CN218822397U

CN218822397U - Wire point marking device suitable for underground coal mine

Info

Publication number: CN218822397U
Application number: CN202223077913.2U
Authority: CN
Inventors: 赵文超; 郭重托; 魏天乐; 王雪宁; 陈国彪; 钱义楠; 张建英; 苏新会; 董强; 孙建贞; 吐热勒别克·别克奴尔江; 丁吉祥; 杜帅力; 姚峰; 赵卫会; 张龙龙
Original assignee: Ili Yongning Coal Chemical Co ltd
Current assignee: Ili Yongning Coal Chemical Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-07
Anticipated expiration: 2032-11-21

Abstract

The application discloses wire point mark device suitable for colliery is in pit hangs the arm through the steel ruler, consumes the manpower among the solution prior art and measuring accuracy receives the problem that human factor influences big, the operation of ascending a height has the potential safety hazard. The device mainly comprises a connecting seat in threaded connection with a roadway anchor rod, a steel ruler hanging arm arranged at a corresponding position on the outer side wall of the connecting seat, and a wire tying column arranged at the other end of the steel ruler hanging arm; the steel ruler hanging arm is provided with a threading hole for the plumb line to penetrate through, and the axis of the threading hole is parallel to the axis of the thread of the connecting seat. The device has the advantages of simple and convenient installation and use, labor saving, high measuring efficiency and safety and the like.

Description

Wire point marking device suitable for underground coal mine

Technical Field

The application relates to the technical field of underground equipment, in particular to a wire point marking device suitable for underground coal mine.

Background

The main purpose of downhole wire measurement is to establish a coordinate system of a downhole space, wherein broken lines formed by connecting adjacent control points in a measurement area into straight lines are called wires, the control points are called wire points, the wire measurement is to sequentially measure the length of each wire side and each turning angle value, and calculate the coordinate azimuth angle of each side according to the calculation data, thereby calculating the coordinates of each wire point. The coordinates of each control point obtained by wire measurement are used as the basis for surveying, mapping and calibrating underground tunnels, chambers, stope working faces and the like, and reliable data are provided for underground production.

The underground wire points of the coal mine are usually arranged on a roadway top plate, when surveying and mapping operation is carried out on unknown wire points, a measuring instrument or a prism needs to be arranged under the known wire points by means of coordinate information of the known wire points, the instrument is centered by a perpendicular line with a plumb member arranged on the wire points, the perpendicular distance between the wire points and the center of the measuring instrument or the prism is measured, and then the corresponding instrument height or the forward looking height is obtained.

In the prior art, because the underground roadway is high, the height between a lead point and a roadway bottom plate is generally 3.5m-4.5m, and when the instrument height or the forward-looking height is measured, a two-person matched operation mode is generally adopted: one person uses the ladder to go up to the high position and puts one end of the steel ruler to the position of the conducting wire point, and the other person measures the height of the instrument or the height of the front sight and carries out reading. The inventor discovers that the instrument height or the foresight height is measured by adopting the scheme in the actual working process, the measurement operation is time-consuming and labor-consuming, the measurement reading precision depends on the placing position of the steel rule zero point of a high-altitude operator, the influence of human factors is large, and meanwhile, potential safety hazards also exist in the ascending operation of personnel.

The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

In view of at least one among the above technical problem, this disclosure provides a wire point mark device suitable for colliery in pit, hangs the arm through the steel rule, consumes the manpower and measuring accuracy receives the problem that human factor influences big, the operation of ascending a height has the potential safety hazard among the solution prior art.

According to one aspect of the disclosure, a lead point marking device suitable for a coal mine underground is provided, which comprises a connecting seat in threaded connection with a roadway anchor rod, a steel ruler hanging arm arranged at a position corresponding to the outer side wall of the connecting seat, and a wire tying column arranged at the other end of the steel ruler hanging arm;

the steel ruler hanging arm is provided with a threading hole for the plumb line to penetrate through, and the axis of the threading hole is parallel to the axis of the thread of the connecting seat.

In some embodiments of the present disclosure, the connection seat is embodied as a bolt cap.

In some embodiments of the present disclosure, the steel rule hanging arm and the connecting seat are perpendicular to each other.

In some embodiments of the present disclosure, the steel rule hanger arm is a sheet-like member that mates with a steel rule end hook.

In some embodiments of the present disclosure, a magnet piece is disposed on the steel ruler hanging arm.

One or more technical solutions provided in the embodiments of the present application have at least any one of the following technical effects or advantages:

1. because this device has set up the steel rule and has hung the arm for constructor need not to ascend a height and holds and set up steel rule zero point, has effectively solved among the prior art artifical measuring error that sets up the uncertainty of chi hook position and has leaded to and the potential safety hazard that ascends a height, can reduce operating personnel and only need alone carry out the measurement while, and accurate spacing to the steel rule hook has been guaranteed to measurement accuracy and degree of accuracy through the steel rule peg.

2. Due to the fact that the connecting seat in threaded connection with the roadway anchor rod correspondingly is adopted, the anchor rod which is deeply buried and stably fixed in the roadway wall is effectively utilized, the processes of punching again and the like when the lead points are arranged are avoided, and the use is convenient.

3. Through setting up the terminal, can solidly be plumb line and this device, play effectual limiting displacement to the plumb line, avoid coming off along with the not hard up and leading to of life cycle plumb line, reduce unnecessary threading once more.

4. Because the hanging arm of the steel ruler is provided with the magnet, the magnet can absorb the steel ruler, the auxiliary effect on the hanging of the steel ruler is achieved, and the rapidity of accurate hanging of the steel ruler is guaranteed.

Drawings

Fig. 1 is a schematic view illustrating a fixing state of a wire point marking device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a wire point marking device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a wire point marking device according to another embodiment of the present application.

In the above figures, 1 is a tunnel top plate, 2 is an anchor rod, 3 is a connecting seat, 4 is a steel ruler hanging arm, 5 is a line tying column, 6 is a threading hole, 7 is a plumb line, and 8 is a magnet.

Detailed Description

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.

The components and the like in the following examples are all conventional commercially available products unless otherwise specified.

For better understanding of the technical solutions of the present application, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.

The example discloses a wire point marking device suitable for underground coal mines, which comprises a connecting seat 3, a steel ruler hanging arm 4 and a wire tying column 5. When the roadway is constructed, in order to prevent safety accidents such as collapse of the roadway and the like, the roadway needs to be supported, wherein anchor rod supports are driven into holes which are drilled in surrounding geologic bodies in advance through self rod bodies, and by utilizing the special structures of the head parts and the rod bodies, roadway surrounding rocks can be effectively combined with surrounding stable geologic bodies by depending on the bonding effect, so that the expansion and shearing dislocation of rock strata are restrained, and the stability of the roadway is ensured. Referring to fig. 1, anchor rod 2 can expose a section of body of rod in tunnel roof surface 1 after the completion of executing, and still need slip casting to fill because the anchor rod inserts the back, and its body of rod and country rock predetermine between the hole for preventing the thick liquid from leaking outward, the supporting grout stop plug that is equipped with of anchor rod, for spacing the position of grout stop plug after the anchor rod slip casting, need twist the nut from the body of rod tip and play the roof pressure effect to grout stop plug, so the body of rod tip is equipped with the screw thread. Consider that the stock is firm fixed in the country rock, and avoid seting up the hole on the tunnel top surface and set up the wire point, the event sets up connecting

seat

3 and 2 tip of stock, and connecting seat 3 is equipped with 2 tip screw thread assorted internal threads of stock, and in this embodiment, the connecting seat adopts the nut. From this, can be equipped with stock department with the wire point, avoid seting up new hole and cause the influence to the stability of tunnel top surface.

In order to facilitate the steel ruler to measure the height or the forward-looking height of the instrument between the lead point distance measuring instrument or the prism and avoid excessive manpower and measuring errors, referring to fig. 2, the side surface of the connecting seat 3 is welded with a steel ruler hanging arm 4, the steel ruler hanging arm 4 is of a sheet structure so as to provide a supporting point of a ruler hook of the steel ruler, and the steel ruler hanging arm 4 is vertical to the connecting seat 3 so as to accurately reflect the height of the lead point and avoid that the zero point of the steel ruler is higher or lower than the position of the actual lead point due to inclination. In other embodiments, referring to fig. 3, in order to facilitate the steel ruler to be accurately and quickly hung on the steel ruler hanging arm 4, the sheet-shaped magnet 8 is placed on the surface of the hanging arm, and the side line of the magnet does not exceed the side line of the steel ruler hanging arm 4, so that the steel ruler hook is prevented from being hung and blocked. When a measurer extends out of the steel ruler to be close to a wire point, the magnetic field generated by the magnet 8 can effectively assist the steel ruler hook to be positioned and hung, so that the steel ruler hook is adsorbed, and the operation is facilitated.

In addition, in order to measure the vertical instrument height or the forward-looking height between the wire point and the measuring instrument or the prism, a plumb line needs to be hung at the wire point, and the measuring instrument or the prism is centered through the plumb line, for this reason, referring to fig. 2, a wire tying column 5 is welded at the other end of a steel ruler hanging arm 4, and a threading hole 6 is drilled at one side of the steel ruler hanging arm 4 close to the wire tying column 5. In addition, because this line body just no longer takes off after the wire point device is installed for the first time, need multiple use, for avoiding using for a long time the upper and lower both ends line of through wires hole causes wearing and tearing to the line body, influence its life, so two circular end line positions department is equipped with the radian transition about the through wires hole.

When the anchor rod is used, engineering cotton threads are fixedly tied on the tying post 5, the engineering cotton threads penetrate through the threading holes, and the connecting seat is fastened on the corresponding anchor rod body, so that installation is completed. When measuring instrument or prism centering is needed, a plumb bob is tied at the end part of the cotton thread, centering operation is carried out, when the measuring instrument is high or the foresight is high, only one person needs to stretch out the steel ruler above the wire point steel ruler hanging arm 4, then the steel ruler is attached to the steel ruler hanging arm and then pulled down until the steel ruler hook is hung on the steel ruler hanging arm 4, reading is carried out, after data reading is finished, the steel ruler is slightly rotated to enable the steel ruler hook to fall off from the steel ruler hanging arm 4, the steel ruler is recovered, and measurement is completed.

Although preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the disclosure.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention of the present application. Thus, it is intended that the present application also include such modifications and variations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A wire point marking device suitable for underground coal mines is characterized by comprising a connecting seat, a steel ruler hanging arm and a wire tying column, wherein the connecting seat is in threaded connection with a roadway anchor rod;

2. The device for marking the conducting wire point in the underground coal mine according to claim 1, wherein the connecting seat is a bolt cap.

3. The device for marking the conducting wire point in the underground coal mine according to claim 1, wherein the steel ruler hanging arm is perpendicular to the connecting seat.

4. The device for marking the wire point in the underground coal mine according to claim 1, wherein the steel ruler hanging arm is a sheet-shaped piece matched with the ruler hook at the end part of the steel ruler.

5. The device for marking the conducting wire points in the coal mine well according to claim 1, wherein the steel ruler hanging arm is provided with a magnet piece.