CN207511769U - A kind of floor truck with shock-absorbing function - Google Patents

Abstract

The utility model provides a kind of floor truck with shock-absorbing function, including vehicle frame, wheel mechanism, driving mechanism and suspension mechanism.Vehicle frame includes the upper plate body and lower body that are arranged in parallel；Wheel mechanism includes wheel and fixed plate, and wheel is set on lower body by fixed plate；Driving mechanism is used to that floor truck to be driven to move；Suspension mechanism includes spring, supporting rod and sleeve, sleeve is set on fixed plate, supporting rod is fixedly installed between upper plate body and lower body, and sleeve and spring pocket are set on supporting rod and can be moved up and down relative to supporting rod, and spring-compressed between upper plate body and sleeve.

Description

A kind of floor truck with shock-absorbing function

Technical field

The utility model is related to logistics Automatic guided vehicle (AGV) technical field more particularly to it is a kind of for carrying Trolley.

Background technology

The progress and innovation of modern science and technology, the research for AGV provide platform and the space of bigger with application.Automate skill Art is maked rapid progress, and the especially rapid development of computer has greatly pushed the development of AGV.AGV has the degree of automation It is high, production cost can be reduced, is small, the advantages such as cost and maintenance cost are low, and it is widely used to Flexible Manufacture system The advanced fields such as system, flexible assembly system and warehouse logistics, to realize the automatic transportation of material in logistics system.

In view of the application field of AGV, narrow environment is to its volume, flexibility and jacks the requirement of stationarity increasingly It is high.Especially when ground is unable to reach it is substantially flat when, as the vibrations caused by uneven ground is transmitted to the impact force of vehicle frame by shadow Ring the stationarity of jacking.Therefore, how to provide the stability of moving trolley becomes this field urgent problem to be solved.

Utility model content

Based on the above problem, the purpose of this utility model is to provide a kind of flexibility is high, jacking steadily and over the ground The adaptable floor truck with shock-absorbing function in face ring border.

To reach above-mentioned purpose, the utility model provides a kind of floor truck with shock-absorbing function, including vehicle frame, wheel Mechanism, driving mechanism and suspension mechanism.Vehicle frame includes the upper plate body and lower body that are arranged in parallel；Wheel mechanism is including wheel and admittedly Fixed board, wheel are set on lower body by fixed plate；Driving mechanism is used to that floor truck to be driven to move；Suspension mechanism include spring, Supporting rod and sleeve, sleeve are set on fixed plate, and supporting rod is fixedly installed between upper plate body and lower body, and sleeve and spring are arranged Can move up and down in supporting rod and relative to supporting rod, and spring-compressed between upper plate body and sleeve.

Wherein, driving mechanism includes driving motor and driving retarder, and fixed plate includes inboard wheel fixed plate and outside Wheel fixed plate, driving motor couple with driving retarder, and driving retarder is fixed in inboard wheel fixed plate, inboard wheel Fixed plate and outboard wheels fixed plate is mobilizable is set between upper plate body and lower body, in wheel is nested in by wheel shaft Between side wheel fixed plate and outboard wheels fixed plate.

Wherein, the quadrangle of lower body is respectively provided with a perforation, the both ends of inboard wheel fixed plate be respectively provided with one with it is corresponding The through-hole of perforation connection, the quantity of suspension mechanism is four, and the sleeve of each suspension mechanism is accommodated therein in a through-hole, each Upper plate body is fixed in one end of the supporting rod of suspension mechanism, and the other end can pass through corresponding through-hole, and be fixed on perforation.

Wherein, sleeve is linear bearing, sleeve can relative to supporting rod moving longitudinally up and down along linear bearing.

Wherein, sleeve is nested in the through-hole, and there are gaps between the bottom of sleeve and the upper surface of lower body.

Wherein, floor truck further includes rotating mechanism, and including swivel plate and electric rotating machine, swivel plate passes through electric rotating machine It is supported on vehicle frame, electric rotating machine can drive swivel plate to rotate.

Wherein, rotating mechanism further includes support plate, the active roller gear of rotating cylindrical gear pair and rotating cylindrical gear Secondary driven cylindrical gear, lower part and the electric rotating machine of support plate are fixed, the active roller gear of rotating cylindrical gear pair and rotation The driven cylindrical gear for turning cylindrical gear pair is set in support plate, the active roller gear and electric rotating machine of rotating cylindrical gear pair Connection；The driven cylindrical gear of rotating cylindrical gear pair is intermeshed with the active roller gear of rotating cylindrical gear pair, and Upper part is fixed with swivel plate, so as to drive swivel plate rotation under the driving of electric rotating machine.

Wherein, when wheel drive vehicle frame rotation when, swivel plate can be rotated with the direction opposite with vehicle frame, and swivel plate with The rotary speed of vehicle frame is identical.

Wherein, floor truck further includes elevating mechanism, is set on vehicle frame, can drive rotating mechanism relative on vehicle frame It rises or declines.

Wherein, elevating mechanism includes lifting motor, lifting retarder, lifting reducer stent and driving section, lifting motor With lifting retarder couple, lifting retarder it is affixed with vehicle frame by lifting reducer stent, driving section including first gear pair, First gear axis, second gear are secondary, second gear axis and third gear pair, the first driving gear of first gear pair subtract with lifting Fast device connection, and engaged with the first driven gear of first gear pair；First gear axis is equipped with the first driven gear and second Second driving gear of gear pair, the second driving gear are engaged with the second driven gear of second gear pair；On second gear axis Third driving gear equipped with the second driven gear and third gear pair, third driving gear and the third of third gear pair are driven Rack engages；The driven rack elongate support of third is in the lower part of a lifter plate；Thus under the driving of lifting motor, driving section energy Enough lifter plate is driven to rise or fall.

The utility model is compared to the advantageous effect of the prior art：Floor truck provided by the utility model, which has, to be subtracted Function is shaken, so as to improve the stationarity of jacking and ground environment adaptability.

Description of the drawings

Fig. 1 is the integrally-built axis side view of the floor truck with shock-absorbing function of one embodiment of the utility model；

Fig. 2 is that the integrally-built axis side decomposition of the floor truck with shock-absorbing function of one embodiment of the utility model regards Figure；

Fig. 3 is the front view of the floor truck with shock-absorbing function of one embodiment of the utility model；

Fig. 4 is A-A sectional views shown in Fig. 3；

Fig. 5 is the side view of the floor truck with shock-absorbing function that one embodiment of the utility model provides；

Fig. 6 is B-B sectional views shown in fig. 5；

Fig. 7 is the bottom view of the floor truck with shock-absorbing function of one embodiment of the utility model.

Reference sign：

Vehicle frame 10

Upper plate body 11

Lower body 12

Wheel 21

Auxiliary support wheel 22

Spring 31

Supporting rod 32

Sleeve 33

Swivel plate 41

Electric rotating machine 42

Driving motor 51

Driving retarder 52,

Inboard wheel fixed plate 53

Outboard wheels fixed plate 54

Drive bearing 55

Drive bearing cap 56

Wheel shaft 57

Perforate H1, H3

Through-hole H2

Lifting motor 61

Lift retarder 62

Lift reducer stent 63

First gear axis 64

Second gear axis 65

First driving gear 66

First driven gear 67

Second driving gear 68 of second gear pair

Front side lifts bearing 69

Front side lifts bearing block 70

Second driven gear 71

The third driving gear 72 of third gear pair

Rear side lifts bearing 73

Rear side lifts bearing block 74

The driven rack 75 of third of third gear pair

Item set 76

Dynamic sliding rail 77

Determine sliding rail 78

Specific embodiment

Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that this practicality is new The design of example embodiment more comprehensively and completely, and is comprehensively communicated to those skilled in the art by type.In the figure in order to Clearly, it may be exaggerated the thickness of region and layer.Identical reference numeral represents same or similar structure in figure, thus will Omit their detailed description.

In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner In example.In the following description, many details are provided so as to provide fully understanding to the embodiment of the utility model. It will be appreciated, however, by one skilled in the art that the technical solution of the utility model can be put into practice without in the specific detail It is one or more or other methods, constituent element, material etc. may be used.In other cases, it is not shown in detail or describes Known features, material or operation to avoid fuzzy the utility model major technique intention.

The utility model provides a kind of floor truck with shock-absorbing function, as shown in Figures 1 to 7, including vehicle frame 10, Wheel mechanism, driving mechanism and suspension mechanism.Vehicle frame 10 includes the upper plate body 11 being arranged in parallel and lower body 12；Wheel mechanism is set In lower body 12；Driving mechanism is used to that floor truck to be driven to move；Suspension mechanism includes spring 31, supporting rod 32 and sleeve 33, Sleeve 33 is set on fixed plate, and supporting rod 32 is set between upper plate body 11 and lower body 12, and can be relative to sleeve about 33 Mobile, sleeve 33 and spring 31 are sheathed on supporting rod 32 and can be moved up and down relative to supporting rod 32, and the compression of spring 31 Between upper plate body 11 and sleeve 33.

Therefore, when floor truck in ground grading when driving, spring 31 i.e. have certain decrement.Work as floor truck The wheel 21 of side when being jacked up (run-off the straight or vibrations), wheel 21 drives the fixed plate of the side to rise so that fixed plate On spring 31 be further compressed, since spring is applied to the elastic force of fixed plate so that the wheel set on fixed plate will not be by Suddenly it significantly jacks up, so as to reduce the inclination of vehicle frame 10 and vibrations.

Therefore, the suspension mechanism of the floor truck of the utility model is capable of providing shock-absorbing function, so as to improve the flat of jacking Stability and ground environment adaptability.

In the present embodiment, wheel mechanism includes pair of wheels 21, is respectively arranged in the opposite both sides of lower body 12.Vehicle Wheel mechanism may also include auxiliary support wheel 22, be installed on the opposite another both sides of lower body 12.Auxiliary support wheel 22 can be ten thousand To wheel.As shown in fig. 7, the quantity of auxiliary support wheel 22 is 4, it is symmetrically set to the opposite another both sides of lower body 12. Therefore, wheel 21 and auxiliary support wheel 22 coordinate jointly, provide floor truck more stable support, improve floor truck movement Stability.

In the present embodiment, driving mechanism can be divided into two groups, correspond to wheel 21, be symmetrically distributed in a left side for 10 bottom of vehicle frame Right side.By taking the driving mechanism in left side as an example, including driving motor 51, driving retarder 52, driving bearing 55 and driving bearing Lid 56.Fixed plate includes inboard wheel fixed plate 53 and outboard wheels fixed plate 54.

Driving motor 51 couples with driving retarder 52, and driving retarder 52 is fixed in inboard wheel fixed plate 53, interior Side wheel fixed plate 53 and outboard wheels fixed plate 54 is mobilizable is set between upper plate body 11 and lower body 12, wheel 21 Inboard wheel fixed plate 53 and outboard wheels fixed plate 54 are nested in by wheel shaft 57, driving bearing 55 and driving bearing cap 56 Between.

Two groups of driving mechanisms can be used differential mode and drive so that the turning radius of floor truck is small, and flexibility is high.

As shown in Fig. 2, the quadrangle of lower body 12 is respectively provided with a perforation H1, the quadrangle of lower body 12 is respectively provided with a perforation H3. The both ends of inboard wheel fixed plate 53 are respectively provided with a through-hole H2 connected with corresponding perforation H1, and the quantity of suspension mechanism is four A, the sleeve 33 of each suspension mechanism is accommodated therein in a through-hole H2, and one end of the supporting rod 32 of each suspension mechanism is fixed In the perforation H3 of upper plate body 11, the other end can pass through corresponding through-hole H2, and be fixed on perforation H1.

Therefore, the quadrangle of floor truck is respectively provided with a suspension mechanism, and the top of spring 31 is contacted with upper plate body 11, lower part with Sleeve 33 contacts, and when floor truck in ground grading when driving, spring 31 i.e. have certain decrement.It is small when carrying When the wheel 21 of the side of vehicle is jacked up (run-off the straight or vibrations), the inboard wheel fixed plate 53 of the side so that spring 31 by into One step is compressed, so as to reduce the inclination of vehicle frame 10 and vibrations.

In the present embodiment, sleeve 33 is linear bearing, and linear bearing is nested in the logical of the both ends of inboard wheel fixed plate 53 In the H2 of hole, there is certain gap between the upper surface of bottom and lower body 12.Gap causes suspension mechanism adjusting trolley When tilting and shaking, vehicle frame can keep relative stability, and not influence to carry.The sleeve 33 of linear bearing form is so that supporting rod 32 Relative movement between linear bearing is more smooth.

In the present embodiment, floor truck further includes rotating mechanism, and rotating mechanism includes swivel plate 41 and electric rotating machine 42, rotation Flap 41 is supported in by electric rotating machine 42 on vehicle frame 10, and electric rotating machine 42 can drive swivel plate 41 to rotate.

Rotating mechanism further includes support plate 43, the active roller gear 44 of rotating cylindrical gear pair and rotating cylindrical gear pair Driven cylindrical gear 45, lower part and the electric rotating machine 42 of support plate 43 fix, the active roller gear of rotating cylindrical gear pair 44 and rotating cylindrical gear pair driven cylindrical gear 45 be set on support plate 43 on, the active roller gear of rotating cylindrical gear pair 44 and electric rotating machine 42 couple；The driven cylindrical gear 45 of rotating cylindrical gear pair and the active Cylinder Gear of rotating cylindrical gear pair 44 intermeshing of wheel, and upper part is fixed with swivel plate 41, so as to swivel plate 41 be driven to revolve under the driving of electric rotating machine 42 Turn.

In the present embodiment, when wheel 21 drives vehicle frame 10 to rotate, swivel plate 41 can be with the direction opposite with vehicle frame 10 Rotation, and swivel plate 41 is identical with the rotary speed of vehicle frame 10.Swivel plate 41 is supplied to be rotated with vehicle frame 10 by rotating mechanism The opposite speed in direction, therefore, in 10 rotary course of vehicle frame, the cargo on swivel plate 41 is not revolved relative to working face Turn, the stationarity jacked when being rotated so as to fulfill vehicle body.

In the present embodiment, floor truck further includes rotating mechanism, and elevating mechanism is set on vehicle frame 10, can drive whirler Structure rises or falls relative to vehicle frame 10.

Elevating mechanism includes lifting motor 61, lifting retarder 62, lifting reducer stent 63 and driving section.Lifting motor 61 couple with lifting retarder 62, and lifting retarder 62 is affixed by lifting reducer stent 63 and vehicle frame 10.

Driving section includes first gear pair, first gear axis 64, second gear pair, second gear axis 65 and third gear It is secondary.

First driving gear 66 of first gear pair couples with lifting retarder 62, and driven with the first of first gear pair Gear 67 engages；Second driving gear 68, front side liter of the first gear axis 64 equipped with the first driven gear 67, second gear pair Bearing 69 and front side lifting bearing block 70 drop, and first gear axis 64 lifts bearing block 70 by front side and is fixed on vehicle frame 10 Side.

Second driving gear 68 is engaged with the second driven gear 71 of second gear pair；Second gear axis 65 is equipped with second Driven gear 71, the third driving gear 72 of third gear pair, rear side lifting bearing 73 and rear side lifting bearing block 74.And the Two gear shafts 65 lift bearing block 74 by rear side and are fixed on 10 top of vehicle frame.The of third driving gear 72 and third gear pair Three driven racks 75 engage；For driven 75 elongate support of rack of third in the lower part of a lifter plate, the present embodiment, lifter plate is branch Fagging 43.So as to which under the driving of lifting motor 61, driving section can drive support plate 43 to rise or fall.

In the present embodiment, the quantity of second gear pair, second gear axis 65 and third gear pair is symmetrically arranged two It is a, so as to improve the stationarity of jacking by the symmetry of elevating mechanism.

In the present embodiment, driving section may also include rack tube 76, dynamic sliding rail 77 and determine sliding rail 78, the driven rack 75 of third and Rack tube 76 connects, and the top and the lower part of support plate 43 of rack tube 76 are fixed, and rack tube 76 is fixedly connected with dynamic sliding rail 77, fixed Sliding rail 78 is fixedly connected with vehicle frame 10, and during the driven rack 75 of third moves, dynamic sliding rail 77 can be relative to determining sliding rail 78 move up and down.By determining sliding rail 78, dynamic sliding rail 77 and the cooperation of rack, support plate 43 can smoothly be driven to rise or drop Under, avoid the shaking that shifts.

In conclusion floor truck provided by the utility model have shock-absorbing function, so as to improve the stationarity of jacking with And ground environment adaptability.

Although exemplary embodiment describing the utility model with reference to several, it is to be understood that, term used is explanation With term exemplary, and not restrictive.Since the utility model can be embodied in a variety of forms without departing from practical new The spirit or essence of type, it should therefore be appreciated that above-described embodiment is not limited to any aforementioned details, and should be in appended claims It is widely explained in the spirit and scope limited, therefore falls into whole variations in claim or its equivalent scope and remodeling Appended claims are all should be to be covered.

Claims (10)

1. a kind of floor truck with shock-absorbing function, which is characterized in that including：

Vehicle frame, including the upper plate body and lower body being arranged in parallel；

Wheel mechanism, including wheel and fixed plate, wheel is set on lower body by fixed plate；

Driving mechanism, for floor truck to be driven to move；And

Suspension mechanism, including spring, supporting rod and sleeve, sleeve is set on fixed plate, and supporting rod is fixedly installed on upper plate body under Between plate body, sleeve and spring pocket are set on supporting rod and can be moved up and down relative to supporting rod, and spring-compressed be located at it is upper Between plate body and sleeve.

2. there is the floor truck of shock-absorbing function as described in claim 1, which is characterized in that driving mechanism includes driving motor With driving retarder, fixed plate includes inboard wheel fixed plate and outboard wheels fixed plate, driving motor and driving retarder connection It connects, driving retarder is fixed in inboard wheel fixed plate, inboard wheel fixed plate and outboard wheels fixed plate is mobilizable sets It is placed between upper plate body and lower body, wheel is nested in by wheel shaft between inboard wheel fixed plate and outboard wheels fixed plate.

3. there is the floor truck of shock-absorbing function as claimed in claim 2, which is characterized in that the quadrangle of lower body is respectively provided with one Perforation, the both ends of inboard wheel fixed plate are respectively provided with a through-hole connected with corresponding perforation, and the quantity of suspension mechanism is four A, the sleeve of each suspension mechanism is accommodated therein in a through-hole, and upper plate is fixed in one end of the supporting rod of each suspension mechanism Body, the other end can pass through corresponding through-hole, and be fixed on perforation.

4. there is the floor truck of shock-absorbing function as claimed in claim 3, which is characterized in that sleeve is linear bearing, sleeve Can relative to supporting rod moving longitudinally up and down along linear bearing.

5. there is the floor truck of shock-absorbing function as claimed in claim 3, which is characterized in that sleeve is nested in the through-hole Interior, there are gaps between the bottom of sleeve and the upper surface of lower body.

6. there is the floor truck of shock-absorbing function as described in claim 1, which is characterized in that floor truck further includes whirler Structure, including swivel plate and electric rotating machine, for swivel plate by rotating motor support on vehicle frame, electric rotating machine can drive rotation Plate rotates.

7. there is the floor truck of shock-absorbing function as claimed in claim 6, which is characterized in that rotating mechanism further includes support The driven cylindrical gear of plate, the active roller gear of rotating cylindrical gear pair and rotating cylindrical gear pair, the lower part of support plate with Electric rotating machine is fixed, and the active roller gear of rotating cylindrical gear pair and the driven cylindrical gear of rotating cylindrical gear pair are set on branch On fagging, active roller gear and the electric rotating machine connection of rotating cylindrical gear pair；The driven Cylinder Gear of rotating cylindrical gear pair The active roller gear of wheel and rotating cylindrical gear pair is intermeshed, and upper part is fixed with swivel plate, so as in electric rotating Swivel plate rotation is driven under the driving of machine.

8. there is the floor truck of shock-absorbing function as claimed in claim 7, which is characterized in that when wheel drives vehicle frame rotation When, swivel plate can be rotated with the direction opposite with vehicle frame, and swivel plate is identical with the rotary speed of vehicle frame.

9. there is the floor truck of shock-absorbing function as described in claim 1, which is characterized in that floor truck further includes elevator Structure is set on vehicle frame, rotating mechanism can be driven to be risen or fallen relative to vehicle frame.

10. there is the floor truck of shock-absorbing function as claimed in claim 9, which is characterized in that elevating mechanism includes lifting electricity Machine, lifting retarder, lifting reducer stent and driving section, lifting motor couple with lifting retarder, and lifting retarder passes through It lifts reducer stent and vehicle frame is affixed, driving section includes first gear pair, first gear axis, second gear pair, second gear Axis and third gear pair, the first driving gear of first gear pair couple, and secondary with first gear first with lifting retarder Driven gear engages；First gear axis is equipped with the first driven gear and the second driving gear of second gear pair, and second actively Gear is engaged with the second driven gear of second gear pair；Second gear axis is equipped with the second driven gear and third gear pair Third driving gear, third driving gear are engaged with the driven rack of the third of third gear pair；The driven rack elongate support of third In the lower part of a lifter plate；So as to which under the driving of lifting motor, driving section can drive lifter plate to rise or fall.