CN217790222U

CN217790222U - Machine steering mechanism

Info

Publication number: CN217790222U
Application number: CN202221721496.8U
Authority: CN
Inventors: 马伟; 赵健; 孙向阳; 刘丹; 陈龙
Original assignee: Debang Dawei Wuhu Agricultural Machinery Co ltd
Current assignee: Debang Dawei Wuhu Agricultural Machinery Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses an implement steering mechanism relates to the agricultural equipment field, and it includes the tie-beam of being connected with draw gear, the tie-beam is including dismantling fixed connection's girder and auxiliary girder, and the girder is kept away from the one end detachable of auxiliary girder and is installed the back frame, the left and right-hand member of back frame is all rotated and is connected with vertical pivot pole, and the lower extreme of two pivot poles all is fixed with the tire installing support, rotates on the tire installing support and installs the back tire, be provided with the rear steering mechanism who is used for adjusting back tire direction on the back frame. In the whole device mechanism, the suspension bracket can automatically rotate through the arrangement of the front steering oil cylinder, the suspension bracket, the connecting shaft and the driving rod, so that the direction of the mechanism is adjusted, the direction of the mechanism following the traction device is consistent, secondly, the telescopic end of the front steering oil cylinder can be limited through the arrangement, and the telescopic end of the front steering oil cylinder is prevented from loosening and separating in the traction process.

Description

Machine steering mechanism

Technical Field

The utility model relates to an agricultural equipment field especially relates to an instrument steering mechanism.

Background

Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machines include agricultural power machines, farmland construction machines, soil farming machines, planting and fertilizing machines, plant protection machines, farmland irrigation and drainage machines, crop harvesting machines, agricultural product processing machines, animal husbandry machines, agricultural transportation machines, and the like.

The generalized agricultural machinery also comprises forestry machinery, fishery machinery and rural subsidiary machinery such as silkworm raising, beekeeping, edible fungus cultivation and the like. Agricultural machinery belongs to relative concept, refers to a general term for all machinery used in agriculture, animal husbandry, forestry and fishery, and belongs to the category of agricultural implements. The popularization of agricultural machinery is called agricultural mechanization.

There is an agricultural ditching machines at present, it includes tractor drive division and the ditching mechanism part of being connected with the tractor aircraft nose, ditching mechanism part is including ditching cutter again and be used for installing ditching cutter's walking frame body, because its walking frame body's the corresponding part is rigid connection mostly, when leading to ditching machines to walk off the bias, inconvenient control walking direction leads to the ditching crooked uneven, and the ditching quality is poor, for this reason, we need a machine steering mechanism.

SUMMERY OF THE UTILITY MODEL

Objects of the first utility model

In view of this, the present invention provides a machine steering mechanism to achieve flexible steering of the machine and correction of the ditching direction.

(II) technical scheme

In order to achieve the technical purpose, the utility model provides a machine tool steering mechanism:

the rear steering mechanism comprises a connecting beam connected with a traction device, wherein the connecting beam comprises a main beam and a secondary beam which are detachably and fixedly connected, a rear frame is detachably mounted at one end of the main beam, which is far away from the secondary beam, the left end and the right end of the rear frame are rotatably connected with vertical rotating shaft rods, tire mounting brackets are fixed at the lower ends of the two rotating shaft rods, rear tires are rotatably mounted on the tire mounting brackets, and a rear steering mechanism for adjusting the direction of the rear tires is arranged on the rear frame;

the auxiliary beam is characterized in that a vertical connecting shaft is fixedly mounted at one end, away from the main beam, of the auxiliary beam, suspension frames used for being connected with the traction device are rotatably mounted at two ends of the connecting shaft, a front steering mechanism used for adjusting the directions of the suspension frames is arranged on the auxiliary beam, and the front steering mechanism and the rear steering mechanism are connected with a control console arranged on the traction device.

Preferably, the front steering mechanism comprises a front steering oil cylinder rotatably mounted on the secondary beam, the telescopic end of the front steering oil cylinder is rotatably connected with a driving rod, and the driving rod is fixed on the suspension bracket.

Preferably, a limit block for limiting the telescopic end of the front steering oil cylinder is fixed on the suspension bracket, and the other end of the limit block is fixed with the upper end of the driving rod and is positioned above the telescopic end of the front steering oil cylinder.

Preferably, a connecting seat for mounting a ditching cutter is fixed on the auxiliary beam, and a plurality of mounting holes are formed in the connecting seat.

Preferably, the rear steering mechanism comprises a left steering block and a right steering block, one end of the left steering block is connected with the upper end of a steering shaft rod on the left side in a rotating mode, the bending section of the right steering block is connected with the upper end of the steering shaft rod on the right side in a rotating mode, one end of the right steering block is connected with a steering connecting rod in a rotating mode, the other end of the steering connecting rod is far away from the left steering block and corresponds to one end of the steering shaft rod in a rotating mode, a rear steering oil cylinder is connected to the rear frame in a rotating mode, and the telescopic end of the rear steering oil cylinder is connected with one end, far away from the steering connecting rod, of the right steering block in a rotating mode.

Preferably, the rear frame is fixed with a mounting seat corresponding to the position of the rotating shaft rod, and the rotating shaft rod is rotatably mounted on the mounting seat through a bearing.

Preferably, a mud scraper positioned above the rear tire is fixed on the mounting seat, and the mud scraper is triangular.

Preferably, a protective cover for protecting the steering connecting rod is fixed to the rear frame, and the steering connecting rod penetrates through the protective cover.

Preferably, a mounting frame is fixed on the rear frame, and an audible and visual alarm is fixed at the upper end of the mounting frame.

According to the technical scheme, the method has the following beneficial effects:

in the whole device mechanism, the suspension bracket can automatically rotate through the arrangement of the front steering oil cylinder, the suspension bracket, the connecting shaft and the driving rod, so that the direction can be adjusted, the direction of the mechanism following the traction device is consistent, secondly, the telescopic end of the front steering oil cylinder can be limited through the arrangement of the limiting block, and the telescopic end of the front steering oil cylinder is prevented from loosening and separating in the traction process.

Among the whole device mechanism, turn to the piece, turn to the connecting rod and turn to the setting of hydro-cylinder after through left side for the direction of two back tires can be adjusted, and then can be nimble adjust the direction of advance of back tire as required, use the back with preceding steering mechanism cooperation, make the turning to flexibility ratio of device good, can deal with better steering demand, and then correction walking direction that can be better, make things convenient for the correction of ditching direction. Secondly, can protect steering linkage pole to a certain extent through the safety cover that sets up, excellent in use effect, whole mechanism simple structure, the cost of manufacture is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a machine steering mechanism provided by the present invention.

Fig. 2 is a schematic view of the connection beam arrangement of the steering mechanism of the machine tool provided by the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 2.

Fig. 4 is an enlarged schematic view of a structure in fig. 2.

Fig. 5 is a schematic view of the arrangement of the steering connecting rod of the steering mechanism of the machine tool.

Description of the drawings: the device comprises a connecting beam 1, a traction device 2, a front steering mechanism 3, a rear steering mechanism 4, a main beam 5, an auxiliary beam 6, a suspension bracket 7, a connecting shaft 8, a driving rod 9, a front steering oil cylinder 10, a rear frame 11, a mounting seat 12, a steering shaft rod 13, a rear tire 14, a steering connecting rod 15, a left steering block 16, a right steering block 17, a rear steering oil cylinder 18, a mounting frame 19, an audible and visual alarm 20, a protective cover 21, a mud scraper 22, a connecting seat 23 and a limiting block 24.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

Referring to FIGS. 1-5:

example one

The utility model provides a machine steering mechanism, include tie-beam 1 of being connected with draw gear 2, tie-beam 1 is including dismantling fixed connection's girder 5 and auxiliary girder 6, girder 5 is kept away from the one end detachable of auxiliary girder 6 and is installed back frame 11, the left and right-hand member of back frame 11 all rotates and is connected with vertical pivot pole 13, the lower extreme of two pivot poles 13 all is fixed with the tire installing support, it installs back tire 14 to rotate on the tire installing support, be provided with the rear steering mechanism 4 that is used for adjusting 14 directions of back tire on the back frame 11.

It should be noted that a vertical connecting shaft 8 is fixedly installed at one end of the secondary beam 6, which is far away from the main beam 5, two ends of the connecting shaft 8 are rotatably installed with a suspension bracket 7 used for being connected with the traction device 2, a front steering mechanism 3 used for adjusting the direction of the suspension bracket 7 is arranged on the secondary beam 6, and the front steering mechanism 3 and the rear steering mechanism 4 are both connected with a control console arranged on the traction device 2. Specifically, the traction device 2 may preferably be a tractor head, and the console may be an existing console based on a general-purpose single chip microcomputer.

Preferably, a scraper 22 is fixed to the mounting seat 12 above the rear tire 14, and the scraper 22 has a triangular shape. Furthermore, a mounting rack 19 is fixed on the rear frame 11, and an audible and visual alarm 20 is fixed at the upper end of the mounting rack 19. Specifically, audible-visual annunciator 20 is connected with the control cabinet, and it is used for giving out light when needs and carries out safe warning to near personnel, avoids the people to be close to the machines, avoids the dangerous condition to take place.

It should be noted that the front steering mechanism 3 includes a front steering cylinder 10 rotatably mounted on the secondary beam 6, a telescopic end of the front steering cylinder 10 is rotatably connected with a driving rod 9, and the driving rod 9 is fixed on the suspension bracket 7. Specifically, a limiting block 24 for limiting the telescopic end of the front steering cylinder 10 is fixed on the suspension bracket 7, and the other end of the limiting block 24 is fixed with the upper end of the driving rod 9 and is located above the telescopic end of the front steering cylinder 10. A connecting seat 23 for mounting a ditching cutter is fixed on the auxiliary beam 6, and a plurality of mounting holes are formed in the connecting seat 23. Specifically, the front steering cylinder 10 is connected to the console.

It should be noted that, the rear steering mechanism 4 includes a left steering block 16 and a right steering block 17, one end of the left steering block 16 is connected with the upper end of the left steering shaft 13 in a rotating manner, the bending section of the right steering block 17 is connected with the upper end of the right steering shaft 13 in a rotating manner, one end of the right steering block 17 is connected with a steering connecting rod 15 in a rotating manner, the other end of the steering connecting rod 15 is connected with one end of the left steering block 16 far away from the corresponding steering shaft 13 in a rotating manner, a rear steering oil cylinder 18 is connected on the rear frame 11 in a rotating manner, and the telescopic end of the rear steering oil cylinder 18 is connected with one end of the right steering block 17 far away from the steering connecting rod 15 in a rotating manner. Specifically, the rear steering cylinder 18 is connected to the console, and the front steering cylinder 10 and the rear steering cylinder 18 are controlled to operate by the console.

In the present embodiment, a protective cover 21 for protecting the steering link 15 is fixed to the rear frame 11, the steering link 15 is provided through the protective cover 21 to the rear frame 11, an attachment seat 12 corresponding to the position of the rotating shaft 13 is fixed to the rear frame 11, and the rotating shaft 13 is rotatably attached to the attachment seat 12 through a bearing. It should be noted that the pivot rod 13 is perpendicular to the steering link rod 15.

The working principle is as follows: the rear steering oil cylinder 18 extends and contracts through pressure provided by the traction device 2 to drive the right steering block 17 to rotate by an angle, and because the steering connecting rod 15 is arranged to connect the left steering block 16 and the right steering block 17, when the right steering block 17 rotates by an angle, the left steering block 16 also rotates by the same angle, so that 2 rear tires 14 are steered. The front steering oil cylinder 10 extends and retracts through the pressure provided by the traction device 2, drives the suspension bracket 7 to rotate by an angle, and then runs in the same steering direction along with the traction device 2. And simultaneously, the front steering oil cylinder 10 and the rear steering oil cylinder 18 are controlled to extend and retract, so that the steering angle is consistent with the steering of the traction device 2, and the purpose of driving and steering can be achieved.

In the whole device mechanism, the suspension bracket 7 can automatically rotate through the arrangement of the front steering oil cylinder 10, the suspension bracket 7, the connecting shaft 8 and the driving rod 9, so that the direction is adjusted, the direction of the mechanism following the traction device 2 is consistent, and secondly, the telescopic end of the front steering oil cylinder 10 can be limited through the arrangement of the limiting block 24, and the telescopic end of the front steering oil cylinder 10 is prevented from being loosened and separated in the traction process.

In the whole device mechanism, through the left steering block 16, the right steering block 17, the steering connecting rod 15 and the rear steering oil cylinder 18, the direction of two rear tires 14 can be adjusted, and then the advancing direction of the rear tires 14 can be flexibly adjusted as required, after the device is matched with the front steering mechanism 3 for use, the steering flexibility of the device is good, the better steering requirement can be met, the walking direction can be better corrected, and the correction of the ditching direction is facilitated. Secondly, can protect steering linkage 15 to a certain extent through the safety cover 21 that sets up, excellent in use effect, whole mechanism simple structure, the cost of manufacture is low.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features, structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The machine steering mechanism comprises a connecting beam (1) connected with a traction device (2), and is characterized in that the connecting beam (1) comprises a main beam (5) and an auxiliary beam (6) which are detachably and fixedly connected, a rear frame (11) is detachably mounted at one end, far away from the auxiliary beam (6), of the main beam (5), the left end and the right end of the rear frame (11) are rotatably connected with vertical rotating shaft rods (13), tire mounting supports are fixed at the lower ends of the two rotating shaft rods (13), rear tires (14) are rotatably mounted on the tire mounting supports, and a rear steering mechanism (4) for adjusting the directions of the rear tires (14) is arranged on the rear frame (11);

the auxiliary beam is characterized in that a vertical connecting shaft (8) is fixedly mounted at one end, far away from the main beam (5), of the auxiliary beam (6), suspension frames (7) used for being connected with the traction device (2) are rotatably mounted at two ends of the connecting shaft (8), a front steering mechanism (3) used for adjusting the directions of the suspension frames (7) is arranged on the auxiliary beam (6), and the front steering mechanism (3) and the rear steering mechanism (4) are connected with a control console arranged on the traction device (2).

2. A machine steering mechanism according to claim 1, characterized in that the front steering mechanism (3) comprises a front steering cylinder (10) rotatably mounted on the secondary beam (6), the telescopic end of the front steering cylinder (10) is rotatably connected with a driving rod (9), and the driving rod (9) is fixed on the suspension bracket (7).

3. A machine steering mechanism according to claim 2, wherein the suspension bracket (7) is fixed with a limiting block (24) for limiting the telescopic end of the front steering cylinder (10), and the other end of the limiting block (24) is fixed with the upper end of the driving rod (9) and is positioned above the telescopic end of the front steering cylinder (10).

4. A machine steering mechanism according to claim 2 or 3, wherein the secondary beam (6) is fixed with a connecting base (23) for mounting a ditching cutter, and the connecting base (23) is provided with a plurality of mounting holes.

5. The machine steering mechanism according to any one of claims 1 to 3, wherein the rear steering mechanism (4) comprises a left steering block (16) and a right steering block (17), one end of the left steering block (16) is rotatably connected with the upper end of the left steering shaft (13), the bent section of the right steering block (17) is rotatably connected with the upper end of the right steering shaft (13), one end of the right steering block (17) is rotatably connected with a steering connecting rod (15), the other end of the steering connecting rod (15) is rotatably connected with the end, away from the corresponding steering shaft (13), of the left steering block (16), a rear steering cylinder (18) is rotatably connected to the rear frame (11), and the telescopic end of the rear steering cylinder (18) is rotatably connected with the end, away from the steering connecting rod (15), of the right steering block (17).

6. A machine steering mechanism according to claim 1, wherein the rear frame (11) is fixed with a mounting seat (12) corresponding to the position of the rotating shaft rod (13), and the rotating shaft rod (13) is rotatably mounted on the mounting seat (12) through a bearing.

7. A machine steering mechanism according to claim 6, wherein a mud scraper (22) is secured to the mounting block (12) above the rear tyre (14), the mud scraper (22) being triangular in shape.

8. A machine steering mechanism according to claim 5, wherein a protective cover (21) for protecting the steering link (15) is fixed to the rear frame (11), and the steering link (15) is provided so as to penetrate through the protective cover (21).

9. A machine steering mechanism according to claim 1, wherein a mounting bracket (19) is fixed to the rear frame (11), and an audible and visual alarm (20) is fixed to the upper end of the mounting bracket (19).