Disclosure of Invention
According to the defects of the prior art, the technical problem to be solved by the invention is to provide a semi-trailer with a safety protection net.
The invention solves the technical problems by adopting the following technical scheme:
the utility model provides a semi-trailer with safety protection net, includes semi-trailer body, and the upper end of semi-trailer body is equipped with the bearing plane, the front end of semi-trailer body is fixed with anterior supporting component, installs anterior protection net on the anterior supporting component, and rear supporting component is installed to the rear end of semi-trailer, installs the rear protection net on the rear supporting component, and the receiver is all installed at the left and right two parts of anterior supporting component, all installs the lateral part protection net in the receiver, and the connecting piece is installed to the tip of lateral part protection net, installs the movable fastener that is used for fixed connection piece on the rear supporting component, and the auxiliary stay piece that is used for supporting lateral part protection net is all installed at the left and right two parts of semi-trailer body.
The front support assembly comprises a front support frame, the front support frame is arranged on the semi-trailer body, and a front pressing plate is arranged on the front support frame.
The rear support assembly comprises a rear frame body and a driving unit, the rear frame body is mounted on the semi-trailer body in a bolt connection mode, connecting holes are formed in the left portion and the right portion of the rear frame body, driven shafts are mounted in the connecting holes, rear supports are mounted at the rear ends of the driven shafts, rear pressing plates are mounted on the rear supports, and the driving unit is used for controlling rotation of the driven shafts.
The driving unit comprises a driving gear, a driving motor, a rack and a driven gear, wherein the driving motor is arranged on the semi-trailer body, the driving gear is arranged on an output shaft of the driving motor, the rack is arranged on the semi-trailer body in a sliding connection mode, the driven gear is arranged on the driven shaft, and the driven gear and the driving gear are meshed with the rack.
The storage box comprises a box body, a driving shaft is arranged in the box body in a bearing connection mode, a winding wheel is fixed on the outer wall of the driving shaft, a lateral protection net is arranged on the winding wheel in a wrapping mode, and a coil spring for resetting the winding wheel is further arranged on the outer wall of the driving shaft.
The connecting piece includes connecting pipe and connecting bolt, and the connecting pipe includes C shape outer tube portion, C shape inner tube portion and connecting portion, and connecting portion sets up in C shape outer tube portion and C shape inner tube portion open-ended one end, and the inner wall of C shape outer tube portion and the outer wall combination of C shape inner tube portion form one and hold the chamber, evenly are equipped with a plurality of screw hole that supplies connecting bolt to pass on C shape outer tube portion and the C shape inner tube portion.
The movable fastener comprises a connecting base, the connecting base is arranged on the semi-trailer body in a bolt connection mode, a first clamping block is arranged on the connecting base in a sliding connection mode, a second clamping block is arranged on the connecting base, a locking bolt is fixed on the first clamping block, and a locking nut is arranged on the second clamping block in a rotating connection mode.
The auxiliary support piece comprises a support base, the support base is arranged on the semi-trailer body, an outer telescopic rod is fixed on the support base, an inner telescopic rod is arranged in the outer telescopic rod, a positioning bolt is arranged on the outer telescopic rod, and at least two positioning holes matched with the positioning bolt are formed in the inner telescopic rod.
The front protective net, the rear protective net and the side protective net are all nylon rope woven protective nets.
The beneficial effects of the invention are as follows:
the invention has the advantages of reasonable structural design and convenient use, and the protective net structure is arranged on the four sides of the semi-trailer, so that the traditional protective net installation mode is replaced, the safety of operators is improved, the protective net can be stored, and the operation is convenient and the space is saved.
Detailed Description
The following description of the embodiments of the present invention, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., will further explain the present invention in detail, so as to help those skilled in the art to more fully understand the present invention.
The utility model provides a semi-trailer with safety protection net, includes semi-trailer body 1, and the upper end of semi-trailer body 1 is equipped with the loading plane, the front end of semi-trailer body 1 is fixed with anterior support assembly 2, installs anterior protection net 3 on the anterior support assembly 2, and rear support assembly 4 is installed to the rear end of semi-trailer, installs rear protection net 5 on the rear support assembly 4, and receiver 6 is all installed to the left and right two parts of anterior support assembly 2, all installs lateral part protection net 7 in the receiver 6, and connecting piece 8 is installed to the tip of lateral part protection net 7, installs the movable fastener 9 that is used for fixed connection piece 8 on the rear support assembly 4, and auxiliary support piece 10 that is used for supporting lateral part protection net 7 is all installed to the left and right two parts of semi-trailer body 1. In use, the front protection net 3 is used for preventing cargoes from falling into the cab in front, thereby protecting the driver in the cab; the rear protection net 5 is used for preventing goods from falling to the rear side of the vehicle to injure pedestrians or vehicles by smashing, thereby protecting the vehicles or pedestrians at the rear side of the vehicle; the side protection net 7 is used for preventing cargoes from falling to two sides of the vehicle so as to protect the vehicles or pedestrians on two sides of the vehicle, and the side protection net 7 can be automatically contained in the storage box 6, so that the side protection net has the advantages of convenience in operation and space saving; the auxiliary support piece 10 can increase the support strength of the side protection net 7, and can be hidden and stored, so that the loading and unloading of the semi-trailer body 1 are facilitated.
The front support assembly 2 comprises a front support frame 21, the front support frame 21 is mounted on the semi-trailer body 1 in a bolt connection mode, a front pressing plate 22 is mounted on the front support frame 21 in a bolt connection mode, and the front protection net 3 is fixed on the front support frame 21 through the clamping force of the front pressing plate 22.
The rear support assembly 4 comprises a rear frame 41 and a driving unit, the rear frame 41 is mounted on the semi-trailer body 1 in a bolt connection mode, a left portion and a right portion of the rear frame 41 are provided with connecting holes, driven shafts 42 are mounted in the connecting holes, rear supports 43 are mounted at the rear ends of the driven shafts 42, rear pressing plates 44 are mounted on the rear supports 43 in a bolt connection mode, rear protection nets 5 are fixed on the rear frame 41 through clamping force of the rear pressing plates 44, and the driving unit is used for controlling rotation of the driven shafts 42. When the vehicle cargo loading and unloading device is used, the driving unit works to drive the driven shaft 42 to rotate, the driven shaft 42 drives the rear support 43 to rotate, and the rear support 43 is driven to horizontally rotate to be vertical, so that the rear protection net 5 is unfolded, the rear protection net 5 is stored, and loading and unloading of the vehicle cargo are facilitated.
The driving unit comprises a driving gear 45, a driving motor 46, a rack 47 and a driven gear 48, wherein the driving motor 46 is arranged on the semi-trailer body 1, the driving gear 45 is arranged on an output shaft of the driving motor 46, the rack 47 is arranged on the semi-trailer body 1 in a sliding connection mode, the driven gear 48 is arranged on the driven shaft 42, and the driven gear 48 and the driving gear 45 are meshed with the rack 47. When in use, the driving motor 46 works, the output shaft of the driving motor 46 drives the driving gear 45 to rotate, the driving gear 45 drives the rack 47 to move, and the rack 47 drives the driven gear 48 to rotate so as to provide power for the rotation of the driven shaft 42.
The storage box 6 comprises a box body 61, a driving shaft 62 is arranged in the box body 61 in a bearing connection mode, a winding wheel 63 is fixed on the outer wall of the driving shaft 62, a side protection net 7 is arranged on the winding wheel 63 in a wrapping mode, and a coil spring 64 for resetting the winding wheel 63 is further arranged on the outer wall of the driving shaft 62. In use, the winding wheel 63 is reset by the elastic force of the coil spring 64, and provides conditions for accommodating the side protection net 7.
The connecting piece 8 comprises a connecting pipe and a connecting bolt 82, the connecting pipe comprises a C-shaped outer pipe portion 81a, a C-shaped inner pipe portion 81b and a connecting portion, the connecting portion is arranged at one end of the opening of the C-shaped outer pipe portion 81a and the opening of the C-shaped inner pipe portion 81b, the inner wall of the C-shaped outer pipe portion 81a and the outer wall of the C-shaped inner pipe portion 81b are combined to form a containing cavity 81C, and a plurality of threaded holes for the connecting bolt 82 to penetrate through are uniformly formed in the C-shaped outer pipe portion 81a and the C-shaped inner pipe portion 81 b. When the side protection net 7 is used, an operator firstly inserts the side protection net 7 into the accommodating cavity 81C, and then screws the bolts into the threaded holes, so that the C-shaped outer pipe 81a and the C-shaped inner pipe 81b are clamped with each other, and the side protection net 7 is fixed; the connecting pipe is of a C-shaped structure, so that the connecting pipe is convenient for operators to grasp, and the connecting pipe is simple in structural design and low in manufacturing cost.
The movable fastener 9 comprises a connecting base 91, the connecting base 91 is arranged on the semi-trailer body 1 in a bolt connection mode, a first clamping block 92 is arranged on the connecting base 91 in a sliding connection mode, a second clamping block 93 is arranged on the connecting base 91 in a bolt connection mode, a locking bolt 94 is fixed on the first clamping block 92, and a locking nut 95 is arranged on the second clamping block 93 in a rotating connection mode. When the clamping device is used, an operator rotates the lock nut 95, the lock nut 95 pulls the lock bolt 94 to move, and the lock bolt 94 drives the first clamping block 92 to move, so that the connecting piece 8 is clamped.
The auxiliary support 10 comprises a support base 101, wherein the support base 101 is arranged on the semi-trailer body 1 in a bolt connection mode, an outer telescopic rod 102 is fixed on the support base 101, an inner telescopic rod 103 is arranged in the outer telescopic rod 102, a positioning bolt 104 is arranged on the outer telescopic rod 102 in a threaded connection mode, and at least two positioning holes matched with the positioning bolt 104 are formed in the inner telescopic rod 103. When the side protection net 7 is used, an operator pulls the inner telescopic rod 103 to move to a certain height, and then screws the positioning bolt 104 into the positioning hole with the corresponding height, so that the height of the inner telescopic rod 103 is fixed, the storage of the auxiliary support piece 10 is realized, the side protection net 7 can be supported in the using process, and the structural strength of the side protection net 7 is improved.
The front protective net 3, the rear protective net 5 and the side protective net 7 are all nylon rope woven protective nets.
When the lateral protection net 7 needs to be opened, an operator pulls the connecting piece 8 to move, the connecting piece 8 drives the lateral protection net 7 to move until the connecting piece 8 is inserted into the movable fastener 9, at the moment, the operator rotates the locking nut 95 on the movable fastener 9, the locking nut 95 pulls the locking bolt 94 to move, the locking bolt 94 drives the first clamping block 92 to move, the connecting piece 8 is fixed, and the opening of the lateral protection net 7 is realized;
when the rear protection net 5 needs to be opened, the driving motor 46 works, the driving gear 45 is driven by the output shaft of the driving motor 46 to rotate, the rack 47 is driven by the driving gear 45 to move, the driven gear 48 is driven by the rack 47 to rotate, the driven gear 48 is driven by the driven gear 42 to rotate, the rear support 43 is driven by the driven gear 42 to rotate, and the rear support 43 is driven to horizontally rotate to be vertical, so that the rear protection net 5 is unfolded.
The invention has the advantages of reasonable structural design and convenient use, and the protective net structure is arranged on the four sides of the semi-trailer, so that the traditional protective net installation mode is replaced, the safety of operators is improved, the protective net can be stored, and the operation is convenient and the space is saved.
While the invention has been described above by way of example, it will be apparent that the invention is not limited to the above embodiments, but is intended to cover various insubstantial modifications of the method concepts and technical solutions of the invention, or applications of the inventive concepts and technical solutions without modifications, as are within the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.