CN201095584Y - Lifting device for vehicle transporting carriage - Google Patents

Abstract

The utility model relates to a lifting device of a vehicle transporter, which comprises a hollow upright column, an oil cylinder and a sliding block that is arranged at the interior of the upright column and is capable of sliding up and down at the interior of the upright column, wherein, a plurality of positioning holes with different heights and positioning bolts that are matched with the positioning holes for using are arranged on the upright column, the lower-bottom end of the sliding block is fallen on the positioning bolts, the sliding block is positioned at different heights in the upright column by the positioning holes and the positioning bolts, the oil cylinder is arranged outside the upright column, and the oil cylinder and the upright column can be vertically fixed on a base side by side; the upright column is provided with a long-trough opening along the radial direction, and the upper part and the lower part of the sliding block are respectively provided with a first connection part and a sliding block external-extension shaft which pass through the long-trough opening and are connected with the exterior; the upper part of the sliding block is connected with the top end of a piston rod of the oil cylinder by the first connection part; the sliding block external-extension shaft which extends out of the lower part of the sliding block is movably connected with a platform sliding-down trough that can be connected with an upper-layer platform to be lifted. The lifting device can save the space and realize the large-stroke lifting with convenient height adjustment and reliable positioning.

Description

Lifting device for a vehicle transporter

technical field

The utility model relates to the field of special transport vehicles for vehicles, in particular to a lifting device for a vehicle transport vehicle.

Background technique

Conventional vehicle transport vehicles specially used for transporting vehicles, especially small cars, such as cars, in order to improve transport efficiency, usually an upper platform is provided to form an upper and a lower layer for the main body of the carriage. In order to meet the loading needs of different models, the height of the upper platform can be adjusted. When loading the upper vehicle, the rear end of the upper platform must be completely lowered, and the platform forms a slope with a high front and a low rear; and when the lower vehicle is loaded with a higher height vehicle, the upper platform must be raised to a higher position, so the rear platform of the vehicle transporter must be raised to a higher position. There must be a greater lifting stroke at the end.

Chinese patent ZL99230034.7 (CN2395925Y, published on September 13, 2000) discloses a lifting mechanism for the upper floor pedal of a vehicle transport vehicle. A slide block type lifting mechanism is respectively arranged in the column, and a pulley type lifting mechanism is respectively arranged in the column at the rear end, and the end of the lifting mechanism is connected with the upper floor pedal. The slider-type lifting mechanism in this patent includes an oil cylinder, a slider, a perforated plate, and a bolt. The oil cylinder is arranged in the column, and the slider is connected to the end of the piston of the oil cylinder. Stretch out the column, and the outstretched shaft end of the column is connected with the side beam of the upper floor pedal. In order to make the slide block be fixed at a certain height, a perforated plate and a latch cooperating with the perforated plate are arranged on the column. The axis of the movable pulley of the pulley mechanism is connected to the end of the cylinder piston, the fixed pulley is arranged on the upper end of the column, one end of the wire rope of the pulley mechanism is fixed on the column, and the other end is connected to the side beam of the upper floor pedal. It can be seen that the original model uses an inverted oil cylinder pulley and wire rope structure to lift the platform, and the stroke is enlarged through the movable pulley at the front end of the oil cylinder. However, this structure has the disadvantages of taking up a large space, requiring an additional positioning device, and the steel wire is easy to fall off, and needs to be replaced regularly.

Utility model content

In order to solve the problems in the prior art that the lifting device of the upper platform of the vehicle transporter occupies a large space, an additional positioning device is required, and the steel wire is easy to fall off and needs to be replaced regularly, the purpose of the utility model is to provide a The lifting device of the vehicle transporter can meet the requirements of space saving, convenient height adjustment, reliable positioning, and large-stroke lifting.

Specifically, the lifting device of the vehicle transporter of the present invention includes a hollow column, an oil cylinder, and a slider that is arranged inside the column and can slide up and down inside the column. The column is provided with a plurality of positioning holes of different heights. And the positioning pin used in conjunction with the positioning hole, the lower end of the slider falls on the positioning pin, and the sliding block is positioned at different heights in the column through the positioning hole and the positioning pin, wherein:

The oil cylinder is arranged outside the column and can be vertically fixed on the base side by side with the column;

The upright column is provided with a long slot opening along its radial direction, and the upper and lower parts of the slider are respectively provided with a first connecting part and a slider extension shaft passing through the long slot opening and connecting with the outside;

The upper part of the slider is connected with the top end of the piston rod of the oil cylinder through the first connecting part;

The outreach shaft of the slider protruding from the lower part of the slider is movably connected with the glide groove of the platform, and the glide groove of the platform can be connected with the upper platform to be lifted.

In a further embodiment of the present utility model, the platform chute is a wide hole chute. In this way, the extended shaft of the slider is inserted into the platform glide groove of the wide hole chute, and can slide in the platform glide groove, and meanwhile, the platform glide groove can be connected with the upper platform to be lifted. The upper platform moves back and forth relative to the lifting device of the present utility model during the lifting process.

In a further embodiment of the present utility model, the outer end of the slider's overhanging shaft passes through the lower groove of the platform and is connected with a fixing nut. Through the fixing effect of the nut, the sliding groove of the platform can be prevented from sliding left and right on the extended shaft.

In a further embodiment of the present utility model, a reinforcement board is provided outside one side of the positioning hole of the upright, and a through hole communicating with the positioning hole is provided on the reinforcement board. The wear-resisting life of the positioning hole can be improved by the reinforced state plate. Preferably, the reinforcement board is welded to the outer side of the column.

In a further embodiment of the present utility model, the oil cylinder is selected from a secondary oil cylinder and a tertiary oil cylinder.

In a further embodiment of the present utility model, the first connecting portion includes a backing plate connected to the upper part of the slider, a fixing plate of the upper support of the oil cylinder connected with the backing plate, a fixing plate of the upper support of the oil cylinder And the upper support plate of the oil cylinder connected with the top of the oil cylinder. Through the connection relationship of the first connecting part, the top end of the piston rod of the oil cylinder can be fixedly connected with the upper part of the slider arranged inside the hollow column, so that the slider can slide up and down inside the column under the action of lifting and lowering of the oil cylinder .

Preferably, in the first connecting portion where the above-mentioned slider is connected to the oil cylinder, between the slider and the backing plate, between the backing plate and the fixing plate of the upper support of the oil cylinder, and between the fixing plate of the upper support of the oil cylinder and the upper support plate of the oil cylinder All are welded connections.

The lifting device of the vehicle transport vehicle of the present utility model can be beneficially used for the vehicle transport vehicle, and the vehicle transport vehicle at this time may include:

(1) A pair of front uprights vertically arranged on the body base,

(2) the front end and the front column are hinged on the upper platform at a predetermined height,

(3) A pair of lifting devices as mentioned above of the utility model that are vertically arranged on the rear part of the body base, symmetrically located on both sides of the upper platform and hold up the rear of the upper platform, the bottom of the upper platform can be connected with this The platform sliding groove described in the utility model is fixedly connected. When the upper platform rear end is lifted, the overhanging edge of the slider of the utility model is in the wide hole chute of the 2 platform glide grooves connected with the upper platform, and the upper platform slides with respect to the lifting device of the utility model. That is, the front end of the upper platform is fixed, and when the rear end rises or falls, the rear end of the platform generates displacement in the front and rear directions relative to the lifting device of the present utility model.

The two platform glide grooves of the lifting device are arranged on the opposite inner sides of the two elevating devices to support the upper platform, and the oil cylinder is arranged outside the upper platform without interfering with the vertically movable platform glide groove.

In addition, the above-mentioned pair of front columns can also adopt the aforementioned lifting device of the utility model, wherein the front end of the upper platform is hinged to the outwardly extending edge of the slider provided on the lifting device as the front column. Through this embodiment, the front height of the upper platform can be adjusted according to specific needs.

The utility model provides the lifting device for the upper platform of the vehicle transport vehicle and the vehicle transport vehicle containing the lifting device, which meet the requirements of space saving, convenient height adjustment, reliable positioning, and large-stroke lifting at the same time.

Description of drawings

Fig. 1 is a schematic diagram of the lifting device of the present invention.

Fig. 2 is a schematic view of Fig. 1 viewed from the left.

FIG. 3 is a partial schematic diagram of the A-A position in FIG. 1 .

FIG. 4 is a partial schematic diagram of the first connecting portion at B-B in FIG. 1 .

Fig. 5 is a partial schematic view of the lifting device of the present invention in a working state.

Fig. 6 is a schematic diagram of the lifting device of the present invention in use.

Fig. 7 is a schematic diagram of the working state when the upper platform shown in Fig. 6 is lowered to the lowest position.

Among them, the main reference signs are explained as follows:

1. Base 15. Nut

2. Column 16. Cotter pin

3. Positioning pin 17. Backing plate

4. The side beam of the upper movable platform 18. The fixing plate of the upper support of the oil cylinder

5. Oil cylinder 19. Fixing pin and fixing bolt on the oil cylinder

6. The sliding groove of the platform 20. The fixed pin on the oil cylinder

7. The lower support plate of the oil cylinder 21. The upper support plate of the oil cylinder

8. Fixing pin under the oil cylinder 22. Front column

9. Reinforced Bangban 23. Front hinge sleeve

10. Upper movable platform beam 24. Upper platform

11. Slider 25. Long slot opening

12. Slider extension shaft 26. Positioning hole

13. Rib 31. First connecting part

14. Gasket

Detailed ways

The utility model is further described through specific embodiments below with reference to the accompanying drawings. However, these embodiments and drawings are only for the purpose of explanation to facilitate understanding of the present utility model, and are not used to limit the present utility model.

Fig. 1 to Fig. 5 are the lifting device provided by the utility model and its partial schematic diagrams. Fig. 1 is a schematic diagram of the lifting device, Fig. 2 is a schematic left view of Fig. 1, Fig. 3 is a partial schematic diagram of the A-A position of Fig. 1, and Fig. 4 is a partial schematic diagram of the first connecting part of the B-B position of Fig. 1 . Fig. 5 is a partial schematic view of the lifting device of the present invention in a working state.

The lifting device of the vehicle transport vehicle of the present utility model comprises a hollow column 2, an oil cylinder 5 and a slider 11 which is arranged inside the column 2 and can slide up and down inside the column. The column 2 is provided with a plurality of positioning The hole 26 and the positioning pin 3 used in conjunction with the positioning hole 26, the lower end of the slider 11 falls on the positioning pin 3, and the sliding block 11 is positioned in the column 2 through the positioning hole 26 and the positioning pin 3 Different heights, wherein: the oil cylinder 5 is arranged outside the column 2 and can be vertically fixed on the base (body chassis) 1 side by side with the column 2; the column 2 is provided with a long slot opening 25 along its radial direction , the upper and lower parts of the slider 11 are respectively provided with the first connecting part 31 and the slider extension shaft 12 which pass through the slot opening 25 and are connected to the outside; the upper part of the slider 11 is connected by the first Part 31 is connected with the top end of the piston rod of the oil cylinder 5; the slider outreach shaft 12 protruding from the bottom of the slider 11 is movably connected with the platform glide groove 6, and the platform glide groove 6 can be connected with the platform to be lifted. The upper platform 24 of the vehicle carrier is attached. Further, the platform chute 6 is a wide hole chute. In this way, the sliding fast overhanging shaft 12 is inserted into the platform glide groove 6 of the wide hole, and can slide in the platform glide groove 6. Meanwhile, the platform glide groove 6 can be connected with the upper platform 24 to be lifted. The upper platform 24 moves back and forth with respect to the lifting device of the present utility model during the lifting process. Further, the outer end of the slider extension shaft 12 passes through the platform sliding groove 6 and is connected with the fixing nut 15 . Through the fixing effect of the nut 15, the sliding groove 6 of the platform can be prevented from sliding left and right on the extending shaft 12 of the slider. Further, a reinforcement board 9 is provided outside one side of the positioning hole 26 of the column, and a through hole communicating with the positioning hole 26 is provided on the reinforcement board 9 . Through the reinforcement plate 9, the wear life of the positioning hole 26 can be improved. A preferred embodiment is that the reinforcement board 9 is welded to the outside of the column. A preferred embodiment is that the oil cylinder 5 is a secondary oil cylinder. A preferred embodiment is that the oil cylinder 5 is a three-stage oil cylinder. Further, the first connecting part 31 includes a backing plate 17 connected to the upper part of the slider 11, an upper bearing fixing plate 18 connected to the backing plate 17, an upper bearing fixing plate 18 connected to the oil cylinder and The upper bearing plate 21 of the oil cylinder connected with the top end of the oil cylinder 5 . Through the connection relationship of the first connecting portion 31, the top end of the piston rod of the oil cylinder 5 can be fixedly connected to the upper part of the slider 11 arranged inside the hollow column 2, so that the slider 11 can Slide up and down inside column 2. In this embodiment, in the first connection part 31 where the above-mentioned slider 11 is connected to the oil cylinder 5, between the slider 11 and the backing plate 17, between the backing plate 17 and the upper support fixing plate 21 of the oil cylinder, and the upper support of the oil cylinder are fixed. Both the plate 18 and the upper bearing plate 21 of the oil cylinder are connected by welding. Further, the slider outwardly extending shaft 12 protruding from the bottom of the slider 11, the part protruding outward of the slider outwardly extending shaft 12 is inserted into the wide hole of the platform glide groove 6, and then passes through the platform glide groove 6 It is connected with the device to be carried. In this embodiment, the device to be carried may be the upper platform 24 . Thus, the sliding block 11 inside the column 2 can be connected with the platform glide groove 6 outside the column 2 through the slider 12. When the slider 11 slides up and down with the oil cylinder 5, the platform glide groove 6 will also Sliding up and down thereupon, thereby realize the function of the lifting device of the present utility model. Further, the outer end of the slider extension shaft 12 passes through the lower groove of the platform and is connected with the fixing nut 15 . Through the fixing function of the nut 15, the sliding groove 6 of the platform can be prevented from sliding left and right on the extended shaft. Preferably, the nut 15 is a channel nut. The cross-section of the hollow column 2 is square (or C-shaped), and the platform glide groove 6 can be set outside one side of its long groove opening 25, and when the front end of the platform does not move and the rear end moves up and down, the sliding The block outrigger shaft 12 slides forward and backward relative to the platform glide groove 6 . And the side adjacent to this elongated slot opening 25 is provided with the oil cylinder 5 that is fixed side by side with the column 2, after the first connecting portion 31 on the top of the slide block 11 is drawn from the slide block 11 in the column 2, it can pass through the concave corner and The top of oil cylinder 5 is connected. In this way, the platform glide groove 6 that can move up and down will not interfere with the oil cylinder 5 . The lower end of the oil cylinder is fixed on the lower bearing plate 7 of the oil cylinder, and the lower fixing pin 8 of the oil cylinder can also be set at the lower end of the oil cylinder.

Fig. 6 and Fig. 7 are schematic diagrams of the lifting device of the vehicle transporter of the present invention in use. Wherein the column 2 stands on both sides of the vehicle body base 1, and is symmetrically arranged left and right. The column 2 is a hollow C-shaped cross-section structure. The column 2 is attached with a column positioning hole reinforcement plate 9 relative to the front and rear direction of the vehicle body, and is formed by welding with the column 2. As a whole, there are a plurality of positioning holes on the corresponding position of the bang plate 9, and the effect of the bang plate 9 is to increase the wall thickness of the positioning hole 26 of the column 2 and improve the wear life of the hole. There is a positioning pin 3 in the positioning hole 26 . Column 2 has a slide block 11 of hollow cuboid, and the lower end of slide block 11 falls on the positioning bolt 3 . The upper end of the slide block 11 is welded with the backing plate 17, the upper support plate 18 of the oil cylinder, and the upper support plate 21 of the oil cylinder in turn, and the lower end of the slide block 11 has a slider extension shaft 12 and a reinforcing rib 13, and one end of the extension shaft 12 is inserted into the In the inner slider 11, one end is set in the platform glide groove 6, and the platform glide groove 6 is connected to the lower end of the upper movable platform side beam 4, and the left and right upper movable platform side beams 4 are connected into one body through the upper movable platform beam 10 And form upper movable platform 24, outreach shaft 12 supports upper floor platform 24 rear parts by platform glide groove 6, and overhang shaft 12 has washer 14, channel nut 15, cotter pin 16 on one side of platform glide groove 6, prevents The platform glide groove 6 slides left and right on the overhanging shaft 12. They form an integral body with the slider 11 and can move up and down with the slider 11. The upper bearing plate 21 of the oil cylinder, the upper fixed pin fixed bolt 19 of the oil cylinder, the upper fixed pin 20 of the oil cylinder link to each other with the upper connecting hole of the secondary oil cylinder 5, and the secondary oil cylinder 5 is a kind of multistage oil cylinder, which can be closed under certain closed length conditions. Produces a larger active stroke than single-stage cylinders.

Figure 6 shows the position of the front and rear supporting columns of the upper platform 24, the front column 22 elevating mechanism has the front hinge sleeve 23 of the upper platform 24, which is hinged with the front end of the upper platform 24, and the rear end of the upper platform 24 can be wound around the front hinge sleeve 23 of the upper platform Swing up and down, when the rear end of the upper platform 24 falls, the rear end of the platform moves forward relative to the rear column 2, so that the platform glide groove 6 slides forward relative to the overhanging shaft 12. The state when the upper floor platform 24 rear end as shown in Fig. 7 falls, now positioning pin 3 is positioned at the lower end of column positioning hole, secondary oil cylinder 5 retracts, and inner slide block 11 slides down and falls on positioning pin 3. The lifting device at the rear end of the upper platform, in addition to meeting the maximum adjustment height, must meet the requirements of completely dropping the rear end of the upper platform 24, so that the platform forms a state of high front and low rear, as shown in Figure 6. In this state, the car can be driven to the upper platform by its own power.

Through the above detailed description of the preferred specific embodiments, it is hoped that the features and spirit of the present utility model can be described more clearly, and the scope of the present utility model is not limited by the preferred specific embodiments disclosed above. On the contrary, the purpose of the above detailed description is to cover various changes and equivalent arrangements within the scope of the patent claims of the utility model. Therefore, the patent claims for the application for the utility model should be interpreted in the broadest way based on the above description, so as to cover all possible changes and arrangements with equivalents.

Claims (7)

1, a kind of jacking system of car transporter, it comprises hollow pillar stand, oil cylinder and is arranged at the slide block that column is inner and can slide up and down in column inside, described column is provided with the knock hole of a plurality of differing heights and the fastening screw that is used with this knock hole, the following bottom of described slide block is dropped on the fastening screw, by knock hole and fastening screw described slide block is positioned differing heights in the column, it is characterized in that:

Described oil cylinder be arranged at described column outer and can with described column side by side vertical fixing on base;

Described column radially is provided with the elongated slot opening along it, the upper and lower of described slide block be respectively arranged with pass described elongated slot opening and with outside bonded assembly first connecting portion and slide block outrigger shaft;

Described slide block top is connected with the piston rod top of described oil cylinder by first connecting portion;

Slide block outrigger shaft that stretches out from described slide block bottom and platform gliding groove flexibly connect, and described platform gliding groove can be connected with the upper platform for the treatment of lifting.

2, jacking system as claimed in claim 1 is characterized in that, described platform gliding groove is a wide hole chute.

3, jacking system as claimed in claim 2 is characterized in that, the outer end of described slide block outrigger shaft is passed described platform gliding groove and is connected with captive nut.

4, jacking system as claimed in claim 1 is characterized in that, described stud location hole one side also is provided with outward strengthens nation's plate, and this reinforcement nation plate is provided with the through hole that communicates with described knock hole.

5, jacking system as claimed in claim 1 is characterized in that, described oil cylinder is selected from two-level oil cylinder, three grades of oil cylinders.

6, jacking system as claimed in claim 1, it is characterized in that, described first connecting portion comprise be connected with described slide block top bonded assembly backing plate, with this backing plate bonded assembly oil cylinder upper bracket adapter plate, with this oil cylinder upper bracket adapter plate and with the top bonded assembly oil cylinder upper bracket plate of described oil cylinder.

7, jacking system as claimed in claim 6, it is characterized in that, in described slide block and oil cylinder bonded assembly first connecting portion, between slide block and the backing plate, between backing plate and the oil cylinder upper bracket adapter plate, be between oil cylinder upper bracket adapter plate and the oil cylinder upper bracket plate and be welded to connect.

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