阅读说明：本技术 一种悬臂式掘进机截割头的安全防护装置 (Safety protection device of boom-type heading machine cutting head ) 是由 王明君 李晓伟 李刚 高军 达国志 邵玉龙 李锐 王双喜 于东升 苏军 王亚军 于 2021-11-04 设计创作，主要内容包括：本发明公开了一种悬臂式掘进机截割头的安全防护装置,涉及煤矿掘进领域,针对背景技术提出的每次防护需至少使用2名作业人员进行人工搬运防护,每次拆卸、安装耗时耗力,劳动强度大,防护作业不简便,工作效率低的问题,现提出以下方案,包括两个滑轨,两个所述滑轨下方设有三个等距离分布的固定底座,两个所述滑轨内均滑动安装有滑动小车,两个所述滑动小车相对一侧外壁上通过螺栓连接有连接板,且连接板顶部外壁上通过螺栓连接有上防护板,所述上防护板两边外壁上均设有侧防护板。本发明能够做到随走随移,防护截割头时仅需1名作业人员便可进行防护安装,使用简单方便,减轻了劳动强度,提高了安全系数和工作效率。(The invention discloses a safety protection device of a cantilever type heading machine cutting head, which relates to the field of coal mine heading, and aims to solve the problems that at least 2 workers are required to carry out manual carrying protection in each protection process proposed by the background technology, time and labor are consumed in each detachment and installation, the labor intensity is high, the protection operation is not simple and convenient, and the working efficiency is low. The invention can move along with walking, can be protected and installed by only 1 worker when protecting the cutting head, is simple and convenient to use, reduces the labor intensity, and improves the safety coefficient and the working efficiency.)

1. A safety protection device of a cutting head of a cantilever type heading machine comprises two slide rails (1), it is characterized in that three C-shaped fixed bases (2) are arranged below the two slide rails (1) at equal intervals, sliding trolleys (3) are arranged in the two slide rails (1) in a sliding manner, the outer walls of the two sliding trolleys (3) at the opposite sides are connected with connecting plates (4) through bolts, and the outer wall of the top of the connecting plate (4) is connected with an upper protective plate (5) through a bolt, the outer walls of two sides of the upper protection plate (5) are respectively provided with a side protection plate (6), the side protection plate (6) comprises a first side protection plate (61) hinged on the outer wall of the top of the upper protection plate (5) and a second side protection plate (62) hinged on the outer wall of the lower part of one side of the first side protection plate (61), go up guard plate (5) top and keep away from on the one end outer wall of unable adjustment base (2) articulated have preceding guard plate (7).

2. The safety protection device for the cutting head of the cantilever type roadheader according to claim 1, characterized in that the two ends of the top of the three fixing bases (2) are respectively welded on the outer walls of the bottoms of the two slide rails (1), and the inner walls of the bottoms of the three fixing bases (2) are provided with threaded holes distributed at equal intervals.

3. The safety protection device for the cutting head of the cantilever type roadheader according to claim 1, characterized in that the outer walls of the two ends of the bottom of the upper protection plate (5) are lapped on the outer walls of the tops of the two slide rails (1), and the upper protection plate (5) is respectively in sliding fit with the two slide rails (1).

Technical Field

The invention relates to the technical field of coal mine tunneling, in particular to a safety protection device of a cutting head of a cantilever type tunneling machine.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, when the coal layer is far away from the ground surface, the coal layer is generally selected to dig a tunnel to the underground, which is a mineworker coal mine, when the coal seam is very close to the earth's surface, it is common to select a direct stripping of the surface soil layer to excavate coal, which is an open pit coal mine, which covers a large area of the ground, underground and related facilities, which is a reasonable space for human beings to excavate coal-rich geological layers, usually including roadways, wells, and mining surfaces, etc. in the rock (earth) layer or seam, the method comprises the following steps of digging various wells, roadways and chambers with different shapes, sections or criss-cross shapes, wherein the digging process is divided into a main process and an auxiliary process, and the main process is a process for ensuring the progress of a working face directly on the working face and a supporting operation carried out in a tunneling area of the roadway.

In the coal mine tunneling process, the boom-type tunneling machine can be utilized for tunneling, when the boom-type tunneling machine is used, the cutting head of the boom-type tunneling machine needs to be protected, the traditional cutting head protection device of the boom-type tunneling machine is manufactured by welding steel plates, at least 2 workers need to be used for manual carrying protection during protection at each time, time-consuming labor consumption is caused during detachment and installation at each time, the labor intensity is high, the protection operation is not simple and convenient, and the working efficiency is low.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a safety protection device for a cutting head of a cantilever type heading machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a safety device of cantilever type entry driving machine cutterhead, includes two slide rails, two the slide rail below is equipped with the unable adjustment base of three equidistance "C" shape structure, two equal slidable mounting has the slip dolly in the slide rail, two there is the connecting plate through bolted connection on the relative one side outer wall of slip dolly, and has an upper protection plate through bolted connection on the connecting plate top outer wall, all be equipped with the side guard plate on the outer wall of upper protection plate both sides, the side guard plate is including articulating first side backplate on upper protection plate top outer wall and articulating the second side backplate on the lower part outer wall on one side of first side backplate, it articulates on unable adjustment base's one end outer wall and has preceding guard plate to go up the guard plate top.

Preferably, three the both ends at unable adjustment base top weld respectively on two slide rail bottom outer walls, and all open the screw hole that has the equidistance and distribute on the inner wall of three unable adjustment base bottom.

Preferably, the outer walls of the two ends of the bottom of the upper protection plate are lapped on the outer walls of the tops of the two slide rails, and the upper protection plate is in sliding fit with the two slide rails respectively.

The invention has the beneficial effects that:

the invention is provided with three fixed bases, when in use, the three fixed bases are connected on the upper protective cover of the cutting part of the cantilever type tunneling machine through bolts, when in tunneling operation, the two first side protective plates and the two second side protective plates are turned over at the tops of the upper protective plates, the front protective plates are turned over at the tops of the two second side protective plates again, the two first side protective plates and the two second side protective plates can move along with the movement of the tunneling machine, the protective installation can be carried out by only 1 worker when the cutting head is protected, the use is simple and convenient, the labor intensity is lightened, and the safety factor and the working efficiency are improved.

Drawings

Fig. 1 is a schematic front perspective view of a safety protection device of a cutting head of a boom-type roadheader according to the present invention;

fig. 2 is a schematic side-view perspective structure view of a safety protection device of a cutting head of a boom-type roadheader according to the present invention;

fig. 3 is a schematic bottom perspective view of a safety protection device of a cutting head of a boom-type roadheader according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: the front protective plate comprises a sliding rail 1, a fixed base 2, a sliding trolley 3, a connecting plate 4, an upper protective plate 5, a side protective plate 6, a first side protective plate 61, a second side protective plate 62 and a front protective plate 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a safety protection device of a cantilever type heading machine cutting head comprises two slide rails 1, three fixing bases 2 with a C-shaped structure, two sliding trolleys 3, a connecting plate 4, an upper protection plate 5, two side protection plates 6 and a front protection plate 7, wherein two ends of the top of each fixing base 2 are respectively welded on the outer walls of the bottoms of the two slide rails 1, threaded holes distributed at equal intervals are respectively formed in the inner walls of the bottoms of the three fixing bases 2, the two sliding trolleys 3 are respectively and slidably mounted in the two slide rails 1, two ends of the connecting plate 4 are respectively connected on the outer walls of the opposite sides of the two sliding trolleys 3 through bolts, the upper protection plate 5 is connected on the outer wall of the top of the connecting plate 4 through bolts, the outer walls of two ends of the bottom of the upper protection plate 5 are lapped on the outer walls of the tops of the two slide rails 1, and the upper protection plate 5 is respectively in sliding fit with the two slide rails 1, side guard plate 6 hinges first side guard plate 61 on the outer wall of 5 tops of last guard plate and hinges second side guard plate 62 on the outer wall of the lower part on one side of first side guard plate 61, and preceding guard plate 7 hinges on the one end outer wall of 5 tops of last guard plate keeping away from unable adjustment base 2, can accomplish along with moving, only need 1 staff alright protect the installation when protecting the cutterhead, and simple to use is convenient, has alleviateed intensity of labour, has improved factor of safety and work efficiency.

During the use, with three unable adjustment base 2 through bolted connection on the shield on the cutting unit of boom-type entry driving machine, when carrying out the tunnelling operation, overturn two first side shields 61 and two second side shields 62 at the top of last guard plate 5, overturn preceding guard plate 7 at two second side shields 62 tops once more, remove the travelling car 3 for the one end of keeping away from the cutterhead that goes up guard plate 5 and be close to slide rail 1 makes protector remove along with the removal of entry driving machine.

The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.