CN204057053U - A kind of spiral conveyor hanging hanging scroll bearing assembly - Google Patents
A kind of spiral conveyor hanging hanging scroll bearing assembly Download PDFInfo
- Publication number
- CN204057053U CN204057053U CN201420383945.1U CN201420383945U CN204057053U CN 204057053 U CN204057053 U CN 204057053U CN 201420383945 U CN201420383945 U CN 201420383945U CN 204057053 U CN204057053 U CN 204057053U
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- Prior art keywords
- hanging
- bearing
- spiral conveyor
- outside
- bearing assembly
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Abstract
The utility model provides a kind of spiral conveyor hanging hanging scroll bearing assembly, belongs to bearing application, comprises spline housing, bearing set, two groups of sealing members and suspension bracket; Described transmission shaft two ends sidewall is in opposite directions provided with the spline mated with described spline housing, and described spline housing is sheathed on the outside of two described transmission shafts; It is outside that described bearing set is sheathed on described spline housing, and described sealing member is located at the both sides of described bearing set; Described suspension bracket is sheathed on the outside of described bearing set and sealing member, is provided with the grease channel being communicated with described bearing set in suspension bracket.Bearing in this assembly has good working environment, and therefore service life is longer, can reach more than 9000 hours.
Description
Technical field
The utility model relates to bearing application, in particular to a kind of spiral conveyor hanging hanging scroll bearing assembly.
Background technology
Conveyor screw is a kind of load transfer device of widespread use in the fields such as chemical industry, coal, electric power, cement, building materials, grain, conveyor screw is divided on transporting pattern screw conveyor shaft and Shaftless screw conveyor two kinds, has screw conveyor shaft to be applicable to noncohesive dry material and small particles material.Fed distance comparatively Shaftless screw conveyor is long.Have in screw conveyor shaft in general length more than 4 meters, in the conveyor screw that particularly axle is longer, all need in the middle of axle with to support or hanging equipment supports axle, locates, for support helix body and the weight of axle and the position range of steady job parts.Method comparatively conventional at present arranges conveyor screw hanging middle bearing support: arrange a plain bearing in the centre of axle, be fixed on the housing of conveyor screw by bearing overhead support.
This design centre bearer is without sealing and lubricating system or have similar designs but fail to realize lubrication object, in conveyer, dust granules is easy to enter bearing, run out bearing, the working environment extreme difference of bearing, therefore the service life of bearing is extremely short, and time of run is less than June (as industries such as cement, coal, electric power), and maintenance intervals is short, replacing bearing is time-consuming, and maintenance cost is high.
Utility model content
The utility model provides a kind of spiral conveyor hanging hanging scroll bearing assembly, is intended to solve the problem.
The utility model is achieved in that
A kind of spiral conveyor hanging hanging scroll bearing assembly, for connecting and hanging two transmission shafts of conveyor screw, comprises spline housing, bearing set, two groups of sealing members and suspension bracket;
Described transmission shaft two ends sidewall is in opposite directions provided with the spline mated with described spline housing, and described spline housing is sheathed on the outside of two described transmission shafts;
It is outside that described bearing set is sheathed on described spline housing, and described sealing member is located at the both sides of described bearing set;
Described suspension bracket is sheathed on the outside of described bearing set and sealing member, is provided with the grease channel being communicated with described bearing set in suspension bracket.
Further, described bearing set comprises three plain bearings.
Further, described bearing set comprises thrust baring and two aciculiform antifriction-bearing boxs, and described aciculiform antifriction-bearing box is located at the both sides of described thrust baring.
Further, each is organized described sealing member and comprises two seal rings.
Further, the outside of described sealing member is provided with PTFE seal ring, and the two ends of described spline housing are respectively equipped with the edge face sealing member connecting described suspension bracket.
Further, one end that two transmission shafts do not arrange spline is connected with conveyor screw axle key respectively, and described helicoid shaft need carry out deflection design.
Further, the helicallobe on described helicoid shaft and the gap between described suspension bracket are 3mm-5mm.
Further, described grease channel extends to the outside of described housing, and is connected with lubricating cup, and be provided with fuel level sensor in described lubricating cup, outside is provided with fuel indicator.
Further, described suspension bracket is provided with displacement sensing micro-switch, is provided with bearing state indicator lamp outside described lubricating cup.
A kind of spiral conveyor hanging hanging scroll bearing assembly that the utility model is obtained by such design.Bearing set is compared single bearing and can be born larger diametral load and can share axial thrust.The grease channel of support provide lubricating oil can to each bearing of bearing set, and sealing member can play sealing function to bearing, protection lubricating oil not external leakage, prevents material simultaneously, dirt enters.Bearing in this assembly has the design of optimal combination, and be in completely in good working environment, therefore service life is longer, can reach more than 9000 hours.
Accompanying drawing explanation
Fig. 1 shows the front view structure of the spiral conveyor hanging hanging scroll bearing assembly that the utility model first embodiment provides;
Fig. 2 shows the lateral plan structure of the spiral conveyor hanging hanging scroll bearing assembly that the utility model first embodiment provides;
Fig. 3 shows the structure of the spiral conveyor hanging hanging scroll bearing assembly that the utility model second embodiment provides;
Fig. 4 shows the structure of the spiral conveyor hanging hanging scroll bearing assembly that the utility model the 3rd embodiment provides.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the spiral conveyor hanging hanging scroll bearing assembly that the utility model first embodiment provides comprises spline housing 202, three plain bearings 117, two groups of sealing members 103 and suspension bracket 104; Transmission shaft 201 two ends sidewall is in opposite directions provided with the spline mated with spline housing 202, and spline housing 202 is sheathed on the outside of two transmission shafts 201; It is outside that plain bearing 117 is sheathed on spline housing 202, and two groups of sealing members 103 are located at the both sides of plain bearing 117; Suspension bracket 104 is sheathed on the outside of plain bearing 117 and sealing member 103, the grease channel 105 being communicated with plain bearing 117 is provided with in suspension bracket 104, this suspension bracket 104 there is through hole 116, the inwall of the housing 205 of conveyor screw has the tapped bore corresponding with through hole 116, and suspension bracket 104 is fastened by bolts on the inwall of housing 205.
The combination of three plain bearings 117 is compared single bearing and can be born larger axial force and diametral load.The grease channel of support provide lubricating oil can to each plain bearing, and sealing member can play protection lubricating oil to each plain bearing and not leak, prevents the sealing function of expecting, dirt enters simultaneously.By this design, guarantee the bearing in this assembly, there is enough bearing rigidities.Under operating in the bearing operating mode meeting precision, have again good working environment, therefore service life is longer, can reach more than 9000 hours.
In addition, in the prior art, bearing is positioned on a tween drive shaft, needs conveyor screw to be shifted when changing bearing, vacating space dismounting bearing.Therefore bearing replacing is comparatively inconvenient.In this embodiment, adopt two transmission shafts with spline, with spline housing, two axles are connected, bearing is located on spline housing, if bearing defective or damage, only key need be taken off, transmission shaft mobile rear bearing assembly in spiral axis body with spline can unload, and changes more for convenience.
Refer to Fig. 3, the bearing set in the spiral conveyor hanging hanging scroll bearing assembly that the utility model second embodiment provides comprises thrust baring 101, two aciculiform antifriction-bearing boxs 102, and wherein aciculiform antifriction-bearing box 102 is located at the both sides of thrust baring 101.The both sides of thrust baring 101 are provided with trip ring 118.Comprise other features that embodiment is a kind of in addition.
Thrust baring belongs to antifriction-bearing box, compared to plain bearing have friction drag little, start sensitive, efficiency is high, it is easy to lubricate and be easy to change advantage.Thrust baring 101 can bear conveyer and to be in operation the axial thrust of material to bearing.The ability of aciculiform antifriction-bearing box carrying diametral load is greater than spherical rolling bearing, and installing space is compact; Combinationally using of three bearings, better can keep out conveyer axis operationally and radial thrust.Trip ring 118 can the longitudinal travel of limit thrust bearing 101.
In addition, often organize sealing member 103 in this embodiment and comprise two gauge member y-type seal rings, use as one group simultaneously, by opposing for the lip of two y-type seal rings placement, sealing function (be last three seals, oil-leakage-prevention and dust protection enter) can be played when rotated to both direction simultaneously.
Be provided with a PTFE seal ring 106 often organizing outside sealing member 103.PTFE, also known as polytetrafluoroethylene, is a kind of Prof. Du Yucang High molecular material employing fluorine and replace all hydrogen atoms in polyethylene.This material has the feature of antiacid alkali resistant, anti-various organic solvent, is dissolved in all solvents hardly.Meanwhile, polytetrafluoroethylene has high temperature resistant, the feature that friction coefficient is extremely low.Use in conveyor screw field and there is wear-resisting, heat-resisting PTFE seal ring 106 (being second sealing, dustproof effect).
The two ends of spline housing 202 are respectively equipped with and connect and seal the edge face sealing member 107 (being first sealing, dustproof effect) of suspension bracket 104.Edge face sealing member 107, for the side seal of rotary motion, prevents material, dirt, water and other dirts from invading bearing portion or sealing system.Coordinate PTFE seal ring 106 and sealing member 103, can sealing effectiveness be strengthened, avoid the accelerated wear test of movable joint part, make the bearing longer service life in this assembly.
Refer to Fig. 4, the spiral conveyor hanging hanging scroll bearing assembly that the utility model the 3rd embodiment provides comprises whole features of spiral conveyor hanging hanging scroll bearing assembly in the second embodiment, in addition, one end that in this embodiment, two transmission shafts 201 do not arrange spline is connected with helicoid shaft 203 key respectively, helicoid shaft 203 will carry out deflection design, and deflection design formula is:
Y
max＝5ql
4/(384EI)
In formula: Y
maxfor the maximum defluxion (mm) of helicoid shaft;
Q is uniform line load standard value (kN/m);
L is helicoid shaft length (mm);
E is the modulus of elasticity of steel, and numerical value is generally at 190000N/mm
2-210000N/mm
2;
I is the cross section moments of inertia of steel, can check in (mm in shaped steel table
4).
In the prior art, two of transmission shaft is connected with the spline housing that conveyor screw spindle nose welds.Also have transmission shaft and conveyor screw spindle nose to wear that pin (bolt) is connected, transmission shaft to be connected with conveyor screw spindle nose welded flange.Employing is worn plane of shear mechanical strength out of reach that pin (bolt) connects and is required and easy backgauge, and the pin-and-hole position of the helicoid shaft of long distance delivery is outstanding with bearing pin Problem of Failure.Easy root cuts off and splits in weld to adopt Flange joint, and backgauge problem is serious simultaneously.
In this embodiment of the present utility model, transmission shaft 201 is connected with helicoid shaft 203 by flat key 206, this connection mode reliably, not backgauge.Meanwhile, propose to carry out deflection design to helicoid shaft 203, control helicoid shaft 203 amount of deflection to sealing, injury to bearing.
Helicoid shaft 203 is hollow steel pipe, above welding machine have helicallobe 204, helicallobe 204 lengthens, and the gap between described suspension bracket 104 is 5mm.
The helicallobe of prior art is welded on spiral spindle nose, because transmission shaft welds with spline housing, spline housing lateral surface does not weld blade, and therefore suspension bracket 104 both sides conveyor screw blade fragment span is from longer, general about 150 millimeters, the problem of spiral docking dislocation, backgauge is more outstanding unavoidably in addition.In the present embodiment, helicallobe 204 adds and grows near suspension bracket 104, on helicoid shaft 203 axis direction, helicallobe and suspension bracket 104 component envelope clearance control are at 5mm, the position diameter that suspension bracket 104 is thinner is 40mm, add the gap of over sling 104 both sides, helicallobe 204 joint neutral is at 50 millimeters.Such size causes backgauge hardly, preferably resolves the problem of this position backgauge in prior art.
Grease channel 105 extends to the outside of housing 205, and is connected with lubricating cup 108.Lubricating cup 108 built with lubricating oil, and is carved with the oil level upper limit 111 and oil level lower limit 112.Oil level bound position is provided with fuel level sensor 109, and lubricating cup 108 top is provided with lubricating oil and indicates, and fuel indicator 110.Fuel indicator 110 has two, and one is red light, and another is green light.
In lubricating cup 108, charge of oil reaches the oil level upper limit 111 and namely stops.In use, oil level can decline by trace, and when oil level drops to oil level lower limit 112 position, fuel level sensor 109 senses signal, the when red of fuel indicator 110, all the other time green lights.The shortage of oil in lubricating cup 108 is conveniently observed in this design, particularly during compact and utilization when not easily observing in, equipment little at workshop condition distance interval, can also accomplish central centralized control, improve the timely and effective management to machine.
Suspension bracket 104 is provided with displacement sensing micro-switch 114, is provided with bearing state indicator lamp 115 outside lubricating cup 108, is provided with bearing and indicates below bearing state indicator lamp 115.Bearing state indicator lamp 115 comprises red light and green light, and displacement sensing exceedes definite value to the gap of each bearing, then trigger the action of displacement sensing jogging switch 114, can make maintenance down instruction, simultaneously bearing state indicator lamp 115 when red.All the other time green lights.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a spiral conveyor hanging hanging scroll bearing assembly, for connecting and hanging two transmission shafts (201) of conveyor screw, it is characterized in that, comprise spline housing (202), bearing set, two groups of sealing members (103) and suspension bracket (104);
Described transmission shaft (201) two ends sidewall is in opposite directions provided with the spline mated with described spline housing (202), and described spline housing (202) is sheathed on the outside of two described transmission shafts (201);
It is outside that described bearing set is sheathed on described spline housing (202), and described sealing member (103) is located at the both sides of described bearing set;
Described suspension bracket (104) is sheathed on the outside of described bearing set and sealing member (103), is provided with the grease channel (105) being communicated with described bearing set in suspension bracket (104).
2. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, is characterized in that, described bearing set comprises three plain bearings.
3. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, it is characterized in that, described bearing set comprises thrust baring (101) and two aciculiform antifriction-bearing boxs (102), and described aciculiform antifriction-bearing box (102) is located at the both sides of described thrust baring (101).
4. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, is characterized in that, each is organized described sealing member (103) and comprises two seal rings.
5. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, it is characterized in that, the outside of described sealing member (103) is provided with PTFE seal ring (106), and the two ends of described spline housing (202) are respectively equipped with the edge face sealing member (107) connecting described suspension bracket (104).
6. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, it is characterized in that, one end that two transmission shafts (201) do not arrange spline is connected with helicoid shaft (203) key respectively, and described helicoid shaft (203) carries out deflection design.
7. spiral conveyor hanging hanging scroll bearing assembly according to claim 6, is characterized in that, the helicallobe (204) on described helicoid shaft (203) and the gap between described suspension bracket (104) are 3mm-5mm.
8. spiral conveyor hanging hanging scroll bearing assembly according to claim 1, it is characterized in that, described grease channel (105) extends to the outside of described housing, and be connected with lubricating cup (108), be provided with fuel level sensor (109) in described lubricating cup (108), outside is provided with fuel indicator (110).
9. spiral conveyor hanging hanging scroll bearing assembly according to claim 8, it is characterized in that, described suspension bracket (104) is provided with displacement sensing micro-switch (114), is provided with bearing state indicator lamp (115) outside described lubricating cup (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383945.1U CN204057053U (en) | 2014-07-11 | 2014-07-11 | A kind of spiral conveyor hanging hanging scroll bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383945.1U CN204057053U (en) | 2014-07-11 | 2014-07-11 | A kind of spiral conveyor hanging hanging scroll bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057053U true CN204057053U (en) | 2014-12-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420383945.1U Expired - Fee Related CN204057053U (en) | 2014-07-11 | 2014-07-11 | A kind of spiral conveyor hanging hanging scroll bearing assembly |
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| CN (1) | CN204057053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071536A (en) * | 2014-07-11 | 2014-10-01 | 黄晓黎 | Hanging bearing assembly of spiral conveyor |
-
2014
- 2014-07-11 CN CN201420383945.1U patent/CN204057053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071536A (en) * | 2014-07-11 | 2014-10-01 | 黄晓黎 | Hanging bearing assembly of spiral conveyor |
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| 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: 20141231 Termination date: 20190711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |