CN217380534U

CN217380534U - Mine tunneling mechanism

Info

Publication number: CN217380534U
Application number: CN202220433022.7U
Authority: CN
Inventors: 雷敬云; 黄超; 代礼其; 李泽文
Original assignee: Sichuan Furong South Sichuan Construction Engineering Co ltd
Current assignee: Sichuan Furong South Sichuan Construction Engineering Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-06
Anticipated expiration: 2032-03-02

Abstract

The application provides a mine tunnelling mechanism includes: the gear disc assembly is arranged at the front end of the extension arm in a swinging mode; the front section of the gear disc assembly is an arc-shaped plate, the rear end of the arc-shaped plate is provided with a connecting arm, the outer wall of the front end of the arc-shaped plate is an arc-shaped surface, and the axis of the arc-shaped surface is parallel to the swinging axis of the gear disc assembly on the extension arm; a plurality of rows of tooth hooks are arranged on the arc-shaped surface of the arc-shaped plate along the arc-shaped direction, and the tooth hooks in adjacent rows are arranged in a staggered manner; the two sides of the arc-shaped plate are provided with baffle plates to protect the connecting side surfaces of the tooth hooks and the arc-shaped plate; the rear end of the connecting arm is provided with an arc rack, the axis of the arc rack is coaxial with the swinging axis of the gear disc assembly on the extension arm, the tooth form of the arc rack is helical, the extension arm is provided with a worm, the worm is meshed with the arc rack, and the arc rack is driven to rotate around the axis through the rotation of the worm, so that the gear disc assembly is driven to swing. The tunneling efficiency can be effectively improved, and the vibration and the noise are small.

Description

Mine tunneling mechanism

Technical Field

The utility model belongs to mining construction equipment field especially relates to a mine tunnelling mechanism.

Background

In the process of mining and tunneling, various tunneling devices such as a hydraulic breaking hammer, an air cannon machine and the like are required to be used, the tools can only carry out single-point breaking, the breaking efficiency is low, and the vibration and noise are large during working, so that the construction environment in a mine is worse.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a mine tunnelling mechanism has great broken scope, can effectively improve tunnelling efficiency to vibration and noise are less, can greatly improve the construction environment in the pit.

In order to realize the purpose of the utility model, the following scheme is proposed:

a mine excavation mechanism, comprising: the gear disc assembly is arranged at the front end of the extension arm in a swinging mode;

the front section of the gear disc component is an arc-shaped plate, the rear end of the arc-shaped plate is provided with a connecting arm, the outer wall of the front end of the arc-shaped plate is an arc-shaped surface, and the axis of the arc-shaped surface is parallel to the swinging axis of the gear disc component on the extension arm;

a plurality of rows of tooth hooks are arranged on the arc-shaped surface of the arc-shaped plate along the arc-shaped direction, and the tooth hooks in adjacent rows are arranged in a staggered manner; the two sides of the arc-shaped plate are provided with baffle plates to protect the connecting side surfaces of the tooth hooks and the arc-shaped plate;

the rear end of the connecting arm is provided with an arc rack, the axis of the arc rack is coaxial with the swinging axis of the gear disc assembly on the extension arm, the tooth form of the arc rack is helical, the extension arm is provided with a worm, the worm is meshed with the arc rack, and the arc rack is driven to rotate around the axis through the rotation of the worm, so that the gear disc assembly is driven to swing.

Furthermore, the position that the cambered surface of arc corresponds the installation of tooth hook all is equipped with the connecting seat, and the tooth hook passes through bolt or round pin axle detachable and installs in the connecting seat.

Furthermore, the baffle is fan-shaped structure, and its one section that is located the arc the place ahead bends to the both sides slope of arc, and the border that the baffle is located the arc the place ahead is the sawtooth structure.

Furthermore, the extension arm is provided with a driving motor for driving the worm to rotate, and a protective cover is arranged outside the driving motor.

Further, the extension arm is of a tubular structure.

The beneficial effects of the utility model reside in that: the tooth hook that the utilization fluted disc subassembly set up located carries out the breakage, can increase broken scope, realizes digging fast to adopt the wobbling mode to carry out broken tunnelling to the ore, very big reduction vibration and noise improve borehole operation environment, through worm drive's structure, not only have great moment, and the structure size is compacter, is fit for narrow and small space construction in the pit more and uses.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a schematic structural diagram of the present application.

Fig. 2 shows the configuration of the gear disc assembly.

The mark in the figure is: an extension arm-10, a worm-11, a driving motor-12, a gear disc assembly-20, an arc-shaped plate-21, a connecting seat-211, a connecting arm-22, an arc rack-221, a tooth hook-23 and a baffle-24.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, a mine excavation mechanism includes: an extension arm 10 and a fluted disc assembly 20, wherein the fluted disc assembly 20 is arranged at the front end of the extension arm 10 in a swinging way. The extension arm 10 is of a tubular construction to reduce overall weight. The extension arm 10 can be installed on a fixed platform or a movable walking trolley for use, and the rotation function is combined, so that the extension arm 10 can rotate, and the construction range is enlarged.

Specifically, as shown in fig. 2, the front section of the toothed disc assembly 20 is an arc-shaped plate 21, the rear end of the arc-shaped plate 21 is provided with a connecting arm 22, the outer wall of the front end of the arc-shaped plate 21 is an arc-shaped surface, and the axis of the arc-shaped surface is parallel to the swing axis of the toothed disc assembly 20 on the extension arm 10.

Specifically, as shown in fig. 2, a plurality of rows of tooth hooks 23 are arranged on the arc surface of the arc plate 21 along the arc direction, and the tooth hooks in adjacent rows are arranged in a staggered manner, so as to increase the crushing range; the two sides of the arc plate 21 are provided with baffle plates 24 to protect the connecting side of the tooth hook 23 and the arc plate 21.

Specifically, as shown in fig. 1 and 2, an arc rack 221 is disposed at the rear end of the connecting arm 22, an axis of the arc rack 221 is coaxial with a swing axis of the gear disc assembly 20 on the extension arm 10, a tooth shape of the arc rack 221 is a helical tooth, the extension arm 10 is provided with a worm 11, the worm 11 is engaged with the arc rack 221, and the worm 11 rotates to drive the arc rack 221 to rotate around the axis, so as to drive the gear disc assembly 20 to swing. The extension arm 10 is provided with a driving motor 12 for driving the worm 11 to rotate, and a protective cover is arranged outside the driving motor 12 to prevent the driving motor 12 from being damaged.

The worm 11 is adopted for transmission, the structure is simpler, the overall size of the tunneling mechanism can be effectively reduced, and the device is more suitable for narrow space in a mine. The impact noise is small, and the maintenance is convenient. And the transmission torque is larger, so that the ore can be quickly crushed, and the aim of quickly tunneling is fulfilled.

Preferably, as shown in fig. 2, the arc-shaped surface of the arc-shaped plate 21 is provided with a connecting seat 211 at a position corresponding to the installation position of the tooth hook 23, and the tooth hook 23 is detachably installed on the connecting seat 211 through a bolt or a pin shaft, so that the tooth hook 23 can be replaced after being worn.

Preferably, as shown in fig. 2, the baffle 24 is of a fan-shaped structure, and a section of the baffle located in front of the arc-shaped plate 21 is bent obliquely towards two sides of the arc-shaped plate 21, and the edge of the baffle 24 located in front of the arc-shaped plate 21 is of a sawtooth structure, so as to enlarge the ore crushing surface to the side of the fluted disc assembly 20, protect the toothed hooks 23, enlarge the crushing range of the fluted disc assembly 20 to the ore, and further improve the tunneling speed.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A mine excavation mechanism, comprising: the gear disc assembly (20) is arranged at the front end of the extension arm (10) in a swinging mode;

the front section of the gear disc component (20) is an arc-shaped plate (21), a connecting arm (22) is arranged at the rear end of the arc-shaped plate (21), the outer wall of the front end of the arc-shaped plate (21) is an arc-shaped surface, and the axis of the arc-shaped surface is parallel to the swinging axis of the gear disc component (20) on the extension arm (10);

a plurality of rows of tooth hooks (23) are arranged on the arc surface of the arc plate (21) along the arc direction, and the tooth hooks in adjacent rows are arranged in a staggered manner; the two sides of the arc-shaped plate (21) are respectively provided with a baffle plate (24) to protect the connecting side surface of the tooth hook (23) and the arc-shaped plate (21);

the rear end of the connecting arm (22) is provided with an arc rack (221), the axis of the arc rack (221) is coaxial with the swing axis of the gear disc assembly (20) on the extension arm (10), the tooth form of the arc rack (221) is helical, the extension arm (10) is provided with a worm (11), the worm (11) is meshed with the arc rack (221), and the arc rack (221) is driven to rotate around the axis through rotation of the worm (11), so that the gear disc assembly (20) is driven to swing.

2. The mine excavation mechanism according to claim 1, characterized in that the arc-shaped face of the arc-shaped plate (21) is provided with a connecting seat (211) at a position corresponding to the installation position of the tooth hook (23), and the tooth hook (23) is detachably installed on the connecting seat (211) through a bolt or a pin shaft.

3. A mine tunnelling mechanism as claimed in claim 1, wherein the shield (24) is of a fan configuration and has a portion located forwardly of the arcuate plate (21) which is angled towards the sides of the arcuate plate (21), the edge of the shield (24) located forwardly of the arcuate plate (21) being of a sawtooth configuration.

4. A mine entry mechanism according to claim 1 wherein the extension arm (10) is provided with a drive motor (12) for rotating the worm (11), the drive motor (12) being externally provided with a protective cover.

5. A mine tunnelling mechanism as claimed in claim 1, in which the extension arm (10) is of tubular construction.