CN205189903U - Mining support convenient to it changes to observe roof pressure - Google Patents
Mining support convenient to it changes to observe roof pressure Download PDFInfo
- Publication number
- CN205189903U CN205189903U CN201520963550.3U CN201520963550U CN205189903U CN 205189903 U CN205189903 U CN 205189903U CN 201520963550 U CN201520963550 U CN 201520963550U CN 205189903 U CN205189903 U CN 205189903U
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- groove
- water
- roof pressure
- convenient
- fixed
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Abstract
The utility model discloses a mining support convenient to it changes to observe roof pressure, including the bracing piece, the bracing piece top is equipped with half groove of installation, installs half inslot and installs the arc, be equipped with the water reservoir section branch between support frame and the installation piece, but be storage water's water storage chamber in the water reservoir section branch, still be equipped with fixed slot and first fixed orifices on the support frame, the fixed lug assembly of fixed slot and link is equipped with first pair of fixed orifices on the fixed lug, and a fixing bolt packs into in first fixed orifices and the second fixed orifices and rather than screwing support frame and link mount, be equipped with the mounting groove on the link, basin, bottom are equipped with the groove that absorbs water excessively respectively to be equipped with one on the face of mounting groove both sides, be connected with the water pipe on the link, it installs absorbent article in the groove to absorb water, install the inflation strip in the mounting groove, the mounting groove top is fixed with the closing cap through the 2nd fixing bolt, be fixed with the elasticity piece bottom the installation piece, be provided with on half groove lateral wall of installation and instruct the groove, instruct the round pin to pass and instruct groove and installation piece to be connected.
Description
Technical field
The utility model relates to a kind of New-support of colliery tunnel support, particularly relates to a kind of mining bracket indicating back pressure.
Background technology
In mine roadway support, mining bracket is seen everywhere, mainly use U-shaped steel bracket at present, this tensile strength, compressive strength are higher, and have good toughness properties, support force is higher simultaneously, supporting intensity is large, repeatedly can use, be widely used in mine working, particularly in complicated tunnel, deep and weak seam tunnel.
But the installation way of this support is pretty troublesome, during general needs are put, the then lap length of control a section and b section, control card pulls spacing and quantity etc., and this method directly reduces the efficiency of support engineering.And different due to top, tunnel, during use, U-shaped steel bracket often needs the place larger in the gap hard object such as stone, stone of jumping a queue that itself and tunnel end face are compressed, but less for some gaps or that contact surface soil property is more loose situation, cannot with the naked eye directly to judge by eye often, in a lot of situation, constructor can omit this situation, causing U-shaped steel bracket fully not contact compression with tunnel end face when supporting, forming potential safety hazard.
The special situation that Flexible change can occur for some tunnel top strain, support is needed to have certain elasticity bearing capacity on the one hand, also need support can change and adjustment height along with the height of the change of pressure or contact surface on the other hand, ensure effectively to support top, tunnel at any time.But existing U die support does not reach this effect, once after U-shaped steel bracket is depressed, it is generally difficult to retract to reset condition.
Be exactly in use for some time in addition, U-shaped steel bracket compresses with top board due to the pressure of top board, thus produces dismounting difficulty.Be that CN201410038824.8 is called the support disclosing a kind of air filling type in the Chinese utility model patent of air filling type mine rubber support in the patent No., its major technique is by inflating inner liner, then the rubber layer after restarting and Roof compact schemes is utilized, first this mode can solve between bracing frame and top board exists the infull situation of support owing to there is small―gap suture, secondly when roof pressure changes, its rubber layer can under the effect of inner liner dynamic conditioning, ensure to hold out against top board at any time, and when needing to dismantle, only need inner liner to exit.This structure in fact medical history not being suitable on ore deposit supports.First, can not inflate inner liner with air compressor machine at any time when constructing; Secondly inflate roof supporting by inner liner, from theoretical and in fact the pressure that needs of inner liner very large, the encapsulant which results in inner liner is certainly very expensive, and its cost and feasibility are all poor; Last described rubber layer outside does not have topping; know that particularly top plate portion exists various hard and sharp object in down-hole; if do not take protection to rubber layer; perhaps, rubber layer has just broken in a couple of days under higher pressure; once rubber layer breaks, inner liner can be caused to leak gas, have a strong impact on the support effect of support; even make support lose supporting effect, this is very unsafe.
Existing mining bracket cannot observe the change of tunnel top pressure intuitively in addition, general going deep into along with tunnel, back is applied to the pressure of support can be increasing, because existing support cannot reflect the change of roof pressure intuitively, just can really notice when generally will wait until deformation of timbering, this is breakneck because can likely bring during deformation of timbering bring due to underbraced landslide, fall slag etc.When enough supported design are not particularly provided when roadway support design, owing to there is no direct-detection, the display of roof pressure, be easy to cause security incident.
Therefore utility model people thinks, design a kind of dismountable, can intuitively reflect back pressure, convenient install and the reliable mining bracket of supporting effect is very necessary, and there is good marketing prospect.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of mining bracket being convenient to observe roof pressure change, it can indicate the change of back pressure intuitively, and detachably, convenience is installed and supporting effect is reliable.
For achieving the above object, the utility model provides a kind of mining bracket being convenient to observe roof pressure change, and comprise support bar, described support bar top is provided with installation half groove, is provided with arc in described installation half groove;
Being provided with containment portion between described bracing frame and mounting blocks, is can the water storage cavity of storage of water in described containment portion;
Described bracing frame is also provided with holddown groove and the first fixing hole, the fixing projection of described holddown groove and link assembles, described fixing projection is provided with the first secondary fixing hole, and the first set bolt to load in the first fixing hole and the second fixing hole and screws with it and bracing frame and link is mounted with;
Described link is provided with mounting groove, and tank, bottom are provided with pick trough excessively described mounting groove two sides to be respectively provided with one;
Described link is connected with water pipe, and described water pipe is communicated with mistake tank with the second linkage section respectively by the first linkage section;
Be provided with water suction bar in described pick trough, the described strong absorbent material of water suction strip adoption is made; Described pick trough two ends are all stretched in containment portion;
Be provided with Expandable strip in described mounting groove, described Expandable strip adopts water uptake expansion material to make, as water swelling rubber;
Described mounting groove top is fixed with capping by the second set bolt;
Bottom mounting blocks, be fixed with elastomer block, described elastomer block adopts elastomeric material to make;
Installation half groove sidewall is provided with instruction groove, and instruction pin is connected with mounting blocks through instruction groove.
Further, described arc one end is fixed with installation half trench bottom, and the other end is open end; The length of described arc should be less than the width of installation half groove.
Preferably, the length of described arc should than the width of installation half groove extremely when young 2-6 ㎝.
Further, bottom mounting blocks be the deep-slotted chip breaker identical with arc radian.
Further, in described water storage cavity, be fixed with stiffener, communicate bottom described stiffener.
Further, described water suction strip adoption water-absorbing resin, high-hydroscopicity sponge one wherein or its combination are made.
Further, described Expandable strip adopts water swelling rubber to make.
Further, described capping adopts elastomeric material to make.
Further, described capping is provided with fold.
Further, described instruction pin end winding support has indication hat, and described indication hat is provided with bar.
Further, the installation half groove sidewall at bar place is provided with indicating graduation.
Further, described Expandable strip cross section maximum swelling is highly 3-6 ㎝.
Further, bottom support bar, be equipped with two anchor poles to side, tunnel, described anchor pole has one end to expose tunnel to form bared end, and the clamping slot that described bared end and upper draw-in groove and lower bayonet slot are formed is mounted with; Contiguous block is provided with bottom described support bar;
Described lower bayonet slot is arranged on clamping block, and described clamping block is also provided with lower connecting block;
Clamping block is fixed on bottom support bar through upper contiguous block and lower connecting block by the 3rd set bolt.
Further, described bared end cross section is polygon.
Further, support bar is provided with fluorescence display part, and described fluorescence display part comprises: instruction pin, described instruction pin and connection strap one end hinged, the described connection strap other end is connected with the piston in water tank, be equipped with in described water tank can be luminous liquid;
Described water tank bottom is counted bottom by body and display and is connected, and described display meter is fixed on housing, and described housing is fixed on support bar.
The beneficial effects of the utility model are: the utility model structure is simple, easy for installation, the good and safety of supporting effect.Described Expandable strip can imbibition, and the water sucting degree by Expandable strip controls Expandable strip degrees of expansion, with the prepackage pressure between adjusting pole and top board.The utility model adopts arc to carry out elasticity pressure-bearing in addition, compared with traditional U-shaped support, there is installation aspect, and pressure-bearing is stronger, even and if pressure is too strong also only can damage arc by pressure, and the damage of whole support can not be caused.
Have and be exactly, the utility model adopts pressure indicating structure to show the pressure of top board to support very intuitively, can the situation of Timeliness coverage support overvoltage, eliminates safe hidden trouble in time.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 2 is a kind of part explosive view being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 3 is a kind of support frame structure schematic diagram being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 4 is a kind of link structural representation being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 5 is a kind of front sectional elevation being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 6 is a kind of end cross-section being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 7 is a kind of closing plate structure schematic diagram being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 8 is a kind of pressure indicating structure schematic diagram being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Fig. 9 is a kind of fluorescence display part-structure schematic diagram being convenient to the mining bracket detailed description of the invention of observing roof pressure change of the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
See Fig. 1 to Fig. 7, a kind of mining bracket being convenient to the change of observation roof pressure, comprises support bar 1, described support bar 1 top is provided with installation half groove 12, be provided with arc 4 in described installation half groove 12, fix bottom described arc 4 one end and installation half groove 12, the other end is open end; The length of described arc 4 should be less than the width of installation half groove 12, general extremely when young 2-6 ㎝;
Can be arranged to the deep-slotted chip breaker identical with arc 4 radian bottom mounting blocks 54, this structure can increase the cooperate degree of mounting blocks 54 and arc 4.When the pressure transmission at top, tunnel enters on mounting blocks 54 by bracing frame 5, described mounting blocks 54 can be oppressed arc 4 and is out of shape, owing to having the distance of 2-6 ㎝ between arc 4 open end and installation half groove 12, this pressure that arc 4 can be allowed to be come to cut down bracing frame 5 transmission by distortion.This mode changes tradition and adopts card cable to connect U-shaped canopy elasticity can to bear the mode of Tunnel Pressure to obtain; And the scope of whole rack elasticity holding capacity is regulated by the elastic deformation force of arc 4;
Containment portion 52 is provided with between described bracing frame 5 and mounting blocks 54, be can the water storage cavity of storage of water in described containment portion 52, stiffener 53 is fixed with in described water storage cavity, described stiffener 53 communicates, and can arrange bottom groove or the through hole water storage cavity that just stiffener 53 is split and be communicated with;
Described bracing frame 5 is also provided with holddown groove 51 and the first fixing hole 56, described holddown groove 51 assembles with the fixing projection 71 of link 7, described fixing projection 71 is provided with the first secondary fixing hole 74, first set bolt 62 and loads in the first fixing hole 56 and the first secondary fixing hole 74 and screw with it and bracing frame 5 and link 7 are mounted with;
Described link 7 is provided with mounting groove 75, and tank 73, bottom are provided with pick trough 72 excessively described mounting groove 75 two sides to be respectively provided with one;
Described link 7 is connected with water pipe S1, and described water pipe S1 is communicated with mistake tank 73 with the second linkage section S3 respectively by the first linkage section S2.During use, toward water flowing in water pipe S1, and then water can be guided in tank 73; The second described linkage section S3 is preferably fixed on the peak of link 7, and when water pipe S1 water flowing, water can enter to be in tank 73, then flow in the containment portion 52 of both sides through tank 73;
Be provided with water suction bar 8 in described pick trough 72, described water suction bar 8 adopts strong absorbent material to make, as water-absorbing resin, high-hydroscopicity sponge etc.; Described pick trough 8 two ends are all stretched in containment portion 52; During use, by water suction bar 8, the water in containment portion 52 is drawn in whole pick trough 72, and contacts with Expandable strip 9 moisture is caused in Expandable strip 9, make Expandable strip 9 imbibition;
Be provided with Expandable strip 9 in described mounting groove 75, described Expandable strip 9 adopts water uptake expansion material to make, as water swelling rubber;
Described mounting groove 75 top is fixed with capping 10 by the second set bolt 63, described capping 10 can adopt elastomeric material or other elastomeric material to make, when capping 10 being backed down after Expandable strip 9 imbibition, can there is elastic deformation in now capping 10.This mode can make the second set bolt 63 pull with capping 10 standing part in use, likely makes it pull time serious; For above-mentioned defect, can in capping 10 fold 101.When capping 10 being backed down after Expandable strip 9 imbibition, now, fold 101 in capping 10 can be backed down, and can not produce the second set bolt 63 and capping 10 standing part and pull, and prevents it by La Song or pulls open;
Too fluffy in order to anti-Expandable strip 9 parectasis, cannot play the actual support effect to top, tunnel, the maximum swollen high 3-6 ㎝ in described Expandable strip 9 cross section, during installation, as found, gap is greater than 3-6 millimeter, the support such as stone, stone of still should jumping a queue.By Expandable strip 9 expanding support can remove from use conventional u-shaped canopy time U-shaped canopy and tunnel end face exist gap less time need the operation such as stone, stone of jumping a queue, when particularly causing there is more less gap between U-shaped support and top, tunnel because top, tunnel is irregular, generally with the naked eye cannot observe intuitively, so do not take corresponding measure, U-shaped canopy is caused not produce effective support to top, tunnel and to produce potential safety hazard;
Soil property bottom tunnel is too soft, and the cross section of support bar 1 is less, when likely causing supporting, support bar 1 is oppressed bottom surface, tunnel and causes bottom surface to be damaged, can adopt and make a call to two anchor poles 3 to side, tunnel bottom support bar 1, described anchor pole 3 has one end to expose tunnel formation bared end 31, the clamping slot that described bared end 31 and upper draw-in groove 11 and lower bayonet slot 21 are formed is mounted with, and thinks that support bar 1 provides support;
Contiguous block 12 is provided with bottom described support bar 1;
Described lower bayonet slot 21 is arranged on clamping block 2, and described clamping block 2 is also provided with lower connecting block 22; Clamping block 2 is fixed on bottom support bar 1 through upper contiguous block 12 and lower connecting block 22 by the 3rd set bolt 61;
In order to when preventing anchor pole 3 supported bar 1 because it is cylindrical and cause support bar 1 to rotate, polygon can be arranged in described bared end 31 cross section, as triangle, rhombus, pentagon etc.
This bracing frame has been abandoned traditional U-shaped canopy and has been pulled by card the mode be connected and fixed, during installation, the center line of bracing frame mid point with tunnel ceiling is only needed to aim at, then direct fixed support bar 1, supplying water toward crossing in tank 73 finally by water pipe S1, when water passes through tank 73, Expandable strip 9 can be made tentatively to absorb water, water can be drawn to bottom Expandable strip 9 by water suction bar 8 after water enters containment portion 52, make Expandable strip 9 imbibition further, the moisture that simultaneously can also lose for Expandable strip 9 supplements immediately;
Further, see Fig. 8, in order to the pressure of Real-Time Monitoring top board in use, preset pressure when being exactly installation in addition between the utility model medium-height trestle and top board, can fix elastomer block 55 bottom mounting blocks 54, described elastomer block 55 adopts elastomeric material to make, as rubber, silica gel etc.;
On installation half groove 12 sidewall, arrange instruction groove 13 again, instruction pin 64 is connected with mounting blocks 54 through instruction groove 13, certainly connects part preferably by screw thread, simple economy;
Indication hat 65 is preferably fixed in described instruction pin 64 end, described indication hat 65 is provided with bar 651;
Again indicating graduation is set on installation half groove 12 sidewall at bar 651 place, available indicating graduation is as pressure when installing with reference to instruction between top board and support, top board in use can also be indicated in real time to the pressure of support, so just can find the situation that roof pressure is excessive in time and supplement timely and make, reducing potential safety hazard.
Further, participate in Fig. 9, in order to more be convenient to the increase situation observing back pressure, can fluorescence display part be set on support bar, described fluorescence display part comprises: instruction pin, described instruction pin and connection strap N1 one end hinged, the described connection strap N1 other end is connected with the piston N21 in water tank N2, be equipped with in described water tank N2 can be luminous liquid, be preferably added with the water of water-soluble fluorescent material;
Described water tank bottom is counted bottom N4 by body N3 be connected with display, and described display meter N4 is fixed on housing N5, and described housing N5 is fixed on support bar.
During use, along with the increase of roof pressure, piston can be pressed down by connection strap N1 by instruction pin, the water in piston is made to enter display meter, cross section due to water tank is far longer than display meter, and when volume is identical, in display meter, the liquid level of water is just higher, and display meter adopts transparent material to make, the observation of technician can be facilitated.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (10)
1. be convenient to the mining bracket observing roof pressure change, comprise support bar, it is characterized in that: described support bar top is provided with installation half groove, in described installation half groove, arc is installed;
Being provided with containment portion between described bracing frame and mounting blocks, is can the water storage cavity of storage of water in described containment portion;
Described bracing frame is also provided with holddown groove and the first fixing hole, the fixing projection of described holddown groove and link assembles, described fixing projection is provided with the first secondary fixing hole, and the first set bolt to load in the first fixing hole and the second fixing hole and screws with it and bracing frame and link is mounted with;
Described link is provided with mounting groove, and tank, bottom are provided with pick trough excessively described mounting groove two sides to be respectively provided with one;
Described link is connected with water pipe, and described water pipe is communicated with mistake tank with the second linkage section respectively by the first linkage section;
Be provided with water suction bar in described pick trough, the described strong absorbent material of water suction strip adoption is made; Described pick trough two ends are all stretched in containment portion;
Be provided with Expandable strip in described mounting groove, described Expandable strip adopts water uptake expansion material to make;
Described mounting groove top is fixed with capping by the second set bolt;
Bottom mounting blocks, be fixed with elastomer block, described elastomer block adopts elastomeric material to make;
Installation half groove sidewall is provided with instruction groove, and instruction pin is connected with mounting blocks through instruction groove.
2. as claimed in claim 1 a kind of be convenient to observe roof pressure change mining bracket, it is characterized in that: described arc one end with install half trench bottom fix, the other end is open end; The length of described arc should be less than the width of installation half groove.
3. be a kind ofly as claimed in claim 2 convenient to the mining bracket observing roof pressure change, it is characterized in that: the length of described arc should than the width of installation half groove to when young 2-6 ㎝.
4. be a kind ofly as claimed in claim 1 convenient to the mining bracket observing roof pressure change, it is characterized in that: described water suction strip adoption water-absorbing resin, high-hydroscopicity sponge one wherein or its combination are made.
5. be a kind ofly as claimed in claim 1 convenient to the mining bracket observing roof pressure change, it is characterized in that: described Expandable strip adopts water swelling rubber to make.
6. as claimed in claim 1 a kind of be convenient to observe roof pressure change mining bracket, it is characterized in that: described capping is provided with fold.
7. as claimed in claim 1 a kind of be convenient to observe roof pressure change mining bracket, it is characterized in that: described instruction pin end winding support has indication hat, and described indication hat is provided with bar.
8. as claimed in claim 1 a kind of be convenient to observe roof pressure change mining bracket, it is characterized in that: described Expandable strip cross section maximum swelling highly be 3-6 ㎝.
9. as claimed in claim 1 a kind of be convenient to observe roof pressure change mining bracket, it is characterized in that: bottom support bar, be equipped with two anchor poles to side, tunnel, described anchor pole has one end to expose tunnel to form bared end, and the clamping slot that described bared end and upper draw-in groove and lower bayonet slot are formed is mounted with; Contiguous block is provided with bottom described support bar; Described lower bayonet slot is arranged on clamping block, and described clamping block is also provided with lower connecting block; Clamping block is fixed on bottom support bar through upper contiguous block and lower connecting block by the 3rd set bolt.
10. a kind of as described in as arbitrary in claim 1-9 is convenient to the mining bracket observing roof pressure change, it is characterized in that: on support bar, be provided with fluorescence display part, described fluorescence display part comprises: instruction pin, described instruction pin and connection strap one end hinged, the described connection strap other end is connected with the piston in water tank, be equipped with in described water tank can be luminous liquid; Described water tank bottom is counted bottom by body and display and is connected, and described display meter is fixed on housing, and described housing is fixed on support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963550.3U CN205189903U (en) | 2015-11-25 | 2015-11-25 | Mining support convenient to it changes to observe roof pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963550.3U CN205189903U (en) | 2015-11-25 | 2015-11-25 | Mining support convenient to it changes to observe roof pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205189903U true CN205189903U (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520963550.3U Expired - Fee Related CN205189903U (en) | 2015-11-25 | 2015-11-25 | Mining support convenient to it changes to observe roof pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205189903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401964A (en) * | 2015-11-25 | 2016-03-16 | 安徽理工大学 | Mining bracket capable of indicating top plate pressure |
| CN112324478A (en) * | 2020-11-23 | 2021-02-05 | 东北大学 | Roadway U-shaped support device and method |
-
2015
- 2015-11-25 CN CN201520963550.3U patent/CN205189903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401964A (en) * | 2015-11-25 | 2016-03-16 | 安徽理工大学 | Mining bracket capable of indicating top plate pressure |
| CN112324478A (en) * | 2020-11-23 | 2021-02-05 | 东北大学 | Roadway U-shaped support device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20191125 |