CN213138404U

CN213138404U - Semitrailer traction device

Info

Publication number: CN213138404U
Application number: CN202022217019.5U
Authority: CN
Inventors: 张洪珍; 曹行; 张效青
Original assignee: Jiangsu Xinzhiyi Transportation Equipment Co Ltd
Current assignee: Jiangsu Xinzhiyi Transportation Equipment Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-07
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a semitrailer traction device, which comprises a first connecting arm and a second connecting arm, wherein the first connecting arm and the second connecting arm are same in structure and are symmetrically distributed, one side of the first connecting arm, which is close to the second connecting arm, is welded with a connecting ring sleeve, a rotating shaft is vertically inserted in the middle of the second connecting arm, the outer surfaces of the rotating shafts on and under the second connecting arm are respectively rotatably sleeved with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are same in structure and are symmetrically distributed, the utility model has the advantages of simple structure and convenient operation, and the first connecting plate and the second connecting plate can be rotated on the second connecting arm by respectively arranging the connecting ring sleeve, the first connecting plate and the second connecting plate for connecting and fixing, and a positioning arc plate is cooperatively used, the accurate quick connection between the power train unit and the semi-trailer train unit at different angles can be realized.

Description

Semitrailer traction device

Technical Field

The utility model relates to a road transport machinery technical field specifically is a semitrailer draw gear.

Background

Semitrailer draw gear is a tractor that cargo-carrying tractor is used for the tractive semitrailer, can connect driving-vehicle group and semitrailer group through semitrailer draw gear, thereby realize driving-vehicle group to the traction of semitrailer group, current driving-vehicle group is connecting when pulling through semitrailer draw gear to semitrailer group, connecting the position between driving-vehicle group and the semitrailer group can have certain position crisscross, need the user to make a round trip to adjust the connecting part on driving-vehicle group and the semitrailer group, make it correspond and just can connect and pull, the troublesome poeration has influenced the traction efficiency of semitrailer, for this, propose a neotype semitrailer draw gear and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semitrailer draw gear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a semitrailer traction device comprises a first connecting arm and a second connecting arm, wherein the first connecting arm and the second connecting arm are identical in structure and are symmetrically distributed, a connecting ring sleeve is welded on one side, close to the second connecting arm, of the first connecting arm, a rotating shaft is vertically inserted in the middle of the second connecting arm, a first connecting plate and a second connecting plate are respectively rotatably sleeved on the outer surface of the rotating shaft on the upper side and the lower side of the second connecting arm, the first connecting plate and the second connecting plate are identical in structure and are symmetrically distributed, a limiting bolt is jointly inserted in the middle of the first connecting plate and the second connecting plate and on one side, close to the first connecting arm, of the second connecting plate and between the connecting ring sleeve and the side, close to the first connecting arm, of the bottom end of the second connecting plate, a fixing nut is fixedly connected to one side, close to the first connecting arm, the bottom fixed mounting of axis of rotation has the spliced pole, the bottom fixedly connected with support frame of spliced pole, one side fixedly connected with location arc board of support frame.

As a preferred technical scheme of the utility model, the spacing groove that uses with spacing bolt cooperation is all seted up at the middle part of first connecting plate and second connecting plate, the spacing thread groove that uses with spacing bolt cooperation is seted up to one side that the second linking arm is close to first connecting arm, spacing bolt activity pass the spacing groove and with spacing thread groove threaded connection.

As a preferred technical scheme of the utility model, the fixed wearing groove that uses with the fixing bolt cooperation is all seted up to one side that first connecting plate and second connecting plate are close to first connecting arm, and the fixing bolt activity pass fixed wearing groove and link cover and with fixation nut threaded connection.

As a preferred technical scheme of the utility model, the height dimension of connection ring cover is less than the distance between first connecting plate and the second connecting plate, connection ring cover internal diameter size is greater than fixing bolt's middle part size.

As an optimized technical scheme of the utility model, the support frame is the three-jaw structure, the distance length of spliced pole to location arc board arbitrary position is the same with the distance length of axis of rotation to fixed trough of wearing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, simple structure, convenient operation is used for connecting fixed link cover and first connecting plate and second connecting plate through setting up respectively on first linking arm and second linking arm, and wherein, first connecting plate and second connecting plate can realize rotating on the second linking arm, and the cooperation uses the location arc board, can realize being in the accurate quick connection between different angle motor train unit and the semi-trailer group.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural connection of the present invention;

FIG. 3 is a schematic view of the present invention in operation;

fig. 4 is a top view of fig. 3 according to the present invention.

In the figure: 1. a first connecting arm; 2. a second connecting arm; 3. a connecting ring sleeve; 41. a first connecting plate; 42. a second connecting plate; 5. a limit bolt; 6. fixing the bolt; 7. connecting columns; 8. a support frame; 9. positioning the arc plate; 10. fixing a nut; 11. a rotating shaft; 201. a limiting screw groove; 401. fixing the through groove; 402. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a semitrailer traction device comprises a first connecting arm 1 and a second connecting arm 2, wherein the first connecting arm 1 and the second connecting arm 2 are respectively used for correspondingly installing a power car group and a semitrailer group, the first connecting arm 1 and the second connecting arm 2 are identical in structure and are symmetrically distributed, a connecting ring sleeve 3 is welded on one side, close to the second connecting arm 2, of the first connecting arm 1, a rotating shaft 11 is vertically inserted in the middle of the second connecting arm 2, a first connecting plate 41 and a second connecting plate 42 are respectively rotatably sleeved on the outer surface of the rotating shaft 11 on the upper side and the lower side of the second connecting arm 2, the first connecting plate 41 and the second connecting plate 42 are identical in structure and are symmetrically distributed, the first connecting plate 41 and the second connecting plate 42 can be arranged on the upper side and the lower side of the second connecting arm 2 and rotate by taking the rotating shaft 11 as the center, limiting bolts 5 are jointly inserted in the middle of the first connecting plate 41 and the second connecting plate 42 and on one side, close to the first connecting, first connecting plate 41 and second connecting plate 42 are close to one side of first connecting arm 1 and connect between the ring cover 3 the activity to be inserted and be equipped with fixing bolt 6, realize the indirect connection between first connecting arm 1 and the second connecting arm 2, one side fixedly connected with fixation nut 10 that the bottom of second connecting plate 42 is close to first connecting arm 1, the bottom fixed mounting of axis of rotation 11 has spliced pole 7, the bottom fixedly connected with support frame 8 of spliced pole 7, one side fixedly connected with location arc board 9 of support frame 8.

The middle parts of the first connecting plate 41 and the second connecting plate 42 are provided with a limiting groove 402 matched with a limiting bolt 5 for use, one side of the second connecting plate 2 close to the first connecting arm 1 is provided with a limiting thread groove 201 matched with the limiting bolt 5 for use, and the limiting bolt 5 movably penetrates through the limiting groove 402 and is in threaded connection with the limiting thread groove 201, so that the fixing of the zero-angle position among the first connecting plate 41, the second connecting plate 42 and the second connecting plate 2 is realized.

First connecting plate 41 and second connecting plate 42 are close to one side of first connecting arm 1 and all have been seted up with fixed through groove 401 that fixing bolt 6 cooperation was used, and fixing bolt 6 activity pass fixed through groove 401 and connection ring cover 3 and with fixation nut 10 threaded connection to realize the indirect fixed between first connecting arm 1 and the second connecting arm 2, and then can realize that the connection of power car group to semi-trailer group pulls.

The height dimension of the connection ring 3 is smaller than the distance between the first connection plate 41 and the second connection plate 42, the inner diameter dimension of the connection ring 3 is larger than the middle dimension of the fixing bolt 6, the connection ring 3 can be displaced up and down in the space between the first connection plate 41 and the second connection plate 42, and the connection ring 3 can be angularly rotated in the space between the first connection plate 41 and the second connection plate 42.

The support frame 8 is a three-jaw structure, and the distance length from the connecting column 7 to any position of the positioning arc plate 9 is the same as the distance length from the rotating shaft 11 to the fixed through groove 401, wherein the positioning arc plate 9 is an arc structure taking the connecting column 7 as the center, so that the positioning connection between the first connecting arm 1 and the second connecting arm 2 is facilitated.

The working principle is as follows: the utility model relates to a semitrailer traction device, simple structure, convenient operation can make things convenient for accurate quick connection between the power car group and the semitrailer group, when needing to connect the power car group and the semitrailer group through using semitrailer traction device, only need to drive first connecting arm 1 through the power car group to be close to second connecting arm 2, when the position of first connecting arm 1 and second connecting arm 2 corresponds, connecting ring cover 3 just moves to the space between first connecting plate 41 and second connecting plate 42, and connecting ring cover 3 corresponds with fixed wearing groove 401 position, at this moment, can directly insert fixing bolt 6 in fixed wearing groove 401 and connecting ring cover 3, and in addition, the end and fixation nut 10 do not carry out the screw thread fastening, thereby realize the connection traction of power car group and semitrailer group, when the position of first connecting arm 1 and the position of second connecting arm 2 should appear alternately, only the connecting ring sleeve 3 needs to be moved to a vertically corresponding space of the positioning arc plate 9, then the limiting bolt 5 is screwed to detach and separate the limiting bolt 5 from the first connecting plate 41, the second connecting plate 42 and the second connecting arm 2, then the first connecting plate 41 and the second connecting plate 42 are synchronously rotated to realize the position rotation of the fixing through groove 401, and the position moving track of the fixing through groove 401 is the same as the arc track of the positioning arc plate 9, so that the fixing through groove 401 and the connecting ring sleeve 3 are convenient to correspond, when the first connecting plate 41 and the second connecting plate 42 are rotated to enable the fixing through groove 401 and the connecting ring sleeve 3 to correspond, the fixing bolt 6 is used to penetrate through the fixing through groove 401 and the connecting ring sleeve 3 and is in threaded connection in the fixing nut 10 to carry out the indirect connection and fixation of the staggered position between the first connecting arm 1 and the second connecting arm 2, at the moment, the first connecting arm 1 is driven by a power vehicle group to be far away from the second connecting arm 2, through the rotation of first connecting plate 41 and second connecting plate 42 on axis of rotation 11, and then straighten first connecting arm 1 and second connecting arm 2, make first connecting arm 1 and second connecting arm 2 be in the position of same straight line, afterwards, pass spacing groove 402 with spacing bolt 5 activity and with spacing thread groove 201 threaded connection, realize first connecting plate 41, the fixing of zero angle position between second connecting plate 42 and the second connecting arm 2, and then realized the accurate quick connection between power train group and the semi-trailer group.

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.

Claims

1. The utility model provides a semitrailer draw gear, includes first linking arm (1) and second linking arm (2), its characterized in that: the connecting device is characterized in that the first connecting arm (1) and the second connecting arm (2) are identical in structure and symmetrically distributed, a connecting ring sleeve (3) is welded on one side, close to the second connecting arm (2), of the first connecting arm (1), a rotating shaft (11) is vertically inserted in the middle of the second connecting arm (2), a first connecting plate (41) and a second connecting plate (42) are respectively rotatably sleeved on the outer surface of the rotating shaft (11) on the upper side and the lower side of the second connecting arm (2), the first connecting plate (41) and the second connecting plate (42) are identical in structure and symmetrically distributed in structure, a limiting bolt (5) is jointly inserted in the middle of the first connecting plate (41) and the second connecting plate (42) and on one side, close to the first connecting arm (1), of the first connecting plate (41) and one side, close to the first connecting arm (1), of the second connecting plate (42) and a fixing bolt (6) is movably inserted between the connecting ring sleeve (3), the bottom of second connecting plate (42) is close to one side fixedly connected with fixation nut (10) of first connecting arm (1), the bottom fixed mounting of axis of rotation (11) has spliced pole (7), the bottom fixedly connected with support frame (8) of spliced pole (7), one side fixedly connected with location arc board (9) of support frame (8).

2. A semitrailer towing device according to claim 1, characterised in that: the middle parts of the first connecting plate (41) and the second connecting plate (42) are provided with limiting grooves (402) matched with limiting bolts (5) for use, one side, close to the first connecting arm (1), of the second connecting arm (2) is provided with limiting screw grooves (201) matched with the limiting bolts (5) for use, and the limiting bolts (5) movably penetrate through the limiting grooves (402) and are in threaded connection with the limiting screw grooves (201).

3. A semitrailer towing device according to claim 1, characterised in that: and one sides of the first connecting plate (41) and the second connecting plate (42) close to the first connecting arm (1) are respectively provided with a fixing through groove (401) matched with the fixing bolt (6) for use, and the fixing bolt (6) movably penetrates through the fixing through groove (401) and the connecting ring sleeve (3) and is in threaded connection with the fixing nut (10).

4. A semitrailer towing device according to claim 1, characterised in that: the height of the connecting ring sleeve (3) is smaller than the distance between the first connecting plate (41) and the second connecting plate (42), and the inner diameter of the connecting ring sleeve (3) is larger than the middle size of the fixing bolt (6).

5. A semitrailer towing device according to claim 3, characterised in that: the supporting frame (8) is of a three-jaw structure, and the distance length from the connecting column (7) to any position of the positioning arc plate (9) is the same as the distance length from the rotating shaft (11) to the fixed through groove (401).