CN113386870B

CN113386870B - Trailer with heightened breast boards

Info

Publication number: CN113386870B
Application number: CN202110941594.6A
Authority: CN
Inventors: 祝广峰
Original assignee: Xuzhou Aofeng Transportation Equipment Co ltd
Current assignee: Xuzhou Aofeng Transportation Equipment Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-10-26
Anticipated expiration: 2041-08-17
Also published as: CN113386870A

Abstract

The invention discloses a baffle plate heightening trailer, which belongs to the technical field of trailers and comprises a trailer body, wherein the trailer body comprises a trailer body and four fixed baffle plates arranged on the trailer body, baffle plate heightening mechanisms are arranged in the four fixed baffle plates, each baffle plate heightening mechanism comprises a movable baffle plate and an air cylinder arranged on the lower side of the movable baffle plate, clamping mechanisms are arranged at two ends of each movable baffle plate, and two adjacent movable baffle plates can be clamped together through the clamping mechanisms; according to the invention, the movable breast boards are pushed to rise by the cylinders to realize the function of heightening the breast boards, when one part of each of the four movable breast boards extends out of the fixed breast board, the four movable breast boards are clamped together by the clamping mechanism to form a rectangular structure, so that the structural stability of the movable breast boards is improved, and the condition that goods fall off is prevented; still be equipped with supporting mechanism in the fixed breast board, can improve the anti striking performance of fixed breast board.

Description

Trailer with heightened breast boards

Technical Field

The invention relates to the field of trailers, in particular to a trailer with heightened sideboard.

Background

The mode that increases semitrailer breast board height among the prior art generally adopts folding or articulate, need upwards to turn up during the use or install temporarily, not only waste time and energy during the dismantlement, application No. 201810614467.3 discloses a breast board semitrailer can be heightened to the breast board, it can play the effect that the breast board was heightened, but it leads to the structure not stable enough to have the relation of connection between the adjacent activity breast board, the activity breast board only is fixed rather than the fixed breast board of downside, the activity breast board is very easily rocked and lead to appearing crooked condition by the goods in the transportation, the problem that the goods dropped easily appears, consequently, need design a stable in structure's breast board trailer can be heightened.

Disclosure of Invention

The invention provides a trailer with a heightened sideboard, which can solve the problems pointed out in the background technology.

The utility model provides a trailer can be increased to breast board, includes the automobile body, the automobile body includes the automobile body and sets up four fixed breast boards on the automobile body, four all be equipped with breast board heightening mechanism in the fixed breast board, breast board heightening mechanism is including activity breast board and setting up the cylinder of activity breast board downside, the both ends of activity breast board all are equipped with clamping mechanism, work as the cylinder promotes the activity breast board stretches out when fixed breast board is outer, adjacent two activity breast board can pass through the clamping mechanism joint is in the same place.

Preferably, the four fixed breast boards are respectively a front breast board arranged on the vehicle body, a rear breast board hinged on the vehicle body and two side breast boards.

Preferably, the clamping mechanism comprises a plurality of clamping teeth arranged at the end part of the movable fence plate and a plurality of limiting assemblies respectively arranged on the clamping teeth.

A limiting plate and a first return spring are arranged in the latch, one end of the first return spring is connected in the latch, and the other end of the first return spring is connected to the limiting plate; under the action of the first return spring, one end of the limiting plate can extend out of the latch from the lower side of the latch.

Under the effect of spacing subassembly, the limiting plate can retract in the latch.

Preferably, the limiting assembly comprises a first gear arranged in the latch, a second gear arranged outside the latch and a second rack plate arranged in the fixed breast board, the first gear and the second gear are arranged on the same gear shaft, and the first rack plate which is connected with the first gear in a meshed mode is fixedly arranged on the limiting plate.

And in the descending process of the movable sideboard, the second rack plate can be meshed with the second gear and enables the limiting plate to retract into the latch.

Preferably, a plurality of supporting mechanisms are further arranged in the fixed breast board.

The supporting mechanism comprises a first supporting rod and a second supporting rod; the two inner walls of the fixed breast board are provided with a yielding groove which is used for yielding the first supporting rod and the second supporting rod respectively, the two yielding grooves are internally and rotatably provided with rotating shafts, and the rotating shafts are sleeved with torsion springs.

The first support rod and the second support rod are respectively arranged on the two rotating shafts.

Under the action of the torsion spring, the end parts of the first supporting rod and the second supporting rod can be abutted against the inner wall of the fixed sideboard.

Preferably, the supporting mechanism further comprises a transmission mechanism, and the transmission mechanism comprises a connecting rod connected with the movable breast board, a push rod arranged on the rotating shaft in a sliding manner, and a second return spring connected with the first supporting rod; one end of the second reset spring is connected to the rotating shaft, and the other end of the second reset spring is connected to the first support rod.

And the second support rod is provided with a limit groove matched with the first support rod.

The bottom of connecting rod is connected with the ejector pad, be provided with the direction inclined plane on the ejector pad, when the activity breast board rose, the ejector pad can be contradicted on the push rod and make the push rod be in the direction of pivot length removes, until with bracing piece one pushes into the spacing inslot.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the movable breast boards are pushed to rise by the cylinders to realize the function of heightening the breast boards, when one part of each of the four movable breast boards extends out of the fixed breast board, the four movable breast boards are clamped together by the clamping mechanism to form a rectangular structure, so that the structural stability of the movable breast boards is improved, and the condition that goods fall off is prevented; after the four movable breast boards retract into the fixed breast board, the two adjacent movable breast boards are not mutually clamped, so that the opening of the fixed breast board is not influenced, and the convenience is very high.

Still be equipped with supporting mechanism in the fixed breast board, can improve the anti striking performance of fixed breast board.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the latch mechanism of the present invention positioned within the stationary fence.

Fig. 3 is a partially enlarged view of fig. 2 a according to the present invention.

FIG. 4 is a schematic view of the latch mechanism of the present invention positioned outside the stationary fence.

Fig. 5 is a partial enlarged view of the invention at B of fig. 4.

Fig. 6 is a cross-sectional view of the spacing mechanism of the present invention.

Fig. 7 is a partial cross-sectional view of the present invention.

Fig. 8 is a partial enlarged view of the present invention at C of fig. 7.

Fig. 9 is a schematic structural view of the supporting mechanism of the present invention in a non-supporting state.

Fig. 10 is a schematic structural view of the support mechanism of the present invention in a support state.

Description of reference numerals: 1. the vehicle body, 2, the front railing panel, 3, the rear railing panel, 4, the side railing panel, 5, the movable railing panel, 6, the cylinder, 7, the latch, 8, the first gear, 9, the second gear, 10, the limiting plate, 11, the first rack panel, 12, the first return spring, 13, the second rack panel, 21, the first support rod, 22, the second support rod, 23, the abdicating groove, 24, the rotating shaft, 25, the push rod, 26, the second return spring, 27, the limiting groove, 28, the connecting rod, 29, the push block, 30 and the torsion spring.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1 to 10, the trailer provided by the embodiment of the invention comprises a body, wherein the body comprises a body 1 and four fixed fences arranged on the body 1, fence heightening mechanisms are arranged in the four fixed fences, each fence heightening mechanism comprises a movable fence 5 and an air cylinder 6 arranged on the lower side of the movable fence 5, clamping mechanisms are arranged at two ends of each movable fence 5, and when the air cylinder 6 pushes the movable fence 5 to extend out of the fixed fence, two adjacent movable fences 5 can be clamped together through the clamping mechanisms.

As shown in fig. 1, the four fixed fences are a front fence 2 disposed on the vehicle body 1, and a rear fence 3 and two side fences 4 hinged on the vehicle body 1.

As shown in fig. 3, the locking mechanism includes a plurality of latches 7 disposed at an end of the movable fence 5 and a plurality of position limiting assemblies disposed on each of the latches 7.

As shown in fig. 6, a limiting plate 10 and a first return spring 12 are arranged in the latch 7, one end of the first return spring 12 is connected in the latch 7, and the other end of the first return spring is connected to the limiting plate 10; under the action of the first return spring 12, one end of the limiting plate 10 can extend out of the latch 7 from the lower side of the latch 7.

Under the action of the limiting assembly, the limiting plate 10 can retract into the latch 7.

As shown in fig. 5, the latch 7 of the movable fence 5 in the side fence 4 is latched with the latch 7 of the movable fence 5 in the rear fence 3, and the two movable fences 5 cannot be separated under the action of the limit plate 10.

As shown in fig. 3 and 6, the limiting component comprises a first gear 8 arranged in the latch 7, a second gear 9 arranged outside the latch 7 and a second rack plate 13 arranged in the fixed railing plate, the first gear 8 and the second gear 9 are arranged on the same gear shaft, and a first rack plate 11 capable of being meshed and connected with the first gear 8 is fixedly arranged on the limiting plate 10.

The second rack plate 13 in fig. 3 is fixedly arranged in the fixed railing plate, so that the fixed railing plate is hidden for the convenience of viewing the structure.

During the descending process of the movable fence plate 5, the second rack plate 13 can be meshed with the second gear 9 and enables the limit plate 10 to retract into the latch 7.

The second rack plates 13 have a space therebetween larger than the outer diameter of the second gear 9.

A plurality of supporting mechanisms are further arranged in the fixed breast board.

As shown in fig. 8, the supporting mechanism includes a first supporting rod 21 and a second supporting rod 22; offer on two inner walls of fixed breast board be used for respectively for the bracing piece one 21 with the groove 23 of stepping down that the bracing piece two 22 steps down, two it all rotationally is provided with pivot 24 in the groove 23 to step down, the torsion spring 30 has been cup jointed in the pivot 24.

The first support rod 21 and the second support rod 22 are respectively arranged on the two rotating shafts 24.

Under the action of the torsion spring 30, the end portions of the first support rod 21 and the second support rod 22 can be abutted against the inner wall of the fixed fence plate.

The supporting mechanism further comprises a transmission mechanism, and the transmission mechanism comprises a connecting rod 28 connected with the movable sideboard 5, a push rod 25 arranged on the rotating shaft 24 in a sliding manner, and a second return spring 26 connected with the first supporting rod 21.

As shown in fig. 9, one end of the second return spring 26 is connected to the rotating shaft 24, and the other end is connected to the first support rod 21; the second support rod 22 is provided with a limit groove 27 matched with the first support rod 21.

Bracing piece one 21 and two 22 dislocation set of bracing piece, after activity sideboard 5 rises, bracing piece one 21 and two 22 of bracing piece just can conflict on the inner wall of fixed sideboard under torque spring 30's effect, activity sideboard 5 continues to rise and can make ejector pad 29 conflict in the bottom of push rod 25 for push rod 25 removes towards bracing piece one 21, can push spacing groove 27 with bracing piece one 21 in, when activity sideboard 5 rises to highest position department, bracing piece one 21 just in time is in the spacing groove 27 completely.

The bottom end of the connecting rod 28 is connected with a push block 29, the push block 29 is provided with a guide inclined plane, when the movable sideboard 5 ascends, the push block 29 can abut against the push rod 25 and enables the push rod 25 to move in the length direction of the rotating shaft 4 until the supporting rod 21 is pushed into the limit groove 27.

The working process is as follows: when the height of the breast board needs to be increased, the plurality of cylinders 6 are started, the plurality of cylinders 6 synchronously push the four movable breast boards 5 to rise to a required height, in the rising process of the four movable breast boards 5, the limiting plate 10 extends out of the teeth 7 under the action of the first return spring 12, namely, the two adjacent movable breast boards 5 are clamped together through the clamping mechanism, when the initial state needs to be recovered, the cylinders 6 are started again, the cylinders 6 drive the movable breast boards 5 to fall into the fixed breast boards, in the descending process of the movable breast boards 5, the second gears 9 are in contact with the second rack boards 13, under the action of the second rack boards 13, the second gears 9 and the first gears 8 synchronously rotate, the first gears 8 drive the first rack boards 11 and the limiting plate 10 to rise, the limiting plate 10 retracts into the teeth 7, and the back breast board 3 or the side breast board 4 can be freely opened.

In the process that movable railing panel 5 rises, bracing piece one 21 and bracing piece two 22 contradict under torsion spring 30 on the inner wall of fixed railing panel, play the effect of supporting fixed railing panel inner wall, improve the impact resistance, the anti striking performance of fixed railing panel, when movable railing panel 5 descends, the lower extreme of movable railing panel 5 contradicts on bracing piece one 21 and bracing piece two 22 and with bracing piece one 21 and bracing piece two 22 press back in the groove of stepping down 23.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A trailer with a heightened railing panel comprises a trailer body and is characterized in that the trailer body comprises a trailer body and four fixed railing panels arranged on the trailer body, railing panel heightening mechanisms are arranged in the four fixed railing panels, each railing panel heightening mechanism comprises a movable railing panel and an air cylinder arranged on the lower side of the movable railing panel, clamping mechanisms are arranged at two ends of each movable railing panel, and when the air cylinder pushes the movable railing panels to extend out of the fixed railing panels, two adjacent movable railing panels can be clamped together through the clamping mechanisms;

the clamping mechanism comprises a plurality of clamping teeth arranged at the end part of the movable breast board and a plurality of limiting assemblies respectively arranged on the clamping teeth;

a limiting plate and a first return spring are arranged in the latch, one end of the first return spring is connected in the latch, and the other end of the first return spring is connected to the limiting plate; under the action of the first return spring, one end of the limiting plate can extend out of the latch from the lower side of the latch;

under the action of the limiting assembly, the limiting plate can retract into the latch;

the limiting assembly comprises a first gear arranged in the latch, a second gear arranged outside the latch and a second rack plate arranged in the fixed railing plate, the first gear and the second gear are arranged on the same gear shaft, and the first rack plate which can be meshed and connected with the first gear is fixedly arranged on the limiting plate;

2. The trailer as claimed in claim 1, wherein said four fixed balustrades are a front balustrade provided on said body, a rear balustrade hinged to said body and two side balustrades.

3. The trailer as claimed in claim 1, wherein a plurality of support mechanisms are further provided in said fixed balustrade;

the supporting mechanism comprises a first supporting rod and a second supporting rod; two inner walls of the fixed breast board are respectively provided with a abdicating groove for abdicating the first supporting rod and the second supporting rod, rotating shafts are rotatably arranged in the two abdicating grooves, and torsion springs are sleeved on the rotating shafts;

the first support rod and the second support rod are respectively arranged on the two rotating shafts;

4. The trailer as claimed in claim 3, wherein the supporting mechanism further comprises a transmission mechanism, the transmission mechanism comprises a connecting rod connected with the movable breast board, a push rod slidably arranged on the rotating shaft and a second return spring connected with the first support rod;

one end of the second reset spring is connected to the rotating shaft, and the other end of the second reset spring is connected to the first support rod;

a limiting groove matched with the first supporting rod is formed in the second supporting rod;