Vehicle chassis maintenance lifting platform

Abstract

The utility model discloses a vehicle chassis maintenance lifting platform, which belongs to the technical field of vehicle maintenance and comprises two positioning rods, a first motor is fixedly connected to the rear end of the positioning rod on the rear side, and the output end of the first motor is fixedly connected with a two-way screw rod through a coupler. The two lifting mechanisms are in threaded connection with the outer surface of the two-way lead screw, the two-way lead screw is driven by the first motor to rotate, the two lifting mechanisms can synchronously slide inwards or outwards along the guide rods, the distance can be accurately adjusted according to the widths of different vehicle chassis, and the universality and practicability of the lifting platform are greatly improved; according to the lifting platform, the maintenance requirements of various vehicle types are met, through the supporting assemblies, the rotating arms can be unfolded outwards, the adsorption parts are accurately aligned with and firmly adsorb the supporting blocks of the vehicle chassis, the vehicle chassis can be lifted through cooperation with the multi-stage hydraulic cylinders, the function of conveniently maintaining the vehicle chassis can be achieved, and the practicability of the lifting platform is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle maintenance technical field more specifically, relate to a vehicle chassis maintenance lifting platform. BACKGROUND

[0002] The automobile chassis is composed of four parts of transmission system, running system, steering system and brake system. The chassis functions to support and install automobile engine and its components and assembly, form the overall modeling of the automobile, and accept the power of the engine to make the automobile move and ensure normal driving.

[0003] As an important part of the automobile, the chassis bears the weight and various loads of the automobile, and its state directly affects the controllability, stability and driving safety of the automobile. The main purpose of chassis maintenance is to ensure the normal operation of the automobile and prolong its service life. When the automobile chassis is maintained, lifting equipment is usually used to lift it from below for inspection and repair.

[0004] Chinese patent authorization announcement number: CN215475204U provides vehicle lifting platform chassis and lifting platform, the scheme is through the case of pressing the handrail, under the drive of the hydraulic cylinder, the front wheel and the chassis part close to the handrail are lifted, at this time, the support column leaves the ground, pushes the handrail assembly, under the rolling of the front wheel and the rear wheel, the whole platform chassis is displaced, when the platform chassis needs to be fixed, the hydraulic cylinder is released, the front wheel and the chassis part close to the handrail are lowered, the support column supports the ground, realizes the fixation of the platform, through the above technical scheme, the flexible movement of the platform can be realized, and after fixation, it has high stability, but in the specific implementation process, the following defects still exist: the lifting platform will also shield the chassis from below when lifting the automobile chassis, which is not convenient for maintenance.

[0005] Therefore, in view of the above problems, a vehicle chassis maintenance lifting platform is proposed. Utility model content

[0006] 1. Technical problem to be solved

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a vehicle chassis maintenance lifting platform which can realize the function of conveniently maintaining the vehicle chassis.

[0008] 2. Technical scheme

[0009] To solve the above problems, the utility model adopts the following technical scheme.

[0010] The utility model provides a vehicle chassis maintenance lifting platform, including two positioning rods, the rear end fixed connection of rear side positioning rod is connected with motor no.

[0011] Further, the lifting assembly comprises a multi-stage hydraulic cylinder, the lower end of the multi-stage hydraulic cylinder is fixedly connected with the upper end of the U-shaped plate, the output end of the multi-stage hydraulic cylinder is fixedly connected with a sliding block, the outer surface of the sliding block is slidably connected with the inner surface of the guide groove, the outer surface of the sliding block is slidably connected with the inner surfaces of the two sliding grooves, the two connecting plates are fixedly connected with the upper and lower ends of the sliding block, the right end of the connecting plate on the left side is fixedly connected with a motor no.

[0012] Further, the support assembly comprises a transmission rod, the outer surface of the transmission rod is rotatably connected with the inner surfaces of the two connecting plates, the outer surface of the transmission rod is fixedly connected with a gear no.

[0013] Further, the support assembly comprises a transmission rod, the outer surface of the transmission rod is rotatably connected with the inner surfaces of the two connecting plates, the outer surface of the transmission rod is fixedly connected with a gear no.

[0014] Further, the outer surfaces of the two U-shaped plates are threadedly connected with the outer surface of the bidirectional screw rod, and the inner surfaces of the two U-shaped plates are slidably connected with the outer surfaces of the two guide rods.

[0015] Further, the outer surfaces of the two U-shaped plates are threadedly connected with the outer surface of the bidirectional screw rod, and the inner surfaces of the two U-shaped plates are slidably connected with the outer surfaces of the two guide rods.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The utility model discloses a two -way screw is driven by motor one to rotate, utilizes the characteristic of two -way screw two reverse threads, can make two lifting mechanisms along the guide rod synchronous to the inside or outside sliding, can accurately adjust the interval according to the width of different vehicle chassis, greatly improved the versatility and practicality of lifting platform, satisfy the maintenance demand of multiple vehicle type, through the support subassembly, can make the rotary arm spread outward, through the length of slide bar is adjusted and is matched with the suction accessory, can accurately align and firmly adsorb the support block of vehicle chassis, after using multistage hydraulic cylinder and lifting the chassis, the whole support structure will not shield the chassis from below, and the maintenance personnel can freely from the below of chassis carries out all -round inspection, maintenance and replacement spare part etc. Operation, effectively solved the difficult problem of traditional lifting platform shielding the chassis inconveniently, significantly promoted the maintenance efficiency, improved the practicality of lifting platform. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the lifting mechanism schematic diagram of the utility model;

[0021] Figure 3 It is the lifting assembly schematic diagram of the utility model;

[0022] Figure 4 It is the support subassembly schematic diagram of the utility model;

[0023] Figure 5 It is the support piece schematic diagram of the utility model.

[0024] Mark explanation in drawing:

[0025] 1, positioning rod, 2, motor one, 3, two -way screw, 4, lifting mechanism, 41, U-shaped plate, 42, moving wheel, 43, guide groove, 44, sliding slot, 45, lifting assembly, 451, multistage hydraulic cylinder, 452, sliding block, 453, connecting plate, 454, motor two, 455, gear one, 46, support subassembly, 461, transmission rod, 462, gear two, 463, umbrella gear three, 464, support piece, 4641, rotary arm, 4642, connecting rod, 4643, umbrella gear four, 4644, slide bar, 4645, suction accessory, 4646, limit knob, 5, guide rod. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0027] In the description of the utility model, it needs to explain that, the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it needs to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Embodiment:

[0030] Please refer to Figures 1-5 A vehicle chassis maintenance lifting platform, including two positioning rods 1, the rear end of the positioning rod 1 fixedly connected with motor one 2 at the rear side, the output end of motor one 2 is fixedly connected with two-way screw rod 3 through coupling, two-way screw rod 3 outer surface is connected with two lifting mechanisms 4, the end of the two positioning rods 1 close to each other is fixedly connected with two guide rods 5, lifting mechanism 4 includes U-shaped plate 41, the inner surface of two U-shaped plates 41 is threadedly connected with the outer surface of two-way screw rod 3, the inner surface of two U-shaped plates 41 is slidably connected with the outer surface of two guide rods 5, four moving wheels 42 are rotatably connected in the inner cavity of U-shaped plate 41, guide groove 43 is fixedly connected on the upper end of U-shaped plate 41, the inner cavity of guide groove 43 is provided with sliding groove 44 on the two walls, lifting assembly 45 is slidably connected in the inner cavity of guide groove 43, support assembly 46 is rotatably connected in lifting assembly 45.

[0031] The utility model discloses a kind of vehicle chassis maintenance lifting platforms, including two positioning rods 1, the rear end of the positioning rod 1 fixedly connected with motor one 2 at the rear side, the output end of motor one 2 is fixedly connected with two-way screw rod 3 through coupling, two-way screw rod 3 outer surface is connected with two lifting mechanisms 4, the end of the two positioning rods 1 close to each other is fixedly connected with two guide rods 5, lifting mechanism 4 includes U-shaped plate 41, the inner surface of two U-shaped plates 41 is threadedly connected with the outer surface of two-way screw rod 3, the inner surface of two U-shaped plates 41 is slidably connected with the outer surface of two guide rods 5, four moving wheels 42 are rotatably connected in the inner cavity of U-shaped plate 41, guide groove 43 is fixedly connected on the upper end of U-shaped plate 41, the inner cavity of guide groove 43 is provided with sliding groove 44 on the two walls, lifting assembly 45 is slidably connected in the inner cavity of guide groove 43, support assembly 46 is rotatably connected in lifting assembly 45.

[0032] Please refer to Figures 2-5 The lifting assembly 45 comprises a multi-stage hydraulic cylinder 451, the lower end of which is fixedly connected to the upper end of the U-shaped plate 41, and the output end of the multi-stage hydraulic cylinder 451 is fixedly connected with a sliding block 452, the outer surface of which is in sliding connection with the inner surface of the guide groove 43, and the outer surface of the sliding block 452 is in sliding connection with the inner surfaces of the two sliding grooves 44, and the upper and lower ends of the sliding block 452 are fixedly connected with two connecting plates 453, the right end of the connecting plate 453 on the left side is fixedly connected with a motor two 454, and the output end of the motor two 454 is fixedly connected with a gear one 455 through a shaft coupling.

[0033] The support assembly 46 comprises a transmission rod 461, the outer surface of which is rotatably connected with the inner surfaces of the two connecting plates 453, the outer surface of the transmission rod 461 is fixedly connected with a gear two 462, the outer surface of the gear two 462 is in meshing connection with the outer surface of the gear one 455, the left and right ends of the transmission rod 461 are fixedly connected with umbrella gears three 463, and the outer surfaces of the two umbrella gears three 463 are in meshing connection with support pieces 464.

[0034] The support piece 464 comprises a rotating arm 4641, the inner surface of which is fixedly connected with connecting rods 4642, the outer surfaces of the two connecting rods 4642 are rotatably connected with the inner surfaces of the two connecting plates 453, the lower end of the connecting rod 4642 is fixedly connected with an umbrella gear four 4643, the outer surfaces of the two umbrella gears four 4643 are in meshing connection with the outer surfaces of the two umbrella gears three 463, a sliding rod 4644 is slidably connected in the inner cavity of the rotating arm 4641, the support piece 464 is drivingly fixedly connected with a suction member 4645, and the inner surface of the rotating arm 4641 is threadedly connected with a limiting knob 4646.

[0035] According to the width of the vehicle chassis to be repaired, the bidirectional screw rod 3 is rotated under the drive of the motor one 2, and due to the opposite threads on the outer surfaces of the two threads, the two lifting mechanisms 4 are synchronously slid outward along the guide rod 5 under the assistance of the moving wheels 42, and by observation or measurement, the two lifting mechanisms 4 are adjusted to an appropriate interval to ensure that the vehicle chassis can be stably placed between the two lifting mechanisms 4.

[0036] The control multistage hydraulic cylinder 451 pulls the sliding block 452 along the guide groove 43 and two sliding grooves 44 to the lowest position, the motor two 454 is started, the gear one 455 drives the gear two 462 to rotate, in turn drives the transmission rod 461 to rotate in the inner surface of the connecting plate 453, makes the two umbrella gears three 463 rotate, drives the umbrella gear four 4643 meshed with it to rotate, lets the two rotating arms 4641 unfold outward, loosens the limiting knob 4646, pulls the sliding rod 4644 outward from the inner cavity of the rotating arm 4641, adjusts the total length of the sliding rod 4644 and the rotating arm 4641 according to the position of the vehicle chassis supporting block, so that the positions of the four suction accessories 4645 are just aligned with the four chassis supporting blocks on the vehicle chassis, and the limiting knob 4646 is tightened after adjustment.

[0037] The vehicle chassis is placed into the lifting platform through hoisting equipment, the four supporting blocks of the chassis are accurately aligned with the positions of the four suction accessories 4645, the four suction accessories 4645 are electrified, the chassis is firmly adsorbed by magnetic force, after confirming that the chassis is fixed and stable, the two multistage hydraulic cylinders 451 are controlled to be synchronously elongated upwards, the vehicle chassis is stably lifted to a suitable maintenance height, and maintenance personnel can freely carry out maintenance work below the chassis.

[0038] It should be noted that the suction accessory 4645 in the utility model can be an electromagnet (the mode adopted in the embodiment is used for materials that can be magnetically adsorbed with the chassis supporting block), an electric suction cup, and can also be a rubber block in order to save cost.

[0039] It should be noted that the specific installation method of the motor one 2, the motor two 454, the multistage hydraulic cylinder 451 and the suction accessory 4645, the connection mode of the circuit, the connection mode of the oil circuit and the control method all belong to conventional design, and the utility model will not be described in detail.

[0040] Working principle: when the lifting platform needs to be used to maintain the vehicle chassis, the distance between the two lifting mechanisms 4 is adjusted according to the width of the chassis, the motor one 2 is started, the bidirectional screw rod 3 is rotated under the action of the motor one 2, because the two threads on the outer surface of the bidirectional screw rod 3 are opposite, so when it rotates, it will drive the two lifting mechanisms 4 to slide outward along the outer surfaces of the two guide rods 5 under the cooperation of the plurality of moving wheels 42, then the multistage hydraulic cylinder 451 is controlled to pull the sliding block 452 along the guide groove 43 and the two sliding grooves 44, so that the sliding block 452 is in the lowest position.

[0041] At this time, the motor two 454 is started, the gear one 455 is driven to rotate the gear two 462 engaged with the gear one 455 under the action of the motor two 454, the transmission rod 461 is rotated on the inner surface of the two connecting plates 453 under the driving of the gear two 462, the transmission rod 461 is rotated to drive the two umbrella gears three 463, the two umbrella gears four 4643 engaged with the two umbrella gears three 463 are driven at this time, so that the two connecting rods 4642 are distributed on the inner surface of the two connecting plates 453 and are rotated, the two rotating arms 4641 are simultaneously unfolded outward, the limiting knob 4646 can be loosened at the same time, the slide rod 4644 is pulled out from the inner cavity of the rotating arm 4641 outward, the total length of the slide rod 4644 and the rotating arm 4641 is increased, the limiting knob 4646 is locked after adjustment is completed, and the position of the four suction accessories 4645 can be adjusted to be aligned with the four chassis support blocks on the vehicle chassis in the specific use process.

[0042] The vehicle chassis four chassis support blocks are placed in the position of the four suction accessories 4645, the four suction accessories 4645 are electrified, the chassis is adsorbed, then the two multi-stage hydraulic cylinders 451 are controlled to be synchronously elongated upward, the vehicle chassis can be lifted, and the maintenance personnel can perform maintenance work below the chassis.

[0043] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A vehicle chassis maintenance lifting platform, comprising two positioning rods (1), characterized in that: The rear end of the positioning rod (1) located on the rear side is fixedly connected to a motor (2). The output end of the motor (2) is fixedly connected to a double-acting screw (3) through a coupling. The outer surface of the double-acting screw (3) is threaded with two lifting mechanisms (4). The two positioning rods (1) are fixedly connected to two guide rods (5) at their close ends. The lifting mechanism (4) includes a U-shaped plate (41). The inner cavity of the U-shaped plate (41) is rotatably connected to four moving wheels (42). The upper end of the U-shaped plate (41) is fixedly connected to a guide groove (43). The inner cavity of the guide groove (43) has sliding grooves (44) on both sides. The inner cavity of the guide groove (43) is slidably connected to a lifting assembly (45). The lifting assembly (45) is rotatably connected to a support assembly (46).

2. The vehicle chassis maintenance lifting platform according to claim 1, characterized in that: The lifting assembly (45) includes a multi-stage hydraulic cylinder (451). The lower end of the multi-stage hydraulic cylinder (451) is fixedly connected to the upper end of the U-shaped plate (41). The output end of the multi-stage hydraulic cylinder (451) is fixedly connected to a slider (452). The outer surface of the slider (452) is slidably connected to the inner surface of the guide groove (43). The outer surface of the slider (452) is slidably connected to the inner surfaces of the two sliding grooves (44). The upper and lower ends of the slider (452) are fixedly connected to two connecting plates (453). The right end of the connecting plate (453) on the left side is fixedly connected to a second motor (454). The output end of the second motor (454) is fixedly connected to a first gear (455) through a coupling.

3. The vehicle chassis maintenance lifting platform according to claim 2, characterized in that: The support assembly (46) includes a transmission rod (461), the outer surface of which is rotatably connected to the inner surfaces of two connecting plates (453), a gear two (462) is fixedly connected to the outer surface of the transmission rod (461), and bevel gear three (463) is fixedly connected to both the left and right ends of the transmission rod (461). The outer surfaces of the two bevel gear three (463) are meshed with support members (464).

4. The vehicle chassis maintenance lifting platform according to claim 3, characterized in that: The support member (464) includes a rotating arm (4641), a connecting rod (4642) is fixedly connected to the inner surface of the rotating arm (4641), a bevel gear (4643) is fixedly connected to the lower end of the connecting rod (4642), a slide rod (4644) is slidably connected to the inner cavity of the rotating arm (4641), an adsorption member (4645) is fixedly connected to the support member (4644), and a limit knob (4646) is threadedly connected to the inner surface of the rotating arm (4641).

5. The vehicle chassis maintenance lifting platform according to claim 1, characterized in that: The inner surfaces of the two U-shaped plates (41) are threaded to the outer surface of the bidirectional lead screw (3), and the inner surfaces of the two U-shaped plates (41) are slidably connected to the outer surfaces of the two guide rods (5).

6. The vehicle chassis maintenance lifting platform according to claim 4, characterized in that: The outer surfaces of the two connecting rods (4642) are rotatably connected to the inner surfaces of the two connecting plates (453), the outer surfaces of the two bevel gears (4643) are meshed with the outer surfaces of the two bevel gears (463), and the outer surface of the gear (462) is meshed with the outer surface of the gear (455).

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