CN202203293U - Ball cage coupling with composite layers arranged on surfaces of inner channel and outer channel - Google Patents
Ball cage coupling with composite layers arranged on surfaces of inner channel and outer channel Download PDFInfo
- Publication number
- CN202203293U CN202203293U CN2011203162546U CN201120316254U CN202203293U CN 202203293 U CN202203293 U CN 202203293U CN 2011203162546 U CN2011203162546 U CN 2011203162546U CN 201120316254 U CN201120316254 U CN 201120316254U CN 202203293 U CN202203293 U CN 202203293U
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- CN
- China
- Prior art keywords
- ball cage
- outer ring
- end outer
- cage coupling
- jack shaft
- 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.)
- Expired - Fee Related
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Abstract
A ball cage coupling with composite layers arranged on surfaces of an inner channel and an outer channel is mainly used for mechanical transmission in metallurgy, non-ferrous metal and petroleum industries. The composite layers are arranged on rolling channel surfaces of a middle shaft driving end outer ring, a middle shaft and a middle shaft driven end outer ring. The ball cage coupling has the advantages of being high in surface hardness, good in abrasion resistance, stable in chemical performance, heat and oxidation resistant, small in friction factor, low in heat conductivity and the like. Compared with a normal ball cage coupling, service life is prolonged at least by two times, safety coefficient of the ball cage coupling is improved, unsafe factors caused by fatigue failure of the ball cage coupling are reduced, cost performance advantages of the ball cage coupling are played to the largest extent, change frequency and times of the ball cage coupling are reduced, cost of maintenance and change is reduced, halt maintenance time for changing the coupling is shortened, and economic benefits of the metallurgy, non-ferrous metal and petroleum industries in continuous production are more obviously improved.
Description
Technical field
The utility model relates to machinery manufacturing technology field, the ball cage coupling that particularly uses on metallurgy, non-ferrous metal, the petroleum machinery.
Background technique
Existing ball cage coupling mainly is made up of master and slave moving axis, jack shaft, outer ring, inner ring, retainer, steel ball, sealing system etc.; Wherein there are many to be oval or circular straight flute road on transmission shaft and the outer ring along the circumference cross section that evenly distributes; Torque is transmitted (or contrary direction) through transmission shaft raceway groove, steel ball, two outer ring raceway, realizes drive end and driven end transmission of power; The effect of retainer is that the steel ball group is on the equidistant point of transmission shaft, outer ring raceway constantly; The long-acting lubricating grease that sealing system inner filling ageing-resistant performance is good, contain EP agent.Through the rolling of steel ball between the straight flute road, realize axially and the compensation of angle, and in the spatial design extreme angles, can be completely achieved constant speed property.But the inefficacy of ball cage coupling all is due to the Internal and external cycle raceway fatigue wear, and after the Internal and external cycle fatigue wear lost efficacy, almost wearing and tearing or wearing and tearing were very not little for the steel ball in the ball cage coupling, make the degree of wear of Internal and external cycle and steel ball asynchronous.In fatigue life normal or that impact big use occasion ball cage coupling, remain further to be prolonged.
Summary of the invention
For overcoming the deficiency of existing technology; The goal of the invention of the utility model is to provide a kind of inside and outside channel surface to have the ball cage coupling of composite bed, through at the compound one deck high-strength abrasion-proof of channel surface material, to alleviate the wearing and tearing of raceway groove; Make the Internal and external cycle steel ball inner of ball cage coupling accomplish the equivalent life design with it; Significantly improve the working life of ball cage coupling, ball cage Internal and external cycle is selected the low slightly material of intensity for use simultaneously, brings into play ball cage coupling superiority of effectiveness to greatest extent.
For realizing above-mentioned purpose; The technological scheme of the utility model is: driving shaft is connected with the driving shaft flange through connecting key; Jack shaft drive end outer ring links to each other with the driving shaft flange through bolt and key; Many the straight flute roads that equidistantly distribute along circumference are arranged on jack shaft drive end outer ring, the jack shaft driven end outer ring; Respectively and steel ball one and steel ball two are housed between the jack shaft, steel ball one is installed in the window of retainer one and retainer two with steel ball two, and sealing system is equipped with in the end of jack shaft drive end outer ring and jack shaft driven end outer ring; Jack shaft driven end outer ring is connected with the driven shaft flange through bolt and key; Be connected with flat key between driven shaft and the driven shaft flange, it is characterized in that: in jack shaft drive end outer ring, the raceway face of jack shaft, jack shaft driven end outer ring has composite bed, said raceway is arc raceway groove, straight flute road or v type raceway groove.
The utility model utilizes the method for welding, bonding composite bed in the inside and outside channel surface of ball cage coupling, and compound one deck high-strength abrasion-proof material has reduced diffusion and chemical reaction between steel ball and raceway groove, thereby has reduced the crescent wearing and tearing.
The utility model compared with prior art has the following advantages:
1, the occasion of, continuous operation big in impact force; The inside and outside channel surface of the ball cage coupling of high-strength abrasion-proof material; Have that surface hardness height, wear resistance are good, stable chemical performance, heat-resistant oxidized, characteristic such as friction factor is little and thermal conductivity is low; According to selected composite material and thickness of composite material, use the comparable normal ball cage coupling of ball cage coupling of face surface composite material to improve working life at least more than 2 times.
2, from the product safety aspect, improved the safety coefficient of ball cage coupling, reduced the unsafe factor that the fatigue failure of ball cage coupling causes.
3, the cost of composite material increases seldom, particularly medium-and-large-sized ball cage coupling, and the cost that composite material increases, shared ratio is littler, and complex matrix selects for use intensity to hang down the material of some simultaneously, has given play to ball cage coupling superiority of effectiveness to greatest extent.
4, can reduce the frequency and the number of times of the cage coupling of more changing the shuttle, reduce the cost of maintain and replace.
5, can shorten the fault power time of changing coupling, raising metallurgical, coloured and the petroleum industry economic benefit seems more obvious to quantity-produced especially.
Description of drawings
The structural representation sketch of Fig. 1 the utility model;
Fig. 2 is the application drawing of Fig. 1.
Embodiment;
As shown in Figure 1, the utility model in jack shaft drive end outer ring, the raceway face utilization welding of jack shaft, jack shaft driven end outer ring, the bonding or compound one deck high-strength abrasion-proof of other method composite bed 27.
As shown in Figure 2; Driving shaft 16 is connected with driving shaft flange 15 through connecting key; Jack shaft drive end outer ring 12 links to each other with driving shaft flange 15 through bolt and key; Many the straight flute roads that equidistantly distribute along circumference are arranged on jack shaft 11, jack shaft drive end outer ring 12, the jack shaft driven end outer ring 3; Between steel ball 1 and steel ball 24 are housed; Steel ball 1 is installed in the window of retainer 1 and retainer 25 with steel ball 24, and sealing system is equipped with in the end of jack shaft drive end outer ring 12, jack shaft driven end outer ring 3, and sealing system comprises gland 26 and gland 1, sealing gasket 27 and sealing gasket 1, seal closure 28 and seal closure 1, back-up ring 29 and back-up ring 1, clip 2 10 and clip 1; Jack shaft driven end outer ring 3 is connected with driven shaft flange 2 through bolt and key, is connected with flat key between driven shaft 1 and the driven shaft flange 2.The axial direction two end part of jack shaft 11 are provided with spring spindle respectively; Spring spindle contacts with the end face of jack shaft drive end outer ring 12, jack shaft driven end outer ring 3 respectively; Spring spindle is for being equipped with tip-lever support 21, push rod 17 in the axis hole of jack shaft 11; Collar 18 is equipped with in the end of push rod 17, and push rod 17 is spun on the bolt 20, is with spring 19 on the bolt 20.
The utility model has reduced diffusion and chemical reaction between steel ball and raceway groove, thereby has reduced the crescent wearing and tearing through at the compound one deck high-strength abrasion-proof of channel surface material.
Claims (2)
1. channel surface has the ball cage coupling of composite bed inside and outside one kind; Driving shaft (16) is connected with driving shaft flange (15) through connecting key; Jack shaft drive end outer ring (12) links to each other with driving shaft flange (15) through bolt and key; Many the straight flute roads that equidistantly distribute along circumference are arranged on jack shaft drive end outer ring (12), the jack shaft driven end outer ring (3); Respectively and steel ball one (13) and steel ball two (4) be housed between the jack shaft (11); Steel ball one (13) and steel ball two (4) are installed in the window of retainer one (14) and retainer two (5), and sealing system is equipped with the end of jack shaft driven end outer ring (3) in jack shaft drive end outer ring (12), and jack shaft driven end outer ring (3) is connected with driven shaft flange (2) through bolt and key; Be connected with flat key between driven shaft (1) and the driven shaft flange (2), it is characterized in that: in jack shaft drive end outer ring (12), the raceway face of jack shaft (11), jack shaft driven end outer ring (3) has composite bed (27).
2. inside and outside channel surface according to claim 1 has the ball cage coupling of composite bed, and said raceway is arc raceway groove, straight flute road or v type raceway groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203162546U CN202203293U (en) | 2011-08-28 | 2011-08-28 | Ball cage coupling with composite layers arranged on surfaces of inner channel and outer channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203162546U CN202203293U (en) | 2011-08-28 | 2011-08-28 | Ball cage coupling with composite layers arranged on surfaces of inner channel and outer channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203293U true CN202203293U (en) | 2012-04-25 |
Family
ID=45967415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203162546U Expired - Fee Related CN202203293U (en) | 2011-08-28 | 2011-08-28 | Ball cage coupling with composite layers arranged on surfaces of inner channel and outer channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203293U (en) |
-
2011
- 2011-08-28 CN CN2011203162546U patent/CN202203293U/en not_active Expired - Fee Related
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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: 20120425 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |