Walking system with hydraulic floating damping lifting mechanism and agricultural machine

Abstract

The invention discloses a walking system with a hydraulic floating damping lifting mechanism and agricultural machinery, the walking system comprises a speed reducer, the speed reducer is connected with a hydraulic motor, and walking wheels are driven to rotate through transmission of the hydraulic motor and the speed reducer; the floating supporting frame is divided into a hydraulic upper floating supporting frame assembly body and a hydraulic lower floating supporting frame assembly body, the hydraulic upper floating supporting frame assembly body and the hydraulic lower floating supporting frame assembly body are movably connected through a hydraulic lifting guide column, and the hydraulic lower floating supporting frame is connected with the speed reducer to drive the speed reducer and the walking wheels to ascend and descend; the floating supporting frame is further integrated with a hydraulic driving assembly, and the hydraulic driving assembly drives the hydraulic lower floating supporting frame assembly to move in a hydraulic driving mode. According to the walking system, the hydraulic floating damping lifting mechanism is integrated on the walking wheel on each side, so that the free lifting and land simulation functions of the walking wheels on the single side are achieved, the agricultural machine can better adapt to complex terrains, and it is guaranteed that the wheels walk more stably.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and in particular to a walking system and agricultural machinery with a hydraulic floating shock-absorbing lifting mechanism. Background Art

[0002] With the popularization of mechanized operations in my country's agriculture, the use of agricultural machinery is becoming more and more common. Since the terrain of the working environment of agricultural machinery is relatively complex and there are few flat working conditions, agricultural machinery needs to have certain shock absorption and buffering functions.

[0003] At present, agricultural machinery does not have independently designed vibration reduction and terrain-following structures in its travel system, and generally adopts a floating frame to adapt to work and travel on complex terrain. However, for special terrain, it is necessary to develop a structure that can meet the free lifting and shock absorption of the single-side travel wheel of the travel system, and can also realize the terrain-following function of the single-side travel wheel.

[0004] Therefore, based on the above technical problems, technicians in this field urgently need to develop a walking system and agricultural machinery with a hydraulic floating shock-absorbing lifting mechanism. Summary of the invention

[0005] The purpose of the present invention is to provide a walking system and agricultural machinery with a hydraulic floating shock-absorbing lifting mechanism, wherein the hydraulic floating shock-absorbing lifting mechanism is integrated in the walking wheel of the walking system, thereby realizing the free lifting and terrain-imitation function of the single-sided walking wheel, so that the agricultural machinery can better adapt to complex terrain and ensure more stable walking of the wheels.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] The present invention provides a walking system with a hydraulic floating shock-absorbing lifting mechanism, wherein the hydraulic floating shock-absorbing lifting mechanism is integrated on one side of the inner side of the walking wheel of the walking system, and the mechanism comprises:

[0008] A reducer connected to the travel wheel, and the reducer is connected to the hydraulic motor, so as to drive the travel wheel to rotate through the transmission of the hydraulic motor and the reducer;

[0009] A floating support frame, wherein the floating support frame is divided into a hydraulic upper floating support frame assembly and a hydraulic lower floating support frame assembly, wherein the hydraulic upper floating support frame assembly is movably connected to the hydraulic lower floating support frame assembly through a hydraulic lifting guide column, and the hydraulic lower floating support frame is connected to the reducer to drive the reducer and the walking wheel to rise and fall;

[0010] The floating support frame is also integrated with a hydraulic drive component, and the hydraulic drive component drives the hydraulic lower floating support frame assembly to move in a hydraulically driven manner.

[0011] Furthermore, both ends of the hydraulic upper floating support frame assembly in the length direction and both ends of the hydraulic lower floating support frame assembly in the length direction are connected through the hydraulic lifting guide column;

[0012] The hydraulic drive assembly is integrated in the middle of the hydraulic upper floating support frame assembly and the hydraulic lower floating support frame assembly, and the hydraulic drive assembly has a hydraulic lifting cylinder inside, and the hydraulic lower floating support frame assembly is driven to move by the hydraulic lifting cylinder.

[0013] Furthermore, the cylinder body of the hydraulic lifting cylinder is connected to the hydraulic lower floating support frame assembly through fastening screws, and the cylinder rod of the hydraulic lifting cylinder is connected to the hydraulic upper floating support frame assembly through fastening screws;

[0014] The hydraulic buffer shock absorbing assembly is also equipped with a hydraulic accumulator, and the hydraulic accumulator is connected to the hydraulic lifting cylinder through an accumulator oil pipe.

[0015] Furthermore, a lifting rod copper sleeve is provided at the position where the hydraulic lifting guide column cooperates with the hydraulic lower floating support frame assembly;

[0016] The lifting rod copper sleeve is arranged on the outer side of the hydraulic lifting guide column, and skeleton oil seals are installed at both ends of the lifting rod copper sleeve;

[0017] A hole retaining ring is installed inside the lifting rod copper sleeve and close to the skeleton oil seal on the corresponding side.

[0018] Furthermore, the lower end of the hydraulic lifting guide column is equipped with a hydraulic vehicle lifting rod buffer rubber and a hydraulic vehicle lifting rod baffle through bolts;

[0019] The upper end of the hydraulic lifting guide column is assembled and fixed to the hydraulic upper floating support frame assembly through bolts.

[0020] Furthermore, the upper part of the hydraulic drive assembly is connected with a steering vertical shaft;

[0021] Tapered roller bearings are installed between the two ends of the reversing vertical shaft and the steering vertical shaft cylinder, and a hydraulic vehicle vertical shaft spacer and an inner frame profile are installed between the position of the reversing vertical shaft near the upper end and the steering vertical shaft cylinder and fixed by nuts;

[0022] A stop washer is installed between the nut and the hydraulic vehicle vertical shaft spacer.

[0023] Furthermore, a hydraulic vehicle widening inner support arm is connected to the side of the reversing vertical shaft cylinder.

[0024] The present invention also discloses an agricultural machine, wherein the agricultural machine is integrated with the travel system with the hydraulic floating shock-absorbing lifting mechanism as described above.

[0025] In the above technical solution, the present invention provides a walking system and agricultural machinery with a hydraulic floating shock-absorbing lifting mechanism, which has the following beneficial effects:

[0026] The travel system of the present invention integrates a hydraulic floating shock-absorbing lifting mechanism on each side of the travel wheel, thereby realizing the free lifting and terrain-following function of the single-side travel wheel, making the agricultural machine more adaptable to complex terrain and ensuring more stable travel of the wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0028] Figure 1 A schematic diagram of the structure of a walking system with a hydraulic floating shock-absorbing lifting mechanism provided in an embodiment of the present invention;

[0029] Figure 2 for Figure 1 Middle AA section view;

[0030] Figure 3 for Figure 1 Middle BB section view.

[0031] Description of reference numerals:

[0032] 1. Traveling wheels; 3. Hydraulic drive assembly; 4. Speed ​​reducer; 5. Steering shaft; 6. Hydraulic vehicle widening inner support arm;

[0033] 201. Hydraulic upper floating support frame assembly; 202. Hydraulic lower floating support frame assembly; 203. Hydraulic lifting guide column; 204. Lifting rod copper sleeve; 205. Skeleton oil seal; 206. Hydraulic vehicle lifting rod buffer rubber; 207. Hydraulic vehicle lifting rod baffle; 208. Bolt; 209. Hole retaining ring;

[0034] 301, hydraulic lifting cylinder; 302, cylinder rod; 303, hydraulic accumulator; 304, accumulator oil pipe;

[0035] 501, steering vertical shaft cylinder; 502, tapered roller bearing; 503, hydraulic vehicle vertical shaft spacer; 504, stop washer; 505, nut; 506, inner frame profile. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figures 1 to 3 As shown;

[0038] This embodiment discloses a walking system with a hydraulic floating shock-absorbing lifting mechanism. The inner side of the walking wheel 1 of the walking system is integrated with a hydraulic floating shock-absorbing lifting mechanism, and the mechanism includes:

[0039] A reducer 4 connected to the travel wheel 1, and the reducer 4 is connected to the hydraulic motor, so as to drive the travel wheel to rotate through the transmission of the hydraulic motor and the reducer 4;

[0040] Floating support frame, the floating support frame is divided into a hydraulic upper floating support frame assembly 201 and a hydraulic lower floating support frame assembly 202, the hydraulic upper floating support frame assembly 201 and the hydraulic lower floating support frame assembly 202 are movably connected through a hydraulic lifting guide column 203, and the hydraulic lower floating support frame is connected to the reducer 4 to drive the reducer 4 and the walking wheel 1 to rise and fall;

[0041] The floating support frame is also integrated with a hydraulic drive component 3, and the hydraulic drive component 3 drives the hydraulic lower floating support frame assembly 202 to move in a hydraulically driven manner.

[0042] Specifically, this embodiment discloses a walking system in which a hydraulic floating shock-absorbing lifting mechanism is integrated on each side of the walking wheel; it is first connected to the hydraulic motor through the reducer 4 on the walking wheel 1 side, so as to realize the transmission and deceleration of power, ensure the rotation of the walking wheel 1 and the walking of the device, and the walking wheel 1 of this embodiment includes two parts: a wheel hub and a tire. This embodiment integrates a floating support frame on the inner side of the walking wheel 1, wherein the floating support frame includes a hydraulic upper floating support frame assembly 201 and a hydraulic lower floating support frame assembly 202, and the hydraulic upper floating support frame assembly 201 and the hydraulic lower floating support frame assembly 202 are movably connected through a hydraulic lifting guide column 203, and at the same time, the hydraulic lifting cylinder 301 of the hydraulic drive component 3 is used to drive the hydraulic lower floating support frame assembly 202 to lift and lower, thereby realizing the lifting and lowering of the walking wheel 1 of this embodiment to achieve the functions of imitating the ground and lifting. The floating support frame of this embodiment is guided by the hydraulic lifting guide column 203 during lifting and lowering to ensure the stability of the lifting action.

[0043] Preferably, both ends of the hydraulic upper floating support frame assembly 201 in the embodiment in the length direction and both ends of the hydraulic lower floating support frame assembly 202 in the length direction are connected by hydraulic lifting guide columns 203;

[0044] The hydraulic drive assembly 3 is integrated in the middle of the hydraulic upper floating support frame assembly 201 and the hydraulic lower floating support frame assembly 202 , and the hydraulic drive assembly 3 has a hydraulic lifting cylinder 301 inside, and the hydraulic lower floating support frame assembly 202 is driven to move by the hydraulic lifting cylinder 301 .

[0045] Among them, the cylinder body of the hydraulic lifting cylinder 301 of this embodiment is connected to the hydraulic lower floating support frame assembly 202 through fastening screws, and the cylinder rod of the hydraulic lifting cylinder 301 is connected to the hydraulic upper floating support frame assembly 201 through fastening screws;

[0046] The hydraulic drive assembly 3 is also equipped with a hydraulic accumulator 303 , and the hydraulic accumulator 303 is connected to the hydraulic lifting cylinder 301 via an accumulator oil pipe 304 .

[0047] The hydraulic accumulator 303 of this embodiment stores energy in the cavity of the hydraulic lifting cylinder 301 and increases or decreases the pressure through the accumulator oil pipe 304, so that the vehicle body can float freely.

[0048] Preferably, a lifting rod copper sleeve 204 is provided at the position where the hydraulic lifting guide column 203 of this embodiment cooperates with the hydraulic lower floating support frame assembly 202; this embodiment reduces the connection gap at the hydraulic lower floating support frame assembly 202 by using the lifting rod copper sleeve 204.

[0049] The lifting rod copper sleeve 204 is sleeved on the outer side of the hydraulic lifting guide column 203, and skeleton oil seals 205 are installed at both ends of the lifting rod copper sleeve 204;

[0050] A hole retaining ring 209 is installed inside the lifting rod copper sleeve 204 and close to the skeleton oil seal 205 on the corresponding side.

[0051] This embodiment further defines the connection structure of the hydraulic lifting guide column 203, the hydraulic upper floating support frame assembly 201 and the hydraulic lower floating support frame assembly 202; specifically: the lifting rod copper sleeve 204 of this embodiment is sleeved at the position where the hydraulic lifting guide column 203 and the hydraulic lower floating support frame assembly 202 cooperate, and the lifting rod copper sleeve 204 is used to achieve sliding cooperation. At the same time, the lower end of the hydraulic lifting guide column 203 of this embodiment is equipped with a hydraulic vehicle lifting rod buffer rubber 206 and a hydraulic vehicle lifting rod baffle 207 through bolts 208; the upper end of the hydraulic lifting guide column 203 is assembled and fixed with the hydraulic upper floating support frame assembly 201 through bolts 208. In this embodiment, the hydraulic vehicle lifting rod buffer rubber 206 integrated at the lower end of the hydraulic lifting guide column 203 is used as a buffer component for the lifting and lowering activity of the hydraulic lower floating support frame assembly 202, which plays a buffering role when it is in place.

[0052] Preferably, the upper part of the hydraulic drive assembly 3 of this embodiment is connected with a steering vertical shaft 5;

[0053] Tapered roller bearings 502 are installed between the two ends of the reversing vertical shaft 5 and the steering vertical shaft cylinder 501, and a hydraulic vehicle vertical shaft spacer 503 and an inner skeleton profile 506 are installed between the upper end of the reversing vertical shaft 5 and the steering vertical shaft cylinder 501 and fixed by a nut 505; a stop washer 504 is installed between the nut 505 and the hydraulic vehicle vertical shaft spacer 503.

[0054] Preferably, the side of the reversing vertical shaft cylinder 501 of this embodiment is connected to a hydraulic vehicle widening inner support arm 6.

[0055] The present invention also discloses an agricultural machine, wherein the agricultural machine is integrated with the travel system with the hydraulic floating shock-absorbing lifting mechanism as described above.

[0056] In the above technical solution, the present invention provides a walking system and agricultural machinery with a hydraulic floating shock-absorbing lifting mechanism, which has the following beneficial effects:

[0057] The travel system of the present invention integrates a hydraulic floating shock-absorbing lifting mechanism on each side of the travel wheel, thereby realizing the free lifting and terrain-following function of the single-side travel wheel 1, making the agricultural machine more adaptable to complex terrain and ensuring more stable travel of the wheels.

[0058] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A walking system with a hydraulic floating shock-absorbing lifting mechanism, characterized in that: A hydraulic floating shock-absorbing lifting mechanism is integrated on one inner side of the walking wheel (1) of the walking system, and the mechanism comprises: A reducer (4) connected to the travel wheel (1), and the reducer (4) is connected to the hydraulic motor, so as to drive the travel wheel (1) to rotate through the transmission of the hydraulic motor and the reducer (4); A floating support frame, wherein the floating support frame is divided into a hydraulic upper floating support frame assembly (201) and a hydraulic lower floating support frame assembly (202), the hydraulic upper floating support frame assembly (201) and the hydraulic lower floating support frame assembly (202) are movably connected via a hydraulic lifting guide column (203), and the hydraulic lower floating support frame (202) is connected to the reducer (4) to drive the reducer (4) and the walking wheel (1) to rise and fall; The floating support frame is also integrated with a hydraulic drive component (3), and the hydraulic drive component (3) drives the hydraulic lower floating support frame assembly (202) to move in a hydraulically driven manner.

2. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 1 is characterized in that: Both ends of the hydraulic upper floating support frame assembly (201) in the length direction and both ends of the hydraulic lower floating support frame assembly (202) in the length direction are connected via the hydraulic lifting guide column (203); The hydraulic drive component (3) is integrated in the middle of the hydraulic upper floating support frame assembly (201) and the hydraulic lower floating support frame assembly (202), and the hydraulic drive component (3) has an internal hydraulic lifting cylinder (301), and the hydraulic lower floating support frame assembly (202) is driven to move by the hydraulic lifting cylinder (301).

3. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 2 is characterized in that: The cylinder body of the hydraulic lifting cylinder (301) is connected to the hydraulic lower floating support frame assembly (202) via a fastening screw, and the cylinder rod of the hydraulic lifting cylinder (301) is connected to the hydraulic upper floating support frame assembly (201) via a fastening screw; The hydraulic buffer shock absorbing assembly (3) is also provided with a hydraulic accumulator (303), and the hydraulic accumulator (303) is connected to the hydraulic lifting cylinder (301) via an accumulator oil pipe (304).

4. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 2 is characterized in that: A lifting rod copper sleeve (204) is provided at a position where the hydraulic lifting guide column (203) cooperates with the hydraulic lower floating support frame assembly (202); The lifting rod copper sleeve (204) is sleeved on the outer side of the hydraulic lifting guide column (203), and skeleton oil seals (205) are installed at both ends of the lifting rod copper sleeve (204); A hole retaining ring (209) is installed inside the lifting rod copper sleeve (204) and close to the skeleton oil seal (205) on the corresponding side.

5. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 4 is characterized in that: The lower end of the hydraulic lifting guide column (203) is equipped with a hydraulic vehicle lifting rod buffer rubber (206) and a hydraulic vehicle lifting rod baffle (207) via a bolt (208); The upper end of the hydraulic lifting guide column (203) is assembled and fixed to the hydraulic upper floating support frame assembly (201) via bolts (208).

6. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 3 is characterized in that: The upper part of the hydraulic drive assembly (3) is connected to a steering vertical shaft (5); Tapered roller bearings (502) are installed between the two ends of the reversing vertical shaft (5) and the steering vertical shaft cylinder (501), and a hydraulic vehicle vertical shaft spacer (503) and an inner frame profile (506) are installed between the position near the upper end of the reversing vertical shaft (5) and the steering vertical shaft cylinder (501), and are fixed by nuts (505); A stop washer (504) is installed between the nut (505) and the hydraulic vehicle vertical shaft spacer (503).

7. The walking system with hydraulic floating shock-absorbing lifting mechanism according to claim 6 is characterized in that: The side of the reversing vertical shaft cylinder (501) is connected to a hydraulic vehicle widening inner support arm (6).

8. Agricultural machinery, characterized in that The agricultural machinery is integrated with a travel system having a hydraulic floating shock-absorbing lifting mechanism as described in any one of claims 1 to 7.

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