CN204591325U - Be provided with the coal cutting roadway face end support of cross support bar - Google Patents
Be provided with the coal cutting roadway face end support of cross support bar Download PDFInfo
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- CN204591325U CN204591325U CN201520045861.1U CN201520045861U CN204591325U CN 204591325 U CN204591325 U CN 204591325U CN 201520045861 U CN201520045861 U CN 201520045861U CN 204591325 U CN204591325 U CN 204591325U
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- base plate
- back timber
- support bar
- support
- coal cutting
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Abstract
The utility model relates to a kind of coal cutting roadway face end support being provided with cross support bar, this support is 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, be vertically fixed on base plate, 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, and two bars are one group, centre is provided with connecting axle, and this cross support bar is arranged on back edge that is in limit, the base plate left and right sides and base plate; Four strong points of the top and bottom of cross support bar, be longitudinally divided into two groups, 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 utility model is applicable to coal cutting roadway corner and supports, and support effect is good, and efficiency is high, saves material, is convenient to shipment and safeguards.
Description
Technical field
The utility model relates to a kind of bracing or strutting arrangement of a kind of and lower coal mining activity, specifically a kind of coal cutting roadway face end support adopting the cross support bar of new structure, and 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, being starved of and technological improvement carried out to existing fastening, in existing support, use a kind of back timber bracing or strutting arrangement of brand new, make the fastening in coal work---support is safety more rapidly and efficiently, and cost reduces, to meet the needs of coal work development.
Utility model content
The purpose of this utility model is to solve the problems of the technologies described above, a kind of coal cutting roadway face end support being provided with cross support bar is proposed, this support is used in coal cutting roadway corner, support adopts the structure of cross support bar, the support back timber of support being carried out to lifting process, with firm, 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, eliminates traditional double leval jib and supports
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 utility model 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 utility model 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 coal cutting roadway face end support of the present utility model: coal cutting roadway face end support of the present utility model 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.
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 utility model 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 utility model 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 utility model: coal mining support of the present utility model 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 work one-phase after, need removal of home, conventional stent Xu Qing professional contingent, employs professional equipment, generally, a face moving cycle 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, and 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 utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the left view of embodiment 2 of the present utility model;
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; 7, double leval jib; 31, cross support bar group one; 32, cross support bar group two;
The utility model 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, utility model is carried out to the utility model: embodiment one: see accompanying drawing, be provided with the coal cutting roadway face end 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, and centre is provided with connecting axle, and this cross support bar 3 is arranged on the back edge of the left side in limit, the base plate left and right sides and base plate, four strong points of the top and bottom of cross support bar, longitudinally be divided into two groups, 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, be provided with the coal cutting roadway face end support of cross support bar, the described cross support bar be arranged on base plate one side and back edge, each cross support bar is two Metallic rod 31,32 of establishing axle intersection to be flexibly connected in the middle of two groups, movable hinge joint between 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.
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 utility model, the similar change made also should belong among the protection domain of this patent.
Claims (7)
1. one kind is provided with the coal cutting roadway face end 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) is arranged on the back edge of one side in limit, the base plate left and right sides and base plate, four strong points of the top and bottom of cross support bar, longitudinally be divided into two groups, 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 cutting roadway face end support according to claim 1, it is characterized in that: described in be arranged on cross support bar on base plate, each cross support bar 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 cutting roadway face end 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 cutting roadway face end support according to claim 1, is characterized in that: on back timber, be 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.
5. coal cutting roadway face end support according to claim 4, 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.
6. coal cutting roadway face end 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.
7. coal cutting roadway face end 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 |
|---|---|---|---|
| CN201520045861.1U CN204591325U (en) | 2015-01-23 | 2015-01-23 | Be provided with the coal cutting roadway face end support of cross support bar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520045861.1U CN204591325U (en) | 2015-01-23 | 2015-01-23 | Be provided with the coal cutting roadway face end support of cross support bar |
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| CN204591325U true CN204591325U (en) | 2015-08-26 |
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| CN201520045861.1U Active CN204591325U (en) | 2015-01-23 | 2015-01-23 | Be provided with the coal cutting roadway face end support of cross support bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-01-23 CN CN201520045861.1U patent/CN204591325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |