CN111546827A - Deformation wheel telescopic mechanism based on hydraulic drive - Google Patents

Deformation wheel telescopic mechanism based on hydraulic drive Download PDF

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Publication number
CN111546827A
CN111546827A CN202010538551.9A CN202010538551A CN111546827A CN 111546827 A CN111546827 A CN 111546827A CN 202010538551 A CN202010538551 A CN 202010538551A CN 111546827 A CN111546827 A CN 111546827A
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CN
China
Prior art keywords
wheel
ring
telescopic
hydraulic
legs
Prior art date
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Pending
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CN202010538551.9A
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Chinese (zh)
Inventor
黎静
曾剑辉
孙正
黄博翰
曾瑜琦
曾睿
何梁
陈秀
薛龙
刘木华
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Jiangxi Agricultural University
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Jiangxi Agricultural University
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Publication date
Application filed by Jiangxi Agricultural University filed Critical Jiangxi Agricultural University
Priority to CN202010538551.9A priority Critical patent/CN111546827A/en
Publication of CN111546827A publication Critical patent/CN111546827A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B19/00Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
    • B60B19/02Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group convertible, e.g. from road wheel to rail wheel; Wheels specially designed for alternative use on road and rail
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00Purpose of invention
    • B60B2900/10Reduction of
    • B60B2900/133Noise
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00Purpose of invention
    • B60B2900/50Improvement of
    • B60B2900/511Sealing
    • B60B2900/5112Sealing against dust or dirt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00Purpose of invention
    • B60B2900/70Adaptation for
    • B60B2900/721Use under adverse external conditions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transplanting Machines (AREA)

Abstract

The invention discloses a deformable wheel telescopic mechanism capable of switching wheel legs, and relates to a deformable wheel telescopic mechanism based on hydraulic drive, which is suitable for various self-propelled agricultural machines for farmland operation, including mini-tillers and the like, and can improve the walking efficiency of the agricultural machines, enhance the driving force and reduce the wheel slip rate particularly during paddy field operation. The deformation wheel telescopic mechanism comprises an outer wheel ring 1, an inner wheel ring 3, a hydraulic system, telescopic legs 4 and connecting parts 5 for supporting and connecting. The deformation wheel telescopic mechanism can flexibly control the telescopic legs to be telescopic through a hydraulic system so as to change the working state, so that the deformation wheel telescopic mechanism can be suitable for walking on soft ground and hard ground such as soil. Each part of deformation wheel telescopic machanism prevents to expose in air and aquatic and takes place the corrosion through sealed or the processing of spraying paint, makes things convenient for the washing in later stage simultaneously. The invention improves the traction efficiency of paddy field agricultural machinery, and has good trafficability, simple structure and high stability.

Description

Deformation wheel telescopic mechanism based on hydraulic drive
Technical Field
The invention discloses a deformation wheel telescopic mechanism with a simple structure, relates to a hydraulic drive-based deformation wheel telescopic mechanism with wheel leg conversion, is suitable for various self-propelled agricultural machines for farmland operation, including mini-tillers and the like, and can improve the walking efficiency of the agricultural machines, enhance the driving force and reduce the wheel slip rate particularly during paddy field operation.
Background
The development speed of agricultural mechanization in China is faster and faster, the agricultural mechanization is in the golden period of rapid development, the demand on agricultural machinery in China is more vigorous, meanwhile, the updating speed of the agricultural machinery is gradually accelerated, and the requirement on the development speed of novel agricultural machinery is higher and higher. In the research of novel agricultural machinery, the requirement on the performance of the machinery, particularly the trafficability characteristic, is higher and higher, wheels are important parts which influence the trafficability characteristic of the machinery and directly influence the exertion of various service performances of the agricultural machinery, and the domestic paddy field agricultural machinery often causes the phenomena of high wheel slip rate, overlarge walking resistance, vehicle collapse and the like due to the irrational performance of the wheels; therefore, the design of the wheels suitable for the paddy field cohesive soil walking is beneficial to improving the hook traction force and the driving efficiency of the agricultural machine walking in the field operation, reducing the wheel slip, reducing the rolling resistance and the like.
Disclosure of Invention
The invention aims to provide a hydraulic drive-based deformable wheel telescopic mechanism which is simple in structure, high in stability, easy to clean and suitable for paddy field agricultural machinery, particularly a mini-tiller and capable of changing wheel legs.
In order to achieve the above object, the present invention provides the following solutions.
A deformation wheel telescopic mechanism based on hydraulic drive is characterized by comprising an outer wheel ring, an inner wheel ring, a hydraulic system, telescopic legs and connecting parts for supporting and connecting; the outer wheel ring comprises two circular outer rings processed by aluminum alloy; eight planes in circumferential arrays are processed on the rim of the inner wheel ring, and threaded holes are processed on the planes for connecting and fixing the supporting legs; the inner parts of the hub and the spoke of the inner wheel ring are processed into hole cavities to form a hydraulic oil cylinder of the hydraulic system; the hydraulic system comprises a hydraulic oil cylinder, a piston rod, a quick-change connector, a sealing ring, hydraulic oil and an external manual hydraulic pump; one end of the piston rod is arranged in the hydraulic oil cylinder, and the other end of the piston rod is connected with the telescopic leg through a hexagon nut, a spring gasket and a flat washer; when the piston rod is pushed outwards, the deformation wheel telescopic mechanism telescopic legs are driven to extend out to form a telescopic state, and when the piston rod is retracted, the deformation wheel telescopic mechanism telescopic legs are driven to retract to form a retracted state; the connecting part comprises a mounting frame, a supporting frame, an end cover and supporting legs; all the structures are sealed or painted, so that the purposes of preventing corrosion, prolonging the service life and facilitating cleaning are achieved.
And a plurality of counter bores are regularly processed on the two circular outer rings of the outer wheel ring, and the outer wheel ring, the mounting frame and the support rod are fixedly connected together through the counter bores by hexagon socket head screws.
Preferably, hole cavity structures are processed in the wheel hub and the spoke of the inner wheel ring to serve as hydraulic oil cylinders of a hydraulic system, the number of the hydraulic oil cylinders is eight, and the bottom and the top of each of the eight oil cylinders are respectively provided with an annular oil duct I and an annular oil duct II which are communicated with each other; the inner ring further comprises an inner ring oil duct gland I and an inner ring oil duct gland II which are processed by aluminum alloy, and the annular oil duct I and the annular oil duct II are respectively compressed by the inner ring oil duct gland I and the inner ring oil duct gland II.
The inner ring oil duct gland I and the inner ring oil duct gland II are respectively provided with a hydraulic oil port I and a hydraulic oil port II, quick change connectors are mounted on the hydraulic oil port I and the hydraulic oil port II to be conveniently connected with a manual hydraulic pump, and the hydraulic oil port I and the hydraulic oil port II can be respectively fed with oil or returned with oil through reversing valves on the manual hydraulic pump, so that the extension and retraction of the telescopic legs are realized; a circle of through hole is further processed on the hub and can be used for connecting a flange plate, and a hexagonal hole is processed in the center of the hub and is convenient to be connected with an output shaft of agricultural machinery such as a mini-tiller.
Preferably, the telescopic legs comprise eight rectangular frames which are completely consistent in size and shape and are processed by aluminum alloy; threaded holes from outside to inside are processed in the thickness direction of the rectangular frame, and wheel feet in different forms can be conveniently mounted on the telescopic legs in the later stage.
Preferably, the mounting bracket is formed by aluminum alloy processing, and the mounting bracket left and right sides processing has the mounting hole, the mounting hole is fixed the mounting bracket through hexagon socket head cap screw the foreign steamer circles, and eight mounting bracket evenly distributed link together two circular outer lanes around will and constitute the foreign steamer circle on the rim circumference.
Preferably, the support frame is formed by aluminum alloy processing, installs the both sides of flexible leg play the fixed action, play the effect of bearing the wheel radial force simultaneously, prevent that the piston rod from receiving the moment of flexure, and the erection distance to every support frame slightly is greater than flexible leg thickness, and it reduces work efficiency and causes the damage to machined parts such as flexible leg, support frame to produce the friction with the support frame when preventing that flexible leg is flexible, both ends processing has the support frame mounting hole to pass through hexagon socket head cap screw with outer rim erection joint, eight to support frame evenly distributed on the rim circumference about the support frame.
Preferably, the supporting legs are formed by processing aluminum alloy, four supporting leg fixing holes are processed on a base of each supporting leg, the supporting leg fixing holes are connected with threaded holes in the inner ring through bolts, the supporting legs are fixed on the inner ring, the other ends of the supporting legs are processed into bayonet shapes to clamp the supporting frames to play a role in fixing and supporting, and each pair of supporting frames corresponds to one pair of supporting legs.
The piston rod is connected with the hydraulic oil cylinder through an end cover, the end cover is formed by processing aluminum alloy and is arranged on the inner wheel ring through an inner hexagon screw, a spring washer and a flat washer, and a dustproof ring, a check ring, an O-shaped ring and a combined seal are further arranged when the piston rod and the end cover are connected with the hydraulic oil cylinder to play a role in dustproof sealing.
Preferably, when the telescopic legs of the deformation wheel telescopic mechanism are in a retracted working state, the supporting frame, the mounting frame and the telescopic plate form an almost complete circular surface; the outside of mounting bracket and flexible leg is processed respectively and is had mounting bracket screw hole and screw thread through-hole to be used for installing shock-absorbing material such as rubber, can improve the ride comfort of deformation wheel when stereoplasm ground walking to reduce its vibrations and noise.
Compared with the prior art, the invention achieves the following technical effects.
The deformation wheel telescopic mechanism based on hydraulic drive can be suitable for walking on paddy fields and hard ground simultaneously, the telescopic legs are driven to stretch through a hydraulic system, namely, the manual hydraulic pump provides power to convert mechanical energy into pressure energy of hydraulic oil, a hydraulic valve on the manual hydraulic pump controls the flow direction of the hydraulic oil to convert the pressure energy into reciprocating motion of a piston rod, and then the telescopic legs are driven to stretch through the motion of the piston rod to form two different working states. The deformation wheel telescopic mechanism also has the characteristics of simple structure, high stability and easiness in cleaning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an overall structure view of the deformation wheel telescopic mechanism in a retracted state of a telescopic leg.
Fig. 2 is an overall structure view of the extension state of the extension leg of the deformation wheel extension mechanism of the invention.
Fig. 3 is a view showing the construction of an inner race.
Fig. 4 is a mounting bracket detail view.
Fig. 5 is a support frame part view.
Figure 6 is a leg detail view.
Fig. 7 is a view of the end cap parts.
Description of reference numerals: 1, outer wheel rings; 2, a hydraulic oil port I and a hydraulic oil port II; 3, inner wheel ring; 4, telescopic legs; 5 connecting parts; 6, a circular outer ring; 7, counter bores; 8, a hexagon socket head cap screw; 9 quick-change connector; 10 a piston rod; 11 support legs; 12 spokes; 13 a hub; 14 through holes; 15 mounting a frame; 16 inner ring oil duct gland II; 17, pressing a gland I of the inner ring oil duct; 18 a support frame; 19 end caps; 20 hexagonal nuts, spring washers and plain washers; 21 plane surface; 22 a threaded hole; 23 hydraulic oil cylinders; 24 mounting bracket mounting holes; 25 mounting the threaded hole; 26 support frame mounting holes; 27 leg fixing holes; 28 leg base; 29 end cap base; 30 threaded through holes; 31 hexagonal holes.
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.
The invention aims to design a deformation wheel telescopic mechanism which has a simple structure, can change the working state and can adapt to the walking of paddy fields and hard ground simultaneously.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the embodiment of the invention provides a deformation wheel telescopic mechanism based on hydraulic drive, which is suitable for preventing skidding and sinking and reducing mud adhesion during paddy field operation of various paddy field wheel machines including mini-tillers and the like; the deformation wheel telescopic mechanism has two states, so that the deformation wheel telescopic mechanism can be suitable for the walking of paddy fields and hard ground simultaneously; the invention can realize paddy field running and hard road running on the premise of not replacing the driving wheel of the agricultural machine, has good trafficability, simple structure and high stability.
The deformation wheel telescopic mechanism based on hydraulic drive comprises an outer wheel ring 1, an inner wheel ring 3, a hydraulic system, telescopic legs 4 and a connecting part 5 for supporting and connecting; the outer wheel ring 1 comprises two circular outer rings 6 which are processed by aluminum alloy; a plurality of counter bores 7 are regularly processed on the two circular outer rings 6, and the counter bores 7 connect and fix the outer ring 1 with the mounting frame 15 and the support rod 18 through the inner hexagon screws 8.
Eight planes 21 in circumferential array are processed on the rim of the inner ring 3, and threaded holes 22 are processed on the planes 21 for connecting the fixed supporting legs 11; the hub 13 of the inner wheel ring 3 and the inside of the spoke 12 are processed into hole cavity structures to serve as hydraulic oil cylinders of a hydraulic system, and the bottoms and the tops of the eight oil cylinders are respectively processed with an annular oil duct I and an annular oil duct II to be communicated with each other; the inner ring 3 further comprises an inner ring oil duct gland I17 and an inner ring oil duct gland II 16 which are processed by aluminum alloy, and the annular oil duct I and the annular oil duct II are respectively compressed by the inner ring oil duct gland I and the inner ring oil duct gland II.
The inner ring oil duct gland I17 and the inner ring oil duct gland II 16 are respectively provided with a hydraulic oil port I and a hydraulic oil port II2, quick change connectors 9 are mounted on the two hydraulic oil ports to be conveniently connected with a manual hydraulic pump, and the hydraulic oil port I and the hydraulic oil port II can be respectively fed with oil or returned with oil through reversing valves on the manual hydraulic pump, so that the telescopic legs 4 can be pushed out and retracted; a circle of through holes 14 are formed in the hub 13 and used for connecting a flange plate, and in addition, a hexagonal hole 31 is formed in the hub 13 and used for being connected with an output shaft of agricultural machinery such as a mini-tiller.
The hydraulic system comprises a hydraulic oil cylinder, a piston rod 10, a quick-change connector 9, a sealing ring, hydraulic oil and an external manual hydraulic pump; one end of a piston rod 10 is arranged in the hydraulic oil cylinder 23, and the other end of the piston rod is connected with the telescopic leg 4 through a hexagon nut, a spring gasket and a flat washer 20, and the piston rod 10 in the hydraulic oil cylinder 23 is driven to reciprocate through the flow of hydraulic oil of a hydraulic system so as to drive the telescopic leg 4 to stretch; when the walking machine needs to walk on soft ground such as a paddy field, hydraulic oil in the inner ring oil duct gland I is pressed into the inner ring oil duct gland II by an external power element manual hydraulic pump, the piston rod 10 moves outwards along the hydraulic oil cylinder 23 under the pressure of the hydraulic oil, and meanwhile, the telescopic leg 4 connected with the piston rod is driven to extend outwards to form a walking wheel, and after the corresponding damping element is installed on the telescopic leg 4, the sliding rate of the walking machine on the soft ground is greatly reduced, and meanwhile, the passing efficiency is improved. When the automobile deformation wheel needs to walk on cement ground and other hard ground, the flow direction of the oil inlet and outlet and hydraulic oil is changed, hydraulic oil in the inner ring oil duct gland II is pressed into the inner ring oil duct gland I by the power element manual hydraulic pump, the piston rod 10 moves inwards along the hydraulic oil cylinder 23 under the pressure of the hydraulic oil, meanwhile, the telescopic leg 4 connected with the piston rod drives the telescopic leg to retract back, the rim of the deformation wheel forms a complete circular surface, and after corresponding rubber or damping elements are installed on the installation frame 15 and the telescopic leg 4, the smoothness of the deformation wheel when the automobile deformation wheel walks on the hard ground can be improved, and vibration and noise of the automobile deformation wheel are reduced.
The telescopic legs 4 comprise eight rectangular frames which are completely consistent in size and shape and are formed by processing aluminum alloy; two outside-in threaded through holes 30 are processed in the thickness direction of the rectangular frame, so that the wheel feet in different forms can be conveniently mounted on the telescopic legs 4 in the later stage.
The connecting part 5 comprises a mounting frame 15, a supporting frame 18, an end cover 19 and a supporting leg 11; the mounting bracket 15 is formed by aluminum alloy processing, and its left and right sides processing has mounting bracket mounting hole 24, fixes mounting bracket 15 on foreign steamer circle 1 through hexagon socket head cap screw, and eight mounting bracket 15 evenly distributed are on the rim circumference, and two circular outer lane 6 links together and constitute foreign steamer circle 1 around will.
Support frame 18 is formed by aluminum alloy processing, install and play the fixed action in the both sides of flexible leg 4, play the effect of bearing the radial force of wheel simultaneously, prevent that piston rod 10 from receiving the moment of flexure, the erection distance of every pair of support frame 18 slightly is greater than flexible leg thickness, prevent that flexible leg 4 from producing friction reduction work efficiency and to flexible leg 4 with support frame 18 when flexible, machined parts such as support frame 18 cause the damage, both ends processing has support frame mounting hole 26 to pass through hexagon socket head cap screw 8 and foreign steamer ring 1 erection fixation about support frame 18, every flexible leg 4 is fixed with a pair of support frame 18, eight are to support frame 18 evenly distributed on the rim circumference.
The landing leg 11 is formed by aluminum alloy processing, and the base 28 processing of every landing leg has four landing leg fixed orifices 27, is connected with the screw hole 22 on the interior wheel rim 3 through the bolt, fixes landing leg 11 on interior wheel rim 3, and the other end of landing leg 11 is processed into bayonet form and is blocked support frame 18 and play the effect of fixed stay, and every pair of support frame 18 corresponds a pair of landing leg 11.
The piston rod 10 is connected with the hydraulic oil cylinder 23 through an end cover 19, the end cover 19 is formed by processing aluminum alloy and is installed on the inner wheel ring 3 through an inner hexagonal screw, a spring washer and a flat washer, and a dust ring, a check ring, an O-shaped ring and a combined seal are further installed to play a role in dust sealing when the piston rod 10 and the end cover 19 are connected with the hydraulic oil cylinder 23.
When the telescopic legs 4 of the deformation wheel telescopic mechanism are in a retracted working state, the supporting frame 18, the mounting frame 15 and the telescopic legs 4 form an almost complete circular surface; the outer sides of the mounting frame 15 and the telescopic leg 4 are respectively provided with a mounting frame threaded hole 25 and a threaded through hole 30 for mounting damping materials such as rubber and the like to improve the smoothness of the deformation wheel when the deformation wheel travels on a hard ground and reduce the vibration and noise of the deformation wheel. All structures of the deformation wheel telescopic mechanism are subjected to sealing or paint spraying treatment, so that the purposes of preventing corrosion, prolonging the service life and facilitating cleaning are achieved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A deformation wheel telescopic mechanism based on hydraulic drive is characterized by comprising an outer wheel ring, an inner wheel ring, a hydraulic system, telescopic legs and connecting parts for supporting and connecting; the outer wheel ring comprises two circular outer rings processed by aluminum alloy; eight planes in circumferential arrays are processed on the rim of the inner wheel ring, and threaded holes are processed on the planes for connecting and fixing the supporting legs; the inner parts of the hub and the spoke of the inner wheel ring are processed into hole cavity structures to form a hydraulic oil cylinder of the hydraulic system; the hydraulic system comprises a hydraulic oil cylinder, a piston rod, a quick-change connector, a sealing ring, hydraulic oil and an external manual hydraulic pump; one end of the piston rod is arranged in the hydraulic oil cylinder, and the other end of the piston rod is connected with the telescopic leg through a hexagon nut, a spring gasket and a flat washer; when the piston rod is pushed outwards, the telescopic legs of the deformation wheel telescopic mechanism extend out to be in an extending state, and when the piston rod is retracted, the telescopic legs are driven to retract so that the rim of the deformation wheel forms a complete circular surface; the connecting part comprises a mounting frame, a supporting frame, an end cover and supporting legs; all the structures are sealed or painted, so that the purposes of preventing corrosion, prolonging the service life and facilitating cleaning are achieved.
2. The deformation wheel telescopic mechanism based on hydraulic drive of claim 1, wherein a plurality of counter bores are regularly machined in the two circular outer rings of the outer wheel ring, and the counter bores are used for connecting and fixing the outer wheel ring with the mounting frame and the support rod through hexagon socket head cap screws.
3. The deformation wheel telescopic mechanism based on hydraulic drive as claimed in claim 1, wherein the hub and the spoke of the inner wheel rim are internally provided with hole cavity structures as hydraulic oil cylinders of a hydraulic system, the number of the hydraulic oil cylinders is eight, and the bottom parts and the top parts of the eight oil cylinders are respectively provided with an annular oil duct I and an annular oil duct II so as to be communicated with each other; the inner ring further comprises an inner ring oil duct gland I and an inner ring oil duct gland II which are processed by aluminum alloy, and the annular oil duct I and the annular oil duct II are respectively compressed by the inner ring oil duct gland I and the inner ring oil duct gland II.
4. The deformation wheel telescopic mechanism based on hydraulic driving is characterized in that a hydraulic oil port I and a hydraulic oil port II are respectively machined on the inner ring oil duct gland I and the inner ring oil duct gland II, quick change connectors are mounted on the hydraulic oil port I and the hydraulic oil port II to be conveniently connected with a manual hydraulic pump, and the hydraulic oil port I and the hydraulic oil port II can be respectively fed with oil or returned with oil through reversing valves on the manual hydraulic pump, so that extension and retraction of telescopic legs are realized; a circle of through hole is further processed on the hub and can be used for connecting a flange plate, and a hexagonal hole is processed in the center of the hub and is convenient to be connected with an output shaft of agricultural machinery such as a mini-tiller.
5. The hydraulically-driven deformation wheel telescopic mechanism is characterized in that the telescopic legs comprise eight rectangular frames which are completely consistent in size and shape and are made of aluminum alloy; threaded holes from outside to inside are processed in the thickness direction of the rectangular frame, and wheel feet in different forms can be conveniently mounted on the telescopic legs in the later stage.
6. The deformation wheel telescopic mechanism based on hydraulic drive of claim 1, wherein the mounting frame is formed by machining aluminum alloy, mounting frame mounting holes are machined in the left side and the right side of the mounting frame, the mounting frame is fixed to the outer wheel rim through inner hexagon screws in the mounting frame mounting holes, the eight mounting frames are evenly distributed on the circumference of the wheel rim, and the front circular outer ring and the rear circular outer ring are connected together to form the outer wheel rim.
7. The deformation wheel telescopic mechanism based on hydraulic drive of claim 1, wherein the support frame is formed by processing aluminum alloy, is installed on two sides of the telescopic legs and plays a role in fixing, and simultaneously plays a role in bearing radial force of a wheel to prevent a piston rod from receiving bending moment, support frame mounting holes are processed at the left end and the right end of the support frame and are fixedly installed on an outer wheel ring through hexagon socket head cap screws, each telescopic leg corresponds to one pair of support frames, and eight pairs of support frames are uniformly distributed on the circumference of the wheel rim.
8. The hydraulically driven type-deforming wheel telescopic mechanism of claim 1, wherein the legs are made of aluminum alloy, the base of each leg is formed with four leg fixing holes, the leg fixing holes are connected with the threaded holes on the inner ring through bolts to fix the legs on the inner ring, the other ends of the legs are formed into a bayonet shape to clamp the support frames for fixing and supporting, and each pair of support frames corresponds to one pair of legs.
9. The hydraulically driven type deformation wheel telescoping mechanism is characterized in that the piston rod is connected with the hydraulic oil cylinder through an end cover, the end cover is formed by machining aluminum alloy and is installed on the inner ring through an inner hexagon screw, a spring washer and a flat washer, and a dust ring, a check ring, an O-shaped ring and a combined seal are further installed to play a role in dust sealing when the piston rod and the end cover are connected with the hydraulic oil cylinder.
10. The hydraulically-driven deformation wheel telescoping mechanism of claim 1, wherein the support frame, mounting bracket and telescoping leg form a nearly complete circle when the telescoping leg of the deformation wheel telescoping mechanism is in the retracted working state; the outside of mounting bracket and flexible leg is processed respectively and is had mounting bracket screw hole and screw thread through-hole to be used for installing shock-absorbing material such as rubber, can improve the ride comfort of deformation wheel when stereoplasm ground walking to reduce its vibrations and move and the noise.
CN202010538551.9A 2020-06-13 2020-06-13 Deformation wheel telescopic mechanism based on hydraulic drive Pending CN111546827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010538551.9A CN111546827A (en) 2020-06-13 2020-06-13 Deformation wheel telescopic mechanism based on hydraulic drive

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Application Number Priority Date Filing Date Title
CN202010538551.9A CN111546827A (en) 2020-06-13 2020-06-13 Deformation wheel telescopic mechanism based on hydraulic drive

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CN111546827A true CN111546827A (en) 2020-08-18

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Application Number Title Priority Date Filing Date
CN202010538551.9A Pending CN111546827A (en) 2020-06-13 2020-06-13 Deformation wheel telescopic mechanism based on hydraulic drive

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113002246A (en) * 2021-04-13 2021-06-22 东北大学 Novel all-terrain rescue wheel and rescue equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113002246A (en) * 2021-04-13 2021-06-22 东北大学 Novel all-terrain rescue wheel and rescue equipment
CN113002246B (en) * 2021-04-13 2024-03-22 东北大学 Novel all-terrain rescue wheel and rescue equipment

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