Assembly tool for front suspension of pesticide spraying machine

Abstract

The utility model relates to the technical field of agricultural tool assembly, in particular to a pesticide spraying machine front suspension assembly tool which comprises a tensioning rod, a positioning assembly, a stress piece and a locking piece. In the axial direction of the tensioning rod, the positioning assembly and the locking piece are located at the two ends of the tensioning rod respectively, and the tensioning rod is sleeved with the locking piece which can be close to or away from the positioning assembly; the tensioning rod is sleeved with the stress piece, and the stress piece is located at the end close to the locking piece. The assembly tool for the front suspension of the pesticide spraying machine is easy and convenient to operate, convenient to use, time-saving and labor-saving in the assembly process and high in assembly quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural tool assembly technical field, especially relate to a pesticide spraying machine front suspension assembly tool. BACKGROUND

[0002] Pesticide spraying machine is a kind of agricultural implement, which sprays liquid on the surface of object by mixing water and pesticide solution under pressure, and is a kind of agricultural pesticide application machinery. Figure 1 Taking the right front suspension as an example, after the assembly of other components is completed, the right upper suspension assembly 10 needs to be pressed down to compress the coil spring 15, and the upper end of the shock absorber assembly 14 needs to be inserted into the hole of the right upper suspension assembly 10, so as to realize the assembly of the right front suspension.

[0003] However, in the actual assembly process, the right front suspension has large weight and volume, and its weight can reach 270 kg, so it is difficult to realize effective assembly by manual operation, and it is also impossible to fix the right lower suspension frame assembly 13 by tool and then press the hole of the right upper suspension assembly 10 down to complete the assembly work.

[0004] The existing front suspension assembly process usually directly uses a forklift to assist in assembly, which is difficult to ensure the assembly quality and is time-consuming and laborious to operate. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems in the prior art, the utility model provides a pesticide spraying machine front suspension assembly tool.

[0006] The technical scheme for solving the above technical problems of the utility model is as follows:

[0007] The utility model provides a pesticide spraying machine front suspension assembly tool, which comprises a tension rod, a positioning assembly, a force receiving member and a locking member.

[0008] The pesticide spraying machine front suspension assembly tool provided by the utility model positions the pesticide spraying machine front suspension by the positioning assembly, realizes the tensioning function by the cooperation of the tension rod and the locking member, and the locking member acts on the force receiving member while continuously approaching the positioning assembly, so that the force receiving member drives the right upper suspension assembly and the right steering arm assembly to rotate around the rotating shaft until the coil spring is continuously compressed, the upper end of the shock absorber assembly is inserted into the hole of the right upper suspension assembly, and the assembly is completed, so that the assembly quality is high and the assembly process is time-saving and labor-saving.

[0009] On the basis of the above technical solutions, the utility model further can make following technical improvement:

[0010] Further, the positioning assembly comprises a positioning plate and a positioning boss, the positioning plate is connected with the tension rod through a pin shaft, and the positioning boss is arranged at one end of the positioning plate away from the tension rod.

[0011] Further, a through hole one is arranged on the tension rod, the through hole one is used for the pin shaft to pass through, and the inner diameter of the through hole one is greater than the outer diameter of the pin shaft.

[0012] Further, the inner diameter of the through hole one is 2mm greater than the outer diameter of the pin shaft.

[0013] The beneficial effect of the above further technical scheme is that even if the pin shaft and the rotation shaft of the right front suspension assembly are not parallel, the rotation of the tension rod will not cause interference between the through hole one and the pin shaft during the rotation of the right upper suspension assembly and the right steering arm assembly around the rotation shaft driven by the force receiving member.

[0014] Further, the positioning assembly further comprises a conformal positioning surface, and the conformal positioning surface is arranged at one end of the positioning boss away from the positioning plate.

[0015] The beneficial effect of the above further technical scheme is that the conformal positioning surface is matched with the outer circumferential surface of the front suspension, so that the rapid and accurate positioning of the tooling is facilitated during assembly, accurate force is ensured during subsequent force application, and the upper end of the shock absorber assembly and the hole of the right upper suspension assembly are prevented from being deviated to affect the assembly quality.

[0016] Further, the force receiving member is provided with a through hole two, and the through hole two is a tapered hole.

[0017] The beneficial effect of the above further technical scheme is that even if the pin shaft and the rotation shaft of the right front suspension assembly are not parallel, the rotation of the tension rod will not cause interference between the tension rod and the through hole two of the force receiving member during the rotation of the right upper suspension assembly and the right steering arm assembly around the rotation shaft driven by the force receiving member.

[0018] Further, the force receiving member comprises a first end portion and a second end portion, the first end portion is arranged close to the locking member, the second end portion is arranged away from the locking member, and the outer diameter of the second end portion is smaller than the inner diameter of the first end portion.

[0019] The beneficial effect of the above further technical scheme is that the second end portion of the force receiving member can be inserted into the inner hole of the front suspension of the pesticide spraying machine, so that the torque transmission is facilitated.

[0020] Further, the end face of the first end portion is a plane.

[0021] The beneficial effect of the further technical scheme is that the locking piece can transmit the torque to the force receiving piece, thereby driving the right upper suspension arm assembly and the right steering arm assembly to rotate around the rotating shaft, achieving the insertion of the upper end of the shock absorber assembly into the hole of the right upper suspension arm assembly, and completing the assembly of the front suspension of the pesticide spraying machine.

[0022] Further, the tensioning rod is a tensioning screw.

[0023] Further, the locking piece comprises a locking nut and a rotating handle, and the rotating handle is arranged on the outer sidewall of the locking nut.

[0024] The beneficial effect of the further technical scheme is that the tensioning function is realized through the cooperation of the tensioning screw and the locking nut, and the effective assembly of the front suspension is realized.

[0025] Compared with the prior art, the utility model has the following technical effects:

[0026] The pesticide spraying machine front suspension assembly tool provided by the utility model realizes the rapid and accurate positioning of the tool through the conformal positioning surface and the positioning boss, ensures accurate force receiving in the subsequent force applying process, avoids the deviation of the upper end of the shock absorber assembly from the hole of the right upper suspension arm assembly and affects the assembly quality, realizes the tensioning function through the threaded pair, avoids the interference caused by the non-parallelism of the pin shaft for tool rotation and the rotating shaft for front suspension through the measures that the outer diameter of the through hole of the tensioning screw is 2mm larger than the outer diameter of the pin shaft and the force receiving piece adopts a tapered hole, the tool is simple to operate and convenient to use, the assembly process is time-saving and labor-saving, and the assembly quality is high. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A structure schematic view of a right front suspension of a pesticide spraying machine is shown.

[0028] Figure 2 A structure schematic view of a pesticide spraying machine front suspension assembly tool according to an embodiment of the utility model is shown.

[0029] Figure 3 A structure schematic view of a force receiving piece is shown.

[0030] Figure 4 An assembly schematic view of a pesticide spraying machine front suspension assembly tool according to an embodiment of the utility model is shown.

[0031] REFERENCE SIGNS:

[0032] 1, tensioning screw; 2, positioning plate; 3, positioning boss; 4, conformal positioning surface; 5, locking nut; 6, force receiving member; 7, pin shaft; 8, through hole two; 9, rotating handle; 10, right upper suspension arm assembly; 11, right steering arm assembly; 12, rotating shaft; 13, right lower suspension arm frame assembly; 14, shock absorber assembly; 15, spiral spring; 16, spring guide bracket welding; 17, shock absorber mounting bracket; 18, positioning square hole; 19, inner hole. DETAILED DESCRIPTION

[0033] The specific embodiments will be described in detail below, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Although the description of the present application will be introduced in combination with the preferred embodiments, this does not mean that the features of the present application are limited to the embodiments. On the contrary, the purpose of introducing the present application in combination with the embodiments is to cover other options or modifications that can be extended based on the claims of the present application. In order to provide a deep understanding of the present application, many specific details will be included in the following description. The present application can also be implemented without using these details. In addition, in order to avoid confusion or obscure the focus of the present application, some specific details will be omitted in the description. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0034] Reference Figure 2 A front suspension assembly tool for a pesticide spraying machine, comprising a tensioning screw 1, a positioning assembly, a force receiving member 6 and a locking member, along the axial direction of the tensioning screw 1, the positioning assembly and the locking member are respectively located at both ends of the tensioning screw 1, the locking member comprises a locking nut 5 and a rotating handle 9, the rotating handle 9 is arranged on the outer side wall of the locking nut 5, the locking nut 5 is sleeved on the tensioning screw 1 and is in threaded connection with the tensioning screw 1, the locking nut 5 can rotate on the tensioning screw 1 to approach or move away from the positioning assembly; the force receiving member 6 is sleeved on the tensioning screw 1, and the force receiving member 6 is located at one end close to the locking member, during the rotating process of the locking nut 5, the locking nut 5 contacts the force receiving member 6 and applies force to the force receiving member.

[0035] The positioning assembly comprises a positioning plate 2, a positioning boss 3 and a conformal positioning surface 4, the positioning plate 2 is connected with the tensioning screw 1 through a pin shaft 7, the positioning boss 3 is arranged at one end of the positioning plate 2 away from the tensioning screw 1, the conformal positioning surface 4 is arranged at one end of the positioning boss 3 away from the positioning plate 2, a through hole one is arranged on the tensioning screw 1, the pin shaft 7 passes through the through hole one, and the inner diameter of the through hole one is 2mm larger than the outer diameter of the pin shaft.

[0036] Reference Figure 3The force receiving piece 6 is provided with a through hole two 8 for sleeving the tensioning screw rod 1, the through hole two 8 is a taper hole, the force receiving piece 6 comprises a first end portion and a second end portion, the first end portion is arranged close to the locking piece, the second end portion is arranged away from the locking piece, the outer diameter of the second end portion is smaller than the inner diameter of the first end portion, and the end face of the first end portion is a plane; the inner diameter of the through hole two 8 close to the first end portion is smaller than the inner diameter close to the second end portion, when the tool works, the force receiving piece 6 presses the combined part of the right steering arm assembly 11 and the right upper suspension arm assembly 10 to rotate around the rotating shaft 12, in this process, the tensioning screw rod 1 is swing change relative to the through hole two 8, therefore, the through hole two 8 is arranged as a taper hole, and the inner diameter of the through hole two 8 close to the first end portion is smaller than the inner diameter close to the second end portion, so as to avoid interference between the tensioning screw rod 1 and the inner wall of the through hole two 8.

[0037] Referring to Figure 4 When the tool is used to assemble the front suspension of the pesticide spraying machine, the locking nut 5 and the force receiving piece 6 are first removed, the tensioning screw rod 1 is inserted into the positioning square hole 18 of the right lower suspension arm frame assembly 13 from outside to inside and continuously extends upwards until the positioning boss 3 is inserted into the positioning square hole 18, and the profile positioning surface 4 is supported on the outer peripheral surface of the positioning square hole 18 of the right lower suspension arm frame assembly 13, thereby achieving the positioning effect, at this time, the other end portion of the tensioning screw rod 1 passes through the inner hole 19 of the right upper suspension arm assembly 10 and the right steering arm assembly 11 and extends outwards, then the force receiving piece 6 is sleeved on the tensioning screw rod 1, the second end portion of the force receiving piece 6 is inserted into the inner hole 19, and the first end portion is pressed on the upper surface of the inner hole 19, and then the locking nut 5 is screwed on the tensioning screw rod 1; the rotating handle 9 is manually operated to continuously move the locking nut 5 close to the force receiving piece 6 until the first end portion of the force receiving piece 6 is contacted, the locking nut 5 is continuously operated to press the force receiving piece 6 and drive the right upper suspension arm assembly 10 and the right steering arm assembly 11 to rotate downwards around the rotating shaft 12, in this process, the right upper suspension arm assembly 10 compresses the spiral spring 15, and the upper end of the shock absorber assembly 14 is inserted into the hole of the right upper suspension arm assembly 10, thereby completing the assembly; the locking nut 5 and the force receiving piece 6 are removed, and the tensioning screw rod is pulled out from the inner hole 19 and the positioning square hole 18.

[0038] The tool for assembling the front suspension of the pesticide spraying machine is quickly and accurately positioned through the profile positioning surface 4 and the positioning boss 3, accurate force is ensured in the subsequent force applying process, the upper end of the shock absorber assembly 14 and the hole of the right upper suspension arm assembly 10 are prevented from being deviated to affect the assembly quality, the tensioning function is achieved through the threaded pair, the interference caused by the fact that the pin shaft 7 for rotating the tool and the rotating shaft 12 for rotating the front suspension are not parallel is avoided through the measures that the through hole one of the tensioning screw rod 1 is 2mm larger than the outer diameter of the pin shaft 7 and the force receiving piece 6 adopts the taper hole, the tool is simple and convenient to operate and use, the assembly process is time-saving and labor-saving, and the assembly quality is high.

[0039] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spraying machine front suspension assembly tooling apparatus, characterized by, The tensioning rod, the positioning assembly, the force receiving member and the locking member are included; along the axial direction of the tensioning rod, the positioning assembly and the locking member are respectively located at two ends of the tensioning rod, the locking member is sleeved on the tensioning rod and can be close to or away from the positioning assembly; the force receiving member is sleeved on the tensioning rod, and the force receiving member is located at one end close to the locking member.

2. The front suspension assembly tooling fixture of claim 1, wherein, The positioning assembly includes a positioning plate and a positioning boss, the positioning plate is connected with the tensioning rod through a pin shaft, and the positioning boss is arranged at one end of the positioning plate away from the tensioning rod.

3. The front suspension assembly tooling fixture of claim 2, wherein: A through hole one is arranged on the tensioning rod, the through hole one is used for the pin shaft to pass through, and the inner diameter of the through hole one is greater than the outer diameter of the pin shaft.

4. The front suspension assembly tooling fixture of claim 3, wherein, The inner diameter of the through hole one is 2mm greater than the outer diameter of the pin shaft.

5. The front suspension assembly tooling fixture of claim 2, wherein, The positioning assembly further includes a conformal positioning surface, and the conformal positioning surface is arranged at one end of the positioning boss away from the positioning plate.

6. The front suspension assembly tooling fixture for a pesticide spraying machine according to any one of claims 1 to 5, wherein, The force receiving member is provided with a through hole two, and the through hole two is a taper hole.

7. The front suspension assembly tooling fixture of claim 6, wherein, The force receiving member includes a first end portion and a second end portion, the first end portion is arranged close to the locking member, the second end portion is arranged away from the locking member, and the outer diameter of the second end portion is smaller than the inner diameter of the first end portion.

8. The front suspension assembly tooling fixture of claim 7, wherein, The end face of the first end portion is a plane.

9. The front suspension assembly tooling fixture of any one of claims 1 to 5, wherein, The tensioning rod is a tensioning screw.

10. The front suspension assembly tooling fixture of claim 9, wherein, The locking member includes a locking nut and a rotating handle, and the rotating handle is arranged on the outer side wall of the locking nut.

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