.9U CN212563910U (en) | 2020-06-29 | 2020-06-29 | High-speed buffer oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244137.9U CN212563910U (en) | 2020-06-29 | 2020-06-29 | High-speed buffer oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563910U true CN212563910U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244137.9U Active CN212563910U (en) | 2020-06-29 | 2020-06-29 | High-speed buffer oil cylinder |
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| CN (1) | CN212563910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734711A (en) * | 2020-06-29 | 2020-10-02 | 佛山市集成液压机械有限公司 | High-speed buffer oil cylinder |
-
2020
- 2020-06-29 CN CN202021244137.9U patent/CN212563910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734711A (en) * | 2020-06-29 | 2020-10-02 | 佛山市集成液压机械有限公司 | High-speed buffer oil cylinder |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: 529000 Workshop on the 4th floor of Building 1, No. 90, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province (Information Declaration System) Patentee after: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. Address before: 528306 east of Changxing Industrial Zone, village 2, Haiwei neighborhood committee, Ronggui, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN JICHENG HYDRAULIC MACHINERY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 529000 No. 95, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Patentee after: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. Address before: 529000 Workshop on the 4th floor of Building 1, No. 90, Liantang Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province (Information Declaration System) Patentee before: Guangdong Jicheng Hydraulic Machinery Co.,Ltd. |