CN214929562U - Automatic adjustable semitrailer side protection device - Google Patents
Automatic adjustable semitrailer side protection device Download PDFInfo
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- CN214929562U CN214929562U CN202022961839.5U CN202022961839U CN214929562U CN 214929562 U CN214929562 U CN 214929562U CN 202022961839 U CN202022961839 U CN 202022961839U CN 214929562 U CN214929562 U CN 214929562U
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Abstract
The utility model relates to an automatically adjustable semitrailer side protection device, including the mount, the rear bottom of mount is provided with the motor case, the inside of motor case is provided with the motor, the side that the motor shaft of motor passes the motor case is connected with the bull stick through the shaft coupling, be provided with two sets of positive gears and reverse gear around on the bull stick, positive gear and reverse gear pass through the commutator and connect, all be provided with rotating assembly on every positive gear and reverse gear, the downside of rotating assembly is connected with L type connecting rod, the tip of L type connecting rod is provided with the side guard plate, be provided with the supporting component in the middle of two rotating assembly, the supporting component welds the bottom at the mount, the bull stick is worn to be established in the supporting component, the rotating component fixed connection is in the bottom of mount; the utility model has the advantages of simple structure, convenient operation, strong applicability and automatic adjustment.
Description
Technical Field
The utility model belongs to the technical field of semitrailer equipment, concretely relates to automatic adjustable semitrailer side protector.
Background
The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle (when the vehicle is evenly loaded) and a coupling device capable of transmitting horizontal and vertical forces to a tractor, and according to the requirements of the current national regulations, the side surfaces of the semitrailer are required to be provided with corresponding side protection devices or devices with the same protection function so as to prevent unprotected road users from falling into the side surfaces of the vehicle and being drawn into wheels; therefore, it is very necessary to provide an automatically adjustable side protection device for a semitrailer, which has a simple structure, is convenient to operate and has strong applicability.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a simple structure, convenient operation, suitability strong automatic adjustable semitrailer side protector.
The utility model adopts the technical proposal that: an automatically adjustable side protection device for a semitrailer comprises a fixing frame, wherein a connecting plate is fixedly arranged at the bottom of the rear side of the fixing frame through a first nut, a motor box is welded at the lower side of the connecting plate, a motor is arranged in the motor box, a motor shaft of the motor penetrates through the side edge of the motor box and is connected with a shaft coupling, the other end of the shaft coupling is connected with a rotating rod, two sets of forward gears and reverse gears are arranged on the rotating rod in a front-back mode, the forward gears and the reverse gears are connected through a commutator, a second nut is arranged at the end part of the rotating rod, rotating assemblies are arranged on each set of forward gears and reverse gears, an L-shaped connecting rod is connected to the lower side of each rotating assembly, a side protection plate is arranged at the end part of the L-shaped connecting rod, a threaded through hole is formed in the side protection plate, and the end part of the L-shaped connecting rod penetrates through the threaded through hole to be in threaded connection with a fourth nut, two the centre of rotating assembly is provided with supporting component, supporting component welding the bottom of mount, the bull stick wear to establish in the supporting component, rotating component pass through third nut fixed connection in the bottom of mount.
The rotary component comprises a concave connecting plate, the upper side of the concave connecting plate is connected to the lower side of the fixing frame through a third nut, three second through holes are transversely formed in two side plates of the concave connecting plate respectively, a second bearing is arranged in each second through hole, a left rotating shaft is arranged in each second through hole in the left side in a rotating mode through a second bearing, the rotating rod is arranged in each second through hole in the middle in a rotating mode through the second bearing, a right rotating shaft is arranged in each second through hole in the right side in a rotating mode through the second bearing, a left gear and a right gear are fixedly arranged on the left rotating shaft and the right rotating shaft respectively, the left gear is connected with a forward gear on the rotating rod through a chain, the left gear and the forward gear are located on the same horizontal position, the right gear is connected with a reverse gear on the rotating rod through the chain, and the right gear and the reverse gear are located on the same horizontal position.
The supporting component comprises a welding column, the upper side of the welding column is welded with the lower side of the fixing frame, a first through hole is formed in the lower portion of the welding column, a boss is arranged on the inner side edge of the first through hole, a first bearing is arranged inside the first through hole, locking nuts are arranged on two sides of the first bearing, the first bearing is fixed inside the first through hole through the locking nuts and connected with the outer side edge of the boss in a threaded mode, and the rotating rod is arranged inside the first bearing.
The number of the rotating assemblies is 2, the number of the second through holes of each rotating assembly is 6, and the number of the second bearings of each rotating assembly is 6.
The number of the L-shaped connecting rods is 4.
The number of the forward gears is 2, and the number of the reverse gears is 2.
The fixing frame is provided with a clamping groove and is fixedly connected to the bottom of the frame of the semitrailer through the clamping groove.
The utility model has the advantages that: the utility model relates to an automatically adjustable semitrailer side protection device, adopt motor drive, only need press the button, start the motor and drive the bull stick and rotate, just can make the side guard plates on both sides of semitrailer frame bottom rotate inwards or outwards simultaneously, thus adjust the vertical distance of side guard plate and ground, applicable to various types of semitrailers, easy operation, automatically adjustable, the suitability is strong; the adopted rotating assembly can ensure that the side guard plates on the two sides rotate reversely at the same time when the rotating rod rotates; the adopted supporting component provides stable support for the rotating rod, so that the stability of the device is improved; the fixing frame provided with the clamping groove is fixedly connected to the bottom of the frame of the semitrailer through the clamping groove, so that the structure is simple and the replacement is convenient; the utility model has the advantages of simple structure, convenient operation and strong applicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the operation process of the present invention;
fig. 4 is an assembly schematic view of the motor, the rotating rod, the forward gear and the reverse gear of the present invention;
fig. 5 is a schematic structural view of the rotating assembly of the present invention;
fig. 6 is a schematic structural view of the support assembly of the present invention;
in the figure: 1. the device comprises a fixed frame 2, a connecting plate 3, a motor box 4, a first nut 5, a motor 6, a motor shaft 7, a coupler 8, a rotating rod 9, a forward gear 10, a reverse gear 11, a commutator 12, a second nut 13, a supporting component 131, a welding column 132, a first through hole 133, a boss 134, a first bearing 135, a locking nut 14, a rotating component 141, a concave connecting plate 142, a third nut 143, a second through hole 144, a second bearing 145, a left rotating shaft 146, a right rotating shaft 147, a left gear 148, a right gear 149, a chain 15, an L-shaped connecting rod 16, a side guard plate 17, a threaded through hole 18, a fourth nut 19 and a clamping groove.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention, and are specifically described below with reference to the embodiments.
Example 1
As shown in fig. 1-6, an automatically adjustable side protection device for a semitrailer comprises a fixed frame 1, a connecting plate 2 is fixedly arranged at the bottom of the rear side of the fixed frame 1 through a first nut 4, a motor box 3 is welded at the lower side of the connecting plate 2, a motor 5 is arranged inside the motor box 3, a motor shaft 6 of the motor 5 penetrates through the side of the motor box 3 and is connected with a coupler 7, the other end of the coupler 7 is connected with a rotating rod 8, two sets of forward gears 9 and reverse gears 10 are arranged on the rotating rod 8 in the front and back direction, the forward gears 9 and the reverse gears 10 are connected through a commutator 11, a second nut 12 is arranged at the end of the rotating rod 8, rotating assemblies 14 are arranged on each set of the forward gears 9 and the reverse gears 10, an L-shaped connecting rod 15 is connected at the lower side of the rotating assemblies 14, a side protection plate 16 is arranged at the end of the L-shaped connecting rod 15, the side guard plate 16 on be provided with screw thread through-hole 17, the tip of L type connecting rod 15 pass screw thread through-hole 17 and fourth nut 18 threaded connection, two the centre of rotating component 14 is provided with supporting component 13, supporting component 13 weld in the bottom of mount 1, bull stick 8 wear to establish in the supporting component 13, rotating component 14 pass through third nut 142 fixed connection in the bottom of mount 1.
Specifically, the fixing frame 1 is provided with a clamping groove 19, and the fixing frame is fixedly connected to the bottom of the frame of the semitrailer through the clamping groove 19.
When the utility model is used, the fixing frame 1 is adopted, and the clamping groove 19 arranged on the fixing frame 1 can be connected to the bottom of the frame of the semitrailer, and meanwhile, the replacement and the maintenance are convenient, the operation is simple, and the practicability is high; a motor 5 and a rotating rod 8 are adopted, the motor 5 is arranged in a motor box 3 which is connected with a fixed frame 1 through a nut and is convenient to take and place, two groups of forward gears 9 and reverse gears 10 are arranged on the rotating rod 8 which is connected with a motor shaft 6 through a coupler 7, a commutator 11 is connected between the forward gears 9 and the reverse gears 10, the steering direction of the forward gears 9 is the same as that of the rotating rod 8, and the steering direction of the reverse gears 10 is opposite; the rotary component 14 is adopted, the rotary component 14 is connected with the forward gear 9 and the reverse gear 10, the lower side of the rotary component 14 is connected with the L-shaped connecting rod 15, the L-shaped connecting rod 15 is fixedly connected with the side protection plates 16 through the threaded through hole 17 and the fourth nut 18, and when the motor 5 is started, the side protection plates 16 on the left side and the right side are driven to simultaneously rotate inwards or outwards, so that the height from the ground can be correspondingly adjusted, the semi-trailer is suitable for semi-trailers with chassis different heights from the ground, the operation is convenient, and the applicability is strong; the supporting component 13 is adopted, the supporting component 13 is welded at the bottom of the fixed frame 1, the rotating rod 8 penetrates through the supporting component 13, the structure is simple, and the stability is high; the utility model has the advantages of simple structure, convenient operation and strong applicability.
Example 2
An automatic adjustable side protection device for a semitrailer comprises a fixing frame 1, wherein a connecting plate 2 is fixedly arranged at the bottom of the rear side of the fixing frame 1 through a first nut 4, a motor box 3 is welded at the lower side of the connecting plate 2, a motor 5 is arranged inside the motor box 3, a motor shaft 6 of the motor 5 penetrates through the side edge of the motor box 3 to be connected with a coupler 7, the other end of the coupler 7 is connected with a rotating rod 8, two sets of forward gears 9 and reverse gears 10 are arranged on the rotating rod 8 in a front-back mode, the forward gears 9 and the reverse gears 10 are connected through a commutator 11, a second nut 12 is arranged at the end part of the rotating rod 8, rotating assemblies 14 are arranged on each set of the forward gears 9 and the reverse gears 10, an L-shaped connecting rod 15 is connected to the lower side of each rotating assembly 14, and a side protection plate 16 is arranged at the end part of the L-shaped connecting rod 15, the side guard plate 16 on be provided with screw thread through-hole 17, the tip of L type connecting rod 15 pass screw thread through-hole 17 and fourth nut 18 threaded connection, two the centre of rotating component 14 is provided with supporting component 13, supporting component 13 weld in the bottom of mount 1, bull stick 8 wear to establish in the supporting component 13, rotating component 14 pass through third nut 142 fixed connection in the bottom of mount 1.
Specifically, the rotating assembly 14 includes a concave connecting plate 141, the upper side of the concave connecting plate 141 is connected to the lower side of the fixing frame 1 through a third nut 142, two side plates of the concave connecting plate 141 are respectively and transversely provided with three second through holes 143, a second bearing 144 is arranged in each second through hole 143, a left rotating shaft 145 is rotatably arranged in each second through hole 143 on the left side through a second bearing 144, the rotating rod 8 is rotatably arranged in each second through hole 143 on the middle through a second bearing 144, a right rotating shaft 146 is rotatably arranged in each second through hole 143 on the right side through a second bearing 144, a left gear 147 and a right gear 148 are respectively and fixedly arranged on the left rotating shaft 145 and the right rotating shaft 146, the left gear 147 is connected with the forward gear 9 on the rotating rod 8 through a chain 149, the left gear 147 and the forward gear 9 are located on the same horizontal position, the right gear 148 is connected with the reverse gear 10 on the rotating rod 8 through a chain 149, the right gear 148 and the reverse gear 10 are located at the same horizontal position, so that the left gear 147 and the right gear 148 of the rotating assembly 14 are driven by the forward gear 9 and the reverse gear 10 of the rotating rod 8 to rotate in opposite directions, respectively, so that the L-shaped connecting rod 15 connected with the left gear 147 and the right gear 148 and the side guard plate 16 connected with the L-shaped connecting rod rotate in opposite directions, and meanwhile, the second bearing 144 arranged in the second through hole 143 ensures that the left rotating shaft 145 and the right rotating shaft 146 where the left gear 147 and the right gear 148 are located, respectively, rotate in the second through hole 143 flexibly.
Specifically, the supporting component 13 includes the welding post 131, the upside of welding post 131 welds with the downside of mount 1, the lower part of welding post 131 is provided with first through-hole 132, the inboard side of first through-hole 132 is provided with boss 133, the inside of first through-hole 132 is provided with first bearing 134, the both sides of first bearing 134 are provided with lock nut 135, lock nut 135 fixes first bearing 134 in the inside of first through-hole 132 and with the outside limit threaded connection of boss 133, bull stick 8 set up in the inside of first bearing 134, guarantee that bull stick 8 does not take place to shift when rotating, improve the stability of device.
Specifically, the number of the rotating assemblies 14 is 2, the number of the second through holes 143 of each rotating assembly 14 is 6, and the number of the second bearings 144 of each rotating assembly 14 is 6.
Specifically, the L-shaped connecting rods 15 are fixedly connected to the outer sides of the left gear 147 and the right gear 148, and the number of the L-shaped connecting rods 15 is 4.
Specifically, the number of the forward gears 9 is 2, the number of the reverse gears 10 is 2, the number of the left gears 147 is 2, and the number of the right gears 148 is 2.
Specifically, the fixing frame 1 is provided with a clamping groove 19, and the fixing frame is fixedly connected to the bottom of a frame of the semitrailer through the clamping groove 19, so that the fixing frame is convenient to replace and maintain.
The utility model discloses when using, it is rotatory to adopt motor 5 drive bull stick 8, forward gear 9 and reverse gear 10 on the bull stick 8 connect left gear 147 on the left rotating shaft 145 and right gear 148 on the right rotating shaft 146 respectively through chain 149, left gear 147 and right gear 148 drive L type connecting rod 15 rotatory, thereby drive the side guard plate 16 that is connected with L type connecting rod 15 and rotate, the direction of rotation of forward gear 9 and reverse gear 10 is opposite, make the side guard plate 16 on both sides all outside or inboard rotation about the frame bottom, when starting motor 5 makes side guard plate 16 inwards rotate, the vertical height of side guard plate 16 apart from ground reduces, be suitable for the higher semitrailer in chassis apart from ground, when starting motor 5 makes side guard plate 16 outwards rotate, side guard plate 16 risees gradually, be suitable for the chassis apart from lower semitrailer in ground; the utility model has the advantages of simple structure, convenient operation and strong applicability.
In the above, the number of the supporting components 13, the number of the forward gears 9, the number of the reverse gears 10, and other numbers of the components can be adjusted accordingly according to actual conditions, and are not limited to the parameter ranges listed in the present invention.
Claims (7)
1. The utility model provides an automatic adjustable semitrailer side protector, includes the mount, its characterized in that: the bottom of the rear side of the fixed frame is fixedly provided with a connecting plate through a first nut, a motor box is welded on the lower side of the connecting plate, a motor is arranged in the motor box, a motor shaft of the motor penetrates through the side edge of the motor box and is connected with a coupler, the other end of the coupler is connected with a rotating rod, two groups of forward gears and reverse gears are arranged on the rotating rod in the front and back direction, the forward gears and the reverse gears are connected through a commutator, the end part of the rotating rod is provided with a second nut, each group of forward gears and reverse gears is provided with a rotating assembly, the lower side of the rotating assembly is connected with an L-shaped connecting rod, the end part of the L-shaped connecting rod is provided with a side guard plate, the side guard plate is provided with a threaded through hole, the end part of the L-shaped connecting rod penetrates through the threaded through hole and is in threaded connection with a fourth nut, and a supporting assembly is arranged between the two rotating assemblies, the supporting component is welded at the bottom of the fixing frame, the rotating rod penetrates through the supporting component, and the rotating component is fixedly connected to the bottom of the fixing frame through a third nut.
2. An automatically adjustable side protection device for semitrailers according to claim 1, characterized in that: the rotary component comprises a concave connecting plate, the upper side of the concave connecting plate is connected to the lower side of the fixing frame through a third nut, three second through holes are transversely formed in two side plates of the concave connecting plate respectively, a second bearing is arranged in each second through hole, a left rotating shaft is arranged in each second through hole in the left side in a rotating mode through a second bearing, the rotating rod is arranged in each second through hole in the middle in a rotating mode through the second bearing, a right rotating shaft is arranged in each second through hole in the right side in a rotating mode through the second bearing, a left gear and a right gear are fixedly arranged on the left rotating shaft and the right rotating shaft respectively, the left gear is connected with a forward gear on the rotating rod through a chain, the left gear and the forward gear are located on the same horizontal position, the right gear is connected with a reverse gear on the rotating rod through the chain, and the right gear and the reverse gear are located on the same horizontal position.
3. An automatically adjustable side protection device for semitrailers according to claim 1, characterized in that: the supporting component comprises a welding column, the upper side of the welding column is welded with the lower side of the fixing frame, a first through hole is formed in the lower portion of the welding column, a boss is arranged on the inner side edge of the first through hole, a first bearing is arranged inside the first through hole, locking nuts are arranged on two sides of the first bearing, the first bearing is fixed inside the first through hole through the locking nuts and connected with the outer side edge of the boss in a threaded mode, and the rotating rod is arranged inside the first bearing.
4. An automatically adjustable side protection device for semitrailers according to claim 2, characterized in that: the number of the rotating assemblies is 2, the number of the second through holes of each rotating assembly is 6, and the number of the second bearings of each rotating assembly is 6.
5. An automatically adjustable side protection device for semitrailers according to claim 1, characterized in that: the number of the L-shaped connecting rods is 4.
6. An automatically adjustable side protection device for semitrailers according to claim 1, characterized in that: the number of the forward gears is 2, and the number of the reverse gears is 2.
7. An automatically adjustable side protection device for semitrailers according to claim 1, characterized in that: the fixing frame is provided with a clamping groove and is fixedly connected to the bottom of the frame of the semitrailer through the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022961839.5U CN214929562U (en) | 2020-12-11 | 2020-12-11 | Automatic adjustable semitrailer side protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022961839.5U CN214929562U (en) | 2020-12-11 | 2020-12-11 | Automatic adjustable semitrailer side protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214929562U true CN214929562U (en) | 2021-11-30 |
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ID=79113719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022961839.5U Active CN214929562U (en) | 2020-12-11 | 2020-12-11 | Automatic adjustable semitrailer side protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214929562U (en) |
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2020
- 2020-12-11 CN CN202022961839.5U patent/CN214929562U/en active Active
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