CN203682918U - Lifting appliance spreader alignment device and lifting appliance - Google Patents

Abstract

A lifting appliance alignment device for lifting machinery comprises a first signal transmitter, a second signal transmitter, a signal receiver, a signal converter and a display screen; the first signal transmitter is placed in the center of the hoisted object before hoisting and used for wirelessly transmitting a first position signal reflecting the position of the center of the hoisted object; the second signal transmitter is arranged at a position corresponding to the lifting appliance and used for wirelessly transmitting a second position signal reflecting the position of the lifting appliance; the signal receiver is used for wirelessly receiving a first position signal sent by the first signal transmitter and a second position signal sent by the second signal transmitter; the signal converter is used for respectively carrying out analog conversion on the first position signal and the second position signal received by the signal receiver into a first graph and a second graph; the display screen is used for displaying the first graph and the second graph on the display interface, and the second graph can move synchronously on the display interface along with the position movement of the lifting appliance.

Description

Lifting appliance spreader alignment device and lifting appliance

technical field

The utility model relates to a hoisting machine, in particular to a hoisting machine hanger aligning device and the hoisting machine.

Background technique

The spreader of the hoisting machinery is generally supported by the jib and connected by a wire rope. During operation, the spreader is close to the object under the control of the operator. When the best position is reached, the spreader is connected with the auxiliary operator. The hanging object is hooked in place, and then the lifting operation is carried out, such as truck cranes, crawler cranes, tower cranes, etc. The lifting requirement is that the straight line formed by the two points of the spreader and the suspended object is basically perpendicular to the ground plane, and there should be no large inclination angle, otherwise the suspended object may shake too much, which may cause safety accidents or property losses.

When the current hoisting machinery is in operation, the spreader is controlled by the operator to move and slowly approach the suspended object. Through the observation of the auxiliary operator, the operator is instructed to adjust the position of the spreader, and the auxiliary operator visually observes the two points of the spreader and the suspended object. The formed straight line is perpendicular to the ground, then hooked, and then hoisted.

Before hoisting the hoisting machine, the position of the spreader must be adjusted to an accurate position. At present, the assistant command is used to tell the operator to perform the relevant actions. In this case, the efficiency is often very low and it takes a certain amount of time. Operators also subjectively judge whether the spreader is perpendicular to the suspended object, and sometimes safety accidents may be caused by misjudgment.

Utility model content

In view of this, the embodiment of the utility model provides a hoisting machine spreader alignment device and a lifting machine to solve the problem of low efficiency and deviation caused by relying on auxiliary workers to command the movement of the spreader in the prior art. larger issues.

An embodiment of the present invention provides an alignment device for hoisting machinery, including a first signal transmitter, a second signal transmitter, a signal receiver, a signal converter, and a display screen; the first signal transmitter Placed at the center of the hoisted object before hoisting, it is used to wirelessly send a first position signal reflecting the position of the center of the hoisted object; the second signal transmitter is arranged at a position corresponding to the sling, It is used to wirelessly send a second position signal reflecting the position of the spreader; the signal receiver is used to wirelessly receive the first position signal sent by the first signal transmitter and transmit by the second signal The second position signal sent by the transmitter; the signal converter is used to analog convert the first position signal and the second position signal received by the signal receiver into a first graphic and a second graphic respectively; the display screen is used to convert The first graphic and the second graphic are displayed on the display interface, and the first graphic is fixed on the display interface, and the second graphic can be displayed on the display interface as the position of the spreader moves Synchronized movement.

Further, the second signal transmitter is arranged on the head of the boom, the hook, or the hoisting wire rope.

Further, both the signal receiver and the display screen are arranged in the operating room of the hoisting machine.

Further, the first graphic and the second graphic are black dots, boxes, triangles, irregular shapes, numbers, or symbols of different colors.

Further, on the display interface of the display screen, the first graphic is at the center of the display interface.

Further, the signal receiver and the signal converter are two independent components.

Further, the signal receiver and the signal converter are integrated into an integrated component, and two functional module structures including signal receiving and signal-to-analog conversion are arranged in the integrated component.

The embodiment of the utility model also provides a hoisting machine, including the above-mentioned hoisting machine hanger alignment device.

Further, the lifting machinery is a truck crane, a crawler crane, or a tower crane.

The beneficial effects brought by the technical solution provided by the embodiments of the present invention are: the hoisting machinery spreader alignment device and the lifting machinery provided by the above embodiments, when adjusting the position of the spreader, respectively adjust the position of the spreader and the location of the center of the suspended object are sent out by two signal transmitters, then received by the signal receiver, and then converted by the analog signal converter to form two visual graphics on the display screen (that is, the first graphics and the second graphics), one of the graphics (that is, the first figure that represents the position of the hoisted object) is fixed, and the other figure (that is, the second figure that represents the position of the spreader) can follow the second The positions of the signal transmitter and the spreader move and move synchronously. When the two graphics overlap, it means that one of the signal transmitters is located directly above the other signal transmitter, which means that the spreader is aligned with the object to be hoisted. The spreader is just above the center of the object to be hoisted, which meets the lifting requirements, so the operator can adjust the spreader in one step, and the positioning is accurate and without deviation, which solves the error encountered in adjusting the position of the lifter by visual inspection Large, low efficiency and other shortcomings, while the degree of automation is improved, the operator can still adjust the spreader in place in one step without seeing the suspended object, which improves work efficiency and reduces labor intensity.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present utility model more clearly, the following will briefly introduce the accompanying drawings used in the description of the embodiments.

Fig. 1 is a schematic block diagram of a hoisting machine spreader alignment device provided by an embodiment of the present invention.

Fig. 2 is a schematic structural view of the hoisting machine to which the hoisting machine sling alignment device shown in Fig. 1 is applied.

Fig. 3 is a schematic diagram of content displayed on the display screen.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the following will further describe the implementation of the utility model in conjunction with the accompanying drawings.

Fig. 1 is a structural schematic block diagram of a hoisting machine spreader alignment device provided by an embodiment of the present invention, and Fig. 2 is a structural schematic diagram of a hoisting machine to which the hoisting machine hoisting gear alignment device shown in Fig. 1 is applied, please Referring to FIG. 1 and FIG. 2 , the spreader alignment device includes a first signal transmitter 11 , a second signal transmitter 12 , a signal receiver 13 , a signal converter 14 , and a display screen 15 .

The first signal transmitter 11 is placed at the center of the suspended object 20 before hoisting, and is used for wirelessly sending a first position signal reflecting the position of the center of the suspended object 20 .

The second signal transmitter 12 is arranged on the position corresponding to the sling 31, specifically, the second signal transmitter 12 can be arranged on the head of the boom 32, the hook 33, or the lifting wire rope 34, as shown in Fig. 2 In the example, the second signal transmitter 12 is arranged on the head of the boom 32 as an example. The second signal transmitter 12 is used for wirelessly sending a second position signal reflecting the position of the spreader 31 .

The signal receiver 13 is used for wirelessly receiving the first position signal sent by the first signal transmitter 11 and the second position signal sent by the second signal transmitter 12 . Wherein, the signal receiver 13 can be set at a suitable position on the lifting machine, for example, in the operating room 35 or other positions.

The signal converter 14 is used for analog converting the first position signal and the second position signal received by the signal receiver 13 into a first graph 41 and a second graph 42 respectively. Wherein, a signal conversion module may be built in the signal converter 14 to convert the first position signal and the second position signal into the first graphic 41 and the second graphic 42 respectively. The first graphics 41 and the second graphics 42 can be various graphics that can be displayed and viewed conveniently, such as black dots, boxes, triangles, irregular shapes, numbers, or symbols of different colors.

In this embodiment, the signal receiver 13 and the signal converter 14 are two independent components. It can be understood that in other embodiments, the signal receiver 13 and the signal converter 14 can also be integrated into an integrated component, and two functional module structures with signal receiving and signal-to-analog conversion can be provided in the integrated component.

The display screen 15 is used to display the first graphic 41 and the second graphic 42 on the display interface, and the first graphic 41 is fixed on the display interface, and the second graphic 42 can move along with the position of the spreader 31. The display interface moves synchronously, so that the operator can determine whether the vertical position of the lifting device 31 and the object 20 is aligned through the positional relationship between the first graphic 41 and the second graphic 42 . Wherein, the display screen 15 is arranged in the operating room 35 of the lifting machine.

The working principle of aligning the spreader by using the spreader alignment device of the embodiment of the present invention is as follows:

Before hoisting, place the first signal transmitter 11 at the center of the object to be hoisted 20, and the first signal transmitter 11 will wirelessly send the first position signal representing the center of the object to be hoisted 20. The transmitter 12 wirelessly sends the second position signal representing the position of the spreader 31, and then the signal receiver 13 wirelessly receives the first position signal sent by the first signal transmitter 11 and the second position signal sent by the second signal transmitter. 12, the signal converter 14 converts the first position signal and the second position signal received by the signal receiver 13 into visualized first graphics 41 and second graphics 42 respectively, and displayed by the display screen 15. Display the first graphic 41 and the second graphic 42 on the display interface, as shown in FIG. 3 . Before lifting, the suspended object 20 is fixed, which is reflected on the display interface of the display screen 15, and the first figure 41 (representing the position of the suspended object 20) is in the center of the display interface and fixed; then, The operator manipulates the expansion, pitching, or rotation of the boom 32 to change the position of the spreader 31 in space, so that the spreader 31 moves toward the center position close to the suspended object 20; with the movement of the spreader 31, Reflected on the display interface of the display screen 15, the second graphic 42 (representing the position of the spreader 31) will move synchronously with the position of the second signal transmitter 12 and the spreader 31, so the operator can The status of the graphics above indicates that the spreader 31 is moved with purpose. When the second figure 42 moves to completely overlap with the first figure 41, it means that the spreader 31 is aligned with the object to be hoisted 20. At this time, the spreader 31 is just It is located directly above the object to be hoisted 20 and meets the hoisting requirements. For example, when the spreader 31 is at the A1 position in FIG. 2, the display of the first figure 41 and the second figure 42 on the display screen 15 is as shown in FIG. 3; if the spreader 31 moves from the A1 position to the A2 position, The second graphic 42 will move to completely overlap with the first graphic 41 , which means that the spreader 31 is just above the suspended object 20 at the position A2.

The embodiment of the utility model also provides a hoisting machine, including the above-mentioned hoisting machine hanger alignment device. The hoisting machinery is a truck crane, a crawler crane, or a tower crane.

To sum up the above, the hoisting machinery spreader alignment device and the lifting machinery provided by the embodiment of the utility model, when adjusting the position of the spreader, respectively pass the position of the spreader and the position of the center of the object to be hoisted through two A signal transmitter sends out, and then through the reception of the signal receiver, and then through the analog conversion of the signal converter, two visible graphics (namely the first graphic and the second graphic) are formed on the display screen, one of the graphics (ie The position of the first graphic representing the position of the suspended object) is fixed, while the other graphic (the second graphic representing the position of the spreader) can move synchronously with the position of the second signal transmitter and the spreader , when the two graphics overlap, it means that one of the signal transmitters is directly above the other signal transmitter, which means that the spreader is aligned with the object to be hoisted. At this time, the spreader is just above the center of the object to be hoisted. The lifting requirements are met, so the operator can achieve one-step positioning when adjusting the spreader, and the positioning is accurate and without deviation, which solves the shortcomings of large errors and low efficiency encountered in adjusting the position of the spreader through visual inspection, and at the same time improves the degree of automation. The operator can still adjust the spreader in place in one step without seeing the suspended object, which improves work efficiency and reduces labor intensity.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A hoisting machine spreader alignment device, characterized in that it includes a first signal transmitter (11), a second signal transmitter (12), a signal receiver (13), a signal converter (14), and a display screen (15); the first signal transmitter (11) is placed at the center of the suspended object (20) before hoisting, and is used to wirelessly send information reflecting the position of the center of the suspended object (20) The first position signal; the second signal transmitter (12) is arranged at a position corresponding to the spreader (31), and is used to wirelessly send a second position signal reflecting the position of the spreader (31); The signal receiver (13) is used to wirelessly receive the first position signal sent by the first signal transmitter (11) and the second position signal sent by the second signal transmitter (12); The signal converter (14) is used to analog-convert the first position signal and the second position signal received by the signal receiver (13) into a first graphic (41) and a second graphic (42); The display screen (15) is used to display the first graphic (41) and the second graphic (42) on the display interface, and the first graphic (41) is fixed on the display interface, so The second graphic (42) can move synchronously on the display interface as the position of the spreader (31) moves. 2. The hoisting machine spreader alignment device according to claim 1, characterized in that: the second signal transmitter (12) is set on the head of the boom (32), the hook (33), or On the hoisting wire rope (34). 3. The hoisting machinery spreader alignment device according to claim 1, characterized in that: the signal receiver (13) and the display screen (15) are both arranged in the operating room (35) of the hoisting machinery Inside. 4. The hoisting machinery spreader alignment device according to claim 1, characterized in that: the first figure (41) and the second figure (42) are black dots, squares, triangles, irregular Shapes, numbers, or symbols of different colors. 5. The hoisting machinery spreader alignment device according to claim 1, characterized in that: on the display interface of the display screen (15), the first graphic (41) is at the center of the display interface. 6. The hoisting machinery spreader alignment device according to claim 1, characterized in that: the signal receiver (13) and the signal converter (14) are two independent components. 7. The hoisting machine spreader alignment device according to claim 1, characterized in that: the signal receiver (13) and the signal converter (14) are integrated into an integrated component, and in the integrated component Two functional module structures with signal receiving and signal-to-analog conversion are set. 8. A hoisting machine, characterized by comprising the hoisting machine spreader alignment device according to any one of claims 1 to 7. 9. The hoisting machine according to claim 8, characterized in that: the hoisting machine is a truck crane, a crawler crane, or a tower crane.

Images