CN205060735U - Shaftless helical blade - Google Patents
Shaftless helical blade Download PDFInfo
- Publication number
- CN205060735U CN205060735U CN201520661078.8U CN201520661078U CN205060735U CN 205060735 U CN205060735 U CN 205060735U CN 201520661078 U CN201520661078 U CN 201520661078U CN 205060735 U CN205060735 U CN 205060735U
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- Prior art keywords
- spiral blade
- shaftless spiral
- helical blade
- shaftless
- shaftless helical
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Abstract
The utility model relates to a shaftless helical blade, shaftless helical blade is concentric cyclic annular spiral, and shaftless helical blade's thickness is decreased progressively to the outside by the inboard, and the outer edge of following shaftless helical blade is provided with and stops the wall. Block the wall at the outer of shaftless helical blade along setting up for the material receives centrifugal force effect and is blockking that wall department is blockked when outwards moving in the transportation, prevent effectively that the material from dropping, prevents the material loss from to reduce to environmental pollution.
Description
Technical field
The utility model belongs to conveying technology field, particularly relates to a kind of Shaftless spiral blade.
Background technology
Shaftless spiral blade is used on Shaftless screw conveyor, is widely used in the fields such as food, metallurgy, chemical industry, building, mine, hydraulic engineering, engineering of water treatment, incineration treatment of garbage.Comparing traditional has screw conveyor shaft, and because of the interference of Shaftless spiral blade non-stop layer axle, material not easily blocks, thus can comparatively low velocity running, and steady transmission, reduces energy consumption.But traditional Shaftless spiral blade is in transmission material process, and due to the effect by centnifugal force, material easily throws away from the edge of Shaftless spiral blade, causes loss of material on the one hand, on the other hand to environment.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this utility model is to provide a kind of Shaftless spiral blade that can effectively prevent material from dropping in course of conveying.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
Shaftless spiral blade, described Shaftless spiral blade is concentric annular helix, and the thickness of Shaftless spiral blade is successively decreased by Inside To Outside, and the outer along Shaftless spiral blade is provided with barrier.Barrier is set in the outer of Shaftless spiral blade, is stopped at barrier place when material is outwards moved by centrifugal action in transportation, effectively prevent material from dropping, prevent loss of material, reduce environmental pollution; In addition, add barrier effectively to delay wearing and tearing, extend the service life of Shaftless spiral blade.
As preferably, the cross section of described barrier is rectangle.
As preferably, edge in Shaftless spiral blade is provided with reinforced rib.Reinforced rib is set in the inner side of Shaftless spiral blade, greatly can strengthens intensity and the service life of Shaftless spiral blade, and little on the impact of the feed flow of Shaftless screw conveyor, running resistance is little.
As preferably, the diameter of described Shaftless spiral blade is 490mm, and unit pitch is 400mm.Through test of many times, the Shaftless spiral blade of this size design, the conveying efficiency of its spiral angle is best.
Compared with prior art, the invention has the beneficial effects as follows: 1. barrier is set in the outer of Shaftless spiral blade, stopped at barrier place when material is outwards moved by centrifugal action in transportation, effectively prevent material from dropping, prevent loss of material, reduce environmental pollution; 2. reinforced rib is set in the inner side of Shaftless spiral blade, greatly can strengthens intensity and the service life of Shaftless spiral blade, and little on the impact of the feed flow of Shaftless screw conveyor, running resistance is little; 3. the size design of Shaftless spiral blade makes conveying efficiency reach best.
Accompanying drawing explanation
Fig. 1 is the structural representation of Shaftless spiral blade.
Fig. 2 is the A-A cutaway view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is made a detailed explanation.
Shaftless spiral blade as shown in Figure 1 to Figure 2, described Shaftless spiral blade is concentric annular helix, the thickness of Shaftless spiral blade is successively decreased gradually by Inside To Outside, outer along Shaftless spiral blade is provided with the barrier 1 that cross section is rectangle, and edge in Shaftless spiral blade is provided with reinforced rib 2.The diameter of Shaftless spiral blade is 490mm, and unit pitch is 400mm.The square base 3 that the length of side is 300mm is fixed with at the two ends of Shaftless spiral blade, the thickness of base 3 is 30mm, base 3 center is provided with the fixed leg 4 that length is 500mm, and described fixed leg 4 is located in Shaftless spiral blade interior edge that is also interior and Shaftless spiral blade and is welded and fixed to strengthen the constant intensity between Shaftless spiral blade and base 3.
Barrier 1 is set in the outer of Shaftless spiral blade, is stopped at barrier 1 place when material is outwards moved by centrifugal action in transportation, effectively prevent material from dropping, prevent loss of material, reduce environmental pollution; In addition, add barrier effectively to delay wearing and tearing, extend the service life of Shaftless spiral blade.Reinforced rib 2 is set in the inner side of Shaftless spiral blade, greatly can strengthens intensity and the service life of Shaftless spiral blade, and little on the impact of the feed flow of Shaftless screw conveyor, running resistance is little.The size design of Shaftless spiral blade makes conveying efficiency reach best.
Above content described in this specification sheets is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model specification sheets or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (4)
1. Shaftless spiral blade, is characterized in that: described Shaftless spiral blade is concentric annular helix, and the thickness of Shaftless spiral blade is successively decreased by Inside To Outside, and the outer along Shaftless spiral blade is provided with barrier.
2. Shaftless spiral blade according to claim 1, is characterized in that: the cross section of described barrier is rectangle.
3. Shaftless spiral blade according to claim 1 and 2, is characterized in that: edge in Shaftless spiral blade is provided with reinforced rib.
4. Shaftless spiral blade according to claim 3, is characterized in that: the diameter of described Shaftless spiral blade is 490mm, and unit pitch is 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661078.8U CN205060735U (en) | 2015-08-28 | 2015-08-28 | Shaftless helical blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661078.8U CN205060735U (en) | 2015-08-28 | 2015-08-28 | Shaftless helical blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205060735U true CN205060735U (en) | 2016-03-02 |
Family
ID=55387318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520661078.8U Active CN205060735U (en) | 2015-08-28 | 2015-08-28 | Shaftless helical blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205060735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954161A (en) * | 2017-12-18 | 2018-04-24 | 重庆市沃利克环保设备有限公司 | Shaftless screw conveyor |
-
2015
- 2015-08-28 CN CN201520661078.8U patent/CN205060735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954161A (en) * | 2017-12-18 | 2018-04-24 | 重庆市沃利克环保设备有限公司 | Shaftless screw conveyor |
| CN107954161B (en) * | 2017-12-18 | 2023-10-13 | 重庆市沃利克环保设备有限公司 | Shaftless screw conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |