CN110667322A - Rotating disc type locking mechanism and operation method thereof - Google Patents
Rotating disc type locking mechanism and operation method thereof Download PDFInfo
- Publication number
- CN110667322A CN110667322A CN201910937076.XA CN201910937076A CN110667322A CN 110667322 A CN110667322 A CN 110667322A CN 201910937076 A CN201910937076 A CN 201910937076A CN 110667322 A CN110667322 A CN 110667322A
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- locking
- disc
- air chamber
- pliers
- mounting
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/58—Auxiliary devices
- B60D1/583—Holding down means, e.g. holding down retainers
Abstract
The invention discloses a rotating disc type locking mechanism and an operation method thereof, wherein the rotating disc type locking mechanism comprises the following steps: the device comprises a transition mounting disc, a guide pipe column, a rotating disc, a mounting bracket, locking pliers and a locking air chamber; the transition mounting disc is fixedly connected with the rotating disc and is externally connected with the upper rotating part; the locking pliers are fixedly connected with the mounting bracket, and the mounting bracket is externally connected with the lower rotating part; a guide hole is processed on the mounting bracket; the locking pliers are fixedly connected with the locking air chamber; the top of the guide pipe column is fixedly connected with the transition mounting disc, and the bottom of the guide pipe column extends into the guide hole of the mounting bracket; the guide pipe column can rotate in the guide hole under the drive of the external rotating part; the rotary disc and the locking pliers are coaxially mounted, and a preset gap is reserved; the locking air chamber can push the locking pliers to clamp the rotating disc after ventilation. The invention improves the operation convenience; the front frame and the rear frame of the full trailer do not need to be in a linear state, and locking can be achieved.
Description
Technical Field
The invention belongs to the technical field of a reversing locking mechanism, relates to a reversing locking mechanism for light, medium and heavy full trailers, and particularly relates to a rotating disc type locking mechanism and an operation method thereof.
Background
The current full trailer that has a rotary table system, locking mechanism when backing a car is bolt formula structure, need the operating personnel operation of getting off in the use, when the frame is not on a straight line around full trailer, the bolt is difficult to insert the spacing downthehole of locking, and there is bolt or the spacing hole of locking to warp after using a period, be not convenient for operate, sometimes the bolt can't insert the spacing hole of locking, full trailer carousel will unable locking, full trailer direction of backing a car is uncertain, can't realize backing a car smoothly according to driver's intention.
In summary, a new turntable type locking mechanism is needed.
Disclosure of Invention
The present invention is directed to a rotary disc type locking mechanism and a method of operating the same to solve one or more of the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a rotating disc type locking mechanism, which comprises: the device comprises a transition mounting disc, a guide pipe column, a rotating disc, a mounting bracket, locking pliers and a locking air chamber; the transition mounting disc is fixedly connected with the rotating disc and is externally connected with an upper rotating part; the locking pliers are fixedly connected with the mounting bracket, and the mounting bracket is used for externally connecting a lower rotating part; the mounting bracket is provided with a guide hole; the locking pliers are fixedly connected with the locking air chamber; the top of the guide pipe column is fixedly connected with the transition mounting disc, and the bottom of the guide pipe column extends into the guide hole of the mounting bracket; the guide pipe column can rotate in the guide hole under the driving of the external rotating part; the rotating disc and the locking pliers are coaxially mounted, and a preset gap is reserved; the locking air chamber can push the locking pliers to clamp the rotating disc after ventilation.
The invention is further improved in that the transition mounting plate is cylindrical; a counter bore is processed on the end face of one end of the transition mounting disc, the counter bore is a first mounting hole, and the first mounting hole is used for externally connecting an upper rotating part; and a through hole is processed on the bottom surface of the counter bore, the through hole is a second mounting hole, and the second mounting hole is used for mounting the guide pipe column.
The invention has the further improvement that a connecting threaded hole is processed on the bottom surface of the counter bore of the transitional mounting plate, and a connecting flange is arranged at the top of the guide pipe column; the connecting threaded hole is used for installing the connecting flange.
The invention is further improved in that the rotating disc is of a hollow structure, and the horizontal section of the rotating disc is circular.
In a further development of the invention, the guide column is of circular tubular construction.
The invention is further improved in that the locking pliers are of a single-pliers structure.
The invention further improves the method and also comprises the following steps: a control system; the control system includes: the device comprises a first three-way joint, a normally closed electromagnetic valve, a mechanical control valve and a second three-way joint; the inlet of the first three-way joint is used for air inlet, and the outlet of the first three-way joint is respectively communicated with the normally closed electromagnetic valve and the mechanical control valve; an outlet of the second three-way joint is communicated with the locking air chamber, and an inlet of the second three-way joint is respectively communicated with the normally closed electromagnetic valve and the mechanical control valve;
when the main car is in reverse gear, the main car sends a control signal to the normally closed solenoid valve, the normally closed solenoid valve is opened, the air source is connected to the locking air chamber through the two three-way connectors and the normally closed solenoid valve, and the air source pushes the locking air chamber to realize locking on the turntable through the locking pliers; and opening the mechanical control valve, enabling the air source to pass through the two three-way joints and the mechanical control valve to reach the locking air chamber, and enabling the air source to push the locking air chamber to realize locking on the rotary table through the locking pliers.
The invention has the further improvement that a 2mm gap is preset between the locking pliers and the locking disc; the air pressure of the locking air chamber is the same as that of the main vehicle, and the pressure is 0.8-1.0 MPa.
The operation method of the turntable type locking mechanism comprises the following steps:
step 1, connecting a mounting bracket with a lower frame;
and step 3: connecting the guide pipe column, the transition mounting disc and the rotating disc which are connected into a whole to the upper frame;
and 4, step 4: connecting the locking pliers with the mounting bracket;
and 5: connecting the locking air chamber with locking pliers;
step 6: and the control gas circuit is communicated with the locking gas chamber.
Compared with the prior art, the invention has the following beneficial effects:
according to the novel rotary disc type locking mechanism, the existing bolt type locking mechanism is improved into the rotary disc type locking mechanism, and compared with the original structure, the novel rotary disc type locking mechanism improves the operation convenience under the same operation condition; the front frame and the rear frame of the full trailer do not need to be in a linear state, and locking can be realized; the bolt type structure is cancelled, and the problem of deformation of the locking mechanism can be avoided in the using process. The invention has simple and reasonable structure and is an effective and beneficial improvement.
Furthermore, the invention is designed redundantly and is provided with the mechanical control valve, when the control mode of the electromagnetic valve fails, the locking and releasing functions of the rotary disc can be realized by operating the mechanical control valve, and the use reliability of the system is improved. The electromagnetic valve control mode and the manual mechanical control valve mode adopt a parallel connection mode, are not influenced mutually and are complementary. Meanwhile, the locking mechanism is controlled by a reverse gear signal of the main vehicle, and when the main vehicle is in reverse gear, the reverse gear signal controls the electromagnetic valve to realize locking of the locking mechanism; when the reverse gear of the main vehicle is released, the reverse gear signal controls the electromagnetic valve to release the locking mechanism, and the locking mechanism does not need human intervention and getting-off operation in the use process and can completely realize automatic control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is an exploded view of a rotating disc locking mechanism in accordance with an embodiment of the present invention;
FIG. 2 is an isometric view of a rotating disc locking mechanism of an embodiment of the present invention;
fig. 3 is an appearance structure schematic diagram of a rotating disc type locking mechanism of the embodiment of the invention; wherein, fig. 3 (a) is a schematic front view, fig. 3 (b) is a schematic left view, and fig. 3 (c) is a schematic top view;
FIG. 4 is a schematic structural diagram of a rotating disk in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a transition mounting plate according to an embodiment of the present invention;
FIG. 6 is a schematic illustration of a steering column according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a locking clamp in an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a lock-up plenum in an embodiment of the present invention;
FIG. 9 is a schematic view of a mounting bracket according to an embodiment of the present invention;
fig. 10 is a schematic control diagram of a turntable type locking mechanism according to an embodiment of the present invention;
in fig. 1 to 10, 1, a bolt; 2. a transitional mounting plate; 3. a nut; 4. guiding the pipe column; 5. rotating the disc; 6. locking pliers; 7. locking the air chamber; 8. mounting a bracket; 9. a first three-way joint; 10. a normally closed solenoid valve; 11. a mechanical control valve.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following clearly and completely describes the technical solution of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention; it is to be understood that the described embodiments are only some of the embodiments of the present invention. Other embodiments, which can be derived by one of ordinary skill in the art from the disclosed embodiments without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, a turntable type locking mechanism according to an embodiment of the present invention includes: the device comprises a bolt 1, a transition mounting disc 2, a nut 3, a guide pipe column 4, a rotating disc 5, locking pliers 6, a locking air chamber 7 and a mounting bracket 8. The rotating disc 5 is of a circular hollow structure and is coaxially mounted with the locking pliers 6, and the locking pliers 6 are of a single-pliers structure and are provided with locking air chambers 7; the locking pliers 6 are fixedly connected with the mounting bracket 8 through bolts 1; a circular tubular guide pipe column 4 is arranged in the rotating disc 5, a positioning shaft hole is formed in the mounting support 8, the upper portion of the guide pipe column 4 is fixedly connected with the transition mounting disc 2 through a bolt 1, and the lower portion of the guide pipe column penetrates through the positioning shaft hole of the mounting support 8.
The transition mounting disc 2 adopts a cylindrical hollow concave structure, and concentric mounting holes are uniformly distributed in an inner ring and an outer ring; the guide pipe column 4 is of a flange surface circular pipe structure, and concentric mounting holes are uniformly distributed on the flange surface; the rotating disc 5 is a cylindrical hollow I-shaped structure, the upper end of the I-shaped structure is provided with a mounting hole, the lower end of the I-shaped structure is provided with a brake disc, and the brake disc is provided with heat dissipation holes. The locking pliers 6 are of a semicircular arc-shaped structure, and are provided with mounting interfaces with the beam mounting hole and the locking air chamber 7. A2 mm gap is preset between the locking pliers 6 and the rotating disc 5 (locking disc).
The structure of the locking air chamber 7 is universal to the structure of the existing vehicle brake air chamber; the locking air chamber 7 is provided with a push rod, the air source can push the push rod of the locking air chamber 7, and the push rod can push the friction block assembly through the caliper body to clamp the turntable; the air pressure of the locking air chamber 7 is the same as that of the main vehicle, and the pressure is 0.8 MPa-1.0 MPa.
The mounting bracket 8 is of a U-shaped structure, mounting holes connected with a frame are designed at two ends of the mounting bracket, and a locking clamp 6 mounting hole and a guide pipe column guide hole are designed at the bottom of the beam.
In the embodiment of the invention, the locking mechanism can clamp and lock the rotating disk 5 by pushing the locking pliers 6 through the locking air chamber 7. The locking pliers 6 comprise the following components: rotating arm, piston cylinder, clutch blocks assembly, clamp plate etc.. The locking air chamber 7 comprises the following parts: air inlet, gas vent, air chamber diaphragm, air chamber push rod, return spring etc.. During operation, an air source enters from an air inlet of the locking air chamber 7, compressed air pushes an air chamber diaphragm forwards, the air chamber diaphragm deforms to push an air chamber push rod to move forwards, the air chamber push rod pushes the locking inner caliper rotating arm, the rotating arm rotates to push the piston cylinder, the piston cylinder pushes the friction block assembly, the friction block assembly is provided with the dynamic friction block assembly through the pressure plate, a gap between the friction block assembly and the rotary table is eliminated, and locking is achieved for the rotary table. After the air source is cut off, the locking air chamber 7 pushes the air chamber push rod and the air chamber diaphragm under the action of the return spring, air in the locking air chamber 7 is discharged, and the turntable is released.
In the embodiment of the invention, the transition mounting disc 2 is provided with two coaxial mounting holes, and the middle of the transition mounting disc is of a sunken hollow structure, namely a counter bore structure.
In the embodiment of the present invention, the guiding column 4 is a circular tubular structure and is provided with a mounting flange (i.e. a connecting flange).
Referring to fig. 3 to 9, a turntable type locking mechanism according to an embodiment of the present invention includes: a transition mounting disc 2 with a circular section is arranged on the rotating disc 5, two groups of mounting holes are arranged on the transition mounting disc 2, one group is used for connecting the upper rotating part and the rotating disc 5, and the other group is used for connecting the guide pipe column 4; the transition mounting disc 2, the rotating disc 5 and the guide pipe column 4 are connected into a whole through the bolt 1 and can freely rotate around a positioning shaft hole (guide hole) on the mounting bracket 8.
The locking air chamber 7 is connected with the locking pliers 6 into a whole through the bolt 1, the locking pliers 6 is connected with the mounting bracket 8 into a whole through the bolt 1, and the locking pliers 6 and the rotating disk 5 are coaxially mounted and leave a certain gap with the mounting bracket 8.
The mounting bracket 8 is connected with the lower rotating part through the bolt 1, and the rotating disc 5 and the locking pliers 6 after being mounted can rotate coaxially and freely left and right.
Specifically, the upper wing surface of the transition mounting plate 2 is connected to the upper rotating member by a bolt 1. The left and right sides of the mounting bracket 8 are connected with the lower rotating member by bolts 1.
Referring to fig. 10, in the method for operating a turntable type locking mechanism according to the embodiment of the present invention, the locking mechanism is designed with two operation modes, one is controlled by a manual mechanical valve, the other is controlled by an electromagnetic valve, the two control logics are connected in parallel, and the electromagnetic valve control mode is controlled by a main vehicle reverse gear signal.
In the control system of the embodiment of the invention, the normally closed electromagnetic valve 10 and the mechanical control valve 11 are connected in parallel through an air pipeline and a three-way joint. One end of a first three-way joint 9 is connected with one end of a gas pipe, one end of the other two ends of the first three-way joint 9 is connected with a normally closed solenoid valve 10 through the gas pipe, one end of the first three-way joint is connected with a mechanical control valve 11 through the gas pipe, and the gas pipe coming out of the normally closed solenoid valve 10 and the mechanical control valve 11 is finally connected with a locking gas chamber 7 through the three-way joint. The control system has two control modes: an electromagnetic valve control mode and a manual mechanical valve control mode, and the electromagnetic valve and the mechanical control valve 11 are both in a normally closed state. Wherein the solenoid valve control mode is automatic control, and control signal derives from the owner's car, and when the owner's car hung the reverse gear, the owner gives normally closed solenoid valve 10 a control signal, and normally closed solenoid valve 10 is opened, and the air supply passes through three way connection, normally closed solenoid valve 10 to locking air chamber 7, and the air supply promotes locking air chamber 7 and realizes the locking through locking pincers 6 counter rotating disk. The manual mechanical valve control mode is generally used when the electromagnetic valve control mode breaks down, the mechanical control valve 11 is opened, the air source passes through the three-way joint and the mechanical control valve 11 to the locking air chamber 7, and the air source pushes the locking air chamber 7 to lock the turntable through the locking pliers 6.
In the invention, the automatic control is in the electromagnetic valve control mode, when backing and locking, the electromagnetic valve receives a reverse gear signal from the main vehicle, the normally closed electromagnetic valve 10 is electrified, the normally closed electromagnetic valve 10 is opened, the air source pushes the push rod of the locking air chamber 7, and the push rod pushes the friction block assembly through the caliper body to clamp the turntable; when the main vehicle reversing instruction finishes engaging the forward gear or the neutral gear, the normally closed solenoid valve 10 is powered off, the normally closed solenoid valve 10 cuts off the air source, the locking air chamber 7 is powered off, and locking is released. All the above operations need no human intervention in the locking and unlocking process of the turntable.
The operation method of the rotating disc type locking mechanism provided by the embodiment of the invention comprises the following steps:
step 1, connecting a mounting bracket 8 with a lower frame through a bolt;
and step 3: the guide pipe column 4 and the transition mounting disc 2 which are connected into a whole are connected with the upper frame through bolts and the rotating disc 5;
and 4, step 4: connecting the locking pliers 6 with the mounting bracket 8 through bolts;
and 5: connecting the locking air chamber 7 with the locking pliers 6 through the locking air chamber 7 by bolts;
step 6: and connecting the control gas circuit and the circuit.
The working principle of the locking mechanism of the invention is as follows: the rotary disk is connected with the upper portion mechanism of the full trailer steering wheel, the locking pliers are connected with the lower portion mechanism of the steering wheel through the mounting support, the rotary disk and the locking pliers can rotate along the same axis, and the locking pliers are pushed to achieve locking of the rotary disk through air supply to the locking air chamber. The locking structure is designed with two operation modes, one is controlled by a manual mechanical valve, the other is controlled by an electromagnetic valve, and the two control logics are connected in parallel. The control mode of the electromagnetic valve is controlled by a reverse gear signal of the main vehicle, the electromagnetic valve is in a normally closed state, when the main vehicle is in reverse gear, the normally closed electromagnetic valve is opened to supply air to the locking air chamber, and the diaphragm chamber pushes the locking pliers to realize reverse locking of the turntable system.
In summary, the invention provides a novel rotary disc type locking structure for solving the defects existing in the use process of the bolt type locking mechanism of the full trailer at present, wherein a rotary disc is of a circular hollow structure and is coaxially installed with a locking clamp; the locking pliers are of a single-pliers structure and are provided with locking air chambers, and the locking pliers are fixedly connected with the mounting bracket through bolts; a circular tubular guide column is arranged in the rotating disc, the upper part of the guide column is fixedly connected with the transition mounting disc through a bolt, and the lower part of the guide column penetrates through a mounting bracket positioning shaft hole. The original bolt type locking mechanism is improved into the rotary disc type locking mechanism, compared with the original structure, the operation convenience is improved under the same operation condition, and the front frame and the rear frame of the full trailer are not required to be in a linear state and can be locked; because the bolt type structure is cancelled, the problem of deformation of the locking mechanism is avoided in the using process. Meanwhile, the locking mechanism can be controlled by a reverse gear signal of the main vehicle, and when the main vehicle is in reverse gear, the reverse gear signal controls the electromagnetic valve to realize locking of the locking mechanism; when the main car is in reverse gear release, the reverse gear signal controls the electromagnetic valve to release the locking mechanism, and the locking mechanism does not need human intervention in the use process, so that automatic control is completely realized. The invention has simple and reasonable structure and is an effective and beneficial improvement. The improvement of the invention is suitable for the locking mechanism of the light, medium and heavy full trailer.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (9)
1. A carousel locking mechanism, its characterized in that includes: the device comprises a transition mounting disc (2), a guide pipe column (4), a rotating disc (5), a mounting bracket (8), locking pliers (6) and a locking air chamber (7);
the transition mounting disc (2) is fixedly connected with the rotating disc (5), and the transition mounting disc (2) is externally connected with an upper rotating part;
the locking pliers (6) are fixedly connected with the mounting bracket (8), and the mounting bracket (8) is externally connected with a lower rotating component; a guide hole is processed in the mounting bracket (8); the locking pliers (6) are fixedly connected with the locking air chamber (7);
the top of the guide pipe column (4) is fixedly connected with the transition mounting disc (2), and the bottom of the guide pipe column (4) extends into a guide hole of the mounting bracket (8); the guide pipe column (4) can rotate in the guide hole under the driving of the external rotating part;
the rotating disc (5) and the locking pliers (6) are coaxially mounted, and a preset gap is reserved; the locking air chamber (7) can push the locking pliers (6) to clamp the rotating disc (5) after ventilation.
2. A carousel locking mechanism as claimed in claim 1, wherein the transition mounting disc (2) is cylindrical; a counter bore is machined in the end face of one end of the transition mounting disc (2), the counter bore is a first mounting hole, and the first mounting hole is used for being externally connected with an upper rotating part; and a through hole is processed on the bottom surface of the counter bore, the through hole is a second mounting hole, and the second mounting hole is used for mounting the guide pipe column (4).
3. The rotating disc type locking mechanism is characterized in that a connecting threaded hole is machined in the bottom surface of a counter bore of the transition mounting disc (2), and a connecting flange is arranged at the top of the guide pipe column (4); the connecting threaded hole is used for installing the connecting flange.
4. A carousel locking mechanism according to claim 1, wherein the rotating disk (5) is hollow and has a circular horizontal cross-section.
5. A carousel locking mechanism as claimed in claim 1, wherein the steering column (4) is of circular tubular construction.
6. A carousel locking mechanism according to claim 1, wherein the locking pliers (6) are of a single pliers configuration.
7. The rotary disc locking mechanism of claim 1, further comprising: a control system; the control system includes: the device comprises a first three-way joint (9), a normally closed solenoid valve (10), a mechanical control valve (11) and a second three-way joint;
an inlet of the first three-way joint (9) is used for air inlet, and an outlet of the first three-way joint (9) is respectively communicated with a normally closed electromagnetic valve (10) and a mechanical control valve (11);
the outlet of the second three-way joint is communicated with the locking air chamber (7), and the inlet of the second three-way joint is respectively communicated with the normally closed electromagnetic valve (10) and the mechanical control valve (11);
when the main car is in reverse gear, the main car sends a control signal to the normally closed solenoid valve (10), the normally closed solenoid valve (10) is opened, an air source is connected to the locking air chamber (7) through the two three-way connectors and the normally closed solenoid valve (10), and the air source pushes the locking air chamber (7) to lock the turntable through the locking pliers (6); and (3) opening the mechanical control valve (11), enabling the air source to pass through two three-way joints and the mechanical control valve (11) to the locking air chamber (7), and enabling the air source to push the locking air chamber (7) to realize locking on the turntable through the locking pliers (6).
8. The rotating disc type locking mechanism according to claim 1, wherein a 2mm gap is preset between the locking pliers (6) and the rotating disc (5); the air pressure of the locking air chamber (7) is the same as that of the main vehicle, and the pressure is 0.8-1.0 MPa.
9. A method of operating a carousel locking mechanism as claimed in any one of claims 1 to 8, comprising the steps of:
step 1, connecting a mounting bracket (8) with a lower frame;
step 2, connecting the guide pipe column (4) and the transition mounting disc (2) into a whole;
and step 3: connecting the guide pipe column (4), the transition mounting disc (2) and the rotating disc (5) which are connected into a whole to the upper frame;
and 4, step 4: connecting the locking pliers (6) with the mounting bracket (8);
and 5: connecting the locking air chamber (7) with the locking pliers (6);
step 6: and a control gas circuit communicated with the locking gas chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937076.XA CN110667322B (en) | 2019-09-29 | 2019-09-29 | Rotating disc type locking mechanism and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937076.XA CN110667322B (en) | 2019-09-29 | 2019-09-29 | Rotating disc type locking mechanism and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110667322A true CN110667322A (en) | 2020-01-10 |
| CN110667322B CN110667322B (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910937076.XA Active CN110667322B (en) | 2019-09-29 | 2019-09-29 | Rotating disc type locking mechanism and operation method thereof |
Country Status (1)
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| CN (1) | CN110667322B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934172A (en) * | 1962-07-12 | 1963-08-14 | Girling Ltd | Improvements relating to disc brakes |
| GB1075802A (en) * | 1963-08-29 | 1967-07-12 | Frederick John Charles Hope | Anti jack-knife device for use with fifth-wheel couplings particularly on articulated vehicles |
| GB1307061A (en) * | 1969-01-31 | 1973-02-14 | Monnery D W | Articulated vehicle control system |
| US3874699A (en) * | 1968-11-23 | 1975-04-01 | Artiloc Inc | Devices for inhibiting the jack-knifing of articulated vehicles |
| US3985369A (en) * | 1972-02-10 | 1976-10-12 | Artiloc U.S.A. Inc. | Protective cover for an anti-jack knife device |
| CN2051905U (en) * | 1989-07-06 | 1990-01-31 | 姜卫东 | Lockup device capable of backing and steering for full trailer |
| AU2010241199A1 (en) * | 2010-11-03 | 2012-05-17 | Raymond Todd Wedd | Tow shield assembly |
| CN202357820U (en) * | 2011-11-18 | 2012-08-01 | 中国重汽集团泰安五岳专用汽车有限公司 | Locking device for rotary table of trailer |
| CN202541664U (en) * | 2012-04-19 | 2012-11-21 | 天津港集装箱码头有限公司 | Trailer reversing positioning device |
| CN204109711U (en) * | 2014-10-10 | 2015-01-21 | 陕西重型汽车有限公司 | A kind of independent trailer reversing automatic locking apparatus |
-
2019
- 2019-09-29 CN CN201910937076.XA patent/CN110667322B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934172A (en) * | 1962-07-12 | 1963-08-14 | Girling Ltd | Improvements relating to disc brakes |
| GB1075802A (en) * | 1963-08-29 | 1967-07-12 | Frederick John Charles Hope | Anti jack-knife device for use with fifth-wheel couplings particularly on articulated vehicles |
| US3874699A (en) * | 1968-11-23 | 1975-04-01 | Artiloc Inc | Devices for inhibiting the jack-knifing of articulated vehicles |
| GB1307061A (en) * | 1969-01-31 | 1973-02-14 | Monnery D W | Articulated vehicle control system |
| US3985369A (en) * | 1972-02-10 | 1976-10-12 | Artiloc U.S.A. Inc. | Protective cover for an anti-jack knife device |
| CN2051905U (en) * | 1989-07-06 | 1990-01-31 | 姜卫东 | Lockup device capable of backing and steering for full trailer |
| AU2010241199A1 (en) * | 2010-11-03 | 2012-05-17 | Raymond Todd Wedd | Tow shield assembly |
| CN202357820U (en) * | 2011-11-18 | 2012-08-01 | 中国重汽集团泰安五岳专用汽车有限公司 | Locking device for rotary table of trailer |
| CN202541664U (en) * | 2012-04-19 | 2012-11-21 | 天津港集装箱码头有限公司 | Trailer reversing positioning device |
| CN204109711U (en) * | 2014-10-10 | 2015-01-21 | 陕西重型汽车有限公司 | A kind of independent trailer reversing automatic locking apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110667322B (en) | 2021-06-08 |
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