CN114233719A - Buffer structure of ultra-large hydraulic hoist - Google Patents
Buffer structure of ultra-large hydraulic hoist Download PDFInfo
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- CN114233719A CN114233719A CN202111436708.8A CN202111436708A CN114233719A CN 114233719 A CN114233719 A CN 114233719A CN 202111436708 A CN202111436708 A CN 202111436708A CN 114233719 A CN114233719 A CN 114233719A
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a buffer structure of an ultra-large hydraulic hoist, which comprises a hydraulic hoist body, a first buffer mechanism, a second buffer mechanism and a third buffer mechanism. The invention has the beneficial effects that: through the intermediate position at the piston is provided with seal ring, can prevent the hydraulic oil interpenetration between no pole chamber and the pole chamber, through setting up buffer gear one and buffer gear two, in the piston retraction in-process, through supporting the briquetting extrusion and supporting the clamp plate, make and support the sliding sleeve compression spring one of clamp plate extrusion both sides, and then through telescopic link compression spring two, utilize the spring action of spring one and spring two to realize the inside buffering to hydraulic hoist body, meanwhile, utilize the principle that magnetic path one repels with the homopolar of magnetic path two mutually, also can cushion the piston, and through utilizing the cooperation between magnetic path three and magnetic path four and spring four, when avoiding the piston to drive the piston rod extension, with hydraulic hoist body inner wall direct contact, avoid causing the destruction.
Description
Technical Field
The invention relates to a buffer structure, in particular to a buffer structure of an ultra-large hydraulic hoist, belonging to the technical field of hydraulic buffering.
Background
The hydraulic hoist generally comprises hydraulic system and pneumatic cylinder, under hydraulic system's control, the axial reciprocating motion is made to the piston body inner wall in the pneumatic cylinder to drive connecting rod and the gate of connecting on the piston to do linear motion, in order to reach the purpose of opening, close the drill way, the cylinder body and the piston of present hydraulic cylinder adopt hard material to make usually, when the piston moves to the cylinder bottom of cylinder body or cylinder cap, will take place strong striking with the cylinder body, will shorten hydraulic cylinder's life greatly like this, consequently often need set up buffer on the hydraulic hoist and align and protect.
The existing hydraulic hoist has some problems when in use:
1) the buffering mechanism arranged in the existing hydraulic hoist has a single structure, and is easy to damage after being used for a long time, so that the hydraulic hoist cannot buffer during operation, and the service life of the hydraulic hoist is seriously influenced;
2) when the existing hydraulic hoist is impacted, hydraulic oil in a rod cavity and a rodless cavity can be mutually permeated, the hydraulic oil is heated, the expansion speed of a piston rod is influenced, and the service life of the hydraulic hoist is prolonged.
Disclosure of Invention
The invention aims to solve the problems and provide a buffer structure of an ultra-large hydraulic hoist.
The invention realizes the purpose through the following technical scheme: comprises that
The hydraulic hoist body is internally provided with a rodless cavity and a rod cavity, a piston is arranged between the rodless cavity and the rod cavity in a sliding manner, and one side of the piston is fixedly connected with a piston rod;
the first buffer mechanisms are arranged on the inner walls of the two sides of the rodless cavity, and can play a certain buffer role in the movement of the piston;
the second buffer mechanism is arranged between the first buffer mechanisms, and the second buffer mechanism is conveniently matched with the first buffer mechanism to play a certain buffer role on the piston when the piston retracts;
and the third buffer mechanism is arranged inside the side walls of the two sides of the rightmost side of the rod cavity, and can avoid the direct contact of the piston and the inner wall of the hydraulic hoist body when the piston extends, so that the protection of the hydraulic hoist body is improved.
As a still further scheme of the invention: the first buffer mechanism is composed of a U-shaped limiting frame and a first magnetic block fixedly connected to the inner walls of the two sides of the rodless cavity, the opening of the U-shaped limiting frame is not fixedly provided with the first magnetic block, two sides of the side wall, close to the first buffer mechanism, of the piston are fixedly connected with a second magnetic block respectively, and the magnetic poles of the first magnetic block and the magnetic poles of the second magnetic block on the opposite sides are the same.
As a still further scheme of the invention: buffer gear two is by the rigid coupling two installing frame between the buffer gear one with support the clamp plate and constitute, the inside mounting groove that is provided with of both sides lateral wall of installing frame, and the rigid coupling has the slide bar in the mounting groove, the sliding sleeve has been cup jointed in the slide bar, one side of sliding sleeve is provided with and cup joints the spring one of slide bar, two the rigid coupling has to support the clamp plate between the sliding sleeve, it has the telescopic link to support the rigid coupling between clamp plate and the installing frame, and the telescopic link outside has cup jointed spring two, the lateral wall intermediate position fixed mounting that the piston is close to buffer gear one has the support clamp plate.
As a still further scheme of the invention: the telescopic link comprises outer pole and interior pole on the rigid coupling does not have pole intracavity lateral wall, the inside of outer pole is provided with the shifting chute, and the inside sliding connection in shifting chute has interior pole, the rigid coupling has spring three between the downside of interior pole and the diapire in shifting chute.
As a still further scheme of the invention: the buffer mechanism III is composed of a magnetic block III fixedly connected to two sides of the side wall of one side inside the rod cavity and a magnetic block IV fixedly connected to two sides of the side wall of one side, close to the rod cavity, of the piston, a spring IV is sleeved on the magnetic block III, and magnetic poles of opposite sides of the magnetic block III and the magnetic block IV are the same.
As a still further scheme of the invention: and a mounting groove is formed in the middle of the piston, and a sealing gasket is fixedly arranged in the mounting groove.
The invention has the beneficial effects that:
1) according to the invention, the mounting groove is formed in the middle position of the piston, and the sealing washer is fixedly arranged in the mounting groove, so that hydraulic oil between the rodless cavity and the rod cavity can be prevented from mutually permeating, and the reduction of the movement rate of the piston rod is avoided;
2) according to the hydraulic hoist, the first buffer mechanism and the second buffer mechanism are arranged, in the retraction process of the piston, the pressing plate is extruded by the pressing block, the pressing plate is enabled to extrude the first sliding sleeves on two sides to compress the first springs, the second springs are further compressed by the telescopic rod, the buffering inside of the hydraulic hoist body is realized by utilizing the elastic force of the first springs and the second springs, meanwhile, the piston can be buffered by utilizing the principle that the first magnetic blocks and the second magnetic blocks repel each other in the same pole, the retraction speed is prevented from being high, the piston is prevented from colliding with the hydraulic hoist body, and the piston is prevented from directly contacting with the inner wall of the hydraulic hoist body when the piston drives the piston rod to extend by utilizing the matching among the third magnetic blocks, the fourth magnetic blocks and the fourth springs, so that the damage is avoided.
Drawings
FIG. 1 is a schematic view of the internal structure of a buffering structure of an ultra-large hydraulic hoist according to the present invention;
FIG. 2 is a schematic cross-sectional view of the telescopic rod of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. the hydraulic hoist comprises a hydraulic hoist body, 2, a rodless cavity, 3, a rod cavity, 4, a piston, 5, a sealing gasket, 6, a first buffer mechanism, 601, a U-shaped limiting frame, 602, a first magnetic block, 603, a second magnetic block, 7, a second buffer mechanism, 701, an installation frame, 702, a sliding rod, 703, a sliding sleeve, 704, a first spring, 705, a pressing plate, 706, a telescopic rod, 707, a second spring, 708, a pressing block, 8, a third buffer mechanism, 801, a third magnetic block, 802, a fourth spring, 803, a fourth magnetic block, 9 and a piston rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a buffering structure of an ultra-large hydraulic hoist comprises
The hydraulic hoist comprises a hydraulic hoist body 1, wherein a rodless cavity 2 and a rod cavity 3 are arranged in the hydraulic hoist body 1, a piston 4 is arranged between the rodless cavity 2 and the rod cavity 3 in a sliding mode, and a piston rod 9 is fixedly connected to one side of the piston 4;
the first buffer mechanisms 6 are arranged on the inner walls of the two sides of the rodless cavity 2, and the first buffer mechanisms 6 can play a certain buffer role in the movement of the piston 4;
the second buffer mechanism 7 is arranged between the first buffer mechanisms 6, and the second buffer mechanism 7 is arranged to be conveniently matched with the first buffer mechanism 6 to play a certain buffer role on the piston 4 when the piston 4 retracts;
buffer gear three 8, and set up inside the both sides lateral wall that has pole chamber 3 rightmost side, through setting up buffer gear three 8, can avoid piston 4 and hydraulic hoist body 1 inner wall direct contact when piston 4 extends, improve the protection to hydraulic hoist body 1.
In the embodiment of the invention, the first buffer mechanism 6 is composed of a U-shaped limit frame 601 and a first magnetic block 602 which are fixedly connected to the inner walls of the two sides of the rodless cavity 2, two first magnetic blocks 602 are not fixedly installed in an opening of the U-shaped limit frame 601, two second magnetic blocks 603 are respectively and fixedly connected to the two sides of the side wall of the first piston 4 close to the first buffer mechanism 6, the magnetic poles of the first magnetic blocks 602 and the second magnetic blocks 603 on the opposite sides are the same, when the piston 4 retracts, the piston 4 can be buffered by utilizing the principle that the same poles of the magnets repel each other, and the retraction speed is prevented from being high, so that the piston 4 collides with the hydraulic hoist body 1.
In the embodiment of the present invention, the second buffer mechanism 7 is composed of an installation frame 701 and a pressing plate 705 fixedly connected between the two first buffer mechanisms 6, mounting grooves are formed in the side walls of the two sides of the installation frame 701, a sliding rod 702 is fixedly connected in the mounting grooves, a sliding sleeve 703 is slidably sleeved on the sliding rod 702, a first spring 704 sleeved on the sliding rod 702 is arranged on one side of the sliding sleeve 703, a pressing plate 705 is fixedly connected between the two sliding sleeves 703, an expansion link 706 is fixedly connected between the pressing plate and the installation frame 701, a second spring 707 is sleeved on the outer side of the expansion link 706, a pressing block 708 is fixedly installed at the middle position of the side wall of the piston 4 close to the first buffer mechanism 6, in the retraction process of the piston 4, the pressing block 708 presses the pressing plate 705 to press the first spring 704 of the sliding sleeve 703 on the two sides, and further, the second spring 707 is compressed by the expansion link 706, the elastic force action of the first spring 704 and the second spring 707 is used for realizing the buffering of the interior of the hydraulic hoist body 1.
In the embodiment of the present invention, the telescopic rod 706 is composed of an outer rod 7061 and an inner rod 7064 fixedly connected to the inner side wall of the rodless cavity 2, a moving groove 7062 is disposed inside the outer rod 7061, the inner rod 7064 is slidably connected inside the moving groove 7062, a spring tri 7063 is fixedly connected between the lower side of the inner rod 7064 and the bottom wall of the moving groove 7062, and the inner portion of the hydraulic hoist body 1 can be further buffered by the elastic force of the spring 7063.
In the embodiment of the invention, the buffer mechanism three 8 comprises a magnetic block three 801 fixedly connected to two sides of a side wall of the rod cavity 3 and a magnetic block four 803 fixedly connected to two sides of a side wall of the piston 4 close to the rod cavity 3, the magnetic block three 801 is sleeved with a spring four 802, and magnetic poles of opposite sides of the magnetic block three 801 and the magnetic block four 803 are the same, so that the magnetic blocks three 801, the magnetic block four 803 and the spring four 802 can be matched with each other, and the piston 4 is prevented from directly contacting with the inner wall of the hydraulic hoist body 1 when driving the piston rod 9 to extend, and damage is avoided.
Example two
Referring to fig. 1 to 3, a buffering structure of an ultra-large hydraulic hoist comprises
The hydraulic hoist comprises a hydraulic hoist body 1, wherein a rodless cavity 2 and a rod cavity 3 are arranged in the hydraulic hoist body 1, a piston 4 is arranged between the rodless cavity 2 and the rod cavity 3 in a sliding mode, and a piston rod 9 is fixedly connected to one side of the piston 4;
the first buffer mechanisms 6 are arranged on the inner walls of the two sides of the rodless cavity 2, and the first buffer mechanisms 6 can play a certain buffer role in the movement of the piston 4;
the second buffer mechanism 7 is arranged between the first buffer mechanisms 6, and the second buffer mechanism 7 is arranged to be conveniently matched with the first buffer mechanism 6 to play a certain buffer role on the piston 4 when the piston 4 retracts;
buffer gear three 8, and set up inside the both sides lateral wall that has pole chamber 3 rightmost side, through setting up buffer gear three 8, can avoid piston 4 and hydraulic hoist body 1 inner wall direct contact when piston 4 extends, improve the protection to hydraulic hoist body 1.
In the embodiment of the invention, the middle position of the piston 4 is provided with the mounting groove, and the sealing washer 5 is fixedly arranged in the mounting groove, so that the mutual permeation of hydraulic oil between the rodless cavity 2 and the rod cavity 3 is prevented, and the reduction of the moving speed of the piston rod 9 is avoided.
The working principle is as follows: when the buffer structure of the ultra-large hydraulic hoist is used, when the piston retracts, the pressing block 708 presses the pressing plate 705 to enable the pressing plate 705 to press the sliding sleeve 703 on two sides to compress the first spring 704, the telescopic rod 706 compresses the second spring 707, the buffer inside the hydraulic hoist body 1 is realized by the elastic force action of the first spring 704 and the second spring 707, meanwhile, the cooperation between the magnetic block three 801, the magnetic block four 803 and the spring four 802 is utilized to prevent the piston 4 from directly contacting the inner wall of the hydraulic hoist body 1 when the piston 4 drives the piston rod 9 to extend, so as to avoid damage, when one buffer mechanism is damaged, the hydraulic hoist can be buffered by the other buffer mechanism to ensure the running stability, and the cooperation between the magnetic block three 801, the magnetic block four 803 and the spring four 802 is utilized to prevent the piston 4 from driving the piston rod 9 to extend, directly contact with the inner wall of the hydraulic hoist body 1, thereby avoiding damage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A buffer structure of an ultra-large hydraulic hoist is characterized by comprising
The hydraulic hoist comprises a hydraulic hoist body (1), wherein a rodless cavity (2) and a rod cavity (3) are arranged in the hydraulic hoist body, a piston (4) is arranged between the rodless cavity (2) and the rod cavity (3) in a sliding mode, and a piston rod (9) is fixedly connected to one side of the piston (4);
the first buffer mechanisms (6) are arranged on the inner walls of the two sides of the rodless cavity (2), and the first buffer mechanisms (6) can play a certain buffer role in the movement of the piston (4);
the second buffer mechanism (7) is arranged between the first buffer mechanisms (6), and the second buffer mechanism (7) is arranged to be convenient to cooperate with the first buffer mechanism (6) to play a certain buffer role on the piston (4) when the piston (4) retracts;
buffer gear three (8), and set up inside the both sides lateral wall that has pole chamber (3) rightmost side, through setting up buffer gear three (8), can avoid piston (4) and hydraulic hoist body (1) inner wall direct contact when piston (4) are elongated, improve the protection to hydraulic hoist body (1).
2. The buffer structure of the ultra-large hydraulic hoist according to claim 1, characterized in that: the buffer mechanism I (6) is composed of a U-shaped limiting frame (601) and a magnetic block I (602) which are fixedly connected to the inner walls of the two sides of the rodless cavity (2), the opening of the U-shaped limiting frame (601) is internally and fixedly provided with the magnetic block I (602), two sides of the side wall, close to the buffer mechanism I (6), of the piston (4) are fixedly connected with the magnetic block II (603) respectively, and the magnetic poles of the opposite sides of the magnetic block I (602) and the magnetic block II (603) are the same.
3. The buffer structure of the ultra-large hydraulic hoist according to claim 1, characterized in that: buffer gear two (7) are two by the rigid coupling installing frame (701) between buffer gear (6) and support clamp plate (705) and constitute, the inside mounting groove that is provided with of both sides lateral wall of installing frame (701), and the rigid coupling has slide bar (702) in the mounting groove, sliding sleeve (703) have been cup jointed on slide bar (702), one side of slide sleeve (703) is provided with cup joints spring one (704) of slide bar (702), two the rigid coupling has to support clamp plate (705) between slide sleeve (703), it has telescopic link (706) to support the rigid coupling between clamp plate (705) and installing frame (701), and telescopic link (706) outside has cup jointed spring two (707), lateral wall intermediate position fixed mounting that piston (4) are close to buffer gear (6) has to briquetting (708).
4. The buffer structure of the ultra-large hydraulic hoist according to claim 3, characterized in that: telescopic link (706) are in by the rigid coupling outer pole (7061) and interior pole (7064) on no pole chamber (2) inside wall constitute, the inside of outer pole (7061) is provided with shift gate (7062), and the inside sliding connection of shift gate (7062) has interior pole (7064), the rigid coupling has spring three (7063) between the downside of interior pole (7064) and the diapire of shift gate (7062).
5. The buffer structure of the ultra-large hydraulic hoist according to claim 1, characterized in that: the buffer mechanism III (8) comprises a magnet III (801) fixedly connected to two sides of the side wall of one side inside the rod cavity (3) and a magnet IV (803) fixedly connected to two sides of the side wall of one side, close to the rod cavity (3), of the piston (4), a spring IV (802) is sleeved on the magnet III (801), and magnetic poles of opposite sides of the magnet III (801) and the magnet IV (803) are the same.
6. The buffer structure of the ultra-large hydraulic hoist according to claim 1, characterized in that: and a mounting groove is formed in the middle of the piston (4), and a sealing washer (5) is fixedly arranged in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436708.8A CN114233719A (en) | 2021-11-30 | 2021-11-30 | Buffer structure of ultra-large hydraulic hoist |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111436708.8A CN114233719A (en) | 2021-11-30 | 2021-11-30 | Buffer structure of ultra-large hydraulic hoist |
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| CN114233719A true CN114233719A (en) | 2022-03-25 |
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| CN202111436708.8A Pending CN114233719A (en) | 2021-11-30 | 2021-11-30 | Buffer structure of ultra-large hydraulic hoist |
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| JPH09184539A (en) * | 1996-01-04 | 1997-07-15 | Yoshikazu Tsuchiya | Magnetic cushion |
| CN102741551A (en) * | 2009-12-14 | 2012-10-17 | Acc奥地利有限公司 | Coolant compressor with linear drive |
| CN108425988A (en) * | 2018-04-11 | 2018-08-21 | 盐城派威机械有限公司 | A kind of oil truck engine shock absorbing device and shock-dampening method |
| CN208294870U (en) * | 2018-04-15 | 2018-12-28 | 漳州红点商务咨询有限公司 | Slender type cylinder buffering structure |
| CN110259880A (en) * | 2019-06-14 | 2019-09-20 | 合肥卓畅农业科技有限公司 | A kind of agricultural machinery novel shock absorption device |
| CN211573903U (en) * | 2019-07-30 | 2020-09-25 | 浙江台连低温科技有限公司 | Piston rod with buffer structure |
| CN210949356U (en) * | 2019-11-27 | 2020-07-07 | 青岛博宏盛机械有限公司 | Long-life double-seal oil cylinder piston |
| CN211259197U (en) * | 2019-12-19 | 2020-08-14 | 江苏力速达液压有限公司 | Buffer hydraulic oil cylinder |
| CN214288578U (en) * | 2020-11-10 | 2021-09-28 | 青岛富勒烯碳材料有限公司 | Novel drum-type graphite grinder |
| CN112483506A (en) * | 2020-11-27 | 2021-03-12 | 浙江拓邦液压科技有限公司 | High-pressure oil cylinder structure with buffer function |
| CN214331054U (en) * | 2021-01-11 | 2021-10-01 | 晋江博鸿机械有限公司 | Novel die assembly oil cylinder for oil pressure machinery |
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