CN206108814U - Stable forward type forklift truck traveles - Google Patents

Abstract

The utility model relates to a stable forward type forklift truck traveles, including body assembly and portal assembly, body assembly includes that frame, electrical apparatus system, power device, steering wheel subassembly, multiple unit valve subassembly and traveling mechanism traveling mechanism are including installing preceding bull wheel subassembly, the driving wheel assembly who fixes at the frame front end on the wall that protracts and fixing the stabilizer subassembly at frame the back -end, the utility model discloses a set up the guide rail on body assembly to the corresponding combination pulley that sets up on the portal assembly, rethread antedisplacement hydro -cylinder is connected body assembly and portal assembly, has realized the function of fork truck's fork frame antedisplacement, can satisfy more complicated environmental requirement, just the utility model discloses a traveling mechanism all is furnished with the wheel in the rear portion in frame bottom preceding, and the wheel at well rear portion still is equipped with damping spring for fork truck wholly traveles more steadily.

Description

A kind of reach truck of driving stability

Technical field

The utility model is related to a kind of reach truck of driving stability.

Background technology

In the market bulky, the inflexible shortcoming of operation, although with technology is being usually present with fork truck Progressive, the 26S Proteasome Structure and Function of fork truck there has been significant improvement, but less for some places, and goods stacks unordered and ground The not high carrying place of flatness, common fork truck cannot the operation under this kind of environment, or operating efficiency is extremely low, because field The less meeting in ground causes the fork truck of large volume to travel operation；Goods stacks unordered so that door frame only lifts and lean forward function Fork truck cannot directly carry goods of the place inner side, affect efficiency；The not high meeting of ground flat degree causes fork truck carrying traveling During jolt, cause goods to drop and cause the loss of personnel and property；Therefore being badly in need of one kind at present can meet complex site Fork truck.

The content of the invention

In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of shift-forward type fork of driving stability Car.

To achieve these goals, the utility model employs following technical scheme：

A kind of reach truck of driving stability, including body assembly and door frame assembly, the body assembly include vehicle frame, Electric system, power set, steering wheel assembly, multichannel valve module and traveling mechanism, the two ends point of the vehicle frame front bottom end Lead arm is not fixed with, the traveling mechanism includes the front big wheel assembly being arranged on lead arm, is fixed on the drive of vehicle frame front end Drive wheel assemblies and be fixed on the balance wheel assembly of vehicle frame rear end, it is described before big wheel assembly include mutually nested foreign steamer and wheel Core, the both sides of the core wheel are embedded with respectively second bearing, and the side of the foreign steamer is further fixed on front-wheel end cap, and the foreign steamer is another Felt seal ring is further fixed on the core wheel of side, the balance wheel assembly includes wheel carrier, wheel shaft, axle bed and stabilizer, described One end of wheel carrier is hinged with vehicle frame, and the other end and the vehicle frame of the wheel carrier are mutually fixed by the first damping spring, the axle bed Upper end is rotated by 3rd bearing and is fixed on one end that wheel carrier is provided with the first damping spring, and the wheel shaft is hinged under axle bed End, two stabilizers rotate the two ends for being fixed on wheel shaft by 3rd bearing respectively, and end is further fixed on the outside of the stabilizer Lid, is additionally provided with stop washer on the inside of the stabilizer, be located on the wheel carrier at axle bed and be further fixed on wheel carrier upper end cover, described Drive wheel assemblies include motor, steer motor, floating shelf, drive reduction box and driving wheel, the upper end of the floating shelf and Lower end is hinged on vehicle frame respectively by riser and driving arm, and the second damping bullet is additionally provided between the floating shelf and vehicle frame Spring, the motor is fixed on floating shelf, and is connected with reduction box is driven, and the driving reduction box is rotatably arranged on floating The lower end of moving frame, and drive the top edge of reduction box to be provided with gear ring, the driving wheel is arranged on driving reduction box, the steering Motor is fixed on the corner of floating shelf, and steer motor is driven by little gear and drives reduction box to rotate, the door frame assembly bag Outer mast, inner upright mounting and goods shelf component are included, the two bottom sides of the outer mast are provided with L-shaped reach guide plate, the reach guide plate Rear and front end be respectively equipped between Combined pulley, and two Combined pulley and be further fixed on outer pulley assembly, before the both sides Move and mutually fixed by gripper shoe between guide plate, the gripper shoe middle part is hinged with reach oil cylinder, and the door frame assembly is by reach In the lead arm of the embedded body assembly of Combined pulley on guide plate, and reach oil cylinder is hinged with body assembly.

Preferably：The electric system include being fixed on battery in second component cabin, automatically controlled heat sink, Dc-dc, steering controller and main contactor, the electric system also includes the instrument board being fixed on hood, manipulates Bar, horn button, electric lock and emergency stop switch.

Preferably：The multichannel valve module is fixed in second component cabin by installing plate, multichannel valve module bag Include banked direction control valves and the control stick that leans forward, reach control stick and the raising control stick that are hinged on side by side on pull bar support, and the behaviour that leans forward Vertical pole, reach control stick and raising control stick are connected respectively by connecting rod with banked direction control valves.

Preferably：The power set and steering wheel assembly are each attached in first component cabin, power set bag Include fuel tank, lifting motor and gear pump, the gear pump is fixed on the upper end of lifting motor, and gear pump by oil pump suction tube with Fuel tank is connected, and filter core is provided with the fuel tank, and fuel tank upper end is provided with tank cover, and the tank cover is provided with filter screen seat, The fuel tank is connected by banked direction control valves oil return pipe with multichannel valve module.

Preferably：The steering wheel assembly includes stepper motor, connecting shaft, ring flange and disk cover, the company One end of spindle is rotatably arranged on stepper motor by clutch shaft bearing, and stepper motor seat and flange are further fixed on stepper motor, The connecting shaft sequentially passes through stepper motor seat and flange, and clutch shaft bearing, the company also are provided between the connecting shaft and flange The other end of spindle is fixed with ring flange, and the disk cover is fixed on ring flange, and the side on the disk cover is further fixed on Directional lever.

Preferably：The bottom of the outer mast is further fixed on leading between lift oil tank, and lift oil tank and side wall Cross anchor ear to fix, the upper end of the outer mast is additionally provided with fixed transverse slat, is longitudinally provided with along door frame madial wall on the outer mast One guide rail, above first guide rail Combined pulley is additionally provided with.

Preferably：Interior guide rail and outer guide, the outer guide are longitudinally provided with the inner upright mounting along door frame side wall Bottom be additionally provided with big Combined pulley, the inner upright mounting upper end is further fixed on link, and the inside of the link is provided with door frame Sprocket wheel and oil pipe sprocket wheel.

Preferably：The goods shelf component include balladeur train, pallet fork support, guardrail and pallet fork, the pallet fork hang down The upper and lower ends of straight wall are equipped with fixture block, and the pallet fork is fixed on pallet fork support by fixture block, and the guardrail is fixed on pallet fork The two ends on frame top, the upper and lower ends of the two side of the balladeur train are equipped with Combined pulley, top and the pallet fork of the balladeur train The top of frame is hinged, and bottom and the bottom of pallet fork support of the balladeur train are hinged by dump ram.

Preferably：The Combined pulley includes roller, roller shaft and trundle, and the roller is rotated by bearing It is arranged on roller shaft, and the flexible back-up ring of outer end card of roller shaft, the outer end of the roller shaft is also arranged with little wheel carrier, described Trundle is arranged on little wheel carrier by bearing pin, and the inner of the roller shaft is provided with the set screw for adjusting little wheel carrier.

Preferably：The Combined pulley includes roller, roller shaft and trundle, and the roller is rotated by bearing It is arranged on roller shaft, and the flexible back-up ring of outer end card of roller shaft, the outer end of the roller shaft is also arranged with little wheel carrier, described Trundle is arranged on little wheel carrier by bearing pin, and the inner of the roller shaft is provided with the set screw for adjusting little wheel carrier.

The utility model on body assembly by arranging guide rail, and corresponding setting combines cunning on door frame assembly Wheel, then body assembly is connected with door frame assembly by reach oil cylinder, the function of the goods shelf reach of fork truck is realized, can be full The more complicated environmental requirement of foot, and traveling mechanism of the present utility model is provided with wheel in the front postmedian of bottom of frame, and in The wheel at rear portion is additionally provided with damping spring so that fork truck integrally travels more steady.

Description of the drawings

Fig. 1 is the structural representation of the body assembly of reach truck.

Fig. 2 is the structural representation of the door frame assembly of reach truck.

Fig. 3 is the structural representation of the vehicle frame of reach truck.

Fig. 4 is the structural representation of the electric system of reach truck.

Fig. 5 is the structural representation of the steering wheel assembly of reach truck.

Fig. 6 is the structural representation of the power set of reach truck.

Fig. 7 is the structural representation of the multichannel valve module of reach truck.

Fig. 8 is the structural representation of the drive wheel assemblies of reach truck.

Fig. 9 is the structural representation of the front big wheel assembly of reach truck.

Figure 10 is the structural representation of the balance wheel assembly of reach truck.

Figure 11 is the configuration schematic diagram of the door frame assembly of reach truck.

Figure 12 is the structural representation of the outer mast of reach truck.

Figure 13 is the structural representation of the inner upright mounting of reach truck.

Figure 14 is the structural representation of the goods shelf component of reach truck.

Figure 15 is the structural representation of the Combined pulley of reach truck.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Restriction.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " is, based on orientation shown in the drawings or position relationship, to be for only for ease of Description the utility model and simplify description, rather than indicate or imply indication device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, unless otherwise stated, the implication of " multiple " It is two or more, unless otherwise clearly restriction.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can as the case may be understood Concrete meaning in the utility model.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it D score can include the first and second feature directly contacts, it is also possible to not be directly contact including the first and second features but logical The other characterisation contact crossed between them.And, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.

Reach truck as described in Fig. 1-Figure 15, including body assembly 1 and door frame assembly 2, the body assembly includes Vehicle frame, electric system, power set 12, steering wheel assembly 13, multichannel valve module 14 and traveling mechanism.

The vehicle frame includes overhead guard 15, first component cabin, second component cabin and personnel compartment, and the overhead guard 15 is provided with Rearview mirror 16, the first component cabin is mutually separated with personnel compartment by side shield 102, and the second component freight space is in first component Cabin and the front end of personnel compartment, the first component cabin is additionally provided with back box lid 105 and hood lock 106, and the second component cabin is provided with Front shroud 104, the side wall of the personnel compartment is provided with and leans against backing plate 101, and the bottom of personnel compartment is provided with pedal 103, described Second component cabin front bottom end is respectively fixed at two ends with lead arm 107, and the inner side of the lead arm 107 is provided with guide rail, described Hood 11 is further fixed at the top of first component cabin and second component cabin.

Electric system includes battery 1001, the automatically controlled heat sink 1002, dc-dc being fixed in second component cabin 1003rd, steering controller 1004 and main contactor 1005, the electric system also includes the instrument board being fixed on hood 11 111st, control stick 112, horn button 113, electric lock 114 and emergency stop switch 115.

The multichannel valve module 14 is fixed in second component cabin by installing plate 146, and multichannel valve module 14 includes multichannel Valve 147 and the control stick 141 that leans forward being hinged on side by side on pull bar support 144, reach control stick 142 and raising control stick 143, And the control stick 141 that leans forward, reach control stick 142 and raising control stick 143 are connected respectively by connecting rod 145 with banked direction control valves 147.

The power set 12 and steering wheel assembly 13 are each attached in first component cabin, and power set 12 include fuel tank 123rd, lifting motor 125 and gear pump 126, the gear pump 126 is fixed on the upper end of lifting motor 125, and gear pump 126 is logical Cross oil pump suction tube 124 to be connected with fuel tank 123, filter core is provided with the fuel tank, fuel tank upper end is provided with tank cover 121, described Tank cover 121 is provided with filter screen seat 128, and the fuel tank is connected by banked direction control valves oil return pipe 127 with multichannel valve module.

The steering wheel assembly 13 includes stepper motor 135, connecting shaft 133, ring flange 132 and disk cover 131, the company One end of spindle 133 is rotatably arranged on stepper motor 135 by clutch shaft bearing 134, and stepping electricity is further fixed on stepper motor 135 Support 138 and flange 137, the connecting shaft 133 sequentially passes through stepper motor seat 138 and flange 137, the connecting shaft 133 with Clutch shaft bearing 134 also is provided between flange 137, the other end and the ring flange 132 of the connecting shaft 133 are fixed, the disk cover 131 are fixed on ring flange 132, and the side on the disk cover 131 is further fixed on directional lever 136.

The traveling mechanism includes the front big wheel assembly 17 being arranged on lead arm 107, is fixed on the driving of vehicle frame front end Wheel assembly and it is fixed on the balance wheel assembly 18 of vehicle frame rear end.

Big wheel assembly 17 includes mutually nested foreign steamer 174 and core wheel 173 before described, and the both sides of the core wheel 173 are distinguished Second bearing 172 is embedded with, the side of the foreign steamer 174 is further fixed on front-wheel end cap 175, the wheel of the opposite side of the foreign steamer 174 Felt seal ring 171 is further fixed on core 173.

The balance wheel assembly 18 includes wheel carrier 182, wheel shaft 185, axle bed 184 and stabilizer 188, the wheel carrier 182 One end is hinged with vehicle frame, and the other end and the vehicle frame of the wheel carrier 182 are mutually fixed by the first damping spring 183, the axle bed 184 upper ends are rotated by 3rd bearing 186 and are fixed on one end that wheel carrier 182 is provided with the first damping spring 183, the wheel shaft 185 lower ends for being hinged on axle bed 184, two stabilizers 188 are rotated by 3rd bearing 186 be fixed on the two of wheel shaft 185 respectively End, the outside of the stabilizer 188 is further fixed on end cap, and the inner side of the stabilizer 188 is additionally provided with stop washer 187, described It is located on wheel carrier 182 at axle bed 184 and is further fixed on wheel carrier upper end cover 181.

The drive wheel assemblies include motor 192, steer motor 193, floating shelf 194, driving reduction box 195 and drive Driving wheel 196, the top and bottom of the floating shelf 194 are hinged on vehicle frame respectively by riser 191 and driving arm 199, institute State and the second damping spring 198 be additionally provided between floating shelf 194 and vehicle frame, the motor 192 is fixed on floating shelf 194, And be connected with reduction box 195 is driven, the lower end for driving reduction box 195 to be rotatably arranged on floating shelf 194, and drive deceleration The top edge of case 195 is provided with gear ring, and the driving wheel 196 is arranged on driving reduction box 195, and the steer motor 193 is fixed Driven by little gear 197 and drive reduction box 195 to rotate in the corner of floating shelf 194, and steer motor 193.

The door frame assembly 2 includes outer mast 21, inner upright mounting 22 and goods shelf component 23,

The two bottom sides of the outer mast 21 are provided with L-shaped reach guide plate 212, the rear and front end point of the reach guide plate 212 It is not provided between Combined pulley 25, and two Combined pulley 25 and is further fixed on outer pulley assembly 213, the reach guide plate of the both sides Mutually fixed by gripper shoe between 212, the gripper shoe middle part is hinged with reach oil cylinder 219, and the bottom of the outer mast 21 is also It is fixed between lift oil tank 214, and lift oil tank 214 and side wall and is fixed by anchor ear 218, the upper end of the outer mast 21 is also Fixed transverse slat 217 is provided with, the first guide rail, the top of first guide rail are longitudinally provided with along door frame madial wall on the outer mast 21 It is additionally provided with Combined pulley 25.

Interior guide rail 221 and outer guide 222 are longitudinally provided with along door frame side wall on the inner upright mounting 22, the outer guide 222 Bottom is additionally provided with big Combined pulley, and the upper end of the inner upright mounting 22 is further fixed on link 223, and the inside of the link 223 sets There are door frame sprocket wheel 225 and oil pipe sprocket wheel 224.

The goods shelf component 23 includes balladeur train 232, pallet fork support 233, guardrail 234 and pallet fork 235, the pallet fork 235 The upper and lower ends of vertical wall be equipped with fixture block, the pallet fork 235 is fixed on pallet fork support 233, the guardrail 234 by fixture block The two ends on the top of pallet fork support 233 are fixed on, the upper and lower ends of the two side of the balladeur train 232 are equipped with Combined pulley 25, institute The top and the top of pallet fork support 233 for stating balladeur train 232 is hinged, the bottom of the balladeur train 232 and the bottom of pallet fork support 233 It is hinged by dump ram 231.

In the first guide rail of the inner upright mounting 22 by the embedded outer mast of big Combined pulley, and the Combined pulley of outer mast 21 25 are also embedded in the outer guide 222 of inner upright mounting 22, and the upper end of the lift oil tank is mutually fixed with the link 223 of inner upright mounting 22, The goods shelf component 23 is embedded in the interior guide rail 221 of inner upright mounting 22 by Combined pulley 25, the goods shelf component 23 with it is outer Connected by chain 24 between door frame 21, chain 24 is respectively fixed at two ends with chain rod 215, the chain rod 215 of one end Mutually fix with the fixed transverse slat 217 of outer mast 21, the bottom of the chain rod 215 of the other end and the balladeur train 232 of goods shelf component 23 Plate is mutually fixed.The door frame assembly 2 is embedded in the lead arm 107 of body assembly 1 by the Combined pulley 25 on reach guide plate 212 It is interior, and reach oil cylinder 219 is hinged with body assembly 1.

The Combined pulley 25 includes roller 252, roller shaft 254 and trundle 256, and the roller 252 is turned by bearing It is dynamic to be arranged on roller shaft 254, and the flexible back-up ring 251 of outer end card of roller shaft 254, the outer end of the roller shaft 254 also covers Little wheel carrier 253 is provided with, the trundle 256 is arranged on little wheel carrier 253 by bearing pin 257, and the inner of the roller shaft 254 sets There is the set screw 255 for adjusting little wheel carrier 253.

It should be pointed out that above example is only representative example of the present utility model.The utility model can also have many Deformation.Every above example is made any simple modification, equivalent variations and modification according to essence of the present utility model, It is considered as belonging to protection domain of the present utility model.

Claims (9)

1. a kind of reach truck of driving stability, it is characterised in that：Including body assembly（1）With door frame assembly（2）, the car Body assembly includes vehicle frame, electric system, power set（12）, steering wheel assembly（13）, multichannel valve module（14）And traveling machine Structure, the vehicle frame front bottom end is respectively fixed at two ends with lead arm（107）, the traveling mechanism include be arranged on lead arm （107）On front big wheel assembly（17）, be fixed on the drive wheel assemblies of vehicle frame front end and be fixed on the stabilizer of vehicle frame rear end Component（18）, the front big wheel assembly（17）Including mutually nested foreign steamer（174）And core wheel（173）, the core wheel（173）'s Both sides are embedded with respectively second bearing（172）, the foreign steamer（174）Side be further fixed on front-wheel end cap（175）, the foreign steamer （174）The core wheel of opposite side（173）On be further fixed on felt seal ring（171）, the balance wheel assembly（18）Including wheel carrier （182）, wheel shaft（185）, axle bed（184）And stabilizer（188）, the wheel carrier（182）One end be hinged with vehicle frame, the wheel Frame（182）The other end and vehicle frame pass through the first damping spring（183）It is mutually fixed, the axle bed（184）Upper end passes through the 3rd axle Hold（186）Rotation is fixed on wheel carrier（182）It is provided with the first damping spring（183）One end, the wheel shaft（185）It is hinged on axle Seat（184）Lower end, two stabilizers（188）Pass through 3rd bearing respectively（186）Rotation is fixed on wheel shaft（185）Two ends, The stabilizer（188）Outside be further fixed on end cap, the stabilizer（188）Inner side be additionally provided with stop washer（187）, institute State wheel carrier（182）It is upper to be located at axle bed（184）Place is further fixed on wheel carrier upper end cover（181）, the drive wheel assemblies include drive electricity Machine（192）, steer motor（193）, floating shelf（194）, drive reduction box（195）And driving wheel（196）, the floating shelf （194）Top and bottom respectively pass through riser（191）And driving arm（199）It is hinged on vehicle frame, the floating shelf（194） The second damping spring is additionally provided between vehicle frame（198）, the motor（192）It is fixed on floating shelf（194）On, and with drive Dynamic reduction box（195）It is connected, the driving reduction box（195）It is rotatably arranged on floating shelf（194）Lower end, and drive slow down Case（195）Top edge be provided with gear ring, the driving wheel（196）It is arranged on driving reduction box（195）On, the steer motor （193）It is fixed on floating shelf（194）Corner, and steer motor（193）By little gear（197）Drive and drive reduction box （195）Rotate, the door frame assembly（2）Including outer mast（21）, inner upright mounting（22）With goods shelf component（23）, the outer mast （21）Two bottom sides be provided with L-shaped reach guide plate（212）, the reach guide plate（212）Rear and front end be respectively equipped with combination slide Wheel（25）, and two Combined pulley（25）Between be further fixed on outer pulley assembly（213）, the reach guide plate of the both sides（212） Between mutually fixed by gripper shoe, gripper shoe middle part is hinged with reach oil cylinder（219）, the door frame assembly（2）By front Move guide plate（212）On Combined pulley（25）Embedded body assembly（1）Lead arm（107）It is interior, and reach oil cylinder（219）With car Body assembly（1）It is hinged.

2. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The electric system includes The battery being fixed in second component cabin（1001）, automatically controlled heat sink（1002）, dc-dc（1003）, course changing control Device（1004）And main contactor（1005）, the electric system also include be fixed on hood（11）On instrument board（111）, manipulate Bar（112）, horn button（113）, electric lock（114）And emergency stop switch（115）.

3. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The multichannel valve module （14）By installing plate（146）It is fixed in second component cabin, multichannel valve module（14）Including banked direction control valves（147）And and row hinge It is connected on pull bar support（144）On the control stick that leans forward（141）, reach control stick（142）With raising control stick（143）, and lean forward Control stick（141）, reach control stick（142）With raising control stick（143）Pass through connecting rod respectively（145）With banked direction control valves（147）Phase Connection.

4. the reach truck of a kind of driving stability according to claim 3, it is characterised in that：The power set（12） And steering wheel assembly（13）It is each attached in first component cabin, power set（12）Including fuel tank（123）, lifting motor（125） And gear pump（126）, the gear pump（126）It is fixed on lifting motor（125）Upper end, and gear pump（126）By pumping Oil pipe（124）With fuel tank（123）It is connected, filter core is provided with the fuel tank, fuel tank upper end is provided with tank cover（121）, it is described Tank cover（121）It is provided with filter screen seat（128）, the fuel tank is by banked direction control valves oil return pipe（127）It is connected with multichannel valve module Connect.

5. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The steering wheel assembly （13）Including stepper motor（135）, connecting shaft（133）, ring flange（132）And disk cover（131）, the connecting shaft（133）'s One end passes through clutch shaft bearing（134）It is rotatably arranged on stepper motor（135）, stepper motor（135）On be further fixed on stepper motor Seat（138）And flange（137）, the connecting shaft（133）Sequentially pass through stepper motor seat（138）And flange（137）, the connection Axle（133）With flange（137）Between also be provided with clutch shaft bearing（134）, the connecting shaft（133）The other end and ring flange （132）It is fixed, the disk cover（131）It is fixed on ring flange（132）On, the disk cover（131）On side be further fixed on Directional lever（136）.

6. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The outer mast（21）'s Bottom is further fixed on lift oil tank（214）, and lift oil tank（214）Pass through anchor ear between the wall of side（218）It is fixed, the external door Frame（21）Upper end be additionally provided with fixed transverse slat（217）, the outer mast（21）On be longitudinally provided with the first guide rail along door frame madial wall, Combined pulley is additionally provided with above first guide rail（25）.

7. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The inner upright mounting（22）On Along door frame side, wall is longitudinally provided with interior guide rail（221）And outer guide（222）, the outer guide（222）Bottom be additionally provided with big combination Pulley, the inner upright mounting（22）Upper end is further fixed on link（223）, the link（223）Inside be provided with door frame sprocket wheel （225）With oil pipe sprocket wheel（224）.

8. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The goods shelf component （23）Including balladeur train（232）, pallet fork support（233）, guardrail（234）And pallet fork（235）, the pallet fork（235）Vertical wall Upper and lower ends are equipped with fixture block, the pallet fork（235）Pallet fork support is fixed on by fixture block（233）, the guardrail（234）It is fixed In pallet fork support（233）The two ends on top, the balladeur train（232）The upper and lower ends of two side be equipped with Combined pulley（25）, The balladeur train（232）Top and pallet fork support（233）Top be hinged, the balladeur train（232）Bottom and pallet fork support （233）Bottom pass through dump ram（231）It is hinged.

9. the reach truck of a kind of driving stability according to claim 1, it is characterised in that：The Combined pulley（25） Including roller（252）, roller shaft（254）And trundle（256）, the roller（252）Roller shaft is rotatably arranged on by bearing （254）On, and roller shaft（254）The flexible back-up ring of outer end card（251）, the roller shaft（254）Outer end be also arranged with it is little Wheel carrier（253）, the trundle（256）By bearing pin（257）It is arranged on little wheel carrier（253）On, the roller shaft（254）It is interior End is provided with for adjusting little wheel carrier（253）Set screw（255）.