Wheat harvester frame front axle straight beam convenient to install and maintain

Abstract

The utility model belongs to the technical field of wheat harvester frame front axle straight beams, and particularly relates to a wheat harvester frame front axle straight beam convenient to mount and maintain, which comprises a connecting seat, straight beam bodies are sleeved at two ends of the connecting seat, one end of each straight beam body is connected with a connecting piece, and a mounting hole is formed in the surface of each connecting piece. The adjusting knob is rotated clockwise, then the two-way screw rod is driven to rotate by means of the meshing relation between the first bevel gear and the second bevel gear, and the two-way screw rod is driven to rotate by means of the meshing relation between the first bevel gear and the second bevel gear. The two threaded connection blocks in threaded connection with the outer walls of the straight beam bodies can drive the guide sliding blocks to move oppositely along the guide sliding grooves, along with movement of the guide sliding blocks, one ends of the threaded connection blocks can drive the two straight beam bodies to move oppositely together, and therefore the straight beam can be conveniently placed at the installation position by shortening the length of the straight beam of the front axle of the frame during installation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wheat harvester frame front axle straight beam, and specifically relates to a wheat harvester frame front axle straight beam convenient to install and maintain. BACKGROUND

[0002] The frame front axle straight beam is an important component of the wheat harvester, mainly used for supporting the front axle and connecting the frame, ensuring the stability and load-carrying capacity of the vehicle during driving and operation, and it usually needs to have high strength and rigidity to cope with complex terrain and working environment.

[0003] At present, the existing wheat harvester frame front axle straight beam is usually integrally formed, so it is difficult to connect or disassemble the frame front axle straight beam and the wheat harvester during installation or maintenance, and if the disassembly and installation position is narrow, the staff needs to use tools to knock the frame front axle to move it, thereby reducing the convenience of installation and maintenance. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a wheat harvester frame front axle straight beam convenient to install and maintain, aiming at solving the problem that the existing wheat harvester frame front axle straight beam is usually integrally formed, so it is difficult to connect or disassemble the frame front axle straight beam and the wheat harvester during installation or maintenance, and if the disassembly and installation position is narrow, the staff needs to use tools to knock the frame front axle to move it, thereby reducing the convenience of installation and maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wheat harvester frame front axle straight beam convenient to install and maintain, comprising a connecting seat, a straight beam body is sleeved at both ends of the connecting seat, a connecting piece is connected to one end of the straight beam body, and a mounting hole is formed in the surface of the connecting piece.

[0006] A bidirectional screw rod is arranged in the connecting seat, two threaded connecting blocks are threadedly connected to the outer wall of the bidirectional screw rod, a guide sliding block is connected to the outer wall of the two threaded connecting blocks, a guide sliding groove is formed in the outer wall of the connecting seat, an adjusting knob penetrates through the outer wall of the connecting seat, a first bevel gear is connected to one end of the adjusting knob, and a second bevel gear is connected to the outer wall of the bidirectional screw rod.

[0007] As the wheat harvester frame front axle straight beam convenient to install and maintain of the utility model is preferred, one end of the guide sliding block is connected to the straight beam body through the guide sliding groove.

[0008] As the wheat harvester frame front axle straight beam convenient to install and maintain of the utility model is preferred, the end of the bidirectional screw rod is rotatably connected to the connecting seat through a bearing.

[0009] As the utility model discloses a convenient to install and maintain straight beam of front axle of wheat harvester frame, the straight beam body can form the sliding connection structure with the connecting seat through the guide sliding block and the guide sliding slot.

[0010] As the utility model discloses a convenient to install and maintain straight beam of front axle of wheat harvester frame, the first bevel gear is engaged with the second bevel gear.

[0011] As the utility model discloses a convenient to install and maintain straight beam of front axle of wheat harvester frame, the recess is internally bonded with the rubber pad.

[0012] As the utility model discloses a convenient to install and maintain straight beam of front axle of wheat harvester frame, the recess is internally bonded with the rubber pad.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] By clockwise rotating the adjusting knob, then utilizing the engagement between the first bevel gear and the second bevel gear to drive the bidirectional screw rod to rotate, so that the two threaded connecting blocks of the outer wall screw thread connection can drive the guide sliding block to move along the guide sliding slot, with the guide sliding block moving, one end will drive the two straight beam bodies to move together, so that when installing, the straight beam of front axle of the frame can be conveniently placed in the installation position by shortening the length.

[0015] Through the setting of the rubber pad, the abrasion between the connecting piece and the installation contact surface can be reduced, and through the setting of the arc-shaped groove, the worn rubber pad can be conveniently taken out from the recess, so as to facilitate subsequent replacement. DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view structure schematic diagram of the utility model;

[0019] Figure 3 It is the disassembly structure schematic diagram of the utility model;

[0020] Figure 4 It is the A enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is the B enlarged structure schematic diagram of the utility model.

[0022] In the figure: 1, connecting seat; 2, straight beam body; 3, connecting piece; 4, mounting hole; 5, bidirectional screw rod; 6, threaded connecting block; 7, guide sliding block; 8, guide sliding groove; 9, adjusting knob; 10, first bevel gear; 11, second bevel gear; 12, groove; 13, rubber pad; 14, arc-shaped slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0024] Please refer to Figures 1-5 The utility model provides the following technical scheme: the straight beam of the front axle of the frame of the wheat harvester convenient to install and maintain, connecting seat 1 is provided with straight beam body 2 at both ends of connecting seat 1, and one end of straight beam body 2 is connected with connecting piece 3, and the surface of connecting piece 3 is provided with mounting hole 4;

[0025] The inside of connecting seat 1 is provided with bidirectional screw rod 5, the outer wall of bidirectional screw rod 5 is connected with two threaded connecting blocks 6, the outer wall of two threaded connecting blocks 6 is connected with guide sliding block 7, the outer wall of connecting seat 1 is provided with guide sliding groove 8, and the outer wall of connecting seat 1 penetrates adjusting knob 9, one end of adjusting knob 9 is connected with first bevel gear 10, and the outer wall of bidirectional screw rod 5 is connected with second bevel gear 11;

[0026] It is worth noting that the straight beam of the front axle of the frame of the wheat harvester is used to support the front axle and connect the frame, to ensure that the vehicle can normally work when driving.

[0027] Preferably: one end of guide sliding block 7 is connected with straight beam body 2 through guide sliding groove 8, the end of bidirectional screw rod 5 is connected with connecting seat 1 through a bearing to form a rotating connection structure, straight beam body 2 can form a sliding connection structure with connecting seat 1 through guide sliding block 7 and guide sliding groove 8, and the first bevel gear 10 is engaged with the second bevel gear 11.

[0028] When used, adjusting knob 9 is rotated clockwise, then the engagement between first bevel gear 10 and second bevel gear 11 drives bidirectional screw rod 5 to rotate, so that the two threaded connecting blocks 6 connected with the outer wall of bidirectional screw rod 5 can drive guide sliding block 7 to move towards each other along guide sliding groove 8, and with the movement of guide sliding block 7, the two straight beam bodies 2 are driven to move towards each other, so that when installing, the straight beam of the front axle of the frame can be conveniently placed in the installation position by shortening the length of the straight beam of the front axle of the frame.

[0029] When the length of the straight beam of the front axle of the vehicle frame needs to be restored, the adjusting knob 9 is counterclockwise rotated, then the meshing relationship between the first bevel gear 10 and the second bevel gear 11 is utilized to drive the bidirectional screw rod 5 to rotate, so that the two threaded connection blocks 6 connected by the outer wall threads of the bidirectional screw rod 5 can drive the guide sliding blocks 7 to move oppositely along the guide sliding grooves 8, and with the movement of the guide sliding blocks 7, the two straight beam bodies 2 are driven to move oppositely, so that the connecting pieces 3 at the ends of the two straight beam bodies 2 are in contact with the mounting position of the harvester, and then the mounting and fixing can be completed through bolts.

[0030] Preferably, the inner side of the connecting piece 3 is provided with a groove 12, the inner side of the groove 12 is provided with an arc-shaped groove 14, and the inner side of the groove 12 is bonded with a rubber pad 13.

[0031] In specific use, the setting of the rubber pad 13 can reduce the abrasion between the connecting piece 3 and the mounting contact surface, and the setting of the arc-shaped groove 14 can facilitate the workers to take out the worn rubber pad 13 from the groove 12 for subsequent replacement.

[0032] Working principle: firstly, during installation, the adjusting knob 9 is clockwise rotated, then the meshing relationship between the first bevel gear 10 and the second bevel gear 11 is utilized to drive the bidirectional screw rod 5 to rotate, so that the two threaded connection blocks 6 connected by the outer wall threads of the bidirectional screw rod 5 can drive the guide sliding blocks 7 to move oppositely along the guide sliding grooves 8, and with the movement of the guide sliding blocks 7, the two straight beam bodies 2 are driven to move oppositely, so that the length of the straight beam of the front axle of the vehicle frame can be conveniently placed in the installation position by shortening the length of the straight beam during installation, when the length of the straight beam needs to be restored, the adjusting knob 9 is counterclockwise rotated, then the meshing relationship between the first bevel gear 10 and the second bevel gear 11 is utilized to drive the bidirectional screw rod 5 to rotate, so that the two threaded connection blocks 6 connected by the outer wall threads of the bidirectional screw rod 5 can drive the guide sliding blocks 7 to move oppositely along the guide sliding grooves 8, and with the movement of the guide sliding blocks 7, the two straight beam bodies 2 are driven to move oppositely, so that the connecting pieces 3 at the ends of the two straight beam bodies 2 are in contact with the mounting position of the harvester, and then the mounting and fixing can be completed through bolts, and the setting of the rubber pad 13 can reduce the abrasion between the connecting piece 3 and the mounting contact surface, and the setting of the arc-shaped groove 14 can facilitate the workers to take out the worn rubber pad 13 from the groove 12 for subsequent replacement.

[0033] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A front axle straight beam of a wheat harvester frame for easy installation and maintenance, comprising a connecting seat (1), characterized in that: The straight beam body (2) is sleeved with the connecting seat (1) at both ends, one end of the straight beam body (2) is connected with the connecting piece (3), and the surface of the connecting piece (3) is provided with the mounting hole (4); The inside of the connecting seat (1) is provided with the bidirectional screw rod (5), the outer wall of the bidirectional screw rod (5) is threadedly connected with two threaded connecting blocks (6), the outer walls of the two threaded connecting blocks (6) are connected with the guide sliding block (7), the outer wall of the connecting seat (1) is provided with the guide sliding groove (8), the outer wall of the connecting seat (1) penetrates through the adjusting knob (9), one end of the adjusting knob (9) is connected with the first bevel gear (10), and the outer wall of the bidirectional screw rod (5) is connected with the second bevel gear (11).

2. The straight beam front axle for a wheat harvester chassis for ease of serviceability of claim 1, wherein: One end of the guide sliding block (7) is connected with the straight beam body (2) through the guide sliding groove (8).

3. The straight beam front axle for a wheat harvester frame that facilitates serviceability of claim 1, wherein: The end of the bidirectional screw rod (5) is rotatably connected with the connecting seat (1) through a bearing.

4. The straight beam front axle for a wheat harvester chassis for ease of serviceability of claim 2, wherein: The straight beam body (2) is slidably connected with the connecting seat (1) through the guide sliding block (7) and the guide sliding groove (8).

5. The straight beam front axle for a wheat harvester frame that facilitates serviceability of claim 1, wherein: The first bevel gear (10) is engaged with the second bevel gear (11).

6. The straight beam front axle for a wheat harvester chassis for ease of serviceability of claim 1, wherein: The inside of the connecting piece (3) is provided with the recess (12), and the inside of the recess (12) is bonded with the rubber pad (13).

7. The straight beam front axle for a wheat harvester chassis that facilitates serviceability according to claim 6, wherein: The inside of the recess (12) is provided with the arc-shaped groove (14).

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