CN213326332U - Telescopic lifting appliance for vehicle body - Google Patents
Telescopic lifting appliance for vehicle body Download PDFInfo
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- CN213326332U CN213326332U CN202021232516.6U CN202021232516U CN213326332U CN 213326332 U CN213326332 U CN 213326332U CN 202021232516 U CN202021232516 U CN 202021232516U CN 213326332 U CN213326332 U CN 213326332U
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Abstract
The utility model discloses a lifting appliance with a retractable car body, which comprises a lifting appliance frame and retractable lifting leg structures arranged on the left side and the right side of the lifting appliance frame, wherein a push rod component for driving the retractable lifting leg structures to open and close is arranged between the retractable lifting leg structures and the lifting appliance frame, the retractable lifting leg structures all comprise two lifting leg components which are arranged in front and back, and the lifting leg components are hinged with the lifting appliance frame; the lifting leg assembly comprises a longitudinal leg fixing mechanism and a longitudinal leg moving mechanism, the longitudinal leg moving mechanism is in sliding fit with the longitudinal leg fixing mechanism in the up-down direction, a telescopic assembly is arranged between the longitudinal leg moving mechanism and the longitudinal leg fixing mechanism, and the telescopic assembly drives the longitudinal leg moving mechanism to move up and down relative to the longitudinal leg fixing mechanism; the longitudinal leg moving mechanism is provided with a transverse leg. The utility model discloses simple structure, convenient to use is applicable to large-scale, the higher commercial car automobile body hoist and mount of automobile body height.
Description
Technical Field
The utility model relates to a machining automobile manufacturing technical field, concretely relates to automobile body retractable hoist.
Background
At present, in the field of automobile manufacturing, particularly large commercial vehicle manufacturing, in order to meet normal hoisting of a large vehicle body, the design size of a vehicle body lifting appliance is generally large and high, so that the production space occupied by the conveying route of the lifting appliance is large, and even aerial erection of a conveying catenary cannot be met.
The existing automobile body lifting appliance is basically fixed in size and has a plurality of disadvantages. The modern automobile production line design can be called earth-metal for the space of a production workshop, and how to improve the space utilization rate of the automobile production line workshop becomes the key of the automobile production line design. The design of automobile body retractable hoist makes the hoist use size flexibility, can satisfy the normal hoist and mount of great, higher automobile body, transports the transport, also can satisfy when empty hoist returns to occupy production space as few as possible or directly erect the demand of aerial braced chain, can be better satisfy the multi-level, multi-functional three-dimensional design thinking of workshop, very big promotion workshop space utilization. At this time, it is necessary and urgent to design a telescopic hanger for a commercial vehicle body.
Notice No. CN 210854977U's utility model discloses a whole car stone tongs relates to vehicle technical field, include: the lifting device comprises an upper frame body, a lifting appliance and a linkage unit; the upper frame main body is of a rectangular frame structure and is provided with a hanging lug part which is matched with an external hanging hook; the lifting appliances are provided with a plurality of lifting appliances which are hinged and hung on the upper frame main body, and the two lifting appliances are symmetrically arranged along the length direction of the upper frame main body to form a pair of opening and closing lifting arms so as to correspondingly place or clamp the whole vehicle in a relatively opening and closing way; the linkage unit is configured on each pair of opening and closing suspension arms and comprises a connecting rod mechanism and a push rod mechanism for pushing the connecting rod mechanism to rotate, the connecting rod mechanism is connected to two lifting appliances of the same opening and closing suspension arm, the push rod mechanism is pushed in a telescopic mode to drive the connecting rod mechanism to rotate so as to be transmitted to the lifting appliances and be used for controlling the opening or closing of the opening and closing suspension arms and correspondingly stably placing or clamping the whole transferring vehicle, effective force transmission linkage is realized, the opening and closing suspension arms are synchronously linked and opened and closed, and efficient lifting clamping and stable transferring of the whole vehicle are guaranteed.
The invention of publication number CN111302206A discloses a center drive sling that can be opened and closed synchronously; the device comprises a power device, a main frame, a main shaft movably arranged on the main frame, a cantilever piece for supporting a workpiece and a swing rod assembly movably arranged on the main frame; the power device drives the main shaft to move; one end of the swing rod assembly is connected with the main shaft, and the other end of the swing rod assembly is connected with the hanging arm piece; the main shaft drives the swing rod assembly to move; the swing rod component pushes the hanging arm piece to swing along the main frame. The problem of the davit that current scheme caused can't accomplish to open simultaneously and closed make the davit hardly grasp the work piece simultaneously, the power diverse that works the davit centre gripping work piece alone between the davit causes the davit not hard up work piece to drop and the davit can collide with the work piece in the removal and cause the damage of work piece etc. is solved.
Although the technical scheme can realize the opening and closing adjustment of the lifting appliance, the structure is relatively complex, and the lifting telescopic adjustment cannot be realized while the opening and closing adjustment is carried out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile body retractable hoist.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a lifting appliance with a telescopic car body comprises a lifting appliance frame and opening-closing type lifting leg structures arranged on the left side and the right side of the lifting appliance frame, wherein a push rod assembly for driving the opening-closing type lifting leg structures to open and close is arranged between the opening-closing type lifting leg structures and the lifting appliance frame; the lifting leg assembly comprises a longitudinal leg fixing mechanism and a longitudinal leg moving mechanism, the longitudinal leg moving mechanism is in sliding fit with the longitudinal leg fixing mechanism in the up-down direction, a telescopic assembly is arranged between the longitudinal leg moving mechanism and the longitudinal leg fixing mechanism, and the telescopic assembly drives the longitudinal leg moving mechanism to move up and down relative to the longitudinal leg fixing mechanism; the longitudinal leg moving mechanism is provided with a transverse leg.
The longitudinal leg fixing mechanism is provided with a guide rail in the vertical direction, and the longitudinal leg moving mechanism is embedded into the guide rail of the longitudinal leg fixing mechanism through two fixed guide wheels, so that the longitudinal leg moving mechanism and the longitudinal leg fixing mechanism are in sliding fit in the vertical direction.
And telescopic limiting parts are arranged at the lower end and/or the upper end of the guide rail of the longitudinal leg fixing mechanism.
The lifting leg assembly is connected with the lifting appliance frame through a hinge type rotatable rotating shaft, and a rotatable limiting part is arranged at the upper end of the lifting leg assembly and used for installing the hinge type rotatable rotating shaft on the inner side of a fixed seat.
And a longitudinal leg supporting cross beam is arranged between the two hanging leg assemblies on each side and comprises a longitudinal leg upper supporting cross beam connected with the two longitudinal leg fixing mechanisms and a longitudinal leg lower supporting cross beam connected with the two longitudinal leg moving mechanisms.
The upper end of the push rod component is hinged with the hanger frame, and the lower end of the push rod component is hinged with a supporting cross beam on the longitudinal leg.
The push rod subassembly is the electric putter subassembly, and electric putter subassembly upper end and hoist frame are realized articulated being connected by electric putter upper junction seat and electric putter top rotating shaft, and electric putter subassembly lower extreme and indulge leg on the support crossbeam by electric putter lower junction seat and electric putter lower rotating shaft realize articulated being connected.
The upper end of the telescopic assembly is connected with the longitudinal leg upper supporting beam, and the lower end of the telescopic assembly is connected with the longitudinal leg lower supporting beam.
The telescopic assembly is a screw rod lifter assembly, the upper end of the screw rod lifter assembly is fixedly connected with the longitudinal leg upper supporting beam through a screw rod motor upper connecting seat, and the lower end of the screw rod lifter assembly is hinged with the longitudinal leg lower supporting beam through a screw rod motor lower connecting seat and a screw rod motor rotating shaft.
The lifting appliance frame is formed by splicing a plurality of supporting beams, and lifting appliance guide rods are arranged at the top points around the lifting appliance frame.
The utility model has the advantages that:
1. the utility model discloses simple structure, convenient to use is applicable to large-scale, the higher commercial car automobile body hoist and mount of automobile body height.
Hoisting: the left and right groups of lifting leg combinations are completely extended to a working state under the action of the telescopic assembly, then the two groups of lifting leg combinations are extended under the action of the push rod assembly, the lifting appliance is lowered to a working position under the lifting mechanism, and meanwhile, the lifting appliance is guided and positioned by a lifting appliance guide rod in the lowering process; after the lifting appliance is lowered to the proper position, the push rod assembly provides power to close the combination of the left and right groups of lifting legs, and the lifting appliance is lifted under the action of the lifting mechanism.
The process of vehicle body placement and hanger return: the lifting appliance (with the car body) is lowered to a car falling working position under the action of the lifting mechanism, and is guided and positioned by a lifting appliance guide rod in the lowering process; the lifting leg combination opens the lifting leg under the action of the push rod assembly, the left and right movable longitudinal leg mechanisms are retracted under the action of the telescopic assembly, and then the push rod assembly is used for combining the two groups of lifting leg combinations, so that the overall size of the lifting appliance is reduced. The lifting appliance rises and returns under the action of the lifter.
2. The utility model discloses a but telescopic davit subassembly saves hoist working space from top to bottom. When the automobile body is hoisted, the longitudinal legs stretch out, the high automobile body can be normally hoisted, the longitudinal legs are folded after hoisting is completed, the height of the lifting appliance is reduced, the transferring space of the lifting appliance is saved, and the space utilization rate of a workshop production line is improved.
3. The utility model discloses do direction, the positioning action of hoist by distributing at hoist four hoist guide arms all around at empty hoist or hoist lifting vehicle body rising, decline in-process, ensure lifting by crane or placing the automobile body position accuracy of hoist, improved hoist positioning accuracy and production line automobile body hoist and mount efficiency.
4. The utility model discloses an electric putter subassembly, lead screw elevator subassembly operation are stable, connect to indulge leg supporting beam back whole operation synchronism high, and the operation precision is guaranteed.
5. The utility model discloses can be used in the hoist and mount of automobile manufacturing process automobile body, transport, satisfy beat operation requirement, equipment is simple, the quality is reliable.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is a partial view of the leg assembly of the present invention;
FIG. 3 is a partial view of the power pushrod assembly of the present invention;
FIG. 4 is a partial view of the screw lift assembly of the present invention;
the numbers of the components in the drawing are 1-sling frame, 1.1-supporting beam, 1.2-sling guide rod, 1.3-sling connecting seat, 2-hanging leg component, 2.1-horizontal leg, 2.2-vertical leg moving mechanism, 2.2.1-roller, 2.2.2-telescopic limiting part, 2.2.3-vertical leg lower connecting seat, 2.3-vertical leg fixing mechanism, 2.3.1-vertical leg upper connecting seat, 2.4-supporting block, 2.5-hinge type winding rotating shaft, 2.6-rotary limiting part, 3-vertical leg upper supporting beam, 4-vertical leg lower supporting beam, 5-electric push rod component, 5.1-electric push rod motor 5.2-electric push rod upper connecting seat, 5.3-electric push rod upper rotating shaft, 5.4-electric push rod lower rotating shaft, 5.5-electric push rod lower connecting seat, 6-lead screw lifter component, 6.1-lead screw motor, 6.2-lead screw motor upper connecting seat, 6.3-lead screw lower connecting seat, 6.4-lead screw motor.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model discloses a commercial car automobile body retractable hoist, including hoist frame 1 and the open-close type lifting leg structure of locating the hoist frame left and right sides, be equipped with the electric putter subassembly 5 that the drive open-close type lifting leg structure opened and shut between open-close type lifting leg structure and the hoist frame.
The spreader frame 1 consists of a plurality of support beams 1.1, four spreader guide rods 1.2 and spreader connecting seats 1.3 for connecting the elevators. The hanger frame 1 is connected with the four lifting leg assemblies 2 in a hinged mode and can be connected around the rotating shaft 2.5, the four lifting leg assemblies can be opened and closed left and right, meanwhile, the upper ends of the lifting leg assemblies are used for installing hinges, and rotating limiting parts 2.6 are arranged on the inner sides of fixing seats which can wind the rotating shaft 2.5 to control the opening and closing angles of the lifting leg assemblies, and the damage to a vehicle body caused by the fact that the minimum closing angle is too small is avoided (when the lifting leg assemblies 2 rotate to the minimum closing angle, the rotating limiting parts 2.6 are abutted to the hanger frame, and the hanger frame is prevented from being further.
The opening-closing type lifting leg structure comprises two lifting leg assemblies 2 which are arranged in the front and at the back, and the lifting leg assemblies 2 are hinged with the lifting appliance frame 1. The hanging leg assembly 2 consists of a transverse leg 2.1, a longitudinal leg moving mechanism 2.2 and a longitudinal leg fixing mechanism 2.3, wherein the longitudinal leg fixing mechanism 2.3 is provided with a guide rail, and the end of the transverse leg 2.1 is fixed with a rubber supporting block 2.4. The longitudinal leg moving mechanism 2.2 is embedded into the guide rail 2.3 of the longitudinal leg fixing mechanism by two fixed guide wheels 2.2.1, so that the longitudinal leg moving mechanism 2.2 can move up and down in the guide rail 2.3 of the longitudinal leg fixing mechanism, and the longitudinal leg has the function of extending and retracting up and down. Meanwhile, the lower end and/or the upper end of the guide rail 2.3 of the longitudinal leg fixing mechanism is/are provided with a telescopic limiting part 2.2.2 for limiting the upper and lower running limit positions of the longitudinal leg moving mechanism 2.2.
Each group of hanging leg components 2 is connected by a longitudinal leg upper supporting beam and a longitudinal leg lower supporting beam, and is respectively fixed on a longitudinal leg fixing mechanism and a longitudinal leg moving mechanism in the front and back, so that the same group of longitudinal legs can be opened and closed synchronously from left to right. The longitudinal leg moving mechanism 2.2 is connected with the longitudinal leg lower supporting beam 4 by a connecting seat 2.2.3. The longitudinal leg fixing mechanism 2.3 is connected with the longitudinal leg upper supporting beam 3 through a connecting seat 2.3.1.
The electric push rod assembly 5 is prior art and is powered by an electric push rod motor 5.1. The upper end of the electric push rod assembly 5 is hinged to the lifting appliance frame 1 through the electric push rod upper connecting seat 5.2 and the electric push rod upper rotating shaft 5.3, and the lower end of the electric push rod assembly 5 and the longitudinal leg upper supporting beam 3 are hinged to the electric push rod lower connecting seat 5.5 and the electric push rod lower rotating shaft 5.4.
A screw rod lifter assembly 6 is arranged between the longitudinal leg moving mechanism 2.2 and the longitudinal leg fixing mechanism 2.3, and the screw rod lifter assembly 6 drives the longitudinal leg moving mechanism 2.2 to move up and down relative to the longitudinal leg fixing mechanism 2.3. The screw elevator assembly 6 is prior art, and its power is improved by screw motor 6.1. The upper end of the screw rod elevator component 6 is connected with the longitudinal leg upper supporting beam 3 through a screw rod motor upper connecting seat 6.2, and the lower end of the screw rod elevator component 6 is connected with the longitudinal leg lower supporting beam 4 through a screw rod motor lower connecting seat 6.3 and a screw rod motor rotating shaft 6.4 in a hinged mode.
The utility model discloses realize like this specifically:
the lifting appliance frame 1 is connected with the lifting mechanism through a connecting seat 1.3 connected with the lifting mechanism, so that the integral operation of the lifting appliance is ensured; in the ascending and descending processes of an empty sling or a sling lifting vehicle body, four sling guide rods 1.2 distributed around the sling are used for guiding and positioning the sling, so that the sling is ensured to lift or place the vehicle body at a normal position. The positioning precision of the lifting appliance and the lifting efficiency of the car body of the production line are improved.
Four hang leg assembly 2 divide left and right sides to connect and make up into about two sets of hanging leg combinations (open-close type hanging leg structure) by indulging leg upper strut crossbeam 3 and indulging leg lower strut crossbeam 4 respectively to can be connected with hoist frame 1 around rotation axis 2.5 by the hinge formula, under the power promotion of electric putter subassembly 5, possess the function that opens and shuts that hangs the leg combination, ensure that the hoist normally snatchs the automobile body.
The longitudinal leg moving mechanism 2.2 is powered by the screw rod elevator assembly 6 to move up and down along the guide rail 2.3 of the longitudinal leg fixing mechanism, so that the requirement that the lifting leg assembly 2 is extended when a higher vehicle body is lifted is met, the lifting leg assembly 2 retracts after the lifting is finished, the overall size of the lifting appliance is reduced, and the return route of the lifting appliance and the space utilization rate of the whole production workshop are improved.
The working principle of the utility model is as follows:
1. hoisting: the left and right groups of hanging legs are combined under the action of the screw rod lifter assembly 6 and are completely extended to a working state, then the two groups of hanging legs are combined under the action of the electric push rod assembly 5 to open the hanging legs, the hanger is descended to a working position under the lifting mechanism, and meanwhile, the hanger is guided and positioned by a hanger guide rod 1.2 in the descending process; after the lifting appliance is lowered to the right, the electric push rod 5 provides power to close the combination of the left and right groups of lifting legs, and the lifting appliance is lifted under the action of the lifting mechanism.
2. The process of vehicle body placement and hanger return: the lifting appliance belt car body descends to a car falling working position under the action of a lifting mechanism, and is guided and positioned by a lifting appliance guide rod 1.2 in the descending process; the lifting leg combination opens the lifting leg under the action of the electric push rod assembly 5, the movable longitudinal leg mechanisms 2 on the left side and the right side are retracted under the action of the screw rod elevator assembly 6, and then the electric push rod assembly 5 closes two groups of lifting leg combinations, so that the overall size of the lifting appliance is reduced. The lifting appliance rises and returns under the action of the lifter.
The utility model discloses simple structure, convenient to use is applicable to large-scale, the higher commercial car automobile body hoist and mount of automobile body height. The utility model discloses can be used in the hoist and mount of automobile manufacturing process automobile body, transport, satisfy beat operation requirement, equipment is simple, the quality is reliable.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (10)
1. The utility model provides a car body retractable hoist, includes the hoist frame and locates the open-close type of hoist frame left and right sides and hang the leg structure, is equipped with the push rod subassembly that the open-close type of drive was hung the leg structure and was opened and shut between open-close type hung leg structure and the hoist frame, its characterized in that: the opening-closing type lifting leg structures comprise two lifting leg assemblies which are arranged in front and at the back, and the lifting leg assemblies are hinged with the lifting appliance frame; the lifting leg assembly comprises a longitudinal leg fixing mechanism and a longitudinal leg moving mechanism, the longitudinal leg moving mechanism is in sliding fit with the longitudinal leg fixing mechanism in the up-down direction, a telescopic assembly is arranged between the longitudinal leg moving mechanism and the longitudinal leg fixing mechanism, and the telescopic assembly drives the longitudinal leg moving mechanism to move up and down relative to the longitudinal leg fixing mechanism; the longitudinal leg moving mechanism is provided with a transverse leg.
2. The telescopic car body spreader of claim 1, wherein: the longitudinal leg fixing mechanism is provided with a guide rail in the vertical direction, and the longitudinal leg moving mechanism is embedded into the guide rail of the longitudinal leg fixing mechanism through two fixed guide wheels, so that the longitudinal leg moving mechanism and the longitudinal leg fixing mechanism are in sliding fit in the vertical direction.
3. The telescopic car body spreader of claim 2, wherein: and telescopic limiting parts are arranged at the lower end and/or the upper end of the guide rail of the longitudinal leg fixing mechanism.
4. The telescopic car body spreader of claim 1, wherein: the lifting leg assembly is connected with the lifting appliance frame through a hinge type rotatable rotating shaft, and a rotatable limiting part is arranged at the upper end of the lifting leg assembly and used for installing the hinge type rotatable rotating shaft on the inner side of a fixed seat.
5. The telescopic car body spreader of any one of claims 1 to 4, wherein: and a longitudinal leg supporting cross beam is arranged between the two hanging leg assemblies on each side and comprises a longitudinal leg upper supporting cross beam connected with the two longitudinal leg fixing mechanisms and a longitudinal leg lower supporting cross beam connected with the two longitudinal leg moving mechanisms.
6. The telescopic car body spreader of claim 5, wherein: the upper end of the push rod component is hinged with the hanger frame, and the lower end of the push rod component is hinged with a supporting cross beam on the longitudinal leg.
7. The telescopic car body spreader of claim 6, wherein: the push rod subassembly is the electric putter subassembly, and electric putter subassembly upper end and hoist frame are realized articulated being connected by electric putter upper junction seat and electric putter top rotating shaft, and electric putter subassembly lower extreme and indulge leg on the support crossbeam by electric putter lower junction seat and electric putter lower rotating shaft realize articulated being connected.
8. The telescopic car body spreader of claim 5, wherein: the upper end of the telescopic assembly is connected with the longitudinal leg upper supporting beam, and the lower end of the telescopic assembly is connected with the longitudinal leg lower supporting beam.
9. The telescopic car body spreader of claim 8, wherein: the telescopic assembly is a screw rod lifter assembly, the upper end of the screw rod lifter assembly is fixedly connected with the longitudinal leg upper supporting beam through a screw rod motor upper connecting seat, and the lower end of the screw rod lifter assembly is hinged with the longitudinal leg lower supporting beam through a screw rod motor lower connecting seat and a screw rod motor rotating shaft.
10. The telescopic car body spreader of any one of claims 1 to 4, wherein: the lifting appliance frame is formed by splicing a plurality of supporting beams, and lifting appliance guide rods are arranged at the top points around the lifting appliance frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232516.6U CN213326332U (en) | 2020-06-30 | 2020-06-30 | Telescopic lifting appliance for vehicle body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232516.6U CN213326332U (en) | 2020-06-30 | 2020-06-30 | Telescopic lifting appliance for vehicle body |
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| Publication Number | Publication Date |
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| CN213326332U true CN213326332U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021232516.6U Active CN213326332U (en) | 2020-06-30 | 2020-06-30 | Telescopic lifting appliance for vehicle body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339049A (en) * | 2021-07-05 | 2021-09-03 | 山东交通学院 | Intelligent disaster reduction and rescue equipment for tunnel and working method thereof |
| CN113845023A (en) * | 2021-08-30 | 2021-12-28 | 东风汽车集团股份有限公司 | Lifting appliance for lifting and overturning vehicle body and using method thereof |
-
2020
- 2020-06-30 CN CN202021232516.6U patent/CN213326332U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339049A (en) * | 2021-07-05 | 2021-09-03 | 山东交通学院 | Intelligent disaster reduction and rescue equipment for tunnel and working method thereof |
| CN113339049B (en) * | 2021-07-05 | 2023-11-24 | 山东交通学院 | Intelligent disaster reduction and rescue equipment for tunnel and working method thereof |
| CN113845023A (en) * | 2021-08-30 | 2021-12-28 | 东风汽车集团股份有限公司 | Lifting appliance for lifting and overturning vehicle body and using method thereof |
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