Walking system with hydraulic floating damping lifting mechanism

Abstract

The utility model discloses a walking system with a hydraulic floating damping lifting mechanism, which 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 wheel on one 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 utility model relates to agricultural machinery technical field especially, relate to a walking system with hydraulic floating shock absorption lifting mechanism. BACKGROUND

[0002] With the popularization of the mechanization operation of agriculture in China, the use of agricultural machinery is more and more common, because the environment of the working of agricultural machinery is more complex, and there is rarely flat working condition, therefore, agricultural machinery needs to have certain shock absorption and buffering function.

[0003] And the present stage agricultural machine does not have the damping and the ground simulation structure of independent design in its walking system, generally adopts the way of floating frame to adapt to the work and walking of complex terrain. But for special terrain, a structure that can meet the free lifting and damping of single walking wheel of walking system is needed, and the ground simulation function of single walking wheel can also be realized.

[0004] Therefore, based on the above technical problems, the technical personnel in the art need to develop a walking system with hydraulic floating shock absorption lifting mechanism. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a walking system with hydraulic floating shock absorption lifting mechanism, which integrates hydraulic floating shock absorption lifting mechanism in the walking wheel of the walking system, thereby realizing the free lifting and ground simulation function of single walking wheel, making the agricultural machine more adaptable to complex terrain and ensuring the stable walking of the wheel.

[0006] In order to realize the above purpose, the utility model provides the following technical scheme:

[0007] The utility model relates to a walking system with hydraulic floating shock absorption lifting mechanism, one side of the walking wheel of the walking system is integrated with hydraulic floating shock absorption lifting mechanism, and the mechanism comprises:

[0008] The reduction gear is connected with the walking wheel, and the reduction gear is connected with the hydraulic motor, so that the walking wheel is driven to rotate through the transmission of the hydraulic motor and the reduction gear;

[0009] The floating support frame is divided into hydraulic upper floating support frame assembly and hydraulic lower floating support frame assembly, the hydraulic upper floating support frame assembly and the hydraulic lower floating support frame assembly are movably connected through the hydraulic lifting guide column, and the hydraulic lower floating support frame is connected with the reduction gear to drive the reduction gear and the walking wheel to lift;

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

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

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

[0013] Further, the cylinder body of the hydraulic lifting oil cylinder is connected with the hydraulic lower floating support frame assembly through a fastening screw, and the cylinder rod of the hydraulic lifting oil cylinder is connected with the hydraulic upper floating support frame assembly through a fastening screw;

[0014] The hydraulic buffer damping assembly is further provided with a hydraulic accumulator, and the hydraulic accumulator is connected with the hydraulic lifting oil cylinder through an accumulator oil pipe.

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

[0016] The lifting rod copper bushing is arranged outside the hydraulic lifting guide column, and both ends of the lifting rod copper bushing are provided with skeleton oil seals;

[0017] A hole stop ring is arranged inside the lifting rod copper bushing and close to the skeleton oil seal on the corresponding side.

[0018] Further, the lower end of the hydraulic lifting guide column is provided with a hydraulic vehicle lifting rod buffer rubber and a hydraulic vehicle lifting rod stop sheet through bolts;

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

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

[0021] Both ends of the reversing vertical shaft are provided with tapered roller bearings between the reversing vertical shaft and the reversing vertical shaft cylinder, and the reversing vertical shaft is provided with a hydraulic vehicle vertical shaft spacer and an inner wrapped skeleton profile between the reversing vertical shaft and the reversing vertical shaft cylinder close to the upper end, and is fixed through a nut;

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

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

[0024] In the above technical solution, the walking system with the hydraulic floating damping lifting mechanism has the following beneficial effects:

[0025] The walking system has the hydraulic floating damping lifting mechanism integrated on each walking wheel, thereby realizing free lifting and ground simulation of the single walking wheel, and making the agricultural machine more adaptable to complex terrains and ensuring more stable walking of the wheels. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to make the technical personnel in the art better understand the technical scheme of the present application, the following will be further introduced in detail with reference to the drawings.

[0027] Figure 1 The structure schematic view of the walking system with the hydraulic floating damping lifting mechanism provided by the present application;

[0028] Figure 2 For Figure 1 the A-A direction sectional view in the figure;

[0029] Figure 3 For Figure 1 the B-B direction sectional view in the figure.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, walking wheel; 3, hydraulic drive assembly; 4, speed reducer; 5, steering vertical shaft; 6, hydraulic vehicle opening inner support arm;

[0032] 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 stop ring;

[0033] 301, hydraulic lifting oil cylinder; 302, cylinder rod; 303, hydraulic accumulator; 304, accumulator oil pipe;

[0034] 501, steering vertical shaft cylinder; 502, tapered roller bearing; 503, hydraulic vehicle vertical shaft spacer; 504, stop washer; 505, nut; 506, inner wrapped skeleton profile. DETAILED DESCRIPTION

[0035] In order to make the technical personnel in the art better understand the technical scheme of the present application, the following will be further introduced in detail with reference to the drawings.

[0036] Referring to Figures 1 to 3 as shown;

[0037] The embodiment discloses a walking system with a hydraulic floating damping lifting mechanism, and the walking wheel 1 of the walking system is integrated with the hydraulic floating damping lifting mechanism on one side of the inner side of the walking wheel 1, and the mechanism comprises the following parts:

[0038] A speed reducer 4 connected with the walking wheel 1, and the speed reducer 4 is connected with a hydraulic motor, so that the walking wheel is driven to rotate through the transmission of the hydraulic motor and the speed reducer 4;

[0039] A 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 is movably connected with the hydraulic lower floating support frame assembly 202 through a hydraulic lifting guide column 203, and the hydraulic lower floating support frame is connected with the speed reducer 4 to drive the speed reducer 4 and the walking wheel 1 to lift;

[0040] The floating support frame is further integrated with a hydraulic driving assembly 3, and the hydraulic driving assembly 3 drives the hydraulic lower floating support frame assembly 202 to move in a hydraulic driving mode.

[0041] Specifically, the embodiment discloses a walking system with a hydraulic floating damping lifting mechanism integrated on each side of the walking wheel; first, the walking wheel 1 is connected with a hydraulic motor through a speed reducer 4 on one side of the walking wheel 1, so that the transmission of power and speed reduction are realized, and the rotation of the walking wheel 1 and the walking of the device are ensured, and the walking wheel 1 of the embodiment comprises a hub and a tire. The floating support frame is integrated on one side of the inner side of the walking wheel 1, wherein the floating support frame comprises 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 meanwhile, the hydraulic lower floating support frame assembly 202 is driven to move up and down by a hydraulic lifting oil cylinder 301 of a hydraulic driving assembly 3, so that the lifting of the walking wheel 1 of the embodiment is realized, and the functions of ground simulation and lifting are achieved. When the floating support frame of the embodiment is lifted through the hydraulic lifting guide column 203, the stability of the lifting action is ensured.

[0042] Preferably, the two ends of the length direction of the hydraulic upper floating support frame assembly 201 and the two ends of the length direction of the hydraulic lower floating support frame assembly 202 are connected through the hydraulic lifting guide column 203;

[0043] The hydraulic driving assembly 3 is integrated in the middle position of the hydraulic upper floating support frame assembly 201 and the hydraulic lower floating support frame assembly 202, the hydraulic lifting oil cylinder 301 is arranged in the hydraulic driving assembly 3, and the hydraulic lower floating support frame assembly 202 is driven to move through the hydraulic lifting oil cylinder 301.

[0044] In the embodiment, the cylinder body of the hydraulic lifting cylinder 301 is connected with the hydraulic lower floating support frame assembly 202 through fastening screws, and the cylinder rod of the hydraulic lifting cylinder 301 is connected with the hydraulic upper floating support frame assembly 201 through fastening screws.

[0045] The hydraulic driving assembly 3 is further provided with a hydraulic accumulator 303, and the hydraulic accumulator 303 is connected with the hydraulic lifting cylinder 301 through an accumulator oil pipe 304.

[0046] The hydraulic accumulator 303 of the embodiment stores energy in the cavity of the hydraulic lifting cylinder 301 and increases or decreases pressure, so that the vehicle body can freely float.

[0047] Preferably, the position where the hydraulic lifting guide column 203 cooperates with the hydraulic lower floating support frame assembly 202 is provided with a lifting rod copper sleeve 204; the embodiment reduces the connection gap at the hydraulic lower floating support frame assembly 202 through the lifting rod copper sleeve 204.

[0048] The lifting rod copper sleeve 204 is sleeved on the outside of the hydraulic lifting guide column 203, and the two ends of the lifting rod copper sleeve 204 are provided with skeleton oil seals 205;

[0049] A hole stop ring 209 is installed inside the lifting rod copper sleeve 204 and close to the corresponding side skeleton oil seal 205.

[0050] The embodiment further limits 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 the embodiment is sleeved at the position where the hydraulic lifting guide column 203 cooperates with the hydraulic lower floating support frame assembly 202, and the sliding cooperation is realized by the lifting rod copper sleeve 204, at the same time, the lower end of the hydraulic lifting guide column 203 of the embodiment is assembled with a hydraulic vehicle lifting rod buffer rubber 206 and a hydraulic vehicle lifting rod stop sheet 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. The hydraulic vehicle lifting rod buffer rubber 206 integrated at the lower end of the hydraulic lifting guide column 203 of the embodiment is used as a buffer component for the lifting movement of the hydraulic lower floating support frame assembly 202, and plays a buffering role when reaching the position.

[0051] Preferably, the upper part of the hydraulic driving assembly 3 of the embodiment is connected with a steering vertical shaft 5.

[0052] The conical roller bearing 502 is installed between the two ends of the reversing vertical shaft 5 and the steering vertical shaft cylinder 501, and the hydraulic truck vertical shaft spacer 503 and the inner wrapped frame profile 506 are installed between the position of the reversing vertical shaft 5 close to the upper end and the steering vertical shaft cylinder 501, and are fixed through the nut 505; the stop washer 504 is installed between the nut 505 and the hydraulic truck vertical shaft spacer 503.

[0053] Preferably, the reversing vertical shaft cylinder 501 of the embodiment is connected with the hydraulic truck opening wide inner branch arm 6 on the side.

[0054] The utility model discloses still a kind of agricultural machinery, the agricultural machinery is integrated with the walking system with the hydraulic floating shock-absorbing lifting mechanism as described above.

[0055] In the above technical scheme, the utility model provides a kind of walking system and agricultural machinery with hydraulic floating shock-absorbing lifting mechanism, with the following beneficial effects:

[0056] The walking system of the utility model is integrated with hydraulic floating shock-absorbing lifting mechanism on each walking wheel, to realize the free lifting and ground-imitating function of single walking wheel 1, so that agricultural machinery can adapt to complex terrain more, ensure that wheel walks more stably.

[0057] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, under the condition that deviating from the spirit and scope of the utility model, the described embodiment can be modified in various different ways. Therefore, the above drawing and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A walking system having a hydraulic floating shock absorbing lifting mechanism, characterized by, The inside of the walking wheel (1) of the walking system is integrated with a hydraulic floating damping lifting mechanism, which comprises: A speed reducer (4) connected with the walking wheel (1), and the speed reducer (4) is connected with a hydraulic motor to drive the walking wheel (1) to rotate through the transmission of the hydraulic motor and the speed reducer (4); A floating support frame, which 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) is movably connected with the hydraulic lower floating support frame assembly (202) through a hydraulic lifting guide column (203), and the hydraulic lower floating support frame (202) is connected with the speed reducer (4) to drive the speed reducer (4) and the walking wheel (1) to lift; The position where the hydraulic lifting guide column (203) cooperates with the hydraulic lower floating support frame assembly (202) is provided with a lifting rod copper sleeve (204); The floating support frame is also integrated with a hydraulic drive assembly (3), and the hydraulic drive assembly (3) drives the hydraulic lower floating support frame assembly (202) to move in a hydraulic driven manner.

2. The walking system with a hydraulic floating shock-absorbing lifting mechanism according to claim 1, characterized in that The two ends of the length direction of the hydraulic upper floating support frame assembly (201) are connected with the two ends of the length direction of the hydraulic lower floating support frame assembly (202) through the hydraulic lifting guide column (203); The hydraulic drive assembly (3) is integrated in the middle position of the hydraulic upper floating support frame assembly (201) and the hydraulic lower floating support frame assembly (202), and the hydraulic drive assembly (3) is internally provided with a hydraulic lifting oil cylinder (301), and the hydraulic lower floating support frame assembly (202) is driven to move by the hydraulic lifting oil cylinder (301).

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

4. The walking system with a hydraulic floating shock-absorbing lifting mechanism according to claim 2, characterized in that The lifting rod copper sleeve (204) is sleeved on the outside of the hydraulic lifting guide column (203), and the two ends of the lifting rod copper sleeve (204) are provided with skeleton oil seals (205); A hole stop ring (209) is installed inside the lifting rod copper sleeve (204) and close to the corresponding side of the skeleton oil seal (205).

5. The walking system with a hydraulic floating shock-absorbing lifting mechanism according to claim 4, characterized in that The lower end of the hydraulic lifting guide column (203) is assembled with a hydraulic vehicle lifting rod buffer rubber (206) and a hydraulic vehicle lifting rod stop sheet (207) through a bolt (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 a bolt (208).

6. The walking system with a hydraulic floating shock-absorbing lifting mechanism according to claim 3, characterized in that The upper part of the hydraulic drive assembly (3) is connected with a steering vertical shaft (5); The conical roller bearing (502) is installed between the two ends of the reversing vertical shaft (5) and the steering vertical shaft cylinder (501), and the hydraulic truck vertical shaft spacer sleeve (503) and the inner wrapped skeleton profile (506) are installed between the position close to the upper end of the reversing vertical shaft (5) and the steering vertical shaft cylinder (501), and are fixed through the nut (505). The stop washer (504) is installed between the nut (505) and the hydraulic truck vertical shaft spacer sleeve (503).

7. The walking system with a hydraulic floating shock-absorbing lifting mechanism according to claim 6, characterized in that The hydraulic truck opening wide inner branch arm (6) is connected to the side of the reversing vertical shaft cylinder (501).

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