Automatic obstacle avoidance crane

Abstract

The utility model discloses an automatic obstacle avoidance crane which comprises a cart, a laser radar is positioned and mounted on one side of a main beam of the cart through a mounting assembly and is in communication connection with a crane control system through a PLC. According to the automatic obstacle avoidance crane, the laser radar is used for monitoring surrounding obstacles, the automatic obstacle avoidance crane is convenient to install, accurate in positioning and high in stability, and the obstacle avoidance precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an automatic obstacle avoidance crane. Background Art

[0002] A crane refers to a multi-action lifting machine that can lift heavy objects vertically and carry them horizontally within a certain range. When the crane is in operation, it is generally necessary to set an automatic obstacle avoidance device on its outside to ensure the normal movement of the crane and avoid hitting obstacles. A Chinese patent (CN219341510U) discloses an infrared obstacle avoidance device and a crane, which improves safety. However, there are still some problems in actual use. The obstacle avoidance device is fixed to the hook through a splint. There are many bolts that need to be tightened during installation, which makes the installation inconvenient. The position accuracy of the fixed installation is not high. The obstacle avoidance device will move with the movement of the hook and has poor stability. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide an automatic obstacle avoidance crane that uses a laser radar to monitor surrounding obstacles, is easy to install, has accurate positioning, high stability, and improves obstacle avoidance accuracy.

[0004] The utility model provides an automatic obstacle avoidance crane, comprising a trolley; a laser radar is positioned and installed on one side of the main beam of the trolley through an installation component, and the laser radar is connected to the crane control system through a PLC communication;

[0005] The top end of the pull rod is fixedly connected with the fixing cross bar, and the bottom end of the pull rod is threadably connected to the fixing cross bar.

[0006] Furthermore, the cross section of the vertical rod is rectangular; one end of the fixed cross rod is fixedly connected to the top of the vertical rod through a connecting block; one end of the clamping cross rod is slidably sleeved with the vertical rod through a square sleeve.

[0007] Furthermore, the installation assembly is made of stainless steel.

[0008] Furthermore, an upper guide head is fixedly provided at the top end of the upper positioning block; and a lower guide head is fixedly provided at the bottom end of the lower positioning block.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The automatic obstacle avoidance crane of this utility model uses the installation component to position and install the laser radar on one side of the main beam of the large vehicle. The laser radar can detect obstacles within a range of 50m around it and send obstacle information data to the PLC. After the information is processed by the PLC, it is sent to the crane control system, thereby planning the movement route of the crane and realizing automatic obstacle avoidance. The setting of the installation component makes the laser radar easy to install, accurate in positioning, high in stability, and improves the obstacle avoidance accuracy.

[0011] It should be understood that the contents described in the utility model summary are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0013] Figure 1 A schematic diagram of the structure of the installation components.

[0014] Numbers in the figure: 1, main beam; 2, installation components; 3, laser radar;

[0015] 11. Upper positioning block; 12. Lower positioning block; 13. Upper guide head; 14. Lower guide head;

[0016] 21. Vertical bar; 22. Fixed cross bar; 23. Upper clamping handle; 24. Clamping cross bar; 25. Lower clamping handle; 26. Pull rod; 27. Flange nut; 28. Mounting plate; 29. ​​Connecting block; 210. Square sleeve;

[0017] 31. Mounting seat. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0019] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] Please refer to Figure 1 The embodiment of the utility model provides an automatic obstacle avoidance crane, comprising a trolley; a laser radar 3 is positioned and installed on one side of the main beam 1 of the trolley through an installation component 2, and the laser radar 3 is connected to the crane control system through a PLC communication;

[0021] The mounting assembly 2 includes a vertical rod 21 arranged on one side of the main beam 1, the top of the vertical rod 21 is fixedly connected to a fixed cross rod 22, and the end of the fixed cross rod 22 away from the vertical rod 21 is fixedly connected to an upper clamping handle 23, an upper positioning block 11 is fixedly arranged on one side of the top of the main beam 1, and an upper positioning square hole is opened on the upper clamping handle 23 corresponding to the upper positioning block 23, a clamping cross rod 24 parallel to the fixed cross rod 22 is slidably connected to the vertical rod 21, and the end of the clamping cross rod 24 away from the vertical rod 21 is fixedly connected to a lower clamping handle 25, and the main beam A lower positioning block 12 is fixedly arranged on one side of the bottom, a lower positioning square hole is opened on the lower clamping handle 25 corresponding to the lower positioning block 12, a pull rod 26 is arranged between the fixed cross bar 22 and the clamping cross bar 24, the top end of the pull rod 26 is fixedly connected to the fixed cross bar 22, and the bottom end passes through the clamping cross bar 24, a flange nut 27 is threadedly connected to the bottom end of the pull rod 26, and a mounting plate 28 is fixedly connected to the bottom end of the vertical rod 21; a mounting seat 31 is fixedly arranged on the bottom surface of the mounting plate 28, and the laser radar 3 is installed at the bottom of the mounting seat 31.

[0022] In this embodiment, when installing the laser radar 3, first loosen the flange nut 27, and the clamping crossbar 24 slides down under the action of its own weight, expanding the distance between the fixed crossbar 22 and the clamping crossbar 24; then put the upper clamping handle 23 on the upper positioning block 11, and then move the clamping crossbar 24 upward to make the lower clamping handle 25 on the lower positioning block 12; at this time, tighten the flange nut 27 to complete the positioning installation of the laser radar 3. It is easy to install, accurate in positioning, high in stability, and improves the obstacle avoidance accuracy.

[0023] When the crane is in operation, the laser radar 3 moves with the trolley and detects obstacles within a range of 50m around it, and sends obstacle information data to the PLC. After information processing by the PLC, it is sent to the crane control system, thereby planning the crane's moving route and realizing automatic obstacle avoidance.

[0024] In a preferred embodiment, if Figure 1As shown, the cross section of the vertical rod 21 is rectangular; one end of the fixed cross bar 22 is fixedly connected to the top of the vertical rod 21 through a connecting block 29, thereby improving the connection strength of the fixed cross bar 22; one end of the clamping cross bar 24 is slidably connected to the vertical rod 21 through a square sleeve 210, so that the clamping cross bar 24 will not rotate relative to the vertical rod 21, thereby ensuring the positioning accuracy of the laser radar 3 installation.

[0025] In a preferred embodiment, the mounting assembly 2 is made of stainless steel, which has high structural strength, is not easy to deform, corrode or rust, and has a long service life.

[0026] In a preferred embodiment, if Figure 1 As shown, an upper guide head 13 is fixedly provided on the top end of the upper positioning block 11, so that the upper clamping handle 23 can be more accurately and conveniently mounted on the upper positioning block 11; a lower guide head 14 is fixedly provided on the bottom end of the lower positioning block 12, so that the lower clamping handle 25 can be more accurately and conveniently mounted on the lower positioning block 12.

[0027] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic obstacle avoidance crane, characterized in that: It comprises a trolley; a laser radar (3) is positioned and installed on one side of the main beam (1) of the trolley through an installation component (2); the laser radar (3) is connected to the crane control system through a PLC communication; The mounting assembly (2) comprises a vertical rod (21) arranged on one side of the main beam (1), the top end of the vertical rod (21) is fixedly connected to a fixed cross rod (22), one end of the fixed cross rod (22) away from the vertical rod (21) is fixedly connected to an upper clamping handle (23), an upper positioning block (11) is fixedly arranged on one side of the top of the main beam (1), an upper positioning square hole is opened on the upper clamping handle (23) corresponding to the upper positioning block (11), a clamping cross rod (24) parallel to the fixed cross rod (22) is slidably connected to the vertical rod (21), one end of the clamping cross rod (24) away from the vertical rod (21) is fixedly connected to a lower clamping handle (25), the A lower positioning block (14) is fixedly provided on one side of the bottom of the main beam (1); a lower positioning square hole is opened on the lower clamping handle (25) corresponding to the lower positioning block (14); a pull rod (26) is provided between the fixed cross bar (22) and the clamping cross bar (24); the top end of the pull rod (26) is fixedly connected to the fixed cross bar (22), and the bottom end passes through the clamping cross bar (24); the bottom end of the pull rod (26) is threadedly connected to a flange nut (27); the bottom end of the vertical rod (26) is fixedly connected to a mounting plate (28); a mounting seat (31) is fixedly provided on the bottom surface of the mounting plate (28), and the laser radar (3) is installed at the bottom of the mounting seat (31).

2. The automatic obstacle avoidance crane according to claim 1, characterized in that: The cross section of the vertical rod (21) is rectangular; one end of the fixed cross rod (22) is fixedly connected to the top end of the vertical rod (21) via a connecting block (29); one end of the clamping cross rod (24) is slidably sleeved with the vertical rod (21) via a square sleeve (210).

3. The automatic obstacle avoidance crane according to claim 1, characterized in that: The installation component (2) is made of stainless steel.

4. The automatic obstacle avoidance crane according to claim 1, characterized in that: An upper guide head (13) is fixedly arranged at the top end of the upper positioning block (11); and a lower guide head (14) is fixedly arranged at the bottom end of the lower positioning block (12).

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