CN223744143U

CN223744143U - Lightning protection system for open-air alkali stone mine

Info

Publication number: CN223744143U
Application number: CN202520015964.7U
Authority: CN
Inventors: 张亮; 王建; 孙世超; 朱晓玺; 袁英; 徐杰; 曾繁磊
Original assignee: TANGSHAN SANYOU MINE CO LTD
Current assignee: TANGSHAN SANYOU MINE CO LTD
Priority date: 2025-01-03
Filing date: 2025-01-03
Publication date: 2025-12-30
Anticipated expiration: 2035-01-03

Abstract

This utility model discloses a lightning protection system for open-pit alkali rock mines, including a lightning rod and a lightning protection network. The lightning rod is installed close to the equipment, and the lightning protection network is erected above the equipment or building via a support frame. The support frame includes a base plate, and a support sleeve is rotatably mounted on the base plate. A support column is slidably connected inside the support sleeve, and a clamping assembly for holding the lightning protection wire is connected to the outside of the support column. In this utility model, the positive and negative threaded screw sleeves in the adjustment assembly drive the first and second threaded screws to move, causing the support sleeve and support column to rotate until they are in a vertical position. The support column slides within the support sleeve to adjust the height of the support sleeve, ensuring that the tops of each support sleeve are aligned, ensuring the flatness of the lightning protection network installation, and thus improving the stability of the lightning protection network.

Description

Lightning protection system for open-air alkali stone mine

Technical Field

The utility model relates to the technical field of mine lightning protection, in particular to an open-air alkali stone mine lightning protection system.

Background

Because of their special geographical environment and height characteristics, surface mines make equipment such as electric shovels, electric backhoes, down-the-hole drills, electric mining vehicles, and the like extremely vulnerable to lightning. For this purpose, for buildings or the above-mentioned devices which require special protection, separate lightning conductors are often installed or lightning protection nets are laid. When laying the lightning protection net, a bracket is needed to be used as a supporting structure of the lightning protection net, and the flatness of the bracket is important to the stability of the lightning protection net. However, due to the complex mine environment, there may be problems of uneven terrain, uneven soil hardness, etc., and the existing brackets cannot be adjusted in angle and height according to the terrain conditions, so that it is difficult to maintain the overall consistency and flatness of each bracket. Each support is uneven in installation, and the lightning protection net can deform or shift due to uneven stress, so that the lightning protection effect is affected.

Disclosure of utility model

Aiming at the problems, the utility model aims to provide an open-air alkali stone mine lightning protection system to solve the problem that the existing lightning protection net support cannot be adjusted according to the terrain condition so as to be difficult to maintain the installation flatness.

The utility model is realized in the following way:

The lightning protection system for the open-air alkali stone mine comprises a lightning rod and a lightning protection net, wherein the lightning rod is close to equipment, the lightning protection net is erected above the equipment or a building through a bracket, the bracket comprises a bottom plate, a supporting sleeve is rotatably arranged above the bottom plate, a supporting column is slidably connected in the supporting sleeve, and a clamping assembly for clamping a lightning conductor is connected to the outer side of the supporting column.

Further, a first supporting lug is fixedly arranged at the top of the bottom plate and is rotationally connected with the lower part of the supporting sleeve through a first rotating shaft.

Further, the bottom plate top still is equipped with the second journal stirrup, is equipped with the third journal stirrup on the support cover, connects through adjusting part between first journal stirrup and the second journal stirrup.

Further, the adjusting component comprises a first screw rod and a second screw rod which are opposite in rotation direction, one end of the first screw rod is rotationally connected with the second support lug through a second rotating shaft, one end of the second screw rod is rotationally connected with the third support lug through a third rotating shaft, and the other end of the first screw rod is connected with the other end of the second screw rod through a positive and negative screw rod buckling sleeve.

Further, a through hole is formed in the middle of the front and back buckling screw rod sleeve, and the through hole penetrates through the front and back buckling screw rod sleeve in the radial direction.

Further, the number of the clamping assemblies is two, and the two clamping assemblies are respectively located at two sides of the support column and are vertically arranged.

Further, the clamping assembly comprises a cross brace and a first clamping block, one side of the cross brace is fixedly connected with the support column, a sliding sleeve is sleeved on the other side of the cross brace in a sliding mode, one end of the first clamping block is fixedly connected with the sliding sleeve, and the other end of the first clamping block is slidably connected with a second clamping block.

Further, the other end fixedly connected with two third lead screws of first grip block, second grip block slip cap establish in the outside of two third lead screws, the outside of every third lead screw all threaded connection has a nut, the outside looks butt of nut and second grip block.

Further, V-shaped notches are formed in the opposite side surfaces of the first clamping block and the second clamping block, and the two V-shaped notches enclose an accommodating space for the lightning conductor to pass through.

Further, the support sleeve is connected with a screw in a threaded manner, and one end of the screw is abutted against the support column.

The beneficial effects of the utility model are as follows:

According to the open-air alkali stone mine lightning protection system, the forward and reverse buckling screw rod sleeves in the adjusting assembly drive the first screw rod and the second screw rod to rotate until the supporting sleeves and the supporting columns are in a vertical state, the supporting columns slide in the supporting sleeves to adjust the heights of the supporting sleeves, the tops of the supporting sleeves are level, the installation flatness of the lightning protection net is ensured, and the stability of the lightning protection net is further improved. The size of the accommodating space is adjusted by adjusting the relative position between the first clamping block and the second clamping block in the clamping assembly, so that lightning wires with different diameters are clamped, and the universality and the adaptability of the bracket are improved.

Drawings

FIG. 1 is a schematic perspective view of a bracket according to the present utility model;

FIG. 2 is a front view of the floor of the present utility model in a horizontal position;

Fig. 3 is a front view of the base plate of the present utility model in an inclined state.

Reference numerals illustrate:

1. the device comprises a bottom plate, 11 parts of first lugs, 12 parts of first rotating shafts, 13 parts of second lugs, 2 parts of supporting sleeves, 21 parts of third lugs, 22 parts of screws, 3 parts of supporting columns, 4 parts of clamping components, 41 parts of cross braces, 42 parts of first clamping blocks, 43 parts of sliding sleeves, 44 parts of second clamping blocks, 45 parts of third screws, 46 parts of nuts, 47 parts of accommodating spaces, 5 parts of adjusting components, 51 parts of first screws, 52 parts of second screws, 53 parts of second rotating shafts, 54 parts of third rotating shafts and 55 parts of positive and negative screw sleeves.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

The utility model discloses an open-air alkali stone mine lightning protection system as shown in fig. 1-3, which comprises a lightning rod (not shown in the figure) and a lightning protection net, wherein the lightning rod is arranged close to equipment, the lightning protection net is erected above the equipment or a building through a bracket, the bracket comprises a bottom plate 1, a supporting sleeve 2 is rotatably arranged above the bottom plate 1, a supporting column 3 is connected in the supporting sleeve 2 in a sliding manner, and a clamping component 4 for clamping a lightning conductor is connected to the outer side of the supporting column 3.

In this embodiment, the lightning rod is disposed close to the equipment, specifically, the electric shovel, the electric backhoe, the down-the-hole drill, the electric mine car and the like are extremely susceptible to attack by lightning, and an independent lightning rod can be disposed nearby the lightning rod, or one lightning rod can be disposed around several pieces of equipment, which is not limited herein, and can be disposed according to requirements.

The lightning protection net is erected above important equipment or a building through a bracket, the bracket comprises a bottom plate 1, a connecting hole is formed in the bottom plate 1 and used for penetrating through connecting pieces such as foundation bolts or expansion bolts, the bottom plate 1 is fastened and connected with the ground or the building roof, and the connection between the bottom plate 1 and the ground or the building roof belongs to the prior art and is not repeated here.

As shown in fig. 1, a first support lug 11 is fixedly arranged at the top of the bottom plate 1, and the first support lug 11 is rotatably connected with the lower part of the support sleeve 2 through a first rotating shaft 12. The first rotating shaft 12 is horizontally arranged, penetrates through the first supporting lug 11 and is fixedly connected with the first supporting lug, meanwhile, the first rotating shaft 12 penetrates through the lower portion of the supporting sleeve 2, and the supporting sleeve 2 is rotatably connected with the first rotating shaft 12. The top of the bottom plate 1 is also provided with a second supporting lug 13, the supporting sleeve 2 is provided with a third supporting lug 21, and the first supporting lug 11 is connected with the second supporting lug 13 through the adjusting component 5. The adjusting component 5 comprises a first screw rod 51 and a second screw rod 52 which are opposite in rotation direction, one end of the first screw rod 51 is rotationally connected with the second support lug 13 through a second rotating shaft 53, one end of the second screw rod 52 is rotationally connected with the third support lug 21 through a third rotating shaft 54, and the other end of the first screw rod 51 is connected with the other end of the second screw rod 52 through a positive and negative screw rod buckling sleeve 55. The inner wall of the front and back buckling screw rod sleeve 55 is provided with two screw thread sections with opposite rotation directions, and the two screw thread sections are respectively and correspondingly arranged with the rotation directions of the first screw rod 51 and the second screw rod 52 at the corresponding sides so as to be respectively in threaded connection with the screw thread sections. A through hole (not shown) is provided in the middle of the forward and reverse buckling screw sleeve 55, and the through hole penetrates through the forward and reverse buckling screw sleeve 55 in the radial direction. So set up, when the mine topography is complicated and ground is in the slope, namely when bottom plate 1 is in the slope as shown in fig. 3, in order to make support column 3 and support cover 2 all be in vertical state, insert the member that arbitrary accords with the specification of field use in the through-hole of positive and negative knot screw rod cover 55, rotate positive and negative knot screw rod cover 55, when making first lead screw 51, second lead screw 52 be close to or keep away from the removal in step, drive support column 3 and support cover 2 along the axial rotation of first pivot 12, until support column 3 and support cover 2 present vertical state, and then ensure that each support column 3 and support cover 2 that are in different topography states all can keep vertical state, ensure the uniformity of support installation.

The support sleeve 2 is slidably connected with a support column 3, and in this embodiment, the support column 3 is disposed in the support sleeve 2 in a penetrating manner and can reciprocate along the length direction thereof. Wherein, the support sleeve 2 is connected with two screw rods 22 in a threaded manner, and the two screw rods 22 are symmetrically arranged on two opposite side surfaces of the support sleeve 2. One end of each screw 22 is abutted against the support column 3, that is, one end of each screw 22, which is close to the support column 3, is respectively abutted against the outer side wall of the support column 3 on the corresponding side. When one end of the screw 22 is abutted against the side wall of the support column 3, the support column 3 and the support sleeve 2 are in a locking state and cannot slide. When one end of the screw 22 is no longer abutted against the side wall of the support column 3, the support column 3 can slide up and down in the support sleeve 2, so that the top level of each support column 3 keeps consistent.

The outside of support column 3 is connected with the clamping component 4 that is used for the centre gripping lightning conductor, and the quantity of clamping component 4 is two, and two clamping components 4 are located the both sides of support column 3 respectively and set up perpendicularly. The two clamping assemblies 4 are mutually perpendicular to clamp the lightning conductor in two directions in the lightning protection network respectively. Of course, if the lightning conductor in the lightning protection net is only in one direction, the clamping assembly 4 in the other direction can be detached, and the lightning protection net can be specifically set according to actual needs.

The clamping assembly 4 comprises a cross brace 41 and a first clamping block 42, one side of the cross brace 41 is fixedly connected with the support column 3, a sliding sleeve 43 is sleeved on the other side of the cross brace, the sliding sleeve 43 is of a C-shaped structure, and the sliding sleeve is sleeved on the outer side of the cross brace 41. The top wall of the sliding sleeve 43 is connected with a screw rod 22 in a threaded manner, and one end of the screw rod 22 is abutted or separated with the cross brace 41. When the screw 22 is rotated, one end of the screw 22 abuts against the cross brace 41, the sliding sleeve 43 cannot slide on the cross brace 41, and at this time, the sliding sleeve 43 and the cross brace 41 are in a fastened connection state, and when the one end of the screw 22 is separated from the cross brace 41, the sliding sleeve 43 can slide on the cross brace 41, and the sliding sleeve 43 can be detached from the cross brace 41. One end of the first clamping block 42 is fixedly connected with the sliding sleeve 43, and the other end is slidably connected with the second clamping block 44. The other end of the first clamping block 42 is fixedly connected with two third screw rods 45, and the second clamping block 44 is of a U-shaped structure and is sleeved on the outer side of the first clamping block 42. The two third screw rods 45 are positioned in the U-shaped cavity of the second clamping block 44, namely the second clamping block 44 is sleeved on the outer sides of the two third screw rods 45 in a sliding way. The outer side of each third screw rod 45 is in threaded connection with a nut 46, and the two nuts 46 are abutted against the outer sides of the second clamping blocks 44. In the present embodiment, a side of the second clamping block 44 adjacent to the first clamping block 42 is defined as an inner side, and a side disposed opposite to the inner side is defined as an outer side. V-shaped notches are formed in the opposite side surfaces of the first clamping block 42 and the second clamping block 44, and the two V-shaped notches enclose an accommodating space 47 for a lightning conductor to pass through. The second clamping block 44 is slidably connected with the first clamping block 42, and the distance between the second clamping block 44 and the first clamping block is adjusted, so that the size of the accommodating space 47 is adjusted, the passing of lightning wires with various diameters is further adapted, the lightning wires with different types are clamped, and the universality and the adaptability of the clamping assembly 4 are improved.

When the open-air alkali stone mine lightning protection system is used, a base plate 1 is fastened and connected with a ground prefabricated foundation through connecting pieces such as foundation bolts or expansion bolts, a forward and reverse buckling screw rod sleeve 55 is rotated, the forward and reverse buckling screw rod sleeve 55 drives a first screw rod 51 and a second screw rod 52 to move close to or far away from each other, the first screw rod 51 and the second screw rod 52 drive a support column 3 to rotate along the axial direction of a first rotating shaft 12 until the support column 3 and a support sleeve 2 rotate to a vertical state, then each screw rod 22 on the support sleeve 2 is rotated to enable the end face of each screw rod 22 to be not abutted with the side wall of the support column 3, the support column 3 can slide in the support sleeve 2, the position of the support column 3 is adjusted to enable the height of each screw rod to meet installation requirements, then each screw rod 22 on the support sleeve 2 is reversely rotated again to enable the end face of each screw rod 22 to be abutted with the side wall of the support column 3 again, the support column 3 and the support sleeve 2 are in a tightly fixed state, the screw rods 22 on the outer side of a second clamping block 44 are loosened, a lightning wire penetrates through an accommodating space 47 formed by the first clamping block 42 and the second clamping block 44, and then the screw rods 22 are reversely rotated to drive the screw rods 22 to move along the direction of the clamping block 42 to be matched with the clamping direction of the first clamping block 44.

While the utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit of the utility model, and it is intended to cover the utility model as defined in the appended claims.

Claims

1. The utility model provides an open-air alkali stone mine lightning protection system, its characterized in that, includes lightning rod and lightning protection net, the lightning rod is close to equipment setting, the lightning protection net erects in the top of equipment or building through the support, the support includes bottom plate (1), bottom plate (1) top rotates and is provided with support sleeve (2), sliding connection has support column (3) in support sleeve (2), the outside of support column (3) is connected with clamping assembly (4) that are used for the centre gripping lightning conductor.

2. The open-pit alkali mine lightning protection system according to claim 1, wherein a first supporting lug (11) is fixedly arranged at the top of the bottom plate (1), and the first supporting lug (11) is rotatably connected with the lower part of the supporting sleeve (2) through a first rotating shaft (12).

3. The open-air alkali mine lightning protection system according to claim 2, wherein the top of the bottom plate (1) is further provided with a second support lug (13), the support sleeve (2) is provided with a third support lug (21), and the first support lug (11) and the second support lug (13) are connected through an adjusting component (5).

4. A system for lightning protection in open-air alkali mine according to claim 3, wherein the adjusting component (5) comprises a first screw rod (51) and a second screw rod (52) which are opposite in rotation direction, one end of the first screw rod (51) is rotatably connected with the second support lug (13) through a second rotating shaft (53), one end of the second screw rod (52) is rotatably connected with the third support lug (21) through a third rotating shaft (54), and the other end of the first screw rod (51) is connected with the other end of the second screw rod (52) through a positive and negative buckling screw rod sleeve (55).

5. The open-pit alkali mine lightning protection system according to claim 4, wherein a through hole is formed in the middle of the front and back buckling screw rod sleeve (55), and the through hole penetrates through the front and back buckling screw rod sleeve (55) along the radial direction.

6. Open-pit alkali mine lightning protection system according to claim 1, characterized in that the number of clamping assemblies (4) is two, two clamping assemblies (4) are respectively located on two sides of the support column (3) and are vertically arranged.

7. The open-pit alkali mine lightning protection system according to claim 6, wherein the clamping assembly (4) comprises a cross brace (41) and a first clamping block (42), one side of the cross brace (41) is fixedly connected with the support column (3), the other side of the cross brace is slidably sleeved with a sliding sleeve (43), one end of the first clamping block (42) is fixedly connected with the sliding sleeve (43), and the other end of the first clamping block is slidably connected with a second clamping block (44).

8. The open-pit alkali mine lightning protection system according to claim 7, wherein two third screw rods (45) are fixedly connected to the other end of the first clamping block (42), the second clamping block (44) is slidably sleeved on the outer sides of the two third screw rods (45), a nut (46) is connected to the outer side of each third screw rod (45) in a threaded mode, and the nut (46) is abutted to the outer side of the second clamping block (44).

9. The open-pit alkali mine lightning protection system according to claim 7, wherein V-shaped notches are formed on opposite side surfaces of the first clamping block (42) and the second clamping block (44), and two V-shaped notches enclose an accommodating space (47) for a lightning conductor to pass through.

10. The open-pit alkali mine lightning protection system according to claim 1, wherein the support sleeve (2) is connected with a screw rod (22) in a threaded manner, and one end of the screw rod (22) is abutted against the support column (3).