Traction suspension bracket for agricultural machine

Abstract

The utility model discloses a traction suspension bracket for agricultural machinery. The traction suspension bracket comprises a suspension traction connecting mechanism, the suspension traction connecting mechanism comprises a horizontally-arranged suspension traction connecting shaft, a suspension frame is installed on the head portion of the suspension traction connecting shaft, and the suspension frame can rotate around the central axis of the suspension traction connecting shaft so that the suspension frame can incline leftwards and rightwards in the vertical direction. The U-shaped connecting piece is arranged at the head of the traction connecting frame, and the head of the U-shaped connecting piece is connected with the tail of the suspension traction connecting shaft; the suspension traction connecting pipe is vertically arranged in the U-shaped connecting piece, an upper through hole and a lower through hole of the suspension traction connecting pipe are correspondingly connected with mounting holes in an upper side plate and a lower side plate of the U-shaped connecting piece, and meanwhile, the suspension traction connecting pipe is rotatably connected with the head of the traction connecting frame, so that the suspension frame can rotate leftwards and rightwards in the horizontal direction.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a traction suspension frame for agricultural machinery. Background Art

[0002] In recent years, with the development of China's economic and technological levels, the rate of agricultural mechanization in China's agricultural production has been rising steadily. The agricultural machinery has not only increased in quantity, but also shown an explosive growth in variety. However, China is a country with diverse terrains, landforms and ecological climates. Mountainous and hilly terrains account for 43% of China's area, which has to a certain extent affected the continuous progress of agricultural mechanization in China. Therefore, there is an urgent need for a traction suspension frame with strong adaptability to mountainous and hilly areas. The suspension frame used in agricultural machinery is an important part connecting the working device and the traction machinery. At present, most of the traction suspension devices used in domestic agricultural implements cannot realize the left and right rotation in the horizontal direction and the left and right tilting in the vertical direction of the traction machinery and the working device, and thus cannot well adapt to the connection of the traction device and the working device on inclined working ground, complex working ground, or the working device with a large unidirectional load. Content of the Utility Model

[0003] In view of the above technical problems, the utility model provides a traction suspension frame for agricultural machinery.

[0004] In order to achieve the above object, the technical solution of the utility model is specifically as follows:

[0005] A traction suspension frame for agricultural machinery, comprising:

[0006] A suspension traction connection mechanism;

[0007] The suspension traction connection mechanism includes:

[0008] A horizontally arranged suspension traction connection shaft, with a suspension frame installed at its head, and the suspension frame can rotate around the central axis of the suspension traction connection shaft, so that the suspension frame can tilt left and right in the vertical direction;

[0009] A U-shaped connecting piece, arranged at the head of the traction connection frame, and its head is connected to the tail of the suspension traction connection shaft;

[0010] A suspension traction connection pipe, vertically arranged in the U-shaped connecting piece, and its upper and lower through holes are correspondingly connected to the mounting holes on the upper and lower side plates of the U-shaped connecting piece. At the same time, the suspension traction connection pipe is rotatably connected to the head of the traction connection frame, so that the suspension frame can rotate left and right in the horizontal direction;

[0011] Wherein, the tail of the traction connection frame is connected to the working device, and the suspension frame is connected to the traction equipment.

[0012] The hanging traction connecting pipe is rotatably connected to the head of the traction connecting frame through a hanging traction connecting pin;

[0013] The hanging traction connecting pin includes:

[0014] A connecting pin shaft body, which is inserted into the hanging traction connecting pipe;

[0015] Among them, a connecting pin head is horizontally arranged at the top of the connecting pin shaft body, and the bent part of the connecting pin head is inserted into the traction connecting frame to ensure that the connecting pin head does not rotate. The bottom of the connecting pin shaft body is fixed to the traction connecting frame through a nut.

[0016] The traction connecting frame includes:

[0017] A traction frame main beam is horizontally arranged, and the tail is inserted into and mutually fixed with the insertion pipe at the front end of the working device through bolts;

[0018] An upper connecting plate of the traction frame and a lower connecting plate of the traction frame are respectively fixedly installed on the upper and lower side walls of the traction frame main beam, and an installation hole capable of inserting the bent part of the connecting pin head is arranged on the upper connecting plate of the traction frame.

[0019] The tail of the upper connecting plate of the traction frame is folded up, and a horizontal left - right rotation limiting block is fixedly installed at the folding place for limiting the horizontal rotation of the hanging frame.

[0020] The hanging frame includes:

[0021] A middle support plate of the hanging frame;

[0022] A right support plate of the hanging frame and a left support plate of the hanging frame are arranged on both sides of the middle support plate of the hanging frame;

[0023] A hanging frame installation pipe is arranged at the bottom of the middle support plate of the hanging frame and is sleeved on the hanging traction connecting shaft;

[0024] Among them, hanging frame hanging shafts are respectively arranged at the front ends of the right support plate of the hanging frame and the left support plate of the hanging frame, and the hanging frame hanging shafts are connected to the rear hanging mechanism of the traction equipment.

[0025] A hanging frame reinforcing plate is arranged on the inner wall of the middle support plate of the hanging frame.

[0026] The utility model further includes a locking device, which is arranged at the front end of the middle support plate of the hanging frame for locking the rotation of the hanging frame and the hanging traction connecting shaft.

[0027] The locking device includes:

[0028] Lock head, the lock head includes: a suspension traction connection shaft lock block, which is arranged at the front end of the middle support plate of the suspension bracket and sleeved on the suspension traction connection shaft; a locking bracket, which is in an n-shaped structure and arranged at the front end of the suspension traction connection shaft lock block;

[0029] A locking pin, which is a structure with a handle at the head, the tail of which is horizontally inserted into the front and rear first jacks of the locking bracket and sleeved with a spring inside the locking bracket. Washers are respectively arranged at the front and rear ends of the spring, and the washers are all sleeved on the locking pin. The washer at the front end is correspondingly connected to the inner wall of the locking bracket, and the washer at the rear end is fixed to the side wall of the locking pin through an open pin;

[0030] Wherein, a bent plate is arranged at the front end of the locking bracket, and a groove is arranged on the bent plate. The handle of the locking pin head can be clamped in the groove; a second jack is arranged at the front end of the middle support plate of the suspension bracket, and the second jack corresponds to the tail of the locking pin, so that after the tail of the locking pin passes through the locking bracket, it can be inserted into the second jack, thereby restricting the rotation of the suspension bracket.

[0031] A vertical left-right rotation limiting block is cooperatively installed on the second jack. The central hole on the vertical left-right rotation limiting block is communicated with the second jack, and the notch on the vertical left-right rotation limiting block at the corresponding position of the suspension traction connection shaft lock block is clamped with each other.

[0032] The utility model further includes:

[0033] An operating table lower bracket, the bottom of which is fixedly installed on the suspension bracket;

[0034] An operating table upper bracket, the bottom of which is fixedly installed on the top of the operating table lower bracket through a U-shaped bolt;

[0035] An operating table, which is fixedly installed on the top of the operating table upper bracket;

[0036] An operating table wire bracket, which is arranged on the side wall of the operating table lower bracket.

[0037] The beneficial effects of the utility model are:

[0038] 1. The utility model can not only realize the left and right rotation in the horizontal direction and the left and right inclination in the vertical direction of the traction machinery and the working device, but also meet the connection of the working device with a large unidirectional load and the traction device. The detachable operating table can meet the trend of the gradual improvement of the operation and control level of the current working machinery. At the same time, the position left on the suspension bracket can meet the layout of mechanical, hydraulic and other transmissions or circuits to adapt to the working requirements of different working devices.

[0039] 2. The structure of the present utility model is compact, novel, easy to operate, fully functional, and stable and reliable in operation. It can not only be used as a traction suspension frame for various working devices, but also can meet the requirements of the working device for left and right rotation in the horizontal direction and left and right tilting rotation in the vertical direction. At the same time, the left and right rotation in the horizontal direction and the left and right tilting rotation in the vertical direction of the suspension frame are controllable. This can not only improve the adaptability of the working device, but also reduce unnecessary damage to the working device, extend its service life, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0041] Figure 2 is a schematic diagram of the overall sectional structure of the traction connecting frame of the present utility model;

[0042] Figure 3 is a schematic diagram of the structure of the suspension frame of the present utility model;

[0043] Figure 4 is a schematic diagram of the structure of the suspension traction connecting mechanism of the present utility model;

[0044] Figure 5 is a schematic diagram of the structure of the lock head of the present utility model;

[0045] Figure 6 is a schematic diagram of the structure of the lock pin of the present utility model;

[0046] Figure 7 is a schematic diagram of the structure of the suspension traction connecting pin of the present utility model;

[0047] Figure 8 is a schematic diagram of the left and right rotation alternation of the present utility model in the vertical direction;

[0048] Figure 9 is a schematic diagram of the left and right rotation alternation of the present utility model in the horizontal direction.

[0049] Reference Numerals: 1. Operating Table; 2. Upper Bracket of Operating Table; 3. U-shaped Bolt; 4. Cable Bracket of Operating Table; 5. Traction Connecting Frame; 5-1. Main Beam of Traction Frame; 5-2. Upper Connecting Plate of Traction Frame; 5-3. Lower Connecting Plate of Traction Frame; 6. Horizontal Left and Right Rotation Limit Block; 7. Suspension Frame; 7-1. Right Support Plate of Suspension Frame; 7-2. Middle Support Plate of Suspension Frame; 7-3. Left Support Plate of Suspension Frame; 7-4. Mounting Pipe of Suspension Frame; 7-5. Reinforcement Plate of Suspension Frame; 8. Hanging and Connecting Shaft of Suspension Frame; 9. Vertical Left and Right Rotation Limit Block; 10. Washer; 11. Spring; 12. Lock Pin; 13. Suspension Traction Connecting Mechanism; 13-1. Suspension Traction Connecting Shaft; 13-2. U-shaped Connector; 13-3. Suspension Traction Connecting Pipe; 14. Lock Head; 14-1. Lock Block of Suspension Traction Connecting Shaft; 14-2. Locking Bracket; 15. Lower Bracket of Operating Table; 16. Suspension Traction Connecting Pin; 16-1. Connecting Pin Head; 16-2. Connecting Pin Shaft Body; 17. Split Pin. Detailed Implementation Manner

[0050] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in combination with the specific implementation manners and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present utility model. In addition, in the following descriptions, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0051] As Figure 1 、 Figure 2 and Figure 4 shown, a traction suspension frame for agricultural machinery includes: a suspension traction connecting mechanism 13; the suspension traction connecting mechanism 13 includes: a horizontally arranged suspension traction connecting shaft 13-1, the head of which is mounted with a suspension frame 7, and the suspension frame 7 can rotate around the central axis of the suspension traction connecting shaft 13-1, so that the suspension frame 7 can tilt left and right in the vertical direction; a U-shaped connector 13-2, which is arranged at the head of the traction connecting frame 5, and the head of which is connected to the tail of the suspension traction connecting shaft 13-1; a suspension traction connecting pipe 13-3, which is vertically arranged in the U-shaped connector 13-2, and the upper and lower through holes thereof are correspondingly connected to the mounting holes on the upper and lower side plates of the U-shaped connector 13-2. At the same time, the suspension traction connecting pipe 13-3 is rotatably connected to the head of the traction connecting frame 5, so that the suspension frame 7 can rotate left and right in the horizontal direction; wherein, the tail of the traction connecting frame 5 is connected to the working device, and the suspension frame 7 is connected to the traction device.

[0052] As Figure 2 and Figure 7As shown, the suspension traction connecting pipe 13-3 is rotatably connected to the head of the traction connecting frame 5 through the suspension traction connecting pin 16; the suspension traction connecting pin 16 includes: a connecting pin shaft body 16-2 inserted into the suspension traction connecting pipe 13-3; wherein, a connecting pin head 16-1 is horizontally arranged at the top of the connecting pin shaft body 16-2, and the bent part of the connecting pin head 16-1 is inserted into the traction connecting frame 5 to ensure that the connecting pin head 16-1 does not rotate, and the bottom of the connecting pin shaft body 16-2 is fixed to the traction connecting frame 5 through a nut.

[0053] As Figure 1 and Figure 2 shown, the traction connecting frame 5 includes: a traction frame main beam 5-1 horizontally arranged, the tail of which is inserted into the insertion pipe at the front end of the working device and fixed to each other through bolts; a traction frame upper connecting plate 5-2 and a traction frame lower connecting plate 5-3 are respectively fixedly installed on the upper and lower side walls of the traction frame main beam 5-1, and an installation hole capable of inserting the bent part of the connecting pin head 16-1 is arranged on the traction frame upper connecting plate 5-2.

[0054] As Figure 1 , Figure 2 and Figure 9 shown, the tail of the traction frame upper connecting plate 5-2 is folded up, and a horizontally left and right rotation limiting block 6 is fixedly installed at the folding part for limiting the horizontal rotation of the suspension frame 7.

[0055] As Figures 1 to 3 shown, the suspension frame 7 includes: a suspension frame middle support plate 7-2; a suspension frame right support plate 7-1 and a suspension frame left support plate 7-3 are arranged on both sides of the suspension frame middle support plate 7-2; a suspension frame installation pipe 7-4 is arranged at the bottom of the suspension frame middle support plate 7-2 and sleeved on the suspension traction connecting shaft 13-1; wherein, suspension frame hanging shafts 8 are respectively arranged at the front ends of the suspension frame right support plate 7-1 and the suspension frame left support plate 7-3, the suspension frame hanging shafts 8 are connected to the rear suspension mechanism of the traction equipment, and a suspension frame reinforcing plate 7-5 is arranged on the inner wall of the suspension frame middle support plate 7-2.

[0056] As Figure 5 , Figure 6 and Figure 8As shown in the figure, the utility model further includes a locking device, which is arranged at the front end of the middle support plate 7-2 of the suspension bracket and is used to lock the rotation of the suspension bracket 7 and the suspension traction connecting shaft 13-1. The locking device includes: a lock head 14, and the lock head 14 includes: a suspension traction connecting shaft lock block 14-1, which is arranged at the front end of the middle support plate 7-2 of the suspension bracket and is sleeved on the suspension traction connecting shaft 13-1; a locking bracket 14-2, which is of an n-shaped structure and is arranged at the front end of the suspension traction connecting shaft lock block 14-1; a lock pin 12, which is a structure with a crank handle at the head, and its tail is horizontally inserted into the front and rear first jacks of the locking bracket 14-2 and is sleeved with a spring 11 inside the locking bracket 14-2. Washers 10 are respectively arranged at the front and rear ends of the spring 11, and the washers 10 are all sleeved on the lock pin 12. The front washer 10 is correspondingly connected to the inner wall of the locking bracket 14-2, and the rear washer 10 is fixed to the side wall of the lock pin 12 through a split pin 17. Among them, a bent plate is arranged at the front end of the locking bracket 14-2, and a groove is arranged on the bent plate. The crank handle at the head of the lock pin 12 can be clamped in the groove; a second jack is arranged at the front end of the middle support plate 7-2 of the suspension bracket, and the second jack corresponds to the tail of the lock pin 12, so that after the tail of the lock pin 12 passes through the locking bracket 14-2, it can be inserted into the second jack, thereby restricting the rotation of the suspension bracket 7.

[0057] As Figure 3 , Figure 5 and Figure 6 shown in the figure, a vertical left and right rotation limiting block 9 is cooperatively installed on the second jack. The central hole on the vertical left and right rotation limiting block 9 is communicated with the second jack, and the notch at the corresponding position of the vertical left and right rotation limiting block 9 and the suspension traction connecting shaft lock block 14-1 are mutually clamped.

[0058] As Figure 1 shown in the figure, the utility model further includes: an operating table lower bracket 15, which is fixedly installed at the bottom on the suspension bracket 7; an operating table upper bracket 2, whose bottom is fixedly installed at the top of the operating table lower bracket 15 through a U-shaped bolt 3; an operating table 1, which is fixedly installed at the top of the operating table upper bracket 2; an operating table wire bracket 4, which is arranged on the side wall of the operating table lower bracket 15.

[0059] When the utility model is in operation, the suspension frame hanging shaft 8 installed on the suspension frame 7 by bolts is connected to the rear suspension mechanism of the tractor. The working device is connected to the traction connecting frame 5. The crank of the locking pin 12 is turned to the vertically downward direction and clamped into the groove of the locking bracket 14-2. At this time, the traction connecting frame 5 can rotate around the suspension traction connecting shaft 13-1 relative to the suspension frame mounting pipe 7-4. The locking pin 12 pulled out from the suspension frame 7 can move in the larger hole in the center of the vertical left and right rotation limiting block 9, so that the suspension frame 7 and the traction connecting frame 5 can rotate within a controllable range. At the same time, since the bent part of the connecting pin head 16-1 is inserted into the mounting hole of the upper connecting plate 5-2 of the traction frame, it is ensured that the suspension traction connecting pin 16 does not rotate, but the traction connecting frame 5 rotates around the suspension traction connecting pin 16. The horizontal left and right rotation limiting blocks 6 installed on the upper connecting plate 5-2 of the traction frame can limit the rotation amplitude of the suspension frame 7. Furthermore, the horizontal rotation angle between the suspension frame 7 and the traction connecting frame 5 is controllable. By adjusting the installation inclination of the lower bracket 15 under the operating platform and the installation height of the upper bracket 2 on the operating platform, the position of the operating platform 1 installed on the upper bracket 2 on the operating platform is adjusted to the rear of the tractor cab, which is convenient for the operator of the working machine to complete the adjustment of the working device in the tractor cab, so as to simplify the working process and improve the working speed. When the working device stops working or the suspension frame 7 is not connected to the tractor, the locking pin 12 is turned to the horizontal direction, and under the action of the spring 11, the locking pin 12 is inserted into the smaller hole in the middle support plate 7-2 of the suspension frame, so that the operating platform 7 and the traction connecting frame 5 cannot tilt and rotate left and right in the vertical direction, and the traction connecting frame 5 and the suspension frame 7 are locked.

[0060] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A traction suspension frame for agricultural machinery, characterized in that, Comprising: A suspension traction connection mechanism (13); The suspension traction connection mechanism (13) includes: A horizontally arranged suspension traction connection shaft (13-1), with a suspension bracket (7) installed at its head. The suspension bracket (7) can rotate around the central axis of the suspension traction connection shaft (13-1), enabling the suspension bracket (7) to tilt left and right in the vertical direction; A U-shaped connecting member (13-2), arranged at the head of the traction connection bracket (5), and its head is connected to the tail of the suspension traction connection shaft (13-1); A suspension traction connection pipe (13-3), vertically arranged inside the U-shaped connecting member (13-2). Its upper and lower through holes are correspondingly connected to the mounting holes on the upper and lower side plates of the U-shaped connecting member (13-2). At the same time, the suspension traction connection pipe (13-3) is rotatably connected to the head of the traction connection bracket (5), enabling the suspension bracket (7) to rotate left and right in the horizontal direction; Wherein, the tail of the traction connection bracket (5) is connected to the working device, and the suspension bracket (7) is connected to the traction equipment.

2. The traction suspension frame for agricultural machinery according to claim 1, characterized in that: The suspension traction connection pipe (13-3) is rotatably connected to the head of the traction connection bracket (5) through a suspension traction connection pin (16); The suspension traction connection pin (16) includes: A connection pin shaft body (16-2), inserted into the suspension traction connection pipe (13-3); Wherein, a connection pin head (16-1) is horizontally arranged at the top of the connection pin shaft body (16-2). The bent part of the connection pin head (16-1) is inserted into the traction connection bracket (5) to ensure that the connection pin head (16-1) does not rotate. The bottom of the connection pin shaft body (16-2) is fixed to the traction connection bracket (5) through a nut.

3. The traction suspension frame for agricultural machinery according to claim 2, characterized in that: The traction connection bracket (5) includes: A horizontally arranged traction bracket main beam (5-1), with its tail inserted into the insertion pipe at the front end of the working device and fixed to each other through bolts; A traction bracket upper connecting plate (5-2) and a traction bracket lower connecting plate (5-3), respectively fixed to the upper and lower side walls of the traction bracket main beam (5-1). And an installation hole capable of inserting the bent part of the connection pin head (16-1) is provided on the traction bracket upper connecting plate (5-2).

4. The towing suspension bracket for agricultural machinery according to claim 3, characterized in that: The tail of the traction bracket upper connecting plate (5-2) is folded up, and a horizontal left and right rotation limit block (6) is fixedly installed at the folding part for limiting the horizontal rotation of the suspension bracket (7).

5. A traction suspension frame for agricultural machinery according to claim 1, characterized in that: The suspension bracket (7) includes: A suspension bracket middle support plate (7-2); A suspension bracket right support plate (7-1) and a suspension bracket left support plate (7-3), arranged on both sides of the suspension bracket middle support plate (7-2); A suspension bracket installation pipe (7-4), arranged at the bottom of the suspension bracket middle support plate (7-2) and sleeved on the suspension traction connection shaft (13-1); Wherein, suspension bracket hanging shafts (8) are respectively arranged at the front ends of the suspension bracket right support plate (7-1) and the suspension bracket left support plate (7-3), and the suspension bracket hanging shafts (8) are connected to the rear suspension mechanism of the traction equipment.

6. The agricultural machinery traction suspension bracket according to claim 5, wherein: A suspension bracket reinforcing plate (7-5) is arranged on the inner wall of the suspension bracket middle support plate (7-2).

7. The traction suspension frame for agricultural machinery according to claim 5, characterized in that: It further includes a locking device which is arranged at the front end of the middle support plate (7-2) of the suspension bracket and is used to lock the rotation of the suspension bracket (7) and the suspension traction connecting shaft (13-1).

8. The traction suspension frame for agricultural machinery according to claim 7, characterized in that: The said locking device includes: A lock head (14), and the lock head (14) includes: a suspension traction connecting shaft lock block (14-1) which is arranged at the front end of the middle support plate (7-2) of the suspension bracket and is sleeved on the suspension traction connecting shaft (13-1); a locking bracket (14-2) which is of an n-shaped structure and is arranged at the front end of the suspension traction connecting shaft lock block (14-1); A lock pin (12) which is a structure with a handle at its head. Its tail is horizontally inserted into the two first jacks at the front and back of the locking bracket (14-2) and is sleeved with a spring (11) inside the locking bracket (14-2). Washers (10) are respectively arranged at the front and back ends of the spring (11). The washers (10) are all sleeved on the lock pin (12). The washer (10) at the front end is correspondingly connected to the inner wall of the locking bracket (14-2), and the washer (10) at the back end is fixed to the side wall of the lock pin (12) through a split pin (17); Wherein, a bent plate is arranged at the front end of the locking bracket (14-2), and a groove is arranged on the bent plate. The handle of the lock pin (12) can be clamped in the groove; a second jack is arranged at the front end of the middle support plate (7-2) of the suspension bracket, and the second jack corresponds to the tail of the lock pin (12), so that after the tail of the lock pin (12) passes through the locking bracket (14-2), it can be inserted into the second jack, thereby restricting the rotation of the suspension bracket (7).

9. The traction suspension frame for agricultural machinery according to claim 8, characterized in that: A vertical left and right rotation limiting block (9) is cooperatively installed on the second jack. The central hole on the vertical left and right rotation limiting block (9) is communicated with the second jack, and the notch at the corresponding position of the vertical left and right rotation limiting block (9) and the suspension traction connecting shaft lock block (14-1) are clamped with each other.

10. The towing suspension frame for agricultural machinery according to claim 1, characterized in that, It further includes: An operating table lower bracket (15) whose bottom is fixedly installed on the suspension bracket (7); An operating table upper bracket (2) whose bottom is fixedly installed on the top of the operating table lower bracket (15) through a U-shaped bolt (3); An operating table (1) which is fixedly installed on the top of the operating table upper bracket (2); An operating table wire bracket (4) which is arranged on the side wall of the operating table lower bracket (15).

Images