CN107745091A - A kind of preparation method of high-strength abrasion-proof plate - Google Patents
A kind of preparation method of high-strength abrasion-proof plate Download PDFInfo
- Publication number
- CN107745091A CN107745091A CN201710889790.7A CN201710889790A CN107745091A CN 107745091 A CN107745091 A CN 107745091A CN 201710889790 A CN201710889790 A CN 201710889790A CN 107745091 A CN107745091 A CN 107745091A
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- ultrahigh
- wear
- steel plates
- strength steel
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
- B65G19/225—Impellers, e.g. push-plates, scrapers; Guiding means therefor for article conveyors, e.g. for container conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention relates to wearing plate technical field, and in particular to a kind of preparation method of high-strength abrasion-proof plate, the wearing plate prepared using the above method include ultrahigh-strength steel plates；The ultrahigh-strength steel plates upper and lower surface is provided with the mounting hole of major part spike-like structures, and the mounting hole bottom centre position is provided with locating pin；Mounting hole matching internal is provided with the wear-resisting nail of major part spike-like structures, and the material of the wear-resisting nail is carbofrax material；The bottom centre position of wear-resisting nail is provided with the positioning hole to match with the locating pin；Polyurethane is filled with the mounting hole, the polyurethane cladding around locating pin and by locating pin with being fixed；The big end in aperture of the mounting hole is towards the inside of ultrahigh-strength steel plates, and the aperture small end of mounting hole is towards the outer surface of ultrahigh-strength steel plates.The present invention is simple in construction, practical, has preferable popularizing application prospect.
Description
Technical field
The present invention relates to wearing plate technical field, and in particular to a kind of preparation method of high-strength abrasion-proof plate.
Background technology
Coal mine scraper conveyor underground work inclement condition, intermediate channel are the bearing parts of material, and either volume is also for it
It is the main body that weight is all conveyer, is the part of usage amount and consumption maximum.When conveyer works, scraper chain drives and scraped
Plate is run along intermediate channel, and the abrasion of middle plate, bottom plate except bearing the materials such as coal cinder, gangue, scraper chain and scraper plate can aggravate it
Abrasion, thus the failure of drag conveyor more by intermediate channel, the excessive wear of bottom plate cause, and in, the abrasion of bottom plate especially
With the most serious at chain road.Traditional monometallic wearing plate wears no resistance, and the bimetallic of other such as build-up wear-resistant metal materials
Composite plate manufacturing process is complicated, and cost is high, the abrasion aggravation in use to chain, has much room for improvement；Meanwhile existing wearable plate
Expect that structural strength is relatively low, be unfavorable for the carrying and transport of heavy objects.
Therefore, based on above-mentioned, the present invention provides a kind of preparation method of high-strength abrasion-proof plate, passes through the material to wearing plate
Select and the structure of wearing plate is rationally designed, while the wearability of wearing plate is guaranteed, strengthen wearing plate
Structural strength, improve the combination property of wearing plate, and then solve the shortcomings of the prior art and defect.
The content of the invention
The purpose of the present invention is that：For the above mentioned problem that presently, there are, there is provided a kind of preparation of high-strength abrasion-proof plate
Method, by being selected to the material of wearing plate and the structure of wearing plate rationally designs, obtain the wearability of wearing plate
To while guarantee, strengthen the structural strength of wearing plate, improve the combination property of wearing plate, and then solve existing for prior art
Deficiency and defect.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of preparation method of high-strength abrasion-proof plate, comprises the following steps：(1) it is strong using one piece of superelevation of forging type casting
Steel plate is spent, in casting process, the core of some tack shapes is set in the upper and lower part of ultrahigh-strength steel plates, makes superelevation
In strength steel sheet casting process, the mounting hole and positioning pin structure of steel plate are formed；(2) if being processed using block high-abrasive material
Wear-resisting nail is done, in wear-resisting nail bottom locating and machining hole；(3) wear-resisting nail is vertically mounted in mounting hole by positioning hole, then
Polyurethane be melt into liquid, be filled into the space between wear-resisting nail and mounting hole, polyurethane is placed on air
Middle room temperature air cooling；After treating polyurethane cooled and solidified, you can be prepared into high-strength abrasion-proof plate.
A kind of high-strength abrasion-proof plate, including ultrahigh-strength steel plates；The ultrahigh-strength steel plates upper and lower surface is all provided with
The mounting hole of major part spike-like structures is equipped with, the mounting hole bottom centre position is provided with locating pin；Mounting hole matching internal is set
The wear-resisting nail of major part spike-like structures is equipped with, the material of the wear-resisting nail is carbofrax material；The bottom centre position of wear-resisting nail is set
It is equipped with the positioning hole to match with the locating pin；Be filled with polyurethane in the mounting hole, the polyurethane cladding with
It is fixed around locating pin and by locating pin；Installed towards the inside of ultrahigh-strength steel plates at the big end in aperture of the mounting hole
The aperture small end in hole is towards the outer surface of ultrahigh-strength steel plates.
One aspect of the present invention passes through positioning hole and locating pin by the way that the wear-resisting nail of silicon carbide material is arranged in mounting hole
Matching installation positioning is carried out, is then irrigated polyurethane in mounting hole with hot flow patterns in mounting hole, this knot
Structure mode is beneficial to wear-resisting nail being firmly fixed in mounting hole, and the resistance to of ultrahigh-strength steel plates is formed by wear-resisting nail and polyurethane
Part is ground, improves the wearability of ultrahigh-strength steel plates；And then further improve the anti-wear performance of conventional metals wearing plate.
On the other hand, the present invention while wearability of wearing plate is ensured, is also entered by the use of ultrahigh-strength steel plates
One step improves the intensity of wearing plate, while the wearing plate is given full play to carborundum and polyurethane wear resistant, also makes full use of super
The high-intensity performance of high-strength steel sheet, the combination property of wearing plate is set to effectively improve.
Another further aspect, the present invention in the upper and lower surface of ultrahigh-strength steel plates by using wear-resisting nail and polyurethane material, profit
Preferable wearability is respectively provided with making the upper and lower surface of wearing plate；, can also will in addition when the surface wear of material one is more serious
Simultaneously turn and installed and used, therefore also made full use of beneficial to material；The present invention is simple in construction, practical, has
Preferable popularizing application prospect.
Preferably, the material of the ultrahigh-strength steel plates is semiaustenitic PH stainless steel, is specially
0Cr17Ni7Al, and the upper and lower surface of ultrahigh-strength steel plates is rough surface；The thickness of ultrahigh-strength steel plates is 40mm-
50mm。
Preferably, the cross-sectional shape of the mounting hole is T-type structure, and the inwall of mounting hole is hydraulically smooth surface.
Preferably, the outside diameter of the wear-resisting nail is less than or equal to the end diameter of mounting hole, and the wear-resisting nail
The depth dimensions of length dimension and mounting hole is 10mm-15mm.
Preferably, the top of the locating pin is pyramidal structure, and the outer surface of locating pin is smooth surface, and locating pin
Length dimension is 3mm-5mm.
Preferably, the endoporus bottom of the positioning hole is taper pore structure, and the aperture of positioning hole is more than or equal to locating pin
External diameter, and the inwall of positioning hole is hydraulically smooth surface.
Preferably, an entirety is fixedly connected as between the locating pin and ultrahigh-strength steel plates, the top of locating pin is
Planar structure.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
One aspect of the present invention passes through positioning hole and locating pin by the way that the wear-resisting nail of silicon carbide material is arranged in mounting hole
Matching installation positioning is carried out, is then irrigated polyurethane in mounting hole with hot flow patterns in mounting hole, this knot
Structure mode is beneficial to wear-resisting nail being firmly fixed in mounting hole, and the resistance to of ultrahigh-strength steel plates is formed by wear-resisting nail and polyurethane
Part is ground, improves the wearability of ultrahigh-strength steel plates；And then further improve the anti-wear performance of conventional metals wearing plate.
On the other hand, the present invention while wearability of wearing plate is ensured, is also entered by the use of ultrahigh-strength steel plates
One step improves the intensity of wearing plate, while the wearing plate is given full play to carborundum and polyurethane wear resistant, also makes full use of super
The high-intensity performance of high-strength steel sheet, the combination property of wearing plate is set to effectively improve.
Another further aspect, the present invention in the upper and lower surface of ultrahigh-strength steel plates by using wear-resisting nail and polyurethane material, profit
Preferable wearability is respectively provided with making the upper and lower surface of wearing plate；, can also will in addition when the surface wear of material one is more serious
Simultaneously turn and installed and used, therefore also made full use of beneficial to material；The present invention is simple in construction, practical, has
Preferable popularizing application prospect.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention；
Fig. 2 is the surface texture schematic diagram of the present invention.
In figure：1st, ultrahigh-strength steel plates；2nd, mounting hole；3rd, wear-resisting nail；4th, polyurethane；5th, positioning hole；6th, locating pin.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1, as shown in Figure 1-2：
A kind of preparation method of high-strength abrasion-proof plate, comprises the following steps：(1) it is strong using one piece of superelevation of forging type casting
Steel plate 1 is spent, in casting process, the core of some tack shapes is set in the upper and lower part of ultrahigh-strength steel plates 1, makes to surpass
In the casting process of high-strength steel sheet 1, the mounting hole 2 and the structure of locating pin 6 of steel plate are formed；(2) added using block high-abrasive material
Work goes out some wear-resisting nails 3, in 3 bottom locating and machining holes 5 of wear-resisting nail；(3) wear-resisting nail 3 is vertically mounted on peace by positioning hole 5
Fill in hole 2, then by polyurethane 4 be melt into liquid, be filled into the space between wear-resisting nail 3 and mounting hole 2, will be poly-
Urethane 4 is placed on air at room temperature air cooling；After treating the cooled and solidified of polyurethane 4, you can be prepared into high-strength abrasion-proof plate.
A kind of high-strength abrasion-proof plate, including ultrahigh-strength steel plates 1 are prepared using above-mentioned technique；The ultrahigh-strength steel plates 1
Upper and lower surface is provided with the mounting hole 2 of major part spike-like structures, and the bottom centre position of mounting hole 2 is provided with positioning
Nail 6；The matching internal of mounting hole 2 is provided with the wear-resisting nail 3 of major part spike-like structures, and the material of the wear-resisting nail 3 is carbofrax material；
The bottom centre position of wear-resisting nail 3 is provided with the positioning hole 5 to match with the locating pin 6；It is filled with the mounting hole 2
There is polyurethane 4, the cladding of polyurethane 4 around locating pin 6 and by locating pin 6 with being fixed；The aperture of the mounting hole 2 is big
End is towards the inside of ultrahigh-strength steel plates 1, and the aperture small end of mounting hole 2 is towards the outer surface of ultrahigh-strength steel plates 1.
One aspect of the present invention by positioning hole 5 and is determined by the way that the wear-resisting nail 3 of silicon carbide material is arranged in mounting hole 2
Position nail 6 carries out Matching installation positioning, and polyurethane 4 then is irrigated into mounting hole 2 with hot flow patterns in mounting hole 2
In, this frame mode is beneficial to wear-resisting nail 3 being firmly fixed in mounting hole 2, is made up of wear-resisting nail 3 and polyurethane 4 super
The anti-wear component of high-strength steel sheet 1, improve the wearability of ultrahigh-strength steel plates 1；And then further improve conventional metals wearing plate
Anti-wear performance.
On the other hand, the use of the invention by ultrahigh-strength steel plates 1, while the wearability of wearing plate is ensured,
The intensity of wearing plate is further improved, while the wearing plate is given full play to 4 wearability of carborundum and polyurethane, is also made full use of
The high-intensity performance of ultrahigh-strength steel plates 1, the combination property of wearing plate is set to effectively improve.
Another further aspect, the present invention follow closely 3 and the material of polyurethane 4 by the upper and lower surface in ultrahigh-strength steel plates 1 using wear-resisting,
Preferable wearability is respectively provided with beneficial to the upper and lower surface of wearing plate is made；, can also be by separately when the surface wear of material one is more serious
Outer one side, which turns, to be installed and used, therefore is also made full use of beneficial to material；The present invention is simple in construction, practical, tool
There is preferable popularizing application prospect.
As the preferred scheme of the present embodiment, the materials of the ultrahigh-strength steel plates 1 for semiaustenitic precipitation hardenable not
Become rusty steel, specially 0Cr17Ni7Al, and the upper and lower surface of ultrahigh-strength steel plates 1 is rough surface；The thickness of ultrahigh-strength steel plates 1
Degree size is 40mm-50mm.
As the preferred scheme of the present embodiment, the cross-sectional shape of the mounting hole 2 is T-type structure, and the inwall of mounting hole 2
For hydraulically smooth surface.
As the preferred scheme of the present embodiment, the outside diameter of the wear-resisting nail 3 is straight less than or equal to the small end of mounting hole 2
Footpath, and the depth dimensions of the length dimension and mounting hole 2 of the wear-resisting nail 3 is 10mm-15mm.
As the preferred scheme of the present embodiment, the top of the locating pin 6 is pyramidal structure, and the outer surface of locating pin 6 is
Smooth surface, and the length dimension of locating pin 6 is 3mm-5mm.
As the preferred scheme of the present embodiment, the endoporus bottom of the positioning hole 5 is taper pore structure, the hole of positioning hole 5
Footpath is more than or equal to the external diameter of locating pin 6, and the inwall of positioning hole 5 is hydraulically smooth surface.
As the preferred scheme of the present embodiment, be fixedly connected as between the locating pin 6 and ultrahigh-strength steel plates 1 one it is whole
Body, the top of locating pin 6 is planar structure.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art can readily occur in change or replacement in the technical scope of present disclosure, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (8)
1. a kind of preparation method of high-strength abrasion-proof plate, it is characterised in that comprise the following steps：(1) cast using forging type
One piece of ultrahigh-strength steel plates, in casting process, some tack shapes are set in the upper and lower part of ultrahigh-strength steel plates
Core, make in ultrahigh-strength steel plates casting process, form the mounting hole and positioning pin structure of steel plate；(2) using the wear-resisting of bulk
Material processes some wear-resisting nails, in wear-resisting nail bottom locating and machining hole；(3) wear-resisting nail is vertically mounted on peace by positioning hole
Fill in hole, then by polyurethane be melt into liquid, be filled into the space between wear-resisting nail and mounting hole, by polyurethane
It is placed on air at room temperature air cooling；After treating polyurethane cooled and solidified, you can be prepared into high-strength abrasion-proof plate.
A kind of 2. high-strength abrasion-proof plate, it is characterised in that：Including ultrahigh-strength steel plates；The ultrahigh-strength steel plates upper surface is with
Surface is provided with the mounting hole of major part spike-like structures, and the mounting hole bottom centre position is provided with locating pin；In mounting hole
Portion matches the wear-resisting nail for being provided with major part spike-like structures, and the material of the wear-resisting nail is carbofrax material；In the bottom of wear-resisting nail
Heart position is provided with the positioning hole to match with the locating pin；Polyurethane, the poly- ammonia have been filled with the mounting hole
Ester is coated with being fixed around locating pin and by locating pin；The big end in aperture of the mounting hole is towards in ultrahigh-strength steel plates
Portion, the aperture small end of mounting hole is towards the outer surface of ultrahigh-strength steel plates.
A kind of 3. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The material of the ultrahigh-strength steel plates is half
Austenite PH stainless steel, specially 0Cr17Ni7Al, and the upper and lower surface of ultrahigh-strength steel plates is rough surface；
The thickness of ultrahigh-strength steel plates is 40mm-50mm.
A kind of 4. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The cross-sectional shape of the mounting hole is T-shaped
Structure, and the inwall of mounting hole is hydraulically smooth surface.
A kind of 5. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The outside diameter of the wear-resisting nail be less than or
Equal to the end diameter of mounting hole, and the length dimension of the wear-resisting nail and the depth dimensions of mounting hole are 10mm-15mm.
A kind of 6. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The top of the locating pin is taper knot
Structure, the outer surface of locating pin is smooth surface, and the length dimension of locating pin is 3mm-5mm.
A kind of 7. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The endoporus bottom of the positioning hole is taper
Pore structure, the aperture of positioning hole is more than or equal to the external diameter of locating pin, and the inwall of positioning hole is hydraulically smooth surface.
A kind of 8. high-strength abrasion-proof plate as claimed in claim 2, it is characterised in that：The locating pin and ultrahigh-strength steel plates it
Between be fixedly connected as an entirety, the top of locating pin is planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889790.7A CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889790.7A CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107745091A true CN107745091A (en) | 2018-03-02 |
| CN107745091B CN107745091B (en) | 2019-05-24 |
Family
ID=61255232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710889790.7A Active CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107745091B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515366A (en) * | 2020-06-11 | 2020-08-11 | 郑州机械研究所有限公司 | Preparation method of wear-resistant structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237484Y (en) * | 1995-05-27 | 1996-10-16 | 西安建筑科技大学 | Hole type composite lining plate for mill |
| CN2252696Y (en) * | 1995-12-25 | 1997-04-23 | 本溪市运输机械配件厂 | Ceramic rubber combined lining board |
| CN2562970Y (en) * | 2002-08-01 | 2003-07-30 | 黄裕宏 | New structure of ceramic lining board |
| CN1651146A (en) * | 2005-02-03 | 2005-08-10 | 西安建筑科技大学 | Ternary composite material abrasion resistant lining board and its preparation process |
| CN101307861A (en) * | 2008-06-01 | 2008-11-19 | 史志阳 | Abrasion-proof composite plate |
| CN202079841U (en) * | 2011-06-22 | 2011-12-21 | 徐州大亚工贸有限公司 | Shock-resisting noise-reducing wear-resisting plate |
| CN205155538U (en) * | 2015-11-12 | 2016-04-13 | 吴颜倬 | Novel antifriction plate |
| CN207209193U (en) * | 2017-09-27 | 2018-04-10 | 宁夏绿源实业有限公司 | A kind of high-strength abrasion-proof plate |
-
2017
- 2017-09-27 CN CN201710889790.7A patent/CN107745091B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237484Y (en) * | 1995-05-27 | 1996-10-16 | 西安建筑科技大学 | Hole type composite lining plate for mill |
| CN2252696Y (en) * | 1995-12-25 | 1997-04-23 | 本溪市运输机械配件厂 | Ceramic rubber combined lining board |
| CN2562970Y (en) * | 2002-08-01 | 2003-07-30 | 黄裕宏 | New structure of ceramic lining board |
| CN1651146A (en) * | 2005-02-03 | 2005-08-10 | 西安建筑科技大学 | Ternary composite material abrasion resistant lining board and its preparation process |
| CN101307861A (en) * | 2008-06-01 | 2008-11-19 | 史志阳 | Abrasion-proof composite plate |
| CN202079841U (en) * | 2011-06-22 | 2011-12-21 | 徐州大亚工贸有限公司 | Shock-resisting noise-reducing wear-resisting plate |
| CN205155538U (en) * | 2015-11-12 | 2016-04-13 | 吴颜倬 | Novel antifriction plate |
| CN207209193U (en) * | 2017-09-27 | 2018-04-10 | 宁夏绿源实业有限公司 | A kind of high-strength abrasion-proof plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515366A (en) * | 2020-06-11 | 2020-08-11 | 郑州机械研究所有限公司 | Preparation method of wear-resistant structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107745091B (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104942477B (en) | A kind of Wear-resistant corrosion-resistant resurfacing welding material | |
| CN103381527A (en) | Tungsten carbide reinforcing iron-based abrasion resistance build-up welding flux-cored wire | |
| CN103228402B (en) | A kind of pipe welding rod of anti-low stress wearing and tearing | |
| CN106334900A (en) | Overlaying welding repair method used for worn middle plate of middle slot of scraper conveyer | |
| CN107745091A (en) | A kind of preparation method of high-strength abrasion-proof plate | |
| CN201865900U (en) | Spectacle plate embedded with ultrafine crystal grain cemented carbide | |
| CN207209193U (en) | A kind of high-strength abrasion-proof plate | |
| CN201865582U (en) | Steel diamond drill bit | |
| CN206578261U (en) | A kind of casting mould of high abrasion composite hammer head | |
| CN104549654B (en) | Abrasion-resistant device between grinding roller sleeve and grinding table lining plate for vertical grinder | |
| CN201358811Y (en) | Coal cutting machine middle groove | |
| CN202079696U (en) | Roller of refiner | |
| CN204419042U (en) | Compound waterway high matrix diamond impregnated drill bit | |
| CN208699792U (en) | Mining lightweight wear-resistant scraper plate | |
| CN206392163U (en) | Screw-thread steel and rich chromium cast iron composite plate hammer | |
| CN206676448U (en) | A kind of high abrasion composite crusher tup | |
| CN202347548U (en) | Raking palm | |
| CN204429402U (en) | Wear-resistant device between grinding roller of vertical mill roller shell and lining board for grinding discs | |
| CN202290143U (en) | High-chromium cast iron ultra-wear-resistant conical manufacturing machine | |
| CN202356125U (en) | Ultrastrong high-chromium iron conical sand making machine | |
| CN202356126U (en) | Ultra-strong high-chromium crushing wall assembly special for cone crusher | |
| CN202187019U (en) | Distributing chute of blast furnace | |
| CN202290141U (en) | High-chromium cast iron ultra-strong conical sand making machine | |
| CN204077839U (en) | Track sprocket | |
| CN203291914U (en) | Grinding roller and grinding disk tile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201207 Address after: 314005 north side of Tongyi Road, Yongfeng Village, Xinfeng Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Shenhua medical supplies Co., Ltd Address before: 750001 the Ningxia Hui Autonomous Region Yinchuan City Jinfeng District high and new zone small and medium enterprise Pioneer Park No. 1 workshop 3 Patentee before: NINGXIA LUYUAN INDUSTRIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |