CN220642504U - Anti-falling double-column type automobile lifter - Google Patents

Abstract

The utility model provides an anti-falling double-column type automobile lifter, which comprises a base, two vertical columns and a control box, wherein the base is provided with a plurality of vertical columns; the base is fixed on the ground, the two vertical posts are vertically arranged and fixedly connected with the two ends of the base; each upright post is provided with a lifting seat, a lifting assembly and a lifting motor; two supporting arms are arranged on each lifting seat; a supporting block is arranged above the end part of each supporting arm, a pressure sensor is arranged on each supporting block, four pressure sensors are connected with a control box, and the control box is simultaneously connected with two lifting motors. The beneficial effects of the utility model are as follows: the device includes four supporting shoe that are used for bearing the car, is equipped with a pressure sensor on every supporting shoe, and four pressure sensor all link to each other with the control box of the device, and whether the control box can be according to four pressure sensor sensing pressure values judgement car lift state is unusual, when the car lift state is unusual, control box control elevator motor locking prevents that the car from falling, avoids the car to fall to appear hurting the people accident.

Description

Anti-falling double-column type automobile lifter

Technical Field

The utility model relates to the technical field of automobile overhaul equipment, in particular to an anti-falling double-column type automobile lifter.

Background

The double-column type automobile lifter is equipment for lifting an automobile in an automobile maintenance process, the automobile stops to a specific position right below the lifter according to requirements, a worker adjusts the lengths of four supporting arms, a cushion block at the supporting arm end is fixed with the bottom of the automobile, and then the worker operates a lifting button to lift the automobile to a certain height, so that the automobile is convenient to maintain. The lifting machine is necessary equipment for automobile repair and maintenance operation, and the lifting machine is equipped in the existing repair factories.

However, at present, the double-column automobile lifter equipment has huge potential safety hazards, the existing double-column lifter often has automobile falling accidents caused by equipment faults or improper operation, and the accidents of casualties caused by automobile falling are not few.

Disclosure of Invention

In view of the above, the utility model provides an anti-falling double-column type automobile lifter, which comprises a base, two vertical columns and a control box;

the base is fixed on the ground, the two upright posts are vertically arranged, and the lower ends of the two upright posts are respectively and fixedly connected to the two ends of the base;

each upright post is provided with a lifting seat, a lifting assembly and a lifting motor, the lifting motor is fixed on the upright post, the lifting seat is arranged on the upright post in a lifting manner, the lifting motor is connected with the lifting seat through the lifting assembly, and the lifting motor drives the lifting seat to lift along the upright post through the lifting assembly;

two supporting arms are arranged on each lifting seat. A supporting block is arranged above the end part of each supporting arm, a pressure sensor is arranged on each supporting block, four pressure sensors are connected with the control box, and the control box is simultaneously connected with two lifting motors.

Further, the lifting assembly comprises a lifting screw rod, a driven sprocket and a driving chain, wherein the lifting screw rod is vertically and rotatably arranged in the upright post, a lifting threaded hole is formed in the lifting seat, and the lifting screw rod penetrates through the lifting threaded hole to be in threaded fit with the lifting seat; the driven sprocket set up in the stand top, be equipped with driving sprocket on the elevator motor output shaft, driving sprocket with driven sprocket passes through drive chain and links to each other.

Further, the tail of the lifting seat is provided with a limiting sliding block, a limiting sliding groove is arranged in the upright post, and the limiting sliding block is slidably arranged in the limiting sliding groove.

Further, a protective cover is arranged at the upper end of each upright post, and covers the driving chain wheel, the driven chain wheel and the driving chain.

Further, a buzzer and a display screen are also arranged on the control box.

Further, the supporting block is a round block, a connecting screw rod is arranged at the lower end of the supporting block, and the supporting block is connected to the bracket arm through the connecting screw rod in a threaded mode.

Further, the support block is also provided with a rubber anti-slip pad.

Further, the end parts of the supporting arms are rotatably connected to the lifting seat.

The anti-falling double-column type automobile lifter has the beneficial effects that: the device includes four supporting shoe that are used for bearing the car, is equipped with a pressure sensor on every supporting shoe, and four pressure sensor all link to each other with the control box of the device, and whether the control box can be according to four pressure sensor sensing pressure values judgement car lift state, when the car lift state is unusual, control box control elevator motor locking prevents that the car from falling, avoids the car to fall to appear hurting the people accident.

Drawings

Fig. 1 is a perspective structural view of a fall protection double column type automobile lifter according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a lifting assembly of a fall-preventing double-column type automobile lifter according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a support block of a fall-preventing twin-column car lifter according to an embodiment of the present utility model.

Fig. 4 is a control schematic diagram of the anti-falling double-column type automobile lifter in the working process according to the embodiment of the utility model.

In the above figures: the lifting device comprises a 1-base, a 2-upright post, a 21-protective cover, a 22-limiting chute, a 3-lifting motor, a 31-driving sprocket, a 4-lifting seat, a 41-limiting slider, a 42-lifting screw, a 43-driven sprocket, a 5-bracket arm, a 6-supporting block, a 61-connecting screw, a 62-anti-slip pad, a 63-pressure sensor, a 64-connecting slip ring, a 7-control box and a 71-buzzer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, a fall-preventing twin-column type car lifter comprises a base 1, two columns 2 and a control box 7.

The base 1 is fixed on the ground, the two upright posts 2 are vertically arranged, and the lower ends of the two upright posts 2 are respectively and fixedly connected to the two ends of the base 1; each upright post 2 is provided with a lifting seat 4, a lifting assembly and a lifting motor 3, the lifting motor 3 is fixed on the upright post 2, the lifting seat 4 is arranged on the upright post 2 in a lifting manner, the lifting motor 3 is connected with the lifting seat 4 through the lifting assembly, and the lifting motor 3 drives the lifting seat 4 to lift along the upright post through the lifting assembly.

Specifically, the lifting assembly comprises a lifting screw rod 42, a driven sprocket 43 and a driving chain (the driving chain is not shown in the figure), the lifting screw rod 42 is vertically and rotatably arranged in the upright 1, a limit sliding block 41 is arranged at the tail part of the lifting seat 4, a lifting threaded hole is formed in the limit sliding block 41, a limit sliding groove 22 is formed in the inner wall of the upright 2, the limit sliding block 41 is slidably arranged in the limit sliding groove 22, and the lifting screw rod 42 passes through the lifting threaded hole to be in threaded fit with the lifting seat 4; the driven sprocket 43 set up in the lift screw 42 top, be equipped with driving sprocket 31 on the output shaft of elevator motor 3, driving sprocket 31 with driven sprocket 43 links to each other through the drive chain, and elevator motor 3 drives lift screw 42 rotation and can drive lift seat 4 along stand 2 and go up and down. The driven sprocket 43 and the driving sprocket 31 of the lifting assembly are connected by a driving chain, so that the problem that the lifting seat 4 automatically slides down due to the fact that the traditional driving belt is easy to slide can be avoided.

Two supporting arms 5 are arranged on each lifting seat 4, the end parts of the supporting arms 5 are rotatably connected to the lifting seats 4, a supporting block 6 is arranged above the end part, which is not connected to the lifting seats 4, of each supporting arm 5, a pressure sensor 63 is arranged on each supporting block 6, four pressure sensors 63 are connected with the control box 7, and the control box 7 is simultaneously connected with two lifting motors 3; the control box 7 is internally provided with a control chip and a circuit, the control box 7 is also provided with a display, a buzzer 71 and a control button, the control circuit in the control box 7 can control the lifting and locking of the lifting motor 3, the control chip in the control box 7 can judge whether the automobile bearing condition is abnormal according to the pressure difference sensed by the pressure sensor 63, the lifting motor 3 is controlled to be locked when the automobile bearing condition is abnormal, and an early warning alarm is sent out through the buzzer 71.

Further, the supporting block 6 is a circular block, the lower end of the circular block is provided with a connecting screw 61, and the supporting block 6 is connected to the bracket arm 5 through the connecting screw 61 in a threaded manner. The support block 6 is also provided with a rubber anti-slip pad 62, the anti-slip pad 62 is annularly arranged at the edge of the support block 6, a connecting slip ring 64 is arranged below each supporting arm 5, and the connecting slip ring 64 ensures that the pressure sensor 63 is not wound when being connected with the control box 7 through a lead.

Further, a protective cover 21 is provided at the upper end of each upright 2, and the protective cover 21 covers the driving sprocket 31, the driven sprocket 43 and the driving chain.

The utility model relates to a working process of an anti-falling double-column type automobile lifter, which comprises the following steps: the automobile runs between the two posts 2; the maintenance personnel manually rotates the supporting arms 5 on the lifting seat 4, so that the two supporting arms on the same lifting seat 4 form an included angle of 30-75 degrees; pressing a control button on the control box 7 to control the rotation of the two lifting motors 3, wherein the lifting motors 3 drive the lifting seat 4 and the supporting arms 5 to ascend through the lifting assembly, and the supporting blocks 6 at the end parts of the four supporting arms 5 support the chassis of the automobile to ascend; until the automobile rises to the designated height, the lifting motor 3 stops rotating, so that the automobile keeps the height; in the above process, the pressure sensors 63 on the four supporting blocks 6 sense the pressure of the chassis of the automobile in real time and transmit the pressure signals to the control box 7, the control box 7 compares the pressure signals transmitted to the four pressure sensors 63 in real time, when the pressure value difference value of the four pressure signals exceeds a set threshold value, the supporting block 6 is indicated to be abnormally supported, at the moment, the control box 7 controls the two lifting motors 3 to be locked, controls the buzzer 71 to give out an early warning alarm, reminds maintenance personnel that the automobile has a falling risk, and can work after the abnormal points are eliminated.

The vast majority of reasons for the falling of the existing double-column type automobile lifter are as follows: (1) Before the vehicle is lifted, maintenance personnel do not move the supporting arm to an accurate position correctly as required, so that an accident caused by unstable supporting points of the supporting arm is caused;

(2) After lifting the automobile, a maintainer does not operate properly (for example, the maintainer applies excessive force to the chassis of the automobile), so that the automobile slides off.

The supporting points of the supporting arms are stressed unevenly under the two conditions before the automobile falls, so that the problem can be effectively avoided by the solution provided by the utility model, and the purposes of preventing the automobile from falling, ensuring that maintenance personnel can leave a working position in time and avoiding personal injury accidents caused by the falling of the automobile are achieved.

In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.

The embodiments described above and features of the embodiments herein may be combined with each other without conflict.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (3)

1. The utility model provides a dropproof double column formula car lifts machine which characterized in that: comprises a base, two vertical columns and a control box;

the base is fixed on the ground, the two upright posts are vertically arranged, and the lower ends of the two upright posts are respectively and fixedly connected to the two ends of the base;

each upright post is provided with a lifting seat, a lifting assembly and a lifting motor, the lifting motor is fixed on the upright post, the lifting seat is arranged on the upright post in a lifting manner, the lifting motor is connected with the lifting seat through the lifting assembly, and the lifting motor drives the lifting seat to lift along the upright post through the lifting assembly;

two supporting arms are arranged on each lifting seat; a supporting block is arranged above the end part of each supporting arm, each supporting block is provided with a pressure sensor, four pressure sensors are connected with the control box, and the control box is simultaneously connected with two lifting motors;

the lifting machine comprises a lifting assembly, a lifting screw rod, a driven sprocket and a driving chain, wherein the lifting screw rod is vertically and rotatably arranged in a stand column, a lifting threaded hole is formed in a lifting seat, and the lifting screw rod penetrates through the lifting threaded hole to be in threaded fit with the lifting seat; the driven sprocket is arranged at the top of the upright post, the output shaft of the lifting motor is provided with a driving sprocket, and the driving sprocket is connected with the driven sprocket through a driving chain;

the upper end of each upright post is provided with a protective cover which covers the driving sprocket, the driven sprocket and the driving chain;

the control box is also provided with a buzzer and a display screen;

the supporting block is a round block, the lower end of the supporting block is provided with a connecting screw rod, and the supporting block is connected to the bracket arm through the connecting screw rod in a threaded manner;

and the support block is also provided with a rubber anti-skid pad.

2. The anti-fall twin column car lift of claim 1, wherein: the lifting seat tail is provided with a limiting slide block, a limiting slide groove is arranged in the upright post, and the limiting slide block is slidably arranged in the limiting slide groove.

3. The anti-fall twin column car lift of claim 1, wherein: the end parts of the supporting arms are rotatably connected to the lifting seat.