Background technology
Conventional orthodox car tail-board structure is divided into cantilevered, the large class of high low type two.Fig. 1,2 is suspended wall tail-board structure, and connection boatswain chair 2 ' that suspended wall tailgate is worn by equipment fix tailgate and automotive frame A, and sleeve mechanism miscellaneous part except carrying platform 1 ' is all placed in the lower end of car body.Its principle of work: 3 ' control electromagnetic valve in power unit 4 ' by electric cabinet, power unit 4 ', to elevating ram 5 ' fuel feeding, impel elevating ram 5 ' to stretch out and drive lift arm to rotate, and lift arm rotarily drives the vertical motion of carrying platform 1 '; Power unit 4 ' give the oil cylinder 6 ' fuel feeding of closing the door, and oil cylinder 6 ' that close the door stretch out and promote carrying platform 1 ', make carrying platform 1 ' do and rotate the action of closing the door around lift arm upper end axis hole; Electric cabinet 3 ' control power unit 4 ' off-loads, and tailgate leans on the deadweight of carrying platform 1 ' to realize and opens the door, down maneuver.(power unit is comprised of DC machine, oil pump, hydraulic valve, and motor power is provided by vehicle accumulator.)
Fig. 3 is vertical tailgate, and vertical tailgate is connected and fixed by column 2 " and crossbeam 7 " and box body, and sleeve mechanism is placed in the rear end of box body.Its principle of work: package unit is by oil cylinder 3 " stretch out propelling sheave 5 ", and pulley 5 " pulls steel rope 6 ", steel rope 6 " one end is fixed, and the other end connects carrying platform 1 ", steel rope 6 " corner pulley guiding is all housed." in-builtly have a wire controlling button, the rising button of line control machine impels power unit 4 " to oil cylinder 3 " fuel feeding to power unit 4, and oil cylinder 3 " stretches out and impels steel rope to pull carrying platform upward movement; The deadweight that line control machine is controlled power unit 4 " off-load, tailgate is by carrying platform 1 " realizes descending motion; The switch gate action of tailgate is M/C, and mechanism is provided with servomechanism, and after tailgate door-closing in-place, carrying platform 1 is " with latching device.
The tailgate of above two kinds of patterns is all under the driving of engine installation, drives carrying platform lifting between ground and floor compartment, completes lifting, the lifting of goods.Tailgate is a kind of escort handling equipment, and carrying platform is integral structure, during off working state, digs to upright position, stands up and puts compartment afterbody, and play the effect of carriage back door.
Orthodox car tailgate, when packing up, all vertically leans against the position, back door in compartment, after tailgate carrying platform upset level, just can open wide carriage back door passage completely, makes carriage back door completely unlimited, and personnel or goods just can pass in and out compartment.And when moving the goods turnover compartment of quality and small volume, tailgate platform also must at least turn to level attitude and fall temporarily, just can pass in and out compartment, process is more loaded down with trivial details, affects operating efficiency.
At logistics, the goods center of concentrating handling, the mechanical equipment of specialty is more complete, and goods fork truck is more convenient by handling railway platform turnover compartment.But due to the restriction of common tailgate carrying platform to carriage back door, carrying platform must turn to level, be overlapped on handling railway platform, for fork truck turnover; Or tailgate carrying platform is placed to ground, insert the default space under handling railway platform that is positioned at, fork truck just can be by handling railway platform turnover compartment.Which kind of mode is all very inconvenient, greatly affects operating efficiency.Fork truck enters compartment by carrying platform and also may overstep the extreme limit, and damages tailgate hydraulic efficiency pressure system, destroys structure.
Utility model content
Main purpose of the present utility model is to provide a kind of automobile crane tail-board structure, and it can overcome above-mentioned defect, and the convenient logistics centre of handling of concentrating is used, and operating efficiency is high.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of tail-lift for trucks structure, it comprises carrying platform, stage support, platform latch assembly and tailgate lifting turning mechanism, described tailgate lifting turning mechanism is installed on the girder of automobile tail, for making described carrying platform move up and down and fix a point flip-flop movement; Described stage support is connected with described tailgate lifting turning mechanism, and described carrying platform comprises left carrying platform and right carrying platform, and described left bearing platform is connected by described platform latch assembly with right carrying platform; Described carrying platform is connected with described stage support.
Above-mentioned tail-lift for trucks structure, it also further includes platform rotating assembly, and described carrying platform is connected with described stage support by described platform rotating assembly.
Above-mentioned platform rotating assembly is provided with two, is connected respectively with left and right carrying platform.
Above-mentioned platform rotating assembly, it comprises actuating device, driving device and platform rotating shaft, described actuating device, by described driving device, drives described platform rotating shaft to rotate, and two described platform rotating shafts set firmly mutually with left carrying platform and right carrying platform respectively.
Above-mentioned actuating device is oil cylinder with gear racks, and described driving device is gear, and described oil cylinder with gear racks is meshed with gear, and described gear is coaxially connected with platform rotating shaft.
Above-mentioned platform catch gear, comprises handle, transmission component, locking pin and locking hole position (34), and described handle, transmission component and locking pin are located on same carrying platform, and described locking hole position is located on another carrying platform; Described handle is connected with driving gear.
Above-mentioned transmission component includes driving gear, and described locking pin is provided with the tooth bar being meshed with driving gear.
Above-mentioned transmission component also further includes initiatively tooth bar and driven gear, and described active tooth bar is meshed with driving gear and driven gear respectively, and described locking pin is one group, and described driven gear is meshed with the tooth bar on described locking pin.
Above-mentioned platform catch gear also further includes for limiting the positioning component of described active tooth bar, and described positioning component is located at the initiatively outside of tooth bar.
Above-mentioned positioning component, comprises registration mast and catch, and described catch is movably arranged on described registration mast.
Adopt after technique scheme, during use, because tailgate carrying platform adopts two of left and right, middle by catch gear partable.While being combined, become as a whole, can integral elevating starting parcel.Separately, can, respectively to two sideway swivels, passage behind compartment be opened completely.No matter manually the handling of handling or big machinery all can be accomplished unblocked, efficiently convenient.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in figure 4, the utility model discloses a kind of tail-lift for trucks structure, it comprises carrying platform 1, stage support 2, platform catch gear 3, tailgate lifting turning mechanism 4 and platform rotating assembly 5, wherein:
Coordinate shown in Fig. 5,6,7, carrying platform 1, it comprises left carrying platform 11 and right carrying platform 12; Left and right carrying platform 11,12 connects by platform catch gear 3, and left and right carrying platform 11,12 is connected with automobile by platform rotating assembly 5.
Shown in figure 8,9,10, platform catch gear 3, it comprises handle 31, transmission component 32, locking pin 33 and locking hole position 34, wherein:
Transmission component 32 comprises, driving gear 321, active tooth bar 322, driven gear 323, during enforcement, driven gear 323 is at least one, in the present embodiment, driven gear 323 is four, and driving gear 321 is meshed with active tooth bar 322, and initiatively tooth bar 322 is meshed with four driven gears 323.
Locking pin 33 is one group, and the structure of each locking pin 33 is identical, coordinates shown in Fig. 8, and each locking pin 33 is provided with tooth bar 331.In the present embodiment, this locking pin 33 is provided with five, and wherein the tooth bar 331 of four locking pins 33, is meshed with four driven gears 323 respectively.One of them locking pin 33 is meshed with driving gear 321.
Shown in Figure 10, handle 31 is connected with the axle of driving gear 321, and it can drive driving gear 321 to rotate.
Locking hole position 34, its number is corresponding with the number of locking pin 33, and in the present embodiment, its number is five.
Handle 31, transmission component 32 and locking pin 33 are assemblied on a carrying platform, and locking hole position 34 is assemblied on another carrying platform.In the present embodiment, during assembling, handle 31, transmission component 32 and locking pin 33 are assemblied on right carrying platform 12, and locking hole position 34 is assemblied on left carrying platform 11.During use, when wanting 11,12 locking of left and right carrying platform, rotate counterclockwise handle 31, make it drive driving gear 321 to rotate counterclockwise, meanwhile, driving gear 321 drives initiatively tooth bar 322 to move up, and initiatively tooth bar 322 drives the driven gear 323 being meshed with it to rotate counterclockwise, driven gear 323 drives locking pin 33 to move in locking hole position 34 corresponding thereto left by the tooth bar 331 on locking pin 33, thereby makes 11,12 lockings of left and right carrying platform.When wanting left and right carrying platform to unclamp, clockwise rotate handle 31, drive driving gear 321 to clockwise rotate, simultaneously, driving gear 321 drives initiatively tooth bar 322 to move down, and initiatively tooth bar 322 drives the driven gear 323 being meshed with it to clockwise rotate, and driven gear 323 drives locking pin 33 to right translation again, make its separating lock tieholen position 34, thereby make 11,12 releases of left and right carrying platform.
When implementing, platform catch gear 3 also further includes positioning component 35, coordinates shown in Fig. 8, and this positioning component 35 is one group, and each positioning component 35 is located at the initiatively outside of tooth bar 322.Each positioning component 35, comprise a registration mast 351 and catch 352, registration mast 351 lower end 3511 diameters are slightly large, for limiting initiatively tooth bar 322 displacement to the right, registration mast 351 upper ends are provided with the cylinder 3512 that diameter is slightly little, and catch 352 one end are provided with cylinder 3512 and are arranged with hole 3521, during assembling, by catch 352 3521 axis rotation along hole, make catch 352 be located at the initiatively outside of tooth bar 322, play the effect that initiatively tooth bar 322 outwards comes off that limits.
Shown in Figure 11, platform rotating assembly 5, it comprises actuating device, driving device and platform rotating shaft 53, and actuating device is by driving device, and band moving platform rotating shaft 53 is rotated.In the present embodiment, this actuating device is oil cylinder with gear racks 51, and driving device is gear 52, and gear 52 is coaxially connected with platform rotating shaft 53, and gear 52 is meshed with the tooth bar 511 of oil cylinder with gear racks 51.In the present embodiment, platform rotating assembly 5 is provided with two, is located at the left side for one, and one is located at the right, and two platform rotating shafts 53 set firmly with left and right carrying platform 11,12 respectively.During use, platform rotating assembly 5, oil cylinder with gear racks 51 starts, tooth bar 511 driven gears 52 rotate, drive with its coaxial platform rotating shaft being connected 53 again and rotate, the platform rotating shaft 53 of being located at the left side drives the left carrying platform 11 setting firmly with it to rotate again, and the platform rotating shaft 53 of being located at the right drives the right carrying platform 12 setting firmly with it to rotate, thereby realize left and right carrying platform 11,12, open two sides of car of turning direction.
Shown in Figure 11, stage support 2, it includes platform 21 and is located at the stay bearing plate 22 of the vertical setting of platform 21 belows, and platform 21 is provided with mounting hole 211, and platform rotating shaft 53 is connected with the gear 52 of being located at platform 21 belows through this mounting hole 211; Oil cylinder with gear racks 51 is located at the below of platform 21.Stay bearing plate 22 is provided with one group, for connecting tailgate lifting turning mechanism 4.
Shown in figure 4,12, tailgate lifting turning mechanism 4, it is fixed on the girder of automobile tail.Comprise electric cabinet 41, power unit 42 and upset assembly 43, in the present embodiment, upset assembly 43 is made as identical two, is located at respectively the two ends of automobile main beams.
Upset assembly 43, it is connected with the stay bearing plate 22 of stage support 2 by bearing pin.When implementing, upset assembly 43 can be cylinder.During use, by electric cabinet 41, control power unit 42, and then control upset assembly 43, make left and right carrying platform 11,12 carry out up-and-down movement or fixed point flip-flop movement.
Use the technical solution of the utility model, under travelling position, left and right carrying platform 11,12 connects by platform catch gear 3, and now, left and right carrying platform 11,12 exists as the rear railway carriage or compartment lid of automobile.When needs left and right carrying platform at least turn to level attitude and falls, by platform catch gear 3, left and right carrying platform and platform rotating shaft 53, connect as one, can, under the effect of tailgate lifting turning mechanism 4, with stage support 2, move up and down and fix a point flip-flop movement.Complete lifting lifting and the turn over function of tailgate.In addition, when goods needs a dead lift handling or fast loads and unloads by big machineries such as fork trucks, open platform catch gear 3, left and right carrying platform 11,12 departed from each other, and with stage support 2 releases.Platform 2 support positions are constant.Under the effect of left platform rotating assembly 5, left and right carrying platform 11,12 is respectively around platform rotating shaft 53 270 ° of turning clockwises left, and the rear passage in compartment is opened completely.
Otherwise left and right carrying platform 11,12 turns left 270 ° to the right around platform rotating shaft 53 respectively, left and right carrying platform 11,12 is got back to original position.Locking platform catch gear 3, connects as one left and right carrying platform 11,12 and stage support 2.With stage support 2, move up and down in overall or fix a point flip-flop movement.
The difference of this programme and prior art is: can block compartment rear channels with the carrying platform of prior art tailgate, or take trailing space behind compartment, when needs are used manually or use big machinery by compartment afterbody handling goods, can cause very big inconvenience, affect handling efficiency, the scope of promoting the use of of product and technology that limited is compared, the technical solution of the utility model, because tailgate carrying platform adopts two of left and right, middle by catch gear partable.While being combined, become as a whole, can integral elevating starting parcel.Separately, can, respectively to two sideway swivels, passage behind compartment be opened completely.No matter manually the handling of handling or big machinery all can be accomplished unblocked, efficiently convenient.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.