Lifting frame for automobile maintenance training

Abstract

The utility model relates to the technical field of lifting frames, in particular to a lifting frame for automobile maintenance training, which comprises a base and a bearing plate arranged on the upper surface of the base and used for supporting an automobile. The lifting assembly comprises four mounting rods which are fixedly arranged on the upper surface of the base in a rectangular array, and strip-shaped grooves extending into the base are formed in the surfaces of the four mounting rods; and the limiting assembly comprises clamping plates which are arranged on the outer surface of the bearing plate and correspond to the four wheels of the automobile, and two symmetrical limiting columns used for limiting hubs of the wheels of the automobile are fixedly arranged on the surfaces of the clamping plates. By arranging the limiting assembly, when an automobile runs to the bearing plate, the double-shaft synchronous motor can be started, the limiting columns on the clamping plates are driven to be inserted into hubs of automobile wheels, effective limiting of the automobile wheels is achieved, then the stability of the automobile after being lifted is effectively guaranteed, and the situation that the automobile moves front and back is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting frames, in particular to a lifting frame for automobile maintenance training. Background Art

[0002] Lifting racks are often seen in automobile repair processes. They are special lifting equipment that facilitates the repair and maintenance of vehicles.

[0003] In the prior art, a Chinese patent with announcement number CN216403699U discloses a four-wheel safety lifting frame for low-profile maintenance of automobiles, which adopts the scheme of "including: four lifting mechanisms, one lifting mechanism is set at each diagonal point of the four squares, and also includes: a supporting pallet connected between the lifting mechanisms and lifted and lowered by the lifting mechanisms, the supporting pallet is used to hold the automobile, and the middle part of the supporting pallet has a through space; a plurality of slide rails are connected to the bottom of the supporting pallet at intervals; a plurality of movable slide plates are slidably connected between the slide rails, one movable slide plate is supported by two slide rails, and the movable slide plate moves along the slide rails to open or block the through space; a plurality of hanging parts are connected to the movable slide plate at intervals for placing maintenance tools; and a plurality of lamps are connected to the movable slide plate for lighting". This scheme overcomes the technical problems of lack of a mechanism for conveniently placing maintenance tools, and a relatively dark maintenance environment and inconvenient operation.

[0004] However, the above solution still has some shortcomings. For example, after the lifting frame actually lifts the car, the car on the supporting plate only relies on the anti-skid strips to prevent the wheels from slipping, resulting in poor stability of the car after lifting.

[0005] In view of this, the utility model proposes a lifting frame for automobile maintenance training. Utility Model Content

[0006] The purpose of the utility model is to provide a lifting frame for automobile maintenance training to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting frame for automobile maintenance training, comprising:

[0008] A base, and a load-bearing plate arranged on the upper surface of the base for supporting the car, wherein the upper surface of the load-bearing plate is provided with a training opening;

[0009] A lifting assembly, which is used to lift the load-bearing plate, the lifting assembly includes four mounting rods fixedly arranged on the upper surface of the base in a rectangular array, and the surfaces of the four mounting rods are provided with strip grooves extending to the inside of the base, the inner wall of the strip groove is rotatably provided with a precision screw, the inside of the base is provided with a rectangular cavity, and the inner wall of the rectangular cavity is fixedly provided with a double-axis precision motor, the two output ends of the double-axis precision motor are fixedly provided with a rotating rod, and the inner wall of the rectangular cavity is rotatably provided with four connecting shafts extending to the inside of the four strip grooves respectively;

[0010] A limiting assembly is used to limit the position of the automobile entering the load-bearing plate. The limiting assembly includes a clamping plate arranged on the outer surface of the load-bearing plate and corresponding to the four wheels of the automobile. Two symmetrical limiting columns for limiting the wheel hub of the automobile are fixed on the surface of the clamping plate. The inner wall of the training opening is provided with a dual-axis synchronous motor for driving the clamping plate to move.

[0011] As a preferred technical solution, an active bevel gear is fixedly provided at one end of the rotating rod away from the dual-axis precision motor, and bevel gears meshing with each other are fixedly provided at one end of the connecting shaft located inside the strip groove and the outer surface of the bottom end of the precision lead screw.

[0012] As a preferred technical solution, a driven bevel gear is fixedly provided at one end of the connecting shaft located inside the rectangular cavity, and every two driven bevel gears are respectively meshed with one driving bevel gear.

[0013] As a preferred technical solution, the inner walls of the four strip grooves are slidably provided with connecting blocks, the upper surface of the connecting blocks is provided with threaded holes threadedly connected to the outer surface of the precision screw, and the ends of the four connecting blocks are fixedly connected to the outer surface of the load-bearing plate.

[0014] As a preferred technical solution, both inner walls of the training opening are provided with installation cavities, and the dual-axis synchronous motor is fixed inside the installation cavity, and both output ends of the dual-axis synchronous motor are fixed with threaded columns.

[0015] As a preferred technical solution, the inner wall of the installation cavity is provided with two symmetrical sliding holes extending to the outer surface of the load-bearing plate, the inner wall of the sliding hole is slidably provided with an internal threaded tube, the outer surface of the threaded column is threadedly connected to the inner wall of the internal threaded tube, and the clamping plate is fixed at the end of the internal threaded tube, a limit block is fixed at the end of the internal threaded tube, and the inner wall of the installation cavity is provided with a limit groove for the limit block to slide.

[0016] As a preferred technical solution, the upper surface of the load-bearing plate is provided with a semi-cylindrical limiting strip for limiting the position of the car, and the side of the base is provided with two symmetrical inclined blocks for facilitating the entry of the car into the upper surface of the load-bearing plate.

[0017] Beneficial Effects

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model sets a lifting component so that when the lifting frame actually lifts the car, it can start the double-axis precision motor to achieve the purpose of rotating four precision screws at the same time, drive the load-bearing plate to lift the car upward, and realize the purpose of automatic lifting of the car. The lifting mechanism adopts the method of synchronous transmission of four threads to effectively ensure the stability of the car during lifting.

[0020] 2. The utility model sets a limit assembly. When the car drives onto the load-bearing plate, it can start the dual-axis synchronous motor to drive the limit column on the clamping plate to insert into the wheel hub of the car wheel, thereby effectively limiting the car wheel, thereby effectively ensuring the stability of the car after lifting, and avoiding the front and rear displacement of the car. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the bottom-up section structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the top-sectional structure of the utility model.

[0026] In the figure:

[0027] 100, base;

[0028] 200, load-bearing plate;

[0029] 300, lifting assembly; 301, mounting rod; 302, precision screw; 303, double-axis precision motor; 304, rotating rod; 305, connecting shaft; 306, driving bevel gear; 307, bevel gear; 308, driven bevel gear; 309, connecting block;

[0030] 400, limit assembly; 401, clamping plate; 402, limit column; 403, dual-axis synchronous motor; 404, threaded column; 405, internal threaded cylinder; 406, limit block;

[0031] 500, semi-cylindrical limiting strip;

[0032] 600. Oblique block. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Embodiment 1

[0035] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a lifting frame for automobile maintenance training, comprising:

[0036] A base 100, and a load-bearing plate 200 disposed on the upper surface of the base 100 for supporting the car, wherein the upper surface of the load-bearing plate 200 is provided with a training opening;

[0037] The upper surface of the load-bearing plate 200 is provided with a semi-cylindrical limiting strip 500 for limiting the position of the vehicle, and the side surface of the base 100 is provided with two symmetrical inclined blocks 600 for facilitating the vehicle to enter the upper surface of the load-bearing plate 200 .

[0038] A lifting assembly 300 is used to lift the load-bearing plate 200. The lifting assembly 300 includes four mounting rods 301 fixedly arranged on the upper surface of the base 100 in a rectangular array, and the surfaces of the four mounting rods 301 are all provided with strip grooves extending to the inside of the base 100, and the inner wall of the strip groove is rotatably provided with a precision screw 302. A rectangular cavity is opened inside the base 100, and a double-axis precision motor 303 is fixedly arranged on the inner wall of the rectangular cavity. A rotating rod 304 is fixedly arranged at both output ends of the double-axis precision motor 303, and the inner wall of the rectangular cavity is rotatably provided with four connecting shafts 305 extending to the inside of the four strip grooves respectively;

[0039] An active bevel gear 306 is fixedly disposed on one end of the rotating rod 304 away from the dual-axis precision motor 303 , and mutually meshing bevel gears 307 are fixedly disposed on one end of the connecting shaft 305 located inside the strip groove and on the outer surface of the bottom end of the precision lead screw 302 .

[0040] A driven bevel gear 308 is fixedly disposed at one end of the connecting shaft 305 located inside the rectangular cavity, and every two driven bevel gears 308 are respectively meshed with one driving bevel gear 306 .

[0041] The inner walls of the four strip grooves are slidably provided with connecting blocks 309 , the upper surface of the connecting blocks 309 is provided with threaded holes threadedly connected to the outer surface of the precision screw 302 , and the ends of the four connecting blocks 309 are fixedly connected to the outer surface of the load-bearing plate 200 .

[0042] In this embodiment, by providing a lifting assembly 300, the lifting frame can drive the car to the upper surface of the load-bearing plate 200 when actually lifting the car, and then start the dual-axis precision motor 303 through an external controller. The rotation of the dual-axis precision motor 303 drives the two rotating rods 304 to rotate simultaneously. The rotation of the rotating rods 304 drives the active bevel gear 306 to rotate. The rotation of the active bevel gear 306 drives the two driven bevel gears 308 to rotate, thereby driving the two connecting shafts 305 to rotate simultaneously. The rotation of the connecting shaft 305 drives the precision lead screw 302 to rotate under the action of the two bevel gears 307, thereby achieving the purpose of rotating the four precision lead screws 302 at the same time. The simultaneous rotation of the four precision lead screws 302 drives the four connecting blocks 309 to move upward at the same time, thereby driving the load-bearing plate 200 to lift the car upward, thereby achieving the purpose of automatic lifting of the car. The lifting mechanism adopts a four-thread synchronous transmission method to effectively ensure the stability of the car during lifting.

[0043] Embodiment 2

[0044] On the basis of the first embodiment, and different from the first embodiment,

[0045] A lifting frame for automobile maintenance training, further comprising:

[0046] The limiting assembly 400 is used to limit the automobile entering the load-bearing plate 200. The limiting assembly 400 includes a clamping plate 401 arranged on the outer surface of the load-bearing plate 200 and corresponding to the four wheels of the automobile. Two symmetrical limiting columns 402 for limiting the wheel hub of the automobile are fixed on the surface of the clamping plate 401. The inner wall of the training opening is provided with a dual-axis synchronous motor 403 for driving the clamping plate 401 to move.

[0047] The inner walls on both sides of the training opening are provided with installation cavities, and the dual-axis synchronous motor 403 is fixed inside the installation cavity, and the two output ends of the dual-axis synchronous motor 403 are fixed with threaded columns 404.

[0048] The inner wall of the installation cavity is provided with two symmetrical sliding holes extending to the outer surface of the load-bearing plate 200, the inner wall of the sliding hole is slidably provided with an internal threaded tube 405, the outer surface of the threaded column 404 is threadedly connected with the inner wall of the internal threaded tube 405, and the clamping plate 401 is fixedly provided at the end of the internal threaded tube 405, the end of the internal threaded tube 405 is fixedly provided with a limit block 406, and the inner wall of the installation cavity is provided with a limit groove for the limit block 406 to slide

[0049] In this embodiment, by setting a limit assembly 400, when the car drives onto the load-bearing plate 200, the two semi-cylindrical limit strips 500 can be respectively located in front of the two front wheels and behind the two rear wheels of the car, thereby achieving the purpose of limiting the car. At the same time, the dual-axis synchronous motor 403 can be started, and the rotation of the dual-axis synchronous motor 403 drives the two threaded columns 404 to rotate. The rotation of the threaded columns 404 drives the internal threaded cylinder 405 to move inward, thereby driving the limit column 402 on the splint 401 to insert into the wheel hub of the car wheel, thereby achieving effective limiting of the car wheel, thereby effectively ensuring the stability of the car after lifting, and avoiding the front and rear displacement of the car.

[0050] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A lifting frame for automobile maintenance training, characterized in that: include, A base (100), and a load-bearing plate (200) disposed on the upper surface of the base (100) for supporting the automobile, wherein the upper surface of the load-bearing plate (200) is provided with a training opening; A lifting assembly (300) is used to lift the load-bearing plate (200), the lifting assembly (300) comprising four mounting rods (301) fixedly arranged on the upper surface of the base (100) in a rectangular array, and the surfaces of the four mounting rods (301) are all provided with strip grooves extending into the interior of the base (100), and the inner wall of the strip groove is rotatably provided with a precision lead screw (302), the interior of the base (100) is provided with a rectangular cavity, and the inner wall of the rectangular cavity is fixedly provided with a double-axis precision motor (303), and the two output ends of the double-axis precision motor (303) are fixedly provided with a rotating rod (304), and the inner wall of the rectangular cavity is rotatably provided with four connecting shafts (305) extending respectively into the interior of the four strip grooves; A limiting assembly (400) is used to limit the position of a car entering a load-bearing plate (200), the limiting assembly (400) comprising a clamping plate (401) arranged on the outer surface of the load-bearing plate (200) and corresponding to the four wheels of the car, two symmetrical limiting columns (402) for limiting the position of the wheel hub of the car are fixedly arranged on the surface of the clamping plate (401), and a dual-axis synchronous motor (403) for driving the clamping plate (401) to move is arranged on the inner wall of the training opening.

2. The lifting frame for automobile maintenance training according to claim 1, characterized in that: An active bevel gear (306) is fixedly provided at one end of the rotating rod (304) away from the dual-axis precision motor (303), and mutually meshing bevel gears (307) are fixedly provided at one end of the connecting shaft (305) located inside the strip groove and at the outer surface of the bottom end of the precision lead screw (302).

3. The lifting frame for automobile maintenance training according to claim 2, characterized in that: A driven bevel gear (308) is fixedly provided at one end of the connecting shaft (305) located inside the rectangular cavity, and every two driven bevel gears (308) are respectively meshed with one driving bevel gear (306).

4. The lifting frame for automobile maintenance training according to claim 1, characterized in that: The inner walls of the four strip-shaped grooves are slidably provided with connecting blocks (309), the upper surface of the connecting blocks (309) is provided with threaded holes threadedly connected to the outer surface of the precision lead screw (302), and the ends of the four connecting blocks (309) are fixedly connected to the outer surface of the load-bearing plate (200).

5. The lifting frame for automobile maintenance training according to claim 1, characterized in that: The inner walls on both sides of the training opening are provided with installation cavities, and the dual-axis synchronous motor (403) is fixed inside the installation cavity. The two output ends of the dual-axis synchronous motor (403) are fixed with threaded columns (404).

6. The lifting frame for automobile maintenance training according to claim 5, characterized in that: The inner wall of the installation cavity is provided with two symmetrical sliding holes extending to the outer surface of the load-bearing plate (200), the inner wall of the sliding hole is slidably provided with an internal threaded tube (405), the outer surface of the threaded column (404) is threadedly connected to the inner wall of the internal threaded tube (405), and the clamping plate (401) is fixedly arranged at the end of the internal threaded tube (405), a limit block (406) is fixedly arranged at the end of the internal threaded tube (405), and the inner wall of the installation cavity is provided with a limit groove for the limit block (406) to slide.

7. The lifting frame for automobile maintenance training according to claim 1, characterized in that: The upper surface of the load-bearing plate (200) is provided with a semi-cylindrical limiting strip (500) for limiting the position of the automobile, and the side surface of the base (100) is provided with two symmetrical inclined blocks (600) for facilitating the automobile to enter the upper surface of the load-bearing plate (200).

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