阅读说明：本技术 皮带输送机与刮板运输机运行状态检测及联合控制装置 (Belt conveyor and scraper conveyor running state detection and combined control device ) 是由 张坤 苏金鹏 孙绍安 刘增锴 张强 刘希福 石侃 吴思 田莹 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种皮带输送机与刮板运输机运行状态检测及联合控制装置,包括用于检测皮带输送机和刮板运输机两端的运转速度、传送皮带的临界承载力的检测模块；用于减弱煤块从所述刮板运输机下落到皮带输送机时对皮带产生的冲击的过渡连接模块；用于调整所述皮带输送机和刮板运输机的驱动电机的功率的辅助调节模块；用于对所述检测模块检测的数据进行分析,对异常数据发出警报告知维修人员,并对所述辅助调节模块发出指令,使皮带输送机与刮板运输机的运转速度相匹配的分析控制模块。本发明能够有效提升皮带输送机和刮板运输机之间的配合程度,避免出现因运载速度不匹配导致的煤块堆积或掉落情况,提高工作效率的同时还能合理使用能源。(The invention discloses a device for detecting and jointly controlling the running states of a belt conveyor and a scraper conveyor, which comprises a detection module, a control module and a control module, wherein the detection module is used for detecting the running speeds of two ends of the belt conveyor and the scraper conveyor and the critical bearing capacity of a conveying belt; the transition connection module is used for weakening the impact on a belt when the coal blocks fall from the scraper conveyor to the belt conveyor; an auxiliary adjusting module for adjusting the power of the driving motors of the belt conveyor and the scraper conveyor; and the analysis control module is used for analyzing the data detected by the detection module, sending an alarm to abnormal data to inform maintenance personnel, and sending an instruction to the auxiliary regulation module to enable the running speeds of the belt conveyor and the scraper conveyor to be matched. The invention can effectively improve the matching degree between the belt conveyor and the scraper conveyor, avoid the condition of coal block accumulation or falling caused by mismatching of carrying speed, improve the working efficiency and reasonably use energy.)

1. The utility model provides a belt conveyor and scraper conveyor running state detect and joint control device which characterized in that includes:

the detection module is arranged on the belt conveyor and the scraper conveyor and is used for detecting the running speeds of two ends of the belt conveyor and the scraper conveyor and the critical bearing capacity of the conveying belts of the belt conveyor and the scraper conveyor;

the transition connection module is connected between the scraper conveyor and the belt conveyor and is used for weakening the impact on a belt when the coal blocks fall from the scraper conveyor to the belt conveyor;

the auxiliary adjusting module comprises a first motor frequency modulator and a second motor frequency modulator which are respectively arranged on the driving motors of the belt conveyor and the scraper conveyor and is used for adjusting the power of the driving motors of the belt conveyor and the scraper conveyor;

and the analysis control module is connected with the detection module and the auxiliary adjusting module and used for analyzing the data detected by the detection module, sending an alarm to abnormal data to inform maintenance personnel, and sending an instruction to the auxiliary adjusting module to enable the running speed of the belt conveyor to be matched with that of the scraper conveyor.

2. The apparatus for detecting the operating state of a belt conveyor and a scraper conveyor and controlling them in combination as set forth in claim 1, wherein the detecting module comprises a first speedometer and a second speedometer for detecting the operating speeds of both ends of the belt conveyor, a third speedometer and a fourth speedometer for detecting the operating speeds of both ends of the scraper conveyor, and a weight detecting means uniformly distributed under the conveyor belts of the belt conveyor and the scraper conveyor.

3. The device for detecting and jointly controlling the running states of the belt conveyor and the scraper conveyor as claimed in claim 2, wherein the first velocimeter and the second velocimeter are fixed on a cross beam at the bottom of the belt conveyor and are respectively positioned at two ends of the belt conveyor and right below a conveying belt of the belt conveyor;

and the third speedometer and the fourth speedometer are fixed on a cross beam at the bottom of the scraper conveyer and are respectively positioned at two ends of the scraper conveyer and under a conveying belt of the scraper conveyer.

4. The device for detecting the running state of the belt conveyor and the scraper conveyor and controlling the combination as claimed in claim 2, wherein the weight detecting device comprises a bottom plate, a base fixed on the bottom plate through a bolt and a nut, and a cylinder body fixed on the base, wherein a pressure detector is arranged inside the cylinder body, a supporting rod is connected to the top of the pressure detector, extends out of the cylinder body, and is connected with two round wheels through a hinge shaft;

when the weight of coal cinder reaches certain critical value, make belt conveyor and scraper conveyor's conveyer's lower surface with the round wheel contacts, the round wheel rotates along with conveyer's operation, and the round wheel receives vertical decurrent pressure effect simultaneously, and passes through the transmission of articulated shaft, bracing piece gives pressure detector.

5. The device for detecting and jointly controlling the operating states of the belt conveyor and the scraper conveyor as claimed in claim 1, wherein the transition connection module comprises a transition plate and a lower support plate connected with the metal frame of the scraper conveyor, and a buffer rubber block fixed right below the conveyor belt of the belt conveyor corresponding to the lower end of the transition plate, and one end of the lower support plate, which is far away from the metal frame of the scraper conveyor, is connected with the middle upper part of the transition plate.

6. The belt conveyor and flight conveyor operating condition sensing and joint control apparatus of claim 2, wherein the auxiliary adjustment module further comprises raised waves formed on a conveyor belt of the belt conveyor and an L-shaped flight formed on a conveyor belt of the flight conveyor;

the first velocimeter and the second velocimeter convert the number of the raised;

the third speedometer and the fourth speedometer convert the number of the L-shaped scrapers passing right above the third speedometer and the fourth speedometer into the carrying speed of the scraper conveyer.

7. The belt conveyor and flight conveyor operating condition sensing and joint control apparatus of claim 1, wherein the analysis control module includes an analysis computer.

Technical Field

The invention belongs to the technical field of detection of a conveying device and combined control of a plurality of conveying devices, and particularly relates to a device for detecting and combining the running states of a belt conveyor and a scraper conveyor.

Background

At the present stage, after the coal mining machine of the fully mechanized mining face cuts the coal wall, the cut coal blocks are firstly transported away from the fully mechanized mining face by the scraper conveyor and then transported by the transfer conveyor and the plurality of belt conveyors. In the transportation process of the scraper conveyor and the belt conveyor, the quality and the volume of the coal blocks cut by the coal mining machine have difference due to different actual distribution conditions of the coal walls. However, both the scraper conveyor and the belt conveyor are driven by constant power motors, so that when the scraper conveyor and the belt conveyor transport coal blocks with larger mass and volume, the transport speed is reduced, and when the scraper conveyor and the belt conveyor transport coal blocks with smaller mass and volume, the transport speed is increased. Therefore, the carrying speed between the scraper conveyor and the belt conveyor is easily inconsistent, and the coal blocks are accumulated and fall off when the coal blocks are not transported in time or the phenomenon of energy waste due to transition of carrying is easily caused. Therefore, it is very necessary to detect the operation states of the scraper conveyor and the belt conveyor in real time and perform combined control between the two.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide the running state detection and combined control device for the belt conveyor and the scraper conveyor, which can effectively improve the matching degree between the belt conveyor and the scraper conveyor, avoid the condition of coal block accumulation or falling caused by mismatching of carrying speeds, improve the working efficiency and reasonably use energy.

In order to solve the technical problems, the invention is realized by the following technical scheme: the invention provides a belt conveyor and scraper conveyor running state detection and combined control device, comprising: the detection module is arranged on the belt conveyor and the scraper conveyor and is used for detecting the running speeds of two ends of the belt conveyor and the scraper conveyor and the critical bearing capacity of the conveying belts of the belt conveyor and the scraper conveyor;

the transition connection module is connected between the scraper conveyor and the belt conveyor and is used for weakening the impact on a belt when the coal blocks fall from the scraper conveyor to the belt conveyor;

the auxiliary adjusting module comprises a first motor frequency modulator and a second motor frequency modulator which are respectively arranged on the driving motors of the belt conveyor and the scraper conveyor and is used for adjusting the power of the driving motors of the belt conveyor and the scraper conveyor;

and the analysis control module is connected with the detection module and the auxiliary adjusting module and used for analyzing the data detected by the detection module, sending an alarm to abnormal data to inform maintenance personnel, and sending an instruction to the auxiliary adjusting module to enable the running speed of the belt conveyor to be matched with that of the scraper conveyor.

Optionally, the detection module includes a first velocimeter and a second velocimeter for detecting the operating speeds at the two ends of the belt conveyor, a third velocimeter and a fourth velocimeter for detecting the operating speeds at the two ends of the scraper conveyor, and a weight detection device uniformly distributed below the conveyor belts of the belt conveyor and the scraper conveyor.

Optionally, the first velocimeter and the second velocimeter are fixed on a cross beam at the bottom of the belt conveyor and respectively located at two ends of the belt conveyor and right below a conveying belt of the belt conveyor;

and the third speedometer and the fourth speedometer are fixed on a cross beam at the bottom of the scraper conveyer and are respectively positioned at two ends of the scraper conveyer and under a conveying belt of the scraper conveyer.

In one embodiment of the invention, the weight detecting device comprises a bottom plate, a base fixed on the bottom plate through bolts and nuts, and a cylinder body fixed on the base, wherein a pressure detector is arranged inside the cylinder body, the top of the pressure detector is connected with a support rod, and the support rod extends out of the cylinder body and is connected with two round wheels through a hinge shaft;

when the weight of coal cinder reaches certain critical value, make belt conveyor and scraper conveyor's conveyer's lower surface with the round wheel contacts, the round wheel rotates along with conveyer's operation, and the round wheel receives vertical decurrent pressure effect simultaneously, and passes through the transmission of articulated shaft, bracing piece gives pressure detector.

Specifically, the transition connection module comprises a transition plate and a lower support plate which are connected with a metal frame of the scraper conveyor, and a buffer rubber block which is fixed right below a conveying belt of the belt conveyor and corresponds to the lower end of the transition plate, wherein one end, far away from the metal frame of the scraper conveyor, of the lower support plate is connected with the middle upper part of the transition plate.

Further, the auxiliary adjusting module further comprises raised wave-like protrusions formed on a conveying belt of the belt conveyor and an L-shaped scraper formed on the conveying belt of the scraper conveyor;

the first velocimeter and the second velocimeter convert the number of the raised;

the third speedometer and the fourth speedometer convert the number of the L-shaped scrapers passing right above the third speedometer and the fourth speedometer into the carrying speed of the scraper conveyer.

Preferably, the analysis control module comprises an analysis computer.

Therefore, the device for detecting the running state of the belt conveyor and the scraper conveyor and controlling the running state of the belt conveyor and the scraper conveyor in a combined mode at least has the following beneficial effects:

the utility model provides a, designed a transition structure, the impact force that produces when having effectively reduced the coal cinder and dropping to belt conveyor from scraper conveyor makes belt conveyor can more steady work.

Secondly, a weight detection device is designed, the carrying states of the belt conveyor and the scraper conveyor can be detected, so that response and reflection can be timely made, and the analysis computer can timely make adjustment according to detected signals.

Thirdly, a combined control system between band conveyer and the scraper conveyor has been designed, and this system can effectively promote the cooperation degree between band conveyer and the scraper conveyor, avoids appearing piling up or the condition that drops because of the coal cinder that the carrying speed mismatches and leads to, can also the rational use of energy when improving work efficiency, avoids the energy extravagant.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

FIG. 1 is a side view of a belt conveyor and flight conveyor operation status detection and combination control apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a top view of the belt conveyor and flight conveyor operating condition detection and combination control apparatus of the present invention;

FIG. 3 is a perspective view of the weight detecting device of the present invention;

FIG. 4 is a front view of the weight detecting device of the present invention;

FIG. 5 is a cross-sectional view of the weight detecting device of the present invention;

FIG. 6 is a schematic structural view of a transition plate of the present invention;

fig. 7 is a flow chart of the operation of the belt conveyor and scraper conveyor running state detection and combined control device of the invention.

In the figure: 1-a first velocimeter; 2-a first weight detecting means; 3-a second weight detection device; 4-a second velocimeter; 5-buffering the rubber block; 6-a transition plate; 7-a lower support plate; 8-a third velocimeter; 9-a third weight detecting device; 10-a fourth weight detection means; 11-a fourth velocimeter; 12-raised grain belts; 13-L-shaped scrapers; 14-lower support holes; 15-upper support hole; 16-a base plate; 17-a base; 18-cylinder body; 19-a round wheel; 20-a support bar; 21-a hinged axis; 22-bolt; 23-a pressure detector; 24-a first motor frequency modulator; 25-a second motor frequency modulator; 26-analysis computer.

Detailed Description

Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, and which illustrate, by way of example, the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.

As shown in fig. 1-7, the device for detecting and jointly controlling the running states of a belt conveyor and a scraper conveyor provided by the invention is formed by adding a detection module, a transition connection module, an analysis control module and an auxiliary adjusting module on the basis of the structure of the existing belt conveyor and scraper conveyor, and the structure of the belt conveyor and scraper conveyor is designed in the prior art and is out of the scope of the patent.

The detection module of the belt conveyor and scraper conveyor running state detection and combined control device is arranged on the belt conveyor and the scraper conveyor and is used for detecting the running speeds of two ends of the belt conveyor and the scraper conveyor and detecting the critical bearing capacity of the conveying belts of the belt conveyor and the scraper conveyor, and comprises a first speedometer 1 and a second speedometer 4 for detecting the running speeds of two ends of the belt conveyor, a third speedometer 8 and a fourth speedometer 11 for detecting the running speeds of two ends of the scraper conveyor and a weight detection device uniformly distributed below the conveying belts of the belt conveyor and the scraper conveyor.

The weight detection device comprises a bottom plate 16, a base 17 fixed on the bottom plate 16 through a bolt 22 and a nut, a cylinder body 18 fixed on the base 17, a pressure detector 23 is arranged inside the cylinder body 18, a support rod 20 is connected to the top of the pressure detector 23, and the support rod 20 extends out of the cylinder body 18 and is connected with two round wheels 19 through a hinge shaft 21.

The transitional connecting module is connected between the scraper conveyor and the belt conveyor and is used for weakening the impact on a belt when the coal blocks fall from the scraper conveyor to the belt conveyor. The transition connection module comprises a transition plate 6 and a lower support plate 7 which are connected with a metal frame of the scraper conveyor, and a buffer rubber block 5 which is fixed under a conveying belt of the belt conveyor and corresponds to the lower end of the transition plate 6, wherein one end, far away from the metal frame of the scraper conveyor, of the lower support plate 7 is connected with the middle upper part of the transition plate 6. The transition plate 6 plays a role in buffer transition, an upper support hole 15 of the transition plate 6 is fixed on a metal frame of the scraper conveyor through a bolt and a nut, and a lower support hole 14 is fixedly connected with the lower support plate 7 through a bolt and a nut. One end of the lower supporting plate 7 is connected with the transition plate 6 through bolts and nuts, and the other end of the lower supporting plate is fixed on a metal frame of the scraper conveyor. The buffer rubber block 5 is fixed right below the wavy belt 12 corresponding to the lower end of the transition plate 6, and has the function of playing a certain buffer role when the coal blocks slide down from the transition plate 6, so that the impact on the conveying belt of the belt conveyor when the coal blocks fall is weakened.

The auxiliary adjusting module of the invention comprises a first motor frequency modulator 24 and a second motor frequency modulator 25 which are respectively arranged on the driving motors of the belt conveyor and the scraper conveyor and are used for adjusting the power of the driving motors of the belt conveyor and the scraper conveyor. Supplementary adjusting module is still including forming raised and the formation of raised ripple on band conveyer's the conveyer is in L type scraper blade 13 on the conveyer of scraper conveyor, consequently, raised ripple belt 12 is protruding and then realize increasing the effect of frictional force between belt and the coal cinder through increasing the raised ripple on the basis of the original conveyer of band conveyer, can effectively avoid the coal cinder to take place to slide like this when transporting the coal cinder. The L-shaped scraper 13 is an upright L-shaped scraper structure which is formed by converting the traditional chain structure of a scraper conveyor, can effectively increase the contact area between the scraper and the coal briquettes, and simultaneously increases the friction resistance, thereby being convenient for conveying the coal briquettes.

The analysis control module of the invention comprises an analysis computer 26 which is connected with the detection module and the auxiliary adjusting module and is used for analyzing the data detected by the detection module, sending an alarm to the abnormal data to inform maintenance personnel, and sending an instruction to the auxiliary adjusting module to ensure that the running speeds of the belt conveyor and the scraper conveyor are matched.

The working principle of the velocimeter is similar to that of a photoelectric counter, and the actual carrying speeds of the belt conveyor and the scraper conveyor are tested in a counting mode. Wherein first tachymeter 1 and second tachymeter 4 are fixed on band conveyer bottom crossbeam, fix respectively at band conveyer's both ends, under raised ripple belt 12, and its theory of operation is through the protruding quantity of the ripple that sweeps directly over the count, and then the carrying speed who turns into the ripple belt transmits for analysis computer 26. The third speedometer 8 and the fourth speedometer 11 are fixed on a bottom cross beam of the scraper conveyor and respectively fixed at two ends of the belt conveyor and right below the L-shaped scrapers 13, and the working principle is that the number of the L-shaped scrapers 13 passing right above is counted, and then the number is converted into the carrying speed of the scraper conveyor and transmitted to the analysis computer 26.

The weight detecting devices of the present invention are four groups, namely, a first weight detecting device 2, a second weight detecting device 3, a third weight detecting device 9 and a fourth weight detecting device 10, and the fixing positions thereof are respectively and uniformly distributed right below the raised grain belt 12 and the L-shaped scraper 13. Each group of the weight detecting devices structurally comprises a bottom plate 16, a base 17, a cylinder body 18, a round wheel 19, a support rod 20, a hinge shaft 21, a bolt 22, a nut and a pressure detector 23. The four tachymeters and the four groups of weight detection devices form the detection module of the invention.

The first motor frequency modulator 24 of the present invention is located on the driving motor of the belt conveyor and is used for receiving the instruction from the analysis computer 26 and adjusting the power of the driving motor of the belt conveyor in time so as to change the conveying speed of the belt conveyor. The second motor frequency modulator 25 is located on the drive motor of the scraper conveyor and acts the same as the first motor frequency modulator.

With reference to the description of the above structural features and in conjunction with fig. 1 to 7, the operation principle of the operation state detection and combined control device of a belt conveyor and a scraper conveyor using the present invention will be explained in detail below:

when band conveyer and scraper conveyor normally work, first tachymeter 1 and second tachymeter 4 detect the functioning speed at band conveyer both ends respectively, and transmit it for analysis computer 26, analysis computer 26 can carry out the analysis to the data that two tachymeters returned, because of the belt has certain ductility, and the weight of the coal cinder of different positions on the belt is also different, so the functioning speed of the belt that two tachymeters returned has certain difference, if the difference value surpasss the specified scope for a long time, analysis computer 26 just can send the police dispatch newspaper and give maintenance personal. The third speedometer 8 and the fourth speedometer 11 respectively detect the running speeds of two ends of the scraper conveyer, and the working principle and the working process are the same as those of the first speedometer 1 and the second speedometer 4. When the analysis computer 26 finds that the running speeds of the belt conveyor and the scraper conveyor are not matched through the received data, an instruction is immediately sent to the first motor frequency modulator 24 or the second motor frequency modulator 25, so that the output power of the motor is increased or reduced to enable the belt conveyor to be matched with the running speed of the scraper conveyor, coal blocks are prevented from being accumulated and falling, energy is reasonably utilized, and energy waste is avoided.

When the coal block moves along with the raised grain belt 12, the raised grain belt 12 sinks under the action of the gravity of the coal block, when the weight of the coal block reaches a certain critical value, the lower surface of the raised grain belt 12 is in contact with the round wheel 19 of the weight detection device, the round wheel 19 rotates along with the operation of the belt due to the existence of friction force, meanwhile, the round wheel 19 is under the action of vertical downward pressure and is transmitted through the hinge shaft 21 and the support rod 20, finally, the pressure is transmitted to the pressure detector 23, the pressure information is transmitted to the analysis computer 26 by the pressure detector 23, the analysis computer 26 analyzes after receiving the pressure information, and when the analysis computer 26 finds that the pressure value born by a certain weight detection device exceeds a specified range, an alarm is sent to a maintenance person to inform the maintenance person of timely fault generation and fault removal, the occurrence of safety accidents is avoided.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.