CN106185742B - A kind of operation maintenance system of lifting platform truck and rail transit rolling stock - Google Patents

A kind of operation maintenance system of lifting platform truck and rail transit rolling stock Download PDF

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Publication number
CN106185742B
CN106185742B CN201610757198.7A CN201610757198A CN106185742B CN 106185742 B CN106185742 B CN 106185742B CN 201610757198 A CN201610757198 A CN 201610757198A CN 106185742 B CN106185742 B CN 106185742B
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China
Prior art keywords
scissor arms
vehicle ontology
lifting platform
platform truck
elevating
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CN201610757198.7A
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CN106185742A (en
Inventor
杨学良
周浩
李增旺
卜运强
张念勇
张子宝
崔旭斌
刘洪生
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Beijing Xinliantie Group Ltd By Share Ltd
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Beijing Xinliantie Group Ltd By Share Ltd
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Priority to CN201610757198.7A priority Critical patent/CN106185742B/en
Publication of CN106185742A publication Critical patent/CN106185742A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations

Abstract

The present invention relates to the operation maintenance systems of a kind of lifting platform truck and rail transit rolling stock, a kind of lifting platform truck, including vehicle ontology, the first elevating mechanism, article carrying platform, the second elevating mechanism and pedal, first elevating mechanism and the second elevating mechanism are mounted on the top of vehicle ontology, article carrying platform is mounted on the top of the first elevating mechanism, and pedal is mounted on the top of the second elevating mechanism.When dismounting the equipment below train, equipment can be lifted by article carrying platform, reduce the labor intensity of staff;And in order to which to maintenance, there are enough operating spaces to facilitate various maintenance settings to run below train the higher of track setting;But operation, large labor intensity, the heavy load of neck are carried out in this way, being frequently necessary to staff and facing upward head;Operator station can work on pedal to avoid head is faced upward for a long time.

Description

A kind of operation maintenance system of lifting platform truck and rail transit rolling stock
Technical field
The present invention relates to railway engineering field of mechanical technique, in particular to a kind of lifting platform truck, lifting platform truck are specific For Inspection vehicle under a kind of man carrier of rail transit rolling stock;And a kind of operation maintenance system of rail transit locomotive System.
Background technique
In the prior art when dismounting the electric box on train, mainly manually.Since operating space is narrow, electric box compared with Weight is more inconvenient in carrying and installation;And pure manpower is realized, the labor intensity of construction personnel is increased, construction speed is slow Slowly, increase time cost.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of liters convenient for bearing article is run, be capable of below train Platform truck drops.
The technical scheme to solve the above technical problems is that a kind of lifting platform truck, including vehicle ontology, first liter Descending mechanism, article carrying platform, the second elevating mechanism and pedal, first elevating mechanism and second elevating mechanism are mounted on institute The top of vehicle ontology is stated, the article carrying platform is mounted on the top of first elevating mechanism, and the pedal is mounted on described The top of two elevating mechanisms.
The beneficial effects of the present invention are: equipment can be lifted by article carrying platform when dismounting the equipment below train, reduce The labor intensity of staff;And in order to which to maintenance, there are enough operating spaces to facilitate the higher of track setting various Maintenance setting is run below train;But in this way, be frequently necessary to staff face upward head carry out operation, large labor intensity, The heavy load of neck;Operator station can work on pedal to avoid head is faced upward for a long time.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the article carrying platform includes fixed frame and sliding platform, and the fixed frame is mounted on first lifting The top of mechanism, the sliding platform are slidably connected at the top of the fixed frame.
Beneficial effect using above-mentioned further scheme is, manual by staff merely when the equipment of dismounting is heavier The position for adjusting equipment is more difficult;After sliding platform, it can further be adjusted by adjusting the position of sliding platform The position of equipment, equipment easy to disassemble.
Further, multiple multi-directional balls are arranged in the top of the fixed frame, and the sliding platform is plate, the sliding platform It is placed in the multi-directional ball.
A kind of slip connection mode easily realized is to provide using the beneficial effect of above-mentioned further scheme, and is passed through It is laborsaving when position of this mode to adjust sliding platform, it does not need to spend biggish can be realized.
Further, limiting slot is provided on the fixed frame, the bottom of the sliding platform is provided with limited post, the limit Position column is inserted in the limiting slot.
Beneficial effect using above-mentioned further scheme is, due to realizing that being slidably connected at adjusting slides by setting multi-directional ball It is easier to when the position of moving platform, does not need to spend biggish can be realized;Therefore it is firmly excessive to be easy for appearance, sliding is flat Platform falls down from fixed frame, pounds people or causes the damage etc. of other equipment;Therefore, it is provided with limiting slot limited post, is limited Maximum slide displacement of the sliding platform on fixed frame, avoids sliding platform from falling down from fixed frame, improves the safety of device Property.
Further, first elevating mechanism includes multilayer scissor arms group and hydraulic cylinder, is in the multilayer scissor arms group The bottom end of the scissor arms group of middle bottom is connect with the top of the vehicle ontology, the scissor of top layer in the multilayer scissor arms group The top of arm group is connect with the bottom end of the article carrying platform;It is cut with one layer in the multilayer scissor arms group one end of the hydraulic cylinder Yoke group is hinged, and the other end of the hydraulic cylinder and another layer of scissor arms group in the multilayer scissor arms group are hinged.
It further, further include protection chain, every layer of scissor arms group respectively includes two scissors of hinge mounted together The both ends of arm, the protection chain are removably attachable to respectively in two scissor arms in one layer of scissor arms group.
It further, further include electrodynamic pump and foot pump, the electrodynamic pump and the foot pump are mounted on the vehicle ontology; The electrodynamic pump and the foot pump are connect with the hydraulic cylinder.
Beneficial effect using above-mentioned further scheme is to pass through the stretching, extension of three layers of scissor arms group of flexible driving of hydraulic cylinder When with folding, electrodynamic pump is used, for hydraulic oil, artificially to judge the height of article carrying platform and equipment thereon to hydraulic cylinder first, when When height has been approached predetermined position, electrodynamic pump is closed, by foot pump to hydraulic cylinder for hydraulic oil, height can be carried out at this time Fine tuning, avoid increasing it is too fast, cause equipment and other devices collision damage.
It further, further include bracket, the bracket is fixed on the top of the vehicle ontology, and the height of the bracket is greater than three The layer folded height of scissor arms.
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, avoids being pressed in for a long time in three layers of scissor arms group, improves three layers of scissor arms group Service life.
It further, further include spring, second elevating mechanism is one layer of scissor arms group;One end of the spring is close to institute It states the middle part setting of one layer of scissor arms group and is connect with the vehicle ontology, the other end of the spring and one layer of scissor arms Group is slidably connected at the connection of one end on the vehicle ontology.
Beneficial effect using above-mentioned further scheme is one layer of scissor arms group, one pulling force to be given by spring, by scissor The expansion of arm group, it is energy saving not by additional equipment and power.
Further, the pedal is two, and the two sides of the article carrying platform are arranged in two pedals;When described first Elevating mechanism is pressed respectively against two pedals on the side of the article carrying platform in the two sides of the article carrying platform when landing.
Beneficial effect using above-mentioned further scheme is, in order to energy saving, is only provided with one layer of scissor arms group exhibition The driving force opened, and the power for folding scissor arms group is not set;Pressed against when being moved downward here by article carrying platform pedal to Lower movement, and then realize the folding of scissor arms group.
It further, further include safety plug and the jack for grafting safety plug, the jack is arranged on the vehicle ontology And on the path of scissor arms sliding.
Beneficial effect using above-mentioned further scheme is ridden after increasing, in order to step on operator station to pedal Plate does not drop, and safety plug can be plugged in jack;The sliding of scissor arms is limited by safety plug;Pedal will not drop suddenly, The personal safety for guaranteeing operator, improves the safety of platform truck.
It further, further include guiding calibration plate, the bottom of the guiding calibration plate is provided with the card for grafting guide plate Slot, it is described guiding calibration plate at the top of be fixedly connected on the vehicle ontology bottom and close to the vehicle ontology front end and/or Rear end.
Beneficial effect using above-mentioned further scheme is, when platform truck to be placed in below train, in order to avoid platform Vehicle wanders off when moving, bumps against train, can be arranged a guide plate on the ground below train, make platform truck It is moved along guide plate;Train is on route guided by guide plate always at runtime by setting guiding calibration plate, Without departing from track;And guiding calibration plate is arranged in headstock and/or the tailstock, it is to guarantee placement platform for the first time for the ease of observation It can guarantee that guide plate is plugged in the groove on guiding calibration plate when vehicle.
It further, further include at least one set of guide wheel group, guide wheel group described in every group is by two guide wheel groups at described to lead The bottom of the vehicle ontology, the line of centres of two directive wheels in every group are connected to by the shaft being vertically arranged to wheel It is vertical with the moving direction of the vehicle ontology, the thickness of the distance between two described directive wheels in every group and the guide plate Adaptation.
Beneficial effect using above-mentioned further scheme is, since guiding calibration plate is relatively thin, and vehicle ontology and setting thereon Standby total weight is larger, may cause the deformation for being oriented to calibration plate in acting on for inertia, and then platform truck is caused to deviate guide plate Guided route;After being provided with guide wheel group, guide wheel group is clipped on guide plate;The intensity of guide wheel group, which is far longer than, to be led To calibration plate, and then guarantee that train is on route guided by guide plate always at runtime, without departing from track.
It further, further include headlamp and switch, the headlamp is mounted on the pedal, and the switch is mounted on institute It states on vehicle ontology and in the lower section of the pedal;The switch is electrically connected with the headlamp.
It further, further include handle, the top of one end of the handle and the vehicle ontology and close to the vehicle ontology One end is hinged.
Beneficial effect using above-mentioned further scheme is, can be by drawing handle come sliding platform.
It further, further include fixing seat and connector, the fixing seat is fixedly connected on the top of the vehicle ontology and leans on One end of the nearly vehicle ontology;The handle includes the first bar and the second bar, one end of first bar and second bar One end is hinged by first axle, and it is hinged that one end of the other end of second bar and the connector passes through the second axis, the company The other end of fitting is hinged by third shaft with the fixing seat;In the central axis of the first axle and the third axis Mandrel line is parallel, the central axis upright of the central axis of the first axle and second axis.
Beneficial effect using above-mentioned further scheme is when not in use, handle can be folded up, reduce it and account for Space is also avoided that and accidentally accidentally meets other people or objects, improves the safety of platform.
Further, the fixing seat is provided with the card slot being adapted to second bar, institute far from one end of the vehicle ontology Stating the second bar can be clamped in the card slot.
Beneficial effect using above-mentioned further scheme is after handle expansion, handle to be connected in card slot, can be kept away Exempt from the rotation of handle;When pushing and pulling platform truck by handle, force is not needed to overcome the rotation of handle, is used more It is laborsaving.
Further, further include multiple first buttons, remote controler and multiple second buttons, be provided on the vehicle ontology multiple First button is provided with multiple second buttons on the remote controler;Multiple first buttons and multiple described the The function of two buttons corresponds.
Beneficial effect using above-mentioned further scheme is that staff when operation, is bending over to control in narrow space It is more inconvenient when button on vehicle ontology processed;It is notified by remote controler just convenient more;And the button on vehicle ontology is as standby With can be controlled temporarily by it when remote controler is out of power, damage or when failure.
It further, further include multiple lifting lugs, multiple lifting lugs are uniformly arranged on vehicle ontology.
Technical problem to be solved by the invention is to provide a kind of the manned of rail transit locomotive with higher-security Inspection vehicle under vehicle.
Make the technical scheme to solve the above technical problems is that being checked under a kind of man carrier of rail transit locomotive Industry vehicle, Inspection vehicle is a kind of lifting platform truck as described in any of the above-described technical solution under the man carrier.
The beneficial effects of the invention are as follows identical as a kind of above-mentioned beneficial effect of lifting platform truck, details are not described herein.
Technical problem to be solved by the invention is to provide a kind of operations of rail transit locomotive with higher-security Maintenance system.
The technical scheme to solve the above technical problems is that a kind of operation maintenance system of rail transit locomotive, The operation maintenance system includes a kind of lifting platform truck as described in any of the above-described technical solution.
The beneficial effects of the invention are as follows identical as a kind of above-mentioned beneficial effect of lifting platform truck, details are not described herein.
Further, the operation maintenance system is the operation maintenance system of magnetic-levitation train.
Detailed description of the invention
Fig. 1 is the main view after a kind of lifting platform truck expansion of the present invention;
Fig. 2 is the side view after a kind of lifting platform truck expansion of the present invention;
Fig. 3 is the top view of the fixed frame in a kind of lifting platform truck of the present invention;
Fig. 4 is the main view of the sliding platform in a kind of lifting platform truck of the present invention;
Fig. 5 is the vehicle body construction schematic diagram in a kind of lifting platform truck of the present invention
Fig. 6 is the handle and connection relationship structural schematic diagram in a kind of lifting platform truck of the present invention;
Fig. 7 is the handle and connection relationship partial enlarged view in a kind of lifting platform truck of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, vehicle ontology, 2, pedal, 3, fixed frame, 4, sliding platform, 5, hydraulic cylinder, 6, multilayer scissor arms group, 7, protection chain, 8, lifting lug, 9, spring, 10, one layers of scissor arms group, 11, guiding calibration plate, 12, limited post, 13, limiting slot, 14, multi-directional ball, 15, Directive wheel, 16, bracket, 17, fixing seat, 18, connector, the 19, first bar, the 20, second bar, 21, first axle, the 22, second axis, 23, third turns.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
Embodiment one
As shown in Figures 1 to 5, a kind of lifting platform truck, including vehicle ontology 1, top and interposition horizontalization in vehicle ontology 1 At two multilayer scissor arms groups 6 of setting, a bottom end of the bottom scissor arms group in each multilayer scissor arms group 6 and vehicle ontology 1 Hingedly, another bottom end is slidably connected with vehicle ontology 1;Be provided with sliding slot on vehicle ontology 1, and bottom scissor arms group another Bottom end sliding is connected in this sliding slot.One top of the top layer scissor arms group in each multilayer scissor arms group 6 and fixed frame 3 Hingedly, another top is slidably connected with fixed frame 3;Be provided with sliding slot on fixed frame 3, and top layer scissor arms group another Top sliding is connected in this sliding slot.In the present embodiment, multilayer scissor arms group 6 selects three layers of scissor arms group.
Every layer of scissor arms group is all made of two scissor arms that two middle parts are hinged on one;The scissor arms of adjacent two layers It is also hinged.
One end of one hydraulic cylinder 5 and a scissor arms in bottom scissor arms group are hinged, the other end and top layer scissor arms A scissor arms in group are hinged;The flexible of hydraulic cylinder 5 can drive unfolding and folding for three layers of scissor arms group 6, and then be promoted solid Determine frame 3 or falls fixed frame 3.
In the present embodiment, fixed frame 3 is that the top view that is welded by angle steel, channel steel or square steel etc. is day word or says word Multiple multi-directional balls 14 are uniformly arranged at the top of fixed frame 3 in shape;As described in Figure 3, in three row of the top part of fixed frame 3, altogether Provided with 18 multi-directional balls 14.It is also rectangular by the welding such as angle steel, channel steel or square steel that two are also secured on fixed frame 3 Frame, for the displacement of limit slippage platform 4, the centre of rectangle frame is limiting 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 placing on fixed frame 3, two limited posts 12 are respectively placed in two rectangle frames just.Sliding platform 4 is in multi-directional ball 14 When sliding, engaging of the limited post 12 with limiting slot 13 can limit maximum displacement of the sliding platform 4 on four direction, avoid sliding Moving platform 4 is fallen from fixed frame 3.
Hydraulic cylinder 5 is connect with an electrodynamic pump and a foot pump simultaneously.It is supplied first using electrodynamic pump to hydraulic cylinder 5 hydraulic Oil artificially judges the height of fixed frame 3 and sliding platform 4 and equipment thereon, when highly having been approached predetermined position, closes electricity Dynamic pump can avoid increasing too fast, cause equipment to being highly finely adjusted at this time by foot pump to hydraulic cylinder 5 for hydraulic oil It is damaged with the collision of other devices.
After equipment when fixed frame 3 and sliding platform 4 and thereon arrived predetermined altitude, by the both ends of two protection chains 7 It is connect respectively with two scissor arms in one layer in three layers of scissor arms group 6, limits the folding of three layers of scissor arms group 6;? If will not exactly fall to make the equipment such as electric box be placed on sliding platform 45 detonation of rear hydraulic cylinder.When use finishes, When needing to fold three layers of scissor arms group 6, first protection chain 7 is removed.
In order to make to reduce the pressure to three layers of scissor arms group 6 after three layers of scissor arms group 6 fold, at the top of vehicle ontology 1 Bracket 16 is set, and bracket 16 is fixedly connected on the top of vehicle ontology 1, and it is folded that the height of bracket 16 is greater than three layers of scissor arms group 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.
A pedal 2 is respectively set on vehicle ontology 1 and in the two sides of fixed frame 3, each pedal 2 is by one What one layer of scissor arms group 10 was connect with vehicle ontology 1.One top of scissor arms group and the bottom of pedal 2 are hinged, another top It is connect with the basal sliding of pedal 2;The bottom of pedal 2 is provided with sliding slot, and the sliding of another top of scissor arms group is clamped In this sliding slot.One bottom end of scissor arms group and the top of vehicle ontology 1 are hinged, the top of another bottom end and vehicle ontology 1 It is slidably connected;The top of vehicle ontology 1 is provided with sliding slot, and the sliding of another bottom end of scissor arms group is connected to this sliding slot It is interior.
One end of spring 9 is close to the setting of the middle part of scissor arms group and connect with vehicle ontology 1 that (this connection is usually in vehicle One hook is set on ontology 1, and the end hook of spring 9 is on this hook), the other end of spring 9 is another with scissor arms group A bottom end connection, and make spring 9 always in tensional state;The elastic force of spring 9 pulls scissor arms group, forces scissor arms group exhibition It opens, is lifted pedal 2.
In order to make when operator stand pedal 2 on after, pedal 2 will not due to human body weight and move down, in vehicle ontology 1 Multiple jacks above and on the path of scissor arms group sliding are set at equal intervals, and safety plug is inserted into the jack of appropriate location It is interior, limit the folding of scissor arms group, that is, limitation pedal 2 moves down, it is ensured that operator station up after safety.
The top setting of each pedal 2 forms clamping groove between two clampings protrusions, safety plug is inserted there are two protrusion is clamped It connects in clamping groove, and is interference fitted with clamping groove, when not in use, safety plug is placed in clamping groove.
Due to the power that it is unfolded that the scissor arms group of 2 lower section of pedal only has spring 9 to give, scissor arms group can be made to fold Power and not set;Therefore when one layer of scissor arms group 10 is landed, so that the two sides of article carrying platform is pressed respectively against two pedals 2 and lean on On the side of nearly fixed frame 3 and sliding platform 4;In this way, can depress pedal 2 to come when three layers of scissor arms group 6 fold, it is real The folding of one layer of scissor arms group 10 of existing 2 lower section of pedal.
Since this platform truck is heavier, when being placed with designated position, lifting is generally required, therefore on vehicle ontology 1 Provided with multiple lifting lugs 8, in order to make the steady of in lifting vehicle ontology 1, four lifting lugs 8 are provided in the present embodiment, and respectively Close to four apex angles of vehicle ontology 1.
In order to avoid platform truck shifts in moving process, collision train etc., in scheduled platform truck motion track One guide plate of upper setting.In one end (selecting the tail end of vehicle ontology 1 in the present embodiment) of vehicle ontology 1 and the bottom of vehicle ontology 1 One piece of guiding calibration plate 11 is fixed, the bottom of guiding calibration plate 11 is provided with the card slot for grafting guide plate.It, will in lifting Card slot is stuck on guide plate.
And platform truck is in moving process, mainly ensures that it is moved along guide plate by 15 groups of directive wheel.In vehicle The bottom of ontology 1 is arranged two groups 15 groups of directive wheel, and every group 15 groups of directive wheel are made of two directive wheels 15, and directive wheel 15 passes through perpendicular The shaft being directly arranged is connected to the bottom of vehicle ontology 1, the movement of the line of centres and vehicle ontology 1 of two directive wheels 15 in every group 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.
Headlamp is additionally provided on pedal 2, and control headlamp opening and closing switch be arranged on vehicle ontology 1, And in the lower section of pedal 2.When pedal 2 lifts, switch is opened;When pedal 2 is fallen, switch is closed.
The starting of vehicle ontology 1 and movement speed, the unlatching of electrodynamic pump etc. are all the controllers by being electrically connected come Control.Under normal circumstances, can button box be set on vehicle ontology 1, and multiple control buttons is set in button box.In order to grasp The convenience of work is provided with a remote controler in the present embodiment, is provided on this remote controler and the push button function on vehicle ontology 1 One-to-one button.When operation, controlled by remote controler, it, can be by vehicle ontology 1 when remote controler is out of power or damage Button controls;Make the button on vehicle ontology 1 as spare.
The platform truck of above structure is all made of electronic and automatically controls, and when needing to use manually, is moved by manpower flat When trolley, vehicle ontology 1 can only be directly pushed and pulled by hand, be not very convenient to use in this way;Therefore, inventor has made following again It improves:
As shown in Figure 6 and Figure 7, it is also additionally arranged a handle, handle includes sequentially connected first bar 19 and the second bar 20.
Vehicle ontology 1 top and fix a fixing seat 17 close to one end (front end or tail end) of vehicle ontology 1, it is fixed The mode that seat 17 can be bolted or weld is fixed on vehicle ontology 1.One end of one connector 18 and fixing seat 17 is hinged, and when practical application, in fixing seat 17 and one end of connector 18 is provided with compatible axis hole, and third axis 23 is worn The axis hole crossed in the two is hinged by one end of connector 18 and fixing seat 17;The other end of one connector 18 and the second bar 20 Bottom end is hinged, when practical application, is provided with compatible axis hole in the other end of connector 18 and the bottom end of the second bar 20, and The axis hole that two axis 22 pass through in the two is hinged by the other end of connector 18 and the bottom end of the second bar 20;The top of second bar 20 with The bottom end of first bar 19 is hinged, when practical application, is provided with and is adapted on the top of the second bar 20 and the bottom end of the first bar 19 Axis hole, first axle 21 pass through the two on axis hole the top of the second bar 20 and the bottom end of the first bar 19 is hinged.
Wherein, the centerline axis parallel of the central axis of first axle 21 and third axis 23, the central axis of first axle 21 with The central axis upright of second axis 22.
After handle is unfolded, when pushing and pulling platform truck, the imperious rotation of handle, in fixing seat 17 far from vehicle ontology 1 One end be provided with the card slot being adapted to the second bar 20, the second bar 20 can be clamped in card slot.
Embodiment two
Inspection vehicle under a kind of man carrier of rail transit locomotive, Inspection vehicle is described in embodiment one under man carrier A kind of lifting platform truck.
Embodiment three
A kind of operation maintenance system of rail transit locomotive, operation maintenance system include a kind of lifting described in embodiment one Platform truck.Particularly relate to the operation maintenance system of magnetic-levitation train.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (21)

1. a kind of lifting platform truck, which is characterized in that including vehicle ontology (1), the first elevating mechanism, article carrying platform, the second lifting Mechanism and pedal (2), first elevating mechanism and second elevating mechanism are mounted on the top of the vehicle ontology (1), institute The top that article carrying platform is mounted on first elevating mechanism is stated, the pedal (2) is mounted on the top of second elevating mechanism Portion;The pedal (2) is two, and the two sides of the article carrying platform are arranged in two pedals (2);When first elevator Structure is pressed respectively against two pedals (2) on the side of the article carrying platform in the two sides of the article carrying platform when landing.
2. a kind of lifting platform truck according to claim 1, which is characterized in that the article carrying platform include fixed frame (3) and Sliding platform (4), the fixed frame (3) are mounted on the top of first elevating mechanism, and the sliding platform (4) is slidably connected At the top of the fixed frame (3).
3. a kind of lifting platform truck according to claim 2, which is characterized in that the top setting of the fixed frame (3) is multiple Multi-directional ball (14), the sliding platform (4) are plate, and the sliding platform (4) is placed on the multi-directional ball (14).
4. a kind of lifting platform truck according to claim 3, which is characterized in that be provided with limiting slot on the fixed frame (3) (13), the bottom of the sliding platform (4) is provided with limited post (12), and the limited post (12) is inserted in the limiting slot (13) It is interior.
5. a kind of lifting platform truck according to claim 1, which is characterized in that first elevating mechanism includes multilayer scissor Arm group (6) and hydraulic cylinder (5), the bottom end of the scissor arms group of bottom and the vehicle ontology (1) in the multilayer scissor arms group Top connection, the bottom end of the top of the scissor arms group of top layer and the article carrying platform connects in the multilayer scissor arms group It connects;One end of the hydraulic cylinder (5) and one layer of scissor arms group in the multilayer scissor arms group are hinged, the hydraulic cylinder (5) it is another One end and another layer of scissor arms group in the multilayer scissor arms group are hinged.
6. a kind of lifting platform truck according to claim 5, which is characterized in that further include protection chain (7), every layer of scissor Arm group respectively includes two scissor arms of hinge mounted together, and the both ends of protection chain (7) are removably attachable to respectively In two scissor arms in one layer of scissor arms group.
7. a kind of lifting platform truck according to claim 5, which is characterized in that further include electrodynamic pump and foot pump, the electricity Dynamic pump and the foot pump are mounted on the vehicle ontology (1);The electrodynamic pump and the foot pump with the hydraulic cylinder (5) Connection.
8. a kind of lifting platform truck according to claim 5, which is characterized in that it further include bracket (16), the bracket (16) It is fixed on the top of the vehicle ontology (1), the height of the bracket (16) is greater than three layers of folded height of scissor arms.
9. a kind of lifting platform truck according to claim 1, which is characterized in that further include spring (9), second elevator Structure is one layer of scissor arms group (10);One end of the spring (9) close to one layer of scissor arms group (10) middle part setting and with Vehicle ontology (1) connection, the other end of the spring (9) and one layer of scissor arms group (10) are slidably connected at the vehicle sheet One end connection on body (1).
10. a kind of lifting platform truck according to claim 9, which is characterized in that further include safety plug and insure for grafting The jack of pin, the jack are arranged on the vehicle ontology (1) and on the paths of scissor arms sliding.
11. a kind of lifting platform truck according to claim 1, which is characterized in that it further include guiding calibration plate (11), it is described to lead The bottom of calibration plate (11) is provided with the card slot for grafting guide plate, is fixedly connected at the top of the guiding calibration plate (11) Bottom in the vehicle ontology (1) and the front end and/or rear end close to the vehicle ontology (1).
12. a kind of lifting platform truck according to claim 11, which is characterized in that further include at least one set of directive wheel (15) Group, (15) group of directive wheel described in every group are made of two directive wheels (15), and the directive wheel (15) passes through the shaft being vertically arranged It is connected to the bottom of the vehicle ontology (1), the line of centres of two directive wheels (15) in every group and the vehicle ontology (1) Moving direction it is vertical, the distance between two described directive wheels (15) in every group are adapted to the thickness of the guide plate.
13. a kind of lifting platform truck according to claim 1, which is characterized in that further include headlamp and switch, the illumination Lamp is mounted on the pedal (2), and the switch is mounted on the vehicle ontology (1) and in the lower section of the pedal (2);Institute Switch is stated to be electrically connected with the headlamp.
14. a kind of lifting platform truck according to claim 1, which is characterized in that further include handle, one end of the handle with The top of the vehicle ontology (1) and close to the vehicle ontology (1) one end it is hinged.
15. 4 a kind of lifting platform truck according to claim 1, which is characterized in that further include fixing seat (17) and connector (18), the fixing seat (17) is fixedly connected on the top of the vehicle ontology (1) and one end close to the vehicle ontology (1);Institute Stating handle includes the first bar (19) and the second bar (20), and one end of first bar (19) and one end of second bar (20) are logical Cross first axle (21) hingedly, the other end of second bar (20) and the one end of the connector (18) are cut with scissors by the second axis (22) It connects, the other end of the connector (18) and the fixing seat (17) are hinged by third axis (23);The first axle (21) The centerline axis parallel of central axis and the third axis (23), the central axis and second axis of the first axle (21) (22) central axis upright.
16. a kind of lifting platform truck according to claim 15, which is characterized in that the fixing seat (17) is far from the vehicle sheet One end of body (1) is provided with the card slot being adapted to second bar (20), and second bar (20) can be clamped in the card slot.
17. according to claim 1 to a kind of any one of 13 lifting platform trucks, which is characterized in that further include multiple first by Button, remote controler and multiple second buttons are provided with multiple first buttons on the vehicle ontology (1), set on the remote controler It is equipped with multiple second buttons;The function of multiple first buttons and multiple second buttons corresponds.
18. according to claim 1 to a kind of any one of 13 lifting platform trucks, which is characterized in that further include multiple lifting lugs (8), multiple lifting lugs (8) are uniformly arranged on vehicle ontology (1).
19. Inspection vehicle under a kind of man carrier of rail transit rolling stock, which is characterized in that check and make under the man carrier Industry vehicle is a kind of lifting platform truck as described in claim 1 to 18 is any.
20. a kind of operation maintenance system of rail transit rolling stock, which is characterized in that the operation maintenance system includes as weighed Benefit requires a kind of 1 to 18 any lifting platform truck.
21. a kind of operation maintenance system of rail transit rolling stock according to claim 20, which is characterized in that the fortune Seek the operation maintenance system that maintenance system is magnetic-levitation train.
CN201610757198.7A 2016-08-29 2016-08-29 A kind of operation maintenance system of lifting platform truck and rail transit rolling stock Active CN106185742B (en)

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CN110862055B (en) * 2019-11-21 2021-04-23 徐州天睿地机械有限公司 Hydraulic lift convenient to accomodate and remove
CN111451979A (en) * 2020-04-09 2020-07-28 中国铁建重工集团股份有限公司 Disassembling and assembling equipment

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