Automobile engine maintenance frame

By designing an automotive engine repair rack with adjustable spacing, a lifting motor, and a rotating positioning frame, the operational difficulties and safety hazards of traditional brackets when installing and fixing large engines have been solved. This achieves a stable connection and multi-angle positioning of the engine, improving the convenience and safety of maintenance.

CN224027603UActive Publication Date: 2026-03-24XIANGYANG JIUKANGDA MASCH POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional engine maintenance brackets are difficult to operate when installing and securing large engines, pose safety hazards, and lack sufficient mechanical strength, affecting maintenance quality and safety.

Method used

An automotive engine maintenance rack, comprising a fixed base and a movable base, was designed. Through adjustable spacing, a lifting motor, a side-shifting motor, and a rotating positioning frame, the engine can be flexibly installed, securely fixed, and positioned at multiple angles.

Benefits of technology

It improves the flexibility and convenience of engine maintenance, reduces the difficulty of transportation, ensures the engine is securely connected and positioned at multiple angles during maintenance, and enhances safety and maintenance quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224027603U_ABST
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Abstract

The utility model discloses an automobile engine maintenance frame which comprises a fixed base, a movable base, a sliding table, a rotary positioning frame and a driven rotary frame. The distance between the fixed base and the movable base can be adjusted through the matching of the positioning strip and the positioning pin, so that the maintenance requirements of engines with different sizes can be met; a lateral moving motor arranged on the sliding table drives a driving wheel, so that the engine bracket can extend out of the side face of the sliding table, and the engine is convenient to carry and place; the rotary positioning frame and the driven rotary frame are connected with the two ends of the engine through telescopic rods and connecting bolts, the angle of the engine can be adjusted by rotating a stress application rod and locking a limiting pin during maintenance, and maintenance personnel can operate conveniently; according to the automobile engine maintenance frame, maintenance efficiency is improved, safety and convenience in the maintenance process are guaranteed, and the automobile engine maintenance frame has wide application prospects.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engine maintenance equipment technical field especially relates to a car engine maintenance frame. BACKGROUND

[0002] The traditional engine maintenance support plays the role of supporting and fixing the engine in the automobile maintenance process, however, with the continuous development of automobile technology and the continuous complication of engine design, the traditional maintenance support exposes a series of defects in practical application.

[0003] Firstly, the existing engine maintenance support usually needs to lift the engine first when installing the engine, and then install it on the support; this process is extremely difficult for the operation of the large volume and heavy weight engine, not only needs a large amount of manpower and material resources, but also has certain safety hidden danger.

[0004] Secondly, the existing engine maintenance support adopts unilateral fixing mode when fixing the engine; this fixing mode can meet the maintenance demand to a certain extent, but for large engine, its mechanical strength is obviously insufficient; it may lead to the engine shaking or deviating due to uneven force in the maintenance process, not only affects the maintenance quality, but also may threaten the personal safety of the maintenance personnel.

[0005] Therefore, it is necessary to propose a new type of automobile engine maintenance frame to make up for the above defects. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at overcoming the above technical deficiencies, and proposes an automobile engine maintenance frame to solve the technical problems in the background art.

[0007] In order to achieve the above technical purpose, the technical scheme of the utility model provides an automobile engine maintenance frame, which comprises: a fixed base and a movable base, a fixed lifting frame is arranged on the fixed base, the distance between the movable base and the fixed base is adjustable, a movable lifting frame is arranged on the movable base, a sliding table is slidably arranged on the fixed lifting frame and the movable lifting frame, a rotary positioning frame is arranged on the top of the movable lifting frame, and a driven rotary frame is arranged on the top of the fixed lifting frame; two sliding tables are connected with each other, a lifting motor and a screw rod connected with the output shaft of the lifting motor are arranged on the movable lifting frame, the screw rod is vertically arranged, and the screw nut of the screw rod is connected with the sliding table; the sliding table comprises a sliding table seat, one end of each of the two sliding table seats is slidably connected with the fixed lifting frame and the movable lifting frame, a side moving motor and a side moving mechanism are arranged on the sliding table seat, an engine bracket is arranged on the side moving mechanism, and the side moving motor drives the side moving mechanism to make the engine bracket extend from the side surface of the sliding table seat.

[0008] Further, the side moving mechanism comprises two side support plates arranged in parallel on the sliding base, and a plurality of driving wheels are arranged on opposite sides of the two side support plates, chain wheels coaxially connected with the driving wheels are arranged on the outer sides of the side support plates, the plurality of chain wheels are driven by chains, the engine bracket is arranged between the two side support plates and abuts against the driving wheels, and a supporting plate is arranged at the bottom of the sliding base on the movable lifting frame.

[0009] Further, a transmission rod is arranged between the two side support plates, the transmission rod is coaxially connected with the driving wheels on the two side support plates at two ends, the transmission rod is connected with the output shaft of the side moving motor, a travel switch is arranged on the sliding base, and the travel switch is triggered when the center of the engine bracket is opposite the rotary positioning frame.

[0010] Further, the rotary positioning frame comprises a support, a positioning sleeve is arranged on the support, a telescopic rod is rotatably arranged in the positioning sleeve, the telescopic rod protrudes from the positioning sleeve at two ends and is respectively provided with a force adding rod and a connecting plate, a plurality of position-adjustable connecting bolts are arranged on the connecting plate, a plurality of limiting holes are circumferentially arranged on the telescopic rod between the force adding rod and the positioning sleeve, and a limiting pin matched with the limiting hole is arranged on the positioning sleeve.

[0011] Further, a positioning strip is arranged between the fixed base and the movable base, one end of the positioning strip is fixedly connected with the fixed base, the other end of the positioning strip is slidably arranged in the movable base, the positioning strip and the movable base are both provided with positioning holes, and a positioning pin matched with the positioning hole is arranged on the movable base.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a spacing adjustment mechanism between the fixed base and the movable base and the application of the side moving motor on the sliding base greatly improve the flexibility and convenience of engine maintenance, the spacing adjustment mechanism makes the maintenance frame adapt to different sizes of engines, expands the application range, and the application of the side moving motor makes the engine be easily transferred from the transfer equipment to the engine bracket, reduces the carrying difficulty and reduces the engine damage risk caused by improper carrying.

[0014] 2、The utility model discloses the combination of the lifting motor and the screw rod, realizes the stable lifting of the engine in the vertical direction, provides the convenience for subsequent maintenance operation, and the telescopic rod and the connecting bolt on the rotary positioning frame not only ensure the stable connection between the engine and the maintenance frame, but also allow the engine to be positioned at multiple angles during the maintenance process, meet the needs of different maintenance scenes. DRAWINGS

[0015] Figure 1It is the schematic view of the automobile engine maintenance frame provided by the utility model;

[0016] Figure 2 It is the sliding table schematic view of the automobile engine maintenance frame provided by the utility model;

[0017] Figure 3 It is the rotating positioning frame schematic view of the automobile engine maintenance frame provided by the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with the drawings and example, and the utility model is further explained in detail.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0019] With reference to Figure 1 The utility model provides a kind of automobile engine maintenance frame, including fixed base 1, movable base 2, sliding table 3, rotating positioning frame 4 and driven rotating frame 5, fixed base 1 is provided with fixed lifting frame 102, movable base 2 is provided with dynamic lifting frame 202.Fixed lifting frame 102 and dynamic lifting frame 202 are slidably provided with sliding table 3, the top of dynamic lifting frame 202 is provided with rotating positioning frame 4, and the top of fixed lifting frame 102 is provided with driven rotating frame 5.

[0020] Positioning strip 101 is arranged between fixed base 1 and movable base 2, one end of positioning strip 101 is fixedly connected with fixed base 1, and the other end is slidably arranged in movable base 2, positioning hole is arranged on positioning strip 101 and movable base 2, positioning pin is arranged on movable base 2 and matched with positioning hole, the position of movable base 2 is adjusted, and is fixed with positioning pin, the adjustment of the distance between fixed base 1 and movable base 2 can be realized, to adapt to the engine maintenance demand of different sizes.

[0021] Lifting motor 203 and screw rod 204 connected with its output shaft are arranged on dynamic lifting frame 202, screw rod 204 is vertically arranged, its nut is connected with sliding table 3, sliding table 3 can be lifted in vertical direction by driving screw rod 204 to rotate through lifting motor 203, so as to lift engine, to be connected with rotating positioning frame 4 and driven rotating frame 5, it is convenient to adjust and operator's face when being maintained.

[0022] With reference to Figure 2The slide table 3 comprises slide table seats 301, one end of each of the two slide table seats 301 is slidably connected to the side of the fixed lifting frame 102 and the movable lifting frame 202, respectively, a side shift motor 302 and two side support plates 304 are arranged on the slide table seat 301, a plurality of drive wheels 307 are arranged on the opposite side of each of the two side support plates 304, a sprocket 306 coaxially connected with the drive wheel 307 is arranged on the outer side of the side support plate 304, the plurality of sprockets 306 are driven by a chain, and a motor bracket 303 is kept between the two side support plates 304 and abuts against the drive wheel 307;

[0023] A transmission rod 305 is further arranged between the two side support plates 304, the two ends of the transmission rod 305 are coaxially connected with the drive wheels 307 on the two side support plates 304, and the transmission rod 305 is connected with the output shaft of the side shift motor 302; in this way, the power of the side shift motor 302 can be directly transmitted to all the drive wheels 307 on the two side support plates 304, so as to realize synchronous driving; in addition, a travel switch 309 is further arranged on the slide table seat 301, when the center of the motor bracket 303 is opposite to the rotary positioning frame 4, the travel switch 309 is triggered, so as to stop the driving of the side shift motor 302, and the accurate positioning of the motor bracket 303 is ensured.

[0024] The side shift motor 302 drives the drive wheel 307 to make the motor bracket 303 extend from the side of the slide table seat 301, so that the engine can be conveniently transferred from the transfer equipment to the motor bracket 303, and the difficulty of carrying the engine is reduced.

[0025] In order to make the slide table 3 on the fixed lifting frame 102 ascend and descend synchronously with the slide table 3 on the movable lifting frame 202, a supporting plate 308 is arranged at the bottom of the slide table seat 301 on the movable lifting frame 202, when the slide table 3 on the movable lifting frame 202 ascends, the supporting plate 308 lifts the slide table 3 on the fixed lifting frame 102 and ascends with it; when the slide table 3 on the movable lifting frame 202 descends, the slide table 3 on the fixed lifting frame 102 falls by itself under the action of gravity.

[0026] The specific structure of the rotary positioning frame 4 is shown in Figure 3 The rotary positioning frame 4 comprises a support 401, a positioning sleeve 402 is arranged on the support 401, an extension rod 403 is arranged to rotate in the positioning sleeve 402, the two ends of the extension rod 403 protrude from the positioning sleeve 402 and are respectively provided with a force adding rod 405 and a connecting plate 404, a plurality of position-adjustable connecting bolts 406 are arranged on the connecting plate 404 and used for connecting with the engine, a plurality of limiting holes 407 are circumferentially arranged on the extension rod 403 between the force adding rod 405 and the positioning sleeve, and a limiting pin 408 matched with the limiting hole 407 is arranged on the positioning sleeve 402.

[0027] Before the engine is repaired, the telescopic rod 403 is first retracted to make the connecting plate 404 away from the driven rotating frame 5, so as to avoid the obstruction caused by the slide table 3 when the engine on it is lifted; after the engine is lifted to the appropriate position, the telescopic rod 403 is extended and fixedly connected with one end of the engine through the connecting bolt 406, and at the same time, the driven rotating frame 5 is also fixedly connected with the other end of the engine, and after the fixing is completed, the slide table 3 falls back.

[0028] When the engine is repaired, the operator can adjust the angle of the engine by rotating the force rod 405, and lock the position of the engine by inserting the limiting pin 408 into the corresponding limiting hole 407, so that the maintenance personnel can operate conveniently.

[0029] The specific implementation mode of the utility model described above does not constitute the limitation of the protection scope of the utility model. Any various other corresponding changes and deformations made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A car engine repair rack, comprising: A fixed base, on which a fixed lifting frame is provided; A movable base, the distance between the movable base and the fixed base is adjustable, and a movable lifting frame is provided on it; Both the fixed lifting frame and the movable lifting frame are slidably provided with sliding tables. The top of the movable lifting frame is provided with a rotating positioning frame, and the top of the fixed lifting frame is provided with a driven rotating frame. The feature is that: the two slides are connected to each other; the movable lifting frame is provided with a lifting motor and a screw connected to its output shaft; the screw is vertically arranged and its nut is connected to the slide; the slide includes a slide base; one end of the two slide bases is slidably connected to the fixed lifting frame and the movable lifting frame respectively; the slide base is provided with a side-shifting motor and a side-shifting mechanism; the side-shifting mechanism is provided with an engine bracket; the side-shifting motor drives the side-shifting mechanism to make the engine bracket extend from the side of the slide base.

2. The automotive engine repair rack according to claim 1, characterized in that: The lateral shifting mechanism includes two side support plates arranged parallel to each other on the slide base. Several drive wheels are provided on the opposite side of the two side support plates. A sprocket coaxially connected to the drive wheel is provided on the outer side of the side support plate. The several sprockets are driven by a chain. The engine bracket is held between the two side support plates and is in close contact with the drive wheel. A support plate is provided at the bottom of the slide base on the moving lifting frame.

3. The automotive engine repair rack according to claim 2, characterized in that: A transmission rod is provided between the two side support plates. The two ends of the transmission rod are coaxially connected to the drive wheels on the two side support plates respectively. The transmission rod is connected to the output shaft of the side shift motor. A limit switch is provided on the slide base. The limit switch is triggered when the center of the engine bracket is aligned with the rotary positioning frame.

4. A car engine repair rack according to claim 2 or 3, characterized in that: The rotating positioning frame includes a bracket, on which a positioning sleeve is provided. A telescopic rod is rotatably provided inside the positioning sleeve. Both ends of the telescopic rod protrude from the positioning sleeve and are respectively provided with a force-applying rod and a connecting plate. The connecting plate is provided with several position-adjustable connecting bolts. Several limiting holes are arranged circumferentially on the telescopic rod between the force-applying rod and the positioning sleeve. The positioning sleeve is provided with a limiting pin that cooperates with the limiting holes.

5. The automotive engine repair rack according to claim 4, characterized in that: A positioning strip is provided between the fixed base and the movable base. One end of the positioning strip is fixedly connected to the fixed base, and the other end is slidably disposed in the movable base. Positioning holes are provided on both the positioning strip and the movable base, and positioning pins that cooperate with the positioning holes are provided on the movable base.