CN103993897A - Method for correcting linearity of working surface hydraulic supporting frame set through tension sensors - Google Patents
Method for correcting linearity of working surface hydraulic supporting frame set through tension sensors Download PDFInfo
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- CN103993897A CN103993897A CN201410103883.9A CN201410103883A CN103993897A CN 103993897 A CN103993897 A CN 103993897A CN 201410103883 A CN201410103883 A CN 201410103883A CN 103993897 A CN103993897 A CN 103993897A
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Abstract
Disclosed is a method for correcting the linearity of a working surface hydraulic supporting frame set through tension sensors. A tensioned steel wire rope is arranged between a machine head and a machine tail of a scraper conveyer, two rope pressing wheels are arranged on the scraper conveyer at certain intervals, the steel wire rope is located between the two rope pressing wheels, and the tension sensors are arranged above the two rope pressing wheels. In the working process, the steel wire rope makes contact with one of the rope pressing wheel and then causes the change of a value of the tension sensors above the rope pressing wheels, the pushing and sliding motion of a hydraulic supporting frame at the position of a chute where the rope pressing wheels are located is adjusted through the change of the value, and therefore the linearity of the scraper conveyer and the linearity of the working surface hydraulic supporting frame set are kept. Based on existing equipment, the steel wire rope and the multiple tension sensors are added, the modification amount is small, and the method is suitable for being popularized in a large range. The linearity is corrected by only considering the detected data of the tension sensors, and unattended and automatic operation can be achieved.
Description
Technical field
The present invention relates to a kind of bearing calibration of working surface hydraulic support group straightness accuracy, relate in particular to a kind of support group straightness accuracy bearing calibration of using tension pick-up.
Background technology
Coal-face is arranged in order and forms hydraulic support group at work plane by many hydraulic supports, realizes the support of face roof and the migration to scratch board conveyor (scraper-trough conveyer).In when work, in order to realize the normal operation of work plane, between a plurality of working surface hydraulic supports, need the straightness accuracy that keeps certain, a plurality of working surface hydraulic supports are substantially on same straight line.Meanwhile, in coal mining process, scratch board conveyor is the track of coal-winning machine operation, thus at the straightness accuracy of working surface hydraulic support, be the prerequisite that guarantees scratch board conveyor straightness accuracy, finally for coal-winning machine thereon reaches good coal cutting effect.
In the prior art, the control of straightness accuracy relies on the passing stroke of stroke sensor to judge substantially, there is no a set of verification feedback mechanism, once stroke sensor breaks down, make very much the straightness accuracy generation relatively large deviation of each hydraulic support and scratch board conveyor, serious also can bring down-hole accident, brings serious impact to the normal mining work of work plane.
It is three straight that fully-mechanized mining working requires: support is straight, scraper-trough conveyer is straight, rib is straight, coal-winning machine is walked on scraper-trough conveyer, scraper-trough conveyer is directly or not, determined that rib is directly or not, support is again to take scraper-trough conveyer as benchmark, the measurement that the stroke sensor of take moves frame stroke as measurement means with control therefore and can find out, it is on scraper-trough conveyer that work plane is looked for straight key point, scraper-trough conveyer has played the effect of forming a connecting link.
For this reason, a kind of safe and reliable working surface hydraulic support straightness accuracy control system of development is badly in need of in this area, is used for adjusting comparatively accurately and easily the straightness accuracy of working surface hydraulic support group.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of method of using tension pick-up correction work face hydraulic support group straightness accuracy,
The wire rope of a tension is set between the head of scratch board conveyor and tail; On scratch board conveyor, at interval of certain distance, two press rope wheels are set, described wire rope is between two press rope wheels, and the top of two press rope wheels arranges tension pick-up; In the course of the work, one of them of wire rope and two press rope wheels comes in contact the tension pick-up numerical value change causing on it, by described numerical value change, adjust the pushing and sliding of the hydraulic support at this chute place, press rope wheel place and move, thereby keep the straightness accuracy of scratch board conveyor to keep the straightness accuracy of working surface hydraulic support group with this.
Preferably described two press rope wheels are the first press rope wheel and the second press rope wheel, and wherein the first press rope wheel is near coal-face one side setting, and the second press rope wheel is away from coal-face one side setting.
The invention has the advantages that: on the basis of existing equipment, only need to increase a wire rope and several tension pick-up, transformation amount is little, is applicable to large-scale popularization; The detection data that the correction of straightness accuracy only needed to consider to tension pick-up, can realize unattended automation mechanized operation.
Accompanying drawing explanation
Accompanying drawing 1 is the executive system structure diagram (normal condition) of the method for use tension pick-up correction work face hydraulic support group straightness accuracy of the present invention;
The executive system structure diagram of the method that accompanying drawing 2 is use tension pick-up correction work face hydraulic support group straightness accuracy of the present invention (comprise pushing and sliding cross position and pushing and sliding state not in place);
Accompanying drawing 3 is the schematic diagram of tension pick-up device in the method for the invention.
Reference numeral is as follows:
1-wire rope; 2-the first press rope wheel; 3-the second press rope wheel; 4-tension pick-up; 5-spring; 6-hydraulic jack.
The specific embodiment
Below in conjunction with accompanying drawing, the system of use tension pick-up correction work face hydraulic support group straightness accuracy of the present invention is described in detail.Referring to accompanying drawing 1, use the system of tension pick-up correction work face hydraulic support group straightness accuracy to comprise scratch board conveyor (not shown), between the head of scratch board conveyor and tail, be provided with the wire rope of a tension, preferably wire rope one end is fixed, the other end is by spring connecting fluid compressing cylinder, by hydraulic jack, adjust the length of wire rope, the adjusting by spring prevents wire rope tension tension, scratch board conveyor comprises more piece chute, every 10～20 joint chutes, a set of tension pick-up device is set, referring to accompanying drawing 3, tension pick-up device comprises two press rope wheels and is arranged on two tension pick-ups on press rope wheel, wherein press rope wheel can be set directly on chute, in two press rope wheels, press rope wheel near coal-face one side is the first press rope wheel, the press rope wheel of opposite side is the second press rope wheel, wire rope is arranged between two press rope wheels, for guaranteeing that wire rope does not shake in the course of the work or floating, extra rope press device can be set, as buckle etc., rope press device can be arranged on every joint chute.
In the course of the work, initial state as shown in Figure 1, wire rope is between two press rope wheels, in tension pick-up, there is no numerical value, after digging after a while, the position of each chute of scratch board conveyor changes, thereby the position of press rope wheel is changed, as shown in Figure 2, when the situation of position is crossed in generation pushing and sliding, wire rope pushes the second press rope wheel, thereby bring certain numerical value change to tension pick-up, when there is pushing and sliding situation not in place, wire rope pushes the first press rope wheel, thereby bring certain numerical value change to tension pick-up, the positive and negative difference of both numerical value, thereby can judge accurately the pushing and sliding situation at this tension sensing device place.In the course of the work, by described numerical value change, adjusting the pushing and sliding of the hydraulic support at this chute place, press rope wheel place moves, while crossing as there are pushing and sliding when somewhere, control near the hydraulic support rollback in this place, when somewhere generation pushing and sliding are not in place, control near the hydraulic support benefit in this place and push away, until the numerical value of the tension pick-up at this place is normal, thereby keep the straightness accuracy of scratch board conveyor to keep the straightness accuracy of working surface hydraulic support group with this.
Each tension pick-up connects control cabinet, its tension variation situation is transferred to work plane control system by control cabinet, work plane control system basis everywhere tension force situation drives each hydraulic support to supplement pushing and sliding, the numerical value that finally makes each tension pick-up is all zero, in the wire rope state between two press rope wheels just, scratch board conveyor integral body is maintained on the straight line of its head and tail restriction, thereby make the hydraulic support of work plane also can be maintained in straight line, keep satisfied straightness accuracy.
The above; it is only the preferably specific embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with in technical scope that those skilled in the art disclose in patent of the present invention; the variation that can expect easily or replacement, within all should being encompassed in the protection domain of patent of the present invention.
Claims (2)
1. a method of using tension pick-up correction work face hydraulic support group straightness accuracy, is characterized in that:
The wire rope of a tension is set between the head of scratch board conveyor and tail;
On scratch board conveyor, at interval of certain distance, tension pick-up device is set, described tension pick-up device comprises two press rope wheels, and described wire rope is between two press rope wheels, and the top of two press rope wheels arranges tension pick-up;
In the course of the work, one of them of wire rope and two press rope wheels comes in contact the tension pick-up numerical value change causing on it, by described numerical value change, adjust the pushing and sliding of the hydraulic support at this chute place, press rope wheel place and move, thereby keep the straightness accuracy of scratch board conveyor to keep the straightness accuracy of working surface hydraulic support group with this.
2. the method for use tension pick-up correction work face hydraulic support group straightness accuracy as claimed in claim 1, it is characterized in that: described two press rope wheels are the first press rope wheel and the second press rope wheel, wherein the first press rope wheel is near coal-face one side setting, and the second press rope wheel is away from coal-face one side setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103883.9A CN103993897B (en) | 2014-03-19 | 2014-03-19 | A kind of method that uses tension pick-up correction work face hydraulic support group linearity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103883.9A CN103993897B (en) | 2014-03-19 | 2014-03-19 | A kind of method that uses tension pick-up correction work face hydraulic support group linearity |
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| CN103993897A true CN103993897A (en) | 2014-08-20 |
| CN103993897B CN103993897B (en) | 2016-05-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895771A (en) * | 2017-04-18 | 2017-06-27 | 山东科技大学 | A kind of coal mine hydraulic supporting arranges linearity testing apparatus |
| CN108106569A (en) * | 2017-11-28 | 2018-06-01 | 北京天地玛珂电液控制系统有限公司 | A kind of fully-mechanized mining working Linearity surveying method and system of view-based access control model |
| CN112196593A (en) * | 2020-10-09 | 2021-01-08 | 山东科技大学 | Hydraulic support straightness detection device and working method thereof |
| CN115289956A (en) * | 2022-10-10 | 2022-11-04 | 太原向明智控科技有限公司 | Fault detection method and system for stroke sensor of mining hydraulic support |
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| CN102661162A (en) * | 2012-05-10 | 2012-09-12 | 北京天地玛珂电液控制系统有限公司 | Coalface straightness control method |
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| CN203461470U (en) * | 2013-02-28 | 2014-03-05 | 宝山钢铁股份有限公司 | Belt conveyer spillage detection device |
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| RU2249700C1 (en) * | 2004-01-26 | 2005-04-10 | Институт горного дела Сибирского отделения Российской Академии наук (статус государственного учреждения) | Complex for extraction of ore from support trench blocks |
| CN2825954Y (en) * | 2005-07-01 | 2006-10-11 | 李泽宇 | Support-moving reference apparatus for hydraulic support with slip roof timber |
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| CN203461470U (en) * | 2013-02-28 | 2014-03-05 | 宝山钢铁股份有限公司 | Belt conveyer spillage detection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895771A (en) * | 2017-04-18 | 2017-06-27 | 山东科技大学 | A kind of coal mine hydraulic supporting arranges linearity testing apparatus |
| CN108106569A (en) * | 2017-11-28 | 2018-06-01 | 北京天地玛珂电液控制系统有限公司 | A kind of fully-mechanized mining working Linearity surveying method and system of view-based access control model |
| CN112196593A (en) * | 2020-10-09 | 2021-01-08 | 山东科技大学 | Hydraulic support straightness detection device and working method thereof |
| CN115289956A (en) * | 2022-10-10 | 2022-11-04 | 太原向明智控科技有限公司 | Fault detection method and system for stroke sensor of mining hydraulic support |
| CN115289956B (en) * | 2022-10-10 | 2022-12-23 | 太原向明智控科技有限公司 | Fault detection method and system for stroke sensor of mining hydraulic support |
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| Publication number | Publication date |
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| CN103993897B (en) | 2016-05-18 |
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Address after: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Address before: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |
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