Suspension bracket applied to straw smashing and returning machine

Abstract

The utility model provides a suspension bracket applied to a straw smashing and returning machine, and relates to the technical field of agricultural equipment, the suspension bracket comprises a strip-shaped frame, a rotating rod, a two-way threaded rod and connecting blocks, the two-way threaded rod is rotatably connected in the strip-shaped frame, the connecting blocks are symmetrically arranged on the two-way threaded rod, the rotating rod is rotatably connected on the strip-shaped frame, and the connecting blocks are symmetrically arranged on the two-way threaded rod. And one end of the rotating rod extends into the strip-shaped frame to be fixedly connected with a bidirectional threaded rod, fixing frames are installed at the bottoms of the two sets of connecting blocks, and first bolts are arranged on the two sets of fixing frames. Through the arrangement of the bidirectional threaded rod, the rotating rod and the connecting blocks, the rotating rod is rotated to drive the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the connecting blocks to move when rotating, the rotating rod is rotated in different directions to drive the bidirectional threaded rod to rotate in different directions, and the two sets of connecting blocks are driven to move close to each other and away from each other; meanwhile, the two supporting rods are driven to move together to adjust the distance.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a suspension frame applied to a straw crushing and returning machine. Background Art

[0002] Straw crushing and returning to the field can improve the soil structure of farmland, increase the soil organic matter content, and prevent soil compaction. It is an important process in cotton planting operations. Straw crushing and returning machines have the advantages of high working efficiency and low energy consumption. They have been widely used in the process of straw crushing and returning to the field. Existing straw returners usually have two symmetrical cutting discs, and the suspension frame is fixed in the middle of the machine.

[0003] The search publication number is: CN211129040U discloses a suspension frame applied to a straw crushing and returning machine, including a suspension frame body, a frame body, a tractor, a first cutter disc driven by a first cutter disc transmission device, and a second cutter disc driven by a second cutter disc transmission device with a diameter smaller than the first cutter disc, the frame body is connected to the tractor through the suspension frame body, and the first cutter disc transmission device and the second cutter disc transmission device are respectively installed on both sides of the upper part of the frame body. The suspension frame body of the utility model is arranged on the front end surface of one side of the first cutter disc transmission device and fixed in the middle of the frame body to balance the different sizes and weights of the first cutter disc and the second cutter disc and the influence of different airflows generated when rotating at high speed; the application has the following shortcomings: the structure of the suspension frame is fixed and cannot be adjusted and installed according to different sizes of straw crushing and returning machines, therefore, a suspension frame applied to a straw crushing and returning machine is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a suspension frame applied to a straw crushing and returning machine to the field, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a suspension frame used for a straw crushing and returning machine, comprising: a bar frame, a rotating rod, a bidirectional threaded rod and a connecting block, the interior of the bar frame is rotatably connected to the bidirectional threaded rod, the bidirectional threaded rod is symmetrically provided with connecting blocks, the bar frame is rotatably connected to the rotating rod, and one end of the rotating rod extends to the interior of the bar frame and is fixedly connected to the bidirectional threaded rod.

[0006] As a further technical solution of the utility model, a fixing frame is installed at the bottom of the two groups of connecting blocks, and a first bolt is provided on the two groups of fixing frames. The fixing frames are connected to the support rods through the first bolts.

[0007] As a further technical solution of the utility model, the bottoms of the two groups of support rods are rotatably connected with bar blocks, the bottoms of the two groups of bar blocks are installed with buffer frames, and connecting rods are installed inside the two groups of buffer frames.

[0008] As a further technical solution of the utility model, the two groups of connecting rods are slidably connected with connecting blocks, one end of the two groups of connecting blocks is installed with an insert, the insert is installed with a second bolt, and the connecting rod is sleeved with a spring.

[0009] As a further technical solution of the utility model, one end of the spring abuts against the top of the connecting block, and the other end of the spring abuts against the inner top of the buffer frame, and fixing plates are symmetrically installed on the strip frame, and two groups of third bolts are provided on the two groups of fixing plates.

[0010] As a further technical solution of the utility model, the fixing plate is connected to a first fixing rod via a set of third bolts, a second fixing rod is slidably connected inside the first fixing rod, and a fastening bolt is provided at the bottom of the second fixing rod.

[0011] The utility model provides a suspension frame applied to a straw crushing and returning machine, which has the following beneficial effects compared with the prior art:

[0012] 1. The present invention is a suspension frame used for a straw crushing and returning machine. By setting a bidirectional threaded rod, a rotating rod and a connecting block, the rotating rod is rotated, and the rotating rod drives the bidirectional threaded rod to rotate. When the bidirectional threaded rod rotates, the connecting block is driven to move. Rotating the rotating rod in different directions drives the bidirectional threaded rod to rotate in different directions, driving the two groups of connecting blocks to move closer and farther from each other, and at the same time driving the two groups of support rods to move together to adjust the distance.

[0013] 2. The present invention is a suspension frame used for a straw crushing and returning machine. The first fixing rod, the second fixing rod and the fastening bolt are provided. The second fixing rod is extended by sliding inside the first fixing rod. The length is adjusted according to the size of the straw crushing and returning machine to be installed. The second fixing rod is fixedly connected to the straw crushing and returning machine by the fastening bolt. In combination with the support rod and the third bolt, straw crushing and returning machines of different sizes can be installed on the suspension frame body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a suspension frame used in a straw crushing and returning machine;

[0015] Figure 2 It is a side view of the overall structure of a suspension frame used in a straw crushing and returning machine;

[0016] Figure 3 It is a schematic diagram of the internal structure of a bar frame of a suspension frame used in a straw crushing and returning machine;

[0017] Figure 4 The present invention is a schematic diagram of the internal structure of a buffer frame of a suspension frame used in a straw crushing and returning machine.

[0018] In the figure: 1. bar frame; 2. fixing plate; 3. rotating rod; 4. fixing frame; 5. first bolt; 6. supporting rod; 7. bar block; 8. buffer frame; 9. insert; 10. second bolt; 11. third bolt; 12. first fixing rod; 13. second fixing rod; 14. bidirectional threaded rod; 15. connecting block; 16. connecting rod; 17. connecting block; 18. spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution of a suspension frame applied to a straw crushing and returning machine, comprising: a bar frame 1, a rotating rod 3, a bidirectional threaded rod 14 and a connecting block 15. The bar frame 1 is rotatably connected to the bidirectional threaded rod 14, and the bidirectional threaded rod 14 is symmetrically provided with connecting blocks 15. The two groups of connecting blocks 15 are provided with threaded holes adapted to the bidirectional threaded rod 14 inside. The bar frame 1 is rotatably connected to the rotating rod 3, and one end of the rotating rod 3 extends to the inside of the bar frame 1 and is fixedly connected to the bidirectional threaded rod 14. The bottoms of the two groups of connecting blocks 15 are both equipped with fixed Frame 4, two groups of fixed frames 4 are provided with first bolts 5, the fixed frame 4 is connected to the support rod 6 through the first bolts 5, the rotating rod 3 is rotated, the rotating rod 3 drives the bidirectional threaded rod 14 to rotate, and the rotating rod 3 in different directions drives the bidirectional threaded rod 14 to rotate in different directions, and at the same time drives the connecting block 15 to move closer to or away from each other, and at the same time the connecting block 15 drives the fixed frame 4 to move together, and the fixed frame 4 drives the support rod 6 to move closer to and away from each other. The distance between the two support rods 6 is adjusted according to the size of the straw crushing and returning machine to facilitate installation.

[0021] like Figure 2 and Figure 4As shown, the bottom of the two groups of support rods 6 are rotatably connected with a strip block 7, and a buffer frame 8 is installed at the bottom of the two groups of strip blocks 7. Connecting rods 16 are installed inside the two groups of buffer frames 8. The two groups of connecting rods 16 are slidably connected with a connecting block 17. One end of the two groups of connecting blocks 17 is installed with an insert 9. The bottom of the support rod 6 to which the strip block 7 is rotatably connected always remains vertical as the support rod 6 tilts, so that the insert 9 is conveniently connected to the straw crushing and returning machine. A second bolt 10 is installed on the insert 9, and a spring 18 is sleeved on the connecting rod 16. The spring 18 is a damping spring that can start To achieve a buffering effect, one end of the spring 18 abuts against the top of the connecting block 17, and the other end of the spring 18 abuts against the inner top of the buffer frame 8. The bar frame 1 is symmetrically installed with fixing plates 2, and two groups of third bolts 11 are provided on the two groups of fixing plates 2. The fixing plate 2 is connected to the first fixing rod 12 through a group of third bolts 11. The first fixing rod 12 is slidably connected to the inside of the second fixing rod 13, and a fastening bolt is provided at the bottom of the second fixing rod 13. The connecting block 17 slides on the connecting rod 16, and the connecting block 17 squeezes the spring 18, which plays a buffering role.

[0022] The working principle of the utility model is as follows: the rotating rod 3 is rotated, and the rotating rod 3 drives the bidirectional threaded rod 14 to rotate. When the bidirectional threaded rod 14 rotates, the connecting block 15 moves on the outside. Rotating the rotating rod 3 in different directions drives the bidirectional threaded rod 14 to rotate in different directions. The connecting blocks 15 move closer to or away from each other on the bidirectional threaded rod 14. At the same time, the connecting block 15 drives the support rod 6 to adjust the left and right positions through the fixed frame 4. The distance between the support rods 6 is adjusted according to the connection on the straw crushing and returning machine. The insert 9 at the bottom of the support rod 6 is plugged into the connection of the straw crushing and returning machine, and the second fixing rod 13 is pulled. The second fixing rod 13 slides outward and extends inside the first fixing rod 12. The fastening bolt on the second fixing rod 13 is fixedly connected to the straw crushing and returning machine, and the second bolt 10 is tightened and locked to install the straw crushing and returning machine.

[0023] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A suspension bracket used for a straw crushing and returning machine, characterized in that: include: A bar frame (1), a rotating rod (3), a bidirectional threaded rod (14) and a connecting block (15); the bar frame (1) is rotatably connected to the bidirectional threaded rod (14); the bidirectional threaded rod (14) is symmetrically provided with a connecting block (15); the bar frame (1) is rotatably connected to the rotating rod (3); one end of the rotating rod (3) extends to the inside of the bar frame (1) and is fixedly connected to the bidirectional threaded rod (14).

2. The suspension bracket used for a straw crushing and returning machine according to claim 1, characterized in that: A fixing frame (4) is installed at the bottom of the two groups of connection blocks (15), and a first bolt (5) is arranged on the two groups of fixing frames (4). The fixing frames (4) are connected to support rods (6) via the first bolts (5).

3. The suspension bracket used for the straw crushing and returning machine according to claim 2, characterized in that: The bottoms of the two groups of support rods (6) are rotatably connected with bar blocks (7), the bottoms of the two groups of bar blocks (7) are installed with buffer frames (8), and the insides of the two groups of buffer frames (8) are both installed with connecting rods (16).

4. The suspension bracket used for a straw crushing and returning machine according to claim 3, characterized in that: The two groups of connecting rods (16) are slidably connected with connecting blocks (17), one end of the two groups of connecting blocks (17) is installed with an insert (9), and the insert (9) is installed with a second bolt (10), and the connecting rod (16) is sleeved with a spring (18).

5. The suspension bracket used for the straw crushing and returning machine according to claim 4, characterized in that: One end of the spring (18) abuts against the top of the connecting block (17), and the other end of the spring (18) abuts against the inner top of the buffer frame (8). The bar frame (1) is symmetrically mounted with fixing plates (2), and two groups of third bolts (11) are arranged on the two groups of fixing plates (2).

6. The suspension bracket used for a straw crushing and returning machine according to claim 5, characterized in that: The fixing plate (2) is connected to a first fixing rod (12) via a group of third bolts (11); a second fixing rod (13) is slidably connected inside the first fixing rod (12); a tightening bolt is provided at the bottom of the second fixing rod (13).

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