Pesticide spraying tractor height adjusting supporting shaft end face grinding device

By designing the transmission and circumferential drive components, the problem of scratches during the grinding of the support shaft end face was solved, achieving efficient grinding results and improved chrome plating quality.

CN223588960UActive Publication Date: 2025-11-25CHANGZHOU DAQUAN MACHINERY CO LTD
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Patent Information

Application Number
CN202423192252.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the prior art, the end face of the support shaft of the pesticide spraying tractor is prone to fine scratches along the rotation direction during grinding, which are then deepened, resulting in poor chrome plating quality.

Method used

A grinding device for the end face of the height-adjustable support shaft of a pesticide spraying tractor was designed. It adopts a transmission component and a circumferential drive component, which enables the grinding disc to rotate circumferentially along the inner hole of the support shaft, avoiding the fixed contact position between the grinding disc and the support shaft and improving the grinding effect.

Benefits of technology

Through the design of the transmission and circumferential drive components, the polishing disc rotates circumferentially within the inner hole of the support shaft, avoiding scratches at the contact point and ensuring the quality of chrome plating and polishing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing equipment, in particular to a pesticide spraying tractor height adjusting supporting shaft end face polishing device, a supporting shaft is provided with an inner hole extending in the axial direction of the supporting shaft, and the polishing device comprises a base, a fixing mechanism, a polishing mechanism and a power mechanism. The fixing mechanism is used for fixing the supporting shaft, the power mechanism is fixedly connected with the base, the output end of the power mechanism is fixedly connected with the polishing mechanism, and the power mechanism is used for providing power for the end face, close to or away from the supporting shaft, of the polishing end of the polishing mechanism. The grinding mechanism comprises a rotating seat, a mounting seat, a plurality of grinding discs, a transmission assembly and a circumferential driving assembly, through the design of the transmission assembly and the circumferential driving assembly, the grinding discs can rotate in the circumferential direction of the inner hole of the supporting shaft while rotating, and the situation that the grinding discs are in contact with the supporting shaft at the moment can be avoided; therefore, the grinding and polishing effects are improved, and the chromium plating quality is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing equipment technical field especially is related to a pesticide spraying tractor height adjusting support shaft end face polishing device. BACKGROUND

[0002] The height adjusting support shaft of the pesticide spraying tractor is a key component, which allows the operator to adjust the height of the tractor and the suspended agricultural implement according to the actual ground conditions and work requirements. In pesticide spraying operations, the height adjustment of the tractor is crucial. By adjusting the height, it can ensure that the distance between the agricultural implement and the ground is moderate, avoiding excessive friction or collision between the agricultural implement and the ground, thereby improving work efficiency and quality, and prolonging the service life of the tractor and the agricultural implement. And the support shaft needs to be polished before chromium plating, the existing polishing equipment adopts a single polishing disc to polish the end face of the support shaft with an inner hole, so that the contact position of the polishing disc and the end face of the support shaft is located on a fixed circumferential diameter of the polishing disc, which makes it easy to produce a small scratch extending in the rotation direction at this position and deepen with polishing (the surface material at this position will be excessively removed if the polishing disc stays at a certain position for too long, forming a deeper scratch or depression). SUMMARY

[0003] The technical problem to be solved by the utility model is that the single polishing disc is used to polish the end face of the support shaft with an inner hole in the prior art, so that the contact position of the polishing disc and the end face of the support shaft is located on a fixed circumferential diameter of the polishing disc, which makes it easy to produce a small scratch extending in the rotation direction at this position and deepen with polishing. The utility model provides a pesticide spraying tractor height adjusting support shaft end face polishing device.

[0004] The utility model adopts the technical scheme in the technical problem is solved: a pesticide spraying tractor height adjusting support shaft end face polishing device, the support shaft has the inner hole extending along its axial direction, the polishing device includes base, fixed mechanism, polishing mechanism and power mechanism, fixed mechanism and base fixed connection, fixed mechanism is used for fixing support shaft, polishing mechanism is used for polishing the end of support shaft, power mechanism and base fixed connection, power mechanism's output and polishing mechanism fixed connection, power mechanism is used for providing power for the polishing end of polishing mechanism to be close to or away from the end face of support shaft;

[0005] The polishing mechanism comprises a rotating seat, a plurality of polishing discs, a transmission assembly and a circumferential driving assembly, the output end of the mounting seat and the power mechanism are fixedly connected, the rotating seat and the mounting seat are rotationally connected, the transmission assembly comprises a driven gear and a plurality of driving gears, the driven gear and the mounting seat are fixedly connected, the driving gears and the rotating seat are rotationally connected, the driven gear and the driving gears are engaged, the polishing discs and the driving gears are one-to-one corresponding, the polishing disc and the corresponding driving gear are fixedly connected, the circumferential driving assembly and the mounting seat are fixedly connected, the output end of the circumferential driving assembly and the rotating seat are transmissionally connected, the circumferential driving assembly is used for providing power for the rotation of the polishing disc around the inner hole of the supporting shaft and providing power for the rotation of the polishing disc, through the design of the transmission assembly and the circumferential driving assembly, the polishing disc can rotate around the inner hole of the supporting shaft while rotating by itself, the moment of contact between the polishing disc and the supporting shaft can be avoided, thereby improving the polishing and polishing effect and ensuring the quality of chromium plating.

[0006] In order to solve the problem of how to arrange the circumferential driving assembly, the circumferential driving assembly further comprises a circumferential motor, a transmission gear and a gear ring matched with the transmission gear, the gear ring and the rotating seat are fixedly connected, the circumferential motor and the mounting seat are fixedly connected, the transmission gear is arranged on the output shaft of the circumferential motor, the transmission gear and the gear ring are engaged, and the circumferential motor is used for providing power for the rotation of the gear ring.

[0007] The transmission assembly further comprises three driving gears, and the two adjacent driving gears are spaced apart by 120°.

[0008] In order to solve the problem of how to arrange the power mechanism, the power mechanism further comprises a sliding block, a sliding rail matched with the sliding block and a power assembly, the sliding rail and the base are fixedly connected, the sliding block and the sliding rail are slidingly connected, the power assembly and the base are fixedly connected, the output end of the power assembly and the sliding block are fixedly connected, and the sliding block and the mounting seat are fixedly connected.

[0009] In order to solve the problem of how to arrange the power mechanism, the power assembly is a gas cylinder, the gas cylinder and the base are fixedly connected, and the output end of the gas cylinder and the sliding block are fixedly connected.

[0010] In order to solve the problem of how to arrange the power mechanism, the power assembly comprises a driving motor and a lead screw, the lead screw and the sliding block are threadedly connected, the driving motor and the base are fixedly connected, and the output end of the driving motor and the lead screw are transmissionally connected.

[0011] The polishing mechanism has two, and the power mechanism drives the polishing mechanism to approach and clamp the supporting shaft.

[0012] The utility model discloses an agricultural pesticide spraying tractor height adjusting support shaft end face polishing device, through the design of transmission assembly and circumferential drive assembly, make the polishing disc rotate itself can along the hole circumferential rotation of support shaft polishing, can avoid the contact position of polishing disc and support shaft that moment, thereby improved polishing polishing effect, ensured the quality of chromium plating. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further described below in combination with the drawings and examples.

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the utility model Figure 1 It is the enlarged structure schematic diagram of A in the utility model;

[0016] Figure 3 It is the structure schematic diagram of another embodiment of the utility model;

[0017] Figure 4 It is the enlarged structure schematic diagram of B in the utility model; Figure 3

[0018] Figure 5 It is the structure schematic diagram of transmission assembly of the utility model.

[0019] In the drawing: 1, base, 2, fixed mechanism, 3, polishing mechanism, 31, rotating seat, 32, mounting seat, 34, polishing disc, 33, circumferential drive assembly, 331, circumferential motor, 332, transmission gear, 333, gear ring, 35, transmission assembly, 351, driven gear, 352, driving gear, 4, power mechanism, 41, sliding block, 42, slide rail, 43, power assembly, 431, air cylinder, 432, drive motor, 433, screw rod. DETAILED DESCRIPTION

[0020] The utility model will be further described in combination with the drawings. These drawings are all simplified schematic diagrams, just with the schematic way of expression the basic structure of the utility model, so it just shows the constitution related with the utility model.

[0021] As Figure 1 ​It is the structural schematic diagram of the height adjusting support shaft end face polishing device of pesticide spraying tractor, the support shaft has the inner hole extending along its axial direction, the polishing device includes base 1, fixing mechanism 2, polishing mechanism 3 and power mechanism 4, fixing mechanism 2 and base 1 are fixedly connected, fixing mechanism 2 is used for fixing the support shaft, polishing mechanism 3 is used for polishing the end of the support shaft, power mechanism 4 and base 1 are fixedly connected, the output end of power mechanism 4 and polishing mechanism 3 are fixedly connected, power mechanism 4 is used for providing power for the polishing end of polishing mechanism 3 to approach or move away from the end face of the support shaft; fixing mechanism 2 can be a placing seat or a clamp, fixing mechanism 2 is used to fix the support shaft on base 1 and make the position of the support shaft contact with the polishing disc 34.

[0022] As shown in Figure 1 , Figure 2 , the polishing mechanism 3 includes rotating seat 31, mounting seat 32, a plurality of polishing discs 34, transmission assembly 35 and circumferential driving assembly 33, the output end of power mechanism 4 and mounting seat 32 are fixedly connected, rotating seat 31 and mounting seat 32 are rotationally connected, transmission assembly 35 includes driven gear 351 and a plurality of driving gears 352, driven gear 351 and mounting seat 32 are fixedly connected, that is, the mounting shaft of driven gear 351 passes through rotating seat 31 and is fixedly connected with mounting seat 32, driving gear 352 and rotating seat 31 are rotationally connected, driven gear 351 and driving gear 352 are engaged, polishing disc 34 and driving gear 352 one-to-one correspond, polishing disc 34 and the corresponding driving gear 352 are fixedly connected, circumferential driving assembly 33 and mounting seat 32 are fixedly connected, the output end of circumferential driving assembly 33 and rotating seat 31 are transmissionally connected, circumferential driving assembly 33 is used for providing power for the rotation of polishing disc 34 around the inner hole of the support shaft and providing power for the autorotation of polishing disc 34.

[0023] Rotating groove is formed in rotating seat 31, rotating block matched with rotating shaft is formed in mounting seat 32, the rotating block is located in the rotating groove, and the positions of the rotating groove and the rotating block can be interchanged.

[0024] As shown in Figure 5 , transmission assembly 35 includes three driving gears 352, and the interval between two adjacent driving gears 352 is 120°.

[0025] Polishing mechanism 3 has two, and power mechanism 4 drives polishing mechanism 3 to approach and clamp the support shaft. When power mechanism 4 is two, the polishing discs 34 on both sides of the support shaft can cooperate to clamp the support shaft, so that the support shaft completes the polishing process.

[0026] The circumferential driving assembly 33 comprises a circumferential motor 331, a transmission gear 332 and a gear ring 333 matched with the transmission gear 332, the gear ring 333 is fixedly connected with the rotating seat 31, the circumferential motor 331 is fixedly connected with the mounting seat 32, the transmission gear 332 is arranged on the output shaft of the circumferential motor 331, the transmission gear 332 is engaged with the gear ring 333, the circumferential motor 331 is used for providing power for rotation of the gear ring 333, and the gear ring 333 has external teeth on the outer periphery.

[0027] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , the power mechanism 4 comprises a sliding block 41, a sliding rail 42 matched with the sliding block 41 and a power assembly 43, the sliding rail 42 is fixedly connected with the base 1, the sliding block 41 is slidingly connected with the sliding rail 42, the power assembly 43 is fixedly connected with the base 1, the output end of the power assembly 43 is fixedly connected with the sliding block 41, the sliding block 41 is fixedly connected with the mounting seat 32, and the cooperation of the sliding block 41 and the sliding rail 42 can increase the stability of the movement of the polishing mechanism 2.

[0028] The power assembly 43 is a pneumatic cylinder 431, the pneumatic cylinder 431 is fixedly connected with the base 1, and the output end of the pneumatic cylinder 431 is fixedly connected with the sliding block 41. The pneumatic cylinder 431 is in one-to-one correspondence with the polishing mechanism 2, the pneumatic cylinder 431 is connected with the corresponding polishing mechanism 2, and the output end of the pneumatic cylinder 431 can also be connected with the mounting seat 32.

[0029] In another embodiment, as shown in Figure 3 , Figure 4 , the power assembly 43 comprises a driving motor 432 and a lead screw 433, the lead screw 433 is threadedly connected with the sliding block 41, the driving motor 432 is fixedly connected with the base 1, and the output end of the driving motor 432 is drivingly connected with the lead screw 433. When the polishing mechanism 2 is designed as two, the lead screw 433 can be a double-threaded lead screw, that is, it has two threaded segments, and the screw threads of the two threaded segments are opposite in spiral direction, so that when the lead screw 433 rotates, the polishing mechanisms 2 can approach or move away from each other.

[0030] In use, the support shaft is placed on the fixing mechanism 2, the power assembly 43 is started to make the polishing mechanism 2 close to the end face of the support shaft until the polishing disc 34 contacts the end face of the support shaft, the circumferential motor 331 is started to drive the gear ring 333 to rotate through the transmission gear 332, the gear ring 333 drives the rotating seat 31 to rotate, and the rotating seat 31 drives the driving gear 352 to rotate circumferentially, so that the driving gear 352 can rotate around the axis due to the restriction of the driven gear 351, thereby driving the polishing disc 34 on the driving gear 352 to rotate circumferentially along the inner hole of the support shaft while rotating by itself.

[0031] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A pesticide spraying tractor height adjustment support shaft end face polishing device, the support shaft having an inner hole extending along an axial direction thereof, characterized in that, The polishing device comprises a base (1), a fixing mechanism (2), a polishing mechanism (3) and a power mechanism (4), the fixing mechanism (2) is fixedly connected with the base (1), the fixing mechanism (2) is used for fixing a support shaft, the polishing mechanism (3) is used for polishing the end of the support shaft, the power mechanism (4) is fixedly connected with the base (1), the output end of the power mechanism (4) is fixedly connected with the polishing mechanism (3), and the power mechanism (4) is used for providing power for the polishing end of the polishing mechanism (3) to approach or move away from the end face of the support shaft. The polishing mechanism (3) comprises a rotating seat (31), a mounting seat (32), a plurality of polishing discs (34), a transmission assembly (35) and a circumferential driving assembly (33), the mounting seat (32) is fixedly connected with the output end of the power mechanism (4), the rotating seat (31) is rotationally connected with the mounting seat (32), the transmission assembly (35) comprises a driven gear (351) and a plurality of driving gears (352), the driven gear (351) is fixedly connected with the mounting seat (32), the driving gears (352) are rotationally connected with the rotating seat (31), the driven gear (351) is meshed with the driving gears (352), the polishing discs (34) are in one-to-one correspondence with the driving gears (352), the polishing disc (34) and the corresponding driving gear (352) are fixedly connected, the circumferential driving assembly (33) is fixedly connected with the mounting seat (32), the output end of the circumferential driving assembly (33) is transmissionally connected with the rotating seat (31), and the circumferential driving assembly (33) is used for providing power for the rotation of the polishing disc (34) around the inner hole of the support shaft and the self-rotation of the polishing disc (34).

2. The height adjustable support shaft end face grinding device of a pesticide spraying tractor according to claim 1, characterized in that: The circumferential driving assembly (33) comprises a circumferential motor (331), a transmission gear (332) and a gear ring (333) matched with the transmission gear (332), the gear ring (333) is fixedly connected with the rotating seat (31), the circumferential motor (331) is fixedly connected with the mounting seat (32), the transmission gear (332) is arranged on the output shaft of the circumferential motor (331), the transmission gear (332) is meshed with the gear ring (333), and the circumferential motor (331) is used for providing power for the rotation of the gear ring (333).

3. The height adjustable support shaft end face grinding device of a pesticide spraying tractor according to claim 1, characterized in that: The transmission assembly (35) comprises three driving gears (352), and the interval between two adjacent driving gears (352) is 120°.

4. The height adjustable support shaft end face grinding device for pesticide spraying tractor according to claim 1, characterized in that: The power mechanism (4) comprises a sliding block (41), a sliding rail (42) matched with the sliding block (41) and a power assembly (43), the sliding rail (42) is fixedly connected with the base (1), the sliding block (41) is slidingly connected with the sliding rail (42), the power assembly (43) is fixedly connected with the base (1), the output end of the power assembly (43) is fixedly connected with the sliding block (41), and the sliding block (41) is fixedly connected with the mounting seat (32).

5. A pesticide spraying tractor height adjustment support shaft end face polishing device according to claim 4, characterized in that: The power assembly (43) is a cylinder (431), the cylinder (431) is fixedly connected with the base (1), and the output end of the cylinder (431) is fixedly connected with the sliding block (41).

6. A height adjustable support shaft end face grinding device for a pesticide spraying tractor as claimed in claim 4, characterized in that: The power assembly (43) comprises a driving motor (432) and a lead screw (433), the lead screw (433) is threadedly connected with the sliding block (41), the driving motor (432) is fixedly connected with the base (1), and the output end of the driving motor (432) is in transmission connection with the lead screw (433).

7. The height adjustable support shaft end face grinding device for pesticide spraying tractor according to claim 1, characterized in that: The polishing mechanism (3) has two, and the power mechanism (4) drives the polishing mechanism (3) to be close to and clamp the support shaft.