CN206287891U - The actuating unit of the mobile carriage body of vehicle - Google Patents

Abstract

A kind of actuating unit of the mobile carriage body of vehicle,Vehicle includes chassis,Platform floor,Fixed compartment and mobile carriage body,Chassis includes a left side,Right crossbeam,The actuating unit of mobile carriage body includes motor,Gear-box,Reduction box,First and second gear shafts,Motor coordinates with gear-box,Gear-box is connected with reduction box,Reduction box is fixed on support,A left side for reduction gearbox output shaft,Right-hand member is stretched over outside casing,The left end of first gear axle has left gear,Middle part is supported on first gear bearing housing,Right-hand member is connected with the left end of reduction gearbox output shaft,The left end of second gear axle is connected with the right-hand member of reduction gearbox output shaft,Middle part is supported on second gear bearing housing,Right-hand member has right gear,There is manually operated handwheel on gear-box,Support is fixed on the side of right crossbeam,First,Side of the second gear bearing housing with carriage body base plate under is fixed.Structure is terse, transmission efficiency, is easily installed on vehicle；Ensure movement；Robust motion is good.

Description

The actuating unit of the mobile carriage body of vehicle

Technical field

The utility model belongs to technical field of transport facilities, and in particular to a kind of power of the mobile carriage body of vehicle is passed Dynamic device.

Background technology

Above mentioned vehicle refers mainly to van-type vehicle（Also known as van）, it is mainly used in hermetically sealed all kinds of things of transport Money, with maneuverability, easy to operate, work efficiency is high, freight volume is big, goods and materials will not scatter and disappear in transit, goods and materials exempt from drench with rain, Protective is excellent and space utilization is good and the strong point such as safely.But there is known shortcoming in van-type vehicle, specifically：By body Product be relatively necessarily large and bulky goods entrucking when, entrucking efficiency can not reach the requirement of industry, same example of unloading, the problem for Only rear portion enabling be back pullout (BPO) van-type vehicle it is especially prominent.Whole carriage body is resolved into two parts, one is in vehicle The anterior fixed carriage body in chassis, two is the mobile carriage body positioned at vehicle chassis rear portion, then the entrucking of goods and unload efficiency without Doubt and significantly improved.

The technical information of the mobile carriage body on vehicle can be seen in disclosed Chinese patent literature, it is typical as authorized " Telescopic carriage " that notification number CN201231798Y recommends, it is that trunk is designed as into Collapsible structure, when vehicle is unloaded, The major part of trunk is retracted in front compartment, on the contrary same example.

More typical " a kind of Telescopic movable vehicle-mounted carriage body " provided such as CN20447264U, by fixed nacelle and work Dynamic nacelle composition, activity nacelle is fixed in sealed cabin body by the U-shaped slideway intersection being fixed on fixed nacelle base plate, Nacelle transmission device is set in sealed cabin external body, the nacelle transmission device is bolted and is installed on sealed cabin external body； Be hinged with a tailgate in the afterbody of nacelle base plate, the tailgate is driven by the telescoping mechanism that is fixed on nacelle base plate, i.e., by The automatic telescopic hydraulic cylinder of telescoping mechanism make tailgate tile as requested expansion or pack up and activity nacelle be embedded in after packing up Afterbody to the open closing of the afterbody of activity nacelle（For details, reference can be made to the 0020th to 27 section of the patent specification）.Patent visitor It can be cashed in sight in the technique effect described in the 0015th to 0017 section of specification.

By to being not limited to the reading of patent document exemplified above and combining common knowledge, as mobile railway carriage or compartment Body, it is critical only that the structure and its annexation with mobile carriage body of actuating unit itself, with regard to actuating unit itself Structure for, terse and transmission efficiency should be considered, take into account again on vehicle install convenience, more to consider once making Remain to make its work, etc. to remedy mode for the motor of power breaks down.With regard to actuating unit and the company of mobile carriage body Connect for relation, must ensure that the stationarity of mobile carriage body motion for example avoids the occurrence of pause and transition in rhythm or melody sense.But disclosing so far China and foreign countries' patent document in be showed no all vehicles for being able to take into account comprehensively preceding factors mobile carriage body actuating unit Technical information, technical scheme described below is produced under this background.

The content of the invention

Task of the present utility model is that offer is a kind of to be helped to embody the terse property of structure, is conducive to embodying preferably biography Efficiency of movement, it is beneficial to conveniently to be attached on vehicle, has and be easy to still be can be used when motor breaks down and it is advantageously ensured that mobile The actuating unit of the mobile carriage body of the vehicle of the mobile stationarity of carriage body.

What task of the present utility model was performed by, a kind of actuating unit of the mobile carriage body of vehicle is described Vehicle include chassis, platform floor, fixed carriage body and mobile carriage body, chassis is included in parallel one left big of length direction Beam and right crossbeam, a left bottom girder is fixed with the top of the length direction of left crossbeam, and the top of the length direction in right crossbeam Be fixed with a right bottom girder, platform floor is fixed on platform floor bearing support, and the platform floor bearing support simultaneously with left bottom girder And right bottom girder is fixed, fixed carriage body is fixed on platform floor, and the left carriage wall of mobile carriage body and the bottom of right carriage wall respectively support Supported on guiding mechanism in a movement carriage body and constitute rolling pair with mobile carriage body supporting guiding mechanism, and mobile carriage body is supported Guiding mechanism is fixed with platform floor bearing support, and the actuating unit of the mobile carriage body includes motor, gear-box, deceleration Case, first gear axle and second gear axle, motor coordinate with gearbox drive and are fixed on support together with motor by gear-box On, gear-box and reduction box are connected, and the reduction box is equally fixed on support, and the reduction box reduction gearbox output shaft Left end and right-hand member be stretched over outside casing, the left end of first gear axle is fixed with a left gear, the left gear with correspond to institute The described mobile carriage body supporting guiding mechanism transmission for stating the bottom of the left carriage wall of mobile carriage body coordinates, and middle part is rotatably supported at the On one gear bearing housing, and the right-hand member of first gear axle is connected with the left end of the reduction gearbox output shaft of reduction box, and second The left end of gear shaft is connected with the right-hand member of the reduction gearbox output shaft of reduction box, and middle part is rotatably supported at second gear axle axle In bearing, the right-hand member of second gear axle is fixed with a right gear, the right gear and the right carriage wall for corresponding to the mobile carriage body The carriage body supporting guiding mechanism transmission of bottom coordinates, and manual manipulator's wheel, institute are also equipped on described gear-box The support stated is fixed on the right crossbeam back to the side of the left crossbeam and also is fixed simultaneously with the right bottom girder, and described The side of one gear bearing housing and second gear bearing housing with the carriage body base plate under is fixed.

In a specific embodiment of the present utility model, described platform floor bearing support includes that what is be spaced apart indulges Beam and crossbeam, longitudinal and transverse beam form the relation of groined type each other, and longeron is fixed with crossbeam, and crossbeam simultaneously with the left bottom girder with And right bottom girder is fixed；The mobile carriage body supporting guiding mechanism includes interior backbar, external support beam, roller nose girder, mobile carriage body Turning rolls and tooth bar, interior backbar and external support beam are parallel in length direction and interior backbar is consolidated with the end of crossbeam It is fixed, and be fixedly connected by backbar fixing pipe between inside and outside backbar, roller nose girder is fixed between inside and outside backbar, at this The top of the length direction of roller nose girder offers a turning rolls resigning chamber, in the correspondence at the middle part of the length direction of roller nose girder Both sides are respectively formed with a roller raceway, and are formed with a rach slot in the bottom of length direction, and mobile carriage body turning rolls is fixed on The bottom of the length direction of the side wall of the mobile carriage body, the movement carriage body turning rolls corresponds to described turning rolls resigning chamber, And each pivot with space state is provided with roller in the left side and right side of the movement carriage body turning rolls, the roller and described rolling Wheel raceway constitutes rolling pair, and tooth bar corresponds to rach slot, and the length of the tooth bar is identical with the length of mobile carriage body turning rolls, and The bottom of mobile carriage body turning rolls, described left gear and the corresponding left side for being to move carriage body are fixed on by tooth bar fixing screws The rack-driving of the mobile carriage body supporting guiding mechanism of the bottom of carriage wall coordinates, described right gear with correspond to mobile carriage body The rack-driving of the mobile carriage body supporting guiding mechanism of the bottom of right carriage wall coordinates.

In another specific embodiment of the present utility model, described motor is the motor with positive and negative rotating function, Described gear-box is umbrella gear box, and described manually operated handwheel is fixed with the gear shaft being stretched over outside the casing of gear-box.

In another specific embodiment of the present utility model, the right-hand member of the first gear axle respectively has by two ends First universal drive shaft of one first universal joint is connected with the left end of the reduction gearbox output shaft of the reduction box, and described second The left end of gear shaft respectively has the second universal drive shaft of one second universal joint by two ends with the reduction gearbox output shaft of reduction box Right-hand member drive connection.

In another specific embodiment of the present utility model, described reduction box is worm reduction box, described Reduction gearbox output shaft be worm-wheel shaft.

It is of the present utility model also have a specific embodiment in, the roller nose girder length direction bottom simultaneously And one group of left reinforcement triangle gusset is fixed with space state towards the side of the interior backbar, the group is left to strengthen triangle gusset Simultaneously fixed with interior backbar, and the bottom of the length direction of roller nose girder and towards the side of the external support beam with One group of right reinforcement triangle gusset is fixed with every state, the right triangle gusset of strengthening of the group is fixed with external support beam simultaneously, described branch Bolster fixing pipe is fixedly connected between inside and outside backbar in the position of the bottom corresponding to roller nose girder.

Of the present utility model more and in a specific embodiment, on described interior backbar and corresponding to The position of the right-hand member of two gear shafts offers a gear shaft resigning hole, on described external support beam and corresponding to gear shaft The position of resigning hole offer a right gear it is spacing pad fixing screws operation resigning hole, the bottom of the roller nose girder and Position corresponding to the right gear offers a right gear resigning chamber, and the right-hand member of the second gear axle is stepped down through gear shaft Hole is stretched over the lower section corresponding to right gear resigning chamber, and described right gear is fixed in the position corresponding to right gear resigning chamber The right-hand member of second gear axle.

In an of the present utility model and then specific embodiment, described interior backbar and the cross section of external support beam Shape is in Contraband font；The shape of cross section of described roller nose girder is in inverted convex shape.

It is pipe or rectangle in backbar fixing pipe of the present utility model and more and in a specific embodiment, described Pipe.

It is of the present utility model and and then a specific embodiment in, described first gear bearing housing passes through first Screw is fixed with first bearing seat fixed seat, and side of the first bearing seat fixed seat with the carriage body base plate under is solid Fixed, described second gear bearing housing is fixed by the second screw with second bearing seat fixed seat, and the second bearing seat is solid Side of the reservation equally with carriage body base plate under is fixed.

One of technique effect of technical scheme that the utility model is provided, due to by motor driven gear case, by gear-box Drive reduction box, by reduction box simultaneously drive first, second gear shaft, so as to by first gear axle left end left gear and The right gear of the right-hand member of second gear axle drives mobile carriage body to support the tooth bar of guiding mechanism, makes to move carriage body turning rolls by rolling Wheel is rolled on roller nose girder, realizes the movement of mobile carriage body, thus not only structure is terse, transmission efficiency, and can be convenient It is installed on vehicle；Two, due to being equipped with manually operated handwheel on gear-box, even if thus also can be true in electrical fault Protect the movement of mobile carriage body；Three, the mobile carriage body turning rolls of the bottom of the left and right carriage wall due to being fixed on mobile carriage body passes through Roller constitutes rolling pair with roller raceway, thus with good robust motion.

Brief description of the drawings

Fig. 1 is embodiment schematic diagram of the present utility model.

Fig. 2 is the mobile schematic diagram of the mobile carriage body shown in Fig. 1.

Fig. 3 is the inside and outside nose girder and the detailed structure view of roller nose girder shown in Fig. 1 and Fig. 2.

Specific embodiment

In order to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant is below with reality The mode for applying example elaborates, but is not the limitation to the utility model scheme, any foundation to the description of embodiment The done only formal rather than substantial equivalent transformation of the utility model design is regarded as of the present utility model Technical scheme category.

In the following description it is every be related to upper and lower, left and right, the directionality of front and rear or directionality concept be all On the basis of the location of Fig. 1 state, thus the spy of technical scheme provided the utility model can not be understood as Do not limit.

Fig. 1 is referred to, chassis 1, platform floor 2, fixed carriage body 3 and the mobile carriage body 4 of the structural system of vehicle is shown, Chassis 1 is included in the parallel left crossbeam 11 and right crossbeam 12 of length direction, is connected by crossbeam between left and right crossbeam 11,12 Knot crossbeam 13 is connected, and a left bottom girder 111 is fixed with the top of the length direction of left crossbeam 11, and in the length side of right crossbeam 12 To top be fixed with a right bottom girder 121, platform floor 2 is fixed on platform floor bearing support 21, and the platform floor support Frame 21 is fixed with left bottom girder 111 and right bottom girder 121 simultaneously, and fixation carriage body 3 moves the left carriage wall of carriage body 4 on platform floor 2 Respectively it is supported on movement carriage body supporting guiding mechanism 5 with the bottom of right carriage wall and supports the structure of guiding mechanism 5 with mobile carriage body Into rolling pair, and mobile carriage body supporting guiding mechanism 5 is fixed with platform floor bearing support 21.It can thus be appreciated that：Mobile carriage body supporting Guiding mechanism 5 certainly has a pair, and the left and right end with platform floor 21 is fixed respectively.

Refer to Fig. 2 and Fig. 3 and combine Fig. 1, the technical essential of the technical scheme provided as the utility model；There is provided Mobile carriage body actuating unit include motor 20, gear-box 6, reduction box 7, first gear axle 8 and second gear axle 9, Motor 20 and gear-box 6 are driven and coordinate and be fixed on support 61 together with motor 20 by gear-box 6, gear-box 6 and reduction box 7 Drive connection, the reduction box 7 is equally fixed on support 61, and the reduction gearbox output shaft 71 of the reduction box 7 left end and the right side End be stretched over outside casing, the left end of first gear axle 8 is fixed with a left gear, the left gear 7 with correspond to foregoing mobile railway carriage or compartment The foregoing mobile carriage body supporting transmission of guiding mechanism 5 of the bottom of the left carriage wall of body 4 coordinates, and middle part is rotatably supported at first gear On bearing housing 81, and the right-hand member of first gear axle 8 is connected with the left end of the reduction gearbox output shaft 71 of reduction box 7, and second The left end of gear shaft 9 is connected with the right-hand member of the reduction gearbox output shaft 71 of reduction box 7, and middle part is rotatably supported at second gear On bearing housing 91, the right-hand member of second gear axle 9 is fixed with a right gear 92, the right gear 92 with correspond to foregoing mobile carriage body The foregoing carriage body supporting transmission of guiding mechanism 5 of the bottom of 4 right carriage wall coordinates, and is also equipped with foregoing gear-box 6 on the other hand Dynamic operation handwheel 62, foregoing support 61 be fixed on foregoing right crossbeam 12 back to the side of foregoing left crossbeam 11 and also simultaneously with Foregoing right bottom girder 121 is fixed, foregoing first gear bearing housing 81 and second gear bearing housing 91 and foregoing carriage body base plate 2 Side under is fixed.

Foregoing platform floor bearing support 21 includes the longeron 211 and crossbeam 212 that are spaced apart, longitudinal and transverse beam 211,212 that This forms the relation of groined type, and longeron 211 fixes with crossbeam 212, and crossbeam 212 and meanwhile with foregoing left bottom girder 111 and the right side Bottom girder 121 is fixed.Due to the mobile carriage body supporting guiding mechanism 5 of the bottom of the left carriage wall corresponding to mobile carriage body 4 be with it is corresponding Mobile carriage body supporting guiding mechanism 5 in the bottom of the right carriage wall of mobile carriage body 4 is identical, thus applicant is following Description is directed to for the mobile carriage body of the bottom of right carriage wall supporting guiding mechanism 5, and movement carriage body supporting guiding mechanism 5 is wrapped Include interior backbar 51, external support beam 52, roller nose girder 53, mobile carriage body turning rolls 54 and tooth bar 55, interior backbar 51 and outer Backbar 52 is parallel in length direction and interior backbar 51 is fixed with the right part of crossbeam 212, and inside and outside backbar 51st, it is fixedly connected by backbar fixing pipe 10 between 52, roller nose girder 53 is fixed between inside and outside backbar 51,52, in the rolling The top for taking turns the length direction of nose girder 53 offers a turning rolls resigning chamber 531, at the middle part of the length direction of roller nose girder 53 Corresponding both sides be respectively formed with a roller raceway 532, and be formed with a rach slot 533, mobile carriage body in the bottom of length direction Turning rolls 54 is fixed on the bottom of the length direction of the side wall of foregoing mobile carriage body 4, and the movement carriage body turning rolls 54 corresponds to preceding The turning rolls resigning chamber 531 stated, and it is each with space state pivot setting in the left side and right side of the movement carriage body turning rolls 54 There is roller 541, the roller 541 constitutes rolling pair with foregoing roller raceway 532, tooth bar 55 corresponds to rach slot 533, the tooth bar 55 length is identical with the length of mobile carriage body turning rolls 54, and is fixed on mobile carriage body rolling by tooth bar fixing screws 551 The bottom of wheel carrier 54, foregoing left gear is supported with the mobile carriage body of the corresponding bottom for being the left carriage wall for moving carriage body 4 and is oriented to The transmission cooperation of tooth bar 55 of mechanism 5, foregoing right gear 92 and the mobile carriage body of the bottom of the right carriage wall for corresponding to mobile carriage body 4 The transmission of tooth bar 55 for supporting guiding mechanism 5 coordinates.

In the present embodiment, foregoing motor 20 is the motor with positive and negative rotating function, and foregoing gear-box 6 is bevel gear Case, foregoing manually operated handwheel 62 is fixed with the gear shaft being stretched over outside the casing of gear-box 6.

As shown in Figure 1, the right-hand member of foregoing first gear axle 8 respectively has the 10000th of one first universal joint 821 by two ends It is connected with the left end of the reduction gearbox output shaft 71 of foregoing reduction box 7 to power transmission shaft 82, the left end of foregoing second gear axle 9 leads to Cross the right-hand member of two ends the second universal drive shaft 93 respectively with one second universal joint 931 and the reduction gearbox output shaft 71 of reduction box 7 Drive connection.

In the present embodiment, foregoing reduction box 7 is worm reduction box, correspondingly, foregoing reduction gearbox output shaft 71 is worm-wheel shaft.

Emphasis is shown in Fig. 2, in the bottom of the length direction of aforementioned roller nose girder 53 and towards the one of foregoing interior backbar 51 Side with space state be fixed with one group it is left strengthen triangle gusset 534, the group is left strengthen triangle gusset 534 simultaneously with interior backbar 51 It is fixed, and fixed with space state in the bottom of the length direction of roller nose girder 53 and towards the side of foregoing external support beam 52 There is one group of right reinforcement triangle gusset 535, the right triangle gusset 535 of strengthening of the group is fixed with external support beam 52 simultaneously.

A gear shaft is offered on foregoing interior backbar 51 and in the position of the right-hand member corresponding to second gear axle 9 Resigning hole 511, a right gear is offered on foregoing external support beam 52 and in the position corresponding to gear shaft resigning hole 511 Spacing pad fixing screws operation resigning hole 521, in the bottom of aforementioned roller nose girder 53 and corresponding to foregoing right gear 92 Position offers a right gear resigning chamber 536, and it is right that the right-hand member of foregoing second gear axle 9 is stretched over through gear shaft resigning hole 511 In the lower section in right gear resigning chamber 536, foregoing right gear 92 should be fixed in the position corresponding to right gear resigning chamber 536 The right-hand member of two gear shafts 9.

As shown in Figure 1, it is fixed with by the spacing pad fixing screws 941 of right gear on the right-hand member end face of second gear axle 9 The spacing pad 94 of one right gear, can be correspondingly that foregoing right gear is limited with hardware ＆ tools such as screwdriver or impact wrench etc. during operation The position of position pad fixing screws operation resigning hole 521 screws the spacing pad fixing screws 941 of right gear, by the spacing pad of right gear 94 play a part of to prevent right gear 92 from being come off from the right-hand member end of second gear axle 9.At the left end end of foregoing first gear axle 8 Face is similarly provided with the spacing pad of left gear, is fixed the spacing pad of left gear by the spacing pad fixing screws of left gear, by left gear It is spacing to pave the effect for preventing left gear from being come off from the left end end of first gear axle 8.

In the present embodiment, the shape of cross section of foregoing interior backbar 51 and external support beam 52 is in Contraband font, more specifically Say, inside and outside backbar 51,52 is respectively served as by channel-section steel；The shape of cross section of foregoing roller nose girder 53 is in inverted convex shape.

In the present embodiment, foregoing backbar fixing pipe 10 is pipe, but rectangular tube and by Fig. 3 institutes also can be used Show, the backbar fixing pipe 10 is fixedly connected in the position of the bottom corresponding to roller nose girder 53（By welding）In inside and outside branch Between bolster 51,52.

As shown in Figure 1, foregoing first gear bearing housing 81 is by the first screw 811 and first bearing seat fixed seat 8111 fix, and side of the first bearing seat fixed seat 8111 with foregoing carriage body base plate 2 under is fixed, the second foregoing tooth Wheel bearing seat 91 is fixed by the second screw 911 with second bearing seat fixed seat 9111, and the second bearing seat fixed seat 9111 side equally with carriage body base plate 2 under is fixed.In addition, it is contemplated that the stability of the motion of second gear axle 9, can be by the The right-hand member of two gear shafts 9 is supported in gear shaft right axle bearing 95, and the gear shaft right axle bearing 95 and external support beam 52 are towards interior The side of backbar 51 is fixed, and in this case, i.e., relative to the mode shown in Fig. 1, the right-hand member of second gear axle 9 is not just deposited In the spacing pad fixing screws 941 of the spacing pad 94 of right gear and right gear.

It is operation principle that applicant sketches function of the present utility model, when being freighted under parked state, is worked by motor 20 （The power supply of motor 20 is supplied by vehicle power or external power supply）, gear-box 6 is driven by motor 20, deceleration is driven by gear-box 6 Case 7, drives the first universal drive shaft 82 and the second universal drive shaft 93, by the simultaneously by the reduction gearbox output shaft 71 of reduction box 7 One universal drive shaft 82 drives first gear axle 8, is driven by the left gear of the left end of first gear axle 8 and is located at mobile carriage body 4 The mobile carriage body of the bottom of left carriage wall supports the tooth bar 55 of guiding mechanism 5, while driving the second tooth by the second guiding power transmission shaft 93 Wheel shaft 9, by the right gear 92 of the right-hand member of second gear axle 9 with carry-over bar 55, mobile carriage body turning rolls 54 is driven by tooth bar 55, due to I.e. left side and right side passes through roller shaft 5411 on mobile carriage body turning rolls 54（Fig. 2 is indicated）Pivot is provided with roller 541, and by Rolling pair is formed in the roller raceway 532 of roller 541 and roller nose girder 53, due also to mobile carriage body turning rolls 54 and mobile carriage body 4 left carriage wall and the bottom of right carriage wall are fixed, thus when roller 541 follows roller raceway 532 and rolls, are rolled by mobile carriage body Wheel carrier 54 drives mobile carriage body 4 accordingly mobile, makes to move nestable state of the carriage body 4 in covering on outside fixed carriage body 3, carriage body base plate 2 rear portion is the open state of rear end one, is freighted with profit.After the completion of loading, the reverse operation of aforementioned motor 20 makes to move carriage body 4 Make and foregoing rightabout movement.Operation during due to unloading duplicates with operating process when freighting, thus applicant is no longer Repeat.

In sum, the technical scheme that the utility model is provided compensate for the shortcoming in prior art, favorably accomplish Invention task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.

Claims (10)

1. a kind of actuating unit of the mobile carriage body of vehicle, described vehicle includes chassis (1), platform floor (2), fixed Carriage body (3) and mobile carriage body (4), chassis (1) is included in the parallel left crossbeam (11) of length direction and right crossbeam (12), Be fixed with a left bottom girder (111) on the top of the length direction of left crossbeam (11), and right crossbeam (12) length direction it is upper Portion is fixed with a right bottom girder (121), and platform floor (2) is fixed on platform floor bearing support (21), and the platform floor is supported While fixed with left bottom girder (111) and right bottom girder (121), fixed carriage body (3) is fixed on platform floor (2) frame (21), moves The left carriage wall of dynamic carriage body (4) and the bottom of right carriage wall be respectively supported on a movement carriage body support on guiding mechanism (5) and with movement Carriage body supports guiding mechanism (5) and constitutes rolling pair, and mobile carriage body supports guiding mechanism (5) and platform floor bearing support (21) is solid It is fixed, it is characterised in that the actuating unit of the mobile carriage body includes motor (20), gear-box (6), reduction box (7), first Gear shaft (8) and second gear axle (9), motor (20) are driven with gear-box (6) and coordinate and by gear-box (6) together with motor (20) it is fixed on support (61), gear-box (6) is connected with reduction box (7), the reduction box (7) is equally fixed on support (61) on, and the left end and right-hand member of the reduction gearbox output shaft (71) of the reduction box (7) are stretched over outside casing, first gear axle (8) left end is fixed with a left gear, the left gear with correspond to the mobile carriage body (4) left carriage wall bottom the shifting Dynamic carriage body supports guiding mechanism (5) transmission and coordinates, and middle part is rotatably supported on first gear bearing housing (81), and the first tooth The right-hand member of wheel shaft (8) is connected with the left end of the reduction gearbox output shaft (71) of reduction box (7), the left end of second gear axle (9) Right-hand member with the reduction gearbox output shaft (71) of reduction box (7) is connected, and middle part is rotatably supported at second gear bearing housing (91) on, the right-hand member of second gear axle (9) is fixed with a right gear (92), the right gear (92) with correspond to the mobile carriage body (4) carriage body of the bottom of right carriage wall supports guiding mechanism (5) transmission and coordinates, and is also arranged on described gear-box (6) There is manual manipulator's wheel (62), described support (61) is fixed on the right crossbeam (12) back to the one of the left crossbeam (11) Side and also simultaneously fixed with the right bottom girder (121), the first gear bearing housing (81) and second gear axle bearing Side of the seat (91) with the carriage body base plate (2) under is fixed.

2. the actuating unit of the mobile carriage body of vehicle according to claim 1, it is characterised in that described compartment bottom Plate bearing support (21) includes the longeron (211) and crossbeam (212) that are spaced apart, and longitudinal and transverse beam (211,212) forms groined type each other Relation, longeron (211) and crossbeam (212) be fixed, and crossbeam (212) and meanwhile with the left bottom girder (111) and right bottom girder (121) it is fixed；The mobile carriage body supports guiding mechanism (5) includes interior backbar (51), external support beam (52), roller nose girder (53), mobile carriage body turning rolls (54) and tooth bar (55), interior backbar (51) and external support beam (52) in length direction each other Parallel and interior backbar (51) is fixed with the end of crossbeam (212), and is consolidated by backbar between inside and outside backbar (51,52) Fixed tube (10) is fixedly connected, and roller nose girder (53) is fixed between inside and outside backbar (51,52), in the roller nose girder (53) The top of length direction offers a turning rolls resigning chamber (531), in the correspondence at the middle part of the length direction of roller nose girder (53) Both sides are respectively formed with a roller raceway (532), and are formed with a rach slot (533), mobile carriage body rolling in the bottom of length direction Wheel carrier (54) is fixed on the bottom of the length direction of the side wall of the mobile carriage body (4), movement carriage body turning rolls (54) correspondence It is in described turning rolls resigning chamber (531) and each with space state in the left side and right side of movement carriage body turning rolls (54) Pivot is provided with roller (541), and the roller (541) constitutes rolling pair with described roller raceway (532), and tooth bar (55) corresponds to Rach slot (533), the length of the tooth bar (55) is identical with the length of mobile carriage body turning rolls (54), and fixes spiral shell by tooth bar Nail (551) is fixed on the bottom of mobile carriage body turning rolls (54), described left gear and the corresponding left railway carriage or compartment for being to move carriage body (4) Tooth bar (55) transmission of mobile carriage body supporting guiding mechanism (5) of the bottom of wall coordinates, described right gear (92) with correspond to Tooth bar (55) transmission of mobile carriage body supporting guiding mechanism (5) of the bottom of the right carriage wall of mobile carriage body (4) coordinates.

3. the actuating unit of the mobile carriage body of vehicle according to claim 1, it is characterised in that described motor (20) be the motor with positive and negative rotating function, described gear-box (6) is umbrella gear box, described manually operated handwheel (62) with The gear shaft being stretched over outside the casing of gear-box (6) is fixed.

4. the actuating unit of the mobile carriage body of vehicle according to claim 1, it is characterised in that the first gear The right-hand member of axle (8) respectively has the first universal drive shaft (82) and the reduction box (7) of one first universal joint (821) by two ends Reduction gearbox output shaft (71) left end drive connection, the left end of the second gear axle (9) respectively has one second by two ends Second universal drive shaft (93) of universal joint (931) is connected with the right-hand member of the reduction gearbox output shaft (71) of reduction box (7).

5. the actuating unit of the mobile carriage body of the vehicle according to claim 1 or 4, it is characterised in that described deceleration Case (7) is worm reduction box, and described reduction gearbox output shaft (71) is worm-wheel shaft.

6. the actuating unit of the mobile carriage body of vehicle according to claim 2, it is characterised in that led in the roller The bottom of the length direction of beam (53) and towards the side of the interior backbar (51) with space state be fixed with one group it is left plus Strong triangle gusset (534), the group is left to strengthen triangle gusset (534) while being fixed with interior backbar (51), and in roller nose girder (53) bottom of length direction and one group of right reinforcement is fixed with space state towards the side of the external support beam (52) Triangle gusset (535), the group is right to strengthen triangle gusset (535) while fixed with external support beam (52), and described backbar is fixed Pipe (10) is between the position of the bottom corresponding to roller nose girder (53) is fixedly connected on inside and outside backbar (51,52).

7. the actuating unit of the mobile carriage body of vehicle according to claim 2, it is characterised in that in described interior branch A gear shaft resigning hole (511) is offered on bolster (51) and in the position of the right-hand member corresponding to second gear axle (9), in institute On the external support beam (52) stated and the spacing pad of a right gear is offered in the position corresponding to gear shaft resigning hole (511) to fix Screw operates resigning hole (521), in the bottom of the roller nose girder (53) and in the position corresponding to the right gear (92) A right gear resigning chamber (536) is offered, the right-hand member of the second gear axle (9) is stretched over through gear shaft resigning hole (511) Corresponding to the lower section in right gear resigning chamber (536), described right gear (92) is in the position corresponding to right gear resigning chamber (536) It is fixed on the right-hand member of second gear axle (9).

8. the actuating unit of the mobile carriage body of the vehicle according to claim 2 or 6 or 7, it is characterised in that described The shape of cross section of interior backbar (51) and external support beam (52) is in Contraband font；The shape of cross section of described roller nose girder (53) In inverted convex shape.

9. the actuating unit of the mobile carriage body of the vehicle according to claim 2 or 6, it is characterised in that described supporting Beam fixing pipe (10) is pipe or rectangular tube.

10. the actuating unit of the mobile carriage body of vehicle according to claim 1, it is characterised in that the first described tooth Wheel bearing seat (81) is fixed by the first screw (811) and first bearing seat fixed seat (8111), and the first bearing seat is solid Side of the reservation (8111) with the carriage body base plate (2) under is fixed, and described second gear bearing housing (91) is by Two screws (911) and second bearing seat fixed seat (9111) are fixed, and the second bearing seat fixed seat (9111) is equally and carriage body Side of the base plate (2) under is fixed.