CN217294159U - Trackless hybrid electric traction single-trailer vehicle - Google Patents

Abstract

The utility model relates to a single trailer of mixed electric power traction of trolley-bus. The linkage device solves the problems that in the prior art, the linkage of the trailer connecting device is poor when the trailer turns, and the stability is influenced. It is including drawing the locomotive, it is connected with preceding trailer to draw the locomotive, the one end that the locomotive was kept away from to preceding trailer is connected with the back trailer, be equipped with an at least container on the preceding trailer, and be equipped with two at least containers on the back trailer, be equipped with rotary type self-adaptation between preceding trailer and the back trailer and draw coupling mechanism, and fix through a plurality of removable location connecting device between container on the trailer and the back trailer both sides, it is equipped with electronic traction seat to draw the locomotive upper end, and electronic traction seat seals through slidingtype protection component. The utility model has the advantages that: the self-adaptive rotation positioning of the rear trailer is realized, the stability is good, and the turning safety is improved.

Description

Trackless hybrid electric traction single-trailer vehicle

Technical Field

The utility model relates to a tractor technical field, concretely relates to single trailer is pull to trackless mixed electric power.

Background

The electric tractor is driven by a motor and used for transporting large quantities of goods, transporting assembly line materials and transporting materials between large-scale factories, the materials are often stored in a trailer, and the efficient transportation of the materials between different areas is solved by the tractor; in addition, the linkage of current trailer connecting device when the trailer turns is not good, is difficult to realize spacing dead lock linkage and turns, and the container produces easily when just turning and removes, and stability is not good.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses an electric tractor [ CN202121382878.8] for towing a semitrailer, which comprises a vehicle body, the vehicle body right side is equipped with a moving slot, fixed connection is equipped with the dead lever in the moving slot, it is equipped with the rotor plate to rotate the cover on the dead lever, the rotor plate runs through in the moving slot setting, be equipped with the fixing device of rotor plate in the moving slot, the rotor plate is located the automobile body outside and is equipped with logical groove, the both sides that lead to the groove communicate with each other and set up, the rotor plate is located the automobile body outside and is equipped with the through-hole, through-hole and logical groove communicate with each other and set up, be equipped with the connecting plate in leading to the groove setting, the connecting plate is located logical inslot and is equipped with the connecting hole, connecting hole and through-hole correspond the setting, be equipped with the connecting rod in the connecting hole.

Above-mentioned scheme has solved to a certain extent among the prior art connecting device of electric traction car and has connected the problem that the degree of difficulty is big and produce the collision damage easily, but this scheme still has a great deal of not enoughly, for example: the linkage is not good when the trailer turns, is difficult to realize the linkage turning of the limit lock, and the container is easy to move when turning, and the stability is not good.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a trackless hybrid electric traction single trailer that reasonable in design, stability are good is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the trackless hybrid electric traction single trailer comprises a traction headstock, wherein the traction headstock is connected with a front trailer, one end of the front trailer, which is far away from the traction headstock, is connected with a rear trailer, at least one container is arranged on the front trailer, at least two containers are arranged on the rear trailer, a rotary type self-adaptive traction connecting mechanism is arranged between the front trailer and the rear trailer, the containers on the rear trailer and the two sides of the rear trailer are fixed through a plurality of detachable positioning connecting devices, an electric traction seat is arranged at the upper end of the traction headstock, and the electric traction seat is sealed through a sliding type protective component; the rotary type self-adaptive traction connecting mechanism comprises a rotary connecting assembly, an electric locking structure is arranged on the circumferential inner side of the rotary connecting assembly and is connected with a control box arranged in a cab of the traction vehicle head, and a rotary jacking assembly capable of applying reverse acting force after being stressed is arranged on the rotary connecting assembly; removable location connecting device wears to be equipped with the assembly horizontal pole including being the container locating component who vertically sets up and be located the rear trailer both sides between the container locating component, and is equipped with grafting fixed knot between the spliced eye of assembly horizontal pole and container bottom and constructs. The rear trailer is connected through the rotary type self-adaptive traction connecting mechanism, so that the self-adaptive locking of the rear trailer can be realized when the traction vehicle head turns, and the linkage performance is improved; the container positioning assembly can effectively fix the two sides of the container, the bottom of the container can be kept stable due to the fact that the inserting fixing structure and the assembling cross rod are matched with each other, production displacement is avoided when turning is conducted, and the using effect is good.

In foretell mixed electric power of trolley-bus pulls singly hanging car, rotation coupling assembling is including pulling the connecting seat, it is equipped with the bottom and is equipped with the positioning bottom plate to pull to be equipped with on the connecting seat, and pull the inboard grafting round pin axle that can circumferential direction and tip have the spacing lid of rotation, positioning bottom plate up end has the round pin axle constant head tank, thereby just be equipped with in the positioning bottom plate and be located the round pin axle constant head tank and can insert the grafting roof pressure structure that the inboard rotation location structure that is located the grafting round pin axle circumference moved towards outside horizontal migration of grafting round pin axle circumference. The rotating connecting assembly is used for rotating the rear trailer for traction connection. The rotary connecting assembly is connected with the rear trailer and the front trailer, when the vehicle turns, the rotary jacking assembly is used for self-adaptive rotary traction, and the electric locking structure is used for limiting and locking, so that synchronous linkage turning is realized, and the turning stability is ensured; the front trailer is used for towing the rear trailer in a manner of connecting the towing connecting seat and the inserting pin shaft in an inserting manner, so that the connection is convenient.

In the trackless hybrid electric traction single-trailer vehicle, the rotary positioning structure comprises a linkage jacking seat, one end of the linkage jacking seat is arranged in a jacking channel on the circumferential inner side of the splicing pin shaft, the circumferential inner side of the linkage jacking seat is provided with a jacking cavity, the diameter of the jacking cavity is gradually reduced from bottom to top, the circumferential upper part of the linkage jacking seat is provided with a plurality of horizontally arranged arc-shaped sliding positioning parts from top to bottom, the circumferential inner wall of the traction connecting seat is provided with an arc-shaped positioning groove for the arc-shaped sliding positioning parts to be inserted into, the circumferential inner side of the splicing pin shaft and the upper end of the jacking channel are provided with a guide chute, and a reset tension spring capable of pulling the arc-shaped sliding positioning parts to reset is arranged in the guide chute; the plug-in jacking structure comprises a plug-in socket vertically arranged at the middle part of the pin shaft positioning groove, a conical jacking rod which is correspondingly arranged in the circumferential direction of the jacking cavity is arranged on the plug-in socket, and the upper end of the conical jacking rod is abutted to the positioning cavity which is located on the inner side in the circumferential direction of the upper end of the jacking cavity. The insertion of the insertion jacking structure can enable the sliding positioning part to be inserted into the arc-shaped positioning groove, so that the rotation is not influenced, and the connection stability is improved.

In foretell trackless mixed electric power pulls singly hangs car, electronic locking structure is including setting up at the connecting cylinder body of pulling connecting seat circumference inboard, the arc constant head tank sets up at connecting cylinder circumference inner wall, and peg graft round pin axle pegs graft in connecting cylinder circumference inboard, the connecting cylinder body circumference outside has along pulling the slip telescopic link that the connecting seat is the slope setting through axis of rotation connection, and be equipped with the assembly slide bar on the slip telescopic link, assembly slide bar tip is equipped with the roof pressure pole, and both sides are equipped with and can keep away from assembly slide bar vertical extension and insert above-mentioned arc constant head tank and form spacing body of rod to arc slip location portion when the roof pressure pole atress about the assembly slide bar, be equipped with on the arc slip location portion if the pole corresponds the spacing hole that sets up with the spacing body of rod, the slip of the one end that the axis of rotation was kept away from to the slip telescopic link sets up in the connecting chute in locating bottom plate one end and with setting and control box electrical property The connected jacking air cylinders are connected. The setting of electronic locking structure can slide location portion to the arc and carry out the locking, prevents to continue to rotate, realizes the locking to make back trailer and preceding trailer produce direct linkage.

In foretell mixed electric power of trolley-bus pulls singly hanging car, rotate the roof pressure subassembly including setting up at the annular bellying that rotates spacing lid one end, it is equipped with the rotation roof pressure cover body to rotate spacing lid circumference outside, and rotate the roof pressure cover body and be equipped with the roof pressure structure between the spacing lid both sides of rotation, it is equipped with the arc and rotates the spacing groove to rotate the internal wall of roof pressure cover body circumference, and the arc rotates spacing groove both ends inboard and is equipped with spacing spring, form the arc interface between the spacing spring, and annular bellying pegs graft in the arc interface and fix a position through the connecting block that sets up at the spacing spring tip. The rotation jacking assembly is arranged to elastically limit the rotation stroke of the plug pin shaft, and the larger the rotation amplitude is, the larger the resistance is, so that the traction safety during turning is improved.

In foretell mixed electric power of trolley-bus pulls singly hanging car, the roof pressure structure is including setting up the bar groove rotating spacing lid both sides, the inboard axial in bar groove both ends is equipped with the damping pole, and the damping rod tip is equipped with the damping piece, the damping piece slides and sets up in the block spout of both sides about the bar groove, and forms fixed connection groove between the damping piece, it is equipped with the bar slip stopper of grafting in fixed connection groove to rotate the internal side of roof pressure cover, and the bar slip stopper sets up in the positioning groove of damping piece.

In foretell mixed electric traction of trolley-bus singly hangs car, container locating component is including setting up the fixed connector in rear trailer both sides, and fixed connector one end is passed through lock nut and is connected with the rear trailer, the other end setting rear trailer up end and with vertical setting the container installation spout fixed connection on the rear trailer, be equipped with the link block of pegging graft in container installation spout on the container, and the slidable mounting base of fixed connector upper end, container installation spout and container bottom is worn to locate in proper order to the assembly horizontal pole.

In foretell mixed electric power of trolley-bus pulls singly hangs car, grafting fixed knot constructs including a plurality of arc grafting bellying that set up along the axial of assembly horizontal pole circumference outer wall, the spliced eye setting is on the slidable mounting base, and spliced eye circumference inner wall is equipped with a plurality of arc slots that set up with arc grafting bellying one-to-one, the arc grafting bellying slides and pegs graft in the arc slot and spacing through the arc slot, and the assembly horizontal pole both ends are fixed through locking bolt locking. The arrangement of the inserting and fixing structure can effectively prevent the container from separating from the trailer due to jolting and vibration.

In foretell trackless mixed electric power pulls single trailer, the electric socket of slidingtype protective assembly traction locomotive upper end, the setting of electric traction seat is in connecing electric socket one end, and electric traction seat upper end is equipped with wiring socket, and electric traction seat both sides are equipped with sliding connection protective structure, and electric traction seat circumference inboard is equipped with electrically conductive plug, connects the electric socket tip to be equipped with the electric socket that connects that corresponds the setting with electrically conductive plug.

The sliding connection protection structure comprises a bar-shaped guide chute arranged on the traction vehicle head, a protection side plate is arranged in the bar-shaped guide chute in a sliding mode, a limiting chute used for limiting the sliding stroke of the protection side plate is arranged on the side face of the electric traction seat, and the inner wall of the protection side plate is arranged in the limiting chute in a sliding mode. The setting up of slidingtype protecting component makes and connects electric socket and have dustproof rain-proof effect, improves barrier propterty.

Compared with the prior art, the utility model has the advantages of: reasonable in design, linkage nature is good, when current trailer pulls the turn to the trailer back, can realize rotating spacingly to the self-adaptation of grafting round pin axle, and utilize electronic locking structure can lock the grafting round pin axle and die, make the direct transmission that forms power between preceding trailer and the trailer back, security and stability when improving the turn, and can effectively lock the dead location to the container through container locating component and grafting fixed knot structure, because of the condition that inertia produced the displacement when avoiding turning, stability is good.

Drawings

FIG. 1 is a side view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view of a rotary adaptive traction coupling of the present invention;

fig. 4 is a schematic diagram of the structure of the plug pin shaft of the present invention;

fig. 5 is a detailed view of the structure of the rotation limiting cover body in the present invention.

FIG. 6 is a schematic view of the structure of the rotating top pressing sleeve body of the present invention;

FIG. 7 is an assembly view of the detachable positioning and connecting device of the present invention;

fig. 8 is a sectional view of the insertion fixing structure of the present invention;

fig. 9 is a schematic structural view of the sliding type protection assembly of the present invention;

fig. 10 is a cross-sectional view of an electric traction base according to the present invention.

In the figure, a towing vehicle head 1, a front trailer 11, a rear trailer 12, a container 13, a rotary type adaptive towing connecting mechanism 2, a rotary connecting assembly 21, a towing connecting seat 211, a positioning bottom plate 212, a splicing pin shaft 213, a rotary limiting cover body 214, a pin shaft positioning groove 215, an electric locking structure 22, a connecting cylinder body 221, a rotary shaft 222, a sliding telescopic rod 223, an assembling slide rod 224, a jacking rod 225, a limiting rod body 226, a limiting hole 227, a connecting sliding groove 228, a jacking cylinder 229, a rotary jacking assembly 23, an annular bulge 231, a rotary jacking sleeve body 232, an arc-shaped rotary limiting groove 233, a limiting spring 234, an arc-shaped splicing port 235, a connecting block 236, a detachable positioning connecting device 3, a container positioning assembly 31, a fixed connecting piece 311, a locking nut 312, a container mounting sliding groove 313, a connecting sliding block 314, a sliding mounting base 315, an assembling cross rod 32, a splicing hole 33, a connecting assembly 21, a rotary connecting assembly 211, a connecting assembly body 223, a connecting rod assembly and a connecting rod assembly, The electric traction seat comprises a plug fixing structure 34, an arc-shaped plug bulge 341, an arc-shaped slot 342, a locking bolt 343, an electric traction seat 4, a sliding type protection component 5, an electric connection socket 51, a wiring socket 52, a conductive plug 53, an electric connection slot 54, a rotary positioning structure 6, a jacking channel 61, a linkage jacking seat 62, a jacking cavity 63, an arc-shaped sliding positioning part 64, an arc-shaped positioning groove 65, a guide sliding groove 66, a reset tension spring 67, a plug jacking structure 7, a plug seat 71, a conical jacking rod 72, a positioning cavity 73, a jacking structure 8, a strip-shaped groove 81, a damping rod 82, a damping block 83, a block sliding groove 84, a fixed connecting groove 85, a strip-shaped sliding limiting block 86, a positioning groove 87, a sliding connection protection structure 9, a strip-shaped guide sliding groove 91, a protection side plate 92 and a limiting sliding groove 93.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-10, the trackless hybrid electric traction single trailer comprises a traction vehicle head 1, wherein the traction vehicle head 1 is connected with a front trailer 11, one end of the front trailer 11, which is far away from the traction vehicle head 1, is connected with a rear trailer 12, at least one container 13 is arranged on the front trailer 11, at least two containers 13 are arranged on the rear trailer 12, a rotary type self-adaptive traction connecting mechanism 2 is arranged between the front trailer 11 and the rear trailer 12, the containers 13 on the rear trailer 12 and two sides of the rear trailer 12 are fixed through a plurality of detachable positioning connecting devices 3, an electric traction seat 4 is arranged at the upper end of the traction vehicle head 1, and the electric traction seat 4 is sealed through a sliding type protective component 5; the rotary type self-adaptive traction connecting mechanism 2 comprises a rotary connecting component 21, an electric locking structure 22 is arranged on the circumferential inner side of the rotary connecting component 21, the electric locking structure 22 is connected with a control box arranged in a cab of the traction vehicle head 1, and a rotary jacking component 23 capable of applying reverse acting force after being stressed is arranged on the rotary connecting component 21; removable location connecting device 3 wears to be equipped with between container locating component 31 and assembles horizontal pole 32 including being vertical setting and being located the container locating component 31 of rear trailer 12 both sides, and is equipped with grafting fixed knot between the spliced eye 33 of assembly horizontal pole 32 and container 13 bottom and constructs 34. The rotary type self-adaptive traction connecting mechanism 2 is arranged between the front trailer 11 and the rear trailer 12 to form self-adaptive rotation traction, the linkage and the safety during bending are improved, the detachable positioning connecting device 3 enables the container 13 to be more conveniently disassembled and assembled, the effective fixation of the container 13 is formed, and the stability of the container 13 during bending is improved.

Visibly, the rotating connection assembly 21 includes a traction connection seat 211, a positioning bottom plate 212 is arranged at the bottom of the traction connection seat 211, an insertion pin shaft 213 which can rotate circumferentially and has a rotation limiting cover 214 at the end part is inserted into the circumferential inner side of the traction connection seat 211, a pin shaft positioning groove 215 is arranged at the upper end surface of the positioning bottom plate 212, and an insertion jacking structure 7 which can be inserted into the circumferential inner side of the insertion pin shaft 213 so that the rotating positioning structure 6 located in the circumferential direction of the insertion pin shaft 213 horizontally moves towards the outer side is arranged in the positioning bottom plate 212 and located in the pin shaft positioning groove 215. The rotary hitch assembly 21 is used to make a rotary hitch connection to the rear trailer 12.

Furthermore, the rotating positioning structure 6 comprises a linkage jacking seat 62, one end of which is arranged in a jacking channel 61 on the circumferential inner side of the inserting pin shaft 213, the circumferential inner side of the linkage jacking seat 62 is provided with a jacking cavity 63, the diameter of the jacking cavity 63 is gradually reduced from bottom to top, the circumferential upper part of the linkage jacking seat 62 is provided with a plurality of horizontally arranged arc-shaped sliding positioning parts 64 from top to bottom, the circumferential inner wall of the traction connecting seat 211 is provided with an arc-shaped positioning groove 65 into which the arc-shaped sliding positioning part 64 can be inserted, the circumferential inner side of the inserting pin shaft 213 is provided with a guide chute 66 positioned at the upper end of the jacking channel 61, and the guide chute 66 is internally provided with a reset tension spring 67 capable of pulling the arc-shaped sliding positioning part 64 to reset; the inserting and pressing structure 7 comprises an inserting seat 71 vertically arranged in the middle of the pin shaft positioning groove 215, a conical pressing rod 72 correspondingly arranged with the circumference of the pressing cavity 63 is arranged on the inserting seat 71, and the upper end of the conical pressing rod 72 is provided with a positioning cavity 73 arranged on the inner side of the circumference of the upper end of the pressing cavity 63 in an abutting mode. When the tapered pressing rod 72 is inserted into the pressing cavity 63, the linkage pressing base 62 is pressed by the pressing force to push the arc-shaped sliding positioning portion to horizontally move toward the outside so as to be inserted into the arc-shaped positioning groove 65.

Obviously, the electric locking structure 22 includes a connecting cylinder 221 disposed at the inner side of the circumference of the towing connecting seat 211, an arc-shaped positioning slot 65 is disposed at the inner wall of the circumference of the connecting cylinder 221, and a plug pin shaft 213 is plugged at the inner side of the circumference of the connecting cylinder 221, the outer side of the circumference of the connecting cylinder 221 is connected with a sliding telescopic rod 223 disposed along the towing connecting seat 211 in an inclined manner through a rotation shaft 222, and the sliding telescopic rod 223 is provided with an assembly slide rod 224, the end of the assembly slide rod 224 is provided with a press rod 225, and the upper and lower sides of the assembly slide rod 224 are provided with limit rod bodies 226 capable of extending perpendicularly away from the assembly slide rod 224 and being inserted into the arc-shaped positioning slot 65 and limiting the arc-shaped sliding positioning portion 64 when the press rod 225 is stressed, the arc-shaped sliding positioning portion 64 is provided with limit holes 227 provided corresponding to the limit rod bodies 226, one end of the sliding telescopic rod 223 away from the rotation shaft 222 is slidably disposed in a connecting chute 228 in the positioning bottom plate 212, and one end of the sliding telescopic rod 223, which is located in the connecting sliding groove 228, is connected to a jacking cylinder 229, which is arranged at one end of the positioning bottom plate 212 and is electrically connected to the control box. The top pressure cylinder 229 pushes the bottom of the sliding telescopic rod 223 to slide in the connecting sliding groove 228, and when the top pressure rod 225 is subjected to resistance, the limiting rod body 226 slides into the arc-shaped positioning groove 65 and limits the arc-shaped sliding positioning part 64, so that the plug pin shaft 213 is locked.

Specifically, the top pressure assembly 23 includes an annular protruding portion 231 disposed at one end of the rotation limiting cover 214, a rotation top pressure sleeve 232 is disposed on the outer side of the circumference of the rotation limiting cover 214, a top pressure structure 8 is disposed between the rotation top pressure sleeve 232 and the rotation limiting cover 214, a circumferential inner wall of the rotation top pressure sleeve 232 is provided with an arc rotation limiting groove 233, a limiting spring 234 is disposed on the inner side of each of two ends of the arc rotation limiting groove 233, an arc insertion port 235 is formed between the limiting springs 234, and the annular protruding portion 231 is inserted into the arc insertion port 235 and is positioned by a connecting block 236 disposed at the end of the limiting spring 234. The jacking assembly 23 is rotated to enable the splicing pin shaft 213 to rotate left and right to receive the reverse jacking acting force, the larger the rotation amplitude is, the larger the received reverse jacking acting force is, the safety during turning is improved, and the situation of rapid turning is avoided.

Furthermore, the jacking structure 8 comprises strip-shaped grooves 81 arranged on two sides of the rotary limiting cover body 214, damping rods 82 are axially arranged on the inner sides of two ends of each strip-shaped groove 81, damping blocks 83 are arranged at the end portions of the damping rods 82, the damping blocks 83 are slidably arranged in block sliding grooves 84 on the upper side and the lower side of each strip-shaped groove 81, fixed connecting grooves 85 are formed among the damping blocks 83, strip-shaped sliding limiting blocks 86 inserted into the fixed connecting grooves 85 are arranged on the inner sides of the rotary jacking sleeve bodies 232, and the strip-shaped sliding limiting blocks 86 are arranged in positioning grooves 87 of the damping blocks 83.

Preferably, the container positioning assembly 31 includes fixed connecting members 311 disposed at both sides of the rear trailer 12, one end of the fixed connecting member 311 is connected to the rear trailer 12 through a lock nut 312, the other end is disposed at the upper end surface of the rear trailer 12 and is fixedly connected to a container mounting chute 313 vertically disposed on the rear trailer 12, a connecting slider 314 inserted in the container mounting chute 313 is disposed on the container 13, and the assembling crossbar 32 sequentially penetrates through the upper end of the fixed connecting member 311, the container mounting chute 313 and a sliding mounting base 315 at the bottom of the container 13;

wherein, grafting fixed knot constructs 34 includes a plurality of arc grafting bellying 341 along the axial setting of assembly horizontal pole 32 circumference outer wall, and spliced eye 33 sets up on slidable mounting base 315, and spliced eye 33 circumference inner wall is equipped with a plurality of arc slots 342 that set up with arc grafting bellying 341 one-to-one, and arc grafting bellying 341 slides and pegs graft in arc slot 342 and spacing through arc slot 342, and the locking bolt 343 locking is fixed at assembly horizontal pole 32 both ends. During installation, the connecting sliding blocks 314 at two sides of the container 13 are inserted into the container installation sliding grooves 313 and slide to a designated position, and the assembly cross bars 32 are inserted into the insertion holes 33 and are fixedly locked by the insertion fixing structures 34.

In detail, the sliding type protection assembly 5 pulls the power connection socket 51 at the upper end of the locomotive 1, the electric traction seat 4 is arranged at one end of the power connection socket 51, the upper end of the electric traction seat 4 is provided with a wiring socket 52, two sides of the electric traction seat 4 are provided with the sliding connection protection structures 9, the circumferential inner side of the electric traction seat 4 is provided with a conductive plug 53, and the end part of the power connection socket 51 is provided with a power connection slot 54 corresponding to the conductive plug 53.

More specifically, the sliding connection protection structure 9 includes a bar-shaped guide chute 91 arranged on the traction vehicle head 1, a protection side plate 92 is arranged in the bar-shaped guide chute 91 in a sliding manner, a limit chute 93 for limiting the sliding stroke of the protection side plate 92 is arranged on the side surface of the electric traction seat 4, and the inner wall of the protection side plate 92 is arranged in the limit chute 93 in a sliding manner. The electric traction socket 4 here can slide on the traction vehicle head 1, and the connection wire of the connection socket 52 forms a seal circumferentially.

In summary, the principle of the present embodiment is: when the vehicle turns, the front trailer 11 pulls the rear trailer 12 through the rotating connection assembly 21, and self-adaptive rotation limiting is formed on the plug pin shaft 213 through rotating the jacking assembly 23, so that the stability during turning is improved, when the turning amplitude is large, the jacking cylinder 229 is used for pushing the bottom of the sliding telescopic rod 223 to slide in the connection sliding groove 228, the jacking rod 225 bears resistance, the limiting rod body 226 slides into the arc-shaped positioning groove 65 and limits the arc-shaped sliding positioning part 64, and the locking of the plug pin shaft 213 is realized. The front trailer 11 and the rear trailer 13 keep a set turning angle, and the over-turning effect is improved; and the container 13 is locked and fixed through the container positioning component 31 and the inserting and fixing structure 34, so that the displacement generated during turning is avoided.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the tractor 1, the front trailer 11, the rear trailer 12, the container 13, the rotary adaptive towing connecting mechanism 2, the rotary connecting assembly 21, the towing connecting seat 211, the positioning bottom plate 212, the inserting pin 213, the rotary limit cover 214, the pin positioning slot 215, the electric locking structure 22, the connecting cylinder 221, the rotary shaft 222, the sliding telescopic rod 223, the assembling slide bar 224, the pressing rod 225, the limit rod 226, the limit hole 227, the connecting chute 228, the pressing cylinder 229, the rotary pressing assembly 23, the annular bulge 231, the rotary pressing sleeve 232, the arc-shaped rotary limit groove 233, the limit spring 234, the arc-shaped inserting port 235, the connecting block 236, the detachable positioning connecting device 3, the container positioning assembly 31, the fixed connecting piece 311, the locking nut 312, the container mounting chute 313, the connecting slider 314, the sliding mounting base 315, the assembling cross bar 32, the locking nut 312, the container mounting chute 313, the connecting slider 314, the sliding mounting base 315, and the rotary adaptive towing connecting mechanism 2 are more widely used herein, The electric traction seat comprises an inserting hole 33, an inserting fixing structure 34, an arc-shaped inserting protruding portion 341, an arc-shaped slot 342, a locking bolt 343, an electric traction seat 4, a sliding type protection assembly 5, an electric connection socket 51, a wiring socket 52, a conductive plug 53, an electric connection slot 54, a rotary positioning structure 6, a pressing channel 61, a linkage pressing seat 62, a pressing cavity 63, an arc-shaped sliding positioning portion 64, an arc-shaped positioning groove 65, a guide sliding groove 66, a reset tension spring 67, an inserting pressing structure 7, an inserting seat 71, a conical pressing rod 72, a positioning cavity 73, a pressing structure 8, a strip-shaped groove 81, a damping rod 82, a damping block 83, a block sliding groove 84, a fixed connecting groove 85, a strip-shaped sliding limiting block 86, a positioning groove 87, a sliding connection protection structure 9, a strip-shaped guide sliding groove 91, a protection side plate 92, a limiting sliding groove 93 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. A trackless hybrid electric traction single-trailer vehicle comprises a traction vehicle head (1), wherein the traction vehicle head (1) is connected with a front trailer (11), one end of the front trailer (11) far away from the traction vehicle head (1) is connected with a rear trailer (12), at least one container (13) is arranged on the front trailer (11), at least two containers (13) are arranged on the rear trailer (12), it is characterized in that a rotary self-adaptive traction connecting mechanism (2) is arranged between the front trailer (11) and the rear trailer (12), the container (13) on the rear trailer (12) is fixed with the two sides of the rear trailer (12) through a plurality of detachable positioning connecting devices (3), the upper end of the traction headstock (1) is provided with an electric traction seat (4), the electric traction seat (4) is sealed by a sliding type protection component (5); the rotary type self-adaptive traction connecting mechanism (2) comprises a rotary connecting component (21), an electric locking structure (22) is arranged on the circumferential inner side of the rotary connecting component (21), the electric locking structure (22) is connected with a control box arranged in a cab of the traction vehicle head (1), and a rotary jacking component (23) capable of applying reverse acting force after being stressed is arranged on the rotary connecting component (21); removable location connecting device (3) including being vertical setting and being located container locating component (31) of rear trailer (12) both sides, container locating component (31) between wear to be equipped with assembly horizontal pole (32), and be equipped with grafting fixed knot structure (34) between spliced eye (33) of assembly horizontal pole (32) and container (13) bottom.

2. A trackless hybrid electric traction trailer according to claim 1, wherein the rotary connection assembly (21) comprises a traction connection base (211), a positioning bottom plate (212) is arranged on the bottom of the traction connection base (211), an insertion pin (213) which can rotate circumferentially and has a rotation limiting cover (214) at the end is inserted into the inner circumferential side of the traction connection base (211), a pin positioning groove (215) is arranged on the upper end surface of the positioning bottom plate (212), and an insertion pressing structure (7) which can be inserted into the inner circumferential side of the insertion pin (213) is arranged in the pin positioning groove (215) in the positioning bottom plate (212) so that the rotary positioning structure (6) located in the circumferential direction of the insertion pin (213) horizontally moves towards the outer side.

3. A trackless hybrid electric traction single-trailer vehicle according to claim 2, the rotary positioning structure (6) comprises a linkage jacking seat (62) with one end arranged in a jacking channel (61) on the circumferential inner side of the inserting pin shaft (213), a jacking cavity (63) is arranged on the circumferential inner side of the linkage jacking seat (62), the diameter of the jacking cavity (63) is gradually reduced from bottom to top, a plurality of arc-shaped sliding positioning parts (64) which are horizontally arranged are arranged on the linkage jacking seat (62) from top to bottom in the circumferential direction, and the inner wall of the circumference of the traction connecting seat (211) is provided with an arc-shaped positioning groove (65) for inserting the arc-shaped sliding positioning part (64), the circumferential inner side of the inserting pin shaft (213) and the upper end of the jacking channel (61) are provided with a guide sliding groove (66), a reset tension spring (67) capable of pulling the arc-shaped sliding positioning part (64) to reset is arranged in the guide sliding chute (66); the inserting and pressing structure (7) comprises an inserting seat (71) vertically arranged in the middle of the pin shaft positioning groove (215), a conical pressing rod (72) which is arranged in a corresponding mode with the circumferential direction of the pressing cavity (63) is arranged on the inserting seat (71), and the upper end of the conical pressing rod (72) is provided with a positioning cavity (73) which is arranged on the circumferential inner side of the upper end of the pressing cavity (63) in an abutting mode.

4. A trackless hybrid electric traction single-trailer vehicle as claimed in claim 3, wherein the electric locking structure (22) comprises a connecting cylinder (221) disposed on the inner circumferential side of the traction connecting seat (211), the arc-shaped positioning groove (65) is disposed on the inner circumferential wall of the connecting cylinder (221), the insertion pin (213) is inserted into the inner circumferential side of the connecting cylinder (221), the outer circumferential side of the connecting cylinder (221) is connected to a sliding telescopic rod (223) obliquely disposed along the traction connecting seat (211) via a rotating shaft (222), the sliding telescopic rod (223) is provided with an assembly slide rod (224), the end of the assembly slide rod (224) is provided with a pressing rod (225), and the upper and lower sides of the assembly slide rod (224) are provided with a limiting rod body (226) which can vertically extend away from the assembly slide rod (224) when the pressing rod (225) is stressed and is inserted into the arc-shaped positioning groove (65) and limits the arc-shaped sliding positioning portion (64), the arc-shaped sliding positioning part (64) is provided with a limiting hole (227) which is correspondingly formed between the rod and the limiting rod body (226), one end, far away from the rotating shaft (222), of the sliding telescopic rod (223) is arranged in a connecting sliding groove (228) in the positioning bottom plate (212) in a sliding mode, and one end, located in the connecting sliding groove (228), of the sliding telescopic rod (223) is connected with a jacking air cylinder (229) which is arranged at one end of the positioning bottom plate (212) and is electrically connected with the control box.

5. The trackless hybrid electric traction trailer of claim 2, wherein the rotary pressing assembly (23) comprises an annular protrusion (231) disposed at one end of the rotary limiting cover (214), a rotary pressing sleeve (232) is disposed on the outer circumferential side of the rotary limiting cover (214), a pressing structure (8) is disposed between the rotary pressing sleeve (232) and the two sides of the rotary limiting cover (214), an arc-shaped rotary limiting groove (233) is disposed on the inner circumferential wall of the rotary pressing sleeve (232), limiting springs (234) are disposed on the inner sides of the two ends of the arc-shaped rotary limiting groove (233), an arc-shaped insertion opening (235) is formed between the limiting springs (234), and the annular protrusion (231) is inserted into the arc-shaped insertion opening (235) and is positioned by a connecting block (236) disposed at the end of the limiting spring (234).

6. A trackless hybrid electric traction trailer as claimed in claim 5, wherein the jacking structure (8) comprises bar-shaped grooves (81) disposed on both sides of the rotational limit cover (214), damping rods (82) are axially disposed on the inner sides of both ends of the bar-shaped grooves (81), damping blocks (83) are disposed on the ends of the damping rods (82), the damping blocks (83) are slidably disposed in block sliding grooves (84) disposed on the upper and lower sides of the bar-shaped grooves (81), a fixed connecting groove (85) is formed between the damping blocks (83), a bar-shaped sliding limit block (86) inserted into the fixed connecting groove (85) is disposed on the inner side of the rotational jacking sleeve body (232), and the bar-shaped sliding limit block (86) is disposed in a positioning groove (87) of the damping block (83).

7. A trackless hybrid electric traction trailer according to claim 1, wherein the container positioning assembly (31) comprises fixed connection members (311) disposed on both sides of the rear trailer (12), one end of each fixed connection member (311) is connected to the rear trailer (12) through a locking nut (312), the other end of each fixed connection member is disposed on the upper end surface of the rear trailer (12) and is fixedly connected to a container mounting chute (313) vertically disposed on the rear trailer (12), the container (13) is provided with a connection slider (314) inserted into the container mounting chute (313), and the assembly rail (32) sequentially penetrates through the upper end of the fixed connection member (311), the container mounting chute (313) and a sliding mounting base (315) at the bottom of the container (13).

8. A trackless hybrid electric traction single-trailer vehicle according to claim 7, wherein the plug-in fixing structure (34) comprises a plurality of arc-shaped plug-in protrusions (341) axially arranged along the circumferential outer wall of the assembly rail (32), the plug-in hole (33) is arranged on the sliding mounting base (315), a plurality of arc-shaped slots (342) corresponding to the arc-shaped plug-in protrusions (341) one by one are arranged on the circumferential inner wall of the plug-in hole (33), the arc-shaped plug-in protrusions (341) are slidably plugged into the arc-shaped slots (342) and are limited by the arc-shaped slots (342), and two ends of the assembly rail (32) are locked and fixed by locking bolts (343).

9. A trackless hybrid electric traction trailer according to claim 1, wherein the sliding type protection assembly (5) is used to pull a power connection socket (51) at the upper end of the trailer head (1), the electric traction seat (4) is arranged at one end of the power connection socket (51), a connection socket (52) is arranged at the upper end of the electric traction seat (4), the two sides of the electric traction seat (4) are provided with sliding connection protection structures (9), a conductive plug (53) is arranged on the inner circumferential side of the electric traction seat (4), and a power connection slot (54) corresponding to the conductive plug (53) is arranged at the end of the power connection socket (51).

10. A trackless hybrid electric traction single-trailer according to claim 9, wherein the sliding connection protection structure (9) comprises a bar-shaped guide chute (91) arranged on the traction vehicle head (1), a protection side plate (92) is slidably arranged in the bar-shaped guide chute (91), a limit chute (93) for limiting the sliding stroke of the protection side plate (92) is arranged on the side surface of the electric traction seat (4), and the inner wall of the protection side plate (92) is slidably arranged in the limit chute (93).

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