Towed highway electric haulage train with multi-section multi-layer carriages

Abstract

The application discloses a heavy truck technical field and relates to a multi-section multi-layer carriage type highway electric carrying train, which comprises a vehicle head, a plurality of installation rods with the same structure, a plurality of carriages with the same structure, hub wheels arranged on the carriages, hydraulic telescopic rods arranged at the bottom of the carriages, supporting legs arranged at the bottom of the piston rods of the hydraulic telescopic rods, connecting female parts arranged at the left ends of the carriages, connecting male parts arranged at the right ends of the carriages and the installation rods, and a connection between the installation rods. The heavy truck has at least two carriages, the multi-section carriages can be folded and stored on the first carriage under the condition of no loading, the area occupied by the heavy truck is reduced, and the heavy truck is convenient to park; when the heavy truck is loaded, the multi-section carriages are sequentially connected through the connecting female parts and the connecting male parts, the transportation capacity of the heavy truck is improved, and the problem that the heavy truck cannot meet the increasing demand for large piece transportation is solved.

Description

Technical Field

[0001] This invention relates to the field of heavy-duty truck technology, specifically to a trailer-type electric road transport train with multiple multi-section carriages. Background Technology

[0002] Existing heavy-duty trucks can only tow one trailer, resulting in low cargo capacity and weak transportation capacity, which cannot meet the growing demand for large-item transportation. To address this, we propose a trailer-type electric road transport train with multiple multi-carriage sections. Summary of the Invention

[0003] The purpose of this invention is to provide a trailer-type electric road transport train with multiple multi-carriage sections to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a trailer-type electric road transport train with multiple multi-carriage sections, including a locomotive and multiple mounting rods with identical structures;

[0005] Multiple carriages with identical structures;

[0006] A battery pack is installed at the rear of the front of the vehicle.

[0007] All the carriages are equipped with wheel hubs;

[0008] Hydraulic telescopic rods are installed around the bottom of the carriage, and the piston rods of the hydraulic telescopic rods are equipped with support legs at the bottom.

[0009] The left end of each carriage is provided with a connecting female part, and the right end of both the carriage and the mounting rod is provided with a connecting male part that matches the connecting female part.

[0010] The mounting rods are interconnected, and the bottom mounting rod is located on the front of the vehicle.

[0011] The rear axle of the carriage is equipped with a motor, which is used to drive the wheel hub to rotate.

[0012] The carriage is equipped with a controller, and both the controller and the motor are electrically connected to the battery pack;

[0013] Two sets of identical limiting frames can be detachably connected to both ends of the surface of each set of carriages, and the two sets of limiting frames are symmetrically arranged. Two sets of identical limiting plates can be detachably connected to the middle of the surface of each set of carriages, and the two sets of limiting plates are vertically arranged at the top of the carriages. The limiting frames and limiting plates are attached to the outer wall of the container placed on the carriage.

[0014] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections according to the present invention, at least one of the wheel hubs is provided with a hub motor, and the hub motor is electrically connected to the controller.

[0015] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections according to the present invention, the top of each carriage is provided with grooves around its perimeter, and shock-absorbing components are installed in each groove.

[0016] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections according to the present invention, the shock absorption assembly includes a connecting cover located in a groove, vertical rods extending through the top four sides of the connecting cover, the tops of the vertical rods being connected to a mounting plate, a shock-absorbing spring connected to the connecting cover being provided on the mounting plate, a shock-absorbing pad being provided on the top of the mounting plate, and a lifting device being provided at the bottom of the connecting cover.

[0017] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-section carriages described in this invention, wherein: a positioning block is provided on the top of the mounting plate, and the positioning block is higher than the shock-absorbing pad; a positioning magnet is uniformly embedded on the top of the positioning block; a positioning groove matching the positioning block is opened at the bottom of the support leg, and the area of ​​the support leg is larger than the area of ​​the groove.

[0018] As a preferred embodiment of the multi-section, multi-layer trailer-type electric road transport train of the present invention, the lifting device includes a reduction motor and a bearing seat disposed in a groove. The reduction motor is electrically connected to a controller. A connecting shaft is rotatably connected to the bearing seat. Both ends of the connecting shaft are provided with screws, and the threads on the two screws are turned in opposite directions. The left screw is connected to the output shaft of the reduction motor. Movable rods are screwed onto both screws. The tops of the two movable rods are hinged to inclined rods. The tops of the two inclined rods are hinged to a connecting cover. The two movable rods are slidably connected in the groove.

[0019] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections as described in this invention, a guide device is provided around the bottom of the connecting cover.

[0020] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections according to the present invention, the guiding device includes a fixed rod, an inner cylinder and an outer cylinder. The top of the fixed rod is connected to a connecting cover, the bottom of the outer cylinder is connected to a groove, the bottom of the inner cylinder is slidably connected to the outer cylinder, and the top of the inner cylinder penetrates the outer cylinder. The bottom of the fixed rod is slidably connected to the inner cylinder, and the top of the fixed rod penetrates the inner cylinder.

[0021] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-carriage sections according to the present invention, the limiting frame includes a crossbar, both ends of which are connected to folded baffles, the bottom of the left and right sides of the crossbar are connected to support rods, the bottom of the support rods is connected to a shock-absorbing block, the bottom of the shock-absorbing block is connected to a conical plate, and the conical plate is detachably connected to the top of the carriage by bolts.

[0022] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-section carriages described in this invention, wherein: the folded baffle is formed by welding two rhomboid plates at right angles to each other, and the folded inner wall of the folded baffle is in contact with the outer wall of the cargo container.

[0023] As a preferred embodiment of the trailer-type electric road transport train with multiple multi-section carriages described in this invention, the following features are provided: two sets of support rods are vertically inclined and form an angle of ° with the vertical center line; a damper is connected to the bottom of the shock absorber block; a vertical groove is provided at the top of the conical plate; the damper is installed in the vertical groove; the bottom end of the shock absorber block extends into the vertical groove; a limit ring is provided on the outer wall of the end; and a limit groove matching the limit ring is provided on the inner wall of the vertical groove.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] 1. The heavy-duty truck of this invention has at least two cargo compartments. When not carrying cargo, the multiple cargo compartments can be folded up on the first cargo compartment for storage, reducing the floor space and facilitating parking. When carrying cargo, the multiple cargo compartments are connected sequentially by connecting female and male components. At the same time, limit frames and limit plates are installed at corresponding positions in the cargo compartments to ensure that the cargo containers have a good protective structure during transportation, preventing slippage and thus improving transportation capacity and meeting the growing demand for large-item transportation. The motor is installed on the rear axle of the cargo compartment, i.e., bridge motor drive, or installed on the wheel hub, i.e., hub motor drive, so that each cargo compartment can be controlled independently. If 1-2 cargo compartments lose control or power, the other cargo compartments can supplement power or coordinate control to maintain the overall controllability of the vehicle and prevent overall loss of control.

[0026] 2. The shock-absorbing component in this invention can dampen the impact of the carriage being placed from top to bottom when it is folded and stored, thus avoiding excessive impact between the upper and lower carriages and improving the stability of the carriage when it is folded and stored. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the trailer-type electric road transport train with multiple multi-section carriages of the present invention in use.

[0028] Figure 2This is a schematic diagram of the overall structure of the trailer-type electric road transport train with multiple multi-carriage sections of the present invention when folded and stored.

[0029] Figure 3 This is a schematic diagram of the overall structure of the trailer-type electric road transport train with multiple multi-carriage sections of the present invention when unfolded.

[0030] Figure 4 This is a schematic diagram of the shock absorption component structure of the trailer-type electric road transport train with multiple multi-carriage sections of the present invention.

[0031] Figure 5 This is a schematic diagram of the guiding device structure of the trailer-type electric road transport train with multiple multi-carriage sections of the present invention.

[0032] Figure 6 This is a schematic diagram of the limiting frame structure of the trailer-type electric road transport train with multiple multi-section carriages of the present invention.

[0033] Figure 7 This is a schematic diagram of the six-carriage structure of the trailer-type electric road transport train of the present invention, which has multiple multi-carriage sections.

[0034] In the diagram: 1. Front of the vehicle; 101. Battery pack; 2. Carriage; 3. Connecting male component; 4. Connecting female component; 5. Hydraulic telescopic rod; 6. Outrigger; 7. Motor; 8. Mounting rod; 9. Controller; 10. Groove; 11. Connecting cover; 12. Vertical rod; 13. Shock-absorbing spring; 14. Mounting plate; 15. Shock-absorbing pad; 16. Positioning block; 17. Positioning magnet; 18. Gear motor; 19. Bearing seat; 20. Connecting shaft; 21. Screw; 22. Movable rod; 23. Diagonal rod; 24. Fixed rod; 25. Inner cylinder; 26. Outer cylinder; 27. Limiting frame; 271. Crossbar; 272. Folded baffle; 273. Support rod; 274. Shock-absorbing block; 275. Conical plate; 28. Limiting plate. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] As mentioned in the background section, existing heavy-duty trucks can only tow one trailer, resulting in low cargo capacity and weak transportation capabilities, thus failing to meet the growing demand for transporting large items. This invention proposes a trailer-type electric road transport train with multiple multi-carriage sections.

[0037] Example 1

[0038] Reference Figures 1 to 6 A trailer-type electric road transport train with multiple multi-carriage sections includes a locomotive 1 and multiple mounting poles 8 with the same structure.

[0039] 2. Multiple carriages with identical structures;

[0040] A battery pack 101 is installed at the rear of the front of the vehicle 1;

[0041] All carriages 2 are equipped with wheel hubs;

[0042] Hydraulic telescopic rods 5 are installed around the bottom of the carriage 2, and the piston rod of the hydraulic telescopic rod 5 is equipped with a support leg 6. The hydraulic telescopic rod 5 drives the support leg 6 to move downward, which can support the carriage 2 when it is not in operation.

[0043] The left end of each carriage 2 is provided with a connecting female part 4, and the right end of both carriage 2 and mounting rod 8 is provided with a connecting male part 3 that matches the connecting female part 4. By connecting the connecting female part 4 to the connecting male part 3, the carriages 2 can be connected to each other or the carriages 2 can be connected to the mounting rod 8.

[0044] The mounting rods 8 are detachably connected to each other, and the bottom mounting rod 8 is set on the front of the vehicle 1;

[0045] A motor 7 is installed on the rear axle of the carriage 2, and the motor 7 is used to drive the wheel hub rotation, that is, a bridge motor drive is adopted. A controller 9 is installed on the carriage 2. The controller 9 is a high-power controller for heavy trucks. The controller 9 and the motor 7 are electrically connected to the battery pack 101, so that each carriage 2 can be controlled independently. If 1-2 carriages 2 lose control or power, the other carriages 2 can supplement power or coordinate control to maintain the overall controllability of the vehicle and prevent overall loss of control. Of course, a hub motor is installed on at least one wheel hub, and the hub motor is electrically connected to the controller 9, that is, a hub motor drive is adopted, and it can be controlled independently.

[0046] The top of the carriage 2 has grooves 10 around all four sides, and shock-absorbing components are installed in each groove 10.

[0047] The shock absorption assembly includes a connecting cover 11 located in the groove 10. Vertical rods 12 extend through the top four sides of the connecting cover 11. The top of each vertical rod 12 is connected to a mounting plate 14, allowing the mounting plate 14 to move the vertical rods 12 up and down on the connecting cover 11. A shock-absorbing spring 13 connected to the connecting cover 11 is provided on the mounting plate 14, so that the shock-absorbing spring 13 is compressed when the mounting plate 14 moves up and down. A shock-absorbing pad 15 is provided on the top of the mounting plate 14, and a lifting device is provided at the bottom of the connecting cover 11. The lifting device is used to drive the connecting cover 11 to move up and down.

[0048] The top of the mounting plate 14 is provided with a positioning block 16, and the positioning block 16 is higher than the shock-absorbing pad 15, so that the support leg 6 can contact the positioning block 16 first. The top of the positioning block 16 is evenly embedded with positioning magnets 17. The bottom of the support leg 6 is provided with a positioning groove that matches the positioning block 16, and the area of ​​the support leg 6 is larger than the area of ​​the groove 10, so that the support leg 6 can be ultimately supported by the carriage 2 and does not enter the groove 10.

[0049] The lifting device includes a geared motor 18 and a bearing seat 19 disposed in the groove 10. The geared motor 18 is electrically connected to the controller 9 for control. A connecting shaft 20 is rotatably connected to the bearing seat 19. Both ends of the connecting shaft 20 are provided with screws 21, and the threads on the two screws 21 are turned in opposite directions. The left screw 21 is connected to the output shaft of the geared motor 18. Movable rods 22 are screwed onto both screws 21, so that the two movable rods 22 move in opposite directions when they move. The top of the two movable rods 22 is hinged to the inclined rods 23, and the top of the two inclined rods 23 is hinged to the connecting cover 11. The two movable rods 22 are slidably connected in the groove 10. When the two movable rods 22 move to the opposite side, the inclined rods 23 can push the connecting cover 11 upward. When the two movable rods 22 move to the side away from each other, the inclined rods 23 can pull the connecting cover 11 downward. The inclined rods 23 drive the connecting cover 11 to rise and fall, which can save space and make the lifting range of the connecting cover 11 larger.

[0050] Example 2

[0051] Reference Figures 3 to 5Guide devices are provided around the bottom of the connecting cover 11 to guide its lifting and lowering. The guide devices include a fixing rod 24, an inner cylinder 25, and an outer cylinder 26. The top of the fixing rod 24 is connected to the connecting cover 11, the bottom of the outer cylinder 26 is connected to the groove 10, the bottom of the inner cylinder 25 is slidably connected to the outer cylinder 26, and the top of the inner cylinder 25 penetrates the outer cylinder 26. The bottom of the fixing rod 24 is slidably connected to the inner cylinder 25, and the top of the fixing rod 24 penetrates the inner cylinder 25. When the connecting cover 11 moves upward, the fixing rod 24 moves upward within the inner cylinder 25. When the fixing rod 24 cannot move, the inner cylinder 25 moves within the outer cylinder 26 to ensure the upward movement of the connecting cover 11. When the storage compartment 2 needs to be folded, the connecting female part 4 is first connected to the connecting male part 3 on the mounting rod 8, and... The hydraulic telescopic rod 5 drives the outrigger 6 to move downwards, and then the crane lowers the carriage 2. During the lowering, the lifting device drives the mounting plate 14 to move upwards away from the groove 10 until the positioning block 16 is inserted into the positioning groove of the outrigger 6. At this time, the shock-absorbing pad 15 is compressed to absorb shock, and the shock-absorbing spring 13 can further play a shock-absorbing role. After positioning, the lifting device drives the mounting plate 14 to return to its original position, so that the outrigger 6 can be slowly placed on the lower carriage 2, thereby avoiding excessive impact between the upper carriage 2 and the lower carriage 2. After placement, the mounting rod 8 can be assembled together. The bottom of the carriage 2 is supported on the lower carriage 2 by the outrigger 6. The left end is fixed by the connecting female part 4 and the connecting male part 3, and the positioning magnet 17 attracts and fixes the outrigger 6, thereby improving the stability of the carriage 2 when folded and stored.

[0052] Example 2

[0053] Reference Figure 1 and Figure 6Each set of carriages 2 has two sets of identical limiting frames 27 detachably connected to both ends of its surface, and the two sets of limiting frames 27 are symmetrically arranged. Each set of carriages 2 also has two sets of identical limiting plates 28 detachably connected to the middle of its surface, and the two sets of limiting plates 28 are vertically arranged front and rear on the top of the carriage 2. The limiting frames 27 and limiting plates 28 are attached to the outer wall of the container placed on the carriage 2. When the carriage 2 loads and transports the container, the detachable limiting frames 27 and limiting plates 28, installed in the designated positions, can effectively protect the container. The limiting frame 27 includes a crossbar 271, with folded baffles 272 connected to both ends of the crossbar 271. The folded baffles 272 are formed by welding two rhomboid plates at right angles to each other, and the folded inner walls of the folded baffles 272 are flush with the container. The outer wall is fitted, and the bottom of the left and right sides of the crossbar 271 is connected to the support rod 273. The bottom of the support rod 273 is connected to the shock absorber 274, and the bottom of the shock absorber 274 is connected to the damper. The top of the conical plate 275 is provided with a vertical groove, and the damper is installed in the vertical groove. The bottom end of the shock absorber 274 extends into the vertical groove, and a limit ring is provided on the outer wall of the end. The inner wall of the vertical groove is provided with a limit groove that matches the limit ring. During transportation, the vibration of the container caused by the bumps of the carriage 2 is reduced, ensuring stability. The bottom of the shock absorber 274 is connected to the conical plate 275, and the conical plate 275 is detachably connected to the top of the carriage 2 by bolts. The two sets of support rods 273 are vertically inclined and form a 15° angle with the vertical center line, which provides good support.

[0054] Example 3

[0055] Reference Figure 1 , 2 and Figure 7 Based on the above embodiment, six identical carriages 2 are connected in series to the rear side of the front 1.

[0056] The rest of the structure is the same as in Example 1.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A trailer-type electric road transport train with multiple multi-carriage sections, characterized in that: include, The front of the vehicle (1) and multiple mounting rods (8) with the same structure; Multiple carriages with the same structure (2); Each of the carriages (2) is equipped with wheel hubs; Hydraulic telescopic rods (5) are provided around the bottom of the carriage (2), and the piston rod of the hydraulic telescopic rods (5) is provided with support legs (6). The left end of the carriage (2) is provided with a connecting female part (4), and the right end of the carriage (2) and the mounting rod (8) is provided with a connecting male part (3) that matches the connecting female part (4). The mounting rods (8) are interconnected, and the bottom mounting rod (8) is set on the front of the vehicle (1); when loading cargo, multiple car sections are connected in sequence by connecting female parts and connecting male parts; when the car section needs to be folded and stored, the connecting female parts are connected to the connecting male parts on the mounting rods; A motor (7) is installed on the rear axle of the carriage (2), and the motor (7) is used to drive the wheel hub to rotate; The carriage (2) is equipped with a controller (9), which is electrically connected to the motor (7). Two sets of identical limiting frames (27) can be detachably connected to both ends of the surface of each set of carriages (2), and the two sets of limiting frames (27) are symmetrically arranged. Two sets of identical limiting plates (28) can be detachably connected to the middle of the surface of each set of carriages (2), and the two sets of limiting plates (28) are vertically arranged at the top of the carriages (2) in the front and rear directions. The limiting frames (27) and the limiting plates (28) are attached to the outer wall of the container placed on the carriage (2). The top of the carriage (2) is provided with grooves (10) around all four sides, and shock-absorbing components are provided in the grooves (10); The shock-absorbing assembly includes a connecting cover (11) located in the groove (10). Vertical rods (12) are vertically inserted around the top of the connecting cover (11). The top of each vertical rod (12) is connected to a mounting plate (14). A shock-absorbing spring (13) connected to the connecting cover (11) is provided on the mounting plate (14). A shock-absorbing pad (15) is provided on the top of the mounting plate (14). A lifting device is provided at the bottom of the connecting cover (11). The mounting plate (14) is provided with a positioning block (16) on the top, and the positioning block (16) is higher than the shock-absorbing pad (15). The top of the positioning block (16) is uniformly embedded with positioning magnets (17). The bottom of the support leg (6) is provided with a positioning groove that matches the positioning block (16), and the area of ​​the support leg (6) is larger than the area of ​​the groove (10).

2. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 1, characterized in that: At least one of the wheel hubs is equipped with a hub motor, and the hub motor is electrically connected to the controller (9).

3. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 1, characterized in that: The lifting device includes a geared motor (18) and a bearing seat (19) set in the groove (10). The geared motor (18) is electrically connected to the controller (9). A connecting shaft (20) is rotatably connected to the bearing seat (19). Both ends of the connecting shaft (20) are provided with screws (21), and the threads on the two screws (21) are opposite. The left screw (21) is connected to the output shaft of the geared motor (18). Movable rods (22) are screwed onto both screws (21). The tops of the two movable rods (22) are hinged with inclined rods (23). The tops of the two inclined rods (23) are hinged to the connecting cover (11). The two movable rods (22) are slidably connected in the groove (10).

4. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 1, characterized in that: Guide devices are provided around the bottom of the connecting cover (11).

5. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 4, characterized in that: The guiding device includes a fixed rod (24), an inner cylinder (25), and an outer cylinder (26). The top of the fixed rod (24) is connected to the connecting cover (11), the bottom of the outer cylinder (26) is connected to the groove (10), the bottom of the inner cylinder (25) is slidably connected to the outer cylinder (26), and the top of the inner cylinder (25) penetrates the outer cylinder (26). The bottom of the fixed rod (24) is slidably connected to the inner cylinder (25), and the top of the fixed rod (24) penetrates the inner cylinder (25).

6. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 1, characterized in that: The limiting frame (27) includes a crossbar (271), both ends of which are connected to a folded baffle (272). Support rods (273) are connected to the bottom of the left and right sides of the crossbar (271). A shock absorber (274) is connected to the bottom of the support rod (273). A conical plate (275) is connected to the bottom of the shock absorber (274). The conical plate (275) is detachably connected to the top of the carriage (2) by bolts.

7. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 6, characterized in that: The folded baffle (272) is made of two rhomboid plates welded at right angles to each other, and the folded inner wall of the folded baffle (272) is in contact with the outer wall of the container.

8. The trailer-type electric road transport train with multiple multi-carriage sections as described in claim 6, characterized in that: Two sets of support rods (273) are vertically inclined and form a 15° angle with the vertical center line. The bottom of the damping block (274) is connected to a damper, and the top of the conical plate (275) is provided with a vertical groove. The damper is installed in the vertical groove. The bottom end of the damping block (274) extends into the vertical groove and a limit ring is provided on the outer wall of the end. A limit groove matching the limit ring is provided on the inner wall of the vertical groove.

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