Automobile lifting machine

Abstract

The utility model discloses an automobile lifting machine which comprises a base, a moving part and two lifting parts, the moving part is arranged on the top of the base and provided with a moving plate transversely arranged on the top of the base in a sliding mode, and the lifting parts are provided with stand columns arranged on the top of the base and the top of the moving plate. A lifting frame is vertically arranged in the stand column in a sliding mode, a hydraulic assembly is arranged on the side face of the stand column, a lifting frame is arranged on the side face of the lifting frame, meshing teeth a are arranged on the top of the lifting frame, and a lifting arm is rotationally arranged on the top of the lifting frame. The movable part and the lifting part are arranged, one stand column can be driven to move through the movable plate, the distance between the two stand columns can be flexibly adjusted, and the parking requirements of vehicles with different axle distances are met; and meanwhile, through mutual meshing of the meshing teeth a and the meshing teeth b, the angle can be automatically locked when the lifting arm is stressed, the stability and safety in the lifting process are ensured, and the vehicle slipping accident is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to lifting machine technical field, concretely is a kind of automobile lifting machine. BACKGROUND

[0002] Hydraulic double-column lifting machine is a common automobile maintenance equipment, mainly used to lift vehicle to a certain height, facilitate chassis inspection, tire replacement and other operations.The core principle is based on hydraulic transmission technology, and the lifting arm is driven to move by the pressure of hydraulic oil.

[0003] The existing double-column lifting machine has fixed distance between two columns, which cannot adapt to vehicles with different wheelbase.When parking the vehicle, if the wheel spacing does not match the lifting pile spacing, it may cause the vehicle to be difficult to park accurately, even scratch the tire or chassis, and the existing locking mechanism relies on manual intervention such as manual bolt or bolt fixing, which cannot automatically and quickly lock when lifting force, affecting safety and efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automobile lifting machine to solve the above-mentioned background art of the existing double-column lifting machine with fixed distance between two columns, which cannot adapt to vehicles with different wheelbase, and when parking the vehicle, if the wheel spacing does not match the lifting pile spacing, it may cause the vehicle to be difficult to park accurately, even scratch the tire or chassis, and the existing locking mechanism relies on manual intervention such as manual bolt or bolt fixing, which cannot automatically and quickly lock when lifting force, affecting safety and efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of automobile lifting machine, including base, moving part and lifting part:

[0006] The moving part is arranged on the top of the base, and the moving part has a moving plate arranged horizontally on the top of the base.The lifting part is provided with two, and the two lifting parts are arranged on the top of the base and the moving plate respectively.The two lifting parts are mirror image arranged.The lifting part has a stand column arranged on the top of the base and the moving plate.The inside of the stand column is vertically slidably arranged with a lifting frame.The side of the lifting frame is provided with a lifting frame.The top of the lifting frame is provided with a tooth a.The top of the lifting frame is rotatably provided with a lifting arm.The inside of the lifting arm is provided with a tooth b.The lifting arm and the tooth b are mutually engaged to fix the rotation angle of the lifting arm.

[0007] By adopting the above technical scheme, one stand column can be displaced by the moving plate, the distance between the two stand columns can be flexibly adjusted, and the parking needs of vehicles with different wheelbase can be met.Meanwhile, through the mutual engagement of the tooth a and the tooth b, the angle can be automatically locked when the lifting arm is stressed, ensuring the stability and safety during lifting, and effectively preventing the occurrence of vehicle slipping accidents.

[0008] Preferably, the base has a sliding rail opened at the top of the base, and the bottom of the moving plate is provided with a pulley which is embedded in the sliding rail and connected with the base in transverse sliding mode.

[0009] By adopting the above technical scheme, smooth sliding of the moving plate on the base is realized, and the smoothness and accuracy of the process of adjusting the distance between the columns are ensured, and the cooperation structure of the pulley and the sliding rail can bear a large transverse load, thereby ensuring the overall stability of the equipment.

[0010] Preferably, the moving part has a screw rod which is transversely arranged in the base, the bottom of the moving plate is provided with a sliding block, a threaded groove is opened in the inside of the sliding block, the screw rod transversely penetrates through the threaded groove and is connected with the moving plate in threaded nesting mode, and the side surface of the base is provided with a motor, and the output end of the motor is connected with the screw rod.

[0011] By adopting the above technical scheme, the screw rod can be driven to rotate by the motor, and the moving plate can be driven to displace transversely on the top of the base.

[0012] Preferably, the lifting part further has a rotating groove which is opened at both ends of the lifting frame, and the inside of the lifting arm is provided with a rotating shaft which vertically penetrates through the rotating groove and is connected with the lifting frame in rotating mode.

[0013] By adopting the above technical scheme, free rotation adjustment of the lifting arm can be realized, thereby facilitating adaptation to the positions of the chassis support points of different vehicle models.

[0014] Preferably, the rotating groove is arranged at the center of the occlusal tooth a, and the occlusal tooth a is arranged in a central rotational symmetry structure around the center of the rotating groove.

[0015] By adopting the above technical scheme, the occlusal tooth a and the occlusal tooth b can maintain a good meshing state at any rotation angle.

[0016] Preferably, the rotating shaft is arranged at the center of the occlusal tooth b, and the occlusal tooth b is arranged in a central rotational symmetry structure around the center of the rotating shaft.

[0017] By adopting the above technical scheme, the occlusal tooth b and the occlusal tooth a can form uniform stress distribution, thereby avoiding local stress concentration and prolonging the service life of the occlusion mechanism.

[0018] Preferably, the lifting part further has a lifting disc which is arranged at the end of the lifting arm and abuts against the chassis of the automobile.

[0019] By adopting the above technical scheme, the chassis of the automobile can be lifted.

[0020] Preferably, the lifting part further has a spring nested outside the rotating shaft, which is located on the top surface of the lifting frame and between the lifting frame and the lifting arm.

[0021] By adopting the technical scheme, the spring force can separate the occlusal tooth a and the occlusal tooth b when the car is not lifted, so that the lifting arm can rotate normally.

[0022] Compared with the prior art, the utility model has the advantages that: the mobile part and the lifting part are arranged, one column can be displaced by the mobile plate, the distance between the two columns can be adjusted flexibly, and the parking demand of vehicles with different wheelbases can be met; the angle can be automatically locked when the lifting arm is stressed through the mutual occlusion of the occlusal tooth a and the occlusal tooth b, the stability and safety during lifting are ensured, and the occurrence of vehicle slipping accidents is effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the application;

[0024] Figure 2 It is a base structure schematic view of the application;

[0025] Figure 3 It is a mobile plate and lifting part connection structure schematic view of the application;

[0026] Figure 4 It is a lifting frame and lifting arm connection structure schematic view of the application;

[0027] Figure 5 It is a lifting frame and lifting arm connection cross section structure schematic view of the application;

[0028] Figure 6 It is a lifting frame structure schematic view of the application;

[0029] Figure 7 It is a lifting arm structure schematic view of the application.

[0030] In the drawing: 1, base; 101, slide rail; 2, mobile part; 201, mobile plate; 202, pulley; 203, sliding block; 204, screw groove; 205, screw rod; 206, motor; 3, lifting part; 301, column; 302, lifting frame; 303, hydraulic assembly; 304, lifting frame; 305, occlusal tooth a; 306, rotating groove; 307, lifting arm; 308, rotating shaft; 309, occlusal tooth b; 310, lifting disc; 311, spring. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Embodiment one

[0033] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a technical solution: a car lifting machine, comprising a base 1, a moving part 2 and a lifting part 3:

[0034] The moving part 2 is arranged on the top of the base 1, the moving part 2 has a moving plate 201 arranged transversely and slidably on the top of the base 1, the lifting part 3 is provided with two, the two lifting parts 3 are arranged on the top of the base 1 and the moving plate 201 respectively, the two lifting parts 3 are arranged in mirror image, the lifting part 3 has a stand column 301 arranged on the top of the base 1 and the moving plate 201, a lifting frame 302 is arranged vertically and slidably in the interior of the stand column 301, a hydraulic assembly 303 is arranged on the side surface of the stand column 301, the working principle of the hydraulic double-column lifting machine is that the lifting frame 302 is driven to lift by the hydraulic assembly 303, the above is the prior art, and the following will not be described.

[0035] The side surface of the lifting frame 302 is provided with a lifting frame 304, the top of the lifting frame 304 is provided with a clamping tooth a 305, the top of the lifting frame 304 is rotatably provided with a lifting arm 307, the interior of the lifting arm 307 is provided with a clamping tooth b 309, the lifting arm 307 and the clamping tooth b 309 are mutually clamped to fix the rotation angle of the lifting arm 307, one stand column 301 can be driven to displace by the moving plate 201, the distance between the two stand columns 301 can be flexibly adjusted, and the parking demand of vehicles with different wheelbase can be met; meanwhile, the angle can be automatically locked when the lifting arm 307 is stressed through the mutual clamping of the clamping tooth a 305 and the clamping tooth b 309, the stability and safety in the lifting process are ensured, and the occurrence of vehicle slipping accidents is effectively prevented.

[0036] Embodiment two

[0037] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a technical solution: a car lifting machine, comprising a base 1, a moving part 2:

[0038] A sliding rail 101 is horizontally arranged on the top of the base 1, and a sliding wheel 202 is arranged on the bottom of the moving plate 201, the sliding wheel 202 is embedded in the sliding rail 101 and is horizontally connected with the base 1, so that the moving plate 201 can slide on the base 1 stably, and the smoothness and accuracy of the distance adjustment process of the stand column 301 are ensured, and the cooperation structure of the sliding wheel 202 and the sliding rail 101 can bear a large horizontal load, so that the overall stability of the equipment is ensured.

[0039] A screw rod 205 is horizontally arranged in the base 1, a sliding block 203 is arranged on the bottom of the moving plate 201, a threaded groove 204 is arranged in the sliding block 203, the screw rod 205 horizontally penetrates through the threaded groove 204 and is threadedly nested with the moving plate 201, a motor 206 is arranged on the side of the base 1, the output end of the motor 206 is connected with the screw rod 205, the working principle of the motor 206 is based on electromagnetic induction and Lorentz force, the motor 206 generates force in the magnetic field through current, so as to drive mechanical movement, the above is prior art, and the following will not be repeated, when the model is matched, the power should be matched with the type required by the device, so that the object to be driven can be driven, the screw rod 205 can be driven to rotate by the motor 206, and then the moving plate 201 can be driven to horizontally displace on the top of the base 1.

[0040] Embodiment three

[0041] Please refer to Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , the embodiment provides a technical scheme: A car lifter comprises a lifting part 3, a lifting frame 304 and a lifting arm 307.

[0042] Rotary grooves 306 are arranged at the two ends of the lifting frame 304, and a rotating shaft 308 is arranged in the lifting arm 307, the rotating shaft 308 vertically penetrates through the rotary grooves 306 and is rotationally connected with the lifting frame 304, so that the lifting arm 307 can be freely adjusted in rotation, and it is convenient to adapt to the positions of the chassis support points of different vehicle models.

[0043] The rotary grooves 306 are arranged at the centers of the occlusal teeth a 305, the occlusal teeth a 305 are arranged in a central rotational symmetry structure around the centers of the rotary grooves 306, so that the occlusal teeth a 305 and the occlusal teeth b 309 can keep a good meshing state at any rotation angle.

[0044] The rotating shaft 308 is arranged at the center of the occlusal teeth b 309, and the occlusal teeth b 309 are arranged in a central rotational symmetry structure around the center of the rotating shaft 308, so that the occlusal teeth b 309 and the occlusal teeth a 305 can form uniform stress distribution, local stress concentration is avoided, and the service life of the occlusal mechanism is prolonged.

[0045] The lifting disc 310 is arranged at the end of the lifting arm 307 and abuts against the chassis of the automobile, so as to lift the chassis of the automobile.

[0046] The spring 311 is arranged outside the rotating shaft 308 and is located between the lifting frame 304 and the lifting arm 307, so that the spring 311 provides elastic force to make the engaging tooth a 305 and the engaging tooth b 309 be in a separated state when the automobile is not lifted, and the lifting arm 307 can rotate normally.

[0047] Working principle: first, the operator starts the motor 206 to drive the screw rod 205 to rotate, drives the moving plate 201 to move transversely along the slide rail 101, adjusts the distance between the two upright columns 301 to adapt to vehicles with different wheelbase. When the vehicle is parked in the appropriate position, the operator operates the hydraulic assembly 303 to make the lifting frame 302 drive the lifting frame 304 to rise, and when the lifting arm 307 contacts the chassis of the vehicle, the engaging tooth a 305 and the engaging tooth b 309 are engaged and locked under the action of the gravity of the vehicle, and the spring 311 is compressed to provide pre-tightening force. During the lifting process, the pressure of the hydraulic system and the mechanical locking mechanism jointly act to ensure the safety and reliability of the lifting. After the maintenance work is completed, the hydraulic system is slowly depressurized, the lifting frame 302 is stably lowered, the spring 311 is reset to make the engaging mechanism separate, and the lifting arm 307 returns to the free rotating state.

[0048] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "installation", "arranged with", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the intercommunication of two elements, for the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific situation.

[0049] Although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skilled person in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vehicle lift characterized by, The utility model relates to a lifting device for automobile, which comprises a base, a moving part arranged on the top of the base, two lifting parts arranged on the top of the base and the moving part respectively, and a lifting device. The base is provided with a sliding rail on the top, and the bottom of the moving plate is provided with a pulley embedded in the sliding rail and connected with the base transversely. The moving part is provided with a screw rod arranged in the base transversely, the bottom of the moving plate is provided with a sliding block, the inside of the sliding block is provided with a threaded groove, the screw rod passes through the threaded groove transversely and is connected with the moving plate in a threaded embedding mode, and the side of the base is provided with a motor connected with the screw rod. The lifting part is further provided with a rotating groove arranged at both ends of the lifting frame, the inside of the lifting arm is provided with a rotating shaft vertically penetrating the rotating groove and connected with the lifting frame in a rotating mode.

2. The vehicle lift of claim 1, wherein: The rotating groove is arranged at the center of the engaging tooth a, and the engaging tooth a is arranged in a central rotational symmetry structure around the center of the rotating groove.

3. A vehicle lift according to claim 2 wherein: The rotating shaft is arranged at the center of the engaging tooth b, and the engaging tooth b is arranged in a central rotational symmetry structure around the center of the rotating shaft.

4. The vehicle lift of claim 1, wherein: The lifting part is further provided with a lifting disc arranged at the end of the lifting arm, and the lifting disc is abutted with the chassis of the automobile.

5. A vehicle lift according to claim 4 wherein: The lifting part is further provided with a spring arranged outside the rotating shaft, and the spring is arranged on the top surface of the lifting frame and between the lifting frame and the lifting arm.

6. The vehicle lift of claim 4, wherein: ​ 7. The vehicle lift of claim 1, wherein: ​ 8. The vehicle lift of claim 1, wherein: ​

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