Balanced supporting wheel

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a balance supporting wheel which can realize a transmission function, is convenient to adjust the depth of the supporting wheel and is suitable for different seeding requirements. Comprising two balance wheel supports, bearings, a supporting balance wheel, a central shaft tube, a supporting balance wheel fixing base, a driving assembly, an adjusting assembly and an installing assembly, the two ends of a middle shaft of the supporting balance wheel are installed on the lower portion between the two balance wheel supports through the bearings, and the central shaft tube is rotatably installed on the upper portions of the two balance wheel supports; the right end of the central shaft tube is rotationally installed on the right balance wheel support through a fixing bearing, the supporting balance wheel fixing base is rotationally installed on the central shaft tube, the adjusting assembly is installed between the supporting balance wheel fixing base and the balance wheel support and used for adjusting depth pressure, and the driving assembly is installed on the left side wall of the balance wheel support and used for driving the balance wheel support to rotate. And the mounting assembly is in transmission connection with the supporting balance wheel and is mounted on the supporting balance wheel fixing seat.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a balancing support wheel. Background Art

[0002] Seeder is a planting machine that uses crop seeds as the sowing object. Seeders used for a certain type or crop are often named after the crop type, such as grain drills, corn hole seeders, cotton seeders, forage spreaders, etc. Since the land is usually uneven, it is necessary for the rollers of the seed drill to have a certain elastic space to ensure that the machine can be kept in a horizontal or nearly horizontal safe operating state during operation. The seed drill support wheel proposed in the prior art publication number CN202998812U includes a support beam, a collar is fixedly installed on the support beam, an inverted V-shaped frame is fixedly installed on the lower part of the collar, a support rod is hinged in the middle part of the inverted V-shaped frame, a roller is rotatably installed on the lower end of the support rod, and springs are installed at both ends of the inverted V-shaped frame, and the other end of the spring is fixedly installed on the support rod, and the collar is fixedly installed on the support beam by bolts. However, it does not have a transmission function, is not convenient for adjusting the depth of the support wheel, and is not suitable for different sowing requirements. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a balanced support wheel which can realize the transmission function, is convenient for adjusting the depth of the support wheel, and is suitable for different sowing requirements.

[0004] The balancing support wheel of the utility model comprises two balancing wheel brackets, bearings, supporting balancing wheels, a central shaft tube, a supporting balancing wheel fixing seat, a driving assembly, an adjusting assembly and a mounting assembly. The two ends of the middle shaft of the supporting balancing wheel are mounted on the lower part between the two balancing wheel brackets through bearings, the central shaft tube is rotatably mounted on the upper part of the two balancing wheel brackets, the right end of the central shaft tube is rotatably mounted on the right balancing wheel bracket through a fixed bearing, the supporting balancing wheel fixing seat is rotatably mounted on the central shaft tube, the adjusting assembly is mounted between the supporting balancing wheel fixing seat and the balancing wheel bracket to adjust the depth and pressure, the driving assembly is mounted on the left side wall of the balancing wheel bracket to be connected with the supporting balancing wheel transmission, and the mounting assembly is mounted on the supporting balancing wheel fixing seat; the mounting assembly is convenient for mounting the component on the machine through the mounting assembly, the depth of the supporting balancing wheel can be adjusted through the adjusting assembly, and when the supporting balancing wheel rotates, the central shaft tube is driven to rotate by the driving assembly, thereby realizing the transmission function, facilitating the adjustment of the depth of the supporting wheel, and being suitable for different sowing requirements.

[0005] Preferably, the adjusting component includes a mounting block, a connecting frame, a rotating block, a screw rod, a screw rod adjusting cap, two baffles, a spring, a nut and a thrust bearing. The connecting frame is fixedly installed in the middle of the two balancing wheel brackets, a mounting block is provided to support the front end of the balancing wheel fixing seat for rotation, and a rotating block is rotatably installed at the rear end of the connecting frame. A screw rod is rotatably installed on the mounting block, and a screw rod adjusting cap is installed on the screw rod through the mounting block. The other end of the screw rod is screwed on the rotating block, and the spring is sleeved on the screw rod. Baffles are installed at both ends of the spring, and a thrust bearing is installed on the top of the upper baffle plate, and the thrust bearing is installed on the mounting block, and a nut is screwed under the lower baffle plate. When in use, the nut at the bottom can be rotated to adjust the pressure of the spring, and rotating the screw rod adjusting cap to drive the screw rod to rotate can push the balancing wheel bracket and adjust the depth of the supporting balancing wheel, which is suitable for different sowing requirements.

[0006] Preferably, the mounting assembly includes a hanging hook, which is mounted on the rear of the supporting balance wheel fixing seat; the hanging hook facilitates the component to be hung on the machine, facilitates disassembly and assembly, and improves practicality.

[0007] Preferably, the driving assembly has two sprockets, chains, retaining springs, clutch wheel springs and clutch wheel spring baffles, the two sprockets are respectively mounted on a central shaft tube and a middle shaft supporting the balance wheel, the upper sprockets are connected by a chain transmission, a retaining spring is mounted on one side of the upper sprocket, a clutch wheel spring is placed between the retaining spring and the sprocket, the clutch wheel spring baffle is mounted on the left end of the central shaft tube, the left end of the clutch wheel spring contacts the clutch wheel spring baffle, the other side of the sprocket is wedge-connected to the central shaft tube, and a hexagonal hole is opened in the middle of the central shaft tube; the hexagonal shaft is inserted into the central shaft tube through the hexagonal hole, and the lower sprocket is driven to rotate when the supporting balance wheel rotates, the lower sprocket drives the upper sprocket to rotate through the chain, the sprocket drives the central shaft tube to rotate, and the central shaft tube drives the hexagonal shaft to rotate, thereby transmitting, and through the cooperation of the clutch wheel spring baffle, the fixed bearing and the retaining spring, it can be ensured that the central shaft tube and the sprocket are only connected during forward rotation and automatically separated during reverse rotation.

[0008] Preferably, it also includes a box body, which is installed on the left side wall of the balance wheel bracket, the sprocket and the chain are located inside the box body, and circular holes are opened at the upper and lower ends of the box body, and dust covers are provided on the circular holes; the sprocket and the chain can be protected by the box body, the circular holes are convenient for maintenance of the chain, and the dust cover can prevent jamming caused by debris, thereby improving the dustproof effect.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the component can be easily installed on the machine through the installation component, the depth of the supporting balance wheel can be adjusted through the adjustment component, and when the supporting balance wheel rotates, the central axis tube is driven to rotate through the driving component, thereby realizing the transmission function, facilitating the adjustment of the depth of the supporting wheel, and being suitable for different sowing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0012] Figure 3 It is a right side cross-sectional structural schematic diagram of the utility model;

[0013] Figure 4 It is a schematic diagram of the internal structure of the box of the utility model;

[0014] Figure 5 It is a structural schematic diagram of the adjustment component of the utility model;

[0015] Figure 6 It is a schematic diagram of the structure of the utility model viewed from above;

[0016] Markings in the attached drawings: 1. balance wheel bracket; 2. bearing; 3. support balance wheel; 4. central shaft tube; 5. support balance wheel fixing seat; 6. mounting block; 7. connecting frame; 8. rotating block; 9. lead screw; 10. lead screw adjustment cap; 11. baffle; 12. spring; 13. nut; 14. thrust bearing; 15. suspension hook; 16. sprocket; 17. chain; 18. retaining spring; 19. clutch wheel spring; 20. clutch wheel spring baffle; 21. fixed bearing; 22. box body. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] like Figures 1 to 6As shown, both ends of the middle shaft supporting the balancing wheel 3 are installed at the lower part between the two balancing wheel brackets 1 through bearings 2, the central shaft tube 4 is rotatably installed on the upper part of the two balancing wheel brackets 1, the right end of the central shaft tube 4 is rotatably installed on the right balancing wheel bracket 1 through a fixed bearing 21, the supporting balancing wheel fixing seat 5 is rotatably installed on the central shaft tube 4, 5 is installed at the rear of the supporting balancing wheel fixing seat 5, the connecting frame 7 is fixedly installed in the middle of the two balancing wheel brackets 1, the front end of the supporting balancing wheel fixing seat 5 is rotatably provided with a mounting block 6, the rear end of the connecting frame 7 is rotatably provided with a rotating block 8, a screw rod 9 is rotatably installed on the mounting block 6, and the screw rod 9 passes through the mounting block 6 and is provided with a screw adjusting cap 10, the other end of the screw rod 9 is screwed on the rotating block 8, a spring 12 is sleeved on the screw rod 9, and baffles 11 are installed at both ends of the spring 12, and the upper baffle 11 A thrust bearing 14 is installed on the top of the balancing wheel bracket 1, and the thrust bearing 14 is installed on the mounting block 6. A nut 13 is screwed below the lower end baffle 11. Two sprockets 16 are respectively installed on the central shaft tube 4 and the middle shaft supporting the balance wheel 3. The upper sprockets 16 are connected by a chain 17. A retaining spring 18 is installed on one side of the upper sprocket 16. A clutch wheel spring 19 is placed between the retaining spring 18 and the sprocket 16. A clutch wheel spring baffle 20 is installed on the left end of the central shaft tube 4. The left end of the clutch wheel spring 19 contacts the clutch wheel spring baffle 20. The other side of the sprocket 16 is wedge-shapedly connected to the central shaft tube 4. A hexagonal hole is opened in the middle of the central shaft tube 4. A box 22 is installed on the left side wall of the balance wheel bracket 1. The sprocket 16 and the chain 17 are located inside the box 22. Round holes are opened at the upper and lower ends of the clutch wheel spring baffle 20.

[0019] The hanging hook 15 is convenient for hanging this component on the machine, which is easy to disassemble and assemble, and improves practicality. When in use, the nut 13 at the bottom can be rotated to adjust the pressure of the spring 12. The screw adjustment cap 10 is rotated to drive the screw 9 to rotate, which can push the balance wheel bracket 1 to adjust the depth of the support balance wheel 3, which is suitable for different sowing requirements. The hexagonal shaft is inserted into the central shaft tube 4 through the hexagonal hole. When the support balance wheel 3 rotates, the lower sprocket 16 is driven to rotate. The lower sprocket 16 drives the upper sprocket 16 to rotate through the chain 17. The sprocket 16 drives the central shaft tube 4 to rotate, and the central shaft tube 4 drives the hexagonal shaft to rotate, thereby transmitting. Through the clutch wheel spring baffle 20, the fixed bearing 21 and the retaining spring 18, it can be ensured that the central shaft tube 4 and the sprocket 16 are only connected during forward rotation and automatically separated during reverse rotation. The sprocket 16 and the chain 17 can be protected by the box body 22. The round hole is convenient for maintaining the chain. The dust cover can avoid jamming caused by debris, thereby improving the dustproof effect.

[0020] like Figures 1 to 6As shown, the balancing support wheel of the utility model is hung on the machine by the hanging hook 15 when working, and the nut 13 at the bottom is rotated to adjust the pressure of the spring 12, and the screw adjustment cap 10 is rotated to drive the screw 9 to rotate, so as to push the balancing wheel bracket 1 and adjust the depth of the supporting balancing wheel 3, and the hexagonal shaft is inserted into the central shaft tube 4 through the hexagonal hole, and when the supporting balancing wheel 3 rotates, the lower sprocket 16 is driven to rotate, and the lower sprocket 16 drives the upper sprocket 16 to rotate through the chain 17, and the sprocket 16 drives the central shaft tube 4 to rotate, and the central shaft tube 4 drives the hexagonal shaft to rotate, thereby transmitting.

[0021] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Balance support wheel, characterized in that: The invention comprises two balancing wheel brackets (1), a bearing (2), a supporting balancing wheel (3), a central shaft tube (4), a supporting balancing wheel fixing seat (5), a driving assembly, an adjusting assembly and a mounting assembly. The two ends of the middle shaft of the supporting balancing wheel (3) are mounted at the lower part between the two balancing wheel brackets (1) through the bearings (2). The central shaft tube (4) is rotatably mounted on the upper part of the two balancing wheel brackets (1). The right end of the central shaft tube (4) is rotatably mounted on the right balancing wheel bracket (1) through a fixed bearing (21). The supporting balancing wheel fixing seat (5) is rotatably mounted on the central shaft tube (4). The adjusting assembly is mounted between the supporting balancing wheel fixing seat (5) and the balancing wheel bracket (1) to adjust the depth and pressure. The driving assembly is mounted on the left side wall of the balancing wheel bracket (1) to be connected to the supporting balancing wheel (3) through transmission. The mounting assembly is mounted on the supporting balancing wheel fixing seat (5).

2. The balancing support wheel according to claim 1, characterized in that: The adjustment component comprises a mounting block (6), a connecting frame (7), a rotating block (8), a screw rod (9), a screw rod adjustment cap (10), two baffles (11), a spring (12), a nut (13) and a thrust bearing (14). The connecting frame (7) is fixedly mounted on the middle of the two balancing wheel brackets (1). The front end of the balancing wheel fixing seat (5) is supported to rotate with a mounting block (6). The rear end of the connecting frame (7) is rotatably mounted with a screw rod (9). The screw rod (9) passes through the mounting block (6) and is mounted with a screw rod adjustment cap (10). The other end of the screw rod (9) is screwed on the rotating block (8). The spring (12) is sleeved on the screw rod (9). Baffles (11) are mounted on both ends of the spring (12). The top of the upper baffle (11) is mounted with a thrust bearing (14). The thrust bearing (14) is mounted on the mounting block (6). The nut (13) is screwed below the lower baffle (11).

3. The balancing support wheel according to claim 1, characterized in that: The mounting assembly comprises a suspension hook (15), and the suspension hook (15) is mounted on the rear part of the supporting balance wheel fixing seat (5).

4. The balancing support wheel according to claim 1, characterized in that: The driving assembly comprises two sprocket wheels (16), a chain (17), a retaining spring (18), a clutch wheel spring (19) and a clutch wheel spring baffle (20). The two sprocket wheels (16) are respectively mounted on a central shaft tube (4) and a middle shaft supporting a balance wheel (3). The upper sprocket wheels (16) are connected to each other by means of a chain (17). A retaining spring (18) is mounted on one side of the upper sprocket wheel (16). A clutch wheel spring (19) is placed between the retaining spring (18) and the sprocket wheel (16). The clutch wheel spring baffle (20) is mounted on the left end of the central shaft tube (4). The left end of the clutch wheel spring (19) contacts the clutch wheel spring baffle (20). The other side of the sprocket wheel (16) is wedge-connected to the central shaft tube (4). A hexagonal hole is provided in the middle of the central shaft tube (4).

5. The balancing support wheel according to claim 4, characterized in that: The invention also comprises a box body (22), which is mounted on the left side wall of the balance wheel bracket (1), the sprocket (16) and the chain (17) are located inside the box body (22), and circular holes are opened at the upper and lower ends of the box body (22), and dust covers are arranged on the circular holes.

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