CN205973691U - Inspection working car under hydraulic lifting platform vehicle and track traffic rolling stock's operation maintenance system and manned car - Google Patents

Abstract

The utility model relates to an inspection working car under hydraulic lifting platform vehicle and track traffic rolling stock's operation maintenance system and manned car, this hydraulic lifting platform vehicle, including the driving license body, an elevating system, cargo platform, the 2nd elevating system and footboard, an elevating system and the 2nd elevating system install at the top of the driving license body, and cargo platform installs at an elevating system's top, and the top at the 2nd elevating system is installed to the footboard. When the equipment of dismouting train below, accessible cargo platform lifts equipment, reduces staff's intensity of labour, and in order to leave sufficient operating space for the maintenance, with the track set up higher, convenient various maintenance settings are in train below operation, but setting up like this, often needing staff raising head to carry out the operation, intensity of labour is big, and the burden of neck is heavier, the staff stands on the footboard, can avoid long -time raising head work.

Description

The operation maintenance system of a kind of lifting platform truck and rail transit rolling stock and manned Inspection car under car

Technical field

This utility model is related to railway engineering field of mechanical technique, specifically refers to a kind of lifting platform truck, lifting platform truck It is specially Inspection car under a kind of man carrier of rail transit rolling stock；And a kind of operation maintenance of rail transit locomotive System.

Background technology

In prior art dismount train on electric box when, mainly manually.Because working place is narrow and small, electric box is relatively Weight, more inconvenient in carrying and installation；And pure manpower, to realize, increases the labor intensity of workmen, construction speed is delayed Slowly, increase time cost.

Utility model content

Technical problem to be solved in the utility model be provide one kind be easy to below train run, being capable of bearing article Lifting platform truck.

The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of lifting platform truck, including car body, One elevating mechanism, article carrying platform, the second elevating mechanism and pedal, described first elevating mechanism and described second elevating mechanism are installed At the top of described car body, described article carrying platform is arranged on the top of described first elevating mechanism, and described pedal is arranged on institute State the top of the second elevating mechanism.

The beneficial effects of the utility model are：When dismounting the equipment below train, equipment can be lifted by article carrying platform, Reduce the labor intensity of staff；And in order to leave enough working places to maintenance, by track arrange higher, convenient Various maintenance are arranged on and run below train；But it is set as it is often necessary to staff faces upward head carries out operation, labor intensity Greatly, the heavy load of neck；Staff stands on pedal, can avoid facing upward head work for a long time.

On the basis of technique scheme, this utility model can also do following improvement.

Further, described article carrying platform includes fixed mount and sliding platform, and described fixed mount is arranged on described first lifting The top of mechanism, described sliding platform is slidably connected at the top of described fixed mount.

Beneficial effect using above-mentioned further scheme is, when the equipment of dismounting is heavier, simple dependence staff is manual The position of adjusting device is more difficult；After being provided with sliding platform, further can be adjusted by adjusting the position of sliding platform The position of equipment, is easy to disassemblerassembler.

Further, the top of described fixed mount arranges multiple multi-directional ball, and described sliding platform is tabular, described sliding platform It is placed in described multi-directional ball.

A kind of mode that is slidably connected of easy realization is to provide using the beneficial effect of above-mentioned further scheme, and passes through This mode come to adjust sliding platform position when laborsaving it is not necessary to spend larger can achieve.

Further, described fixed mount is provided with stopper slot, the bottom of described sliding platform is provided with limited post, described limit Position post is inserted in described stopper slot.

Beneficial effect using above-mentioned further scheme is, due to realizing being slidably connected at regulation cunning by arranging multi-directional ball It is easier to during the position of moving platform it is not necessary to spend larger can achieve；Therefore it is easy for appearance firmly excessive, flat by sliding Platform falls down from fixed mount, pounds people or causes damage of other equipment etc.；Therefore, it is provided with stopper slot limited post, limit Maximum slide displacement on fixed mount for the sliding platform, it is to avoid sliding platform falls down from fixed mount, improves the safety of device Property.

Further, described first elevating mechanism includes multilamellar scissor arms group and hydraulic cylinder, is in described multilamellar scissor arms group The bottom of scissor arms group of middle bottom is connected with the top of described car body, is in the scissor of top layer in described multilamellar scissor arms group The top of arm group is connected with the bottom of described article carrying platform；Cut for one layer in one end of described hydraulic cylinder and described multilamellar scissor arms group Yoke group is hinged, and the other end of described hydraulic cylinder is hinged with another layer of scissor arms group in described multilamellar scissor arms group.

Further, also include protecting chain, every layer of described scissor arms group includes hinge mounted two scissors together respectively Arm, the two ends of described protection chain are removably attachable in two described scissor arms in one layer of described scissor arms group respectively.

Further, electrodynamic pump and foot pump are also included, described electrodynamic pump and described foot pump are arranged on described car body； Described electrodynamic pump and described foot pump are all connected with described hydraulic cylinder.

Beneficial effect using above-mentioned further scheme is, by the stretching, extension of three layers of scissor arms group of telescopic drive of hydraulic cylinder During with folding, supplying hydraulic oil first by electrodynamic pump to hydraulic cylinder, artificially judging article carrying platform and the height of equipment thereon, when Height close to precalculated position when, close electrodynamic pump, hydraulic oil is supplied to hydraulic cylinder by foot pump, now can to height carry out Fine setting, it is to avoid raise too fast, causes equipment to cause to damage with the collision of other devices.

Further, also include bracket, described bracket is fixed on the top of described car body, the height of described bracket is more than three Height after layer described scissor arms folding.

Beneficial effect using above-mentioned further scheme is, when the folding of three layers of scissor arms group, can make article carrying platform and The weight of equipment thereon is all applied to bracket, it is to avoid be pressed in for a long time in three layers of scissor arms group, improves three layers of scissor arms group Service life.

Further, also include spring, described second elevating mechanism is one layer of scissor arms group；One end of described spring is near institute State the middle part setting of one layer of scissor arms group and is connected with described car body, the other end of described spring and described one layer of scissor arms One end that group is slidably connected on described car body connects.

Beneficial effect using above-mentioned further scheme is to give one pulling force of one layer of scissor arms group by spring, by scissor Arm group is launched, not by extra equipment and power, energy saving.

Further, described pedal is two, and two described pedals are arranged on the both sides of described article carrying platform；When described first During elevating mechanism landing, the both sides of described article carrying platform are press respectively against two described pedals on the side of described article carrying platform.

Beneficial effect using above-mentioned further scheme is, for energy saving, is only provided with one layer of scissor arms group exhibition The driving force opened, and the power folding scissor arms group is not provided with；Press against when moving downward here by article carrying platform pedal to Lower motion, and then realize the folding of scissor arms group.

Further, safety plug and the jack for grafting safety plug are also included, described jack is arranged on described car body And on the path that scissor arms are slided.

Beneficial effect using above-mentioned further scheme is to ride after raising, in order to be that operator station steps on on pedal Plate does not drop, and safety plug can be plugged in jack；Limit the slip of scissor arms by safety plug；Pedal will not drop suddenly, Ensure the personal safety of operator, improve the safety of platform truck.

Further, also include guiding calibration plate, the bottom of described guiding calibration plate is provided with the card for grafting guide plate Groove, the top of described guiding calibration plate be fixedly connected on the bottom of described car body and the front end near described car body and/or Rear end.

Beneficial effect using above-mentioned further scheme is, when being placed in platform truck below train, in order to avoid platform Car wanders off when mobile, generation situations such as bump against train, can arrange a guide plate, make platform truck on the ground below train Move along guide plate；Train is made operationally to be in all the time on the route guided by guide plate by setting guiding calibration plate, Without departing from track；And be directed to calibration plate and be arranged on headstock and/or the tailstock, it is for the ease of observing it is ensured that placement platform first Can ensure during car that guide plate is plugged in the groove on guiding calibration plate.

Further, also include least one set directive wheel group, directive wheel group described in every group is made up of two directive wheels, described lead It is connected to the bottom of described car body, the line of centres of the described directive wheel of two in every group to wheel by the rotating shaft being vertically arranged Vertical with the moving direction of described car body, the thickness of the distance between two described directive wheels in every group and described guide plate Adaptation.

Beneficial effect using above-mentioned further scheme is, because guiding calibration plate is relatively thin, and car body and setting thereon Standby gross weight is larger, acts on, in inertia, the deformation that may lead to guide calibration plate, and then leads to platform truck to deviate guide plate Guided route；After being provided with directive wheel group, directive wheel group is clipped on guide plate；The intensity of directive wheel group is far longer than to be led To calibration plate, and then ensure that train is operationally on the route guided by guide plate, all the time without departing from track.

Further, illuminating lamp and switch are also included, described illuminating lamp is arranged on described pedal, and described switch is arranged on institute State on car body and the lower section in described pedal；Described switch is electrically connected with described illuminating lamp.

Further, also include handle, the top of one end of described handle and described car body and near described car body One end is hinged.

Beneficial effect using above-mentioned further scheme is, can be by drawing handle come sliding platform.

Further, fixed seat and connector are also included, described fixed seat is fixedly connected on the top of described car body and leans on One end of closely described car body；Described handle includes the first bar and the second bar, one end of described first bar and described second bar One end is hinged by first axle, and the other end of described second bar and one end of described connector are hinged by the second axle, described company It is hinged that the other end of fitting and described fixed seat pass through the 3rd axle；The central axis of described first axle and the center of described 3rd axle The central axis upright of diameter parallel, the central axis of described first axle and described second axle.

Beneficial effect using above-mentioned further scheme is when not in use, can to fold up handle, reduce it and account for Space, is also avoided that and meets other people or object by mistake by mistake, improve the safety of platform.

Further, described fixed seat is provided with the draw-in groove being adapted to described second bar, institute away from one end of described car body Stating the second bar can be in draw-in groove described in clamping.

Beneficial effect using above-mentioned further scheme is, after handle launches, handle to be connected in draw-in groove, can keep away Exempt from the rotation of handle；It is not necessary to force, to overcome the rotation of handle, uses more when by handle push-and-pull platform truck Laborsaving.

Further, also include multiple first buttons, remote control and multiple second button, described car body is provided with multiple Described first button, described remote control is provided with multiple described second buttons；Multiple described first buttons and multiple described the The function of two buttons corresponds.

Beneficial effect using above-mentioned further scheme is that staff during operation, is bending over to control in narrow space During button on car body processed, more inconvenient；Notified just easily many by remote control；And the button on car body is as standby With when remote control does not have electricity, damage or failure, controlling temporarily by it.

Further, multiple hangers are also included, multiple described hangers are uniformly arranged on car body.

Technical problem to be solved in the utility model is to provide a kind of rail transit locomotive with higher-security Inspection car under man carrier.

The technical scheme that this utility model solves above-mentioned technical problem is as follows：Examine under a kind of man carrier of rail transit locomotive Look into Operation Van, under described man carrier, Inspection car is a kind of lifting platform truck as described in any of the above-described technical scheme.

The beneficial effects of the utility model are identical with a kind of above-mentioned beneficial effect of lifting platform truck, and here is no longer superfluous State.

Technical problem to be solved in the utility model is to provide a kind of rail transit locomotive with higher-security Operation maintenance system.

The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of operation maintenance system of rail transit locomotive System, described operation maintenance system includes a kind of lifting platform truck as described in any of the above-described technical scheme.

The beneficial effects of the utility model are identical with a kind of above-mentioned beneficial effect of lifting platform truck, and here is no longer superfluous State.

Further, described operation maintenance system is the operation maintenance system of magnetic-levitation train.

Brief description

Fig. 1 is the front view after a kind of expansion of lifting platform truck of this utility model；

Fig. 2 is the side view after a kind of expansion of lifting platform truck of this utility model；

Fig. 3 is the top view of the fixed mount in a kind of lifting platform truck of this utility model；

Fig. 4 is the front view of the sliding platform in a kind of lifting platform truck of this utility model；

Fig. 5 is the car body construction schematic diagram in a kind of lifting platform truck of this utility model

Fig. 6 is handle and annexation structural representation in a kind of lifting platform truck of this utility model；

Fig. 7 is handle and annexation partial enlarged drawing in a kind of lifting platform truck of this utility model.

In accompanying drawing, the list of parts representated by each label is as follows：

1st, car body, 2, pedal, 3, fixed mount, 4, sliding platform, 5, hydraulic cylinder, 6, multilamellar scissor arms group, 7, protection chain, 8th, hanger, 9, spring, 10, one layer of scissor arms group, 11, guiding calibration plate, 12, limited post, 13, stopper slot, 14, multi-directional ball, 15, Directive wheel, 16, bracket, 17, fixed seat, 18, connector, the 19, first bar, the 20, second bar, 21, first axle, the 22, second axle, 23rd, the 3rd turn.

Specific embodiment

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality New, it is not intended to limit scope of the present utility model.

Embodiment one

As shown in Figures 1 to 5, a kind of lifting platform truck, including car body 1, at the top of car body 1 and interposition horizontalization Become two multilamellar scissor arms groups 6 of setting, a bottom of the bottom scissor arms group in each multilamellar scissor arms group 6 and car body 1 Hinged, another bottom is slidably connected with car body 1；Chute is provided with car body 1, and another of bottom scissor arms group Slide and be connected in this chute in bottom.One top of the top layer scissor arms group in each multilamellar scissor arms group 6 and fixed mount 3 Hinged, another top is slidably connected with fixed mount 3；Chute is provided with fixed mount 3, and another of top layer scissor arms group Slide and be connected in this chute in top.In the present embodiment, multilamellar scissor arms group 6 selects three layers of scissor arms group.

Every layer of scissor arms group is all made up of two scissor arms that two middle parts are hinged on；The scissor arms of adjacent two layers It is also hinged.

One end of one hydraulic cylinder 5 is hinged with scissor arms in bottom scissor arms group, the other end and top layer scissor arms Scissor arms in group are hinged；Flexible expansion and the folding that can drive three layers of scissor arms group 6 of hydraulic cylinder 5, and then lifted solid Determine frame 3 or fall fixed mount 3.

In the present embodiment, fixed mount 3 is that the top view being welded into by angle steel, channel-section steel or square steel etc. for day word or says word Shape, uniformly arranges multiple multi-directional ball 14 at the top of fixed mount 3；As described in Figure 3, three rows are divided at the top in fixed mount 3, and one It is provided with 18 multi-directional ball 14 altogether.Also securing two on fixed mount 3 is also to be welded into square by angle steel, channel-section steel or square steel etc. Shape frame, for the displacement of limit slippage platform 4, the centre of rectangle frame is stopper slot 13.

Sliding platform 4 is plate-like structure, fixes two limited posts 12 in the bottom of sliding platform 4；When by sliding platform 4 When in placement and fixed mount 3, two limited posts 12 are respectively placed in two rectangle inframes just.Sliding platform 4 is in multi-directional ball 14 During slip, limited post 12 engaging with stopper slot 13 can limit maximum displacement on four direction for the sliding platform 4, it is to avoid sliding Moving platform 4 drops from fixed mount 3.

Hydraulic cylinder 5 is connected with an electrodynamic pump and a foot pump simultaneously.Supply hydraulic pressure first by electrodynamic pump to hydraulic cylinder 5 Oil, artificially judges fixed mount 3 and the height of sliding platform 4 and equipment thereon, when height is close to precalculated position, closes electricity Dynamic pump, supplies hydraulic oil by foot pump to hydraulic cylinder 5, now height can be finely adjusted, it is to avoid raise too fast, cause equipment Cause to damage with the collision of other devices.

After fixed mount 3 and sliding platform 4 and equipment thereon reach predetermined altitude, by the two ends of two protection chains 7 It is connected with two scissor arms in a layer in three layers of scissor arms group 6 respectively, limit the folding of three layers of scissor arms group 6；? If exactly in order that the equipment such as electric box is placed on sliding platform 4 rear hydraulic cylinder 5 detonation, also will not fall.Finish when using, When needing to fold three layers of scissor arms group 6, first protection chain 7 is taken off.

In order that reducing the pressure to three layers of scissor arms group 6 after three layers of scissor arms group 6 fold, at the top of car body 1 Setting bracket 16, bracket 16 is fixedly connected on the top of car body 1, after the height of bracket 16 is more than three layers of scissor arms groups folding Highly；Make the weight being applied in three layers of scissor arms group 6 after three layers of scissor arms group 6 fold, weight is transferred on bracket 16.

It is respectively provided with a pedal 2 on car body 1 and in the both sides of fixed mount 3, each pedal 2 is by one One layer of scissor arms group 10 is connected with car body 1.One top of scissor arms group is hinged with the bottom of pedal 2, another top Basal sliding with pedal 2 is connected；The bottom of pedal 2 is provided with chute, and another top slip clamping of scissor arms group In this chute.One bottom of scissor arms group is hinged with the top of car body 1, the top of another bottom and car body 1 It is slidably connected；The top of car body 1 is provided with chute, and slides and be connected to this chute in another bottom of scissor arms group Interior.

One end of spring 9 is arranged near the middle part of scissor arms group and is connected with car body 1 that (this connects is usually in car One hook of setting on body 1, the end hook of spring 9 is on this hook), the other end of spring 9 is another with scissor arms group Individual bottom connects, and makes spring 9 be in extended state all the time；The elastic force of spring 9 pulls scissor arms group, forces scissor arms group exhibition Open, lifting pedal 2.

In order that after in standing to pedal 2, pedal 2 will not be moved down due to the weight of human body, in car body 1 Above and multiple jacks are set at equal intervals on the path that scissor arms group is slided, and safety plug are inserted the jack of appropriate location Interior, limit scissor arms group folding, that is, limit pedal 2 move down it is ensured that standing get on after safety.

The top of each pedal 2 is provided with two clamping projections, forms buckling groove, safety plug is inserted between two clamping projections Be connected in buckling groove, and with buckling groove interference fit, when not in use, safety plug is placed in buckling groove.

Make, due to what the scissor arms group only spring 9 of pedal 2 lower section gave, the power that it launches, scissor arms group can be made to fold Power and be not provided with；Therefore when one layer of scissor arms group 10 landing, make the both sides of article carrying platform be press respectively against two pedals 2 and lean on On the side of nearly fixed mount 3 and sliding platform 4；So, when three layers of scissor arms group 6 fold, pedal 2 can be depressed, real The folding of one layer of scissor arms group 10 of existing pedal 2 lower section.

Because this platform truck is heavier, when being placed with specified location, generally require lifting, therefore on car body 1 Be provided with multiple hangers 8, in order that in lifting car body 1 steady, be provided with four hangers 8 in the present embodiment, and respectively Four drift angles near car body 1.

In order to avoid platform truck shifts in moving process, collision train etc., in predetermined platform truck motion track Upper setting one guide plate.In one end tail end of car body 1 (in the present embodiment select) of car body 1 and the bottom of car body 1 Fix one piece of guiding calibration plate 11, the bottom of guiding calibration plate 11 is provided with the draw-in groove for grafting guide plate.In lifting, Draw-in groove is stuck on guide plate.

And platform truck is in moving process, mainly by directive wheel, 15 groups to guarantee that it moves along guide plate.In car The bottom of body 1 arranges 15 groups of two groups of directive wheels, and 15 groups of every group of directive wheel is made up of two directive wheels 15, and directive wheel 15 passes through perpendicular The rotating shaft of straight setting is connected to the bottom of car body 1, the line of centres of two in every group directive wheel 15 and the movement of car body 1 Direction is vertical, and the distance between two in every group directive wheel 15 is adapted to guide plate.Two directive wheels 15 in every group will Guide plate is clamped.

Illuminating lamp is additionally provided with pedal 2, and control the switch that illuminating lamp opens and closes to be arranged on car body 1, And the lower section in pedal 2.When pedal 2 lifts, switch is opened；When pedal 2 falls, switch cuts out.

The startup of car body 1 and translational speed, the unlatching of electrodynamic pump etc., be all by the controller being electrically connected Lai Control.Generally, meeting settings button box on car body 1, and multiple control knobs are set in button box.In order to grasp The convenience made, is provided with a remote control, is provided with and the push button function on car body 1 on this remote control in the present embodiment One-to-one button.During operation, controlled by remote control, when remote control does not have electricity or damages, can be by car body 1 Button is controlling；Make the button on car body 1 as standby.

The platform truck of said structure all using electronic and automatically control, when needing, using manually, to move flat by manpower During chassis, handss direct push-and-pull car body 1 can only be passed through, so be not very convenient to use；Therefore, utility model people makees again Following improvement：

As shown in Figure 6 and Figure 7, also it is additionally arranged a handle, handle includes the first bar 19 being sequentially connected and the second bar 20.

Fix a fixed seat 17 at the top of car body 1 and near one end (front end or tail end) of car body 1, fixing Seat 17 can be bolted or the mode welded is fixed on car body 1.One end of one connector 18 and fixed seat 17 is hinged, during practical application, is provided with, with one end of connector 18, the axis hole being adapted, the 3rd axle 23 is worn in fixed seat 17 The axis hole crossed on both will be hinged with fixed seat 17 for one end of connector 18；The other end of one connector 18 and the second bar 20 Bottom hinged, during practical application, be provided with, in the other end of connector 18 and the bottom of the second bar 20, the axis hole being adapted, Second axle 22 will be hinged with the bottom of the second bar 20 for the other end of connector 18 through the axis hole on both；The top of the second bar 20 Hinged with the bottom of the first bar 19, during practical application, it is provided with the bottom of the first bar 19 on the top of the second bar 20 and mutually fits The axis hole joined, first axle 21 will be hinged with the bottom of the first bar 19 for the top of the second bar 20 through the axis hole on both.

Wherein, the centerline axis parallel of the central axis of first axle 21 and the 3rd axle 23, the central axis of first axle 21 with The central axis upright of the second axle 22.

In order that after handle launches, during push-and-pull platform truck, the imperious rotation of handle, in fixed seat 17 away from car body 1 One end be provided with the draw-in groove being adapted to the second bar 20, the second bar 20 can be in clamping draw-in groove.

Embodiment two

Inspection car under a kind of man carrier of rail transit locomotive, under man carrier, Inspection car is described in embodiment one A kind of lifting platform truck.

Embodiment three

A kind of operation maintenance system of rail transit locomotive, operation maintenance system includes a kind of lifting described in embodiment one Platform truck.Particularly relate to the operation maintenance system of magnetic-levitation train.

In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings Or position relationship, be for only for ease of description this utility model and simplify description, rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relatively important Property or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Person implicitly includes at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be It is mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements, limit unless otherwise clear and definite.Common skill for this area For art personnel, concrete meaning in this utility model for the above-mentioned term can be understood as the case may be.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered Row combines and combines.

Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model Interior above-described embodiment can be changed, change, replacing and modification.

Claims (22)

1. a kind of lifting platform truck is it is characterised in that include car body (1), the first elevating mechanism, article carrying platform, the second lifting Mechanism and pedal (2), described first elevating mechanism and described second elevating mechanism are arranged on the top of described car body (1), institute State the top that article carrying platform is arranged on described first elevating mechanism, described pedal (2) is arranged on the top of described second elevating mechanism Portion.

2. according to claim 1 a kind of lifting platform truck it is characterised in that described article carrying platform include fixed mount (3) and Sliding platform (4), described fixed mount (3) is arranged on the top of described first elevating mechanism, and described sliding platform (4) is slidably connected Top in described fixed mount (3).

3. according to claim 2 a kind of lifting platform truck it is characterised in that described fixed mount (3) top setting multiple Multi-directional ball (14), described sliding platform (4) is tabular, and described sliding platform (4) is placed in described multi-directional ball (14).

4. according to claim 3 a kind of lifting platform truck it is characterised in that being provided with stopper slot on described fixed mount (3) (13), the bottom of described sliding platform (4) is provided with limited post (12), and described limited post (12) is inserted in described stopper slot (13) Interior.

5. according to claim 1 a kind of lifting platform truck it is characterised in that described first elevating mechanism includes multilamellar scissor Arm group (6) and hydraulic cylinder (5), are in the bottom of scissor arms group of bottom and described car body (1) in described multilamellar scissor arms group Top connect, be in the bottom on the top of scissor arms group of top layer and described article carrying platform in described multilamellar scissor arms group even Connect；One end of described hydraulic cylinder (5) is hinged with one layer of scissor arms group in described multilamellar scissor arms group, described hydraulic cylinder (5) another One end is hinged with another layer of scissor arms group in described multilamellar scissor arms group.

6. according to claim 5 a kind of lifting platform truck it is characterised in that also include protect chain (7), every layer of described scissor Arm group includes hinge mounted two scissor arms together respectively, and the two ends of described protection chain (7) are removably attachable to respectively In two described scissor arms in one layer of described scissor arms group.

7. according to claim 5 a kind of lifting platform truck it is characterised in that also including electrodynamic pump and foot pump, described electricity Dynamic pump and described foot pump are arranged on described car body (1)；Described electrodynamic pump and described foot pump all with described hydraulic cylinder (5) Connect.

8. according to claim 5 a kind of lifting platform truck it is characterised in that also including bracket (16), described bracket (16) It is fixed on the top of described car body (1), the height of described bracket (16) is more than the height after three layers of described scissor arms fold.

9. according to claim 1 a kind of lifting platform truck it is characterised in that also including spring (9), described second elevator Structure is one layer of scissor arms group (10)；One end of described spring (9) near the middle part of described one layer of scissor arms group (10) arrange and with Described car body (1) connects, and the other end of described spring (9) and described one layer of scissor arms group (10) are slidably connected at described car originally One end on body (1) connects.

10. according to claim 9 a kind of lifting platform truck it is characterised in that described pedal (2) be two, described in two Pedal (2) is arranged on the both sides of described article carrying platform；When described first elevating mechanism landing, the both sides of described article carrying platform are divided It is not pressed in two described pedals (2) on the side of described article carrying platform.

11. according to claim 9 a kind of lifting platform truck it is characterised in that also include safety plug and for grafting insurance The jack of pin, described jack is arranged on described car body (1) above and on the path that scissor arms are slided.

12. according to claim 1 a kind of lifting platform truck it is characterised in that also including guiding calibration plate (11), described lead The bottom of calibration plate (11) is provided with the draw-in groove for grafting guide plate, the top of described guiding calibration plate (11) is fixedly connected In the bottom of described car body (1) and near the front end of described car body (1) and/or rear end.

13. according to claim 1 a kind of lifting platform truck it is characterised in that also including least one set directive wheel (15) group, Directive wheel (15) group described in every group is made up of two directive wheels (15), and the rotating shaft that described directive wheel (15) passes through to be vertically arranged connects In the bottom of described car body (1), the shifting of the line of centres of the described directive wheel of two in every group (15) and described car body (1) Dynamic direction is vertical, and the distance between the described directive wheel of two in every group (15) are adapted to the thickness of described guide plate.

14. according to claim 1 a kind of lifting platform truck it is characterised in that also including illuminating lamp and switch, described illumination Lamp is arranged on described pedal (2), and described switch is arranged on described car body (1) and the lower section in described pedal (2)；Institute State switch to electrically connect with described illuminating lamp.

15. according to claim 1 a kind of lifting platform truck it is characterised in that also including handle, one end of described handle with One end of the top of described car body (1) and close described car body (1) is hinged.

16. according to claim 15 a kind of lifting platform truck it is characterised in that also including fixed seat (17) and connector (18), described fixed seat (17) is fixedly connected on top and one end near described car body (1) of described car body (1)；Institute State handle and include the first bar (19) and the second bar (20), one end of described first bar (19) is led to one end of described second bar (20) Cross that first axle (21) is hinged, one end of the other end of described second bar (20) and described connector (18) is passed through the second axle (22) and cut with scissors Connect, it is hinged that the other end of described connector (18) and described fixed seat (17) pass through the 3rd axle (23)；Described first axle (21) Central axis and the centerline axis parallel of described 3rd axle (23), the central axis of described first axle (21) and described second axle (22) central axis upright.

17. according to claim 16 a kind of lifting platform truck it is characterised in that described fixed seat (17) away from described car this One end of body (1) is provided with the draw-in groove being adapted to described second bar (20), and described second bar (20) can be in draw-in groove described in clamping.

18. according to any one of claim 1 to 14 a kind of lifting platform truck it is characterised in that also include multiple first by Button, remote control and multiple second button, described car body (1) are provided with multiple described first buttons, described remote control set It is equipped with multiple described second buttons；Multiple described first buttons are corresponded with the function of multiple described second buttons.

19. according to any one of claim 1 to 14 a kind of lifting platform truck it is characterised in that also including multiple hangers (8), multiple described hangers (8) are uniformly arranged on car body (1).

Inspection car under a kind of 20. man carriers of rail transit rolling stock is made it is characterised in that checking under described man carrier Industry car is described a kind of lifting platform truck as arbitrary in claim 1 to 19.

A kind of 21. operation maintenance systems of rail transit rolling stock are it is characterised in that described operation maintenance system is included as power Profit requires a kind of 1 to 19 arbitrary described lifting platform truck.

22. according to claim 21 a kind of operation maintenance system of rail transit rolling stock it is characterised in that described fortune Battalion's maintenance system is the operation maintenance system of magnetic-levitation train.