CN212952690U

CN212952690U - Bidirectional walking trolley

Info

Publication number: CN212952690U
Application number: CN202021687196.3U
Authority: CN
Inventors: 徐田; 刘兴峰; 李文英; 刘方杰
Original assignee: Shandong Hengkun Machinery Co ltd; Shandong Jiaotong University
Current assignee: Shandong Hengkun Machinery Co ltd; Shandong Jiaotong University
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-13
Anticipated expiration: 2030-08-14

Abstract

When the trolley travels longitudinally along the longitudinal moving track, the oscillating wheel shaft driving mechanism drives the oscillating wheel shaft to move to the lowest end along the arc-shaped track, and the longitudinal moving rollers rotatably mounted at the front end and the rear end of the oscillating wheel shaft are in rolling contact with the longitudinal moving track at the same side, so that the trolley travels along the longitudinal moving track. When the trolley moves to the joint of the longitudinal moving track and the transverse moving track, the swinging wheel shaft driving mechanism drives the swinging wheel shaft to move to the uppermost end along the arc-shaped track, at the moment, after the longitudinal moving roller moves upwards to the upper part of the transverse moving roller, the transverse moving roller is contacted with the transverse moving track after the trolley integrally moves downwards, and at the moment, the trolley can travel along the transverse moving track. The switching between longitudinal movement and transverse movement of the trolley is realized, the transverse movement walking and the longitudinal movement walking can be met, and the purpose of bidirectional walking of the trolley is realized.

Description

Bidirectional walking trolley

Technical Field

The utility model relates to a gantry crane walking platform truck technical field, concretely relates to two-way walking platform truck.

Background

At present, a travelling trolley of a gantry crane or a steel wheel trolley which needs to travel along a fixed track can only travel along the track in the travelling process, for example, the trolley can only travel along the longitudinal direction when the track is longitudinally arranged, and the trolley can only travel along the transverse direction when the track is transversely arranged, so that the movement in the direction vertical to the track cannot be realized.

Disclosure of Invention

The utility model provides a two-way walking trolley which can realize the original place reversing, namely can walk along a transverse track and also can walk along a longitudinal track, in order to overcome the defects of the prior art.

The utility model overcomes the technical scheme that its technical problem adopted is:

a two-way travel trolley comprising:

the two longitudinal moving rails are parallel to each other and are longitudinally and horizontally arranged along the left and right directions;

the two transverse moving rails are parallel to each other and horizontally arranged in the front-back direction, the two transverse moving rails are positioned between the two longitudinal moving rails, and the transverse moving rails are vertically connected with the longitudinal moving rails;

the left end and the right end of the box body are respectively provided with a transverse moving roller in a rotating way through a wheel shaft;

arc-shaped arc tracks are respectively arranged at the front end and the rear end of the box body, the swinging wheel shaft is arranged in the arc tracks in a sliding manner, and longitudinal moving rollers are respectively rotatably arranged at the front end and the rear end of the swinging wheel shaft; and

the swinging wheel shaft driving mechanism is arranged in the box body and used for driving the swinging wheel shaft to slide along the arc-shaped track, when the swinging wheel shaft is positioned at the lowest end of the arc-shaped track, the longitudinal moving roller is in rolling contact with the longitudinal moving track, the lower end of the transverse moving roller is positioned above the lower end of the longitudinal moving roller, when the swinging wheel shaft is positioned at the uppermost end of the arc-shaped track, the transverse moving roller is in rolling contact with the transverse moving track, and the lower end of the transverse moving roller is positioned below the lower end of the longitudinal moving roller.

Furthermore, above-mentioned oscillating wheel axle actuating mechanism includes the hydro-cylinder, the middle part of hydro-cylinder is connected with the box is articulated through round pin axle I, be provided with the pivot along the fore-and-aft direction level in the box, the corner position of the swing arm that is L shape rotates and installs in the pivot, the one end of swing arm is connected with the piston rod head end of hydro-cylinder is articulated through round pin axle II, the other end and the oscillating wheel axle of swing arm are connected, the axle center of pivot and the orbital centre of a circle of arc are the same heart, when the piston rod of hydro-cylinder is whole to be withdrawn, the oscillating wheel axle is located the orbital bottommost of arc, when the piston rod of hydro-cylinder is whole to be stretched out.

The utility model has the advantages that: when the trolley travels longitudinally along the longitudinal moving track, the swinging wheel shaft driving mechanism drives the swinging wheel shaft to move to the lowest end along the arc-shaped track, and the longitudinal moving rollers rotatably arranged at the front end and the rear end of the swinging wheel shaft are in rolling contact with the longitudinal moving track at the same side, so that the trolley travels along the longitudinal moving track. When the trolley moves to the joint of the longitudinal moving track and the transverse moving track, the swinging wheel shaft driving mechanism drives the swinging wheel shaft to move to the uppermost end along the arc-shaped track, at the moment, after the longitudinal moving roller moves upwards to the upper part of the transverse moving roller, the transverse moving roller is contacted with the transverse moving track after the trolley integrally moves downwards, and at the moment, the trolley can travel along the transverse moving track. The switching between longitudinal movement and transverse movement of the trolley is realized, the transverse movement walking and the longitudinal movement walking can be met, and the purpose of bidirectional walking of the trolley is realized.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the contact state of the traverse roller and the traverse rail according to the present invention;

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

in the figure, 1, a box body 2, a wheel shaft 3, a transverse moving roller 4, a longitudinal moving rail 5, a transverse moving rail 6, an arc rail 7, a swinging wheel shaft 8, a longitudinal moving roller 9, an oil cylinder 10, a pin shaft I11, a pin shaft II 12, a swinging arm 13 and a rotating shaft.

Detailed Description

The present invention will be further explained with reference to fig. 1, fig. 2 and fig. 3.

A two-way travel trolley comprising: two longitudinal movement rails 4 which are parallel to each other and are longitudinally and horizontally arranged along the left-right direction; the two transverse moving rails 5 are parallel to each other and horizontally arranged in the front-back direction, the two transverse moving rails 5 are positioned between the two longitudinal moving rails 4, and the transverse moving rails 5 are vertically connected with the longitudinal moving rails 4; the left end and the right end of the box body 1 are respectively provided with a transverse moving roller 3 in a rotating way through a wheel shaft 2; the front end and the rear end of the box body 1 are respectively provided with an arc-shaped arc track 6, an oscillating wheel shaft 7 is arranged in the arc track 6 in a sliding manner, and the front end and the rear end of the oscillating wheel shaft 7 are respectively provided with a longitudinal moving roller 8 in a rotating manner; and the swinging wheel shaft driving mechanism is arranged in the box body 1 and used for driving the swinging wheel shaft 7 to slide along the arc-shaped track 6, when the swinging wheel shaft 7 is positioned at the lowest end of the arc-shaped track 6, the longitudinal moving roller 8 is in rolling contact with the longitudinal moving track 4, the lower end of the transverse moving roller 3 is positioned above the lower end of the longitudinal moving roller 8, when the swinging wheel shaft 7 is positioned at the highest end of the arc-shaped track 6, the transverse moving roller 3 is in rolling contact with the transverse moving track 5, and the lower end of the transverse moving roller 3 is positioned below the lower end of the longitudinal moving roller 8. When the trolley travels longitudinally along the longitudinal moving track 4, the swinging wheel shaft driving mechanism drives the swinging wheel shaft 7 to move to the lowest end along the arc-shaped track 6, and the longitudinal moving rollers 8 rotatably arranged at the front end and the rear end of the swinging wheel shaft 7 are in rolling contact with the longitudinal moving track 4 on the same side, so that the trolley travels along the longitudinal moving track 4. When the trolley moves to the joint of the longitudinal moving track 4 and the transverse moving track 5, the swinging wheel shaft driving mechanism drives the swinging wheel shaft 7 to move to the uppermost end along the arc-shaped track 6, at the moment, after the longitudinal moving roller 8 moves upwards to the upper part of the transverse moving roller 3, the trolley integrally moves downwards, the transverse moving roller 3 is contacted with the transverse moving track 5, and at the moment, the trolley can travel along the transverse moving track 5. The switching between longitudinal movement and transverse movement of the trolley is realized, the transverse movement walking and the longitudinal movement walking can be met, and the purpose of bidirectional walking of the trolley is realized.

The swing wheel shaft driving mechanism can be of a structure comprising an oil cylinder 9, the middle part of the oil cylinder 9 is hinged with a box body 1 through a pin shaft I10, a rotating shaft 13 is horizontally arranged in the box body 1 along the front-back direction, the corner part of an L-shaped swing arm 12 is rotatably installed on the rotating shaft 13, one end of the swing arm 12 is hinged with the head end of a piston rod of the oil cylinder 9 through a pin shaft II 11, the other end of the swing arm 12 is connected with a swing wheel shaft 7, the axis of the rotating shaft 13 is concentric with the circle center of the arc-shaped track 6, when the piston rod of the oil cylinder 9 is completely retracted, the swing wheel shaft 7 is located at the lowest end of the arc-shaped track 6, and when the piston rod of the oil cylinder 9 is completely extended, the swing. The swing wheel shaft 7 is driven to move along the arc-shaped track 6 through the oil cylinder 9, and the structure is simple.

Claims

1. A two-way traveling carriage characterized by comprising:

two longitudinal movement rails (4) which are parallel to each other and are longitudinally and horizontally arranged along the left and right direction;

the two transverse moving rails (5) are parallel to each other and horizontally arranged in the front-back direction, the two transverse moving rails (5) are positioned between the two longitudinal moving rails (4), and the transverse moving rails (5) are vertically connected with the longitudinal moving rails (4);

the left end and the right end of the box body (1) are respectively and rotatably provided with a transverse moving roller (3) through a wheel shaft (2);

arc-shaped rails (6) are respectively arranged at the front end and the rear end of the box body (1), the swinging wheel shaft (7) is slidably arranged in the arc-shaped rails (6), and longitudinal moving rollers (8) are respectively rotatably arranged at the front end and the rear end of the swinging wheel shaft (7); and

the swing wheel shaft driving mechanism is arranged in the box body (1) and used for driving a swing wheel shaft (7) to slide along the arc-shaped track (6), when the swing wheel shaft (7) is positioned at the lowest end of the arc-shaped track (6), the longitudinal moving roller (8) is in rolling contact with the longitudinal moving track (4), the lower end of the transverse moving roller (3) is positioned above the lower end of the longitudinal moving roller (8), when the swing wheel shaft (7) is positioned at the uppermost end of the arc-shaped track (6), the transverse moving roller (3) is in rolling contact with the transverse moving track (5), and the lower end of the transverse moving roller (3) is positioned below the lower end of the longitudinal moving roller (8).

2. The two-way travel carriage of claim 1, characterized in that: the swing wheel shaft driving mechanism comprises an oil cylinder (9), the middle of the oil cylinder (9) is hinged to a box body (1) through a pin shaft I (10), a rotating shaft (13) is horizontally arranged in the box body (1) along the front-back direction, the corner part of an L-shaped swing arm (12) is rotatably installed on the rotating shaft (13), one end of the swing arm (12) is hinged to the head end of a piston rod of the oil cylinder (9) through a pin shaft II (11), the other end of the swing arm (12) is connected with a swing wheel shaft (7), the axis of the rotating shaft (13) is the same as the center of a circle of the arc-shaped track (6), when the piston rod of the oil cylinder (9) is completely retracted, the swing wheel shaft (7) is located at the lowest end of the arc-shaped track (6), and when the piston rod of the oil cylinder (9) is completely extended out, the swing wheel shaft (7) is.