Lifting machine with tire limiting function

Abstract

The lifting machine with the tire limiting function comprises a base and is characterized in that a supporting column is fixed to the upper side of the base, the upper end of the supporting column is fixedly connected with a transverse rod, the two ends of the transverse rod are hinged to one ends of first connecting rods respectively, and the two sides of the other end of each first connecting rod are hinged to one ends of short rods respectively; the upper ends of each pair of short rods are hinged to the two sides of one end of a second connecting rod correspondingly, and the other end of each second connecting rod is hinged to the lower side of a supporting disc. The supporting disc is connected with a limiting assembly, the limiting assembly comprises a plurality of limiting columns, the lower end of each limiting column is fixedly connected with a sliding block, each sliding block is arranged in a sliding groove formed in the supporting disc, and the sliding grooves are evenly distributed in the circumference of the supporting disc. The utility model relates to the technical field of tire lifting, in particular to a lifting machine with a tire limiting function, which is convenient for limiting and lifting tires.

Description

Technical Field

[0001] The utility model relates to the technical field of tire lifting, and specifically, to a lifting machine with a tire limiting function. Background Art

[0002] The maintenance and replacement of tires are very important for tires. The traditional method of tire replacement usually requires manual removal of the tire from the vehicle, which not only has a high labor intensity but also low efficiency. To improve work efficiency, various tire lifting machines have emerged on the market, which can raise the tire to a certain height through a mechanical structure to facilitate the operation of maintenance personnel.

[0003] However, the existing tire lifting machines generally have some limitations, such as: complex operation, insufficient stability, limited support and limiting functions for tires, etc. These problems not only affect the efficiency of maintenance work but also may cause damage to the tires and even pose a threat to the safety of maintenance personnel. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a lifting machine with a tire limiting function to facilitate the limiting and lifting of tires.

[0005] A lifting machine with a tire limiting function includes a base. It is characterized in that: a support column is fixedly supported on the upper side of the base, the upper end of the support column is fixedly connected to a cross bar, one end of a first connecting rod is respectively hinged to both ends of the cross bar, one end of a short rod is respectively hinged to both sides of the other end of each first connecting rod, one end of a second connecting rod is respectively hinged to both sides of the upper end of each pair of short rods, and the other end of each second connecting rod is hinged to the lower side of a support disc;

[0006] The support disc is connected to a limiting component. The limiting component includes limiting columns. There are several limiting columns, and the lower end of each limiting column is respectively fixedly connected to a slider. Each slider is respectively arranged in a chute opened on the support disc, and the chutes are circumferentially and evenly arranged on the support disc;

[0007] A convex column is respectively fixedly connected to the lower side of each slider. Each convex column is respectively arranged in an inclined chute opened on a turntable. All the inclined chutes are circumferentially and evenly arranged on the turntable. The output shaft of a motor is fixedly connected to the center of the turntable, and the motor is fixed to the lower side of the support disc.

[0008] As a further limitation of this technical solution, the included angle between the inclined chute and the chute is degrees.

[0009] As a further limitation of this technical solution, each pair of short rods are respectively fixed to both ends of the two sides of a connecting block. The connecting block is a U-shaped block. One connecting block is fixed to the telescopic rod of an electric push rod, and the other connecting block is fixed to the end of the housing of the electric push rod.

[0010] As a further limitation of the present technical solution, a guiding column is fixed to the lower side of the supporting disc, the guiding column passes through the protruding arm, and the protruding arm fixes the cross bar.

[0011] As a further limitation of the present technical solution, a set of mounting holes are arranged on the base in a circumferentially uniformly distributed manner.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0013] (1) A stable support structure is formed by components such as the base, support column, cross bar, connecting rod, short rod, and supporting disc, improving the overall stability and load-bearing capacity of the lift.

[0014] (2) The design of the limiting component, including the limiting column, slider, sliding groove, convex column, inclined sliding groove, etc., realizes effective limiting and support for the inner and outer circles of the tire, preventing the tire from sliding or falling off during the lifting process.

[0015] (3) By using a stepping motor as the driving force and cooperating with the inclined sliding groove design of the turntable, the automatic movement of the limiting column is realized, facilitating the limiting of the tire. Description of the Drawings

[0016] The drawings described herein are used to provide a further understanding of the present application, form a part of the present application, and the schematic embodiments and descriptions thereof are used to explain the present application, without constituting an improper limitation to the present application. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0017] Figure 1 is a three-dimensional structure schematic diagram of the present utility model Figure 1 ;

[0018] Figure 2 is a three-dimensional structure schematic diagram of the present utility model Figure 2 ;

[0019] Figure 3 is a front view of the present utility model;

[0020] Figure 4 is a three-dimensional structure schematic diagram of the present utility model Figure 3 ;

[0021] Figure 5 is a top view of the present utility model.

[0022] In the figure: 1, support plate; 2, limit post; 3, chute; 4, connecting block; 5, short rod; 6, first connecting rod; 61, second connecting rod; 7, cross bar; 8, base; 9, mounting hole; 10, extending arm; 11, electric push rod; 12, slider; 13, convex post; 14, turntable; 16, inclined chute; 17, support column; 18, guiding post; 19, motor. Detailed implementation mode

[0023] The present utility model will be further described below in conjunction with the accompanying drawings and the implementation mode.

[0024] A lifting machine with a tire limiting function includes a base 8, and is characterized in that: a support column 17 is fixedly supported on the upper side of the base 8, the upper end of the support column 17 is fixedly connected to a cross bar 7, both ends of the cross bar 7 are respectively hinged to one end of a first connecting rod 6, both sides of the other end of each first connecting rod 6 are respectively hinged to one end of a short rod 5, both sides of one end of a second connecting rod 61 are respectively hinged to the upper ends of each pair of short rods 5, and the other end of each second connecting rod 61 is hinged to the lower side of a support plate 1;

[0025] The support plate 1 is connected with a limiting assembly, the limiting assembly includes limit posts 2, there are several limit posts 2 and the lower end of each limit post 2 is respectively fixedly connected to a slider 12, each slider 12 is respectively arranged in a chute 3 opened on the support plate 1, and the chutes 3 are evenly arranged in a circle on the support plate 1;

[0026] The lower side of each slider 12 is respectively fixedly connected to a convex post 13, each convex post 13 is respectively arranged in an inclined chute 16 opened on a turntable 14, all the inclined chutes 16 are evenly arranged in a circle on the turntable 14, the output shaft of a motor 19 is fixedly connected to the center of the turntable 14, and the motor 19 is fixed on the lower side of the support plate 1.

[0027] Each slider 12 is respectively penetrated by a guiding rod 20, each guiding rod 20 is respectively arranged in the chute 3, and each guiding rod 20 is respectively fixedly connected to the support plate 1.

[0028] The motor 19 is a stepping motor.

[0029] In this embodiment, by placing the tire on the support plate 1, the inner ring of the tire can surround all the limit posts 2, or the tire can be placed between the limit posts 2. By driving the turntable 14 to rotate through the motor 19, the inclined chute 16 of the turntable 14 moves, the inclined chute 16 drives the convex post 13 to move, the convex post 13 drives the slider 12 to move in the chute 3, so as to realize that the slider 12 drives the limit post 2 to move. When the limit post 2 is inside the inner ring of the tire, when the slider 12 drives the limit post 2 to move outwards, it can support the inner side of the tire to carry out limit support. When the limit post 2 is outside the tire, the limit post 2 moves inwards to clamp the outer side of the tire to carry out limit.

[0030] The included angle between the inclined chute 16 and the chute 3 is 30 degrees.

[0031] Each pair of the short rods 5 are respectively fixed to both end parts on the two sides of the connecting block 4. The connecting block 4 is a U-shaped block. One connecting block 4 is fixed to the telescopic rod of the electric push rod 11, and the other connecting block 4 is fixed to the end part of the housing of the electric push rod 11.

[0032] The guide post 18 is fixed to the lower side of the support disc 1. The guide post 18 passes through the extending arm 10, and the extending arm 10 is fixed to the cross bar 7.

[0033] In this embodiment, the telescopic movement of the telescopic rod of the electric push rod 11 can drive the connecting block 4 to move. The connecting block 4 drives the first connecting rod 6 and the second connecting rod 61 to swing through the short rods 5, so as to drive the lifting of the support disc 1. The support disc 1 drives the limiting assembly to lift, so as to realize the lifting of the tire. When the telescopic rod of the electric push rod 11 retracts, the support disc 1 rises; when the telescopic rod of the electric push rod 11 extends, the support disc 1 descends.

[0034] A group of mounting holes 9 which are arranged circumferentially and evenly are arranged on the base 8.

[0035] During use, after controlling the telescopic rod of the electric push rod 11 to extend to drive the support disc 1 to descend, place the tire on the support disc 1, select a suitable support mode, control the limiting assembly to limit the tire. After the limiting is completed, control the telescopic rod of the electric push rod 11 to retract to drive the support disc 1 to rise, so as to realize the limiting and lifting of the tire.

[0036] The specific embodiments of the present utility model disclosed above are only for illustration. However, the present utility model is not limited thereto. Any changes that can be thought of by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. A lifting machine with a tire limiting function, comprising a base (8), characterized in that: A support column (17) is fixed on the upper side of the base (8), the upper end of the support column (17) is fixedly connected to a cross bar (7), the two ends of the cross bar (7) are respectively hinged to one end of a connecting rod (6), the other end of each connecting rod (6) is respectively hinged to one end of a short rod (5), the upper end of each pair of short rods (5) is respectively hinged to one end of a connecting rod (61), and the other end of each connecting rod (61) is hinged to the lower side of the support plate (1); The support plate (1) is connected to a limiting assembly, the limiting assembly comprising a limiting column (2), the limiting columns (2) being a plurality of columns and the lower end of each limiting column (2) being fixedly connected to a sliding block (12), each sliding block (12) being arranged in a sliding groove (3) provided on the support plate (1), and the sliding grooves (3) being evenly arranged on the circumference of the support plate (1); The lower side of each slider (12) is respectively fixedly connected to a boss (13), and each boss (13) is respectively arranged in an inclined slide groove (16) provided on a turntable (14), and all the inclined slide grooves (16) are evenly arranged on the circumference of the turntable (14). The output shaft of a motor (19) is fixed at the center of the turntable (14), and the motor (19) is fixed on the lower side of the support plate (1).

2. A lift with tire limiting function according to claim 1, characterized in that: The angle between the inclined slide groove (16) and the slide groove (3) is 30 degrees.

3. A lift with tire limiting function according to claim 2, characterized in that: Each pair of short rods (5) is respectively fixed to the two side ends of a connecting block (4); the connecting block (4) is a U-shaped block; one connecting block (4) fixes the telescopic rod of the electric push rod (11); and the other connecting block (4) fixes the outer shell end of the electric push rod (11).

4. A lift with tire limiting function according to claim 3, characterized in that: A guide column (18) is fixed on the lower side of the support plate (1), the guide column (18) passes through the extension arm (10), and the extension arm (10) fixes the crossbar (7).

5. The tire limiter lift according to claim 1, characterized in that: The base (8) is provided with a group of mounting holes (9) evenly arranged around the circumference.

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