阅读说明：本技术 牵引转向连接器 (Traction steering connector ) 是由 刘振 于 2019-11-20 设计创作，主要内容包括：本发明公开了一种牵引转向连接器,包括前架、后架和主架,所述前架和后架通过上下设置的销钉活动连接,所述主架通过销柱活动安装在后架上,所述后架沿上下设置的销钉在前架左右方向做有限范围的摆动,所述主架沿销柱的轴心在后架上下方向做有限范围的摆动,所述前架和后架内设置有万向节联轴器,本发明的钩头为分体式结构,短体钩头式设计配合后架的左右摆动能够在转弯过程中缩小转弯半径,通过将万向节联轴器设置在钩头内部并降低了传动轴长度能够有效保护传动轴不受损坏,保证了打草机的正常工作。(The invention discloses a traction steering connector, which comprises a front frame, a rear frame and a main frame, wherein the front frame and the rear frame are movably connected through pins arranged up and down, the main frame is movably arranged on the rear frame through pins, the rear frame swings in a limited range along the left and right directions of the front frame along the pins arranged up and down, the main frame swings in a limited range along the axis of the pins in the up and down directions of the rear frame, and universal joint couplers are arranged in the front frame and the rear frame.)

1. The utility model provides a pull and turn to connector, includes front truck (1), after-frame (2) and body frame (3), its characterized in that: fore-stock (1) and after-poppet (2) are through pin (4) swing joint that sets up from top to bottom, body frame (3) are through round pin post (5) movable mounting on after-poppet (2), after-poppet (2) are along pin (4) that set up from top to bottom do the swing of limited range in fore-stock (1) left and right sides orientation, body frame (3) are along the axle center of round pin post (5) do the swing of limited range in after-poppet (2) upper and lower orientation, be provided with universal joint coupling (6) in fore-stock (1) and after-poppet (2).

2. A traction steering coupling according to claim 1, wherein: the front frame (1) comprises a front main board (7), a front side board (8) arranged on two sides and a pair of front boards (9) arranged from top to bottom, the front main board (7), the front side board (8) and the front boards (9) are fixedly welded to be connected, the rear frame (2) comprises a rear main board (10), rear side boards (11) arranged on two sides and middle boards (12) arranged from top to bottom, and the rear main board (10), the rear side boards (11) and the middle boards (12) are fixedly welded to be fixed.

3. A traction steering coupling according to claim 2, wherein: the upper middle plate and the lower middle plate (12) are inserted into a pair of upper front plates (9) and lower front plates (9), pin assembling holes (13) are formed in the middle plates (12) and the front plates (9), and the front plates (9) and the middle plates (12) are movably connected through pins (4).

4. A traction steering coupling according to claim 2, wherein: the front side plate (8) on two sides is respectively provided with a cushion block seat (14), a cushion block (15) is fixedly arranged in the cushion block seat (14), and the cushion block (15) on two sides is movably matched with a side bracket (16) arranged on the rear side plate (11).

5. A traction steering coupling according to claim 2, wherein: the rear main board (10) is fixedly welded with a main board support (17), the bottom of the main board support (17) is fixedly connected with the rear main board (10) through a pair of bolts, and the main board (3) is arranged in a closed space formed by the main board support (17), the rear main board (10) and the bolts.

6. A traction steering coupling according to claim 2, wherein: the universal joint coupler is characterized in that universal joint connecting holes (18) are formed in the front main board (7) and the rear main board (10), the universal joint coupler (6) comprises a front joint (19), a connecting piece (20) and a rear joint (21), and the front joint (19) and the rear joint (21) are fixedly mounted on the universal joint connecting holes (18) formed in the front main board (7) and the rear main board (10) through bolts respectively.

Technical Field

The invention relates to the technical field of connecting pieces of grass trimmers, in particular to a traction steering connector.

Background

The gib head is the mechanism that is used for connecting the organism and the tractor of baling press on the forage baling press, the tractor passes through the transmission shaft with power transmission to the organism of baling press, thereby provide power with the packing for the cutting of forage, however, the long structure of towing of traditional gib head formula as an organic whole, this kind of long gib head structure makes transmission shaft length increase correspondingly, the distance is too big between the baling press organism that corresponds and the tractor, thereby lead to turning radius too big, can't remove in relatively narrow and small space, influence the working range of baling press, thereby long transmission shaft structure breaks easily at the tractor turn in-process simultaneously and causes comparatively serious work accident.

The invention aims to design a traction steering connector structure which has a smaller connecting distance between a packer body and a tractor, thereby reducing the turning radius and protecting a transmission shaft.

Disclosure of Invention

The present invention is directed to a traction steering coupling that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a pull and turn to connector, includes front bezel, after-poppet and body frame, the pin swing joint of front bezel and after-poppet through setting up from top to bottom, the body frame passes through round pin post movable mounting on the after-poppet, the after-poppet is along the pin that sets up from top to bottom to do the swing of limited range in the direction about the front bezel, the body frame is along the axle center of round pin post to do the swing of limited range in the direction about the after-poppet, be provided with the universal joint coupling in front bezel and the after-poppet.

Preferably, the front frame comprises a front main board, front side plates arranged on two sides of the front frame and a pair of front plates arranged up and down, the front main board, the front side plates and the front plates are fixedly welded, the rear frame comprises a rear main board, rear side plates arranged on two sides of the rear frame and a middle plate arranged up and down, and the rear main board, the rear side plates and the middle plate are fixedly welded.

Preferably, the upper middle plate and the lower middle plate are inserted into a pair of upper front plates and lower front plates, pin assembling holes are formed in the middle plates and the front plates, and the front plates and the middle plates are movably connected through pins.

Preferably, the front side plate on each of the two sides is provided with a cushion block seat, the cushion block seats are internally and fixedly provided with cushion blocks, and the cushion blocks on the two sides are movably matched with side brackets arranged on the rear side plate.

Preferably, the rear main board is fixedly welded with a main board support, the bottom of the main board support is fixedly connected with the rear main board through a pair of bolts, and the main frame is arranged in a closed space formed by the main board support, the rear main board and the bolts.

Preferably, universal joint connecting holes are formed in the front main board and the rear main board, the universal joint coupler comprises a front joint, a connecting piece and a rear joint, and the front joint and the rear joint are fixedly mounted on the universal joint connecting holes formed in the front main board and the rear main board through bolts respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. the hook head of the invention is of a split structure, the turning radius can be reduced in the turning process through the left-right swing of the rear frame, and the up-down swing of the main frame can effectively adapt to the terrain.

2. According to the invention, the universal joint coupler is arranged inside the hook head, the length of the transmission shaft is reduced by the shortened hook head, the transmission shaft is effectively prevented from being broken and damaged in the turning process, and the normal work of the grass trimmer is ensured.

The hook head is of a split structure, the turning radius can be reduced in the turning process by matching the short hook head type design with the left-right swinging of the rear frame, the transmission shaft can be effectively protected from being damaged by arranging the universal joint coupler inside the hook head and reducing the length of the transmission shaft, and the normal work of the grass trimmer is ensured.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is a schematic front view of the overall structure of the present invention;

fig. 5 is a schematic structural view of the universal joint coupling of the present invention.

In the figure: the universal joint comprises a front frame 1, a rear frame 2, a main frame 3, pins 4, pins 5, universal joint couplers 6, a front main plate 7, a front side plate 8, a front plate 9, a rear main plate 10, a rear side plate 11, a middle plate 12, pin assembling holes 13, a cushion block seat 14, a cushion block 15, a side bracket 16, a main plate bracket 17, universal joint connecting holes 18, a front section 19, a connecting piece 20 and a rear section 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a pull and turn to connector, includes fore-stock 1, after-poppet 2 and body frame 3, 4 swing joint of pin that fore-stock 1 and after-poppet 2 set up through from top to bottom, body frame 3 through 5 movable mounting of round pin post on after-poppet 2, the swing of limited range is done to the pin 4 of after-poppet 2 edge setting from top to bottom in the fore-stock 1 left right direction, the swing of limited range is done to the axle center of body frame 3 along round pin post 5 in after-poppet 2 upper and lower directions, be provided with universal joint coupling 6 in fore-stock 1 and after-poppet 2.

Thereby the after-poppet 2 can drive the before-poppet 1 when the tractor turns and rotate to one side around pin 4 at the swing of the 1 left right direction of before-poppet, and then reduces turning radius, and this gib head structure self length is less simultaneously, has further reduced the interval between tractor and the grass trimmer body, and then the turning radius that reduces.

As a preferred, the front frame 1 includes preceding mainboard 7, preceding curb plate 8 that both sides set up and a pair of front bezel 9 that sets up from top to bottom, preceding mainboard 7, preceding curb plate 8 and the equal fixed welded connection of front bezel 9, after-frame 2 includes back mainboard 10, the posterior lateral plate 11 that both sides set up and the middle plate 12 that sets up from top to bottom, back mainboard 10, posterior lateral plate 11 and the equal fixed welded connection of middle plate 12, thereby it is more firm to make the connection through each spare part welded type connection in this embodiment, vibrations also can keep the compactness of connecting repeatedly in the course of the work, the spare part simple structure before the welding simultaneously, be convenient for process.

Preferably, the upper and lower middle plates 12 are inserted into a pair of upper and lower front plates 9, the middle plates 12 and the front plates 9 are provided with pin fitting holes 13, the front plates 9 and the middle plates 12 are movably connected by pins 4, and the middle plates 12 are movably connected in the front plates 9 by the pins 4, thereby connecting the front frame 1 and the rear frame 2.

Preferably, the front side plates 8 on the two sides are respectively provided with a cushion block seat 14, the cushion block seats 14 are internally and fixedly provided with cushion blocks 15, the cushion blocks 15 on the two sides are movably matched with the side brackets 16 arranged on the rear side plate 11, and the front frame 1 can be prevented from deflecting too much relative to the rear frame 2 through the matching of the side brackets 16 and the cushion blocks 15, so that the front frame 1 and the rear frame 2 are prevented from being damaged.

Preferably, the rear main board 10 is further fixedly welded with a main board support 17, the bottom of the main board support 17 is fixedly connected with the rear main board 10 through a pair of bolts, and the main frame 3 is arranged in a closed space formed by the main board support 17, the rear main board 10 and the bolts.

Preferably, universal joint connecting holes 18 are formed in the front main board 7 and the rear main board 10, the universal joint coupler 6 comprises a front joint 19, a connecting piece 20 and a rear joint 21, the front joint 19 and the rear joint 21 are fixedly mounted on the universal joint connecting holes 18 formed in the front main board 7 and the rear main board 10 through bolts respectively, a bearing of the tractor and a bearing of a grass trimmer body are connected through the universal joint coupler 6, spline grooves are formed in the front joint 19 and the rear joint 21, and the front joint 19 and the rear joint 21 are connected with the bearing of the tractor and the bearing of the grass trimmer body through splines.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.