CN206927550U - A kind of lifting service fork truck - Google Patents

Abstract

The utility model provides a kind of lifting service fork truck, solve it is existing service fork truck be not easy to store or be not easy to after store shift and hoistable platform world civilization it is not strong the problems such as.Including vehicle body, hoistable platform, elevating mechanism and controlling organization, vehicle body includes base and vehicle frame, and bottom of frame is provided with universal wheel, and base both sides are respectively and fixedly provided with vehicle frame, and two supports being parallel to each other are vertically fixed on base；Elevating mechanism is set between two supports and on crossbeam, and hoistable platform is connected with elevating mechanism rotating shaft, and hoistable platform can be placed parallel or perpendicular to base；Controlling organization is connected with elevating mechanism；Vehicle body also includes folded bicycle leg, and folded bicycle leg may be rotatably mounted on vehicle frame, and folded bicycle leg bottom is affixed on ground one end and is provided with car leg wheel；Folded bicycle leg includes rotating turret and rotatable leg, and rotating turret includes jig arm and pivoted arm, and one end and the vehicle frame of pivoted arm are rotatablely connected, and the pivoted arm other end is fixedly connected in obtuse angle with one end of jig arm；Rotatable leg and jig arm rotation connection.

Description

A kind of lifting service fork truck

Technical field

Fork truck technical field is the utility model is related to, more particularly to a kind of lifting service fork truck.

Background technology

Breaker is the important component in switch cubicle, lifting service fork truck carry breaker is transported through, Yi Jicong The vital task of breaker is taken out or installed in switch cubicle, is the indispensable annex of switch cubicle field maintenance and maintenance.

Now widely used breaker lifting service fork truck only takes into account facility during use, but lifting service fork truck In most cases all in receiving state, most lifting service fork truck can not be stored when not working, it is necessary to compared with Big space storage fork truck；A small number of lifting service fork trucks that can be stored can not be moved arbitrarily after storage, be not easy to turn Move and put；

In addition, the size of a part of breaker lifting service fork truck and structure only match with a kind of breaker at present, it is not The regulation of size can be carried out according to the model of breaker, universal performance and universality be not strong；Separately some can only use hand Dynamic or automatic mode, drives that lifting service fork truck labor intensity is big and stability is poor using manual mode, uses electric model Power-off just can not complete task in time to Shi Ruguo suddenly.

Utility model content

The utility model provides a kind of lifting service fork truck, solve it is existing service fork truck be not easy to store or store after Be not easy to transfer and hoistable platform world civilization it is not strong the problems such as.

To achieve the above object, technical solutions of the utility model are：

A kind of lifting service fork truck, including vehicle body, hoistable platform, elevating mechanism and controlling organization, the vehicle body include Base and vehicle frame, the bottom of frame are provided with universal wheel, and the both sides of the base are respectively and fixedly provided with the vehicle frame, erected on the base Two supports being parallel to each other directly are fixed with, two cradle tops are fixed with connecting cross beam；The elevating mechanism is arranged on Between two supports and on the crossbeam, the hoistable platform is connected with the elevating mechanism rotating shaft, passes through institute Rotating shaft is stated, the hoistable platform can be placed parallel or perpendicular to the base；The controlling organization connects with the elevating mechanism Connect, to control the elevating mechanism；The vehicle body also includes folded bicycle leg, and the folded bicycle leg may be rotatably mounted at the car On frame, the described one end of folded bicycle leg away from the vehicle frame is provided with car leg wheel；

The folded bicycle leg includes rotating turret and rotatable leg, and the rotating turret includes jig arm and pivoted arm, and the one of the pivoted arm End is rotatablely connected with the vehicle frame, and the other end of the pivoted arm is fixedly connected in obtuse angle with one end of the jig arm；The rotation Leg and jig arm rotation connection.

Further, the folded bicycle leg also includes steady pin, and the steady pin is through the jig arm and inserts described turn In dynamic leg.

Further, the car leg wheel is the wheel group for including at least one wheel, and the wheel group rotates with the rotatable leg Connection.

Further, the hoistable platform includes pallet fork platform, guide rail and guide rail regulating part, and the pallet fork platform is a square Shape platform, one end of the rectangular platform are rotatablely connected with the elevating mechanism；The guide rail is arranged on the pallet fork platform, The guide rail regulating part is arranged between the guide rail and the pallet fork platform；

The guide rail includes fixed guide rail and movable guiding rail, the fixed guide rail and is fixedly mounted on the one of the pallet fork platform Side, the movable guiding rail is parallel to the fixed guide rail and can be moved closer or far from the fixed guide rail；

The guide rail regulating part includes adjustment bar and adjustment pin, and the adjustment bar is fixed on the pallet fork platform and vertical In offering multiple positioning holes on the movable guiding rail, the adjustment bar；

The adjustment pin is arranged on the movable guiding rail bottom, and the adjustment pin includes pin frame, shank, spring and fixation Handle, the pin frame are fixed on the bottom of the movable guiding rail, and the shank is installed in the pin frame and the pin is stretched out at both ends Frame, the shank are provided with pull handle, and the spring is set on the shank and both ends difference contact is in the pull handle and described Sell on frame；The fixed handle is fixed on the bottom of the movable guiding rail and between the pull handle and the pin frame.

Further, the elevating mechanism includes motor, gearbox, lifting platform and screw mandrel, the motor output shaft with Transmission input shaft drive connection, is fixed with screw mandrel on the output shaft of gear-box, and the screw rod of the screw mandrel perpendicular to The base；The lifting platform includes the motion platform parallel to the base, the nut of the motion platform and the screw mandrel It is fixedly connected, the motion platform is rotatablely connected with the hoistable platform.

Further, the lifting platform also includes being fixed on the motion platform both ends and perpendicular to the pulley branch on ground Frame, the pulley bracket are offered on the support and matched with the pulley with being provided with pulley on the support opposite face Pulley groove.

Further, the gearbox include casing and the gearbox being installed in casing input worm screw module, Gearbox exports worm gear module and manual actuation module；The gearbox input worm screw module includes worm screw and gear shaft, institute The output axis connection of worm screw one end and the motor is stated, the other end is fixedly connected with one end of the gear shaft, the gear shaft On be cased with the first conical gear；

The gearbox output worm gear module includes the worm gear and link being connected with each other, and the worm gear and the worm screw nibble Close, the link bottom is fixed with the screw mandrel；

The manual actuation module includes drive shaft, the first travelling gear, the second travelling gear and the second conical gear, Return spring is cased with the drive shaft, first travelling gear is set in the drive shaft, second travelling gear Coaxially fixed with second conical gear, second travelling gear and first travelling gear engagement, first circle Bevel gear and second conical gear engagement.

Upper stop key that further, in addition to protection mechanism, the protection mechanism includes being connected with the controlling organization, Lower stop key and storage fool proof key, the upper stop key are fixedly mounted on the crossbeam bottom, and the lower stop key is arranged on On the base, the upper stop key and the lower stop key include the touching switch of two installations that are parallel to each other；The fortune Moving platform is provided with the triggering key corresponding with the upper stop key and the lower stop key；The storage fool proof key is fixed on institute Vehicle frame top is stated, the guide rail is provided with triggering key close to one end of the support.

Further, the controlling organization includes power supply, emergency stop switch, lifting button and control circuit, the power supply dress It is located in the vehicle frame and is powered for the control circuit and the motor；The emergency stop switch, the lifting button, it is described on Stop key, the lower stop key and the storage fool proof key electrically connect with the control circuit input；The control electricity Road output end electrically connects with the motor.

Further, in addition to hand autotomys converting mechanism, and the hand, which autotomys converting mechanism, includes switching switch, switching handle, switching The manual rocker and rocking bar hole of handle steady pin and mutual cooperation, the switching switch electrically connect with the control circuit；It is described Switching handle one end, which rotates, to be fixed on the vehicle body, forces the switching switch to play on or off in the switching handle rotation process Close, be consequently formed the adaptive switched key of hand；Rocking bar hole side wall is provided with a breach, and the switching handle other end inserts the breach It is interior, thus cooperatively form switching fool proof button；The switching handle is fixed on the vehicle body by the switching handle steady pin.

From above-mentioned to description of the present utility model, compared to the prior art, the utility model has the following advantages that：

First, the utility model can store folded bicycle leg and hoistable platform completely so that lifting service fork truck exists Accommodation space that need not be too big when not working can be placed, attractive in appearance and saving space.When needed during storage to lifting When servicing fork truck progress position adjustments and transhipment, it is not necessary to be fully deployed, it is only necessary to pull up steady pin, put down rotatable leg i.e. Can, now car leg wheel, everything wheel and base collectively constitute a four-wheel base, can promote lifting service fork truck in receiving state Optional position is gone to, is easy to the transhipment of car body and the replacing of deposit position.

2nd, trapped orbit and movable rail support can be adjusted according to the size of different breakers in the utility model use Distance, to allow breaker to be resting solidly on hoistable platform；Same portion's lifting service fork truck goes for appointing A kind of what breaker, universality is strong, is easy to use and manages.

3rd, pull handle need to only be pulled to fixed handle direction and can draw shank from positioning hole when the utility model is adjusted Go out, while pull movable rail to move to correct position, decontrol pull handle, shank can reinsert correspondingly under the drive of spring Positioning hole in；By regulation more fast and easy of the setting to platform size of regulating part, while the steady pin of setting Be also possible to prevent during regulation pull handle pull it is excessive bring it is inconvenient for use the problems such as；And the track of unilateral regulation is set The matching of the hoistable platform and switch cubicle be easy to after regulation.

4th, the motion for realizing hoistable platform, not only simple in construction, motion are coordinated in the utility model using worm gear and worm screw Velocity-stabilization, and solve using chain etc. realize the structure of elevating movement in hoistable platform load-carrying it is existing under slip and ask Topic.

5th, the utility model is when motion platform moves upwards, and when trigger member touches upper stop key, platform stops fortune It is dynamic；When motion platform moves downward, when trigger member touches lower stop key, platform stop motion；Prevent motion platform from transporting The dynamic damage for excessively causing lifting service fork truck.

6th, for the utility model when hoistable platform stores, triggering key of the guide rail close to one end of support is flat in lifting Platform can trigger storage fool proof key when moving, prevent maloperation during storage from causing to damage to lifting service fork truck.

7th, manually and automatically two kinds of work sides that the utility model has by the gearbox equipped with manual actuation module Formula, it is ensured that lifting service fork truck can continue to work when powering off suddenly, avoid the progress of dallying over one's work, while hand mechanism for automatically switching The adaptive switched key of hand and the dual fool proof insurance of switching fool proof button are taken, avoids occurring at work the mistake switching of mode of operation.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model Improper restriction.In the accompanying drawings：

Fig. 1 is structural representation one of the present utility model；

Fig. 2 is structural representation two of the present utility model；

Fig. 3 is the utility model decomposition texture schematic diagram；

Fig. 4 is the decomposition texture schematic diagram of the utility model gearbox；

Fig. 5 is the attachment structure schematic diagram of the utility model gearbox；

Fig. 6 is the structural representation that the utility model hand autotomys converting mechanism；

Fig. 7 is the structural representation one after the utility model storage；

Fig. 8 is the structural representation two after the utility model storage.

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are clearer, clear, with Under in conjunction with the accompanying drawings and embodiments, the utility model is further elaborated.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

Referring to figs. 1 to Fig. 8, a kind of lifting service fork truck, including vehicle body 1, hoistable platform 2, elevating mechanism 3 and control machine Structure 4, the vehicle body 1 include base 10 and vehicle frame 11, and the bottom of vehicle frame 11 is provided with universal wheel 110, the both sides of the base 10 The vehicle frame 11 is respectively and fixedly provided with, two supports 12 being parallel to each other, two supports 12 are vertically fixed on the base 10 Top is fixed with connecting cross beam 13；The elevating mechanism 3 is arranged between two supports 12 and is arranged on the crossbeam 13 On, the hoistable platform 2 is connected with the rotating shaft of elevating mechanism 3, by the rotating shaft, the hoistable platform 2 can with parallel or Placed perpendicular to the base 10；The controlling organization 4 is connected with the elevating mechanism 3, to control the elevating mechanism 3； The vehicle body 1 also includes folded bicycle leg 14, and the folded bicycle leg 14 may be rotatably mounted on the vehicle frame 11, the folded bicycle leg 14 one end away from the vehicle frame 11 are provided with car leg wheel 140；

The folded bicycle leg 14 includes rotating turret 141 and rotatable leg 142, and the rotating turret 141 includes jig arm 1410 and turned Arm 1411, one end of the pivoted arm 1411 are rotatablely connected with the vehicle frame 11, the other end and the jig arm of the pivoted arm 1411 1410 one end is fixedly connected in obtuse angle；The rotatable leg 142 and the jig arm 1410 are rotatablely connected.The folded bicycle leg 14 is also Including steady pin 143, the steady pin 143 is through the jig arm 1410 and inserts in the rotatable leg 142.The car leg wheel 140 be the wheel group for including at least one wheel, and the wheel group is rotatablely connected with the rotatable leg 142.

In lifting service fork truck is in running order, hoistable platform 2 and folded bicycle leg 14 are in deployed condition, now Hoistable platform 2 is perpendicular to support 12, i.e., parallel to ground；Simultaneously the bottom of folded bicycle leg 14 is affixed on ground, and steady pin 143 will Rotatable leg 142 and rotating turret 141 are fixed as one.

When needing to be stored lifting service fork truck, hoistable platform 2 is lifted up making it be close to vehicle frame 11 and consolidated It is fixed；The entirety of folded bicycle leg 14 can be lifted up being affixed on vehicle frame 11 simultaneously and fixed；Or steady pin 143 is pulled up, lift folder Arm 1410, now with being relatively rotated using it with the junction of jig arm 1410 as axle, jig arm 1410 moves up to rotatable leg 142 It is close to vehicle frame 11 and fixed, rotatable leg 142 with the connection end of jig arm 1410 with jig arm 1410, lift therewith upwards by motion, rotatable leg 142 other ends turn into free end, and are moved together to the direction of vehicle frame 11 with motor-car leg wheel 140, simultaneous wheels group and rotatable leg 142 The other end relatively rotates, to ensure that car leg wheel 140 is affixed on ground all the time.

Folded bicycle leg 14 and hoistable platform 2 are stored completely so that lifting service fork truck need not when not working Too big accommodation space can be placed, attractive in appearance and saving space；When needing to enter line position to lifting service fork truck during storage When putting regulation and transhipment, it is not necessary to be fully deployed, it is only necessary to pull up steady pin 143, put down rotatable leg 142, now Car leg wheel 140, everything wheel and base 10 collectively constitute a four-wheel base 10, can promote lifting service fork truck in receiving state Optional position is gone to, is easy to the transhipment of car body and the replacing of deposit position.

The hoistable platform 2 includes pallet fork platform 20, guide rail 21 and guide rail regulating part 22, and the pallet fork platform 20 is a square Shape platform, one end of the rectangular platform are rotatablely connected with the elevating mechanism 3；The guide rail 21 is arranged on the pallet fork platform On 20, the guide rail regulating part 22 is arranged between the guide rail 21 and the pallet fork platform 20；The guide rail 21 includes fixing Guide rail 210 and movable guiding rail 211, the fixed guide rail 210 are fixedly mounted on the side of the pallet fork platform 20, and the activity is led Rail 211 is parallel to the fixed guide rail 210 and can be moved closer or far from the fixed guide rail 210；

The guide rail regulating part 22 includes adjustment bar 220 and adjustment pin 221, and the adjustment bar 220 is fixed on the pallet fork Multiple positioning holes 2201 are offered on platform 20 and on the movable guiding rail 211, the adjustment bar 220；The regulation Pin 221 is arranged on the bottom of movable guiding rail 211, and the adjustment pin 221 includes pin frame 2210, shank 2211, the and of spring 2212 Fixed handle 2213, the pin frame 2210 are fixed on the bottom of the movable guiding rail 211, and the shank 2211 is installed in the pin frame The pin frame 2210 is stretched out in 2210 and both ends, and the shank 2211 is provided with pull handle 2214, and the spring 2212 is set in institute State on shank 2211 and contact is distinguished on the pull handle 2214 and the pin frame 2210 in both ends；The fixed handle 2213 is fixed on The bottom of the movable guiding rail 211 and between the pull handle 2214 and the pin frame 2210.

The distance of trapped orbit and movable rail support 12 can be adjusted in use according to the size of different breakers, so that Obtaining breaker can be resting solidly on hoistable platform 2；During regulation, pull handle 2214 need to only be pulled to the direction of fixed handle 2213 Shank 2211 can be pulled out from positioning hole 2201, while pulls movable rail to move to correct position, decontrol pull handle 2214, Shank 2211 can be reinserted under the drive of spring 2212 in corresponding positioning hole 2201；Pass through the setting of regulating part Regulation more fast and easy to platform size, while the steady pin 143 set is also possible to prevent the pull handle during regulation 2214 pull it is excessive bring it is inconvenient for use the problems such as；And the track of unilateral regulation sets the hoistable platform 2 after being easy to regulation With the matching of switch cubicle.

The elevating mechanism 3 includes motor 30, gearbox 31, lifting platform 32 and screw mandrel 33, the output shaft of motor 30 It is connected with the input shaft of gearbox 31, is fixed with screw mandrel 33 on the output shaft of gearbox 31, and the screw mandrel 33 Screw rod is perpendicular to the base 10；The lifting platform 32 includes the motion platform 320 parallel to the base 10, and the motion is flat Platform 320 is fixedly connected with the nut of the screw mandrel 33, and the motion platform 320 is rotatablely connected with the hoistable platform 2.

The lifting platform 32 also includes being fixed on the both ends of motion platform 320 and perpendicular to the pulley bracket 321 on ground, The pulley bracket 321 offers and the pulley with being provided with pulley 322 on the opposite face of support 12 on the support 12 322 pulley grooves 120 to match.

Screw mandrel 33 drives lifting platform 32 to move up and down, it is ensured that the stable movement of lifting platform 32, meanwhile, the cunning at the both ends of lifting platform 32 Pulley groove 120 on wheel 322 and support 12 coordinates, further stationarity during raising elevating movement and smooth degree.

The gearbox 31 includes casing 310 and the gearbox being installed in the casing 310 input worm screw module 311st, gearbox output worm gear module 312 and manual actuation module 313；The gearbox input worm screw module 311 includes snail Bar 3110 and gear shaft 3111, described one end of worm screw 3110 and the output axis connection of the motor 30, the other end and the gear One end of axle 3111 is fixedly connected, and the first conical gear 3112 is cased with the gear shaft 3111；

The gearbox output worm gear module 312 includes the worm gear 3120 and link 3121 being connected with each other, the worm gear 3120 and the worm screw 3110 engage, the bottom of link 3121 is fixed with the screw mandrel 33；

The manual actuation module 313 include drive shaft 3130, the first travelling gear 3131, the second travelling gear 3132 with And second conical gear 3133, return spring 3134 is cased with the drive shaft 3130, and first travelling gear 3131 is arranged In the drive shaft 3130, second travelling gear 3132 and second conical gear 3133 are coaxially fixed, and described Two travelling gears 3132 and first travelling gear 3131 engage, first conical gear 3112 and the second circular cone tooth The engagement of wheel 3133.

Coordinate the motion for realizing hoistable platform 2 using worm gear 3120 and worm screw 3110 in the utility model, not only structure Simply, movement velocity is stable, and solves and realize that the structure of elevating movement exists in 2 load-carrying of hoistable platform using chain etc. Under slip problem.

Also include protection mechanism 5, upper stop key 50 that the protection mechanism 5 includes being connected with the controlling organization 4, under stop Only key 51 and storage fool proof key 52, the upper stop key 50 is fixedly mounted on the bottom of crossbeam 13, the lower stop key 51 On the base 10, the upper stop key 50 and the lower stop key 51 include the touching of two installations that are parallel to each other Switch；The motion platform 320 is provided with the triggering key corresponding with the upper stop key 50 and the lower stop key 51；It is described Storage fool proof key 52 is fixed on the top of vehicle frame 11, and the guide rail 21 is provided with triggering key close to one end of the support 12.

When motion platform 320 moves upwards, when trigger member touches upper stop key 50, platform stop motion；Work as fortune When moving platform 320 moves downward, when trigger member touches lower stop key 51, platform stop motion；Prevent motion platform 320 from transporting The dynamic damage for excessively causing lifting service fork truck.

When hoistable platform 2 stores, guide rail 21 close to one end of support 12 triggering key when hoistable platform 2 moves Storage fool proof key 52 can be triggered, prevents maloperation during storage from causing to damage to lifting service fork truck.

The controlling organization 4 includes power supply (not shown), emergency stop switch 41, lifting button 42 and control circuit 43, described Power supply (not shown) is installed in the vehicle frame 11 and powered for the control circuit 43 and the motor 30；The emergency stop switch 41st, the lifting button 42, the upper stop key 50, the lower stop key 51 and the storage fool proof key 52 with the control The input of circuit 43 electrical connection processed；The output end of control circuit 43 electrically connects with the motor 30.

Converting mechanism 6 also is autotomyed including hand, the hand is autotomyed converting mechanism 6 and consolidated including switching switch 60, switching handle 61, switching handle Rationed marketing 62 and the manual rocker (not shown) to cooperate and rocking bar hole 64, the switching switch 60 and the control circuit 43 Electrical connection；Described switching handle 61 one end, which rotates, to be fixed on the vehicle body 1, is forced in the switching rotation process of handle 61 described Switching switch 60 opens or closes, and is consequently formed the adaptive switched key of hand；The side wall of rocking bar hole 64 is provided with a breach, the switching handle 61 other ends are inserted in the breach, thus cooperatively form switching fool proof button；The handle steady pin 62 that switches is by the switching handle 61 are fixed on the vehicle body 1.

When in the switching other end of handle 61 insertion breach, rocking bar hole 64 is blocked by handle, and lifting service fork truck is in starts building certainly Make state；When needing to switch to manual mode, the other end for switching handle 61 is lifted from breach, switches handle during lifting 61 touching switching switches 60, motor 30 powers off, and by manual rocker screw-in rocking bar hole 64 (not shown), during turn, drives Moving axis 3130 drives the motion of the second conical gear 3133 it is engaged with the first conical gear 3112, shakes manual rocker and (does not scheme Show) realize it is manually operated.

Manually and automatically two kinds of work that lifting service fork truck has by the gearbox 31 equipped with manual actuation module 313 Mode, it is ensured that lifting service fork truck can continue to work when powering off suddenly, avoid the progress of dallying over one's work, while hand automatic switching machine Structure takes the adaptive switched key of hand and the dual fool proof insurance of switching fool proof button, avoids occurring at work the mistake switching of mode of operation.

Workflow of the present utility model is as follows：

Folded bicycle leg 14 is deployed in receiving state and inserts steady pin 143；Deploy hoistable platform 2 and adjust to treating The width matching of the breaker of operation；Turn on the power (not shown), open emergency button, select automatic or manual pattern, such as select Select automatic mode and press lifting button 42, manual rocker (not shown) is shaken if selecting manual mode, can also first be used Manual mode fine setting is reused after automatic mode, adjusting the height of hoistable platform 2 and it is docked with switch cabinet to be broken The taking-up of road device or feeding.

Preferred embodiment of the present utility model has shown and described in described above, as previously described, it should be understood that this practicality is new Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups Conjunction, modification and environment, and above-mentioned teaching or the technology of association area can be passed through in utility model contemplated scope described herein Or knowledge is modified.And the change and change that those skilled in the art are carried out do not depart from spirit and scope of the present utility model, then All should be in the protection domain of the appended claims for the utility model.

Claims (10)

1. a kind of lifting service fork truck, including vehicle body, hoistable platform, elevating mechanism and controlling organization, the vehicle body includes bottom Seat and vehicle frame, the bottom of frame are provided with universal wheel, and the both sides of the base are respectively and fixedly provided with the vehicle frame, on the base vertically Two supports being parallel to each other are fixed with, two cradle tops are fixed with connecting cross beam；The elevating mechanism is arranged on two Between the individual support and on the crossbeam, the hoistable platform is connected with the elevating mechanism rotating shaft, by described Rotating shaft, the hoistable platform can be placed parallel or perpendicular to the base；The controlling organization is connected with the elevating mechanism, To control the elevating mechanism；It is characterized in that：The vehicle body also includes folded bicycle leg, and the folded bicycle leg is rotatably mounted On the vehicle frame, the described one end of folded bicycle leg away from the vehicle frame is provided with car leg wheel；

The folded bicycle leg includes rotating turret and rotatable leg, and the rotating turret includes jig arm and pivoted arm, one end of the pivoted arm with The vehicle frame rotation connection, the other end of the pivoted arm are fixedly connected in obtuse angle with one end of the jig arm；The rotatable leg and The jig arm rotation connection.

A kind of 2. lifting service fork truck as claimed in claim 1, it is characterised in that：The folded bicycle leg also includes steady pin, The steady pin is through the jig arm and inserts in the rotatable leg.

A kind of 3. lifting service fork truck as claimed in claim 1, it is characterised in that：The car leg wheel is to include at least one wheel The wheel group of son, the wheel group are rotatablely connected with the rotatable leg.

A kind of 4. lifting service fork truck as claimed in claim 1, it is characterised in that：The hoistable platform include pallet fork platform, Guide rail and guide rail regulating part, the pallet fork platform are a rectangular platform, and one end of the rectangular platform turns with the elevating mechanism Dynamic connection；The guide rail is arranged on the pallet fork platform, and the guide rail regulating part is arranged on the guide rail and the pallet fork is put down Between platform；

The guide rail includes fixed guide rail and movable guiding rail, the fixed guide rail and is fixedly mounted on the side of the pallet fork platform, The movable guiding rail is parallel to the fixed guide rail and can be moved closer or far from the fixed guide rail；

The guide rail regulating part includes adjustment bar and adjustment pin, and the adjustment bar is fixed on the pallet fork platform and perpendicular to institute Movable guiding rail is stated, multiple positioning holes are offered in the adjustment bar；

The adjustment pin is arranged on the movable guiding rail bottom, and the adjustment pin includes pin frame, shank, spring and fixed handle, institute The bottom that pin frame is fixed on the movable guiding rail is stated, the shank is installed in the pin frame and the pin frame, institute are stretched out in both ends State shank and be provided with pull handle, the spring is set on the shank and contact is distinguished in the pull handle and the pin frame in both ends On；The fixed handle is fixed on the bottom of the movable guiding rail and between the pull handle and the pin frame.

A kind of 5. lifting service fork truck as claimed in claim 4, it is characterised in that：The elevating mechanism includes motor, speed change Case, lifting platform and screw mandrel, the motor output shaft are connected with the transmission input shaft, on the output shaft of gear-box Screw mandrel is fixed with, and the screw rod of the screw mandrel is perpendicular to the base；The lifting platform includes the motion parallel to the base Platform, the motion platform are fixedly connected with the nut of the screw mandrel, and the motion platform is rotatablely connected with the hoistable platform.

A kind of 6. lifting service fork truck as claimed in claim 5, it is characterised in that：The lifting platform is also described including being fixed on Motion platform both ends and perpendicular to the pulley bracket on ground, the pulley bracket with being provided with pulley on the support opposite face, The pulley groove to match with the pulley is offered on the support.

A kind of 7. lifting service fork truck as claimed in claim 5, it is characterised in that：The gearbox includes casing and installing Gearbox input worm screw module, gearbox output worm gear module and manual actuation module in the casing；The speed change Case input worm screw module includes worm screw and gear shaft, described worm screw one end and the output axis connection of the motor, the other end and institute The one end for stating gear shaft is fixedly connected, and the first conical gear is cased with the gear shaft；

The gearbox output worm gear module includes the worm gear and link being connected with each other, the worm gear and the worm engaging, The link bottom is fixed with the screw mandrel；

The manual actuation module includes drive shaft, the first travelling gear, the second travelling gear and the second conical gear, described Return spring is cased with drive shaft, first travelling gear is set in the drive shaft, second travelling gear and institute State the second conical gear coaxially to fix, second travelling gear and first travelling gear engagement, the first circular cone tooth Wheel and second conical gear engagement.

A kind of 8. lifting service fork truck as described in claim 5 or 6, it is characterised in that：Also include protection mechanism, the protection Mechanism includes upper stop key, lower stop key and the storage fool proof key being connected with the controlling organization, and the upper stop key is fixed Installed in the crossbeam bottom, the lower stop key is arranged on the base, and the upper stop key and the lower stop key are equal Include the touching switch of two installations that are parallel to each other；The motion platform is provided with and the upper stop key and the lower stop key Corresponding triggering key；The storage fool proof key is fixed on the vehicle frame top, and the guide rail is set close to one end of the support There is triggering key.

A kind of 9. lifting service fork truck as claimed in claim 8, it is characterised in that：The controlling organization includes power supply, jerk Switch, lifting button and control circuit, the power supply are installed in the vehicle frame and supplied for the control circuit and the motor Electricity；The emergency stop switch, the lifting button, the upper stop key, the lower stop key and the storage fool proof key with The control circuit input electrical connection；The control circuit output end electrically connects with the motor.

A kind of 10. lifting service fork truck as claimed in claim 9, it is characterised in that：Also converting mechanism, the hand are autotomyed including hand Autotomying converting mechanism includes manual rocker and the rocking bar hole of switching switch, switching handle, switching handle steady pin and mutual cooperation, described Switching switch electrically connects with the control circuit；Described switching handle one end, which rotates, to be fixed on the vehicle body, in the switching handle Force the switching switch to open or close in rotation process, be consequently formed the adaptive switched key of hand；Rocking bar hole side wall is provided with one Breach, the switching handle other end are inserted in the breach, thus cooperatively form switching fool proof button；The switching handle steady pin will The switching handle is fixed on the vehicle body.