CN221758593U - Wear-resisting screw conveying shaft - Google Patents
Wear-resisting screw conveying shaft Download PDFInfo
- Publication number
- CN221758593U CN221758593U CN202322467627.5U CN202322467627U CN221758593U CN 221758593 U CN221758593 U CN 221758593U CN 202322467627 U CN202322467627 U CN 202322467627U CN 221758593 U CN221758593 U CN 221758593U
- Authority
- CN
- China
- Prior art keywords
- blade
- wear
- blades
- thickness
- tungsten carbide
- 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.)
- Active
Links
- 238000003466 welding Methods 0.000 claims abstract description 56
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 11
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Screw Conveyors (AREA)
Abstract
The utility model provides a wear-resistant spiral conveying shaft which comprises a steel pipe, wherein blades distributed in a spiral mode are welded on the steel pipe, the blades adopt a structure with equal thickness in section, the thickness of the blades in the diameter direction is consistent, and tungsten carbide welding wire surfacing welds distributed in a radial mode are welded on the front face of the blades. This wear-resisting screw conveying axle reasonable in design, simple structure through designing into the thickness structure such as cross-section with the blade for the blade is unanimous along the thickness of diameter direction, can reduce the outer lane wearing and tearing of blade, and the welding is radial distribution's tungsten carbide welding wire build-up welding seam in the front welding of blade, can strengthen the positive wear resistance of blade by a wide margin through tungsten carbide welding wire build-up welding seam, makes screw conveying axle be fit for carrying and grinds the great material of cutting nature, and adaptability is stronger.
Description
Technical Field
The utility model relates to the technical field of conveying shafts, in particular to a wear-resistant spiral conveying shaft.
Background
The common tubular screw conveyor is widely applied to industries such as grains, chemical industry, building materials, metallurgy, mines and the like, is mainly used for conveying dry small granular, powdery and other materials with low density and good fluidity, and can realize horizontal conveying at a certain distance and upward conveying at an inclined angle.
In the prior art, as shown in fig. 1, the structure of the screw conveying shaft of the screw conveyor is mainly that blades 2 distributed in a spiral shape are welded on a steel pipe 1, when the screw conveyor works, the screw conveying shaft only rotates and does not generate axial movement, conveyed materials do not rotate and only generate axial movement, and relative movement is generated between the screw conveying shaft and the materials, so that the blades 2 on the screw conveying shaft are worn, and the screw conveyor is not suitable for conveying materials with great cutting property, such as river sand, quartz sand, slag and the like, and the use of the screw conveyor is limited. In addition, the surface of the blade 2 of the existing screw conveying shaft is generally smooth, the blade is formed by cold rolling of ordinary carbon steel, the thickness of the blade in the diameter direction is uneven, the thickness of the blade in the inner direction is uneven, the blade in the outer direction is thin, when the screw conveyor works, the linear speed of the outer ring in the diameter direction is high, the abrasion is faster, the service life is shortened, after the outer ring of the blade is worn, the diameter of the blade is reduced, the gap between the screw shaft and the inner wall of the outer tube is enlarged, the conveying capacity of the screw conveyor is affected, and the production efficiency is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the wear-resistant spiral conveying shaft, and the wear resistance of the blades on the spiral conveying shaft can be greatly enhanced through the design of the blade structure.
In order to achieve the technical scheme, the utility model provides the wear-resistant spiral conveying shaft, which comprises a steel pipe, wherein blades distributed in a spiral manner are welded on the steel pipe, the blades adopt a structure with equal thickness in cross section, the thicknesses of the blades along the diameter direction are consistent, and tungsten carbide welding wire surfacing welds distributed in a radial manner are welded on the front surfaces of the blades.
In the technical scheme, the blades are designed into the structure with the same thickness in the section, so that the thickness of the blades along the diameter direction is consistent, the abrasion of the outer ring of the blades can be reduced, the tungsten carbide welding wires which are radially distributed are welded on the front surfaces of the blades to form a bead weld, the wear resistance of the front surfaces of the blades can be greatly enhanced through the tungsten carbide welding wires, and the spiral conveying shaft is suitable for conveying materials with large polishing property and has stronger adaptability.
Preferably, the width of the tungsten carbide welding wire surfacing welding seam is 2-6mm, the thickness of the tungsten carbide welding wire surfacing welding seam is 4-5mm, and in the practical experiment process, it is found that the width and the thickness of the tungsten carbide welding wire surfacing welding seam have a certain influence on the wear resistance of the front face of the blade, and when the width of the tungsten carbide welding wire surfacing welding seam is 2-6mm and the thickness is 4-5mm, the front face of the blade can obtain good wear resistance, and the service life is longer.
Preferably, the blade is made of wear-resistant alloy steel NM400 material, the surface hardness of the blade is 360-450HB, and the wear resistance of the blade can be enhanced.
Preferably, the back surface of the blade is a smooth surface.
Preferably, the blades and the steel pipes are connected by double-sided full-welded connection, so that the connection strength between the blades and the steel pipes can be enhanced.
Preferably, the steel pipe is a seamless steel pipe.
The wear-resistant spiral conveying shaft provided by the utility model has the beneficial effects that: this wear-resisting screw conveying axle reasonable in design, simple structure through designing into the thickness structure such as cross-section with the blade for the blade is unanimous along the thickness of diameter direction, can reduce the outer lane wearing and tearing of blade, and the welding is radial distribution's tungsten carbide welding wire build-up welding seam in the front welding of blade, can strengthen the positive wear resistance of blade by a wide margin through tungsten carbide welding wire build-up welding seam, makes screw conveying axle be fit for carrying and grinds the great material of cutting nature, and adaptability is stronger.
Drawings
Fig. 1 is a structural view of a screw shaft according to the prior art.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a front view of the present invention.
Fig. 4 is a schematic view of a connection structure of a steel pipe and a blade in the present utility model.
In the figure: 1. a steel pipe; 2. a blade; 3. a tungsten carbide welding wire is used for surfacing a welding line; 4. and (5) full-welding the two sides.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
Example 1: a wear-resistant screw conveying shaft.
Referring to fig. 1 to 4, a wear-resistant screw conveying shaft is shown, which comprises a steel pipe 1, blades 2 distributed in a spiral manner are welded on the steel pipe 1, wherein the steel pipe 1 is a seamless steel pipe, the blades 2 and the steel pipe 1 are connected by adopting double-sided full-welding 4, so that the connection strength between the blades 2 and the steel pipe 1 can be enhanced, the blades 2 are made of wear-resistant alloy steel NM400 materials, the surface hardness of the blades 2 is 400HB, the wear resistance of the blades 2 can be enhanced, the blades 2 are of a structure with equal thickness in section, the thickness of the blades 2 along the diameter direction is consistent, tungsten carbide welding wires are welded on the front surface of the blades 2 to form a surfacing weld 3 in radial distribution, and the back surface of the blades 2 is a smooth surface. The width of the tungsten carbide welding wire surfacing welding seam 3 is 4mm, the thickness of the tungsten carbide welding wire surfacing welding seam 3 is 4mm, and the fact experiment shows that the width and the thickness of the tungsten carbide welding wire surfacing welding seam 3 have a certain influence on the wear resistance of the front face of the blade 2, and when the width of the tungsten carbide welding wire surfacing welding seam 3 is 4mm and the thickness is 4mm, the front face of the blade can obtain the best wear resistance, and the service life is longer.
This wear-resisting screw conveying axle reasonable in design, simple structure through designing blade 2 into thickness structure such as cross-section for blade 2 is along the thickness of diameter direction unanimous, can reduce blade 2's outer lane wearing and tearing, and the front welding at blade 2 is radial distribution's tungsten carbide welding wire build-up welding 3, can strengthen blade 2 positive wear resistance by a wide margin through tungsten carbide welding wire build-up welding 3, makes screw conveying axle be fit for carrying and grinds the great material of cutting nature, and adaptability is stronger.
Example 2: a wear-resistant screw conveying shaft.
The blade 2 is made of wear-resistant alloy steel NM400, the surface hardness of the blade 2 is 360HB, the width of the tungsten carbide welding wire surfacing welding line 3 is 2mm, the thickness of the tungsten carbide welding wire surfacing welding line 3 is 4mm, and other technical characteristics are the same as those of the embodiment 1.
Example 3: a wear-resistant screw conveying shaft.
The blade 2 is made of wear-resistant alloy steel NM400, the surface hardness of the blade 2 is 450HB, the width of the tungsten carbide welding wire surfacing welding line 3 is 6mm, the thickness of the tungsten carbide welding wire surfacing welding line 3 is 5mm, and other technical characteristics are the same as those of the embodiment 1.
The foregoing is a preferred embodiment of the present utility model, but the present utility model should not be limited to the embodiment and the disclosure of the drawings, so that the equivalents and modifications can be made without departing from the spirit of the disclosure.
Claims (5)
1. The utility model provides a wear-resisting screw conveyer axle, includes the steel pipe, the welding has the blade that the heliciform distributes on the steel pipe, its characterized in that: the blade adopts a structure with equal thickness in cross section, the thickness of the blade along the diameter direction is consistent, and the front surface of the blade is welded with tungsten carbide welding wire surfacing welds which are radially distributed; the width of the tungsten carbide welding wire surfacing welding seam is 2-6mm, and the thickness of the tungsten carbide welding wire surfacing welding seam is 4-5mm.
2. A wear resistant screw conveyor shaft as in claim 1 wherein: the blade is made of wear-resistant alloy steel NM400 material, and the surface hardness of the blade is 360-450HB.
3. A wear resistant screw conveyor shaft as in claim 1 wherein: the back surface of the blade is a smooth surface.
4. A wear resistant screw conveyor shaft as in claim 1 wherein: the blades are connected with the steel pipes by double-sided full-welded connection.
5. A wear resistant screw conveyor shaft as in claim 1 wherein: the steel pipe is a seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467627.5U CN221758593U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting screw conveying shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467627.5U CN221758593U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting screw conveying shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221758593U true CN221758593U (en) | 2024-09-24 |
Family
ID=92796333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322467627.5U Active CN221758593U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting screw conveying shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221758593U (en) |
-
2023
- 2023-09-11 CN CN202322467627.5U patent/CN221758593U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6419353B2 (en) | Self-filling two-layer two-part wear-resistant curved pipe for concrete pump truck | |
| EP0193034B1 (en) | An articulate bent pipe for transportation of powder and slurry in dry or wet state | |
| CN106885061A (en) | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance | |
| CN221758593U (en) | Wear-resisting screw conveying shaft | |
| CN201925669U (en) | High-wear-resistant composite delivery pipeline | |
| CN110748733B (en) | Concrete pump wear-resistant bent pipe with built-in bionic build-up welding spots and flow guide blocks and manufacturing method thereof | |
| CN201794776U (en) | Super wear-resistant cutting ring with long service life for concrete pump | |
| CN101158425A (en) | Steel lining ultra-high molecular mass polyethylene tube | |
| CN105171345A (en) | Preparation method for high-wear-resistance and repairable conical double cylinders | |
| CN109420884A (en) | A kind of abrasion-proof pipe preparation method of the uniform wear for concrete mixer | |
| CN101344204B (en) | Jib composite abrasion-proof elbow of concrete pump vehicle and its shaping process | |
| CN212396895U (en) | Wear-resistant lining plate of shell in vertical mill and wear-resistant structure of shell in vertical mill | |
| CN202580483U (en) | Conveying pipe | |
| CN210566909U (en) | Anti-abrasion type granular material conveying pipe | |
| CN114076260A (en) | Oval section slurry conveying pipeline system | |
| CN207956870U (en) | Screw conveyor | |
| CN201884855U (en) | Wear-resistant polyethylene elbow pipe | |
| CN215354030U (en) | Diamond dust helical blade | |
| CN206814001U (en) | Powder-granule material Geldart-D particle elbow | |
| CN206694237U (en) | A kind of Anti-wear wear plate and cut ring | |
| CN211443938U (en) | Prevent inclined to one side belt conveyor cylinder | |
| CN214500441U (en) | Novel reinforced double-layer straight pipe | |
| CN212616807U (en) | Reaction sintering carborundum abnormal shape internal diameter conveying pipeline | |
| CN216112722U (en) | Composite wear-resistant special pipe | |
| CN201962715U (en) | Armoured tube body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |