Underground equipment transport vehicle

The underground equipment transport vehicle with a full-frame hollow chassis has solved the safety and efficiency problems of transporting large mechanical equipment underground, and achieved efficient and safe equipment transportation.

CN224131049UActive Publication Date: 2026-04-17LIAONING HUAKE CHINA COAL EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAONING HUAKE CHINA COAL EQUIP
Filing Date
2025-06-12
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Large mechanical equipment is difficult to transport safely and efficiently due to its enormous size and weight during underground operations, and damage to it can cause huge economic losses.

Method used

The downhole equipment transport vehicle adopts a full-frame hollow chassis, including a multi-functional equipment holder, a limiting mechanism, a traveling wheel set, and a coupler buffer, to ensure equipment fixation, limit displacement, and mitigate impact. The hollow chassis made of structural steel maintains a minimum ground clearance.

Benefits of technology

It has enabled efficient transportation of ultra-large and ultra-high equipment, improved loading capacity and safety, shortened unloading and shunting time, and enhanced the safety and stability of underground transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of underground equipment, and discloses an underground equipment transport vehicle which comprises a full-frame type hollowed-out chassis, and multifunctional equipment fixers are fixedly arranged on the two sides of the upper end face of the full-frame type hollowed-out chassis. Limiting mechanisms used for limiting the multifunctional equipment fixing devices are further installed on the two sides, located on the outer sides of the multifunctional equipment fixing devices, of the upper end face of the full-frame type hollowed-out chassis, and walking wheel pairs used for walking of the transport vehicle are installed at the front end and the rear end of the lower end face of the full-frame type hollowed-out chassis correspondingly. Coupler buffers used for being connected with a mine car and assisting in buffering impact force are installed at the middle points of the front end and the rear end of the full-frame type hollowed-out chassis. According to the utility model, the full-frame type hollow frame is adopted, so that ultra-large and ultra-high equipment can be transported. The underground transportation device has the advantages of large volume coefficient, small self-weight coefficient, short unloading and shunting time, large loading capacity, large trafficability of a loading station and an unloading station, and capability of improving the safety of underground transportation.
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Description

Technical Field

[0001] This utility model relates to the field of downhole equipment, and in particular to a downhole equipment transport vehicle. Background Technology

[0002] The size and weight of large machinery are often the primary challenges in its transportation. These devices are typically enormous and incredibly heavy, far exceeding the carrying capacity of conventional transport vehicles. Therefore, meticulous route planning is essential before transportation, ensuring that underground infrastructure such as tunnels and railway tracks can withstand their weight. Simultaneously, the loading and unloading of the equipment must be considered; how to safely and efficiently complete these operations is a major challenge for underground transportation teams. Safety during transportation cannot be ignored. Large machinery is usually very valuable, and damage during transport can result in significant economic losses. Therefore, strict protective measures must be implemented, such as using specialized transport vehicles to secure the equipment, setting limits, and providing cushioning, to minimize transportation risks. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an underground equipment transport vehicle. This vehicle utilizes a full-frame hollow chassis to transport ultra-large and ultra-high equipment. Its advantages include: a large volumetric efficiency, a low tare weight coefficient, short unloading and shunting times, a large loading capacity, and high throughput at loading and unloading stations, thereby improving the safety of underground transportation.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] The underground equipment transport vehicle includes a full-frame hollow chassis. Multifunctional equipment holders are fixedly installed on both sides of the upper surface of the full-frame hollow chassis. Limiting mechanisms for restricting the multifunctional equipment holders are also installed on both sides of the upper surface of the full-frame hollow chassis, located outside the multifunctional equipment holders. Wheelsets for the transport vehicle to travel are installed at both the front and rear ends of the lower end of the full-frame hollow chassis. Coupler buffers for connecting mine cars and assisting in mitigating impact forces are installed at the midpoint of both the front and rear ends of the full-frame hollow chassis.

[0006] Furthermore, the full-frame hollow chassis is made of structural steel, and the full-frame hollow chassis maintains a minimum ground clearance from the rails.

[0007] Furthermore, the multi-functional equipment holder includes a multi-hole positioning and fixing plate, which is fixedly installed at the midpoint of both sides of the upper surface of the full-frame hollow chassis. A second support side plate is fixedly installed on one side of the outer wall of the multi-hole positioning and fixing plate at the upper end of the full-frame hollow chassis, and a first support side plate is fixedly installed on the second support side plate. The multi-hole positioning and fixing plate is fixedly connected to the first support side plate and the second support side plate. The two multi-functional equipment holders are symmetrically distributed on both sides along the center line of the full-frame hollow chassis. The multi-hole positioning and fixing plate has multiple threaded holes.

[0008] Furthermore, the limiting mechanism includes two protrusions, both of which are higher than the full-frame hollow chassis and are positioned in a front-rear position in the longitudinal direction.

[0009] Furthermore, the wheel pair includes two wheels, both of which are equipped with double cylindrical roller bearings and connected by a connecting shaft. An end cap is also bolted to one side of each wheel.

[0010] Furthermore, the coupler buffer is a rigid buffer, with a rubber bumper fixedly installed on one side of its inner wall.

[0011] This utility model has the following beneficial effects:

[0012] The underground equipment transport vehicle no longer uses the original flatbed structure, but adopts a full-frame hollow frame to transport ultra-large and ultra-high equipment. Its advantages are: large volume coefficient, small weight coefficient, short unloading and shunting time, large loading capacity, large throughput capacity of loading and unloading stations, and improved safety of underground transportation.

[0013] 1. The full-frame hollow chassis is made of structural steel and is used to load ultra-high and ultra-large equipment. The hollow chassis can maintain a minimum ground clearance of 50mm between the equipment and the rails, solving the problem of height restriction in the roadway during transportation.

[0014] 2. Multifunctional equipment holder, which can be made with corresponding clamping and fixing mechanisms according to different equipment. The clamping and fixing mechanisms are set on both sides of the transport vehicle. The corresponding limiting mechanisms are made according to different equipment and installed at both ends of the chassis. The limiting mechanisms are equipped with protrusions that are higher than the chassis frame for longitudinal fixing of the equipment.

[0015] 3. Specially designed small wheelsets are used to reduce the overall height of the vehicle. They have an open structure and end caps for easy disassembly and adjustment of bearing clearance.

[0016] 4. Buffers are installed at both ends of the car frame to mitigate the impact between the two mine cars. Attached Figure Description

[0017] Figure 1 This is a side view of the structure of this utility model;

[0018] Figure 2 This is a front view structural diagram of the present utility model;

[0019] Figure 3 This is a top view of the structure of this utility model;

[0020] Figure 4 This is a partial front view schematic diagram of the structure of this utility model;

[0021] Figure 5 This utility model Figure 1 A magnified schematic diagram of a portion of the structure at the center running wheelset.

[0022] Legend:

[0023] 1. Multifunctional equipment fixer; 101. Multi-hole positioning fixing plate; 102. Support side plate No. 1; 103. Support side plate No. 2; 2. Coupler buffer; 3. Traveling wheelset; 4. Full-frame hollow chassis; 5. Limiting mechanism. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-5 An embodiment of this utility model provides an underground equipment transport vehicle, including a full-frame hollow chassis 4. Multifunctional equipment holders 1 are fixedly installed on both sides of the upper surface of the full-frame hollow chassis 4. Limiting mechanisms 5 for restricting the multifunctional equipment holders 1 are also installed on both sides of the upper surface of the full-frame hollow chassis 4 outside the multifunctional equipment holders 1. Wheel sets 3 for the transport vehicle to travel are installed at both the front and rear ends of the lower end of the full-frame hollow chassis 4. Coupler buffers 2 for connecting mine cars and assisting in mitigating impact forces are installed at the midpoints of the front and rear ends of the full-frame hollow chassis 4.

[0026] Specifically, during transportation, the equipment is secured using the multi-functional equipment fasteners 1 on both sides of the transport vehicle. The multi-functional equipment fasteners 1 are provided with through threaded holes for fixed connection with the equipment.

[0027] The underground equipment transport vehicle of this utility model is required to be transported separately and is strictly prohibited from being used as a tractor. The speed must not exceed 0.3 meters per second.

[0028] Reference Figure 3The full-frame hollow chassis 4 is made of special steel and is used to load ultra-high and ultra-large equipment. The hollow chassis is used to maintain the minimum ground clearance between the equipment and the rails to solve the problem of height restriction in the roadway during transportation.

[0029] Reference Figure 1 , Figure 2 and Figure 4 The multi-functional equipment fixer 1 includes a multi-hole positioning and fixing plate 101. The multi-hole positioning and fixing plate 101 is fixedly installed at the midpoint of both sides of the upper end face of the full-frame hollow chassis 4. A second support side plate 103 is fixedly installed on one side of the outer wall of the multi-hole positioning and fixing plate 101 at the upper end of the full-frame hollow chassis 4, and a first support side plate 102 is fixedly installed on the second support side plate 103. The multi-hole positioning and fixing plate 101 is fixedly connected to the first support side plate 102 and the second support side plate 103. The two multi-functional equipment fixers 1 are symmetrically distributed on both sides along the center line of the full-frame hollow chassis 4. The multi-hole positioning and fixing plate 101 has multiple threaded holes.

[0030] Specifically, the multi-hole positioning and fixing plate 101 is provided with through threaded holes for fixed connection with the equipment. The additional support side plates on both sides can improve the load-bearing capacity of the multi-hole positioning and fixing plate 101, enabling it to withstand greater forces and improve safety. At the same time, it is easy to operate and safe to use, and can be widely used.

[0031] Reference Figure 1 and Figure 5 The limiting mechanism 5 includes two protrusions, both of which are higher than the full-frame hollow chassis 4 and are positioned in the front and rear positions in the longitudinal direction.

[0032] Specifically, the equipment is restrained by the protrusions of the limiting mechanism 5 on both sides of the bottom of the transport vehicle to ensure that no longitudinal displacement occurs.

[0033] Reference Figure 1 , Figure 2 and Figure 5 The traveling wheelset 3 includes two traveling wheels, both of which are equipped with double cylindrical roller bearings and connected by a connecting shaft. An end cap is also bolted to one side of each of the two traveling wheels. By adopting an open structure and utilizing the end caps designed on the wheelset, it is easy to disassemble, install, and adjust the bearing clearance.

[0034] Reference Figure 1 and Figure 3 The coupler buffer 2 is a rigid buffer, and a rubber bumper is fixedly installed on one side of its inner wall;

[0035] Specifically, the buffers are installed at both ends of the frame to mitigate the impact between the two mine cars. The rigid buffer has a simple structure and can withstand traction, braking force, collision force between mine cars and impact force from the rails. The existing coupler is used to connect the buffer, which will not be described in detail here. The internal rubber bumper is used to mitigate the impact between the two cars.

[0036] This transport vehicle can prevent the severe challenges of variable working conditions, heavy loads, and height restrictions faced by underground transportation when transporting ultra-large and ultra-high equipment to coal mines. Its strong load-bearing capacity can meet the transportation needs of heavy and large non-detachable equipment. Secondly, the vehicle's unique design, with its full-frame hollow chassis 4 combined with a multi-functional equipment fixing device 1, makes loading and securing mechanical equipment simple and efficient. Furthermore, the underground equipment transport vehicle also possesses technical characteristics such as safety, reliability, and high stability, ensuring safety during transportation.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A service vehicle for downhole equipment comprising a full frame open floor chassis (4) characterised in that: The upper surface of the full-frame hollow chassis (4) is fixed with a multi-functional equipment holder (1) on both sides. The upper surface of the full-frame hollow chassis (4) is also equipped with a limiting mechanism (5) for limiting the multi-functional equipment holder (1) on both sides outside the multi-functional equipment holder (1). The lower end of the full-frame hollow chassis (4) is equipped with a pair of wheels (3) for the transportation vehicle to travel. The midpoint of the front and rear ends of the full-frame hollow chassis (4) is equipped with a coupler buffer (2) for connecting the mine car and for assisting in mitigating the impact force.

2. The downhole equipment transport vehicle of claim 1, wherein: The full-frame hollow chassis (4) is made of steel profiles, and the full-frame hollow chassis (4) maintains the minimum ground clearance from the rails.

3. The downhole equipment transport vehicle of claim 1, wherein: The multi-functional equipment holder (1) includes a multi-hole positioning and fixing plate (101). The multi-hole positioning and fixing plate (101) is fixedly installed at the midpoint of both sides of the upper end face of the full-frame hollow chassis (4). A second support side plate (103) is fixedly installed on one side of the outer wall of the multi-hole positioning and fixing plate (101) at the upper end of the full-frame hollow chassis (4), and a first support side plate (102) is fixedly installed on the second support side plate (103). The multi-hole positioning and fixing plate (101) is fixedly connected to the first support side plate (102) and the second support side plate (103). The two multi-functional equipment holders (1) are symmetrically distributed on both sides along the center line of the full-frame hollow chassis (4). The multi-hole positioning and fixing plate (101) has multiple threaded holes.

4. The downhole equipment transport vehicle of claim 1, wherein: The limiting mechanism (5) includes two protrusions, both of which are higher than the full-frame hollow chassis (4) and are positioned in the front and rear positions in the longitudinal direction.

5. The downhole equipment transport vehicle of claim 1, wherein: The traveling wheelset (3) includes two traveling wheels, both of which are equipped with double cylindrical roller bearings and connected by a connecting shaft. An end cap is also bolted to one side of each of the two traveling wheels.

6. The downhole equipment transport vehicle of claim 1, wherein: The coupler buffer (2) is a rigid buffer with a rubber bumper fixedly installed on one side of its inner wall.