Four-column type automobile lifting platform

Abstract

The utility model relates to the technical field of automobile maintenance, in particular to a four-column type automobile lifting platform which comprises stand columns, cross beams and a running plate, the cross beams comprise a front cross beam and a rear cross beam, the running plate is erected above the front cross beam and the rear cross beam, a base plate is connected between the running plate and the front cross beam, a sliding groove is formed between the running plate and the rear cross beam, and the front cross beam and the rear cross beam are arranged in the sliding groove. A slope base plate is in threaded connection with the position, in front of the running plate, of the front beam, stand columns are arranged on the left sides and the right sides of the front beam and the rear beam, the two ends of the front beam and the two ends of the rear beam are connected with the stand columns through locking structures, vertical balance steel wire rope wheels are arranged beside the locking structures at the two ends of the front beam and the two ends of the rear beam, and a rear baffle is connected to the rear portion of the rear beam. The two rails arranged on the cross beam of the platform can move left and right and are connected with the two upward platforms on the ground after being expanded, so that the slope platform can move when the support is lifted up and down, and meanwhile, the slope platform can be lifted up to serve as a limiting device when an automobile is maintained above the support.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile maintenance, in particular to a four-column automobile lifting platform. BACKGROUND

[0002] The four-wheel four-column lifting platform for automobile is a kind of equipment specially used for automobile maintenance and maintenance, with the advantages of strong bearing capacity, safe and stable use, etc., and is widely applied in various automobile repair factories, 4S shops and other places.The four-wheel four-column lifting platform for automobile is a kind of mechanical equipment composed of four struts, which is driven to lift by motor.Each strut bottom is equipped with a lifter, and the lifting function of the platform is realized by hydraulic or electric system.The working principle is usually that hydraulic oil is injected into the top of oil cylinder by oil pump, and piston rod assembly is retracted, so that the steel wire rope or chain outside the platform is tensioned, to realize the lifting of the platform.When descending, hydraulic oil flows back to the oil tank, and the platform slowly descends under the action of gravity, however, the prior art mainly has the following two main problems 1.Overload bearing will cause the column to twist, so that the whole lifting platform is deformed.The reason is that the current bearing structure excessively depends on four columns, and the locking device arranged on the column is not firm enough, and is easy to slip and cause.The 2.single suitability, that is, a four-column lifting platform is only suitable for a type of wheelbase vehicle, and the investment cost of the platform is large for automobile repair shop.However, since the four columns are directly supported on the ground, the position of the column cannot be easily changed. SUMMARY

[0003] The utility model discloses to overcome the insufficient of prior art, provide a four-column automobile lifting platform, can move left and right to the platform, adapt to the vehicle of multiple wheelbase, reduce the investment cost of platform, and the bearing structure is provided with the detent structure, and the structure is formed with the detent on the column Embedding type positioning structure.

[0004] To achieve the above object, a four-column automobile lifting platform is designed, which comprises a column, a cross beam and a running board.The cross beam comprises a front cross beam and a rear cross beam, and the running board is arranged above the front cross beam and the rear cross beam.A spacer plate is connected between the running board and the front cross beam, and a sliding groove is arranged between the running board and the rear cross beam.A slope spacer plate is threadedly connected to the front cross beam corresponding to the position in front of the running board.Two columns are arranged on the left and right sides of the front cross beam and the rear cross beam.The two ends of the front cross beam and the rear cross beam are connected to the columns by locking structures.Vertical balance wire rope wheels are arranged beside the locking structures at the two ends of the front cross beam and the rear cross beam.Horizontal balance wire rope wheels are arranged below the two ends of the running board, and a rear baffle is connected to the rear of the rear cross beam.

[0005] The locking structure comprises a sliding block, a sliding block fixing seat, a locking plate, a slot, a locking plate baffle, a steel wire rope wheel fixing shaft, a front cross beam and a rear cross beam, the two ends of the cross beam are respectively fixed with the sliding block, the sliding block fixing seat and regularly distributed slots are arranged in the stand column, the locking plate and the vertical balance steel wire rope wheel are respectively fixed on the front and rear sides of the cross beam through the steel wire rope wheel fixing shaft, and the locking plate baffle is fixed on the top of the two ends of the cross beam.

[0006] The stand column is provided with four stand columns, one of which is provided with a hydraulic drive device, the hydraulic drive device is connected with an oil cylinder, one end of the oil cylinder is connected with a steel wire rope, and the steel wire rope sequentially passes through the vertical balance steel wire rope wheel and the horizontal balance steel wire rope wheel.

[0007] The horizontal balance steel wire rope wheel is in rolling connection with the sliding groove.

[0008] The slot is matched with the locking plate to be locked.

[0009] The inclined pad plate is connected with the front cross beam through a hinge.

[0010] Compared with the prior art, the two tracks arranged on the cross beam of the platform can move left and right, the possibility of adapting to multi-axle distance vehicle models can be increased, two platforms upwardly connected with the ground are expanded, and therefore the slope platform when the upper and lower supports are movable, and the slope platform can be lifted upwardly, and serves as a limiting device when the automobile is maintained above the support. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model.

[0012] Figure 2 It is an enlarged view of the locking structure.

[0013] Figure 3 It is a top view of the utility model.

[0014] Figure 4 It is an enlarged view of the running board moving structure.

[0015] Figure 5 It is an enlarged view of the inclined pad plate.

[0016] Figure 6 It is a view of the inclined pad plate being lifted.

[0017] Referring to Figures 1 to 61 is the column, 2.1 is the front crossbeam, 2.2 is the rear crossbeam, 3 is the pad, 4 is the running plate, 5 is the ramp pad, 6 is the hinge, 7 is the locking structure, 7.1 is the slider, 7.2 is the slider fixing seat, 7.3 is the locking plate, 7.4 is the slot, 7.5 is the locking plate baffle, 7.6 is the wire rope wheel fixing shaft, 8 is the wire rope, 9 is the vertical balance wire rope wheel, 10 is the horizontal balance wire rope wheel, 11 is the slide groove, 12 is the rear baffle, 13 is the hydraulic drive device, and 14 is the oil cylinder. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] like Figure 1 As shown, the crossbeam includes a front crossbeam 2.1 and a rear crossbeam 2.2. A running plate 4 is mounted above the front crossbeam 2.1 and the rear crossbeam 2.2. A pad 3 connects the running plate 4 to the front crossbeam 2.1. The running plate 4 is not directly connected to the front crossbeam 2.1, but is threadedly connected to the pad 3. The pad 3 is then threadedly connected to the front crossbeam 2.1 for fixation. A groove 11 is provided between the running plate 4 and the rear crossbeam 2.2. Figure 4 As shown, the horizontal balance steel wire rope wheel 10 connected below the running plate 4 is tumblingly connected to the slide groove 11, so that the running plate 4 can slide on the rear crossbeam. The front crossbeam 2.1 is threadedly connected to the ramp pad 5 at the position in front of the running plate 4. The left and right sides of the front crossbeam 2.1 and the rear crossbeam 2.2 are provided with columns 1. The two ends of the front crossbeam 2.1 and the rear crossbeam 2.2 are connected to the columns 1 through the locking structure 7. The two ends of the front crossbeam 2.1 and the rear crossbeam 2.2 are provided with vertical balance steel wire rope wheels 9 next to the locking structure 7. The running plate 4 is provided with horizontal balance steel wire rope wheels 10 at the bottom of each end. The rear baffle 12 is connected to the rear of the rear crossbeam 2.2.

[0020] like Figure 2 As shown, the locking structure 7 includes a slider 7.1, a slider fixing seat 7.2, a locking plate 7.3, a slot 7.4, a locking plate baffle 7.5, and a wire rope wheel fixing shaft 7.6. The sliders 7.1 are fixed at both ends of the front crossbeam 2.1 and the rear crossbeam 2.2, respectively. The column 1 is provided with a slider fixing seat 7.2 that cooperates with the slider 7.1 and a regularly distributed slot 7.4. The locking plate 7.3 and the vertical balance wire rope wheel 9 are fixed on the front and rear sides of the crossbeam through the wire rope wheel fixing shaft 7.6, respectively. The locking plate baffle 7.5 is fixed above both ends of the crossbeam. The locking plate baffle 7.5 is used to limit the rotation angle of the locking plate 7.3. The slider 7.1 and the slider fixing seat 7.2 are used to assist in fixing the height of the running plate 4.

[0021] like Figure 3As shown, the column 1 is provided with four, one of which is provided with a hydraulic drive device 13, the hydraulic drive device 13 is connected with an oil cylinder 14, one end of the oil cylinder 14 is connected with a steel wire rope 8, the steel wire rope 8 passes through a vertical balance steel wire rope wheel 9 and a horizontal balance steel wire rope wheel 10 in sequence, the hydraulic drive device 13 comprises an oil tank and an oil pump, the oil pump sends high-pressure oil into the oil cylinder 14, drives the piston rod connected with the steel wire rope 8 on the head of the oil cylinder 14 to contract, the piston rod pulls the steel wire rope 8, drives the platform of the running plate 4 to rise, and thus the hydraulic drive device 13 plays a role in driving the platform of the running plate 4 to move up and down.

[0022] The slot 7.4 is locked with the locking plate 7.3, the locking plate 7.3 is provided with an inclined groove above, when the running plate 4 rises, the locking plate 7.3 can only rotate upwards when the lower part is locked with the slot 7.4 and a small amount of rotation of the vertical balance steel wire rope wheel 9, and can move into the adjacent slot 7.4 from the original slot 7.4, when the front end of the locking plate 7.3 is clamped into the slot 7.4, the fixing effect of the running plate 4 is best, and when the locking plate 7.3 is turned over, the running plate 4 rises by one height.

[0023] As shown in the figure, Figure 5 The inclined pad plate 5 is connected between the front cross beam 2.1 through the hinge 6, and the inclined pad plate 5 can be turned up through the hinge 6, as shown in the figure, Figure 6 The inclined pad plate 5 can play a role in limiting the wheels, and can prevent accidents caused by the car sliding after lifting without pulling the handbrake.

[0024] The specific implementation method of the utility model is as follows: in the initial state, the screw connected between the pad plate 3 and the front cross beam 2.1 is loosened, so that the running plate 4 can be connected with the rolling connection of the rear horizontal balance steel wire rope wheel 10 and the sliding groove 11, the horizontal position between the front cross beam 2.1 and the rear cross beam 2.2 is adjusted according to the wheel spacing of the measured car, after the position is determined, the pad plate 3 and the front cross beam 2.1 are tightened again and the running plate 4 is connected with the sliding groove 11, so that the horizontal position of the running plate 4 is fixed, and the running plate 4 is located above the ground, which is the lowest position at this time, the measured car is opened onto the running plate 4 through the inclined pad plate 5, the inclined pad plate 5 is turned up to prevent the car from sliding, the hydraulic drive device 13 is started, the hydraulic drive device 13 drives the steel wire rope 8 to lift the running plate 4, at this time the sliding block 7.1 slides up in the column 1, the locking plate 7.5 is lifted in the slot 7.4 due to the driving of the vertical balance steel wire rope wheel 9, after being lifted to the appropriate position, the sliding block fixing seat 7.2 is clamped beside the sliding block 7.1, so that the height of the running plate 4 is fixed, when descending, the sliding block fixing seat 7.2 and the locking plate baffle 7.5 are removed, and the running plate 4 slowly descends under the action of gravity.

Claims

1. A four-post automotive lifting platform comprising uprights, crossbeams, a run, characterized in that: The crossbeam includes a front crossbeam (2.1) and a rear crossbeam (2.2), a running board (4) is arranged above the front crossbeam (2.1) and the rear crossbeam (2.2), a cushion plate (3) is connected between the running board (4) and the front crossbeam (2.1), a sliding groove (11) is arranged between the running board (4) and the rear crossbeam (2.2), a slope cushion plate (5) is threadedly connected to the front crossbeam (2.1) at a position corresponding to the front of the running board (4), vertical columns (1) are arranged on the left and right sides of the front crossbeam (2.1) and the rear crossbeam (2.2), the two ends of the front crossbeam (2.1) and the rear crossbeam (2.2) are connected with the vertical columns (1) through locking structures (7), vertical balance wire rope wheels (9) are arranged beside the locking structures (7) at the two ends of the front crossbeam (2.1) and the rear crossbeam (2.2), and horizontal balance wire rope wheels (10) are arranged below the two ends of the running board (4).

2. A four-post vehicle lifting platform according to claim 1, characterised in that: The locking structure (7) includes a sliding block (7.1), a sliding block fixing seat (7.2), a locking plate (7.3), a slot (7.4), a locking plate baffle (7.5), and a wire rope wheel fixing shaft (7.6), the two ends of the front crossbeam (2.1) and the rear crossbeam (2.2) are respectively fixed with the sliding block (7.1), the vertical columns (1) are provided with the sliding block fixing seat (7.2) matched with the sliding block (7.1) and regularly distributed slots (7.4), the crossbeam is respectively fixed with the locking plate (7.3) and the vertical balance wire rope wheel (9) on the front and rear sides through the wire rope wheel fixing shaft (7.6), and the crossbeam is fixed with the locking plate baffle (7.5) above the two ends.

3. A four-post vehicle lifting platform according to claim 1, characterized in that: The vertical column (1) is provided with four vertical columns, one of which is provided with a hydraulic drive device (13), the hydraulic drive device (13) is connected with an oil cylinder (14), one end of the oil cylinder (14) is connected with a wire rope (8), and the wire rope (8) sequentially passes through the vertical balance wire rope wheel (9) and the horizontal balance wire rope wheel (10).

4. A four-post vehicle lifting platform according to claim 1, characterized in that: The horizontal balance wire rope wheel (10) is rollingly connected with the sliding groove (11).

5. A four-post vehicle lifting platform according to claim 2, characterised in that: The slot (7.4) is matched with the locking plate (7.3) for locking.

6. A four-post vehicle lifting platform according to claim 1, characterized in that: The slope cushion plate (5) is connected with the front crossbeam through a hinge (6).

Images