CN212220049U

CN212220049U - Semitrailer swing rod type tarpaulin folding and unfolding device

Info

Publication number: CN212220049U
Application number: CN202020806939.8U
Authority: CN
Inventors: 崔云霞; 杨超杰; 古玥玥
Original assignee: Henan Huangma Vehicle Co ltd
Current assignee: Henan Huangma Vehicle Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-25
Anticipated expiration: 2030-05-14

Abstract

The utility model belongs to the technical field of car tarpaulin, concretely relates to semitrailer pendulum rod formula tarpaulin winding and unwinding devices, including car hopper and chassis, there is from the spool box that restores to the throne along fixed mounting on the front board of car hopper, from the spool box fit in being equipped with the tarpaulin that restores to the throne, the end cooperation rigid coupling that stretches out of tarpaulin has tensile pole, car hopper middle part both sides are equipped with rotatable pendulum rod, the swing end of two pendulum rods is connected with the both ends of tensile pole, chassis below middle part both sides are fixed with antifriction bearing, the coaxial pivot that is equipped with in the middle of two antifriction bearing, the fulcrum end of two pendulum rods and the both ends looks rigid coupling of pivot, the pivot middle part is articulated mutually through connecting rod and hydraulic cylinder top, hydraulic cylinder bottom rotates with the articulated seat of rigid coupling on the chassis to be connected, it is equipped with the bracing. This semitrailer pendulum rod formula tarpaulin winding and unwinding devices, tarpaulin receive and unwind convenient operation is swift, and labour saving and time saving improves conveying efficiency, reduces the danger coefficient, alleviates intensity of labour.

Description

Semitrailer swing rod type tarpaulin folding and unfolding device

Technical Field

The utility model belongs to the technical field of the car tarpaulin, concretely relates to semitrailer swing rod formula tarpaulin winding and unwinding devices.

Background

In view of the increasingly strict environmental protection requirement of full coverage of transport vehicles and the protection requirement of waterproof and sun-proof goods, tarpaulins are necessary configurations of transport vehicles such as semitrailers. However, the truck hopper is generally tall and long, the tarpaulin is covered manually, time and labor are wasted, certain dangers exist, in addition, the tarpaulin is usually bound by cables, the technology is flexible, certain operation experience is needed, the tarpaulin cables are not firmly bound, and the tarpaulin is blown away in the transportation process, so that great traffic safety hazards are caused. For transportation practitioners, the folding and unfolding of the car hopper tarpaulin are physical activities and technical activities.

SUMMERY OF THE UTILITY MODEL

In order to the above situation, the utility model provides a semitrailer pendulum rod formula tarpaulin winding and unwinding devices for tarpaulin receive and releases easy operation swiftly, no longer a physical activity and technical activity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a semitrailer swing rod type tarpaulin folding and unfolding device comprises a trailer hopper and a chassis, wherein a self-resetting reel box is fixedly mounted on the upper edge of a front baffle of the trailer hopper, tarpaulin is arranged in the self-resetting reel box in a matched mode, a stretching rod is fixedly connected with a stretching end of the tarpaulin in a matched mode, rotatable swing rods are arranged on two sides of the middle of the trailer hopper, the swing ends of the swing rods are connected with two ends of the stretching rod, rolling bearings are fixed on two sides of the middle of the lower portion of the chassis, a rotating shaft is coaxially arranged in the middle of the two rolling bearings, the pivot ends of the two swing rods are fixedly connected with two ends of the rotating shaft, the middle portion of the rotating shaft is hinged to the top end of a hydraulic oil cylinder through a connecting rod, the bottom end of the hydraulic oil cylinder is rotatably connected with a hinged seat fixedly connected to the chassis.

Preferably, the rotating shaft penetrates through the frame rib beam of the chassis and is in sliding contact with the frame rib beam, so that supporting points of the rotating shaft are increased, the rotating stability of the rotating shaft is improved, and the rotating flexibility of the rotating shaft is not influenced.

Preferably, one end of the connecting rod is fixedly sleeved on the rotating shaft, the other end of the connecting rod is rotatably connected with a hinge part at the top end of the hydraulic oil cylinder, and the connecting rod and the rotating shaft can be fixedly connected by adopting a jackscrew for jacking.

Preferably, the rolling bearing is an outer spherical surface bearing with a seat, the rolling bearing is fixed below two sides of the chassis through bolts, and two ends of the rotating shaft penetrate out of the middle of the rolling bearing and extend to two sides of the chassis.

Preferably, the automatic reel of the torsion spring is installed in the self-resetting reel box, the tarpaulin can automatically retract into the self-resetting reel box, and the structural principle of the self-resetting reel box is similar to that of the semi-automatic rolling gate in the prior art.

The utility model discloses still including other subassemblies that can make its normal use, be the conventional technical means in this field, in addition, the utility model discloses in add not limited device or subassembly, for example: the self-resetting reel box, the hydraulic oil cylinder, the connecting rod, the hinge seat and the like are all arranged conventionally in the field.

The utility model has the advantages as follows:

this semitrailer pendulum rod formula tarpaulin winding and unwinding devices, through the tensile tarpaulin of hydraulic drive pendulum rod, combine to retrieve the tarpaulin from restoring to the throne spool box, the tarpaulin receive and releases convenient operation is swift, and labour saving and time saving improves conveying efficiency, reduces the danger coefficient, alleviates intensity of labour.

Drawings

Fig. 1 is a schematic perspective view of a swing rod type tarpaulin retracting device in the embodiment.

Fig. 2 is a schematic perspective view of the chassis in fig. 1.

Fig. 3 is a partial structure schematic diagram of a hydraulic oil cylinder part in fig. 2.

Detailed Description

The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples

As shown in fig. 1-3, a semitrailer swing rod type tarpaulin retracting device comprises a car hopper 1 and a chassis 2 thereof, wherein a self-resetting reel box 3 is fixedly installed on the upper edge of a front baffle of the car hopper 1, tarpaulin 4 is arranged in the self-resetting reel box 3 in a matching manner, a stretching rod 5 is fixedly connected with the extending end of the tarpaulin 4 in a matching manner, rotatable swing rods 6 are arranged on two sides of the middle of the car hopper 1, the swing ends of the two swing rods 6 are connected with two ends of the stretching rod 5, rolling bearings 7 are fixed on two sides of the middle of the lower part of the chassis 2, a rotating shaft 8 is coaxially arranged between the two rolling bearings 7, the fulcrum ends of the two swing rods 6 are fixedly connected with two ends of the rotating shaft 8, the middle part of the rotating shaft 8 is hinged with the top end of a hydraulic oil cylinder 10 through a connecting rod 9, the bottom end of the hydraulic oil cylinder 10 is rotatably connected with a hinge seat 11 fixedly connected on, one end of the support rod 12 is fixedly connected with the chassis 2.

The rotating shaft 8 penetrates through the frame rib beam 13 of the chassis 2 and is in sliding contact with the frame rib beam 13, so that supporting points of the rotating shaft 8 are increased, the rotating stability is improved, and the rotating flexibility is not influenced.

One end of the connecting rod 9 is fixedly sleeved on the rotating shaft 8, the other end of the connecting rod is rotatably connected with a hinge part 14 at the top end of the hydraulic oil cylinder 10, and the connecting rod 9 and the rotating shaft 8 are fixedly connected by adopting a jackscrew.

The rolling bearing 7 is an outer spherical surface bearing with a seat and is fixed below the two sides of the chassis 2 through bolts, and the two ends of the rotating shaft 8 penetrate out of the rolling bearing 7 and extend to the two sides of the chassis 2.

The automatic torsion spring reel is installed in the self-resetting reel box 3, the tarpaulin 4 can automatically retract into the self-resetting reel box 3, and the structural principle of the self-resetting reel box 3 is similar to that of the semi-automatic shutter door in the prior art.

The utility model discloses an action principle as follows:

when the tarpaulin 4 is not used, the tarpaulin 4 is wound in the self-resetting reel box 3, when the tarpaulin 4 needs to be covered, only the top end of the hydraulic oil cylinder 10 needs to be controlled to stretch out, the connecting rod 9 is pushed to drive the rotating shaft 8 to rotate, and further the swing rods 6 on the two sides of the car hopper 1 are driven to swing, the swing rods 6 drive the stretching rods 5 to move towards the tail end of the car hopper 1, the tarpaulin 4 is pulled out from the self-resetting reel box 3 until the tarpaulin 4 completely covers the car hopper 1, the hydraulic oil cylinder 10 stops acting, and the swing rods 6 stop swinging. When the tarpaulin 4 is collected, the tarpaulin 4 can be automatically retracted and wound back into the self-resetting reel box 3 only by controlling the top end of the hydraulic oil cylinder 10 to retract and drive the swing rod 6 to swing back, and the stretching rod 5 moves towards the front end of the car hopper 1.

The technical solution of the present invention is not limited to the above-mentioned specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. The utility model provides a semitrailer pendulum rod formula tarpaulin winding and unwinding devices, includes car hopper and chassis, its characterized in that: the front baffle of the car hopper is fixedly provided with a self-resetting reel box along the fixed mounting, tarpaulin is arranged in the self-resetting reel box in a matching mode, the extending end of the tarpaulin is fixedly connected with a stretching rod in a matching mode, two sides of the middle of the car hopper are provided with rotatable swing rods, the swing ends of the two swing rods are connected with two ends of the stretching rod, two rolling bearings are fixed on two sides of the middle of the lower portion of the chassis, a rotating shaft is coaxially arranged in the middle of the two rolling bearings, the fulcrum ends of the two swing rods are fixedly connected with two ends of the rotating shaft, the middle portion of the rotating shaft is hinged with the top end of a hydraulic oil cylinder through a connecting rod, the bottom end of the hydraulic oil cylinder is rotatably connected with a hinged seat fixedly connected onto the chassis, a supporting.

2. The semitrailer rocker type tarpaulin retracting device according to claim 1, characterized in that: the rotating shaft penetrates through the frame rib beam of the chassis and is in sliding contact with the frame rib beam.

3. The semitrailer rocker type tarpaulin retracting device according to claim 1, characterized in that: one end of the connecting rod is fixedly sleeved on the rotating shaft, and the other end of the connecting rod is rotatably connected with a hinge part at the top end of the hydraulic oil cylinder.

4. The semitrailer rocker type tarpaulin retracting device according to claim 1, characterized in that: the rolling bearing is an outer spherical surface bearing with a seat and is fixed below two sides of the chassis through bolts.

5. The semitrailer rocker type tarpaulin retracting device according to claim 1, characterized in that: the automatic torsion spring reel is arranged in the self-resetting reel box, and the tarpaulin can automatically retract into the self-resetting reel box.