Laser navigation forklift

By opening through holes at both ends of the forks and installing a front navigation lidar on a fixed rod, the problem of the forklift obstructing the navigation lidar when the forklift is lifted high is solved, thus achieving stable navigation and efficient transportation of the forklift.

CN223950672UActive Publication Date: 2026-02-27WUHAN DONGSHUNDEQIAO PARTS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520639488.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-27
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

When existing laser-guided forklifts lift items at a height, the items can easily obstruct the navigation laser radar, affecting the forklift's navigation and movement, and reducing the device's practicality.

Method used

Through holes are made inside both ends of the forks, and a front navigation lidar is installed on the fixed rod, so that the lidar can emit and receive lasers through the through holes. At the same time, a lifting mechanism and a limiting mechanism are installed on the forklift body to ensure that the lifting of the forks and the goods does not affect the use of the lidar.

Benefits of technology

It improves the practicality of forklift navigation and movement, and enhances the stability and ease of operation of forklifts when transporting heavy loads.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223950672U_ABST
    Figure CN223950672U_ABST
Patent Text Reader

Abstract

The utility model provides a laser navigation forklift which comprises a forklift body, a containing groove is formed in one end of the forklift body, a side door is movably installed on the front side of the containing groove through a shaft rod, a limiting mechanism is arranged between the top end of the side door and the forklift body, and a pallet fork is arranged at the other end of the forklift body through a lifting mechanism. The lifting mechanism comprises a fixing frame. The front navigation laser radar is arranged in one end of the fixing rod, and the through holes are formed in the two ends of the pallet fork, so that the front navigation laser radar can emit and receive laser through the through holes, use of the front navigation laser radar cannot be affected by lifting of the pallet fork and articles, and navigation movement of the forklift is facilitated; therefore, the practicability of the forklift is improved; and a balancing weight can be placed in the placing groove and the side door, so that the stability of the forklift is improved conveniently when a heavy object is moved, and a worker can conveniently stand in the placing groove to monitor the forklift.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to laser navigation forklift technical field, concretely is a kind of laser navigation forklift. BACKGROUND

[0002] Laser navigation forklift is a kind of advanced technology such as laser radar, sensor, controller is positioned and navigated automatic forklift, also called unmanned forklift, it can realize self-planning optimal path, evading obstacles, handling goods etc.

[0003] The Chinese utility model patent with publication number CN215402891U proposes a laser navigation automatic forklift, which comprises a forklift body, a portal is arranged on the forklift body, a navigation laser radar is arranged on the portal, the forklift body is provided with an obstacle avoidance laser radar, a main controller and a navigation controller electrically connected with the main controller are arranged in the forklift body, the navigation controller is electrically connected with the navigation laser radar and the obstacle avoidance laser radar.

[0004] The above-mentioned scheme provides real-time data to the navigation controller through the navigation laser radar, and the navigation controller constructs a map, and avoids obstacles in combination with real-time data of the obstacle avoidance laser radar and the ultrasonic sensor, realizes autonomous navigation and obstacle avoidance, and at the same time, the audible and visual alarm and the emergency stop switch are arranged to alarm and stop running in an emergency, and the anti-collision strip is arranged to improve and ensure the running safety of the forklift; but in actual use, the pallet fork needs to fork the goods and lift them upwards to move the goods, when the goods forked by the pallet fork are high, the goods are easy to shield the navigation laser radar, thereby affecting the movement of the forklift, and the practicability of the device is reduced.

[0005] Therefore, the utility model provides a laser navigation forklift. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a laser navigation forklift to solve the problems in the background art, the utility model is provided with a front navigation laser radar in one end of the fixed rod, and a through hole is formed in both ends of the pallet fork, so that the front navigation laser radar can emit and receive laser through the through hole, and the lifting of the pallet fork and the goods will not affect the use of the front navigation laser radar, which facilitates the navigation movement of the forklift, thereby improving the practicability of the forklift.

[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a laser navigation forklift, including forklift main part, one end of forklift main part is provided with the placing groove, the front side of placing groove is equipped with side door through the shaft rod swing installation, the top of side door and forklift main part between be provided with the stop gear, the other end of forklift main part is equipped with pallet fork through the lifting mechanism, the lifting mechanism includes fixed frame, the bottom of fixed frame fixedly symmetrical fixed with fixed rod, the inside fixed of one end of fixed rod is provided with front navigation laser radar, the plan view shape of pallet fork is'U'type, the inside of the both ends of pallet fork is opened in the through -hole, the side wall of the top of pallet fork is fixedly provided with slide plate, the fixed frame is frame, the inside of fixed frame is provided with slide plate limit sliding.

[0008] Further, the stop gear includes an L-shaped rod and a plug rod, the L-shaped rod is fixedly arranged outside the top of the side door, and a plug hole is formed in the inside of one end of the L-shaped rod.

[0009] Further, the plug rod is limitingly and slidably arranged in the inside of the top of the placing groove, a spring is fixedly arranged between the middle position of the plug rod and the inner wall of the placing groove, and the bottom of the plug rod is inserted into the inside of the plug hole.

[0010] Further, the top of the forklift main body is provided with an operation table, and the rear navigation laser radar is fixedly arranged at the bottom of one end of the forklift main body.

[0011] Further, the fixed frame is fixedly arranged on the outer wall of the other end of the forklift main body, the pallet fork is movably arranged on one side of the fixed frame, and a contact roller is rotatably arranged between one end of the pallet fork and the fixed frame.

[0012] Further, the lifting mechanism further includes a servo motor and a screw rod, the servo motor is fixedly arranged in the inside of the bottom of the forklift main body at a position corresponding to the fixed frame, the screw rod is rotatably arranged in the inside of the fixed frame, and a transmission gear is arranged between the screw rod and the servo motor.

[0013] Further, the transmission gear includes a first gear and a second gear, the first gear is fixedly arranged on the output shaft of the servo motor, the second gear is fixedly arranged at the bottom of the screw rod, the first gear and the second gear are arranged in meshing and parallel, and the slide plate is screwedly arranged on the outside of the screw rod.

[0014] Further, an audible and visual alarm is fixedly arranged at the top center position of the fixed frame, and a mute roller is rotatably arranged in the inside of the bottom of the fixed rod.

[0015] The utility model discloses a laser navigation forklift has set up the front navigation laser radar in the one end inside of fixed link, and has set up the through hole in the both ends inside of goods fork, makes the front navigation laser radar can carry out laser emission and reception through the through hole, and the lifting of goods fork and article will not influence the use of the front navigation laser radar, and the forklift is convenient for navigation movement to improve the practicability of the forklift, the counterweight can be placed through the setting of the placing groove and side door, and when the heavier article is moved, the stability of the forklift is improved, and the staff is also convenient for standing in the inside of placing groove and monitoring the forklift. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structure diagram of the utility model laser navigation forklift,

[0017] Fig. 2 It is the front view sectional view of the utility model laser navigation forklift,

[0018] Fig. 3 It is the goods fork structure diagram of the utility model laser navigation forklift,

[0019] Fig. 4 It is the limiting mechanism structure diagram of the utility model laser navigation forklift,

[0020] In the drawing: 1, forklift main body;2, operating platform;3, placing groove;4, side door;5, fixed frame;6, lifting mechanism;7, fixed link;8, mute gyro wheel;9, goods fork;10, audible -visual alarm;11, rear navigation laser radar;12, front navigation laser radar;13, through hole;14, servo motor;15, transmission gear;16, limiting mechanism;17, slide plate;18, contact gyro wheel;19, L type pole;20, plug-in rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] Please refer to Figs. 1 to 4The utility model provides a kind of technical scheme: a laser navigation fork truck, including fork truck main body 1, the one end of fork truck main body 1 is provided with placing groove 3, the front side of placing groove 3 is movably installed with side door 4 by shaft rod, the top end between side door 4 and fork truck main body 1 is provided with limiting mechanism 16, the other end of fork truck main body 1 is provided with pallet fork 9 by lifting mechanism 6, and lifting mechanism 6 includes fixed frame 5;The fixed end of fixed frame 5 is fixedly provided with fixed rod 7, and the inside of one end of fixed rod 7 is fixedly provided with front navigation laser radar 12;The plan view shape of pallet fork 9 is "U" type, and the inside of the front and rear ends of pallet fork 9 is symmetrically provided with through hole 13;The sidewall on the top end of pallet fork 9 is fixedly provided with sliding plate 17;Fixed frame 5 is frame-shaped frame, and sliding plate 17 is limitingly and slidably arranged in the inside of fixed frame 5;Front navigation laser radar 12 is installed in the inside of one end of fixed rod 7, cooperates with through hole 13, facilitates the emission and reception of laser of front navigation laser radar 12, the rising of goods carried by pallet fork 9 does not affect the use of front navigation laser radar 12, facilitates the movement of the fork truck, so as to improve the practicability of the fork truck.

[0023] In the embodiment, the limiting mechanism 16 includes an L-shaped rod 19 and a plug rod 20. The L-shaped rod 19 is fixedly arranged outside the top end of the side door 4. An insertion hole is formed in the inside of one end of the L-shaped rod 19. The plug rod 20 is limitingly and slidably arranged in the inside of the top end of the placing groove 3. A spring is fixedly arranged between the middle position of the plug rod 20 and the inner wall of the placing groove 3. The bottom end of the plug rod 20 is inserted into the insertion hole. The plug rod 20 can limit the L-shaped rod 19 under the elastic force of the spring, so as to facilitate the stability of the side door 4. The plug rod 20 can also be pulled upwards to open the side door 4, so as to facilitate the placement of a counterweight in the inside of the placing groove 3 and facilitate the up-and-down placement of the placing groove 3 by the staff.

[0024] In the embodiment, the top end of the fork truck main body 1 is provided with an operation table 2. The bottom end of one end of the fork truck main body 1 is fixedly provided with a rear navigation laser radar 11. The operation table 2 facilitates the operation of the fork truck. The rear navigation laser radar 11 can also navigate the fork truck, so as to facilitate the movement of the fork truck.

[0025] In the embodiment, the fixed frame 5 is fixedly arranged on the outer wall of the other end of the fork truck main body 1. The pallet fork 9 is movably arranged on one side of the fixed frame 5. A contact roller 18 is rotatably arranged between one end of the pallet fork 9 and the fixed frame 5. The contact roller 18 can reduce the friction between the pallet fork 9 and the fixed frame 5, so as to facilitate the lifting movement of the pallet fork 9.

[0026] The lifting mechanism 6 further comprises a servo motor 14 and a screw rod, the servo motor 14 is fixedly arranged at the bottom end of the forklift body 1, the screw rod is rotatably arranged in the fixed frame 5, the transmission gear 15 is arranged between the screw rod and the servo motor 14, the transmission gear 15 comprises a first gear and a second gear, the first gear is fixedly arranged on the output shaft of the servo motor 14, the second gear is fixedly arranged at the bottom end of the screw rod, the first gear and the second gear are arranged in parallel and meshed with each other, the sliding plate 17 is screwed on the outside of the screw rod, the servo motor 14 and the transmission gear 15 can adjust the rotation of the screw rod, the screw rod and the sliding plate 17 can adjust the lifting of the forks 9, which is convenient for taking and placing objects.

[0027] The top center of the fixed frame 5 is fixedly provided with an audible and visual alarm 10, and the bottom end of the fixed rod 7 is rotatably provided with a mute roller 8. The audible and visual alarm 10 can alarm in emergency, and the fixed rod 7 and the mute roller 8 can increase the support area of the forklift on the ground, thereby improving the stability of the forklift.

[0028] When the laser navigation forklift is used, the insertion rod 20 is pulled up, the bottom end of the insertion rod 20 is moved out of the insertion hole, the side door 4 is turned to the front side, the L-shaped rod 19 is moved out of the inside of the front wall of the forklift body 1, the counterweight is placed in the placing groove 3, and the side door 4 is turned in the opposite direction to block the outside of the counterweight, and the insertion rod 20 is inserted into the inside of the insertion hole under the elastic force of the spring, which is convenient for limiting the L-shaped rod 19 and the side door 4; the forklift is navigated by the front navigation laser radar 12 and the rear navigation laser radar 11, the inside of the forklift body 1 is provided with a battery and a controller, the forklift is controlled to move by the controller, the forks 9 are driven to move to the bottom by the lifting mechanism 6 such as the servo motor 14, the transmission gear 15 and the screw rod, and the forklift is controlled to move the forks to the bottom of the pallet, the forks 9 are controlled to rise and move away from the outside of the fixed rod 7; the front navigation laser radar 12 is arranged in one end of the fixed rod 7, and the through holes 13 are arranged in both ends of the forks 9, so that the front navigation laser radar 12 can emit and receive laser through the through holes 13, and the lifting of the forks 9 and the objects will not affect the use of the front navigation laser radar 12, which is convenient for the navigation and movement of the forklift, thereby improving the practicability of the forklift.

[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A laser-guided fork lift truck comprising a fork lift truck body (1), characterised in that, One end of the forklift body (1) is provided with a placing groove (3), the front side of the placing groove (3) is movably connected with a side door (4) through a shaft rod, a limiting mechanism (16) is arranged between the top end of the side door (4) and the forklift body (1), the other end of the forklift body (1) is provided with a fork (9) through a lifting mechanism (6), the lifting mechanism (6) comprises a fixed frame (5), the fixed frame (5) is fixedly provided with a fixed rod (7) at the bottom, the inside of one end of the fixed rod (7) is fixedly provided with a front navigation laser radar (12), the plan view of the fork (9) is in the shape of "U", the inside of the front and rear ends of the fork (9) is symmetrically provided with a through hole (13), the sidewall of the top end of the fork (9) is fixedly provided with a sliding plate (17), the fixed frame (5) is a frame, and the sliding plate (17) is limitingly and slidably arranged in the inside of the fixed frame (5).

2. The laser-guided fork truck of claim 1 wherein: The limiting mechanism (16) comprises an L-shaped rod (19) and a plug rod (20), the L-shaped rod (19) is fixedly arranged at the outside of the top end of the side door (4), and the inside of one end of the L-shaped rod (19) is provided with a plug hole.

3. A laser-guided fork lift truck according to claim 2, wherein: The plug rod (20) is limitingly and slidably arranged in the inside of the top end of the placing groove (3), a spring is fixedly arranged between the middle position of the plug rod (20) and the inner wall of the placing groove (3), and the bottom end of the plug rod (20) is inserted into the inside of the plug hole.

4. The laser-guided fork truck of claim 1 wherein: The top end of the forklift body (1) is provided with an operation table (2), and the bottom of one end of the forklift body (1) is fixedly provided with a rear navigation laser radar (11).

5. The laser-guided fork truck of claim 1 wherein: The fixed frame (5) is fixedly arranged on the outer wall of the other end of the forklift body (1), the fork (9) is movably arranged on one side of the fixed frame (5), and a contact roller (18) is rotatably arranged between one end of the fork (9) and the fixed frame (5).

6. The laser-guided fork truck of claim 1 wherein: The lifting mechanism (6) further comprises a servo motor (14) and a screw rod, the servo motor (14) is fixedly arranged in the inside of the bottom end of the forklift body (1) at a position corresponding to the fixed frame (5), the screw rod is rotatably arranged in the inside of the fixed frame (5), and a transmission gear (15) is arranged between the screw rod and the servo motor (14).

7. A laser-guided fork lift truck as claimed in claim 6, characterised in that: The transmission gear (15) comprises a first gear and a second gear, the first gear is fixedly arranged on the output shaft of the servo motor (14), the second gear is fixedly arranged at the bottom end of the screw rod, the first gear and the second gear are arranged in meshing and parallel, and the sliding plate (17) is screwed and arranged on the outside of the screw rod.

8. The laser-guided fork truck of claim 1 wherein: An audible and visual alarm (10) is fixedly arranged at the top center position of the fixed frame (5), and a mute roller (8) is rotatably arranged in the inside of the bottom end of the fixed rod (7).

Citation Information

Patent Citations

  • Laser navigation automatic forklift

    CN215402891U