Four-column lifting machine capable of hiding shear type lifting jack in car jacking plate

Abstract

The utility model relates to the technical field of automobile lifting machines, and provides a four-column lifting machine capable of hiding a shear type lifting machine in an automobile jacking plate, which comprises four parallel upright columns and a supporting platform arranged among the four groups of upright columns, and further comprises a sub-shear assembly mounted on the supporting platform, the sub-shear assembly comprises a car jacking plate, an outer shear arm, an inner shear arm, a safety mechanism and an oil cylinder. The two sets of supporting platforms are each provided with a set of sub-shear assembly, a photoelectric switch is installed on an outer shear arm in the left side sub-shear assembly, a light reflecting plate is installed on an outer shear arm in the right side sub-shear assembly, and the photoelectric switch and the light reflecting plate are located in the same straight line. The photoelectric switch sends out a photoelectric signal, the photoelectric signal is reflected by the light reflecting plate and then rebounds to the photoelectric switch, it is ensured that the lifting angles of the two sets of outer shear arms are consistent, the two sets of car jacking plates are always kept on the same plane in the lifting and descending process, and the risk that a car falls accidentally due to the fact that the car is obliquely lifted is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile lifting machine, especially to a four-column lifting machine with scissor lifting device hidden in the top plate. BACKGROUND

[0002] The four-column lifting machine on the market usually installs secondary lifting device through the side bending guide rail of the top plate to realize secondary lifting, or installs secondary lifting device on the top plate to realize secondary lifting. UTILITY MODEL CONTENTS

[0003] The utility model discloses a four-column lifting machine with scissor lifting device hidden in the top plate, which can improve the efficiency of secondary lifting and make the upper surface of the lifting machine more flat.

[0004] In order to achieve the above purpose, the utility model provides a four-column lifting machine with scissor lifting device hidden in the top plate, which comprises four parallel arranged columns and a supporting platform, the supporting platform is arranged between the four columns, further comprising a sub-scissor assembly, the sub-scissor assembly is installed on the supporting platform, the sub-scissor assembly comprises a top plate, an outer scissor arm, an inner scissor arm, a safety mechanism and an oil cylinder; the outer scissor arm and the inner scissor arm are hingedly connected with each other, and both are hingedly connected with the supporting platform, the top plate is hingedly connected with the outer scissor arm and the inner scissor arm away from the supporting platform, and the top plate always keeps parallel with the supporting platform; the safety mechanism and the oil cylinder are placed side by side in the middle of the inner scissor arm, and the supporting platform is provided with an opening for placing the sub-scissor assembly, and when the sub-scissor assembly is lowered to the lowest point, the upper surface of the top plate and the upper surface of the supporting platform are in the same plane.

[0005] Further, two groups of parallel arranged supporting platforms are arranged between the four columns, and one group of sub-scissor assemblies is arranged on each of the two groups of supporting platforms, the outer scissor arm of the left sub-scissor assembly is provided with a photoelectric switch, and the outer scissor arm of the right sub-scissor assembly is provided with a reflector, and the photoelectric switch and the reflector are in the same straight line.

[0006] Further, the supporting platform is provided with a ball assembly, the ball assembly comprises a side sliding plate, a bolt and a ball seat, a plurality of ball seats are arranged at the rear of the supporting platform, slide rails are arranged at the front and rear ends of the plurality of ball seats, the side sliding plate can slide on the slide rails, the side sliding plate is used for covering the ball seat, and the bolt is used for fixing the side sliding plate on the supporting platform.

[0007] Further, the front end of the support platform is provided with a rotating assembly, the rotating assembly comprises a rotating disc, an adjusting block and a cover plate, the rotating disc is detachably installed on the support platform, the adjusting block is placed at the front and rear ends of the rotating disc, the adjusting block comprises a plurality of groups of long blocks and short blocks with different lengths, and the cover plate is used for covering the rotating disc; the height of the cover plate and the adjusting block is flat with the support platform.

[0008] Further, the front end of the support platform is provided with a baffle, and the rear end of the support platform is provided with an inclined table.

[0009] Further, the hydraulic pump and the hydraulic oil tank are installed on the column, and the hydraulic pump is respectively communicated with the hydraulic oil tank and the oil cylinder.

[0010] Compared with the prior art, the outer shear arm and the inner shear arm that are hingedly connected can maintain the top vehicle plate and the support platform parallel, the oil cylinder can drive the outer shear arm to lift the top vehicle plate, and when the oil cylinder controls the support platform to drop to the lowest position, the shear lifting device composed of the outer shear arm, the inner shear arm, the safety mechanism and the oil cylinder can be stored below the top vehicle plate and in the support platform, so that the upper surface of the support platform is maintained flat; in the preferred scheme, the photoelectric switch emits a photoelectric signal, which is reflected by the reflector and bounced back to the photoelectric switch, so that the lifting angles of the two outer shear arms are consistent, the two top vehicle plates are always maintained in the same plane during lifting and lowering, and the risk of accidental falling caused by the vehicle being lifted obliquely is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective view of the utility model;

[0012] Figure 2 is a working view of the utility model;

[0013] Figure 3 is an explosion view of the sub-shear assembly in the utility model;

[0014] Figure 4 is a perspective view of the right side sub-shear assembly in the utility model;

[0015] Figure 5 is a perspective view of the left side sub-shear assembly in the utility model;

[0016] Figure 6 is an explosion view of the utility model.

[0017] MARKS OF THE DRAWINGS:

[0018] Among them;

[0019] 1, column;

[0020] 2, support platform; 20, opening;

[0021] 3, sub shear assembly; 30, top car plate; 31, inner shear arm; 32, outer shear arm; 33, oil cylinder; 34, safety mechanism; 35, photoelectric switch; 36, reflector plate;

[0022] 4, ball assembly; 40, side slide plate; 41, ball seat; 42, bolt;

[0023] 5, rotating assembly; 50, rotating disc; 51, adjusting block; 52, cover plate;

[0024] 6, baffle plate;

[0025] 7, inclined table;

[0026] 8, hydraulic oil tank;

[0027] 9, hydraulic pump. DETAILED DESCRIPTION

[0028] The utility model will be explained in detail in combination with specific embodiments.

[0029] In the utility model, except another explicit stipulation and limitation, when appearing the term such as " set in " " be connected " " connection " these terms should be broad sense to understand, for example, can be fixed connection, detachable connection or integral connection, can be direct connection or through one or more intermediate media is connected. For the person skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances. For the direction word appearing in the utility model, it is to better explain the characteristics of features and the relationship between features, it should be understood that when the display direction of the utility model changes, the direction of the characteristics of features and the relationship between features also changes accordingly, therefore the direction word does not constitute the absolute limitation of the characteristics of features and the relationship between features in space, and only plays the relative limitation.

[0030] For example, Figures 1 to 6The utility model provides a four -column lifting machine of shearing type lifter hides in roof plate, including four parallelly arranged stand 1 and support platform 2, support platform 2 sets up between four groups of stand 1, still include sub -scissors sub -assembly 3, sub -scissors sub -assembly 3 installs on support platform 2, sub -scissors sub -assembly 3 includes roof plate 30, outer scissors arm 32, inner scissors arm 31, safety mechanism 34 and oil cylinder 33, outer scissors arm 32 and inner scissors arm 31 are mutually hinged, and outer scissors arm 32 and inner scissors arm 31 are all hinged on support platform 2, roof plate 30 is hinged on outer scissors arm 32 and inner scissors arm 31 and is away from support platform 2 one side, and roof plate 30 always keeps parallel with support platform 2, safety mechanism 34 and oil cylinder 33 are placed in the middle of inner scissors arm 31 side by side, and support platform 2 is provided with the opening 20 of placing sub -scissors sub -assembly 3, when sub -scissors sub -assembly 3 lowers to the lowest point, the upper surface of roof plate 30 and the upper surface of support platform 2 are in the same plane.

[0031] Through the above design scheme, the outer scissors arm 32 and the inner scissors arm 31 that are hinged can maintain the parallelism between the roof plate 30 and the support platform 2, the oil cylinder 33 can lift the roof plate 30 by driving the outer scissors arm 32, and when the oil cylinder 33 controls the support platform 2 to descend to the lowest position, the shearing type lifter composed of the outer scissors arm 32, the inner scissors arm 31, the safety mechanism 34, and the oil cylinder 33 can be stored under the roof plate 30 and in the support platform 2, maintaining the flatness of the upper surface of the support platform 2.

[0032] In the embodiment, the safety mechanism 34 is a lifting machine safety structure, which can protect the roof plate 30. Since the safety mechanism 34 is a prior art, it is not described in detail in the embodiment.

[0033] In the embodiment, two groups of parallel support platforms 2 are arranged between the four groups of stand 1, and one group of sub-scissors sub-assemblies 3 is arranged on each of the two groups of support platforms 2. The outer scissors arm 32 of the left sub-scissors sub-assembly 3 is provided with a photoelectric switch 35, and the outer scissors arm 32 of the right sub-scissors sub-assembly 3 is provided with a reflector 36. The photoelectric switch 35 and the reflector 36 are in the same straight line.

[0034] When the sub-scissors sub-assembly 3 needs to lift the car, the two oil cylinders 33 may not be able to lift synchronously, causing the two roof plates 30 to be not in the same horizontal plane, and the inclined roof plate 30 may cause the car to roll over during lifting, which is dangerous. According to the above design scheme, the photoelectric signal emitted by the photoelectric switch 35 is reflected by the reflector 36 and then captured by the photoelectric switch 35. When the two roof plates 30 are not in the same horizontal plane or one of the sub-scissors sub-assemblies 3 stops lifting due to pressure loss, the photoelectric switch 35 and the reflector 36 are misaligned, and the photoelectric switch 35 cannot detect the signal reflected by the reflector 36. The hydraulic system stops immediately and sends an alarm, preventing the vehicle from falling accidentally due to tilting.

[0035] In the embodiment, the support platform 2 is provided with a ball assembly 4, the ball assembly 4 comprises a side sliding plate 40, a plug 42 and a ball seat 41, the rear of the support platform 2 is provided with a plurality of groups of ball seats 41, the front and rear ends of the plurality of groups of ball seats 41 are provided with sliding rails, the side sliding plate 40 can slide on the sliding rails, the side sliding plate 40 is used for covering the ball seat 41, and the plug 42 is used for fixing the side sliding plate 40 on the support platform 2.

[0036] Through the above design scheme, the ball assembly 4 at the rear of the support platform 2 can make the rear wheels of the automobile roll in place on the support platform 2. In general, the side sliding plate 40 is installed on the support platform 2, and the plug 42 is inserted to fix the side sliding plate 40. When the rear wheels of the automobile need to be detected, the car lifting plate 30 is raised to lift the automobile, then the plug 42 is pulled out and the side sliding plate 40 is pulled out, and then the automobile is lowered to make the rear wheels fall on the ball assembly 4. When the automobile needs to be driven off the support platform 2, the car lifting plate 30 lifts the automobile, the side sliding plate 40 is inserted into the support platform 2, and the plug 42 is inserted to make the rear of the support platform 2 flat again.

[0037] In the embodiment, the front end of the support platform 2 is provided with a rotating assembly 5, the rotating assembly 5 comprises a rotating disc 50, an adjusting block 51 and a cover plate 52, the rotating disc 50 is detachably installed on the support platform 2, the adjusting block 51 is placed at the front and rear ends of the rotating disc 50, the adjusting block 51 comprises a plurality of groups of long blocks and short blocks with different lengths, and the cover plate 52 is used for covering the rotating disc 50. The height of the cover plate 52 and the adjusting block 51 is flat with the support platform 2.

[0038] Through the above design scheme, the rotating disc 50 can be used to support the front wheels of the automobile and make the front wheels rotate on the support platform 2, which is convenient for maintenance and testing. Since the front wheels of the vehicle are difficult to directly align with the rotating disc 50 when the vehicle is on the support platform 2, the maintenance personnel can adjust the position of the rotating disc 50 after the automobile stops, and the adjusting blocks with different lengths can fix the rotating disc 50 to any position in front of the support platform 2, which is convenient for the front wheels parked at different positions. The adjusting block 51 is used for positioning the rotating disc 50. When the rotating disc 50 is adjusted to different positions, the adjusting blocks 51 with different lengths are filled into other empty places to fix the rotating disc 50, so as to avoid the rotating disc 50 from sliding randomly and changing positions. When the rotating disc 50 is not needed, the maintenance personnel can cover the rotating disc 50 with the cover plate 52 to maintain the stability of the support platform 2 and reduce the bumping feeling of the vehicle when driving on the support platform 2.

[0039] In the embodiment, the front end of the support platform 2 is provided with a baffle 6, and the rear end of the support platform 2 is provided with an inclined table 7.

[0040] Through the above design scheme, the baffle 6 at the front end of the support platform 2 is used to avoid the automobile from falling down excessively, and the inclined table 7 at the rear of the support platform 2 can facilitate the automobile to drive onto the support platform 2 from the flat ground.

[0041] In the embodiment, the hydraulic pump 9 and the hydraulic oil tank 8 are installed on the column 1, and the hydraulic pump 9 is communicated with the hydraulic oil tank 8 and the oil cylinder 33, respectively.

[0042] Since the hydraulic oil tank 8, the hydraulic pump 9 and the related oil circuit system belong to the prior art and are not the improvement points of the embodiment, they are not described in detail in the embodiment.

[0043] Compared with the prior art, the photoelectric switch 35 emits an optical signal, which is reflected by the reflector 36 and then bounces back to the photoelectric switch 35, so as to ensure that the lifting angles of the two groups of outer shear arms are consistent, the two groups of top vehicle plates 30 are always maintained in the same plane during the lifting and lowering process, and the risk of accidental falling caused by the inclined lifting of the vehicle is avoided.

[0044] In the case of no conflict, the above embodiments and features in the embodiments can be combined with each other.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited to the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A four-column lifting machine with scissors-type lift concealed in the top car plate, comprising four parallel arranged columns (1) and a supporting platform (2) arranged between the four groups of columns (1), characterized in that: Also include sub-cutting assembly (3), sub-cutting assembly (3) is installed on the support platform (2), sub-cutting assembly (3) includes the top car plate (30), the outer shear arm (32), the inner shear arm (31), the safety mechanism (34) and the oil cylinder (33); the outer shear arm (32) and the inner shear arm (31) are hinged to each other, while the outer shear arm (32) and the inner shear arm (31) are hinged on the support platform (2), the top car plate (30) is hinged on the outer shear arm (32) and the inner shear arm (31) away from the support platform (2) side, the top car plate (30) is always parallel to the support platform (2); the safety mechanism (34) and the oil cylinder (33) are placed side by side in the middle of the inner shear arm (31), the support platform (2) is provided with an opening (20) for placing the sub-cutting assembly (3), when the sub-cutting assembly (3) is lowered to the lowest point, the upper surface of the top car plate (30) and the upper surface of the support platform (2) are in the same plane.

2. A four-post lift that tucks scissors-style lift arms within the top deck of the lift, according to claim 1, wherein: Four groups of vertical columns (1) are provided with two groups of parallel support platforms (2), and one group of sub-cutting assemblies (3) is arranged on each of the two groups of support platforms (2), the outer shear arm (32) of the left sub-cutting assembly (3) is provided with a photoelectric switch (35), and the outer shear arm (32) of the right sub-cutting assembly (3) is provided with a reflector (36), the photoelectric switch (35) and the reflector (36) are in the same straight line.

3. A four-post lift that tucks scissors-style lift arms within the top deck of the lift, according to claim 1, wherein: The support platform (2) is provided with a ball assembly (4), the ball assembly (4) includes a side sliding plate (40), a bolt (42) and a ball seat (41), a plurality of ball seats (41) are arranged at the rear of the support platform (2), the front and rear ends of the plurality of ball seats (41) are provided with slide rails, the side sliding plate (40) can slide on the slide rails, the side sliding plate (40) is used to cover the ball seat (41), and the bolt (42) is used to fix the side sliding plate (40) on the support platform (2).

4. A four-post lift that tucks scissors-style lift arms within the top deck of the lift, according to claim 1, wherein: The front end of the support platform (2) is provided with a rotating assembly (5), the rotating assembly (5) includes a rotating disc (50), an adjusting block (51) and a cover plate (52), the rotating disc (50) is detachably installed on the support platform (2), the adjusting block (51) is placed at the front and rear ends of the rotating disc (50), the adjusting block (51) includes a plurality of long blocks and short blocks with different lengths, and the cover plate (52) is used to cover the rotating disc (50); the height of the cover plate (52) and the adjusting block (51) is level with the support platform (2).

5. A four-post lift that tucks scissors-style lift arms within the top deck of the lift, according to claim 1, wherein: The front end of the support platform (2) is provided with a baffle (6), and the rear end of the support platform (2) is provided with an inclined table (7).

6. A four-post lift that tucks scissors-style lift arms within the top deck of the lift, according to claim 1, wherein: The vertical column (1) is provided with a hydraulic pump (9) and a hydraulic oil tank (8), and the hydraulic pump (9) is communicated with the hydraulic oil tank (8) and the oil cylinder (33) respectively.

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