Carriage with lifting roof

Abstract

A carriage wall plate is in rigid connection with a carriage framework, a driving assembly is fixed on the carriage wall plate, the output end of the driving assembly is connected with a liftable driving wheel assembly, a fixed track is arranged on the carriage framework, and the driving wheel assembly is in closed-loop transmission connection with the lifting roof through a transmission chain. The lifting car roof is arranged on the fixed rail in a lifting mode, and the fixed rail is provided with a two-way guide groove. When the driving assembly is started, power is transmitted to the driving wheel assembly through the transmission chain, and then the lifting car roof is driven to do lifting motion along the fixed track. The bidirectional guide grooves in the fixed rails not only provide accurate motion trails for the lifting car roof, but also ensure the stability and reliability of the lifting process, so that the lifting car roof can be flexibly adjusted according to actual requirements, and the use space of a carriage is effectively increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of logistics vehicle equipment, especially relates to a carriage with a lifting roof. BACKGROUND

[0002] With the development of society and the improvement of people's living standards, small and medium-sized vehicles have been widely used in daily life. However, these vehicles often face the problem of limited space in the process of use, especially when transporting large volume of goods or performing special operations, the traditional fixed roof design cannot meet the demand of space expansion. In addition, in some special occasions, such as urban logistics distribution, outdoor operation, etc., the lifting height of the vehicle needs to be accurately controlled to adapt to different working environments and requirements.

[0003] Although the existing lifting roof technology solves the problem of space expansion in the vehicle to some extent, there are still some deficiencies. For example, some lifting roof structures are complex, the manufacturing cost is high, and the stability is poor during lifting, which is easy to shake and make noise. In addition, the control accuracy of some lifting roofs is not enough, which cannot meet the demand of accurate control of lifting height, which limits its application range in some strict height requirements, such as urban height limit area or special operation environment. It can be seen that the existing technology needs to be improved and improved. SUMMARY

[0004] In view of the above deficiencies of the prior art, the purpose of the utility model is to provide a carriage with a lifting roof, which solves the problems of high use cost and poor stability of the lifting roof in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a carriage with a lifting roof, comprising a carriage skeleton, a carriage wall plate, a jacking device and a lifting roof: the jacking device comprises a driving assembly, a movable wheel assembly, a transmission chain and a fixed track; the carriage wall plate is rigidly connected with the carriage skeleton, the driving assembly is fixed on the carriage wall plate, the output end of the driving assembly is connected with the movable wheel assembly which can be lifted, the fixed track is arranged on the carriage skeleton, the movable wheel assembly is connected with the lifting roof in closed loop transmission through the transmission chain, the lifting roof is arranged on the fixed track in a lifting manner, and the fixed track is provided with a bidirectional guide groove.

[0006] In an embodiment of the utility model, a welding block is further included, and the transmission chain is fixedly connected with the lifting roof through the welding block.

[0007] The beneficial effects of the above-mentioned embodiment are that the transmission chain and the lifting car top are fixedly connected through the welding block, the connection strength and stability between the transmission chain and the lifting car top are enhanced, it is ensured that the transmission chain does not loosen or fall off during power transmission, and the reliability and safety of the entire lifting system are improved.

[0008] In an embodiment of the utility model, the movable wheel assembly includes a mounting bracket and a pulley rotatably arranged on the mounting bracket, the transmission chain is movably arranged on the pulley, one end of the transmission chain is fixed to the mounting bracket, and the other end is fixedly welded to the lifting car top.

[0009] The beneficial effects of the above-mentioned embodiment are that the transmission chain optimizes the power transmission path, ensures that the tension of the transmission chain is uniformly distributed during operation, and reduces the wear and noise of the chain.

[0010] In an embodiment of the utility model, the lifting car top includes movable sliding rails and a top plate, the movable sliding rails are arranged in the fixed rails, and the four corners of the top plate are provided with the movable sliding rails.

[0011] The beneficial effects of the above-mentioned embodiment are that the movable sliding rails are lifted in the fixed rails, the lifting car top can move smoothly during lifting, friction and wear are reduced, the service life of the equipment is prolonged, the adaptability of the lifting car top is improved, it can better adapt to different use environments and requirements, and the noise during lifting is reduced.

[0012] In an embodiment of the utility model, the top plate is a double-layer structure including a heat insulation layer and a protective layer, the heat insulation layer is made of polyurethane foam material, and the protective layer is made of steel plate.

[0013] The beneficial effects of the above-mentioned embodiment are that the heat insulation layer is made of polyurethane foam material and has good heat insulation performance, can effectively insulate external heat, and keep the temperature inside the car stable, and the protective layer is made of steel plate and has high strength and durability, can resist external impact and collision, and protect the safety of the internal structure and articles of the car

[0014] In an embodiment of the utility model, the pulley is a double-bearing pulley set, and the ratio of the wheel diameter of the double-bearing pulley set to the pitch of the transmission chain is 1:0.8-1.2.

[0015] The beneficial effects of the above-mentioned embodiment are that the ratio of the wheel diameter to the pitch of the transmission chain is 1:0.8-1.2, the cooperation of the pulley and the transmission chain is optimized, it is ensured that the transmission chain runs smoothly during operation, and the chain jumping is reduced.

[0016] In an embodiment of the utility model, the driving assembly is an electric rod or a push rod.

[0017] The above-mentioned embodiments have the beneficial effect that the driving assembly adopts an electric lever or a push rod, providing flexible power selection, the electric lever being convenient to operate and capable of realizing precise lifting control, and being suitable for occasions requiring high-precision lifting, while the push rod is simple in structure and low in cost, being suitable for cost-sensitive application scenarios.

[0018] In an embodiment of the utility model, still include the canvas that blocks up in the lateral opening at the carriage skeleton, the canvas is fixedly connected with the lateral opening at the carriage skeleton through the zipper or magic tape.

[0019] The above-mentioned embodiments have the beneficial effect that the canvas is fixedly connected with the carriage skeleton through the zipper or magic tape, so that the carriage can be quickly opened or closed to the lateral opening when needed, increasing the flexibility and practicality of the carriage, and meanwhile, the fixing mode of the zipper or magic tape makes the installation and dismounting of the canvas more convenient, reducing maintenance cost.

[0020] As mentioned above, the carriage with a lifting roof has the following beneficial effects: when the driving assembly is started, power is transmitted to the driving wheel assembly through the transmission chain, and then drives the lifting roof to move up and down along the fixed track. The bidirectional guide groove on the fixed track not only provides the lifting roof with an accurate movement track, but also ensures the stability and reliability of the lifting process, so that the lifting roof can be flexibly adjusted according to actual needs, effectively increasing the use space of the carriage, being suitable for urban logistics distribution, outdoor operation and other working environments, and improving the adaptability and practicality of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0022] Fig. 1 The structure schematic diagram of the carriage with a lifting roof is provided in the utility model;

[0023] Fig. 2 The roof closing structure schematic diagram of the carriage with a lifting roof is provided in the utility model;

[0024] Fig. 3 The roof jacking structure schematic diagram of the carriage with a lifting roof is provided in the utility model.

[0025] Element number explanation

[0026] 1, carriage skeleton; 2, carriage wallboard; 3, drive assembly; 4, movable wheel assembly; 41, mounting bracket; 42, pulley; 5, transmission chain; 6, fixed track; 7, lifting roof; 71, movable slide rail; 72, top plate; 8, welding block; 9, canvas. DETAILED DESCRIPTION

[0027] The utility model provides a carriage with lifting roof, in order to make the purpose, technical scheme and effect of the utility model more clear, explicit, the following refers to the drawing and raises example to make further detailed description to the utility model.

[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms such as '' up and down '' and '' left and right '' is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model; in addition, the terms '' mounting '' and '' connecting '' should be understood broadly, and for ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] Please refer to Figs. 1 to 3 The utility model provides a carriage with lifting roof, the carriage with the function of lifting roof, the structure composition covers carriage skeleton 1, carriage wallboard 2, jacking device and lifting roof 7. Jacking device is by drive assembly 3, movable wheel assembly 4, transmission chain 5 and fixed track 6 constitute. Carriage wallboard 2 and carriage skeleton 1 are in rigid connection state, and drive assembly 3 is fixed on carriage wallboard 2, and its output end is connected with the movable wheel assembly 4 that can lift. Carriage skeleton 1 is equipped with fixed track 6, movable wheel assembly 4 builds up closed loop transmission connection with lifting roof 7 by transmission chain 5, and lifting roof 7 is set on fixed track 6 and can lift, and fixed track 6 is equipped with two-way guide slot.

[0030] In an embodiment of the utility model, welding block 8 is also included, transmission chain 5 is fixedly connected with lifting roof 7 via welding block 8, which significantly strengthens the connection strength and stability between transmission chain 5 and lifting roof 7, eliminates the loosening or falling of transmission chain 5 during power transmission, and effectively improves the reliability and safety of the entire lifting system.

[0031] In another embodiment, the structure of movable wheel assembly 4 includes mounting bracket 41 and pulley 42 rotatably arranged on mounting bracket 41, transmission chain 5 is movably arranged on pulley 42, one end of transmission chain 5 is fixed to mounting bracket 41, and the other end is fixedly welded to lifting roof 7. This design optimizes the power transmission path, ensures uniform distribution of tension during operation of transmission chain 5, effectively reduces chain wear and noise. In another feasible embodiment, the transmission chain 5 is a steel wire rope.

[0032] Further, in some embodiments, the structure of the lifting roof 7 comprises movable sliding rails 71 and a roof plate 72, the movable sliding rails 71 are arranged in the fixed rails 6 in a lifting manner, and the four corners of the roof plate 72 are all equipped with the movable sliding rails 71. This design makes the lifting roof 7 move smoothly during lifting, reduces friction and wear, prolongs the service life of the equipment, enhances the adaptability of the lifting roof 7 to different use environments and needs, and reduces the noise during lifting. More specifically, the roof plate 72 adopts a double-layer structure design, the inner layer is a heat insulation layer made of polyurethane foam material, and the outer layer is a protective layer made of steel plate. It can be understood that the heat insulation layer has excellent heat insulation performance, can effectively insulate external heat, and maintain the stability of the internal temperature of the vehicle compartment; the protective layer has high strength and durability, can resist external impact and collision, and can protect the internal structure and goods of the vehicle compartment.

[0033] In addition, in some embodiments, the pulley 42 adopts a double-bearing pulley set, and the ratio of the wheel diameter of the double-bearing pulley set to the pitch of the transmission chain 5 is set to 1:0.8-1.2. This parameter matching optimizes the cooperation between the pulley 42 and the transmission chain 5, ensures the smooth operation of the transmission chain 5, and reduces the chain jumping phenomenon.

[0034] Regarding the driving assembly 3, in some embodiments, an electric rod or a push rod can be selected, which provides a flexible power selection scheme for the system. The electric rod is convenient to operate and can realize precise lifting control, and is suitable for scenes with high lifting precision requirements. The push rod has simple structure and low cost, and is suitable for application occasions sensitive to cost.

[0035] Finally, in some embodiments, the vehicle compartment also comprises a canvas 9 used to block the lateral opening of the vehicle compartment framework 1, and the canvas 9 is fixedly connected to the lateral opening of the vehicle compartment framework 1 through a zipper or a magic tape. This fixing mode enables the lateral opening of the vehicle compartment to be quickly opened or closed, improves the flexibility and practicality of the vehicle compartment, and facilitates the installation and disassembly of the canvas 9, thereby reducing the maintenance cost.

[0036] In summary, the vehicle compartment with a lifting roof of the present application can effectively overcome the shortcomings in the prior art and has high industrial utilization value.

[0037] It can be understood that, for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the utility model.

Claims

1. A vehicle cabin having a lift roof, characterized by, The utility model provides a kind of vehicle body frame, vehicle body wallboard, jacking device and lift roof, the jacking device includes drive assembly, wheel assembly, transmission chain and fixed track;The vehicle body wallboard is rigidly connected with vehicle body frame, the drive assembly is fixed on the vehicle body wallboard, the output end of the drive assembly is connected with the wheel assembly that can be lifted, the fixed track is provided on the vehicle body frame, the wheel assembly is connected with the lift roof by transmission chain and forms closed-loop transmission, the lift roof is liftable and is arranged on the fixed track, the fixed track is equipped with two-way guide slot.

2. A vehicle cabin with a lift roof according to claim 1, characterized in that, It also includes welding block, the transmission chain is fixedly connected with the lift roof by the welding block.

3. A vehicle cabin with a lift roof according to claim 2, characterized in that, The wheel assembly includes mounting bracket and pulley rotatably arranged on the mounting bracket, the transmission chain is movably arranged on the pulley, one end of the transmission chain is fixed to the mounting bracket, and the other end is welded and fixed with the lift roof.

4. A vehicle cabin with a lift roof according to claim 3, characterized in that, The lift roof includes movable slide rail and top plate, the movable slide rail is liftable and is arranged in the fixed track, and the four corner portions of the top plate are all provided with the movable slide rail.

5. A vehicle cabin with a lift roof according to claim 4, characterized in that, The top plate is double-layer structure, including inner heat insulation layer and outer protective layer, the heat insulation layer is made of polyurethane foam material, and the protective layer is made of steel plate.

6. The liftgate having a liftgate according to claim 3, wherein, The pulley is double-bearing pulley set, and the ratio of the wheel diameter of the double-bearing pulley set to the pitch of the transmission chain is 1:0.8-1.

2.

7. The liftgate having a bed of claim 1, wherein, The drive assembly is electric rod or push rod.

8. The liftgate having a bed of claim 1, wherein, It also includes canvas blocked at the lateral opening of the vehicle body frame, and the canvas is fixedly connected with the lateral opening of the vehicle body frame by zipper or magic tape.

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