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CN102392666B - Protective profile - Google Patents

Protective profile Download PDF

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Publication number
CN102392666B
CN102392666B CN201110183717.0A CN201110183717A CN102392666B CN 102392666 B CN102392666 B CN 102392666B CN 201110183717 A CN201110183717 A CN 201110183717A CN 102392666 B CN102392666 B CN 102392666B
Authority
CN
China
Prior art keywords
section bar
protection section
valve group
valve
connector
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.)
Expired - Fee Related
Application number
CN201110183717.0A
Other languages
Chinese (zh)
Other versions
CN102392666A (en
Inventor
马丁·路透
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marco Systemanalyse und Entwicklung GmbH
Original Assignee
Marco Systemanalyse und Entwicklung GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marco Systemanalyse und Entwicklung GmbH filed Critical Marco Systemanalyse und Entwicklung GmbH
Publication of CN102392666A publication Critical patent/CN102392666A/en
Application granted granted Critical
Publication of CN102392666B publication Critical patent/CN102392666B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/003Housing formed from a plurality of the same valve elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/12Covers for housings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Valve Housings (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Magnetically Actuated Valves (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Glass Compositions (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

The present invention relates to a protective profile which is provided with electric control components on a front surface, wherein the electric control components are used for controlling electric control devices which are integrated in the protective profile.

Description

Protection section bar
Technical field
The present invention relates to a kind of protection section bar of the valve group for the work plane sectional shelf-unit at underground mining; valve group has the valve cell of multiple hydraulic pressure; by be arranged side by side and be fixed on the solenoid control valve cell in valve group; wherein; protection section bar disposes machanical fastener, to produce and be fixedly connected with valve group.
Background technology
This protection section bar is disclosed by DE102006053628A1, and has the machanical fastener of multiple screw-type, utilizes these screws in the time of underground mining, protection section bar to be fixed in the valve group of work plane control appliance.This valve group has the valve cell of multiple hydraulic pressure, comes control valve unit by the electromagnetic valve being arranged side by side and be fixed in valve group.This known protection section bar is for the protection of various control cables, and these cables guide to respectively electromagnetic valve from a control group.
Summary of the invention
The object of the invention is to, propose a kind of with low cost, can simply assemble and control device that can simple operations, utilize this control device can in underground mining, control work plane sectional shelf-unit.
This object realizes by the protection section bar of the valve group of the work plane sectional shelf-unit at underground mining.Valve group has the valve cell of multiple hydraulic pressure, by be arranged side by side and be fixed on the solenoid control valve cell in valve group, wherein, protection section bar disposes machanical fastener, to produce and be fixedly connected with valve group, protection section bar has electric operating element on the front of protection section bar, electronic-controlled installation is integrated in protection section bar, utilize electronic-controlled installation in the situation that making electricity consumption operating element, can control work plane sectional shelf-unit towards the right or work plane sectional shelf-unit towards the left side, protection section bar has at least one electric plug connector and communicates by letter for the sectional shelf-unit adjacent with the right adjacent with the left side, and protection section bar has the plug-in connector on the back side that is integrated in protection section bar, plug-in connector can all insert in the plug-in connector of electromagnetic valve simultaneously.
According to the present invention; described known, in the prior art only for the protection of electric wire with for indicating the protection section bar of switching function; on its front, configured electric operating element, by means of these elements can control integration to the electronic-controlled installation in protection section bar.At this, electronic-controlled installation designs like this, can be by means of electric operating element control work plane sectional shelf-unit towards the right or work plane sectional shelf-unit towards the left side.For this reason, protection section bar also has at least one electric plug connector, and the sectional shelf-unit that sectional shelf-unit that can be adjacent with the left side by means of this electric plug connector is adjacent with the right is communicated by letter.Finally, be provided with the plug-in connector on the back side that is integrated in protection section bar.This plug-in connector is arranged on protection section bar like this, gets final product so that all plug-in connectors insert in the corresponding plug-in connector of electromagnetic valve of valve group simultaneously.
Utilize according to of the present invention, the integrated therein protection section bar of electronic-controlled installation, although only can realize limited operating function.But therefore realize a kind of backplate control (Schildsteuerung), it is highly beneficial, and in operation-due to the limited amount of operating element-very simple, and it can be assembled in valve group very fast and simply, and do not need to add otherwise may be easy to the stube cable damaging.By with the possibility of communicating by letter of the work plane sectional shelf-unit left side or the right, the work plane control therefore realizing is many-sided.
In order to assemble and to be electrically connected according to protection section bar of the present invention simultaneously, this section bar must only utilize its plug-in connector to be inserted in the corresponding plug-in connector of electromagnetic valve, wherein, and then can realize and being fixed on safely in valve group by means of machanical fastener.By by the connection of stretching from the work plane sectional shelf-unit on the left side or the right, comprise the electric wire of data wire and supply lines; can make the protection section bar according to the present invention control device integrated with it be connected with two adjacent stents of protection section bar together, and section bar can be controlled this two adjacent stents selectively.In the same way can be from the electromagnetic valve of adjacent stent control valve group, this operating element that passes through attached troops to a unit protection section bar itself is impossible realize according to miner's regulation.
Favourable embodiment has been described in manual, accompanying drawing and dependent claims.
According to a first favourable embodiment, also can control selectively more next work plane sectional shelf-unit towards the right or towards the left side by means of electronic-controlled installation and operating element, further improve thus the flexibility of controlling.At this, for controlling the left side or the right adjacent component or for selecting again the operating element of the adjacent component next left side or the right to there is electronics locking function, thereby always relate to desirable work plane sectional shelf-unit when next operating element is handled.
Can be advantageously, protection section bar according to the present invention has also configured warning device, for example alarm lamp or audio signal transmitter, it for example can be arranged on protection section bar in right side and/or left side.In this way maintain simple backplate control, while utilizing this backplate to be controlled at power bracket to reduce, still provide basic selection to operation possibility.
In addition also can be advantageously; all electric operating elements are arranged side by side substantially; this is because in this case, and protection section bar can design has very little height, thereby can also arrive well other region of valve group or the manual operating element of electromagnetic valve.
The embodiment favourable according to another, protection section bar is the sheet metal bending part that is essentially U-shaped, its overleaf a side utilize wall sealing.Electric plug connector can be integrated in this wall.By protection section bar is designed to sheet metal bending part, it very firmly can be designed.Based on U-shaped design, electronic-controlled installation can be arranged on well to protection section bar inside simultaneously.
The embodiment favourable according to another, a protection section bar overleaf side has integrated spacing washer, and it stretches out from the back side of protection section bar, and for example can be resisted against on electromagnetic valve under the state assembling.Guarantee thus in the time laying machanical fastener, protection section bar and have between the valve group of electromagnetic valve and just there is applicable spacing, and can not work the mischief to electrically contacting.
According to another viewpoint of the present invention, the present invention relates to a kind of valve group of aforementioned type, it has arrangement protection section bar thereon, wherein realizes and settling thus, protects the plug-in connector of section bar to insert in the plug-in connector of electromagnetic valve.In this embodiment of the present invention; might not machanical fastener be set on section bar in protection, and this embodiment for example can be used as emergent control while for example whether damaging according to the electronic-controlled installation of protection section bar of the present invention must check.
According to a favourable embodiment, in valve group, can fix at least one electric plug connector, sectional shelf-unit adjacent with the left side control cables or that the right is adjacent can be connected respectively by this electric plug connector, wherein in control cables, can certainly comprise the electric wire for powering.Utilize this embodiment also to guarantee, but protection section bar form one self, can simply assemble and self handle unit, on this unit, be not fixed with cable.
Brief description of the drawings
Next, pure exemplarily according to a favourable embodiment and with reference to the accompanying drawings to describe the present invention.Shown in figure:
Fig. 1 is the phantom drawing of protection section bar;
Fig. 2 is elevation, top view and the lateral view of the protection section bar in Fig. 1;
Fig. 3 is the phantom drawing of the protection section bar in Fig. 1 and Fig. 2, and this protection section bar is fixed in the valve group with electromagnetic valve; And
Fig. 4 is the amplification sectional view through the device in Fig. 3.
Detailed description of the invention
Fig. 1 shows the phantom drawing for the protection section bar 10 of the valve group 12 shown in Fig. 3, and this valve group has the valve cell 14,16 of the hydraulic pressure of multiple valve filter core forms, and these valve cells insert valve group in parallel to each other from the front of valve group 12.On the end face of valve group 12, fixed multiple, be 11 electromagnetic valves 18 altogether in the illustrated embodiment, they have is square housing substantially, and side against laterally side by side order arrange.Electromagnetic valve 18 is for controlling the valve cell 14 and 16 and can have pre-control valve of hydraulic pressure.
As shown in Figures 2 and 4, the cross section of protection section bar is designed to U-shaped substantially, and wherein, the free end of upper supporting leg has been bent downwardly 90 °, to be configured for the butting section of rear wall 20.The sheet metal bending part that protection section bar 10 is designed to for example be made up of stainless steel; and in an illustrated embodiment; protection section bar downside on, namely descend on supporting leg; weld altogether the machanical fastener of four screw sheel 22 forms; bolt 24 inserts through these screw sheels, and these bolts can be screwed into valve group 12 from the front of valve group.
On the upper supporting leg of protection section bar 10, designed the spacing washer 26 of multiple ligulates, they are resisted against on electromagnetic valve 18 in the state of assembling (Fig. 3), are resisted against all the time or rather between two manual operating elements 28,29 of electromagnetic valve.
There is a control circuit board 30 inside at protection section bar 10; it is parallel to protects the front of section bar 10 to extend; and arrange electronic-controlled installation 32 thereon; utilize this electronic-controlled installation can realize backplate control in the situation that using operating element 34, these operating elements are arranged side by side on the front of protection section bar 10.Therefore electronic-controlled installation 32 is integrated in protection section bar 10, and it can control the work plane sectional shelf-unit that is arranged in the right or the left side.On the front of protection section bar 10, designed two options buttons 36 and 38 in order to select, they have electronics locking function.Can regulate like this electronic-controlled installation 32 by means of another key 40, electronic-controlled installation is not controlled adjacent backplate but is controlled next backplate towards the right or towards the left side again.In order to communicate by letter with adjacent work plane sectional shelf-unit, on the back side of protection section bar 10, design respectively electric plug connector 42,44.
In addition, on the back side of protection section bar 10, namely altogether integrated 11 electric plug connector 46(Fig. 4 in wall 20), these electric plug connectors can all insert corresponding plug-in connector 48(Fig. 4 of electromagnetic valve 18 simultaneously) in.As shown in Figure 4, the plug-in connector 46 of protection section bar 10 is integrated in wall 20 by joint ring, and the electrical interface of plug-in connector 46 contacts with circuit board 30.Similarly, the plug-in connector 48 of electromagnetic valve 18 seals by means of locking nut by joint ring, thereby in the state assembling, in the time that tongue 26 is resisted against on electromagnetic valve 18, these two plug-in connectors 46,48 are correctly in contact with one another.
All operating elements 34 to 40 can be designed to by usual way the Key element of membrane keyboard.In addition, alarm lamp and/or loudspeaker also can be integrated in protection section bar 10.In addition, on protection section bar 10, also can settle emergency stop switch.For the electric wire that leads to the sectional shelf-unit that the adjacent sectional shelf-unit in the left side is adjacent with the right being connected with protection section bar 10; in valve group 12 by installing plate 50(Fig. 3) fixed two other electric plug connectors 52 and 54; in the time that protection section bar is fixed in valve group in other words on electromagnetic valve 18, plug-in connector 42 and 44 actings in conjunction of these electric plug connectors and protection section bar 10.Can be by simply the electric plug connector of protection section bar 10 and electromagnetic valve 18 being inserted to realize fixing mutually.By being screwed into valve group 12, bolt 24 can realize additional safety.
As shown in Figure 4, for wall 20 and circuit board 30 are fixed on to the inside of protection section bar 10 and have arranged support section bar 56, it is supported on positive medial surface and is supported on two medial surfaces of supporting leg of protection section bar 10.Support section bar 56 and also there are two guide portion sections 58 and 60, wherein inserted the corresponding connecting portion section of rear wall 20.In the state shown in Fig. 4, filler has been poured into a mould in the inner space being made up of protection section bar 10 and rear wall 20.
As shown in last Fig. 3, protection section bar 10 has almost the same with valve group 12 width, and selects like this height of protection section bar 10, not only can arrive valve cell 14 and 16, can also manually handle operating element 28 and 29.In disassembly status, be fixed on protection section bar 10 without any cable, thereby can change and carry these cables in simple mode, and can not cause cable bad.

Claims (14)

1. the protection section bar (10) for the valve group (12) of the work plane sectional shelf-unit at underground mining, described valve group has the valve cell (14 of multiple hydraulic pressure, 16), control described valve cell by the electromagnetic valve (18) being arranged side by side and be fixed in described valve group, wherein, described protection section bar (10) disposes machanical fastener (22, 24), to produce and be fixedly connected with described valve group (12), it is characterized in that, described protection section bar (10) has electric operating element (34) on the front of described protection section bar, electronic-controlled installation (32) is integrated in described protection section bar (10), utilize described electronic-controlled installation using described electric operating element (34, 36, 38, 40) in situation, can control described work plane sectional shelf-unit towards the right or described work plane sectional shelf-unit towards the left side, described protection section bar (10) has at least one electric plug connector (42, 44) communicate by letter for the sectional shelf-unit adjacent with the right adjacent with the left side, and described protection section bar (10) has the plug-in connector (46) on the back side that is integrated in described protection section bar, described plug-in connector can all insert in the plug-in connector (48) of described electromagnetic valve (18) simultaneously.
2. protection section bar according to claim 1, is characterized in that, also can utilize described electronic-controlled installation (32) optionally to control next described work plane sectional shelf-unit again.
3. protection section bar according to claim 1 and 2, is characterized in that, warning device and/or emergency stop switch are integrated in described protection section bar.
4. protection section bar according to claim 1 and 2, is characterized in that, all electric operating elements (34,36,38,40) are arranged side by side substantially.
5. protection section bar according to claim 3, is characterized in that, all electric operating elements (34,36,38,40) are arranged side by side substantially.
6. protection section bar according to claim 1 and 2, is characterized in that, described protection section bar is the sheet metal bending part (10) that is essentially U-shaped, and a described sheet metal bending part overleaf side utilizes wall (20) sealing.
7. protection section bar according to claim 5, is characterized in that, described protection section bar is the sheet metal bending part (10) that is essentially U-shaped, and a described sheet metal bending part overleaf side utilizes wall (20) sealing.
8. protection section bar according to claim 1 and 2, is characterized in that, a described protection section bar overleaf side has integrated spacing washer (26).
9. protection section bar according to claim 7, is characterized in that, a described protection section bar overleaf side has integrated spacing washer (26).
10. the valve group (12) of the work plane control appliance in a underground mining; described valve group has the valve cell (14 of multiple hydraulic pressure; 16); control described valve cell by the electromagnetic valve (18) being arranged side by side and be fixed in described valve group (12); in described valve group, fixed according at least one described protection section bar (10) in aforementioned claim, this realizes by the plug-in connector of described protection section bar (46) being inserted in the plug-in connector (48) of described electromagnetic valve (18).
11. valve groups according to claim 10, is characterized in that, in described valve group (12), have fixed at least one electric plug connector, the sectional shelf-unit adjacent with the right adjacent with the left side control cables can be connected by described electric plug connector.
12. according to the valve group described in claim 10 or 11, it is characterized in that, described valve group has almost and the same width of described protection section bar (10).
13. according to the valve group described in claim 10 or 11, it is characterized in that, it is upper that described protection section bar (10) is fixed on described valve group (12) like this, and the spacing washer (26) being placed on described protection section bar (10) is resisted against on described electromagnetic valve (18).
14. valve groups according to claim 12, is characterized in that, it is upper that described protection section bar (10) is fixed on described valve group (12) like this, and the spacing washer (26) being placed on described protection section bar (10) is resisted against on described electromagnetic valve (18).
CN201110183717.0A 2010-07-05 2011-06-30 Protective profile Expired - Fee Related CN102392666B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010026075.4 2010-07-05
DE102010026075.4A DE102010026075B4 (en) 2010-07-05 2010-07-05 Protection profile and thus provided valve block

Publications (2)

Publication Number Publication Date
CN102392666A CN102392666A (en) 2012-03-28
CN102392666B true CN102392666B (en) 2014-06-18

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Application Number Title Priority Date Filing Date
CN201110183717.0A Expired - Fee Related CN102392666B (en) 2010-07-05 2011-06-30 Protective profile

Country Status (5)

Country Link
CN (1) CN102392666B (en)
DE (1) DE102010026075B4 (en)
PL (1) PL213624B1 (en)
RU (1) RU2471073C1 (en)
UA (1) UA100792C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL71744Y1 (en) * 2018-03-29 2021-01-11 Centrum Hydrauliki Doh Spolka Z Ograniczona Odpowiedzialnoscia Control panel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU826970A3 (en) * 1978-01-10 1981-04-30 Геверкшафт Эйзенхютте Вестфалия (Фирма) Control block for hydraulic cylinders of mine supports
US4378027A (en) * 1980-04-02 1983-03-29 Gewerkschaft Eisenhutte Westfalia Control unit for an electro-hydraulic roof support control arrangement
FR2550830A1 (en) * 1983-08-19 1985-02-22 Pernaton Andre Remote electrical and independent control of hydraulic systems in an explosive atmosphere
PL162692B1 (en) * 1988-10-20 1993-12-31 Hemscheidt Maschf Hermann Monitoring device for hydraulic units of the self-advancing support
DE19751007A1 (en) * 1997-11-18 1999-05-20 Dbt Autom Gmbh Control unit for electro-hydraulic long-wall face support equipment e.g. for mining machine
GB2443913A (en) * 2006-11-14 2008-05-21 Marco Systemanalyse Entw Valve unit with housing valve blocks and control block
CN201103401Y (en) * 2007-10-24 2008-08-20 中国航天科技集团公司烽火机械厂 Electric-hydraulic control device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801617C2 (en) * 1988-01-21 1996-04-18 Westfalia Becorit Ind Tech Emergency control device for electro-hydraulic expansion controls
DE3838457A1 (en) * 1988-11-12 1990-05-23 Hemscheidt Maschf Hermann Electrohydraulic control device with protective keyboard sheet
DE3917528A1 (en) * 1989-05-30 1990-12-06 Kloeckner Becorit Gmbh Electrical control of solenoid-actuated hydraulic valves - has stacked construction with control unit located on top of unit
JPH10132122A (en) * 1996-10-25 1998-05-22 Aisin Seiki Co Ltd Solenoid valve unit
DE10106272C1 (en) * 2001-02-01 2002-07-04 Siemens Ag Distribution system for energy technology to supply electrical consumers
DE10107239A1 (en) * 2001-02-16 2002-08-29 Wabco Gmbh & Co Ohg Control device for pressure medium
DE10215576C1 (en) * 2002-04-10 2003-10-23 Dbt Autom Gmbh Electro-hydraulic control device
US6929031B2 (en) * 2003-03-28 2005-08-16 Eaton Corporation Electro-hydraulic manifold assembly with lead frame mounted pressure sensors

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU826970A3 (en) * 1978-01-10 1981-04-30 Геверкшафт Эйзенхютте Вестфалия (Фирма) Control block for hydraulic cylinders of mine supports
US4378027A (en) * 1980-04-02 1983-03-29 Gewerkschaft Eisenhutte Westfalia Control unit for an electro-hydraulic roof support control arrangement
FR2550830A1 (en) * 1983-08-19 1985-02-22 Pernaton Andre Remote electrical and independent control of hydraulic systems in an explosive atmosphere
PL162692B1 (en) * 1988-10-20 1993-12-31 Hemscheidt Maschf Hermann Monitoring device for hydraulic units of the self-advancing support
DE19751007A1 (en) * 1997-11-18 1999-05-20 Dbt Autom Gmbh Control unit for electro-hydraulic long-wall face support equipment e.g. for mining machine
GB2443913A (en) * 2006-11-14 2008-05-21 Marco Systemanalyse Entw Valve unit with housing valve blocks and control block
CN101182892A (en) * 2006-11-14 2008-05-21 玛珂系统分析和开发有限公司 Valve cell
CN201103401Y (en) * 2007-10-24 2008-08-20 中国航天科技集团公司烽火机械厂 Electric-hydraulic control device

Also Published As

Publication number Publication date
CN102392666A (en) 2012-03-28
DE102010026075A1 (en) 2012-01-05
UA100792C2 (en) 2013-01-25
PL213624B1 (en) 2013-04-30
DE102010026075B4 (en) 2015-11-26
RU2471073C1 (en) 2012-12-27
PL395329A1 (en) 2012-01-16

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