Intermediate box body connecting piece for agricultural machine

Abstract

The utility model relates to the technical field of agricultural machinery accessories, and discloses an agricultural machinery middle box body connecting piece which comprises a shell, the inner wall of the shell is connected with a connecting pipe in a sliding mode, the outer wall of the connecting pipe is fixedly connected with a frame, the outer wall of the frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a worm, and the output end of the worm is fixedly connected with a second motor. The outer wall of the worm is connected with a worm gear in a meshed mode, a connecting column is fixedly connected to the interior of the worm gear, the two ends of the connecting column are rotationally connected to the inner wall of the frame, and a gear is fixedly connected to the outer wall of the connecting column. According to the clamping device, the first motor is started to drive the worm gear to rotate through the worm, so that the gear is driven to rotate through the connecting column, then the fluted disc is driven to rotate through the arc-shaped teeth, and finally the clamping plate is driven to rotate through the fluted disc, so that the joint can be fixedly clamped, loads are uniformly distributed through clamping, and stress is dispersed; and the effect of enhancing the connection stability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery parts technical field especially relates to a middle box connecting piece for agricultural machinery. BACKGROUND

[0002] A middle box connecting piece for agricultural machinery generally refers to the device for connecting different components or assemblies in agricultural machinery, connecting components together and providing stable structural support. Usually, the connecting piece is only fixed by bolts and nuts, so a middle box connecting piece for agricultural machinery is proposed.

[0003] Most of the current connecting pieces only use bolt connection, which may cause high local stress in some cases, and is prone to loose or falling risk, affecting the connection stability. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a middle box connecting piece for agricultural machinery, aiming at improving the problem that only bolt connection leads to high local stress and is prone to falling risk.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A middle box connecting piece for agricultural machinery, comprising a shell, a connecting pipe is slidably connected to the inner wall of the shell, a frame is fixedly connected to the outer wall of the connecting pipe, a motor one is fixedly connected to the outer wall of the frame, a worm is fixedly connected to the output end of the motor one, a worm gear is meshingly connected to the outer wall of the worm, a connecting column is fixedly connected to the inside of the worm gear, both ends of the connecting column are rotatably connected to the inner wall of the frame, a gear is fixedly connected to the outer wall of the connecting column, an arc-shaped tooth is meshingly connected to the outer wall of the gear, a tooth disc is fixedly connected to the outer wall of the arc-shaped tooth, the outer wall of the arc-shaped tooth is meshingly connected to the outer wall of the arc-shaped tooth, a clamping plate is rotatably connected to the inside of the arc-shaped tooth, both ends of the clamping plate are rotatably connected to the inner wall of the frame, a support assembly is arranged on the inner wall of the shell, and the support assembly is used for supporting the angle adjustment.

[0007] Preferably, the support assembly comprises a support plate, the lower surface of the support plate is fixedly connected to the inner wall of the shell, a rotating column is fixedly connected to the inside of the support plate, a connecting plate is rotatably connected to the outer wall of the rotating column, a fixed column two is rotatably connected to the inner wall of the connecting plate, and both ends of the fixed column two are fixedly connected to a transmission plate.

[0008] Preferably, a support block one is fixedly connected to the inner wall of the shell.

[0009] Preferably, a motor two is fixedly connected to the outer wall of the support block one.

[0010] Preferably, the output end of the second motor is fixedly connected with a lead screw.

[0011] Preferably, the outer wall of the lead screw is rotationally connected with a second support block, and the outer wall of the lead screw is threadedly connected with a moving block.

[0012] Preferably, the outer wall of the transmission plate is rotationally connected to the outer wall of the moving block, and the inner portion of the transmission plate is rotationally connected with a first fixing column.

[0013] Preferably, the outer wall of the first fixing column is fixedly connected with a fixing block, and the upper surface of the fixing block is fixedly connected to the lower surface of the connecting pipe.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the first motor is started, which drives the worm gear to rotate through the worm, drives the gear to rotate through the connecting column, drives the toothed disc to rotate through the arc-shaped toothed belt, and finally drives the clamping plate to rotate through the toothed disc, so that the connection can be fixed and clamped, the load is evenly distributed through clamping, the stress is dispersed, and the stability of the connection is enhanced.

[0016] 2. In the utility model, the second motor is started, which drives the moving block to slide through the lead screw, drives the transmission plate to rotate, drives the fixing block to move up and down through the first fixing column, and drives the connecting pipe to move up and down on one side or as a whole through the control of the two second motors, so that the pitch angle and the height are adjusted, and the adaptability and flexibility of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of the intermediate box connecting piece for agricultural machinery is provided for the utility model;

[0018] Figure 2 A connecting pipe structure perspective view of the intermediate box connecting piece for agricultural machinery is provided for the utility model;

[0019] Figure 3 A frame internal structure perspective view of the intermediate box connecting piece for agricultural machinery is provided for the utility model;

[0020] Figure 4 A shell internal structure perspective view of the intermediate box connecting piece for agricultural machinery is provided for the utility model.

[0021] LEGEND:

[0022] 1, shell; 2, connecting pipe; 3, frame; 4, motor one; 5, worm; 6, worm gear; 7, connecting column; 8, gear; 9, arc tooth; 10, tooth disc; 11, clamping plate; 12, limiting column; 13, fixed block; 14, fixed column one; 15, support block one; 16, motor two; 17, screw; 18, support block two; 19, moving block; 20, transmission plate; 21, fixed column two; 22, connecting plate; 23, rotating column; 24, support plate. 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 specification 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 protection scope of the utility model.

[0024] Referring to Figures 1-3 , the utility model provides an embodiment: a kind of intermediate box connecting piece for agricultural machinery, including shell 1, the inner wall sliding connection of shell 1 is connected with connecting pipe 2, the outer wall of connecting pipe 2 is fixedly connected with frame 3, the outer wall of frame 3 is fixedly connected with motor one 4, the output of motor one 4 is fixedly connected with worm 5, the outer wall of worm 5 is engagedly connected with worm gear 6, the inside of worm gear 6 is fixedly connected with connecting column 7, both ends of connecting column 7 are rotatably connected in the inner wall of frame 3, the outer wall of connecting column 7 is fixedly connected with gear 8, the outer wall of gear 8 is engagedly connected with arc tooth 9, the outer wall of arc tooth 9 is fixedly connected with tooth disc 10, the outer wall of tooth disc 10 is rotatably connected in the inner wall of frame 3, the outer wall of arc tooth 9 is engagedly connected with clamping plate 11, the inside of clamping plate 11 is rotatably connected with limiting column 12, both ends of limiting column 12 are fixedly connected in the inner wall of frame 3, the inner wall of shell 1 is provided with support assembly, and support assembly is used to support the effect of angle adjustment;

[0025] Specifically, connecting pipe 2 can play the role of fixed support to frame 3, and frame 3 can play the role of fixed support to motor one 4, when motor one 4 is started, motor one 4 can drive worm 5 to rotate, and the rotation of worm 5 can drive worm gear 6 to rotate, and the rotation of worm gear 6 can also drive connecting column 7 to rotate in the inner wall of frame 3, and the rotation of connecting column 7 can also drive gear 8 to rotate, and the rotation of gear 8 can also drive arc tooth 9 to rotate, and the rotation of arc tooth 9 can also drive tooth disc 10 to rotate, and the rotation of tooth disc 10 can also drive other arc tooth 9 to rotate, when arc tooth 9 rotates, it can also drive clamping plate 11 to rotate, and under the limitation of limiting column 12, the rotation of clamping plate 11 can open an opening, and the connecting part can be passed through the opening, and then the opening is closed to clamp and fix the connecting part.

[0026] With reference to Figure 2 The support assembly comprises a support plate 24, a lower surface of the support plate 24 is fixedly connected to an inner wall of the shell 1, an inner portion of the support plate 24 is fixedly connected with a rotating column 23, an outer wall of the rotating column 23 is rotatably connected with a connecting plate 22, an inner wall of the connecting plate 22 is rotatably connected with a fixed column two 21, both ends of the fixed column two 21 are fixedly connected with a transmission plate 20;

[0027] Specifically, the shell 1 can play a role of fixed support to the support plate 24, and the support plate 24 can play a role of fixed support to the rotating column 23, and the rotating column 23 can play a role of support to the connecting plate 22, and the connecting plate 22 can play a role of support to the transmission plate 20 when the outer wall of the fixed column two 21 rotates, thereby ensuring the stability of the transmission plate 20 when rotating.

[0028] With reference to Figure 4 An inner wall of the shell 1 is fixedly connected with a support block one 15; an outer wall of the support block one 15 is fixedly connected with a motor two 16; an output end of the motor two 16 is fixedly connected with a lead screw 17; an outer wall of the lead screw 17 is rotatably connected with a support block two 18, and an outer wall of the lead screw 17 is threadedly connected with a moving block 19; an outer wall of the transmission plate 20 is rotatably connected to an outer wall of the moving block 19, and an inner portion of the transmission plate 20 is rotatably connected with a fixed column one 14; an outer wall of the fixed column one 14 is fixedly connected with a fixed block 13, and an upper surface of the fixed block 13 is fixedly connected to a lower surface of the connecting pipe 2;

[0029] Specifically, the shell 1 can play a role of fixed support to the support block one 15, and the support block one 15 can play a role of fixed support to the motor two 16; when the motor two 16 is turned on, the motor two 16 drives the lead screw 17 to rotate, and the support block two 18 can play a role of support to the lead screw 17, thereby ensuring the stability of the lead screw 17 when rotating, and the rotation of the lead screw 17 drives the moving block 19 to slide, and the sliding of the moving block 19 drives the transmission plate 20 to rotate, and the transmission plate 20 drives the fixed block 13 to move up and down when the outer wall of the fixed column one 14 rotates, thereby driving the connecting pipe 2 to move up and down, and there is one support block one 15 on each of the left and right sides of the inner wall of the shell 1, and there is a motor two 16 on each of the left and right sides; when the motor two 16 on one side is turned on, the fixed block 13 on the side moves up and down, thereby driving the connecting pipe 2 to move up and down on the side where the motor two 16 is turned on, to adjust the pitch angle; when the motors two 16 on both sides are turned on, the fixed blocks 13 on both sides move up and down at the same time, thereby driving the connecting pipe 2 to move up and down on both sides at the same time, to adjust the height position.

[0030] Working principle: when the device is needed, first open the motor 4 fixed on the outer wall of the frame 3, let the motor 4 drive the worm 5 to rotate, and the rotation of the worm 5 will drive the worm gear 6 to rotate, and the worm gear 6 rotates and drives the connecting column 7 to rotate, and the rotation of the connecting column 7 will drive the gear 8 to rotate, and the rotation of the gear 8 will drive the arc tooth 9 to rotate, and then drive the toothed disc 10 to rotate through the rotation of the arc tooth 9, when the toothed disc 10 rotates, it will also drive the clamping plate 11 to rotate, and the clamping plate 11 rotates under the limitation of the limiting column 12, which will open an opening, and then open the motor 4 to close the opening, so as to clamp and fix the connecting part, when the angle or height of the connecting part needs to be adjusted, first open the motor 16, let the motor 16 drive the screw 17 to rotate in the inner wall of the supporting block 18, and the rotation of the screw 17 will drive the moving block 19 to slide, and the moving block 19 slides and drives the transmission plate 20 to rotate at the fixed column 14, when the transmission plate 20 rotates, it will drive the fixed block 13 to move up and down, by controlling the motor 16 on one side or both sides at the same time, the pitch angle or height of the connecting pipe 2 can be adjusted, that is, the device can not only fix and clamp the connecting part, but also can evenly distribute the load, disperse the stress, reduce the stress concentration, prevent the connecting part from loosening or falling off in work, improve the stability of the whole connection, and also can adjust the angle of the connecting pipe 2, allow the agricultural machinery to adjust the connection angle according to different operation requirements and environmental conditions, improve the adaptability and flexibility of the equipment.

[0031] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An intermediate box connecting piece for agricultural machines, comprising a housing (1), characterized in that: The inner wall of the shell (1) is slidably connected with a connecting pipe (2), the outer wall of the connecting pipe (2) is fixedly connected with a frame (3), the outer wall of the frame (3) is fixedly connected with a motor one (4), the output end of the motor one (4) is fixedly connected with a worm (5), the outer wall of the worm (5) is meshedly connected with a worm wheel (6), the inside of the worm wheel (6) is fixedly connected with a connecting column (7), both ends of the connecting column (7) are rotatably connected with the inner wall of the frame (3), the outer wall of the connecting column (7) is fixedly connected with a gear (8), the outer wall of the gear (8) is meshedly connected with an arc-shaped tooth (9), the outer wall of the arc-shaped tooth (9) is fixedly connected with a toothed disc (10), the outer wall of the toothed disc (10) is rotatably connected with the inner wall of the frame (3), the outer wall of the arc-shaped tooth (9) is meshedly connected with a clamping plate (11), the inside of the clamping plate (11) is rotatably connected with a limiting column (12), both ends of the limiting column (12) are fixedly connected with the inner wall of the frame (3), the inner wall of the shell (1) is provided with a supporting assembly, and the supporting assembly is used for supporting the angle adjustment.

2. The intermediate box connecting piece for agricultural machinery according to claim 1, characterized in that: The supporting assembly comprises a supporting plate (24), the lower surface of the supporting plate (24) is fixedly connected with the inner wall of the shell (1), the inside of the supporting plate (24) is fixedly connected with a rotating column (23), the outer wall of the rotating column (23) is rotatably connected with a connecting plate (22), the inner wall of the connecting plate (22) is rotatably connected with a fixed column two (21), and both ends of the fixed column two (21) are fixedly connected with a transmission plate (20).

3. The intermediate box connecting piece for agricultural machinery according to claim 2, characterized in that: The inner wall of the shell (1) is fixedly connected with a supporting block one (15).

4. The intermediate box connecting piece for agricultural machinery according to claim 3, characterized in that: The outer wall of the supporting block one (15) is fixedly connected with a motor two (16).

5. The intermediate box connecting piece for agricultural machinery according to claim 4, characterized in that: The output end of the motor two (16) is fixedly connected with a lead screw (17).

6. An intermediate box connecting piece for agricultural machinery according to claim 5, characterized in that: The outer wall of the lead screw (17) is rotatably connected with a supporting block two (18), and the outer wall of the lead screw (17) is threadedly connected with a moving block (19).

7. The intermediate box connecting piece for agricultural machinery according to claim 2, characterized in that: The outer wall of the transmission plate (20) is rotatably connected with the outer wall of the moving block (19), and the inside of the transmission plate (20) is rotatably connected with a fixed column one (14).

8. The intermediate box connecting piece for agricultural machinery according to claim 7, characterized in that: The outer wall of the fixed column one (14) is fixedly connected with a fixed block (13), and the upper surface of the fixed block (13) is fixedly connected with the lower surface of the connecting pipe (2).

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