Adjustable counterweight device for seeder
By designing an adjustable counterweight device, the position of the counterweight block of the seeder is adjusted using components such as rotating screws and sliding rods, which solves the problem of uneven weight distribution of the seeder on different terrains and improves the flexibility and safety of the equipment.
Patent Information
- Application Number
- CN202520127782.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing seeder counterweights cannot provide sufficient adjustment capabilities on sloping or undulating terrain, resulting in uneven weight distribution and increasing safety risks during operation.
An adjustable counterweight device for a seeder was designed. Through a first adjustment structure and a second adjustment structure, the counterweight can be flexibly adjusted using components such as a rotating screw, a sliding block, a sliding rod, a sliding column, a connecting rod, and a return spring, ensuring uniform weight distribution.
This achieves uniform weight distribution of the seeder on different terrains, improves the flexibility and applicability of the equipment, and reduces safety risks during operation.
Smart Images
Figure CN223745260U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to seeding machine technical field, concretely relates to a adjustable counterweight device for seeding machine. BACKGROUND
[0002] Seeding machine is one kind of agricultural machinery, its main function is high efficiency, even seed is sowed to the field, compared with traditional manual seeding, seeding machine can complete large area land seeding in short time, significantly improve the seeding efficiency, and more conducive to crop emergence neat, to improve the yield of crops,
[0003] The existing seeding machine usually sets up counterweight device at rear part, it can help the machine to keep stable, prevent the seeding machine from turning over, in addition, the additional weight of counterweight device can also help to reduce the vibration of seeding machine in the operation process, improve the comfort of operation,
[0004] Because different down pressure is needed to maintain consistent seeding depth when working in different soil types, therefore, the counterweight is usually designed to be able to slide unidirectionally along the specific track, but when working on the slope or undulating terrain, the unidirectional sliding counterweight device cannot provide enough adjustment ability, leading to uneven weight distribution of the seeding machine, so that the seeding machine is unbalanced, increasing the safety risk in the operation process, therefore, a adjustable counterweight device for seeding machine is needed to solve the above problems. SUMMARY
[0005] The utility model aims at providing a adjustable counterweight device for seeding machine to solve the problems raised in the above background.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a adjustable counterweight device for seeding machine, comprising:
[0007] Device main part, the device main part includes fixed frame and counterweight block, the counterweight block is provided with multiple groups, multiple groups the counterweight block is slidably placed in the fixed frame, the fixed frame has first sliding slot and the second sliding slot adjacent with first sliding slot;
[0008] First adjusting structure, the first adjusting structure includes rotating screw, belt shift block and first sliding rod, the rotating screw is rotatably installed in the fixed frame, the rotating screw both ends are provided with the thread of opposite screw thread, the belt shift block is provided with a pair, a pair The belt shift block is respectively connected with the rotating screw both ends screw thread, the first sliding rod is provided with a plurality of, the counterweight block is slidably inserted in the first sliding rod, one end of the first sliding rod is fixedly connected with the belt shift block, the end of the first sliding rod close to the belt shift block is slidably placed in the first sliding slot;
[0009] Second adjusting structure, second sliding rod, belt shift column, connecting rod and return spring, the second sliding rod is provided with multiple pairs, one end of a pair of the second sliding rod is fixedly connected to the connecting rod, the counterweight is slidably inserted into the second sliding rod, the connecting rod and the return spring are both provided with multiple, the connecting rod is inserted into two adjacent belt shift columns, the return spring is sleeved on the connecting rod, the second sliding rod and the first sliding rod are vertically arranged, and the belt shift column is slidably arranged in the second sliding groove.
[0010] As a preferred scheme, the second adjusting structure further comprises a telescopic column and a gas cylinder, the belt shift column has a moving block at an end away from the second sliding rod, the fixed frame has a moving groove in communication with the second sliding groove, the moving block is slidably arranged in the moving groove, the telescopic column is arranged in the moving groove, one end of the telescopic column is fixedly connected to one of the moving blocks, and the gas cylinder is fixedly installed outside the fixed frame, and an output shaft of the gas cylinder is connected to the telescopic column.
[0011] As a preferred scheme, the device body further comprises a fixed rod and a fixed ring, the fixed ring is fixedly inserted into a middle position of the rotating screw rod, one end of the fixed rod is fixed to the fixed ring, and one group of the counterweights is slidably inserted into the fixed rod.
[0012] As a preferred scheme, the device body further has a mounting groove in communication with the first sliding groove, one end of the rotating screw rod is rotatably arranged in an inner wall of the mounting groove, and the other end of the rotating screw rod extends out of the fixed frame by a distance and has a rotating handle.
[0013] As a preferred scheme, two adjacent connecting rods are arranged in parallel, and the two adjacent connecting rods are separated by a predetermined distance in the vertical direction.
[0014] As a preferred scheme, the second adjusting structure further comprises multiple pairs of fixed nuts, and each pair of the fixed nuts is mounted at two ends of the connecting rod away from the return spring.
[0015] Compared with the prior art, the device has the beneficial effects that:
[0016] The utility model discloses, be provided with first adjusting structure and second adjusting structure, first adjusting structure includes rotary screw rod, take shift block and first slide rod, and the both ends of rotary screw rod are provided with the thread of opposite screw direction, and second adjusting structure includes second slide rod, take shift column, connecting rod and return spring, and return spring is sleeved in connecting rod, and second slide rod and first slide rod are vertically arranged, first worker rotates rotary screw rod, and drives take shift block to slide to each other or opposite, and first slide rod simultaneously moves to each other or opposite, and make the counterweight block along the axial sliding of second slide rod, and the shift block of sliding drives take shift column to move to the direction of adjacent take shift column, and the return spring of being compressed pushes adjacent take shift column to also move along the axial of connecting rod, and by analogy, and each take shift column is close to each other simultaneously, and make the counterweight of sliding sleeve in second slide rod along the axial sliding of first slide rod, thereby realize the gravity change of multiple counterweight blocks in another direction, to make the weight distribution of counterweight block even, to improve the flexibility and applicability of equipment,
[0017] The utility model discloses, be provided with telescopic column and pneumatic cylinder, take shift column has shift block, fixed frame has movement groove, and shift block can slideable be placed in movement groove, and one end of telescopic column fixed connection is in one of shift block, and pneumatic cylinder fixed mounting is outside fixed frame, and the output shaft of pneumatic cylinder is connected to telescopic column, after the shutdown of pneumatic cylinder, and the return spring under the action of rebound force drives adjacent take shift column to move along the axial of connecting rod to the direction of each other away, make the distance between multiple take shift columns increase, and then drive the counterweight block of sliding connection with second slide rod distance increase, and pneumatic cylinder drives telescopic column to contract, drive shift block to slide in movement groove, make this take shift column move to the direction of adjacent take shift column close, when return spring is compressed, and the return spring of being compressed pushes adjacent take shift column to also move along the axial of connecting rod, and then improve the automation degree of equipment. ACCURACY OF DRAWINGS
[0018] Fig. 1 It is the three-dimensional view of the utility model,
[0019] Fig. 2 It is the partial explosion drawing of the utility model,
[0020] Fig. 3 It is the structure diagram of first adjusting structure and second adjusting structure of the utility model.
[0021] In the figure: 1, device main body; 11, fixed frame; 111, first sliding groove; 112, second sliding groove; 113, moving groove; 114, mounting groove; 12, counterweight; 13, fixed rod; 14, fixed ring; 2, first adjusting structure; 21, rotating screw; 211, rotating handle; 22, belt moving block; 23, first sliding rod; 3, second adjusting structure; 31, second sliding rod; 32, belt moving column; 321, moving block; 33, connecting rod; 34, return spring; 35, telescopic column; 36, air cylinder; 37, fixed nut. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with examples.
[0023] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.
[0024] Please refer to Figs. 1-3 The utility model provides a kind of adjustable counterweight device for seeding machine, comprising:
[0025] Second adjusting structure 3 further includes device main body 1, device main body 1 includes fixed frame 11 and counterweight 12, counterweight 12 is provided with multiple groups, multiple groups of counterweight 12 are slidably placed in the inside of fixed frame 11, fixed frame 11 has first sliding groove 111 and second sliding groove 112 adjacent to first sliding groove 111;
[0026] First adjusting structure 2, first adjusting structure 2 includes rotating screw 21, belt moving block 22 and first sliding rod 23, rotating screw 21 is rotatably installed in fixed frame 11, rotating screw 21 both ends are provided with the thread of opposite screw thread, a pair of belt moving block 22 is arranged, a pair of belt moving block 22 is respectively connected with the thread of rotating screw 21 both ends, first sliding rod 23 is provided with multiple, counterweight 12 is slidably inserted in first sliding rod 23, one end of first sliding rod 23 is fixedly connected to belt moving block 22, the end of first sliding rod 23 close to belt moving block 22 is slidably placed in first sliding groove 111;
[0027] Second adjusting structure 3, second adjusting structure 3 includes second sliding rod 31, belt moving column 32, connecting rod 33 and return spring 34, second sliding rod 31 is provided with multiple pairs, one end of a pair of second sliding rod 31 is fixedly connected to connecting rod 33, counterweight 12 is slidably inserted in second sliding rod 31, connecting rod 33 and return spring 34 are all provided with multiple, connecting rod 33 is inserted in adjacent two belt moving columns 32, return spring 34 is sleeved on connecting rod 33, second sliding rod 31 and first sliding rod 23 are vertically arranged, belt moving column 32 is slidably placed in second sliding groove 112;
[0028] The second adjusting structure 3 further comprises a telescopic column 35 and a cylinder 36, the moving block 321 is arranged at the end of the second sliding rod 31 away from the second sliding groove 112, the fixed frame 11 is provided with a moving groove 113 connected with the second sliding groove 112, the moving block 321 is slidably arranged in the moving groove 113, the telescopic column 35 is arranged in the moving groove 113, and one end of the telescopic column 35 is fixedly connected with one of the moving blocks 321, the cylinder 36 is fixedly installed outside the fixed frame 11, and an output shaft of the cylinder 36 is connected with the telescopic column 35;
[0029] The device main body 1 further comprises a fixed rod 13 and a fixed ring 14, the fixed ring 14 is fixedly inserted in the middle position of the rotating screw 21, one end of the fixed rod 13 is fixed to the fixed ring 14, and one group of the counterweight blocks 12 is slidably inserted in the fixed rod 13;
[0030] The device main body 1 is further provided with a mounting groove 114 connected with the first sliding groove 111, one end of the rotating screw 21 is rotatably arranged in the inner wall of the mounting groove 114, and the other end of the rotating screw 21 extends out of the fixed frame 11 by a distance and is provided with a rotating handle 211;
[0031] The adjacent two connecting rods 33 are arranged in parallel, and the adjacent two connecting rods 33 are separated by a predetermined distance in the vertical direction;
[0032] The second adjusting structure 3 further comprises a plurality of pairs of fixed nuts 37, and each pair of the fixed nuts 37 is arranged at the two ends of the connecting rod 33 away from the reset spring 34.
[0033] The working principle and use process of the utility model are as follows:
[0034] Firstly, the worker rotates the handle 211, so that the rotating screw 21 rotates around the axis, and then drives the pair of moving blocks 22 connected with the rotating screw 21 to slide in the mounting groove 114 in the same direction or in the opposite direction, and then drives the first sliding rod 23 connected with the moving block 22 to move in the same direction or in the opposite direction, so that the counterweight block 12 sleeved on the first sliding rod 23 slides along the second sliding rod 31, thereby realizing the change of the gravity center of the multiple counterweight blocks 12 in one direction;
[0035] Subsequently, the activated cylinder 36 drives the telescopic column 35 to retract, and further drives the moving block 321 connected with one end of the telescopic column 35 to slide in the moving groove 113, so that the moving block 32 moves towards the adjacent moving block 32, at this time, the reset spring 34 is compressed, and the compressed reset spring 34 drives the adjacent moving block 32 to move axially along the connecting rod 33, and so on, each moving block 32 is close to each other at the same time, and further drives the multiple pairs of second sliding rods 31 to be close to each other at the same time, so that the counterweight 12 sleeved on the second sliding rod 31 slides axially along the first sliding rod 23, so as to change the gravity center of the multiple counterweights 12 in the other direction, so as to make the weight distribution of the counterweight 12 uniform, and improve the flexibility and applicability of the equipment.
[0036] Subsequently, after the cylinder 36 is stopped, the reset spring 34 under the action of the elastic force drives the adjacent moving block 32 to move axially along the connecting rod 33 in the direction away from each other, so that the distance between the multiple moving blocks 32 is increased, and further drives the counterweight 12 connected with the second sliding rod 31 to increase the distance.
[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable counterweight device for a seeder, characterized in that, The utility model relates to a kind of adjustable device for fixing frame, including: Device body (1), the device body (1) includes fixed frame (11) and counterweight (12), the counterweight (12) is provided with multiple groups, multiple groups the counterweight (12) is slidably placed inside the fixed frame (11), the fixed frame (11) has first sliding groove (111) and second sliding groove (112) adjacent with the first sliding groove (111); First adjusting structure (2), the first adjusting structure (2) includes rotating screw (21), belt shift block (22) and first sliding rod (23), the rotating screw (21) is rotatably installed to the fixed frame (11), the rotating screw (21) both ends are provided with the thread of opposite screw thread, the belt shift block (22) is provided with a pair, a pair the belt shift block (22) is respectively connected with the rotating screw (21) both ends thread, the first sliding rod (23) is provided with multiple, the counterweight (12) is slidably inserted in the first sliding rod (23), one end of the first sliding rod (23) is fixedly connected to the belt shift block (22), the end of the first sliding rod (23) close to the belt shift block (22) is slidably placed in the first sliding groove (111); Second adjusting structure (3), the second adjusting structure (3) includes second sliding rod (31), belt shift column (32), connecting rod (33) and reset spring (34), the second sliding rod (31) is provided with multiple pairs, one end of a pair the second sliding rod (31) is fixedly connected to the connecting rod (33), the counterweight (12) is slidably inserted in the second sliding rod (31), the connecting rod (33) and the reset spring (34) are both provided with multiple, the connecting rod (33) is inserted in adjacent two the belt shift column (32), the reset spring (34) is sleeved on the connecting rod (33), the second sliding rod (31) and the first sliding rod (23) are vertically arranged, the belt shift column (32) is slidably placed in the second sliding groove (112).
2. The adjustable weight device for a planter of claim 1, wherein: The second adjusting structure (3) further includes telescopic column (35) and air cylinder (36), the belt shift column (32) has moving block (321) on the end face away from the second sliding rod (31), the fixed frame (11) has movement groove (113) being communicated with the second sliding groove (112), the moving block (321) is slidably placed in the movement groove (113), the telescopic column (35) is placed in the movement groove (113), and one end of the telescopic column (35) is fixedly connected to one of the moving block (321), the air cylinder (36) is fixedly installed on the outside of the fixed frame (11), and the output shaft of the air cylinder (36) is connected to the telescopic column (35).
3. The adjustable weight device for a planter of claim 2, wherein: The device body (1) further comprises a fixed rod (13) and a fixed ring (14), the fixed ring (14) is fixedly inserted in the middle position of the rotating screw rod (21), one end of the fixed rod (13) is fixed to the fixed ring (14), and a group of the counterweight blocks (12) are slidably inserted in the fixed rod (13).
4. The adjustable weight device for a planter of claim 3, wherein: The device body (1) further has a mounting groove (114) communicating with the first sliding groove (111), one end of the rotating screw rod (21) is rotatably arranged on the inner wall of the mounting groove (114), and the other end of the rotating screw rod (21) extends out of the fixed frame (11) by a distance and has a rotating handle (211).
5. The adjustable weight device for a planter of claim 2, wherein: Two adjacent connecting rods (33) are arranged in parallel, and two adjacent connecting rods (33) are separated by a predetermined distance in the vertical direction.
6. The adjustable weight device for a planter of claim 5, wherein: The second adjusting structure (3) further comprises a plurality of pairs of fixed nuts (37), and each pair of fixed nuts (37) is mounted on the two ends of the connecting rod (33) away from the reset spring (34).