CN219467733U - Hanging rail type H-shaped track multifunctional transportation system - Google Patents

Abstract

The utility model discloses a hanging rail type H-shaped track multifunctional transportation system which comprises a transportation vehicle component, a trailer component and an H-shaped track, wherein the transportation vehicle component comprises a connecting plate, a structural screw hole strip, a power circuit assembly box, a storage battery, an electric control component, a bearing support, a motor support, a hooked spring and a hub motor, and the trailer component comprises a bearing wheel hanging bracket, a bearing plate, a bearing wheel, a steering shaft and a steering bearing seat. The trailer assembly clamps the H-shaped track through the bearing wheels, realizes stable and smooth running by matching with the transport vehicle assembly, can be used for straight running and reversing, has high stability, can not derail, and has low requirement on track manufacturing tolerance; the utility model can connect a plurality of trailer components together, and a train of transport vehicle components greatly improves the transport capacity; the utility model is also provided with a track combining mechanism, the track changing can be realized through simple operation, a track network can be arranged on a transportation site, and the flexibility of the trailer assembly and the transportation vehicle assembly is greatly improved.

Description

Hanging rail type H-shaped track multifunctional transportation system

Technical Field

The utility model belongs to the technical field of agricultural transportation equipment, and particularly relates to a hanging rail type H-shaped rail multifunctional transportation system.

Background

In traditional agricultural harvesting and cargo transportation processes, tools such as manpower or auxiliary carts are needed for transportation, such as the external transportation of agricultural products collected in the field, and the mode is high in labor intensity, low in efficiency and poor in timeliness of fresh products on the market. Especially for the agricultural facilities of modern large-scale vegetable and fruit greenhouses, the transportation problem is more important. The ground track transportation system is built in a part of places where the manpower is inconvenient to pass, such as mountainous areas and hilly areas, and the transportation efficiency is greatly improved through the ground track. Although the ground rail transportation system has more advantages, the ground rail transportation system is built on the ground, has large volume and occupies space, and is difficult to install in a region with compact space such as the interior of a greenhouse. In addition, the problem of land utilization rate is also considered, for example, a large planting base, and one hundred mu of land needs 2-5 mu to lay roads for the delivery vehicles to enter, so that space is occupied. Therefore, it is necessary to develop a hanging rail type H-shaped track multifunctional transportation system which can be suitable for a greenhouse, effectively utilizes space and saves land occupation.

Disclosure of Invention

The utility model aims to provide a hanging rail type H-shaped track multifunctional transportation system.

The object of the utility model is achieved by comprising a transport vehicle assembly, a trailer assembly and an H-shaped track,

the transport vehicle assembly comprises a connecting plate, a structure screw hole strip, a power circuit assembly box, a storage battery, an electric control assembly, a bearing support, a motor support, a hooked spring and a wheel hub motor, wherein the bottom surface of the connecting plate is connected with the top of the power circuit assembly box through the structure screw hole strip; the electric control assembly is electrically connected with the storage battery and the hub motor respectively;

the trailer assembly comprises two bearing wheel hanging frames, a bearing plate, bearing wheels, a steering shaft and a steering bearing seat, wherein the two bearing wheel hanging frames are symmetrically arranged on the bearing plate, a row of bearing wheels are respectively arranged on the upper part and the lower part of the inner side of each bearing wheel hanging frame through bearing wheel hollow shafts, two sides of an H-shaped track are respectively clamped between the upper row of bearing wheels and the lower row of bearing wheels in the corresponding bearing wheel hanging frame, the center of the bottom of the bearing plate is connected with the upper end of the steering shaft, the upper end of the steering shaft is positioned between the two bearing wheel hanging frames, and the shaft body of the steering shaft is connected with the steering bearing seat arranged on the connecting plate; two trailer assemblies are correspondingly arranged in front of and behind one transport vehicle assembly respectively.

Preferably, the ship-shaped switch and the three-in-one socket are arranged outside the power circuit assembly box and are respectively and electrically connected with the electric control assembly.

Preferably, the two sides of the power circuit assembly box are respectively provided with a side cover, and the bottom is provided with a foot pad.

Preferably, the electric control assembly is internally provided with a wireless remote control module, and the wireless remote control module is used for wirelessly controlling the forward rotation, the reverse rotation and the start and stop of the hub motor; the electronic control assembly can specifically further comprise other control components well known to those skilled in the art, such as an intermediate relay, a hall drive plate and the like, wherein the intermediate relay is controlled by the direct current motor forward and reverse control remote control receiving circuit, and the intermediate relay in turn controls the direct current brushless motor control circuit to realize the configuration for controlling the operation of the hub motor.

Preferably, the number of load bearing wheels in each row is equal, with two load bearing wheels.

Preferably, the trailer assembly further comprises a trailer connecting shaft, a trailer connecting bearing seat and a trailer connecting piece, the trailer connecting shafts are vertically arranged on two sides of the bearing plate respectively, the trailer connecting shaft body is connected with the trailer connecting bearing seat arranged on the edge of the trailer connecting piece, and the front and rear adjacent trailer assemblies are connected through the trailer connecting piece.

Preferably, the device also comprises a rail combining mechanism, wherein the rail combining mechanism comprises a rail combining mechanism bearing frame, rail joints, a short rail of the rail combining mechanism structure, a straight rail of the rail combining mechanism, a rail combining mechanism hanging bracket and a bent rail of the rail combining mechanism, the end parts of the two H-shaped rails are respectively connected with the short rail of the rail combining mechanism structure through the rail joints, a straight rail of the rail combining mechanism is arranged between the two short rails of the rail combining mechanism structure, a third H-shaped rail is perpendicular to the other two H-shaped rails, the end parts of the three H-shaped rails correspond to the middle points of the straight rails of the rail combining mechanism, the end parts of the three H-shaped rails are connected with a short rail of the rail combining mechanism through the rail joints, a bent rail of the rail combining mechanism is arranged between the straight rail of the rail combining mechanism and the bent rail of the third H-shaped rail combining mechanism in a K-shaped manner, a space is reserved between the straight rail of the rail combining mechanism and the bent rail of the rail combining mechanism, the three H-shaped rails, the straight rail of the rail-doubling mechanism and the bent rail of the rail-doubling mechanism are all in the same plane, a rail-doubling mechanism hanging bracket is arranged above the straight rail of the rail-doubling mechanism and the bent rail of the rail-doubling mechanism, the rail-doubling mechanism hanging bracket is connected with the straight rail of the rail-doubling mechanism and the bent rail of the rail-doubling mechanism through hanging rods, the rail-doubling mechanism bearing frame is positioned above the H-shaped rails and the rail-doubling mechanism hanging bracket and is connected with rail joints through hanging rods, a C-shaped bearing reinforcement of the rail-doubling mechanism is arranged at the bottom of the rail-doubling mechanism bearing frame, the end part of the rail-doubling mechanism hanging bracket is lapped in the C-shaped bearing reinforcement of the rail-doubling mechanism, the middle part of the rail-doubling mechanism hanging bracket is rotationally connected with a rail-doubling mechanism central bearing seat on the rail-doubling mechanism bearing frame through a rail-doubling mechanism central shaft, so that when the rail-doubling mechanism hanging bracket rotates along the rail-doubling mechanism central shaft, the straight rail of the rail-doubling mechanism is rotated together, the rail-doubling mechanism can be corresponded with the corresponding two H-shaped rails, or the bent rail of the parallel rail mechanism corresponds to any one H-shaped rail of the third H-shaped rail and the other two H-shaped rails.

Preferably, a track-doubling mechanism locating pin is arranged between the track-doubling mechanism hanging frame and the track-doubling mechanism bearing frame.

Preferably, a worm and worm wheel set is arranged on the central shaft of the parallel rail mechanism, and an inductive switch matched with the transport vehicle assembly is arranged on the H-shaped rail.

The utility model has the beneficial effects that: the trailer assembly clamps the H-shaped track through the bearing wheels, realizes stable and smooth running by matching with the transport vehicle assembly, can be used for straight running and reversing, has high stability, does not derail, and has low requirement on track manufacturing tolerance; the H-shaped track can be suspended in the greenhouse to realize air transportation, the space of the greenhouse is reasonably utilized, the floor area of the greenhouse is not occupied, the H-shaped track is very suitable for being used in places such as the greenhouse, and the H-shaped track can be overlapped with water supply and drainage grooves for installation, so that the space occupation is further saved; the utility model can connect a plurality of trailer components together, and a train of transport vehicle components greatly improves the transport capacity; the utility model is also provided with a track combining mechanism, the track changing can be realized through simple operation, and a track network can be arranged on a transportation site, so that the flexibility of the trailer assembly and the transportation vehicle assembly is greatly improved.

Drawings

FIG. 1 is a schematic front view of a truck assembly and a trailer assembly;

FIG. 2 is a schematic left-hand view of FIG. 1;

FIG. 3 is a schematic illustration of a trailer assembly further including a trailer hitch axle, a trailer hitch bearing housing, and a trailer hitch;

FIG. 4 is a left side schematic view of FIG. 3;

FIG. 5 is a schematic diagram of a front view of a parallel track mechanism;

FIG. 6 is a schematic top view of the parallel rail mechanism;

FIG. 7 is a schematic view of the track-doubling mechanism of FIG. 6 after the track bending is completed;

in the figure: 101-connecting plates, 102-structural screw bars, 103-power circuit assembly boxes, 104-storage batteries, 105-electric control assemblies, 106-bearing supports, 107-motor supports, 108-hooked springs, 109-hub motors, 110-bearing support bearing seats, 111-bearing support shafts, 112-ship-type switches, 113-three-in-one socket, 114-side covers, 115-foot pads, 201-bearing wheel hangers, 202-bearing plates, 203-bearing wheels, 204-steering shafts, 205-steering bearing seats, 206-bearing wheel hollow shafts, 207-trailer connecting shafts, 208-trailer connecting bearing blocks, 209-trailer connecting pieces, 3-H-shaped rails, 401-parallel rail mechanism bearing frames, 402-rail joints, 403-parallel rail mechanism short rails, 404-parallel rail mechanism straight rails, 405-parallel rail mechanism hanging frames, 406-parallel rail mechanism bent rails, 407-parallel rail mechanism C-type bearing reinforcing pieces, 408-parallel rail mechanism central shafts, 409-parallel rail mechanism central bearing blocks and 410-parallel rail mechanism positioning pins.

Detailed Description

The utility model is further described below with reference to the accompanying drawings, without limiting the utility model in any way, and any alterations or substitutions based on the teachings of the utility model are intended to fall within the scope of the utility model.

Example 1

The hanging rail type H-shaped track multifunctional transportation system of the embodiment comprises a transportation vehicle component, a trailer component and an H-shaped track 3,

as shown in fig. 1-2, the transport vehicle assembly comprises a connecting plate 101, a structural screw hole strip 102, a power circuit assembly box 103, a storage battery 104, an electric control assembly 105, a bearing bracket 106, a motor bracket 107, a hooked spring 108 and a hub motor 109, wherein the storage battery 104 is a GB12V lithium battery, a battery fixing strip is arranged on the outer side of the lithium battery, the hub motor 109 is a 3 inch 36V brushless hub motor, the bottom surface of the connecting plate 101 is connected with the top of the power circuit assembly box 103 through the structural screw hole strip 102, the storage battery 104 and the electric control assembly 105 are both arranged in the power circuit assembly box 103, the bearing bracket 106 is arranged on the connecting plate 101, two pairs of bearing bracket bearing seats 110 are respectively arranged on two sides in the bearing bracket 106, the bearing bracket bearing seats 110 are connected with bearing bracket shafts 111, the bottoms of the two hub motors 109 are respectively connected with a motor bracket 107, the lower ends of the motor bracket 107 are connected with the bearing bracket shafts 111 corresponding to the pair of bearing bracket bearing seats 110, and the two motor brackets 107 are tensioned through the hooked spring 108 which are transversely distributed, so that the motor hub 109 is tightly attached to the side surface of an H3; the electric control assembly 105 is electrically connected with the storage battery 104 and the hub motor 109 respectively; the H-shaped track 3 is a track formed by longitudinally placing flat iron left and right and then welding the flat iron in the middle of the flat iron in a spot welding way;

the trailer assembly comprises two bearing wheel cradles 201, a bearing plate 202, bearing wheels 203, steering shafts 204 and steering bearing seats 205, wherein the two bearing wheel cradles 201 are symmetrically arranged on the bearing plate 202, the bearing wheel cradles 201 can be of a frame structure, the opening sides of the two bearing wheel cradles 201 are opposite, a row of bearing wheels 203 are respectively arranged on the upper and lower sides of the inner side of each bearing wheel cradle 201 through the bearing wheel hollow shafts 206, the wheel center distance of the upper row of bearing wheels 203 is 80mm, the track clearance of the bearing wheels 203 is 2mm, the wheel groove depth of the bearing wheels 203 is 5mm, two sides of an H-shaped track 3 are respectively clamped between the upper row of bearing wheels 203 and the lower row of bearing wheels 203 in the corresponding bearing wheel cradles 201, the H-shaped track 3 is held by the structure formed by the bearing wheel cradles 201 and the bearing wheels 203, so that the H-shaped track 3 is formed in a rail holding mode is operated on the track, the center of the bottom of the bearing plate 202 is connected with the upper end of the steering shaft 204, the upper end of the steering shaft 204 is positioned between the two bearing wheel cradles 201, and the shaft bodies of the steering shaft 204 are connected with the steering bearing seats 205 arranged on the connecting plate 101; two trailer assemblies are correspondingly arranged at the front and the rear of one transport vehicle assembly respectively;

when the multifunctional transportation system of the hanging rail type H-shaped rail is installed on the greenhouse with a certain agricultural steel structure, the welding part between the flat irons of the H-shaped rail 3 is installed on the steel structure of the greenhouse through the hanging frame, so that the H-shaped rail 3 is distributed in the air of the greenhouse along the trend of the greenhouse.

Example 2

The lifting rail type H-shaped track multifunctional transportation system of this embodiment is based on embodiment 1, the power circuit assembly box 103 is externally provided with a ship type switch 112 and a tri-combination integrated socket 113, and the ship type switch 112 and the tri-combination integrated socket 113 are respectively electrically connected with the electric control assembly 105; preferably, the power circuit assembly box 103 is provided with side covers 114 at two sides and a foot pad 115 at the bottom.

Example 3

The hanger rail type H-shaped rail multifunctional transportation system of this embodiment is based on embodiment 2, the electronic control assembly 105 is internally provided with a wireless remote control module, and the wireless remote control module is used for wirelessly remotely controlling the forward and reverse rotation and start and stop of the hub motor 109.

Example 4

The hanger rail type H-shaped track multifunctional transportation system of this embodiment is based on embodiment 3, and the number of the bearing wheels 203 in each row is equal, and two bearing wheels 203 are provided.

Example 5

As shown in fig. 1 to fig. 4, the suspended rail type H-type track multifunctional transportation system of this embodiment is based on embodiment 4, the trailer assembly further includes a trailer connecting shaft 207, a trailer connecting bearing seat 208, and a trailer connecting piece 209, two sides of the bearing plate 202 are vertically provided with the trailer connecting shaft 207 respectively, the shaft body of the trailer connecting shaft 207 is connected with the trailer connecting bearing seat 208 provided on the edge of the trailer connecting piece 209, and the front and rear adjacent trailer assemblies are connected through the trailer connecting piece 209.

Example 6

As shown in fig. 5-7, the multi-functional transportation system of suspended rail type H-shaped rail in this embodiment is based on embodiment 5, and further comprises a rail-doubling mechanism, the rail-doubling mechanism comprises a rail-doubling mechanism bearing frame 401, a rail joint 402, a rail-doubling mechanism short rail 403, a rail-doubling mechanism straight rail 404, a rail-doubling mechanism hanger 405, a rail-doubling mechanism bent rail 406, the ends of two H-shaped rails 3 are respectively connected with the rail-doubling mechanism short rail 403 through the rail joint 402, a rail-doubling mechanism straight rail 404 is arranged between the two rail-doubling mechanism short rails 403, the third H-shaped rail 3 is perpendicular to the other two H-shaped rails 3, the ends of the three H-shaped rails 3 correspond to the midpoint of the rail-doubling mechanism straight rail 404, the ends of the three H-shaped rails 3 are connected with one rail-doubling mechanism short rail 403 through the rail joint 402, a rail-doubling mechanism bent rail 406 is arranged between the rail-doubling mechanism straight rail 404 and the third H-shaped rail 3, the straight rail 404 of the doubling mechanism and the bent rail 406 of the doubling mechanism are arranged in a K-shaped mode, a space is reserved between the straight rail 404 of the doubling mechanism and the bent rail 406 of the doubling mechanism, three H-shaped rails 3, the straight rail 404 of the doubling mechanism and the bent rail 406 of the doubling mechanism are all positioned on the same plane, a doubling mechanism hanging bracket 405 is arranged above the straight rail 404 of the doubling mechanism and the bent rail 406 of the doubling mechanism, the doubling mechanism hanging bracket 405 is connected with the straight rail 404 of the doubling mechanism and the bent rail 406 of the doubling mechanism through a hanging rod, the doubling mechanism bearing frame 401 is positioned above the H-shaped rails 3 and the doubling mechanism hanging bracket 405, the doubling mechanism bearing frame 401 is connected with the rail joint 402 through the hanging rod, a doubling mechanism C-shaped bearing reinforcement 407 is arranged at the bottom of the doubling mechanism bearing frame 401, the end part of the doubling mechanism hanging bracket 405 is lapped in the doubling mechanism C-shaped bearing reinforcement 407, the middle part of the doubling mechanism hanging frame 405 is rotationally connected with a doubling mechanism central bearing seat 409 on the doubling mechanism bearing frame 401 through a doubling mechanism central shaft 408, so that when the doubling mechanism hanging frame 405 rotates along the doubling mechanism central shaft 408, the doubling mechanism straight rail 404 and the doubling mechanism bent rail 406 rotate together, and the doubling mechanism straight rail 404 can correspond to two corresponding H-shaped rails 3, or the doubling mechanism bent rail 406 can correspond to any one H-shaped rail 3 of the three H-shaped rails 3 and the rest two H-shaped rails 3.

Example 7

The lifting rail type H-shaped track multifunctional transportation system of this embodiment is based on embodiment 6, and a positioning pin 410 of the lifting rail mechanism is disposed between the lifting rail 405 and the bearing frame 401 of the lifting rail mechanism, and the positioning pin 410 of the lifting rail mechanism is used for positioning the rotation position of the lifting rail 405 of the lifting rail mechanism.

Example 8

The lifting rail type H-shaped track multifunctional transportation system of the embodiment is based on embodiment 7, a central shaft 408 of the doubling mechanism is provided with a worm gear set, and the worm gear set is used for motor transmission to realize the rotation of the central shaft 408 of the doubling mechanism, and further realize the automatic rotation of a lifting frame 405 of the doubling mechanism, namely automatic rail changing; the H-shaped track 3 is provided with an induction switch matched with the transport vehicle assembly, and when the corresponding induction switch of the transport vehicle assembly travelling lane is positioned, the central control system controls the transport vehicle assembly to execute working conditions such as station stopping, automatic returning and the like, so that unmanned supervision is realized.

The working principle and the working process of the utility model are as follows: the upper and lower rows of bearing wheels 203 in the two bearing wheel hangers 201 of each trailer assembly are clamped on the side surfaces of the corresponding H-shaped track 3, so that the front bearing wheels 203 and the rear bearing wheels 203 are mutually guided when the bearing wheels 203 contact the H-shaped track 3, and the stable and smooth running of the bearing wheels 203 on the track is ensured; the upper and lower rows of bearing wheels 203 clamp the H-shaped track 3, thereby overcoming the obstruction caused by the manufacturing tolerance of the track, ensuring the driving stability and avoiding derailment; the hooked spring 108 is used for tensioning the hub motor 109 inwards, and a certain coefficient of friction force is formed between the hub motor 109 and the H-shaped track 3 due to the acting force of the hooked spring 108, so that necessary power is provided for the transport vehicle assembly; the trailer assembly and the transport vehicle assembly form a whole, when the hub motor 109 of the transport vehicle assembly works, the bearing wheels 203 stably travel on the H-shaped track 3, the steering shaft 204 is used for steering, and the torque force of the hub motor 109 can overcome the acting force of centrifugal force on the bearing wheels 203 to a certain extent during steering, so that stable steering is ensured; when the transport vehicle assembly is over-bent, the position deviation of the bent rail and the bearing support 106 of the transport vehicle assembly can be generated, and the designed motor support 107 and the hub motor 109 are tensioned and inwards deflected by the hooked spring 108 to a limited angle, so that the hub of the hub motor 109 in the bent rail can not generate an acting force for continuously inwards tightly attaching the rail, and the hub of the hub motor 109 on the outer side is increased, therefore, the acting force of the hooked spring 108 can take the contact point of the hub motor 109 on the outer side and the H-shaped rail 3 as a fulcrum to form a lever force for pushing the bearing support 106 and the bearing support shaft 111 to outwards move, and the inertial acting force can automatically move the bearing support 106 to the optimal position when the carrier is over-bent, so that the hub of the hub motor 109 can automatically return after entering the straight rail, and the bearing motor is large in requirements on the dimensional tolerance and flexible in steering;

the trailer assembly also comprises a trailer connecting shaft 207, a trailer connecting bearing seat 208 and a trailer connecting piece 209, and the front and rear adjacent trailer assemblies are connected together through the trailer connecting piece 209, so that a plurality of trailer assemblies and a plurality of transport vehicle assemblies are connected together, and a train of transport vehicle assemblies can be transported simultaneously;

when the parallel rail mechanism is specifically used, the straight rail 404 and the bent rail 406 of the parallel rail mechanism rotate together by rotating the hanger 405 of the parallel rail mechanism; for two H-shaped rails 3 corresponding to each other from head to tail, the straight rail 404 of the parallel rail mechanism is rotated to correspond to the two H-shaped rails 3, namely, the straight rail 404 of the parallel rail mechanism plays a role of communicating the two H-shaped rails 3, so that the transport vehicle assembly and the trailer assembly continuously move on the other H-shaped rail 3 from one H-shaped rail 3 through the straight rail 404 of the parallel rail mechanism; the parallel rail mechanism C-shaped bearing reinforcing member 407 is used for reinforcing the bearing capacity of the parallel rail mechanism hanging frame 405 and the parallel rail mechanism straight rail 404, so as to ensure stable running;

when the track change is required to reach the third H-shaped track 3 perpendicular to the two H-shaped tracks 3, continuing to rotate the track mechanism hanging frame 405, leaving the straight track 404 of the track combining mechanism, enabling the bent track 406 of the track combining mechanism to be integrated between the third H-shaped track 3 and one of the other two H-shaped tracks 3, and enabling the end part of the rotated track combining mechanism hanging frame 405 to be lapped in the corresponding C-shaped bearing reinforcing member 407 of the track combining mechanism, so that the bent track 406 of the track combining mechanism is communicated with the third H-shaped track 3 and one of the H-shaped tracks, namely the track change is completed; the trailer assembly and the truck assembly, after passing through the track bend 406 of the track-doubling mechanism, achieve access to the third H-track 3.

Claims (9)

1. The utility model provides a hang multi-functional conveying system of rail type H track, includes transport vechicle subassembly, trailer subassembly and H type track (3), its characterized in that:

the transport vehicle component comprises a connecting plate (101), a structure screw hole strip (102), a power circuit assembly box (103), a storage battery (104), an electric control component (105), a bearing support (106), a motor support (107), a hooked spring (108) and a hub motor (109), wherein the bottom surface of the connecting plate (101) is connected with the top of the power circuit assembly box (103) through the structure screw hole strip (102), the storage battery (104) and the electric control component (105) are all arranged in the power circuit assembly box (103), the bearing support (106) is arranged on the connecting plate (101), two pairs of bearing support bearing seats (110) are respectively arranged on two sides in the bearing support (106), the bearing support bearing seats (110) are connected with bearing support shafts (111), the bottoms of the two hub motors (109) are respectively connected with one motor support (107), the lower ends of the motor supports (107) are connected with the bearing support shafts (111) corresponding to the pair of bearing support bearing seats (110), and the bearing support shafts (107) are tensioned through the transverse hooked springs (108), so that the hub motor (109) are tightly attached to the H-shaped side surfaces (3); the electric control assembly (105) is electrically connected with the storage battery (104) and the hub motor (109) respectively;

the trailer assembly comprises bearing wheel hangers (201), a bearing plate (202), bearing wheels (203), steering shafts (204) and steering bearing seats (205), wherein the two bearing wheel hangers (201) are symmetrically arranged on the bearing plate (202), a row of bearing wheels (203) are respectively arranged on the upper side and the lower side of the inner side of each bearing wheel hanger (201) through bearing wheel hollow shafts (206), two sides of an H-shaped track (3) are respectively clamped between the upper row of bearing wheels (203) and the lower row of bearing wheels (203) in the corresponding bearing wheel hanger (201), the center of the bottom of the bearing plate (202) is connected with the upper end of each steering shaft (204), the upper ends of the steering shafts (204) are positioned between the two bearing wheel hangers (201), and the shaft bodies of the steering shafts (204) are connected with the steering bearing seats (205) arranged on the connecting plate (101); two trailer assemblies are correspondingly arranged in front of and behind one transport vehicle assembly respectively.

2. The lifting rail type H-shaped track multifunctional transportation system according to claim 1, wherein a ship-shaped switch (112) and a tri-combined one-body socket (113) are arranged outside the power circuit assembly box (103), and the ship-shaped switch (112) and the tri-combined one-body socket (113) are respectively electrically connected with the electric control assembly (105).

3. The hanging rail type H-shaped track multifunctional transportation system according to claim 1, wherein two sides of the power circuit assembly box (103) are respectively provided with a side cover (114), and the bottom is provided with a foot pad (115).

4. The hanging rail type H-shaped track multifunctional transportation system according to claim 1, wherein a wireless remote control module is arranged in the electric control assembly (105) and is used for wirelessly controlling the forward and reverse rotation and start and stop of the hub motor (109).

5. The lifting rail type H-rail multi-purpose transportation system according to claim 1, wherein the number of bearing wheels (203) in each row is equal, and there are two bearing wheels (203).

6. The hanging rail type H-shaped track multifunctional transportation system according to claim 1, wherein the trailer assembly further comprises a trailer connecting shaft (207), a trailer connecting bearing seat (208) and a trailer connecting piece (209), the trailer connecting shafts (207) are vertically arranged on two sides of the bearing plate (202), the shaft body of the trailer connecting shaft (207) is connected with the trailer connecting bearing seat (208) arranged on the edge of the trailer connecting piece (209), and the front and rear adjacent trailer assemblies are connected through the trailer connecting piece (209).

7. The lifting rail type H-shaped track multifunctional transportation system according to any one of claims 1-6, further comprising a rail-doubling mechanism, wherein the rail-doubling mechanism comprises a rail-doubling mechanism bearing frame (401), a rail joint (402), a rail-doubling mechanism short rail (403), a rail-doubling mechanism straight rail (404), a rail-doubling mechanism hanging bracket (405) and a rail-doubling mechanism bent rail (406), the end parts of two H-shaped tracks (3) are respectively connected with the rail-doubling mechanism short rail (403) through the rail joint (402), a rail-doubling mechanism straight rail (404) is arranged between the two rail-doubling mechanism short rails (403), the end parts of three H-shaped tracks (3) are corresponding to the middle points of the rail-doubling mechanism straight rail (404), the end parts of the three H-shaped tracks (3) are connected with one rail-doubling mechanism short rail (403) through the rail joint (402), a rail-doubling mechanism bent rail (406) is arranged between the rail-doubling mechanism straight rail (404) and the three H-shaped tracks (3), the rail-doubling mechanism straight rail (406) and the rail-doubling mechanism straight rail (404) are arranged in a plane, the straight rail (404) of the doubling mechanism is connected with a doubling mechanism hanger (405) above a doubling mechanism bent rail (406), the doubling mechanism hanger (405) is connected with the doubling mechanism straight rail (404) and the doubling mechanism bent rail (406) through a hanger rod, the doubling mechanism bearing frame (401) is positioned above an H-shaped rail (3) and the doubling mechanism hanger (405), the doubling mechanism bearing frame (401) is connected with a rail joint (402) through the hanger rod, a doubling mechanism C-shaped bearing reinforcement (407) is arranged at the bottom of the doubling mechanism bearing frame (401), the end part of the doubling mechanism hanger (405) is lapped in the doubling mechanism C-shaped bearing reinforcement (407), the middle part of the doubling mechanism hanger (405) is rotationally connected with a doubling mechanism central bearing seat (409) on the doubling mechanism bearing frame (401) through a doubling mechanism central shaft (408), when the doubling mechanism hanger (405) rotates along the doubling mechanism central shaft (408), the doubling mechanism straight rail (404) and the doubling mechanism bent rail (406) rotate together, and the doubling mechanism straight rail (405) can correspond to two H-shaped rails (3) or two corresponding to the corresponding H-shaped rails (3) and the corresponding H-shaped rails (408).

8. The suspended rail type H-rail multi-purpose transportation system according to claim 7, wherein a rail-doubling mechanism positioning pin (410) is provided between the rail-doubling mechanism hanger (405) and the rail-doubling mechanism bearing frame (401).

9. The suspended-rail type H-shaped track multifunctional transportation system according to claim 7, wherein a worm gear set is arranged on a central shaft (408) of the parallel rail mechanism, and an induction switch matched with a transportation vehicle component is arranged on the H-shaped track (3).