阅读说明：本技术 一种刮板输送机可调自动断链机构及使用方法 (Adjustable automatic chain breaking mechanism of scraper conveyor and using method ) 是由 卢进南 丁文宇 刘治翔 谢苗 张瑞峰 于 2021-07-30 设计创作，主要内容包括：一种刮板输送机可调自动断链机构及使用方法,自动断链机构包括断链触发组件及断链位置定位组件；断链触发组件包括断链触发拨杆、C形转接立环、断链触发侧立环、断链断开侧横环及断链断开侧立环；断链位置定位组件包括断链位置定位底座、定位支撑立杆、定位支撑横杆及断链触发挡板。自动断链机构的使用方法为：在选定的断链位置处安装断链位置定位组件；在刮板输送机临时位置处安装上断链触发组件；启动刮板输送机,当断链触发组件从断链位置定位组件的定位支撑横杆横梁段下方经过时,断链触发拨杆会被断链触发挡板阻挡,使断链触发拨杆及C形转接立环被迫翻转,直到C形转接立环的支臂从断链断开侧横环中脱离,从而实现刮板输送机的自动断链。(An adjustable automatic chain breaking mechanism of a scraper conveyor and a using method thereof are disclosed, wherein the automatic chain breaking mechanism comprises a chain breaking triggering component and a chain breaking position positioning component; the chain breakage triggering assembly comprises a chain breakage triggering deflector rod, a C-shaped switching vertical ring, a chain breakage triggering side vertical ring, a chain breakage disconnection side transverse ring and a chain breakage disconnection side vertical ring; the broken chain position positioning assembly comprises a broken chain position positioning base, a positioning support upright rod, a positioning support cross rod and a broken chain trigger baffle. The use method of the automatic chain breaking mechanism comprises the following steps: installing a chain breakage position locating component at the selected chain breakage position; installing a chain breakage triggering assembly at the temporary position of the scraper conveyor; the scraper conveyor is started, when the chain breakage triggering assembly passes through the lower portion of the cross beam section of the positioning support cross beam of the chain breakage position positioning assembly, the chain breakage triggering shifting rod can be blocked by the chain breakage triggering baffle plate, the chain breakage triggering shifting rod and the C-shaped switching vertical ring are forced to overturn until the support arm of the C-shaped switching vertical ring is separated from the chain breakage disconnection side cross ring, and therefore automatic chain breakage of the scraper conveyor is achieved.)

1. The utility model provides an adjustable automatic chain rupture mechanism of scraper conveyor which characterized in that: the device comprises a broken chain triggering component and a broken chain position positioning component; the chain breakage triggering assembly comprises a chain breakage triggering deflector rod, a C-shaped switching vertical ring, a chain breakage triggering side vertical ring, a chain breakage breaking side transverse ring and a chain breakage breaking side vertical ring; one end of the chain breakage triggering deflector rod is fixedly connected with the arc top of the C-shaped switching vertical ring, and the other end of the chain breakage triggering deflector rod is a free end; one support arm of the C-shaped switching vertical ring is fixedly connected to the broken chain triggering side vertical ring, and when the broken chain triggering side vertical ring is in a horizontal state, a broken chain triggering deflector rod fixedly connected to the C-shaped switching vertical ring is in an inclined state; the other support arm of the C-shaped switching vertical ring is in clamping fit with the chain breaking disconnection side transverse ring, the chain breaking disconnection side transverse ring is connected with the first end transverse ring at one side of the chain breaking position of the scraper conveyor through the chain breaking disconnection side vertical ring, and the chain breaking triggering side vertical ring is connected with the second end transverse ring at the other side of the chain breaking position of the scraper conveyor; the chain breakage position positioning assembly comprises a chain breakage position positioning base, a positioning support upright rod, a positioning support cross rod and a chain breakage trigger baffle; the chain breakage position positioning bases are fixedly arranged on two sides of the scraper conveyor at the chain breakage position, and the positioning support upright rods are vertically and fixedly arranged on the upper surface of the chain breakage position positioning base; the positioning support cross rod is of a gantry arch structure, the column section of the positioning support cross rod is vertically inserted in the positioning support vertical rod, cross rod height positioning holes are formed in the positioning support vertical rod and the column section of the positioning support cross rod, and cross rod height positioning pins which are in inserting fit with the cross rod height positioning holes are arranged in the cross rod height positioning holes; and one end of the broken chain triggering baffle is fixedly connected to the middle of the cross beam section of the positioning support cross rod, the other end of the broken chain triggering baffle is a free end, when the broken chain triggering assembly is positioned on an upper-layer chain of the scraper conveyor, a broken chain triggering shifting rod in the broken chain triggering assembly inclines upwards, and the height of the free end of the broken chain triggering shifting rod is greater than that of the free end of the broken chain triggering baffle.

2. The use method of the adjustable automatic chain scission mechanism of the scraper conveyor as claimed in claim 1 is characterized by comprising the following steps:

the method comprises the following steps: firstly, selecting a position needing chain breakage on a scraper conveyor, and then fixedly installing a chain breakage position positioning base in place at the selected chain breakage position through a bolt;

step two: crossing the positioning support cross rod over the scraper conveyor, and accurately inserting and sleeving the upright column sections at two sides of the positioning support cross rod on the positioning support upright rod above the positioning base at the chain breakage position;

step three: adjusting the height of the positioning support cross rod according to the height of an upper-layer chain of the scraper conveyor, inserting a cross rod height positioning pin into cross rod height positioning holes in upright sections of the positioning support upright rod and the positioning support cross rod after the positioning support cross rod is lifted upwards to a specified height, and fixing the height of the positioning support cross rod;

step four: selecting a temporary position on the scraper conveyor, disconnecting an upper-layer chain of the scraper conveyor at the temporary position, and installing a chain breakage triggering assembly in place at the chain disconnection position;

step five: the scraper conveyor is started, the broken chain triggering assembly can follow the synchronous movement of the upper chain of the scraper conveyor, when the broken chain triggering assembly passes through the lower part of the positioning support cross beam section of the broken chain position positioning assembly, the broken chain triggering deflector rod can be blocked by the broken chain triggering baffle plate, because the upper chain of the scraper conveyor still moves continuously, the broken chain triggering deflector rod which is blocked at the moment can overturn, and then the C-shaped switching vertical ring is driven to synchronously overturn, until the C-shaped switching vertical ring support arm breaks away from the side cross ring of the broken chain disconnection, and the automatic broken chain of the scraper conveyor is realized.

Technical Field

The invention belongs to the technical field of coal mine machinery, and particularly relates to an adjustable automatic chain breaking mechanism of a scraper conveyor and a using method of the adjustable automatic chain breaking mechanism.

Background

The mining scraper conveyor is used as key equipment for 'three-machine matching' of a fully mechanized mining face, and the efficiency and the cost of underground coal mining are directly influenced by the performance of the mining scraper conveyor. Because the underground production environment is severe, the chain breaking working condition of the scraper conveyor cannot be predicted and avoided. Therefore, it is necessary to develop the research on the dynamic characteristics of chain breakage of the scraper conveyor, and the research on the mechanical structure of chain breakage of the scraper conveyor at any position is directly related to the accuracy of measured data, which is particularly important for the research on the dynamic characteristics of chain breakage.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an adjustable automatic chain breaking mechanism of a scraper conveyor and a using method thereof, which can automatically break a chain of the scraper conveyor through the operation of the scraper conveyor, can realize chain breaking at any position, and has the characteristics of simple structure, convenient assembly and disassembly and wide applicability.

In order to achieve the purpose, the invention adopts the following technical scheme: an adjustable automatic chain breaking mechanism of a scraper conveyor comprises a chain breaking triggering assembly and a chain breaking position positioning assembly; the chain breakage triggering assembly comprises a chain breakage triggering deflector rod, a C-shaped switching vertical ring, a chain breakage triggering side vertical ring, a chain breakage breaking side transverse ring and a chain breakage breaking side vertical ring; one end of the chain breakage triggering deflector rod is fixedly connected with the arc top of the C-shaped switching vertical ring, and the other end of the chain breakage triggering deflector rod is a free end; one support arm of the C-shaped switching vertical ring is fixedly connected to the broken chain triggering side vertical ring, and when the broken chain triggering side vertical ring is in a horizontal state, a broken chain triggering deflector rod fixedly connected to the C-shaped switching vertical ring is in an inclined state; the other support arm of the C-shaped switching vertical ring is in clamping fit with the chain breaking disconnection side transverse ring, the chain breaking disconnection side transverse ring is connected with the first end transverse ring at one side of the chain breaking position of the scraper conveyor through the chain breaking disconnection side vertical ring, and the chain breaking triggering side vertical ring is connected with the second end transverse ring at the other side of the chain breaking position of the scraper conveyor; the chain breakage position positioning assembly comprises a chain breakage position positioning base, a positioning support upright rod, a positioning support cross rod and a chain breakage trigger baffle; the chain breakage position positioning bases are fixedly arranged on two sides of the scraper conveyor at the chain breakage position, and the positioning support upright rods are vertically and fixedly arranged on the upper surface of the chain breakage position positioning base; the positioning support cross rod is of a gantry arch structure, the column section of the positioning support cross rod is vertically inserted in the positioning support vertical rod, cross rod height positioning holes are formed in the positioning support vertical rod and the column section of the positioning support cross rod, and cross rod height positioning pins which are in inserting fit with the cross rod height positioning holes are arranged in the cross rod height positioning holes; and one end of the broken chain triggering baffle is fixedly connected to the middle of the cross beam section of the positioning support cross rod, the other end of the broken chain triggering baffle is a free end, when the broken chain triggering assembly is positioned on an upper-layer chain of the scraper conveyor, a broken chain triggering shifting rod in the broken chain triggering assembly inclines upwards, and the height of the free end of the broken chain triggering shifting rod is greater than that of the free end of the broken chain triggering baffle.

The use method of the adjustable automatic chain breaking mechanism of the scraper conveyor comprises the following steps:

the method comprises the following steps: firstly, selecting a position needing chain breakage on a scraper conveyor, and then fixedly installing a chain breakage position positioning base in place at the selected chain breakage position through a bolt;

step two: crossing the positioning support cross rod over the scraper conveyor, and accurately inserting and sleeving the upright column sections at two sides of the positioning support cross rod on the positioning support upright rod above the positioning base at the chain breakage position;

step three: adjusting the height of the positioning support cross rod according to the height of an upper-layer chain of the scraper conveyor, inserting a cross rod height positioning pin into cross rod height positioning holes in upright sections of the positioning support upright rod and the positioning support cross rod after the positioning support cross rod is lifted upwards to a specified height, and fixing the height of the positioning support cross rod;

step four: selecting a temporary position on the scraper conveyor, disconnecting an upper-layer chain of the scraper conveyor at the temporary position, and installing a chain breakage triggering assembly in place at the chain disconnection position;

step five: the scraper conveyor is started, the broken chain triggering assembly can follow the synchronous movement of the upper chain of the scraper conveyor, when the broken chain triggering assembly passes through the lower part of the positioning support cross beam section of the broken chain position positioning assembly, the broken chain triggering deflector rod can be blocked by the broken chain triggering baffle plate, because the upper chain of the scraper conveyor still moves continuously, the broken chain triggering deflector rod which is blocked at the moment can overturn, and then the C-shaped switching vertical ring is driven to synchronously overturn, until the C-shaped switching vertical ring support arm breaks away from the side cross ring of the broken chain disconnection, and the automatic broken chain of the scraper conveyor is realized.

The invention has the beneficial effects that:

the adjustable automatic chain breaking mechanism of the scraper conveyor and the use method thereof can automatically break the chain of the scraper conveyor through the operation of the scraper conveyor, can realize chain breaking at any position, and has the characteristics of simple structure, convenient assembly and disassembly and wide applicability.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable automatic chain scission mechanism of a scraper conveyor according to the present invention;

FIG. 2 is a schematic structural diagram (view one) of the chain scission triggering component of the present invention;

FIG. 3 is a schematic structural diagram (view two) of the chain scission triggering component of the present invention;

FIG. 4 is a schematic structural diagram of the chain breakage position locating assembly of the present invention;

FIG. 5 is an effect view of the chain break trigger assembly of the present invention as it passes over the sprocket;

in the figure, 1-broken chain triggers the driving lever, 2-C shape switching founds the ring, 3-broken chain triggers the side and founds the ring, 4-broken chain disconnection side horizontal ring, 5-broken chain disconnection side founds the ring, 6-broken chain position location base, 7-location support pole setting, 8-location support horizontal pole, 9-broken chain triggers the baffle, 10-horizontal pole height locating hole, 11-horizontal pole height locating pin, 12-sprocket.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1 to 5, an adjustable automatic chain breaking mechanism of a scraper conveyor comprises a chain breaking triggering assembly and a chain breaking position positioning assembly; the chain breakage triggering assembly comprises a chain breakage triggering deflector rod 1, a C-shaped switching vertical ring 2, a chain breakage triggering side vertical ring 3, a chain breakage breaking side transverse ring 4 and a chain breakage breaking side vertical ring 5; one end of the chain breakage triggering shifting rod 1 is fixedly connected with the arc top of the C-shaped switching vertical ring 2, and the other end of the chain breakage triggering shifting rod 1 is a free end; one support arm of the C-shaped switching vertical ring 2 is fixedly connected to the broken chain triggering side vertical ring 3, and when the broken chain triggering side vertical ring 3 is in a horizontal state, a broken chain triggering deflector rod 1 fixedly connected to the C-shaped switching vertical ring 2 is in an inclined state; the other support arm of the C-shaped switching vertical ring 2 is in clamping fit with the chain breaking disconnection side transverse ring 4, the chain breaking disconnection side transverse ring 4 is connected with a first end transverse ring at one side of the chain breaking position of the scraper conveyor through a chain breaking disconnection side vertical ring 5, and the chain breaking triggering side vertical ring 3 is connected with a second end transverse ring at the other side of the chain breaking position of the scraper conveyor; the chain breakage position positioning assembly comprises a chain breakage position positioning base 6, a positioning support upright rod 7, a positioning support cross rod 8 and a chain breakage trigger baffle 9; the chain breakage position positioning base 6 is fixedly arranged at two sides of the scraper conveyor at the chain breakage position, and the positioning support upright rod 7 is vertically and fixedly arranged on the upper surface of the chain breakage position positioning base 6; the positioning support cross rod 8 adopts a gantry arch structure, the column section of the positioning support cross rod 8 is vertically inserted on the positioning support upright stanchion 7, cross rod height positioning holes 10 are respectively arranged on the positioning support upright stanchion 7 and the column section of the positioning support cross rod 8, and cross rod height positioning pins 11 which are inserted and matched with the cross rod height positioning holes 10 are arranged in the cross rod height positioning holes 10; and one end of the broken chain triggering baffle 9 is fixedly connected to the middle of the cross beam section of the positioning support cross rod 8, the other end of the broken chain triggering baffle 9 is a free end, when the broken chain triggering assembly is positioned on an upper-layer chain of the scraper conveyor, the broken chain triggering shifting rod 1 in the broken chain triggering assembly inclines upwards, and the height of the free end of the broken chain triggering shifting rod 1 is greater than that of the free end of the broken chain triggering baffle 9.

The use method of the adjustable automatic chain breaking mechanism of the scraper conveyor comprises the following steps:

the method comprises the following steps: firstly, selecting a position needing chain breakage on a scraper conveyor, and then fixedly installing a chain breakage position positioning base 6 in place at the selected chain breakage position through a bolt;

step two: the positioning support cross rod 8 strides over a scraper conveyor, so that the upright column sections at two sides of the positioning support cross rod 8 are accurately inserted and sleeved on the positioning support upright rod 7 above the chain breakage position positioning base 6;

step three: adjusting the height of the positioning support cross rod 8 according to the height of an upper-layer chain of the scraper conveyor, and inserting a cross rod height positioning pin 11 into a cross rod height positioning hole 10 on the positioning support vertical rod 7 and the upright column section of the positioning support cross rod 8 after the positioning support cross rod 8 is lifted upwards to a specified height, wherein the height of the positioning support cross rod 8 is fixed;

step four: selecting a temporary position on the scraper conveyor, disconnecting an upper-layer chain of the scraper conveyor at the temporary position, and installing a chain breakage triggering assembly in place at the chain disconnection position;

step five: start scraper conveyor, the broken chain triggers the subassembly and can follow scraper conveyor upper chain synchronous motion, when the broken chain triggers the subassembly and passes through from broken chain position locating component's location support horizontal pole 8 crossbeam section below, broken chain triggers driving lever 1 and can be blockked by broken chain trigger baffle 9, because scraper conveyor upper chain is still moving continuously, the broken chain that receives to block this moment triggers driving lever 1 and can overturn, and then drives C shape switching and founds the synchronous upset of ring 2, break away from broken chain disconnection side link 4 until C shape switching founds the support arm of ring 2, thereby realize scraper conveyor's automatic broken chain.

After the broken part of the upper chain of the scraper conveyor is connected by the chain breakage triggering assembly, the chain breakage triggering assembly is equivalent to a common chain ring of the upper chain of the scraper conveyor, so that the normal operation of the scraper conveyor chain can be ensured, and the chain can normally pass through the chain wheel 11 of the scraper conveyor without being influenced.

The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.