Pull rope safety angle quick verification device and working method thereof

Abstract

The present invention relates to a quick calibration device for the safety angle of a pull rope and a working method thereof, comprising a base, wherein four laser heads are built in the base, and the angles between adjacent laser heads are all 90 degrees, and the laser heads all extend obliquely downward outward to the outer surface of the base, and a fan for heat dissipation is arranged on the upper surface of the base, and a battery is installed on the upper end of the fan, and a plurality of circuit boards are arranged beside the battery, and the circuit board, the battery and the fan cover are arranged inside through an outer shell above the circuit board, and the lower end of the outer shell is connected to the outer edge of the upper end of the base, and the direction of the base is adjusted by a pan head below the base, and the lower end of the pan head is supported by a tripod fixing frame, and the quick calibration device for the safety angle of a pull rope has a simple structure and is convenient and efficient to operate.

Description

Technical Field

[0001] The invention relates to a quick checking device for the safety angle of a pull rope and a working method thereof. Background Art

[0002] At present, the installation and positioning of the insulating ladder requires ropes and anchor piles, but the selection of anchor pile anchor points has always been a difficult problem in the installation operation. How to simply and quickly determine the position of the minimum safe anchor point outside the insulating ladder has always been a problem to be solved. Once the position of the minimum safe anchor point outside the insulating ladder is determined, the safety angle of the rope can also be quickly verified. This design aims to study a set of devices that can be used in a variety of terrains to quickly determine the position of the minimum safe anchor point, so as to improve the progress of live repair, save operation time, eliminate emergency defects in a timely manner, and restore the health level of equipment. Summary of the invention

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a pull rope safety angle quick calibration device and a working method thereof, which are not only structurally reasonable but also convenient and fast.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a quick calibration device for the safety angle of a pull rope, comprising a base, wherein four laser heads are built in the base, and the angles between adjacent laser heads are 90°. The laser heads all extend obliquely downward outward to the outer surface of the base, and a fan for heat dissipation is arranged on the upper surface of the base. A battery is installed on the upper end of the fan, and a number of circuit boards are arranged beside the battery. The circuit board, the battery and the fan cover are arranged inside an outer shell above the circuit board, and the lower end of the outer shell is connected to the outer edge of the upper end of the base. The direction of the base is adjusted by a pan head below, and the lower end of the pan head is supported by a tripod fixing frame.

[0005] Furthermore, the base is in the shape of an inverted truncated cone, and a cylindrical mounting groove is opened from the top downwards. A cross-shaped laser head mounting seat is fixed in the mounting groove. The periphery of the laser head mounting seat is fixedly connected to the peripheral wall of the mounting groove, and a through hole for installing the laser head is opened inside the laser head mounting seat from the center to the surrounding areas.

[0006] Furthermore, the laser head mounting seat is coaxially mounted in the base, a circular hole communicating with the through hole is opened at the center of the upper end of the laser head mounting seat, and the laser head is electrically connected to the upper circuit board through the circular hole.

[0007] Furthermore, the circuit boards are all supported by vertically arranged support rods, the upper ends of the support rods pass through the circuit boards and are fixed, and the lower ends of the support rods are fixed to the base.

[0008] Furthermore, a scale for adjusting the vertical height of the pan-tilt head is installed between the pan-tilt head and the tripod fixing frame.

[0009] Furthermore, the shell is made of epoxy resin, and a plurality of vents for heat dissipation are evenly distributed on its periphery.

[0010] Furthermore, a switch and a charging socket are embedded in the top of the shell, and both the switch and the charging socket extend into the shell and are electrically connected to the battery.

[0011] A working method of a quick verification device for the safety angle of a pull rope is carried out according to the following steps: first, according to different assembly heights of an insulating ladder, the corresponding safety distance scale on the ruler is adjusted, then the base is installed on the pan head and the overall orientation is adjusted and fixed, then the switch is pressed to start, and the laser head is respectively emitted to the ground in different directions, that is, four minimum safety anchoring point positions are formed for anchor stakes, and a circle with a center of a triangular fixing frame as the center and a distance from the triangular fixing frame to the minimum safety anchoring point as the radius is the defined range of the safety anchoring point, and the anchoring point needs to be set at a position outside the range, and then the angle between the pull rope and the ground within the minimum safety anchoring point can be verified by pulling the rope from the top of the insulating ladder to the anchoring point, which is the safety angle, and the angle of the safety angle needs to be less than 60°.

[0012] Compared with the prior art, the present invention has the following beneficial effects: by adjusting the corresponding safety distance scale on the ruler according to the different assembly heights of the insulating ladder, the laser head is placed at a certain height, and the point shot to the ground at this height is the minimum safety anchor point corresponding to the insulating ladder. The method is simple to operate, effectively improves the progress of live emergency repairs, saves working time, eliminates emergency defects in time, and restores the health level of the equipment; at the same time, the coordinated design of the grooves, fans and vents can effectively dissipate heat inside the casing.

[0013] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of an embodiment of the present invention;

[0015] Figure 2 Schematic diagram of the structure of the base in an embodiment of the present invention;

[0016] Figure 3 is a cross-sectional view of a base in an embodiment of the present invention;

[0017] Figure 4 Schematic diagram of the installation of an embodiment of the present invention.

[0018] In the figure: 1-base, 2-laser head, 3-fan, 4-battery, 5-circuit board, 6-housing, 7-pan head, 8-trip bracket, 9-mounting slot, 10-laser head mounting seat, 11-through hole, 12-groove, 13-round hole, 14-support rod, 15-ruler, 16-ventilation port, 17-switch, 18-charging socket. DETAILED DESCRIPTION

[0019] In order to make the above features and advantages of the present invention more clearly understood, embodiments are given below with reference to the accompanying drawings for detailed description as follows.

[0020] like Figures 1 to 4 As shown, a quick calibration device for the safety angle of a pull rope, a quick calibration device for the safety angle of a pull rope, includes a base 1, four laser heads 2 are built in the base, the angles between adjacent laser heads are 90°, the laser heads are all extended obliquely downward outward to the outer surface of the base, a fan 3 for heat dissipation is arranged on the upper surface of the base, a battery 4 is installed on the upper end of the fan, a number of circuit boards 5 are arranged beside the battery, a shell 6 is used to arrange the circuit board, battery and fan cover above the circuit board, the lower end of the shell is connected to the outer edge of the upper end of the base, the direction is adjusted by a pan head 7 below the base, and the lower end of the pan head is supported by a tripod fixing frame 8.

[0021] In the embodiment of the present invention, the base is in the shape of an inverted truncated cone, and a cylindrical mounting groove 9 is opened from the top downwards in the base, a cross-shaped laser head mounting seat 10 is fixed in the mounting groove, and the periphery of the laser head mounting seat is fixedly connected to the peripheral wall of the mounting groove, and a through hole 11 for installing the laser head is opened from the center to the surrounding inside the laser head mounting seat. The bottom of the base is hollow to facilitate heat dissipation. The base is made of aluminum alloy with a diameter of 130 mm. The outer surface of the laser head mounting seat is provided with grooves 12 at intervals along its length to form a heat sink-like structure, which can effectively dissipate the heat inside with a fan.

[0022] In the embodiment of the present invention, the laser head mounting seat is coaxially mounted in the base, a circular hole 13 communicating with the through hole is provided at the center of the upper end of the laser head mounting seat, and the laser head is electrically connected to the upper circuit board through the circular hole.

[0023] In the embodiment of the present invention, the laser head is tilted downward at an angle of 15°, and the power is 3W; the corresponding inward tilt angle of the base side is also 15°.

[0024] In the embodiment of the present invention, the circuit boards are all supported by vertically arranged support rods 14, the upper ends of the support rods pass through the circuit boards and are fixed, and the lower ends of the support rods are fixed to the base.

[0025] In the embodiment of the present invention, a scale 15 for adjusting the vertical height of the pan / tilt is installed between the pan / tilt and the tripod fixing frame. The scale is marked with a safety distance scale. According to the different assembly heights of the insulating ladder, corresponding safety distance laser marking scales are marked. If "10" is displayed on the scale, it means that the horizontal distance from the laser head installed at this height to the point on the ground is the safety distance from the 10-meter-high insulating ladder to the anchor point.

[0026] In the embodiment of the present invention, the shell is made of epoxy resin, and a plurality of vents 16 for heat dissipation are evenly distributed on the periphery thereof.

[0027] In the embodiment of the present invention, a switch 17 and a charging socket 18 are embedded in the top of the shell. Both the switch and the charging socket extend into the shell and are electrically connected to the battery. The circuit and principle of controlling the battery power supply by the switch to start the laser head are universal designs and will not be described in detail.

[0028] A working method of a pull rope safety angle rapid verification device is carried out in the following steps: first, according to different assembly heights of an insulating ladder, the corresponding safety distance scale on the ruler is adjusted, then the base is installed on the pan head and the overall orientation is adjusted and fixed, then the switch is pressed to start, and the laser head is respectively shot to the ground in different directions, that is, four minimum safety anchoring point positions are formed for anchor stakes, and a circle with a center of a triangular fixing frame as the center and a distance from the triangular fixing frame to the minimum safety anchoring point as the radius is the defined range of the safety anchoring point, and the anchoring point needs to be set at a position outside the range, and then the angle between the pull rope and the ground within the minimum safety anchoring point can be verified by pulling the rope from the top of the insulating ladder to the anchoring point, which is the safety angle. The angle of the safety angle needs to be less than 60° and greater than 45°. After determining the position of the minimum safety anchoring point, the device can be dismantled, and then the insulating ladder is vertically set up at the original position of the device.

[0029] In the embodiment of the present invention, by adjusting the pan / tilt, four minimum safety anchor points can be determined again, and the new minimum safety anchor point can be an acute angle or an obtuse angle with the original minimum safety anchor point, which can be selected according to actual needs.

[0030] The present invention is not limited to the above-mentioned best embodiment. Anyone can derive other various forms of rope safety angle quick check devices and working methods under the enlightenment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims

1. A quick check device for the safety angle of a pull rope, characterized by: The invention comprises a base, wherein four laser heads are built in the base, and the angles between adjacent laser heads are all 90 degrees, and the laser heads are all extended obliquely downward outward to the outer surface of the base, and a fan for heat dissipation is arranged on the upper surface of the base, and a battery is installed on the upper end of the fan, and a plurality of circuit boards are arranged beside the battery, and a housing is arranged above the circuit board to house the circuit board, the battery and the fan cover, and the lower end of the housing is connected to the outer edge of the upper end of the base, and a pan head is arranged below the base to adjust the direction, and the lower end of the pan head is supported by a tripod fixing frame; The base is in the shape of an inverted truncated cone, and a cylindrical mounting groove is opened from the top downwards of the base, a cross-shaped laser head mounting seat is fixed in the mounting groove, the periphery of the laser head mounting seat is fixedly connected to the peripheral wall of the mounting groove, and a through hole for mounting the laser head is opened from the center to the surroundings inside the laser head mounting seat; The laser head mounting seat is coaxially mounted in the base, a circular hole communicating with the through hole is opened at the center of the upper end of the laser head mounting seat, and the laser head is electrically connected to the upper circuit board through the circular hole; A ruler for adjusting the vertical height of the pan head is installed between the pan head and the tripod fixing frame.

2. The pull rope safety angle quick verification device according to claim 1 is characterized in that: The circuit boards are all supported by vertically arranged support rods, the upper ends of the support rods pass through the circuit boards for fixing, and the lower ends of the support rods are fixedly connected to the base.

3. The pull rope safety angle quick verification device according to claim 1 is characterized in that: The shell is made of epoxy resin, and a plurality of vents for heat dissipation are evenly distributed on its periphery.

4. The pull rope safety angle quick verification device according to claim 1 is characterized in that: A switch and a charging socket are embedded on the top of the shell, and both the switch and the charging socket extend into the shell to be electrically connected to the battery.

5. A working method of a pull rope safety angle quick verification device, characterized in that: A device for quickly checking the safety angle of a pull rope as described in any one of claims 1 to 4 is used, and the following steps are followed: first, according to the different assembly heights of the insulating ladder, the corresponding safety distance scale on the ruler is adjusted, and then the base is installed on the pan head and the overall orientation is adjusted and fixed, and then the switch is pressed to start, and the laser head is shot to the ground in different directions, that is, four minimum safety anchoring point positions are formed for anchor stakes. The circle with the center of the triangular fixing frame as the center and the distance from the triangular fixing frame to the minimum safety anchoring point as the radius is the defined range of the safety anchoring point. The anchoring point needs to be set at a position outside the range, and then the angle between the pull rope and the ground within the minimum safety anchoring point can be checked by pulling the rope from the top of the insulating ladder to the anchoring point, which is the safety angle, and the angle of the safety angle needs to be less than 60°.

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