CN216997475U

CN216997475U - Pneumatic unlocking device for vehicle lifting machine

Info

Publication number: CN216997475U
Application number: CN202220939159.XU
Authority: CN
Inventors: 毛云峰; 虞俊强
Original assignee: Wuxi Heracles Hydraulic Manufacturing Co ltd
Current assignee: Wuxi Heracles Hydraulic Manufacturing Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-19
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a pneumatic unlocking device for a vehicle lifting machine, which comprises a portal frame, wherein two sliding grooves are respectively formed in the inner walls of two sides of the portal frame, a sliding block is movably connected between the two sliding grooves and is in contact with the portal frame, a plurality of first positioning holes are respectively formed in the outer walls of two sides of the portal frame, a mounting plate is fixedly connected to one side of the sliding block, pneumatic telescopic rods are respectively and fixedly connected to two sides of the mounting plate, and a baffle is fixedly connected to one end of each pneumatic telescopic rod. The device can realize automatic unlocking through the pneumatic telescopic rod, avoids potential safety hazards caused by manual unlocking of workers, improves the safety effect of the device, facilitates the workers to adjust the opening angle of the lifting arm through the sliding rod, improves the adjusting effect of the device, can prevent the baffle from being separated from the guide rod when moving outwards through the limiting block, and improves the stabilizing effect of the device.

Description

Pneumatic unlocking device for vehicle lifting machine

Technical Field

The utility model relates to the technical field of vehicle lifters, in particular to a pneumatic unlocking device for a vehicle lifter.

Background

The double-column type lifting machine is one of common maintenance equipment in automobile maintenance enterprises, has the characteristics of compact structure, attractive appearance, simplicity and convenience in operation and the like, enables a repairing worker not to drill the bottom of an automobile with narrow space, and can quickly and conveniently overhaul the bottom of the automobile only by lifting the automobile to a certain height by the safe and reliable lifting equipment.

In order to ensure the safety of vehicle maintenance, a safety mechanism is arranged on the lifting machine, and when the conventional safety mechanism is unlocked, a worker usually bypasses the manual unlocking in the lifting machine, so that the personal safety of the worker is easily influenced, and certain danger exists, therefore, the pneumatic unlocking device for the vehicle lifting machine is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a pneumatic unlocking device for a vehicle lifting machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pneumatic unlocking device for vehicle lift, includes the portal frame, two spouts have all been seted up to the both sides inner wall of portal frame, and swing joint has the sliding block between two spouts, and the sliding block contacts with the portal frame, a plurality of first locating holes have all been seted up to the both sides outer wall of portal frame, one side fixedly connected with mounting panel of sliding block, the equal fixedly connected with pneumatic telescopic rod in both sides of mounting panel, pneumatic telescopic rod's one end fixedly connected with baffle, the inside swing joint of baffle has first locating rack, and just first locating rack pegs graft with first locating hole mutually, the circumference outer wall of first locating rack has cup jointed the spring, and the both ends of spring are fixed mutually with baffle and first locating rack respectively.

As a further scheme of the utility model, one side of the sliding block is fixedly connected with a connecting rod, two ends of the connecting rod are movably connected with lifting arms, the top of each lifting arm is provided with a plurality of second positioning holes, one side of the connecting rod is fixedly connected with two fixing blocks, the inside of each fixing block is movably connected with a sliding rod, the sliding rod is in contact with the baffle, one side of the sliding rod is fixedly connected with a second positioning frame, and the second positioning frame is inserted into the second positioning holes.

As a further scheme of the utility model, both sides of the sliding block are fixedly connected with guide rods, and the guide rods are in sliding connection with the baffle.

As a further scheme of the utility model, one end of the guide rod is fixedly connected with a limiting block.

As a further scheme of the utility model, the bottom of the portal frame is fixedly connected with two fixed bottom plates, and the bottom of each fixed bottom plate is fixedly connected with a shock pad.

As a further scheme of the utility model, the two side outer walls of the portal frame are fixedly connected with reinforcing ribs, the reinforcing ribs are fixed with the fixed baseplate, the two side outer walls of the portal frame are fixedly connected with a lifting mechanism, one end of the lifting mechanism penetrates through the portal frame and is fixedly connected with a steel wire rope, the steel wire rope is fixed with a sliding block, the two side inner walls of the portal frame are movably connected with rollers, and the rollers are wound with the steel wire rope.

As a further scheme of the utility model, the upper surface of the lifting arm is provided with a plurality of anti-skid grains which are uniformly distributed.

As a further scheme of the present invention, one end of the fixing block is provided with a clearance groove, and the second positioning frame is slidably connected to the clearance groove.

The utility model has the beneficial effects that:

1. through the setting of installation pneumatic telescopic link on the mounting panel, when the machine of lifting needs the unblock, be connected pneumatic telescopic link with outside air feed mechanism earlier, start outside air feed mechanism, the gas of outside air feed mechanism gets into pneumatic telescopic link, thereby make pneumatic telescopic link extension promote the baffle and remove along the guide bar to the outside, the elasticity of spring is less than the frictional force between first locating rack and the first locating hole this moment, thereby make the spring atress shorten, pneumatic telescopic link continues to promote the baffle and removes suitable position to the outside, thereby the baffle drives first locating rack and removes and separate with first locating hole to the outside, thereby make first locating rack remove the spacing to the sliding block, and then make the device can realize automatic unblock, the potential safety hazard that staff's manual unblock brought has been avoided, the effect of safety of device has been improved.

2. Through the setting of installation slide bar on the fixed block, when pneumatic telescopic link promoted the baffle and moved suitable position to the outside, the baffle breaks away from the contact with the slide bar, thereby relieve the restriction of baffle to slide bar rebound, the staff can manually mention the slide bar this moment, the slide bar drives the second locating rack and makes second locating rack and second locating hole separation along keeping away a groove rebound, thereby make the rotation that lift arm and connecting rod can be free, and then make things convenient for the staff to adjust the lift arm and open the angle, the regulating effect of device has been improved.

3. Through the setting of installing the stopper on the guide bar, the stopper can play limiting displacement to the baffle to avoid the baffle to break away from with the guide bar when moving to the outside, improved the stable effect of device.

4. Through the setting of installation antiskid line on lifting arm, antiskid line can increase the vehicle and lift the arm between the sliding friction power to avoid the vehicle to slide on lifting arm and take place danger, improved the effect of lifting of device.

Drawings

Fig. 1 is a schematic perspective view of a pneumatic unlocking device for a vehicle lift according to the present invention;

fig. 2 is a schematic view, partially in section, showing a pneumatic unlocking device for a vehicle lift according to the present invention;

fig. 3 is an enlarged schematic view of a part a of the pneumatic unlocking device for a vehicle lift according to the present invention.

In the figure: 1. a gantry; 2. a lifting mechanism; 3. reinforcing ribs; 4. fixing the bottom plate; 5. a shock pad; 6. a slider; 7. a wire rope; 8. a chute; 9. mounting a plate; 10. a pneumatic telescopic rod; 11. a baffle plate; 12. a guide rod; 13. a connecting rod; 14. a lifting arm; 15. anti-skid lines; 16. a first positioning hole; 17. a spring; 18. a first positioning frame; 19. a limiting block; 20. a slide bar; 21. a fixed block; 22. avoiding a position groove; 23. a second positioning frame; 24. and a second positioning hole.

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 of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent will be understood to those of ordinary skill in the art.

Referring to fig. 1-3, a pneumatic unlocking device for a vehicle lifter comprises a portal frame 1, two sliding grooves 8 are respectively formed on the inner walls of two sides of the portal frame 1, a sliding block 6 is connected between the two sliding grooves 8 in a sliding manner, the sliding block 6 is in contact with the portal frame 1, a plurality of first positioning holes 16 are respectively formed on the outer walls of two sides of the portal frame 1, a mounting plate 9 is welded on one side of the sliding block 6, pneumatic telescopic rods 10 are respectively fixed on two sides of the mounting plate 9 through bolts, a baffle plate 11 is fixed on one end of the pneumatic telescopic rod 10 through bolts, a first positioning frame 18 is connected inside the baffle plate 11 in a sliding manner, the first positioning frame 18 is inserted into the first positioning holes 16, a spring 17 is sleeved on the outer wall of the circumference of the first positioning frame 18, two ends of the spring 17 are respectively fixed with the baffle plate 11 and the first positioning frame 18, when the lifter needs to be unlocked, the pneumatic telescopic rod 10 is firstly connected with an external air supply mechanism, start outside air feed mechanism, outside air feed mechanism's gas gets into pneumatic telescopic link 10, thereby make pneumatic telescopic link 10 extension promote baffle 11 to remove to the outside along guide bar 12, spring 17's elasticity is less than the frictional force between first locating rack 18 and the first locating hole 16 this moment, thereby make spring 17 atress shorten, pneumatic telescopic link 10 continues to promote baffle 11 to remove to suitable position to the outside, thereby baffle 11 drives first locating rack 18 and removes to the outside and first locating hole 16 separation, thereby make first locating rack 18 relieve the spacing to sliding block 6, and then make the device realize automatic unblock, the potential safety hazard that the manual unblock of staff brought has been avoided.

The utility model, it should be noted that, a connecting rod 13 is fixed on one side of a sliding block 6 through a bolt, two ends of the connecting rod 13 are rotatably connected with a lifting arm 14, a plurality of second positioning holes 24 are formed on the top of the lifting arm 14, two fixing blocks 21 are welded on one side of the connecting rod 13, a sliding rod 20 is slidably connected inside the fixing blocks 21, the sliding rod 20 is in contact with a baffle plate 11, a second positioning frame 23 is welded on one side of the sliding rod 20, the second positioning frame 23 is inserted into the second positioning holes 24, when the pneumatic telescopic rod 10 pushes the baffle plate 11 to move outwards to a proper position, the baffle plate 11 is separated from the sliding rod 20, so as to remove the limitation of the baffle plate 11 on the upward movement of the sliding rod 20, at this time, a worker can manually lift the sliding rod 20, the sliding rod 20 drives the second positioning frame 23 to move upwards along a clearance groove 22 to separate the second positioning frame 23 from the second positioning holes 24, so that the lifting arm 14 and the connecting rod 13 can rotate freely, further, the opening angle of the lifting arm 14 can be conveniently adjusted by a worker, the adjusting effect of the device is improved, guide rods 12 are welded on two sides of each sliding block 6, the guide rods 12 are slidably connected with the baffle plate 11, one end of each guide rod 12 is fixedly provided with a limiting block 19 through a bolt, the limiting block 19 can limit the baffle plate 11, so that the baffle plate 11 is prevented from being separated from the guide rods 12 when moving outwards, two fixing bottom plates 4 are fixedly arranged at the bottom of the portal frame 1 through bolts, a shock absorption pad 5 is bonded at the bottom of each fixing bottom plate 4, the shock absorption pad 5 has a good shock absorption effect due to the material of the shock absorption pad, the vibration amplitude of the device is reduced, the device is further stable in operation, reinforcing ribs 3 are welded on the outer walls of two sides of the portal frame 1, the reinforcing ribs 3 are fixed with the fixing bottom plates 4, the portal frame 1 and the fixing bottom plates 4 can be more stably connected through the reinforcing ribs 3, the outer wall of the two sides of the portal frame 1 is fixed with lifting mechanisms 2 through bolts, one end of each lifting mechanism 2 penetrates through the portal frame 1 and is fixed with a steel wire rope 7 through bolts, the steel wire rope 7 is fixed with a sliding block 6, the inner walls of the two sides of the portal frame 1 are connected with idler wheels in a rotating mode, the idler wheels are connected with the steel wire rope 7 in a winding mode, a plurality of anti-skidding patterns 15 are formed in the upper surface of a lifting arm 14, the anti-skidding patterns 15 are evenly distributed, the anti-skidding patterns 15 can increase the sliding friction force between a vehicle and the lifting arm 14, danger caused by the fact that the vehicle slides on the lifting arm 14 is avoided, a position avoiding groove 22 is formed in one end of a fixing block 21, the second positioning frame 23 is connected with the position avoiding groove 22 in a sliding mode, the position avoiding groove 22 can limit the second positioning frame 23 to shake, and the lifting arm 14 is prevented from shaking.

The working principle is as follows: when the lifter needs to be unlocked, the pneumatic telescopic rod 10 is connected with the external gas supply mechanism, the external gas supply mechanism is started, gas of the external gas supply mechanism enters the pneumatic telescopic rod 10, so that the pneumatic telescopic rod 10 extends to push the baffle plate 11 to move outwards along the guide rod 12, the elastic force of the spring 17 is smaller than the friction force between the first positioning frame 18 and the first positioning hole 16, the stress on the spring 17 is shortened, the pneumatic telescopic rod 10 continuously pushes the baffle plate 11 to move outwards to a proper position, so that the baffle plate 11 drives the first positioning frame 18 to move outwards to be separated from the first positioning hole 16, the first positioning frame 18 releases the limit of the sliding block 6, the device can realize automatic unlocking, and meanwhile, when the pneumatic telescopic rod 10 pushes the baffle plate 11 to move outwards to a proper position, the baffle plate 11 is separated from the contact with the sliding rod 20, so that the limit of the baffle plate 11 on the upward movement of the sliding rod 20 is released, at this moment, the worker can manually lift the sliding rod 20, the sliding rod 20 drives the second positioning frame 23 to move upwards along the avoiding groove 22 to separate the second positioning frame 23 from the second positioning hole 24, so that the lifting arm 14 and the connecting rod 13 can rotate freely, the worker can conveniently adjust the opening angle of the lifting arm 14, when the height of the first positioning frame 18 needs to be adjusted, the lifting mechanism 2 is started, the lifting mechanism 2 winds the steel wire rope 7, one end of the steel wire rope 7 rises and drives the sliding block 6 to move upwards, the first positioning frame 18 moves upwards and is inserted into the first positioning hole 16 at a proper position, and the height of the first positioning frame 18 is adjusted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The pneumatic unlocking device for the vehicle lifting machine comprises a portal frame (1) and is characterized in that two sliding grooves (8) are formed in the inner walls of the two sides of the portal frame (1), a sliding block (6) is movably connected between the two sliding grooves (8), the sliding block (6) is in contact with the portal frame (1), a plurality of first positioning holes (16) are formed in the outer walls of the two sides of the portal frame (1), a mounting plate (9) is fixedly connected to one side of the sliding block (6), pneumatic telescopic rods (10) are fixedly connected to the two sides of the mounting plate (9), a baffle (11) is fixedly connected to one end of each pneumatic telescopic rod (10), a first positioning frame (18) is movably connected to the inner portion of each baffle (11), the first positioning frame (18) is connected with the first positioning holes (16) in an inserting mode, a spring (17) is sleeved on the outer wall of the circumference of the first positioning frame (18), and two ends of the spring (17) are respectively fixed with the baffle (11) and the first positioning frame (18).

2. The pneumatic unlocking device for the vehicle lifting machine is characterized in that one side of the sliding block (6) is fixedly connected with a connecting rod (13), two ends of the connecting rod (13) are movably connected with lifting arms (14), a plurality of second positioning holes (24) are formed in the tops of the lifting arms (14), two fixing blocks (21) are fixedly connected with one side of the connecting rod (13), the sliding rod (20) is movably connected inside the fixing blocks (21), the sliding rod (20) is in contact with the baffle plate (11), a second positioning frame (23) is fixedly connected with one side of the sliding rod (20), and the second positioning frame (23) is inserted into the second positioning holes (24).

3. A pneumatic unlocking device for vehicle lift according to claim 1 wherein the slide block (6) is fixedly connected with guide rods (12) on both sides, and the guide rods (12) are slidably connected with the baffle plate (11).

4. A pneumatic unlocking means for vehicle lifts as defined in claim 3, wherein a stopper (19) is fixedly attached to one end of said guide bar (12).

5. The pneumatic unlocking device for the vehicle lifting machine according to claim 1, wherein two fixed bottom plates (4) are fixedly connected to the bottom of the portal frame (1), and a shock pad (5) is fixedly connected to the bottom of each fixed bottom plate (4).

6. The pneumatic unlocking device for the vehicle lifting machine is characterized in that reinforcing ribs (3) are fixedly connected to the outer walls of two sides of the portal frame (1), the reinforcing ribs (3) are fixed to the fixing bottom plate (4), lifting mechanisms (2) are fixedly connected to the outer walls of two sides of the portal frame (1), one ends of the lifting mechanisms (2) penetrate through the portal frame (1) and are fixedly connected with steel wire ropes (7), the steel wire ropes (7) are fixed to sliding blocks (6), idler wheels are movably connected to the inner walls of two sides of the portal frame (1), and the idler wheels are connected with the steel wire ropes (7) in a winding mode.

7. The pneumatic unlocking device for the vehicle lifting machine according to claim 2, wherein the lifting arm (14) has a plurality of anti-slip threads (15) formed on the upper surface thereof, and the anti-slip threads (15) are uniformly distributed.

8. The pneumatic unlocking device for the vehicle lifting machine according to claim 2, wherein one end of the fixed block (21) is provided with a spacing groove (22), and the second positioning frame (23) is connected with the spacing groove (22) in a sliding manner.