CN113291109B - Trailer connecting device for cargo transportation semitrailer - Google Patents
Trailer connecting device for cargo transportation semitrailer Download PDFInfo
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- CN113291109B CN113291109B CN202110621392.3A CN202110621392A CN113291109B CN 113291109 B CN113291109 B CN 113291109B CN 202110621392 A CN202110621392 A CN 202110621392A CN 113291109 B CN113291109 B CN 113291109B
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- hydraulic cylinder
- rod
- trailer
- semitrailer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/243—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for protection in case of crash, collision, impact, or the like
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to the technical field of trailers and discloses a trailer connecting device for a cargo transportation semitrailer, which comprises a connecting rotating shaft, wherein a rotating sleeve body is movably mounted on the outer ring of the connecting rotating shaft, the rotating sleeve body is movably mounted in the middle of a fixed oil cylinder, a hydraulic cylinder body is fixedly mounted above the fixed oil cylinder, a sliding plug rod is slidably mounted inside the hydraulic cylinder body, a fixed hydraulic cylinder is fixedly mounted above a connecting oil pipe, and a piston rod is movably mounted inside the fixed hydraulic cylinder. This a trailer connecting device for freight semitrailer upwards pulls out through connecting the pivot, makes it insert through connecting the framework and rotate the cover body in, when the turn, connects the pivot and gives and rotate the cover body pressure, makes to rotate the oil body in the cover body extrusion fixed oil cylinder, makes the oil body get into hydraulic cylinder body, makes it promote the upward movement of slip cock stem to the extrusion effect of bearing high strength through the hydraulic cushion has been reached.
Description
Technical Field
The invention relates to the technical field of trailers, in particular to a trailer connecting device for a cargo transportation semitrailer.
Background
The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to a tractor, the semitrailer generally runs by being pulled by a head, the semitrailer is divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like, and the semitrailer is a heavy transport vehicle connected with the head of the semitrailer through a traction pin and is mainly used for long-distance transportation of large goods and short-distance transportation in fields such as factories, ports, wharfs, warehouses and the like.
Because the semitrailer body is too long, the turning radius of the semitrailer is too large when the semitrailer turns, and the semitrailer generally needs to carry heavy goods, the rear inertia is too large when the semitrailer turns, the connecting device of the head is extruded with high strength, the fatigue strength of the semitrailer is greatly reduced, the semitrailer connecting device can be cracked after being used for a long time, and the semitrailer is separated from the head to cause accidents.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a trailer connecting device for a cargo transportation semitrailer, which has the advantages of hydraulic buffering to bear high-strength extrusion, protecting the connecting device and preventing the connecting device from cracking and the like, and solves the problem that the common trailer connecting device cannot bear the high-strength extrusion during turning and is easy to damage and break away.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a trailer connecting device for freight semitrailer, includes the connection pivot, the outer lane movable mounting who connects the pivot has the rotation cover body, the intermediate position of rotation cover body movable mounting at fixed cylinder, the top fixed mounting of fixed cylinder has hydraulic cylinder body, the inside slidable mounting of hydraulic cylinder body has the slip cock stem, the left end fixed mounting of hydraulic cylinder body has connecting oil pipe, the top fixed mounting who connects oil pipe has fixed hydraulic cylinder, fixed hydraulic cylinder's inside movable mounting has the piston rod, the top fixed mounting of slip cock stem has the connecting plate, the top fixed mounting of connecting plate has the fixed block, the top fixed mounting of fixed block has the slurcam, the left end of slurcam rotates installs the rotation connecting rod, the top slidable mounting of slurcam has the pressure bar, the top fixed mounting of slurcam has fixed frame body, the top slidable mounting of fixed frame body has the dwang, the top slidable mounting of slurcam body has the articulated seat, the top of articulated seat rotates installs articulated connecting rod, the right-hand member of articulated connecting rod rotates and installs the spring depression bar, the stripper plate, the top movable mounting of arc frame body has the arc framework, the fixed mounting has the organism to connect the front portion of organism.
Preferably, the fixed oil cylinder is communicated with the hydraulic cylinder bodies and the fixed hydraulic cylinder, and hydraulic oil is filled in the fixed oil cylinder, so that the hydraulic oil flows in the three cylinder bodies to absorb energy.
Preferably, the sliding plug rod and the piston rod are both provided with pistons, and are respectively matched with the hydraulic cylinder body and the fixed hydraulic cylinder, so that the sliding plug rod and the piston rod respectively slide in the hydraulic cylinder body and the fixed hydraulic cylinder.
Preferably, a tooth-shaped convex structure is processed on the connecting rotating shaft, and a groove structure matched with the connecting rotating shaft is processed on the inner wall of the rotating sleeve body, so that the connecting rotating shaft is tightly connected with the rotating sleeve body.
Preferably, a frame structure is fixedly mounted above the pressing rod and matched with the pressing rod, and a spring structure is mounted on the pressing rod, so that the pressing rod can slide in the frame structure.
Preferably, the rotating rod is connected with the fixed frame body through a fixed structure, and a fixed rotating structure is also fixedly mounted below the sliding plate body, so that the rotating rod drives the sliding plate body to slide.
Preferably, the front end of the hanging vehicle body is fixedly provided with a baffle, the connecting frame body is fixedly arranged at the front end of the baffle, wheels are rotatably arranged below the hanging vehicle body, and the connecting rotating shaft is fixedly arranged through the connecting frame body.
(III) advantageous effects
Compared with the prior art, the invention provides a trailer connecting device for a cargo transportation semitrailer, which has the following beneficial effects:
1. this a trailer connecting device for freight semitrailer through bracing piece fixed stay subaerial, makes to connect the pivot and upwards pull out, makes it insert through connecting the framework and rotate the cover body, when the turn, connects the pivot and gives and rotate the cover body pressure, makes the oil body in the fixed hydro-cylinder of cover body extrusion, makes the oil body get into hydraulic cylinder body, makes it promote the sliding plug pole upward movement to reached and born the extrusion effect of high strength through the hydraulic pressure buffering.
2. This a trailer connecting device for freight semitrailer, drive the connecting plate upward movement through the slip cock stem, the connecting plate drives the slurcam upward movement through the fixed block, the slurcam drives the depression bar upward movement, the slurcam drives the piston rod upwards through rotating the connecting rod simultaneously and slides, the piston rod upwards promotes the slip plate body and slides, the slip plate body rotates upward movement through the dwang, the slip plate body drives articulated connecting rod through articulated seat and rotates, articulated connecting rod is pressed the spring depression bar, the spring depression bar shrink energy absorption, thereby reached and born the extrusion, the effect of preventing damaging.
Drawings
FIG. 1 is a schematic sectional view of a top view structure of the present invention.
FIG. 2 is an enlarged view of the structure at A of the present invention.
FIG. 3 is a schematic view of the external structure of the trailer body and the connected mechanism of the present invention.
In the figure: 1. connecting the rotating shaft; 2. rotating the sleeve body; 3. fixing the oil cylinder; 4. a hydraulic cylinder block; 5. a sliding plug rod; 6. connecting an oil pipe; 7. fixing a hydraulic cylinder; 8. a piston rod; 9. a connecting plate; 10. a fixed block; 11. a push plate; 12. rotating the connecting rod; 13. pressing the rod; 14. fixing the frame body; 15. rotating the rod; 16. a slide plate body; 17. a hinged seat; 18. a hinged connecting rod; 19. a spring compression bar; 20. a pressing plate; 21. an arc frame body; 22. a body; 23. connecting the frame body; 24. hanging the trolley body; 25. a support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-3, a trailer connection device for a cargo transportation semitrailer comprises a connection rotating shaft 1, a rotating sleeve body 2 is movably mounted on the outer ring of the connection rotating shaft 1, a tooth-shaped convex structure is processed on the connection rotating shaft 1, a groove structure matched with the connection rotating shaft 2 is processed on the inner wall of the rotating sleeve body 2, so that the connection rotating shaft 1 is tightly connected with the rotating sleeve body 2, the rotating sleeve body 2 is movably mounted at the middle position of a fixed oil cylinder 3, a hydraulic cylinder body 4 is fixedly mounted above the fixed oil cylinder 3, a sliding plug rod 5 is slidably mounted inside the hydraulic cylinder body 4, a connection oil pipe 6 is fixedly mounted at the left end of the hydraulic cylinder body 4, a fixed hydraulic cylinder 7 is fixedly mounted above the connection oil pipe 6, the fixed oil cylinder 3 is communicated with the hydraulic cylinder body 4 and the fixed hydraulic cylinder 7, and hydraulic oil is filled in the fixed oil cylinder body to enable the hydraulic oil to flow in the three cylinder bodies, absorbing energy, a piston rod 8 is movably arranged in a fixed hydraulic cylinder 7, pistons are arranged on a sliding plug rod 5 and the piston rod 8 and are respectively matched with a hydraulic cylinder body 4 and the fixed hydraulic cylinder 7, so that the sliding plug rod 5 and the piston rod 8 respectively slide in the hydraulic cylinder body 4 and the fixed hydraulic cylinder 7, a connecting plate 9 is fixedly arranged above the sliding plug rod 5, a fixed block 10 is fixedly arranged above the connecting plate 9, a pushing plate 11 is fixedly arranged above the fixed block 10, a rotating connecting rod 12 is rotatably arranged at the left end of the pushing plate 11, a pressing rod 13 is slidably arranged above the pushing plate 11, a frame body structure is fixedly arranged above the pressing rod 13 and is matched with the frame body structure, a spring structure is arranged on the pressing rod 13, so that the pressing rod 13 can slide in the frame body structure, a fixed frame body 14 is fixedly arranged above the pressing rod 13, a rotating rod 15 is rotatably mounted above the fixed frame 14, a sliding plate body 16 is slidably mounted above the rotating rod 15, the rotating rod 15 is connected with the fixed frame 14 through a fixed structure, a fixed rotating structure is also fixedly mounted below the sliding plate body 16, the rotating rod 15 drives the sliding plate body 16 to slide, a hinged seat 17 is fixedly mounted above the sliding plate body 16, a hinged connecting rod 18 is rotatably mounted above the hinged seat 17, a spring pressing rod 19 is rotatably mounted at the right end of the hinged connecting rod 18, an extrusion plate 20 is movably mounted above the spring pressing rod 19, an arc frame body 21 is fixedly mounted above the extrusion plate 20, an organism 22 is fixedly mounted below the arc frame body 21, a connecting frame body 23 is fixedly mounted above the connecting rotating shaft 1, the connecting frame body 23 is fixedly mounted at the front end of a trailer body 24, a baffle is fixedly mounted at the front end of the trailer body 24, the connecting frame body 23 is fixedly mounted at the front end of the baffle, wheels are rotatably mounted below the trailer body 24, the connecting shaft 1 is fixedly mounted through the connecting frame body 23, and a supporting rod 25 is rotatably mounted below the trailer body 24.
The working principle is as follows: the trailer connecting device for the cargo transport semitrailer is fixedly supported on the ground through the supporting rod 25, the connecting rotating shaft 1 is pulled upwards, the connecting rotating shaft is inserted into the rotating sleeve body 2 through the connecting frame body 23, when the semitrailer turns, the connecting rotating shaft 1 gives pressure to the rotating sleeve body 2, the rotating sleeve body 2 extrudes oil bodies in the fixed oil cylinder 3, the oil bodies enter the hydraulic cylinder body 4 and push the sliding plug rod 5 to move upwards, the sliding plug rod 5 drives the connecting plate 9 to move upwards, the connecting plate 9 drives the pushing plate 11 to move upwards through the fixing block 10, the pushing plate 11 drives the pressing rod 13 to move upwards, meanwhile, the pushing plate 11 drives the piston rod 8 to slide upwards through the rotating connecting rod 12, the piston rod 8 pushes the sliding plate body 16 to slide upwards through the rotating rod 15, the sliding plate body 16 drives the hinged connecting rod 18 to rotate through the hinged seat 17, the hinged connecting rod 18 presses the spring pressing rod 19, and the spring pressing rod 19 shrinks to absorb energy, so that the effects of bearing extrusion and preventing damage are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A trailer connection device for a freight semitrailer, comprising a connection shaft (1), characterized in that: the outer lane movable mounting who connects pivot (1) has the rotating sleeve body (2), the rotating sleeve body (2) movable mounting is in the intermediate position of fixed cylinder (3), the top fixed mounting of fixed cylinder (3) has hydraulic cylinder body (4), the inside slidable mounting of hydraulic cylinder body (4) has slip cock stem (5), the left end fixed mounting of hydraulic cylinder body (4) has connecting oil pipe (6), the top fixed mounting of connecting oil pipe (6) has fixed hydraulic cylinder (7), the inside movable mounting of fixed hydraulic cylinder (7) has piston rod (8), the top fixed mounting of slip cock stem (5) has connecting plate (9), the top fixed mounting of connecting plate (9) has fixed block (10), the top fixed mounting of fixed block (10) has slurcam (11), the left end of slurcam (11) is rotated and is installed and is rotated connecting rod (12), the top slidable mounting of slurcam (11) has dwang (13), the top fixed mounting of slurcam (13) has fixed frame body (14), the top of fixed frame body (14) is rotated and is installed dwang (15), the top slidable mounting of slurcam (16) has the sliding plate body (17), a hinged connecting rod (18) is rotatably mounted above the hinged seat (17), a spring pressing rod (19) is rotatably mounted at the right end of the hinged connecting rod (18), an extrusion plate (20) is movably mounted above the spring pressing rod (19), an arc-shaped frame body (21) is fixedly mounted above the extrusion plate (20), a body (22) is fixedly mounted below the arc-shaped frame body (21), a connecting frame body (23) is fixedly mounted above the connecting rotating shaft (1), the connecting frame body (23) is fixedly mounted at the front end of a trailer body (24), and a supporting rod (25) is rotatably mounted below the trailer body (24);
the connecting rotating shaft (1) is provided with a tooth-shaped protruding structure, and the inner wall of the rotating sleeve body (2) is provided with a groove structure matched with the tooth-shaped protruding structure, so that the connecting rotating shaft (1) and the rotating sleeve body (2) are mutually and tightly connected.
2. A trailer coupling apparatus for a cargo-transporting semitrailer according to claim 1, wherein: the fixed oil cylinder (3) is communicated with the hydraulic cylinder body (4) and the fixed hydraulic cylinder (7), and hydraulic oil is filled in the fixed oil cylinder.
3. A trailer coupling apparatus for a cargo-transporting semitrailer in accordance with claim 1, wherein: and the sliding plug rod (5) and the piston rod (8) are provided with pistons which are respectively matched with the hydraulic cylinder body (4) and the fixed hydraulic cylinder (7).
4. A trailer coupling apparatus for a cargo-transporting semitrailer in accordance with claim 1, wherein: and a frame structure is fixedly arranged above the pressing rod (13) and matched with the frame structure, and a spring structure is arranged on the pressing rod (13).
5. A trailer coupling apparatus for a cargo-transporting semitrailer in accordance with claim 1, wherein: the rotating rod (15) is connected with the fixed frame body (14) through a fixed structure, and a fixed rotating structure is fixedly arranged below the sliding plate body (16).
6. A trailer coupling apparatus for a cargo-transporting semitrailer according to claim 1, wherein: the front end of the trailer body (24) is fixedly provided with a baffle, the connecting frame body (23) is fixedly arranged at the front end of the baffle, and wheels are rotatably arranged below the trailer body (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621392.3A CN113291109B (en) | 2021-06-03 | 2021-06-03 | Trailer connecting device for cargo transportation semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621392.3A CN113291109B (en) | 2021-06-03 | 2021-06-03 | Trailer connecting device for cargo transportation semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113291109A CN113291109A (en) | 2021-08-24 |
| CN113291109B true CN113291109B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110621392.3A Active CN113291109B (en) | 2021-06-03 | 2021-06-03 | Trailer connecting device for cargo transportation semitrailer |
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| CN (1) | CN113291109B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657188A (en) * | 1949-02-09 | 1951-09-12 | Joseph Tiburtus Conley | Road dolly for trailers |
| CN106274320A (en) * | 2016-09-13 | 2017-01-04 | 姚晓宁 | Semitrailer attachment means |
| CN109080389B (en) * | 2018-08-30 | 2021-10-19 | 南昌保莱科技有限公司 | Transportation machinery traction equipment with adjusting function |
| CN208896791U (en) * | 2018-09-28 | 2019-05-24 | 十堰市金海丰精密铸造有限公司 | A kind of easy-to-mount traction seat |
| CN213057288U (en) * | 2020-07-15 | 2021-04-27 | 河北华佑顺驰专用汽车有限公司 | Trailer boundary beam and trailer that intensity is high |
| CN213322535U (en) * | 2020-10-21 | 2021-06-01 | 连云港华阳机械制造有限公司 | Traction axle |
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2021
- 2021-06-03 CN CN202110621392.3A patent/CN113291109B/en active Active
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| CN113291109A (en) | 2021-08-24 |
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Effective date of registration: 20221018 Address after: No. 3, Fulian Road, High-tech Zone, Lianyuan City, Loudi City, Hunan Province 417100 Applicant after: Hunan Shiniu Automobile Manufacturing Co.,Ltd. Address before: 325000 No. 114, Wansong East Road, Rui'an City, Wenzhou City, Zhejiang Province Applicant before: He Pengyun |
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