CN107804128A - Dolly - Google Patents
Dolly Download PDFInfo
- Publication number
- CN107804128A CN107804128A CN201710829421.9A CN201710829421A CN107804128A CN 107804128 A CN107804128 A CN 107804128A CN 201710829421 A CN201710829421 A CN 201710829421A CN 107804128 A CN107804128 A CN 107804128A
- Authority
- CN
- China
- Prior art keywords
- dolly
- wheel
- vehicle bridge
- plate body
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a kind of moving cart, more particularly to a kind of dolly.The dolly includes vehicle frame, vehicle bridge and multiple wheels, the vehicle bridge includes the first end and the second end being oppositely arranged, the vehicle bridge is rotatably connected close to the position of first end and vehicle frame, the vehicle bridge is close to the position of the second end and vehicle frame elastic connection, the wheel is connected to the first end and the second end of vehicle bridge, when the dolly is advanced in roughness pavement, the vehicle bridge rotates around the position that vehicle bridge and vehicle frame are rotatably connected, and the distance between the wheel, vehicle bridge and vehicle frame change back and forth in the presence of a tensile force.Dolly in the present invention has the advantages that outside road surface adaptability and good damping effect, and for carrier, comfortableness is more preferable.
Description
【Technical field】
The present invention relates to a kind of moving cart, more particularly to a kind of dolly.
【Background technology】
With the development in epoch, performance requirement more and more higher of the user for moving cart.The product transported on dolly
When precision or higher value, user proposes higher demand to the shockproof properties of dolly.Dolly of the prior art, it is anti-
Shock stability has not reached the demand of user gradually.
Therefore, how to provide a kind of shockproof properties good dolly, just into the demand of moving cart technical field！
【The content of the invention】
To overcome the bad technical problem of existing travelling bogie shockproof properties, the invention provides a kind of dolly.
The scheme that the present invention solves technical problem is to provide a kind of dolly, and the dolly includes vehicle frame, vehicle bridge and multiple cars
Wheel, the vehicle bridge include the first end and the second end being oppositely arranged, and the vehicle bridge is close to the position of first end and vehicle frame
It is rotatably connected, the vehicle bridge is connected to vehicle bridge close to the position of the second end and vehicle frame elastic connection, the wheel
First end and the second end, when the dolly is advanced in roughness pavement, the vehicle bridge rotatably connects around vehicle bridge and vehicle frame
The position rotation connect, and the distance between the wheel, vehicle bridge and vehicle frame change back and forth in the presence of a tensile force.
Preferably, the dolly also includes damper, and the vehicle bridge passes through damper and car close to the position of the second end
Frame elastic connection.
Preferably, the dolly also includes controller, and the damper includes damper, and controller is connected to damper,
The controller controls the damping change of damper according to pavement behavior.
Preferably, the vehicle bridge includes the first plate body, the second plate body, the 3rd plate body, the 4th plate body and the 5th plate body, described
Connection from beginning to end is in falling " several " font successively for first plate body, the second plate body, the 3rd plate body, the 4th plate body and the 5th plate body, and described the
End where one plate body is first end, and end where the 5th plate body is the second end.
Preferably, a slot to make way is opened up on the 4th plate body, the slot to make way is from the 4th plate body away from the 3rd plate body one
The end face at end is opened up to the 4th plate body close to one end of the 3rd plate body, and the shock absorber section is arranged in slot to make way and and stepped down
The bottom of groove is rotatably connected.
Preferably, the dolly also includes position-limit mechanism, and the position-limit mechanism includes the first stopping means of split settings
With the second stopping means, first stopping means and the second stopping means one of both are fixedly connected with vehicle frame, another one and
Vehicle bridge is fixedly connected, and second stopping means is at least partially housed in the first stopping means, and limitation vehicle frame is with respect to vehicle bridge edge
Move in horizontal plane direction.
Preferably, the dolly also includes fixed mechanism, and the fixed mechanism includes the first fixing device of split settings
With the second fixing device, first fixing device is fixedly connected with the second fixing device one of both with vehicle frame, another one and
Vehicle bridge is fixedly connected, and first fixing device and the second fixing device can be fixed together, and at least limits vehicle frame with respect to vehicle bridge
Movement on vertical level direction.
Preferably, the wheel includes wheel mount, motor, gear-box and wheel, and the motor and gear-box are fixed on car
On bridge, the rotary shaft of the motor connects with gear-box, and the gear-box connects with wheel mount, and the wheel mount and wheel can turn
Dynamic connection, the motor are rotated by gear-box driving moment seat to realize the 360 of wheel ° of steerings.
Preferably, the wheel also includes wheel, wheel mount, brake disc and brake, and the wheel mount connects with vehicle bridge,
The wheel and wheel mount are rotatably connected, and the brake includes braking driver element and two-system dynamic friction piece, the braking
Driver element is fixed on wheel mount, and the drag friction part is fixedly connected with braking driver element, the wheel and brake disc
Coaxially connected and be rotatably connected with wheel mount, the brake is fixed on wheel mount, every in the both sides of the brake disc
Side respectively sets an at least drag friction part, and the braking driver element can promote two-system dynamic friction piece close to each other and be pressed from both sides with mobile
Tight brake disc.
Preferably, the gear-box is hollow reductor, and the first cable tray, institute are provided with the axle center of central shaft
Stating wheel also includes connector, and described connector one end connects with gear-box, and described connector one end connects with wheel mount, described
One the second cable tray run through, the first cable tray and the second cable tray connection are set on connector.
Compared with prior art, dolly of the invention includes vehicle frame, vehicle bridge and multiple wheels, and the vehicle bridge includes relative set
The first end and the second end put, the vehicle bridge are rotatably connected close to the position of first end and vehicle frame, and the vehicle bridge is leaned on
The position of nearly the second end and vehicle frame elastic connection, the wheel are connected to the first end and the second end of vehicle bridge, when
When roughness pavement is advanced, the vehicle bridge rotates the dolly around the position that vehicle bridge and vehicle frame are rotatably connected, and the car
The distance between wheel, vehicle bridge and vehicle frame change back and forth in the presence of a tensile force, the energy of dolly vibrations in vehicle bridge and vehicle frame one
Hold in the acting of relative motion and be consumed, the other end of vehicle bridge and vehicle frame is rotatably connected, and the distance between vehicle bridge and vehicle frame become
Change is smaller, makes dolly shockproof, is integrated with vibrations slightly, shockproof properties are excellent, and the shockproof effect than prior art significantly carries
Height, road surface adaptability further improve.
The dolly of the present invention also includes damper, and the vehicle bridge passes through damper and vehicle frame bullet close to the position of the second end
Property connection, damper can preferably consume dolly vibrations caused by energy, trolley travelling is more steady, dolly move when shake
It is small.
The dolly of the present invention also includes controller, and the damper includes damper, and controller is connected to damper, described
Controller controls the damping change of damper according to pavement behavior, and dolly can adapt to different road surfaces, is attained by well
Damping effect, increase the adaptability of dolly.
The vehicle bridge of the present invention is more steady in " several " font, rational in infrastructure, reduction dolly center, trolley travelling.
A slot to make way is opened up on the 4th plate body of the present invention, the slot to make way is from the 4th plate body away from the 3rd plate body one end
End face is opened up to the 3rd plate body close to one end of the 3rd time body, and the shock absorber section is arranged in slot to make way and and slot to make way
Bottom is rotatably connected, and slot to make way opens up the weight for alleviating vehicle bridge, and reduces the height of dolly, reduces in dolly
The heart, reduce the volume of dolly, reduce the cost of dolly.
The dolly of the present invention also includes position-limit mechanism, first stopping means of the position-limit mechanism including split settings and the
Two stopping means, first stopping means and the second stopping means one of both are fixedly connected with vehicle frame, another one and vehicle bridge
It is fixedly connected, second stopping means is at least partially housed in the first stopping means, and limitation vehicle frame is horizontal with respect to vehicle bridge edge
Face direction is moved, and dolly is advanced more stable, will not be deformed easily, the performance of dolly further improves.
The dolly of the present invention also includes fixed mechanism, first fixing device of the fixed mechanism including split settings and the
Two fixing devices, first fixing device and the second fixing device one of both are fixedly connected with vehicle frame, another one and vehicle bridge
It is fixedly connected, first fixing device and the second fixing device can be fixed together, and limitation vehicle frame is with respect to vehicle bridge along vertical water
In-plane is moved, and when to handling goods on dolly, vehicle bridge and vehicle frame are relatively fixed, and dolly will not rock, and handling goods is more
Safety
For the motor of the present invention by gear-box driving moment seat rotatably to realize the 360 of wheel ° of steerings, dolly is arbitrarily square
To movement, turn to not by obstacle, turning efficiency is good, turns to the adaptability for quickly, increasing dolly.
The braking driver element of the present invention can promote two clamping elements close to each other and clamp brake disc with mobile, dolly can and
When brake, and brake when produce heat it is low, braking effect is good.
The gear-box of the present invention is hollow reductor, and the first cable tray is provided with the axle center of central shaft, described
Wheel also includes connector, and described connector one end connects with gear-box, and described connector one end connects with wheel mount, the company
One the second cable tray run through, the first cable tray and the second cable tray connection are set on fitting, and the first cabling leads to
Road and the second cable tray are used on car wheel be routed through, and when dolly wheel rotates, line will not be because wheel be toward same
Direction turnning circle is excessive and breaks.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of dolly of the present invention.
Fig. 2 is the side structure schematic view of dolly of the present invention.
Fig. 3 is the main structure diagram of dolly of the present invention.
Fig. 4 is the sectional perspective structural representation of dolly of the present invention.
Fig. 5 is the dimensional structure diagram of damper of the present invention.
Fig. 6 is anti-tilt device of the present invention, damper, the dimensional structure diagram of limiting plate connection.
Fig. 7 is the partial structural diagram of the dolly of the present invention.
Fig. 8 is the structural representation at another visual angle in Fig. 7.
Fig. 9 is the structural representation of the car wheel of the present invention.
Figure 10 is the dimensional structure diagram of the dolly connector of the present invention.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
Referring to Fig. 1, the present invention provides a kind of dolly 1, the dolly 1 includes vehicle body 10 and wheel 30, wheel 30 and vehicle body
10 connections.Wheel 30 can drive vehicle body 10 to move in running.
Also referring to Fig. 2 to Fig. 4, vehicle body 10 includes vehicle frame 11 and two vehicle bridge 12, respectively the first vehicle bridge 13 and
Two vehicle bridge 15.First vehicle bridge 13 and the second vehicle bridge 15 are respectively positioned at vehicle frame 11 parallel to the relative both sides of the moving direction of dolly 1.The
One vehicle bridge 13 includes the first end 131 and the second end 132 being oppositely arranged, and the first vehicle bridge 13 is close to the position of first end 131
Put and connected with the rotating shaft of vehicle frame 11, first vehicle bridge 13 is close to the position of the second end 132 and the elastic connection of vehicle frame 11, the car
Wheel 30 is connected to the first end 131 and the second end 132 of the first vehicle bridge 13, when the dolly 1 is in roughness pavement row
When entering, first vehicle bridge 13 rotates around the position that the first vehicle bridge 13 connects with the rotating shaft of vehicle frame 11, and the wheel 30, the first car
The distance between bridge 13 and vehicle frame 44 change back and forth in the presence of a tensile force.It is appreciated that the both ends connection of the first vehicle bridge 13
The quantity of wheel 30 do not limit one, it can also be multiple.
Vehicle body 10 also includes anti-tilt device 17 and damper 19.A part for anti-tilt device 17 is fixedly connected with vehicle frame 11,
Anti-tilt device 17 passes through two dampers 19 and the elastic connection of two vehicle bridge 12 simultaneously.Damper 19 is hit scalable after power and rushed
Restored to the original state after hitting power revocation.When dolly 1 is advanced in roughness pavement, the damper 19 is compressed, and damper 19 can contract
Short and elongation, damper 19 produce elastic force to vehicle bridge 12 and anti-tilt device 17, and the relative frame 11 of vehicle bridge 12 rotates, vehicle bridge 12,
The distance between wheel 30 and vehicle frame 11 change back and forth in the presence of a tensile force.Vehicle frame 11 can be more stable, the shockproof effect of dolly 1
More preferably.
First vehicle bridge 13 also includes the pars intermedia (non-label) being connected between first end 131 and the second end 132.The
One vehicle bridge 13 connects close to the position of first end 131 with the rotating shaft of vehicle frame 11, and the first vehicle bridge 13 is close to the position of the second end 132
Pass through damper 19 and the elastic connection of anti-tilt device 17.Preferably, at least one of height of the height of pars intermedia is less than first
End 131 and/or the second end 132.Preferably, for the height of pars intermedia simultaneously less than the height at both ends, the center of gravity of dolly 1 is low,
Advance more steady.In the present embodiment, first end 131 is equal with the height of the second end 132.Selected as one kind, the
One vehicle bridge 13 also includes the first plate body 135, the second plate body 136, the 3rd plate body 137, the 4th plate body 138 and the 5th plate body 139.The
Head and the tail connection is in fall successively for one plate body 135, the second plate body 136, the 3rd plate body 137, the 4th plate body 138 and the 5th plate body 139
" several " font.The place end of first plate body 135 is first end 131, and the place end of the 5th plate body 139 is the second end 132.It is excellent
Selection of land, the first plate body 135, the 3rd plate body 137 and the 5th plate body 139 are roughly parallel to horizontal plane.Preferably, the second plate body 136
With 138 substantially vertical horizontal plane of the 4th plate body.Preferably, the position and car that the second plate body 136 is fixedly connected with the 3rd plate body 137
The rotating shaft of frame 11 connects, to reduce the center of gravity of dolly 1.A slot to make way 1381, slot to make way 1381 from the 4th are opened up on 4th plate body 138
End face of the plate body 138 away from the one end of the 3rd plate body 137 is opened up to the 4th plate body 137 close to one end of the 3rd plate body 137, damper
19 parts are arranged in slot to make way 1381 and connected with the bottom rotating shaft of slot to make way 1381.When dolly 1 is advanced in roughness pavement
When, damper 19 stretches back and forth, the vehicle bridge 13 of wheel 30 and first to be rotated centered on the tie point of the first vehicle bridge 13 and vehicle frame 11,
And the distance between wheel 30, the first vehicle bridge 13 and vehicle frame 11 change back and forth.It is appreciated that heretofore described " multiple " are
" two and two or more ".
Second vehicle bridge 15 includes the 3rd end (non-label) and the 4th end (non-label) etc..The structure of second vehicle bridge 15 and
The structure of first vehicle bridge 13 is consistent, the connection knot of the second vehicle bridge 15 and damper 19, anti-tilt device 17, vehicle frame 11, wheel 30 etc.
Structure is all consistent, therefore the present invention no longer introduces.What deserves to be explained is the first vehicle bridge 13, the second vehicle bridge 15 connect with the rotating shaft of vehicle frame 11
One end be located at same one end of dolly 1, both the 3rd end and first end 131 were located at same one end of dolly 1.It is it is appreciated that small
Car 1 also can only set a vehicle bridge 12, and vehicle bridge 12 is located at the vertical middle part of dolly 1, such as the dolly of existing two wheels.
It please join and refer to Fig. 5 and Fig. 6 in the lump, damper 19 has multiple, and each damper 19 includes damper 191 and elastic component
192, damper 191 and elastic component 192 correspond.Damper 191 and elastic component 192 are scalable after stress and removed in power
Restored to the original state after pin, when by impulsive force on the direction of road surface, damper 191 shortens, and elastic component 192, which is pressurized, to be provided
Cushion effect, when impulsive force cancels, damper 191 and elastic component 192 restore to the original state.Elastic component 192 is preferably spring.Damper
19 be preferably MR vibration damper or spring damper or hydraulic damper or CDC dampers.Each elastic component 192 is arranged respectively
On a damper 191.The one end of damper 191 connects with the rotating shaft of the first vehicle bridge 13, the other end of damper 191 and anti-tilt device 17
Rotating shaft connects.The connecting portion of the vehicle bridge 13 of damper 191 and first is less than the second end 132 or first end 131.It can manage
Solution, damper 19 can not also be connected by anti-tilt device 17 with the rotating shaft of vehicle frame 11, and damper 19 directly can connect with the rotating shaft of vehicle frame 11
Connect, integrally formed axle, bar or the plank of projection are such as set on vehicle frame 11, it is integrally formed on damper 19 and vehicle frame 11
Axle, bar or plank rotating shaft connection.
Preferably, dolly 1 also includes controller and sensor (non-view), and controller and sensor can be as needed
It is arranged on vehicle frame 11 or the grade part of damper 1533.The controller is electrically connected at sensor and damper.The control
The pavement behavior that device is sensed according to sensor controls the damping change of damper.The parameter that sensor is sensed is included but not
It is defined in the flatness on road surface, the vibration amplitude of dolly 1, the bearing capacity of dolly 1, the speed of service, suffered impulsive force etc.
One or more.
The bottom of anti-tilt device 17 is fixedly connected with vehicle frame 11, the relative both ends of anti-tilt device 17 and the rotating shaft of damper 19
Connection.When dolly 1 is advanced in roughness pavement, damper 19 compresses produces elastic force, anti-tilt device 17 to anti-tilt device 17
Reaction force can be produced to damper 19, anti-tilt device 17 is unlikely to deform, and prevents dolly 1 from toppling over.It is appreciated that anti-tilt device 17
It can be integrally formed with vehicle frame 11.
Also referring to Fig. 6 to Fig. 8, the vehicle body 10 of dolly 1 also includes position-limit mechanism (non-label).Position-limit mechanism includes dividing
The first stopping means 25 and the second stopping means 27 that body is set.First stopping means 25 and the one of both of the second stopping means 27
It is fixedly connected with vehicle frame 11, another one is fixedly connected with the first vehicle bridge 13, and the second stopping means 27 is at least partially housed in first
In stopping means 25, limitation vehicle frame relative to vehicle bridge, move along the horizontal plane by direction.In the present embodiment.First stopping means 25 and
One vehicle bridge 13 is fixedly connected, and the second stopping means 27 is fixedly connected with vehicle frame 11.
A second stopping means 27 preferably limiting plate, the substantially vertical horizontal plane of limiting plate.Limiting plate is in the width direction
The first stopping means 25 is contained in, the width of limiting plate is gradually reduced from close to the one end of the one end on road surface to remote road surface.It is excellent
Selection of land, limiting plate 27 curved gradually change in the shape of width.Vehicle bridge 12 connects around the rotating shaft of vehicle frame 11, therefore limiting plate 27
It is curved, it is that the rotation of vehicle bridge 12 is stepped down, prevents limiting plate 27 and vehicle bridge 12 from interfering.
First stopping means 25 includes connecting plate 251, and connecting plate 251 is fixedly connected with the first vehicle bridge 13, on connecting plate 251
The gap of one vertical level is set, so that limiting plate is partially received in gap, namely in inserted into gap.Specifically, first
Stopping means 25 also includes two slide rails 254 and multiple rotating rollers 252.Slide rail 254 is parallel to be fixed on connecting plate 251, multiple
Rotating roller 252 is arranged on slide rail 254, and rotating roller 252 can rotate relative to slide rail 254 and connecting plate 251.Rotating roller 252 is formed
Two rows, the place straight line of slide rail 254, often arrange straight line where rotating roller 252 and horizontal plane is substantially vertical, two row's rotating rollers 252 it
Between form the gap 253, limiting plate inserts in the gap 253 in the width direction.Thickness of the width in gap than limiting plate
Big 0-3mm, preferably 0-2mm, more preferably 0-1mm, 0-0.8mm.It is appreciated that rotating roller 252 can be not provided with, limit
Position plate 27 is between slide rail 254.It is appreciated that slide rail 254 can be not provided with, rotating roller 252 forms two rows, each rotating roller
252 and connecting plate 251 be rotatably connected, form gap between two row's rotating rollers 252.It is appreciated that can not also be in connecting plate
Fixed rack 254 on 251, limit sliding chutes are opened up on connecting plate 251 to form slide rail.
The vehicle body 10 of dolly 1 also includes fixed mechanism (non-label), and fixed mechanism includes the first fixation dress of split settings
21 and second fixing device 23 are put, the first fixing device 21 is fixedly connected with the one of both of the second fixing device 23 with vehicle frame 11,
Another one is fixedly connected with the first vehicle bridge 13, and the fixing device 23 of the first fixing device 21 and second can be fixed together, car
The vehicle bridge 13 of frame 11 and first at least limits vehicle frame 11 with respect to shifting of first vehicle bridge 13 on vertical level direction into an entirety
Dynamic, toward when placing or unload goods etc. on dolly 1, dolly 1 will not teetertotter, and not interfere with arrangement of goods or unloading.
In the present embodiment.First fixing device 21 is fixedly connected with vehicle frame 11, and the second fixing device 23 and the first vehicle bridge 13 are fixed and connected
Connect.
Second fixing device 23 is preferably a fixed plate.Fixed plate is fixed in the first vehicle bridge 13.Preferably, fixed plate 23
It is substantially vertical with horizontal plane.Deformed as one kind, the second fixing device is fixed on by the connecting plate 251 of the first stopping means 25
In first vehicle bridge 13.
First fixing device 21 is preferably a clamping device, and the second fixing device 23 is clamped when fixing device 21 works,
First vehicle bridge 13 and vehicle frame 11 can be integrally fixed.Specifically, the first fixing device 21 includes driver element 211 and at least two
Clamping element 212, driver element 211 are fixed on vehicle frame, and clamping element 212 is fixedly connected with driver element 211, in the fixed plate
Both sides in an at least clamping element 212 is respectively set per side, driver element 211 can promote two clamping elements 212 close to each other to move
The dynamic plate that is fixedly clamped.In the present embodiment, clamping device is preferably a disk brake, and disk brake presss from both sides under hydraulic-driven
Fasten fixed board 23.Disk brake is brake of the prior art, and the present invention is no longer further described its concrete structure.This hair
The bright fixing device 21 brake conversion for dolly 1, it is simple in construction, realize clamping function.
It is appreciated that the second vehicle bridge 15 and the attachment structure of position-limit mechanism, and the first vehicle bridge 13 and the connection of position-limit mechanism
Structure is consistent；Second vehicle bridge 15 and the attachment structure of fixed mechanism, and the first vehicle bridge 13 are consistent with the attachment structure of position-limit mechanism,
The present invention no longer introduces.
Also referring to Fig. 9 and Figure 10, wheel 30 includes wheel 38, motor 31, gear-box 32, wheel mount 33, brake disc
37 and brake 36.Motor 31 and gear-box 32 are fixed in vehicle bridge 12, and the rotary shaft and gear-box 32 of motor 31 connect, gear
Case 32 and wheel mount 33 connect, and wheel 38 and brake disc 37 are coaxially connected and be rotatably connected with wheel mount 33, the He of brake 36
Wheel mount 33 is fixedly connected.The rotary shaft rotational driving gear case 32 of motor 31 rotates, and then drives wheel mount 33,38 turns of wheel
Move to realize the 360 of wheel 38 ° of rotations, and turn to flexible；Brake disc 37 is clamped when brake 36 works prevents wheel 38 from rotating,
Dolly 1 realizes brake.It is appreciated that wheel 38 realizes 360 ° of rotations, its central axis rotated rotates real in road surface, wheel
The steering of existing dolly.
Motor 31 is preferably stepper motor, and its rotating speed can realize control and accurate, and the distance that dolly 1 moves is accurate.Motor
31 are alternatively common electric machine.Motor 31 can realize rotating, so as to which dolly 1 can left and right turn；Motor 31 can connect in same direction
Continuous to rotate, wheel 38 can rotate as universal wheel.
Gear-box 32 is preferably worm-gear speed reducer.The attachment structure of gear-box 32 and the rotary shaft of motor 31 is preferably key
Connection.Gear-box 32 is preferably hollow gear-box, namely hollow reductor, and being provided with first at the axle center of central shaft walks
Line passage (non-label), the first cable tray passes through for electric conduction routing.
Wheel 30 also includes connector (non-label), and connector is used for tooth connection roller box 32 and wheel mount 33.The connection
The central axis of part is provided with the second cable tray (non-label), the first cable tray and the connection of the second cable tray.In this way, car
Electric conduction routing on wheel 30 is connected through the first cable tray and the second cable tray with the device electric outside wheel 30, wheel
38 when rotating for 360 °, is not in circuit winding.Specifically, connector includes connecting rod 34 and flange 35, connecting rod 34 is inserted
Enter in gear-box 32 and gear-box 32 connects.Connecting rod 34 and the attachment structure of gear-box 32 are preferably key connection.Connecting rod 34
It is fixedly connected by flange 35 with wheel mount 33, gear-box 32 rotates and then drives connecting rod 34,33 turns of flange 35 and wheel mount
It is dynamic.Preferably, connecting rod 34 and flange 35 are integrally formed.Second cable tray axially penetrates through connecting rod 34 and flange 35 simultaneously.
Wheel mount 33 is L-shaped, and its one end is fixedly connected with flange 35, and the other end and wheel 38 are rotatably connected.Wheel
Hole is opened up to be fixedly connected with brake 36 on seat 33.
Brake 36 includes braking driver element (not shown) and at least two drag friction part (not shown), braking driving
Unit is fixed on wheel mount 33, and drag friction part is fixedly connected with braking driver element, each in the both sides of brake disc 37
Side respectively sets an at least drag friction part, and the hydraulic wheel unit can promote drag friction part close to each other and be made with mobile clamp
Moving plate 37 prevents wheel 38 from rotating.Brake 36 is preferably disk brake.Disc-like brake structure is simple, good braking effect,
And it is relatively low to produce heat.It is a kind of embodiment of disk brake in the present embodiment, disk brake is in the prior art
Brake, the present invention be no longer further described its concrete structure.
Multiple heat emission hole (not shown) are opened up in brake disc 37.Preferably, heat emission hole is with the eccentric axial pair of brake disc 37
Claim.Preferably, heat emission hole is through hole.
Motor (not shown) is provided with wheel 38, driving dolly 1 moves when motor works.Wheel 38 includes
Tire.Preferably, tire exempts from inflation air tyre for what rubber made, and its earth-grasping force is good, and durability is more preferable.Preferably, tire
Surface setting decorative pattern, tire earth-grasping force are more preferable.
Deformed as one kind, wheel includes wheel and rotating shaft, and wheel is fixedly connected in rotating shaft and by rotating shaft and wheel
Seat is rotatably connected, and the wheel further comprises the second brake assemblies 39, and the second brake assemblies 39 are fixed on wheel mount, its
Preferably electromagnetic brake, when electromagnetic brake acts, at least a portion of electromagnetic brake locks the rotating shaft to prevent to take turns
Son rotates.In this way, vehicle wheel component can realize the parking on level road or slope.
The structure of dolly 1 of the present invention is applied to AGV (Automated Guided Vehicle, automatic guided vehicle), namely
AGV dollies.AGV dollies are to displacement, and damping performance requires higher, and the structure of dolly 1 of the invention is more perfect, shockproof properties,
Turning efficiency is more preferable.It is appreciated that disclosed technical scheme be also applicable in other be used for it is mobile or transport small
Che Shang, such as cruiser, transfer car(buggy), electric car, logistic car.
It is appreciated that heretofore described rotary shaft connection is to be connected with each other and can surround both between two elements
Tie point relatively rotates.Concrete structure as the one end of damper 191 connects with the rotary shaft of the first vehicle bridge 13 is same for an axle
When pass through the one end of damper 191 and the first vehicle bridge 13, in this way, the axle is both tie points, damper 191 can be with this
Axle is that axle center is rotated relative to the first vehicle bridge 13.Rotary shaft structure is not especially limited, and it can also be globe joint structure
Or other can realize the structure of relative rotation.
When in use, dolly 1 needs to move, and the motor work of wheel 30, dolly 1 moves；Dolly 1 is in rough road
When face is advanced, the overall relative frame 11 of its vehicle bridge 12 rotates, and one end relative frame 11 of vehicle bridge 12 moves back and forth, and kinetic energy is eliminated
In the acting of damper 19；And stopping means 25 and limiting plate 27 limit vehicle bridge 12 and swung, ensure that dolly 1 is run flat
Stability, in 1 handling goods of dolly, fixing device 21 fixes fixed plate 23, is integral vehicle bridge 12 and vehicle frame 11, vehicle bridge
12 and vehicle frame 11 be relatively fixed, dolly 1 will not rock, and handling goods is safer.
Compared with prior art, dolly of the invention includes vehicle frame, vehicle bridge and multiple wheels, and the vehicle bridge includes relative set
The first end and the second end put, the vehicle bridge are rotatably connected close to the position of first end and vehicle frame, and the vehicle bridge is leaned on
The position of nearly the second end and vehicle frame elastic connection, the wheel are connected to the first end and the second end of vehicle bridge, when
When roughness pavement is advanced, the vehicle bridge rotates the dolly around the position that vehicle bridge and vehicle frame are rotatably connected, and the car
The distance between wheel, vehicle bridge and vehicle frame change back and forth in the presence of a tensile force, the energy of dolly vibrations in vehicle bridge and vehicle frame one
Hold in the acting of relative motion and be consumed, the other end of vehicle bridge and vehicle frame is rotatably connected, and the distance between vehicle bridge and vehicle frame become
Change is smaller, makes dolly shockproof, is integrated with vibrations slightly, shockproof properties are excellent, and the shockproof effect than prior art significantly carries
Height, road surface adaptability further improve.
The dolly of the present invention also includes damper, and the vehicle bridge passes through damper and vehicle frame bullet close to the position of the second end
Property connection, damper can preferably consume dolly vibrations caused by energy, trolley travelling is more steady, dolly move when shake
It is small.
The dolly of the present invention also includes controller, and the damper includes damper, and controller is connected to damper, described
Controller controls the damping change of damper according to pavement behavior, and dolly can adapt to different road surfaces, is attained by well
Damping effect, increase the adaptability of dolly.
The vehicle bridge of the present invention is more steady in " several " font, rational in infrastructure, reduction dolly center, trolley travelling.
A slot to make way is opened up on the 4th plate body of the present invention, the slot to make way is from the 4th plate body away from the 3rd plate body one end
End face is opened up to the 3rd plate body close to one end of the 3rd time body, and the shock absorber section is arranged in slot to make way and and slot to make way
Bottom is rotatably connected, and slot to make way opens up the weight for alleviating vehicle bridge, and reduces the height of dolly, reduces in dolly
The heart, reduce the volume of dolly, reduce the cost of dolly.
The dolly of the present invention also includes position-limit mechanism, first stopping means of the position-limit mechanism including split settings and the
Two stopping means, first stopping means and the second stopping means one of both are fixedly connected with vehicle frame, another one and vehicle bridge
It is fixedly connected, second stopping means is at least partially housed in the first stopping means, and limitation vehicle frame is horizontal with respect to vehicle bridge edge
Face direction is moved, and dolly is advanced more stable, will not be deformed easily, the performance of dolly further improves.
The dolly of the present invention also includes fixed mechanism, first fixing device of the fixed mechanism including split settings and the
Two fixing devices, first fixing device and the second fixing device one of both are fixedly connected with vehicle frame, another one and vehicle bridge
It is fixedly connected, first fixing device and the second fixing device can be fixed together, and limitation vehicle frame is with respect to vehicle bridge along vertical water
In-plane is moved, and when to handling goods on dolly, vehicle bridge and vehicle frame are relatively fixed, and dolly will not rock, and handling goods is more
Safety
For the motor of the present invention by gear-box driving moment seat rotatably to realize the 360 of wheel ° of steerings, dolly is arbitrarily square
To movement, turn to not by obstacle, turning efficiency is good, turns to the adaptability for quickly, increasing dolly.
The braking driver element of the present invention can promote two clamping elements close to each other and clamp brake disc with mobile, dolly can and
When brake, and brake when produce heat it is low, braking effect is good.
The gear-box of the present invention is hollow reductor, is provided with the first cable tray at central shaft, the wheel is also
Including connector, described connector one end connects with gear-box, and described connector one end connects with wheel mount, on the connector
One the second cable tray for running through is set, the first cable tray and the second cable tray connection, the first cable tray and the
Two cable tray are used on car wheel be routed through, and when dolly wheel rotates, line will not be because wheel be toward same direction turn
Moving-coil number is excessive and breaks.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all originals in the present invention
Any modification made within then, equivalent substitution and improvement etc. all should be included within protection scope of the present invention.
Claims (10)
- A kind of 1. dolly, it is characterised in that：The dolly includes vehicle frame, vehicle bridge and multiple wheels, and the vehicle bridge includes relative set The first end and the second end put, the vehicle bridge are rotatably connected close to the position of first end and vehicle frame, and the vehicle bridge is leaned on The position of nearly the second end and vehicle frame elastic connection, the wheel are connected to the first end and the second end of vehicle bridge, when When roughness pavement is advanced, the vehicle bridge rotates the dolly around the position that vehicle bridge and vehicle frame are rotatably connected, and the car The distance between wheel, vehicle bridge and vehicle frame change back and forth in the presence of a tensile force.
- 2. dolly as claimed in claim 1, it is characterised in that：The dolly also includes damper, and the vehicle bridge is close to second The position of end passes through damper and vehicle frame elastic connection.
- 3. dolly as claimed in claim 2, it is characterised in that：The dolly also includes controller, and the damper includes resistance Buddhist nun's device, controller are connected to damper, and the controller controls the damping change of damper according to pavement behavior.
- 4. dolly as claimed in claim 2, it is characterised in that：The vehicle bridge includes the first plate body, the second plate body, the 3rd plate Body, the 4th plate body and the 5th plate body, first plate body, the second plate body, the 3rd plate body, the 4th plate body and the 5th plate body are first successively Tail connection is in " several " font, and end where first plate body is first end, and end where the 5th plate body is the second end.
- 5. dolly as claimed in claim 4, it is characterised in that：A slot to make way, the slot to make way are opened up on 4th plate body Opened up from the 4th end face of the plate body away from the 3rd plate body one end to the 4th plate body close to one end of the 3rd plate body, the damper portion Divide and be arranged in slot to make way and be rotatably connected with the bottom of slot to make way.
- 6. dolly as claimed in claim 1, it is characterised in that：The dolly also includes position-limit mechanism, the position-limit mechanism bag Include the first stopping means and the second stopping means of split settings, first stopping means and the second stopping means one of both It is fixedly connected with vehicle frame, another one is fixedly connected with vehicle bridge, and second stopping means is at least partially housed in the first spacing dress In putting, limitation vehicle frame relative to vehicle bridge, move along the horizontal plane by direction.
- 7. dolly as claimed in claim 1, it is characterised in that：The dolly also includes fixed mechanism, the fixed mechanism bag Include the first fixing device and the second fixing device of split settings, first fixing device and the second fixing device one of both It is fixedly connected with vehicle frame, another one is fixedly connected with vehicle bridge, and first fixing device and the second fixing device can be fixed on one Rise, at least limit movement of the vehicle frame relative to vehicle bridge on vertical level direction.
- 8. dolly as claimed in claim 1, it is characterised in that：The wheel includes wheel mount, motor, gear-box and wheel, The motor and gear-box are fixed in vehicle bridge, and the rotary shaft of the motor connects with gear-box, the gear-box and wheel mount Connection, the wheel mount and wheel are rotatably connected, and the motor is rotated by gear-box driving moment seat to realize wheel 360 ° of steerings.
- 9. dolly as claimed in claim 1, it is characterised in that：The wheel also includes wheel, wheel mount, brake disc and braking Device, the wheel mount connect with vehicle bridge, and the wheel and wheel mount are rotatably connected, and the brake includes braking driver element With two-system dynamic friction piece, the braking driver element is fixed on wheel mount, and the drag friction part and braking driver element are consolidated Fixed connection, the wheel and brake disc are coaxially connected and be rotatably connected with wheel mount, and the brake is fixed on wheel mount, An at least drag friction part is respectively set in the both sides of the brake disc per side, and the braking driver element can promote two brakings Friction member is close to each other to prevent wheel from rotating with the mobile brake disc that clamps.
- 10. dolly as claimed in claim 8, it is characterised in that：The gear-box is hollow reductor, the axle of central shaft The first cable tray is provided with the heart, the wheel also includes connector, and described connector one end connects with gear-box, the company Fitting one end connects with wheel mount, sets second cable tray that runs through on the connector, first cable tray and Second cable tray connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829421.9A CN107804128B (en) | 2017-09-14 | 2017-09-14 | Trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829421.9A CN107804128B (en) | 2017-09-14 | 2017-09-14 | Trolley |
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| Publication Number | Publication Date |
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| CN107804128A true CN107804128A (en) | 2018-03-16 |
| CN107804128B CN107804128B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710829421.9A Active CN107804128B (en) | 2017-09-14 | 2017-09-14 | Trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109165893A (en) * | 2018-08-02 | 2019-01-08 | 朱圣旭 | A kind of warehouse logistics fast distribution method |
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| Publication number | Publication date |
|---|---|
| CN107804128B (en) | 2021-10-01 |
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