CN114754100A - Hydraulic cylinder suitable for instantaneous high-speed heavy load buffering - Google Patents
Hydraulic cylinder suitable for instantaneous high-speed heavy load buffering Download PDFInfo
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- CN114754100A CN114754100A CN202210350755.9A CN202210350755A CN114754100A CN 114754100 A CN114754100 A CN 114754100A CN 202210350755 A CN202210350755 A CN 202210350755A CN 114754100 A CN114754100 A CN 114754100A
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 171
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 43
- 238000001914 filtration Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 abstract description 12
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 12
- 239000002184 metal Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3285—Details for filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a hydraulic oil cylinder suitable for instantaneous high-speed heavy-load buffering, which comprises an oil cylinder body and a movement mechanism, wherein an inner cavity of the oil cylinder body is connected with a piston in a sliding manner, one end of the piston is fixedly connected with a piston rod, a self-pressure-relief oil groove is formed in the surface of the oil cylinder body, a buffer cavity is formed in the surface of the oil cylinder body, and the inner cavity of the self-pressure-relief oil groove is communicated with the inner cavity of the buffer cavity. This hydraulic cylinder suitable for buffering of instantaneous high-speed heavy load cushions from pressure release oil groove and cushion chamber through setting up to outside fluid input carries out the convection current with inside fluid of cushion chamber, and outside fluid and inside fluid replace, in slowly-releasing pressure, can filter the dregs of fat automatically, and is multi-functional, not only can release pressure, and can filter fluid through pressure.
Description
Technical Field
The invention relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder suitable for instantaneous high-speed large-load buffering.
Background
When the existing hydraulic cylinder is used, a piston rod moves in an inner stroke manner in the hydraulic cylinder under the pushing action of an external force, a head-on impact component is generally arranged at the top of the piston rod for pressure type buffering, the piston rod is difficult to concentrically impact in the collision process, according to the hydraulic cylinder which is suitable for instantaneous high-speed large-load buffering and is disclosed in the patent No. CN109058355A, when the hydraulic cylinder is used, the piston rod is very easy to bend and deform due to uneven stress particularly under the action of instantaneous, high-speed and large-load impact force, the buffering requirement cannot be met, and a buffer cannot be damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hydraulic oil cylinder suitable for instantaneous high-speed large-load buffering, and solves the problems.
In order to realize the purpose, the invention is realized by the following technical scheme: a hydraulic oil cylinder suitable for instantaneous high-speed heavy load buffering comprises an oil cylinder body and a movement mechanism, wherein the movement mechanism comprises a piston which is in sliding connection with an inner cavity of the oil cylinder body, one end of the piston is fixedly connected with a piston rod, a self-pressure-relief oil groove is formed in the surface of the oil cylinder body, a buffer cavity is formed in the surface of the oil cylinder body, the inner cavity of the self-pressure-relief oil groove is communicated with the inner cavity of the buffer cavity, a spring pressure rod is fixedly connected to the top of the buffer cavity, the output end of the spring pressure rod is in sliding connection with the inner cavity of the self-pressure-relief oil groove, an expansion sealing plug in interference fit with the inner cavity of the self-pressure-relief oil groove is fixedly connected to the bottom end of the output end of the spring pressure rod, an oil guide hole is formed in the inner cavity of the expansion sealing plug, one end of the oil guide hole faces to the joint of the self-pressure-relief oil groove and the oil cylinder body, and the other end faces to the buffer cavity;
the inner chamber of cushion chamber is provided with filtering component, filtering component includes the closing plate of fixing at the cushion chamber top through connecting bolt, the bottom fixedly connected with of closing plate and the sealing washer of cushion chamber inner chamber butt, the bottom fixedly connected with of sealing washer crosses the filter stand, the bottom fixedly connected with of cushion chamber and the spacing of the surface butt of filter stand.
As a further scheme of the invention: the both sides of crossing the filter stand all are provided with the arc and block the filter screen frame, and two arcs block the inner chamber of filter screen frame and all seted up and run through the groove, the arc blocks one side fixedly connected with that the filter screen frame is located the filter stand inner chamber and separates the baffle.
As a further scheme of the invention: the surperficial fixedly connected with protruding clamping ring of arc of filter frame, the surface of the protruding clamping ring of arc runs through spacing and extends to its inner chamber, the spread groove with the surface joint of the protruding clamping ring of arc is seted up to the inner chamber of spacing.
As a further scheme of the invention: the inner chamber of filtering the frame rotates and is connected with the dwang, the fixed surface of dwang is connected with the spoiler.
As a further scheme of the invention: the two self-pressure-relief oil grooves are arranged and are symmetrically distributed at two oil inlets of the oil cylinder body.
As a further scheme of the invention: the inner cavity of the buffer cavity is fixedly connected with a support rod and an arc-shaped buffer frame respectively, and the outer convex surface of the arc-shaped buffer frame penetrates through the groove in the direction of the outer convex surface.
As a further scheme of the invention: the sealing plate top fixedly connected with holds the board, the sealing plate sets up in the central line department of cushion chamber.
As a further scheme of the invention: the oil cylinder is characterized in that an inner cavity of the oil cylinder body is fixedly connected with an oil guide ring communicated with the oil inlet, and a plurality of oil outlets are distributed on the surface of the oil guide ring in an annular array mode.
The use method of the hydraulic oil cylinder comprises the following steps:
when the oil guide ring is used, oil is conveyed to the oil guide ring through the oil inlet holes and is output through the oil outlet holes distributed on the surface of the oil guide ring in an annular array mode, the piston is injected and output through uniform output, the stress is uniform, and inclination cannot be generated;
step two, when pressure is slowly released, oil is conveyed into the self-pressure-relief oil groove to extrude the expansion sealing plug fixed at the bottom end of the spring pressure rod, when the pressure is overlarge, the spring pressure rod is pushed to contract to drive the expansion sealing plug to move upwards in the self-pressure-relief oil groove, then the oil is output to the buffer cavity through the oil guide hole, at the moment, the oil impacts the arc buffer frame and is conveyed into the filter frame, the oil is input through the through groove in the middle of the arc blocking filter net frames at the two sides and enters the interior of the filter frame, metal residues in the oil are matched and remained in the filter frame by the arc blocking filter net frames and the baffle plates, the filtered oil is output to the other side, after the buffer cavity is filled with oil, external oil is input to be in convection with the oil in the buffer cavity, the external oil and the internal oil are replaced, and oil residues can be automatically filtered while the pressure is slowly released;
step three, after using for a period of time, closing the oil cylinder, then taking down the connecting bolt on the surface of the sealing plate, taking out the sealing plate and the sealing ring, taking out the filter stand, cleaning the internal oil residue, inserting the filter stand into the bottom limiting frame after cleaning, clamping the filter stand by taking the arc-shaped convex connecting ring and the connecting groove, and fixing the sealing plate through the connecting bolt.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the self-pressure-relief oil groove and the buffer cavity are arranged for buffering, external oil is input to be in convection with oil in the buffer cavity, the external oil and the internal oil are replaced, oil residues can be automatically filtered while pressure is slowly released, the oil filtering device is multifunctional, pressure can be released, and oil can be filtered through pressure.
2. When the oil guide ring is used, oil is conveyed to the oil guide ring through the oil inlet holes and is output through the oil outlet holes distributed on the surface of the oil guide ring in an annular array mode, the oil is uniformly output to inject oil into the piston and output the oil, the stress is uniform, and inclination cannot be generated.
3. According to the invention, oil is impacted to the arc-shaped buffer frame and then conveyed into the filter frame, the oil is input through the through grooves in the middle of the arc-shaped blocking filter net racks on the two sides and enters the filter frame, metal residues in the oil are matched and remained in the filter frame by the arc-shaped blocking filter net racks and the partition plates, and the filtered oil is output to the other side.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 1;
FIG. 4 is a top view of the filter frame of the present invention;
fig. 5 is a schematic structural view of the filter stand of the present invention.
In the figure: 1. an oil cylinder body; 2. a piston rod; 3. a piston; 4. an oil guide ring; 5. an oil outlet hole; 6. a buffer chamber; 7. a spring pressure lever; 8. a self-relieving oil groove; 9. expanding the sealing plug; 10. an oil guide hole; 11. a sealing plate; 12. a seal ring; 13. a filter frame; 14. a through groove; 15. a limiting frame; 16. the arc-shaped bulge is connected with the ring; 17. connecting grooves; 18. rotating the rod; 19. a spoiler; 20. a hand-held board; 21. an arc-shaped barrier screen frame; 22. a baffle plate; 23. a support bar; 24. arc buffer frame.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: a hydraulic cylinder suitable for instantaneous high-speed heavy load buffering comprises a cylinder body 1 and a movement mechanism, wherein the movement mechanism comprises a piston 3 in sliding connection with an inner cavity of the cylinder body 1, one end of the piston 3 is fixedly connected with a piston rod 2, a self-pressure-relief oil groove 8 is formed in the surface of the cylinder body 1, a buffer cavity 6 is formed in the surface of the cylinder body 1, the inner cavity of the self-pressure-relief oil groove 8 is communicated with the inner cavity of the buffer cavity 6, a spring pressure rod 7 is fixedly connected to the top of the buffer cavity 6, the output end of the spring pressure rod 7 is in sliding connection with the inner cavity of the self-pressure-relief oil groove 8, an expansion sealing plug 9 in interference fit with the inner cavity of the self-pressure-relief oil groove 8 is fixedly connected to the bottom end of the output end of the spring pressure rod 7, an oil guide hole 10 is formed in the inner cavity of the expansion sealing plug 9, one end of the oil guide hole 10 faces to the joint of the self-pressure-relief oil groove 8 and the cylinder body 1, and the other end faces to the buffer cavity 6, the self-pressure-relief oil tank 8 and the buffer cavity 6 are arranged for buffering, external oil is input to be in convection with oil in the buffer cavity 6, the external oil and the internal oil are replaced, oil residues can be automatically filtered while pressure is slowly released, the multifunctional oil tank is multifunctional, pressure can be released, and the oil can be filtered through the pressure;
the inner cavity of the buffer cavity 6 is provided with a filtering component, the filtering component comprises a sealing plate 11 fixed at the top of the buffer cavity 6 through a connecting bolt, the bottom of the sealing plate 11 is fixedly connected with a sealing ring 12 abutted against the inner cavity of the buffer cavity 6, the bottom of the sealing ring 12 is fixedly connected with a filtering frame 13, the bottom of the buffer cavity 6 is fixedly connected with a limiting frame 15 abutted against the surface of the filtering frame 13, when the pressure is slowly released, oil is conveyed into a self-pressure-releasing oil groove 8, an expansion sealing plug 9 fixed at the bottom end of a spring pressure rod 7 is extruded, when the pressure is overlarge, the spring pressure rod 7 is pushed and contracted to drive the expansion sealing plug 9 to move upwards in the self-pressure-releasing oil groove 8 and then is output into the buffer cavity 6 through an oil guide hole 10, at the moment, the oil impacts an arc-shaped buffer frame 24 and then is conveyed into the filtering frame 13, and is input through a penetrating groove 14 in the middle of arc-shaped blocking filter net frames 21 at two sides, get into inside the filter frame 13, the inside metal residue of fluid is blockked by the arc that screen frame 21 and separation baffle 22 cooperate and is stayed in filter frame 13, and fluid after the filtration is through exporting the opposite side, after 6 fluid in cushion chamber fills, the convection current is carried out with 6 inside fluid in cushion chamber to external fluid input, and external fluid and inside fluid replace, in the time of slowly-releasing pressure, can filter the dregs of fat voluntarily.
The arc-shaped blocking filter net frames 21 are arranged on two sides of the filter frame 13, the through grooves 14 are formed in the inner cavities of the two arc-shaped blocking filter net frames 21, the partition plate 22 is fixedly connected to one side, located in the inner cavity of the filter frame 13, of the arc-shaped blocking filter net frames 21, when the oil-filling filter net frame is used, oil is conveyed to the oil guide ring 4 through the oil inlet hole, the oil is output through the oil outlet holes 5 distributed in the annular array mode on the surface of the oil guide ring 4, oil is filled into the piston 3 and output through uniform output, and the piston is uniformly stressed and cannot incline; when pressure is slowly released, oil is conveyed into the self-pressure-releasing oil tank 8, the expansion sealing plug 9 fixed at the bottom end of the spring pressure rod 7 is extruded, when the pressure is overlarge, the spring pressure rod 7 is pushed to contract to drive the expansion sealing plug 9 to move upwards in the self-pressure-releasing oil tank 8, then the oil is output into the buffer cavity 6 through the oil guide hole 10, the oil impacts the arc buffer frame 24 and is conveyed into the filter frame 13 and is input through the penetrating groove 14 in the middle of the arc blocking filter net frames 21 at two sides to enter the filter frame 13, metal residues in the oil are matched and remained in the filter frame 13 through the arc blocking filter net frames 21 and the partition plates 22, the filtered oil is output to the other side, when the buffer cavity 6 is filled with the oil, the external oil is input to convected with the oil in the buffer cavity 6, the external oil and the internal oil are replaced, and when the pressure is slowly released, the oil residue can be automatically filtered; after using a period, close the hydro-cylinder, then take off the connecting bolt on closing plate 11 surface, take out closing plate 11 and sealing washer 12, will filter frame 13 and take out, clear up inside dregs of fat, after the clearance finishes, will filter frame 13 and insert in spacing frame 15 in the bottom, the cover is taken arc protruding clamping ring 16 and spread groove 17 and is carried out the joint to filtering frame 13, then fixes closing plate 11 through connecting bolt.
Filter the protruding clamping ring 16 of arc of filter holder 13's fixed surface, the surface of the protruding clamping ring 16 of arc runs through spacing 15 and extends to its inner chamber, spread groove 17 with the protruding clamping ring 16's of arc surface joint is seted up to spacing 15's inner chamber, use after a period, close the hydro-cylinder, then take off the connecting bolt on sealing plate 11 surface, take out sealing plate 11 and sealing washer 12, take filter holder 13 out, clear up inside dregs of fat, the back of finishing in the clearance, filter holder 13 inserts in the spacing 15 of bottom, the cover is taken protruding clamping ring 16 of arc and spread groove 17 and is carried out the joint to filter holder 13, then fix sealing plate 11 through connecting bolt.
The inner cavity of the filter frame 13 is rotatably connected with a rotating rod 18, and the surface of the rotating rod 18 is fixedly connected with a spoiler 19.
Two pressure relief oil grooves 8 are arranged and are symmetrically distributed at two oil inlets.
The inner cavity of the buffer cavity 6 is fixedly connected with a support rod 23 and an arc-shaped buffer frame 24 respectively, and the outer convex surface of the arc-shaped buffer frame 24 is towards the through groove 14.
The top of the sealing plate 11 is fixedly connected with a handheld plate 20, and the sealing plate 11 is arranged at the central line of the buffer cavity 6.
The inner chamber fixedly connected with of hydro-cylinder body 1 leads oil ring 4 with the oil inlet intercommunication, and the surperficial annular array of leading oil ring 4 distributes and has a plurality of oil outlets 5, during the use, carries oil through the inlet port and leads oil ring 4, and through leading the output of oil outlet 5 that oil ring 4 surperficial annular array distributes, even output carries out the oiling output to piston 3, and the atress is even, can not produce the slope.
The use method of the hydraulic oil cylinder comprises the following steps:
when the oil guide ring is used, oil is conveyed to the oil guide ring 4 through the oil inlet holes and is output through the oil outlet holes 5 distributed on the surface of the oil guide ring 4 in an annular array mode, the piston 3 is injected and output by uniform output, the stress is uniform, and inclination cannot be generated;
step two, when pressure is slowly released, oil is conveyed into the self-pressure-releasing oil tank 8, the expansion sealing plug 9 fixed at the bottom end of the spring pressure rod 7 is extruded, when the pressure is overlarge, the spring pressure rod 7 is pushed to contract to drive the expansion sealing plug 9 to move upwards in the self-pressure-releasing oil tank 8, then the oil is output into the buffer cavity 6 through the oil guide hole 10, the oil impacts the arc buffer frame 24 and is conveyed into the filter frame 13, the oil is input through the through groove 14 in the middle of the arc blocking filter net frames 21 at two sides and enters the filter frame 13, metal residues in the oil are matched by the arc blocking filter net frames 21 and the partition plates 22 and are left in the filter frame 13, the filtered oil is output to the other side, when the buffer cavity 6 is filled with the oil, the external oil is input and convected with the oil in the buffer cavity 6, the external oil and the internal oil are replaced, and when the pressure is slowly released, the oil residue can be automatically filtered;
step three, after using for a period of time, closing the oil cylinder, then taking down the connecting bolt on the surface of the sealing plate 11, taking out the sealing plate 11 and the sealing ring 12, taking out the filter frame 13, cleaning the internal oil residue, inserting the filter frame 13 into the bottom limiting frame 15 after cleaning, clamping the filter frame 13 by covering the arc-shaped convex connecting ring 16 and the connecting groove 17, and then fixing the sealing plate 11 through the connecting bolt.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a hydraulic cylinder suitable for instantaneous high-speed heavy load buffering, includes hydro-cylinder body (1) and motion, and motion includes piston (3) at hydro-cylinder body (1) inner chamber sliding connection, and the one end fixedly connected with piston rod (2) of piston (3), its characterized in that: a self-pressure-relief oil groove (8) is formed in the surface of the oil cylinder body (1), a buffer cavity (6) is formed in the surface of the oil cylinder body (1), an inner cavity of the self-pressure-relief oil groove (8) is communicated with an inner cavity of the buffer cavity (6), a spring pressure rod (7) is fixedly connected to the top of the buffer cavity (6), an output end of the spring pressure rod (7) is slidably connected with the inner cavity of the self-pressure-relief oil groove (8), an expansion sealing plug (9) in interference fit with the inner cavity of the self-pressure-relief oil groove (8) is fixedly connected to the bottom end of the output end of the spring pressure rod (7), an oil guide hole (10) is formed in the inner cavity of the expansion sealing plug (9), one end of the oil guide hole (10) faces to the joint of the self-pressure-relief oil groove (8) and the oil cylinder body (1), and the other end of the oil guide hole faces to the buffer cavity (6);
the inner chamber of cushion chamber (6) is provided with filtering component, filtering component includes and fixes closing plate (11) at cushion chamber (6) top through connecting bolt, the bottom fixedly connected with of closing plate (11) and sealing washer (12) of cushion chamber (6) inner chamber butt, the bottom fixedly connected with of sealing washer (12) crosses filter stand (13), the bottom fixedly connected with of cushion chamber (6) and spacing (15) of the surface butt of filter stand (13).
2. The hydraulic oil cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the both sides of crossing filter frame (13) all are provided with the arc and block filter screen frame (21), and two arcs block the inner chamber of filter screen frame (21) and all seted up and run through groove (14), the arc blocks one side fixedly connected with that filter screen frame (21) are located filter frame (13) inner chamber and separates baffle (22).
3. The hydraulic oil cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the surperficial fixedly connected with protruding clamping ring of arc (16) of filter stand (13), spacing frame (15) is run through and extend to its inner chamber on the surface of the protruding clamping ring of arc (16), spread groove (17) with the surface joint of the protruding clamping ring of arc (16) are seted up to the inner chamber of spacing frame (15).
4. The hydraulic cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the inner cavity of the filter frame (13) is rotatably connected with a rotating rod (18), and the surface of the rotating rod (18) is fixedly connected with a spoiler (19).
5. The hydraulic cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the two self-pressure-relief oil grooves (8) are symmetrically distributed at two oil inlets of the oil cylinder body (1).
6. The hydraulic cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the inner cavity of the buffer cavity (6) is fixedly connected with a support rod (23) and an arc-shaped buffer frame (24) respectively, and the outer convex surface of the arc-shaped buffer frame (24) faces towards the through groove (14).
7. The hydraulic cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the top of the sealing plate (11) is fixedly connected with a handheld plate (20), and the sealing plate (11) is arranged at the central line of the buffer cavity (6).
8. The hydraulic cylinder suitable for instantaneous high-speed large load buffering according to claim 1, characterized in that: the oil cylinder is characterized in that an inner cavity of the oil cylinder body (1) is fixedly connected with an oil guide ring (4) communicated with an oil inlet, and a plurality of oil outlets (5) are distributed on the surface of the oil guide ring (4) in an annular array mode.
Priority Applications (1)
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CN202210350755.9A CN114754100A (en) | 2022-04-02 | 2022-04-02 | Hydraulic cylinder suitable for instantaneous high-speed heavy load buffering |
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CN202210350755.9A CN114754100A (en) | 2022-04-02 | 2022-04-02 | Hydraulic cylinder suitable for instantaneous high-speed heavy load buffering |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07190126A (en) * | 1993-12-27 | 1995-07-28 | Kayaba Ind Co Ltd | Electroviscous fluid filled shock absorber |
CN201078367Y (en) * | 2007-08-16 | 2008-06-25 | 无锡亿利大机械有限公司 | Hydraulic oil cylinder with baffling buffer |
CN205669520U (en) * | 2016-06-16 | 2016-11-02 | 新昌县佛城制冷有限公司 | buffering structure of hydraulic cylinder |
CN108799248A (en) * | 2018-09-04 | 2018-11-13 | 湖南五新隧道智能装备股份有限公司 | A kind of cushion cylinder and its damper piston assembly |
CN211573916U (en) * | 2020-01-20 | 2020-09-25 | 杭州叉车门架有限公司 | Oil cylinder with buffering function |
CN212838718U (en) * | 2020-08-28 | 2021-03-30 | 韶关市冠华机械有限公司 | Hydraulic cylinder with built-in buffer mechanism |
CN112628239A (en) * | 2020-12-25 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | High-performance hydraulic oil cylinder with bidirectional buffering function and working method thereof |
-
2022
- 2022-04-02 CN CN202210350755.9A patent/CN114754100A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07190126A (en) * | 1993-12-27 | 1995-07-28 | Kayaba Ind Co Ltd | Electroviscous fluid filled shock absorber |
CN201078367Y (en) * | 2007-08-16 | 2008-06-25 | 无锡亿利大机械有限公司 | Hydraulic oil cylinder with baffling buffer |
CN205669520U (en) * | 2016-06-16 | 2016-11-02 | 新昌县佛城制冷有限公司 | buffering structure of hydraulic cylinder |
CN108799248A (en) * | 2018-09-04 | 2018-11-13 | 湖南五新隧道智能装备股份有限公司 | A kind of cushion cylinder and its damper piston assembly |
CN211573916U (en) * | 2020-01-20 | 2020-09-25 | 杭州叉车门架有限公司 | Oil cylinder with buffering function |
CN212838718U (en) * | 2020-08-28 | 2021-03-30 | 韶关市冠华机械有限公司 | Hydraulic cylinder with built-in buffer mechanism |
CN112628239A (en) * | 2020-12-25 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | High-performance hydraulic oil cylinder with bidirectional buffering function and working method thereof |
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Application publication date: 20220715 |