CN104612736A - Coal mining support with crossed supporting rods - Google Patents
Coal mining support with crossed supporting rods Download PDFInfo
- Publication number
- CN104612736A CN104612736A CN201510033325.4A CN201510033325A CN104612736A CN 104612736 A CN104612736 A CN 104612736A CN 201510033325 A CN201510033325 A CN 201510033325A CN 104612736 A CN104612736 A CN 104612736A
- Authority
- CN
- China
- Prior art keywords
- support
- back timber
- base plate
- support bar
- coal mining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention relates to a coal mining support with crossed supporting rods. The support is provided with a top beam and a bottom plate. Four hydraulic supporting columns are arranged on the bottom plate, used for supporting the top beam and braking the top beam in ascending or descending and perpendicularly fixed to the bottom plate and. A hydraulic pulling rod is arranged on the bottom plate and used for pulling the support to move forwards. The support is characterized in that the supporting rods are arranged on the bottom plate and used for stabilizing the top beam and making the top beam ascend or descend in parallel, the supporting rods are of crossed structures, two supporting rods form one group with a connecting shaft arranged between the two supporting rods, the crossed supporting rods are arranged on the left and right sides of the bottom plate, fourth supporting points at the upper and lower ends of the crossed supporting rods are divided into two groups which comprise the two front longitudinal supporting points and the two rear longitudinal supporting points, one of the two groups of front and rear supporting points are hinged to the edge of the top beam and the edge of the bottom plate through movable shafts respectively, and the other of the two groups of front and rear supporting points are connected with the top beam and the bottom plate in a sliding mode through sliding components respectively. The support is suitable for supporting for coal mining or other mining, good in supporting effect, high in efficiency, capable of saving materials and convenient to load, transport and maintain.
Description
Technical field
The present invention relates to a kind of a kind of bracing or strutting arrangement of down-hole coal excavation operation, specifically a kind of coal mining support adopting the cross support bar of new structure, this support is applicable to various coal mining activity, is also applicable to the support of the work of excavating of other mines.
Background technology
Support apparatus is the capital equipment used in coal work, and it will realize firm support to the top in coal face and tunnel, and also will control oneself moves ahead.Its Main Function be make coal mining field personnel have one safe and reliable, be convenient to the working space of coal mining activity.Its function and quality directly affect the life security of coal miner, and also substantial connection the efficiency and quality of mining, and being also related to the safety of whole mine, is the vital safety of one and the operating equipment of coal work.Existing fastening generally divides following several: several large classes such as wooden prop, metal friction pillar, hydraulic prop, split cantilever support, entire combination cantilever support, comprehensive mining hydraulic bracket, standing support, shield, chock shield.Wooden prop, metal friction pillar and hydraulic prop in use need a dead lift, and labor strength is large, and the non-constant of mobility, progressively eliminated by coal-face, be mainly used in underworkings local at present.Suspended class support, comprises split cantilever support and entire combination support is mainly used in middle and small scale coal mine, and working resistance is less, and loaded down with trivial details owing to moving frame action, its operating efficiency is very low.Fully mechanized mining supporter comparatively front two class support apparatus in safety enabling capabilities and operating efficiency all improve a lot.But due to the quadric chain of its center structure many employings single wobbling pole or double swing-bar, make fully mechanized mining supporter in support process, particularly set cap is after contact rock or coal top board, support is that camber line rises, back timber relative top board friction displacement, the interphase interaction of internal construction produces working resistance, consume useful work, support self mechanism is produced simultaneously and destroy, cause existing hydraulic rack structure heavy, its light-duty fully mechanized mining supporter monomer weight is all more than 10 tons, and heavy support deadweight is paused up to 30-50.Fully mechanized mining supporter structure is sturdy, heavy.Cause support works heavy, supporting efficiency is low, and equipment cost is very high.Therefore, be starved of and technological improvement is carried out to existing fastening, in existing support, use a kind of back timber bracing or strutting arrangement of brand new, make the fastening-support more rapidly and efficiently safety in coal work, and cost reduces, to meet the needs of coal work development.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of coal mining support being provided with cross support bar is proposed, this support adopts the structure of cross support bar, be used for carrying out the support of lifting process with firm to the back timber of support, instead of the double leval jib braced structures of traditional fully mechanized mining supporter, when making hydraulic prop be elevated the lifting of promotion back timber, whole back timber all-the-time stable ground keeps level, eliminate the idle work resistance that traditional double leval jib supporting top beam camber line rising produces, thus greatly reduce the resistance of hydraulic prop rise, substantially increase efficiency, and the position of back timber more can ensure steadily and position is accurate, thus hydraulic prop is greatly reduced weight weight reduction under identical function condition.
The present invention by the following technical solutions
Be provided with the coal mining support of cross support bar, be provided with back timber and base plate, base plate is provided with supporting top beam, and the hydraulic prop braked back timber rising and decline, this hydraulic prop is provided with four, is vertically fixed on base plate, and base plate is provided with the hydraulic haulage bar pulling support to move forward; It is characterized in that: on base plate, be provided with firm back timber, make the support bar of the parallel lifting of back timber, this support bar is chi structure, two bars are one group, centre is provided with connecting axle, this cross support bar is arranged on limit, the base plate left and right sides, four strong points of the top and bottom of cross support bar, be divided into two groups: longitudinally two front support points and two rear support points, in these forward and backward two groups of strong points, one group is linked with the edge of back timber and base plate respectively by movable axis, and another group is connected with top board and base plate slidably by slide unit.
The present invention improves further and the additional project of enforcement is:
The described cross support bar being arranged on base plate both sides, the cross support bar of every side is that the Metallic rod of hinge joint mutually between a group or two groups or array is formed, and each group intersects two Metallic rod be flexibly connected for middle axle of establishing.
The slide unit that described cross support bar is slidably connected with back timber and base plate is made up of the slide rail be located on back timber and base plate and the slide plate or roller being arranged on supporting bar top.
Back timber is provided with rechargeable battery and emergency light.
Back timber does not have gas concentration monitoring device, gas density display and gas density to exceed standard alarm, and carry out signal with the upper and lower signal transmission system of mine and be connected.
Back timber is provided with the camera in alignment work face, and this camera carries out signal with the upper and lower signal transmission system of mine and is connected.
Back timber is provided with support of mines GPS locator, and this locator and mining area GPS navigation system are located by connecting.
Above-mentioned functions parts: the exceed standard setting of alarm, camera and support of mines GPS locator of rechargeable battery, emergency light, gas concentration monitoring device, gas density display, gas density is not abandon simply beat or pile structure set, the circuit of shared circuit board and harmony design is provided with between them, and being provided with PLC, this PLC and above-mentioned each functional part carry out signal and control connection; And be provided with the signal inlet and outlet connectors that PLC controls, be also provided with the transmission of wireless signals interface that the upper and lower signal transmission system with mine carries out signal exchange, and the central monitoring computer arranged with mine upper ground surface with show giant-screen and carry out wireless signal and be connected.
The upper end that described cross support bar is connected with back timber is that lower end is plugged on telescopic flexible connection termination in interleaving support bar.
The upper end that described cross support bar is connected with back timber is for being plugged on telescopic flexible connection termination in interleaving support bar.
The axis hole of the connecting axle in the middle of described cross support bar is elongated hole, and connecting axle can slide in hole, and this major axis hole can make two support bars keep at various height, thus back timber also can be made to keep at various height.
The bracing frame being provided with cross support bar of the present invention is applicable to use at coal-face, use procedure:
Support: first the hydraulic prop of support rises, the back timber of support cross support bar stably keep the support of level under, level rises, and pillar reaches setting load, effectively supports the lithosphere above support or coal layer top board.Because the upper strong point of the cross support bar of support of the present invention and the connection of back timber are rubbings, not only can make back timber maintenance level, make pillar reach 100% to top plate supporting efficiency.Staggered form stabilizing mechanism can deflect again within the specific limits simultaneously, is strengthened to the adaptive capacity of top board.Thus make hydraulic prop carry out more effective support to back timber, do not damage support.After having supported back timber, workman opens coal-winning machine, carries out coal mining activity.
Move frame: when coal mining comes to an end, when support needs mobile, hydraulic prop unloads, and set cap is under the firm rubbing of cross support bar supports, and level declines, and the hydraulic stem on support base plate shrinks, and support forwards moves, and realizes reach step pitch.
The advantage of support of the present invention: coal mining support of the present invention also belongs to fully mechanized mining supporter is a kind of novel fully mechanized mining supporter.Under the prerequisite of identical working resistance, about the more traditional fully mechanized mining supporter weight of this support can alleviate half.This has revolutionary change to comprehensive mining hydraulic bracket.Good Social benefit and economic benefit can be realized.Adopt the back timber lifting stabilizing mechanism of cross support bar, make set cap under the restriction of this stabilizing mechanism, horizontal lifting, without the need to overcoming the inner idle work consumption of traditional fully mechanized mining supporter, decrease the damage to support element, and can deflect within the specific limits, the adaptive capacity of top board is strengthened.Make each associated components of support: the physical dimensions such as back timber, base, advancing jack and pillar and weight all significantly reduce.Under the prerequisite of identical working resistance and identical effect, about hydraulic support overall weight alleviates half, significantly can shorten support work plane installation period, workload and labour intensity.Because New-support parts are slim and graceful, application life increases, and support whole work efficiency improves a lot, and maintenance maintenance is also more convenient.Hydraulic support in use, needs periodic inspection to keep in repair, and a work plane year maintenance maintenance cost is up to millions of unit.Novel fully mechanized mining supporter has very large superiority from cost of transportation to replacing parts and part application life, and the maintenance of support year, maintenance cost comparatively conventional stent significantly reduce.Hydraulic support is after work one-phase, need removal of home, conventional stent Xu Qing professional contingent, employs professional equipment, generally, a face moving cycle was at about one month, novel fully mechanized mining supporter is lightweight, and the structure member life-span is long, moves without the need to professional equipment, only with the common haulage device in colliery, the removal of home cycle can shorten half.
Accompanying drawing explanation
Fig. 1 is left view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the left view of embodiments of the invention 2;
Fig. 4 is the left view of traditional fully mechanized mining supporter.
In figure 1, back timber; 2, hydraulic prop; 3, cross support bar one; 4, base plate; 5, hydraulic haulage bar; 6, cross support bar two; 7, double leval jib; 31, cross support bar group one; 32, cross support bar group two;
The present invention is not by the restriction of this accompanying drawing profile, and when basic structure is constant, only the change of profile is also among guarantor's scope of this patent.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is invented: embodiment one: see accompanying drawing, be provided with the coal mining support of cross support bar, be provided with back timber 1 and base plate 4, base plate is provided with supporting top beam, and the hydraulic prop 2 braked back timber rising and decline, this hydraulic prop is provided with four, is vertically fixed on base plate, and base plate is provided with the hydraulic haulage bar 5 pulling support to move forward; Base plate is provided with firm back timber, make the support bar of the parallel lifting of back timber, this support bar is chi structure, two bars are one group, centre is provided with connecting axle, this cross support bar 3,6 is arranged on limit, the base plate left and right sides, four strong points of the top and bottom of cross support bar, be divided into two groups: longitudinally two front support points and two rear support points, in these forward and backward two groups of strong points, one group is linked with the edge of back timber and base plate respectively by movable axis, and another group is connected with top board and base plate slidably by slide unit.The described cross support bar being arranged on base plate both sides, the cross support bar of every side is two Metallic rod of establishing axle intersection to be flexibly connected in the middle of a group.The slide unit that described cross support bar is slidably connected with back timber and base plate is made up of the slide rail be located on back timber and base plate and the slide plate being arranged on supporting bar top.Back timber is provided with rechargeable battery and emergency light.Back timber is provided with gas concentration monitoring device, gas density display and gas density to exceed standard alarm, and carries out signal with the upper and lower signal transmission system of mine and be connected.Back timber is provided with the camera in alignment work face, and this camera carries out signal with the upper and lower signal transmission system of mine and is connected.Back timber is provided with support of mines GPS locator, and this locator and mining area GPS navigation system are located by connecting.The exceed standard setting of alarm, camera and support of mines GPS locator of rechargeable battery, emergency light, gas concentration monitoring device, gas density display, gas density is not abandon simply beat or pile structure set, the circuit of shared circuit board and harmony design is provided with between them, and being provided with PLC, this PLC and above-mentioned each functional part carry out signal and control connection; And be provided with the signal inlet and outlet connectors that PLC controls, be also provided with the transmission of wireless signals interface that the upper and lower signal transmission system with mine carries out signal exchange, and the central monitoring computer arranged with mine upper ground surface with show giant-screen and carry out wireless signal and be connected.
Embodiment two: see accompanying drawing, is provided with the coal mining support of cross support bar, described in be arranged on the cross support bar of base plate both sides, the cross support bar of every side is establish axle to intersect two Metallic rod 31,32 be flexibly connected in the middle of two groups.The slide unit that described cross support bar is slidably connected with back timber and base plate is made up of the slide rail be located on back timber and base plate and the roller being arranged on supporting bar top.The upper end that described cross support bar is connected with back timber is that lower end is plugged on telescopic flexible connection termination in interleaving support bar.The axis hole of the connecting axle in the middle of described cross support bar is 10cm elongated hole, and connecting axle can slide in hole.Other structures are identical with embodiment one.
Above-described embodiment manufactures experimently 20, after fully mechanized mining supporter originally makes the present embodiment structure into, is kept to only 5 tons by original every platform weight 12 tons.Use on same work plane with each 10 supports, former fully mechanized mining supporter installs 10 framves from transport, to Installation and Debugging, 10 days recruitment 15 people's used times, the present embodiment structure stand 10 frame from being transported to Installation and Debugging, recruitment 7 people, 5 days used times, the each lifting moving operation of former fully mechanized mining supporter, need the operation that 3 workmans comparatively require great effort, the support of the present embodiment only needs two people's easy manipulation; A lifting moving operation, with man-hour, reduces 5-10 minute than former support; In 10 fully mechanized mining supporters originally, monthly have damage to report for repairment, and three middle of the month tried out by the present embodiment support, none damage is reported for repairment.The support of the present embodiment has saved manufacture, transport, running cost greatly, alleviates labour intensity, significantly improves production efficiency.
When not changing basic structure of the present invention, the similar change made also should belong among the protection domain of this patent.
Claims (10)
1. one kind is provided with the coal mining support of cross support bar, be provided with back timber (1) and base plate (4), base plate is provided with supporting top beam, and the hydraulic prop (2) braked back timber rising and decline, this hydraulic prop is provided with four, be vertically fixed on base plate, base plate is provided with the hydraulic haulage bar (5) pulling support to move forward; It is characterized in that: on base plate, be provided with firm back timber, make the support bar of the parallel lifting of back timber, this support bar is chi structure, two bars are one group, centre is provided with connecting axle, this cross support bar (3,6) is arranged on limit, the base plate left and right sides, four strong points of the top and bottom of cross support bar, be divided into two groups: longitudinally two front support points and two rear support points, in these forward and backward two groups of strong points, one group is linked with the edge of back timber and base plate respectively by movable axis, and another group is connected with top board and base plate slidably by slide unit.
2. coal mining support according to claim 1, it is characterized in that: described in be arranged on the cross support bar of base plate both sides, the cross support bar of every side is that the Metallic rod of hinge joint mutually between a group or two groups (31,32) or array is formed, and each group intersects two Metallic rod be flexibly connected for middle axle of establishing.
3. coal mining support according to claim 1, is characterized in that: the slide unit that described cross support bar is slidably connected with back timber and base plate, is to be made up of the slide rail be located on back timber and base plate and the slide plate or roller being arranged on supporting bar top.
4. coal mining support according to claim 1, is characterized in that: on back timber, be provided with rechargeable battery and emergency light.
5. coal mining support according to claim 1, is characterized in that: on back timber, be provided with gas concentration monitoring device, gas density display and gas density exceed standard alarm, and carries out signal with the upper and lower signal transmission system of mine and be connected.
6. coal mining support according to claim 1, is characterized in that: the camera being provided with alignment work face on back timber, and this camera carries out signal with the upper and lower signal transmission system of mine and is connected.
7. coal mining support according to claim 1, is characterized in that: on back timber, be provided with support of mines GPS locator, and this locator and mining area GPS navigation system are located by connecting.
8. coal mining support according to claim 1, it is characterized in that: above-mentioned functions parts: the exceed standard setting of alarm, camera and support of mines GPS locator of rechargeable battery, emergency light, gas concentration monitoring device, gas density display, gas density is not abandon simply beat or pile structure set, the circuit of shared circuit board and harmony design is provided with between them, and being provided with PLC, this PLC and above-mentioned each functional part carry out signal and control connection; And be provided with the signal inlet and outlet connectors that PLC controls, be also provided with the transmission of wireless signals interface that the upper and lower signal transmission system with mine carries out signal exchange, and the central monitoring computer arranged with mine upper ground surface with show giant-screen and carry out wireless signal and be connected.
9. coal mining support according to claim 1, is characterized in that: the upper end that described cross support bar is connected with back timber is that lower end is plugged on telescopic flexible connection termination in interleaving support bar.
10. coal mining support according to claim 1, is characterized in that: the axis hole of the connecting axle in the middle of described cross support bar is elongated hole, and connecting axle can slide in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033325.4A CN104612736B (en) | 2015-01-23 | 2015-01-23 | It is provided with the coal mining support of cross support bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033325.4A CN104612736B (en) | 2015-01-23 | 2015-01-23 | It is provided with the coal mining support of cross support bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612736A true CN104612736A (en) | 2015-05-13 |
| CN104612736B CN104612736B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510033325.4A Active CN104612736B (en) | 2015-01-23 | 2015-01-23 | It is provided with the coal mining support of cross support bar |
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| Country | Link |
|---|---|
| CN (1) | CN104612736B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905845A (en) * | 2017-10-19 | 2018-04-13 | 秦士杰 | There is the support of tunnel structure of locating alarming |
| CN108468560A (en) * | 2018-05-30 | 2018-08-31 | 西安科技大学 | A kind of half-edge coal seam puppet is bowed plagioclase wall Z-shaped supporting frame quarrying apparatus and method |
| CN110017169A (en) * | 2019-03-25 | 2019-07-16 | 淮北矿业股份有限公司 | A kind of monitoring system of ore faces roof pressure and gas drainage |
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| US4140430A (en) * | 1977-05-05 | 1979-02-20 | Bochumer Eisenhutte Heintzmann Gmbh & Co | Walking mine roof support |
| CN2702055Y (en) * | 2003-12-31 | 2005-05-25 | 黄尚智 | Stabilizing mechanism for telescopic rod of hydraulic support |
| CN201476701U (en) * | 2009-06-04 | 2010-05-19 | 国营第三九四厂 | Packing box of rocket tube trainer |
| CN201496087U (en) * | 2009-08-26 | 2010-06-02 | 四川神坤装备股份有限公司 | Lift platform mechanism for hydraulic bracket with great mining height |
| CN202499686U (en) * | 2012-02-08 | 2012-10-24 | 宁波宝新不锈钢有限公司 | Hydraulic elevator platform used for loading and unloading stainless steel welded pipes |
| CN204663562U (en) * | 2015-01-23 | 2015-09-23 | 柳立新 | Be provided with the coal mining support of cross support bar |
-
2015
- 2015-01-23 CN CN201510033325.4A patent/CN104612736B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140430A (en) * | 1977-05-05 | 1979-02-20 | Bochumer Eisenhutte Heintzmann Gmbh & Co | Walking mine roof support |
| CN2702055Y (en) * | 2003-12-31 | 2005-05-25 | 黄尚智 | Stabilizing mechanism for telescopic rod of hydraulic support |
| CN201476701U (en) * | 2009-06-04 | 2010-05-19 | 国营第三九四厂 | Packing box of rocket tube trainer |
| CN201496087U (en) * | 2009-08-26 | 2010-06-02 | 四川神坤装备股份有限公司 | Lift platform mechanism for hydraulic bracket with great mining height |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905845A (en) * | 2017-10-19 | 2018-04-13 | 秦士杰 | There is the support of tunnel structure of locating alarming |
| CN108468560A (en) * | 2018-05-30 | 2018-08-31 | 西安科技大学 | A kind of half-edge coal seam puppet is bowed plagioclase wall Z-shaped supporting frame quarrying apparatus and method |
| CN108468560B (en) * | 2018-05-30 | 2024-03-26 | 西安科技大学 | Device and method for mining pseudo-depression inclined long-wall Z-shaped bracket of steep coal seam |
| CN110017169A (en) * | 2019-03-25 | 2019-07-16 | 淮北矿业股份有限公司 | A kind of monitoring system of ore faces roof pressure and gas drainage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612736B (en) | 2017-04-05 |
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