CN109383638A

CN109383638A - Wheelspan and compartment can be widened, narrowed double-layer transport vehicle

Info

Publication number: CN109383638A
Application number: CN201710726889.5A
Authority: CN
Inventors: 宗春成; 李建荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2019-02-26

Abstract

The present invention relates to a kind of wheelspans and compartment to widen, narrowed double-layer transport vehicle headstock is constant, carriage body is completed broadening and is narrowed, crossbeam is same group of crossbeam in lower layer's crossbeam and headstock, crossbeam both sides are fixed with multiple groups stringer, both sides compartment board, which is all mounted on stringer, to be relaxed to both sides, narrowed pumping slot is put on, bottom, which is equipped with, to be widened to both sides, narrowed differential mechanism, cross sedan-chair and bracket, multiple groups hydraulically extensible stick and telescopic are installed between bracket vertical plates on both sides, wheel hub is equipped on the cant board axis hole of bracket both sides to be widened to both sides, narrowed differential mechanism and sedan-chair excessively, lower deck compartment plate both sides are equipped with lifting device, rear portion is equipped with hydraulic top and stretches device and auxiliary apparatus for getting on/down, towed vehicle device is installed among rear portion, motor turning, brake system, oil, gas, circuit is constant etc..

Description

The double-layer transport vehicle that wheelspan and compartment can be widened, be narrowed

Technical field

The present invention relates to a kind of wheelspans and compartment can widen narrowed double-layer transport vehicle, it is characterized in that headstock is constant, it is rear to transport Defeated car body wheelspan and compartment can be widened or be narrowed, and technical field of automobile design is belonged to.

Background technique

Existing transport vehicle generally comprises headstock, rear carriage body, and rear carriage body wheelspan and compartment are fixed, because This cannot according to specific circumstances be adjusted the width of transport vehicle.

Summary of the invention

The purpose of the present invention is in view of the above-mentioned problems of the prior art, providing a kind of wheelspan and compartment can widen or receive Narrow double-layer transport vehicle, it is characterized in that: the transport vehicle includes headstock, carriage body.

The invention is realized in this way it is achieved in that wheelspan and compartment can widen narrowed double-layer transport vehicle, it is special Sign is: being with group crossbeam including crossbeam in lower layer's crossbeam, upper layer crossbeam, lower layer's crossbeam and preceding headstock, lower layer's crossbeam and upper layer are big Beam both sides are fixed with multiple groups stringer, and the pumping slot or set that can be widened or narrow to both sides, both sides compartment board difference are equipped on stringer The pumping slot that is fixedly mounted on two side girder of crossbeam is put on, the first compartment board of compartment lower layer, the second compartment board, middle compartment What plate, the first compartment board of compartment upper layer, the second compartment board, middle compartment plate, wheel hub can relax or narrow to both sides crosses sedan-chair and difference Fast device, what can be relaxed or narrow to both sides crosses sedan-chair bracket and differential mechanism bracket, and bracket is equipped with and can widen or narrow to both sides Multiple groups telescopic and multiple groups hydraulically extensible stick, lower deck compartment plate are equipped with the first lifting device, the second lifting device, lifting device It is inside fitted with hydraulic top and stretches device, by that can relax or narrow to both sides between the first lifting device a, the second lifting device a Telescopic connection, telescopic first sleeve connect with the first lifting device a, and the second casing is connect with the second lifting device a, the Sleeve and the second casing cover in intermediate casing from both sides, pass through connecting rod between the first lifting device a and the first lifting device b Connection, by connecting rod connection between the second lifting device a and the second lifting device b, upper layer the first compartment board bottom surface is fixed on the Hydraulic top is stretched at the top of device in one lifting device a and the first lifting device b, and upper layer the second compartment board bottom surface is fixed on the second lifting Hydraulic top is stretched at the top of device in device a, the second lifting device b, and upper deck carriage stretches device by hydraulic top in lifting device can It is raised and lowered.

What the wheel hub can be widened or be narrowed to both sides crosses sedan-chair, and crossing sedan-chair has 2 two kinds of 1 feature of feature, and feature 1 has: first set Pipe, the second casing, jackshaft, the first wheel hub, the second wheel hub, first sleeve, the second casing cover on jackshaft from both sides, and first There is inner sleeve tooth in casing, there is inner sleeve tooth in the second casing, there is housing tooth on jackshaft, inner sleeve tooth in first sleeve, the second casing Inner sleeve tooth is mutually engaged with the housing tooth on jackshaft, first sleeve, and the second casing and jackshaft have broadening to narrow required limit Position device and fixed locking device, the first wheel hub are mounted on first sleeve outer end by bearing and Luo Si and can be rotated, the second wheel hub Being mounted on the second casing outer end by bearing and Luo Si can be rotated, and tire is equipped on wheel hub.

The sedan-chair feature 2 of crossing that the wheel hub can be widened or be narrowed to both sides has: first sleeve, the second casing, intermediate casing, the One wheel hub, the second wheel hub, first sleeve, the second casing cover in intermediate casing from both sides, and first sleeve, the second casing can be Axis has housing tooth in first sleeve, there is housing tooth on the second casing, there is inner sleeve tooth in intermediate casing, first sleeve housing tooth, and Two casing housing teeth are mutually engaged with the inner sleeve tooth in intermediate casing, first sleeve, and the second casing and intermediate casing have broadening to narrow Required limiting device and fixed locking device, the first wheel hub are mounted on first sleeve outer end by bearing and Luo Si and can be rotated, Second wheel hub is mounted on the second casing outer end by bearing and Luo Si and can be rotated, and tire is equipped on wheel hub.

It is described to be widened to both sides or narrowed differential mechanism bracket and cross sedan-chair bracket, differential mechanism bracket and to cross sedan-chair bracket be same A kind of structure, bracket have: the first bottom plate, the second bottom plate, central floor panel, are fixed with the first cant board on the first bottom plate, and second It is fixed with the second cant board on bottom plate, crosses between the first cant board of the first bottom plate of sedan-chair and second the second cant board of bottom plate that be equipped with can be to The narrowed multiple groups hydraulically extensible stick and multiple groups telescopic of formula is relaxed on both sides, flexible to be cased with first sleeve, the second casing and intermediate sleeve Pipe composition, first sleeve and the second casing cover in intermediate casing from both sides, intermediate casing and first sleeve, between the second casing There is broadening to narrow required limiting device and fixed locking device, hydraulically extensible stick one end and the fixed company of the first cant board It connects, the other end is fixedly connected with the second cant board；Centre be fixedly connected with bracket central floor panel, the telescopic first sleeve and First bottom plate and the first cant board are fixedly connected, and the second casing of telescopic is fixedly connected with the second bottom plate and the second cant board, are stretched Contracting set intermediate casing is fixedly connected with bracket central floor panel, and the first cant board respectively has a hole on the second cant board, for installation to Both sides are relaxed or that narrows crosses sedan-chair first sleeve and the second casing, and differential mechanism both sides Quadruplet pipe a and Quadruplet pipe b cross sedan-chair branch The first bottom plate of frame, the second bottom plate are fixedly installed with multiple groups vibration damping connection device in central floor panel, vibration damping connection dress on the first bottom plate It sets and is fixedly connected with the first platform floor of lower layer bottom surface, the vibration damping connection device on the second bottom plate and the second platform floor of lower layer bottom Face is fixedly connected, and the vibration damping connection device in central floor panel is connect with lower layer's middle compartment board bottom face and lower layer's crossbeam, and vibration damping connects Connection device, which plays, to be not connected to body and can move up and down and can not all around move, and bracket passes through the work of hydraulically extensible stick and telescopic With can to both sides widen or to centre narrow.

The wheel hub can be widened to both sides or narrowed differential mechanism has: gear hub, have a full set of gear, gear hub in gear hub Interior both sides are connected with first set tooth pipe a, first set tooth pipe b, first axle a, first axle b, the second casing a, the second casing b, third Casing a, the third casing wheel hub of b, Quadruplet pipe a, Quadruplet pipe b, first a, the first wheel hub b, the first semiaxis a, the first semiaxis b, First set tooth pipe a first set tooth pipe b is connect with gear hub internal gear, be equipped in first set tooth pipe a and the second casing a inner sleeve tooth with External tooth is mutually engaged on first axle a, is mutually engaged equipped with inner sleeve tooth with external tooth on first axle b in first set tooth pipe b and the second casing b, The length of first axle a and first axle b are longer than wheel hub to length needed for the broadening of both sides, and the second casing a is fixed on the by bearing In Quadruplet pipe a, the second casing b is fixed in Quadruplet pipe b by bearing, in third casing a and third casing b and differential mechanism Between gear hub can be entirety, gear hub both sides can also be fixedly mounted on by sieve silk, third casing a is covered in Quadruplet pipe a On, there is inner sleeve tooth to be mutually engaged with Quadruplet pipe a external tooth in third casing a, there is broadening to receive between third casing a and Quadruplet pipe a Narrow required limiting device, third casing b cover on Quadruplet pipe b, have inner sleeve tooth and Quadruplet pipe b external tooth in third casing b It is mutually engaged, there is broadening to narrow required limiting device between third casing b and Quadruplet pipe b, the first wheel hub a passes through bearing and sieve Silk is mounted on Quadruplet pipe a end and can be rotated, and the first wheel hub b is mounted on Quadruplet pipe b end by bearing and Luo Si and can be rotated, First semiaxis a is mounted on the first wheel hub a by sieve silk, and the first semiaxis b is mounted on the first wheel hub b by sieve silk, and the first half Axis a mono- puts in the second casing a, and external tooth is mutually engaged with the second casing a inner sleeve tooth before the first semiaxis a, and the first semiaxis b mono- stretches Into in the second casing b, external tooth is mutually engaged with the second casing b inner sleeve tooth before the first semiaxis b, is pacified on the first wheel hub a, the first wheel hub b Equipped with tire.

The rear portion both sides are equipped with hydraulic top and stretch device, and hydraulic top stretches device and is mounted below pulley, and pulley can be longitudinal Rotation, rear portion are equipped with control master switch, control hydraulic top in carriage body and stretch device, hydraulically extensible stick, hydraulic telescopic device And electrical connection, the first, the second compartment board of rear portion lower layer tail portion are equipped with auxiliary apparatus for getting on/down, are equipped with and pull among rear tail portion Vehicle device.

It is described to be implemented when carriage body wheelspan and compartment need to widen or narrow: to unclamp both sides compartment board and vertical Fixation device between beam unclamps telescopic first sleeve between preceding two lifting device, between the second casing and intermediate casing Differential mechanism bracket can be relaxed to both sides or be narrowed to fixed device, release, cross first sleeve on sedan-chair bracket bottom plate telescopic, and second set Manage the fixation device between intermediate casing, unclamped sedan-chair first sleeve, the fixation device between the second casing and intermediate casing, The fixation device on differential mechanism both sides Quadruplet pipe and gear hub both sides third casing is unclamped, rear hydraulic top is stretched into device and is pushed up downwards It stretches, top stretches device pulley and lands, and carriage body tire is raised liftoff；The hydraulically extensible that bottom can be relaxed or be narrowed to both sides Stick is widened to both sides or is narrowed to centre, and hydraulically extensible stick both ends push the first cant board of bracket, the second cant board to expand to both sides It is wide or narrowed to centre, it crosses sedan-chair first sleeve and is fixed on the first cant board axis hole, wheel hub is mounted on the by bearing and Luo Si Sleeve end can be rotated, and crosses the second casing of sedan-chair and is fixed on second side vertical plate axis hole, wheel hub is mounted on by bearing and Luo Si Second casing end can be rotated, and differential mechanism Quadruplet pipe a is mounted on the first cant board axis hole, and Quadruplet pipe b is mounted on second On cant board axis hole, the first wheel hub is mounted connected to Quadruplet pipe a end by bearing and Luo Si and can be rotated, and the second wheel hub passes through bearing Being mounted connected to Quadruplet pipe b end with sieve silk can be rotated, and tire is equipped on wheel hub, cross sedan-chair first sleeve, the second casing and differential Device Quadruplet pipe a and Quadruplet pipe b are stretched by hydraulically extensible stick, and contracting can expand with the first cant board, the second cant board to both sides Wide or narrowed to centre, the first bottom plate of bottom is fixedly connected with the first cant board, and the second bottom plate of bottom is fixed with the second cant board Connection, compartment the first lower deck compartment board bottom portion, which is fixed on, all right one way or the other on stringer to relax the narrowed pumping slot of formula to both sides or puts on, compartment The pumping slot or put on, vibration damping on the first bottom plate of bottom that the fixed stringer in second lower deck compartment plate board bottom portion can relax or narrow to both sides Attachment device is fixedly connected with the first lower deck compartment board bottom face, vibration damping connection device and the second lower deck compartment on the second bottom plate of bottom Board bottom face is fixedly connected, be fixedly installed on compartment the first lower deck compartment plate the first act stretch device a, first lift stretch device b, compartment Be fixedly installed on second lower deck compartment plate the second act stretch device a, second lift stretch device b, the first imperial board bottom face is fixed Hydraulic top stretches device upper top in the first lifting device a and the first lifting device b, and the second imperial board bottom face is fixed on Hydraulic top stretches device upper top in two the second lifting device of lifting device a b, in central floor panel among vibration damping connection device and lower layer The connection of compartment board bottom surface, lower layer's middle compartment bottom plate are fixed with lower layer's crossbeam, solid among bottom central floor panel and hydraulically extensible stick Fixed, bottom intermediate plate is fixedly connected with differential gear shell, and bottom intermediate plate is fixed with telescopic intermediate casing, telescopic first Set is fixed with the first cant board and the first bottom plate, and second set of telescopic is fixed with the second cant board and the second bottom plate, crosses sedan-chair first Casing is fixed with the first cant board and the first bottom plate, and the second casing is fixed with the second cant board and the second bottom plate, by rear both sides liquid Bear down on one to stretch device and push up downwards and stretch, pulley lands, and rear carriage body tire is raised to liftoff, lower sheave rotation, bottom hydraulically extensible When first cant board and the second cant board are widened to both sides centered on lower layer's crossbeam or are narrowed by stick, the first compartment board, second Compartment board will be widened to both sides or be narrowed, the first lifting device, second centered on crossbeam by pumping slot on stringer or set Lifting device will be by the first lower deck compartment plate, and the second lower deck compartment plate is widened or received to both sides centered on intermediate crossbeam Narrow, telescopic first sleeve between the first lifting device a and the second lifting device a, the second casing is out of intermediate casing to both sides Broadening narrows, and both sides wheel hub will be widened centered on gear hub to both sides from third casing by differential mechanism Quadruplet pipe Or narrow, sedan-chair, first sleeve on telescopic are crossed, the second casing will be widened or be narrowed to both sides centered on intermediate casing, when Wheelspan and compartment broadening narrow when reaching design width, and the limiting device between both sides compartment board and stringer will play Position-limiting action, while compartment board and stringer being fixed, telescopic first sleeve, the limit dress between the second casing and intermediate casing It sets and just plays position-limiting action, while by first sleeve, the second casing is fixed with intermediate casing, by the first lifting device a and second Telescopic first sleeve between lifting device a, the second casing are fixed with intermediate casing, differential mechanism Quadruplet pipe and third casing it Between it is fixed, both sides hydraulic top is stretched into device and is packed up, entire carriage body wheelspan and compartment will be centered on lower layer's crossbeams to two Equity broadening in side narrows.

Engine, gearbox are installed, gearbox connects transmission shaft, and transmission shaft is connect with differential mechanism, transports in the headstock 1 Defeated vehicle steering system, brake system, oil circuit, gas circuit, circuit system is constant, and headstock and rear carriage body pass through lower layer's crossbeam and biography Moving axis connects, and crossbeam is same group of crossbeam in preceding lower layer's crossbeam and headstock.

First lower plywood of carriage body compartment, the second lower plywood of compartment tail portion be respectively connected with auxiliary down devices, Carriage body rear portion both sides are equipped with hydraulic top and stretch device, and top stretches device and is equipped with the pulley that can be longitudinally rotated, transport vehicle below It is equipped with towed vehicle device among the rear portion of body, control switch is additionally provided in carriage body, control switch controls carriage body upper liquid Pressure extension stem, top stretch device, hydraulic telescopic device and electrical connection in telescopic joint.

As long as the double-layer transport vehicle by lower deck compartment plate lifting device and upper deck carriage remove, reform into wheelspan The single layer transport vehicle that can be widened or narrow with compartment.

Structure of the invention is reasonable, the advanced science of method, through the invention, when in use, can according to demand, and headstock is kept It is constant, the adjusting of width is carried out to carriage body.

Detailed description of the invention

Fig. 1 is the transport wheels of the present invention entirety narrowed away from the overall structure diagram and wheelspan widened with compartment and compartment Structural schematic diagram and.

Fig. 2 is the overall structure diagram of transport vehicle of the present invention, middle part and bottom substance schematic diagram.

Fig. 3 crosses sedan-chair for what the both sides wheel hub of transport vehicle of the present invention can be widened or be narrowed to both sides, crosses sedan-chair feature 1: widening, receives Narrow, overall structure diagram, feature 2: broadening narrows, overall structure diagram.

Fig. 4 is the differential mechanism that wheel hub can be widened or be narrowed to both sides in the present invention: broadening narrows, overall structure diagram.

Fig. 5 crosses sedan-chair bracket and differential mechanism rack assumption diagram for what can be widened or narrow to both sides in the present invention, and broadening narrows Schematic diagram.

Specific embodiment

In order to better understand the present invention, with reference to the accompanying drawing and the contents of the present invention are explained further in example, a kind of Wheelspan and compartment can widen narrowed double-layer transport vehicle: 1 headstock, 2 carriage bodies include: the compartment 2-1 the first lower deck compartment bottom plate, The compartment 2-2 the second lower deck compartment bottom plate, the compartment 2-3 lower layer middle compartment bottom plate, the compartment 2-4 the first imperial bottom plate, 2-5 vehicle Compartment the second imperial bottom plate, the compartment 2-6 upper layer middle compartment bottom plate, what wheel hub can relax or narrow to both sides crosses sedan-chair: 3-1 the Sleeve, the second casing of 3-2,3-3 intermediate casing, the first wheel hub of 3-4, the second wheel hub of 3-5 can relax or narrow to both sides Cross sedan-chair bracket and differential mechanism bracket: the first bottom plate of 2-7, the second bottom plate of 2-8,2-9 central floor panel, the first cant board of 2-10,2-11 Second cant board, telescopic 2-14 first sleeve, the second casing of 2-15,2-16 intermediate casing, 2-17 lower layer crossbeam, under 2-17-1 The first stringer of layer, the second stringer of 2-17-2 lower layer, the upper layer 2-18 crossbeam, the first stringer of the upper layer 2-18-1, the upper layer 2-18-2 second Stringer, the first second second lifting device of lifting device a, 2-22 of lifting device b, 2-21 of the first lifting device of 2-19 a, 2-20 Vibration damping connection device before b, 2-24, telescopic 2-23-3 intermediate casing between preceding first lifting device a and the second lifting device a, 2-23-1 telescopic first set, second set of 2-23-2 telescopic, the 2-25 hydraulically extensible stick that can be widened or narrow to both sides, wheel hub The differential mechanism that can be widened or narrow to both sides: 4-1 first axle a, 4-1-1 first axle b, 4-2 first set tooth pipe a, 4-2-1 first set Second set of tooth pipe b, 4-3 second set of tooth pipe a, 4-3-1 tooth pipe b, 4-4 third cover tooth pipe a, 4-4-1 third set tooth pipe b, 4-5 the The first first first wheel hub a, 4-7-1 of semiaxis b, 4-7 of semiaxis a, 4-6-1 of four sets of tooth pipes a, 4-5-1 the 4th set of tooth pipe b, 4-6 There is a full set of gear in one wheel hub b, 4-8 gear hub gear hub, vibration damping connection device after 2-24, the first auxiliary is got on or off the bus dress after 2-26 It sets, the second auxiliary apparatus for getting on/down of 2-26-1, trailer arrangement after 2-27, the first hydraulic top of 2-28 stretches device, the second liquid of 2-28-1 Bear down on one and stretch device, 2-30 controls master switch, 2-29 first connecting rod between lifting device, the second connecting rod of 2-29-1,10 tires.

The carriage body: crossbeam is with group crossbeam in 2-17 lower layer crossbeam and headstock, and it is vertical that crossbeam both sides are fixed with multiple groups Beam is equipped with and can be widened to both sides on stringer, narrowed pumping slot or set, and 2-17 lower layer crossbeam is two crossbeams, between two crossbeams It is fixedly connected, the pumping slot or put on, compartment that first compartment board of compartment lower layer 2-1 bottom is fixed on the first stringer of 2-17-1 The pumping slot or put on that the second compartment board of lower layer 2-2 bottom is fixed on the second stringer of 2-17-2, the first compartment board of 2-1,2-2 Two compartment boards can be widened on 2-17 lower layer crossbeam two sides 2-17-1 the first stringer the second stringer of 2-17-2 to both sides or to centre It narrows, lower layer 2-3 middle compartment plate is fixedly connected with 2-17 lower layer crossbeam, and the first compartment board bottom compartment upper layer 2-4 is solid The pumping slot that is scheduled on the first stringer of upper layer 2-18-1 is put on, and compartment upper layer the second compartment board of 2-5 bottom is fixed on upper layer 2-18- Pumping slot on 2 second stringers is put on, the first compartment board of upper layer 2-4, and the second compartment board of upper layer 2-5 can be in upper layer 2-18 crossbeam two The second stringer b pumping slot of the first stringer of side 2-18-1 a, 2-18-2 puts on to both sides broadening or narrows to centre, in the 2-6 of upper layer Between compartment board be fixedly connected with upper layer 2-18 crossbeam.

The lifting dress of the first lifting device of 2-19 a, 2-20 first is fixedly installed on first compartment board of lower deck compartment 2-1 B is set, the second lifting device b of the second lifting device of 2-21 a, 2-22 is fixedly installed on the second compartment board of lower deck compartment 2-2, is lifted It is fitted with hydraulic top in device and stretches device, passing through between the second front end lifting device a the first lifting device of 2-19 a, 2-21 can The telescopic connection relaxed to both sides or narrowed, 2-23-1 telescopic first sleeve are connect with the first lifting device of 2-19 a, 2- The second casing of 23-2 is connect with the second lifting device of 2-21 b, and 2-23-1 first sleeve and the second casing of 2-23-2 are covered from both sides In 2-23-3 intermediate casing, the first compartment board of upper layer 2-4 bottom surface is fixed on 2-19 the first lifting device a and 2-20 first lifting dress It sets hydraulic top in b to stretch at the top of device, the second compartment board of upper layer 2-5 bottom surface is fixed on the act of the second lifting device of 2-21 a, 2-22 second It rises in device b at the top of hydraulic telescopic device, passes through 2-29 the between 2-19 the first lifting device of the first lifting device a and 2-20 b One connecting rod connects, and is connected between 2-21 the second lifting device of the second lifting device a and 2-22 b by the second connecting rod of 2-29, Upper deck carriage can stretch device by hydraulic top in lifting device and be raised and lowered.

The sedan-chair feature 1 of crossing that the wheel hub can be widened or be narrowed to both sides has: 3-1 first sleeve, the second casing of 3-2, in 3-3 Between casing, the first wheel hub of 3-4, the second wheel hub of 3-5,3-1 first sleeve, the second casing of 3-2 covers from both sides in 3-3 intermediate casing It is interior, there is housing tooth in 3-1 first sleeve, there is housing tooth on the second casing of 3-2, there is inner sleeve tooth, 3-1 first in 3-3 intermediate casing Casing housing tooth, 3-2 the second casing housing tooth are mutually engaged with the inner sleeve tooth in 3-3 intermediate casing, 3-1 first sleeve, 3-2 second Casing and 3-3 intermediate casing have broadening to narrow required limiting device and fixed locking device, the first wheel hub of 3-4 by bearing with Sieve silk is mounted on 3-1 first sleeve outer end and can be rotated, and the second wheel hub of 3-5 is mounted on outside the second casing of 3-2 by bearing and Luo Si End can be rotated, and 10 tires are equipped on wheel hub.

The sedan-chair feature 2 of crossing that the wheel hub can be widened or be narrowed to both sides has: 3-1 first sleeve, the second casing of 3-2, in 3-3 Between axis, the first wheel hub of 3-4, the second wheel hub of 3-5,3-1 first sleeve, the second casing of 3-2 covers on 3-3 jackshaft from both sides, 3- Have inner sleeve tooth in 1 first sleeve, there is inner sleeve tooth in the second casing of 3-2, there is housing tooth on 3-3 jackshaft, in 3-1 first sleeve in Cover tooth, inner sleeve tooth is mutually engaged with the housing tooth on 3-3 jackshaft in the second casing of 3-2,3-1 first sleeve, the second casing of 3-2 and 3-3 jackshaft has broadening to narrow required limiting device and fixed locking device, and the first wheel hub of 3-4 passes through bearing and Luo Si installation It can be rotated in 3-1 first sleeve outer end, the second wheel hub of 3-5 is mounted on the second casing outer end 3-2 by bearing and Luo Si and can be rotated, 10 tires are installed on wheel hub.

The wheel hub can be widened to both sides or narrowed differential mechanism has: 4-8 gear hub, have a full set of gear, 4-8 in gear hub There is 4-2 first set tooth pipe a, 4-2-1 first set tooth pipe b, 4-1 first axle a, 4-1-1 first axle b, 4-3 second on both sides in gear hub The second casing b, 4-4 third casing a, 4-4-1 third casing b, 4-5 Quadruplet pipe a, 4-5-1 Quadruplet pipe of casing a, 4-3-1 B, 4-7 first wheel hub a, 4-7-1 first wheel hub b, 4-6 first semiaxis a, 4-6-1 first semiaxis b, 4-2 first set tooth pipe a and 4- It is equipped with inner sleeve tooth in 3 second casing a to be mutually engaged with external tooth on 4-1 first axle a, second set of b and 4-3-1 of tooth pipe of 4-2-1 first set It is equipped with inner sleeve tooth in pipe b to be mutually engaged with external tooth on 4-1-1 first axle b, 4-3 the second casing a is fixed on the 4th set of 4-5 by bearing In pipe a, 4-3-1 the second casing b is fixed in 4-5-1 Quadruplet pipe b by bearing, 4-4 third casing a and 4-4-1 third set Pipe b and differential mechanism centre 4-8 gear hub can be entirety, and 4-8 gear hub both sides, 4-5 can also be fixedly mounted on by sieve silk Quadruplet pipe a covers in 4-4 third casing a, has inner sleeve tooth to be mutually engaged with 4-5 Quadruplet pipe a external tooth in 4-4 third casing a, 4- There is broadening to narrow required limiting device between 4 third casing a and 4-5 Quadruplet pipe a, 4-5-1 Quadruplet pipe b is covered in 4-4-1 In third casing b, there is inner sleeve tooth to be mutually engaged with 4-5-1 Quadruplet pipe b external tooth in 4-4-1 third casing b, 4-4-1 third casing b There is broadening to narrow required limiting device between 4-5-1 Quadruplet pipe b, the first wheel hub of 4-7 a is mounted on by bearing and Luo Si 4-5 Quadruplet pipe a end, 4-7-1 the first wheel hub b are mounted on 4-5-1 Quadruplet pipe b end, 4-6 by bearing and Luo Si One semiaxis a is mounted on the first wheel hub of 4-7 a by sieve silk, and 4-6-1 the first semiaxis b is mounted on the first wheel hub of 4-7 b by sieve silk On, the first semiaxis of 4-6 a mono- puts in the second casing of 4-3 a, external tooth and the second casing of 4-3 a inner sleeve tooth before the first semiaxis of 4-6 a It is mutually engaged, the first semiaxis of 4-6-1 b mono- puts in the second casing of 4-3-1 b, external tooth and 4-3-1 the before the first semiaxis of 4-6-1 b Two casing b inner sleeve teeth are mutually engaged, and 10 tires are equipped on wheel hub.

What the carriage body bottom can be widened or narrow to both sides crosses sedan-chair bracket and differential mechanism bracket, crosses sedan-chair bracket and difference Fast device bracket is same structure, and bracket has: the first bottom plate of 2-7, the second bottom plate of 2-8,2-9 central floor panel, in the first bottom plate of 2-7 On be fixed with the first cant board of 2-10, the second cant board of 2-11, the first bottom plate of 2-7 and 2-10 are fixed on the second bottom plate of 2-8 Being equipped with several groups between the second cant board of one cant board and the second bottom plate of 2-8 and 2-11 can relax to both sides, and narrowed 2-25 is hydraulic Extension stem, the telescopic that can relax or narrow to both sides, it is flexible to be cased with 2-14 first sleeve, among the second casing of 2-15 and 2-16 Casing composition, telescopic 2-14 first sleeve, the second casing of 2-15 cover in 2-16 intermediate casing from both sides, and the 2-25 is hydraulic Extension stem one end is fixedly connected with the first cant board of 2-10, and the other end is fixedly connected with the second cant board of 2-11；2-25 extension stem Centre is fixedly connected with bracket 2-9 central floor panel, the telescopic 2-14 first sleeve and the first side of the first bottom plate of 2-1 and 2-10 Vertical plate is fixedly connected, and the second casing of telescopic 2-15 is fixedly connected with the second bottom plate of 2-2 and the second cant board of 2-11, telescopic 2- 16 intermediate casings are fixedly connected with bracket 2-9 central floor panel, telescopic 2-14 first sleeve, among the second casing of 2-15 and 2-16 There is broadening to narrow required limiting device and fixed locking device, the first cant board of 2-10, the second cant board of 2-11 between casing On respectively have an axis hole, the axis hole on the second cant board of the first cant board of 2-10 and 2-11 for be fixedly mounted can relax to both sides or Sedan-chair and differential mechanism were narrowed, sedan-chair 3-1 first sleeve is crossed and is mounted on 2-10 the first cant board axis hole, the second casing of 3-2 is mounted on On 2-11 second side vertical plate axis hole, differential mechanism 4-5 Quadruplet pipe a is mounted on 2-10 the first cant board axis hole, 4-5-1 the 4th Casing b is mounted on 2-11 second side vertical plate axis hole, the first bottom plate of bracket 2-7, the second bottom plate of 2-8, solid in 2-9 central floor panel Dingan County is equipped with multiple groups 2-24 vibration damping connection device, vibration damping connection device and the first platform floor of lower layer 2-1 bottom on the first bottom plate of 2-7 Face is fixedly connected, and the vibration damping connection device on the second bottom plate of 2-8 is fixedly connected with the second platform floor of lower layer 2-2 bottom surface, in 2-9 Between vibration damping connection device on bottom plate be fixedly connected with lower layer 2-3 middle compartment plate and 2-17 lower layer crossbeam, the connection of 2-24 vibration damping Device, which plays, to be vertically connected with body and can move up and down and can not all around move, and the bottom 2-9 central floor panel and crosses sedan-chair 3-3 intermediate casing It is fixedly connected with differential mechanism 4-8 gear hub, rear portion lower layer the first compartment board of 2-1 tail portion is equipped with 2-26 first and assists dress of getting on or off the bus It sets, the second compartment board of 2-2 tail portion is equipped with the second apparatus for getting on/down of 2-26-1, and 2-27 towed vehicle dress is equipped among rear tail portion It sets, rear portion both sides are equipped with that the first hydraulic top of 2-28 stretches device and the second hydraulic top of 2-28-1 stretches device, and hydraulic top is stretched under device A pulley is installed in face, and pulley can longitudinally rotate, and the first lifting device a and first is lifted to stretch and be connected between device b by 2-29 first Bar connection, the second lifting device a and second are lifted to stretch and be connected between device b by the second connecting rod of 2-29-1, and rear portion tipping has control 2-30 master switch processed controls hydraulic top on body of suing and labouring and stretches device, hydraulically extensible stick, hydraulic telescopic device and electrical connection.

The carriage body wheelspan and compartment are widened or are narrowed and be implemented: unclamping both sides compartment board and crossbeam two sides Fixation device between stringer unclamps telescopic 2-23-1 the between the second lifting device a of the first lifting device of 2-19 a, 2-21 Sleeve, the fixation locking device between the second casing of 2-23-2 and 2-23-3 intermediate casing, release can relax or receive to both sides Narrow crosses sedan-chair bracket and differential mechanism bracket bottom plate telescopic 2-14 first sleeve, between the second casing of 2-15 and 2-16 intermediate casing Fixation device, can be widened to both sides on bracket bottom plate or be fixed on bracket 2- to the narrowed 2-25 hydraulically extensible stick one in centre On 10 first cant boards, one be fixed on the second cant board of 2-11, crossing sedan-chair 3-1 first sleeve, to be mounted on 2-10 first edge-on On board shaft hole, the first wheel hub of 3-4 is mounted on 3-1 first sleeve end by bearing and Luo Si and can be rotated, and crosses the second casing of sedan-chair 3-2 It is mounted on 2-11 second side vertical plate axis hole, the second wheel hub of 3-5, which is mounted on 3-2 the second casing end by bearing and Luo Si, to be turned Dynamic, differential mechanism 4-5 Quadruplet pipe a is mounted on 2-10 the first cant board axis hole, and 4-5-1 Quadruplet pipe b is mounted on 2-11 second On cant board axis hole, 4-7 the first wheel hub a is mounted on 4-5 Quadruplet pipe a end by bearing and Luo Si and can be rotated, 4-7-1 first Wheel hub b is mounted on 4-5-1 Quadruplet pipe b end by bearing and Luo Si and can be rotated, and 4-5 Quadruplet pipe a is covered in 4-4 third casing On a, 4-5 Quadruplet pipe a manages interior inner sleeve tooth and is mutually engaged with external tooth on 4-4 third casing a, 4-4 third casing a and 4-4-1 third Casing b and 4-8 gear hub can be entirety, and 4-8 gear hub both sides, the installation of the first wheel hub of 4-7 can also be fixed on by sieve silk In 4-5 Quadruplet pipe a end, the second wheel hub of 4-7-1 is mounted on 4-5-1 Quadruplet pipe b end, and the second casing of 4-3 a passes through bearing Be fixed in 4-4 third casing a and can be rotated, 4-3-1 the second casing b by bearing be mounted on 4-4-1 third casing b it is interior and It can be rotated, the first semiaxis of 4-6 is fixed on the first wheel hub of 4-7, and axis is put in the second casing of 4-3 a, outer on 4-6 the first semiaxis axis Tooth is mutually engaged with inner sleeve tooth in 4-3 the second casing pipe, and the second semiaxis of 4-6-1 is fixed on the second wheel hub of 4-7-1, and axis puts in 4- In the second casing of 3-1 a, external tooth is managed interior inner sleeve tooth with 4-3-1 the second casing b and is mutually engaged on 4-6-1 the second semiaxis axis, 4-2 first Casing a is connect with a side gear in 4-8 gear hub, there is inner sleeve tooth, 4-2-1 first sleeve b and 4-8 tooth in 4-2 first sleeve a A side gear connects in wheel shell, has inner sleeve tooth in 4-2-1 first sleeve b pipe, there is external tooth, 4-1 first axle a on 4-1 first axle a axis One, axis puts in 4-2 first sleeve a, and one puts in the second casing of 4-3 a, 4-1 first axle a external tooth and 4-2 first sleeve a, 4-3 the second casing a manages interior inner sleeve tooth and is mutually engaged, and has external tooth on 4-1-1 first axle b axis, 4-1-1 first axle b one, axis puts in 4- In 2-1 first sleeve b, one is put in the second casing of 4-3-1 b, 4-1-1 first axle b external tooth and 4-2-1 first sleeve b, 4- 3-1 the second casing b manages interior inner sleeve tooth and is mutually engaged, and the second casing a of 4-2 first sleeve a and 4-3 can be same root casing, 4-2-1 The second casing b of first sleeve b and 4-3-1 can be same root casing, drive in differential mechanism 4-8 gear hub when transmission shaft rotates Gear rotation, gear drive both sides 4-2 first set tooth pipe a and 4-2-1 first set tooth pipe b rotation, 4-2 first in 4-8 gear hub Covering tooth pipe a drives 4-1 first axle a, 4-2-1 first set tooth pipe b to drive 4-1-1 first axle ab rotation, and 4-1 first axle a drives 4-3 Second casing a rotation, 4-1-1 first axle b drive 4-3-1 the second casing b rotation, and first sleeve and the second casing can be together A piece casing, 4-3 the second casing a drive 4-6 the first semiaxis a rotation, and 4-3-1 the second casing b drives 4-6-1 the first semiaxis b to turn Dynamic, 4-6 the first semiaxis a drives 4-7 the first wheel hub a rotation, and 4-6-1 the first semiaxis b drives 4-7-1 the first wheel hub b rotation, wheel hub Tyre rotation is driven, when the first cant board of 2-10 is widened outward by 2-25 hydraulically extensible stick or is narrowed to centre, differential mechanism 4-5 Quadruplet pipe a4-7 the first semiaxis of the first wheel hub a and 4-6 a will be with intermediate 4-8 gear hub with the first cant board of 2-10 Center is widened outward or is narrowed to centre, and 4-5 Quadruplet pipe a is just extracted out or is pumped into from 4-4 third casing a, the first semiaxis of 4-6 A will be extracted out or be pumped into from the second casing of 4-3 a, widened outward by 2-25 hydraulically extensible stick when the second cant board of 2-11 or When to middle shrinkage, differential mechanism 4-5-1 Quadruplet pipe b4-7-1 the first semiaxis of the first wheel hub b and 4-6-1 b will be with 2-11-1 Two cant boards broadening or are narrowed centered on intermediate 4-8 gear hub to centre outward, and 4-5-1 Quadruplet pipe ab is just from 4-4-1 the It extracts out or is pumped on three casing b, the first semiaxis of 4-6-1 b will be extracted out or be pumped into from the second casing of 4-3-1 b, be pacified on wheel hub Equipped with 10 tires, crosses the first bottom plate of sedan-chair bracket 2-7 and be fixedly connected with the first cant board of 2-10, the second bottom plate of 2-8 and 2-11 second Cant board is fixedly connected, compartment 2-1 the first lower deck compartment board bottom portion be fixed on 2-17-1 stringer it is all right one way or the other to both sides relax formula receive Narrow pumping slot is put on, and the fixed 2-17-2 stringer in the second lower deck compartment of compartment 2-2 plate board bottom portion can relax or narrow to both sides Pumping slot is put on, and 2-24 vibration damping connection device is fixedly connected with 2-1 the first lower deck compartment board bottom face on the first bottom plate of bottom 2-7, 2-24 vibration damping connection device is fixedly connected with 2-2 the second lower deck compartment board bottom face on the second bottom plate of bottom 2-8, compartment 2-1 first It is fixedly installed with the act of 2-19 first on lower deck compartment plate and stretches device a, 2-20 first and lifts and stretches device b, the second lower layer of front compartment 2-2 vehicle It is fixedly installed with the act of 2-21 second in carriage and stretches device a, 2-22 second and lifts and stretches device b, 2-4 the first imperial board bottom face is fixed Hydraulic top is stretched at the top of device in 2-19 the first lifting device of the first lifting device a and 2-20 b, 2-5 the second imperial board bottom Face is fixed on hydraulic top in 2-21 the second lifting device the second lifting device of a2-22 b and stretches at the top of device, 2- in 2-9 central floor panel 24 vibration damping connection devices are connect with lower layer 2-3 middle compartment board bottom face, and lower layer 2-3 middle compartment bottom plate and lower layer 2-17 crossbeam are solid Fixed among fixed connection, bottom 2-9 central floor panel and 2-25 hydraulically extensible stick, 2-9 central floor panel and differential mechanism 4-8 gear hub are solid Fixed connection, 2-9 central floor panel are fixed with telescopic 2-16 jackshaft, telescopic 2-14 first sleeve and the first cant board of 2-10 and The first bottom plate of 2-7 is fixedly connected, and the second casing of telescopic 2-15 is fixedly connected with the second cant board of 2-11 and the second bottom plate of 2-8, When the first cant board of 2-10 is widened outward by hydraulic 2-25 extension stem or is narrowed, the first bottom plate of 2-7 crosses sedan-chair 3-1 first set Pipe, the first wheel hub of 3-4, the first wheel hub of differential mechanism 4-5 Quadruplet pipe a, 4-7,2-1 the first lower deck compartment plate, the first upper layer 2-4 Compartment board 2-19 the first lifting device a2-20 the first lifting device b, 2-14 first sleeve, the first telescopic of 2-23-1 will be with Broadening or to middle shrinkage outward centered on lower layer's 2-17 crossbeam, when the second cant board of 2-11 is outside by 2-25 hydraulically extensible stick When widening or is narrowed, the second bottom plate of 2-8 crosses the second casing of sedan-chair 3-2, the first wheel hub of 3-4, differential mechanism 4-5-1 Quadruplet pipe b, 4- The second wheel hub of 7-1,2-2 the second lower deck compartment plate, 2-5 the second upper deck carriage, the second lifting device of 2-21 a, 2-22 second are lifted Rise device b, 2-15 second covers the, and the second telescopic of 2-23-2 will be widened outward centered on lower layer's 2-17 crossbeam or to centre It narrows, starts hydraulic pump, rear the first hydraulic top of 2-28 is stretched into device, the second hydraulic top of 2-28-1 is stretched device and pushed up downwards and stretches, and top is stretched Device lower sheave lands, and 10 tire of car body that will sue and labour is raised liftoff；Bottom can be relaxed to both sides or narrowed on bracket bottom plate 2-25 hydraulically extensible stick is widened to both sides or is narrowed to centre, and the hydraulically extensible stick both ends 2-25 are edge-on by sedan-chair bracket 2-10 first Plate, the second cant board of 2-11 are widened to both sides or are narrowed to centre, and entire carriage body passes through the broadening of 2-25 hydraulically extensible stick Or narrow and stretch the rotation that device 2-28-1 hydraulic top stretches device lower sheave with 2-28 hydraulic top, both sides wheelspan and compartment will be following It widens or narrows to both sides equity centered on layer 2-17 crossbeam, when widening or being narrowed to required width, cross sedan-chair 3-1 first set Pipe, the limiting device between the second casing of 3-2 and 3-3 intermediate casing will play position-limiting action, differential mechanism 4-5 Quadruplet pipe a With 4-4 third casing a, the limiting device between differential mechanism 4-5-1 Quadruplet pipe b and 4-4-1 third casing b will play limit Position acts on, telescopic 2-23-1 first sleeve on lifting device, the limit dress of the second casing of 2-23-2 and 2-23-3 intermediate casing Set and play position-limiting action while fixed locking device, can on the bracket that both sides are relaxed or are narrowed 2-14 first sleeve, 2-15 the The limiting device of two casings and 2-16 intermediate casing plays position-limiting action while fixed locking device, wheel hub can relax to both sides or The limiting device of narrowed sedan-chair 3-1 first sleeve excessively, the second casing of 3-2 and 3-3 intermediate casing plays position-limiting action while passing through Locking device is fixed, the first compartment board of lower layer 2-1 and 2-17-1 stringer, the second compartment board of lower layer 2-2 and 2-17-2 stringer, on Layer the first compartment board of 2-4 and 2-18-1 stringer, the limiting device between the second compartment board of upper layer 2-5 and 2-18-2 stringer play limit Position effect is fixed by locking device simultaneously, and the first hydraulic top of 2-28 is stretched device and the second hydraulic top of 2-28-1 is stretched device and received It rises, tire lands, and transport vehicle entire so just completes that headstock is constant, and carriage body wheelspan and compartment can be widened, and narrows.

Engine is installed, gearbox, transmission shaft, transmission shaft connect with rear differential mechanism, headstock 1 and fortune in the headstock 1 Defeated car body is by 2-17 lower layer crossbeam and is driven axis connection, and crossbeam is same group of crossbeam, vapour in 2-17 lower layer crossbeam and headstock 1 Vehicle brake system, gas circuit, oil circuit, circuit are constant.

It is connected with after first lower plywood of compartment 2-1 and assists the first auxiliary apparatus for getting on/down of 2-26, under compartment 2-2 second The tail portion of laminate is connected with 2-26-1 second and assists down devices, and rear portion is equipped with rear 2-27 towed vehicle device, carriage body rear portion Both sides, which are equipped with the first hydraulic top of 2-28, stretches the second hydraulic top of device 2-28-1 and stretches device, lifting device 2-29 first connecting rod, 2- 29-1 second connecting rod, rear portion are equipped with 2-30 control switch, and control hydraulically extensible pump, hydraulic top stretch device, hydraulically extensible stick, liquid Pressure stretch compression apparatus and electrical connection.

The double-layer transport vehicle can as needed by lower deck compartment plate lifting device and upper deck carriage folding remove and become At single ply tyre away from the single layer transport vehicle that can be widened or narrow with compartment.

Structure of the invention is reasonable, the advanced science of method, and through the invention when in use, headstock remains unchanged, according to reality The adjusting of width need be carried out to car body of suing and labouring.

Claims

1. the double-layer transport vehicle that a kind of wheelspan and compartment can be widened, be narrowed, including headstock 1, carriage body, carriage body packet It includes: under lower layer's crossbeam (2-17), compartment the first lower deck compartment plate (2-1), compartment the second lower deck compartment plate (2-2), compartment centre Layer compartment board (2-3), compartment the first imperial bottom plate (2-4), compartment the second imperial bottom plate (2-5), in compartment upper layer Between platform floor (2-6), what can be relaxed or narrow to both sides crosses sedan-chair and differential mechanism bracket: the first bottom plate of bracket (2-7), bracket the Two bottom plates (2-8), bracket central floor panel (2-9), the first cant board of bracket (2-10), the second cant board of bracket (2-11) stretch It covers first axle (2-14), the second axis (2-15), intermediate casing (2-16).

The wheel hub can be widened to both sides or narrowed sedan-chair excessively, excessively sedan-chair feature 1:3-1 first sleeve, the second casing of 3-2, in 3-3 Between casing, the first wheel hub of 3-4, the second wheel hub of 3-5, cross sedan-chair feature 2:3-1 first sleeve, the second casing of 3-2,3-3 jackshaft, 3- 4 first wheel hubs, the second wheel hub of 3-5, lower layer's crossbeam (2-17), the first stringer of lower layer (2-17-1), lower layer the second stringer (2-17- 2), upper layer crossbeam (2-18), the first stringer of upper layer (2-18-1), the second stringer of upper layer (2-18-2), the first lifting device a (2- 19), the first lifting device b (2-20), the second lifting device a (2-21), the second lifting device b (2-22), vibration damping connection device (2-24), telescopic jackshaft (2-23-3) telescopic first set (2-23- between the first lifting device a and the second lifting device a 1), second set of telescopic (2-23-2), wheel hub can be widened to both sides or narrowed differential mechanism: first axle a (4-1), first axle b (4-1-1), first set tooth pipe a (4-2), first set tooth pipe b (4-2-1), second set of tooth pipe a (4-3), second set of tooth pipe b (4-3- 1), third set tooth pipe a (4-4), third cover tooth pipe b (4-4-1), the 4th set of tooth pipe a (4-5), the 4th set of tooth pipe b (4-5-1), the One semiaxis a (4-6), the first semiaxis b (4-6-1), the first wheel hub a4-7, the first wheel hub b (4-7-1), gear hub (4-8), tire (10)。

Crossbeam is with group crossbeam, lower layer's crossbeam (2-17) and upper layer crossbeam (2-18) two in lower layer's crossbeam (2-17) and headstock While being fixed with multiple groups stringer: the first stringer a (2-17-1), the first stringer b (2-17-2), the second stringer a (2-18-1), second is vertical Beam b (2-18-2) is equipped with the pumping slot or set that can relax or narrow to both sides on stringer, and ((2-17) is two big to lower layer's crossbeam Beam is fixedly connected between two crossbeams, and the first compartment board of compartment lower layer (2-1) bottom is fixed on the first stringer (2-17-1) Pumping slot is put on, and the bottom compartment lower layer the second compartment board (2-2) is fixed on pumping slot on the second stringer (2-17-2) or puts on, lower layer First compartment board (2-1), the second compartment board of lower layer (2-2) can be in lower layer's crossbeam (2-17) the first stringers of two sides (2-17-1) second Stringer (2-17-2) pumping slot puts on to both sides broadening or narrows to centre, lower layer's middle compartment plate (2-3) and lower layer's crossbeam (2-17) is fixedly connected, and the first compartment board of compartment upper layer (2-4) bottom, which is fixed on upper layer crossbeam stringer (2-18-1), takes out Slot is put on, and the bottom compartment upper layer the second compartment board (2-5) is fixed on pumping slot on upper layer stringer (2-18-2) or puts on, upper layer One compartment board (2-4), the second compartment board of upper layer (2-5) can in upper layer crossbeam (2-18) two sides the first stringer a (2-18-1), second Stringer b (2-18-2) pumping slot puts on to both sides broadening or narrows to centre.

The upper layer middle compartment plate (2-6) is fixedly connected with upper layer crossbeam (2-18), on the first compartment board of lower deck compartment (2-1) It is fixedly installed with the first lifting device a (2-19), the first lifting device b (2-20), is consolidated on the second compartment board of lower deck compartment (2-2) Dingan County is equipped with the second lifting device a (2-21), the second lifting device b (2-22), is fitted with hydraulic top in lifting device and stretches dress Set, be equipped between the first lifting device a (2-19), the second lifting device a (2-21) can relax or narrow to both sides it is flexible Set, telescopic first sleeve (2-23-1) are connect with the first lifting device a (2-19), the second casing (2-23-2) and the second lifting Device b (2-21) connection, first sleeve (2-23-1) and the second casing (2-23-2) are covered from both sides at intermediate casing (2-23-3) On, the bottom surface upper layer the first compartment board (2-4) is fixed on the first lifting device a (2-19) and first lifting device b (2-20) interior liquid Bear down on one and stretch at the top of device, the bottom surface upper layer the second compartment board (2-5) is fixed on the second lifting device a (2-21), the second lifting device b (2-22) interior hydraulic top is stretched at the top of device, and the first lifting device (2-19) a and the first lifting device (2-20) b pass through (2-29) the The connection of one connecting rod, (2-21) the second lifting device a are connected with (2-22) the second lifting device b by (2-29-1) second connecting rod, Upper deck carriage can be stretched device by hydraulic top in lifting device and increase reduction.

What the wheel hub can be widened or be narrowed to both sides crosses sedan-chair, and crossing sedan-chair has 2 two kinds of 1 feature of feature, and feature 1 has: first sleeve (3- 1), the second casing (3-2), intermediate casing (3-3), the first wheel hub (3-4), the second wheel hub (3-5), first sleeve (3-1), second Casing (3-2) covers in intermediate casing (3-3) from both sides, has housing tooth in first sleeve (3-1), has on the second casing (3-2) Housing tooth, intermediate casing (3-3) is interior inner sleeve tooth, first sleeve (3-1) housing tooth, the second casing (3-2) housing tooth and centre Inner sleeve tooth in casing (3-3) is mutually engaged, first sleeve (3-1), and the second casing (3-2) and intermediate casing (3-3) have broadening to receive Narrow required limiting device and fixed locking device, the first wheel hub (3-4) are mounted on first sleeve (3-1) by bearing and Luo Si Outer end can be rotated, and it is rotatable that the second wheel hub (3-5) by bearing and Luo Si is mounted on the outer end the second casing (3-2), pacify on wheel hub Equipped with 10 tires.

The sedan-chair feature 2 of crossing that the wheel hub can be widened or be narrowed to both sides has: first sleeve (3-1), the second casing (3-2) are intermediate Axis (3-3), the first wheel hub (3-4), the second wheel hub (3-5), first sleeve (3-1), the second casing (3-2) are covered from both sides in centre On axis (3-3), there is inner sleeve tooth in first sleeve (3-1), have inner sleeve tooth in the second casing (3-2), have housing on jackshaft (3-3) Tooth, first sleeve (3-1) inner sleeve tooth, the second casing (3-2) inner sleeve tooth are mutually engaged with the housing tooth on jackshaft (3-3), First sleeve (3-1), the second casing (3-2) and jackshaft (3-3) have broadening to narrow required limiting device and fixed locking dress It sets, the first wheel hub (3-4) is mounted on that the outer end first sleeve (3-1) is rotatable, and the second wheel hub (3-5) passes through by bearing and Luo Si It is rotatable that bearing and Luo Si are mounted on the outer end the second casing (3-2), and 10 tires are equipped on wheel hub.

Cross the sedan-chair bracket and differential mechanism bracket that can be widened or narrow to both sides has: the first bottom plate of bracket (2-7), bracket second Bottom plate (2-8), bracket central floor panel (2-9) are fixed with the first cant board (2-10), second on the first bottom plate of bracket (2-7) It is fixed on bottom plate (2-8) the second cant board (2-11), the first bottom plate of bracket (2-7) and the first cant board (2-10) and the second bottom Being equipped with several groups between plate (2-8) and the second cant board (2-11) can relax to both sides, narrowed hydraulically extensible stick (2-25), can be to The telescopic that both sides are relaxed or narrowed, flexible to be cased with first axle (2-14), the second axis (2-15) and intermediate casing (2-16) composition, Telescopic first axle (2-14), the second axis (2-15) cover in intermediate casing (2-16) from both sides, the hydraulically extensible stick (2- 25) one end is fixedly connected with the first cant board (2-10), and the other end is fixedly connected with the second cant board (2-11)；Hydraulically extensible stick Is fixedly connected with bracket central floor panel (2-9) among (2-25), the telescopic first axle (2-14) and the first bottom plate (2-1) and First cant board (2-10) is fixedly connected, and the second axis of telescopic (2-5) and the second bottom plate (2-2) and the second cant board (2-11) are admittedly Fixed connection, telescopic intermediate casing (2-16) are fixedly connected with bracket central floor panel (2-9), telescopic first axle (2-14), the There is broadening to narrow required limiting device and fixed locking device between two axis (2-15) and intermediate casing (2-16), first is edge-on Plate (2-10), respectively there is an axis hole on the second cant board (2-11), on the first cant board (2-10) and the second cant board (2-11) Axis hole can relax to both sides or narrow sedan-chair and differential mechanism for being fixedly mounted, and sedan-chair first axle (3-1) it is edge-on to be mounted on first excessively On plate (2-10) axis hole, the second axis (3-2) is mounted on the second cant board (2-11) axis hole, the Quadruplet pipe a (4-5) of differential mechanism It is mounted on the first cant board (2-10) axis hole, differential mechanism Quadruplet pipe b (4-5-1) is mounted on the second cant board (2-11) axis hole On.

First bottom plate of bracket (2-7), the second bottom plate (2-8) are fixedly installed with the connection of multiple groups vibration damping in central floor panel (2-9) The fixed company of vibration damping connection device (2-24) and the first platform floor of lower layer bottom surface (2-1) on the first bottom plate of device (2-24) (2-7) It connects, the vibration damping connection device on the second bottom plate (2-8) is fixedly connected with the bottom surface lower layer the second platform floor (2-2), central floor panel Vibration damping connection device (2-24) on (2-9) is fixedly connected with lower layer's middle compartment plate (2-3) and lower layer's crossbeam (2-17), vibration damping Attachment device (2-24), which plays, to be vertically connected with body and can move up and down and can not all around move, bottom central floor panel (2-9) and mistake Sedan-chair intermediate casing (3-3) is fixedly connected, and is fixedly connected among hydraulically extensible stick (2-25) with bracket central floor panel (2-9), and sedan-chair is crossed First sleeve (3-1), differential mechanism Quadruplet pipe (4-5) a, bracket telescopic first sleeve (2-14) and the first bottom plate (2-7) and First cant board (2-10) is fixedly connected, and crosses the second casing of sedan-chair (3-2) and differential mechanism Quadruplet pipe (4-5-1) b bracket telescopic Second casing (2-15) is fixedly connected with the second bottom plate (2-8) and the second cant board (2-11), telescopic intermediate casing (2-16) It is fixedly connected with bracket central floor panel (2-9), telescopic first sleeve (2-14), the second casing (2-15) and intermediate casing (2- 16) broadening narrows required limiting device and fixed locking device, bottom central floor panel (2-9) and differential gear shell (4- 8) it is fixedly connected.

The wheel hub can be widened to both sides or narrowed differential mechanism has: gear hub (4-8), have a full set of gear, gear in gear hub There are first set tooth pipe a (4-2), first set tooth pipe b (4-2-1), first axle a (4-1), first axle b (4-1- in the interior both sides shell (4-8) 1), the second casing a (4-3), the second casing b (4-3-1), third casing a (4-4), third casing b (4-4-1), Quadruplet pipe a (4-5), Quadruplet pipe b (4-5-1), the first wheel hub a (4-7), the first wheel hub b (4-7-1), the first semiaxis a (4-6), the first half Inner sleeve tooth and external tooth phase on first axle a (4-1) are equipped in axis b (4-6-1), first set tooth pipe a (4-2) and the second casing a (4-3) Inner sleeve tooth and external tooth phase on first axle b (4-1-1) are equipped in occlusion, first set tooth pipe b (4-2-1) and the second casing b (4-3-1) Occlusion, the second casing a (4-3) are fixed in Quadruplet pipe a (4-5) by bearing, and the second casing b (4-3-1) is solid by bearing It is scheduled in Quadruplet pipe b (4-5-1), third casing a (4-4) and third casing b (4-4-1) and differential mechanism center tooth wheel shell (4- 8) it can be entirety, the both sides gear hub (4-8) can also be fixedly mounted on by sieve silk, Quadruplet pipe a (4-5) is covered in third set In pipe a (4-4), there is inner sleeve tooth to be mutually engaged with Quadruplet pipe a (4-5) external tooth in third casing a (4-4), third casing a (4-4) There is broadening to narrow required limiting device between Quadruplet pipe a (4-5), Quadruplet pipe b (4-5-1) is covered in third casing b (4- In 4-1), there is inner sleeve tooth to be mutually engaged with Quadruplet pipe b (4-5-1) external tooth in third casing b (4-4-1), third casing b and the 4th There is broadening to narrow required limiting device between casing b, the first wheel hub a (4-7) is mounted on Quadruplet pipe a by bearing and Luo Si (4-5) end is rotatable, and the first wheel hub b (4-7-1), which is mounted on Quadruplet pipe b (4-5-1) end by bearing and Luo Si, to be turned Dynamic, the first semiaxis a (4-6) is mounted on the first wheel hub a (4-7) by sieve silk, and the first semiaxis b (4-6-1) is installed by sieve silk On the first wheel hub b (4-7-1), the first semiaxis a (4-6) one is put in the second casing a (4-3), before the first semiaxis a (4-6) External tooth is mutually engaged with the second casing a (4-3) inner sleeve tooth, and the first semiaxis b (4-6-1) one is put in the second casing b (4-3-1), External tooth is mutually engaged with the second casing b (4-3-1) inner sleeve tooth before first semiaxis b (4-6-1), the first wheel hub a (4-7) by bearing and Sieve silk is mounted on that Quadruplet pipe (4-5) end is rotatable, and the first wheel hub b (4-7-1) is mounted on the 4th set by bearing and Luo Si Pipe b (4-5-1) end is rotatable, and tire (10) are equipped on wheel hub.

The first compartment board of lower layer (2-1) tail portion is equipped with auxiliary apparatus for getting on/down (2-26), the tail portion the second compartment board (2-2) It is equipped with auxiliary apparatus for getting on/down (2-26-1), towed vehicle device (2-27) is installed among rear tail portion, the first hydraulic top stretches dress It sets (2-28), the second hydraulic top is stretched device (2-28-1), and rear dragging trailer arrangement (2-27), first hydraulic top stretches device (2- 28) it is stretched device (2-28-1) with the second hydraulic top, hydraulic top stretches device and is mounted below pulley, and pulley can longitudinally rotate, rear portion Tipping has control master switch (2-30), and control hydraulic top on body of suing and labouring stretches device, hydraulically extensible stick, hydraulic telescopic device and is electrically connected It connects.

The carriage body wheelspan and compartment are widened or are narrowed and be implemented: being unclamped the first compartment board of lower layer (2-1) and vertical Fixation device between beam (2-17-1) unclamps the fixation device between the second compartment board of lower layer (2-2) and stringer (2-17-2), Unclamp the fixation device between the first compartment board of upper layer (2-4) and stringer (2-18-1), unclamp the second compartment board of upper layer (2-5) and Fixation device between stringer (2-18-2) is unclamped and is stretched between first the second lifting device a of lifting device a (2-19) (2-21) The fixation device between first sleeve (2-23-1) the second casing (2-23-2) and jackshaft (2-23-3) is covered, release can be to both sides Relax or narrowed sedan-chair bracket and differential mechanism bracket bottom plate telescopic first sleeve (2-14), the second casing (2-15) and intermediate sleeve The fixation device between (2-16) is managed, the hydraulically extensible stick (2- that can be widened to both sides or narrow to centre on sedan-chair bracket bottom plate is crossed 25) one be fixed on the first cant board of bracket (2-10), one be fixed on the second cant board (2-11), cross the first wheel hub of sedan-chair It is rotatable that (3-4) is mounted on first sleeve (3-1) end, cross the second wheel hub of sedan-chair (3-5) be mounted on the second casing (3-2) end can It rotates, is equipped with tire (10) on wheel hub, cross sedan-chair first sleeve (3-1) and be mounted on the first cant board of bracket (2-10) axis hole, It crosses the second casing of sedan-chair (3-2) to be mounted on the second cant board of bracket (2-11) axis hole, differential mechanism Quadruplet pipe a (4-5) is mounted on On first cant board (2-10) axis hole, it is rotatable that the first wheel hub (4-7) is fixed on Quadruplet pipe a (4-5) end, the second wheel hub It is rotatable that (4-7-1) is fixed on Quadruplet pipe b (4-5-1) end, and tire, Quadruplet pipe b (4-5-1) installation are equipped on wheel hub On the second cant board (2-11) axis hole, Quadruplet pipe a (4-5) covers on third casing a4-4, interior in Quadruplet pipe a4-5 pipe Set tooth is mutually engaged with external tooth on third casing a4-4, third casing a (4-4) and third casing b (4-4-1) and gear hub (4-8) It can be entirety, the both sides gear hub (4-8) can also be fixed on by sieve silk, the second casing a (4-3) is fixed on by bearing It in Quadruplet pipe a (4-5) and can be rotated, the second casing b (4-3-1) is fixed in Quadruplet pipe b (4-5-1) and can be turned by bearing Dynamic, the first semiaxis (4-6) is fixed on the first wheel hub (4-7), and axis is put in the second casing a (4-3), first semiaxis a (4-6) axis Upper external tooth is managed interior inner sleeve tooth with the second casing a (4-3) and is mutually engaged, and the second semiaxis b (4-6-1) is fixed on the second wheel hub b (4-7-1) On, axis is put in the second casing b (4-3-1), and external tooth and the second casing b (4-3-1) pipe are interior on second semiaxis b (4-6-1) axis Set tooth is mutually engaged, and first sleeve a (4-2) is connect with a side gear in gear hub (4-8), has inner sleeve in first sleeve a (4-2) Tooth, first sleeve b (4-2-1) are connect with a side gear in gear hub (4-8), have inner sleeve tooth in second casing b (4-3-1) pipe, There is external tooth on first axle a (4-1) axis, first axle a (4-1) one, axis is put in first sleeve a (4-2), and one puts in second set It is just connected in pipe a (4-3), first axle a (4-1) external tooth is managed interior inner sleeve tooth with the second casing a of first sleeve a (4-2) (4-3) and mutually stung It closes, there is external tooth on first axle b (4-1-1) axis, first axle b (4-1-1) one, axis is put in first sleeve b (4-2-1), and one is stretched It is just connected in into the second casing b (4-3-1), first axle b (4-1-1) external tooth and first sleeve b (4-2-1) second casing b (4-3- 1) inner sleeve tooth is mutually engaged in managing, and drives the rotation of differential gear shell (4-8) internal gear, gear band movable tooth wheel shell when transmission shaft rotates (4-8) interior both sides first set tooth pipe a (4-2) and first set tooth pipe b (4-2-1) rotation, first set tooth pipe a (4-2) drive first Axis a (4-1), first set tooth pipe b (4-2-1) drive first axle ab (4-1-1) rotation, and first axle a (4-1) drives the second casing a ((4-3) rotation, first axle b (4-1-1) drive the second casing b (4-3-1) rotation, and the second casing a (4-3) drives the first semiaxis a (4-6) rotation, the second casing b (4-3-1) drive the first semiaxis b (4-6-1) rotation, and the first semiaxis a (4-6) drives the first wheel hub A (4-7) rotation, the first semiaxis b (4-6-1) drive the first wheel hub b (4-7-1) rotation, and wheel hub drives tyre rotation, when the first side When vertical plate (2-10) is widened outward by hydraulically extensible stick (2-25) or is narrowed to centre, differential mechanism Quadruplet pipe a (4-5) first Wheel hub a (4-7) and the first semiaxis a (4-6) will with the first cant board (2-10) centered on center tooth wheel shell (4-8) to extending out It stretches or is narrowed to centre, Quadruplet pipe a (4-5) is just extracted out or is pumped into from third casing a (4-4), and the first semiaxis a (4-6) is just Extraction or can be pumped into from the second casing a (4-3-1), when the second cant board (2-11) by hydraulically extensible stick (2-26) to extending out Wide or when to middle shrinkage, the first wheel hub b of differential mechanism Quadruplet pipe b (4-5-1) (4-7-1) and the first semiaxis b (4-6-1) will It widens or is narrowed to centre, Quadruplet pipe ab (4-5- outward centered on center tooth wheel shell (4-8) with the second cant board (2-11) 1) it just extracts out or is pumped into out of third casing b (4-4-1), the first semiaxis b (4-6-1) will take out from the second casing b (4-3-1) It out or is pumped into, is equipped on wheel hub tire (10), the first bottom plate of bottom (2-7) is fixedly connected with the first cant board (2-10), bottom The second bottom plate of portion (2-8) is fixedly connected with the second cant board (2-11), and the bottom compartment the first lower deck compartment plate (2-1) is fixed on vertical All right one way or the other on beam (2-17-1) to relax the narrowed pumping slot of formula to both sides or put on, compartment the second lower deck compartment plate (2-2) board bottom portion is solid Determine the pumping slot or put on that stringer (2-17-2) can relax or narrow to both sides, vibration damping connection device on the first bottom plate of bottom (2-7) (2-24) is fixedly connected with first bottom surface lower deck compartment plate (2-1), vibration damping connection device (2-24) on the second bottom plate of bottom (2-8) It is fixedly connected with second bottom surface lower deck compartment plate (2-2), is fixedly installed with the first act on compartment the first lower deck compartment plate (2-1) and stretches Device a (2-19), first, which are lifted, to be stretched device b (2-20), is fixedly installed with the second act on compartment the second lower deck compartment plate (2-2) and is stretched dress Set a (2-21), second lift stretch device b (2-22), the bottom surface carriage (2-4) is fixed on the first lifting device a (2- in the first upper layer 19) it is stretched at the top of device with first lifting device b (2-20) interior hydraulic top, second bottom surface upper deck carriage (2-5) is fixed on second Lifting device a (2-21) the second lifting device b (2-22) interior hydraulic top is stretched at the top of device, vibration damping connection in central floor panel (2-9) Device (2-24) is connect with the bottom surface lower layer middle compartment plate (2-3), lower layer's middle compartment (2-3) bottom plate and lower layer's crossbeam (2-17) It is fixedly connected, is fixed among bottom central floor panel (2-9) and hydraulically extensible stick (2-25), central floor panel (2-9) and differential mechanism tooth Wheel shell (4-8) is fixed, and central floor panel (2-9) and telescopic jackshaft (2-16) are fixed, telescopic first sleeve (2-14) and the One cant board (2-10) is fixedly connected with the first bottom plate (2-7), the second casing of telescopic (2-15) and the second cant board (2-11) It is fixedly connected with the second bottom plate (2-8), when the first cant board (2-10) is widened or narrowed outward by hydraulically extensible stick (2-25) When, the first bottom plate (2-7) is crossed sedan-chair first axle (3-1), is crossed the first wheel hub of sedan-chair (3-4), differential mechanism Quadruplet pipe (4-5) a, differential The first wheel hub of device (4-7), the first lower deck compartment plate (2-1), the first upper deck carriage (2-4), the first lifting device a (2-19), During first the first telescopic of the first telescopic of lifting device b (2-20) (2-14) (2-23-1) will be with lower layer's crossbeam (2-17) The heart is widened outward or to middle shrinkage, when the second cant board (2-11) is widened or narrowed outward by hydraulically extensible stick (2-25) When, it crosses the second casing of sedan-chair (3-2), the second wheel hub (3-5), differential mechanism Quadruplet pipe (4-5-1) b, the second wheel hub of differential mechanism (4-7- 1), the second bottom plate (2-8), the second lower deck compartment plate (2-2), the second upper deck carriage (2-5), the second lifting device a (2-21), Second lifting device b (2-22), the second telescopic (2-15), the second telescopic (2-25-2) will be with lower layer's crossbeam (2-17) Center is widened outward or is narrowed to centre, and broadening first starts hydraulic pump before narrowing, rear first hydraulic top is stretched device a (2- 28), the second hydraulic top is stretched device b (2-28-1) and is pushed up downwards and stretches, and top stretches device lower sheave and lands, and carriage body tire (10) are lifted It is high liftoff.

The hydraulically extensible stick both ends (2-25) widen the first cant board of sedan-chair (2-10), the second cant board (2-11) to both sides Or narrowed to centre, entire carriage body stretches device by the broadening or narrowed and rear both sides hydraulic top of hydraulically extensible stick (2-25) The rotation of lower sheave, both sides wheelspan and compartment will be widened or be narrowed to both sides equity centered on lower layer's crossbeam (2-17), when When widening or being narrowed to required width, differential mechanism Quadruplet pipe a (4-5) and third casing a (4-4), the 4th set of differential mechanism both sides Position-limiting action will be played the limiting device between third casing by managing, telescopic first sleeve (2-23-1) the on lifting device The limiting device of two casings (2-23-2) and jackshaft (2-23-3) plays position-limiting action while fixed locking device, can be to both sides Relax or that narrows crosses the second casing of telescopic first sleeve (2-14) (2-15) and jackshaft on sedan-chair bracket and differential mechanism bracket The limiting device of (2-16) plays position-limiting action while fixed locking device, crosses sedan-chair first sleeve, the second casing and intermediate casing Limiting device just play restriction effect while fixed locking device is fixed, the first hydraulic top is stretched into device (2-28) and the second liquid Bear down on one and stretch device (2-28-1) and pack up, tire lands, and headstock is constant in summary, and rear carriage body wheelspan and compartment complete expansion It is wide or narrowed.

Engine is installed, steering system, gearbox, gearbox connection transmission shaft, transmission shaft and differential mechanism connect in the headstock 1 It connects, transport vehicle steering system, brake system, oil circuit, gas circuit, circuit system is constant.

The headstock 1 and rear carriage body by lower layer's crossbeam (2-17) and are driven axis connection, lower layer's crossbeam (2-17) and headstock 1 Interior crossbeam is same group of crossbeam.

The lifting device can simultaneously upper deck carriage be lifted or be declined, independent one group of lifting or decline can also be controlled, will under Lifting device and the dismounting of upper deck carriage reform into the single layer transport vehicle that wheelspan and compartment can be widened or be narrowed on layer compartment board.

It is connected with auxiliary apparatus for getting on/down (2-26) after first lower plywood of trunk (2-1), the second lower plywood of compartment (2-2) Tail portion be respectively connected with auxiliary down devices (2-26-1), be equipped with rear tow-bar (2-27) among rear portion, both sides are equipped with first Hydraulic top is stretched device (2-28), and the second hydraulic top is stretched device (2-28-1), first connecting rod (2-29) between lifting device, after set Have control switch (2-30), control hydraulically extensible pump, hydraulic top stretch device, hydraulically extensible stick, hydraulic telescopic device and electrical connection.

Structure of the invention is reasonable, the advanced science of method, and through the invention when in use, headstock remains unchanged, according to actually need The adjusting of width is carried out to carriage body.

2. the double-layer transport vehicle that a kind of wheelspan according to claim 1 and compartment can be widened, be narrowed, it is characterized in that: wheelspan It can widen or narrow with compartment.

3. the double-layer transport vehicle that a kind of wheelspan according to claim 1 and compartment can be widened, be narrowed, it is characterized in that: wheel hub The differential mechanism that can be widened to both sides or be narrowed to centre.

4. the double-layer transport vehicle vehicle that a kind of wheelspan according to claim 1 and compartment can be widened, be narrowed, it is characterized in that: wheel Drum can be widened to both sides or that narrows to centre crosses sedan-chair.

5. the double-layer transport vehicle that an a kind of wheelspan and compartment according to claim 1 can widen, narrow is it is characterized in that: can be to Both sides are widened or that narrows to centre crosses sedan-chair bracket.