CN210793078U - Rear protective bar device of tank-type semitrailer - Google Patents

Abstract

The utility model discloses a tank-type semitrailer rear protective bar device, which is characterized in that a bottom plate is arranged at the bottom end of a protective bar body, and the bottom plate is fixed below a base through a compression spring, so that when the protective bar body moves downwards, the protective bar body and the base can be prevented from being damaged when being impacted on the ground through the compression spring; set up the axis of rotation through the one side at the shell, then set up the frame plate at the opposite side of shell again, and set up the sliding tray in the frame plate, at the terminal fixed slider of the piston rod of cylinder, make the slider stretch into the sliding tray, can be when cylinder during operation, drive the slider and remove along the sliding tray, make the slider can promote shell and fender bar body and rotate, and then make the bottom plate of the bottom of fender bar body keep away from ground, and then damage fender bar body and base when not making the vehicle remove.

Description

Rear protective bar device of tank-type semitrailer

Technical Field

The utility model relates to a protection thick stick device specifically is a tank-type semitrailer rear protection thick stick device.

Background

The cargo carrying part structure of the tank type semi-trailer is a semi-trailer with a tank type structure. The device is mainly used for transporting liquid, bulk materials, bulk cement and the like. Tank trucks are classified into tanker trucks, concrete mixers, powder and particle materials, bulk cement trucks, water supply trucks, and the like. The tank body is manufactured by adopting an advanced processing technology through three-dimensional design. The chassis adopts special chassis of various manufacturers, and has advanced technology and reliable performance.

At present, when a tank type semitrailer is manufactured in the manufacturing industry of domestic and foreign special vehicles, the rear protective bar device is of a fixed structure, and when the road conditions are uneven, the rear protective bar is easy to seriously collide with the road surface, so that the rear protective bar is damaged. In this regard, improvements are needed.

Disclosure of Invention

An object of the utility model is to provide a tank-type semitrailer rear fender thick stick device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can-type semitrailer rear bumper device, includes the automobile body, sets up the bumper body in automobile body afterbody both sides and fixes the base in bumper body bottom, the end at the piston rod of pneumatic cylinder is fixed on the top of bumper body, the inside of shell is stretched into on the top of bumper body, the shell is close to one side welding of automobile body and has the fixed pipe of a plurality of, spacing pipe has all been welded in the position of the corresponding fixed pipe in both sides of the inside of automobile body, spacing intraductal support column that has all passed, one side that the bumper body was kept away from to spacing pipe all is provided with actuating mechanism, the support column is kept away from the one end of bumper body and is fixed on the connecting block in actuating mechanism.

As a further aspect of the present invention: this actuating mechanism all includes a connecting rod and No. two connecting rods, the end at servo motor's output shaft is all fixed to the one end of a connecting rod, the one end of No. two connecting rods of other end swing joint of a connecting rod, the other end swing joint of No. two connecting rods is on the connecting block.

As a further aspect of the present invention: the bottom plate is arranged below the base and fixed on the lower end face of the base through a plurality of compression springs.

As a further aspect of the present invention: the top welding that the shell is close to one side of automobile body has the axis of rotation, the axis of rotation all passes through the bearing and installs on the automobile body.

As a further aspect of the present invention: the welding of one side that the shell is close to the locomotive has the frame plate, the sliding tray has been seted up to the inside of frame plate, the cylinder is installed to one side that is close to the locomotive on the automobile body, the end of the piston rod of cylinder is fixed with the sliding head, the sliding head stretches into the sliding tray and sets up.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the bottom plate is arranged at the bottom end of the protective bar body and is fixed below the base through the compression spring, so that when the protective bar body moves downwards, the protective bar body can play a good role in buffering through the compression spring, and further the protective bar body and the base can be prevented from being damaged when being impacted on the ground;

2. the rotating shaft is arranged on one side of the shell, the frame plate is arranged on the other side of the shell, the sliding groove is formed in the frame plate, the sliding head is fixed at the tail end of the piston rod of the air cylinder and extends into the sliding groove, and when the air cylinder works, the sliding head is driven to move along the sliding groove, so that the sliding head can push the shell and the protective bar body to rotate, the bottom plate at the bottom end of the protective bar body is far away from the ground, and the protective bar body and the base are not damaged when a vehicle moves;

3. through set up actuating mechanism, support column and spacing pipe in the inside of automobile body, set up the fixed pipe corresponding with the support column again on the outer wall of shell, can make actuating mechanism drive support column remove and stretch into in the fixed pipe after passing spacing pipe for the support column can play the effect of connecting fender bar body and automobile body, and then can increase the supportable weight of fender bar body, makes fender bar body convenient to use.

Drawings

Fig. 1 is the utility model relates to a structural schematic diagram of tank-type semitrailer rear bumper device.

Fig. 2 is a side view of the utility model relates to a tank-type semitrailer rear bumper device.

Fig. 3 is a top view of the utility model relates to a shell of tank-type semitrailer rear bumper device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, a can-type semitrailer rear bumper device, which comprises a carriage body 1, the bumper body 4 of setting in 1 afterbody both sides of automobile body and fix the base 5 in 4 bottoms of bumper body, the end at the piston rod of pneumatic cylinder 3 is fixed on the top of bumper body 4, the inside of shell 2 is stretched into on the top of bumper body 4, shell 2 has the fixed pipe 15 of a plurality of near one side welding of automobile body 1, spacing pipe 13 has all been welded to the corresponding fixed pipe 15's in both sides position of automobile body 1's inside, all passed support column 12 in the spacing pipe 13, one side that the bumper body 4 was kept away from to spacing pipe 13 all is provided with actuating mechanism, support column 12 keeps away from the one end of bumper body 4 and fixes on the connecting block 11 in actuating mechanism.

Referring to fig. 1, the driving mechanisms each include a first connecting rod 9 and a second connecting rod 10, one end of the first connecting rod 9 is fixed to the end of the output shaft of the servo motor 14, the other end of the first connecting rod 9 is movably connected to one end of the second connecting rod 10, and the other end of the second connecting rod 10 is movably connected to the connecting block 11; make actuating mechanism work drive support column 12 and remove, and then make support column 12 pass and remove behind the spacing pipe 13 in fixed pipe 15, and then make support column 12 couple together spacing pipe 13 and fixed pipe 15, and then can increase the weight that protective bar body 4 can support.

Referring to fig. 1-2, a bottom plate 7 is disposed below the base 5, and the bottom plate 7 is fixed on the lower end surface of the base 5 through a plurality of compression springs 6; can play cushioning effect through compression spring 6, receive the damage when the bottom of avoiding base 5 and fender thick stick body 4 to strike ground.

Referring to fig. 1 to 3, a rotating shaft 8 is welded at the top end of one side of the housing 2 close to the vehicle body 1, and the rotating shaft 8 is mounted on the vehicle body 1 through a bearing; a frame plate 16 is welded on one side of the shell 2 close to the vehicle head, a sliding groove is formed in the frame plate 16, an air cylinder 17 is installed on one side of the vehicle body 1 close to the vehicle head, a sliding head 18 is fixed at the tail end of a piston rod of the air cylinder 17, and the sliding head 18 extends into the sliding groove; the arrangement of the rotating shaft 8 can enable the shell 2 and the protective bar body 4 to rotate along with the shell, so that the protective bar body 4, the base 5 and the bottom plate 7 can be far away from the ground, and the protective bar body 4, the base 5 and the bottom plate 7 cannot be damaged due to movement of a vehicle; the setting of sliding tray makes things convenient for cylinder 17 during operation, and the slider 18 reciprocates along the sliding tray, and then can not influence the rotation of shell 2.

The working principle is as follows: when the vehicle stops and needs to be supported by the protective bar, the piston rod of the air cylinder 17 is shortened to the shortest distance, and at the moment, the shell 2 is in a vertical state; the hydraulic cylinder 3 is firstly opened, so that the hydraulic cylinder 3 works to drive the protective bar body 4 to extend to the longest distance, the protective bar body 4 drives the base 5 and the bottom plate 7 to move downwards, and when the bottom plate 7 is contacted with the ground, the compression spring 6 plays a role in buffering, so that the protective bar body 4 and the base 5 can be prevented from being damaged due to the fact that the protective bar body 4 and the base 5 are impacted on the ground, and the protective bar body 4 plays a role in supporting the vehicle body 1; opening servo motor 14 in the actuating mechanism again, make servo motor 14 work and drive a connecting rod 9 and rotate, a connecting rod 9 rotates and drives No. two connecting rods 10 in its outside and remove along with it, and then make No. two connecting rods 10 drive connecting block 11 and remove, make connecting block 11 drive support column 12 and remove and pass the spacing pipe 13 rather than corresponding, and then make support column 12 stretch into fixed pipe 15, thereby can make support column 12 be connected the fastening with shell 2 and automobile body 1, thereby increase the stability that protective bar body 4 supported. When the vehicle moves, open actuating mechanism again, make actuating mechanism work drive support column 12 and remove fixed pipe 15 and retract in spacing pipe 13, then open cylinder 17 again, make cylinder 17's piston rod extension, make the terminal slider 18 of piston rod move thereupon, play and promote frame plate 16 and shell 2 and move, make slider 18 move along the sliding tray in the frame plate 16, and then make shell 2 rotate through axis of rotation 8, thereby make shell 2 and fender bar body 4 rotate the slope, make base 5 and the bottom plate 7 rotation of the bottom of fender bar body 4 leave ground, and then can not damage fender bar body 4 when moving because of the vehicle, base 5 and bottom plate 7.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a can-type semitrailer rear fender bar device, includes automobile body (1), sets up fender bar body (4) in automobile body (1) afterbody both sides and fixes base (5) in fender bar body (4) bottom, its characterized in that: the end at the piston rod of pneumatic cylinder (3) is fixed on the top of fender bar body (4), the inside of shell (2) is stretched into on the top of fender bar body (4), one side welding that shell (2) are close to automobile body (1) has fixed pipe of a plurality of (15), spacing pipe (13) have all been welded in the position of the corresponding fixed pipe in both sides (15) of the inside of automobile body (1), support column (12) have all been passed in spacing pipe (13), one side that fender bar body (4) were kept away from in spacing pipe (13) all is provided with actuating mechanism, the one end that fender bar body (4) were kept away from in support column (12) is fixed on connecting block (11) in actuating mechanism.

2. The rear bumper device of the tank type semitrailer according to claim 1, wherein: this actuating mechanism all includes connecting rod (9) and No. two connecting rods (10), the end at the output shaft of servo motor (14) is all fixed to the one end of connecting rod (9), the one end of the other end swing joint No. two connecting rods (10) of connecting rod (9), the other end swing joint of No. two connecting rods (10) is on connecting block (11).

3. The rear bumper device of the tank type semitrailer according to claim 1, wherein: the lower part of base (5) is provided with bottom plate (7), bottom plate (7) all fix the lower terminal surface at base (5) through a plurality of compression spring (6).

4. The rear bumper device of the tank type semitrailer according to claim 1, wherein: the top welding that shell (2) is close to one side of automobile body (1) has axis of rotation (8), axis of rotation (8) all install on automobile body (1) through the bearing.

5. The rear bumper device of the tank type semitrailer according to claim 1, wherein: the welding of shell (2) one side near the locomotive has frame plate (16), the sliding tray has been seted up to the inside of frame plate (16), cylinder (17) are installed to one side near the locomotive on automobile body (1), the end of the piston rod of cylinder (17) is fixed with slider (18), slider (18) stretch into the sliding tray and set up.

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