CN214564412U - Anti-folding device of semitrailer - Google Patents
Anti-folding device of semitrailer Download PDFInfo
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- CN214564412U CN214564412U CN202120436125.4U CN202120436125U CN214564412U CN 214564412 U CN214564412 U CN 214564412U CN 202120436125 U CN202120436125 U CN 202120436125U CN 214564412 U CN214564412 U CN 214564412U
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- semitrailer
- buffer
- mounting plate
- sliding
- stop block
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Abstract
The utility model provides a semitrailer anti-folding device, which comprises an installation base (1), a buffer device (2), a movable stop block (3), a sliding device (4), a rotating motor (5) and an actuating mechanism (6); the mounting base (1) is fixedly mounted below a semitrailer frame, the left and the right of the mounting base are respectively provided with a buffer device (2), one end of each buffer device (2) is fixed on the buffer device mounting plate (104), and the other end of each buffer device (2) is in contact with the side surface of the corresponding movable stop block (3); the sliding device (4) is fixedly connected with the movable stop block (3) through bolts and can slide or rotate along the axis of the through hole; the rotating motor (5) is fixedly connected to the motor mounting plate (101) of the mounting base, and the rotating motor (5) can drive the sliding device (4) and the movable stop block (3) to rotate through the executing mechanism (6). The device can prevent the drift accident that horizontal unstability and produced from taking place, and actual maneuverability is strong, simple to operate, and the range of application is extensive.
Description
Technical Field
The utility model relates to a semitrailer prevents folding technical field particularly, relates to a semitrailer prevents folding device.
Background
In recent years, the market reserves of the traction semitrailers are increased year by year, the development potential and the market prospect are good, but the vehicle-mounted quality of the traction semitrailer is large, and the tail flicking phenomenon caused by the folding instability of the semitrailer is very easy to happen due to the fact that a road is inclined or the braking force distribution of left and right wheels is unreasonable in the processes of driving braking and high-speed steering due to the unique hinging mode between the tractor and the semitrailer, so that serious safety accidents which are difficult to control are caused.
In the prior art, there are two different configurations and control patterns: in the prior art I (the utility model: 201320558613.8), the anti-folding device of the semi-trailer tractor comprises a support fixedly connected with the frame of the tractor, through holes are arranged at two ends of the support and connected with trailer connecting rings for connecting the trailer, and the trailer is pulled by a steel wire ring or an iron chain ring to prevent folding in a test. The technical scheme also adopts a rigid connection mode to prevent folding, and has great potential safety hazard under large impact; prior art two (utility model 201911188675.2), a pull semitrailer of disclosing prevents folding support connects in the front end face of the tractor back and semitrailer through first base and second base, is provided with coil spring buffer in the bracing piece to be provided with pressure sensor, whether control through the contained angle to between pressure threshold value and tractor and the semitrailer and prevent folding support and stretch out. The anti-folding support provided by the technical scheme needs to be connected with a tractor and a semi-trailer, for most semi-trailers (such as skeleton cars, low flat cars and the like), the anti-folding support is respectively combined with the tractor and a traction seat through a traction pin, the semi-trailer does not have an entity which can be used for connection in the area near the hinged position, and the actual operability of the technical scheme has certain limitation.
At present, in order to prevent the occurrence of the transverse instability phenomenon, on a traction semi-trailer, particularly a dangerous cargo transportation semi-trailer, control systems such as ESC and EBS are gradually applied and popularized, and when the traction semi-trailer provided with the control systems such as ESC is tested, the control systems must be carried out on the premise of safety protection, otherwise, the control systems can be out of order to cause the main hanging folding accident. In practical tests, the rigid device is usually adopted to rigidly connect the tractor and the semitrailer so as to prevent the folding phenomenon, but the mode cannot avoid the tail flicking accident under the lateral violent impact.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model aims at the problem that the semitrailer has no entity for connection in the area near the hinged position, and the practical operability has limitation; adopt rigid connection mode to prevent folding the appearance, inevitable existence very big potential safety hazard under big impact, the folding device is prevented to the rigidity is extremely easy to be split, can appear control system failure and lead to the owner to hang folding accident even to the unable problem of easily taking place the whipping accident under avoiding horizontal violent impact, the utility model provides a folding device is prevented to semitrailer, the device is applicable to the folding device of preventing of drawing semitrailer of multiple form, has overcome and has adopted rigid connection and each problem such as its installation is limited among the prior art.
To the problem that exists among the above-mentioned prior patent art, the technical scheme of the utility model a semitrailer prevents folding device is provided, include: install base, buffer, removal dog, slider, rotating electrical machines and actuating mechanism:
the mounting base is fixedly mounted below the semitrailer frame and is formed by welding a motor mounting plate, a transfer plate, a sliding device mounting plate, a buffer device mounting plate and a proximity switch mounting plate;
the left and the right of the semitrailer anti-folding device are respectively provided with a buffer device, one end of each buffer device is fixed on a buffer device mounting plate, and the other end of each buffer device penetrates through the sliding device mounting plate and is in contact with the side surface of the movable stop block through a rubber buffer block;
one end of the sliding device is fixedly connected with the movable stop block through a bolt, and the other end of the sliding device penetrates through the through hole of the sliding device mounting plate and can slide or rotate along the axis of the through hole;
the rotating motor is fixedly connected to the motor mounting plate of the mounting base and can drive the sliding device and the movable stop block to rotate through the executing mechanism.
Furthermore, the buffer device comprises a locking nut, a hollow cylinder, a guide shaft and a buffer spring, and one end of the hollow cylinder of the buffer device is fixed on the buffer device mounting plate by the locking nut; one end of a guide shaft of the buffer device is inserted into the hollow cylinder, and the other end of the guide shaft is contacted with the side face of the movable stop block through the rubber buffer block after penetrating through the buffer spring.
Furthermore, the sliding device comprises a connecting block, a sliding sleeve and a connecting flange, and the connecting flange is connected with the movable stop block through a bolt; the outer wall of the sliding sleeve is provided with a connecting block.
Furthermore, the actuating mechanism comprises a connecting plate, a moving rod and a transmission rod, an output shaft of the rotating motor drives the first end of the transmission rod, the second end of the transmission rod is movably connected with the first end of the connecting plate, the second end of the connecting plate drives the moving rod to rotate, and the moving rod is fixedly connected with the sliding device.
Furthermore, the motion trail of the moving rod is an arc-shaped trail surrounding the axis of the central hole of the installation base, and when the moving rod moves around the axis of the central hole of the installation base, the moving rod can drive the sliding device and the moving stop block to rotate together.
Furthermore, the outer side of the edge of the middle through hole of the transfer plate is provided with an arc-shaped hole which has the same motion track with the moving rod.
Furthermore, two proximity switches are respectively arranged at two ends of the arc-shaped hole.
Further, the movable rod penetrates through the arc-shaped hole of the transfer plate.
Further, the transmission rod comprises a connecting rod and a shaft sleeve, the shaft sleeve is connected with an output shaft of the rotating motor, and one end of the connecting rod is connected with the connecting plate.
Furthermore, the proximity switch mounting plates are provided with two proximity switch mounting plates which are respectively arranged at two end parts of the arc-shaped hole of the transfer plate and used for mounting the proximity switch
The beneficial effect of this scheme is:
(1) and the transmission rod is driven by the rotating motor to drive the connecting plate to enable the moving rod to be positioned in the moving area, and when the moving rod controls the moving stop block to rotate and lift, the normal steering requirements of the tractor and the semitrailer are met.
(2) The driving rod is driven by the rotating motor to drive the connecting plate to enable the moving rod to be located at the bottom end of the moving area, the moving rod touches the proximity switch to control the moving stop block to rotate and fall, lateral impact force at the joint of the tractor and the semitrailer is relieved, and the problem of transverse instability of the semitrailer is solved.
(3) The tractor is convenient to install, is suitable for different types of traction semitrailers, avoids the tail flick caused by transverse violent impact generated by rigid connection of the tractor and the semitrailer by adopting a rigid device, and has wide application range.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the overall structure of an anti-folding device according to an embodiment of the present invention;
fig. 2 is a schematic view of an anti-fold device installation according to an embodiment of the present invention;
fig. 3 is a schematic view of the internal structure of an anti-folding device according to an embodiment of the present invention;
FIG. 4 is a partially enlarged view of the inner structure I of the anti-folding device in FIG. 3;
fig. 5 is a schematic view of an anti-folding device base according to an embodiment of the present invention;
fig. 6 is a side view schematic of an anti-fold bracket according to an embodiment of the present invention;
FIG. 7 is a side view of the anti-fold device base structure of FIG. 5;
fig. 8 is a schematic view of an anti-folder slide according to an embodiment of the present invention;
fig. 9 is a schematic view of a driving rod of an anti-folding device according to an embodiment of the present invention.
Wherein: 1-mounting a base, 2-a buffer device, 3-a moving gear, 4-a sliding device, 5-a rotating motor, 6-an actuating mechanism and 7-a proximity switch; 8-traction seat, 101-motor mounting plate, 102-transfer plate, 103-sliding device mounting plate, 104-buffer device mounting plate, 105-proximity switch mounting plate, 201-locking nut, 202-hollow cylinder, 203-guide shaft, 204-buffer spring, 601-connecting plate, 602-moving rod, 603-driving rod, 801-connecting rod and 802-shaft sleeve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the present invention, the terms "mounting", "connecting", "fixing", "front and back", "left and right", "inside and outside", "up and down" and the like are to be understood broadly based on the device, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 6, this embodiment provides a semitrailer fold prevention apparatus, including: the device comprises a mounting base 1, a buffer device 2, a movable stop 3, a sliding device 4, a rotating motor 5, a connecting plate 601, a movable rod 602, a transmission rod 603 and a proximity switch 7; wherein:
the mounting base 1 is fixedly mounted below a semitrailer frame and is a fixed part formed by welding a motor mounting plate 101, a transfer plate 102, a sliding device mounting plate 103, a buffer device mounting plate 104 and a proximity switch mounting plate 105. The motor mounting plate 101, the transfer plate 102, the slider mounting plate 103, and the damper mounting plate 104 are plates with holes in the middle.
As shown in fig. 3, the buffer device 2 comprises a lock nut 201, a hollow cylinder 202, a guide shaft 203 and a buffer spring 204, the buffer device 2 is respectively arranged on the left and the right of the semitrailer anti-folding device, one end of the hollow cylinder 202 of the buffer device 2 is fixed on the buffer device mounting plate 104 by the lock nut 201, the other end of the hollow cylinder 202 is sleeved in the sliding device 4, and the inner wall of the sliding device 4 can slide along the outer surface of the hollow cylinder of the buffer device 2; one end of a guide shaft 203 of the buffer device 2 is inserted into the hollow cylinder 202, and after the other end of the guide shaft 203 passes through a buffer spring 204, the other end of the guide shaft 203 is contacted with the side surface of the movable stopper 3 through a rubber buffer block;
one end of the sliding device 4 is fixedly connected with the movable stopper 3 by a bolt, and the other end of the sliding device 4 penetrates through a through hole of the sliding device mounting plate 103 and is sleeved outside the hollow cylinder 202 of the buffer device 2. The sliding device 4 can slide along the hole axis of the sliding device mounting plate 103 and can rotate around the hole axis of the sliding device mounting plate 103;
the rotating motor 5 is fixedly connected with the motor mounting plate 101 of the mounting base, and drives the movable stop block 3 to rotate through rotation, so that the steering of the tractor in the normal driving process is met;
the connecting plate 601 is used as a force transmission part and is connected with the output of the rotating motor and the actuating mechanism 6; the output shaft of the rotating motor 5 drives the first end of the transmission rod 603, the second end of the transmission rod 603 is movably connected with the first end of the connecting plate 601, the second end of the connecting plate 601 drives the movable rod 602 to rotate, the movable rod 602 is fixedly connected with the sliding device 4, when the rotating motor 5 rotates, the movable rod 602 is driven by the transmission rod 603 and the connecting plate 601 to move, the moving track of the movable rod 602 is an arc track surrounding the axis of the central hole of the mounting base, and because the movable rod 602 is fixedly connected to the sliding device 4, when the movable rod 602 moves around the axis of the central hole of the base, the sliding device 4 and the movable stopper 3 can be driven to rotate together;
as shown in fig. 6-7, the outer side of the edge of the central hole of the transfer plate 102 is provided with an arc-shaped hole having the same motion track as the moving rod 602. Two proximity switches 7 are respectively arranged at two ends of the arc-shaped hole, and the proximity switches 7 are used for detecting whether the moving rod 602 rotates to the position or not. The moving rod 602 penetrates through the arc-shaped hole of the transfer plate 102, one end of the moving rod 602 is fixedly connected with the sliding device 4, and the other end of the moving rod 602 is connected with the connecting plate 601 in a sliding manner;
as shown in fig. 8, the sliding device 4 includes a connection block 401, a sliding sleeve 402, and a connection flange 403, and the connection flange 403 is connected to the moving stopper 3 by bolts. The sliding device 4 is used for satisfying lateral sliding and rotation, and the sliding device 4 is arranged in bilateral symmetry. A connecting block 401 is arranged on the outer wall of the sliding sleeve 402.
As shown in fig. 9, the transmission rod 603 includes a connection rod 801 and a shaft sleeve 802, the shaft sleeve 802 is connected to the output shaft of the rotating electrical machine 5, one end of the connection rod 801 is connected to the connection plate 601, and serves as an output transmission mechanism of the rotating electrical machine to output a rotating motion;
the proximity switch mounting plates 105 are provided in two, respectively provided at both ends of the arc-shaped hole of the transfer plate 102, for mounting the proximity switch 7. The proximity switches are fixed near the arc-shaped hole of the transfer plate 102, and 1 proximity switch is respectively arranged at the front end and the rear end of the arc-shaped hole and used for judging whether the movable stop 3 rotates in place.
The control module comprises a controller for receiving lateral acceleration V of the tractor in the running process through the tractor gyroscope and the semitrailer gyroscopehAnd the lateral acceleration V of the semitrailer in the driving processmAnd with a set tractor lateral acceleration threshold V1Threshold value V of lateral acceleration of semitrailer2And (6) carrying out comparison.
When the tractor or the semitrailer is driven and the lateral acceleration threshold value is within the set range, the control system sends a control signal, the rotating motor 5 acts, and then the movable stop block 3 is driven to rotate.
The normal steering of the tractor is met;
when the folding instability phenomenon occurs, the lateral acceleration of the tractor or the semitrailer exceeds a system set threshold value, the control system sends a signal, and the rotating motor 5 acts to rotate the movable stop block to return. When tractor or semitrailer take place to fold around the towing pin for the center rotation, the folding device of preventing that this embodiment provides is installed on the semitrailer, and it is rotatory together under the drive of semitrailer, and after removing dog 3 and the saddle contact of installing on the tractor, remove dog 3 and remove along preventing folding device horizontal longitudinal axis, and then absorb the side direction impact energy through buffer 2 that sets up in the device, prevent the emergence of the incident that big impact leads to.
Although the present invention has been provided in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present invention. The scope of the invention is defined by the appended claims and may include various modifications, adaptations and equivalents of the invention without departing from its scope and spirit.
Claims (10)
1. A semitrailer fold prevention apparatus, comprising: the device comprises a mounting base (1), a buffer device (2), a movable stop block (3), a sliding device (4), a rotating motor (5) and an actuating mechanism (6); the method is characterized in that:
the mounting base (1) is fixedly mounted below a semitrailer frame and is formed by welding a motor mounting plate (101), a transfer plate (102), a sliding device mounting plate (103), a buffer device mounting plate (104) and a proximity switch mounting plate (105);
the left and the right of the semitrailer anti-folding device are respectively provided with a buffer device (2), one end of each buffer device (2) is fixed on a buffer device mounting plate (104), and the other end of each buffer device (2) penetrates through a sliding device mounting plate (103) and is in contact with the side surface of the movable stop block (3) through a rubber buffer block;
one end of the sliding device (4) is fixedly connected with the movable stop block (3) through a bolt, and the other end of the sliding device (4) penetrates through a through hole of the sliding device mounting plate (103) and can slide or rotate along the axis of the through hole;
the rotating motor (5) is fixedly connected to the motor mounting plate (101) of the mounting base, and the rotating motor (5) can drive the sliding device (4) and the movable stop block (3) to rotate through the executing mechanism (6).
2. The semitrailer anti-folding device of claim 1, wherein: the buffer device (2) comprises a locking nut (201), a hollow cylinder (202), a guide shaft (203) and a buffer spring (204), and one end of the hollow cylinder (202) of the buffer device (2) is fixed on the buffer device mounting plate (104) through the locking nut (201); one end of a guide shaft (203) of the buffer device (2) is inserted into the hollow cylinder, and after the other end of the guide shaft (203) passes through the buffer spring (204), the other end of the guide shaft (203) is contacted with the side surface of the movable stopper (3) through the rubber buffer block.
3. The semitrailer anti-folding device of claim 1, wherein: the sliding device (4) comprises a connecting block (401), a sliding sleeve (402) and a connecting flange (403), and the connecting flange (403) is connected with the movable stop block (3) through bolts; the outer wall of the sliding sleeve (402) is provided with a connecting block (401).
4. The semitrailer anti-folding device of claim 1, wherein: the actuating mechanism (6) comprises a connecting plate (601), a moving rod (602) and a transmission rod (603), an output shaft of the rotating motor (5) drives the first end of the transmission rod (603), the second end of the transmission rod (603) is movably connected with the first end of the connecting plate (601), the second end of the connecting plate (601) drives the moving rod (602) to rotate, and the moving rod (602) is fixedly connected with the sliding device (4).
5. The semitrailer anti-folding device of claim 4, wherein: the motion trail of the moving rod (602) is an arc-shaped trail surrounding the axis of the central hole of the installation base, and when the moving rod (602) moves around the axis of the central hole of the installation base, the sliding device (4) and the moving stop block (3) can be driven to rotate together.
6. The semitrailer anti-folding device of claim 4, wherein: the outer side of the edge of the through hole in the transfer plate (102) is provided with an arc-shaped hole which has the same motion track with the moving rod (602).
7. The semitrailer anti-folding device of claim 4, wherein: two proximity switches (7) are respectively arranged at two ends of the arc-shaped hole.
8. The semitrailer anti-folding device of claim 4, wherein: the travel bar (602) extends through the arcuate aperture of the transfer plate (102).
9. The semitrailer anti-folding device of claim 4, wherein: the transmission rod (603) comprises a connecting rod (801) and a shaft sleeve (802), the shaft sleeve (802) is connected with an output shaft of the rotating motor (5), and one end of the connecting rod (801) is connected with the connecting plate (601).
10. The semitrailer anti-folding device of claim 4, wherein: the proximity switch mounting plates (105) are provided with two, are respectively arranged at two ends of the arc-shaped hole of the transfer plate (102) and are used for mounting the proximity switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120436125.4U CN214564412U (en) | 2021-02-26 | 2021-02-26 | Anti-folding device of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120436125.4U CN214564412U (en) | 2021-02-26 | 2021-02-26 | Anti-folding device of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214564412U true CN214564412U (en) | 2021-11-02 |
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ID=78351862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120436125.4U Active CN214564412U (en) | 2021-02-26 | 2021-02-26 | Anti-folding device of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214564412U (en) |
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2021
- 2021-02-26 CN CN202120436125.4U patent/CN214564412U/en active Active
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