Early warning device for inclination of hoisted object of crane

Abstract

The utility model relates to an early warning device, belongs to the technical field of lifting object early warning, and particularly relates to a lifting object inclination early warning device of a crane, which comprises a wireless force measurement lifting appliance, the wireless force measurement lifting appliance comprises two anti-falling safety shells, tension sensors are mounted on the inner sides of the two anti-falling safety shells, and the tension sensors are connected with the wireless force measurement lifting appliance. Data wireless transmission and control modules are arranged on the outer sides of the two anti-falling safety shells; according to the utility model, the wireless data receiving and processing terminal is provided with the receiving antenna and the display screen for receiving and processing data acquired by the tension sensor in real time and visually displaying conditions such as the inclination degree of a lifted object, the lifting weight and the electric quantity of the wireless force-measuring lifting appliance on the display screen; and finally, through the cooperation of the wireless force-measuring lifting appliance and the wireless data receiving and processing terminal, the real-time monitoring and early warning of the inclined state of the lifted goods in the lifting process are realized, the safety accident of the inclined state of the lifted goods of the crane is effectively prevented, and the management and control level of the production operation behavior safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting object early warning, in particular to a crane hoisting object tilt early warning device. Background Art

[0002] With the continuous acceleration of the country's urbanization process, the number and scale of municipal engineering in my country are also increasing. In order to make full use of urban land space, deep foundation pit construction design is often considered in municipal engineering, especially in the design of urban subway stations.

[0003] During the construction of underground subway stations, construction units often use large-scale lifting and hoisting equipment such as truck cranes and crawler cranes to lift and transport materials between the foundation pit and the ground. When the hoisted objects are transported in the foundation pit, they are in the blind spot of the crane driver on the ground. The crane driver cannot judge the tilt state of the goods. If forced lifting is carried out under the conditions that the lifting signal is unclear and the lifting materials are in a tilted state, it will pose a great safety hazard to the workers in the foundation pit. Therefore, it is very necessary to monitor the tilt state of the hoisted goods in real time during the lifting process.

[0004] The existing lifting and hoisting equipment and sling devices do not have the function of monitoring the degree of inclination of the suspended objects, so there is an urgent need to design a more scientific and reasonable crane suspension tilt warning device to scientifically and accurately monitor the inclination state of the suspended objects in real time. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a crane hoisting object inclination warning device, which is equipped with a receiving antenna and a display screen on the wireless data receiving and processing terminal, which is used to receive and process the data collected in real time by the tension sensor, and visually display the inclination degree of the hoisting object, the hoisting weight, the power of the wireless force measuring hoist and the like on the display screen. Finally, through the cooperation of the wireless force measuring hoist and the wireless data receiving and processing terminal, real-time monitoring and early warning of the inclination state of the hoisted cargo is realized during the hoisting process, which effectively prevents the occurrence of safety accidents of crane hoisting object inclination and greatly improves the level of management and control of the safety of production operation behavior.

[0006] The technical solution to achieve the purpose of the utility model is: a crane hoist tilt warning device, including a wireless force measuring sling, the wireless force measuring sling includes two anti-falling insurance shells, the inner sides of the two anti-falling insurance shells are installed with tension sensors, and the outer sides of the two anti-falling insurance shells are provided with data wireless transmission and control modules, both ends of the two tension sensors are screwed with hanging wires, wherein the outer sides of the two hanging wires are provided with annular anti-slip protection devices at the middle position, and the two annular anti-slip protection devices are respectively connected to the two anti-falling insurance shells in a limited sliding manner, one end of the plurality of hanging wires is fixed with a universal hinge, one end of the plurality of universal hinges is hinged with a lifting ring, a rounded fan-shaped force transmission plate is hinged between the two lifting rings at the upper end, and the two lifting rings at the lower end are respectively hinged with a steel wire rope 1 and a steel wire rope 2, and also includes: a wireless data receiving and processing terminal.

[0007] In some embodiments, the wireless data receiving and processing terminal includes a receiving antenna and a high-definition display screen, and the receiving antenna and the high-definition display screen are electrically connected.

[0008] In some embodiments, a power source, a wireless charging module and a photovoltaic charging module are disposed on the outer sides of the two anti-falling safety shells.

[0009] In some embodiments, the contact surfaces between the two hanging wires and the annular anti-slip protection device are both provided with wear-resistant rubber rings.

[0010] In some embodiments, the wireless data receiving and processing terminal is specifically installed in the crane driver's cab, and the wireless data receiving and processing terminal is wirelessly connected to the data wireless transmission and control module.

[0011] Compared with the prior art, the present invention has the following significant advantages:

[0012] Firstly, the utility model is provided with a receiving antenna and a display screen in the wireless data receiving and processing terminal, which is used to receive and process the data collected by the tension sensor in real time, and visually display the inclination degree of the hoisted object, the hoisting weight, the power of the wireless force measuring hoist and the like on the display screen. Finally, through the cooperation between the wireless force measuring hoist and the wireless data receiving and processing terminal, the inclination state of the hoisted goods is monitored and warned in real time during the hoisting process, which effectively prevents the occurrence of safety accidents caused by the tilting of the hoisted objects by the crane, and greatly improves the management and control level of the safety of production operation behavior.

[0013] Second, the utility model is connected to the anti-falling insurance housing through limited sliding through the annular anti-slipping protection device, and a wear-resistant rubber ring is arranged between the contact surfaces of the two. In an emergency, the annular anti-slipping protection device and the anti-falling insurance housing form a sensor wire-breaking and breakage insurance system;

[0014] The invention solves the problem that the existing lifting and hoisting equipment and the sling device have no function of monitoring the tilt degree of the hoisted object. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a partial structural schematic diagram of a wireless force measuring spreader provided in one embodiment of the utility model;

[0017] Figure 2 It is a partial structural diagram of a wireless data receiving and processing terminal provided in one embodiment of the utility model;

[0018] Figure 3 It is a side view structural diagram of one of the wireless force measuring spreaders provided in one embodiment of the utility model;

[0019] Figure 4 It is a rear view structural schematic diagram of one of the wireless force measuring spreaders provided in one embodiment of the utility model.

[0020] Description of reference numerals:

[0021] 1. Rounded fan-shaped force transmission plate; 2. Lifting ring; 3. Lifting wire; 4. Wireless force measuring sling; 5. Tension sensor; 6. Anti-fall insurance housing; 7. Wireless data transmission and control module; 8. Annular anti-slip protection device; 9. Universal hinge; 10. Wear-resistant rubber ring; 11. Wire rope 1; 12. Wire rope 2; 13. Wireless data receiving and processing terminal; 14. Receiving antenna; 15. High-definition display; 16. Power supply; 17. Wireless charging module; 18. Photovoltaic charging module. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a crane hoisting object tilt warning device through improvement. The technical solution of the utility model is:

[0024] like Figure 1-Figure 4As shown, a crane load tilt warning device includes a wireless force measuring sling 4, the wireless force measuring sling 4 includes two anti-falling insurance shells 6, the inner sides of the two anti-falling insurance shells 6 are installed with tension sensors 5, and the outer sides of the two anti-falling insurance shells 6 are provided with data wireless transmission and control modules 7, both ends of the two tension sensors 5 are screwed with hanging wires 3, wherein the outer sides of the two hanging wires 3 are provided with annular anti-slip protection devices 8 at the middle section, and the two annular anti-slip protection devices 8 are respectively connected to the two anti-falling insurance shells 6 in a limited sliding manner, and the two annular anti-slip protection devices 8 are respectively connected to the two anti-falling insurance shells 6 in a limited sliding manner, and the two annular The anti-slip protection device 8 forms a wire-loosening and breakage insurance system for two tension sensors 5 together with two anti-fall insurance housings 6 in an emergency situation. A universal hinge 9 is fixed at one end of each of the plurality of hanging wires 3. A lifting ring 2 is hinged at one end of each of the plurality of universal hinges 9. A rounded fan-shaped force transmission plate 1 is hinged between the two lifting rings 2 at the upper end. A steel wire rope 11 and a steel wire rope 2 12 are hinged at the two lifting rings 2 at the lower end, respectively. The device also includes: a wireless data receiving and processing terminal 13. The wireless data receiving and processing terminal 13 can receive data collected by the two tension sensors 5 in real time.

[0025] like Figure 2 As shown, in one embodiment, the wireless data receiving and processing terminal 13 includes a receiving antenna 14 and a high-definition display screen 15, and the receiving antenna 14 and the high-definition display screen 15 are electrically connected to receive and process data collected in real time by the two tension sensors 5, and visually display the degree of inclination of the hoisted object, the hoisting weight, the power level of the two wireless force measuring hoists 4, etc. on the high-definition display screen 15.

[0026] like Figure 3 and Figure 4 As shown, in one embodiment, a power supply 16, a wireless charging module 17 and a photovoltaic charging module 18 are provided on the outer sides of the two anti-fall safety housings 6. The wireless charging module 17 is combined with a dedicated wireless charger to charge the power supply 16. The photovoltaic charging module 18 can effectively utilize photovoltaic power generation in real time during the lifting operation to assist in charging the wireless force measuring power supply 16.

[0027] like Figure 1 As shown, in one embodiment, the contact surfaces between the two hanging wires 3 and the annular anti-slip protection device 8 are provided with wear-resistant rubber rings 10, which can play an anti-wear effect.

[0028] like Figure 2 As shown, in one embodiment, the wireless data receiving and processing terminal 13 is specifically installed in the crane driver's operating room, and the wireless data receiving and processing terminal 13 is wirelessly connected to the data wireless transmission and control module 7 for receiving signals.

[0029] The specific working method is as follows: turn on the power supply 16, connect the wireless data receiving and processing terminal 13 to the data wireless transmission and control module 7 on the outside of the two wireless force measuring spreaders 4 at the same time, install the rounded fan-shaped force transmission plate 1 to hang it on the hook, hang the two wireless force measuring spreaders 4 on the rounded fan-shaped force transmission plate 1 respectively, install the wire rope 11 and the wire rope 2 12 to hang them on the two wireless force measuring spreaders 4 respectively, install the wireless data receiving and processing terminal 13 in the crane driver's operating room, first, operate the data receiving and processing terminal 13 before lifting and hoisting The wireless data receiving and processing terminal 13 is used to observe the operating status of the equipment. Secondly, the tilt degree of the hanging object is always observed during the lifting process to determine the balance state of the cargo. The tilt warning device is turned on to check the operating status of the two wireless force measuring spreaders 4 and the remaining power. The tilt degree of the hanging object displayed by the wireless data receiving and processing terminal 13 = [(F2-F1) / F2] × 100%, F1 and F2 are the tension values ​​obtained by the two wireless force measuring spreaders 4 respectively, and F2 is the maximum tension of the two wireless force measuring spreaders 4.

[0030] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A crane load tilt warning device, comprising a wireless force measuring sling (4), wherein the wireless force measuring sling (4) comprises two anti-falling safety shells (6), wherein the inner sides of the two anti-falling safety shells (6) are both equipped with tension sensors (5), and the outer sides of the two anti-falling safety shells (6) are both equipped with data wireless transmission and control modules (7), wherein: Both ends of the two tension sensors (5) are screwed with hanging wires (3), wherein the outer sides of the two hanging wires (3) are provided with annular anti-slip protection devices (8) at the middle positions, and the two annular anti-slip protection devices (8) are respectively connected to two anti-falling safety shells (6) in a limited sliding manner, and one end of the plurality of hanging wires (3) is fixed with a universal hinge (9), and one end of the plurality of universal hinges (9) is hinged with a lifting ring (2), and a rounded fan-shaped force transmission plate (1) is hinged between the two lifting rings (2) at the upper end, and the two lifting rings (2) at the lower end are respectively hinged with a steel wire rope 1 (11) and a steel wire rope 2 (12), and also includes: a wireless data receiving and processing terminal (13).

2. A crane load tilt warning device according to claim 1, characterized in that: The wireless data receiving and processing terminal (13) comprises a receiving antenna (14) and a high-definition display screen (15), and the receiving antenna (14) and the high-definition display screen (15) are electrically connected.

3. The crane load tilt warning device according to claim 1, characterized in that: The outer sides of the two anti-falling safety shells (6) are both provided with a power source (16), a wireless charging module (17) and a photovoltaic charging module (18).

4. The crane load tilt warning device according to claim 1, characterized in that: The contact surfaces between the two hanging wires (3) and the annular anti-slip protection device (8) are both provided with wear-resistant rubber rings (10).

5. The crane load tilt warning device according to claim 1 is characterized by: The wireless data receiving and processing terminal (13) is specifically installed in the crane driver's operating room, and the wireless data receiving and processing terminal (13) is wirelessly connected to the data wireless transmission and control module (7).

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