CN108590725A - Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching - Google Patents
Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching Download PDFInfo
- Publication number
- CN108590725A CN108590725A CN201810351138.4A CN201810351138A CN108590725A CN 108590725 A CN108590725 A CN 108590725A CN 201810351138 A CN201810351138 A CN 201810351138A CN 108590725 A CN108590725 A CN 108590725A
- Authority
- CN
- China
- Prior art keywords
- water
- side guard
- bracket side
- guard plate
- hydraulic bracket
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 165
- 230000009467 reduction Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of device for being influenced by top plate water drenching of reduction operating personnel, including hydraulic bracket side guard plate, water guide, intercept water device and charge for remittance, drainage arrangement；The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate, and the charge for remittance, drainage arrangement are arranged in the hydraulic bracket side guard plate lower edge.The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, and the water drenching flowed down along hydraulic bracket side guard plate is prevented to be discharged in non-drainage, to be orderly cascade by the unordered cascade on hydraulic bracket side guard plate, reduces the influence to operating personnel.Present invention also provides a kind of hydraulic supports on this basis.
Description
Technical field
The present invention relates to coal mine equipment, more particularly to a kind of device for reducing operating personnel and being influenced by top plate water drenching.
Background technology
Water damage is one of coal mine " five is big " disaster, main harm：It influences the exploitation of coal resources, deteriorate shaft production item
Part, causes to flood well accident the cost for increasing mining.
Top plate water drenching hazard factor existing for most mines can lead to work if cannot handle well when water drenching is big
Face water logging not only influences being normally carried out for safety in production, but also can damage electrical equipment, reduces the service life of electrical equipment.
Fully mechanized mining (put) face roof water drenching it is larger when, under the protection of hydraulic support integral top beam, water drenching mainly passes through
Gap between holder forms unordered cascade along side guard plate between frame, into the walking space of working face operating personnel, in work
Make the face operating personnel operation process that goes and back running and water operating personnel, seriously affects the physical and mental health of operating personnel.
Invention content
The purpose of the present invention is to provide a kind of devices that reduction operating personnel is influenced by top plate water drenching, to solve existing skill
Above-mentioned technical problem present in art.
It is provided by the invention to reduce the device that is influenced by top plate water drenching of operating personnel, including hydraulic bracket side guard plate, water guide,
Intercept water device and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate, and the charge for remittance, drainage arrangement are arranged in institute
State hydraulic bracket side guard plate lower edge.
Further, the water guide, the device that intercepts water include the guiding gutter being arranged on the hydraulic bracket side guard plate and lead
Waterwall.
Further, the charge for remittance, drainage arrangement include the exhalent canal being arranged in the hydraulic bracket side guard plate lower edge.
Further, the charge for remittance, drainage arrangement include the draining-point being arranged in the hydraulic bracket side guard plate lower edge.
Further, the charge for remittance, drainage arrangement include be arranged the hydraulic bracket side guard plate lower edge exhalent canal and
Draining-point.
Further, the guiding gutter is inclined on the hydraulic bracket side guard plate.
Further, the guiding gutter is using upper oblique, lower flat, bottom flat structure.
Further, the guide-wall is inclined on the hydraulic bracket side guard plate.
Further, the guide-wall is welded on the hydraulic bracket side guard plate.
The device provided by the invention for reducing operating personnel and being influenced by top plate water drenching, has the following advantages that：
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing down along hydraulic bracket side guard plate
Water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate be orderly cascade, reduce to operation
The influence of personnel.
In addition, the present invention also provides a kind of hydraulic support, including above-mentioned reduction operating personnel is influenced by top plate water drenching
Device.
Using the hydraulic support for the device that above-mentioned reduction operating personnel is influenced by top plate water drenching, there is higher practicability.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is water guide before the frame that provides of the embodiment of the present invention one on walking manner hydraulic bracket side guard plate, intercept water device
With charge for remittance, the structural schematic diagram of drainage arrangement.
Fig. 2 is water guide in the frame that provides of the embodiment of the present invention one on walking manner hydraulic bracket side guard plate, intercept water device
With charge for remittance, the structural schematic diagram of drainage arrangement.
Fig. 3 is the connection relationship diagram of guiding gutter and guide-wall that the embodiment of the present invention one provides.
Reference numeral：1- hydraulic bracket side guard plates；2- guiding gutters；3- guide-walls；4- exhalent canals；5- draining-points.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Embodiment one：
Fig. 1 is water guide before the frame that provides of the embodiment of the present invention one on walking manner hydraulic bracket side guard plate, intercept water device
With charge for remittance, the structural schematic diagram of drainage arrangement；Walking manner hydraulic support side shield in the frame that Fig. 2 provides for the embodiment of the present invention one
The structural schematic diagram of water guide, intercept water device and charge for remittance, drainage arrangement on plate；Fig. 3 is the water guide that the embodiment of the present invention one provides
The connection relationship diagram of slot and guide-wall；As shown in Figure 1-Figure 3, the reduction operating personnel that the embodiment of the present invention one provides is pushed up
The device that plate water drenching influences, including hydraulic bracket side guard plate 1, water guide, intercept water device and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include 4 and of exhalent canal being arranged in 1 lower edge of the hydraulic bracket side guard plate
Draining-point 5.
Exhalent canal 4 and draining-point 5 can be separately provided or be equipped with.
Embodiment two：
The device that the reduction operating personnel that the present embodiment two provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example two, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include the exhalent canal 4 being arranged in 1 lower edge of the hydraulic bracket side guard plate.
Embodiment three：
The device that the reduction operating personnel that the present embodiment three provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example three, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include the draining-point 5 being arranged in 1 lower edge of the hydraulic bracket side guard plate.
Example IV：
The device that the reduction operating personnel that the present embodiment four provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example four, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include 4 and of exhalent canal being arranged in 1 lower edge of the hydraulic bracket side guard plate
Draining-point 5.
Exhalent canal 4 and draining-point 5 can be separately provided or be equipped with.
Specifically, the guiding gutter 2 is inclined on the hydraulic bracket side guard plate 1.
Embodiment five：
The device that the reduction operating personnel that the present embodiment five provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example five, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include 4 and of exhalent canal being arranged in 1 lower edge of the hydraulic bracket side guard plate
Draining-point 5.
Exhalent canal 4 and draining-point 5 can be separately provided or be equipped with.
Specifically, the guiding gutter 2 is inclined on the hydraulic bracket side guard plate 1.
Specifically, the guiding gutter 2 is using upper oblique, lower flat, bottom flat structure, convenient for intercepting water and water guide.
Embodiment six：
The device that the reduction operating personnel that the present embodiment six provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example six, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include 4 and of exhalent canal being arranged in 1 lower edge of the hydraulic bracket side guard plate
Draining-point 5.
Exhalent canal 4 and draining-point 5 can be separately provided or be equipped with.
Specifically, the guiding gutter 2 is inclined on the hydraulic bracket side guard plate 1.
Specifically, the guiding gutter 2 is using upper oblique, lower flat, bottom flat structure, convenient for intercepting water and water guide.
Specifically, the guide-wall 3 is inclined on the hydraulic bracket side guard plate 1, play intercept water, the work of water guide
With.
Embodiment seven：
The device that the reduction operating personnel that the present embodiment seven provides is influenced by top plate water drenching is subtracted to one offer of embodiment
The device that small operating personnel is influenced by top plate water drenching is further improved, on the basis of embodiment one and Fig. 1-Fig. 3, this reality
Apply the device that is influenced by top plate water drenching of reduction operating personnel of the offer of example seven, including hydraulic bracket side guard plate 1, water guide, intercept water dress
It sets and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate 1, and the charge for remittance, drainage arrangement setting exist
1 lower edge of the hydraulic bracket side guard plate.
The water that charge for remittance, drainage arrangement collect water guide, the device that intercepts water concentrates discharge, prevents from flowing along hydraulic bracket side guard plate 1
Under water drenching be discharged in non-drainage, to by the unordered cascade on hydraulic bracket side guard plate 1 be orderly cascade, reduce to make
The influence of industry personnel.
Specifically, the water guide, the device that intercepts water include the guiding gutter 2 being arranged on the hydraulic bracket side guard plate 1 and lead
Waterwall 3.
Specifically, the charge for remittance, drainage arrangement include 4 and of exhalent canal being arranged in 1 lower edge of the hydraulic bracket side guard plate
Draining-point 5.
Exhalent canal 4 and draining-point 5 can be separately provided or be equipped with.
Specifically, the guiding gutter 2 is inclined on the hydraulic bracket side guard plate 1.
Specifically, the guiding gutter 2 is using upper oblique, lower flat, bottom flat structure, convenient for intercepting water and water guide.
Specifically, the guide-wall 3 is inclined on the hydraulic bracket side guard plate 1, play intercept water, the work of water guide
With.
Specifically, the guide-wall 3 is welded on the hydraulic bracket side guard plate 1.
Embodiment eight：
Present invention also provides a kind of hydraulic supports, including the upper device for reducing operating personnel and being influenced by top plate water drenching.
Using the hydraulic support for the device that above-mentioned reduction operating personnel is influenced by top plate water drenching, there is higher practicability.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of device for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that including hydraulic bracket side guard plate, lead
Water, intercept water device and charge for remittance, drainage arrangement；
The water guide, the device that intercepts water are arranged on the hydraulic bracket side guard plate, and the charge for remittance, drainage arrangement are arranged in the liquid
Press holder side guard plate lower edge.
2. the device according to claim 1 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that described to lead
Water, the device that intercepts water include the guiding gutter and guide-wall being arranged on the hydraulic bracket side guard plate.
3. the device according to claim 1 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that the remittance
Water, drainage arrangement include the exhalent canal being arranged in the hydraulic bracket side guard plate lower edge.
4. the device according to claim 1 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that the remittance
Water, drainage arrangement include the draining-point being arranged in the hydraulic bracket side guard plate lower edge.
5. the device according to claim 1 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that the remittance
Water, drainage arrangement include the exhalent canal and draining-point being arranged in the hydraulic bracket side guard plate lower edge.
6. the device according to claim 1 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that the water guide
Slot is inclined on the hydraulic bracket side guard plate.
7. the device that the reduction operating personnel according to claim 2 or 6 is influenced by top plate water drenching, which is characterized in that described
Guiding gutter is using upper oblique, lower flat, bottom flat structure.
8. the device according to claim 2 for reducing operating personnel and being influenced by top plate water drenching, which is characterized in that the water guide
Wall is inclined on the hydraulic bracket side guard plate.
9. the device that the reduction operating personnel according to claim 2 or 8 is influenced by top plate water drenching, which is characterized in that described
Guide-wall is welded on the hydraulic bracket side guard plate.
10. a kind of hydraulic support, which is characterized in that pushed up including the reduction operating personnel described in any one of claim 1-9
The device that plate water drenching influences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351138.4A CN108590725A (en) | 2018-04-18 | 2018-04-18 | Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351138.4A CN108590725A (en) | 2018-04-18 | 2018-04-18 | Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108590725A true CN108590725A (en) | 2018-09-28 |
Family
ID=63611247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810351138.4A Pending CN108590725A (en) | 2018-04-18 | 2018-04-18 | Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590725A (en) |
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| CN2223780Y (en) * | 1995-03-29 | 1996-04-03 | 张连杰 | Multi-function retaining-plate |
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| CN205638497U (en) * | 2016-05-25 | 2016-10-12 | 李慧 | Tunnel waterproof structure |
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| CN107575264A (en) * | 2017-10-13 | 2018-01-12 | 北京工业大学 | A kind of composite material corrugated slab supporting waterproof and water drainage system |
| CN207032609U (en) * | 2017-08-04 | 2018-02-23 | 江苏宝迪建设工程有限公司 | The multiple spot drainage system of sloping roof |
| CN208502819U (en) * | 2018-04-18 | 2019-02-15 | 天地科技股份有限公司 | Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching |
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| DE4206424A1 (en) * | 1992-02-29 | 1993-09-16 | Paurat F | Plant for introducing reinforcing layer under waste deposits - forms grid of drainage channels in floor of excavated layer and has movable support frame operated in area to be filled. |
| CN2223780Y (en) * | 1995-03-29 | 1996-04-03 | 张连杰 | Multi-function retaining-plate |
| CN2863952Y (en) * | 2005-12-19 | 2007-01-31 | 陈伟忠 | Waterproof drainage armour plate |
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| CN103075167A (en) * | 2013-02-05 | 2013-05-01 | 上海大屯能源股份有限公司 | Cloth erection water-proof method for underground top plate sprinkling water |
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| CN204282656U (en) * | 2014-12-10 | 2015-04-22 | 卢安平 | Clear water mould precast concrete antique glazed tile enclosure wall bears down on one |
| CN204940709U (en) * | 2015-08-29 | 2016-01-06 | 安徽鲁班钢构有限公司 | A kind of double-deck waterproof ridge tiles |
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| CN207032609U (en) * | 2017-08-04 | 2018-02-23 | 江苏宝迪建设工程有限公司 | The multiple spot drainage system of sloping roof |
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| CN208502819U (en) * | 2018-04-18 | 2019-02-15 | 天地科技股份有限公司 | Reduce device and hydraulic support that operating personnel is influenced by top plate water drenching |
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