CN110357006A - Shuttle and its pallet fork - Google Patents
Shuttle and its pallet fork Download PDFInfo
- Publication number
- CN110357006A CN110357006A CN201810892699.5A CN201810892699A CN110357006A CN 110357006 A CN110357006 A CN 110357006A CN 201810892699 A CN201810892699 A CN 201810892699A CN 110357006 A CN110357006 A CN 110357006A
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- China
- Prior art keywords
- pulley
- pedestal
- forearm
- transmission belt
- middle arm
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The present invention discloses a kind of shuttle and its pallet fork.Shuttle includes pallet fork.Pallet fork includes: telescopic arm (2), including pedestal (21)；Middle arm (22), is slidably connected with the pedestal (21)；Forearm (23) is slidably connected with the middle arm (22)；Pulley (25) is arranged on the middle arm (22)；Transmission belt (24), both ends are connected on the pedestal (21) and the forearm (23), change extending direction around the pulley (25), and conductive；Electric appliance component is mounted on the forearm (23), and transmits electric signal and/or transmission electric energy by the transmission belt (24)；Wherein, when sliding on the pedestal (21), the pulley (25) affects the transmission belt (24) and the forearm (23) is driven to slide to same direction the middle arm (22).The height of this pallet fork is low, small in size.
Description
Technical field
This invention relates generally to a kind of logistics technology, in particular to a kind of shuttle and its pallet fork.
Background technique
With the development of society, people greatly promote production and living data-requirements, the exchange of commodities, quantity in circulation and frequency
Secondary swift and violent increase, promotes the development of Express Logistics industry.Shuttle is as a kind of important transporting equipment, in tiered warehouse facility
It is back and forth run on shuttle shelf, can be realized the storage outbound of container, substantially increase sorting efficiency, be widely used in food
The industries such as drug, luggage processing, express mail service and industrial logistics.
A kind of existing shuttle is provided with pallet fork.Pallet fork includes telescopic arm and the electrical installation that is arranged on telescopic arm.
Telescopic arm can extend and shorten.Telescopic arm includes multiple cantilever cranes.Multiple cantilever cranes are sequentially connected.Each adjacent two cantilever crane is opposite simultaneously
Sliding is able to achieve the elongation and shortening of cantilever crane.The cantilever crane of least significant end is arranged on the car body of shuttle, and electrical installation is arranged most
On the cantilever crane of front end.
Electrical installation needs on the car body by cable connection to shuttle, stretches in order to avoid the cable in telescopic arm
It damages, the cable is arranged in drag chain in the process usually.Usual drag chain volume is larger, can occupy biggish space, this just makes
Pallet fork height get higher, volume becomes larger.
When the height of pallet fork is got higher, the height of shuttle increases accordingly, the shuttle shelf matched with shuttle it is every
Layer pallet height is also required to accordingly increase, and will lead to the filling rate for reducing the warehouse in this way.Meanwhile it also will increase using drag chain
The cost of shuttle and fault point reduce the reliability of shuttle.
Above- mentioned information are only used for reinforcing the understanding to background of the invention, therefore it disclosed in the background technology part
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.The key that this part of the disclosure is not meant to attempt to limit technical solution claimed is special
It seeks peace essential features, does not mean that the protection scope for attempting to determine technical solution claimed more.
A technical problem to be solved by this invention is how to reduce the volume of shuttle.
A primary object of the present invention is to overcome at least one defect of the above-mentioned prior art, provides a kind of pallet fork,
Comprising: telescopic arm, including pedestal；Middle arm is slidably connected with the pedestal；Forearm is slidably connected with the middle arm；Pulley,
It is arranged on the middle arm；Transmission belt, both ends are connected on the pedestal and the forearm, are changed and are prolonged around the pulley
Direction is stretched, and conductive；Electric appliance component is mounted on the forearm, and transmits electric signal and/or transmission electricity by the transmission belt
Energy；Wherein, when sliding on the pedestal, the pulley affects the transmission belt and drives the forearm along same the middle arm
Direction sliding.
According to one embodiment of present invention, the transmission belt includes the flexible substrate of strip and is arranged described soft
Property matrix on and along flexible substrate extend conducting wire；
The electric appliance component is electrically connected the conducting wire, and the periphery wall of the flexible substrate and the pulley abuts against, described
The both ends of flexible substrate are respectively fixed on the forearm and the pedestal.
According to one embodiment of present invention, the conducting wire is arranged in the flexible substrate.
According to one embodiment of present invention, the cross section of the flexible substrate is strip, the flexible substrate insulation；
The conducting wire is provided with more, and extending direction of the more conducting wires along the cross section is arranged side by side, and adjacent two
Conducting wire described in root separates.
According to one embodiment of present invention, the flexible substrate is made of rubber, and the conducting wire is wire.
According to one embodiment of present invention, the electric appliance component includes shifting fork mechanism,
The shifting fork mechanism includes the yoke bar being hinged on the forearm and for driving the yoke bar to rotate
Motor；
The motor is electrically connected the conducting wire.
According to one embodiment of present invention, the electric appliance component includes sensor, is led described in the sensor electrical connection
Line.
According to one embodiment of present invention, glide direction of the middle arm on the pedestal is with the forearm described
Glide direction on middle arm is parallel；
The pulley is arranged between the forearm and the pedestal, and the axis of the pulley is perpendicular to the middle arm in institute
State the glide direction on pedestal.
According to one embodiment of present invention, the telescopic arm further includes the first guide rail, parallel with first guide rail
Second guide rail, is arranged on first guide rail and can be along the first sliding block and setting that first guide rail slides described the
And it can be along second sliding block of second guide rail sliding on two guide rails；
One in first sliding block and first guide rail is connected on the pedestal, first sliding block and described
Another in first guide rail is connected on the middle arm；
One in second sliding block and second guide rail is connected on the middle arm, second sliding block and described
Another in second guide rail is connected on the forearm.
According to one embodiment of present invention, the pedestal and the forearm are separately positioned on opposite two of the middle arm
Side, the pulley are arranged between the pedestal and the forearm.
According to one embodiment of present invention, the middle arm, the forearm and the pedestal are all provided with that be set to extending direction flat
Row is in the strip plate of first guide rail.
According to one embodiment of present invention, there are two the pulley settings, two pulleys are respectively first pulley
And second pulley；The transmission belt is provided with two, and two transmission belts are respectively the first transmission belt and the second transmission belt；
The axis of the first pulley and the second pulley is parallel to each other, the first pulley and the second pulley point
The both ends of the middle arm are not set；
First transmission belt changes extending direction by first pulley, and the both ends of first transmission belt are to close
The direction of the second pulley extends；
Second transmission belt changes extending direction by second pulley, and the both ends of second transmission belt are to close
The direction of the first pulley extends.
According to one embodiment of present invention, the telescopic arm further includes driving mechanism, for driving the middle arm opposite
It is slided in the pedestal.
Invention also proposed a kind of shuttle comprising pallet fork as described above.
As shown from the above technical solution, it the advantages of pallet fork of the invention and has the active effect that
The cooperation of transmission belt and pulley can make forearm slide and stretch out relative to middle arm, meanwhile, electric appliance component also passes through biography
Dynamic band transmitting electric signal and/or transmission electric energy, thus eliminate drag chain in the prior art, and the installation for saving drag chain is empty
Between, so that the height of pallet fork reduces, the volume of entire shuttle reduces.
Detailed description of the invention
Consider following the following detailed description of the embodiment of the present invention in conjunction with the accompanying drawings, various targets of the invention,
Feature and advantage will become apparent.Attached drawing is only exemplary diagram of the invention, is not necessarily drawn to scale.
In the accompanying drawings, same appended drawing reference always shows same or similar component.Wherein:
Fig. 1 is a kind of stereoscopic schematic diagram of shuttle shown according to an illustrative embodiments；
Fig. 2 is the schematic front view of a kind of telescopic arm in the extended state shown according to an illustrative embodiments；
Fig. 3 is schematic cross-sectional view of a kind of telescopic arm under retracted mode shown according to an illustrative embodiments；
Fig. 4 is a kind of schematic cross-sectional view of transmission belt shown according to an illustrative embodiments；
Fig. 5 is stereoscopic schematic diagram of a kind of telescopic arm under retracted mode shown according to an illustrative embodiments；
Fig. 6 is schematic cross-sectional view of a kind of telescopic arm under retracted mode shown according to an illustrative embodiments；
Fig. 7 is schematic rear view of a kind of telescopic arm under retracted mode shown according to an illustrative embodiments；
Fig. 8 is stereoscopic schematic diagram of a kind of telescopic arm under retracted mode shown according to an illustrative embodiments；
Wherein, the reference numerals are as follows:
1, pallet fork；10, shuttle；11, walking mechanism；12, car body；13, sensor；14, shifting fork mechanism；141, shift fork
Bar；142, motor；2, telescopic arm；21, pedestal；22, middle arm；23, forearm；24, transmission belt；241, flexible substrate；242, conducting wire；
25, pulley；26, driving motor；27, retarder；28, driving pulley；29, the second tensioning wheel；30, the first tensioning wheel；31, synchronous
Band；32, synchronous rack gear；33, the first guide rail；34, the first sliding block；35, the second guide rail；36, the second sliding block.
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, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
Referring to Fig.1, Fig. 1 shows one of the present embodiment shuttle 10.The shuttle 10 includes pallet fork 1, car body 12
With walking mechanism 11.Walking mechanism 11 and pallet fork 1 are arranged on car body 12.
Walking mechanism 11 supports car body 12.11 energy band shuttle 10 of walking mechanism is moved along walking track.
Pallet fork 1 is arranged on car body 12.Pallet fork 1 includes telescopic arm 2 and electric appliance component.Telescopic arm 2 can be set two.Two
A telescopic arm 2 is arranged in parallel.Two telescopic arms 2 can be stretched out to the same direction.Two telescopic arms 2 are arranged to stretch simultaneously
Out and retract.Electrical appliance also can be set multiple, be separately positioned on telescopic arm 2.Electrical appliance can be motor 142 and be also possible to
Sensor 13.
Referring to Fig. 2, each telescopic arm 2 includes pedestal 21, middle arm 22, forearm 23, pulley 25 and transmission belt 24.Pedestal 21
It is arranged on car body 12.It can be screw connection between pedestal 21 and car body 12.Growth bar shaped can be set in pedestal 21.
The strip parallel with pedestal 21 can be set into middle arm 22.Middle arm 22 is arranged on pedestal 21, and with pedestal 21
It is slidably connected.Middle arm 22 can slide on pedestal 21.
The parallel strip of Cheng Yuzhong arm 22 can be set in forearm 23.Forearm 23 be arranged on middle arm 22, and with middle arm 22
It is slidably connected.Forearm 23 can slide on middle arm 22.The direction that forearm 23 slides on middle arm 22 is with middle arm 22 on pedestal 21
The direction of sliding is parallel.
Referring to Fig. 3, pulley 25 is arranged on middle arm 22.Pulley 25 can be rolled around own axes.The shaft of pulley 25 is in
Arm 22 is fixedly connected.Pulley 25 is between pedestal 21 and forearm 23.The axis of pulley 25 is preferably with middle arm 22 in pedestal 21
On glide direction it is vertical.
Transmission belt 24 is strip, has flexibility.Transmission belt 24 is configured to conductive structure.Transmission belt 24 can transmit electricity
Signal and/or transmission electric energy.Transmission belt 24 includes first end and the second end opposite with first end.The first end of transmission belt 24 connects
It is connected to pedestal 21.The second end of transmission belt 24 is connected to forearm 23.The both ends of transmission belt 24 can be respectively by lock ring in pedestal
21 and forearm 23 on.Transmission belt 24 changes extending direction around pulley 25, it is preferred that turns back around pulley 25.Pulley 25 and biography
It is rolling friction between dynamic band 24.Transmission belt 24 has flexibility.
Middle arm 22 on pedestal 21 to a direction when sliding, since the first end of transmission belt 24 is fixed on pedestal 21,
The distance between first end and pulley 25 become larger, and the distance between second end and pulley 25 become smaller, and pulley 25 affects transmission belt 24
And forearm 23 is driven to slide in the same direction.It is preceding due to forming the structure of similar movable pulley 25 between pulley 25 and transmission belt 24
The move distance of arm 23 is twice of the move distance of middle arm 22.
Electric appliance component is electrical equipment.Electric appliance component is mounted on forearm 23.The first end of electric appliance component and transmission belt 24
Electrical connection.The second end of transmission belt 24 is electrically connected on the electric cabinet of car body 12.Pass through transmission between electric appliance component and electric cabinet
Band 24 come transmit electric signal and/or transmission electric energy.
The cooperation of transmission belt 24 and pulley 25 can make forearm 23 slide and stretch out relative to middle arm 22, meanwhile, electric appliance component
Electric signal and/or transmission electric energy are also transmitted by transmission belt 24, drag chain in the prior art is thus eliminated, saves drag chain
Installation space so that the height of pallet fork 1 reduces, the volume of entire shuttle 10 reduces.
In a schematical embodiment, referring to Fig. 4, transmission belt 24 includes flexible substrate 241 and conducting wire 242.It is flexible
Matrix 241 is arranged to strip, and has flexibility.The both ends of flexible substrate 241 are fixedly linked with pedestal 21 and forearm 23 respectively.
Flexible substrate 241 also abuts against with the periphery wall of pulley 25 and makes flexible substrate 241 exceptionally straight.Conducting wire 242 can be metal
Line.Conducting wire 242 is arranged on flexible substrate 241, and relatively fixed with flexible substrate 241.Electric appliance component is electrically connected to conducting wire 242
On.Conducting wire 242 can be set more.Conducting wire 242 is for transmitting electric signal and/or electric energy.Flexible substrate 241 bears the overwhelming majority
Pulling force.
In a schematical embodiment, conducting wire 242 is arranged in flexible substrate 241.Flexible substrate 241 protects conducting wire
242 is not frayed and collide with, while preventing conducting wire 242 from aoxidizing.
In a schematical embodiment, the cross section of flexible substrate 241 is strip, and flexible substrate 241 insulate.It leads
Line 242 is provided with more, and extending direction of the multiple conducting wires 242 along cross section is arranged side by side.Adjacent two conducting wires 242 separate.It is soft
The cross section of property matrix 241 is arranged to strip, and flexible substrate 241 is wider to be connected to pulley 25, such flexible substrate on one side
Pressure between 241 and pulley 25 is smaller.Meanwhile the flat more bend resistance of flexible substrate 241, it is not easy to fatigue.Multiple conducting wires 242
Being arranged side by side in flexible substrate 241 makes the distribution of forces between conducting wire 242 and flexible substrate 241 uniform.Flexible substrate
241 are used as insulator, moreover it is possible to make to insulate between conducting wire 242.
In a schematical embodiment, flexible substrate 241 is made of rubber.Conducting wire 242 is wire.Such as Tab phenolphthaleinum
The structural strength of transmission belt 24 can be enhanced in line 242 when being steel wire.
In a schematical embodiment, referring to Fig. 5, electric appliance component includes shifting fork mechanism 14.Shifting fork mechanism 14 is arranged
On forearm 23.Shifting fork mechanism 14 includes hinged seat, shift fork and motor 142.Shift fork includes yoke bar 141 and shaft.Shaft is flat
Row is in the glide direction of forearm 23.One end of yoke bar 141 is arranged in shaft.Shaft is perpendicular to yoke bar 141.Hinged seat setting
On forearm 23.Axis hole is provided on hinged seat.Shaft is inserted into axis hole and can rotate around the axis of itself.Setting in axis hole
There is bearing, the outer ring of bearing is connected to the inner wall of axis hole, and the inner ring of bearing is sleeved in shaft.The main shaft of motor 142 is connected to
Shaft deviates from one end of yoke bar 141.The rotation of 142 drive shaft of motor, and then yoke bar 141 is driven to swing.Motor 142 is electrically connected
Connect the conducting wire 242 of transmission belt 24.Motor 142 is electrically connected on the electric cabinet of car body 12 by transmission belt 24.Electric cabinet passes through
Transmission belt 24 transmits the electric energy that motor 142 operates.
After yoke bar 141 swings to horizontality, when telescopic arm 2 stretches, yoke bar 141 catches on cargo and drags cargo.
For example, cargo, when on car body 12, telescopic arm 2 stretches out, yoke bar 141 can be dragged to cargo outside car body 12；Cargo is outside vehicle
When, telescopic arm 2 retracts, and yoke bar 141 can drag to cargo on car body 12.
In a schematical embodiment, shifting fork mechanism 14 is provided with multiple.Multiple shifting fork mechanisms 14 are arranged in pairs.At
Two shifting fork mechanisms 14 of setting are separately positioned on two telescopic arms 2 and are mutually leaned on positioned at the forearm 23 of two telescopic arms 2
Close side, and be mutually aligned.In this way, the yoke bar 141 of two shifting fork mechanisms 14 can be opposite from cargo one end two sides catch on
Cargo, thus can more stably mobile cargo.
In a schematical embodiment, referring to Fig. 7, electric appliance component further includes sensor 13.Sensor 13 can be
It is multiple.The conducting wire 242 of the electrical connection transmission belt 24 of sensor 13.Sensor 13 is arranged on forearm 23.Sensor 13 is located at shift fork
14 side of mechanism.Sensor 13 is mainly used to detect whether cargo is pulled on car body 12.Sensor 13 passes through transmission belt 24
It is electrically connected on the electric cabinet of car body 12.Electric signal is transmitted to electric cabinet by transmission belt 24 by sensor 13.
In a schematical embodiment, referring to Fig. 6, telescopic arm 2 further includes the first sliding block 34, the second sliding block 36, the
One guide rail 33 and the second guide rail 35.First guide rail 33 and the second guide rail 35 are parallel to each other.First sliding block 34 is arranged in the first guide rail
On 33.First sliding block 34 can be slided along the first guide rail 33.Second sliding block 36 is arranged on the second guide rail 35, and the second sliding block 36 can edge
The sliding of second guide rail 35.First sliding block 34 is arranged on middle arm 22.First guide rail 33 is arranged on pedestal 21.Second sliding block 36 is set
It sets on forearm 23.Second guide rail 35 is arranged on middle arm 22.
In this way, connecting since the first guide rail 33 is matched with the first sliding block 34 so that forming sliding between middle arm 22 and pedestal 21
It connects, the second guide rail 35 is matched with the second sliding block 36 to be slidably connected so that being formed between forearm 23 and middle arm 22.Again due to first
Guide rail 33 is parallel with the second guide rail 35, and middle arm 22 is in the glide direction and glide direction of the forearm 23 on pedestal 21 on pedestal 21
It is identical.
It is of course also possible to by being arranged in the setting to middle arm 22 of the first guide rail 33 and by the first sliding block 34 onto pedestal 21；It will
It is arranged on middle arm 22 in the setting to forearm 23 of second guide rail 35 and by the second sliding block 36.Middle arm 22 and pedestal can also be made in this way
It is formed and is slidably connected between 21, formed and be slidably connected between forearm 23 and middle arm 22.
In a schematical embodiment, pedestal 21 and forearm 23 are separately positioned on the opposite two sides of middle arm 22.Pulley
25 are arranged between pedestal 21 and forearm 23.After being arranged in this way, pedestal 21, forearm 23 and middle arm 22 are stacked, entire flexible
The volume of arm 2 reduces.
In a schematical embodiment, forearm 23, middle arm 22 and pedestal 21 are respectively provided with growth batten.Forearm 23, in
The plate face of arm 22 and pedestal 21 is parallel to each other.The extending direction of middle arm 22, forearm 23 and pedestal 21 is each parallel to the first guide rail 33.
In this way, the volume that telescopic arm 2 occupies is smaller, it is more compact.Simultaneously as the extending direction of middle arm 22, forearm 23 and pedestal 21 is equal
Be parallel to the first guide rail 33, in this way, 2 tensible of telescopic arm obtain it is longer.
In a schematical embodiment, one end of middle arm 22 is arranged in pulley 25, and the first end of transmission belt 24 is fixed
On the one end of pedestal 21 away from pulley 25, the second end of transmission belt 24 is fixed on forearm 23 on one end of pulley 25.This
Sample, after transmission belt 24 is tightened, the angle between transmission belt 24 and forearm 23, pedestal 21 and middle arm 22 is all very small, transmission belt 24
Direction of pull is substantially parallel with forearm 23, middle arm 22 and pedestal 21, and 24 transmission efficiency of transmission belt is higher.
In a schematical embodiment, the side of middle arm 22 is provided with synchronous rack gear 32.Synchronous rack gear 32 and middle arm
It can be screw connection between 22.Synchronous rack gear 32 extends along the extending direction of middle arm 22.The tooth of synchronous rack gear 32 faces away from
The side of middle arm 22.
Referring to Fig. 7, telescopic arm 2 is additionally provided with driving mechanism.Driving mechanism is used in driving between arm 22 and pedestal 21
Opposite sliding.Driving mechanism includes driving motor 26, driving pulley 28, the first tensioning wheel 30 and synchronous belt 31.Driving motor 26
It is fixed on pedestal 21.Driving motor 26 is for driving driving pulley 28 to rotate.The main shaft of driving motor 26 can connect between
Driving pulley 28；Referring to Fig. 8, it is preferable that driving mechanism further includes being sequentially connected in the retarder 27 of driving motor 26, main belt
Wheel 28 is connected on the output shaft of retarder 27.
There are two the settings of first tensioning wheel 30.First tensioning wheel 30 is arranged on pedestal 21.Two the first tensioning wheels 30
The line at center is parallel to synchronous rack gear 32.Tooth the first tensioning wheel 30 of direction of synchronous rack gear 32.The setting of synchronous belt 31 circularizes.
The periphery of synchronous belt 31 is provided with circumferentially successively evenly arranged multiple teeth.Synchronous belt 31 is bound round in two the first tensioning wheels 30
On.First tensioning wheel 30 is connected to the internal perisporium of synchronous belt 31.
Synchronous belt 31 is located at part between two the first tensioning wheels 30 and close to synchronous rack gear 32 and synchronous 32 phase of rack gear
Engagement.Driving pulley 28 and the periphery wall of synchronous belt 31 abut against, and are meshed with synchronous belt 31.The driving of driving motor 26 is actively
Belt wheel 28 rotates, and driving pulley 28 drives synchronous belt 31 to rotate, and synchronous belt 31 drives synchronous rack gear 32 to be translatable, and synchronous rack gear 32 is again
Arm 22 is slided relative to pedestal 21 in drive.
Preferably, driving mechanism further includes two the second tensioning wheels 29.Two the second tensioning wheels 29 are arranged at pedestal 21
On.Two the second tensioning wheels 29 are separately positioned on the opposite two sides of driving pulley 28, and are arranged close to driving pulley 28.Synchronous belt
31 hoops are on two the second tensioning wheels 29.In this way, the quantity of the tooth being meshed between synchronous belt 31 and driving pulley 28 increases,
The power transmitted between synchronous belt 31 and driving pulley 28 is larger.
Preferentially, there are two the settings of pulley 25, two pulleys 25 are respectively first pulley and second pulley.Transmission belt 24 is set
Two are equipped with, two transmission belts 24 are respectively the first transmission belt and the second transmission belt.The axis phase of first pulley and second pulley
Mutually in parallel, first pulley and the second pulley are separately positioned on the both ends of the middle arm.
The both ends of first transmission belt are connected respectively on pedestal 21 and forearm 23.First transmission belt is changed by first pulley
Extending direction.The both ends of first transmission belt extend to the direction close to second pulley.The both ends of second transmission belt are separately connected
Onto pedestal 21 and forearm 23.Second transmission belt changes extending direction by second pulley.The both ends of second transmission belt are to leaning on
The direction of nearly first pulley extends.
In this way, the first transmission belt can drive forearm 23 to first when arm is slided relative to pedestal 21 to first direction in the middle
Direction sliding, telescopic arm 2 stretch out；When arm is slided relative to pedestal 21 to the second direction opposite with first direction in the middle, second
Transmission belt can drive forearm 23 to slide to second direction, and telescopic arm 2 retracts.This structure is able to achieve telescopic arm 2 to the left and right as a result,
Two sides extend and retract control.
It should be understood that multiple examples described above can along multiple directions (such as inclination, reverse, horizontal, vertical, etc.) and
It is utilized with multiple constructions, without departing from the principle of the present invention.Embodiment shown in the accompanying drawings is only used as the principle of the present invention
The example effectively applied and be shown and described, any concrete details that invention is not limited to these embodiments.
Certainly, once thinking over the above description of representative embodiment, those skilled in the art are just it will be readily understood that can
A variety of remodeling, addition, substitution, deletion and other variations are made to these specific embodiments, and these variations are in this hair
In the range of bright principle.Therefore, the detailed description of front should be clearly understood that it is only to come by way of illustration and example
It provides, the spirit and scope of the present invention are only limited by the appended claims and its equivalent.
Claims (14)
1. a kind of pallet fork characterized by comprising
Telescopic arm (2), including
Pedestal (21)；
Middle arm (22), is slidably connected with the pedestal (21)；
Forearm (23) is slidably connected with the middle arm (22)；
Pulley (25) is arranged on the middle arm (22)；
Transmission belt (24), both ends are connected on the pedestal (21) and the forearm (23), are changed around the pulley (25)
Become extending direction, and conductive；
Electric appliance component is mounted on the forearm (23), and transmits electric signal and/or transmission electricity by the transmission belt (24)
Energy；
Wherein, the middle arm (22) is on the pedestal (21) when sliding, the pulley (25) affect the transmission belt (24) and
The forearm (23) is driven to slide to same direction.
2. pallet fork as described in claim 1, which is characterized in that the transmission belt (24) includes the flexible substrate of strip
(241) and setting is on the flexible substrate (241) and along the conducting wire (242) of flexible substrate (241) extension；
The electric appliance component is electrically connected the conducting wire (242), the periphery wall phase of the flexible substrate (241) and the pulley (25)
It abuts, the both ends of the flexible substrate (241) are respectively fixed on the forearm (23) and the pedestal (21).
3. pallet fork as claimed in claim 2, which is characterized in that the conducting wire (242) is arranged in the flexible substrate (241)
It is interior.
4. pallet fork as claimed in claim 3, which is characterized in that the cross section of the flexible substrate (241) is strip, described
Flexible substrate (241) insulation；
The conducting wire (242) is provided with more, and extending direction of the more conducting wires (242) along the cross section is arranged side by side,
Adjacent two conducting wires (242) separate.
5. pallet fork as claimed in claim 3, which is characterized in that the flexible substrate (241) is made of rubber, the conducting wire
It (242) is wire.
6. pallet fork as claimed in claim 2, which is characterized in that the electric appliance component includes shifting fork mechanism (14),
The shifting fork mechanism (14) includes the yoke bar (141) that is hinged on the forearm (23) and for driving the shift fork
The motor (142) of bar (141) rotation；
The motor (142) is electrically connected the conducting wire (242).
7. pallet fork as claimed in claim 2, which is characterized in that the electric appliance component includes sensor (13), the sensor
(13) it is electrically connected the conducting wire (242).
8. the pallet fork as described in any one of claims 1 to 5, which is characterized in that the middle arm (22) is in the pedestal (21)
On glide direction it is parallel with glide direction of the forearm (23) on the middle arm (22)；
The pulley (25) is arranged between the forearm (23) and the pedestal (21), the axis of the pulley (25) perpendicular to
Glide direction of the middle arm (22) on the pedestal (21).
9. pallet fork as claimed in claim 8, which is characterized in that the telescopic arm (2) further includes the first guide rail (33), with described first
Parallel the second guide rail (35) of guide rail (33), is arranged on first guide rail (33) and can slide along first guide rail (33)
The first sliding block (34) and be arranged on second guide rail (35) and can be slided along second guide rail (35) described the
Two sliding blocks (36)；
One in first sliding block (34) and first guide rail (33) is connected on the pedestal (21), and described first is sliding
Another in block (34) and first guide rail (33) is connected on the middle arm (22)；
One in second sliding block (36) and second guide rail (35) is connected on the middle arm (22), and described second is sliding
Another in block (36) and second guide rail (35) is connected on the forearm (23).
10. pallet fork as claimed in claim 8, which is characterized in that the pedestal (21) and the forearm (23) are separately positioned on described
The opposite two sides of middle arm (22), the pulley (25) are arranged between the pedestal (21) and the forearm (23).
11. such as the pallet fork of claim 10, which is characterized in that the middle arm (22), the forearm (23) and the pedestal (21)
It is all provided with and is set to the strip plate that extending direction is parallel to first guide rail (33).
12. pallet fork described in claim 11, which is characterized in that there are two pulley (25) settings, two pulleys
It (25) is respectively first pulley and second pulley；The transmission belt (24) is provided with two, and two transmission belts (24) are respectively
For the first transmission belt and the second transmission belt；
The axis of the first pulley and the second pulley is parallel to each other, and the first pulley and the second pulley are set respectively
It sets at the both ends of the middle arm (22)；
First transmission belt changes extending direction by first pulley, and the both ends of first transmission belt are to close to described
The direction of second pulley extends；
Second transmission belt changes extending direction by second pulley, and the both ends of second transmission belt are to close to described
The direction of first pulley extends.
13. pallet fork as claimed in claim 1, which is characterized in that the telescopic arm (2) further includes driving mechanism, described for driving
Middle arm (22) is slided relative to the pedestal (21).
14. a kind of shuttle, which is characterized in that including the pallet fork (1) as described in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892699.5A CN110357006A (en) | 2018-08-07 | 2018-08-07 | Shuttle and its pallet fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892699.5A CN110357006A (en) | 2018-08-07 | 2018-08-07 | Shuttle and its pallet fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110357006A true CN110357006A (en) | 2019-10-22 |
Family
ID=68212917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810892699.5A Pending CN110357006A (en) | 2018-08-07 | 2018-08-07 | Shuttle and its pallet fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110357006A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891613A (en) * | 2020-07-20 | 2020-11-06 | 南京音飞储存设备（集团）股份有限公司 | Synchronous belt assembly and shuttle vehicle |
| EP4177187A1 (en) * | 2021-11-09 | 2023-05-10 | Daifuku Co., Ltd. | Transfer device |
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| CN111891613A (en) * | 2020-07-20 | 2020-11-06 | 南京音飞储存设备（集团）股份有限公司 | Synchronous belt assembly and shuttle vehicle |
| EP4177187A1 (en) * | 2021-11-09 | 2023-05-10 | Daifuku Co., Ltd. | Transfer device |
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