CN210416783U - Arch waist type movable chassis with steering wheel legs - Google Patents
Arch waist type movable chassis with steering wheel legs Download PDFInfo
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- CN210416783U CN210416783U CN201921225383.7U CN201921225383U CN210416783U CN 210416783 U CN210416783 U CN 210416783U CN 201921225383 U CN201921225383 U CN 201921225383U CN 210416783 U CN210416783 U CN 210416783U
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Abstract
The utility model provides a waist formula of hunch of area directive wheel leg removes chassis installs on waist formula removes chassis hunch: the internal combustion engine is provided with a driving wheel; the power transmission mechanism comprises a driven wheel, a reversing mechanism and a first speed reducer, the driven wheel is connected with the driving wheel, and one end of the driven wheel is connected with the input end of the reversing mechanism through a universal joint connecting mechanism; the shell of the reversing mechanism is fixed on an output shaft of the second speed reducer, the rotary tillage device is arranged on the reversing mechanism through a lifting plate, and a rotating shaft of the rotary tillage device is connected with the output end of the first speed reducer; the bottom of the steering seat is fixed on an output shaft of the third speed reducer; the steering wheel legs comprise rhombic expansion brackets positioned on the left side and the right side of the arch-shaped movable chassis, electric telescopic rods transversely arranged are arranged between the two rhombic expansion brackets, and the lower connecting rod is fixed on the steering seat through a connecting plate. The utility model discloses an it is strong to encircle waist formula and remove chassis maneuvering type, can adapt to complicated topography environment.
Description
Technical Field
The utility model relates to an agricultural vehicle, concretely relates to area turns to bow type removal chassis of wheel leg.
Background
With the continuous improvement of the agricultural technology level, the agricultural operation is mostly realized mechanically, for example, the rotary tillage of farmland soil by a rotary cultivator or a harvester is a common way. When the agricultural vehicle works, the uneven ground inevitably has some jolts, which puts certain requirements on the connection relation between transmission parts of the agricultural vehicle and avoids that part of the transmission is not in place or is locally broken due to the jolt of the vehicle.
In addition, there are some agricultural vehicles on the market that use a caterpillar traction mechanism for traction, and therefore, some requirements are placed on the steering control system of the vehicle. At present, the steering of the crawler traction mechanism is realized by respectively controlling the rotating speed or the steering of two tracks, but the mode has higher cost and is only suitable for a double-track type traction mechanism and not suitable for a single-track type traction mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waist formula of encircleing of area steering wheel leg removes chassis the waist formula of encircleing removes the chassis rear end and is provided with rotary cultivator attachment, and the front end is provided with crawler, it removes the chassis including the frame to encircle the waist formula, install on the frame:
the internal combustion engine is provided with a driving wheel as power output;
the power transmission mechanism comprises a driven wheel, a reversing mechanism and a first speed reducer, the driven wheel is connected with the driving wheel through a belt or a chain, a rotating shaft at one end of the driven wheel is connected with the input end of the reversing mechanism through a universal joint connecting mechanism, and the output end of the reversing mechanism is connected with the input end of the first speed reducer, wherein the rotary tillage device is installed on the power transmission mechanism through a lifting plate, and the rotating shaft of the rotary tillage device is connected with the output end of the first speed reducer through a coupling device;
the bottom of the steering seat is fixed on an output shaft of the third speed reducer;
the steering wheel legs comprise rhombic expansion brackets which are positioned at the left side and the right side of the arch waist type movable chassis, the upper end and the lower end between the two rhombic expansion brackets are respectively connected with the two ends of the upper connecting rod and the lower connecting rod in a rotating mode, a transversely-arranged electric telescopic rod is further arranged between the two rhombic expansion brackets, the two ends of the electric telescopic rod are respectively connected to the inner sides of the two rhombic expansion brackets in a rotating mode, and the lower connecting rod is fixed to the steering seat through a connecting plate.
Furthermore, a plurality of gears which are meshed with each other are arranged in a shell of the reversing mechanism.
Furthermore, a second speed reducer is also arranged on the arch-waist type movable chassis,
the output shaft of the second speed reducer is connected with a flange fixed on one side of the reversing mechanism, or,
and the output shaft of the second speed reducer is connected with the shell of the first speed reducer.
Furthermore, the coupling device comprises a plurality of transmission shafts which are connected end to end through a universal joint pin.
Further, the diamond-shaped expansion bracket comprises:
the upper end of the first connecting rod is rotatably connected with the upper connecting rod;
the middle part of the second connecting rod is rotationally connected with the middle part of the first connecting rod, and the lower end of the second connecting rod is rotationally connected with the end part of the lower connecting rod;
one end of the third connecting rod is rotatably connected to the lower end of the first connecting rod;
the upper end of the fourth connecting rod is rotatably connected with the upper end of the second connecting rod, the other end of the third connecting rod is rotatably connected to the middle of the fourth connecting rod, and a travelling wheel is arranged on the outer side of the bottom end of the fourth connecting rod.
Furthermore, electric telescopic handle sets up in first connecting rod second connecting rod cross connection point's top or below, and electric telescopic handle's both ends rotate respectively and connect on the first connecting rod of both sides rhombus expansion bracket or second connecting rod.
Furthermore, a limit baffle is arranged on the outer side between the cross connection point of the first connecting rod and the lower end rotation connection point.
Because the utility model adopts the above technical scheme, mainly there are following technical advantage:
(1) the output of the internal combustion engine is converted by the power transmission mechanism to drive the rotary shaft of the rotary tillage device at the rear end of the vehicle to rotate, so that the reversing of the transmission direction is realized, and in addition, the whole volume of the power transmission mechanism is smaller, so that the occupied volume is reduced;
(2) the driven wheel drives the gear of the reversing mechanism to rotate through the universal joint, the first speed reducer drives the rotating shaft of the rotary tillage device to rotate through the universal joint of the cross shaft, the universal joints at two positions can enable the connection of the two positions to be more stable, and the influence of vehicle bumping on linkage is reduced;
(3) vehicle adaptability wheel leg mechanism is through the vice concertina movement of electronic flexible for the landing leg is realized opening or closed state, thereby can change the vehicle wheel base, can adapt to the change of different farmland furrow ridge intervals among the practical application, strengthens vehicle walking stability. Meanwhile, the rotation of the steering seat on the frame can be controlled to drive the wheel leg mechanism to rotate, so that the steering of the agricultural vehicle can be realized. The wheel-leg mechanism can realize the steering operation of the agricultural vehicle with single track traction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 inventive labor.
Fig. 1-2 are schematic views of an agricultural machine equipped with the present invention according to an embodiment;
FIG. 3 is a block diagram of a power transmission mechanism in one embodiment;
FIG. 4 is a schematic view of a rotary cultivator attachment in one embodiment;
FIG. 5 is a schematic illustration of a power transmission mechanism and associated secondary retarder in another embodiment;
FIG. 6 is a view showing the construction of a rotary tilling device according to another embodiment;
FIG. 7 is a block diagram of a steering wheel leg;
FIG. 8 is a schematic view of the steering wheel leg after retraction;
FIG. 9 is a schematic view of a steering mount and an engine mount;
FIG. 10 is a schematic view of a fifth wheel;
fig. 11-12 show the working state diagram of the steering seat.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
As shown in fig. 1-7, the utility model provides a bow-type mobile chassis of area steering wheel leg 100 bow-type mobile chassis rear end is provided with rotary cultivator attachment 20, and the front end is provided with crawler attachment 30, bow-type mobile chassis including the frame, install on the frame:
an internal combustion engine (i.e., a drive mechanism) 40, the internal combustion engine 40 being provided with a drive pulley 1 as a power output;
a power transmission mechanism 01, wherein the power transmission mechanism 01 includes a driven wheel 4, a reversing mechanism 11 and a first speed reducer 5, the driven wheel 4 is connected with the driving wheel 1 through a belt 2 or a chain (the driven wheel 4 is linked with the driving wheel 1 in the X direction), a rotating shaft 33 at one end of the driven wheel 4 is connected with an input end of the reversing mechanism 11 through a universal joint connecting mechanism 8 (in the y direction in fig. 3), an output end of the reversing mechanism 11 is connected with an input end of the first speed reducer 5, wherein a rotary tillage device 20 is mounted on the power transmission mechanism 01 through a lifting plate 26, and a rotating shaft 23 of the rotary tillage device 20 is connected with an output end of the first speed reducer 5 through a coupling device;
the bottom of the steering seat 200 is fixed on an output shaft of a third speed reducer 201;
the steering wheel legs 100 comprise rhombic expansion brackets located on the left side and the right side of the arch waist type movable chassis, the upper end and the lower end between the two rhombic expansion brackets are respectively connected with the two ends of the upper connecting rod 110 and the lower connecting rod 120 in a rotating mode, a transversely arranged electric telescopic rod 130 is further arranged between the two rhombic expansion brackets, the two ends of the electric telescopic rod 130 are respectively connected to the inner sides of the two rhombic expansion brackets in a rotating mode, and the lower connecting rod 120 is fixed to the steering seat 200 through a connecting plate 210.
As shown in fig. 3, a plurality of gears meshing with each other in the Z direction are provided in the housing of the reversing mechanism 11. The gear at the lowest end is linked with the driven wheel 4 through a universal joint connecting mechanism 8, and the gear at the highest end is used for driving the first speed reducer 5 to rotate. The first reducer 5 is used for converting the y-direction output of the reversing mechanism 11 into the rotation in the X-direction, so as to drive the rotating shaft 23 of the rotary tillage device 20 to rotate.
Preferably, a tension wheel 3 is further arranged between the driving wheel 1 and the driven wheel 4.
As shown in fig. 3, the working principle of the power transmission mechanism 01 of the present invention is: the driven wheel 4 is driven to rotate in the y direction, and a rotating shaft 33 at one end of the driven wheel 4 drives the first intermediate shaft 31 to rotate through the universal joint connecting mechanism 8; the first intermediate shaft 31 is connected with a first gear of the reversing mechanism 11 so as to drive the first gear to rotate; the first gear drives the second gear to rotate in the y direction; the rotation of the second gear in the y direction is converted by the reversing mechanism inside the first speed reducer 5, and then the power is output to the power output shaft 6 rotating in the x direction.
When the agricultural machine runs on the ground, vibration and jolt inevitably occur, which can affect a transmission structure, and can cause transmission disconnection or even fracture in severe cases, so in order to reduce the influence of vehicle jolt on the transmission mechanism, the first gear of the driven wheel 4 and the reversing mechanism 11 is linked through the universal joint connecting mechanism 8, so that when the rotating shaft 33 of the driven wheel 4 drives the first intermediate shaft 31 to rotate, the first intermediate shaft and the second intermediate shaft are allowed to have a certain angle difference, even if the axial directions of the first intermediate shaft and the second intermediate shaft slightly deviate, the normal transmission of the first intermediate shaft and the second intermediate shaft cannot be affected, and the stability of the transmission is further ensured.
A second reducer 41 is also mounted on the haunch type moving chassis. In one embodiment, the output shaft of the second reducer 41 is connected to the flange 10 fixed to the side of the reversing mechanism 11, as shown in fig. 3 to 4. The utility model discloses can drive reversing mechanism 11 and use the axle center of flange 10 as the rotation point with the help of second reduction gear 41's rotation and rotate together with first reduction gear 5: can drive rotary cultivator attachment 20 when the output shaft anticlockwise rotation of second reduction gear 41 carries out the lifting operation, can drive rotary cultivator attachment and descend the operation when the output shaft clockwise rotation of second reduction gear 41, the utility model discloses can change draw gear or rotary cultivator attachment's ground clearance, improve the adaptability of rotary cultivator attachment work on complicated topography.
In another embodiment, the output shaft of the second reducer 41 is connected to the housing of the first reducer 5, as shown in fig. 5-6. When the output shaft of the second speed reducer 41 rotates, the first speed reducer 5 is driven to swing, and the lifting plate 26 also swings up and down along with the lifting plate 26 because the lifting plate 26 is mounted on the housing of the first speed reducer 5. The output shaft of the second speed reducer 41 is in the same line with the axis of the upper gear of the reversing mechanism 11, so as to reduce the influence of the swing of the first speed reducer 5 on the transmission relationship between the reversing mechanism 11 and the first speed reducer 5.
The utility model discloses in, the shaft coupling device is including the transmission shaft that a plurality of head and the tail pass through the universal joint of cross axle and link to each other. Fig. 4 shows an embodiment of the coupling device, which comprises a first shaft 21 connected to the output of the first reducer 5 and a second shaft 22 connected to a rotating shaft 23 of the rotary cultivator 20, wherein the first shaft 21 and the second shaft 22 are connected by a universal joint 25. When the rotary tillage device 20 is operated on the ground, some bumping and floating cannot be avoided, so a cross universal joint 25 is adopted between the first transmission shaft 21 and the second transmission shaft 22 for connection, and the stability of the first speed reducer 5 for driving the rotary tillage device 20 is improved. Preferably, the rotary shaft 23 is provided with a plurality of rotary blades 24.
Fig. 6 shows a schematic view of a coupling device in another embodiment, and as can be seen, the coupling device is provided with two universal joints 25, the function of which is similar to that of fig. 4 and will not be described again.
In an alternative embodiment, as shown in fig. 7, the diamond-shaped expansion bracket comprises:
the upper end of the first connecting rod 101 is rotatably connected with the upper connecting rod 110;
a second connecting rod 102, the middle part of the second connecting rod 102 is rotatably connected with the middle part of the first connecting rod 101, and the lower end of the second connecting rod 102 is rotatably connected with the end part of the lower connecting rod 120;
a third link 103, one end of the third link 103 is rotatably connected to the lower end of the first link 101;
and the upper end of the fourth connecting rod 104 is rotatably connected with the upper end of the second connecting rod 102, the other end of the third connecting rod 103 is rotatably connected with the middle part of the fourth connecting rod 104, and a traveling wheel 105 is arranged on the outer side of the bottom end of the fourth connecting rod 104.
The electric telescopic rod 130 is arranged above or below the cross connection point 101a of the first connecting rod 101 and the second connecting rod 102, and two ends of the electric telescopic rod 130 are respectively and rotatably connected to the first connecting rod 101 or the second connecting rod 102 of the rhombic expansion bracket at two sides.
A limit stop 106 is provided on the outer side between the cross connection point 101a and the lower end pivot connection point 101b of the first link 101. Taking the right telescopic joint frame as an example for explanation, the function of the limit baffle 106 is that when the second connecting rod 102 is contracted to a certain extent (as shown in fig. 8), the second connecting rod 102 will rotate at the cross connecting point 101a, and the limit baffle 106 plays a limiting role to prevent the second connecting rod 102 from rotating without limitation.
Fig. 9-10 show a schematic view of a steering seat and an internal combustion engine fixing seat on a vehicle frame in one embodiment. The steering mechanism is characterized in that 202 is a mounting plate on a frame, one side of the mounting plate is fixedly provided with a fixing plate 203 for fixing an internal combustion engine of an agricultural vehicle, the other side of the mounting plate is provided with a third speed reducer 201 and a steering seat 200, the steering seat 200 is mounted on a power output shaft of the third speed reducer 201, and a connecting plate 210 is rigidly fixed on the steering seat 200 (a lower connecting rod 120 of a wheel leg mechanism is fixed on the connecting plate 210). As shown in fig. 11-12, when a steering operation needs to be performed on the wheel leg mechanism, the third speed reducer 201 drives the steering base 200 to rotate, and the steering base 200 drives the wheel leg mechanism shown in fig. 5 to rotate, so as to provide a steering force for the vehicle.
As shown in fig. 7-8, the vehicle adaptive wheel leg mechanism enables the support legs to be opened or closed through the telescopic motion of the electric telescopic rod 130, so that the wheel track of the vehicle can be changed, the vehicle adaptive wheel leg mechanism can adapt to the change of the space between furrows and ridges of different farmlands in practical application, and the walking stability of the vehicle is enhanced.
According to the ground condition, the front end of the single-track type traction mechanism 30 can be lifted to improve the ground clearance of the front end, and the overall obstacle crossing performance of the single-track type traction mechanism can be improved. It should be noted that, when implementing steering of the rear wheel leg mechanism of the agricultural vehicle, the front end of the single-track type traction mechanism 30 needs to be lifted, because if the bottom track of the single-track type traction mechanism 30 is completely in contact with the ground, resistance during steering is large, and abrasion of the track is easily increased, so that during steering, the front end of the single-track type traction mechanism 30 is lifted by controlling a motor, and then the steering seat 200 on the frame is controlled to rotate to drive the wheel leg mechanism shown in fig. 7 to rotate, thereby implementing steering during traveling. In addition, the adjustment with the help of rhombus expansion bracket adapts to the change of farmland single ridge topography, in the field operation, agricultural machine probably will often operate to the field ridge of difference, the width of each farmland single ridge probably is inconsistent, and the both sides inclination angle of farmland single ridge also can be inconsistent simultaneously, and wheel distance is fixed can not be adjusted about current agricultural vehicle, consequently can't carry out the operation at the field ridge of multiple width, and the utility model discloses can make it stretch out and draw back or stretch out through adjusting the rhombus expansion bracket, operate with the field ridge of reply different width, can also avoid the problem that the liftoff clearance reduces simultaneously in the adjustment process, avoid the bellied barrier in ground to cause the injury to machine chassis.
In conclusion, because the utility model adopts the above technical scheme, mainly there are following technical advantage:
(1) the output of the internal combustion engine is converted by the power transmission mechanism to drive the rotary shaft of the rotary tillage device at the rear end of the vehicle to rotate, so that the reversing of the transmission direction is realized, and in addition, the whole volume of the power transmission mechanism is smaller, so that the occupied volume is reduced;
(2) the driven wheel drives the gear of the reversing mechanism to rotate through the universal joint, the first speed reducer drives the rotating shaft of the rotary tillage device to rotate through the universal joint of the cross shaft, the universal joints at two positions can enable the connection of the two positions to be more stable, and the influence of vehicle bumping on linkage is reduced;
(3) vehicle adaptability wheel leg mechanism is through the vice concertina movement of electronic flexible for the landing leg is realized opening or closed state, thereby can change the vehicle wheel base, can adapt to the change of different farmland furrow ridge intervals among the practical application, strengthens vehicle walking stability. Meanwhile, the rotation of the steering seat on the frame can be controlled to drive the wheel leg mechanism to rotate, so that the steering of the agricultural vehicle can be realized. The wheel-leg mechanism can realize the steering operation of the agricultural vehicle with single track traction. This caterpillar traction mechanism of patent front end need not to be equipped with steering mechanism, utilizes the wheel leg of rear end to provide and turns to, consequently makes caterpillar traction mechanism structure simpler, the cost is reduced.
(4) The second speed reducer can drive the lifting plate to swing up and down, so that the ground clearance of the rotary tillage device is adjusted, and various operation requirements are met; meanwhile, under the condition that the rotary tillage device is in no-load, the rotary tillage device can be lifted, so that the rotary tillage device is prevented from contacting the ground, the service life of the rotary tillage device is prolonged, and the load of the agricultural vehicle during traveling is reduced.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (7)
1. The utility model provides a belt steering wheel leg's hunch waist formula removes chassis rear end is provided with rotary cultivator attachment, and the front end is provided with crawler attachment, its characterized in that, hunch waist formula removes chassis including the frame, install on the frame:
the internal combustion engine is provided with a driving wheel as power output;
the power transmission mechanism comprises a driven wheel, a reversing mechanism and a first speed reducer, the driven wheel is connected with the driving wheel through a belt or a chain, a rotating shaft at one end of the driven wheel is connected with the input end of the reversing mechanism through a universal joint connecting mechanism, and the output end of the reversing mechanism is connected with the input end of the first speed reducer, wherein the rotary tillage device is installed on the power transmission mechanism through a lifting plate, and the rotating shaft of the rotary tillage device is connected with the output end of the first speed reducer through a coupling device;
the bottom of the steering seat is fixed on an output shaft of the third speed reducer;
the steering wheel legs comprise rhombic expansion brackets which are positioned at the left side and the right side of the arch waist type movable chassis, the upper end and the lower end between the two rhombic expansion brackets are respectively connected with the two ends of the upper connecting rod and the lower connecting rod in a rotating mode, a transversely-arranged electric telescopic rod is further arranged between the two rhombic expansion brackets, the two ends of the electric telescopic rod are respectively connected to the inner sides of the two rhombic expansion brackets in a rotating mode, and the lower connecting rod is fixed to the steering seat through a connecting plate.
2. The arching mobile chassis with steerable wheel legs of claim 1, wherein a plurality of intermeshing gears are disposed within the housing of the reverser mechanism.
3. The haunch mobile chassis with steering wheel legs according to claim 1, wherein a second decelerator is further installed on the haunch mobile chassis,
the output shaft of the second speed reducer is connected with a flange fixed on one side of the reversing mechanism, or,
and the output shaft of the second speed reducer is connected with the shell of the first speed reducer.
4. The haunch mobile chassis with steerable wheel legs according to claim 1, characterized in that said coupling means comprise a plurality of transmission shafts connected end to end by means of a cross-pin universal joint.
5. The arching mobile chassis with steerable wheel legs of claim 1, wherein said diamond-shaped expansion bracket comprises:
the upper end of the first connecting rod is rotatably connected with the upper connecting rod;
the middle part of the second connecting rod is rotationally connected with the middle part of the first connecting rod, and the lower end of the second connecting rod is rotationally connected with the end part of the lower connecting rod;
one end of the third connecting rod is rotatably connected to the lower end of the first connecting rod;
the upper end of the fourth connecting rod is rotatably connected with the upper end of the second connecting rod, the other end of the third connecting rod is rotatably connected to the middle of the fourth connecting rod, and a travelling wheel is arranged on the outer side of the bottom end of the fourth connecting rod.
6. The arch type mobile chassis with steering wheel legs as claimed in claim 5, wherein the electric telescopic rod is arranged above or below the cross connection point of the first connecting rod and the second connecting rod, and two ends of the electric telescopic rod are respectively and rotatably connected to the first connecting rod or the second connecting rod of the diamond-shaped expansion bracket on two sides.
7. The arching mobile chassis with steerable wheel legs of claim 5, characterized in that a limit stop is provided on the outside between the cross-connection point of the first link and the lower pivoting connection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225383.7U CN210416783U (en) | 2019-07-31 | 2019-07-31 | Arch waist type movable chassis with steering wheel legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225383.7U CN210416783U (en) | 2019-07-31 | 2019-07-31 | Arch waist type movable chassis with steering wheel legs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210416783U true CN210416783U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921225383.7U Active CN210416783U (en) | 2019-07-31 | 2019-07-31 | Arch waist type movable chassis with steering wheel legs |
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| CN (1) | CN210416783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329370A (en) * | 2019-07-31 | 2019-10-15 | 北京履坦科技有限公司 | A kind of band turns to the haunch formula mobile chassis of wheel leg |
| RU211844U1 (en) * | 2021-11-22 | 2022-06-24 | Юрий Сергеевич Дмитриев | SOIL CUTTERS |
-
2019
- 2019-07-31 CN CN201921225383.7U patent/CN210416783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329370A (en) * | 2019-07-31 | 2019-10-15 | 北京履坦科技有限公司 | A kind of band turns to the haunch formula mobile chassis of wheel leg |
| CN110329370B (en) * | 2019-07-31 | 2024-03-15 | 北京履坦科技有限公司 | Arched movable chassis with steering wheel legs |
| RU211844U1 (en) * | 2021-11-22 | 2022-06-24 | Юрий Сергеевич Дмитриев | SOIL CUTTERS |
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