Movable-cable-free control system of bridge crane

Abstract

The utility model discloses a movable-cable-free control system for a bridge crane, which comprises two bridge crane walking beams, a movable main beam arranged between the two bridge crane walking beams, a movable first traveling trolley arranged on the main beam, a crane arranged on the first traveling trolley, and a movable second traveling trolley arranged on the crane. A second electric box is installed on the first traveling trolley and electrically connected with the crane, a first sliding contact line is installed on the main beam, the second electric box is electrically connected with the first sliding contact line, a first electric box is installed on the main beam, and the first electric box is electrically connected with the second electric box through the first sliding contact line. The first sliding contact line is arranged to replace a movable cable between the first electric box and the second electric box, so that the problem that the cable is broken due to the fact that the first traveling trolley pulls the cable back and forth in the process of moving on the main beam is solved, the failure rate of equipment is effectively reduced, manpower and material resources are saved, and normal operation of the equipment is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile equipment of a bridge crane, in particular to a control system for a bridge crane without movable cables. Background Art

[0002] A bridge crane is a common name for cranes, overhead cranes, and overhead traveling cranes. Bridge cranes are essentially the same as cranes. There are two basic types of drive systems for bridge cranes: centralized drive, where a single electric motor drives a long drive shaft that drives the driving wheels on either side; and separate drive, where each driving wheel is driven by a separate electric motor. Medium and small bridge cranes often use a "three-in-one" drive system that combines a brake, a speed reducer, and an electric motor. For ease of installation and adjustment, large-capacity bridge cranes often use a universal joint in their drive system.

[0003] Traditional bridge cranes are mainly operated by remote controls between humans and machines. Signal and power transmission between mobile equipment on bridge cranes is mainly completed through multi-core cables with different wire diameters. Pulling the cables back and forth during the movement of mobile equipment on bridge cranes can easily cause cable signal line breakage, and troubleshooting is difficult and requires a lot of manpower and material resources. Utility Model Content

[0004] The purpose of the present utility model is to overcome the shortcomings that the signal and power transmission between the mobile equipment on the existing bridge crane is mainly completed through multi-core cables with different wire diameters. The mobile equipment on the bridge crane pulls the cables back and forth during movement, which can easily cause the cable signal line to break, and it is difficult to find and eliminate the fault, which requires a lot of manpower and material resources. A bridge crane non-movable cable control system is provided.

[0005] The purpose of the utility model is achieved through the following technical solutions: a bridge crane non-active cable control system, comprising two bridge crane walking beams, a movable main beam installed between the two bridge crane walking beams, a movable first traveling trolley installed on the main beam, a crane installed on the first traveling trolley, a second electric box installed on the first traveling trolley, the second electric box electrically connected to the crane, a first bus bar installed on the main beam, the second electric box electrically connected to the first bus bar, a first electric box installed on the main beam, the first electric box electrically connected to the second electric box through the first bus bar, and the movable cable between the first electric box and the second electric box is replaced by the first bus bar, thereby avoiding the problem of cable breakage caused by the first traveling trolley pulling the cable back and forth during the movement of the main beam, thereby effectively reducing the failure rate of the equipment, saving manpower and material resources, and ensuring the normal operation of the equipment.

[0006] A further technical solution is that tracks are provided on the two traveling beams of the bridge cranes, movable second traveling trolleys are installed on the two tracks, end beams are installed on the two second traveling trolleys, and the main beam is installed between the two end beams. The main beam and the end beam are moved on the traveling beam of the bridge crane by cooperating with the tracks and the second traveling trolleys.

[0007] A further technical solution is that a second busbar corresponding to the end beam is installed on the traveling beam of the bridge crane, the first electric box is electrically connected to the second busbar, and the first electric box is electrically connected to the second traveling trolley. By setting up the second busbar to transmit power to the first electric box, the problem of wire breakage failure that is prone to occur in traditional cables is avoided, and the failure rate of the equipment is effectively reduced.

[0008] A further technical solution is that a first signal receiver is installed on the first electrical box, and a second signal receiver is installed on the second electrical box. Both the first signal receiver and the second signal receiver are connected to the external handheld wireless transmitter by signal. The first signal receiver is electrically connected to the first electrical box, and the second signal receiver is electrically connected to the second electrical box. The external handheld wireless transmitter is connected to the first signal receiver by signal. By controlling the first electrical box, the second traveling trolley is moved in the track, thereby controlling the main beam to move on the traveling beam of the bridge crane. The external handheld wireless transmitter is connected to the second signal receiver by signal. By controlling the second electrical box, the first traveling trolley is moved on the main beam. The external handheld wireless transmitter is connected to the second signal receiver by signal. By controlling the second electrical box, the crane is operated to perform lifting operations, thereby improving the convenience of operation.

[0009] A further technical solution is that the first signal receiver and the second signal receiver are set to the same frequency. By setting the first signal receiver and the second signal receiver to the same frequency, it can be ensured that the operator can simultaneously control the crane, the first traveling trolley and the second traveling trolley through an external handheld wireless transmitter to perform operations, thereby improving the convenience of operation.

[0010] A further technical solution is that a current-type phase-loss protector is installed in the first electrical box. By setting up the current-type phase-loss protector, the motor in the equipment can be protected and controlled. When the motor has faults such as undercurrent, short circuit, undervoltage, and leakage, protection and control can be performed to ensure the normal operation of the equipment.

[0011] The utility model has the following advantages: the utility model replaces the movable cable between the first electrical box and the second electrical box by setting a first busbar, thereby avoiding the problem of cable breakage caused by the reciprocating pulling of the cable during the movement of the first traveling trolley on the main beam, thereby effectively reducing the failure rate of the equipment, saving manpower and material resources, and ensuring the normal operation of the equipment, and setting an external handheld wireless transmitter and a first signal receiver signal connection to control the first electrical box to realize the movement of the second traveling trolley in the track, thereby controlling the main beam to move on the walking beam of the bridge crane, setting an external handheld wireless transmitter and a second signal receiver signal connection to control the second electrical box to realize the movement of the first traveling trolley on the main beam, and the external handheld wireless transmitter and the second signal receiver signal connection to control the second electrical box to operate the crane to perform lifting operations, thereby improving the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 This is a side sectional schematic diagram of the traveling beam of a bridge crane of the present invention;

[0014] In the figure, 1. Traveling beam of bridge crane; 2. Main beam; 3. Crane; 4. First electrical box; 5. Second electrical box; 6. First signal receiver; 7. Second signal receiver; 8. Current-type phase-loss protector; 9. First busbar; 10. First traveling trolley; 11. Second busbar; 12. Track; 13. Second traveling trolley; 14. End beam. DETAILED DESCRIPTION

[0015] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one set of drawings, it does not need to be further defined or explained in subsequent drawings.

[0019] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0020] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two groups of components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] like Figure 1~Figure 2As shown, a bridge crane control system without movable cables includes two bridge crane traveling beams 1, characterized in that: a movable main beam 2 is installed between the two bridge crane traveling beams 1, a movable first traveling trolley 10 is installed on the main beam 2, a crane 3 is installed on the first traveling trolley 10, a second electric box 5 is installed on the first traveling trolley 10, the second electric box 5 is electrically connected to the crane 3, a first busbar 9 is installed on the main beam 2, the second electric box 5 is electrically connected to the first busbar 9, a first electric box 4 is installed on the main beam 2, the first electric box 4 is electrically connected to the second electric box 5 through the first busbar 9, and the movable cable between the first electric box and the second electric box is replaced by the first busbar, thereby avoiding the first traveling trolley from moving on the main beam. The problem of cable breakage caused by reciprocating pulling of the cable during the process is solved, thereby effectively reducing the failure rate of the equipment, saving manpower and material resources, and ensuring the normal operation of the equipment. Tracks 12 are provided on the two bridge crane walking beams 1, and movable second traveling trolleys 13 are installed on the two tracks 12. End beams 14 are installed on the two second traveling trolleys 13. The main beam 2 is installed between the two end beams 14. The main beam and the end beam are moved on the bridge crane walking beam by setting tracks and cooperating with the second traveling trolley. The second busbar 11 corresponding to the end beam 14 is installed on the bridge crane walking beam 1. The first electric box 4 is electrically connected to the second busbar 11, and the first electric box 4 is electrically connected to the second traveling trolley 13. By setting the second busbar to the first electric The box transmits electricity, avoiding the problem of traditional cables being prone to disconnection failure, effectively reducing the failure rate of the equipment, a first signal receiver 6 is installed on the first electric box 4, and a second signal receiver 7 is installed on the second electric box 5, the first signal receiver 6 and the second signal receiver 7 are both connected to the external handheld wireless transmitter signal, the first signal receiver 6 is electrically connected to the first electric box 4, the second signal receiver 7 is electrically connected to the second electric box 5, and an external handheld wireless transmitter is set to be connected to the first signal receiver by signal, and the second traveling trolley is moved in the track by controlling the first electric box, thereby controlling the main beam to move on the traveling beam of the bridge crane, and the external handheld wireless transmitter is set to be connected to the second signal receiver by signal, and the first traveling trolley is moved in the track by controlling the second electric box, thereby controlling the main beam to move on the traveling beam of the bridge crane, The trolley moves on the main beam, and the external handheld wireless transmitter is connected to the second signal receiver by signal to operate the crane for lifting operations by controlling the second electrical box, thereby improving the convenience of operation. The first signal receiver 6 and the second signal receiver 7 are set at the same frequency. By setting the first signal receiver and the second signal receiver at the same frequency, it can be ensured that the operator can simultaneously control the crane, the first trolley and the second trolley through the external handheld wireless transmitter to perform operations, thereby improving the convenience of operation. A current-type phase-loss protector 8 is installed in the first electrical box 4. By setting the current-type phase-loss protector, the motor in the equipment can be protected and controlled, and protection and control can be performed when the motor has faults such as undercurrent, short circuit, undervoltage, and leakage, thereby ensuring the normal operation of the equipment.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bridge crane non-movable cable control system, comprising two bridge crane traveling beams (1), characterized in that: A movable main beam (2) is installed between the two traveling beams (1) of the bridge crane, a movable first traveling trolley (10) is installed on the main beam (2), a crane (3) is installed on the first traveling trolley (10), a second electric box (5) is installed on the first traveling trolley (10), the second electric box (5) is electrically connected to the crane (3), a first busbar (9) is installed on the main beam (2), the second electric box (5) is electrically connected to the first busbar (9), a first electric box (4) is installed on the main beam (2), the first electric box (4) is electrically connected to the second electric box (5) via the first busbar (9); Tracks (12) are provided on the two traveling beams (1) of the bridge cranes, movable second traveling trolleys (13) are installed on the two tracks (12), end beams (14) are installed on the two second traveling trolleys (13), and the main beam (2) is installed between the two end beams (14); A second busbar (11) corresponding to the end beam (14) is installed on the traveling beam (1) of the bridge crane, and the first electric box (4) is electrically connected to the second busbar (11). The first electrical box (4) is electrically connected to the second traveling trolley (13); A first signal receiver (6) is installed on the first electrical box (4), and a second signal receiver (7) is installed on the second electrical box (5). The first signal receiver (6) and the second signal receiver (7) are both connected to an external handheld wireless transmitter signal. The first signal receiver (6) is electrically connected to the first electrical box (4), and the second signal receiver (7) is electrically connected to the second electrical box (5).

2. A bridge crane non-movable cable control system according to claim 1, characterized in that: The first signal receiver (6) and the second signal receiver (7) are set at the same frequency.

3. The bridge crane non-movable cable control system according to claim 1, characterized in that: A current-type phase-loss protector (8) is installed in the first electrical box (4).

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