CN209849561U - Inner-cooling roller way water supply cover - Google Patents
Inner-cooling roller way water supply cover Download PDFInfo
- Publication number
- CN209849561U CN209849561U CN201920154459.5U CN201920154459U CN209849561U CN 209849561 U CN209849561 U CN 209849561U CN 201920154459 U CN201920154459 U CN 201920154459U CN 209849561 U CN209849561 U CN 209849561U
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- Prior art keywords
- water
- water supply
- cavity
- supply cover
- stop sleeve
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Abstract
The utility model provides an inner cooling roller way water supply cover, which relates to the field of hot continuous rolling plate belt production, wherein a stop sleeve and a partition plate are both hollow structures with openings at two ends, the stop sleeve is sleeved at the end of one end of a core pipe sleeve close to a bearing seal, and the stop sleeve passes through the bearing seal and extends to the inner cavity of the water supply cover body; the outer wall of the stop sleeve is of a stepped structure, the large-diameter step is located on one side close to the bearing seal, the small-diameter step is located on one side far away from the bearing seal, and the length direction of the small-diameter step is reserved with the roller way stretching and shifting allowance. The partition plate is sleeved at the end head of one end of the small-diameter step and divides the inner cavity of the water supply cover body into a water return cavity and an overflow cavity; the water outlet is arranged at the bottom of the water return cavity, and the water return cavity is communicated with the water drain pipe through the water outlet; the bottom of the overflow cavity is provided with an overflow port. An inner-cooling roller way water supply cover is used for guaranteeing the lubrication of a bearing, reducing the occurrence of bearing damage accidents, prolonging the maintenance period, reducing the labor intensity of operation and prolonging the service life of a roller way.
Description
Technical Field
The utility model belongs to hot continuous rolling plate area production field, concretely relates to interior cold roll table cover of giving water.
Background
When the hot continuous rolling production line is designed, the bad temperature drop of equipment cooling water to products is reduced, so that a large number of internal cooling roller ways are designed and used.
The maximum rotating speed of a cooling roller way in a hot continuous rolling plate strip production line can reach 19.8m/s, and a conventional rotary joint cannot be normally used, as shown in figure 1, a water supply core pipe is positioned in a water supply cover body, one end of the water supply core pipe is connected with a water inlet, the other end of the water supply core pipe penetrates through a bearing and is connected to an inner cavity of the roller way in a sealing mode, one end, close to the inside of the roller way, of the water supply core pipe is provided with a water spray hole, a core pipe sleeve is sleeved outside the water supply core pipe and is positioned at an inlet section, sealed to the inner cavity of the roller way, of the bearing, a water return passage is formed between the core pipe sleeve and the. The inner cavity D of the water supply cover body and the bearing working cavity E are separated by 2 sets of seals and spacers, the spacers rotate at a high speed along with the roller way body, and the seals are static, so that the seals with sealing functions are easy to wear and lose efficacy, and cooling water enters the bearing working cavity E from the inner cavity D of the water supply cover body after the seals lose efficacy, so that the bearing is damaged after the bearing seat enters water. After the bearing is damaged, the roller way is locked, so that the surface of the product is scratched, and the normal production organization is influenced.
Daily point inspection can't discover after sealed damage, can only rely on regularly when overhauing to tear open to examine, change sealed mode and carry out the investigation processing to hidden danger, for guaranteeing bearing steady operation, consequently lead to overhauing the maintenance cost higher. In addition, when the pressure difference between the water supply cover drainage cavity (D) and the bearing cavity (E) is large, cooling water is easy to enter and cause bearing damage. In order to avoid the damage of water inlet of the bearing, the inspection and maintenance period of the common water supply and drainage cover is generally 7 days, so that the labor intensity of field operation is high.
SUMMERY OF THE UTILITY MODEL
The aforesaid is not enough to prior art, the utility model provides an interior cold roll table cover of giving water to guarantee that the bearing is lubricated, reduce the emergence of bearing damage accident, prolong maintenance cycle, reduce operation intensity of labour, extension roll table life.
The specific technical scheme is as follows: a water supply cover of an internal cooling roller way is applied to a rotary internal cooling roller way and comprises a water supply cover body, a water supply core pipe, a core pipe sleeve, a water inlet, a water outlet, a partition plate and a stop sleeve; the stop sleeve is of a hollow structure with openings at two ends, is sleeved at the end head of one end of the core pipe sleeve close to the bearing seal, and penetrates through the bearing seal to extend to the inner cavity of the water supply cover body; the outer wall of the stop sleeve is of a stepped structure, the large-diameter step of the stop sleeve is located on one side close to the bearing seal, the small-diameter step of the stop sleeve is located on one side far away from the bearing seal, and the length direction of the small-diameter step of the stop sleeve is reserved with the roller way stretching and shifting allowance.
The partition plate is of a hollow structure with openings at two ends, the partition plate is sleeved at the end of one end of the small-diameter step of the stop sleeve, the partition plate is positioned in the inner cavity of the water supply cover body, the inner cavity of the water supply cover body is divided into a water return cavity and an overflow cavity by the partition plate, the water return cavity is positioned on one side far away from the bearing seal, and the overflow cavity is positioned on one side close to the bearing seal; the water outlet is arranged at the bottom of the water return cavity, and the water return cavity is communicated with the water drain pipe through the water outlet; the bottom of the overflow cavity is provided with an overflow port.
Furthermore, a 1-2mm interval is arranged between the spacing plate and the stop sleeve.
Further, the inner diameter of the partition plate is smaller than that of the sealing sleeve.
Further, the return water cavity is provided with a first air inlet.
Further, the overflow cavity is provided with a second air inlet.
Furthermore, a stopping step is arranged inside the stopping sleeve and is matched with the core pipe sleeve structure.
Furthermore, one side of the partition plate, which is close to the bearing seal, is provided with a stop bulge.
Furthermore, the spacing plate is welded in the inner cavity of the water supply cover body.
The beneficial effects of the utility model reside in that, the utility model provides an interior cold roll table water supply cover, interior cold water gets into the roll table inner chamber through the water supply core pipe, accomplishes cold back of going, and the cooling water enters the return water chamber via return water passageway and backstop cover. Through setting up the space bar, increased the overflow chamber that plays the cushioning effect between return water chamber and the bearing working chamber, cooling water discharges via the return water chamber under the normal condition, if meet the not smooth condition of return water such as return water pipe jam and take place, the cooling water gets into the overflow chamber through the clearance between retaining sleeve and the space bar, the cooling water that gets into the overflow chamber can discharge through the overflow hole of overflow chamber lower part rapidly, if there is rivers play in the daily point is examined, can judge rapidly that the cover return water of giving water is not smooth, the mediation is shut down in the contact.
The stop sleeve provided by the technical scheme is used, the original structure of the roller way does not need to be transformed, the stop sleeve can be directly sleeved on the roller way to be used, the roller way is used in a hot continuous rolling production line in a large number, the loading capacity of the roller way is over 200 in general conditions, the original structure is not required to be changed, the stop sleeve can be directly sleeved on the core pipe sleeve to be used, and the use cost benefit is higher. Meanwhile, the stop sleeve is small in size, simple in structure, low in machining difficulty and high in machining precision, and can be subjected to heat treatment independently in batches, and if abrasion deformation occurs, the stop sleeve can be replaced quickly with low cost.
By using the water supply cover for the internal cooling roller way, the installation form of the existing bearing seal and the relative operation mode of the roller way are not changed, and even if the seal is worn after being used for a long time, water can not enter the bearing working cavity through the overflow cavity under the condition of normal drainage. In addition, a staggered design (the stop sleeve is of a stepped structure) is adopted between the stop sleeve and the partition plate, when backwater is blocked, cooling water enters the overflow cavity through the drainage cavity, and the spray surface formed by the reduction of the flow area cannot be directly sprayed onto the bearing seal, so that the water entering of the bearing working cavity caused by the large pressure difference between the overflow cavity and the two cavities of the bearing working cavity at the two sides is avoided.
The utility model discloses a water supply cover uses through the experiment, and is respond well, and the roll table of transformation does not take place the bearing from the experiment back and damages the accident because of intaking the bearing that leads to, also does not take place because of the quality accident on roll table locking fish tail product surface. The original disassembly and inspection period of the lower roller water supply cover before modification is 7 days, and the disassembly and inspection period after modification is more than 60 days, so that the daily maintenance intensity is greatly reduced, and the maintenance cost of equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a prior art water supply jacket.
Fig. 2 is a schematic diagram of the use of the water supply cover of the inner-cooling roller way of the present invention.
Fig. 3 is a schematic side view of the water supply cover body of the present invention.
Fig. 4 is a schematic cross-sectional view of the water supply cover body of the present invention.
Fig. 5 is a schematic sectional view of the stop sleeve of the present invention.
Fig. 6 is a schematic sectional view of the partition board of the present invention.
Fig. 7 is a schematic front view of the partition board of the present invention.
In the figure, 1, a water supply core pipe, 2, a core pipe sleeve, 3, a water inlet, 4, a first air inlet, 5, a drain pipe, 6, a stop sleeve, 7, a partition board, 8, an overflow port, 9 and a second air inlet.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A water supply cover for an internal cooling roller way is applied to a rotary internal cooling roller way and comprises a water supply cover body, a water supply core pipe 1, a core pipe sleeve 2, a water inlet 3, a water outlet, a partition plate 7 and a stop sleeve 6.
The stop sleeve 6 is a hollow structure with openings at two ends, the stop sleeve 6 is sleeved at the end head of the core pipe sleeve 2 close to the bearing seal end, and the stop sleeve 6 penetrates through the bearing seal and extends to the inner cavity of the water supply cover body; the outer wall of the stopping sleeve 6 is of a stepped structure, the large-diameter step of the stopping sleeve 6 is located on one side close to the bearing seal, the small-diameter step of the stopping sleeve 6 is located on one side far away from the bearing seal, and the roller way stretching and shifting allowance is reserved in the length direction of the small-diameter step of the stopping sleeve 6.
The partition plate 7 is of a hollow structure with openings at two ends, the partition plate 7 is sleeved at the end of one end of the small-diameter step of the stop sleeve 6, the partition plate 7 is positioned in the inner cavity of the water supply cover body, the inner cavity of the water supply cover body is divided into a water return cavity and an overflow cavity by the partition plate 7, the water return cavity is positioned on one side far away from the bearing seal, and the overflow cavity is positioned on one side close to the bearing seal; the water outlet is arranged at the bottom of the water return cavity, and the water return cavity is communicated with the water discharge pipe 5 through the water outlet; the bottom of the overflow cavity is provided with an overflow port 8.
Further, to facilitate detection of a blockage of the drain pipe 5, a spacing of 1-2mm is provided between the spacer 7 and the stop collar 6, preferably the flow area between the spacer and the stop collar is about 314mm, the flow area of the overflow aperture is about 716 mm.
In order to avoid the sealing of the cooling water direct-flushing bearing, the inner diameter of the partition plate 7 is smaller than that of the sealing sleeve, so that the cooling water flowing into the overflow cavity from the water return cavity cannot directly flush the bearing seal from the gap between the partition plate 7 and the stop sleeve 6 under the action of pressure, and the cooling water can be further prevented from directly flushing due to the stepped arrangement of the stop sleeve 6.
In order to make the water return cavity discharge water smoothly and prevent vacuum from forming, a first air inlet 4 is arranged in the water return cavity.
To facilitate drainage of the overflow chamber, the overflow chamber is provided with a second air inlet 9.
In order to relatively fix the positions of the stop sleeve 6 and the core tube sleeve 2, a stop step is arranged inside the stop sleeve 6 and structurally matched with the core tube sleeve 2. As shown in fig. 1, the inner diameter of the end of the stop sleeve 6 adjacent to the water supply cover body is smaller than the inner diameter of the end adjacent to the core tube casing 2.
In order to increase the overflow path formed between the stop collar 6 and the core tube casing 2 and at the same time to enhance the structural cooperation between the stop collar 6 and the core tube casing 2, a stop projection is provided on the side of the spacer 7 which is close to the bearing seal.
Furthermore, the partition plate 7 is welded in the inner cavity of the water supply cover body.
The utility model discloses interior cold roll table water supply cover's theory of use as follows: and the inner cooling water enters the inner cavity of the roller way through the water supply core pipe 1, and after cooling is finished, the cooling water enters the water return cavity through the water return passage and the stop sleeve 6. Through setting up space bar 7, increased the overflow chamber that plays the cushioning effect between return water chamber and the bearing working chamber, cooling water discharges via the return water chamber under the normal condition, if meet the not smooth condition of return water such as return water pipe jam and take place, the cooling water gets into the overflow chamber through the clearance between stopping sleeve 6 and space bar 7, the cooling water that gets into the overflow chamber can discharge through the overflow hole of overflow chamber lower part rapidly, if there is rivers play in the daily point is examined, can judge rapidly that the water supply cover return water is not smooth, the contact is shut down the mediation.
The stop sleeve 6 provided by the technical scheme is not required to transform the original structure of the roller way, and can be directly sleeved on the roller way for use. Meanwhile, the stop sleeve 6 is small in size, simple in structure, low in processing difficulty and high in processing precision, and can be subjected to heat treatment independently in batches, and if abrasion deformation occurs, the stop sleeve can be replaced quickly with low cost.
By using the water supply cover for the internal cooling roller way, the installation form of the existing bearing seal and the relative operation mode of the roller way are not changed, and even if the seal is worn after being used for a long time, water can not enter the bearing working cavity through the overflow cavity under the condition of normal drainage. In addition, a staggered design is adopted between the stop sleeve 6 and the partition plate 7 (the stop sleeve 6 is of a stepped structure), when the backwater is blocked, the cooling water enters the overflow cavity through the drainage cavity, and the spray surface formed by the reduction of the flow area cannot be directly sprayed onto the bearing seal, so that the water inlet of the bearing working cavity caused by the large pressure difference between the overflow cavity and the two cavities of the bearing working cavity at the two sides is avoided.
The utility model discloses a water supply cover uses through the experiment, and is respond well, and the roll table of transformation does not take place the bearing from the experiment back and damages the accident because of intaking the bearing that leads to, also does not take place because of the quality accident on roll table locking fish tail product surface. The original disassembly and inspection period of the lower roller water supply cover before modification is 7 days, and the disassembly and inspection period after modification is more than 60 days, so that the daily maintenance intensity is greatly reduced, and the maintenance cost of equipment is reduced.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an interior cold roll table cover of giving water, is applied to rotatory interior cooling roll table, and it includes the cover body of giving water, supplies water core pipe (1), core pipe box (2), water inlet (3) and outlet, its characterized in that: the device also comprises a spacing plate (7) and a stop sleeve (6);
the stop sleeve (6) is of a hollow structure with openings at two ends, the stop sleeve (6) is sleeved at the end head of one end, close to the bearing seal, of the core pipe sleeve (2), and the stop sleeve (6) penetrates through the bearing seal and extends to the inner cavity of the water supply cover body;
the outer wall of the stop sleeve (6) is of a stepped structure, a large-diameter step of the stop sleeve (6) is positioned on one side close to the bearing seal, a small-diameter step of the stop sleeve (6) is positioned on one side far away from the bearing seal, and a roller way stretching and shifting allowance is reserved in the length direction of the small-diameter step of the stop sleeve (6);
the partition plate (7) is of a hollow structure with openings at two ends, the partition plate (7) is sleeved at the end of one end of the small-diameter step of the stop sleeve (6), the partition plate (7) is positioned in the inner cavity of the water supply cover body, the inner cavity of the water supply cover body is divided into a water return cavity and an overflow cavity by the partition plate (7), the water return cavity is positioned on one side far away from the bearing seal, and the overflow cavity is positioned on one side close to the bearing seal;
the water outlet is arranged at the bottom of the water return cavity, and the water return cavity is communicated with the water drain pipe (5) through the water outlet;
the bottom of the overflow cavity is provided with an overflow port (8).
2. The inner-cooling roller way water supply cover of claim 1, wherein: and a 1-2mm interval is arranged between the spacing plate (7) and the stop sleeve (6).
3. The inner-cooling roller way water supply cover of claim 1, wherein: the inner diameter of the partition plate (7) is smaller than that of the sealing sleeve.
4. The inner-cooling roller way water supply cover of claim 1, wherein: the water return cavity is provided with a first air inlet (4).
5. The inner-cooling roller way water supply cover as claimed in claim 4, characterized in that: the overflow chamber is provided with a second air inlet (9).
6. The inner cold roller table water supply hood according to any one of claims 1 to 5, wherein: and a stopping step is arranged in the stopping sleeve (6) and is structurally matched with the core pipe sleeve (2).
7. The inner-cooling roller way water supply cover of claim 6, wherein: and one side of the partition plate (7) close to the bearing seal is provided with a stop bulge.
8. The inner-cooling roller way water supply cover of claim 1, wherein: the partition plate (7) is welded in the inner cavity of the water supply cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154459.5U CN209849561U (en) | 2019-01-29 | 2019-01-29 | Inner-cooling roller way water supply cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154459.5U CN209849561U (en) | 2019-01-29 | 2019-01-29 | Inner-cooling roller way water supply cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209849561U true CN209849561U (en) | 2019-12-27 |
Family
ID=68931145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920154459.5U Expired - Fee Related CN209849561U (en) | 2019-01-29 | 2019-01-29 | Inner-cooling roller way water supply cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209849561U (en) |
-
2019
- 2019-01-29 CN CN201920154459.5U patent/CN209849561U/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: 20191227 Termination date: 20220129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |