Hoisting device for large steel truss

Abstract

The invention provides a hoisting device for a large steel truss, and relates to the field of hoisting devices.When the hoisting device is used, the truss is hung on a hoisting steel rope through a hoisting hook, then a hoisting machine adjusts the height of the truss through the hoisting steel rope, and a transverse traction machine adjusts a first hoisting arm and a second hoisting arm in the horizontal direction through a traction rope; the truss is adjusted to a proper position through a lifting steel rope, then the lifting steel rope is loosened, the truss is placed to the proper position, an acceleration sensor, a tilt angle sensor, a strain sensor and a displacement sensor detect the posture, position and stress changes of the truss, and detected data are sent to a development data acquisition module; the data acquisition module is developed to send acquired data to the data processing module through the data transmission module, the data processing module analyzes and processes the data and compares the data with preset data, and then a worker adjusts the lifting machine and the transverse traction machine, so that the truss is prevented from greatly deviating, and the mounting safety of the truss is ensured.

Description

Technical Field

[0001] This application relates to the field of hoisting devices, and more specifically, to a hoisting device for a large steel truss. Background Technology

[0002] A truss is a structure composed of members connected to each other at both ends by hinges. Trusses are planar or spatial structures composed of straight members, generally with triangular units. Truss members mainly bear axial tension or compression, thus making full use of the strength of the material. When the span is large, it can save material, reduce self-weight, and increase stiffness compared to solid beams.

[0003] The current hoisting equipment cannot detect the attitude, position and stress of the truss during the hoisting process, which poses a risk of displacement or falling. Therefore, the current hoisting equipment needs to be improved. Summary of the Invention

[0004] The purpose of this application is to provide a hoisting device for large steel trusses, which can solve the above-mentioned technical problems.

[0005] This application provides a hoisting device for a large steel truss, including a first lifting boom, a second lifting boom, a transverse guide rail, a crane, a transverse traction machine, lifting steel ropes, traction ropes, a control system, and detection sensors. The detection sensors include an acceleration sensor, a tilt sensor, a strain sensor, and a displacement sensor. The control system includes a data acquisition module, a data transmission module, and a data processing module. The first and second lifting booms are arranged in a "V" shape. The lower ends of the first and second lifting booms are slidably mounted on the transverse guide rail. A first pulley block is provided at the upper end of the first lifting boom, and a second pulley block is provided at the upper end of the second lifting boom. One end of the lifting steel rope is equipped with a lifting hook. The lifting steel rope is sequentially slidably wound around the first pulley block and the second pulley block and connected to the crane. One end of the traction rope is connected to the first crane arm and the second crane arm, and the other end of the traction rope is connected to the transverse traction machine. The acceleration sensor, the tilt sensor, the strain sensor, and the displacement sensor are installed on the lifting hook. The acceleration sensor, the tilt sensor, the strain sensor, and the displacement sensor are all electrically connected to the development data acquisition module. The development data acquisition module, the data transmission module, and the data processing module are sequentially electrically connected.

[0006] Preferably, the lifting steel rope has at least five lifting ropes at the end near the lifting hook, and the lifting rope is made of multiple strands of steel wire twisted together.

[0007] As preferred, the transverse traction machines are provided with a plurality, the traction ropes are provided with a plurality, and the number of the transverse traction machines is consistent with the number of the traction ropes.

[0008] As preferred, the first hoisting arm comprises a connecting arm and a plurality of branch arms, the upper and lower ends of the branch arms are provided with a plurality of connecting portions, the branch arms are connected in a head-to-tail mode through the connecting portions, the connecting arm is installed at the lower end of the lowest branch arm, and the connecting arm is slidably installed on the transverse guide rail.

[0009] As preferred, the connecting arm and the branch arms are all made of hollow brackets, and the second hoisting arm is also made of hollow brackets.

[0010] As preferred, the acceleration sensor, the inclination sensor, the strain sensor and the displacement sensor are all provided with a plurality.

[0011] As preferred, the inclination angle of the first hoisting arm is 60-70 degrees, and the inclination angle of the second hoisting arm is 110-120 degrees.

[0012] As preferred, the hoisting machine is a ship-mounted hoisting machine.

[0013] As preferred, the hoisting device further comprises an input control module, and the input control module is electrically connected with the data processing module.

[0014] The present application has the following beneficial effects:

[0015] The application provides a hoisting device for large steel trusses, which comprises a first lifting arm, a second lifting arm, a transverse guide rail, a lifting machine, a transverse traction machine, a lifting steel rope, a traction rope, a control system and detection sensors, the detection sensors comprise acceleration sensors, inclination sensors, strain sensors and displacement sensors, the control system comprises a development data acquisition module, a data transmission module and a data processing module, the first lifting arm and the second lifting arm are arranged in a V shape, the lower ends of the first lifting arm and the second lifting arm are slidably installed on the transverse guide rail, the upper end of the first lifting arm is provided with a first pulley block, the upper end of the second lifting arm is provided with a second pulley block, one end of the lifting steel rope is provided with a lifting hook, the lifting steel rope is sequentially slidably wound around the first pulley block, the second pulley block and the lifting machine, one end of the traction rope is connected with the first lifting arm and the second lifting arm, and the other end of the traction rope is connected with the transverse traction machine, the acceleration sensors, the inclination sensors, the strain sensors and the displacement sensors are installed on the lifting hook, the acceleration sensors, the inclination sensors, the strain sensors and the displacement sensors are electrically connected with the development data acquisition module, and the development data acquisition module, the data transmission module and the data processing module are sequentially electrically connected. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 The structural schematic diagram of the present application;

[0018] Figure 2 Another perspective view of the structure of the present application.

[0019] The reference signs are as follows:

[0020] 1, first lifting arm; 2, second lifting arm; 3, transverse guide rail; 4, lifting machine; 5, transverse traction machine; 6, lifting steel rope; 7, traction rope; 8, first pulley block; 9, second pulley block; 10, lifting hook; 11, connecting arm; 12, branch arm. DETAILED DESCRIPTION

[0021] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0025] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0026] In the description of the application, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0027] As Figures 1-2As shown, a large steel truss hoisting device, including first hoisting arm 1, second hoisting arm 2, transverse guide rail 3, hoisting machine 4, transverse traction machine 5, hoisting steel rope 6, traction rope 7, control system and detection sensor, the detection sensor includes acceleration sensor, inclination sensor, strain sensor, displacement sensor, the control system includes the development data acquisition module, data transmission module, data processing module, the control system includes the development data acquisition module, data transmission module, data processing module, the first hoisting arm 1, the second hoisting arm 2 is "V" setting, the first hoisting arm 1 lower end, the second hoisting arm 2 lower end is slidably installed on the transverse guide rail 3, the first hoisting arm 1 upper end is provided with first pulley block 8, the second hoisting arm upper end is provided with second pulley block 9, one end of the hoisting steel rope 6 is provided with hoisting hook 10, the hoisting steel rope 6 is sequentially slidably wound first pulley block 8, second pulley block 9 and hoisting machine 4 is connected, one end of the traction rope 7 is connected with the first hoisting arm 1, the second hoisting arm 2, the other end of the traction rope 7 is connected with the transverse traction machine 5, the acceleration sensor, the inclination sensor, the strain sensor, the displacement sensor are installed on the hoisting hook 10, the acceleration sensor, the inclination sensor, the strain sensor, the displacement sensor are electrically connected with the development data acquisition module, the development data acquisition module, the data transmission module, the data processing module are electrically connected in sequence, when using, the truss is hung on the hoisting steel rope 6 through the hoisting hook 10, then the hoisting machine 4 adjusts the height of the truss through the hoisting steel rope 6, the transverse traction machine 5 adjusts the first hoisting arm 1, the second hoisting arm 2 in the horizontal direction through the traction rope 7, so that the truss is adjusted to the appropriate position, then the hoisting steel rope 6 is loosened, so that the truss is placed in the appropriate position, and in the process of operation, the acceleration sensor, the inclination sensor, the strain sensor, the displacement sensor detect the posture, position and stress change of the truss, and send the detected data to the development data acquisition module, the development data acquisition module sends the collected data to the data processing module through the data transmission module, the data processing module analyzes and processes the data, and compares with the preset data, then the staff adjusts the hoisting machine 4, the transverse traction machine 5, to prevent the truss from deviating greatly in the process of moving, to ensure the safety of the truss installation.

[0028] In the embodiment, one end of the hoisting steel rope 6 close to the hoisting hook 10 is provided with at least five hoisting ropes, the hoisting ropes are twisted by multiple steel wires, specifically, when the truss is hung, the five hoisting ropes exert force at different positions, such as Figure 2 As shown, the five hoisting ropes are symmetrically distributed, so that the truss is uniformly stressed.

[0029] In the embodiment, to ensure safety, the transverse traction machines 5 are provided in plurality, the traction ropes 7 are provided in plurality, the number of the transverse traction machines 5 is consistent with the number of the traction ropes 7, and specifically, in use, the first hoisting arm 1 and the second hoisting arm 2 can be pulled back by the plurality of transverse traction machines 5, and when one of them fails, the others can still work normally, thereby improving the fault tolerance.

[0030] In the embodiment, the first hoisting arm 1 comprises a connecting arm 11 and a plurality of branch arms 12, the upper and lower ends of the branch arms 12 are provided with a plurality of connecting portions, the plurality of branch arms 12 are connected in head-tail mode through the connecting portions, the connecting arm 11 is installed at the lower end of the lowermost branch arm 12, the connecting arm 11 is slidably installed on the transverse guide rail 3, the connecting arm 11 and the branch arms 12 are made of hollow brackets, and the second hoisting arm 2 is also made of a hollow bracket, the branch arms 12 and the connecting arm 11 of the present application can effectively reduce the weight of the first hoisting arm 1, the hollow second hoisting arm 2 can effectively reduce the weight, specifically, support rods can be added in the second hoisting arm 2, in the connecting arm 11 and in the branch arms 12, the strength of the connecting arm 11, the branch arms 12 and the second hoisting arm 2 can be effectively enhanced, and when one of the branch arms 12 is damaged, it can be directly replaced, thereby saving cost.

[0031] In the embodiment, the acceleration sensor, the inclination sensor, the strain sensor and the displacement sensor are provided in plurality, and specifically, the present application can prevent one of the sensors from being damaged in use and affecting the accuracy through detection of a plurality of data.

[0032] In the embodiment, the inclination angle of the first hoisting arm 1 is 60-70 degrees, and the inclination angle of the second hoisting arm 2 is 110-120 degrees, and specifically, appropriate angles can be selected according to requirements, for example, the inclination angle of the first hoisting arm 1 is 65 degrees, and the inclination angle of the second hoisting arm 2 is 115 degrees.

[0033] In the embodiment, the hoisting machine 4 is a ship-mounted hoisting machine 4, and the present application can work on the water surface, and when working on the water surface, the transverse guide rail 3 is also installed on the ship.

[0034] In the embodiment, the hoisting device further comprises an input control module, the input control module is electrically connected with the data processing module, and the input control module of the present application is used for manual input control data by the worker and adjustment of parameters.

[0035] The above merely provides preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the principles and technical scope of the present application shall fall into the scope of the present application.

Claims

1. A hoisting device for a large steel truss, characterized in that: The system includes a first lifting boom, a second lifting boom, a transverse guide rail, a crane, a transverse traction machine, a lifting steel rope, a traction rope, a control system, and detection sensors. The detection sensors include an acceleration sensor, a tilt sensor, a strain sensor, and a displacement sensor. The control system includes a data acquisition module, a data transmission module, and a data processing module. The first and second lifting booms are arranged in a "V" shape. The lower ends of the first and second lifting booms are slidably mounted on the transverse guide rail. A first pulley block is provided at the upper end of the first lifting boom, and a second pulley block is provided at the upper end of the second lifting boom. One end of the lifting steel rope is... A lifting hook is provided. The lifting steel rope is sequentially slidably wound around the first pulley block and the second pulley block and connected to the crane. One end of the traction rope is connected to the first crane arm and the second crane arm, and the other end of the traction rope is connected to the transverse traction machine. The acceleration sensor, the tilt sensor, the strain sensor, and the displacement sensor are installed on the lifting hook. The acceleration sensor, the tilt sensor, the strain sensor, and the displacement sensor are all electrically connected to the development data acquisition module. The development data acquisition module, the data transmission module, and the data processing module are sequentially electrically connected.

2. The hoisting device for a large steel truss according to claim 1, characterized in that: At least five lifting ropes are provided at the end of the lifting steel rope near the lifting hook, and the lifting rope is made of multiple strands of steel wire twisted together.

3. The hoisting device for a large steel truss according to claim 1, characterized in that: The lateral traction machine is provided in multiple ways, and the traction rope is provided in multiple ways. The number of lateral traction machines is the same as the number of traction ropes.

4. The hoisting device for a large steel truss according to claim 1, characterized in that: The first lifting boom includes a connecting boom and multiple support booms. Multiple connecting parts are provided at the upper and lower ends of each support boom. The multiple support booms are connected end to end through the connecting parts. The connecting boom is installed at the lower end of the lowest support boom and is slidably installed on the transverse guide rail.

5. The hoisting device for a large steel truss according to claim 4, characterized in that: The connecting arm and the support arm are both made of hollow brackets, and the second lifting arm is also made of hollow brackets.

6. The hoisting device for a large steel truss according to claim 1, characterized in that: Multiple acceleration sensors, tilt sensors, strain sensors, and displacement sensors are provided.

7. The hoisting device for a large steel truss according to claim 1, characterized in that: The first boom is tilted at an angle of 60-70 degrees, and the second boom is tilted at an angle of 110-120 degrees.

8. The hoisting device for a large steel truss according to claim 1, characterized in that: The crane is a ship-mounted crane.

9. The hoisting device for a large steel truss according to claim 1, characterized in that: The hoisting device also includes an input control module, which is electrically connected to the data processing module.

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