Tractor hydraulic system control device

Abstract

The utility model discloses a tractor hydraulic system control device, which relates to the technical field of agricultural machinery, and comprises a connection driving box, and the right side of the middle part of the connection driving box is rotatably connected with a hydraulic hanger assembly I; the inner walls of the front portion and the rear portion of the upper portion of the connecting driving box are rotationally connected with second hydraulic hanging tool assemblies, and the second hydraulic hanging tool assemblies are located above the first hydraulic hanging tool assemblies. According to the tractor hydraulic system control device, certain buffering protection can be achieved while the fixing ring and the fixing block can move under the action of the rubber pad, so that abrasion is reduced, noise is reduced, the service life is prolonged, and under the action of the shock absorber, the service life of the tractor hydraulic system control device is prolonged. Damping can be achieved between the fixing block and the fixing ring, damping can be achieved when the tractor drives the farm tool to move, the stability of the farm tool is improved, the shock absorber is sealed through the effect of the rubber sleeve, and the service life of the shock absorber is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a hydraulic system control device for a tractor. Background Art

[0002] As a widely used agricultural machinery, tractors play an important role in my country's agricultural production. During agricultural machinery operations, the hydraulic suspension system of the tractor must be frequently adjusted to control the installed agricultural machinery.

[0003] Chinese patent document CN215774166U discloses a tractor hydraulic system control device, including a hydraulic system, in which a hydraulic cylinder is hinged with a connecting rod with a hinge shaft, and a lifting arm is installed through the lead-out hinge shaft; wherein a lifting control mechanism of the hydraulic system and a floating descent control mechanism are installed on one side of the lifting arm. Therefore, by operating the handle control panel pull wire to control the travel switch dial and the two travel switches on it to change their positions relative to the convex and concave sections of the limit contact plate, the two travel switches are controlled to be connected or disconnected with each other, so that the hydraulic solenoid valve is activated, and the position of the tractor hydraulic cylinder and the rotation position of the handle control panel are synchronized, and the lifting and lowering of the lifting arm by the telescopic action of the hydraulic cylinder is controlled. The hydraulic cylinder can also be controlled by setting a floating descent control mechanism to release and compress the hydraulic cylinder by relying on the deadweight of the lifting arm. It has the characteristics of forced and precise control of lifting and lowering functions, and simple operation and maintenance.

[0004] The existing technology has the following problems:

[0005] The tractor hydraulic system control device cannot ensure stability well when in use, so it is easy to shake greatly when driving the farm implement, which is dangerous. In addition, the fixed components of the tractor hydraulic system control device are easy to collide with the farm implement when in use, which is easy to cause wear. At the same time, it is not able to restrict and protect the hydraulic hitch well when in use. Utility Model Content

[0006] The utility model provides a tractor hydraulic system control device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A tractor hydraulic system control device comprises a connecting drive box, wherein the right side of the middle part of the connecting drive box is rotatably connected to a hydraulic hanger assembly 1, the inner walls of the front and rear parts of the upper part of the connecting drive box are both rotatably connected to a hydraulic hanger assembly 2, and the hydraulic hanger assembly 2 is located above the hydraulic hanger assembly 1, the inner walls of the front and rear parts of the lower part of the connecting drive box are both rotatably connected to a connecting and fixing assembly, and the connecting and fixing assembly is located below the hydraulic hanger assembly 1, the inner walls of the middle parts of the two connecting and fixing assemblies are respectively rotatably connected to the outer walls of the lower parts of the two hydraulic hanger assemblies 2, the lower part of the right side of the connecting drive box is rotatably connected to a supporting and protecting assembly, and the supporting and protecting assembly is located between the two connecting and fixing assemblies, the front and rear sides of the right part of the supporting and protecting assembly are fixedly connected to two symmetrical connecting rods, and the inner walls of the opposite parts of the two connecting rods are respectively rotatably connected to the outer walls of the lower parts of the two connecting and fixing assemblies.

[0009] Preferably, the connecting and fixing assembly includes a connecting plate, the outer wall of the left part of the connecting plate is rotatably connected to the inner wall of the lower part of the connecting driving box, the outer wall of the connecting plate is slidably connected to a moving block, the inner wall of the upper part of the moving block is rotatably connected to the outer wall of the second lower part of the hydraulic hanger assembly, the inner wall of the lower part of the moving block is rotatably connected to two limiting rollers, the outer walls of the two limiting rollers are respectively slidably connected to the inner walls of the front and rear sides of the connecting plate, and the right side of the connecting plate is fixedly connected to a protective assembly.

[0010] Preferably, the protective component includes a fixed block, the left side of the fixed block is fixedly connected to the right side of the connecting plate, the inner wall of the fixed block is clamped with a fixing ring, the left and right sides of the middle outer wall of the fixing ring are fixedly connected with rubber pads, and the two rubber pads are fixedly connected to the inner wall of the fixed block on one side away from the fixing ring.

[0011] Preferably, the left and right parts of the upper surface of the fixing ring are fixedly connected with three fixing sleeves, the bottom of the inner wall of the fixing sleeve is fixedly connected with a shock absorber, the outer wall of the shock absorber is movably sleeved with a rubber sleeve, the upper and lower sides of the rubber sleeve are respectively fixedly connected to the fixing sleeve and the opposite surfaces of the top of the inner wall of the fixing block, and the upper surface of the shock absorber is fixedly connected to the top of the inner wall of the fixing block.

[0012] Preferably, the supporting and protecting assembly includes a connecting block, the outer wall of the connecting block is rotatably connected to the inner wall of the connecting driving box, the right side of the connecting block is fixedly connected to a connecting buffer block, the inner cavities of the front and rear parts of the connecting buffer block are movably sleeved with guide rods, the two guide rods are fixedly connected to the opposite surfaces of the two connecting rods on one side away from the connecting buffer block, the middle parts of the outer walls of the two guide rods are fixedly connected to limiting circular plates, and the outer walls of the two limiting circular plates are movably sleeved with the inner cavity of the connecting buffer block.

[0013] Preferably, buffer springs are fixedly connected to the front and rear sides of the limiting circular plate, and opposite sides of the two buffer springs are respectively fixedly connected to the inner cavity of the buffer block.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] The utility model provides a tractor hydraulic system control device, which enables a fixed ring and a fixed block to move and provide a certain buffer protection through the action of a rubber pad, thereby reducing wear and noise generation, thereby improving service life, and under the action of a shock absorber, shock absorption can be achieved between the fixed block and the fixed ring, so that the tractor can absorb shock when driving a farm implement to move, thereby improving the stability of the farm implement, wherein the shock absorber is sealed through the action of the rubber sleeve, thereby improving its service life.

[0016] The utility model provides a tractor hydraulic system control device, which enables a connecting rod and a connecting block to be fixedly connected with each other with a certain movable space through the action of a guide rod and a limiting circular plate, so that a buffering effect is played under the action of a buffer spring, so that the connecting rod can buffer when limiting two connecting and fixing components, thereby improving stability and reducing internal wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 3 This is a schematic diagram of the structure of the connection and fixing assembly of the utility model;

[0020] Figure 4 It is a schematic cross-sectional view of the protective component of the utility model;

[0021] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;

[0022] Figure 6 It is a schematic diagram of the cross-sectional structure of the support and protection assembly of the utility model;

[0023] Figure 7 For this utility model Figure 6 Enlarged structural diagram at B in the middle.

[0024] In the figure: 1. connecting drive box; 2. hydraulic hanger component 1; 3. hydraulic hanger component 2; 4. connecting fixing component; 5. supporting protection component; 6. connecting rod; 41. connecting plate; 42. moving block; 43. limiting roller; 44. protection component; 441. fixing block; 442. fixing ring; 443. rubber pad; 444. fixing sleeve; 445. shock absorber; 446. rubber sleeve; 51. connecting block; 52. connecting buffer block; 53. guide rod; 54. limiting circular plate; 55. buffer spring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 , Figure 2 As shown, a tractor hydraulic system control device comprises a connecting drive box 1, the right side of the middle part of the connecting drive box 1 is rotatably connected with a hydraulic hanger assembly 2, the inner walls of the front and rear parts of the upper part of the connecting drive box 1 are both rotatably connected with a hydraulic hanger assembly 2 3, and the hydraulic hanger assembly 2 3 is located above the hydraulic hanger assembly 2, the inner walls of the front and rear parts of the lower part of the connecting drive box 1 are both rotatably connected with a connecting and fixing assembly 4, and the connecting and fixing assembly 4 is located below the hydraulic hanger assembly 2, the inner walls of the middle parts of the two connecting and fixing assemblies 4 are respectively rotatably connected with the outer walls of the lower parts of the two hydraulic hanger assemblies 2 3, the lower part of the right side of the connecting drive box 1 is rotatably connected with a supporting and protecting assembly 5, and the supporting and protecting assembly 5 is located between the two connecting and fixing assemblies 4, the front and rear sides of the right part of the supporting and protecting assembly 5 are fixedly connected with two symmetrical connecting rods 6, and the inner walls of the opposite parts of the two connecting rods 6 are respectively rotatably connected with the outer walls of the middle and lower parts of the two connecting and fixing assemblies 4;

[0027] When in use, the farm implement is fixed to the rear of the tractor through the action of the hydraulic hanger assembly 2 and the connecting and fixing assembly 4. At the same time, through the action of the two hydraulic hanger assemblies 2 3, the farm implement can be adjusted and moved under the action of the two connecting and fixing assemblies 4 and the hydraulic hanger assembly 2. At this time, under the action of the supporting and protecting assembly 5 and the connecting rod 6, the two connecting and fixing assemblies 4 can play a role of limiting protection when the farm implement is moved and adjusted, thereby improving the safety of use.

[0028] like Figure 3As shown, the connection and fixing assembly 4 includes a connection plate 41, the outer wall of the left part of the connection plate 41 is rotatably connected to the inner wall of the lower part of the connection driving box 1, the outer wall of the connection plate 41 is slidably connected to a moving block 42, the inner wall of the upper part of the moving block 42 is rotatably connected to the outer wall of the lower part of the hydraulic hanger assembly 23, the inner wall of the lower part of the moving block 42 is rotatably connected to two limiting rollers 43, the outer walls of the two limiting rollers 43 are respectively slidably connected to the inner walls of the front and rear sides of the connection plate 41, and the right side of the connection plate 41 is fixedly connected to a protective assembly 44;

[0029] Through the action of the limiting roller 43 and the moving block 42, the hydraulic hanger assembly 2 3 can lift and move the connecting plate 41, thereby lifting and moving the agricultural implement fixed by the connecting and fixing assembly 4, wherein the limiting roller 43 can not only limit but also improve flexibility, thereby facilitating adjustment and use.

[0030] like Figure 4 As shown, the protection component 44 includes a fixing block 441, the left side of the fixing block 441 is fixedly connected to the right side of the connecting plate 41, the inner wall of the fixing block 441 is clamped with a fixing ring 442, and the left and right sides of the middle outer wall of the fixing ring 442 are fixedly connected with rubber pads 443, and the two rubber pads 443 are fixedly connected to the inner wall of the fixing block 441 at one side away from the fixing ring 442;

[0031] Through the action of the rubber pad 443, the fixing ring 442 and the fixing block 441 can move and have a certain buffer protection, thereby reducing wear and noise generation, thereby increasing the service life.

[0032] like Figure 5 As shown, the left and right parts of the upper surface of the fixing ring 442 are fixedly connected with three fixing sleeves 444, the bottom of the inner wall of the fixing sleeve 444 is fixedly connected with a shock absorber 445, the outer wall of the shock absorber 445 is movably sleeved with a rubber sleeve 446, the upper and lower sides of the rubber sleeve 446 are respectively fixedly connected to the fixing sleeve 444 and the opposite surfaces of the inner wall top of the fixing block 441, and the upper surface of the shock absorber 445 is fixedly connected to the inner wall top of the fixing block 441;

[0033] The shock absorber 445 can reduce vibration between the fixed block 441 and the fixed ring 442, so that the tractor can reduce vibration when driving the farm implement to move, thereby improving the stability of the farm implement. The shock absorber 445 is sealed by the rubber sleeve 446, thereby increasing its service life.

[0034] like Figure 6 , Figure 7As shown, the support and protection assembly 5 includes a connecting block 51, the outer wall of the connecting block 51 is rotatably connected to the inner wall of the connecting drive box 1, the right side of the connecting block 51 is fixedly connected to a connecting buffer block 52, the inner cavities of the front and rear parts of the connecting buffer block 52 are movably sleeved with guide rods 53, the sides of the two guide rods 53 away from the connecting buffer block 52 are respectively fixedly connected to the opposite surfaces of the two connecting rods 6, the middle parts of the outer walls of the two guide rods 53 are fixedly connected to limiting circular plates 54, the outer walls of the two limiting circular plates 54 are respectively movably sleeved with the inner cavity of the connecting buffer block 52; the front and rear sides of the limiting circular plates 54 are fixedly connected to buffer springs 55, and the opposite sides of the two buffer springs 55 are respectively fixedly connected to the inner cavity of the connecting buffer block 52;

[0035] Through the action of the guide rod 53 and the limiting circular plate 54, the connecting rod 6 and the connecting block 51 are fixedly connected while having a certain amount of space for movement, so that they play a buffering role under the action of the buffer spring 55, so that the connecting rod 6 can buffer when limiting the two connecting and fixing components 4, thereby improving stability while reducing internal wear.

[0036] The working principle of the utility model is as follows: when in use, the farm implement is fixed to the rear of the tractor through the action of the hydraulic hanger assembly 1 2 and the connecting and fixing assembly 4, wherein the action of the rubber pad 443 enables the fixing ring 442 and the fixing block 441 to move while having a certain buffer protection, thereby reducing wear and reducing noise generation, and at the same time, through the action of the two hydraulic hanger assemblies 2 3, the farm implement can be adjusted and moved under the action of the two connecting and fixing assemblies 4 and the hydraulic hanger assembly 1 2, and while moving, through the action of the shock absorber 445, the fixing block 441 and the fixing ring 442 can be damped, so that the tractor can dampen the farm implement when driving it to move, thereby improving the stability of the farm implement, and while the tractor is driving, through the action of the guide rod 53 and the limiting circular plate 54, the connecting rod 6 and the connecting block 51 are fixedly connected and have a certain movable space, thereby playing a buffering role under the action of the buffer spring 55, so that the connecting rod 6 can buffer when limiting the two connecting and fixing assemblies 4, thereby improving the safety of use.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A tractor hydraulic system control device, comprising a connecting drive box (1), characterized in that: The right side of the middle part of the connecting driving box (1) is rotatably connected to a hydraulic hanger assembly (2); the inner walls of the front and rear parts of the upper part of the connecting driving box (1) are both rotatably connected to a hydraulic hanger assembly (3), and the hydraulic hanger assembly (3) is located above the hydraulic hanger assembly (2); the inner walls of the front and rear parts of the lower part of the connecting driving box (1) are both rotatably connected to a connecting and fixing assembly (4), and the connecting and fixing assembly (4) is located below the hydraulic hanger assembly (2); the inner walls of the middle parts of the two connecting and fixing assemblies (4) are respectively rotatably connected to the outer walls of the lower parts of the two hydraulic hanger assemblies (3); the lower part of the right side of the connecting driving box (1) is rotatably connected to a supporting and protecting assembly (5), and the supporting and protecting assembly (5) is located between the two connecting and fixing assemblies (4); the front and rear sides of the right part of the supporting and protecting assembly (5) are fixedly connected to two symmetrical connecting rods (6); the inner walls of the opposite parts of the two connecting rods (6) are respectively rotatably connected to the outer walls of the middle and lower parts of the two connecting and fixing assemblies (4); The connecting and fixing assembly (4) comprises a connecting plate (41), the outer wall of the left part of the connecting plate (41) is rotatably connected to the inner wall of the lower part of the connecting driving box (1), the outer wall of the connecting plate (41) is slidably connected to a moving block (42), the inner wall of the upper part of the moving block (42) is rotatably connected to the outer wall of the lower part of the hydraulic hanger assembly (3), the inner wall of the lower part of the moving block (42) is rotatably connected to two limiting rollers (43), the outer walls of the two limiting rollers (43) are respectively slidably connected to the inner walls of the front and rear sides of the connecting plate (41) The right side of the connecting plate (41) is fixedly connected with a protective component (44), and the protective component (44) comprises a fixed block (441). The left side of the fixed block (441) is fixedly connected with the right side of the connecting plate (41). The inner wall of the fixed block (441) is clamped with a fixed ring (442). The left and right sides of the middle outer wall of the fixed ring (442) are fixedly connected with rubber pads (443). The two sides of the rubber pads (443) away from the fixed ring (442) are respectively fixedly connected with the inner wall of the fixed block (441); The support and protection assembly (5) comprises a connecting block (51), the outer wall of which is rotatably connected to the inner wall of the connecting drive box (1), the right side of the connecting block (51) is fixedly connected to a connecting buffer block (52), the inner cavities of the front and rear parts of the connecting buffer block (52) are both movably sleeved with guide rods (53), the sides of the two guide rods (53) away from the connecting buffer block (52) are respectively fixedly connected to the opposite surfaces of the two connecting rods (6), the middle parts of the outer walls of the two guide rods (53) are fixedly connected to limiting circular plates (54), and the outer walls of the two limiting circular plates (54) are respectively movably sleeved with the inner cavity of the connecting buffer block (52).

2. A tractor hydraulic system control device according to claim 1, characterized in that: The left and right parts of the upper surface of the fixing ring (442) are fixedly connected to three fixing sleeves (444); the bottom of the inner wall of the fixing sleeve (444) is fixedly connected to a shock absorber (445); the outer wall of the shock absorber (445) is movably sleeved with a rubber sleeve (446); the upper and lower sides of the rubber sleeve (446) are respectively fixedly connected to the fixing sleeve (444) and the opposite surfaces of the top of the inner wall of the fixing block (441); the upper surface of the shock absorber (445) is fixedly connected to the top of the inner wall of the fixing block (441).

3. A tractor hydraulic system control device according to claim 1, characterized in that: The front and rear sides of the limiting circular plate (54) are both fixedly connected with buffer springs (55), and the opposite sides of the two buffer springs (55) are respectively fixedly connected to the inner cavity of the buffer block (52).

Images