An unmanned crane for omnidirectional narrow lanes

By designing an unmanned crane for omnidirectional narrow tunnels, integrating AGV rudder wheels and multi-stage telescopic arms, and combining with the automatic dispatching system, the existing truss vehicles cannot be retrieved, occupied for a long time, narrow tunnels, low handling efficiency and safety hazards are solved, and efficient and automated product handling and workshop management are achieved.

CN222699896UActive Publication Date: 2025-04-01ZHEJIANG RIFA AVIATION DIGITAL EQUIP
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Patent Information

Application Number
CN202421424770.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-01
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing truss vehicles cannot be retrieved in old factories, occupy a long time, narrow tunnels, low handling efficiency and safety hazards, making it difficult to achieve automated scheduling.

Method used

An unmanned crane for omnidirectional narrow tunnels is designed, integrating AGV steering wheel and multi-stage telescopic arm, equipped with an automatic dispatching system, realizing fully automatic or semi-automatic workshop and process automation operation.

Benefits of technology

It realizes efficient handling of larger products in narrow channels, has omnidirectional driving capabilities, improves handling efficiency, reduces safety hazards, and realizes automatic operation of workshops and processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lifting and hoisting, and specifically to an unmanned crane for omnidirectional narrow lanes. Now some old factory buildings have small spaces and need to produce some larger products. There are problems such as the use of gantry trucks being inflexible and the inability of transport trucks / cranes to enter. An unmanned crane for omnidirectional narrow lanes, a bracket for placing products is provided on the frame body; multi-stage telescopic arms are provided on both sides of the frame body, namely: a large arm, a secondary telescopic arm, and a tertiary telescopic arm. The multi-stage telescopic arm is connected to the multi-stage telescopic cylinder through a connecting plate to achieve the purpose of multi-stage telescopic. A suspension crane is provided under the multi-stage telescopic arm through a connecting plate for hoisting operations. An AGV steering wheel and a driven wheel connected by a suspension mechanism are provided under the frame body. It is specially used for transporting larger products in narrow lanes, so as to obtain a crane that can be used in narrow passages. A steering wheel system is used, which has omnidirectional travel.
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Description

Technical Field

[0001] The utility model relates to the technical field of lifting and hoisting, and more specifically to an unmanned crane for omnidirectional narrow lanes. Background Art

[0002] Now some old factories have small space, but the production products have changed and some larger products (such as cylinders) need to be produced. If the existing gantry crane is used, there are several problems:

[0003] (1) The gantry truck cannot be reached: Products near the workshop / factory wall cannot be reached.

[0004] (2) Long-term occupation of the gantry truck: The product is too large, which makes it cumbersome to fix and move, and the gantry truck needs to be occupied for a long time.

[0005] (3) Narrow aisles: Ordinary trucks / cranes cannot enter.

[0006] (4) Technical difficulties: The handling cannot be automated, and subsequent scheduling and other processes cannot be realized.

[0007] (5) The handling efficiency is low and there are some safety hazards. Utility Model Content

[0008] The purpose of the utility model is to address the deficiencies of the prior art and to provide an unmanned crane for narrow lanes which can realize full automation of the entire workshop and process after the vehicle cooperates with the automatic dispatching system.

[0009] An unmanned crane for omnidirectional narrow lanes comprises a frame body, on which a bracket for placing products is arranged; multi-stage telescopic arms are respectively arranged on both sides of the frame body, connecting rods are arranged between the multi-stage telescopic arms, a crossbeam is connected to the rear side of the multi-stage telescopic arms, multi-stage telescopic cylinders are arranged on both sides of the crossbeam, a suspension crane is arranged below the multi-stage telescopic arms through a connecting plate, and the multi-stage telescopic arms are connected to the multi-stage telescopic cylinders through the connecting plate for multi-stage telescopic extension; an AGV steering wheel and a driven wheel connected by a suspension mechanism are arranged below the frame body, and the AGV steering wheel and the multi-stage telescopic cylinders are both driven by a power supply.

[0010] Specially designed for handling larger products in narrow aisles, a crane (new type of vehicle) that can be used in narrow passages is obtained.

[0011] Because of the use of the steering wheel system, it has the ability to travel in all directions (forward, backward, turning, rotating on the spot, etc.), and at the same time has good load and ground adaptability (can be used on the ground with larger ditches and bumps).

[0012] As a further improvement and supplement to the above solution, the utility model also includes the following additional technical features:

[0013] The multi-stage telescopic arm includes a large arm, a three-stage telescopic arm and a two-stage telescopic arm; the multi-stage telescopic cylinder includes a three-stage telescopic cylinder, a two-stage telescopic cylinder and a first-stage telescopic cylinder. Because a multi-stage boom is used, it has a longer arm span, so the accessibility of the equipment is better and it can be used in more environments.

[0014] The power source is a battery pack, which has good practical performance and is convenient and reasonable to use.

[0015] The multi-stage telescopic cylinder is connected with a bevel gear box driven by a motor, and the motor is powered by a battery pack. The structure is reasonable, the noise is small, and the transmission effect is good.

[0016] The omnidirectional narrow lane unmanned crane is also provided with a controller and navigation. Because the device integrates the functions of unmanned AGV and crane, it can be switched to fully automatic or semi-automatic through the controller. When fully automatic, the vehicle cooperates with the automatic dispatching system to realize the full automation of the entire workshop and process. When semi-automatic, the driving and lifting operations of the vehicle can be controlled by the remote control.

[0017] A cover is provided above the battery pack to ensure the safety of the battery pack.

[0018] The outer side of the frame body is provided with safety protection, which ensures the normal use of internal parts and driving safety.

[0019] The use of the utility model can achieve the following beneficial effects: the unmanned AGV can be integrated with the crane, which is specially used for carrying larger products in narrow lanes, and a crane (new type of vehicle) that can be used in narrow passages is obtained.

[0020] The use of a steering wheel system allows it to travel in all directions (forward, backward, turn, rotate on the spot, etc.), and has good load and ground adaptability (it can be used on large ditches and ridges). The use of a multi-section boom makes the equipment more accessible and can be used in more environments.

[0021] When the vehicle is combined with the automatic dispatching system, the entire workshop and process can be fully automated.

[0022] The efficiency is improved, and the gantry crane and the unmanned crane do not affect each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is the front view of the utility model.

[0025] Figure 3 It is a top view of the utility model.

[0026] Figure 4 It is a left view of the utility model.

[0027] Figure 5 It is an exploded view of the utility model. DETAILED DESCRIPTION

[0028] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0029] like Figure 1-5 As shown, the utility model is an unmanned crane for omnidirectional narrow lanes.

[0030] The omnidirectional narrow lane unmanned crane described in this embodiment includes a frame body 22, on which a bracket 2 for placing a product 1 is provided. In this embodiment, the product 1 is cylindrical, and the upper part of the bracket 2 is an arc structure, which matches the product, and one end of the product is attached to the bracket 2. Multi-stage telescopic arms are respectively provided on both sides of the frame body 22, and a connecting rod 3 is provided between the multi-stage telescopic arms. The rear side of the multi-stage telescopic arms is connected to a crossbeam 14, and multi-stage telescopic cylinders are provided on both sides of the crossbeam 14. A suspension hanger 16 is provided below the multi-stage telescopic arms through a connecting plate 26, and the multi-stage telescopic arms are connected to the multi-stage telescopic cylinders through the connecting plate 26 for multi-stage telescopic extension; an AGV steering wheel 21 and a driven wheel 24 connected by a suspension mechanism 20 are provided below the frame body 22, and the number of the AGV steering wheels 21 and the driven wheels 24 are two, respectively, and the two AGV steering wheels 21 and the multi-stage telescopic cylinders are driven by a power supply.

[0031] Furthermore, the multi-stage telescopic arm includes a boom 12, a three-stage telescopic arm 13 and a two-stage telescopic arm 15; the multi-stage telescopic cylinder includes a three-stage telescopic cylinder 5, a two-stage telescopic cylinder 6 and a first-stage telescopic cylinder 7. The first-stage telescopic cylinder 7 is fixed on the crossbeam 14 through a base 8. A connecting rod 3 is arranged between the two three-stage telescopic arms 13, and a connecting plate 26 is arranged on the two corresponding inner sides thereof, and one side of the connecting plate 26 is connected to the three-stage telescopic cylinder 5.

[0032] Furthermore, the power source is a battery pack 19 .

[0033] Furthermore, the multi-stage telescopic cylinder is connected to a bevel gear box 11 driven by a motor 4, and the motor 4 is powered by a battery pack 19. The motor 4 is arranged below the bevel gear box 11, and the motor 4 is powered by a battery pack 19. The bevel gear box 11 is sleeved on the second connecting rod 10, and the second connecting rod 10 is fixed to the base 8 through a coupling 9.

[0034] Furthermore, the omnidirectional narrow lane unmanned crane is also provided with a controller 17 and a navigation system 23, which can be switched to fully automatic or semi-automatic by the controller. When fully automatic, the vehicle cooperates with the automatic dispatching system to realize the full automation of the entire workshop and process. When semi-automatic, the vehicle's driving and lifting operations can be controlled by a remote controller.

[0035] Furthermore, a cover shell 18 is disposed above the battery pack 19 to cover the battery pack 19 .

[0036] Furthermore, a safety guard 25 is provided on the outer side of the frame body 22. In this embodiment, the safety guard 25 is provided on the left and right sides.

[0037] When this omnidirectional narrow lane is used with an unmanned crane,

[0038] 1. Preparation

[0039] Fix the bracket 2 corresponding to the product on the crane (AGV vehicle), at this time, the bracket 2 is in an empty state; the third-level telescopic arm 13 and the second-level telescopic arm 15 are in a retracted state; the state of the multi-stage cylinder is: the third-level telescopic cylinder 5 and the second-level telescopic cylinder 6 are retracted into the cylinder body of the first-level telescopic cylinder 7.

[0040] 2. Hoisting process

[0041] When hoisting is required, the multi-stage cylinder gradually extends: the third stage extension cylinder 5 and the second stage extension cylinder 6; drive the third stage extension arm 13 and the second stage extension arm 15 in the telescopic arm to extend to the specified position. The product 1 and the tooling connected to it are hoisted by the suspension crane 16.

[0042] The multi-stage cylinders gradually retract: the third stage 5 and the second stage 6 of the telescopic cylinders; drive the third stage 13 and the second stage 15 of the telescopic arms to retract to the origin. The product 1 is lowered by the suspension crane 16; and placed on the bracket 2 to wait for transportation.

[0043] 3. Transportation process

[0044] When transporting, the crane (AGV) is fully loaded (including products) and drives out of the narrow aisle, and operates according to the actual working conditions of the site (forward, backward, turn or rotate on the spot). This omnidirectional movement reduces the site's requirements on the vehicle's turning radius.

[0045] The above are preferred implementations of the present invention, which do not limit the protection scope of the present invention. Any modifications and improvements made by those skilled in the art based on the design ideas of the present invention should be regarded as within the protection scope of the present invention.

Claims

1. An unmanned crane for omnidirectional narrow lanes, comprising a frame body (22), characterized in that: The frame body (22) is provided with a bracket (2) for placing the product (1); multi-stage telescopic arms are provided on both sides of the frame body (22); connecting rods (3) are provided between the multi-stage telescopic arms; a crossbeam (14) is connected to the rear side of the multi-stage telescopic arms; multi-stage telescopic cylinders are provided on both sides of the crossbeam (14); a suspension hanger (16) is provided below the multi-stage telescopic arms through a connecting plate (26); the multi-stage telescopic arms are connected to the multi-stage telescopic cylinders through the connecting plate (26) for multi-stage telescopic extension; an AGV steering wheel (21) and a driven wheel (24) connected through a suspension mechanism (20) are provided below the frame body (22); the AGV steering wheel (21) and the multi-stage telescopic cylinders are both driven by a power supply.

2. The omnidirectional narrow lane unmanned crane according to claim 1, characterized in that: The multi-stage telescopic arm comprises a main arm (12), a third-stage telescopic arm (13) and a second-stage telescopic arm (15); the multi-stage telescopic cylinder comprises a third-stage telescopic cylinder (5), a second-stage telescopic cylinder (6) and a first-stage telescopic cylinder (7).

3. The unmanned crane for omnidirectional narrow lanes as claimed in claim 1, characterized in that: The power source is a battery pack (19).

4. The unmanned crane for omnidirectional narrow lanes as claimed in claim 2, characterized in that: The multi-stage telescopic cylinder is connected to a bevel gear box (11) driven by a motor (4), and the motor (4) is powered by a battery pack (19).

5. The omnidirectional narrow lane unmanned crane according to claim 1, characterized in that: The omnidirectional narrow lane unmanned crane is also provided with a controller (17) and a navigation system (23).

6. The omnidirectional narrow lane unmanned crane according to claim 3, characterized in that: A cover shell (18) is provided above the battery pack (19).

7. The omnidirectional narrow lane unmanned crane according to claim 1, characterized in that: A safety guard (25) is provided on the outer side of the frame body (22).