CN105400430A - Hydraulic bracket stand column protective sleeve for coal mine - Google Patents
Hydraulic bracket stand column protective sleeve for coal mine Download PDFInfo
- Publication number
- CN105400430A CN105400430A CN201510933400.2A CN201510933400A CN105400430A CN 105400430 A CN105400430 A CN 105400430A CN 201510933400 A CN201510933400 A CN 201510933400A CN 105400430 A CN105400430 A CN 105400430A
- Authority
- CN
- China
- Prior art keywords
- protective sleeve
- base material
- parts
- sheath body
- temperature
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 24
- 239000003245 coal Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 241000196324 Embryophyta Species 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920000881 Modified starch Polymers 0.000 claims description 4
- 239000004368 Modified starch Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 235000019426 modified starch Nutrition 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 229960003742 phenol Drugs 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000643 oven drying Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
A hydraulic bracket stand column protective sleeve for coal mine is characterized by comprising a protective sleeve body; one side of the protective sleeve body is provided with button holes, the other side of the protective sleeve body is provided with buckles, and the buckles can be buckled in the buckle holes to coil the protective sleeve body into a cylinder; parts, located at two sides of the protective sleeve body, of the upper end and the lower end of the protective sleeve body are each provided with a fastening hole, and the protective sleeve body is fastened on a stand column through a connection fastening member; the protective sleeve has the advantages of simple structure, novel design, high strength and good antistatic performance, and allows heat resistance and cold resistance to conform to requirements of GB/T 20105-2006.
Description
Technical field
The present invention relates to mining ventilation installation technical field, be specifically related to a kind of coal-mine hydraulic support column protective sleeve.
Background technology
Coal mine underground hydraulic support frame column protective sleeve is wrapped on hydraulic support outside surface, plays the effect such as work-ing life of protection hydraulic prop, dust-proof, touch-proof, prolongation hydraulic support column; Also may be used for the protection of the appearance such as the leading screw of underground coal mine hydraulic efficiency installation, feed rod, column, axle, can play waterproof, dust-proof, grease proofing, the effect such as corrosion-resistant, is applicable to various environment.The material of traditional protection cover is coating cloth of plastic ventilator, and unitary plastic material, intensity is not high, and flame retardant resistance is also bad.
Summary of the invention
It is wide that technical problem to be solved by this invention is to provide a kind of use range, the coal-mine hydraulic support column protective sleeve that intensity is good.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of coal-mine hydraulic support column protective sleeve; comprise a sheath body; described sheath body is while be provided with buttonhole; the other side is provided with buckle; described buckle can be fastened in buttonhole; sheath body is rolled into cylindrical shape, and described sheath body top and bottom are positioned at sheath body both sides and are respectively provided with a fastener hole, are fastened on column by sheath body by connecting fastening piece.
Described sheath body comprises a casing ply, and described casing ply coated on both sides has high strength layer, and the thickness of described high strength layer is at 0.2-0.8cm, described high strength layer is that the coating material coating of being made up of the component of following parts by weight forms: pitch 80 parts, nano-ceramic powder 6 parts, nano oxidized boron 0.3 part, synthetic resins 2 parts, modified starch 0.8 part, fire retardant 1 part, 0.2 part, powder urea, linear polyethylene 2 parts, urethane 1.2 parts, dibutyl tin laurate 0.15 part, sewer oil 1.2 parts, industry glycerol 0.05 part, stablizer 0.5 part, amine hydroxybenzene 0.1 part, expanded graphite 0.8 part, nanometer silicon carbide 0.2 part, natural rubber powder 5 parts, fatty acid zinc 0.6 part, 0.5 part, zirconium English powder.During preparation, above-mentioned materials is melted, be coated on casing ply.
The preparation method of described casing ply is as follows:
(1) choose base material, base material sent in oven drying at low temperature equipment, at temperature 55-68 DEG C, adopt hot blast low-temperature bake 20-26 DEG C, be beneficial to the softening of base material, strengthen base material and coating material in conjunction with dynamics;
(2) base material in step (1) is taken out, first leave standstill and send into drying plant after 15-30 minute, at temperature 62-65 DEG C, then adopt the first preliminary drying 4-6 minute of hot blast, then bake 3-5 minute at temperature 85-90 DEG C;
(3) base material after process in (rapid 2) is sent into refrigerating apparatus, continuous freezing 3.5-4 hour under subzero 20-23 DEG C environment;
(4) taken out by the base material in step (3), send into drying plant, temperature controls at 55-58 DEG C, and the time is at 10-20 minute;
(5) base material in step (4) is put on production line, to base material dip-coating coating material, then form through rolling, cooling, cutting, winding.
The specifications and models of this product are the hydraulic support dimensional requirement that provides according to user and determine; column protective sleeve is wrapped on hydraulic support outside surface; can do with hydraulic support parts and stretch and compression movement; horizontal or vertical motion all can use, and does not in use hinder the relative movement of any parts.The hydraulic support size that factory provides according to user, need make sample, and after trial assembly meets the requirements, can produce in batches.
The invention has the beneficial effects as follows: structure of the present invention is simple, novel in design, intensity is high, and antistatic property is good, and thermotolerance and winter hardiness should meet the requirement of GB/T20105-2006.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Embodiment 1
As shown in Figure 1; a kind of coal-mine hydraulic support column protective sleeve; comprise a sheath body 1; sheath body 1 is while be provided with buttonhole 2; the other side is provided with buckle 3, and buckle 3 can be fastened in buttonhole 2, and sheath body 1 is rolled into cylindrical shape; sheath body 1 top and bottom are positioned at sheath body both sides and are respectively provided with a fastener hole 4, are fastened on column by sheath body 1 by connecting fastening piece.
Sheath body 1 comprises a casing ply, and this casing ply adopts coating cloth of plastic ventilator to make, casing ply coated on both sides has high strength layer, and the thickness of high strength layer is at 0.2-0.8cm, high strength layer is that the coating material coating of being made up of the component of following parts by weight forms: pitch 80 parts, nano-ceramic powder 6 parts, nano oxidized boron 0.3 part, synthetic resins 2 parts, modified starch 0.8 part, fire retardant 1 part, 0.2 part, powder urea, linear polyethylene 2 parts, urethane 1.2 parts, dibutyl tin laurate 0.15 part, sewer oil 1.2 parts, industry glycerol 0.05 part, stablizer 0.5 part, amine hydroxybenzene 0.1 part, expanded graphite 0.8 part, nanometer silicon carbide 0.2 part, natural rubber powder 5 parts, fatty acid zinc 0.6 part, 0.5 part, zirconium English powder.During preparation, above-mentioned materials is melted, be coated on casing ply.
Embodiment 2
As shown in Figure 1; a kind of coal-mine hydraulic support column protective sleeve; comprise a sheath body 1; sheath body 1 is while be provided with buttonhole 2; the other side is provided with buckle 3, and buckle 3 can be fastened in buttonhole 2, and sheath body 1 is rolled into cylindrical shape; sheath body 1 top and bottom are positioned at sheath body both sides and are respectively provided with a fastener hole 4, are fastened on column by sheath body 1 by connecting fastening piece.
Described sheath body comprises a casing ply, and described casing ply coated on both sides has high strength layer, and the thickness of described high strength layer is at 0.2-0.8cm, described high strength layer is that the coating material coating of being made up of the component of following parts by weight forms: pitch 80 parts, nano-ceramic powder 6 parts, nano oxidized boron 0.3 part, synthetic resins 2 parts, modified starch 0.8 part, fire retardant 1 part, 0.2 part, powder urea, linear polyethylene 2 parts, urethane 1.2 parts, dibutyl tin laurate 0.15 part, sewer oil 1.2 parts, industry glycerol 0.05 part, stablizer 0.5 part, amine hydroxybenzene 0.1 part, expanded graphite 0.8 part, nanometer silicon carbide 0.2 part, natural rubber powder 5 parts, fatty acid zinc 0.6 part, 0.5 part, zirconium English powder.During preparation, above-mentioned materials is melted, be coated on casing ply.
The preparation method of described casing ply is as follows:
(1) choose base material, base material sent in oven drying at low temperature equipment, at temperature 55-68 DEG C, adopt hot blast low-temperature bake 20-26 DEG C, be beneficial to the softening of base material, strengthen base material and coating material in conjunction with dynamics;
(2) base material in step (1) is taken out, first leave standstill and send into drying plant after 15-30 minute, at temperature 62-65 DEG C, then adopt the first preliminary drying 4-6 minute of hot blast, then bake 3-5 minute at temperature 85-90 DEG C;
(3) base material after process in (rapid 2) is sent into refrigerating apparatus, continuous freezing 3.5-4 hour under subzero 20-23 DEG C environment;
(4) taken out by the base material in step (3), send into drying plant, temperature controls at 55-58 DEG C, and the time is at 10-20 minute;
(5) base material in step (4) is put on production line, to base material dip-coating coating material, then form through rolling, cooling, cutting, winding.
The performance of product of the present invention
1, the physical and mechanical properties of product
| Warp, broadwise pull apart brute force (N/50mm) | Warp, broadwise tear edge (N) |
| ≥1000 | ≥100 |
2, flame retardant properties
Column protective sleeve coated cloth has flame retardant properties, and its flame retardant properties meets following table:
1. during alcohol blast burner test:
2. during spirit lamp test
3, antistatic property:
Column protective sleeve coated cloth has antistatic property, and its upper and lower two surperficial sheet resistance value are all not more than 3 × 10
8Ω.
4, the scope of application:
The appearance protection such as this product underground coal mine hydraulic prop equipment supporter, leading screw, feed rod, column, axle.
Install: just column protective sleeve all launches, above the appearance of parcel and hydraulic support column, lay is straight, buckles well cross buckle symmetrically, fastens drawstring.
Precaution: avoid physical abuse and artificial damage, avoid sharp weapon to swipe, answer running check, find that breakage should be changed in time, repair, in order to avoid breakage is spread, expands.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a coal-mine hydraulic support column protective sleeve, it is characterized in that, comprise a sheath body, described sheath body is while be provided with buttonhole, the other side is provided with buckle, and described buckle can be fastened in buttonhole, and sheath body is rolled into cylindrical shape, described sheath body top and bottom are positioned at sheath body both sides and are respectively provided with a fastener hole, are fastened on column by connecting fastening piece by sheath body;
Described sheath body comprises a casing ply, described casing ply coated on both sides has high strength layer, described high strength layer is that the coating material coating of being made up of the component of following parts by weight forms: pitch 80 parts, nano-ceramic powder 6 parts, nano oxidized boron 0.3 part, synthetic resins 2 parts, modified starch 0.8 part, fire retardant 1 part, 0.2 part, powder urea, linear polyethylene 2 parts, urethane 1.2 parts, dibutyl tin laurate 0.15 part, sewer oil 1.2 parts, industry glycerol 0.05 part, stablizer 0.5 part, amine hydroxybenzene 0.1 part, expanded graphite 0.8 part, nanometer silicon carbide 0.2 part, natural rubber powder 5 parts, fatty acid zinc 0.6 part, 0.5 part, zirconium English powder.
2. coal-mine hydraulic support column protective sleeve according to claim 1, is characterized in that, the thickness of described high strength layer is at 0.2-0.8cm.
3. coal-mine hydraulic support column protective sleeve according to claim 1, it is characterized in that, the preparation method of described casing ply is as follows:
(1) choose base material, base material sent in oven drying at low temperature equipment, at temperature 55-68 DEG C, adopt hot blast low-temperature bake 20-26 DEG C, be beneficial to the softening of base material, strengthen base material and coating material in conjunction with dynamics;
(2) base material in step (1) is taken out, first leave standstill and send into drying plant after 15-30 minute, at temperature 62-65 DEG C, then adopt the first preliminary drying 4-6 minute of hot blast, then bake 3-5 minute at temperature 85-90 DEG C;
(3) base material after process in (rapid 2) is sent into refrigerating apparatus, continuous freezing 3.5-4 hour under subzero 20-23 DEG C environment;
(4) taken out by the base material in step (3), send into drying plant, temperature controls at 55-58 DEG C, and the time is at 10-20 minute;
(5) base material in step (4) is put on production line, to base material dip-coating coating material, then form through rolling, cooling, cutting, winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933400.2A CN105400430A (en) | 2015-12-14 | 2015-12-14 | Hydraulic bracket stand column protective sleeve for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933400.2A CN105400430A (en) | 2015-12-14 | 2015-12-14 | Hydraulic bracket stand column protective sleeve for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105400430A true CN105400430A (en) | 2016-03-16 |
Family
ID=55466202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510933400.2A Pending CN105400430A (en) | 2015-12-14 | 2015-12-14 | Hydraulic bracket stand column protective sleeve for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105400430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782785A (en) * | 2016-12-26 | 2017-05-31 | 深圳市骏鼎达新材料股份有限公司 | A kind of pyrocondensation Portable sleeve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110181Y (en) * | 2007-11-20 | 2008-09-03 | 田云雨 | Protective cover for hydraulic support upright post |
| CN101759407A (en) * | 2009-12-01 | 2010-06-30 | 山西大学 | Fire retardant coating for underground coal seam of coal mine |
| CN103924752A (en) * | 2014-04-25 | 2014-07-16 | 焦作安泰新型耐磨材料有限公司 | Nano wear-resisting ceramic composite protection construction method |
-
2015
- 2015-12-14 CN CN201510933400.2A patent/CN105400430A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110181Y (en) * | 2007-11-20 | 2008-09-03 | 田云雨 | Protective cover for hydraulic support upright post |
| CN101759407A (en) * | 2009-12-01 | 2010-06-30 | 山西大学 | Fire retardant coating for underground coal seam of coal mine |
| CN103924752A (en) * | 2014-04-25 | 2014-07-16 | 焦作安泰新型耐磨材料有限公司 | Nano wear-resisting ceramic composite protection construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782785A (en) * | 2016-12-26 | 2017-05-31 | 深圳市骏鼎达新材料股份有限公司 | A kind of pyrocondensation Portable sleeve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Inventor after: He Hongjun Inventor before: Yuan Yang |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
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| RJ01 | Rejection of invention patent application after publication |