CN204025692U - A kind of concrete mixer shaft end seal - Google Patents
A kind of concrete mixer shaft end seal Download PDFInfo
- Publication number
- CN204025692U CN204025692U CN201420347792.5U CN201420347792U CN204025692U CN 204025692 U CN204025692 U CN 204025692U CN 201420347792 U CN201420347792 U CN 201420347792U CN 204025692 U CN204025692 U CN 204025692U
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- seal
- ring
- hoop
- ring hoop
- oil
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Abstract
The utility model proposes a kind of concrete mixer shaft end seal, solve the problem that service time is short, maintain and replace frequency is high of single seal arrangement in prior art.Comprise stationary ring hoop, stationary ring hoop sidewall is provided with mixing oil hole and lubricating grease oil hole, outside framework oil seal and float grease seal is provided with in stationary ring hoop inner chamber, also seal ring is provided with between float grease seal and stationary ring hoop inwall, also comprise rotating ring hoop, in rotating ring hoop inner chamber, be also provided with a seal ring and float grease seal, between rotating ring hoop outer wall and stationary ring hoop inwall, be provided with the first dust ring, be provided with the second dust ring between rotating ring hoop outer wall and sealing platen, be connected by bolt between stationary ring hoop and sealing platen.Be provided with outside framework oil seal, float grease seal, the first dust ring and the second dust ring two seals device in the utility model, its good sealing effect, prevents mortar to reveal.
Description
Technical field
The utility model relates to a kind of seal arrangement, is specifically related to be used in the shaft end seal on JS750 ∽ 1000 concrete mixer main shaft.
Background technique
Concrete central mix plant is the necessary devices that construction is commonly used, and primarily of compositions such as support, drive unit, mixing drums, the boss rod place of mixing drum needs to arrange shaft end seal.But existing shaft end seal only arranges a road sealing device, and service time is short, and replacement frequency is high.And belonging to internally-arranged type because of seal arrangement, repair and replacement bother.So the quality of agitator shaft end seal performance is the problem that unit in charge of construction is concerned about especially.
Model utility content
The utility model proposes a kind of concrete mixer shaft end seal, solve the problem that service time is short, maintain and replace frequency is high of single seal arrangement in prior art.
The technical solution of the utility model is achieved in that
A kind of concrete mixer shaft end seal, comprise stationary ring hoop, stationary ring hoop sidewall is provided with mixing oil hole and lubricating grease oil hole, outside framework oil seal and float grease seal is provided with in stationary ring hoop inner chamber, also seal ring is provided with between float grease seal and stationary ring hoop inwall, also comprise rotating ring hoop, also a seal ring and float grease seal is provided with in rotating ring hoop inner chamber, the first dust ring is provided with between rotating ring hoop outer wall and stationary ring hoop inwall, be provided with the second dust ring between rotating ring hoop outer wall and sealing platen, be connected by bolt between stationary ring hoop and sealing platen.
Described mixing oil hole comprises the first oil hole and the second oil hole, and the first oil hole is connected with the first intercommunicating pore, and the second oil hole is connected with the second intercommunicating pore, and the first intercommunicating pore is communicated with the inspection hole on sealing platen.
Described seal ring is O RunddichtringO.
Described first dust ring and the second dust ring are polyurethane dustproof ring.
Described outside framework oil seal and float grease seal are the oil sealing of oil resistant rubber.
Be provided with outside framework oil seal, float grease seal, the first dust ring and the second dust ring two seals device in the utility model, its good sealing effect, prevents mortar to reveal.Its service time is grown, replacement frequency reduces greatly, decreases the trouble that workman frequently keeps in repair.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is cross-sectional schematic of the present utility model;
Fig. 2 is the structural representation at stationary ring hoop position;
Fig. 3 is the structural representation at rotating ring hoop position;
Fig. 4 is the structural representation at sealing platen position;
Fig. 5 is decomposing state schematic diagram of the present utility model.
Wherein, 1. stationary ring hoop, 2. outside framework oil seal, 3. seal ring, 4. float grease seal, 5. rotating ring hoop, 6. the first dust ring, 7. seals platen, 8. the second dust ring, 9. bolt, 10. lubricating grease oil hole, 11. first oil holes, 12. second oil holes, 13. first intercommunicating pores, 14. second intercommunicating pores, 15. peep holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of concrete mixer shaft end seal, comprise stationary ring hoop 1, stationary ring hoop 1 sidewall is provided with mixing oil hole and lubricating grease oil hole 10, outside framework oil seal 2 and float grease seal 4 is provided with in stationary ring hoop 1 inner chamber, seal ring 3 is also provided with between float grease seal 4 and stationary ring hoop 1 inwall, also comprise rotating ring hoop 5, also a seal ring 3 and float grease seal 4 is provided with in rotating ring hoop 5 inner chamber, the first dust ring 6 is provided with between rotating ring hoop 5 outer wall and stationary ring hoop 1 inwall, the second dust ring 8 is provided with between rotating ring hoop 5 outer wall and sealing platen 7, be connected by bolt 9 between stationary ring hoop 1 and sealing platen 7.Described seal ring 3 is preferably O RunddichtringO.
As shown in Figure 2-5, the utility model assembling process is as follows: 1. outside framework oil seal 2 is pressed in stationary ring hoop 1, then the float grease seal 4 packaging seal ring 3 is embedded in stationary ring hoop 1; 2. the float grease seal 4 packaging seal ring 3 is embedded in rotating ring hoop 5, again lubricant oil is smeared to rotating ring hoop 5 cylindrical afterwards, first dust ring 6 is enclosed within rotating ring hoop 5 cylindrical, 3. in the second dust ring 8 embedding sealing platen 7,4. the junction plane of float grease seal 4 is cleaned and put the oil, the rotating ring hoop 5 installed is put into stationary ring hoop 1, and the first dust ring 6 is embedded in the draw-in groove of stationary ring hoop 1, sealing platen 7 is enclosed within rotating ring hoop 5, with six bolts 9, sealing platen 7 is connected fastening with stationary ring hoop 1, afterwards to the oiling of mixing oil hole, detect sealing effect.
As preferably of the present utility model, described mixing oil hole comprises the first oil hole 11 and the second oil hole 12, first oil hole 11 is connected with the first intercommunicating pore 13, and the second oil hole 12 is connected with the second intercommunicating pore 14, and the first intercommunicating pore 13 is communicated with the inspection hole 15 on sealing platen 7.The miscella injected in first oil hole 11 is by entering between sealing platen 7 and rotating ring hoop 5 after the first intercommunicating pore 13, inspection hole 15, the miscella injected in second oil hole 12 enters between stationary ring hoop 1 and rotating ring hoop 5 by the second intercommunicating pore 14, when not having miscella to leak after detecting, just can prove that the sealing of device reaches requirement of dispatching from the factory.When the utility model uses, be enclosed within the termination of main shaft, can prevent mortar from leaking.
In addition, described first dust ring 6 and the second dust ring 8 are preferably polyurethane dustproof ring; Described outside framework oil seal 2 and float grease seal 4 are preferably the oil sealing of oil resistant rubber.Adopt polyurethane to make dust ring, not only good dustproof effect, does not also pollute the environment, and cost performance is higher.Oil resistant rubber refers to the fluorine rubber of resistance to nonpolar oils, makees oil sealing with oil resistant rubber 3, and the working life of product can be made more guaranteed.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; 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 (5)
1. a concrete mixer shaft end seal, comprise stationary ring hoop (1), stationary ring hoop (1) sidewall is provided with mixing oil hole and lubricating grease oil hole (10), outside framework oil seal (2) and float grease seal (4) is provided with in stationary ring hoop (1) inner chamber, seal ring (3) is also provided with between float grease seal (4) and stationary ring hoop (1) inwall, it is characterized in that: also comprise rotating ring hoop (5), also a seal ring (3) and float grease seal (4) is provided with in rotating ring hoop (5) inner chamber, the first dust ring (6) is provided with between rotating ring hoop (5) outer wall and stationary ring hoop (1) inwall, the second dust ring (8) is provided with between rotating ring hoop (5) outer wall and sealing platen (7), be connected by bolt (9) between stationary ring hoop (1) and sealing platen (7).
2. concrete mixer shaft end seal according to claim 1, it is characterized in that: described mixing oil hole comprises the first oil hole (11) and the second oil hole (12), first oil hole (11) is connected with the first intercommunicating pore (13), second oil hole (12) is connected with the second intercommunicating pore (14), and the first intercommunicating pore (13) is communicated with the inspection hole (15) in sealing platen (7).
3. concrete mixer shaft end seal according to claim 2, is characterized in that: described seal ring (3) is O RunddichtringO.
4. concrete mixer shaft end seal according to claim 1, is characterized in that: described first dust ring (6) and the second dust ring (8) are polyurethane dustproof ring.
5. concrete mixer shaft end seal according to claim 1, is characterized in that: the oil sealing that described outside framework oil seal (2) and float grease seal (4) are oil resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347792.5U CN204025692U (en) | 2014-06-26 | 2014-06-26 | A kind of concrete mixer shaft end seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347792.5U CN204025692U (en) | 2014-06-26 | 2014-06-26 | A kind of concrete mixer shaft end seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025692U true CN204025692U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347792.5U Active CN204025692U (en) | 2014-06-26 | 2014-06-26 | A kind of concrete mixer shaft end seal |
Country Status (1)
| Country | Link |
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| CN (1) | CN204025692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847897A (en) * | 2015-04-13 | 2015-08-19 | 泰州市建业车件制造有限公司 | Shaft-end seal structure of concrete mixer |
| CN114183533A (en) * | 2021-12-21 | 2022-03-15 | 昆山新优密机械密封科技有限公司 | Compensation type mechanical sealing device for rotating equipment |
-
2014
- 2014-06-26 CN CN201420347792.5U patent/CN204025692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847897A (en) * | 2015-04-13 | 2015-08-19 | 泰州市建业车件制造有限公司 | Shaft-end seal structure of concrete mixer |
| CN114183533A (en) * | 2021-12-21 | 2022-03-15 | 昆山新优密机械密封科技有限公司 | Compensation type mechanical sealing device for rotating equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |