CN103835726B - A kind of laneway support method - Google Patents
A kind of laneway support method Download PDFInfo
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- CN103835726B CN103835726B CN201410057382.1A CN201410057382A CN103835726B CN 103835726 B CN103835726 B CN 103835726B CN 201410057382 A CN201410057382 A CN 201410057382A CN 103835726 B CN103835726 B CN 103835726B
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- axle beam
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- monomer column
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Abstract
The invention discloses a kind of laneway support method and suspension device, wherein, the method comprises the following steps: step a, install the back rest, and the longeron of the described back rest is withstood back, and the below of beam arranges the first monomer column in the rear; Central sill on step b, frame, is connected the crossbeam of described central sill with the described back rest, and installs interim monomer column in the below of described central sill; Front-axle beam on step c, frame, is connected described front-axle beam with described central sill, and arranges cotter pilotage in the jaws formed at described front-axle beam and described central sill connecting place; Steps d, rise interim monomer column, make described front-axle beam hold out against tunnel lateral wall; Step e, below described central sill, install second comonomer post, take off interim monomer column and described cotter pilotage, rise described second comonomer post.Laneway support method provided by the invention and suspension device are by arranging the back rest, central sill and front-axle beam, and make the back rest withstand back, front-axle beam withstands tunnel lateral wall, to carry out effective support to soft seam.
Description
Technical field
The present invention relates to tunnel portion of the side supporting of high inclination-angle in coal mining, soft seam, particularly relate to a kind of laneway support method and suspension device.
Background technology
In coal mining, for the tunnel of high inclination-angle, soft seam, existing support technology is difficult to effectively control lane side, and the phenomenon of the side that easily collapses, therefore side portion's supporting in this kind of tunnel, needs higher supporting intensity.
Roadside support mode of the prior art, usually bolt support, monomer column supporting and shed shoring three kinds of modes are had, wherein, bolt support relies on the power of screw thread to rib setting load, when coal body is greater than the destructive power of anchor pole to anchor pole power, anchor pole will be pulled off, and when the slight crack degree of depth in coal body is greater than rock-bolt length, anchor pole can be extruded.For monomer column supporting, when supporting, need to rely on folder timber wedge to choke rib.Therefore, when the power that coal body is applied on monomer column is greater than the lateral compressive strength of monomer column, monomer column can be squeezed curved.For shed shoring, be also rely on folder timber wedge to choke rib, when coal body is greater than the lateral compressive strength of canopy leg to the power of canopy leg, canopy leg can be squeezed curved.
In above-mentioned supporting method, tunnel is all easily caused to collapse side phenomenon.Therefore, be necessary that developing the lane side of a kind of effective supporting method to soft seam carries out supporting.
Summary of the invention
The invention provides a kind of laneway support method and suspension device, to carry out effective support to the lane side in soft seam tunnel.
The invention provides a kind of laneway support method, wherein, comprise the following steps:
Step a, install the back rest, the longeron of the described back rest is withstood back, and the below of beam arranges the first monomer column in the rear;
Central sill on step b, frame, is connected the crossbeam of described central sill with the described back rest, and installs interim monomer column in the below of described central sill;
Front-axle beam on step c, frame, is connected described front-axle beam with described central sill, and arranges cotter pilotage in the jaws formed at described front-axle beam and described central sill connecting place;
Steps d, rise interim monomer column, make described front-axle beam hold out against tunnel lateral wall;
Step e, below described central sill, install second comonomer post, take off interim monomer column and described cotter pilotage, rise described second comonomer post, make the angle keeping 150 °-170 ° between described central sill and described front-axle beam.
Laneway support method as above, wherein, preferably, before step a, described method also comprises:
Step a0, bind plate-girder or the lumps of wood at tunnel lateral wall by iron wire.
Laneway support method as above, wherein, preferably, described step b specifically comprises: by hinged for the crossbeam of described central sill and the described back rest, in the circular hole of hinged place, plug round pin.
Laneway support method as above, wherein, preferably, described step c specifically comprises: by described front-axle beam and described central sill hinged, in the circular hole of hinged place, plug round pin.
Present invention also offers a kind of roadway support device, wherein, comprising:
The back rest, the described back rest comprises longitudinal and cross beam, and described longeron is used for withstanding back;
Central sill, the first end of described central sill is connected with described crossbeam;
Front-axle beam, the first end of described front-axle beam is connected with the second end of described central sill, and the second end of described front-axle beam withstands tunnel lateral wall;
First monomer column, is arranged on the below of the described back rest;
Second comonomer post, is arranged on the below of described central sill.
Roadway support device as above, wherein, preferably: the two ends of described longeron arrange bi-lug plate and monaural plate respectively;
Described crossbeam is connected with described longeron is vertical, and described crossbeam arranges bi-lug plate away from one end of described longeron;
One end that described central sill is connected with described crossbeam arranges monaural plate, is fixed between the bi-lug plate that the monaural plate of described central sill is inserted in described crossbeam by round pin; Described central sill is provided with bi-lug plate away from one end of described crossbeam;
One end that described front-axle beam is connected with described central sill is provided with monaural plate, is fixed between the bi-lug plate that the monaural plate of described front-axle beam is inserted in described central sill by round pin.
Roadway support device as above, wherein, preferably: between the bi-lug plate of described central sill and the monaural plate of described front-axle beam, form jaws.
Roadway support device as above, wherein, preferably: between described front-axle beam and described tunnel lateral wall, be provided with plate-girder or the lumps of wood.
Roadway support device as above, wherein, preferably: the described back rest, central sill and front-axle beam are I-beam for mine.
Roadway support device as above, wherein, preferably: described longeron and described beam welding are fixed.
Laneway support method provided by the invention and suspension device are by arranging the back rest, central sill and front-axle beam, the back rest is made to withstand back, front-axle beam withstands tunnel lateral wall, and the first monomer column is set respectively below the back rest and central sill and second comonomer post carries out supporting, according to mechanics principle, effective support is carried out, compared with the supporting method of prior art to soft seam, better effects if, and with low cost.
Accompanying drawing explanation
The laneway support method schematic flow sheet that Fig. 1 provides for the embodiment of the present invention;
The roadway support device structural representation that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of step a0 in the laneway support method that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of step a in the laneway support method that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of step b in the laneway support method that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of step c in the laneway support method that Fig. 6 provides for the embodiment of the present invention;
The schematic diagram of step e in the laneway support method that Fig. 7 provides for the embodiment of the present invention;
Back beam structure schematic diagram in the roadway support device that Fig. 8 provides for the embodiment of the present invention;
Center sill structure front view in the roadway support device that Fig. 9 provides for the embodiment of the present invention;
Center sill structure top view in the roadway support device that Figure 10 provides for the embodiment of the present invention;
Front beam structure front view in the roadway support device that Figure 11 provides for the embodiment of the present invention;
Front beam structure top view in the roadway support device that Figure 12 provides for the embodiment of the present invention;
Central sill in the roadway support device that Figure 13 provides for the embodiment of the present invention and the hinged structural front view of front-axle beam;
Central sill in the roadway support device that Figure 14 provides for the embodiment of the present invention and the hinged structure top view of front-axle beam.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.The identical Reference numeral of wherein identical component represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
The laneway support method schematic flow sheet that Fig. 1 provides for the embodiment of the present invention, the roadway support device structural representation that Fig. 2 provides for the embodiment of the present invention.
Embodiments provide a kind of laneway support method, it is realized by roadway support device.Above-mentioned laneway support method comprises the steps:
Step a, install the back rest 1, the longeron 11 of the described back rest 1 is withstood back 2, and the below of beam 1 arranges the first monomer column 3 in the rear.The back rest 1 comprises the position that crossbeam 12 can be shown in longeron 11 and crossbeam 12, Fig. 2.
Before step a, supporting method can comprise step a0: bind plate-girder or the lumps of wood 5 at tunnel lateral wall 4 by iron wire.
The schematic diagram of step a0 in the laneway support method that Fig. 3 provides for the embodiment of the present invention, the schematic diagram of step a in the laneway support method that Fig. 4 provides for the embodiment of the present invention.Please refer to Fig. 3 and Fig. 4, for soft seam, in the inner side of tunnel lateral wall 4, usually can be provided with anchor net or canopy leg, anchor net or have gap between canopy leg and tunnel lateral wall 4, therefore plate-girder or the lumps of wood 5 can be tied up on anchor net or canopy leg by iron wire.Tie up on tunnel lateral wall 4 by plate-girder or the lumps of wood 5, just temporary fixed, when holding out against tunnel lateral wall 4 to prevent the front-axle beam mentioned hereinafter, front-axle beam withstands on plate-girder or the lumps of wood 5, and plate-girder or the lumps of wood 5 can not skid.Above-mentioned plate-girder or the lumps of wood 5, refer to thickness and be greater than 120mm, width is greater than 200mm, and length is greater than the timber of 1200mm.
Preferably, crossbeam 12 is connected with longeron 11 is vertical, can, for being welded and fixed connection, also can be the connection of other techniques.Longeron 11 directly supports back 2, and crossbeam 12 is connected with central sill 6.
The schematic diagram of step b in the laneway support method that step b, Fig. 5 provide for the embodiment of the present invention, central sill 6 on frame, is connected the crossbeam 12 of described central sill 6 with the described back rest 1, and installs interim monomer column 7 in the below of described central sill 6.
Back beam structure schematic diagram in the roadway support device that Fig. 8 provides for the embodiment of the present invention, center sill structure front view in the roadway support device that Fig. 9 provides for the embodiment of the present invention, the center sill structure top view in the roadway support device that Figure 10 provides for the embodiment of the present invention.
Particularly, the two ends of longeron 11 arrange bi-lug plate 111 and monaural plate 112 respectively, as shown in Figure 8; When arranging multiple back rest 1 and multiple first monomer column 3, multiple longeron 11 head and the tail can be connected, forming large-area supporting.Similarly, crossbeam 12 arranges bi-lug plate 121 away from one end of longeron 11, and one end that central sill 6 is connected with crossbeam 12 arranges monaural plate 61, is fixed between the bi-lug plate 121 that the monaural plate 61 of central sill 6 is inserted in crossbeam 12 by round pin 8.In the circular hole of the monaural plate 61 of central sill 6 and bi-lug plate 121 junction of crossbeam 12, plug round pin 8, make central sill 6 hinged with the crossbeam 12 of the back rest 1.
Install interim monomer column 7 in the below of central sill 6, interim monomer column 7 is Interim use, finally can by the monomer column removed.Because interim monomer column 7 can be more and more oblique in the process of jack-up, therefore can not the interim monomer column of Long-Time Service, the good central sill 6 of frame and front-axle beam 9, and after having installed second comonomer post 20, need to remove interim monomer column 7 in time.
The schematic diagram of step c in the laneway support method that step c, Fig. 6 provide for the embodiment of the present invention, front-axle beam 9 on frame, is connected described front-axle beam 9 with described central sill 6, and arranges cotter pilotage 10 in the jaws formed at described front-axle beam 9 and described central sill 6 connecting place.The back rest 1, central sill 6 and front-axle beam 9 are I-beam for mine, can be specifically π steel.
Front beam structure front view in the roadway support device that Figure 11 provides for the embodiment of the present invention, the front beam structure top view in the roadway support device that Figure 12 provides for the embodiment of the present invention.Particularly, central sill 6 is provided with bi-lug plate 62 away from one end of described crossbeam 12, as shown in Figure 9 and Figure 10.
Central sill in the roadway support device that Figure 13 provides for the embodiment of the present invention and the hinged structural front view of front-axle beam, the central sill in the roadway support device that Figure 14 provides for the embodiment of the present invention and the hinged structure top view of front-axle beam.One end that front-axle beam 9 is connected with described central sill 6 is provided with monaural plate 91, is fixed between the bi-lug plate 62 that the monaural plate 91 of described front-axle beam 9 is inserted in described central sill 6, thus make central sill 6 and front-axle beam 9 hinged fixing by round pin 8.Front-axle beam 9 and central sill 6 are provided with monaural plate and bi-lug plate, and monaural plate and bi-lug plate are provided with crook 101, please refer to Figure 13, two crook 101 are oppositely arranged, and form jaws 102.In jaws 102, plug cotter pilotage 10, referring to Fig. 6, to prevent front-axle beam 9 from rotating for axle with round pin 8, make central sill 6 keep 150 ° with the angle α of front-axle beam 9.
Steps d, rise interim monomer column 7, make described front-axle beam 9 hold out against tunnel lateral wall 4.
The setting prop method of interim monomer column 7 is as follows: first fluid injection gun is inserted triple-use valve 71, and wherein, fluid injection gun is connected with emulsification pump by pressure duct, and emulsification pump can provide emulsion to fluid injection gun.Open fluid injection gun switch, high-pressure emulsion will enter the cylinder body of interim monomer column by triple-use valve 71, and then is risen by the post alive of interim monomer column.Triple-use valve 71 is a kind of finished product members, refers to the component integrating liquid-filling valve, feather valve and safety valve three kinds of purposes.Wherein, the component that the post alive of monomer column can be risen after liquid-filling valve refers to and plugs fluid injection gun, feather valve refers to the component contracted under pressing unload button can make post alive, safety valve, when monomer column bear certain perpendicular to the pressure of monomer column after, can initiatively drainage, prevent monomer column to be destroyed, but still continue bearing pressure with nominal resistance.
Along with the rise of interim monomer column 7, the back rest 1 maintains static, and central sill 6 upwards can rotate around the round pin 8 of central sill 6 with crossbeam 12 junction.Meanwhile, along with the rising of interim monomer column 7, front-axle beam 9 also can hold out against tunnel lateral wall 4.But, owing to being provided with cotter pilotage 10 in the jaws 102 of central sill 6 and front-axle beam 9, the angle α therefore between central sill 6 and front-axle beam 9 can keep 150 ° constant.
In the process that above-mentioned interim monomer column 7 rises, interim monomer column 7 can be more and more oblique, and interim monomer column 7 therefore can not be made for long-term supporting.
The schematic diagram of step e in the laneway support method that step e, Fig. 7 provide for the embodiment of the present invention, take off interim monomer column 7, second comonomer post 20 is installed below described central sill 6, take off interim monomer column 7 and cotter pilotage 10, rise described second comonomer post 20, make the angle keeping 150 °-170 ° between described central sill 6 and described front-axle beam 9.
After being taken off by cotter pilotage 10, now front-axle beam 9 has held out against tunnel lateral wall 4, even if therefore take off cotter pilotage 10, front-axle beam 9 also can not rotate again.
Install second comonomer post 20, and rise this second comonomer post 20, after cotter pilotage 10 takes off, central sill 6 can raise with the pin joint A of front-axle beam 9, and α can increase, and front-axle beam 9 continues to hold out against tunnel lateral wall 4.When angle α between central sill 6 and front-axle beam 9 is between 150 °-170 °, stop rising second comonomer post 20, now the Bracing Process of whole suspension device terminates.
The laneway support method that the embodiment of the present invention provides and suspension device cost low, can recycle, and dynamic pressure can be resisted forcefully, sustainedly and stably, thus reduce tunnel roof and floor and lane side the amount of shifting near, improve operating environment.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a laneway support method, is characterized in that, comprises the following steps:
Step a, install the back rest, the longeron of the described back rest is withstood back, and the below of beam arranges the first monomer column in the rear;
Central sill on step b, frame, is connected the crossbeam of described central sill with the described back rest, and installs interim monomer column in the below of described central sill;
Front-axle beam on step c, frame, is connected described front-axle beam with described central sill, and arranges cotter pilotage in the jaws formed at described front-axle beam and described central sill connecting place;
Steps d, rise interim monomer column, make described front-axle beam hold out against tunnel lateral wall;
Step e, below described central sill, install second comonomer post, take off interim monomer column and described cotter pilotage, rise described second comonomer post, make the angle keeping 150o-170o between described central sill and described front-axle beam.
2. laneway support method according to claim 1, is characterized in that, before step a, described method also comprises:
Step a0, bind plate-girder or the lumps of wood at tunnel lateral wall by iron wire.
3. laneway support method according to claim 1 and 2, is characterized in that, described step b specifically comprises: by hinged for the crossbeam of described central sill and the described back rest, in the circular hole of hinged place, plug round pin.
4. laneway support method according to claim 1 and 2, is characterized in that, described step c specifically comprises: by described front-axle beam and described central sill hinged, in the circular hole of hinged place, plug round pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057382.1A CN103835726B (en) | 2014-02-20 | 2014-02-20 | A kind of laneway support method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057382.1A CN103835726B (en) | 2014-02-20 | 2014-02-20 | A kind of laneway support method |
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| CN103835726A CN103835726A (en) | 2014-06-04 |
| CN103835726B true CN103835726B (en) | 2016-01-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112983490A (en) * | 2019-12-14 | 2021-06-18 | 山东里能鲁西矿业有限公司 | Novel I-steel lateral pressure-resistant shed leg and supporting system suitable for gob-side entry retaining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562110A (en) * | 1977-11-30 | 1980-03-05 | Schwarz Holywell Ltd | Mine roadway support components |
| CN2195618Y (en) * | 1994-05-17 | 1995-04-26 | 中国矿业大学 | Special chock for galleries |
| CN201190570Y (en) * | 2008-03-12 | 2009-02-04 | 三一重型装备有限公司 | Support group for supporting roadway with incline top |
| CN202467857U (en) * | 2012-02-13 | 2012-10-03 | 淄博矿业集团有限责任公司埠村煤矿 | Mining shoring device for axial bottom syncline under coal mine |
| CN203822332U (en) * | 2014-02-20 | 2014-09-10 | 中国庆华能源集团有限公司 | Roadway support device |
-
2014
- 2014-02-20 CN CN201410057382.1A patent/CN103835726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562110A (en) * | 1977-11-30 | 1980-03-05 | Schwarz Holywell Ltd | Mine roadway support components |
| CN2195618Y (en) * | 1994-05-17 | 1995-04-26 | 中国矿业大学 | Special chock for galleries |
| CN201190570Y (en) * | 2008-03-12 | 2009-02-04 | 三一重型装备有限公司 | Support group for supporting roadway with incline top |
| CN202467857U (en) * | 2012-02-13 | 2012-10-03 | 淄博矿业集团有限责任公司埠村煤矿 | Mining shoring device for axial bottom syncline under coal mine |
| CN203822332U (en) * | 2014-02-20 | 2014-09-10 | 中国庆华能源集团有限公司 | Roadway support device |
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| CN103835726A (en) | 2014-06-04 |
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