CN217650846U

CN217650846U - Electric unmanned forklift

Info

Publication number: CN217650846U
Application number: CN202221014728.6U
Authority: CN
Inventors: 泮振宇; 田丰; 方浩翔; 褚春波; 张尧尧
Original assignee: Ningbo Ruyi JSCL
Current assignee: Ningbo Ruyi JSCL
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-10-25
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses an electronic unmanned fork truck, include: the frame mechanism is provided with an accommodating cavity, and the accommodating cavity is divided into a first accommodating space and a second accommodating space along the vertical direction; the power mechanism comprises a battery and a power assembly, wherein the battery is arranged in the first accommodating space, and the power assembly is arranged in the second accommodating space; the navigation mechanism is arranged on the frame mechanism and used for guiding the forklift to automatically drive; the battery sets up in power component's top, can reduce the horizontal occupation space of level, and then reduces fork truck's turning radius, reduces the width that occupies of fork truck passageway, improves the space utilization of factory building or storehouse.

Description

Electric unmanned forklift

Technical Field

The utility model relates to a fork truck's technical field especially relates to an electronic unmanned fork truck.

Background

Along with the progress of society, intelligent products have slowly popularized in our life, and have the embodiment in many aspects, for example unmanned fork truck that appears in the fork truck field, it utilizes the battery to whole power supply of fork truck to utilize laser sensor response and the distance between the barrier, the automatic goods of getting of forking, it does not need the people to stand on fork truck and operates, and is comparatively intelligent.

However, in the prior art, the battery, the driving motor, the rotating motor and the lifting oil cylinder are all arranged in the same plane of the frame main body, so that the width of the frame main body in the arrangement direction of the pallet fork is large, the occupied size is large, under the condition that the length of the pallet fork is not changed, the whole length of the forklift is increased, the turning radius of the forklift is large when the forklift turns, the width of the forklift channel in the storehouse required to be occupied is large, and the waste of the space of the storehouse is caused.

Disclosure of Invention

Not enough to the above-mentioned of prior art, the utility model aims to solve the technical problem that an electronic unmanned fork truck is proposed, arrange battery and other power component perpendicularly to with power component sequencing in proper order around going on in the second accommodation space, reduce the car frame body and arrange the occupation space of direction at the fork, reduce fork truck's turn radius, improve the space utilization of storehouse.

The utility model provides a technical scheme that its technical problem adopted is an electronic unmanned fork truck, include:

the frame mechanism is provided with an accommodating cavity, and the accommodating cavity is divided into a first accommodating space and a second accommodating space along the vertical direction;

the power mechanism comprises a battery and a power assembly, wherein the battery is arranged in the first accommodating space, and the power assembly is arranged in the second accommodating space;

and the navigation mechanism is arranged on the frame mechanism and used for guiding the forklift to drive automatically.

According to the electric unmanned forklift, the power assembly comprises a driving wheel, a rotating motor, a hydraulic power unit and a lifting oil cylinder;

the second holds the chamber space and includes the horizontal space of first horizontal space and the second that transversely sets up, drive wheel, rotation motor and hydraulic power unit all sets up in the first horizontal space, just rotate the motor and hydraulic power unit sets up respectively the both sides of drive wheel, lift cylinder is located in the horizontal space of second.

According to the electric unmanned forklift, the frame mechanism comprises a frame main body, the forks which are connected with the frame main body in a liftable mode and the bearing wheels which are arranged at one ends, far away from the frame main body, of the two forks, and the accommodating cavity is located in the frame main body;

the first accommodating space is located right above the second accommodating space.

According to an electronic unmanned fork truck, frame main part inboard be equipped with two guide rails of perpendicular arrangement, fork one end pass through the gyro wheel with the guide rail meets, and every the fork all with one lift cylinder meets.

According to the electric unmanned forklift, the driving wheel is provided with the driving wheel seat, the outer side of the top of the driving wheel seat is provided with the large gear, the output shaft of the rotating oil cylinder is provided with the small gear, and the large gear is meshed with the small gear;

the driving wheel seat is movably connected with the frame main body through a damping component.

According to the electric unmanned forklift, the damping assembly comprises an upper cross beam, a lower cross beam and a fixed shaft movably arranged between the upper cross beam and the lower cross beam, a damping spring is sleeved on the outer side of the fixed shaft, and the driving wheel seat is connected with the fixed shaft through a support;

and a pressurizing oil cylinder is arranged on the lower side of the upper cross beam, and a pressurizing spring is arranged on a piston rod of the pressurizing oil cylinder and is abutted against the driving wheel seat.

According to an electronic unmanned fork truck, damper, pressure boost hydro-cylinder and lift cylinder all are located in the horizontal space of second, two the fixed axle is located respectively the left and right sides of pressure boost hydro-cylinder, two lift cylinder is located two respectively the outside of fixed axle.

According to the electric unmanned forklift, the navigation mechanism comprises the navigation sensor, the navigation sensor is arranged at the top of the frame main body through the upright post, and the frame main body on two sides of the navigation sensor is provided with the emergency stop switch;

the anti-collision frame is characterized in that an operation screen and an anti-collision strip are arranged on the frame main body, the operation screen is arranged on the back face of the frame main body, the anti-collision strip is arranged at the side edge of the bottom of the frame main body, an induction switch is arranged in the anti-collision strip, and the induction switch is used for transmitting collision signals.

According to the electric unmanned forklift, the navigation mechanism further comprises obstacle avoidance sensors, the obstacle avoidance sensors are arranged at the tail end of the frame main body and the front end of the fork respectively, and the obstacle avoidance sensors are used for detecting obstacles.

According to the electric unmanned forklift, the electric unmanned forklift further comprises a detection switch, wherein the detection switch protrudes/folds on the front end face of the frame main body, and is positioned right above the tail end of the fork.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

1. the battery is arranged above the power assembly, so that the horizontal and transverse occupied space can be reduced, the turning radius of the forklift is further reduced, the occupied width of a forklift channel is reduced, and the space utilization rate of the warehouse is improved;

2. the second accommodating space is divided into a first transverse space and a second transverse space which are transversely arranged, and the power assemblies are sequentially distributed in the first transverse space and the second transverse space, so that the transverse width of the frame main body is further reduced;

3. when the fork is used for forking heavy objects, the pressurizing oil cylinder can press the driving wheel seat downwards through the pressurizing spring, so that the driving wheel is tightly grabbed on the bottom surface, the friction force is increased, and the fork truck is not easy to tip over;

4. obstacle avoidance sensors are arranged at the tail end of the frame main body and the front end of the fork, and can sense obstacles on the front side and the rear side of the fork truck, so that the safety performance of the fork truck is guaranteed;

5. be equipped with detection switch on the preceding terminal surface of frame main part, after the fork was got the goods, the goods motion will be supported and press detection switch to the fork tail end, and detection switch transmits information to control system, and control system controls the lift of fork again, and intelligent degree is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the frame mechanism of the present invention;

FIG. 3 is a schematic structural view of the elastic assembly of the present invention;

fig. 4 is a rear schematic view of the overall structure of the present invention;

fig. 5 is a schematic view of a fork assembly structure of the present invention;

in the figure:

100. a frame mechanism; 110. a frame main body; 111. a guide rail; 112. a scram switch; 113. an operation screen; 114. an anti-collision strip; 120. a pallet fork; 121. a roller; 130. a load wheel; 200. a power mechanism; 210. a battery; 221. a drive wheel; 221a, a driving wheel seat; 221b, a bull gear; 222. rotating the motor; 222a, a pinion gear; 223. a hydraulic power unit; 224. a lift cylinder; 230. a shock-absorbing assembly; 231. an upper cross beam; 232. a lower cross beam; 233. a fixed shaft; 234. a damping spring; 240. a pressurizing oil cylinder; 241. a pressurizing spring; 250. an auxiliary wheel; 300. a navigation mechanism; 310. a navigation sensor; 320. an obstacle avoidance sensor; 400. and (6) detecting a switch.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1 to 5, the utility model discloses an electric unmanned forklift, including:

the frame mechanism 100 has a receiving cavity, the receiving cavity is divided into a first receiving space and a second receiving space along the vertical direction, and the first receiving space and the second receiving space belong to the position relationship of the upper and lower positions.

Power unit 200, it includes battery 210 and power component, wherein, battery 210 sets up in the first accommodation space, power component sets up in the second accommodation space, the mode of arranging about battery 210 and power component adopt promptly arranges the intracavity that holds at frame mechanism 100, can reduce the horizontal occupation space of frame mechanism 100, and then reduces fork truck's turning radius, when being applied to in factory building, storehouse or other closed spaces, can reduce the width of fork truck transport way, and then improve space utilization.

And the navigation mechanism 300 is arranged on the frame mechanism 100 and used for guiding the forklift to automatically drive.

Preferably, power component includes drive wheel 221, rotates motor 222, hydraulic power unit 223 and lift cylinder 224, and the second holds the chamber space and includes the horizontal space of the first horizontal space and the second that transversely set up, drive wheel 221, rotate motor 222 and hydraulic power unit 223 all sets up in the first horizontal space, just rotate motor 222 and hydraulic power unit 223 sets up respectively the both sides of drive wheel 221, lift cylinder 224 is located in the horizontal space of second is divided into two spaces of transversal arrangement with the second accommodation space to settle each power component in two spaces of transversal arrangement, arrange it in proper order with it, make space utilization in the first horizontal space high, further reduce its turning radius.

Further preferably, the frame mechanism 100 includes a frame main body 110, two forks 120 liftably connected to the frame main body 110, and load wheels 130 disposed at two ends of the forks 120 far away from the frame main body 110, the accommodating cavity is located in the frame main body 110, the load wheels 130 are configured to provide rolling support for the forks 120, the arrangement direction of the forks 120 is consistent with the width direction of the frame main body 110, that is, the width of the frame main body 110 is reduced, the overall length of the forklift can be reduced, and the turning radius of the forklift is reduced, wherein the first accommodating space is located directly above the second accommodating space.

Further preferably, an electrical system is provided in the first lateral space for supplying power to the rotating motor 222, and a plug hole for charging the electrical system is provided at one side of the frame body 110.

Further preferably, two guide rails 111 are vertically arranged on the inner side of the frame body 110, one end of each fork 120 is connected with the guide rail 111 through a roller 121, each fork 120 is connected with one lifting cylinder 224, the lifting cylinders 224 drive the forks 120 to lift along the guide rails 111, and the rollers 121 change sliding into rolling, so that friction resistance is reduced, and loss of the lifting cylinders 224 is reduced.

Preferably, a driving wheel seat 221a is arranged on the driving wheel 221, a large gear 221b is arranged on the outer side of the top of the driving wheel seat 221a, a small gear 222a is arranged on an output shaft of the rotating motor 222, the large gear 221b is meshed with the small gear 222a, the driving wheel seat 221a is movably connected with the frame main body 110 through a damping assembly 230, the rotating motor 222 drives the driving wheel seat 221a to rotate through the meshing of the small gear 222a and the large gear 221b, and further drives the driving wheel 221 to rotate, so that the rotating speed of the driving wheel 221 can be reduced.

It is further preferred that auxiliary wheels 250 are provided on both sides of the driving wheel 221 to prevent it from tipping over.

Further preferably, the damping assembly 230 includes an upper beam 231, a lower beam 232 and a fixing shaft 233 movably disposed between the upper beam 231 and the lower beam 232, a damping spring 234 is sleeved outside the fixing shaft 233, the driving wheel seat 221a is connected to the fixing shaft 233 through a bracket, the damping spring 234 is used for providing damping for the frame main body 110, when an uneven road surface is crossed, a part of force of the up-and-down movement of the driving wheel 221 is absorbed through the damping spring 234, so as to avoid severe vibration of the frame main body 110, a pressurizing cylinder 240 is disposed on the lower side of the upper beam 231, a piston rod of the pressurizing cylinder 240 is provided with a pressurizing spring 241 which abuts against the driving wheel seat 221a, when the fork 120 forks a heavy object, the piston rod of the pressurizing cylinder 240 moves downward, and the pressurizing spring 241 provides elastic downward force for the driving wheel seat 221a, so that the driving wheel 221 tightly grips the ground surface and is not easy to slip.

Further preferably, the shock absorbing assembly 230, the booster cylinder 240 and the lift cylinders 224 are located in the second transverse space, the two fixed shafts 233 are located at the left and right sides of the booster cylinder 240, respectively, and the two lift cylinders 224 are located at the outer sides of the two fixed shafts 233, respectively, wherein one lift cylinder 224 is located right in front of the hydraulic power unit 223, and the other lift cylinder 224 is located right in front of the electrical system, so as to further reduce the width of the frame body 110.

Preferably, the navigation mechanism 300 includes a navigation sensor 310, the navigation sensor 310 is disposed on the top of the frame body 110 through a pillar, the scram switch 112 is disposed on the frame body 110 on two sides of the navigation sensor 310, the navigation sensor 310 is used for guiding the forklift, and the scram switch 112 can be used in an emergency to stop the forklift in an emergency.

Further preferably, be equipped with operation panel 113 and anticollision strip 114 on frame main part 110, operation panel 113 sets up the back of frame main part 110, anticollision strip 114 sets up the side department of frame main part 110 bottom, just be equipped with inductive switch in the anticollision strip 114, inductive switch is used for transmitting the collision signal, can send the action command to fork truck through operation panel 113, and after anticollision strip 114 contact barrier, inductive switch transmits the collision signal to fork truck's control system in, and then the next motion of control fork truck.

Further preferably, the navigation mechanism 300 further includes an obstacle avoidance sensor 320, the obstacle avoidance sensors 320 are respectively disposed at the rear end of the frame body 110 and the front end of the fork 120, and the obstacle avoidance sensor 320 is configured to detect an obstacle, that is, in the movement process of the forklift, the distances between the front end and the rear end of the forklift and the obstacle can be detected, so as to ensure driving safety.

Preferably, the vehicle fork further comprises a detection switch 400, the detection switch 400 protrudes/folds from the front end surface of the frame main body 110, the detection switch 400 is located right above the tail end of the fork 120, the detection switch 400 protrudes from the front end surface of the frame main body 110 in a normal state, when the fork 120 forks to take goods, the goods can be pressed to the detection switch 400 and folded into the front end surface of the frame main body 110, and at this time, the detection switch 400 feeds back a signal to the control system to control the lifting of the fork 120.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions of the embodiments as "first," "second," "a," etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of the indicated features is indicative. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Claims

1. An electric unmanned forklift, comprising:

2. The electric unmanned forklift of claim 1, wherein the power assembly comprises a drive wheel, a rotating motor, a hydraulic power unit, and a lift cylinder;

the second accommodation space includes the horizontal space of first horizontal space and the horizontal space of second that transversely sets up, drive wheel, rotation motor and hydraulic power unit all sets up in the first horizontal space, just rotate the motor and hydraulic power unit sets up respectively the both sides of drive wheel, lift cylinder is located in the horizontal space of second.

3. The electric unmanned forklift as claimed in claim 2, wherein the frame mechanism comprises a frame body, a fork which is connected with the frame body in a liftable mode, and a bearing wheel which is arranged at one end, far away from the frame body, of the two forks, and the accommodating cavity is located in the frame body;

4. An electric unmanned forklift as claimed in claim 3, wherein the frame body is provided at its inner side with two vertically arranged guide rails, one end of the fork is connected to the guide rails via a roller, and each fork is connected to one of the lift cylinders.

5. The electric unmanned forklift as claimed in claim 3, wherein a driving wheel seat is provided on the driving wheel, a large gear is provided on an outer side of a top of the driving wheel seat, a small gear is provided on an output shaft of the rotating motor, and the large gear is engaged with the small gear;

6. The electric unmanned forklift as claimed in claim 5, wherein the damping assembly comprises an upper cross beam, a lower cross beam and a fixed shaft movably arranged between the upper cross beam and the lower cross beam, a damping spring is sleeved outside the fixed shaft, and the driving wheel seat is connected with the fixed shaft through a bracket;

and a pressurizing oil cylinder is arranged on the lower side of the upper cross beam, and a pressurizing spring is arranged on a piston rod of the pressurizing oil cylinder and is abutted to the driving wheel seat.

7. The electric unmanned forklift of claim 6, wherein the shock absorbing assembly, the booster cylinder and the lift cylinders are all located in the second transverse space, the two fixed shafts are located on left and right sides of the booster cylinder, respectively, and the two lift cylinders are located on outer sides of the two fixed shafts, respectively.

8. The electric unmanned forklift as claimed in claim 3, wherein the navigation mechanism comprises a navigation sensor, the navigation sensor is arranged at the top of the frame body through a stand column, and the frame body on two sides of the navigation sensor is provided with an emergency stop switch;

9. The electric unmanned forklift as claimed in claim 8, wherein the navigation mechanism further comprises obstacle avoidance sensors, the obstacle avoidance sensors are respectively disposed at the tail end of the frame body and the front end of the fork, and the obstacle avoidance sensors are configured to detect obstacles.

10. The electric unmanned forklift as claimed in claim 3, further comprising a detection switch, wherein the detection switch is protruded/folded on a front end surface of the frame main body, and the detection switch is located right above a tail end of the fork.