CN219366081U

CN219366081U - Mining single prop prevents down hard connecting device

Info

Publication number: CN219366081U
Application number: CN202320687840.4U
Authority: CN
Inventors: 陈源源; 王立明
Original assignee: Gansu Wansheng Mining Co ltd
Current assignee: Gansu Wansheng Mining Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-18
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a mining single prop anti-falling hard connecting device which comprises a single prop and a clamping assembly, wherein the clamping assembly is arranged on the single prop; the clamping assembly comprises a first clamping piece, a second clamping piece and a third clamping piece, wherein a third clamping piece connecting hole is formed in the second clamping piece; the first clamping piece is formed by butt joint of two semicircular hoops, threaded connection holes are formed in two ends of each semicircular hoop, the two semicircular hoops are fixed through a locking screw rod and a locking nut to form the first clamping piece, and the first clamping piece is arranged on the single prop; the second clamping piece is welded on the first clamping piece, and the third clamping piece is fixed on the second clamping piece through the third clamping piece connecting hole. The utility model is used for the mining single hydraulic prop, avoids accidents of prop falling and hurting people due to pressure relief, has simple operation, improves efficiency, has lower requirement on the use environment condition, can be repeatedly used, and is safe and reliable in anti-falling and anti-skid.

Description

Mining single prop prevents down hard connecting device

Technical Field

The utility model relates to the technical field of mining equipment, in particular to a mining single prop anti-tilting hard connection device.

Background

In order to better realize the economic benefit of coal mine construction and ensure the life safety of construction workers, the single hydraulic prop is widely and widely applied to underground tunneling anchor net spraying tunnel of the coal mine, and roof accidents of the coal mine are effectively restrained. The geological condition of a certain coal mine well of the company is complex, the coal mine well belongs to three soft coal beds, the roof lithology is carbonaceous mudstone, and the coal mine well belongs to a typical soft rock roadway composite roof. The advanced pressure of the fully mechanized mining face of the mine 1307 is concentrated, the crossheading is seriously deformed, and in order to avoid the occurrence of roof accidents, hydraulic single prop supports are used for supporting two ends of the working face of the mine 1307 and the advanced support. Because 1307 working face advance support is when not interconnect, the power source that receives only is given by roof and bottom plate, and roof and bottom plate give its unidirectional force can only receive in single vertical direction this just easily produce the unbalanced stress, and the unbalanced standing of stand can lose the balance and produce the stand and fall thereby can produce very big potential safety hazard to the working face personnel of passing by with the dynamics of roof and bottom plate giving the stand under the effect of earth stress. The hydraulic single prop is used for the two ends of the coal face and the advanced support, the falling prevention measures are all to be adopted to tie the safety rope, and the falling prevention is realized by adopting the safety rope, so that the operation is simple, but the falling prevention effect is poor, and after the pressure release of the underground single prop, the single prop is inclined, the falling of the single prop is caused, and the like.

In view of the above, a device must be designed to not only strengthen the standing stability of the upright, but also ensure the supporting effect of the upright on the top and bottom plates. The design of the upright post fall-preventing device solves the problems.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a mining single prop anti-falling hard connecting device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a mining single prop anti-falling hard connecting device which comprises a single prop and a clamping assembly, wherein the clamping assembly is arranged on the single prop; the clamping assembly comprises a first clamping piece, a second clamping piece and a third clamping piece, wherein a third clamping piece connecting hole is formed in the second clamping piece; the first clamping piece is formed by butt joint of two semicircular hoops, threaded connection holes are formed in two ends of each semicircular hoop, the two semicircular hoops are fixed through a locking screw rod and a locking nut to form the first clamping piece, and the first clamping piece is arranged on the single prop; the second clamping piece is welded on the first clamping piece, and the third clamping piece is fixed on the second clamping piece through the third clamping piece connecting hole.

Further, the second clamping piece is an anchor cable clip.

Further, a steel strand crossing hole is formed in the middle of the second clamping piece, the anchor cable steel strand penetrates through the second clamping piece and is fastened through the third clamping piece, and then all the single struts are connected in pairs to form a stronger supporting force.

Further, the third clamping piece is a U-shaped clamping piece.

Further, threads are arranged on the lower half section of the straight shaft part of the U-shaped clamping piece.

Based on the technical scheme, the embodiment of the utility model at least has the following technical effects:

(1) The mining single prop anti-tilting hard connecting device is used for the mining single hydraulic prop, avoids accidents of prop tilting injury due to pressure relief, is simple to operate, improves efficiency, has low requirements on use environment conditions, can be reused, and is anti-tilting, anti-skidding and safe and reliable.

(2) After the mining single prop anti-falling hard connecting device is put into use, the anti-falling effect of the hydraulic single prop is obviously improved, the anti-falling and anti-skid effects are better achieved, each single prop is connected together, a stronger supporting force is formed, the safety coefficient of hydraulic single prop supporting of a working face is improved, and the safety standardization level of the working face is also improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a plan view of an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of a single strut according to an embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of a first clamping member and a second clamping member according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a structure of a clamping assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a third clamping member according to an embodiment of the present utility model;

in the above figures, the reference numerals correspond to the component names as follows:

1. a single prop; 2. a first clamping piece; 3. a second clamping piece; 4. a third clamping piece; 5. and the third clamping piece is provided with a connecting hole.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and technical features in the embodiments may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present application and should not be construed as undue limitation to the present application.

For the purposes, technical solutions and advantages of the embodiments of the present application to be more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.

In the present embodiments, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In the embodiments herein, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral body; can be directly connected or indirectly connected through an intermediate medium.

In the present embodiments, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The technical scheme of the utility model is described in detail below with reference to the specific drawings.

As shown in fig. 1-3, the mining single prop anti-falling hard connection device comprises a single prop 1 and a clamping assembly, wherein the clamping assembly is arranged on the single prop 1; the clamping assembly comprises a first clamping piece 2, a second clamping piece 3 and a third clamping piece 4, wherein a third clamping piece connecting hole 5 is formed in the second clamping piece 3; the first clamping piece 2 is formed by butt joint of two semicircular hoops, threaded connection holes are formed in two ends of each semicircular hoop, the two semicircular hoops are fixed through a locking screw rod and a locking nut to form the first clamping piece 2, and the first clamping piece 2 is arranged on the single prop 1; the second clamping piece 3 is welded on the first clamping piece 2, and the third clamping piece 4 is fixed on the second clamping piece 3 through a third clamping piece connecting hole 5.

As shown in fig. 4, the second clamping member 3 is an anchor cable clip.

As shown in fig. 5, the second clamping member 3 is provided with a steel strand crossing hole in the middle, each group of anti-falling devices is composed of an anchor cable steel strand and the first clamping member 2, the anchor cable steel strand passes through the second clamping member 3 and is fastened by the third clamping member 4, and then all the single struts are connected in pairs to form a stronger supporting force.

As shown in fig. 6, the third clamping member 4 is a U-shaped clamping member, and a thread is disposed on a lower half section of the straight shaft portion of the U-shaped clamping member.

In a specific embodiment, according to the standard and the supporting form of a common single prop of a mine, two first clamping pieces of 115mm and 125mm are adopted, the length of a connecting anchor cable is 1.2m, and the connecting anchor cable can be randomly adjusted from 0.8m to 1.0m and is selected according to requirements.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The mining single prop anti-falling hard connecting device is characterized by comprising a single prop (1) and a clamping assembly, wherein the clamping assembly is arranged on the single prop (1); the clamping assembly comprises a first clamping piece (2), a second clamping piece (3) and a third clamping piece (4), wherein a third clamping piece connecting hole (5) is formed in the second clamping piece (3); the first clamping piece (2) is formed by butt joint of two semicircular hoops, threaded connection holes are formed in two ends of each semicircular hoop, the two semicircular hoops are fixed through a locking screw rod and a locking nut to form the first clamping piece (2), and the first clamping piece (2) is arranged on the single prop (1); the second clamping piece (3) is welded on the first clamping piece (2), and the third clamping piece (4) is fixed on the second clamping piece (3) through a third clamping piece connecting hole (5).

2. The mining single prop fall-prevention hard-connection device according to claim 1, wherein: the second clamping piece (3) is an anchor cable clip.

3. The mining single prop fall-prevention hard-connection device according to claim 2, wherein: the steel strand crossing holes are formed in the middle of the second clamping piece (3), the second clamping piece (3) is penetrated by the anchor cable steel strand, and the second clamping piece is fastened by the third clamping piece (4), and then all the single struts are connected in pairs to form a stronger supporting force.

4. A mining single prop fall-prevention hard-joint device according to claim 3, characterized in that: the third clamping piece (4) is a U-shaped clamping piece.

5. The mining single prop fall-prevention hard-connection device according to claim 4, wherein: the lower half section of the U-shaped clamping piece straight shaft part is provided with threads.