Vehicle body and underground people transporting vehicle

By using a cabin design that combines a hollow frame assembly and a skin assembly, the seat supports are eliminated, and the seats are fixed in place by surface contact. This solves the problems of excessive weight and insufficient safety of underground personnel transport vehicles, achieving both lightweighting and improved comfort.

CN223791585UActive Publication Date: 2026-01-13AEROSPACE HEAVY IND
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520132305.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-13
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing underground personnel transport vehicles are too heavy due to their body structure and seat design, which affects their range and also poses problems with safety and comfort.

Method used

The cabin is formed by combining a hollow frame assembly and a skin assembly, eliminating the seat brackets. The floor frame is bent upward to form a protrusion to directly fix the seats, and the mating surfaces are used for contact fixation, which reduces the weight of the vehicle body and improves the stability of the seats.

Benefits of technology

While ensuring the mechanical strength of the vehicle body, the weight is significantly reduced, the driving range is extended, the assembly and maintenance difficulty is reduced, and the safety and comfort are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223791585U_ABST
    Figure CN223791585U_ABST
Patent Text Reader

Abstract

The utility model provides a car body and an underground mancar, and relates to the technical field of mine transportation, the car body comprises a hollow framework assembly, a seat assembly and a skin assembly, the skin assembly covers the outside of the hollow framework assembly, the hollow framework assembly and the skin assembly are encircled to form a compartment, and the hollow framework assembly and the skin assembly are arranged in the compartment. And the seat assembly is mounted in the carriage. The hollow framework assembly comprises a floor framework, a top wall framework and a side wall framework, the floor framework is bent along with the outline of the seat assembly to provide support, and the floor framework and the seat assembly are fixed in a surface contact mode. The utility model has the effects of prolonging the endurance mileage and improving the safety and comfort level of the vehicle.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of mine transportation, and more specifically, to a vehicle body and an underground personnel transport vehicle. Background Technology

[0002] Underground personnel transport vehicles are trackless transport vehicles used in mines, primarily for transporting personnel and materials. They are typically characterized by their mobility, flexibility, safety, and reliability, enabling one-time loading and unloading and point-to-point direct transport, greatly reducing the labor intensity of workers.

[0003] Most underground personnel transport vehicles are excessively heavy due to their body structure and the design of the seating facilities inside the vehicle, which affects the overall driving range. They also present problems such as complex production and assembly, and inconvenient maintenance. In addition, the limited space and bumpy road conditions underground can affect the comfort of the driver and passengers, and may also cause the vehicle to roll over, increasing the safety risks while driving. Utility Model Content

[0004] The problem this invention addresses is how to reduce the vehicle's weight and improve the safety and comfort of passenger transport vehicles by optimizing the vehicle body structure.

[0005] To solve the above problems, this utility model provides a vehicle body and an underground personnel transport vehicle.

[0006] In a first aspect, this utility model provides a vehicle body, which adopts the following technical solution:

[0007] A vehicle body includes a hollow frame assembly, a seat assembly, and a skin assembly, wherein the skin assembly covers the exterior of the hollow frame assembly, the hollow frame assembly and the skin assembly together form a passenger compartment, and the seat assembly is installed inside the passenger compartment;

[0008] The hollow frame assembly includes a floor frame, a top frame, and side frames. The floor frame is bent upward to form a boss, and the seat assembly is fixedly connected to the upper surface of the boss.

[0009] The beneficial effects of this utility model are as follows: The carriage formed by the hollow frame assembly and the skin assembly has a simple structure. The use of a hollow frame assembly throughout the entire vehicle body can significantly reduce its weight while ensuring the mechanical strength of the vehicle body, thereby extending the driving range of the personnel transport vehicle underground. Moreover, it is easy to assemble and maintain, as the hollow frame assembly and the skin assembly can be fixed by simple welding. Traditional personnel transport vehicles use brackets corresponding to each seat to connect and fix the seats to the vehicle body. However, in this solution, in order to further reduce the weight of the vehicle body, the brackets are eliminated, and the floor frame of the corresponding part of the seat assembly protrudes upward to form a boss, with the upper surface of the boss fitting against the bottom of the seat. In addition to reducing the weight, compared with the point contact fixation using brackets in related technologies, the floor frame and the seat assembly are fixed by surface contact, making the seat assembly more stable, thereby improving the safety and comfort of the personnel transport vehicle.

[0010] Optionally, the vehicle includes a driver's cab and a passenger cabin, and the seat assembly includes a driver's seat and a passenger seat. The driver's seat is fixedly installed in the driver's cab. The passenger seats are arranged against the side frame and along the side frame, and the passenger seats are fixedly connected to the floor frame and the side frame respectively.

[0011] Optionally, the cabin has two rows of passenger seats along the direction of travel, the two rows of passenger seats are arranged opposite each other and there is an aisle between them, the passenger seats include a bench and a backrest that are integrally connected, the bench is fixedly connected to the floor frame, and the backrest is fixedly connected to the side frame.

[0012] Optionally, the end of the bench connected to the backrest is tilted downwards.

[0013] Optionally, the surface of the passenger seat is a flexible waterproof layer, and the interior is filled with cushioning filler.

[0014] Optionally, a damping spring shock absorber is provided between the driver's seat and the floor frame.

[0015] Optionally, the side frame is provided with a front door and a rear door, and the two ends of the passage are respectively connected to the front door and the rear door.

[0016] Optionally, a partition frame is provided between the driver's cab and the passenger cabin, and a pull ring is provided on the roof frame corresponding to the position of the passenger seat.

[0017] Optionally, the side frame is provided with a sliding window, and a protective net is provided outside the sliding window, with the protective net being fixedly connected to the side frame.

[0018] Secondly, this utility model provides an underground personnel transport vehicle, including a chassis, wheels, a drive device, and a body as described above. The body is fixedly connected to the chassis, the wheels are rotatably connected to the chassis, and the drive device is used to drive the wheels to rotate.

[0019] Since the technical improvements and effects of the underground personnel transport vehicle are the same as those of the vehicle body, the underground personnel transport vehicle will not be described in detail again. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the vehicle body structure according to an embodiment of the present utility model.

[0021] Figure 2 This is a schematic diagram of the hollow frame assembly structure according to an embodiment of the present utility model.

[0022] Figure 3 This is a schematic diagram of the hollow frame assembly structure from another perspective of an embodiment of the present invention.

[0023] Figure 4 This is a schematic diagram of the vehicle body structure from another perspective of an embodiment of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Hollow frame assembly; 11. Floor frame; 111. Boss; 112. Connecting lug; 12. Top frame; 13. Side frame; 131. Left side frame; 1311. Driver's door; 132. Right side frame; 1321. Front door; 133. Rear side frame; 1331. Tailgate; 134. Sliding window; 2. Seat assembly; 21. Passenger seat; 211. Bench; 212. Backrest; 3. Skin assembly; 4. Front compartment assembly; 5. Car body; 51. Driver's cab; 511. Instrument panel; 52. Passenger cabin; 521. Aisle; 6. Damping spring shock absorber; 7. Protective net; 8. Partition frame; 9. Pull ring. Detailed Implementation

[0026] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Although some embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this utility model. It should be understood that the drawings and embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0027] In the attached diagram, the Z-axis represents the vertical direction, i.e., up and down, with the positive direction of the Z-axis representing upward and the negative direction representing downward. The Y-axis represents the horizontal direction and is designated as the front and rear positions, with the positive direction of the Y-axis representing the front (the direction of vehicle travel) and the negative direction representing the rear. The X-axis represents the left and right positions, with the positive direction of the X-axis representing the left and the negative direction representing the right. It should be noted that the aforementioned representations of the Z, Y, and X axes are merely for ease of description and simplification of the present invention, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0028] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; and the term "optionally" means "optional embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first," "second," etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0029] It should be noted that the terms "one" and "multiple" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0030] In related technologies, traditional underground personnel transport vehicles typically have multiple individual stainless steel seats inside the vehicle compartment. These seats are secured at a comfortable seating height by supports installed underneath, with the bottom of the supports connected and fixed to the vehicle's frame. For large personnel transport vehicles, the stainless steel seats and supports significantly increase the vehicle's weight. Overcoming this weight requires a large amount of fuel, preventing the vehicle from operating underground for extended periods and resulting in a short driving range. Furthermore, the poor underground road conditions and bumpy ride make the slippery stainless steel seats prone to causing passengers to slip and fall, and the cold, slippery surface of the stainless steel seats in winter makes it difficult for passengers to maintain a stable position and hold on during bumpy rides. All of these factors significantly reduce the safety and comfort of the underground personnel transport vehicle.

[0031] In order to solve at least one of the problems in the above-mentioned related technologies, the present invention provides a vehicle body and an underground personnel transport vehicle.

[0032] Reference Figures 1-3The present invention provides a vehicle body including a hollow frame assembly 1, a seat assembly 2, and a skin assembly 3. The skin assembly 3 covers the exterior of the hollow frame assembly 1. The hollow frame assembly 1 and the skin assembly 3 together form a passenger compartment 5. The seat assembly 2 is installed inside the passenger compartment 5. The hollow frame assembly 1 includes a floor frame 11, a roof frame 12, and a side frame 13. The floor frame 11 is bent upward to form a boss 111. The seat assembly 2 is fixedly connected to the upper surface of the boss 111.

[0033] Specifically, the vehicle body is mainly used for underground personnel transport. It is constructed from steel pipes assembled into a floor frame 11, a top frame 12, and side frames 13, which are then welded together to form a hollow frame assembly 1. The original seat support has been eliminated; instead, the floor frame 11, corresponding to the seat, is bent upwards according to the seat's shape and height, forming a protrusion 111. The seat is directly fixed to the top surface of the protrusion 111 on the floor frame 11. This design ensures vehicle body strength while meeting lightweight design requirements, significantly reducing the vehicle's weight and extending its underground range. The simplified structure also reduces the difficulty of assembly and maintenance. Furthermore, the seat assembly 2 is directly fixed to the protrusion 111 of the floor frame 11 using surface contact, improving the overall integrity of the vehicle body and making the seat assembly 2 more stable. Besides reducing weight, this also enhances the safety and comfort of the personnel transport vehicle.

[0034] Reference Figure 2 , Figure 3 To more clearly show the internal structure of carriage 5, the skin assembly 3 is not shown in the figure.

[0035] In this embodiment, the vehicle body also includes a front compartment assembly 4 for housing components such as the engine and radiator. The front compartment assembly 4, together with the aforementioned hollow frame assembly 1 and skin assembly 3, forms a six-sided enclosed passenger compartment 5. The floor frame 11 is also covered with sheet metal to increase the contact area with the seat assembly 2. The floor frame 11 and the sheet metal together form the floor of the passenger compartment 5, and anti-slip measures are also provided on the floor. The side frame 13, with the Y-axis (the direction of travel) as the front, is further divided into a left side frame 131, a right side frame 132, and a rear side frame 133. The front ends of the left side frame 131 and the right side frame 132 are welded and fixed to the front compartment assembly 4, respectively.

[0036] Reference Figure 3 Optionally, the carriage 5 includes a driver's cab 51 and a passenger cabin 52. The seat assembly 2 includes a driver's seat and a passenger seat 21. The driver's seat is fixedly installed in the driver's cab 51. The passenger seat 21 is arranged with its back against the side frame 13 and along the side frame 13. The passenger seat 21 is fixedly connected to the floor frame 11 and the side frame 13 respectively.

[0037] Specifically, placing the driver's cab at the front of the passenger compartment 5, occupying approximately one-fifth of the space, and using the remaining four-fifths as the passenger compartment 52 enhances the vehicle's passenger capacity, and the increased activity space helps improve passenger comfort. Arranging the passenger seats 21 with their backs against the side frame 13 around the passenger compartment 52 serves two purposes: firstly, it allows for a more balanced weight distribution within the passenger compartment 52; secondly, it facilitates the simultaneous fixing of the passenger seats 21 to the floor frame 11 and the side frame 13 from different directions, thereby improving the strength and stability of the passenger seats 21.

[0038] In this embodiment, the passenger cabin 52 has two rows of passenger seats 21 facing each other. The two rows of passenger seats 21 are backed against the left side frame 131 and the right side frame 132, respectively, and an aisle 521 is provided between the two rows of passenger seats 21. The backrests 212 of the two rows of seats can be connected to the corresponding left side frame 131 and right side frame 132, respectively. During the journey, the passengers face the direction of travel, which can prevent them from being thrown out of their seats due to inertia caused by sudden stops, further improving the comfort and safety of the vehicle.

[0039] Reference Figure 2 , Figure 3 Optionally, a partition frame 8 is provided between the driver's cab 51 and the passenger cabin 52, and a pull ring 9 is provided on the roof frame 12 corresponding to the position of the passenger seat 21.

[0040] Specifically, the driver's cab 51 and passenger cabin 52 are not completely separated by a closed partition, but rather partially isolated by a partition frame 8, which facilitates air circulation within the cabin 5. The partition frame 8 is horizontally positioned at the end of the passenger seat 21 closest to the driver's cab 51, effectively preventing passengers from moving towards the driver's cab 51 and thus avoiding interference with the driver's operation. The partition frame 8, welded from steel pipes, is lightweight and conforms to the curve of the human hand, making it easy for passengers to hold on during bumpy rides, thus contributing to vehicle weight reduction and improved safety. The pull ring 9 installed above the passenger seat 21 also allows passengers to reach out and grab it in emergencies to prevent falls. Direct welding of the pull ring 9 to the roof frame 12 improves its fastening strength and service life.

[0041] Reference Figure 3 In addition, the cab 51 is equipped with an instrument panel 511 for the driver to operate. The panel of the instrument panel 511 and the inspection cover on the right side of the instrument panel 511 can be removed to facilitate the maintenance and replacement of electrical components such as the wiper motor and junction box on the back of the instrument panel 511.

[0042] In this embodiment, the driver's seat is located on the left side of the cab 51, and the space on the right side of the cab 51 is a shared space between the cab 51 and the passenger cabin 52. The door of the passenger cabin 52 is located on the right side frame 132 corresponding to the right side space of the cab 51. This allows passengers to get on and off the vehicle when it is parked, without affecting the driver's operation of the dashboard 511 during driving. This design makes the passenger seats 21 on both sides of the passenger cabin 52 completely symmetrical, which helps to balance the vehicle's weight and improve the vehicle's rollover resistance.

[0043] Reference Figure 2 Optionally, a damping spring shock absorber 6 is provided between the driver's seat and the floor frame 11.

[0044] Specifically, the damping spring shock absorber 6 can adjust the height, position, and tilt angle of the driver's seat to meet the different seating habits of drivers, and play a shock-absorbing role in bumpy conditions, which helps to improve the safety and comfort of the cab 51.

[0045] In this embodiment, in order to better show the internal structure of the carriage 5, the driver's seat is not shown in the figure. The creative improvement in this embodiment does not involve the structure and function of the driver's seat. The specific structure of the driver's seat can be referred to in related technologies.

[0046] Reference Figure 3 Optionally, the passenger seat 21 includes an integrally connected bench 211 and backrest 212, the bench 211 being fixedly connected to the floor frame 11, and the backrest 212 being fixedly connected to the side frame 13.

[0047] Specifically, compared to a single-person seat, the bench 211 saves space to accommodate more passengers. The integrated connection between the bench 211 and the backrest 212 improves the overall integrity of the passenger seat 21.

[0048] In this embodiment, the passenger seats 21 are arranged in groups of three, and three groups of passenger seats 21 are provided on each side of the cabin 52.

[0049] Optionally, the end of the bench 211 connected to the backrest 212 is tilted downwards.

[0050] Specifically, in the related technology, the stainless steel seat bench is parallel to the horizontal plane, which can easily cause passengers to slide out of the seat during bumpy rides. The cross-section of the passenger seat 21 is roughly L-shaped. Tilting the end of the bench 211 near the backrest 212 downwards at a certain angle can shift the passenger's center of gravity backwards when sitting, preventing them from sliding forward out of the seat and making the ride more stable and comfortable.

[0051] In this embodiment, the angle between the bench 211 and the XY plane is 5°.

[0052] Optionally, the surface of the passenger seat 21 is covered with a sealed flexible waterproof layer, and the flexible waterproof layer is filled with cushioning filler.

[0053] Specifically, the passenger seat 21 is filled with cushioning materials such as sponge, rubber, and cotton, which makes the bench 211 and backrest 212 softer to the touch and improves comfort. The flexible waterproof layer on the surface is preferably made of leather, which is dirt-resistant and easy to clean, and can protect the internal cushioning filling.

[0054] Reference Figures 2-4 Optionally, the side frame 13 is provided with a front door 1321 and a rear door 1331, and the two ends of the passage 521 are respectively connected to the front door 1321 and the rear door 1331.

[0055] Specifically, the front door 1321 is located on the right side of the frame 132, directly opposite the driver's cab 51, and the rear door 1331 is located on the rear side of the frame 133, directly opposite the aisle 521. The two doors, one in front and one in the rear, facilitate passengers to get on and off the vehicle quickly, thus preventing overcrowding inside the carriage 5.

[0056] Optionally, the side frame 13 is provided with a sliding window 134, and a protective net 7 is provided outside the sliding window 134. The protective net 7 is fixedly connected to the side frame 13.

[0057] Specifically, the upper parts of the left frame 131 and the right frame 132, as well as the upper part of the tailgate 1331, are all equipped with sliding glass windows 134. The sliding windows 134 facilitate ventilation inside the vehicle and provide passengers with a good view. The protective net 7 has spikes on its surface, which can protect the glass windows and the occupants inside the car 5, prevent damage to the glass when the underground tunnel is too narrow, and also prevent occupants from sticking their hands, heads, or other body parts out of the windows, further improving the safety of the vehicle.

[0058] In addition, the vehicle body is equipped with interior panels made of fire-resistant and noise-reducing sound-insulating materials, which can effectively insulate sound and heat and reduce noise. Anti-slip steps are provided on the floor at the entrance of the driver's cabin and at the front door 1321 and tail door 1331 of the passenger cabin 52, and anti-slip mats are laid on the aisle 521 to facilitate passengers getting on and off the vehicle.

[0059] This utility model provides an underground personnel transport vehicle, which includes the vehicle body as described above.

[0060] The underground personnel transport vehicle in this embodiment also includes a chassis, wheels, and a drive device. The vehicle body is fixedly connected to the chassis, the wheels are rotatably connected to the chassis, and the drive device is used to drive the wheels to rotate.

[0061] Reference Figure 2 , Figure 3Specifically, the floor frame 11 has multiple connecting ears 112 on its edge for connecting and installing the vehicle body and chassis.

[0062] The advantages of the underground personnel transport vehicle in this embodiment compared to the prior art are the same as those of the vehicle body described above, and will not be repeated here.

[0063] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the protection scope of the present invention.

Claims

1. A vehicle body, characterized by, The application relates to a vehicle body, which comprises a hollow framework assembly (1), a seat assembly (2) and a skin assembly (3), wherein the skin assembly (3) covers the outside of the hollow framework assembly (1), the hollow framework assembly (1) and the skin assembly (3) jointly form a vehicle cabin (5), and the seat assembly (2) is installed in the vehicle cabin (5). The hollow framework assembly (1) comprises a floor framework (11), a roof framework (12) and a side wall framework (13), the floor framework (11) is bent upwards to form a convex platform (111), and the seat assembly (2) is fixedly connected to the upper surface of the convex platform (111).

2. The vehicle body according to claim 1, characterized by The vehicle cabin (5) comprises a driver's cabin (51) and a passenger cabin (52), the seat assembly (2) comprises a driver's seat and passenger seats (21), the driver's seat is fixedly installed in the driver's cabin (51), the passenger seats (21) are arranged along the side wall framework (13) and are fixedly connected to the floor framework (11) and the side wall framework (13).

3. The vehicle body of claim 2, wherein, Two rows of the passenger seats (21) are arranged in the passenger cabin (52) along the travelling direction, the two rows of the passenger seats (21) are oppositely arranged and a passageway (521) is arranged between the two rows of the passenger seats (21), the passenger seat (21) comprises an integral strip bench (211) and backrest (212), the strip bench (211) is fixedly connected to the floor framework (11), and the backrest (212) is fixedly connected to the side wall framework (13).

4. The vehicle body of claim 3, wherein, One end of the strip bench (211) connected to the backrest (212) is inclined downwards.

5. The vehicle body of claim 3, wherein, The surface of the passenger seat (21) is a flexible waterproof layer, and the inside is filled with a buffer filler.

6. The vehicle body of claim 2, wherein, A damping spring shock absorber (6) is arranged between the driver's seat and the floor framework (11).

7. The vehicle body of claim 3, wherein, Front doors (1321) and tail doors (1331) are arranged on the side wall framework (13), respectively, and the passageway (521) is in communication with the front doors (1321) and the tail doors (1331) at two ends.

8. The vehicle body of claim 2, wherein, A partition frame (8) is arranged between the driver's cabin (51) and the passenger cabin (52), and a pull ring (9) is arranged on the roof framework (12) corresponding to the position of the passenger seat (21).

9. The vehicle body of claim 1, wherein, A sliding window (134) is arranged on the side wall framework (13), a protective net (7) is arranged outside the sliding window (134), and the protective net (7) is fixedly connected to the side wall framework (13).

10. A man-riding car for use in a mine, characterized in that, The application further relates to a vehicle, which comprises a chassis, wheels, a driving device and the vehicle body.