CN103912293A - System using tension sensors for controlling straightness of working surface hydraulic support group - Google Patents
System using tension sensors for controlling straightness of working surface hydraulic support group Download PDFInfo
- Publication number
- CN103912293A CN103912293A CN201410103877.3A CN201410103877A CN103912293A CN 103912293 A CN103912293 A CN 103912293A CN 201410103877 A CN201410103877 A CN 201410103877A CN 103912293 A CN103912293 A CN 103912293A
- Authority
- CN
- China
- Prior art keywords
- tension
- hydraulic support
- tension pick
- support group
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Conveyors (AREA)
- Drives For Endless Conveyors (AREA)
Abstract
A system using tension sensors for controlling the straightness of a working surface hydraulic support group comprises a scraper conveyor. A tension steel rope is arranged between the head and tail of the scraper conveyor. The scraper conveyor comprises a plurality of chutes, one tension sensor device is arranged at intervals of N chutes and comprises two rope pressing pulleys and a tension sensor arranged on the two rope pressing pulleys, and the steel rope is arranged between the two rope pressing pulleys. The system is simple in structure, convenient to use, and low in failure rate; only one steel rope and the tension sensors are arranged additionally on the basis of existing equipment, optimizing amount is small, and the system is adaptive to large-scale promotion; only detection data of the tension sensors are considered as required during calibration of the straightness, and automatic operation in an unattended manner can be realized.
Description
Technical field
The present invention relates to a kind of corrective system of working surface hydraulic support group straightness accuracy, relate in particular to a kind of support group straightness accuracy corrective system that uses 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 to 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 multiple working surface hydraulic supports, need the straightness accuracy that keeps certain, multiple 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 be the prerequisite that guarantees scratch board conveyor straightness accuracy at the straightness accuracy of working surface hydraulic support, 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, the serious down-hole accident that also can bring, 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, determine that rib is directly or not, support is again take scraper-trough conveyer as benchmark, move the measurement of frame stroke take stroke sensor as measurement means and therefore can find out with control, it is on scraper-trough conveyer that work plane is looked for straight key point, and 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, a kind of system that uses tension pick-up correction work face hydraulic support group straightness accuracy that the present invention proposes, comprises scratch board conveyor, is provided with the wire rope of a tension between the head of described scratch board conveyor and tail; Described scratch board conveyor comprises more piece chute, every N joint chute, a set of tension pick-up device is set, described tension pick-up device comprises two press rope wheels and be arranged on the tension pick-up on described two press rope wheels, and described wire rope is arranged between described two press rope wheels.
Preferred described N is the integer between 10～20.
Preferred described wire rope one end is fixed, and the other end is by spring connecting fluid compressing cylinder.
On the described chute of preferred every joint, be provided with rope press device.
Preferably also comprise control cabinet.
The invention has the advantages that: simple in structure, easy to use, failure rate is low; On the basis of existing equipment, only needing increases a wire rope and several tension pick-up, and 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 structure diagram (normal condition) of the system of use tension pick-up correction work face hydraulic support group straightness accuracy of the present invention;
The structure diagram of the system 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 of the present 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, adjust the length of wire rope by hydraulic jack, prevent wire rope tension tension by the adjusting of spring, 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 or floating in the course of the work, 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, in the time that 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, in the time 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.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 entirety 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 (5)
1. a system that uses tension pick-up correction work face hydraulic support group straightness accuracy, comprises scratch board conveyor, it is characterized in that:
Between the head of described scratch board conveyor and tail, be provided with the wire rope of a tension;
Described scratch board conveyor comprises more piece chute, every N joint chute, a set of tension pick-up device is set, described tension pick-up device comprises two press rope wheels and be arranged on the tension pick-up on described two press rope wheels, and described wire rope is arranged between described two press rope wheels.
2. the system that uses as claimed in claim 1 tension pick-up correction work face hydraulic support group straightness accuracy, is characterized in that: described N is the integer between 10～20.
3. the system that uses as claimed in claim 1 tension pick-up correction work face hydraulic support group straightness accuracy, is characterized in that: described wire rope one end is fixed, and the other end is by spring connecting fluid compressing cylinder.
4. the system that uses as claimed in claim 1 tension pick-up correction work face hydraulic support group straightness accuracy, is characterized in that: on the described chute of every joint, be provided with rope press device.
5. the system that uses as claimed in claim 1 tension pick-up correction work face hydraulic support group straightness accuracy, is characterized in that: also comprise control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103877.3A CN103912293B (en) | 2014-03-19 | 2014-03-19 | A kind of system that uses tension pick-up correction work face hydraulic support group linearity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103877.3A CN103912293B (en) | 2014-03-19 | 2014-03-19 | A kind of system that uses tension pick-up correction work face hydraulic support group linearity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912293A true CN103912293A (en) | 2014-07-09 |
| CN103912293B CN103912293B (en) | 2016-05-18 |
Family
ID=51038258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410103877.3A Active CN103912293B (en) | 2014-03-19 | 2014-03-19 | A kind of system that uses tension pick-up correction work face hydraulic support group linearity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912293B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837399A (en) * | 2017-02-09 | 2017-06-13 | 宁夏百辰工业产品设计有限公司 | A kind of hydraulic support lift work winding displacement deviation eliminating device |
| CN114194231A (en) * | 2021-12-24 | 2022-03-18 | 杭州申昊科技股份有限公司 | Railway power grid inspection robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3677597A (en) * | 1996-09-07 | 1998-03-12 | Caterpillar Global Mining Europe Gmbh | Method and device for monitoring the load on hydraulic powered shield supports for underground mining |
| WO2004099628A1 (en) * | 2003-05-08 | 2004-11-18 | Dbt Gmbh | Valve for hydraulic props of shield-type support frames, and shield-type support frame |
| CN202325503U (en) * | 2011-11-10 | 2012-07-11 | 山东矿机集团股份有限公司 | Position adjustment push device for thin coal layer scraper conveyor |
| CN202718688U (en) * | 2012-08-02 | 2013-02-06 | 山东矿机集团股份有限公司 | Support deviation control device for tunnel |
-
2014
- 2014-03-19 CN CN201410103877.3A patent/CN103912293B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3677597A (en) * | 1996-09-07 | 1998-03-12 | Caterpillar Global Mining Europe Gmbh | Method and device for monitoring the load on hydraulic powered shield supports for underground mining |
| WO2004099628A1 (en) * | 2003-05-08 | 2004-11-18 | Dbt Gmbh | Valve for hydraulic props of shield-type support frames, and shield-type support frame |
| CN202325503U (en) * | 2011-11-10 | 2012-07-11 | 山东矿机集团股份有限公司 | Position adjustment push device for thin coal layer scraper conveyor |
| CN202718688U (en) * | 2012-08-02 | 2013-02-06 | 山东矿机集团股份有限公司 | Support deviation control device for tunnel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837399A (en) * | 2017-02-09 | 2017-06-13 | 宁夏百辰工业产品设计有限公司 | A kind of hydraulic support lift work winding displacement deviation eliminating device |
| CN114194231A (en) * | 2021-12-24 | 2022-03-18 | 杭州申昊科技股份有限公司 | Railway power grid inspection robot |
| CN114194231B (en) * | 2021-12-24 | 2023-01-10 | 杭州申昊科技股份有限公司 | Railway power grid inspection robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912293B (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661162B (en) | Coalface straightness control method | |
| CA3027823C (en) | Automatic straightening device and method for scraper conveyor on fully-mechanized coal mining face based on tensile and compressive force sensors | |
| CN102431784B (en) | Attitude control system and method based on wireless three-dimensional gyroscope technology for scraper conveyer | |
| AU2015383067B2 (en) | Apparatus and method for automatically straightening conveyor body of scraper conveyor of fully mechanized coal mining face | |
| CN103993897B (en) | A kind of method that uses tension pick-up correction work face hydraulic support group linearity | |
| CN101358532B (en) | Shield support | |
| CN109736868B (en) | Fully mechanized mining face hydraulic support push rod pose sensing device, fully mechanized mining face hydraulic support push rod mechanism and fully mechanized mining face hydraulic support push rod method | |
| CN103244163A (en) | Working surface hydraulic support with array proximity sensing devices and linearity control method of hydraulic support | |
| CN202296126U (en) | Automatic deviation-correcting device for conveyer belt | |
| CN103912293A (en) | System using tension sensors for controlling straightness of working surface hydraulic support group | |
| CN104925460B (en) | A kind of the middle pan of scraper conveyor rotation angle detecting apparatus | |
| CN103912296B (en) | A kind of mining face equipment alignment system based on image measurement | |
| CN104131814B (en) | Coal rock for coal cutter interface simulation experimental facilities | |
| CN103912298A (en) | Method for using encoder to correct the straightness of working face hydraulic support group | |
| CN103802901A (en) | Crawler type excavator capable of detecting tensioning degree of crawler | |
| CN203714730U (en) | Novel belt anti-skid device | |
| CN103912294B (en) | A kind of working surface hydraulic support group linearity control method that uses optical fiber | |
| CN103912297B (en) | A kind of working surface hydraulic support group linearity control system that uses optical fiber | |
| CN103086119A (en) | Passive correcting device with two degrees of freedom | |
| CN103922080B (en) | A kind of fully-mechanized mining working automatic takeup and control method thereof | |
| CN203173438U (en) | Cigarette turnover device for cigarette conveying equipment | |
| CN202022613U (en) | Double-roller centering and rectifying device | |
| CN203948100U (en) | Coal-winning machine coal-rock interface analogue experiment installation | |
| CN201670522U (en) | Intelligent misaligned belt adjusting conveyer | |
| CN104692080A (en) | Method and device used for detecting slip of belt machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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. |