CN107152297A - One kind is floating to shake formula hydraulic support - Google Patents
One kind is floating to shake formula hydraulic support Download PDFInfo
- Publication number
- CN107152297A CN107152297A CN201610117149.7A CN201610117149A CN107152297A CN 107152297 A CN107152297 A CN 107152297A CN 201610117149 A CN201610117149 A CN 201610117149A CN 107152297 A CN107152297 A CN 107152297A
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- Prior art keywords
- jointed shaft
- base
- raising bracket
- caving shield
- support
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- 238000007667 floating Methods 0.000 title claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 9
- 238000005065 mining Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Floated the present invention relates to one kind and shake formula hydraulic support, including back timber, caving shield, raising bracket, base, adjusts jack, two suspension hydraulic vertical props, bottom lifting device, push unit, drag conveyor, wall supporting device, telescopic boom device, hydraulic control valve group, valve group support, front gap bridge, rear gap bridge, jointed shaft after jointed shaft before base, base, raising bracket jointed shaft and caving shield jointed shaft；The bottom left and right ends face of described raising bracket is respectively provided with two mounting holes arranged side by side along its width, and the rear portion of base is removably installed in by jointed shaft after jointed shaft before base and base.It is a kind of it is floating shake formula hydraulic support and be adapted to the mechanical chemical industry of performing comprehensive coal mining of underground coal mine make face；Modularized design, standardized designs, Seriation Design and integrative assembly are realized, and it is big with working space, and draught area is big, safe and reliable, the advantages of stability is good, with wide applicability.
Description
Technical field
Formula hydraulic support is shaken the present invention relates to one kind is floating, the mechanical chemical industry of the underground coal mine performing comprehensive coal mining that is particularly suitable for use in makees the roof timbering in face, be also applied for other needing the occasion of supporting.
Background technology
Mine support equipment is one of essential equipment of underground coal mine.The support apparatus used in colliery mainly has the hydraulic support of quadric chain, and the movement locus of double leval jib hydraulic support top beam is a lemniscate, is specifically shown in what Coal Industry Press was published in 1993《Coal mine support handbook》The Eleventh Five-Year Plan institution of higher education national planning teaching material that Section of three content of 5th chapter 3 and publishing house of China Mining University published in 2010《Mining machinery》On support apparatus content in one book.Double leval jib hydraulic support originates in the sixties in last century, starts the end of the seventies to introduce China's coal-mine industry.The problem of double leval jib hydraulic support is present：One：Working space is small, and draught area is small, and poor safety performance, performance is poor, maintenance maintenance inconvenience；Two：Because its back timber movement locus is a lemniscate, to carry out one-to-one redesign when using every time, trial-production and performance detection, by detect it is qualified after, finally the manufacturing of hydraulic support could be carried out, under production efficiency is at a fairly low；Three：Due to the design feature of double leval jib hydraulic support, it can not realize modularized design, standardized designs and Seriation Design, and design efforts would is heavy, and the production cycle is long, and labor intensity is big, and production cost is high.The problem of based on existing double leval jib hydraulic support, change the technical principle and technical pattern of existing hydraulic support, have important practical significance and historic significance.
The content of the invention
Technical problem：The purpose of the present invention is that working space is big, has a safety feature, and one kind that production cost is low, performance is good is floating to shake formula hydraulic support there is provided a kind of structural manufacturing process is simple and reliable, supporting performance is advanced for problem present in prior art.
Technical scheme：One kind of the present invention is floating to shake formula hydraulic support, including back timber, caving shield, raising bracket, base, adjusts jack, two suspension hydraulic vertical props, bottom lifting device, push unit, drag conveyor, wall supporting device, telescopic boom device, hydraulic control valve group, valve group support, front gap bridge, rear gap bridge, jointed shaft after jointed shaft before base, base, raising bracket jointed shaft and caving shield jointed shaft；Described raising bracket upper end is hinged by raising bracket jointed shaft with caving shield lower end, and caving shield upper end is hinged by caving shield jointed shaft and back timber；Described hydraulic control valve group is connected as one with bolt with valve group support, and valve group support is welded as a whole with rear gap bridge；The bottom left and right ends face of described raising bracket is respectively provided with two mounting holes arranged side by side along its width, and the rear portion of base is removably installed in by jointed shaft after jointed shaft before base and base.
The raising bracket width is not less than the 1/4 of base width；The raising bracket has the length not less than one maximum step pitch of push unit.
It is described floating to shake the raising bracket that formula hydraulic support is equipped with more than 2 different heights.
The mounting hole of correspondence raising bracket is provided with axis hole on the base.
Described raising bracket is a steelwork component, is welded with steel plate, is drilled after welding and the processing operation such as Boring machine.
Jointed shaft after jointed shaft before described base, base, raising bracket jointed shaft, caving shield jointed shaft is two concentric short axles and the left and right sides is arranged symmetrically, and each jointed shaft is equipped with the parts for carrying out axially position.
Described back timber, caving shield, base, raising bracket, forward and backward gap bridge are welded by steel plate or shaped steel.
Described hydraulic control valve group is made up of one group of manual operating valve or electro-hydraulic Remote control valve etc..
Described regulation jack upper end is hinged with back timber, and lower end is hinged with caving shield.
Described regulation jack upper end is hinged with caving shield, and lower end is hinged with raising bracket.
Described regulation jack upper end is hinged with caving shield, and lower end is hinged with base.
Beneficial effect：A kind of floating key technology for shaking formula hydraulic support of the present invention is suspension hydraulic technique and secondary rocking bar technical principle, bracket upright post is suspension hydraulic vertical prop, and the connection of raising bracket and base is to be connected as one raising bracket with base with jointed shaft after jointed shaft before base and base；The characteristic pressed with shock resistance, improve the safety and stability of support, support basic structure is secondary rocking bar technical pattern, when a rocking bar rises to top plate, secondary rocking bar continues to make back timber swing along a circular arc line, and rocking bar has contacted top plate due to one time, so secondary rocking bar makes back timber be swung in less scope, therefore, the relative changing of the relative positions distance of set cap and top plate is zero, safe and effective to roof timbering and Surrounding Rock Control.One kind is floating, which to shake formula hydraulic support, realizes modularized design, standardized designs and Seriation Design, maximum height hydraulic support can cover the hydraulic support compared with low height in module, reduce intermediate link, improve production efficiency, production cost is reduced, the Rapid Popularization of hydraulic support can be achieved.Some modules are set according to coal mine roof plate pressure and height, each module designs some identical working resistances but highly different hydraulic support specifications, and height specification meets seriation standard, the principle of lower height support is covered with highest support, to the trial-production of maximum height specification sample rack, sample rack detection, peace mark evidence obtaining work, it is capped compared with small dimension support, middle production link is reduced, the production cycle is shortened.Major advantage has：
（1）It is of the invention a kind of floating to shake formula hydraulic support and realize modularized design, parts, can be made standard component by standardized designs and Seriation Design, and the support of the different height specification of standard series can be constituted according to coal seam situation, colliery needs any specification just to select any specification, improves production efficiency；
（2）Of the invention a kind of floating to shake formula hydraulic support and realize large-scale production, each parts can form production line, quickly and efficiently produced on a large scale with realizing, reach the purpose for meeting colliery large-scale promotion hydraulic support；
（3）A kind of floating formula hydraulic support working space that shakes of the invention is big, and draught area is big, can be used in Gas Outburst colliery, safe and reliable, stability is good, easy to use, with wide applicability.
（4）A kind of float of the invention shakes formula hydraulic support because having used secondary rocking bar technical principle, after a rocking bar reaches contact top plate, secondary rocking bar makes back timber quick and stable contact top plate, and the relative changing of the relative positions distance of back timber and top plate is substantially reduced compared with the changing of the relative positions distance of conventional hydraulic set cap and top plate, roof timbering and Surrounding Rock Control safety are improved.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the embodiment of the present invention.
Accompanying drawing 2 is the structural representation of mounting means one for adjusting jack.
Accompanying drawing 3 is the structural representation of mounting means two for adjusting jack.
In figure：Back timber -1, caving shield -2, raising bracket -3, base -4, regulation jack -5, two piece suspension hydraulic vertical prop -6, bottom lifting device -7, push unit -8, drag conveyor -9, wall supporting device -10, telescopic boom device -11, hydraulic control valve group -12, valve group support -13, jointed shaft -16 before front gap bridge -14, rear gap bridge -15, base, jointed shaft -17 after base, raising bracket jointed shaft -18, caving shield jointed shaft -19.
Embodiment
Embodiment：As shown in figure 1, one kind of the present invention is floating to shake formula hydraulic support, and mainly by back timber 1, caving shield 2, raising bracket 3, base 4 adjusts jack 5, two suspension hydraulic vertical props 6, bottom lifting device 7, push unit 8, drag conveyor 9, wall supporting device 10, telescopic boom device 11, hydraulic control valve group 12, valve group support 13, jointed shaft 16 before front gap bridge 14, rear gap bridge 15, base, jointed shaft 17 after base, raising bracket jointed shaft 18, the grade of caving shield jointed shaft 19 composition.Described back timber 1, caving shield 2, raising bracket 3, base 4 are welded by steel plate and shaped steel.Described front gap bridge 14 and rear gap bridge 15 is welded by steel plate and is welded as a whole with base 4.Described hydraulic control valve group 12 is made up of one group of manual operating valve or electro-hydraulic Remote control valve, pipe fitting etc., and hydraulic control valve group 12 is the manipulation center that support is respectively acted, manually actuated or electro-hydraulic remote control.Two described suspension hydraulic vertical props 6 are arranged in parallel between back timber 1 and base 4, upper end and the ball-joint of back timber 1 of two suspension hydraulic vertical props 6, lower end and the ball-joint of base 4.The described upper end of regulation jack 5 is hinged with caving shield 2, and lower end is hinged with base 4.Telescopic boom device 11 is provided with the described front end of back timber 1, the front end of telescopic boom device 11 is hinged with wall supporting panel assembly 10.The described upper end of caving shield 2 is hinged by caving shield jointed shaft 19 with the rear end of back timber 1, and lower end is hinged by the upper end of raising bracket jointed shaft 18 and raising bracket 3.Front gap bridge 14 and rear gap bridge 15 are welded with described base 4, front gap bridge 14 is provided with bottom lifting device 7, and rear gap bridge 15 is provided with the valve group support 13 for installing hydraulic control valve group 12；Described push unit 8 is located in base 4, and its two ends is hinged with the drag conveyor 9 in base 4 and coal-face respectively, and push unit 8 is the part for elapsing drag conveyor 9 and mobile hydraulic support.When two described suspension hydraulic vertical props stretch about 6, back timber 1 is swung up and down around the caving shield jointed shaft 19 of back timber 1 and caving shield 2；When described regulation jack stretches about 5, caving shield 2 is swung up and down around the raising bracket jointed shaft 18 of caving shield 2 and raising bracket 3.
Described regulation jack 5 can also be installed using following two ways：Mode one, the regulation upper end of jack 5 is hinged with back timber 1, and lower end is hinged with caving shield 2（As shown in Figure 2）.Mode two, the regulation upper end of jack 5 is hinged with caving shield 2, and lower end is hinged with raising bracket 3（As shown in Figure 3）.Both mounting means can simplify the structure of base 4 compared with the mounting means in Fig. 1, mitigate the weight of base 4.Although the first mounting means makes the more dependence suspension hydraulic vertical prop 6 of whole support, adds the burden of suspension hydraulic vertical prop 6, but regulation jack 5 can be made to be lifted with the lifting of whole support, and use is more flexible, facilitates the disassembling, assembling and replacing of raising bracket 3.Second of mounting means not only increases the support strength of caving shield 2, improves its bending resistance, and support pressure is passed to before base into jointed shaft 17 after jointed shaft 16 and base, improves the stability of raising bracket 3, strengthens its bending resistance and shearing strength.
Hydraulic control valve group 12 is manipulation and a kind of floating manipulation center for shaking formula hydraulic support of control, two suspension hydraulic vertical props 6, telescopic boom device 11, wall supporting device 10, push unit 8, bottom lifting device 7, regulation jack 5 on support etc. manipulate control by hydraulic control valve group 12, and hydraulic control valve group 12 is installed in rear gap bridge 15 by valve group support 13.
The course of work：
When support rises frame, by operating hydraulic control valve group 12, highly pressurised liquid enters the big chamber of two suspension hydraulic vertical props 6 and regulation jack 5, back timber 1, caving shield 2 is swung up rising, caving shield 2 is swung up around the raising bracket jointed shaft 18 of caving shield 2 and raising bracket 3, stop rising when caving shield 2 rises to contact top plate, back timber 1 continues to make back timber 1 be swung up around the caving shield jointed shaft 19 of back timber 1 and caving shield 2 in the case where two suspension hydraulic vertical props 6 are acted on, until reaching the first support working resistance of support, telescopic boom device 11, wall supporting device 10 stretches out or opened therewith, caving shield 2 is swung up in uphill process around the raising bracket jointed shaft 18 with raising bracket 3.
When frame drops in support, by operating hydraulic control valve group 12, highly pressurised liquid enters the small chamber of two suspension hydraulic vertical props 6 and regulation jack 5, back timber 1 declines around the caving shield jointed shaft 19 with caving shield 2 to lower swing, caving shield 2 declines around the raising bracket jointed shaft 18 of caving shield 2 and raising bracket 3 to lower swing, and telescopic boom device 11 and wall supporting device 10 shrink therewith.
During support pushing and sliding, by operating hydraulic control valve group 12, highly pressurised liquid enters the small chamber or big chamber of jack in push unit 8, and elapses the maximum step pitch that the range of jack in drag conveyor 9, push unit 8 is push unit 8.
When support moves frame, drag conveyor 9 is fixed, by operating hydraulic control valve group 12, and highly pressurised liquid enters the big chamber or small chamber of jack in push unit 8, draws moving hydraulic support.
The completion of four actions of support is by operating hydraulic control valve group 12 to complete, and the sequence of movement of support is determined according to working face field condition, and support often completes a liter frame, drop frame, pushing and sliding and moves four actions of frame once, and support just completes a working cycles.
In the above-mentioned course of work, in order to adapt to the supporting of different height top plate, jointed shaft 17 after jointed shaft before base 16 and base can be removed, the raising bracket 3 of different height be changed, to meet construction needs.
Claims (9)
1. one kind is floating to shake formula hydraulic support, including back timber（1）, caving shield（2）, raising bracket（3）, base（4）, adjust jack（5）, two suspension hydraulic vertical props（6）, bottom lifting device（7）, push unit（8）, drag conveyor（9）, wall supporting device（10）, telescopic boom device（11）, hydraulic control valve group（12）, valve group support（13）, front gap bridge（14）, rear gap bridge（15）, jointed shaft before base（16）, jointed shaft after base（17）, raising bracket jointed shaft（18）With caving shield jointed shaft（19）；Described raising bracket（3）Upper end passes through raising bracket jointed shaft（18）With caving shield（2）Lower end is hinged, caving shield（2）Upper end passes through caving shield jointed shaft（19）With back timber（1）It is hinged；Described hydraulic control valve group（12）With bolt and valve group support（13）Connect as one, valve group support（13）With rear gap bridge（15）It is welded as a whole；It is characterized in that：Described raising bracket（3）Bottom left and right ends face be respectively provided with two mounting holes arranged side by side along its width, pass through jointed shaft before base（16）With jointed shaft after base（17）It is removably installed in base（4）Rear portion.
2. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：The raising bracket（3）Width be not less than base（4）The 1/4 of width；The raising bracket（3）With not less than push unit（8）The length of one maximum step pitch.
3. a kind of float according to claim 1 or 2 shakes formula hydraulic support, it is characterised in that：It is described floating to shake the raising bracket that formula hydraulic support is equipped with more than 2 different heights（3）.
4. a kind of float according to claim 1 or 2 shakes formula hydraulic support, it is characterised in that：The base（4）Upper correspondence raising bracket（3）Mounting hole be provided with axis hole.
5. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：Described raising bracket（3）It is a steelwork component, is welded with steel plate, is drilled after welding and bore hole machining operation.
6. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：Jointed shaft before described base（16）, jointed shaft after base（17）, raising bracket jointed shaft（18）, caving shield jointed shaft（19）It is two concentric short axles and the left and right sides is arranged symmetrically, each jointed shaft is equipped with the parts for carrying out axially position.
7. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：Described regulation jack（5）Upper end and back timber（1）It is hinged, lower end and caving shield（2）It is hinged.
8. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：Described regulation jack（5）Upper end and caving shield（2）It is hinged, lower end and raising bracket（3）It is hinged.
9. a kind of float according to claim 1 shakes formula hydraulic support, it is characterised in that：Described regulation jack（5）Upper end and caving shield（2）, lower end and base（4）It is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117149.7A CN107152297A (en) | 2016-03-02 | 2016-03-02 | One kind is floating to shake formula hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117149.7A CN107152297A (en) | 2016-03-02 | 2016-03-02 | One kind is floating to shake formula hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107152297A true CN107152297A (en) | 2017-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117149.7A Pending CN107152297A (en) | 2016-03-02 | 2016-03-02 | One kind is floating to shake formula hydraulic support |
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| Country | Link |
|---|---|
| CN (1) | CN107152297A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661160A (en) * | 2012-06-04 | 2012-09-12 | 于波 | Two-pillar hidden type filled hydraulic support |
| CN102704977A (en) * | 2012-07-09 | 2012-10-03 | 中国矿业大学 | Universal-type statically indeterminate hydraulic support |
| CN102865090A (en) * | 2012-09-20 | 2013-01-09 | 山西晋城无烟煤矿业集团有限责任公司 | Track traveling forepoling support with side shifter |
| CN103147779A (en) * | 2013-03-15 | 2013-06-12 | 中国矿业大学 | Overall top beam statically indeterminate hydraulic bracket |
| CN105221177A (en) * | 2015-10-29 | 2016-01-06 | 中国矿业大学 | Four posts are floating shakes formula hydraulic support |
| CN105240039A (en) * | 2015-10-29 | 2016-01-13 | 中国矿业大学 | Float shaking type hydraulic bracket |
-
2016
- 2016-03-02 CN CN201610117149.7A patent/CN107152297A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661160A (en) * | 2012-06-04 | 2012-09-12 | 于波 | Two-pillar hidden type filled hydraulic support |
| CN102704977A (en) * | 2012-07-09 | 2012-10-03 | 中国矿业大学 | Universal-type statically indeterminate hydraulic support |
| CN102865090A (en) * | 2012-09-20 | 2013-01-09 | 山西晋城无烟煤矿业集团有限责任公司 | Track traveling forepoling support with side shifter |
| CN103147779A (en) * | 2013-03-15 | 2013-06-12 | 中国矿业大学 | Overall top beam statically indeterminate hydraulic bracket |
| CN105221177A (en) * | 2015-10-29 | 2016-01-06 | 中国矿业大学 | Four posts are floating shakes formula hydraulic support |
| CN105240039A (en) * | 2015-10-29 | 2016-01-13 | 中国矿业大学 | Float shaking type hydraulic bracket |
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Application publication date: 20170912 |
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