CN206904237U - Sprocket wheel shaft sealer - Google Patents
Sprocket wheel shaft sealer Download PDFInfo
- Publication number
- CN206904237U CN206904237U CN201720701503.0U CN201720701503U CN206904237U CN 206904237 U CN206904237 U CN 206904237U CN 201720701503 U CN201720701503 U CN 201720701503U CN 206904237 U CN206904237 U CN 206904237U
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- sealing gland
- sealing
- wall
- annular
- 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
The utility model discloses a kind of sprocket wheel shaft sealer, sprocket wheel is set on power transmission shaft, it is connected between sprocket wheel and power transmission shaft by bearing, the sealing device includes the first sealing gland and the second sealing gland, the both ends of the surface of sprocket wheel are connected to the first and second sealing glands, annular lug is equipped with first close and the second sealing gland end face, the outer wall and inwall of annular lug are the conical surface, the outer wall of annular lug and the diameter augment direction of conical surface of inboard wall are opposite, the annular groove answered with annular lug phase team is provided with the both ends of the surface of sprocket wheel, the outer wall and inwall of annular groove are the conical surface, the outer wall of annular groove and the diameter augment direction of conical surface of inboard wall are opposite, annular lug is inserted into annular groove, annular lug and annular groove phase wedging, first and second sealing glands are rubber ring.The utility model good sealing effect, oil leakage phenomenon can be effectively avoided, ensure the long-term normal operation of sprocket wheel.
Description
Technical field
It the utility model is related to scrapper conveyor technical field, and in particular to a kind of sprocket wheel shaft sealer.
Background technology
Drag conveyor is completed by the sprocket assemblies in head, aircraft tail shelf, i.e., passes through gearbox in motor
Driving under, band movable sprocket rotates, and is rotated by sprocket wheel and drive round-link chain and scraper plate on round-link chain to move and realize
Material conveys.Liquid lubricant is filled with sprocket assemblies, lubrication and cooling effect are played, because sprocket wheel working environment is disliked very much
It is bad, there is substantial amounts of dust to fly on sprocket wheel during work, therefore in sprocket assemblies structure, it is necessary in the company of relative movement part
Sealing is implemented in socket part position, to ensure that the inside of sprocket assemblies is isolated from the outside, ensures lubricating oil cleaning, is not lost in.Existing chain
Sealing is taken turns mainly using hard sealing, is sealed for example with steel part, this sealing means sealing effectiveness is bad, is easily caused oil leak and shows
As so as to cause the speed of bearing damage to be aggravated, shortening bearing service life and maintenance cycle in sprocket wheel, influenceing making for sprocket wheel
With.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sprocket wheel shaft sealer, and good sealing effect can be effective
Oil leakage phenomenon is avoided, ensures the long-term normal operation of scrapper conveyor internal sprockets, ensures the service life of sprocket wheel.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of sprocket wheel shaft sealer, the sprocket wheel are set on the power transmission shaft, the sprocket wheel and the power transmission shaft it
Between be connected by bearing, the sealing device includes the first sealing gland and the second sealing gland, the both ends of the surface point of the sprocket wheel
First sealing gland and the second sealing gland are not connected with, and first sealing gland is located at the shaft end of the power transmission shaft
Place, second sealing gland is arranged on the power transmission shaft, on the end face of first sealing gland and the second sealing gland
Annular lug is provided with, the outer wall and inwall of the annular lug are the conical surface, outer wall and the inwall cone of the annular lug
The diameter augment direction in face on the contrary, be provided with the both ends of the surface of the sprocket wheel is answered annular recessed with the annular lug phase team
Groove, the outer wall and inwall of the annular groove are the conical surface, the outer wall of the annular groove and the diameter increase side of conical surface of inboard wall
To on the contrary, the annular lug is inserted into the annular groove, the annular lug and the annular groove phase wedging are described
First sealing gland and the second sealing gland are rubber ring.
The outer wall of the annular lug is identical with the taper of conical surface of inboard wall.
The outer wall of the annular lug and the taper of conical surface of inboard wall are 5~60 °.
Multiple seal grooves, the seal groove are provided with the inwall that second sealing gland is in contact with the power transmission shaft
Inside it is plugged with sealing ring.
First sealing gland is connected with an end face of the sprocket wheel by multiple first bolts, and described second is close
Sealed cover is connected with another end face of the sprocket wheel by multiple second bolts.
First bolt is dormant bolt.
For multiple first bolts in being arranged circumferentially, multiple second bolts are in be arranged circumferentially.
The utility model has the advantages that：Sealing device of the present utility model, using the first sealing gland and
The design that two sealing glands are combined, good sealing effect, oil leakage phenomenon can be effectively avoided, ensure the long-term of scrapper conveyor internal sprockets
Normal operation, ensure the service life of sprocket wheel；Effectively power transmission shaft can be played a protective role, extend power transmission shaft uses the longevity
Life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 right side structural representation；
Fig. 3 is the partial enlargement structural representation at A in Fig. 1；
Fig. 4 is the structural representation of Fig. 1 middle sprockets；
Fig. 5 is Fig. 4 left view structural representation；
Fig. 6 is the structural representation of the first sealing gland in Fig. 1；
Fig. 7 is Fig. 6 left view structural representation；
Fig. 8 is the structural representation of the second sealing gland in Fig. 1；
Fig. 9 is Fig. 8 right side structural representation；
In figure：1st, the first sealing gland, 2, power transmission shaft, 3, sprocket wheel, 31, annular groove, 32, axis hole, 33, screwed hole, 4,
Second sealing gland, the 41, second circular hole, the 42, first seal groove, the 43, second seal groove, 5, housing wallboard, 6, oil sealing, 7, O-shaped
Sealing ring, 8, lubricant passage way hole, 9, axle bed, 10, bearing, 11, annular lug, the 12, first circular hole, the 13, first bolt, 14,
Two bolts.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of sprocket wheel shaft sealer, sprocket wheel 3 are set on power transmission shaft 2, and sprocket wheel 3 is with passing
It is connected between the 2 of moving axis by bearing 10, the sealing device includes the first sealing gland 1 and the second sealing gland 4, sprocket wheel 3
Both ends of the surface are connected to the first sealing gland 1 and the second sealing gland 4, and the first sealing gland 1 is located at the shaft end of power transmission shaft 2
Place, the second sealing gland 4 are arranged on power transmission shaft 2；
Be provided with annular lug 11 on the end face of first sealing gland 1 and the second sealing gland 4, annular lug 11 it is outer
Wall and inwall are the conical surface, and the outer wall of annular lug 11 and the diameter augment direction of conical surface of inboard wall are on the contrary, in the both ends of the surface of sprocket wheel 3
The annular groove 31 answered with the phase team of annular lug 11 is provided with, the outer wall and inwall of annular groove 31 are the conical surface, and annular is recessed
The outer wall of groove 31 and the diameter augment direction of conical surface of inboard wall are on the contrary, annular lug 11 is inserted into annular groove 31, annular lug
11 with the phase wedging of annular groove 31, the first sealing gland 1 and the second sealing gland 4 are rubber ring, i.e., using soft seal form.
First sealing gland 1 and the second sealing gland 4 use rubber sealing, and annular lug 11 is inserted into the ring
In connected in star 31, annular lug 11 and annular groove 31 are respectively provided with taper, enable to the first sealing gland 1 and the second sealing pressure
End face of the lid 4 with sprocket wheel 3 is combined closely, and reaches good sealing effectiveness, can effectively avoid oil leakage phenomenon, while prevented also from
Water or other impurities enter in bearing block, prevent bearing wear, protect power transmission shaft and sprocket wheel so that sprocket wheel being capable of normal operation.
The outer wall of annular lug 11 is identical with the taper of conical surface of inboard wall, as Figure 6-Figure 7, ring on the first sealing gland 1
The taper of the outer wall conical surface of shape projection 11 is α, the taper β of conical surface of inboard wall, then has α=β；As illustrated in figs. 8-9, the second sealing pressure
Same annular lug 11 is also equipped with lid 4, as shown in fig. 4-5, annular groove 31 and the phase of annular lug 11 on sprocket wheel 3
Corresponding, i.e., the taper of the outer wall conical surface of annular groove 31 is also α, and the taper of conical surface of inboard wall is also β.
Wherein power transmission shaft 2 is internally provided with lubricant passage way hole 8, to play a part of lubricating bearing and power transmission shaft, transmission
Axle 2 is arranged in axle bed 9, and axle bed 9 is also connected with housing wallboard 5.
Further, the outer wall of annular lug 11 and the taper of conical surface of inboard wall are 5~60 °, it is preferred that annular lug 11
Outer wall and the taper of conical surface of inboard wall be 10 °, to reach better seal effect.
Wherein, multiple seal grooves, seal groove interpolation are provided with the inwall that the second sealing gland 4 is in contact with power transmission shaft 2
Sealing ring is connected to, sealing ring can be oil sealing or O-ring seal, as illustrated in figs. 8-9, be set on the inwall of the second sealing gland 4
The first seal groove 42 and the second seal groove 43 are equipped with, as shown in figure 3, the first seal groove 42 is used to install oil sealing 6, the second seal groove
43 are used for mounting O-shaped sealing ring 7, preferably to ensure sealing effectiveness.
Wherein, the first sealing gland 1 is connected with an end face of sprocket wheel 3 by multiple first bolts 13, the second sealing
Gland 4 is connected with another end face of sprocket wheel 3 by multiple second bolts 14.
First bolt 13 is dormant bolt, and the second bolt 14 is conventional hexagonal bolt, accordingly, on the first sealing gland 1
The first circular hole 12 for wearing the first bolt 13 is provided with, the first circular hole 12 is counter sink, is provided with the second sealing gland 4
For wearing the second circular hole 41 of the second bolt 14, screwed hole 33 is correspondingly arranged on sprocket wheel 3, for wear the first bolt 13 or
Second bolt 14.
Further, when the first sealing gland 1 is connected with sprocket wheel 3, the first bolt 13 is also cross the first sealing gland 1
The annular groove 31 of annular lug 11 and sprocket wheel 3, when the second sealing gland 4 is connected with sprocket wheel 3, the second bolt 41 is also cross
The annular lug 11 of two sealing glands 4 and the annular groove 31 of sprocket wheel 3.
Further, for multiple first bolts 13 in being arranged circumferentially, multiple second bolts 14 are in be arranged circumferentially, with
Preferably ensure fixed effect, and ensure the first sealing gland 1, the second sealing gland 4 and the uniform force of sprocket wheel 3.
Sealing device of the present utility model is mainly used in shaft end seal at driven sprocket, and the first sealing gland 1 and second is close
Sealed cover 4 uses rubber sealing, and annular lug 11 and annular groove 31 are respectively provided with taper, enable to the first sealing gland
1 and second end face of the sealing gland 4 with sprocket wheel 3 combine closely, good sealing effect；Rubber sealing is mutually tied with taper sealing
Close, compressibility can be good, and expansion character is good, good sealing effect, and the second sealing gland 4 is provided with multiple seal grooves, can be achieved
Multiple sealing surface sealings, preferably ensure that sealing effectiveness, sealing device of the present utility model can effectively avoid oil leakage phenomenon；Together
When enter prevented also from water or other impurities in bearing block, prevent bearing wear, ensure making for the bearing in sprocket wheel and power transmission shaft
With the life-span so that sprocket wheel being capable of normal operation.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within the scope of protection of the utility model.The scope of protection of the utility model is defined by claims.
Claims (7)
1. a kind of sprocket wheel shaft sealer, the sprocket wheel are set on power transmission shaft, pass through between the sprocket wheel and the power transmission shaft
Bearing is connected, it is characterized in that, the sealing device includes the first sealing gland and the second sealing gland, the both ends of the surface of the sprocket wheel
First sealing gland and the second sealing gland are connected to, first sealing gland is located at the shaft end of the power transmission shaft
Place, second sealing gland is arranged on the power transmission shaft, on the end face of first sealing gland and the second sealing gland
Annular lug is provided with, the outer wall and inwall of the annular lug are the conical surface, outer wall and the inwall cone of the annular lug
The diameter augment direction in face on the contrary, be provided with the both ends of the surface of the sprocket wheel is answered annular recessed with the annular lug phase team
Groove, the outer wall and inwall of the annular groove are the conical surface, the outer wall of the annular groove and the diameter increase side of conical surface of inboard wall
To on the contrary, the annular lug is inserted into the annular groove, the annular lug and the annular groove phase wedging are described
First sealing gland and the second sealing gland are rubber ring.
2. sprocket wheel shaft sealer as claimed in claim 1, it is characterized in that, the outer wall of the annular lug and conical surface of inboard wall
Taper is identical.
3. sprocket wheel shaft sealer as claimed in claim 2, it is characterized in that, the outer wall of the annular lug and conical surface of inboard wall
Taper is 5~60 °.
4. sprocket wheel shaft sealer as claimed in claim 1, it is characterized in that, second sealing gland and the power transmission shaft phase
Multiple seal grooves are provided with the inwall of contact, sealing ring is plugged with the seal groove.
5. sprocket wheel shaft sealer as claimed in claim 1, it is characterized in that, first sealing gland and the one of the sprocket wheel
Individual end face is connected by multiple first bolts, and another end face of second sealing gland and the sprocket wheel passes through multiple the
Two bolts are connected.
6. sprocket wheel shaft sealer as claimed in claim 5, it is characterized in that, first bolt is dormant bolt.
7. sprocket wheel shaft sealer as claimed in claim 5, it is characterized in that, multiple first bolts are in circumferential uniform cloth
Put, multiple second bolts are in be arranged circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701503.0U CN206904237U (en) | 2017-06-15 | 2017-06-15 | Sprocket wheel shaft sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701503.0U CN206904237U (en) | 2017-06-15 | 2017-06-15 | Sprocket wheel shaft sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904237U true CN206904237U (en) | 2018-01-19 |
Family
ID=61284535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701503.0U Expired - Fee Related CN206904237U (en) | 2017-06-15 | 2017-06-15 | Sprocket wheel shaft sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904237U (en) |
-
2017
- 2017-06-15 CN CN201720701503.0U patent/CN206904237U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |