CN203753817U - High temperature resistant spiral conveyer - Google Patents
High temperature resistant spiral conveyer Download PDFInfo
- Publication number
- CN203753817U CN203753817U CN201420148222.3U CN201420148222U CN203753817U CN 203753817 U CN203753817 U CN 203753817U CN 201420148222 U CN201420148222 U CN 201420148222U CN 203753817 U CN203753817 U CN 203753817U
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- CN
- China
- Prior art keywords
- bearing
- high temperature
- main shaft
- temperature resistant
- conveyor screw
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- Expired - Fee Related
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Abstract
The utility model discloses a high temperature resistant spiral conveyer, comprising a driving device, a shell and a spiral shaft, wherein the spiral shaft comprises a principal shaft and spiral blades uniformly mounted on the outer side of the principal shaft, the principal shaft is rotationally arranged in the shell, one end of the principal shaft is connected with the driving device, the spiral blade is of a solid construction made of high temperature resistant and abrasion-resistant metal material, the surfaces of the principal shaft and the spiral blades are all covered with high temperature resistant and abrasion-resistant alloy surfacing layers. Since the spiral blades are made of high temperature resistant and abrasion-resistant metal material, the requirement of using under high temperature environment can be met by using the solid construction without a cooling device at the internal part, the intensity of the spiral blades is increased by the solid construction, appearance of negative phenomena of distorting, deforming, cracking, leaking and the like are avoided, the service life is prolonged, and the maintenance cost is reduced.
Description
Technical field
The utility model is involved in high-temperature material load transfer device technical field, particularly a kind of high temperature resistant conveyor screw.
Background technology
Conveyor screw is a kind of comparatively common material transfer equipment that is applicable to the industries such as cement, chemical industry, metallurgy, and at metallurgy industry, it is through being commonly used to carry some high-temperature materials, such as temperature reaches the pellet agglomerate etc. of 800oC left and right.
In prior art, domestic conveyor screw comprises actuating device, housing and screw shaft, screw shaft is arranged on rotationally in housing and is connected with actuating device, comprise main shaft and helicallobe, in order to ensure can normally to use under hot environment, cooling mechanism is set conventionally in blade, this blade is because inside is provided with cooling mechanism, therefore its thinner thickness, insufficient strength, in the course of the work, owing to expanding with heat and contract with cold and the violent friction of material, easily there is distortion, distortion, cracking, the bad phenomenon such as leak, life-span is short, need often change and safeguard, give and use and produce the trouble of bringing.
Therefore, how to provide a kind of high temperature resistant conveyor screw, make its blade there is higher intensity, the generation of the bad phenomenon such as avoid distortion, distortion, ftracture, leak, extend its service life, reduce maintenance cost, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of high temperature resistant conveyor screw, makes its blade have higher intensity to reach, and the generation of the bad phenomenon such as avoid distortion, distortion, ftracture, leak, extends its service life, reduces the object of maintenance cost.
For achieving the above object, the utility model provides following technical scheme:
A kind of high temperature resistant conveyor screw, comprise actuating device, housing and screw shaft, described screw shaft comprises main shaft and is evenly arranged on the helicallobe in described main shaft outside, described main shaft is arranged in described housing rotationally and one end is connected with described actuating device, described helicallobe is the solid construction of being made up of heat resistant and wear resistant metallic material, and described main shaft surface and described helical blade surface are all coated with heat resistant and wear resistant alloy welding deposit layer.
Preferably, described heat resistant and wear resistant alloy welding deposit layer adopts HS113 cobalt-based bead welding wire to carry out built-up welding, and its thickness d meets d >=3mm.
Preferably, described heat resistant and wear resistant metallic material is ZG
3cr
25ni
5mo
2w
3co
2re.
Preferably, described main shaft adopts 2Cr5Mo steel to make.
Preferably, the wall thickness s of described main shaft meets s >=25mm.
Preferably, the two ends of described housing are respectively arranged with clutch shaft bearing seat and the second bearing seat, in described clutch shaft bearing seat, be provided with clutch shaft bearing, in described the second bearing seat, be provided with the second bearing, the two ends of described main shaft are respectively through the inner ring of described clutch shaft bearing and described the second bearing cooperation with it, described actuating device comprises motor and retarder, the mouth of described motor is connected with the input end of described retarder, and the mouth of described retarder is connected through one end of described clutch shaft bearing with described main shaft by coupler.
Preferably, in described main shaft, be provided with cooling line, described cooling line is through the matching part of described main shaft and described clutch shaft bearing and described the second bearing, described cooling line is provided with import and outlet, described main shaft is connected with Inlet and outlet water swivel joint through one end of described the second bearing, and described import and described outlet are all arranged in described Inlet and outlet water swivel joint.
Preferably, described clutch shaft bearing is globe thrust bearing, and described the second bearing is radial ball bearing; Or described clutch shaft bearing is radial ball bearing, described the second bearing is globe thrust bearing.
Preferably, a number of described helicallobe is 7, and its pitch angle alpha will meets 40 °≤α≤45 °, and the height h of described blade meets 110mm≤h≤130mm.
Preferably, described spiral axial screw external diameter r meets 710mm≤r≤720mm.
Can find out from technique scheme, the high temperature resistant conveyor screw that the utility model provides, comprise actuating device, housing and screw shaft, screw shaft comprises main shaft and is evenly arranged on the helicallobe in main shaft outside, main shaft is arranged in housing rotationally and one end is connected with actuating device, wherein, helicallobe is the solid construction of being made up of heat resistant and wear resistant metallic material, and main shaft surface and helical blade surface are all coated with heat resistant and wear resistant alloy welding deposit layer.Because helicallobe is made up of heat resistant and wear resistant metallic material, therefore it adopts inside not have the solid construction of cooling mechanism can meet the use under hot environment, and solid construction has increased the intensity of helicallobe, the generation of the bad phenomenon such as avoided distortion, distortion, ftracture, leak, extend service life, reduced maintenance cost.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the high temperature resistant conveyor screw that Fig. 1 provides for the utility model embodiment;
The cutaway view of screw shaft part in the high temperature resistant conveyor screw that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
The utility model provides a kind of high temperature resistant conveyor screw, makes its blade have higher intensity to reach, and the generation of the bad phenomenon such as avoid distortion, distortion, ftracture, leak, extends its service life, reduces the object of maintenance cost.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the high temperature resistant conveyor screw that Fig. 1 provides for the utility model embodiment.
The utility model provides a kind of high temperature resistant conveyor screw, comprise actuating device, housing and screw shaft, screw shaft comprises main shaft 5 and is evenly arranged on the helicallobe 6 in main shaft 5 outsides, main shaft 5 is arranged in housing rotationally and one end is connected with actuating device, wherein, the solid construction of helicallobe 6 for being made up of heat resistant and wear resistant metallic material, main shaft 5 surfaces and helicallobe 6 surfaces are all coated with heat resistant and wear resistant alloy welding deposit layer 10.
Compared with prior art, the high temperature resistant conveyor screw that the utility model provides, because helicallobe 6 is made up of heat resistant and wear resistant metallic material, therefore it adopts inside not have the solid construction of cooling mechanism can meet the use under hot environment, and solid construction has increased the intensity of helicallobe 6, the generation of the bad phenomenon such as avoided distortion, distortion, ftracture, leak, has extended service life, has reduced maintenance cost.
Alloy material and the thickness thereof of heat resistant and wear resistant alloy welding deposit layer 10 use can be adjusted according to concrete service condition; in the utility model embodiment; heat resistant and wear resistant alloy welding deposit layer 10 adopts HS113 cobalt-based bead welding wire to carry out built-up welding; after this welding wire built-up welding; under 650 DEG C of hot conditions; can also have higher hardness and resistance to abrasion, can play the effect of protection main shaft 5 and helicallobe 6, the thickness d of heat resistant and wear resistant alloy welding deposit layer 10 meets d >=3mm.Like this, ensured screw shaft active section (directly contacting the position of high temperature mineral aggregate) the prerequisite high-temperature wearable characteristic of exposed surface, and then ensured the service life that screw shaft is enough.
Can have multiple choices for the heat resistant and wear resistant metallic material of making helicallobe 6, in the utility model embodiment, heat resistant and wear resistant metallic material is ZG
3cr
25ni
5mo
2w
3co
2re, this material is under 800 DEG C～1000 DEG C temperature environments, and tissue is without variation and resistance to abrasion are without suddenly falling greatly, and therefore, it can meet the operating needs of helicallobe 6.
Main shaft 5 can adopt multiple material to make, for the bending strength and the rigidity that ensure main shaft 5, the object of avoiding excessive use to be out of shape, in the utility model embodiment, main shaft 5 employings have certain stable on heating 2Cr5Mo steel makes, and further, the wall thickness s of main shaft 5 meets s >=25mm, can further increase like this bending strength and the rigidity of main shaft 5, Reducing distortion.
High temperature resistant conveyor screw can adopt various structures, in the utility model embodiment, the two ends of housing are respectively arranged with clutch shaft bearing seat 4 and the second bearing seat 7, in clutch shaft bearing seat 4, be provided with clutch shaft bearing, in the second bearing seat 7, be provided with the second bearing, the two ends of main shaft 5 are respectively through the inner ring of clutch shaft bearing and the second bearing cooperation with it, actuating device comprises motor 1 and retarder 2, the mouth of motor 1 is connected with the input end of retarder 2, and the mouth of retarder 2 is connected through one end of clutch shaft bearing with main shaft 5 by coupler 3.
Cause the phenomenon of Bearing Temperature for fear of main shaft 5 excess Temperatures and because of main shaft 5 long term thermal conduction, in the utility model embodiment, refer to Fig. 2, the cutaway view of screw shaft part in the high temperature resistant conveyor screw that Fig. 2 provides for the utility model embodiment, in main shaft 5, be provided with cooling line 11, cooling line 11 is the matching part with clutch shaft bearing and the second bearing through main shaft 5, cooling line 11 is provided with import 9 and outlet 8, main shaft 5 is connected with Inlet and outlet water swivel joint 12 through one end of the second bearing, import 9 and outlet 8 are all arranged in Inlet and outlet water swivel joint 12.
In actual process, the groundwork application force that screw shaft bears taking axially as main, radially as auxiliary, and consider should allow to cause because of the micro-flexural deformation of main shaft 5 the micro-angular deflection of clutch shaft bearing and the second bearing, in the utility model embodiment, clutch shaft bearing is globe thrust bearing, and the second bearing is radial ball bearing; Or clutch shaft bearing is radial ball bearing, the second bearing is globe thrust bearing, by adopting the mode of two kinds of bearing fits, can meet the operating needs of high temperature resistant conveyor screw.
In order to ensure work efficiency, in the utility model embodiment, a number of helicallobe 6 is 7, and its pitch angle alpha will meets 40 °≤α≤45 °, and the height h of blade meets 110mm≤h≤130mm, and preferred, pitch angle alpha will is 42.8 °, and height h is 120mm.
In the utility model embodiment, spiral axial screw external diameter r meets 710mm≤r≤720mm, and preferred, spiral external diameter r is 719mm.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a high temperature resistant conveyor screw, comprise actuating device, housing and screw shaft, described screw shaft comprises main shaft (5) and is evenly arranged on the helicallobe (6) in described main shaft (5) outside, described main shaft (5) is arranged in described housing rotationally and one end is connected with described actuating device, it is characterized in that, the solid construction of described helicallobe (6) for being made up of heat resistant and wear resistant metallic material, described main shaft (5) surface and described helicallobe (6) surface are all coated with heat resistant and wear resistant alloy welding deposit layer (10).
2. high temperature resistant conveyor screw according to claim 1, is characterized in that, described heat resistant and wear resistant alloy welding deposit layer (10) adopts HS113 cobalt-based bead welding wire to carry out built-up welding, and its thickness d meets d >=3mm.
3. high temperature resistant conveyor screw according to claim 1, is characterized in that, described heat resistant and wear resistant metallic material is ZG
3cr
25ni
5mo
2w
3co
2re.
4. high temperature resistant conveyor screw according to claim 1, is characterized in that, described main shaft (5) adopts 2Cr5Mo steel to make.
5. high temperature resistant conveyor screw according to claim 4, is characterized in that, the wall thickness s of described main shaft (5) meets s >=25mm.
6. high temperature resistant conveyor screw according to claim 1, it is characterized in that, the two ends of described housing are respectively arranged with clutch shaft bearing seat (4) and the second bearing seat (7), in described clutch shaft bearing seat (4), be provided with clutch shaft bearing, in described the second bearing seat (7), be provided with the second bearing, the two ends of described main shaft (5) are respectively through the inner ring of described clutch shaft bearing and described the second bearing cooperation with it, described actuating device comprises motor (1) and retarder (2), the mouth of described motor (1) is connected with the input end of described retarder (2), the mouth of described retarder (2) is connected through one end of described clutch shaft bearing with described main shaft (5) by coupler (3).
7. high temperature resistant conveyor screw according to claim 6, it is characterized in that, in described main shaft (5), be provided with cooling line (11), described cooling line (11) is the matching part with described clutch shaft bearing and described the second bearing through described main shaft (5), described cooling line (11) is provided with import (9) and outlet (8), described main shaft (5) is connected with Inlet and outlet water swivel joint (12) through one end of described the second bearing, and described import (9) and described outlet (8) are all arranged in described Inlet and outlet water swivel joint (12).
8. high temperature resistant conveyor screw according to claim 6, is characterized in that, described clutch shaft bearing is globe thrust bearing, and described the second bearing is radial ball bearing; Or described clutch shaft bearing is radial ball bearing, described the second bearing is globe thrust bearing.
9. high temperature resistant conveyor screw according to claim 1, is characterized in that, a number of described helicallobe (6) is 7, and its pitch angle alpha will meets 40 °≤α≤45 °, and the height h of described blade meets 110mm≤h≤130mm.
10. high temperature resistant conveyor screw according to claim 1, is characterized in that, described spiral axial screw external diameter r meets 710mm≤r≤720mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148222.3U CN203753817U (en) | 2014-03-28 | 2014-03-28 | High temperature resistant spiral conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148222.3U CN203753817U (en) | 2014-03-28 | 2014-03-28 | High temperature resistant spiral conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203753817U true CN203753817U (en) | 2014-08-06 |
Family
ID=51249119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148222.3U Expired - Fee Related CN203753817U (en) | 2014-03-28 | 2014-03-28 | High temperature resistant spiral conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203753817U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567422A (en) * | 2015-01-04 | 2015-04-29 | 张�诚 | Spiral unloading device and spiral unloading machine with same |
| CN109250404A (en) * | 2018-10-29 | 2019-01-22 | 天津大学 | A kind of high temperature resistant screw conveyor being mounted below waste heat boiler |
| CN110171672A (en) * | 2019-04-09 | 2019-08-27 | 江西雷工机械科技有限公司 | The production method of wear plate, rotary drill piece, conveyor screw, conveyor screw |
-
2014
- 2014-03-28 CN CN201420148222.3U patent/CN203753817U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567422A (en) * | 2015-01-04 | 2015-04-29 | 张�诚 | Spiral unloading device and spiral unloading machine with same |
| CN109250404A (en) * | 2018-10-29 | 2019-01-22 | 天津大学 | A kind of high temperature resistant screw conveyor being mounted below waste heat boiler |
| CN110171672A (en) * | 2019-04-09 | 2019-08-27 | 江西雷工机械科技有限公司 | The production method of wear plate, rotary drill piece, conveyor screw, conveyor screw |
| CN110171672B (en) * | 2019-04-09 | 2024-08-30 | 江西雷工机械科技有限公司 | Wear-resistant sheet, rotary drilling sheet, screw body and manufacturing method of screw body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |