Novel lower support component damping structure

Abstract

The invention relates to the technical field of triangular chassis damping structures, in particular to a novel lower support component damping structure which comprises a lower support, a damping part, a damping oil cylinder assembly, an energy storage part, a swing part, a rotating arm, a square shaft, a bearing, a hub shaft component, a storage part and a lubricating part. A damping oil cylinder assembly is additionally arranged, nitrogen is stored through a nitrile rubber leather bag in an energy accumulator, when the set pressure is exceeded, hydraulic oil of an oil cylinder compresses the nitrogen to be stored in the energy accumulator, when the pressure is reduced, gas expands to press the hydraulic oil back to the oil cylinder, the oil cylinder stretches and retracts up and down, effective damping is achieved, the bumping amplitude of equipment is reduced, and the comfort degree is improved. The rotating arm is rotationally connected with a square shaft through a bearing, and the square shaft is fixed on the hub shaft part; the square shaft swings left and right around the rotating arm, the whole harvester is smooth during slope operation, and the crop harvesting efficiency is improved; the square shaft is provided with the storage piece used for storing lubricating oil, and the lubricating piece used for lubricating the bearing is installed in the square shaft, so that the bearing can be lubricated conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field of the shock absorption structure of a triangular chassis, specifically to a novel shock absorption structure for a lower bracket component. Background Art

[0002] The basic structure of a rubber half-track product consists of a mechanical frame and a rubber track. Among them, idler wheels, half-track wheels, and drive wheels are fixedly installed on the frame; the function of the lower bracket component of the half-track wheel: generally, it mainly plays a load-bearing role in the traveling structure, and at the same time, it rotates rigidly with the hub shaft component and the idler wheel, and travels at a low speed according to the terrain.

[0003] However, during operation, due to the lack of left and right swing of the lower bracket component, when operating on a slope, the whole vehicle tilts, and when harvesting crops, the heights at both ends in the width direction are different, and the harvested crops are likely to fall off, affecting the one-time harvesting rate of the crops, and requiring farmers to manually harvest them for the second time, increasing the production cost of farmers; during operation, due to the lack of a shock absorption structure in the lower bracket component, the working conditions are poor during operation, the equipment jolts greatly, the driver is prone to fatigue and cannot work for a long time, affecting the operation efficiency and increasing the production cost. Therefore, a novel shock absorption structure for the lower bracket component is needed to solve the above technical problems. Summary of the Invention

[0004] Aiming at the problems in the prior art, the present invention provides a novel shock absorption structure for a lower bracket component.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a novel shock absorption structure for a lower bracket component, including a lower bracket and a hub shaft component; a plurality of shock absorption components are equidistantly installed on the lower bracket, and each shock absorption component includes a connecting seat one and a shock absorption oil cylinder assembly rotatably connected to the connecting seat one. The bottom end of the shock absorption oil cylinder assembly is rotatably connected to a fixed seat, and the shock absorption oil cylinder assembly is controlled by an energy storage component on the lower bracket. A plurality of connecting seats one are fixed to the top end of the lower bracket, and a plurality of connecting seats two are provided at the bottom end of the lower bracket; a swing component is provided between the connecting seat two and the fixed seat. The swing component includes a rotating arm and a square shaft. The rotating arm is rotatably connected to the connecting seat two, and the rotating arm is rotatably connected to the square shaft through a bearing. The square shaft is fixed to the hub shaft component, and the rotating arm is bolted to the fixed seat; a storage component for storing lubricating oil is provided on the square shaft, and a lubricating component for lubricating the bearing is installed inside the square shaft.

[0006] Specifically, the energy storage component includes an accumulator, a pressure gauge, and an oil pipe. An oil pipe is installed on the shock absorption oil cylinder assembly, and the side of the oil pipe away from the shock absorption oil cylinder assembly is connected to the pressure gauge, and the pressure gauge is fixed to the accumulator.

[0007] Specifically, the accumulator is installed on a mounting frame, and the mounting frame is installed on the top end of the lower bracket.

[0008] Specifically, the lubricating part includes an annular groove and an oil injection sleeve. Two oil injection sleeves are fixed at both ends of the square shaft. An annular groove is provided between the square shaft and the oil injection sleeve. The oil injection sleeve is provided between the square shaft and the bearing, and the rotating arm passes through the oil injection sleeve.

[0009] Specifically, a plurality of through holes 1 are penetrated in a circumferential array on one side of the oil injection sleeve facing the bearing, and a plurality of through holes 2 are penetrated in a circumferential array on one side of the oil injection sleeve facing the center of the rotating arm.

[0010] Specifically, the storage component includes a storage chamber and a connecting groove. The storage chamber and the connecting groove are provided inside the square shaft. The storage chamber and the connecting groove are connected. The connecting groove is connected to the annular groove. A through groove is provided on the hub shaft component, and the through groove is arranged corresponding to the storage chamber.

[0011] Specifically, a slide plate is slidably provided in the storage chamber, the bottom end of the slide plate abuts against a second spring, and the second spring is fixed to the bottom end of the storage chamber.

[0012] Specifically, an oil filling hole is provided on the slide plate, and a sealing plate slidably connected to the slide plate is provided, and the sealing plate seals the oil filling hole.

[0013] Specifically, a slot is provided on the side wall of the storage chamber, and the slide plate is arranged corresponding to the slot; a spring 1 is provided inside the slide plate, the sealing plate contacts the spring 1, and a knob is threadedly connected to the sealing plate.

[0014] The beneficial effects of the present invention are: (1) The novel shock-absorbing structure of the lower bracket component described in the present invention has a bottom end of the shock-absorbing cylinder assembly rotatably connected to the fixed seat, and the shock-absorbing cylinder assembly is controlled by the energy storage component on the lower bracket; the shock-absorbing cylinder assembly is added, and the nitrile rubber bladder in the accumulator is used to store nitrogen. When the pressure exceeds the set pressure, the hydraulic oil in the cylinder compresses the nitrogen and stores it in the accumulator. When the pressure decreases, the gas expands and presses the hydraulic oil back into the cylinder, causing the cylinder to extend and retract, thereby achieving effective shock absorption, reducing the vibration amplitude of the equipment, and improving comfort.

[0015] (2) The novel shock-absorbing structure of the lower bracket component described in the present invention has a rotating arm rotatably connected to the square shaft through a bearing, and the square shaft is fixed to the hub shaft component; the square shaft can swing left and right around the rotating arm to ensure that the entire vehicle is flat when operating on a slope, thereby improving the crop harvesting efficiency.

[0016] (3) The novel shock-absorbing structure of the lower bracket component described in the present invention has a storage component for storing lubricating oil on the square shaft, and a lubricating component for lubricating the bearing is installed inside the square shaft, which facilitates the lubrication of the bearing, improves the maintenance efficiency of the bearing, and makes the use stability of the bearing and the rotating arm better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the overall structure of the novel shock-absorbing structure of the lower support component provided by the present invention; Figure 2 is Figure 1 the top view of; Figure 3 It is a schematic diagram of the shock-absorbing oil cylinder assembly and the fixed seat of the present invention; Figure 4 is Figure 3 the cross-sectional view of; Figure 5 It is the cross-sectional view of the hub shaft component of the present invention; Figure 6 is Figure 5 the enlarged schematic diagram of the structure of part A shown in; Figure 7 It is a schematic diagram of the storage member and the square shaft of the present invention; Figure 8 is Figure 7 the cross-sectional view of; Figure 9 It is the cross-sectional view of the rotating arm of the present invention; Figure 10 is Figure 9 the enlarged schematic diagram of the structure of part B shown in; Figure 11 It is the cross-sectional view of the square shaft of the present invention; Figure 12 is Figure 11 the enlarged schematic diagram of the structure of part C shown in; Figure 13 It is the exploded view of the square shaft and the hub shaft component of the present invention; Figure 14 is Figure 13 the enlarged schematic diagram of the structure of part D shown in; Figure 15 It is the exploded view of the square shaft and the slide plate of the present invention.

[0019] In the figure: 1. Lower support; 2. Shock-absorbing member; 201. First connecting seat; 202. Shock-absorbing oil cylinder assembly; 203. Second connecting seat; 204. Fixed seat; 3. Energy storage member; 301. Mounting frame; 302. Accumulator; 303. Pressure gauge; 304. Oil pipe; 4. Swing member; 401. Rotating arm; 402. Square shaft; 403. Bearing; 5. Hub shaft component; 6. Storage member; 601. Storage chamber; 602. Connecting groove; 603. Slide plate; 604. Card slot; 605. Oil injection hole; 606. Sealing plate; 607. Knob; 608. First spring; 609. Second spring; 7. Through groove; 8. Lubricating member; 801. Ring groove; 802. Oil injection sleeve; 803. First through hole; 804. Second through hole. Detailed implementation manners

[0020] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0021] As Figures 1-4 shown, the novel shock-absorbing structure of the lower bracket component of the present invention includes a lower bracket 1 and a hub shaft component 5; a plurality of shock-absorbing members 2 are equidistantly installed on the lower bracket 1, and the shock-absorbing members 2 include a connecting seat one 201 and a shock-absorbing oil cylinder assembly 202 rotatably connected to the connecting seat one 201. The bottom end of the shock-absorbing oil cylinder assembly 202 is rotatably connected to a fixed seat 204, and the shock-absorbing oil cylinder assembly 202 is controlled by an energy storage member 3 on the lower bracket 1. A plurality of connecting seats one 201 are fixed to the top end of the lower bracket 1, and a plurality of connecting seats two 203 are provided at the bottom end of the lower bracket 1; a swing member 4 is provided between the connecting seat two 203 and the fixed seat 204; The energy storage member 3 includes an accumulator 302, a pressure gauge 303 and an oil pipe 304. An oil pipe 304 is installed on the shock-absorbing oil cylinder assembly 202. One side of the oil pipe 304 facing away from the shock-absorbing oil cylinder assembly 202 is connected to the pressure gauge 303. The pressure gauge 303 is fixed to the accumulator 302. The accumulator 302 is installed on a mounting bracket 301, and the mounting bracket 301 is installed on the top end of the lower bracket 1; the energy storage pressure of the accumulator 302 is set through the pressure gauge 303; when the equipment is driving on a bumpy road section during operation and exceeds the set pressure, the hydraulic oil in the oil cylinder of the shock-absorbing oil cylinder assembly 202 compresses nitrogen and stores it in the accumulator 302. When the pressure decreases, the gas expands and presses the hydraulic oil back into the shock-absorbing oil cylinder assembly 202, causing the shock-absorbing oil cylinder assembly 202 to expand and contract up and down, achieving effective shock absorption, reducing the bump amplitude of the equipment, and improving comfort.

[0022] Specifically, as Figures 3-8 and Figure 13 shown, the swing member 4 includes a rotating arm 401 and a square shaft 402. The rotating arm 401 is rotatably connected to the connecting seat two 203. The rotating arm 401 is rotatably connected to the square shaft 402 through a bearing 403. The square shaft 402 is fixed to the hub shaft component 5. The rotating arm 401 is bolted to the fixed seat 204; a storage member 6 for storing lubricating oil is provided on the square shaft 402, and a lubricating member 8 for lubricating the bearing 403 is installed inside the square shaft 402; when the equipment is driving on an inclined plane with different heights on both sides, since the rotating arm 401 is rotatably connected to the square shaft 402 through the bearing 403 and the square shaft 402 is fixed to the hub shaft component 5; the square shaft 402 is enabled to swing left and right around the rotating arm 401, ensuring the flatness of the whole vehicle during slope operation and improving the crop harvesting efficiency.

[0023] Specifically, asFigure 9 , Figure 10 , Figure 13 and Figure 14 As shown, the lubricating member 8 includes an annular groove 801 and an oil injection sleeve 802. Two oil injection sleeves 802 are fixed at both ends of the square shaft 402. An annular groove 801 is provided between the square shaft 402 and the oil injection sleeve 802. The oil injection sleeve 802 is arranged between the square shaft 402 and the bearing 403, and the rotating arm 401 penetrates through the oil injection sleeve 802. A plurality of through holes 803 are circumferentially arrayed and penetrated on one side of the oil injection sleeve 802 facing the bearing 403. A plurality of through holes 804 are circumferentially arrayed and penetrated on one side of the oil injection sleeve 802 facing the center of the rotating arm 401. Lubricating oil enters the annular groove 801 through the communication groove 602, then enters the bearing 403 through the through holes 803, and enters the circular shaft position between the bearing 403 and the rotating arm 401 through the through holes 804 to lubricate the bearing 403 and the rotating arm 401. The lubricating oil is extruded from the annular groove 801 position into the bearing 403, preventing sediment from entering the bearing 403, improving the lubrication effect, and improving the maintenance efficiency of the bearing 403.

[0024] Specifically, as Figures 4-15 shown, the storage member 6 includes a storage chamber 601 and a communication groove 602. The storage chamber 601 and the communication groove 602 are provided inside the square shaft 402. The storage chamber 601 and the communication groove 602 are in communication, and the communication groove 602 is in communication with the annular groove 801. A through groove 7 is provided on the hub shaft member 5, and the through groove 7 is arranged corresponding to the storage chamber 601. A slide plate 603 is slidably arranged in the storage chamber 601. A second spring 609 abuts against the bottom end of the slide plate 603, and the second spring 609 is fixed to the bottom end of the storage chamber 601. An oil injection hole 605 is provided on the slide plate 603. A sealing plate 606 is slidably connected to the slide plate 603, and the sealing plate 606 seals the oil injection hole 605. A clamping groove 604 is provided on the side wall of the storage chamber 601, and the slide plate 603 is arranged corresponding to the clamping groove 604. A first spring 608 is arranged inside the slide plate 603, and the sealing plate 606 abuts against the first spring 608. A knob 607 is threadedly connected to the sealing plate 606; When it is necessary to lubricate the bearing 403, the hexagon socket is engaged with the knob 607, and the knob 607 is turned counterclockwise so that the knob 607 will not block the sealing plate 606 from sliding toward the side of the spring 1 608, and the knob 607 is pushed. The knob 607 drives the sealing plate 606 to compress the spring 1 608, and the sealing plate 606 is not engaged with the slot 604, and the sealing plate 606 does not seal the oil filling hole 605. Then, lubricating oil is added to the storage chamber 601. When the lubricating oil is added, the sealing plate 606 is loosened, and the spring 1 608 is extended to drive the sealing plate 606 to seal the oil filling hole 605. When the oil filling hole 605 is sealed, the sealing plate 606 is not engaged with the slot 604, and the slide plate 603 is pressed. The slide plate 603 is compressed against the spring 2 609, and the slide plate 603 squeezes the lubricating oil inside the storage chamber 601 into the connecting groove 602.

[0025] When the present invention is in use, nitrogen is stored in the nitrile rubber bladder in the accumulator 302, the energy storage pressure of the accumulator 302 is set by the pressure gauge 303, and the two ends of the oil pipe 304 are respectively fixed to the pressure gauge 303 and the shock-absorbing cylinder assembly 202; when the equipment is traveling on a bumpy road section during operation, the set pressure is exceeded, and the cylinder hydraulic oil in the shock-absorbing cylinder assembly 202 compresses the nitrogen and stores it in the accumulator 302. When the pressure decreases, the gas expands and presses the hydraulic oil back to the shock-absorbing cylinder assembly 202, so that the shock-absorbing cylinder assembly 202 can be extended and retracted up and down, thereby achieving effective shock absorption, reducing the bump amplitude of the equipment, and improving comfort; when the equipment is traveling on inclined planes with different heights on both sides, since the rotating arm 401 is rotatably connected to the square shaft 402 through the bearing 403, and the square shaft 402 is fixed on the wheel hub shaft component 5, the square shaft 402 is swung left and right around the rotating arm 401, ensuring that the whole vehicle is flat during slope operation and improving crop harvesting efficiency; When it is necessary to lubricate the bearing 403, the hexagon socket is engaged with the knob 607, and the knob 607 is turned counterclockwise so that the knob 607 does not block the sealing plate 606 from sliding toward the side of the spring 1 608. The knob 607 is pushed, and the sealing plate 606 is driven by the knob 607 to compress the spring 1 608. The sealing plate 606 is not engaged with the slot 604, and the sealing plate 606 does not seal the oil filling hole 605. Then, lubricating oil is added to the storage chamber 601. When the lubricating oil is added, the oil is released. The sealing plate 606 is opened, and the spring 1 608 is extended to drive the sealing plate 606 to seal the oil filling hole 605. When the oil filling hole 605 is sealed, the sealing plate 606 is not engaged with the card slot 604, and the slide plate 603 is pressed. The slide plate 603 is compressed against the spring 2 609, and the slide plate 603 squeezes the lubricating oil inside the storage chamber 601 into the connecting groove 602. The lubricating oil enters the annular groove 801 through the connecting groove 602, and then enters the bearing 403 from the through hole 1 803, and enters the bearing 403 from the through hole 2 80 4 Enter the circular axis position of bearing 403 and rotating arm 401, lubricate bearing 403 and rotating arm 401, and the lubricating oil is squeezed into bearing 403 from the position of annular groove 801, so that mud and sand will not enter bearing 403, thereby improving the lubrication effect and the maintenance efficiency of bearing 403, and making the use stability of bearing 403 and rotating arm 401 better (different from directly applying lubricating oil to the outside, and after the equipment is used, there will be a lot of mud and sand outside bearing 403, and there will be obstacles in the space, which is inconvenient Lubricate each part of the bearing 403), when the lubrication is completed, the spring 2 609 extends to drive the slide plate 603 to reset, and the knob 607 is pulled toward the slot 604, and the sealing plate 606 with the knob 607 is engaged with the slot 604, and then the knob 607 is turned clockwise, and the knob 607 contacts the side wall of the oil filling hole 605, preventing the sealing plate 606 from separating from the slot 604, and also preventing the slide plate 603 from sliding, preventing mud and sand from entering the storage chamber 601, thereby improving the storage effect.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel shock-absorbing structure for the lower bracket component, characterized in that, The invention comprises a lower bracket (1) and a wheel hub shaft component (5); a plurality of shock absorbing components (2) are equidistantly mounted on the lower bracket (1); the shock absorbing components (2) comprise a connecting seat 1 (201) and a shock absorbing oil cylinder assembly (202) rotatably connected to the connecting seat 1 (201); the bottom end of the shock absorbing oil cylinder assembly (202) is rotatably connected to a fixed seat (204); the shock absorbing oil cylinder assembly (202) is controlled by an energy storage component (3) on the lower bracket (1); a plurality of connecting seats 1 (201) are fixed to the top end of the lower bracket (1); a plurality of connecting seats 2 (203) are provided at the bottom end of the lower bracket (1); the connecting seats 2 (203) are A swing member (4) is provided between the connecting seat (203) and the fixing seat (204), the swing member (4) comprising a rotating arm (401) and a square shaft (402), the rotating arm (401) being rotatably connected to the connecting seat (203), the rotating arm (401) being rotatably connected to the square shaft (402) via a bearing (403), the square shaft (402) being fixed to the hub shaft component (5), the rotating arm (401) being bolted to the fixing seat (204); a storage member (6) for storing lubricating oil is provided on the square shaft (402), and a lubricating member (8) for lubricating the bearing (403) is installed inside the square shaft (402).

2. The novel shock-absorbing structure of the lower bracket component according to claim 1, characterized in that: The energy storage component (3) comprises an accumulator (302), a pressure gauge (303) and an oil pipe (304); the oil pipe (304) is installed on the shock-absorbing oil cylinder assembly (202); a side of the oil pipe (304) facing away from the shock-absorbing oil cylinder assembly (202) is connected to the pressure gauge (303); and the pressure gauge (303) is fixed on the accumulator (302).

3. The novel shock-absorbing structure of the lower bracket component according to claim 2, characterized in that: The accumulator (302) is mounted on a mounting frame (301), and the mounting frame (301) is mounted on the top end of the lower bracket (1).

4. The novel shock-absorbing structure of the lower bracket component according to claim 1, characterized in that: The lubricating component (8) comprises an annular groove (801) and an oil injection sleeve (802); two oil injection sleeves (802) are fixed at both ends of the square shaft (402); an annular groove (801) is provided between the square shaft (402) and the oil injection sleeve (802); the oil injection sleeve (802) is provided between the square shaft (402) and the bearing (403); and the rotating arm (401) passes through the oil injection sleeve (802).

5. The novel shock-absorbing structure of the lower bracket component according to claim 4, characterized in that: A plurality of through holes (803) are penetrated in a circular array on one side of the oil injection sleeve (802) facing the bearing (403), and a plurality of through holes (804) are penetrated in a circular array on one side of the oil injection sleeve (802) facing the center of the rotating arm (401).

6. The novel shock-absorbing structure of the lower bracket component according to claim 4, characterized in that: The storage element (6) comprises a storage chamber (601) and a connecting groove (602); the storage chamber (601) and the connecting groove (602) are provided inside the square shaft (402); the storage chamber (601) and the connecting groove (602) are in communication; the connecting groove (602) and the annular groove (801) are in communication; the hub shaft component (5) is provided with a through groove (7); the through groove (7) and the storage chamber (601) are arranged correspondingly.

7. The novel shock-absorbing structure of the lower bracket component according to claim 6, characterized in that: A sliding plate (603) is slidably provided in the storage chamber (601), and a second spring (609) abuts against the bottom end of the sliding plate (603), and the second spring (609) is fixed to the bottom end of the storage chamber (601).

8. The novel shock-absorbing structure of the lower bracket component according to claim 7, characterized in that: An oil injection hole (605) is provided on the sliding plate (603), and a sealing plate (606) is slidably connected to the sliding plate (603), and the sealing plate (606) seals the oil injection hole (605).

9. The novel shock-absorbing structure of the lower bracket component according to claim 8, wherein: A clamping groove (604) is provided on the side wall of the storage chamber (601), and the sliding plate (603) is correspondingly arranged with the clamping groove (604).

10. The novel shock-absorbing structure of the lower bracket component according to claim 9, wherein: A first spring (608) is provided inside the sliding plate (603), the sealing plate (606) abuts against the first spring (608), and a knob (607) is threadedly connected to the sealing plate (606).

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