CN205634772U

CN205634772U - Portable loading and unloading car

Info

Publication number: CN205634772U
Application number: CN201620403455.2U
Authority: CN
Inventors: 项晓华
Original assignee: Jiangsu Tianze Precision Machinery Co Ltd
Current assignee: Jiangsu Tianze Precision Machinery Co Ltd
Priority date: 2016-05-06
Filing date: 2016-05-06
Publication date: 2016-10-12
Anticipated expiration: 2026-05-06

Abstract

The utility model discloses a portable loading and unloading car, including frame (1), main wheel (11) and handle (12), frame (1) anterior power cross axle (13) adopt sleeve mode cover to put dynamic case (2), and fulcrum (41) that set up in the other end through the actuating mechanism driven lift lead screw (3) in the headstock (2) and the main davit (4) are connected, and support cross axle (14) at frame (1) rear portion are put to the rear end adoption sleeve mode cover that the front end of main davit (4) is used for installing handling instrument and main davit (4), during one -man operation, lead screw (3) the extension of going up and down under actuating mechanism's drive is risen and to be made headstock (2) rotate and main davit (4) tail end rotates around supporting cross axle (14) around power cross axle (13), and then the front end that makes winner davit (4) risees and hang article the height or raise, otherwise then puts down article. The utility model discloses a car is single can operate low in labor strength and safety in loading and unloading.

Description

A kind of portable loading-unloading vehicle

Technical field

This utility model relates to lever mechanics, the bearing equipment of geometric mechanics principle, the portable loading-unloading vehicle that a kind of individual's handling efficiency highlights, is easy to carry about with one, labor intensity is low and safety coefficient is high.

Background technology

At present, what the haulage equipment on market was relatively common has the equipment such as fork truck, driving, electric block, bottle gouard moved by hands.These equipment have respective limitation, although as driving, electric block can carry the biggest weight and be limited by place to use, it is not possible to arbitrarily move；Fork truck arbitrarily movement can also carry the biggest weight, but because of volume, weight is excessive is difficult to onboard.And operate with fork truck and belong to special trade, operator need training, collect evidence on duty；Although the bottle gouard moved by hands of simple type is convenient for carrying, but each use is installed pretty troublesome and cannot arbitrarily move after installing.These bring many troubles to the most single or two people carrying, also bring the waste on resource, manpower to individual or company.

Summary of the invention

The purpose of this utility model is the problem existed for prior art, in order to reduce manpower and resource and convenient, easy-operating principle, the carrying overcoming single transport reduces unnecessary damage with labor intensity, it is provided that the portable loading-unloading vehicle that a kind of individual's handling efficiency highlights and is easy to carry about with one；This portable loading-unloading vehicle is simple to operate portable, not only brings to the carrying of factory and family convenient, and greatly reduces labor intensity and improve safety coefficient.

The purpose of this utility model solves by the following technical programs:

A kind of portable loading-unloading vehicle, including vehicle frame, the main wheel of vehicle frame front end and the handle of rear end, it is characterized in that: the power transverse axis of described vehicle frame front portion uses sleeve fashion to be equipped with headstock, being connected with the fulcrum arranged in main arm by the other end of the elevating screw of the drive mechanism driving in headstock, the front end of main arm uses sleeve fashion to be nested with the support transverse axis at vehicle frame rear portion for the rear end installing handling instrument and main arm；During one man operation, under the driving of drive mechanism, elevating screw elongation rising makes headstock rotate around power transverse axis and main arm tail end rotates around supporting transverse axis, and then makes the front end rising of winner's arm article hang height or raise, otherwise is then put down by article.

Described fulcrum position fulcrum on main length of boom direction adjacent to the rear end of main arm and main arm is divided into 0.8～1.3:2 two parts；Fulcrum is positioned at the widthwise central of main arm；In the short transverse of main arm, main arm adjacent to the roof of main arm and is divided into two parts of 6～7:8～9 by fulcrum.

When described handling instrument is fork truck, fork truck includes jaw, the afterbody of jaw is fixed on the lower end of the arc-shaped guide rail being arranged in pairs by jaw connector, arc-shaped guide rail can be arranged on main arm front end, arc guide groove built-in on arc-shaped guide rail is fixed on main arm front end the guideway at bearing two ends of welding for setting, and the external gear of the arc-shaped rack that arranges of the arc-shaped guide rail back stand-by motor driving built-in with main arm front end engages each other to adjust fork head angle.

Also being provided with arc inner tooth bar on described arc guide groove, the internal gear that this arc inner tooth bar and stand-by motor drive engages each other to improve the stability that this fork truck rotates；Described jaw connector is provided with opening so that the installation of this fork truck unloads.

When described handling instrument is suspension hook, suspension hook includes gib head, gib head is movably connected in the front end of hook arm by suspension hook bearing pin, Magnet it is inlaid with below the front end of hook arm, gib head and hook arm all use the metal material of parent's magnetic to make and in the lower section of hook arm, gib head will not be rocked so that gib head can adsorb because of the magnetic of Magnet, and gib head absorption when the lower section of hook arm the opening of gib head towards level.

The tail end upper wall opening part of described hook arm is provided with transverse axis, and transverse axis can buckle on the hook arranged in main arm front end；Tail end lower wall in hook arm is provided with hole, location simultaneously, and the suspender spring catch that main arm front end corresponding at hole, location is arranged can be passed down through on the front end that hole, location makes this suspension hook can be stably fixed at main arm.

When described handling instrument is for hanging pawl, hang pawl and include three claws being circumferentially distributed, the positioning end of claw is arranged on position-arresting disk by alignment pin and makes the claw can be freely rotatable around alignment pin, position-arresting disk is connected with master arm by telescopic arm, and the two ends of position limit arm are connected with claw and master arm with articulating pin respectively by spacing bearing pin, joint i.e. between claw and master arm, is used to connect the range of movement retraining claw；Lower end is snapped in the draw-in groove that telescopic arm top is arranged by telescopic arm with the brake line of salient point, and the drive end of the other end and stand-by motor that brake line stretches out master arm and brake line is connected；The bending place of described claw is connected with master arm by position limit arm and the two ends of position limit arm are flexibly connected with claw and master arm respectively；Described brake line pulls up telescopic arm under the driving of stand-by motor, telescopic arm drives position-arresting disk to move upward, clamping the object unloaded to be installed owing to the constraint of position limit arm makes claw can only shrink when position-arresting disk moves upward, brake line unclamps, and claw resets and opens.

Being equipped with back-moving spring on telescopic arm between described position-arresting disk and master arm, back-moving spring is decontroled in the adverse movement of motor and claw can be made to automatically reset after brake line to open；Simultaneously being provided with bolt on the top of master arm, the upper end of bolt is by being threaded into the front end of the hook arm after extracing gib head and using nut to fix to be fixed on the front end of hook arm so that this hangs pawl.

The auxiliary wheel mechanism matched with main wheel it is additionally provided with on described vehicle frame, auxiliary wheel mechanism includes the auxiliary wheel being arranged on auxiliary wheel carrier, the top of two longitudinal sections of the auxiliary wheel carrier of Qian shape is arranged on two frame inwalls of vehicle frame by anchor point respectively, and auxiliary wheel carrier makes auxiliary wheel can match with main wheel or rotate around two anchor point rotary expansions to draw in the region between vehicle frame；Wherein the top of a longitudinal section be provided with positioning spring pin match with the pin-and-hole on corresponding vehicle frame frame inwall so that when this auxiliary wheel carrier is opened can fixed position, the limited post being provided with on the vehicle frame frame inwall that arc-shaped limit groove is corresponding with another on the top of another longitudinal direction section matches to limit the rotation radian of this auxiliary wheel carrier.

When drive mechanism in described headstock is reducing motor, reducing motor is connected with power supply by relay, and on the outer wall of headstock, it is provided with the on and off switch being connected with power supply and voltage indicator, this power supply is the stand-by motor supply electric energy that the front end of main arm is embedded simultaneously, and is respectively equipped with lifting button on hand in order to control reducing motor and stand-by motor button for controlling stand-by motor two one or two；Described elevating screw also can use hydraulic control.

It is additionally provided with brake system on described vehicle frame, the brake hands of brake system is the inner side being arranged on handle, and brake hands by be positioned at vehicle frame brake connecting line be connected with the brake rubber block being positioned at main wheel side, brake hands handle control under brake rubber block be adjacent at main wheel to carry out brake operation.

This utility model has the following advantages compared to existing technology:

Portable loading-unloading vehicle of the present utility model uses the critical piece of the car bodies such as aluminium profile vehicle frame, main arm, reasonably uses lever principle to combine with engineering mechanics perfection, then is equipped with reasonably electrical circuit；Lever principle is utilized to find the rational fulcrum can bearing article easily；The cooperation of engineering mechanics make carrying after instrument can light movement；The most multiple suspender combines, and allows the object volume size of carrying, shape etc. not restricted, easily can improve the object of the various big small size of below 250Kg to 1.5m, and entity can make scaling up and reduce production and processing.

Portable loading-unloading vehicle of the present utility model changes the limitation that traditional means of transportation is brought, the efficiency that improve single carrying, decreases blue-collar output simultaneously, reduces the injury caused because of overexertion；Make tradition manpower transport move towards mechanization, decrease output and the waste of human resources；Also make traditional mechanization transportation become more mobility simultaneously, improve conevying efficiency.

Fork truck of the present utility model coordinates transmission by the rack and pinion with radian, drives the stand-by motor 42 of gear to use turbine retarding power system to make the transmission speed of rack-and-pinion more steady；Use guideway motion in arc guide groove to retrain gear, tooth bar simultaneously, gear, tooth bar and guideway, the motion of arc guide groove use open, can conveniently fast disassembling with reach use motility, make the delivery more diversification of portable loading-unloading vehicle, and the anglec of rotation can be provided to tackle diverse location object.

Fork truck of the present utility model can in order to carry cannot handling case dress article, match from the external gear that stand-by motor drives equipped with arc-shaped rack on fork truck to facilitate and succinct rotate different angles and take the article of diverse location with shovel, gear, the coordinating to rotate and also greatly facilitate cargo compartment taking-up from shelf and lay of tooth bar；The interposition of jaw connector installs opening in order to facilitate the peace loading, unloading of this fork truck.

Suspension hook of the present utility model is by using the gib head made of metal material and the hook arm of parent's magnetic, and below the front end of hook arm, it is inlaid with Magnet, gib head can be adsorbed because of the magnetic of Magnet makes gib head to rock in the lower section of hook arm, magnetic because of Magnet is more than the gravity of gib head, gib head is attracted to so that gib head is constantly in level below hook arm, and object just can be sling by such one man operation by gib head simply and easily through suspension ring；When object is transported to destination, only a dolly gib head pushed away at this moment the most gently can need to be separated with hung object such that it is able to draw off gib head to withhold very easily by the lower section of the magnetic-adsorption of Magnet to hook arm；Setting additionally by transverse axis and hole, location makes the front end being fixed on main arm that this suspension hook can be highly stable.

Of the present utility model hang pawl by three claws are fixed on position-arresting disk and its junction point use alignment pin connect enable claw freely rotatable, joint is used to be connected the range of movement retraining claw between claw with master arm, open equipped with claw being made to automatically reset equipped with back-moving spring between position-arresting disk and the master arm of claw, the position-arresting disk of stationary jaw is connected with using telescopic arm in the middle of master arm, telescopic arm is provided with draw-in groove and is snapped in by the brake line with salient point such that it is able to pull brake line to make claw carry out contractile motion；This hang pawl effectively solve run in handling process carrying without through hole and the object of suspension ring screw thread so that handling becomes more convenient, decreases a dead lift cost and the unexpected injury brought.

Auxiliary wheel mechanism of the present utility model is matched by two main wheels with portable loading-unloading vehicle, the rotary expansion of auxiliary wheel mechanism and rotating draw in make auxiliary wheel and main wheel with the use of and being used alone of main wheel between conversion the most convenient effectively, laborsaving steadily and when carrying i.e. having accomplished to stop in transport with storage, and deposit and be not take up exceptional space；Slip car phenomenon under additionally brake system can solve portable loading-unloading vehicle halted state the most easily, be also convenient for stopping in transit.

Accompanying drawing explanation

Accompanying drawing 1 is one of portable loading-unloading vehicle structural representation of the present utility model；

Accompanying drawing 2 is the two of portable loading-unloading vehicle structural representation of the present utility model；

Accompanying drawing 3 is the fork truck of the present utility model view when being arranged on main arm front end；

Accompanying drawing 4 is the suspension hook of the present utility model view when being arranged on main arm front end；

Accompanying drawing 5 hangs pawl structural representation for of the present utility model；

Accompanying drawing 6 is the view that auxiliary wheel mechanism of the present utility model is arranged on vehicle frame；

Accompanying drawing 7 is the view that the auxiliary wheel carrier of positioning spring pin part of the present utility model is arranged on vehicle frame；

Accompanying drawing 8 is the view that the auxiliary wheel carrier of arc-shaped limit slot part of the present utility model is arranged on vehicle frame；

Lifting driving principle figure when accompanying drawing 9 is to arrange power supply in headstock of the present utility model；

Accompanying drawing 10 is the view that brake system of the present utility model is arranged on vehicle frame.

Wherein: 1 vehicle frame；11 main wheels；12 handles；13 power transverse axis；14 support transverse axis；15 pin-and-holes；16 limited posts；17 lifting buttons；18 stand-by motor buttons；2 headstocks；21 reducing motors；22 relays；23 power supplys；24 on and off switch；25 voltage indicators；3 elevating screws；4 main arms；41 fulcrums；42 stand-by motors；43 external gears；44 bearings；45 guideways；46 hooks；47 suspender spring catch；5 fork trucks；51 jaws；52 jaw connectors；53 arc-shaped guide rails；54 arc guide grooves；55 arc-shaped racks；6 suspension hooks；61 gib heads；62 suspension hook bearing pins；63 hook arm；64 Magnet；65 transverse axis；66 hole, location；7 hang pawl；71 claws；72 alignment pin；73 position-arresting disks；74 telescopic arms；75 master arms；76 brake lines；77 draw-in grooves；78 position limit arms；79 spacing bearing pins；710 articulating pins；711 back-moving springs；712 bolts；8 auxiliary wheel mechanisms；81 auxiliary wheels；82 auxiliary wheel carriers；83 anchor points；84 positioning spring pins；85 arc-shaped limit grooves；9 brake system；91 brake hands handles；92 brake connecting lines；93 brake rubber blocks.

Detailed description of the invention

With embodiment, this utility model is further described below in conjunction with the accompanying drawings.

As Figure 1-10 shows: a kind of portable loading-unloading vehicle, including vehicle frame 1, the main wheel 11 of vehicle frame 1 front end and the handle 12 of rear end, the power transverse axis 13 of this vehicle frame 1 front portion uses sleeve fashion to be equipped with headstock 2, the other end of the elevating screw 3 driven by drive mechanism in headstock 2 is connected with the fulcrum 41 of setting in main arm 4, the above-mentioned fulcrum 41 position fulcrum 41 on main arm 4 length direction adjacent to the rear end of main arm 4 and main arm 4 is divided into 0.8～1.3:2 two parts；Fulcrum 41 is positioned at the widthwise central of main arm 4；In the short transverse of main arm 4, main arm 4 adjacent to the roof of main arm 4 and is divided into two parts of 6～7:8～9 by fulcrum 41；The front end of main arm 4 uses sleeve fashion to be nested with the support transverse axis 14 at vehicle frame 1 rear portion for the rear end installing handling instrument and main arm 4；During one man operation, under the driving of drive mechanism elevating screw 3 extend rising headstock 2 is rotated around power transverse axis 13 and main arm 4 tail end around support transverse axis 14 rotate, and then make the front end rising of winner's arm 4 article hang height or raise, otherwise then article are put down.

As shown in Figure 3, when handling instrument is fork truck 5, fork truck 5 includes jaw 51, the afterbody of jaw 51 is fixed on the lower end of the arc-shaped guide rail 53 being arranged in pairs by jaw connector 52, arc-shaped guide rail 53 can be arranged on main arm 4 front end, arc guide groove built-in on arc-shaped guide rail 53 54 is for setting the guideway 45 at bearing 44 two ends being fixed on main arm 4 front end welding, and the external gear 43 of the arc-shaped rack 55 that arranges of arc-shaped guide rail 53 back stand-by motor 42 driving built-in with main arm 4 front end engages each other to adjust jaw 51 angle；Additionally also being provided with arc inner tooth bar on arc guide groove 54, the internal gear that this arc inner tooth bar and stand-by motor 42 drive engages each other to improve the stability that this fork truck 5 rotates；And jaw connector 52 is provided with opening so that the installation of this fork truck 5 unloads.Fork truck 5 is before use, it is initially grasped by opening upwards fork truck 5 is directed at the guideway 45 of this main arm 4 front end and is directed to axle sleeve 45 and embeds in arc guide groove 54, then continue to upwards make arc-shaped rack 55 can contact with external gear 43, finally pin stand-by motor button 18 start stand-by motor 42 make arc-shaped rack 55 and external gear 43 complete engagement.Adjust the anglec of rotation of jaw 51 during use as required to carry out the taking-up of article and lay.

As shown in Figure 4, when handling instrument is suspension hook 6, suspension hook 6 includes gib head 61, gib head 61 is movably connected in the front end of hook arm 63 by suspension hook bearing pin 62, Magnet 64 it is inlaid with below the front end of hook arm 63, gib head 61 and hook arm 63 all use the metal material of parent's magnetic to make so that gib head 61 can adsorb and make gib head 61 to rock because of the magnetic of Magnet 64 in the lower section of hook arm 63, and gib head 61 adsorbs when the lower section of hook arm 63 opening of gib head 61 towards level.Additionally the tail end upper wall opening part in hook arm 63 is provided with transverse axis 65, and transverse axis 65 can buckle on the hook 46 arranged in main arm 4 front end；Tail end lower wall in hook arm 63 is provided with hole 66, location simultaneously, and the suspender spring catch 47 that main arm 4 front end corresponding at hole 66, location is arranged can be passed down through on the front end that hole 66, location makes this suspension hook 6 can be stably fixed at main arm 4.Suspension hook 6 is in use, it is arranged on the front end of main arm 4 of portable loading-unloading vehicle firstly the need of by suspension hook 6, during installation, transverse axis 65 buckled on the hook 46 arranged in main arm 4 front end and suspender spring catch 47 be passed down through on the front end that hole 66, location can make this suspension hook 6 be fixed on main arm 4 simultaneously.During use, object can be sling after suspension ring by the portable loading-unloading vehicle of single promotion by gib head 61；When object is transported to destination, only a dolly gib head 61 pushed away at this moment the most gently can need to be separated with hung object by the magnetic-adsorption of Magnet 64 to the lower section of hook arm 63 such that it is able to draw off to withhold by gib head 61 very easily.

As shown in Figure 5, when handling instrument is for hanging pawl 7, hang pawl 7 and include three claws being circumferentially distributed 71, the positioning end of claw 71 is arranged on position-arresting disk 73 by alignment pin 72 and makes the claw 71 can be freely rotatable around alignment pin 72, position-arresting disk 73 is connected with master arm 75 by telescopic arm 74, and the two ends of position limit arm 78 are connected with claw 71 and master arm 75 with articulating pin 710 respectively by spacing bearing pin 79, joint i.e. between claw 71 and master arm 75, is used to connect the range of movement retraining claw 71；Lower end is snapped in the draw-in groove 77 that telescopic arm 74 top is arranged by telescopic arm 74 with the brake line 76 of salient point, and the drive end of the other end and stand-by motor 42 that brake line 76 stretches out master arm 75 and brake line 76 is connected；The bending place of described claw 71 is connected with master arm 75 by position limit arm 78 and the two ends of position limit arm 78 are flexibly connected with claw 71 and master arm 75 respectively；Brake line 76 pulls up telescopic arm 74 under the driving of stand-by motor 42, telescopic arm 74 drives position-arresting disk 73 to move upward, clamping the object unloaded to be installed owing to the constraint of position limit arm 78 makes claw 71 can only shrink when position-arresting disk 73 moves upward, brake line 76 unclamps, and claw 71 resets and opens.Being equipped with back-moving spring 711 on telescopic arm 74 between the most above-mentioned position-arresting disk 73 and master arm 75, back-moving spring 711 is decontroled in the adverse movement of motor and claw 71 can be made to automatically reset after brake line 76 to open；Be provided with bolt 712 on the top of master arm 75, the upper end of bolt 712 is by being threaded into the front end of the hook arm 63 after extracing gib head 61 and using nut to fix to be fixed on the front end of hook arm 63 so that this hangs pawl 7 simultaneously.Hang pawl 7 in use, it is arranged on main arm 4 front end of portable loading-unloading vehicle firstly the need of by hanging pawl 7, during installation, the upper end of bolt 712 is by being threaded into the front end extracing the hook arm 63 after gib head 61 and using nut to fix to be fixed on the front end of hook arm 63 so that this hangs pawl 7.During use, brake line 76 pulls up telescopic arm 74 under the driving of stand-by motor 42, telescopic arm 74 drives position-arresting disk 73 to move upward, the object unloaded to be installed is clamped owing to the constraint of position limit arm 78 makes claw 71 can only shrink when position-arresting disk 73 moves upward, claw 71 is clamped after the object loaded and unloaded, and main arm 4 lifts this object；After completing lifting, back-moving spring 711 can make claw 71 automatically reset after decontroling brake line 76 when the adverse movement of stand-by motor 42 to open, complete one action process.

As shown in figs 6-8, vehicle frame 1 is additionally provided with the auxiliary wheel mechanism 8 matched with main wheel 11, auxiliary wheel mechanism 8 includes the auxiliary wheel 81 being arranged on auxiliary wheel carrier 82, the top of two longitudinal sections of the auxiliary wheel carrier 82 of Qian shape is arranged on two frame inwalls of vehicle frame 1 by anchor point 83 respectively, and auxiliary wheel carrier 82 makes auxiliary wheel 81 can match with main wheel 11 or rotate around two anchor point 83 rotary expansions to draw in the region between vehicle frame 1；Wherein the top of a longitudinal section be provided with positioning spring pin 84 match with the pin-and-hole 15 on corresponding vehicle frame 1 frame inwall so that when this auxiliary wheel carrier 82 is opened can fixed position, the limited post 16 being provided with on arc-shaped limit groove 85 vehicle frame corresponding with another 1 frame inwall on the top of another longitudinal direction section matches to limit the rotation radian of this auxiliary wheel carrier 82.When auxiliary wheel mechanism 8 uses, by rotating auxiliary wheel carrier 82, auxiliary wheel mechanism 8 is opened, open and in positioning spring pin 84 being inserted pin-and-hole 15 after putting in place, make auxiliary wheel mechanism 8 be fixed on below the vehicle frame 1 of portable loading-unloading vehicle, the cooperating of auxiliary wheel 81 and main wheel 11 can strengthen article carrying during steadily laborsaving with when carrying stopped of portable loading-unloading vehicle, and the setting of auxiliary wheel mechanism 8 can be used in ensureing that the power of pop-up that portable loading-unloading vehicle balances makes down the power of pressure.Draw in the region between vehicle frame 1 when auxiliary wheel mechanism 8 can be folded by the portable loading-unloading vehicle not used time to reduce taking of space.

As shown in Figure 9, when drive mechanism in headstock 2 is reducing motor 21, reducing motor 21 is connected with power supply 23 by relay 22, and on the outer wall of headstock 2, it is provided with the on and off switch 24 being connected with power supply 23 and voltage indicator 25, this power supply 23 is that electric energy supplied by the embedded stand-by motor 42 in the front end of main arm 4 simultaneously, and is respectively equipped with lifting button 17 on two handles 12 in order to control reducing motor 21 and stand-by motor button 18 for controlling stand-by motor 42；Elevating screw 3 also can use hydraulic control, and hydraulic mechanism is arranged in headstock 2.

As shown in Figure 10, vehicle frame 1 being additionally provided with brake system 9, brake system 9 can solve to slip car phenomenon under portable loading-unloading vehicle halted state the most easily, is also convenient for stopping in transit；The inner side that the brake hands of brake system 9 is arranged on handle 12 91, and brake hands is connected with the brake rubber block 93 being positioned at main wheel 11 side by being positioned at the brake connecting line 92 of vehicle frame 1 91, under the brake hands control 91, brake rubber block 93 is adjacent at main wheel 11 to carry out brake operation.

Portable loading-unloading vehicle of the present utility model uses the critical piece of the car body such as aluminium profile vehicle frame 1, main arm 4, reasonably uses lever principle to combine with engineering mechanics perfection, then is equipped with reasonably electrical circuit；Lever principle is utilized to find the rational fulcrum 41 can bearing article easily；The cooperation of engineering mechanics make carrying after instrument can light movement；The most multiple suspender combines, and allows the object volume size of carrying, shape etc. not restricted, easily can improve the object of the various big small size of below 250Kg to 1.5m, and entity can make scaling up and reduce production and processing.

Fork truck of the present utility model 5 coordinates transmission by the rack and pinion with radian, drives the stand-by motor 42 of gear to use turbine retarding power system to make the transmission speed of rack-and-pinion more steady；Use the guideway 45 motion in arc guide groove 54 to retrain gear, tooth bar simultaneously, the motion of gear, tooth bar and guideway 45, arc guide groove 54 uses open, can conveniently fast disassembling with reach use motility, make the delivery more diversification of portable loading-unloading vehicle, and the anglec of rotation can be provided to tackle diverse location object.

Fork truck 5 of the present utility model can in order to carry cannot handling case dress article, match from the external gear 43 that stand-by motor 42 drives equipped with arc-shaped rack 55 on fork truck 5 to facilitate and succinct rotate different angles and take the article of diverse location with shovel, gear, the coordinating to rotate and also greatly facilitate cargo compartment taking-up from shelf and lay of tooth bar；The interposition of jaw connector 52 installs opening in order to facilitate the peace loading, unloading of this fork truck 5.

Suspension hook 6 of the present utility model is by using the gib head 61 made of metal material and the hook arm 63 of parent's magnetic, and below the front end of hook arm 63, it is inlaid with Magnet 64, make gib head 61 can adsorb and in the lower section of hook arm 63, gib head 61 will not be rocked because of the magnetic of Magnet 64, magnetic because of Magnet 64 is more than the gravity of gib head 61, gib head 61 is attracted to so that gib head 61 is constantly in level below hook arm 63, and object just can be sling by such one man operation by gib head 61 simply and easily through suspension ring；When object is transported to destination, only a dolly gib head 61 pushed away at this moment the most gently can need to be separated with hung object by the magnetic-adsorption of Magnet 64 to the lower section of hook arm 63 such that it is able to draw off to withhold by gib head 61 very easily；The front end being fixed on main arm 4 that this suspension hook 6 can be highly stable is made additionally by the setting of transverse axis 65 and hole 66, location.

The pawl 7 that hangs of the present utility model is by being fixed on three claws 71 on position-arresting disk 73 and its junction point uses alignment pin 72 to connect to make the claw 71 can be freely rotatable, joint is used to be connected the range of movement retraining claw 71 between claw 71 with master arm 75, open equipped with claw 71 being made to automatically reset equipped with back-moving spring 711 between position-arresting disk 73 and the master arm 75 of claw 71, the position-arresting disk 73 of stationary jaw 71 is connected with using telescopic arm 74 in the middle of master arm 75, telescopic arm 74 is provided with draw-in groove 77 and is snapped in by the brake line 76 with salient point, it is thus possible to pull brake line 76 to make claw 71 carry out contractile motion；This hang pawl 7 effectively solve run in handling process carrying without through hole and the object of suspension ring screw thread so that handling becomes more convenient, decreases a dead lift cost and the unexpected injury brought.

Auxiliary wheel mechanism 8 of the present utility model is matched by two main wheels 11 with portable loading-unloading vehicle, the rotary expansion of auxiliary wheel mechanism 8 and rotating draw in make auxiliary wheel 81 and main wheel 11 with the use of and being used alone of main wheel 11 between conversion the most convenient effectively, laborsaving steadily and when carrying i.e. having accomplished to stop in transport with storage, and deposit and be not take up exceptional space；Slip car phenomenon under additionally brake system 9 can solve portable loading-unloading vehicle halted state the most easily, be also convenient for stopping in transit.

Above example only illustrates technological thought of the present utility model; protection domain of the present utility model can not be limited with this; every according to the technological thought that the utility model proposes, any change done on the basis of technical scheme, within each falling within this utility model protection domain；The technology that this utility model is not directed to all can be realized by prior art.

Claims

1. a portable loading-unloading vehicle, including vehicle frame (1), the main wheel (11) of vehicle frame (1) front end and the handle (12) of rear end, it is characterized in that: the power transverse axis (13) of described vehicle frame (1) front portion uses sleeve fashion to be equipped with headstock (2), it is connected with the fulcrum (41) arranged in main arm (4) by the other end of the elevating screw (3) of the drive mechanism driving in headstock (2), the front end of main arm (4) is used for installing the rear end of handling instrument and main arm (4) and uses sleeve fashion to be nested with the support transverse axis (14) at vehicle frame (1) rear portion；During one man operation, under the driving of drive mechanism, elevating screw (3) elongation rising makes headstock (2) rotate around power transverse axis (13) and main arm (4) tail end rotates around supporting transverse axis (14), and then make the front end rising of winner's arm (4) article hang height or raise, otherwise then article are put down.

Portable loading-unloading vehicle the most according to claim 1, it is characterised in that: the rear end of the neighbouring main arm (4) of the described fulcrum (41) position fulcrum (41) on main arm (4) length direction and main arm (4) is divided into 0.8～1.3:2 two parts；Fulcrum (41) is positioned at the widthwise central of main arm (4)；The roof of the neighbouring main arm (4) of fulcrum (41) and main arm (4) is divided into two parts of 6～7:8～9 in the short transverse of main arm (4).

Portable loading-unloading vehicle the most according to claim 1, it is characterized in that: when described handling instrument is fork truck (5), fork truck (5) includes jaw (51), the afterbody of jaw (51) is fixed on the lower end of the arc-shaped guide rail (53) being arranged in pairs by jaw connector (52), arc-shaped guide rail (53) can be arranged on main arm (4) front end, the upper built-in arc guide groove (54) of arc-shaped guide rail (53) is used for setting the guideway (45) at bearing (44) two ends being fixed on main arm (4) front end welding, and the external gear (43) that arc-shaped rack (55) stand-by motor (42) built-in with main arm (4) front end that arrange of arc-shaped guide rail (53) back drives engages each other to adjust jaw (51) angle.

Portable loading-unloading vehicle the most according to claim 3, it is characterized in that: be also provided with arc inner tooth bar on described arc guide groove (54), the internal gear that this arc inner tooth bar and stand-by motor (42) drive engages each other to improve the stability that this fork truck (5) rotates；Described jaw connector (52) is provided with opening so that the installation of this fork truck (5) unloads.

Portable loading-unloading vehicle the most according to claim 1, it is characterized in that: when described handling instrument is suspension hook (6), suspension hook (6) includes gib head (61), gib head (61) is movably connected in the front end of hook arm (63) by suspension hook bearing pin (62), Magnet (64) it is inlaid with below the front end of hook arm (63), gib head (61) and hook arm (63) all use the metal material of parent's magnetic to make so that gib head (61) can adsorb and make gib head (61) to rock because of the magnetic of Magnet (64) in the lower section of hook arm (63), and gib head (61) absorption when the lower section of hook arm (63) opening of gib head (61) towards level.

Portable loading-unloading vehicle the most according to claim 5, it is characterised in that: the tail end upper wall opening part of described hook arm (63) is provided with transverse axis (65), and transverse axis (65) can buckle on the hook (46) arranged in main arm (4) front end；Tail end lower wall in hook arm (63) is provided with hole, location (66) simultaneously, and the suspender spring catch (47) that main arm (4) front end that hole (66) place, location is corresponding is arranged can be passed down through hole, location (66) and this suspension hook (6) can be stably fixed on the front end of main arm (4).

Portable loading-unloading vehicle the most according to claim 5, it is characterized in that: when described handling instrument is for hanging pawl (7), hang pawl (7) and include three claws being circumferentially distributed (71), the positioning end of claw (71) is arranged on position-arresting disk (73) by alignment pin (72) and makes the claw (71) can be freely rotatable around alignment pin (72), position-arresting disk (73) is connected with master arm (75) by telescopic arm (74), and the two ends of position limit arm (78) are connected with claw (71) and master arm (75) with articulating pin (710) respectively by spacing bearing pin (79), joint is i.e. used to connect the range of movement retraining claw (71) between claw (71) and master arm (75)；Lower end is snapped in the draw-in groove (77) that telescopic arm (74) top is arranged by telescopic arm (74) with the brake line (76) of salient point, and the drive end of the other end and stand-by motor (42) that brake line (76) stretches out master arm (75) and brake line (76) is connected；The bending place of described claw (71) is connected with master arm (75) by position limit arm (78) and the two ends of position limit arm (78) are flexibly connected with claw (71) and master arm (75) respectively；Described brake line (76) pulls up telescopic arm (74) under the driving of stand-by motor (42), telescopic arm (74) drives position-arresting disk (73) to move upward, clamping the object unloaded to be installed owing to the constraint of position limit arm (78) makes claw (71) can only shrink when position-arresting disk (73) moves upward, brake line (76) unclamps, and claw (71) resets and opens.

Portable loading-unloading vehicle the most according to claim 7, it is characterized in that: be equipped with back-moving spring (711) on the telescopic arm (74) between described position-arresting disk (73) and master arm (75), back-moving spring (711) can make claw (71) automatically reset to open after brake line (76) are decontroled in the adverse movement of motor；Be provided with bolt (712) on the top of master arm (75), the upper end of bolt (712) is by being threaded into the front end of the hook arm (63) after extracing gib head (61) and using that nut is fixing to be made this hang pawl (7) to be fixed on the front end of hook arm (63) simultaneously.

Portable loading-unloading vehicle the most according to claim 1, it is characterized in that: on described vehicle frame (1), be additionally provided with the auxiliary wheel mechanism (8) matched with main wheel (11), auxiliary wheel mechanism (8) includes the auxiliary wheel (81) being arranged on auxiliary wheel carrier (82), the top of the longitudinal section of the two of the auxiliary wheel carrier (82) of Qian shape is arranged on two frame inwalls of vehicle frame (1) by anchor point (83) respectively, auxiliary wheel carrier (82) makes auxiliary wheel (81) can match with main wheel (11) or rotate around two anchor point (83) rotary expansions to draw in the region between vehicle frame (1)；Wherein the top of a longitudinal section be provided with positioning spring pin (84) match with the pin-and-hole (15) on corresponding vehicle frame (1) frame inwall so that when this auxiliary wheel carrier (82) is opened can fixed position, the limited post (16) being provided with on vehicle frame (1) the frame inwall that arc-shaped limit groove (85) is corresponding with another on the top of another longitudinal direction section matches to limit the rotation radian of this auxiliary wheel carrier (82).

Portable loading-unloading vehicle the most according to claim 1, it is characterized in that: when the drive mechanism in described headstock (2) is reducing motor (21), reducing motor (21) is connected with power supply (23) by relay (22), and on the outer wall of headstock (2), it is provided with the on and off switch (24) being connected with power supply (23) and voltage indicator (25), this power supply (23) is stand-by motor (42) the supply electric energy that the front end of main arm (4) is embedded simultaneously, and on two handles (12), it is respectively equipped with lifting button (17) in order to control reducing motor (21) and stand-by motor button (18) for controlling stand-by motor (42)；Described elevating screw (3) also can use hydraulic control.

11. portable loading-unloading vehicles according to claim 1, it is characterized in that: on described vehicle frame (1), be additionally provided with brake system (9), the brake hands of brake system (9) is arranged on the inner side of handle (12) (91), and brake hands is connected by the brake connecting line (92) being positioned at vehicle frame (1) (91) with the brake rubber block (93) being positioned at main wheel (11) side, at brake hands, brake rubber block (93) under the control of (91) is adjacent at main wheel (11) to carry out brake operation.