CN111319484B - Fork truck and cabinet that charges - Google Patents
Fork truck and cabinet that charges Download PDFInfo
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- CN111319484B CN111319484B CN201811544185.7A CN201811544185A CN111319484B CN 111319484 B CN111319484 B CN 111319484B CN 201811544185 A CN201811544185 A CN 201811544185A CN 111319484 B CN111319484 B CN 111319484B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Forklifts And Lifting Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a forklift and a charging cabinet, wherein the forklift comprises: the fork is provided with a charging terminal which is suitable for being connected with a charging connector of the charging cabinet; the fork is connected with the vehicle body, the vehicle body is provided with an electric power storage device for storing electric energy, and the charging terminal is electrically connected with the electric power storage device. According to the forklift, when charging, the current transmission can be realized by extending the fork into the bottom of the charging cabinet and connecting the discharging terminal, the charging process is simple and easy to realize, and the charging terminal and the charging connector are high in use safety and low in potential safety hazard.
Description
Technical Field
The invention relates to the technical field of vehicle manufacturing, in particular to a forklift and a charging cabinet.
Background
At present, all energy consumption of the automatic guided vehicle is provided by a vehicle-mounted battery in the running process, and the electric energy in the running process is gradually reduced, so that the electric energy needs to be supplemented in the circulating running process. The charging structure adopted by the existing automatic guided vehicle is troublesome to install, has low safety and is easy to generate electric leakage; the amount of the current transmission body in the charging mode is small, and the current transmission efficiency is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide the forklift which is good in charging safety, high in charging transmission efficiency and convenient to use.
According to the embodiment of the invention, the forklift comprises: the fork is provided with a charging terminal which is suitable for being connected with a charging connector of the charging cabinet; the fork is connected with the vehicle body, the vehicle body is provided with an electric power storage device for storing electric energy, and the charging terminal is electrically connected with the electric power storage device.
According to the forklift provided by the embodiment of the invention, when charging, the current transmission can be realized by extending the fork into the bottom of the charging cabinet and connecting the discharging terminal, the charging process is simple and easy to realize, and the charging terminal and the charging connector are high in use safety and low in potential safety hazard.
According to the forklift of one embodiment of the present invention, the charging terminal is provided on the upper surface of the fork.
According to the forklift provided by the embodiment of the invention, the number of the forks is two, the charging terminals comprise a positive charging terminal and a negative charging terminal, and the positive charging terminal and the negative charging terminal are respectively arranged on the two forks.
The forklift according to one embodiment of the present invention further includes: a shutter movably mounted to the fork, the shutter for shielding the charging terminal; the driving piece is installed on the fork and used for driving the baffle to move so as to shield or open the charging terminal.
According to the forklift provided by the embodiment of the invention, the output shaft of the driving piece is provided with the reel, and two ends of the inhaul cable wound on the reel are respectively connected with two sides of the baffle plate so as to drive the baffle plate to move.
According to the forklift of one embodiment of the invention, the number of the reels is at least two, and the reels are arranged at intervals along the length direction of the charging terminal.
According to the forklift provided by one embodiment of the invention, the baffle comprises a first sub-board, a second sub-board and a third sub-board which are sequentially connected, the first sub-board is hinged with the second sub-board, the second sub-board is hinged with the third sub-board, and two ends of the stay cable are respectively connected with the first sub-board and the third sub-board.
According to the forklift provided by the embodiment of the invention, the sum of the widths of the first sub-board, the second sub-board and the third sub-board is the same as the width of the fork, the width of the second sub-board is the same as the thickness of the fork, when the driving piece drives the baffle to move until the charging terminal is opened, the second sub-board is located on the side face of the fork, and the first sub-board and the third sub-board are opposite to each other in the thickness direction.
According to the forklift of one embodiment of the present invention, the shutter is a flexible member that wraps around the sides of the fork when the shutter is moved to open the charging terminals.
According to the forklift truck of one embodiment of the present invention, the truck body is provided with a discharging terminal and a discharging device, the discharging terminal is electrically connected with the electric storage device through the discharging device, and the discharging terminal is used for being electrically connected with the charging terminal of another forklift truck to charge the other forklift truck.
According to the forklift truck disclosed by the embodiment of the invention, the bottom of the truck body is provided with the first avoidance cavity which is open downwards, the discharging terminal is arranged in the first avoidance cavity and is spaced from the ground, and the fork of the other forklift truck is suitable for extending into the first avoidance cavity so as to enable the charging terminal and the discharging terminal to be electrically connected.
According to the forklift provided by the embodiment of the invention, the movable cover is arranged in the first avoidance cavity, is used for shielding the discharging terminal and moves to the position where the discharging terminal is opened when in charging.
According to the forklift provided by one embodiment of the invention, the pallet fork is fixedly connected with the forklift body, and the forklift further comprises: the fork inclination angle adjusting mechanism is arranged on the fork and is suitable for being supported on the ground, and the fork inclination angle adjusting mechanism is used for adjusting the inclination angle of the fork.
According to one embodiment of the forklift of the present invention, the fork adjustment mechanism includes: the rocker arm is pivotally arranged on the vehicle body at one end; the pallet fork lifting mechanism comprises a supporting wheel arm and a roller wheel, wherein the first end of the supporting wheel arm is pivotally connected with the pallet fork 1, the second end of the supporting wheel arm is pivotally connected with the roller wheel, and the roller wheel is supported on the ground; the first end of the pull rod is connected with the other end of the rocker arm, and the second end of the pull rod is connected with the middle part of the supporting wheel arm; when the rocker arm rotates relative to the vehicle body, the rocker arm pulls the supporting wheel arm to move through the pull rod so as to enable the fork 1 to approach or separate from the roller.
The invention further provides a charging cabinet.
According to the charging cabinet provided by the embodiment of the invention, the lower end of the charging cabinet is provided with the second avoidance cavity for avoiding the fork, and the top wall of the second avoidance cavity is provided with the charging connector.
According to the charging cabinet provided by the embodiment of the invention, the charging connector is floatably mounted on the top wall of the second avoidance cavity.
According to the charging cabinet provided by the embodiment of the invention, the charging connector is mounted on the charging cabinet through a plurality of independent elastic devices, so that different floating amounts are formed in different areas of the working surface of the charging connector, and the upper surface of the charging terminal is attached to the lower surface of the charging connector when the fork extends into the second avoidance cavity.
The charging cabinet and the forklift have the same advantages compared with the prior art, and the detailed description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a side view of a forklift in connection with a charging cabinet according to an embodiment of the invention;
FIG. 2 is a top view of a forklift in connection with a charging cabinet according to an embodiment of the invention;
FIG. 3 is a top view of a lift truck according to an embodiment of the present invention;
FIG. 4 is a rear view of a fork lift truck according to an embodiment of the present invention;
FIG. 5 is a bottom view of a fork lift truck according to an embodiment of the present invention;
fig. 6 is a schematic diagram of the connection of a forklift truck according to an embodiment of the present invention when charged in series;
fig. 7 is a schematic view of connection at the time of rescue of a forklift according to an embodiment of the invention;
FIGS. 8-9 are schematic structural views of a fork according to one embodiment of the present invention;
FIG. 10 is a schematic structural view of a baffle plate according to an embodiment of the present invention;
FIG. 11 is a bottom view of the fork of one embodiment of the present invention;
FIGS. 12-13 are schematic structural views of a fork according to another embodiment of the present invention;
FIG. 14 is a schematic structural view of a baffle of another embodiment of the present invention;
FIG. 15 is a bottom view of another embodiment of the fork of the present invention;
fig. 16 is a schematic structural view of a forklift according to an embodiment of the present invention.
Reference numerals:
the fork-lift truck 100 is provided with a fork-lift truck,
a fork 1, a charging terminal 2, a vehicle body 3, an electric storage device 4, a discharging terminal 5, a baffle 6, a first sub-plate 61, a second sub-plate 62, a third sub-plate 63, a driving member 7, a reel 8, a cable 81, a fork tilt angle adjusting mechanism 9, a rocker arm 91, a supporting wheel arm 92, a roller 93, a pull rod 94,
the charging cabinet 200, the second dodge cavity 201 and the charging connector 202.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A forklift 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 7, the forklift 100 being used for transporting goods, the forklift 100 being suitable for use in an assembly shop, a storage warehouse, or the like, which can improve the transportation efficiency of workers.
Wherein, this fork truck 100 is the electric energy drive car, and fork truck 100's fork 1 is equipped with the charging terminal 2 that is used for current transmission, when fork truck 100 needs to charge, can stretch into the bottom of the cabinet 200 that charges with fork 1 to make charging terminal 2 be connected with the joint 202 electricity that charges of the cabinet 200 that charges, and then realize fork truck 100's the charging through the current transmission between charging terminal 2 and the joint 202 that charges, the charging process safe and reliable, easily realize, fork truck 100 includes the automated guided vehicle.
As shown in fig. 1 to 7, a forklift 100 according to an embodiment of the present invention includes: a pallet fork 1 and a truck body 3.
As shown in fig. 1 to 3, the fork 1 is provided with a charging terminal 2, the charging terminal 2 is adapted to be connected to a charging connector 202 of a charging cabinet 200, the fork 1 is connected to a vehicle body 3, the vehicle body 3 is provided with an electric storage device 4, the electric storage device 4 is used for storing electric energy, the charging terminal 2 is electrically connected to the electric storage device 4, and the electric storage device 4 can be a storage battery.
In one embodiment, as shown in fig. 1, the charging terminal 2 is disposed on the upper surface of the fork 1, and the charging connector 202 is disposed at the bottom of the charging cabinet 200. Like this, the in-process of charging, stretch into the bottom of cabinet 200 that charges with fork 1, and link to each other the upper surface of terminal 2 that will charge with the lower surface of the joint 202 that charges, from this, can be convenient for fork truck 100 charges, and operation process is simple.
As shown in fig. 3, one end of the fork 1 is a free end, the other end of the fork 1 is connected with the vehicle body 3, and the other end of the fork 1 is fixedly connected with the vehicle body 3. Thus, when the forklift 100 needs to be charged, the fork 1 can be unfolded to be in contact with the ground, the forklift 100 is driven to move to the position where one end of the fork 1 extends into the bottom of the charging cabinet 200, the charging terminal 2 is electrically connected with the charging connector 202 of the charging cabinet 200, and then the electric energy of the charging cabinet 200 is transmitted to the electric storage device 4.
As shown in fig. 4-5, the charging connector 202 is disposed at the bottom of the charging cabinet 200, so that the charging terminal 2 is in effective contact with the charging connector 202 when the fork 1 extends into the bottom of the charging cabinet 200, and the charging connector 202 is located at a position which is not easily visible, thereby preventing liquid above the charging cabinet 200 from dripping on the charging connector 202, avoiding short circuit caused by the charging connector 202, preventing personnel on the peripheral wall of the charging cabinet 200 from contacting the charging connector 202, preventing other heavy-load objects in the place where the charging cabinet 200 is located from rolling or colliding with the charging connector 202, and facilitating improvement of safety of the charging connector 202.
Therefore, the process of charging the forklift 100 and the charging cabinet 200 is simple, the arrangement requirement on the charging connector 202 is low, the charging mode is simple, the use and maintenance cost is reduced compared with the use of a standby battery, no special person is needed in the charging process, and the initiative degree is high. In some embodiments, the charging terminal 2 and the charging connector 202 are both in a strip shape, and the charging terminal 2 and the charging connector 202 are in surface contact when being connected, so that the charging terminal 2 and the charging connector 202 have strong overcurrent capacity, the current transmission efficiency is high, the forklift 100 can be quickly charged easily, the requirement on position accuracy is low when the charging terminal 2 and the charging connector 202 are connected, the difficulty of matching contact between the charging terminal 2 and the charging connector 202 is greatly reduced, and the butt joint time is saved.
According to the forklift 100 disclosed by the embodiment of the invention, when charging, the current transmission can be realized by extending the fork 1 into the bottom of the charging cabinet 200 and connecting the discharging terminal 5, the charging process is simple and easy to realize, and the charging terminal 2 and the charging connector 202 are high in use safety and low in potential safety hazard.
In some embodiments, as shown in fig. 3, the two forks 1 are provided, the charging terminals 2 include a positive charging terminal 2 and a negative charging terminal 2, which are provided to the two forks 1, respectively, and as shown in fig. 2 and 3, the positive charging terminal and the negative charging terminal are electrically connected to the electric storage device 4 through wires, respectively. Like this, when fork truck 100 charges, anodal charging terminal 2 and negative pole charging terminal 2 spaced apart, can guarantee that the two can not contact, avoid the contact of anodal charging terminal 2 and negative pole charging terminal 2 in the charging process, prevent that charging terminal 2 from appearing the short circuit and arousing power storage device 4 trouble, improve the security that fork truck 100 charges.
In some embodiments, the forklift 100 further comprises a barrier movably mounted to the forks 1, i.e. the barrier is movable relative to the forks 1, and an actuating member 7, wherein the barrier is slidably engaged with the forks 1.
The shutter is used to shield the charging terminal 2 to protect the charging terminal 2, and moves to a position where the charging terminal 2 is opened when charging. When can understand, charging terminal 2 locates the upper surface of fork 1, when fork truck 100 need not charge, charging terminal 2 exposes, from this, through establishing the baffle at fork 1, can avoid the object in the place of fork truck 100 place to cause destruction to charging terminal 2, improves the security that charging terminal 2 used.
A driving member 7 is mounted to the fork 1, the driving member 7 being for driving the shutter 6 to move to shield or open the charging terminal 2. The driving piece 7 comprises a driving motor, the output end of the driving motor is connected with the baffle 6, and when the driving motor rotates, the baffle 6 and the pallet fork 1 move relatively. Therefore, when the forklift 100 is charged, the baffle 6 can be driven to move by the driving motor so as to open the charging terminal 2 for charging; when fork truck 100 does not have the needs of charging, through the motion of driving motor drive baffle 6 in order to shelter from charging terminal 2, avoid charging terminal 2 to receive destruction, improve the security that charging terminal 2 used.
As shown in fig. 8 to 9 and 12 to 13, the output end of the actuator 7 is provided with a reel 8, the reel 8 is wound with a cable 81, and both ends of the cable 81 are connected to both sides of the flapper 6, respectively. As shown in fig. 8 to 9 and 12 to 13, one end of the cable 81 is connected to one side of the barrier 6, and the other end of the cable 81 is connected to the other side of the barrier 6. Like this, when driving piece 7 rotates, the output of driving piece 7 drives reel 8 and rotates, and when reel 8 rotated, the one end winding of cable 81 contracts, and the other end of cable 81 expandes the extension, and cable 81 drives baffle 6 and moves in order to realize sheltering from or opening charging terminal 2 simultaneously.
As shown in fig. 12 and 13, the upper surface of the charging terminal 2 is flush with the upper surface of the fork 1, and in other embodiments, the upper surface of the charging terminal 2 is lower than the upper surface of the fork 1, that is, the charging terminal 2 is concavely disposed on the upper surface of the fork and forms a concave insertion space, wherein the charging connector 202 is disposed at the bottom of the charging cabinet 200, the charging connector 202 protrudes from the mounting surface thereof, and the charging connector 202 is smaller than the charging terminal 2. Like this, when fork 1 stretched into the bottom of charging cabinet 200 and charges, the grafting space of 1 upper surface of fork just right with the joint 202 that charges, and the convex part of the joint 202 that charges stretches into the grafting space in order to laminate with the upper surface of charging terminal 2, realizes the butt joint that charges.
In some embodiments, there are at least two reels 8, the reels 8 are spaced apart along the length of the charging terminal, as shown in fig. 11 and 14, there are two reels 8, the two reels 8 are spaced apart along the length of the charging terminal, and both reels 8 are connected to the flap 6, so that the force applied to both ends of the flap 6 is uniform, and the structural stability is ensured.
In some embodiments, as shown in fig. 8 and 10, the baffle 6 comprises a first sub-plate 61, a second sub-plate 62 and a third sub-plate 63 which are connected in sequence, the first sub-plate 61 and the second sub-plate 62 are hinged, i.e. the first sub-plate 61 and the second sub-plate 62 can rotate relatively, the second sub-plate 62 and the third sub-plate 63 are connected, i.e. the second sub-plate 62 and the third sub-plate 63 can rotate relatively, and two ends of a pull rope 81 are respectively connected with the first sub-plate 61 and the third sub-plate 63, so that when the driving member 7 drives the reel 8 to rotate clockwise, one end of the pull rope pulls the baffle 6 to move, and the baffle 6 gradually shields the charging terminal 2; as shown in fig. 9, when the driving member 7 drives the reel 8 to rotate counterclockwise, the other end of the pull wire pulls the shutter 6 to move, the shutter 6 gradually opens the charging terminal 2, and the first sub-plate 61, the second sub-plate 62 and the third sub-plate 63 are all rigid members, have high structural strength and rigidity, and can play a good role in protecting the fork 1.
The sum of the widths of the first sub-board 61, the second sub-board 62 and the third sub-board 63 is the same as the width of the fork, so that when the first sub-board 61, the second sub-board 62 and the third sub-board 63 all move to the upper surface of the fork 1, the charging terminal 2 is completely shielded by the first sub-board 61, the second sub-board 62 and the third sub-board 63, and the upper surface of the fork 1 is completely shielded by the first sub-board 61, the second sub-board 62 and the third sub-board 63, so that the charging terminal 2 is ensured, and the upper surface of the fork 1 is protected.
The width of second daughter board 62 is the same with the thickness of fork, and when driving piece 7 drive baffle 6 moved to charging terminal 2 and open, second daughter board 62 was located the side of fork, and first daughter board 61 and third daughter board 63 are just right along the thickness direction, and from this, when charging terminal 2 charges, baffle 6 can play the guard action to the side of fork 1, improves the security of fork 1 structure.
In other embodiments, the shutter 6 is a flexible member, and when the shutter 6 moves to open the charging terminal 2, the shutter 6 covers the side of the fork 1, so that the fork 1 can be well protected.
In some embodiments, as shown in fig. 7, the vehicle body 3 is provided with a discharging terminal 5 and a discharging device, the discharging terminal 5 is electrically connected with the electric storage device 4 through the discharging device, and the discharging terminal 5 is used for being electrically connected with the charging terminal 2 of another forklift 100 to charge the other forklift 100, so that electric energy in the electric storage device 4 can be output to the other forklift 100 through the discharging terminal 5 by the discharging device.
When the electric quantity of the other forklift 100 is insufficient, as shown in fig. 7, the discharge terminal 5 of the forklift 100 may be connected to the charge terminal 2 of the other forklift 100 to transmit the electric energy of the power storage device 4 of the own vehicle to the other forklift 100, thereby realizing the electric energy transmission between the two forklifts 100. Thus, the charging process of the forklift 100 can be realized without directly outputting current through the charging cabinet 200.
Like this, fork truck 100 can be as the carrier that charges, in-process with the cabinet 200 that charges, can establish ties a plurality of fork truck 100 in proper order, and be connected the first fork truck 100 in a plurality of fork truck 100 with the cabinet 200 electricity that charges, can charge a plurality of fork truck 100 simultaneously, and reduce the quantity of the cabinet 200 that charges, save the installation space of the cabinet 200 that charges, and can serve the more motorcycle types of quantity under the same space condition, be suitable for the place that space utilization such as airport, harbour required higher more, it is more convenient to use.
In some embodiments, the bottom of the vehicle body 3 is provided with a first avoidance cavity, the first avoidance cavity is used for avoiding the fork 1 of another forklift 100, the first avoidance cavity is opened downwards, the discharge terminal 5 is arranged in the first avoidance cavity, the discharge terminal 5 is spaced apart from the ground, and the fork 1 of the another forklift 100 is suitable for extending into the first avoidance cavity to electrically connect the charge terminal 2 and the discharge terminal 5, so that current transmission between the two forklifts 100 is realized.
In some embodiments, the first avoiding cavity is provided with a cover, the cover is movably mounted on the vehicle body 3, and the cover can be pivotally connected with the vehicle body 3 or can be in sliding fit.
The cover is used for shielding the discharging terminal 5 to protect the discharging terminal 5, and the cover moves to a position where the discharging terminal 5 is opened when charging so that the charging terminal 2 is electrically connected with the discharging terminal 5. The discharging terminal 5 is arranged at the bottom of the car body 3, and when the forklift 100 does not need to be charged, the discharging terminal 5 is exposed, so that the discharging terminal 5 is shielded by arranging a sealing cover at the bottom of the charging cabinet 200, the situation that sundries or liquid in a working place contacts the discharging terminal 5 in the moving process of the forklift 100 can be avoided, and the safety of the discharging terminal 5 is improved.
In some embodiments, the fork 1 is fixedly connected to the body 3 of the forklift 100, and the forklift 100 further includes a fork tilt angle adjusting mechanism 9, the fork tilt angle adjusting mechanism 9 is installed on the fork, and the fork tilt angle adjusting mechanism 9 is suitable for being supported on the ground, and the fork tilt angle adjusting mechanism 9 is used for adjusting the tilt angle of the fork 1, so that when the forklift is charged, the angle of the fork 1 can be adjusted, so that the fork 1 can smoothly extend into the charging cabinet 200 for charging.
In the embodiment shown in fig. 16, the fork tilt adjustment mechanism 9 includes a swing arm 91, a supporting wheel arm 92, a roller 93, and a pull rod 94.
As shown in fig. 16, one end of the swing arm 91 is pivotally mounted to the vehicle body, that is, the swing arm 91 is relatively rotatable with respect to the vehicle body 3, a first end of the support wheel arm 92 is pivotally connected to the fork, a second end of the support wheel arm 92 is pivotally connected to the roller 93, the roller 93 is supported on the ground, a first end of the pull rod 94 is connected to the other end of the swing arm 91, and a second end of the pull rod 94 is connected to the middle portion of the support wheel arm 92. Thus, the adjustment of the tilting angle of the fork 1 can be realized by driving the swing arm 91 to rotate, and when the swing arm 91 rotates relative to the vehicle body 3, the swing arm 91 pulls the supporting wheel arm 92 to move by the pull rod 94 so as to make the fork approach or separate from the roller 93. Specifically, when the rocker arm 91 rotates clockwise relative to the vehicle body 3, the pull rod 94 pulls the supporting wheel arm 92 to move in a direction away from the vehicle body 3, the supporting wheel arm 92 and the ground inclination angle increase, the forklift 100 tilts forward, the vehicle body 3 tilts up, the pallet fork tilts downward, and therefore the forklift 100 is convenient to charge.
The invention also provides a charging cabinet 200.
According to the charging cabinet 200 of the embodiment of the invention, as shown in fig. 4 and 5, the lower end of the charging cabinet 200 is provided with the second avoidance cavity 201, the second avoidance cavity 201 is used for avoiding the fork 1, the top wall of the second avoidance cavity 201 is provided with the charging connector 202, when the forklift 100 is charged, the fork 1 of the forklift 100 can be inserted into the second avoidance cavity 201 of the charging cabinet 200, and the charging terminal 2 is connected with the charging connector 202, so that the charging connection of the forklift 100 is realized, and the charging connection mode is simple, the connection is convenient, and the initiative degree is higher.
In some embodiments, the charging connector 202 may be floatingly mounted on the top wall of the second avoiding cavity 201, and the charging connector 202 may float relative to the charging cabinet 200, so that when the charging connector 202 is connected to the charging terminal 2, the charging connector 202 may float adaptively along with the insertion direction of the charging terminal 2, so that the charging connector 202 is in surface contact with the charging terminal 2, the current transmission amount between the charging connector 202 and the charging terminal 2 is increased, the charging efficiency of the forklift 100 is improved, the time required for charging is saved, and the charging cost is reduced.
The charging connector 202 is mounted on the charging cabinet 200 through a plurality of independent elastic devices, so that different floating amounts are formed in different areas of a working surface of the charging connector, and the upper surface of the charging terminal 2 is attached to the lower surface of the charging connector 202 when the fork 1 extends into the second avoidance cavity 201. It can be understood that, fork 1 is when stretching into the second and dodging chamber 201, there is certain contained angle in the orientation of stretching into of fork 1 and horizontal plane, and when charging terminal 2 and the joint 202 contact that charges, the atress in the different regions of the two contact surface is different, if the pressure that the joint 202 that charges is close to one end of fork 100 is different with the pressure that one end that deviates from fork 100 receives, make the joint 202 that charges slope gradually along with stretching into of fork 1, and charge easy contact with charging terminal 2's the upper surface is fine behind the joint 202 slope, therefore, can guarantee that fork 100 charges, higher current transmission efficiency has.
The present invention also provides a charging method for the forklift 100, which can be implemented by the forklift 100 according to any of the above embodiments, and the charging method according to the embodiment of the present invention is described in detail below.
The charging method comprises the following steps: the plurality of forklifts 100 are connected in series, wherein the charging terminal 2 of the first forklift 100 is electrically connected with the charging connector 202 of the charging cabinet 200, the charging terminal 2 of the second forklift 100 is electrically connected with the discharging terminal 5 of the first forklift 100, … …, and the charging terminal 2 of the nth forklift 100 is electrically connected with the discharging terminal 5 of the (N-1) th forklift 100, namely, the charging terminal 2 of the following forklift 100 is electrically connected with the discharging terminal 5 of the preceding forklift 100 in any two forklifts 100 in the plurality of forklifts 100 connected in series. Therefore, the electric energy of the charging cabinet 200 is output to the first forklift 100, and then the first forklift 100 transmits the electric energy to the other forklifts 100, so that the current transmission from the front forklift 100 to the rear forklift 100 can be realized, and the forklift 100 with low electric quantity can be charged. As shown in fig. 6, 3 forklifts 100 are charged in series in sequence.
N is more than or equal to 2, namely the charging method is suitable for at least two forklifts 100, and therefore, the first forklift 100 is used for simultaneously charging the other forklift 100 or the plurality of forklifts 100, so that the first forklift 100 or the previous forklift 100 is used as a charging carrier, the number of the charging cabinets 200 is reduced, the space occupied by the charging cabinets 200 is saved, more vehicle types can be served in the same space, and the charging method is more suitable for places such as airports, ports and the like with higher space utilization rate requirements and has better practicability.
According to the charging method for the forklift 100, disclosed by the embodiment of the invention, a plurality of forklifts 100 can be charged at the same time through the charging cabinet 200, so that the number of the charging cabinets 200 is reduced, the occupied space of the charging cabinets 200 is saved, and the charging method has good practicability.
In some embodiments, during charging, as shown in FIG. 6, the forks 1 of the Nth truck 100 are extended into the bottom of the (N-1) th truck 100 to connect the charging terminals 2 of the Nth truck 100 with the discharging terminals 5 of the (N-1) th truck 100. Thus, when two forklifts 100 transmit current, the fork 1 of the nth forklift 100 and the (N-1) th forklift 100 can be avoided, and the fork 1 of the forklift 100 at the back and the fork 1 at the front are prevented from being in rigid contact, so that the charging terminal 2 and the discharging terminal 5 can be reasonably and safely connected.
As shown in fig. 6, a first avoidance cavity is provided at the bottom of the forklift 100, the discharging terminal 5 is provided at the top wall of the first avoidance cavity, the charging terminal 2 is provided at the upper surface of the pallet fork 1, and the upper surface of the charging terminal 2 of the nth forklift 100 is in contact with the lower surface of the discharging terminal 5 of the nth-1 forklift 100 so as to transmit current between the charging terminal 2 and the discharging terminal. Like this, when two fork truck 100 electricity are connected, the first chamber of dodging of N-1 fork truck 100 can play the effect of dodging to the fork 1 of N fork truck 100 for the fork 1 of N fork truck 100 can insert the bottom of N-1 fork truck 100 smoothly, and then does benefit to charging terminal 2 and the connection of electricity discharge terminal 5, provides very big facility for the butt joint of two fork truck 100.
According to the charging method for the forklift 100, before charging, the truck body 3 of the (N-1) th forklift 100 is tilted so that the (N-1) th forklift 100 tilts forward, the fork 1 of the (N) th forklift 100 extends into the bottom of the (N-1) th forklift 100 so that the charging terminal 2 is electrically connected with the discharging terminal 5, so that the truck body 3 of the (N-1) th forklift 100 tilts so that a large space is reserved at the bottom of the truck body 3, and when the fork 1 of the (N) th forklift 100 extends into the bottom of the (N-1) th forklift 100, the fork 1 of the (N) th forklift 100 is not easy to be in rigid contact with the truck body 3 of the (N-1) th forklift 100, thereby ensuring safe connection of the two forklifts 100 in the charging process and improving the safety of charging connection.
Wherein, 3 fixed connection of fork 1 and fork truck 100's car body, fork truck 100 still include fork inclination adjustment mechanism 9, and fork inclination adjustment mechanism 9 is installed in the fork, and fork inclination adjustment mechanism 9 is suitable for and supports in ground, and fork inclination adjustment mechanism 9 is used for adjusting the inclination of fork 1, and like this, when fork truck charges, the angle of adjustable fork 1 for fork 1 can stretch into smoothly and charge in charging cabinet 200.
Before charging, the fork inclination angle adjusting mechanisms of the (N-1) th forklift 100 and the Nth forklift 100 work to tilt the truck bodies 3 of the (N-1) th forklift 100 and the Nth forklift 100, meanwhile, the front parts of the forks 1 of the (N-1) th forklift 100 and the Nth forklift 100 are lowered, and the fork 1 of the Nth forklift 100 extends into the bottom of the (N-1) th forklift 100 to enable the charging terminal 2 to be electrically connected with the discharging terminal 5, so that the connection and charging of the two adjacent forklifts 100 are completed.
In the embodiment shown in fig. 16, the fork tilt adjustment mechanism 9 includes a swing arm 91, a supporting wheel arm 92, a roller 93, and a pull rod 94.
As shown in fig. 16, one end of the swing arm 91 is pivotally mounted to the vehicle body, that is, the swing arm 91 is relatively rotatable with respect to the vehicle body 3, a first end of the support wheel arm 92 is pivotally connected to the fork, a second end of the support wheel arm 92 is pivotally connected to the roller 93, the roller 93 is supported on the ground, a first end of the pull rod 94 is connected to the other end of the swing arm 91, and a second end of the pull rod 94 is connected to the middle portion of the support wheel arm 92. Thus, the adjustment of the tilting angle of the fork 1 can be realized by driving the swing arm 91 to rotate, and when the swing arm 91 rotates relative to the vehicle body 3, the swing arm 91 pulls the supporting wheel arm 92 to move by the pull rod 94 so as to make the fork approach or separate from the roller 93.
Before charging, the swing arm 91 of the N-1 th forklift 100 is rotated to drive the supporting wheel arm 92 to rotate in a direction close to the horizontal direction by the pull rod 94, and the roller 93 rolls along the ground to tilt the fork 1 forward. Specifically, as shown in fig. 16, when the swing arm 91 rotates clockwise relative to the vehicle body 3, the pull rod 94 pulls the supporting wheel arm 92 to move in a direction away from the vehicle body 3, the inclination angle of the supporting wheel arm 92 and the ground is increased, the forklift 100 tilts forward, the vehicle body 3 tilts up, and the pallet fork 1 tilts downward, so that the pallet fork 1 of the nth forklift 100 can be conveniently inserted into the bottom of the nth-1 forklift 100 to electrically connect the charging terminal 2 with the discharging terminal 5, and the charging process of the forklift 100 is realized.
In some embodiments, the forks 1 are connected to the body 3, the forks 1 are fixedly connected to the body 3, and the forks 1 of the forklift 100 are rotated around their wheels in a direction close to the ground to tilt the forklift 100 forward. It can be understood that the forklift 100 is supported on the ground through the wheels, and when the front end of the fork 1 rotates towards the direction close to the ground, the rear end of the forklift 100 rotates towards the direction away from the ground, that is, the rear end of the forklift 100 tilts, so that the fork 1 of the nth forklift 100 can conveniently extend into the bottom of the (N-1) th forklift 100, and the extending process is smoother.
In some embodiments, as shown in fig. 4 to 5, the charging cabinet 200 is provided with a second avoiding cavity 201 at a lower end thereof, the second avoiding cavity 201 is used for avoiding the fork 1, a charging connector 202 is provided at a top wall of the second avoiding cavity 201, and the fork 1 of the first forklift 100 extends into the bottom of the charging cabinet 200 so as to connect the charging terminal 2 with the charging connector 202. From this, through being equipped with the second in the bottom of charging cabinet 200 and dodging chamber 201, the fork 1 of first fork truck 100 obtains dodging effectively when stretching into the bottom of charging cabinet 200, can make the process of stretching into more smooth and easy, saves fork truck 100 and charging cabinet 200's connection time.
In the process that the forklift 100 is connected with the charging cabinet 200 for charging, the upper surface of the charging terminal 2 is in contact with the lower surface of the charging connector 202 so as to conduct the current between the charging terminal 2 and the charging connector 202, therefore, the charging terminal 2 and the charging connector 202 are in surface contact, the current transmission quantity is large, the transmission efficiency is high, the charging time can be effectively shortened, and the charging cost is reduced.
In some embodiments, the fork 1 is provided with a movable baffle, the baffle is movably mounted on the fork 1, the baffle is used for shielding the charging terminal 2, and the baffle is moved to a position where the charging terminal 2 is opened before charging, so that the charging connector 202 and/or the discharging terminal 5 can be electrically connected with the charging terminal 2 during charging.
The shutter is used to shield the charging terminal 2 to protect the charging terminal 2, and moves to a position where the charging terminal 2 is opened when charging. When can understand, charging terminal 2 locates the upper surface of fork 1, when fork truck 100 need not charge, charging terminal 2 exposes, from this, through establishing the baffle at fork 1, can avoid the object in the place of fork truck 100 place to cause destruction to charging terminal 2, improves the security that charging terminal 2 used.
The present invention also provides a rescue method for the forklift 100, which can be implemented by the forklift 100 according to any of the above embodiments, and the rescue method according to the embodiment of the present invention is described in detail below.
As shown in fig. 7, the rescue method is applicable to two forklifts 100, where the two forklifts 100 include a first forklift 100 and a second forklift 100, and the specific rescue method includes:
when the second forklift 100 is low in power, the fork 1 of the second forklift 100 is inserted into the bottom of the first forklift 100 so that the charging terminal 2 of the second forklift 100 is electrically connected with the discharging terminal 5 of the first forklift 100. Therefore, the electric energy in the electric storage device 4 of the first forklift 100 can be transmitted to the second forklift 100, so that the second forklift 100 has sufficient electric quantity, a good use state is kept, the charging process is simple, the charging at any time is easy to realize, and the limitation of the installation position of the charging pile is small.
It should be noted that, in the process of using the forklift 100, the electric quantity is insufficient, and the forklift 100 can not rely on the remaining electric quantity to operate to the place where the charging pile is located, the forklift 100 with sufficient other electric quantities can be connected with the forklift 100, so as to effectively charge the forklift 100 with insufficient electric quantity, the purpose of safety rescue is achieved, the situation that the forklift 100 is insufficient in electric quantity and cannot normally charge is avoided, it is ensured that the forklift 100 can be effectively charged in any workplace, the forklift 100 always has a good working state, the safety and the reliability of using the forklift 100 are improved, the problem that the charging is not timely due to the fact that the installation position of the charging cabinet 200 is far away is solved, and the practicability is better.
According to the rescue method for the forklift 100, when the electric quantity of the forklift 100 is insufficient, the forklift 100 is charged through another forklift 100 with higher electric quantity, so that the forklift 100 with insufficient electric quantity can be rescued in time, the rescue process is simple and convenient, the limit of the installation position of the charging cabinet 200 is small, and the initiative is strong.
During rescue, as shown in fig. 7, the upper surface of the charging terminal 2 of the second forklift 100 contacts the lower surface of the discharging terminal 5 of the first forklift 100 to transmit current between the charging terminal 2 and the discharging terminal 5. From this, charge terminal 2 and the joint 202 that charges for the face contact, the electric current transmission volume is great, and transmission efficiency is higher, can shorten the rescue time effectively, reduces the rescue cost.
Before the fork 1 of the second forklift 100 extends into the bottom of the first forklift 100, the body 3 of the first forklift 100 is tilted so that the first forklift 100 tilts forward, so that a sufficient space is reserved between the bottom of the first forklift 100 and the ground, the fork 1 of the second forklift 100 extends into the space at the bottom of the first forklift 100, and the charging terminal 2 is electrically connected with the discharging terminal 5. Therefore, the process that the second forklift 100 extends into the bottom of the first forklift 100 is smoother, and the rescue time is saved.
In some embodiments, the fork 1 is connected to the vehicle body 3, the fork 1 may be fixedly connected to the vehicle body 3, the fork 1 of the forklift 100 is rotated around its wheels toward the direction close to the ground to tilt the forklift 100 forward, so that the bottom of the vehicle body 3 and the ground reserve a sufficient space, the fork 1 of the second forklift 100 can conveniently extend into the space at the bottom of the vehicle body 3 of the first forklift 100, the charging terminal 2 is conveniently connected to the discharging terminal 5, the time for the second forklift 100 to extend into is saved, and the rescue time is reduced.
In some embodiments, the fork 1 of the first forklift 100 extends into the bottom of the charging cabinet 200, the bottom of the charging cabinet 200 is provided with a second avoiding cavity 201, the second avoiding cavity 201 is used for avoiding the fork 1, the top wall of the second avoiding cavity 201 is provided with a charging connector 202, and the charging terminal 2 is connected with the charging connector 202. Therefore, the pallet fork 1 of the first forklift 100 is effectively avoided when extending into the bottom of the charging cabinet 200, the extending process can be smoother, and the connection time of the forklift 100 and the charging cabinet 200 is saved.
In the process that the forklift 100 is connected with the charging cabinet 200 for charging, the upper surface of the charging terminal 2 is in contact with the lower surface of the charging connector 202 so as to conduct the current between the charging terminal 2 and the charging connector 202, therefore, the charging terminal 2 and the charging connector 202 are in surface contact, the current transmission quantity is large, the transmission efficiency is high, the charging time can be effectively shortened, and the charging cost is reduced.
In some embodiments, the fork 1 is provided with a movable baffle, the baffle is movably mounted on the fork 1, the baffle is used for shielding the charging terminal 2, and the baffle is moved to a position where the charging terminal 2 is opened before charging, so that the charging connector 202 and/or the discharging terminal 5 can be electrically connected with the charging terminal 2 during charging.
The shutter is used to shield the charging terminal 2 to protect the charging terminal 2, and moves to a position where the charging terminal 2 is opened when charging. When can understand, charging terminal 2 locates the upper surface of fork 1, when fork truck 100 need not charge, charging terminal 2 exposes, from this, through establishing the baffle at fork 1, can avoid the object in the place of fork truck 100 place to cause destruction to charging terminal 2 to when fork truck 100 rescues, charging terminal 2 has good operating condition, improves the security and the reliability that charging terminal 2 used, is convenient for realize the rescue process.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A forklift, comprising:
the fork is provided with a charging terminal which is suitable for being connected with a charging connector of the charging cabinet;
the fork is connected with the truck body, the truck body is provided with an electric storage device for storing electric energy, and the charging terminal is electrically connected with the electric storage device;
a shutter movably mounted to the fork, the shutter for shielding the charging terminal;
the driving piece is mounted on the pallet fork and used for driving the baffle to move so as to shield or open the charging terminal;
the charging terminal is arranged on the upper surface of the pallet fork;
the output shaft of the driving piece is provided with a reel, and two ends of a guy cable wound on the reel are respectively connected with two sides of the baffle plate so as to drive the baffle plate to move;
at least two reels arranged at intervals along the length direction of the charging terminal;
the baffle comprises a first sub-board, a second sub-board and a third sub-board which are sequentially connected, the first sub-board is hinged with the second sub-board, the second sub-board is hinged with the third sub-board, and two ends of the stay cable are respectively connected with the first sub-board and the third sub-board;
the sum of the widths of the first sub-board, the second sub-board and the third sub-board is equal to the width of the fork, the width of the second sub-board is equal to the thickness of the fork, when the driving piece drives the baffle to move until the charging terminal is opened, the second sub-board is located on the side face of the fork, and the first sub-board and the third sub-board are opposite to each other in the thickness direction;
or the baffle is a flexible piece, and when the baffle moves to open the charging terminal, the baffle wraps the side face of the pallet fork.
2. The lift truck of claim 1, wherein there are two forks and the charging terminals comprise a positive charging terminal and a negative charging terminal, the positive charging terminal and the negative charging terminal being provided to the two forks, respectively.
3. The forklift according to any one of claims 1-2, wherein the vehicle body is provided with a discharging terminal and a discharging device, the discharging terminal being electrically connected with the electrical storage device through the discharging device, the discharging terminal being for electrical connection with the charging terminal of another forklift to charge the another forklift.
4. The forklift of claim 3, wherein the bottom of the body is provided with a first avoidance cavity which is open downwards, the discharging terminal is arranged in the first avoidance cavity and is spaced from the ground, and the fork of the other forklift is suitable for extending into the first avoidance cavity so as to electrically connect the charging terminal and the discharging terminal.
5. The forklift of claim 4, wherein a movable cover is disposed in the first avoidance chamber, the cover being configured to cover the discharge terminals and move to a position where the discharge terminals are open during charging.
6. The lift truck of any one of claims 1-2, wherein the forks are fixedly connected to a truck body of the lift truck, the lift truck further comprising: the fork inclination angle adjusting mechanism is arranged on the fork and is suitable for being supported on the ground, and the fork inclination angle adjusting mechanism is used for adjusting the inclination angle of the fork.
7. The lift truck of claim 6, wherein the fork tilt adjustment mechanism comprises:
the rocker arm is pivotally arranged on the vehicle body at one end;
the pallet fork is arranged on the pallet fork, the pallet is arranged on the pallet fork, and the pallet is arranged on the pallet fork;
the first end of the pull rod is connected with the other end of the rocker arm, and the second end of the pull rod is connected with the middle part of the supporting wheel arm; wherein
When the rocker arm rotates relative to the vehicle body, the rocker arm pulls the supporting wheel arm to move through the pull rod so that the fork is close to or far away from the roller.
8. A charging cabinet, characterized in that the lower end of the charging cabinet is provided with a second avoidance cavity for avoiding a fork according to any one of claims 1-7, and the top wall of the second avoidance cavity is provided with a charging connector.
9. The charging cabinet of claim 8, wherein the charging connector is floatably mounted to a top wall of the second avoidance cavity.
10. The charging cabinet of claim 9, wherein the charging connector is mounted to the charging cabinet by a plurality of independent elastic devices, so that different regions of the working surface of the charging connector have different floating amounts, and the upper surface of the charging terminal is attached to the lower surface of the charging connector when the fork extends into the second avoiding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544185.7A CN111319484B (en) | 2018-12-17 | 2018-12-17 | Fork truck and cabinet that charges |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544185.7A CN111319484B (en) | 2018-12-17 | 2018-12-17 | Fork truck and cabinet that charges |
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| CN111319484A CN111319484A (en) | 2020-06-23 |
| CN111319484B true CN111319484B (en) | 2022-03-18 |
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| CN207128837U (en) * | 2017-06-30 | 2018-03-23 | 蒋春兰 | A kind of protection structure of automobile intelligent multiple spot burglar alarm |
| CN207192696U (en) * | 2017-08-28 | 2018-04-06 | 宁波如意股份有限公司 | A kind of tray forklift |
| CN207190831U (en) * | 2017-09-29 | 2018-04-06 | 苏州罗伯特木牛流马物流技术有限公司 | Formula AGV chargers are filled on top and formula AGV fork trucks are filled on top |
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| JP2001151492A (en) * | 1999-12-01 | 2001-06-05 | Nippon Yusoki Co Ltd | Lock for battery cover |
| CN205916987U (en) * | 2016-08-27 | 2017-02-01 | 湖北联合兄弟工业设备有限公司 | Antiskid forklift fork |
| CN206349539U (en) * | 2016-12-27 | 2017-07-21 | 比亚迪股份有限公司 | Automatical pilot transportation vehicle and its charging connector, cradle, charging structure |
| CN207128837U (en) * | 2017-06-30 | 2018-03-23 | 蒋春兰 | A kind of protection structure of automobile intelligent multiple spot burglar alarm |
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| CN111319484A (en) | 2020-06-23 |
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