CN113135075B - Intelligent trailer device and control method - Google Patents
Intelligent trailer device and control method Download PDFInfo
- Publication number
- CN113135075B CN113135075B CN202110556177.XA CN202110556177A CN113135075B CN 113135075 B CN113135075 B CN 113135075B CN 202110556177 A CN202110556177 A CN 202110556177A CN 113135075 B CN113135075 B CN 113135075B
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- rocker
- unlocking
- locking
- telescopic mechanism
- trailer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/01—Traction couplings or hitches characterised by their type
- B60D1/04—Hook or hook-and-hasp couplings
-
- 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
- B60D1/246—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for actuating the hitch by powered means
-
- 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
- B60D1/36—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for facilitating connection, e.g. hitch catchers, visual guide means, signalling aids
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses an intelligent trailer device and a control method, wherein the intelligent trailer device comprises a front vehicle support, a rotating assembly and a telescopic mechanism electrically connected with a front vehicle control center; the fixed end of the telescopic mechanism is arranged at the top of the first end, and the movable end of the telescopic mechanism penetrates through the top of the first end; the rotating component is rotatably arranged at the second end; an included angle formed between a straight line where the locking end of the rotating assembly is located and a straight line where the unlocking end of the rotating assembly is located is [60 degrees ], and 120 degrees ]; when the locking end points to the end far away from the front vehicle support, the unlocking end points to the telescopic mechanism, so that the rear trailer hook can push the rotating assembly to rotate anticlockwise through the unlocking end when being inserted into the opening until the locking end points to the telescopic mechanism, and the movable end of the telescopic mechanism can stretch out and limit the locking end. The invention has simple structure and high connection tightness, and can realize the automatic locking and unlocking of the rear trailer hook and the front vehicle support.
Description
Technical Field
The invention relates to the field of transportation, in particular to an intelligent trailer device and a control method.
Background
To effect coupling of a tractor to a trailer, the trailer is typically coupled to the tractor by a trailer coupling. However, the existing trailer hook usually needs manual locking and unlocking, is relatively complex to operate and has a relatively large degree of dependence on operators. Therefore, the automatic control trailer hook is available at present, automatic locking and unlocking can be realized by controlling the trailer hook, but part of the automatic control trailer hook has a complex structure, so that the locking and unlocking processes are slow in action, the connection tightness is poor, and the trailer hook is easy to fall off, so that potential safety hazards are easy to occur.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the intelligent trailer device and the control method are provided, and the overall structure is simplified on the premise of ensuring the connection tightness.
In order to solve the technical problems, the invention adopts the technical scheme that:
an intelligent trailer device comprises a front vehicle support, a rotating assembly and a telescopic mechanism electrically connected with a front vehicle control center;
one side of the front vehicle support is provided with an opening into which a rear vehicle trailer hook can be inserted, and a first end and a second end which are oppositely arranged on the upper side and the lower side of the opening;
the fixed end of the telescopic mechanism is arranged at the top of the first end, and the movable end of the telescopic mechanism penetrates through the top of the first end;
the rotating component is rotatably arranged at the second end;
an included angle formed between a straight line where the locking end of the rotating assembly is located and a straight line where the unlocking end of the rotating assembly is located is [60 degrees, 120 degrees ];
when the locking end points to the end far away from the front vehicle support, the unlocking end points to the telescopic mechanism, so that the rear vehicle trailer hook is inserted into the opening and can push the rotating assembly to rotate anticlockwise through the unlocking end until the locking end points to the telescopic mechanism, and the movable end of the telescopic mechanism can stretch out and limit the locking end.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a control method comprising the steps of;
s1, when a locking end is arranged towards one side where a rear car towing hook is located, the rear car towing hook moves towards one side where a front car support is located, and an unlocking end of a rocker is pushed to rotate anticlockwise;
s2, when the rocker rotates anticlockwise until the locking end points to the telescopic mechanism, the limiting sleeve extends out and is sleeved on the unlocking end of the rocker, and the rear trailer hook is locked;
and S3, after the driving assembly receives the unlocking signal, the limiting sleeve retracts, the rear car trailer hook drives the rocker to rotate clockwise under the driving of the rear car, and the rear car trailer hook is unlocked.
The invention has the beneficial effects that: according to the invention, through the matching of the rotating assembly and the telescopic mechanism and the driving of the trailer hook of the rear vehicle, automatic locking can be realized, and an unlocking instruction can be sent to the telescopic mechanism through the control center of the front vehicle, so that the telescopic mechanism is separated from the rotating assembly, and automatic unlocking is realized. The invention can tightly connect the rear trailer hook and the front trailer support, has high structural reliability, greatly improves the safety in the trailer process, has simple structure, is convenient for locking and unlocking, improves the unlocking and locking efficiency and realizes full-automatic control.
Drawings
Fig. 1 is a schematic structural view of an unlocked state of an intelligent trailer apparatus according to the present invention;
FIG. 2 is a schematic diagram of a locking process of an intelligent trailer apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of a locking state of an intelligent trailer device according to the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a first schematic view of a locking state of an intelligent trailer apparatus according to the present invention;
fig. 6 is a second schematic structural diagram illustrating a locked state of an intelligent trailer device according to the present invention.
Description of reference numerals:
1. a front vehicle support; 12. a first end; 13. a second end; 131. a limiting groove;
21. a locking end; 22. an unlocking end; 23. a rotation pin; 24. a rocker; 241. a locking arm; 242. an unlocking arm; 243. a gear;
3. a telescoping mechanism; 31. a drive assembly; 32. a limiting sleeve; 4. a rear car trailer hook; 5. an angle sensor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 6, an intelligent trailer device includes a front vehicle support, a rotating assembly, and a telescopic mechanism electrically connected to a front vehicle control center;
one side of the front vehicle support is provided with an opening into which a rear vehicle trailer hook can be inserted, and a first end and a second end which are oppositely arranged on the upper side and the lower side of the opening;
the fixed end of the telescopic mechanism is arranged at the top of the first end, and the movable end of the telescopic mechanism penetrates through the top of the first end;
the rotating component is rotatably arranged at the second end;
an included angle formed between a straight line where the locking end of the rotating assembly is located and a straight line where the unlocking end of the rotating assembly is located is [60 degrees ], and 120 degrees ];
when the locking end points to the end far away from the front vehicle support, the unlocking end points to the telescopic mechanism, so that the rear vehicle trailer hook is inserted into the opening and can push the rotating assembly to rotate anticlockwise through the unlocking end until the locking end points to the telescopic mechanism, and the movable end of the telescopic mechanism can stretch out and limit the locking end.
The working principle of the invention is as follows:
the rear car trailer hook drives the rotating assembly to rotate anticlockwise and locks the rotating assembly under the action of the telescopic mechanism, so that the front car support and the rear car trailer hook are tightly connected;
the movable end of the telescopic mechanism is controlled to retract through an instruction, so that the rotating assembly is unlocked, and the rotating assembly rotates clockwise under the driving of the rear car trailer hook, so that the unlocking of the front car support and the rear car trailer hook is realized.
From the above description, the beneficial effects of the present invention are: according to the invention, through the matching of the rotating assembly and the telescopic mechanism and the driving of the trailer hook of the rear vehicle, automatic locking can be realized, and an unlocking instruction can be sent to the telescopic mechanism through the control center of the front vehicle, so that the telescopic mechanism is separated from the rotating assembly, and automatic unlocking is realized. The invention can tightly connect the rear trailer hook and the front trailer support, has high structural reliability, greatly improves the safety in the trailer process, has simple structure, is convenient for locking and unlocking, improves the unlocking and locking efficiency and realizes full-automatic control.
Furthermore, the telescopic mechanism comprises a driving assembly and a limiting sleeve matched with the locking end;
the fixed end of the driving component is arranged at the top of the first end, and the movable end of the driving component penetrates through the top of the first end and is connected with the limiting sleeve to drive the limiting sleeve to move towards the second end.
According to the above description, the limiting sleeve is arranged and used for limiting the locking end of the rotating assembly so as to tightly lock the front car support and the rear car trailer hook, automatic locking is achieved, and the connection tightness is high.
Furthermore, the rotating assembly comprises a rotating pin and an L-shaped rocker, the rotating pin is located on an L-shaped intersection point of the rocker, locking arms and unlocking arms are respectively arranged on two sides of the L-shaped of the rocker, the end part, far away from the L-shaped intersection point, of each locking arm is a locking end, and the end part, far away from the L-shaped intersection point, of each unlocking arm is an unlocking end;
the rocker is rotatably connected to the second end via the pivot pin.
As can be seen from the above description, the provision of the pivot pin and the L-shaped rocker enables the rocker to be pivotally connected to the second end, ensuring the performance of the locking and unlocking actions.
Further, the length of the locking arm of the rocker is greater than or equal to the length of the unlocking arm of the rocker.
As can be seen from the above description, the length of the locking arm of the rocker is greater than or equal to the length of the unlocking arm, ensuring that the rear trailer hook can push the unlocking arm to rotate and enabling the volume of the front carriage support to be reduced as much as possible.
Further, an angle sensor electrically connected with the telescopic mechanism is arranged on the lower side of the rotating pin.
According to the above description, the angle sensor is arranged for sensing the rotation angle of the rotating assembly, so that after the rotating assembly rotates to the position, the movable end of the telescopic mechanism is controlled to stretch out and be connected with the locking end of the rotating assembly, the rear trailer hook and the front trailer support are locked, and automatic control is achieved.
Furthermore, a limit groove is formed in the second end;
the rocker is arranged in the limiting groove, and the rotating pins sequentially penetrate through two side walls of the limiting groove;
when the unlocking end of the rocker is perpendicular to the bottom of the limiting groove, the locking end of the rocker can be pressed against the bottom of the limiting groove;
and when the locking end of the rocker is perpendicular to the bottom of the limiting groove, the unlocking end of the rocker can be pressed against the bottom of the limiting groove.
The limiting groove is arranged, so that the rotating assembly can always rotate within the range of 0 to 90 degrees, the rear trailer hook can be ensured to drive the rotating assembly to rotate no matter the rear trailer hook moves forwards or backwards, and the reliability of the rotating assembly is improved.
The intelligent trailer device is usually arranged at the tail part of the carrier and used for towing a rear vehicle.
Example one
Referring to fig. 1-6, an intelligent trailer device comprises a front vehicle support 1, a rotating assembly and a telescopic mechanism 3 electrically connected with a front vehicle control center; one side of the front vehicle support 1 is provided with an opening into which the rear vehicle trailer hook 4 can be inserted, and a first end 12 and a second end 13 which are oppositely arranged at the upper side and the lower side of the opening; the fixed end of the telescopic mechanism 3 is arranged at the top of the first end 12, and the movable end of the telescopic mechanism 3 passes through the top of the first end 12; the rotating component is rotatably arranged at the second end 13; an included angle formed between a straight line where the locking end 21 of the rotating assembly is located and a straight line where the unlocking end 22 of the rotating assembly is located is [60 degrees ], 120 degrees ]; when locking end 21 points to the one end of keeping away from preceding car support 1 place, the directional telescopic machanism 3 setting of unblock end 22 makes rear car tow hook 4 insert when opening can promote the runner assembly anticlockwise rotation through unblock end 22, until locking end 21 points to telescopic machanism 3, and telescopic machanism 3's expansion end can stretch out and spacing locking end 21. Preferably, the angle formed between the line of the locking end 21 of the rotating assembly and the line of the unlocking end 22 of the rotating assembly is 90 °.
Referring to fig. 4, the telescoping mechanism 3 includes a driving assembly 31 and a stop collar 32 matching the locking end 21; the fixed end of the driving component 31 is installed on the top of the first end 12, and the movable end of the driving component 31 passes through the top of the first end 12 and is connected with the position limiting sleeve 32, so as to drive the position limiting sleeve 32 to move towards the second end 13. Specifically, the driving assembly 31 is an electrically controlled piston, such as an air cylinder or a hydraulic cylinder, and the driving assembly 31 may also be an electric push rod.
Referring to fig. 4, the rotating assembly includes a rotating pin 23 and an L-shaped rocker 24, the rotating pin 23 is located at an L-shaped intersection of the rocker 24, two sides of the L-shaped of the rocker 24 are respectively a locking arm 241 and an unlocking arm 242, an end of the locking arm 241 far away from the L-shaped intersection is a locking end 21, and an end of the unlocking arm 242 far away from the L-shaped intersection is an unlocking end 22; the rocker 24 is rotatably connected to the second end 13 by means of a pivot pin 23.
Referring to fig. 4, the length of the locking arm 241 is greater than or equal to the length of the unlocking arm 242. Preferably, the length of the locking arm 241 of the rocker 24 is equal to the length of the unlocking arm 242 of the rocker 24, so that when the rocker 24 rotates, the locking arm 241 and the unlocking arm 242 can be balanced, that is, when the locking arm 241 is located below the stop collar 32 and the rear trailer hook 4 is far away from the front seat 1, the locking arm 241 is dragged by the rear trailer hook 4 and the rotation angle is greater than 45 degrees, and then the locking arm 241 automatically falls down; or when the unlocking arm 242 is located below the stop collar 32 and the rear vehicle trailing hook 4 is moved towards the front vehicle support 1, the unlocking arm 242 automatically falls down after the unlocking arm 242 has been pushed by the rear vehicle trailing hook 4 and the angle of rotation is greater than 45 °, and the locking arm 241 will be inserted into the rear vehicle trailing hook 4. In order to ensure that the locking arm 241 can be inserted into the rear trailer hook 4, the ratio of the length of the locking arm 241 to the length of the rear trailer hook 4 is 1 to (1.5 to 2).
Referring to fig. 4 to 6, an angle sensor 5 electrically connected to the telescopic mechanism 3 is provided at the lower side of the rotation pin 23. Preferably, the angle sensor 5 is a hall sensor. Specifically, a gear 243 with a circumferential angle of 150 ° is processed at the outer circumference of the L-shaped intersection of the rocker 24, an angle sensor 5 is installed at the bottom of the front vehicle support 1, and the rotating angle of the rocker 24 can be obtained by detecting the number of gears of the angle sensor and combining the outer diameter parameters of the gears in the rotating process.
Referring to fig. 1 and 4, the second end 13 is provided with a limiting groove 131; the rocker 24 is arranged in the limiting groove 131, and the rotating pin 23 sequentially penetrates through two side walls of the limiting groove 131; when the unlocking end 22 of the rocker 24 is perpendicular to the bottom of the limiting groove 131, the locking end 21 of the rocker 24 can be pressed against the bottom of the limiting groove 131; and when the locking end 21 of the rocker 24 is perpendicular to the bottom of the limiting groove 131, the unlocking end 22 of the rocker 24 can be pressed against the bottom of the limiting groove 131. Specifically, the rotation center of the rocker 24 is located in the middle of the limiting groove 131, so that the locking arm 241 can be limited by the base when the rocker 24 rotates clockwise by 90 ° or the unlocking arm 242 can be limited by the base when the rocker 24 rotates counterclockwise by 90 °.
Example two
A control method comprising the steps of:
s1, when a locking end 21 is arranged towards one side where a rear car towing hook 4 is located, the rear car towing hook 4 moves towards one side where a front car support 1 is located, and an unlocking end 22 of a rocker 24 is pushed to rotate anticlockwise;
s2, when the rocker 24 rotates anticlockwise until the locking end 21 points to the telescopic mechanism 3, the limiting sleeve 32 extends out and is sleeved on the unlocking end 22 of the rocker 24, and the rear trailer hook 4 is locked;
and S3, when the driving assembly 31 receives an unlocking signal, the limiting sleeve 32 retracts, the rear car trailer hook 4 drives the rocker 24 to rotate clockwise under the driving of the rear car, and the rear car trailer hook 4 is unlocked.
In summary, the intelligent trailer device provided by the invention is provided with the L-shaped rocker, can realize automatic locking under the driving of the rear trailer hook, and locks the rocker under the matching of the limiting sleeve, so that the rear trailer hook is tightly connected with the front vehicle, and further the front vehicle is tightly connected with the rear vehicle. Owing to be provided with angle sensor, consequently can realize monitoring the turned angle of rocker, rotate when the rocker and target in place the back, accessible drive assembly drive stop collar stretches out and is connected with the rocker to when needs unblock, can control drive assembly through the control center of front truck and with the stop collar withdrawal, realize automatic control. The trailer device can realize full-automatic locking and unlocking of the trailer hook, and has the advantages of simple structure, high connection tightness and strong reliability.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (4)
1. An intelligent trailer device is characterized by comprising a front vehicle support, a rotating assembly and a telescopic mechanism electrically connected with a front vehicle control center;
one side of the front vehicle support is provided with an opening into which a rear vehicle trailer hook can be inserted, and a first end and a second end which are oppositely arranged on the upper side and the lower side of the opening;
the fixed end of the telescopic mechanism is arranged at the top of the first end, and the movable end of the telescopic mechanism penetrates through the top of the first end;
the rotating component is rotatably arranged at the second end;
an included angle formed between a straight line where the locking end of the rotating assembly is located and a straight line where the unlocking end of the rotating assembly is located is [60 degrees ], and 120 degrees ];
when the locking end points to the end far away from the front vehicle support, the unlocking end points to the telescopic mechanism, so that when the rear vehicle trailer hook is inserted into the opening, the rotating assembly can be pushed by the unlocking end to rotate anticlockwise until the locking end points to the telescopic mechanism, and the movable end of the telescopic mechanism can extend out and limit the locking end;
the telescopic mechanism comprises a driving assembly and a limiting sleeve matched with the locking end;
the fixed end of the driving component is arranged at the top of the first end, and the movable end of the driving component penetrates through the top of the first end and is connected with the limiting sleeve and used for driving the limiting sleeve to move towards the second end;
the rotating assembly comprises a rotating pin and an L-shaped rocker, the rotating pin is positioned on an L-shaped intersection point of the rocker, a locking arm and an unlocking arm are respectively arranged on two sides of the L-shaped of the rocker, the end part, far away from the L-shaped intersection point, of the locking arm is a locking end, and the end part, far away from the L-shaped intersection point, of the unlocking arm is an unlocking end;
the rocker is rotatably connected with the second end through the rotating pin; a gear with a circumferential angle of 150 degrees is processed at the outer circumference of the L-shaped intersection point of the rocker, and an angle sensor is installed at the bottom of the front vehicle support.
2. An intelligent trailer arrangement as claimed in claim 1, wherein the length of the latching arm is greater than or equal to the length of the unlatching arm.
3. The intelligent trailer device of claim 1, wherein the second end is provided with a limiting groove;
the rocker is arranged in the limiting groove, and the rotating pins sequentially penetrate through two side walls of the limiting groove;
when the unlocking end of the rocker is perpendicular to the bottom of the limiting groove, the locking end of the rocker can be pressed against the bottom of the limiting groove;
and when the locking end of the rocker is perpendicular to the bottom of the limiting groove, the unlocking end of the rocker can be pressed against the bottom of the limiting groove.
4. A control method applied to the intelligent trailer device according to any one of claims 1 to 3, characterized by comprising the following steps:
s1, when a locking end is arranged towards one side where a rear car towing hook is located, the rear car towing hook moves towards one side where a front car support is located, and an unlocking end of a rocker is pushed to rotate anticlockwise;
s2, when the rocker rotates anticlockwise until the locking end points to the telescopic mechanism, the limiting sleeve extends out and is sleeved on the unlocking end of the rocker, and the rear trailer hook is locked;
and S3, after the driving assembly receives the unlocking signal, the limiting sleeve retracts, the rear car trailer hook drives the rocker to rotate clockwise under the driving of the rear car, and the rear car trailer hook is unlocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556177.XA CN113135075B (en) | 2021-05-21 | 2021-05-21 | Intelligent trailer device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556177.XA CN113135075B (en) | 2021-05-21 | 2021-05-21 | Intelligent trailer device and control method |
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| Publication Number | Publication Date |
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| CN113135075A CN113135075A (en) | 2021-07-20 |
| CN113135075B true CN113135075B (en) | 2023-01-31 |
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| CN202110556177.XA Active CN113135075B (en) | 2021-05-21 | 2021-05-21 | Intelligent trailer device and control method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683992B (en) * | 2022-03-31 | 2023-12-29 | 上汽通用五菱汽车股份有限公司 | Logistics vehicle and control method thereof |
| CN115008954B (en) * | 2022-08-09 | 2022-11-15 | 江苏美凤力医疗科技有限公司 | Transfer trailer for large animal experiments |
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|---|---|---|---|---|
| EP1382467A1 (en) * | 2002-06-12 | 2004-01-21 | Bradley Doublelock Limited | Coupling device |
| CN104746303A (en) * | 2013-12-27 | 2015-07-01 | 伊利诺斯工具制品有限公司 | Door lock |
| CN207902051U (en) * | 2018-01-02 | 2018-09-25 | 北京汽车股份有限公司 | trailer hook device and vehicle |
| CN207955228U (en) * | 2018-02-02 | 2018-10-12 | 常州凯润科技有限公司 | It is a kind of quickly to open locking towing hook |
| CN112722313A (en) * | 2021-03-01 | 2021-04-30 | 重庆达航工业有限公司 | Towing pin locking device of aircraft tractor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10538133B2 (en) * | 2016-05-19 | 2020-01-21 | Bestop, Inc. | Tow hook step combination |
-
2021
- 2021-05-21 CN CN202110556177.XA patent/CN113135075B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1382467A1 (en) * | 2002-06-12 | 2004-01-21 | Bradley Doublelock Limited | Coupling device |
| CN104746303A (en) * | 2013-12-27 | 2015-07-01 | 伊利诺斯工具制品有限公司 | Door lock |
| CN207902051U (en) * | 2018-01-02 | 2018-09-25 | 北京汽车股份有限公司 | trailer hook device and vehicle |
| CN207955228U (en) * | 2018-02-02 | 2018-10-12 | 常州凯润科技有限公司 | It is a kind of quickly to open locking towing hook |
| CN112722313A (en) * | 2021-03-01 | 2021-04-30 | 重庆达航工业有限公司 | Towing pin locking device of aircraft tractor |
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| Publication number | Publication date |
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| CN113135075A (en) | 2021-07-20 |
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