CN110202537B

CN110202537B - Safe car for maintaining automobile chassis

Info

Publication number: CN110202537B
Application number: CN201910481002.XA
Authority: CN
Inventors: 高方宇; 嵇敏强
Original assignee: Haian Jueja Machinery Technology Co ltd
Current assignee: Yuanfan Intelligent Equipment Jiangsu Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2021-02-09
Anticipated expiration: 2039-06-04
Also published as: CN110202537A

Abstract

The invention discloses an automobile chassis maintenance safety trolley. There is a liftable support column, the center of the rear end surface of the flat body is formed with a head support plate extending backward, the center of the bottom surface of the flat body is fixed with a bending mounting frame, and the front end surface of the vertical plate of the bending mounting frame is fixed with a The horizontal cylinder, the piston rod of which is connected to the downwardly extending vertical part of the front end of the sliding plate. The advantages of the present invention are: it has four liftable support columns, which can withstand the car around the human body to prevent the sudden drop of the car body, and the function of the cylinder can send the person out of the car bottom in a short time, Get out of the dangerous vehicle quickly and ensure the absolute safety of the personnel.

Description

Safe car for maintaining automobile chassis

Technical Field

The invention relates to the field of automobile maintenance equipment, in particular to a safety car for maintaining an automobile chassis.

Background art:

the most important link in automobile repair is the detection and maintenance of an automobile chassis which is not easy to observe, so that the automobile is often lifted for a certain distance by a crane in the repair process, then a worker lies on the bottom of the automobile again to be convenient to operate, potential safety hazards of the worker cannot be ignored due to the fact that the worker is located on the bottom of the automobile, the existing repair mode is that the worker directly lies on the bottom of the automobile or lies on a flat car to enter the bottom of the automobile, the two modes do not have a certain protection effect, and once an accident occurs, the consequence which cannot be estimated is often caused.

The invention content is as follows:

the invention aims to provide a safe car for maintaining an automobile chassis, which is provided with four liftable supporting columns, can support an automobile around a human body to prevent the sudden falling of the automobile body, can send people out of the automobile bottom in a short time by using the action of a cylinder, quickly separates from dangerous vehicles and ensures the absolute safety of the personnel.

The technical solution of the invention is as follows:

the utility model provides a chassis of automobile maintenance safety dolly, includes dull and stereotyped automobile body, its characterized in that: the top surface of the flat car body is movably provided with a sliding plate, four corners of the top surface of the flat car body are respectively provided with the same fixing sleeve, a liftable supporting column is arranged in each fixing sleeve, a head supporting plate extending backwards is formed in the center of the rear end face of the flat car body, and a bending mounting frame is fixed in the center of the bottom surface of the flat car body.

Preferably, a pair of storage frames is arranged on the left side and the right side of the top surface of the platform body, and storage grooves with different shapes are formed in the top surface of each storage frame.

Preferably, a first button for controlling the sliding plate to move and a second button for controlling the supporting column to ascend and descend are arranged on the outer side wall of one of the object placing frames, and a binding band is arranged on the outer side wall of the other object placing frame.

As the optimization of the technical scheme, the top surface of the head supporting plate is provided with a head spongy cushion, a movable rotating rod is arranged on the rear side of the head spongy cushion, and a transparent protective cover is fixed at the top end of the rotating rod.

Preferably, each of the front and rear ends of the fixed sleeve is provided with a pair of sliding through grooves, the sliding block is slidably arranged in the fixed sleeve, a pair of extending protrusions at the front and rear ends of the sliding block are slidably arranged in the sliding through grooves, the supporting columns are fixed on the top surface of the sliding block, the top surface of the platform body is positioned under each fixed sleeve, a mounting through hole is formed in the mounting through hole, a bearing is fixed in the mounting through hole, the upper end of the transmission screw is screwed in the sliding block and the supporting columns, the lower end of the transmission screw penetrates through the bearing and extends out of the bottom surface of the platform body downwards and is connected with a transmission gear, the top surface of the bottom plate of the bending mounting frame is fixed with a driving motor, a driving main gear is arranged on an output.

Preferably, the bottom surfaces of the extending protrusions at the front and rear ends of the sliding blocks in the two fixed sleeves at the front end of the platform body are respectively provided with a clamping shaft and an infrared receiver, the clamping shafts are inserted into a pair of clamping holes formed at the left and right ends of the sliding plate, and an infrared emitter is arranged on the top surface of the platform body and right below the infrared receiver.

Preferably, as for the technical scheme, a pair of slide rail grooves is formed in the top surface of the platform body, two rows of rollers arranged on the bottom surface of the sliding plate are arranged in the corresponding slide rail grooves in a rolling manner, a pair of front rollers are arranged on a vertical part extending downwards and arranged at the front end of the sliding plate, a horizontal cylinder is fixed on the front end surface of the vertical plate of the bending mounting frame, a piston rod of the horizontal cylinder is connected to the vertical part extending downwards and arranged at the front end of the sliding plate, a pull rod is connected between the bottom surface of the platform body and the horizontal cylinder, and a body sponge cushion is fixed on the top surface of the sliding plate.

Preferably, a locking cylinder is fixed on the top surface of the bottom plate of the bending mounting frame, and a piston rod of the locking cylinder penetrates through the bottom plate of the bending mounting frame and is connected with a locking sucker.

Preferably, the bottom plate of the platform body is provided with road wheels.

Preferably, a supporting rubber plate is arranged at the top end of the supporting column.

The invention has the beneficial effects that: it has the support column of four liftable, can withhold the car around the human body, prevents the proruption situation that the automobile body descends suddenly, utilizes the effect of cylinder can send the vehicle bottom out the people in the short time moreover, breaks away from dangerous vehicle rapidly, ensures personnel's absolute safety.

Description of the drawings:

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a bottom three-dimensional perspective view of the present invention;

fig. 4 is a left side view of the present invention.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the safety car for maintaining the automobile chassis comprises a flat car body 1, wherein a sliding plate 2 is movably arranged on the top surface of the flat car body 1, the same fixing sleeves 3 are respectively arranged at four corners of the top surface of the flat car body 1, a lifting support column 32 is arranged in each fixing sleeve 3, a head support plate 11 extending backwards is formed in the center of the rear end face of the flat car body 1, and a bending mounting frame 17 is fixed at the center of the bottom face of the flat car body 1.

Further, a pair of storage frames 14 is arranged on the left and right sides of the top surface of the platform body 1, and storage grooves 141 with different shapes are arranged on the top surface of the storage frames 14.

Furthermore, a first button 142 for controlling the sliding plate 2 to move and a second button 143 for controlling the supporting post 32 to move up and down are disposed on the outer side wall of one of the storage frames 14, and a binding band 144 is disposed on the outer side wall of the other storage frame 14.

Further, the top surface of the head supporting plate 11 is provided with a head sponge cushion 111, a movable rotating rod 12 is arranged on the rear side of the head sponge cushion 111, and a transparent protective cover 13 is fixed on the top end of the rotating rod 12.

Further, a pair of sliding through grooves 301 are formed at the front and rear ends of each fixing sleeve 3, the sliding block 31 is slidably disposed in the fixing sleeve 3, a pair of extending protrusions formed at the front and rear ends of the sliding block 31 is slidably disposed in the sliding through grooves 301, the supporting posts 32 are fixed on the top surface of the sliding block 31, the top surface of the flat car body 1 is provided with an installation through hole 15 under each fixed sleeve 3, a bearing 34 is fixed in the installation through hole 15, the upper end part of a transmission screw 33 is screwed in the sliding block 31 and the supporting column 32, the lower end of the drive screw 33 passes through the bearing 34 and extends downwards out of the bottom surface of the platform body 1 and is connected with a drive gear 35, a driving motor 43 is fixed on the top surface of the bottom plate of the bending mounting frame 17, a driving main gear 44 is arranged on an output shaft of the driving motor 43, and the four transmission gears 35 are connected with the driving main gear 44 through a transmission chain 36.

Further, the bottom surfaces of the extending protrusions at the front and rear ends of the sliding blocks 31 in the two fixing sleeves 3 at the front end of the platform body 1 are respectively provided with a clamping shaft 311 and an infrared receiver 51, the clamping shafts 311 are inserted into a pair of clamping holes 23 provided at the left and right ends of the sliding plate 2, and the infrared emitter 5 is arranged on the top surface of the platform body 1 and right below the infrared receiver 51.

Further, a pair of slide rail grooves 16 is arranged on the top surface of the platform body 1, two rows of rollers arranged on the bottom surface of the slide plate 2 are arranged in the corresponding slide rail grooves 16 in a rolling manner, a pair of front rollers 21 is arranged on a vertical part extending downwards and arranged at the front end of the slide plate 2, a horizontal cylinder 41 is fixed on the front end surface of the vertical plate of the bending mounting frame 17, a piston rod of the horizontal cylinder 41 is connected to the vertical part extending downwards and arranged at the front end of the slide plate 2, a pull rod 42 is connected between the bottom surface of the platform body 1 and the horizontal cylinder 41, and a body sponge cushion 22 is fixed on the top surface of the slide plate 2.

Furthermore, a locking cylinder 45 is fixed on the top surface of the bottom plate of the bending mounting frame 17, and a piston rod of the locking cylinder 45 penetrates through the bottom plate of the bending mounting frame 17 and is connected with a locking sucker 46.

Furthermore, the bottom plate of the platform body 1 is provided with road wheels 18.

Further, a supporting rubber plate 321 is disposed at the top end of the supporting column 32.

The working principle of the invention is as follows:

1. when a maintenance person lies on the sliding plate 2 and enters the vehicle bottom for maintenance, the driving motor 43 is started through the second button 143, the driving main gear 44 drives the transmission chain 36 to rotate, the transmission chain 36 drives the four transmission gears 35 to rotate, the transmission screw 33 rotates, the sliding block 31 ascends under the rotation of the transmission screw 33 until the supporting rubber plate 321 abuts against the vehicle bottom, at this time, the four supporting columns 32 complete the supporting function, then the locking air cylinder 45 is started, the locking suction cup 46 descends and adsorbs on the ground, the fixing of the platform body 1 on the ground is completed, and the platform body 1 has reliable stability due to two stresses because the upper part of the platform body 1 is limited by the abutting of the supporting columns 32 and the lower part is limited by the pressing of the locking suction cup 46;

2. when an emergency situation occurs, for example, the crane cannot support the automobile, the horizontal cylinder 41 is started through the first button 142, the piston rod of the horizontal cylinder 41 rapidly extends to push the sliding plate 2 out of the automobile bottom, and then the worker can quickly climb out.

The engagement of the latch 311 with the latch hole 23 of the slide plate 2 is to make the slide plate 2 engage with the platform body 1 when the support column 32 is not used, which is equivalent to a whole and is convenient for moving, and in addition, when the infrared receiver 51 senses that the distance of the infrared emitter 5 is short, for example, the latch 311 is inserted in the latch hole 23, the first button 142 is in an inactive state and cannot activate the horizontal cylinder 41, thereby preventing the horizontal cylinder 41 from being damaged, and once the support column 32 performs the supporting function, which means that the slide block 31 is lifted up, the latch 311 is disengaged from the latch hole 23, so the first button 142 returns to an activated state.

Claims

1. An automobile chassis maintenance safety trolley, comprising a flat body (1), characterized in that: the top surface of the flat body (1) is movably provided with a sliding plate (2), and the top surface of the flat body (1) has four The angular positions are respectively provided with the same fixing sleeves (3), the fixing sleeves (3) are provided with support columns (32) that can be lifted and lowered, and a rearwardly extending head support is formed in the center of the rear end surface of the flat body (1). a plate (11), a bending mounting bracket (17) is fixed at the center of the bottom surface of the flat body (1);

A pair of storage frames (14) are provided on the left and right sides of the top surface of the flat body (1), and the top surface of the storage frame (14) is provided with storage grooves (141) of different shapes;

A first button (142) for controlling the movement of the sliding plate (2) and a second button (143) for controlling the lifting and lowering of the support column (32) are provided on the outer side wall of one of the storage frames (14). A strap (144) is provided on the outer side wall of the frame (14);

The top surface of the head support plate (11) is provided with a head sponge pad (111), and a movable rotating rod (12) is arranged on the rear side of the head sponge pad (111). The rotating rod (12) A transparent protective cover (13) is fixed at the top of the hood;

The front and rear ends of each of the fixing sleeves (3) are provided with a pair of sliding through grooves (301), the sliding blocks (31) are slidably arranged in the fixing sleeves (3), and A pair of extension protrusions are slidably arranged in the sliding through grooves (301), the support columns (32) are fixed on the top surface of the sliding block (31), and the top surface of the flat body (1) is located on each fixing sleeve (3). ) is provided with an installation through hole (15), a bearing (34) is fixed in the installation through hole (15), and the upper end of the drive screw (33) is screwed into the sliding block (31) and the support column (32) , the lower end of the drive screw (33) passes through the bearing (34) and extends downward from the bottom surface of the flat body (1) and is connected with a drive gear (35), and the top surface of the bottom plate of the bending mounting bracket (17) is fixed with a drive The motor (43), the output shaft of the driving motor (43) is provided with a driving main gear (44), and the four transmission gears (35) and the driving main gear (44) are connected by a transmission chain (36) ;

The bottom surfaces of the extended protrusions at the front and rear ends of the sliding blocks (31) in the two fixed sleeves (3) located at the front end of the flat body (1) are respectively provided with a clamping shaft (311) and an infrared receiver (51) ), the clamping shaft (311) is inserted into a pair of clamping holes (23) provided at the left and right ends of the sliding plate (2), and the top surface of the flat body (1) is facing the infrared receiver (51). ) is provided with an infrared transmitter (5) directly below;

A pair of sliding rail grooves (16) are provided on the top surface of the flat body (1), and two rows of rollers provided on the bottom surface of the sliding plate (2) are rollingly arranged in the corresponding sliding rail grooves (16). A pair of front rollers (21) are provided on the downwardly extending vertical part of the front end of (2), and a horizontal cylinder (41) is fixed on the front end surface of the vertical plate of the bending mounting bracket (17). The piston rod of (41) is connected to the downwardly extending vertical part of the front end of the sliding plate (2), and a tie rod (42) is connected between the bottom surface of the flat body (1) and the horizontal cylinder (41). , a body sponge pad (22) is fixed on the top surface of the sliding plate (2);

A locking cylinder (45) is fixed on the top surface of the bottom plate of the bending mounting frame (17), and the piston rod of the locking cylinder (45) passes through the bottom plate of the bending mounting frame (17) and is connected with a locking suction cup (46). );

The bottom plate of the flat body (1) is provided with a traveling wheel (18);

The top end of the support column (32) is provided with a support rubber plate (321).