Rear suspension mechanism of tractor

Abstract

The utility model discloses a rear suspension mechanism of a tractor, and relates to the technical field of suspension mechanisms. The rear suspension mechanism of the tractor comprises two connecting columns, a front suspension assembly and a rear suspension assembly, the suspension connecting assembly is used for being connected with a tractor; and the adjusting assembly is used for adjusting the distance between the two connecting columns after the two suspension connecting assemblies are connected with the tractor. Through the arrangement of the adjusting assembly, after the suspension mechanism is connected with a tractor through the connecting frame, the suspension length can be adjusted, the suspension mechanism can adapt to different installation environments conveniently, meanwhile, through the arrangement of the installation assembly, the connecting column and the connecting frame can be rapidly connected and fixed, and the installation efficiency is improved. And after the thread head is screwed into the internal thread connecting cylinder, a gap between the sealing ring and the internal thread connecting cylinder can be effectively sealed, so that the situation that the thread head is rusted is avoided, and later disassembly is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a suspension mechanism technical field, concretely is a tractor rear suspension mechanism. BACKGROUND

[0002] Tractor is a common agricultural vehicle, used for the handling of goods, and the rear three-point suspension device of tractor is an essential part in tractor, the existing patent a rear three-point suspension device for tractor, patent publication number CN213322973U, it includes suspension device main part, the one side outer surface of suspension device main part is provided with antistatic connecting post, the antistatic connecting post includes adjusting block, antistatic layer, clamping block, sealing ring and inner column, the upper end outer surface of suspension device main part is provided with first threaded connecting post, the upper end outer surface of first threaded connecting post is provided with connecting plate, the upper end outer surface of connecting plate is provided with detachable fixed column, detachable fixed column includes second threaded connecting post, washer, connecting block and column body. The rear three-point suspension device for tractor of the utility model, through the antistatic connecting post of design, can make the antistatic effect of device better, through the detachable fixed column of design, can make the dismounting of device more convenient, thereby make the overhaul of device more convenient, better bring better use prospect.

[0003] For the related technology in the above, the inventor thinks that there are the following defects: the technical scheme of the above patent technology, in the actual use process, the length of the rear three-point suspension device of tractor is fixed, it cannot be adjusted according to actual situation, leading to poor practicality.

[0004] Therefore, we propose a tractor rear suspension mechanism to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a tractor rear suspension mechanism, which solves the problem that the length of the suspension mechanism cannot be adjusted according to actual conditions in the background art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a tractor rear suspension mechanism, comprising:

[0007] Connecting column, the number of connecting column is two;

[0008] Suspension connecting assembly, which is used for connecting tractor, the suspension connecting assembly includes connecting frame arranged at the end of two connecting columns respectively, and the inner wall of the connecting frame is fixedly provided with a connecting shaft;

[0009] The adjusting assembly is used for adjusting the distance between the two connecting columns after the two suspension connecting assemblies are connected with the tractor, and comprises a bidirectional threaded column arranged between the two connecting columns, and the end of each of the two connecting columns is provided with a column-shaped threaded groove in threaded connection with the outer surface of the bidirectional threaded column, and the middle outer surface of the bidirectional threaded column is fixedly provided with an operation sleeve for rotating the bidirectional threaded column.

[0010] The mounting assembly is used for connecting the connecting column with the connecting frame.

[0011] Preferably, the outer surface of the operation sleeve is circumferentially and fixedly provided with three mounting columns, and the end of the three mounting columns away from the operation sleeve is fixedly provided with an operation ring.

[0012] Preferably, the end of the connecting column away from the connecting frame is fixedly provided with a corrugated expansion pipe, and the end of the corrugated expansion pipe away from the connecting column is rotatably connected with the end of the operation sleeve.

[0013] Preferably, the two ends of the operation sleeve are rotatably provided with rotating rings through bearings, and the end of the corrugated expansion pipe away from the connecting column is fixedly connected with the surface of the rotating ring.

[0014] Preferably, the mounting assembly comprises a threaded head fixedly arranged at the end of the connecting column, and an internally-threaded connecting cylinder fixedly arranged on the surface of the connecting frame, and the outer surface of the threaded head is in threaded connection with the inner wall of the internally-threaded connecting cylinder.

[0015] Preferably, the outer surface of the threaded head is fixedly provided with a sealing ring, and the surface of the sealing ring is fixedly provided with a sealing ring corresponding to the end of the internally-threaded connecting cylinder.

[0016] Preferably, the inner wall of the internally-threaded connecting cylinder is fixedly provided with an adapter column, and the end of the threaded head is provided with a plug-in groove matched with the adapter column, the end outer surface of the adapter column is provided with a first threaded hole, and the outer surface of the threaded head is provided with a second threaded hole penetrating the plug-in groove, and the first threaded hole and the second threaded hole are in threaded connection with a locking bolt.

[0017] Beneficial effects

[0018] The utility model provides a tractor rear suspension mechanism. Compared with prior art, the utility model has the following beneficial effects:

[0019] The tractor rear suspension mechanism, through the setting adjusting assembly, can realize the adjustment of the suspension length after the connection with the tractor through the connecting frame, which is convenient for adapting to different installation environments, and through the setting installation assembly, the quick connection and fixation of the connecting column and the connecting frame can be realized, and when the threaded head screws into the inner threaded connection cylinder, the sealing ring on the outer surface of the threaded head can abut against the end of the inner threaded connection cylinder, and under the action of the sealing ring, the gap between the sealing ring and the inner threaded connection cylinder is effectively sealed, thereby avoiding the rusting of the threaded head, which is convenient for the later disassembly work. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a sectional structure schematic diagram of the utility model;

[0022] Figure 3 It is a sectional structure schematic diagram of the utility model Figure 2 It is an enlarged structure schematic diagram of A in the utility model;

[0023] Figure 4 It is an enlarged structure schematic diagram of B in the utility model Figure 2

[0024] In the drawing:

[0025] 100, connecting column;

[0026] 200, suspension connecting assembly; 201, connecting frame; 202, connecting shaft;

[0027] 300, adjusting assembly; 301, two-way threaded column; 302, cylindrical threaded groove; 303, operation sleeve; 304, mounting column; 305, operation ring; 306, corrugated expansion pipe; 307, rotating ring;

[0028] 400, installation assembly; 401, threaded head; 402, inner threaded connection cylinder; 403, sealing ring; 404, sealing ring; 405, connecting column; 406, plug-in groove; 407, first threaded hole; 408, second threaded hole; 409, locking bolt. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Embodiment one​

[0031] Please refer to Figures 1-4 The utility model provides a technical scheme: a tractor rear suspension mechanism, comprising:

[0032] Connecting column 100, the number of connecting column 100 is two;

[0033] Suspension connecting assembly 200 is used to connect tractor, and suspension connecting assembly 200 includes the connecting frame 201 of two connecting column 100 end respectively, and the inner wall of connecting frame 201 is fixed with connecting shaft 202;

[0034] Adjusting assembly 300 is used to adjust the spacing of two connecting column 100 after two suspension connecting assembly 200 is connected with tractor, and adjusting assembly 300 includes the two-way threaded column 301 of setting in two connecting column 100 middle, and the end of two connecting column 100 is all set with the cylindrical thread groove 302 of being connected with the outer surface screw thread of two-way threaded column 301, and the middle outer surface of two-way threaded column 301 is fixed with the operating sleeve 303 for rotating two-way threaded column 301;

[0035] Please refer to Figure 1 The outer surface of operating sleeve 303 is fixed with three mounting columns 304 in circumferential array, and the end of three mounting columns 304 away from operating sleeve 303 is fixed with operating ring 305.

[0036] By setting operating ring 305, personnel can quickly rotate operating sleeve 303.

[0037] Please refer to Figure 2 And Figure 3 Connecting column 100 is fixed with corrugated expansion tube 306 away from connecting frame 201, and the end of corrugated expansion tube 306 away from connecting column 100 is rotationally connected with the end of operating sleeve 303.

[0038] By setting corrugated expansion tube 306, the effective protection of the outer surface of two-way threaded column 301 can be realized.

[0039] Please refer to Figure 3 Both ends of operating sleeve 303 are rotationally provided with rotating ring 307 through bearing, and the end of corrugated expansion tube 306 away from connecting column 100 is fixedly connected with the surface of rotating ring 307.

[0040] By setting rotating ring 307, corrugated expansion tube 306 will not rotate with operating sleeve 303 in the process of operating sleeve 303 rotation.

[0041] In the embodiment, the suspension mechanism can be adjusted according to actual conditions after the connection with the tractor through the connecting frame 201, so as to adapt to different installation environments.

[0042] Embodiment Two

[0043] On the basis of embodiment one, and different from embodiment one,

[0044] The tractor rear suspension mechanism further comprises:

[0045] The mounting assembly 400 is used for connecting the connecting column 100 and the connecting frame 201.

[0046] Referring to Figure 2 and Figure 4 , the mounting assembly 400 comprises a threaded head 401 fixed on the end of the connecting column 100 and an internally threaded connecting cylinder 402 fixed on the surface of the connecting frame 201, and the outer surface of the threaded head 401 is threadedly connected with the inner wall of the internally threaded connecting cylinder 402.

[0047] Referring to Figure 4 , the outer surface of the threaded head 401 is fixed with a sealing ring 403, and the surface of the sealing ring 403 is fixed with a sealing ring 404 corresponding to the end of the internally threaded connecting cylinder 402.

[0048] Referring to Figure 4 , the inner wall of the internally threaded connecting cylinder 402 is fixed with a connecting column 405, and the end of the threaded head 401 is provided with a plug-in slot 406 matched with the connecting column 405, the end outer surface of the connecting column 405 is provided with a first threaded hole 407, and the outer surface of the threaded head 401 is provided with a second threaded hole 408 penetrating the plug-in slot 406, and the first threaded hole 407 and the second threaded hole 408 are threadedly connected with a locking bolt 409.

[0049] In the embodiment, the mounting assembly 400 is arranged to realize the quick connection and fixation of the connecting column 100 and the connecting frame 201 under the action of the threaded head 401 and the internally threaded connecting cylinder 402, and the gap between the sealing ring 403 and the internally threaded connecting cylinder 402 can be effectively sealed, so as to avoid the rust of the threaded head 401 and facilitate the disassembly work in the later period.

[0050] The working principle is that after the suspension mechanism is connected with the tractor through the connecting frame 201, the actual situation can be adjusted by rotating the operating ring 305 to drive the operating sleeve 303 to rotate, the rotation of the operating sleeve 303 drives the bidirectional threaded column 301 to rotate, and the rotation of the bidirectional threaded column 301 drives the two connecting columns 100 to move to the middle or to both sides at the same time under the action of the two cylindrical threaded grooves 302, so that the length of the suspension is adjusted, different installation environments are adapted, and through the setting of the mounting assembly 400, the quick connection and fixation of the connecting column 100 and the connecting frame 201 are realized under the action of the threaded head 401 and the internally threaded connecting cylinder 402, and when the threaded head 401 is screwed into the internally threaded connecting cylinder 402, the sealing ring 403 on the outer surface of the threaded head 401 can be tightly abutted with the end of the internally threaded connecting cylinder 402, and the gap between the sealing ring 403 and the internally threaded connecting cylinder 402 is effectively sealed under the action of the sealing ring 404, so that the rusting of the threaded head 401 is avoided, and the disassembly work in the later period is facilitated.

[0051] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A tractor rear suspension mechanism, characterised in that, The utility model relates to a kind of tractor suspension device, including: Connecting column (100), the quantity of connecting column (100) is two; Suspension connection component (200) is used to connect tractor, and suspension connection component (200) includes the connecting frame (201) respectively arranged at the end of two connecting columns (100), and the inner wall of connecting frame (201) is fixed with connecting shaft (202); Adjusting component (300) is used to adjust the spacing of two connecting columns (100) after two suspension connection components (200) are connected with tractor, and adjusting component (300) includes the two-way threaded column (301) arranged in the middle of two connecting columns (100), and the end of two connecting columns (100) is provided with column screw groove (302) with the outer surface of two-way threaded column (301) screw connection, and the middle outer surface of two-way threaded column (301) is fixed with operating sleeve (303) for rotating two-way threaded column (301); Mounting assembly (400) is used to connect connecting column (100) with connecting frame (201).

2. A tractor rear suspension according to claim 1, characterized in that: The outer surface of operating sleeve (303) is fixed with three mounting columns (304) in circumferential array, and the end of three mounting columns (304) away from operating sleeve (303) is fixed with operating ring (305).

3. A tractor rear suspension mechanism according to claim 1, characterised in that: The end of connecting column (100) away from connecting frame (201) is fixed with corrugated expansion tube (306), and the end of corrugated expansion tube (306) away from connecting column (100) is rotatably connected with the end of operating sleeve (303).

4. A tractor rear suspension according to claim 3, characterised in that: The end of operating sleeve (303) is rotatably provided with rotating ring (307) by bearing, and the end of corrugated expansion tube (306) away from connecting column (100) is fixedly connected with the surface of rotating ring (307).

5. A tractor rear suspension mechanism according to claim 1, characterized in that: The mounting assembly (400) includes the threaded head (401) fixedly arranged at the end of connecting column (100), and the inner threaded connection cylinder (402) fixedly arranged on the surface of connecting frame (201), and the outer surface of threaded head (401) is screw-connected with the inner wall of inner threaded connection cylinder (402).

6. A tractor rear suspension according to claim 5, characterised in that: The outer surface of threaded head (401) is fixedly provided with sealing ring (403), and the surface of sealing ring (403) is fixedly provided with sealing ring (404) corresponding to the end of inner threaded connection cylinder (402).

7. A tractor rear suspension according to claim 6, characterised in that: The inner wall of inner threaded connection cylinder (402) is fixedly provided with engaging column (405), and the end of threaded head (401) is provided with insertion slot (406) matched with engaging column (405), the end outer surface of engaging column (405) is provided with first threaded hole (407), and the outer surface of threaded head (401) is provided with second threaded hole (408) penetrating insertion slot (406), and the inner wall of first threaded hole (407) and second threaded hole (408) is screw-connected with locking bolt (409).

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