CN211474818U - Hydraulic stepless speed change driving wheel - Google Patents
Hydraulic stepless speed change driving wheel Download PDFInfo
- Publication number
- CN211474818U CN211474818U CN201922018720.1U CN201922018720U CN211474818U CN 211474818 U CN211474818 U CN 211474818U CN 201922018720 U CN201922018720 U CN 201922018720U CN 211474818 U CN211474818 U CN 211474818U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- driven hydraulic
- push rod
- sliding
- central driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to an automobile drive field, especially a fluid pressure type infinitely variable drive wheel. The device comprises a slide bar and driving hydraulic pushing mechanisms respectively arranged at two ends of the slide bar, wherein a driven hydraulic pushing mechanism is arranged on the slide bar, and the slide bar is connected with the outer contour of a wheel hub through the driven hydraulic pushing mechanism; the sliding rod is provided with a plurality of sliding bulges along the circumferential direction of the sliding rod, and the sliding bulges are arranged along the axial direction of the sliding rod; the driven hydraulic pushing mechanism comprises a central driven hydraulic shell and a central driven hydraulic push rod, a plurality of central driven hydraulic shells are arranged at intervals in the circumferential direction of the push rod, the central driven hydraulic shells are arranged in the radial direction of the push rod and are connected with the push rod in a sliding mode, the adjacent central driven hydraulic shells are fixedly connected through connecting rods, one end of each central driven hydraulic push rod is arranged in the central driven hydraulic shell, and the other end of each central driven hydraulic push rod is fixedly connected with the outer contour. The pressure-resistant device is simple in structure, convenient to use, small in occupied space and not easy to be affected by external pressure.
Description
Technical Field
The utility model relates to an automobile drive field, especially a fluid pressure type infinitely variable drive wheel.
Background
In the development process of automobiles, transmissions are always researched and improved as the core part of the automobiles, wherein the stepless speed change of the automobiles is an important development direction. In the prior art, the manual gearbox and the automatic gearbox are complex in structure, gear combination is mostly used for gear shifting, and the gear shifting method has the advantages that when the number of gear shifting gears is increased to 7, the number of parts in the gearbox is increased to more than 500, so that technical and cost challenges exist, and the gears are generally difficult to increase continuously. In addition, the mature steel belt type stepless speed change technology uses a steel belt to perform friction transmission, which is different from the transmission gear transmission, but the steel belt type stepless speed change technology is limited by the material performance and the friction force of the steel belt and cannot be applied to high-power automobiles.
The stepless speed change device is partially changed to the driving wheel, so that the function of the traditional stepless speed change is kept, the diameter and the shape of the wheel hub can be adjusted, and the requirements of running on various bad terrains, even climbing on steps and hills and the like can be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect that prior art exists, provided a hydraulic type infinitely variable drive wheel, its simple structure, convenient to use, occupation space is little, is difficult for receiving ambient pressure's influence.
The technical scheme of the utility model is that: a hydraulic stepless speed change driving wheel comprises a sliding rod and driving hydraulic pushing mechanisms respectively arranged at two ends of the sliding rod, wherein a driven hydraulic pushing mechanism is arranged on the sliding rod, and the sliding rod is connected with the outer contour of a wheel hub through the driven hydraulic pushing mechanism;
the sliding rod is provided with a plurality of sliding bulges along the circumferential direction of the sliding rod, and the sliding bulges are arranged along the axial direction of the sliding rod;
the driven hydraulic pushing mechanism comprises a central driven hydraulic shell and a central driven hydraulic push rod, a plurality of central driven hydraulic shells are arranged at intervals along the circumferential direction of the slide rod, the central driven hydraulic shells are arranged along the radial direction of the slide rod, the central driven hydraulic shells are connected with the slide rod in a sliding manner, adjacent central driven hydraulic shells are fixedly connected through a connecting rod, one end of the central driven hydraulic push rod is arranged in the central driven hydraulic shell, and the other end of the central driven hydraulic push rod is fixedly connected with the outer contour;
the hub outer contour is composed of a plurality of outer contour plates, and the plurality of outer contour plates form a complete annular hub outer contour;
the driving hydraulic pushing mechanism comprises a polygonal body hydraulic oil pump, a threaded hydraulic shell, a driving hydraulic push rod, a ring, a stop spring and a pushing push rod, the polygonal body hydraulic oil pump is fixedly connected with the end part of the sliding rod, the threaded hydraulic shell is respectively fixed on the side wall of the polygonal body hydraulic oil pump, one end of the driving hydraulic push rod is positioned in the threaded hydraulic shell, one end of the driving hydraulic push rod, facing the sliding rod, is fixedly connected with the ring, the ring is sleeved on the outer surface of the sliding rod in a sliding manner, the other side surface of the ring is connected with the pushing push rod through the stop spring, and the pushing push rod is hinged with the outer contour plate;
the outer surface of the sliding rod is provided with a plurality of strip-shaped grooves along the axial direction, and the stop springs are arranged in the strip-shaped grooves.
The utility model discloses in, the internal surface of outer profile board is equipped with fixed connection board, fixed connection board's middle part and the driven hydraulic push rod fixed connection in center, and fixed connection board's both ends are articulated with the promotion push rod respectively.
The end part of the central driven hydraulic shell is provided with a T-shaped groove, the sliding bulge is arranged in the T-shaped groove, and the sliding bulge slides in the T-shaped groove. The connection between the central driven hydraulic shell and the sliding rod is realized, and the central driven hydraulic shell can axially slide along the sliding bulge of the sliding rod.
The outer surface of outer profile board is equipped with several slots.
The utility model has the advantages that:
(1) the push rod in the utility model is arranged obliquely, so that the negative influence of the external pressure can be reduced on the premise of ensuring the working requirement;
(2) the external influence is counteracted by arranging the stop spring and utilizing the elasticity of the spring;
(3) the threaded hydraulic shell can be used as a cylinder body of a hydraulic cylinder, and can also be used as a wheel body and external construction part, and meanwhile, a hydraulic pipeline can normally work when the wheel body works, and the situations of mutual winding, unstable oil supply pressure and the like are avoided;
(4) the central driven hydraulic propelling mechanism has the function of assisting the action of the driving hydraulic propelling mechanism and plays a role in slowing down the external pressure;
(5) the polygonal hydraulic pump body is tightly matched with the wheel body flange, so that the whole space is compressed, and the phenomena of winding of an oil way, unstable oil supply pressure and the like during working are prevented.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic perspective view of the present invention.
In the figure: 1, a threaded hydraulic housing; 2, driving a hydraulic push rod; 3, a circular ring; 4, a stop spring; 5, the outer contour of the hub; 501 outer contour plates; 502 fixing the connecting plate; 6 pushing the push rod; 7 hexagonal hydraulic oil pump; 8 center driven hydraulic housing; 9 center driven hydraulic push rod; 10 connecting rods; 11 a slide bar; 1101 sliding projection.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.
Fig. 1 to fig. 3 are the hydraulic type stepless speed change driving wheel, including slide bar 11 and the initiative hydraulic pressure pushing mechanism who sets up respectively at slide bar 11 both ends, be equipped with driven hydraulic pressure pushing mechanism on slide bar 11, slide bar 11 is connected with wheel hub outline 5 through driven hydraulic pressure pushing mechanism.
The slide bar 11 is provided with a plurality of slide protrusions 1101 along a circumferential direction thereof, and the slide protrusions 1101 are arranged along an axial direction of the slide bar 11. By providing the sliding projection, the driven hydraulic pushing mechanism can slide in the axial direction of the slide bar 11. The driven hydraulic pushing mechanism comprises a central driven hydraulic shell 8 and a central driven hydraulic push rod 9, a plurality of central driven hydraulic shells 8 are arranged at intervals along the circumferential direction of a slide rod 11, and the central driven hydraulic shells 8 are arranged along the radial direction of the slide rod 11. The central driven hydraulic shell 8 is connected with the sliding rod 11 in a sliding mode, a T-shaped groove is formed in the end portion of the central driven hydraulic shell 8, the sliding protrusion 1101 is arranged in the T-shaped groove, and the sliding protrusion 1101 slides in the T-shaped groove, so that the connection between the central driven hydraulic shell 8 and the sliding rod 11 is achieved, and the central driven hydraulic shell 8 can slide axially along the sliding protrusion 1101 of the sliding rod 11. The adjacent central driven hydraulic shells 8 are fixedly connected through a connecting rod 10. One end of a central driven hydraulic push rod 9 is arranged in the central driven hydraulic shell 8, and the other end of the central driven hydraulic push rod is fixedly connected with the outer contour 5 of the wheel hub. Wheel hub outline 5 comprises polylith outer profile board 501, and a complete annular wheel hub outline is constituteed to a plurality of outer profile boards, the utility model discloses in, the quantity of outer profile board is the same with the quantity of the driven hydraulic pressure shell 8 in center, the outer profile board of being connected that every driven hydraulic pressure shell in center corresponds promptly. The outer surface of outer contour plate 501 is provided with a plurality of grooves, and the grooves facilitate the movement and fixation of devices such as push rods during adjustment.
Initiative hydraulic pressure pushing mechanism includes hexagonal body hydraulic oil pump 7, screw thread hydraulic pressure shell 1, initiative hydraulic push rod 2, ring 3, stop spring 4 and promotes push rod 6, hexagonal body hydraulic oil pump 7 and slide bar 11's tip fixed connection, is fixed with screw thread hydraulic pressure shell 1 on six lateral walls of hexagonal body hydraulic oil pump 7 respectively, and the one end of initiative hydraulic push rod 2 is located screw thread hydraulic pressure shell 1, its one end and ring 3 fixed connection towards slide bar 11. The ring 3 is slidably sleeved on the outer surface of the sliding rod 11, one side surface of the ring 3 is fixedly connected with the driving hydraulic push rod 2, the other side surface of the ring 3 is connected with the pushing push rod 6 through the stop spring 4, one end of the pushing push rod 6 is connected with the stop spring 4, and the other end of the pushing push rod 6 is hinged to the outer contour plate 501. The outer surface of the sliding rod 11 is provided with a plurality of strip-shaped grooves along the axial direction, the stop springs 4 are respectively arranged in the strip-shaped grooves, and the strip-shaped grooves play a role in positioning.
In this embodiment, the hub outer contour 5 is composed of six outer contour plates 501, so the corresponding hydraulic oil pump is a hexagonal hydraulic oil pump, and the number of the driving hydraulic push rod 2, the stop spring 4, the pushing push rod 6, the central driven hydraulic housing 8, and the central driven hydraulic push rod 9 is six. The number of the above components in the present invention can be selected according to the actual working condition, and is not limited to the number in the present embodiment.
In order to ensure the strength of the outer contour plate in the working process, a fixed connecting plate 502 is arranged on the inner surface of the outer contour plate 501, the middle part of the fixed connecting plate 502 is fixedly connected with the central driven hydraulic push rod 9, and two ends of the fixed connecting plate 502 are respectively hinged with the push rods 6.
The working principle of the utility model is as follows: under the drive of hexagonal hydraulic oil pump 7 for hydraulic oil in screw thread hydraulic pressure shell 1 outwards promotes initiative hydraulic push rod 2, and then drives ring 3 drive locking spring 4, and locking spring 4 transmits the driving force of ring 3 to promoting push rod 6, promotes push rod 6 and promotes each outer contour plate, adjusts deformation to wheel hub outline 5, makes the diameter of wheel hub outline 5 change. Since the hub outer contour 5 is the outer boundary of the wheel, when the hub outer contour 5 is deformed, the contour diameter changes according to V ═ ω R, the acceleration ω is constant because the engine speed is constant, and the wheel speed V changes at this time. Meanwhile, the driven hydraulic pushing mechanism assists in pushing the pushing action of the push rod 6, and external pressure is relieved.
The wheel does a fixed shaft circular motion when in work, so the wheel is easy to return to the original shape when deformed when driven due to the external pressure, and the external force applied to the driving hydraulic push rod
FHorizontal bar＝F*sinα/cosα
And alpha is smaller than 90 deg., so that the hydraulic rod is subjected to a smaller external force than the wheels. Meanwhile, the combined effect of the elastic force of the stop spring, the stable thrust output when the driving hydraulic push rod is stable and the upward thrust of the central driven hydraulic push rod is added to offset the external pressure on the outer contour so as to ensure the working wheel
The working diameter of the seed is guaranteed to be stable and unchanged.
It is right above that the utility model provides a fluid pressure type infinitely variable drive wheel has introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A hydraulic type stepless speed change driving wheel is characterized in that: the hub outer contour adjusting mechanism comprises a sliding rod (11) and driving hydraulic pushing mechanisms respectively arranged at two ends of the sliding rod (11), wherein a driven hydraulic pushing mechanism is arranged on the sliding rod (11), and the sliding rod (11) is connected with a hub outer contour (5) through the driven hydraulic pushing mechanism;
a plurality of sliding bulges (1101) are arranged on the sliding rod (11) along the circumferential direction of the sliding rod, and the sliding bulges (1101) are arranged along the axial direction of the sliding rod (11);
the driven hydraulic pushing mechanism comprises a central driven hydraulic shell (8) and a central driven hydraulic push rod (9), a plurality of central driven hydraulic shells (8) are arranged at intervals along the circumferential direction of a sliding rod (11), the central driven hydraulic shells (8) are arranged along the radial direction of the sliding rod (11), the central driven hydraulic shells (8) are in sliding connection with the sliding rod (11), adjacent central driven hydraulic shells (8) are fixedly connected through a connecting rod (10), one end of the central driven hydraulic push rod (9) is arranged in the central driven hydraulic shell (8), and the other end of the central driven hydraulic push rod is fixedly connected with the outer contour (5) of the wheel hub;
the outer contour (5) is composed of a plurality of outer contour plates (501), and the outer contour plates form a complete annular hub outer contour;
the driving hydraulic pushing mechanism comprises a polygonal hydraulic oil pump (7), a threaded hydraulic shell (1), a driving hydraulic push rod (2), a circular ring (3), a stop spring (4) and a pushing push rod (6), wherein the polygonal hydraulic oil pump (7) is fixedly connected with the end part of a sliding rod (11), the threaded hydraulic shell (1) is fixed on the side wall of the polygonal hydraulic oil pump (7) respectively, one end of the driving hydraulic push rod (2) is positioned in the threaded hydraulic shell (1), one end of the driving hydraulic push rod, facing the sliding rod (11), is fixedly connected with the circular ring (3), the circular ring (3) is sleeved on the outer surface of the sliding rod (11) in a sliding mode, the other side surface of the circular ring (3) is connected with the pushing push rod (6) through the stop spring (4), and the pushing push rod (6) is hinged to an outer contour plate (501);
the outer surface of the sliding rod (11) is provided with a plurality of strip-shaped grooves along the axial direction, and the stop springs (4) are arranged in the strip-shaped grooves.
2. The hydraulic continuously variable drive wheel according to claim 1, characterized in that: the inner surface of the outer contour plate (501) is provided with a fixed connecting plate (502), the middle part of the fixed connecting plate (502) is fixedly connected with the central driven hydraulic push rod (9), and two ends of the fixed connecting plate (502) are respectively hinged with the push rod (6).
3. The hydraulic continuously variable drive wheel according to claim 1, characterized in that: the end part of the central driven hydraulic shell (8) is provided with a T-shaped groove, the sliding protrusion (1101) is arranged in the T-shaped groove, and the sliding protrusion (1101) slides in the T-shaped groove.
4. The hydraulic continuously variable drive wheel according to claim 1, characterized in that: the outer surface of outer contour plate (501) is equipped with several slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018720.1U CN211474818U (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change driving wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018720.1U CN211474818U (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change driving wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474818U true CN211474818U (en) | 2020-09-11 |
Family
ID=72362776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922018720.1U Expired - Fee Related CN211474818U (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change driving wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211474818U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985637A (en) * | 2019-11-21 | 2020-04-10 | 青岛农业大学 | Hydraulic stepless speed change power wheel |
| CN112178159A (en) * | 2020-10-09 | 2021-01-05 | 徐俊韬 | Belt transmission wheel with adjustable transmission radius |
-
2019
- 2019-11-21 CN CN201922018720.1U patent/CN211474818U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985637A (en) * | 2019-11-21 | 2020-04-10 | 青岛农业大学 | Hydraulic stepless speed change power wheel |
| CN110985637B (en) * | 2019-11-21 | 2024-06-04 | 青岛农业大学 | Hydraulic stepless speed change power wheel |
| CN112178159A (en) * | 2020-10-09 | 2021-01-05 | 徐俊韬 | Belt transmission wheel with adjustable transmission radius |
| CN112178159B (en) * | 2020-10-09 | 2021-06-15 | 肇庆市多成传动机械有限公司 | Belt transmission wheel with adjustable transmission radius |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5829792B2 (en) | Gear device | |
| CN211474818U (en) | Hydraulic stepless speed change driving wheel | |
| US5425683A (en) | Single-ring-gear planetary transmisssion unit with small difference between teeth of meshing gears | |
| US20110308344A1 (en) | Mechanical, multi-step automatic gearbox | |
| CN110985637A (en) | Hydraulic stepless speed change power wheel | |
| CN109667893B (en) | Three-gear planetary gear automatic transmission and pure electric vehicle | |
| CN201526653U (en) | Retractable-piston rod type stepless transmission | |
| CN204061851U (en) | Built-in clutch and shift control mechanism thereof | |
| CN207830474U (en) | A kind of multipurpose low speed gearbox | |
| CN204729563U (en) | The two-shift automatic speed variator of a kind of lock ring of bi-directional moment of torsion, clutch and application | |
| US20140248990A1 (en) | Continuous variable transmission system and use thereof | |
| CN202851833U (en) | Harmonic drive reducer provided with planetary wave generator | |
| CN106985960B (en) | Double-front-wheel direct-drive pawl moving and gear shifting speed change device | |
| CN103388662A (en) | Lever type centrifugal force stepless automatic speed changer | |
| CN202646586U (en) | Elastic buffer device | |
| CN102537276A (en) | Elastic buffer device | |
| CN218625304U (en) | Planetary gear and ball screw combined transmission mechanism with load balancing mechanism | |
| CN204327951U (en) | Selector | |
| CN217874017U (en) | Flexible gear shifting device based on planet wheel | |
| CN206246652U (en) | A kind of buffer gear in bidirectional automatic gear shifting transmission gear for electric motor | |
| CN201149052Y (en) | Automatic clutch assembly for automobile | |
| CN218817987U (en) | Bidirectional transmission device | |
| CN204239634U (en) | A kind of hydraulic control automatic transmission and hydraulic control transmission cars | |
| CN201141409Y (en) | Braking contrarotation device of novel automatic clutch for automobile | |
| CN204900686U (en) | Force amplifier that energy cycle was shifted |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 Termination date: 20211121 |