CN219347741U

CN219347741U - Slope meter for mine tunnel

Info

Publication number: CN219347741U
Application number: CN202320248111.9U
Authority: CN
Inventors: 贾京飞; 王松; 牛晓韩
Original assignee: Shaanxi Coal Mining Hancheng Mining Co Ltd
Current assignee: Shaanxi Coal Mining Hancheng Mining Co Ltd
Priority date: 2023-02-19
Filing date: 2023-02-19
Publication date: 2023-07-14
Anticipated expiration: 2033-02-19

Abstract

The utility model discloses a gradiometer for a mine tunnel, which belongs to the technical field of mine tunnel gradient measurement equipment, in particular relates to a gradiometer for a mine tunnel, and solves the technical problems of time and labor waste and larger error in the existing process of determining a tunnel waist line through a manual stay wire, and the gradiometer comprises a fixing rod which is vertically arranged, and is characterized in that: the upper end of the fixed rod is arranged on an anchor rod at the bottom of a transverse top plate at the top in a roadway through a threaded sleeve; the utility model discloses a roadway gradient, including dead lever, fixed lever, adjusting nut, fixed lever lower extreme, fixed lever bottom both ends all are fixed with horizontally installation pole, every through vertical installation pipe be fixed with horizontally adjusting nut, every all vertically be equipped with threaded connection's threaded rod in the adjusting nut, every the equal cover of threaded rod lower extreme is equipped with rotatable smooth silk nut, two transversely be equipped with same wire rope between the smooth silk nut, hang through two fixed pipes on the wire rope and have the scale plate, the scale plate is used for determining the roadway gradient.

Description

Slope meter for mine tunnel

Technical Field

The utility model belongs to the technical field of mine roadway gradient measurement equipment, and particularly relates to a slope meter for a mine roadway.

Background

The mine tunnel gradiometer is one of the main tools for measuring tunnel gradient and vertical angle, and is generally used for determining tunnel waistline according to the design gradient of the tunnel, wherein the tunnel waistline is a datum line for reflecting the normal vertical height of the tunnel during tunnel construction.

At present, the central line of a roadway is determined through a laser direction indicator, and then the waist line point of the roadway is determined through a manual stay wire mode, so that time and labor are wasted in the process of determining the waist line of the roadway, and the manual stay wire error is large, so that the roadway construction is not accurate enough, and unnecessary economic loss is caused.

Disclosure of Invention

The utility model aims to provide a gradiometer for a mine roadway, which solves the technical problems of time and labor waste and larger error in the process of determining the roadway waistline by manually pulling a line.

The utility model adopts the following technical scheme: the gradiometer for the mine tunnel comprises a fixing rod which is vertically arranged, wherein the upper end of the fixing rod is arranged on an anchor rod at the bottom of a transverse top plate at the top of the tunnel through a threaded sleeve;

the utility model discloses a roadway gradient, including dead lever, fixed lever, adjusting nut, fixed lever lower extreme, fixed lever bottom both ends all are fixed with horizontally installation pole, every through vertical installation pipe be fixed with horizontally adjusting nut, every all vertically be equipped with threaded connection's threaded rod in the adjusting nut, every the equal cover of threaded rod lower extreme is equipped with rotatable smooth silk nut, two transversely be equipped with same wire rope between the smooth silk nut, hang through two fixed pipes on the wire rope and have the scale plate, the scale plate is used for determining the roadway gradient.

Further, the scale plate is of a semicircular structure, and the transverse end of the semicircular structure is fixedly connected with the fixed pipe;

a pointer in rotary connection is vertically and downwards arranged at the center of the circle of the front side wall of the semicircular structure;

the circumference of the front side wall of the scale plate is provided with scale marks, the scale marks 0 are positioned in the middle of the scale marks, and the included angle between the pointer and the scale marks 0 is the roadway gradient.

Further, a laser direction indicator is arranged at the center of the transverse end of the semicircular structure, the laser beam direction of the laser direction indicator is transverse left or transverse right, and the laser direction indicator is used for pointing to the central line of a roadway.

Furthermore, a hook is fixed on the front side of each sliding wire nut, and the hooks are used for fixing the steel wire ropes.

The beneficial effects of the utility model are as follows: the scale plate is enabled to rotate and incline through rotating the threaded rod, the pointer is always in a vertical state, in the process of rotating and inclining the scale plate, when the included angle between the pointer and the scale mark of 0' of the scale plate is just the design gradient of a given roadway, the point of the laser beam of the laser direction indicator in the roadway is a waist line point of the roadway, the requirements for controlling the gradient of the roadway and the height of the roadway during underground tunneling can be met, the roadway is guaranteed to be constructed according to the design, underground facilities, people, vehicles and drainage can be accurately installed and operated after the roadway is formed, and the laser direction indicator can be installed rapidly to achieve the purpose of accurate construction.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

fig. 2 is an enlarged view at a in fig. 1.

Wherein: 1. a top plate; 2. a bolt; 3. a threaded sleeve; 4. a fixed rod; 5. a mounting rod; 6. roadway; 7. an adjusting nut; 8. a threaded rod; 9. a wire rope; 10. a hook; 11. a fixed tube; 12. a scale plate; 13. a laser director; 14. a pointer; 15. and (5) sliding the screw nut.

Detailed Description

Referring to fig. 1 to 2, a gradiometer for mine roadways comprises a fixing rod 4 which is vertically arranged, wherein the upper end of the fixing rod 4 is arranged on an anchor rod 2 at the bottom of a transverse top plate 1 at the top part in a roadway 6 through a threaded sleeve 3, when the threaded sleeve 3 is rotated, the threaded sleeve 3 is screwed upwards to drive the fixing rod 4 to be screwed upwards, and the gradiometer is used for controlling the height of the roadway 6 according to design requirements so as to meet the requirements of underground ventilation, transportation and safe production;

the dead lever 4 lower extreme is fixed with horizontally installing pole 5, installing pole 5 bottom both ends all are fixed with horizontally adjusting nut 7 through vertical installation pipe, all vertically be equipped with threaded connection's threaded rod 8 in every adjusting nut 7, every threaded rod 8 lower extreme all overlaps and is equipped with rotatable smooth silk nut 15, transversely be equipped with same wire rope 9 between two smooth silk nuts 15, the last hoist and mount of wire rope 9 have scale plate 12 through two fixed pipes 11, scale plate 12 is used for confirming tunnel 6 slope, rotate threaded rod 8, threaded rod 8 rotates and drives smooth silk nut 15 and slides, smooth silk nut 15 gliding in-process scale plate 12 takes place to rotate.

The scale plate 12 is of a semicircular structure, and the transverse end of the semicircular structure is fixedly connected with the fixed pipe 11;

the center position of the front side wall of the semicircular structure is vertically and downwards provided with a pointer 14 which is rotationally connected;

the circumference of the front side wall of the scale plate 12 is provided with scale marks, the scale mark of 0 is positioned in the middle of the scale marks, and the included angle between the pointer 14 and the scale mark of 0 is the gradient of the roadway 6.

The laser direction indicator 13 is arranged at the center of the transverse end of the semicircular structure, the laser beam direction of the laser direction indicator 13 is transverse left or transverse right, the laser direction indicator 13 is used for pointing to the central line of the roadway 6, the laser direction indicator 13 and the scale plate 12 synchronously rotate in the process of rotating and inclining the scale plate 12, the pointer 14 is always in a vertical state in the process of rotating the scale plate 12, the included angle between the pointer 14 and the scale line of 0 of the scale plate 12 is the inclined angle of the roadway 6, when the included angle between the pointer 14 and the scale line of 0 of the scale plate 12 is the given design gradient of the roadway 6, the point of the laser beam of the laser direction indicator 13 in the roadway 6 is the waist line point of the roadway 6 at the moment, and the point of the laser beam is used for ensuring that the roadway 6 is constructed according to design, so that the roadway 6 can be accurately installed and operated after underground facilities, people, vehicles and drainage are formed in the roadway 6.

Each sliding wire nut 15 is fixed with a hook 10 on the front side, the hooks 10 are used for fixing the steel wire rope 9, two ends of the steel wire rope 9 are respectively wound on the two hooks 10, and the two hooks are used for rapidly installing the scale plate 12 and the laser direction indicator 13.

The working principle of the utility model is as follows: firstly, through rotating threaded sleeve 3, install dead lever 4 on the stock 2 of the horizontal roof 1 bottom in tunnel 6 top, twine scale plate 12 and laser direction appearance 13 through wire rope 9 and fix on two couples 10, open laser direction appearance 13, laser direction appearance 13 has laser beam to send, rotate two threaded rods 8 as required, threaded rod 8 rotates through driving scale plate 12 rotation slope with adjusting nut 7 spiro union, when the contained angle between pointer 14 and scale plate 12"0" scale mark is the design slope of given tunnel 6, the laser beam of laser direction appearance 13 beats the waist line point of tunnel 6 this moment at the point in tunnel 6.

According to the utility model, the scale plate 12 is rotated and inclined by rotating the threaded rod 8, the pointer 14 is always in a vertical state, and in the process of rotating and inclining the scale plate 12, when the included angle between the pointer 14 and the scale mark of 0 scale plate 12 is just the designed gradient of the given roadway 6, the point of the laser beam of the laser direction instrument 13 in the roadway 6 is the waist line point of the roadway 6, so that the requirements of controlling the gradient of the roadway 6 and the height of the roadway 6 in the underground tunneling period can be met, the roadway 6 can be constructed according to the design, and the underground facilities, people, vehicles and drainage can be accurately installed and operated after the roadway 6 is formed, and the installation can be fast realized, so that the purpose of accurate construction can be achieved.

Claims

1. The gradiometer for the mine tunnel is characterized by comprising a fixing rod (4) which is vertically arranged, wherein the upper end of the fixing rod (4) is arranged on an anchor rod (2) at the bottom of a transverse top plate (1) at the top in a tunnel (6) through a threaded sleeve (3);

the utility model discloses a roadway gradient, including dead lever (4), installation pole (5), steel wire rope (9), adjusting nut (7), threaded rod (15) and scale plate (12) are all vertically equipped with in adjusting nut (7), every all cover is equipped with rotatable smooth silk nut (15) in dead lever (4) lower extreme, two transversely be equipped with same steel wire rope (9) between smooth silk nut (15), hoist and mount through two fixed pipe (11) on steel wire rope (9) have scale plate (12), scale plate (12) are used for determining the roadway gradient.

2. The gradiometer for mine roadways as claimed in claim 1, characterized in that the scale plate (12) has a semicircular structure, the transverse end of which is fixedly connected with the fixing tube (11);

a pointer (14) which is in rotary connection is vertically and downwards arranged at the center of the circle of the front side wall of the semicircular structure;

the circumference of the front side wall of the scale plate (12) is provided with scale marks, the scale marks 0 are positioned in the middle of the scale marks, and the included angle between the pointer (14) and the scale marks 0 is the roadway gradient.

3. A gradiometer for mine roadways as claimed in claim 2, characterized in that a laser direction indicator (13) is mounted at the central position of the transverse end of the semicircular structure, the laser beam direction of the laser direction indicator (13) is transverse left or transverse right, and the laser direction indicator (13) is used for pointing to the central line of the roadway (6).

4. A gradiometer for mine use according to claim 1, wherein a hook (10) is fixed to the front side of each slip nut (15), the hook (10) being arranged to fix the wire rope (9).