CN111375190A - Hydraulic drive's removal axle center - Google Patents
Hydraulic drive's removal axle center Download PDFInfo
- Publication number
- CN111375190A CN111375190A CN201911408859.5A CN201911408859A CN111375190A CN 111375190 A CN111375190 A CN 111375190A CN 201911408859 A CN201911408859 A CN 201911408859A CN 111375190 A CN111375190 A CN 111375190A
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- hydraulic cylinder
- piston rod
- hydraulic
- rubber sleeve
- shaft center
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Fluid-Damping Devices (AREA)
- Actuator (AREA)
Abstract
The invention discloses a hydraulically-driven movable shaft center, which comprises a switch assembly, a hydraulic driving assembly and a shaft center, wherein the switch assembly is arranged on the shaft center; the switch assembly is connected with the hydraulic driving assembly in a contact mode and used for locking or unlocking the hydraulic driving assembly, and the hydraulic driving assembly is connected with the shaft center; the hydraulic driving assembly comprises a power element and an actuating element, the power element is in driving connection with the actuating element, and the power element drives the shaft center to perform lifting motion through the actuating element; the invention adds the axle center of hydraulic drive movement to the common bicycle, so that the rider can rise and fall all over the bicycle in the riding process, thereby achieving the effect of exercising all over the bicycle; and simple structure, fluctuation is steady from top to bottom, and the shock attenuation is effectual, can effectively reduce mechanical failure.
Description
Technical Field
The invention relates to the field of bicycles, in particular to a hydraulically driven moving axle center.
Background
The bicycle is an energy-saving and environment-friendly vehicle, can exercise the body, and is popular among office workers and outdoor sporters, but in the current flat-ground bicycle, a rider only pedals the pedals with force on legs and crotch in the riding process, and other parts of the body of the rider do not exercise, especially the abdomen and arms of the rider cannot exercise the whole body, and the body of the rider is partially sore and uneven in body shape after long-time riding; the existing pure exercise bicycle can achieve the effect of whole body exercise, but is fixed in a gymnasium, so that the requirement of a rider for exercising the body while riding the bicycle cannot be met; and the exercise bicycle fixed in the exercise room has the disadvantages of complex mechanism for driving the axis to move, unstable axis movement, poor damping effect, easy mechanical failure and the like.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a hydraulically driven moving axle which can exercise the whole body during riding, and has a simple structure and a good damping effect.
A hydraulically driven movable shaft center is characterized by comprising a switch assembly, a hydraulic driving assembly and a shaft center; the switch assembly is connected with the hydraulic driving assembly in a contact mode and used for locking or unlocking the hydraulic driving assembly, and the hydraulic driving assembly is connected with the shaft center;
the hydraulic driving assembly comprises a power element and an executing element, the power element is in driving connection with the executing element, and the power element drives the shaft center to move up and down through the executing element.
Preferably, the power element comprises a first hydraulic cylinder, the actuating element comprises a second hydraulic cylinder, and an oil drainage hole is formed in the bottom of the second hydraulic cylinder; the oil drain hole leads to the first hydraulic cylinder.
Preferably, the hydraulic drive assembly comprises a piston rod, a first rubber sleeve and a second rubber sleeve; the piston rod is hermetically connected with the first hydraulic cylinder and the second hydraulic cylinder, and the top end of the piston rod extends out of the second hydraulic cylinder; the first rubber sleeve is fixed at one end of the piston rod and is positioned in the first hydraulic cylinder; the second rubber sleeve is fixedly connected with the piston rod and is positioned in the second hydraulic cylinder; and the piston rod moves up and down to drive the first rubber sleeve and the second rubber sleeve to seal the oil drainage hole.
Preferably, a stop block is arranged on the outer side of the actuating element; the baffle plate is characterized in that the number of the baffle plates is two, the edges of the axis are arranged in the two baffle plates, and the two baffle plates can clamp the edges of the axis.
Preferably, a movable oil seal is arranged inside the second hydraulic cylinder; the movable oil seal is arranged on the upper side of the second rubber sleeve, and the movable oil seal can move up and down in the second hydraulic cylinder.
Preferably, the cylinder wall of the second hydraulic cylinder is provided with an exhaust hole; the exhaust hole is arranged above the movable oil seal and communicated with the outside air.
Preferably, the part of the piston rod, which is exposed out of the actuating element, is sleeved with a second spring; the top end of the piston rod is provided with a cap edge, one end of the second spring is abutted to the executing element, and the other end of the second spring is abutted to the cap edge at the top end of the piston rod.
Preferably, the switch assembly comprises a boss and a circular shaft; the end face of the round shaft is downwards provided with a deep hole, and the round shaft is provided with an installation groove matched with the lug; one end of the convex block is clamped in the mounting groove, and the other end of the convex block extends out of the mounting groove.
Preferably, the switch assembly further comprises a cone and a thimble; the ejector pin can penetrate into the deep hole, and the projection can be driven to slide in the mounting groove by pressing the ejector pin; the cone is arranged on the circular shaft and positioned on one side of the convex block; the piston rod is vertically arranged below the cone.
Preferably, the electric vehicle further comprises a rim, the power element is integrated with the rim, and the actuating element is integrated with the shaft center.
Compared with the prior art, the bicycle has the advantages that the axle center of the hydraulic drive movement is added to the common bicycle, so that the rider can achieve the effect of whole body exercise in the riding process, the requirement of the rider for whole body exercise while riding is met, the structure is simple, the up-and-down fluctuation is stable, the damping effect is good, and the mechanical faults can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembly view of a hydraulically driven axle center of motion and a hydraulically driven assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of the general appearance of a hydraulically driven outer hub for moving the axle according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a hydraulically actuated switch for moving the shaft center when the hydraulically actuated switch locks the hydraulically actuated component (or when the shaft center is raised) according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a hydraulically driven traveling axis center of the hydraulic drive assembly as it descends according to an embodiment of the present invention;
FIG. 5 is an assembled view of a hydraulically driven shift hub provided by an embodiment of the present invention without the outer hub;
FIG. 6 is a schematic diagram of an overall assembly of a hydraulically driven movable hub according to an embodiment of the present invention;
the attached drawings are marked as follows:
1-switch component, 11-lug, 12-round shaft, 13-mounting groove, 14-cone, 15-thimble, 16-first spring, 2-hydraulic drive component, 21-power component, 211-first hydraulic cylinder, 2111-boss, 22-actuator, 221-second hydraulic cylinder, 2211-exhaust hole, 222-first concave-up, 223-oil drain hole, 224-stop block, 225-second concave-up, 226-movable oil seal, 23-sealing ring, 24-piston rod, 241-brim, 25-first rubber sleeve, 26-second rubber sleeve, 27-second spring, 3-axle center, 31-first box body, 32-second box body, 33-round hole, 4-outer hub, 41-left cover, 42-right cover, 43-left slide block, 44-right slide block.
Detailed Description
To facilitate an understanding of the present invention, the hydraulically driven moving hub will be described more fully hereinafter with reference to the accompanying drawings. The figures show a preferred embodiment of a hydraulically driven displacement hub. However, the hydraulically driven moving hub may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the hydraulically driven travel axis is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiment of the invention provides a hydraulically-driven moving shaft center, and as shown in fig. 1, the hydraulically-driven moving shaft center comprises a switch assembly 1, a hydraulic driving assembly 2 and a shaft center 3; the switch assembly 1 is connected with the hydraulic drive assembly 2 in a contact mode, the switch assembly 1 is used for locking or unlocking the hydraulic drive assembly 2, and the hydraulic drive assembly 2 is connected with the shaft center 3;
the hydraulic driving assembly 2 comprises a power element 21 and an actuating element 22, the power element 21 is in driving connection with the actuating element 22, and the power element 21 drives the shaft center 3 to move up and down through the actuating element 22.
Therefore, the switch component 1 is separated from the hydraulic driving component 2, and the hydraulic driving component 2 is opened, so that the power component 21 can drive the actuating component 22 to move upwards, the actuating component 22 drives the shaft center 3 to move upwards in the upward movement process, the shaft center 3 is moved in such a way, the hydraulic driving shaft center is adopted to move, the shaft center is stably moved, the damping effect is good, the hydraulic driving moving shaft center is applied to the bicycle, the whole body fluctuation of a rider can be realized, and the whole body exercise effect is achieved.
As shown in fig. 2 and 3, the power element 21 includes a sealed first hydraulic cylinder 211, the first hydraulic cylinder 211 is U-shaped, the actuator 22 includes a sealed second hydraulic cylinder 221, a first concave-convex 222 is disposed outside the second hydraulic cylinder 221, the first concave-convex 222 is matched with two sides of the U-shape, a cylinder wall of the second hydraulic cylinder 221 is used as one side of the first concave-convex 222, and two sides of the U-shape of the first hydraulic cylinder 211 extend into the first concave-convex 222. A sealing ring 23 is arranged between two sides of the U-shape and the first concave-convex 222, and two sides of the U-shape can slide in the first concave-convex 222 but do not separate from the first concave-convex 222.
Further, the bottom of second pneumatic cylinder 221 sets up draining hole 223, draining hole 223 leads to first pneumatic cylinder 211, first pneumatic cylinder 211 with hydraulic oil is equipped with in the second pneumatic cylinder 221. In this way, the hydraulic oil may enter the second hydraulic cylinder 221 from the first hydraulic cylinder 211 through the oil release hole 223, or enter the first hydraulic cylinder 211 from the second hydraulic cylinder 221 through the oil release hole 223.
The hydraulic drive assembly 2 comprises a piston rod 24, a first rubber sleeve 25 and a second rubber sleeve 26; the piston rod 24 is hermetically connected with the penetrating parts of the first hydraulic cylinder 211 and the second hydraulic cylinder 221; the first rubber sleeve 25 is fixed on the piston rod 24 and is positioned in the first hydraulic cylinder 211; the second rubber sleeve 26 is fixed on the piston rod 24 and is located in the second hydraulic cylinder 221. In this way, the piston rod 24 moves up and down to drive the first rubber sleeve 25 and the second rubber sleeve 26 to cover the oil drainage hole 223.
As shown in fig. 3 and 4, the first rubber sleeve 25 and the second rubber sleeve 26 are distributed on two sides of the oil drainage hole 223, the first rubber sleeve 25 and the second rubber sleeve 26 are made of soft elastic rubber, when the first rubber sleeve 25 covers one side of the oil drainage hole 223 in the first hydraulic cylinder 211, the other side of the oil drainage hole 223 is exposed, and when the second rubber sleeve 26 covers one side of the oil drainage hole 223 in the second hydraulic cylinder 221, the other side of the oil drainage hole 223 is exposed; the hydraulic oil enters from the exposed oil drainage hole 223 and is extruded out from the gap which covers the other end of the oil drainage hole 223; the first rubber sleeve 25 and the second rubber sleeve 26 have softness and elasticity, so that the oil drainage hole 223 at the moment becomes a one-way oil drainage hole; therefore, the cover or the cover of the first rubber sleeve 25 and the second rubber sleeve 26 opposite to the oil drainage hole 223 is switched, so that the hydraulic oil of the first hydraulic cylinder 211 and the hydraulic oil of the second hydraulic cylinder 221 also flow into or flow out along with the switching. The first rubber sleeve 25 and the second rubber sleeve 26 can cover or expose the oil drain hole to judge the flow direction of the hydraulic oil.
A cap brim 241 is arranged on the part of the piston rod 24 exposed out of the second hydraulic cylinder 221, and a second spring 27 is sleeved on the piston rod 24; one end of the second spring 27 abuts against the cap edge 241, and the other end abuts against the wall of the top of the second hydraulic cylinder 221. The piston rod 24 is moved upward or downward by the elastic force of the second spring 27.
A stop block 224 is arranged on the outer side of the actuating element 22; specifically, the two stoppers 224 are perpendicular to the outer side of the first concave bulge 222, and a second concave bulge 225 is formed between the two stoppers 224. The axle center comprises two half box bodies, is first box body 31 and second box body 32 respectively, the central point that first box body 31 and second box body 32 fold puts and sets up round hole 33, the border of round hole 33 is inserted in order to the chucking in the second is concave up 225 axle center 3. Therefore, the hydraulic driving assembly 2 and the shaft center 3 are assembled and fixed in the second concave-convex 225 through the edge of the circular hole 33, and the shaft center 3 can be driven to move up and down when the hydraulic driving assembly 2 moves up and down.
Further, a movable oil seal 226 is arranged inside the second hydraulic cylinder 221; the movable oil seal 226 is perpendicular to the piston rod 24 and penetrates through the piston rod 24, the movable oil seal 226 is hermetically fixed on the piston rod 24, and the movable oil seal 226 is arranged on the upper side of the second rubber sleeve 26. The movable oil seal 226 is movable up and down in the second hydraulic cylinder 221 by the hydraulic pressure. When the hydraulic oil in the first hydraulic cylinder 211 flows into the second hydraulic cylinder 221, the movable oil seal 226 moves upward; when the hydraulic oil in the second hydraulic cylinder 221 flows to the first hydraulic cylinder 211, the movable oil seal 223 compresses the space of the second hydraulic cylinder 221.
The wall of the second hydraulic cylinder 221 is provided with an exhaust hole 2211; the exhaust hole 2211 is arranged above the movable oil seal 226, and the exhaust hole 2211 is communicated with the outside air. When the movable oil seal 226 moves upward under the hydraulic pressure, air above the movable oil seal 226 is discharged through the discharge hole 2211.
As shown in fig. 5, the switch assembly 1 includes a boss 11 and a circular shaft 12; a deep hole is formed downwards in the end face of the circular shaft 12, the lug 11 is T-shaped, and an installation groove 13 matched with the lug 11 is formed in the circular shaft 12; one end of the projection 11 is clamped in the mounting groove 13, specifically, the head of the T-shape extends into the mounting groove 13, and the other end of the projection 11 extends out of the mounting groove 13.
The switch assembly further comprises a cone 14 and a thimble 15; the thimble 15 can go deep into the round shaft 12 through a deep hole, and pressing the thimble 15 can drive the lug 11 to slide in the groove; the cone 14 penetrates through the circular shaft 12, and the top of the cone 14 is positioned on one side of the bump 11; a first spring 16 is arranged at the bottom of the cone 14, the cone 14 compresses the first spring 16 when moving backwards on the circular shaft 12 under the pushing of the lug 11, and the first spring 16 plays a role of buffering; the piston rod 24 is vertically arranged below the cone 14;
therefore, the projection 11 moves backwards in the mounting groove 13 under the pressing action of the thimble 15, so as to drive the cone 14 to move backwards on the circular shaft 12, the bottom of the cone 14 abuts against the first spring 16, and the curved surface of the cone 14 abuts against the brim 241 of the piston rod 24, when the projection 11 moves backwards to a certain position, the cone 14 presses the piston rod 24, so that the second rubber sleeve seal 26 covers one side of the oil drain hole 223, and the hydraulic drive assembly 2 is locked; the rider can select the whole-body up-and-down type body building to ride by turning on or off the switch assembly, and can also select the common riding.
The end of the thimble 15 away from the protrusion 11 is connected to a wire rope (not shown), and the wire rope is connected to a switch button (not shown), and the switch button can control whether the thimble 15 presses the protrusion 11, so as to control whether the hydraulic driving assembly 2 is locked.
Specifically, the hydraulic actuator further comprises a rim, a boss 2111 is arranged at the bottom of the first hydraulic cylinder 211, when pressure is applied to the boss 2111, the first hydraulic cylinder 211 can be driven to move upwards, so that the second hydraulic cylinder 221 is driven to move upwards, the boss 2111 and the rim are integrated, and the actuator 22 and the shaft center 3 are integrated.
The specific working process of the invention is that when the switch button is opened, the pressure at the top end of the piston rod 24 is released, the power element 21 and the actuating element 22 are separated due to the pressure release, the first rubber sleeve 25 covers one side of the oil drain hole 223 under the action of the elastic force of the second spring 27 on the piston rod 24, the second rubber sleeve 26 on the other side of the oil drain hole 223 simultaneously opens the oil drain hole 223, and at the moment, the hydraulic oil of the second hydraulic cylinder 221 enters the first hydraulic cylinder 211 from the oil drain hole 223.
When the switch button is opened, the hydraulic drive assembly starts to move, pressure generated by contact of wheels with the ground during driving is transmitted to the power element 21, the power element 21 moves upwards after receiving the pressure, the piston rod 24 drives the first rubber sleeve 25 to move downwards and simultaneously opens one side of the oil drain hole 223, the second rubber sleeve 26 covers the other side of the oil drain hole, hydraulic oil in the first hydraulic cylinder 211 flows into the second hydraulic cylinder 221 from the oil drain hole 223, the movable oil seal 226 moves upwards under the action of hydraulic pressure, air pressure generated in the second hydraulic cylinder 221 when the movable oil seal 226 moves upwards is discharged from the air exhaust hole 2211, so that the second hydraulic cylinder 221 is driven to move upwards, the second hydraulic cylinder 221 drives the shaft center 3 to move upwards, and when the shaft center 3 moves upwards to a certain position, the second rubber sleeve 26 seals the oil drain hole 223.
When the pressure generated by the contact point of the wheels with the ground is released during the running process, the pressure applied to the power element 21 is reduced, and the power element 21 automatically resets. The specific working steps are as follows: the power element 21 moves downwards, under the action of vacuum, the first rubber sleeve 25 is opened, so that one side of the oil drain hole 223 is opened, the second rubber sleeve 26 covers the other side of the oil drain hole 226, the piston rod 24 moves downwards, the second rubber sleeve 26 moves downwards, hydraulic oil is squeezed into the first hydraulic cylinder 211 from the second hydraulic cylinder 221 through the oil drain hole 223, so that the second hydraulic cylinder 221 moves downwards to drive the shaft center 3 to move downwards, when the shaft center 3 moves downwards to a certain position, the first rubber sleeve 25 seals the oil drain hole 223, and therefore the vertical movement of the shaft center is achieved, and the whole body of a rider can fluctuate.
When the switch button is turned off, the piston rod 24 moves downward, thereby pushing the actuator 22 downward until the actuator 22 and the power element 21 are brought together. I.e. the hub 3 returns to the central position. The hydraulic driving assembly is simple in structure, adopts hydraulic driving, enables the axis to run stably up and down, enables the vehicle body to fluctuate stably, and is good in damping effect, and mechanical faults are effectively reduced.
As shown in fig. 1 and 2, one end of the axle center 3 is connected with a chain, the chain is connected with pedals of the bicycle, and the axle center 3 can be driven to rotate by treading the pedals through the chain.
As shown in fig. 2 and 6, the bicycle hub further comprises an outer hub 4, the axle center 3 is mounted in the center of the outer hub 4 and extends out of two ends of the outer hub 4, the hydraulic driving device 2 is perpendicular to the axle center 3, the outer hub 4 further comprises a left cover 41 and a right cover 42, a square through hole is formed in the middle position of the left cover 41 and the right cover 42, the axle center extends out of two ends of the outer hub 4 through the square through hole and is connected with a bicycle gear, a left slide block 43 and a right slide block 44 are further arranged on the outer sides of the left cover 41 and the right cover 42, and the left slide block 43 and the right slide block 44 can move up and down along with the axle center 3 after being locked with the axle center 3; and the shaft center 3 drives the left slide block 43 and the right slide block 44 to slide up and down in the square through hole under the driving of the hydraulic driving component 2, so as to realize the deviation of the shaft center.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A hydraulically driven moving shaft center is characterized by comprising a switch component (1), a hydraulic driving component (2) and a shaft center (3); the switch assembly (1) is connected with the hydraulic driving assembly (2) in a contact mode, the switch assembly (1) is used for locking or unlocking the hydraulic driving assembly (2), and the hydraulic driving assembly (2) is connected with the shaft center (3);
the hydraulic driving assembly (2) comprises a power element (21) and an actuating element (22), the power element (21) is in driving connection with the actuating element (22), and the power element (21) drives the shaft center (3) to move up and down through the actuating element (22).
2. A hydraulically driven displacement hub according to claim 1, characterized in that the power member (21) comprises a first hydraulic cylinder (211), the actuator member (22) comprises a second hydraulic cylinder (221), and the bottom of the second hydraulic cylinder (221) is provided with a drain hole (223); the oil drain hole (223) opens into the first hydraulic cylinder (211).
3. A hydraulically driven displacement hub according to claim 2, characterized in that the hydraulic drive assembly (2) further comprises a piston rod (24), a first rubber sleeve (25) and a second rubber sleeve (26); the piston rod (24) is hermetically connected with the first hydraulic cylinder (211) and the second hydraulic cylinder (221), and the top end of the piston rod extends out of the second hydraulic cylinder (221); the first rubber sleeve (25) is fixed at one end of the piston rod (24) and is positioned in the first hydraulic cylinder (211); the second rubber sleeve (26) is fixedly connected with the piston rod (24) and is positioned in the second hydraulic cylinder (221); and the piston rod (24) moves up and down to drive the first rubber sleeve (25) and the second rubber sleeve (26) to seal the oil drainage hole (223).
4. A hydraulically driven displacement hub according to claim 1, characterized in that the actuator (22) is provided with a stop (224) on the outside; the number of the stop blocks (224) is two, the edges of the shaft center (3) are arranged in the two stop blocks (224), and the two stop blocks (224) can clamp the edges of the shaft center (3).
5. A hydraulically driven displacement hub according to claim 3, wherein the second hydraulic cylinder (221) is provided with a movable oil seal (226) therein; the movable oil seal (226) is arranged on the upper side of the second rubber sleeve (26), and the movable oil seal (226) can move up and down in the second hydraulic cylinder (221).
6. A hydraulically driven displacement centre according to claim 2, characterised in that the second hydraulic cylinder (221) has an exhaust opening (2211) in its wall; the exhaust hole (2211) is arranged above the movable oil seal (226), and the exhaust hole (2211) is communicated with the outside air.
7. A hydraulically driven displacement hub according to claim 3, characterized in that the piston rod (24) is provided with a second spring (27) extending over a portion of the piston rod which exposes the actuator (22); the top end of the piston rod (24) is provided with a cap edge (241), one end of the second spring (27) is abutted to the actuating element (22), and the other end of the second spring is abutted to the cap edge (241) at the top end of the piston rod (24).
8. A hydraulically driven moving hub according to any one of claims 1-7, characterized in that said switch assembly (1) comprises a cam (11) and a circular shaft (12); a deep hole is formed downwards in the end face of the round shaft (12), and a mounting groove (13) matched with the bump (11) is formed in the round shaft (12); one end of the convex block (11) is clamped in the mounting groove (13), and the other end of the convex block (11) extends out of the mounting groove (13).
9. A hydraulically driven mobile hub according to claim 8, characterized in that said switch assembly (1) further comprises a cone (14) and a thimble (15); the ejector pin (15) can go deep into the deep hole, and the projection (11) can be driven to slide in the mounting groove (13) by pressing the ejector pin (15); the cone (14) is arranged on the circular shaft (12) and is positioned on one side of the lug (11); the piston rod (24) is vertically arranged below the cone (14).
10. A hydraulically driven displacement hub according to any one of claims 1 to 7, further comprising a rim, said power element (21) being integral with the rim, and said actuator element (22) being integral with said hub (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408859.5A CN111375190B (en) | 2019-12-31 | 2019-12-31 | Hydraulic drive's removal axle center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408859.5A CN111375190B (en) | 2019-12-31 | 2019-12-31 | Hydraulic drive's removal axle center |
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| CN111375190A true CN111375190A (en) | 2020-07-07 |
| CN111375190B CN111375190B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911408859.5A Active CN111375190B (en) | 2019-12-31 | 2019-12-31 | Hydraulic drive's removal axle center |
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| CN208487163U (en) * | 2018-07-13 | 2019-02-12 | 周承岗 | Eccentric flat turn stepless transmission |
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| CN209224849U (en) * | 2018-11-15 | 2019-08-09 | 刘妙章 | By the cycle hub of weight loading movable axis |
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