CN211101485U - Fan-shaped section roller bearing cooling piping structure - Google Patents
Fan-shaped section roller bearing cooling piping structure Download PDFInfo
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- CN211101485U CN211101485U CN201921673906.4U CN201921673906U CN211101485U CN 211101485 U CN211101485 U CN 211101485U CN 201921673906 U CN201921673906 U CN 201921673906U CN 211101485 U CN211101485 U CN 211101485U
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Abstract
The utility model provides a cooling piping structure for a roller bearing with a sector section, which is at least provided with two groups, wherein the first group is arranged between a water inlet of a main cooling pipeline and a water inlet of a roller assembling bearing seat, and the second group is arranged between a water outlet of the roller assembling bearing seat and a water outlet of the main cooling pipeline; each group of pipe distribution structures at least comprises a movable water jacket and a sleeve, the upper end of the movable water jacket is installed in a counter bore of the roller assembly bearing seat, the lower end of the movable water jacket is located in the counter bore of the sleeve, and the sleeve penetrates through the fan-shaped section frame base to be connected to the main cooling pipeline. The piping structure shortens the maintenance time of the fan-shaped section, improves the use efficiency and the continuous casting productivity of the fan-shaped section, and simultaneously solves the problems that when the bearing seat of the inner arc roller of the on-line fan-shaped section and the cooling pipeline are blocked, the pipeline can be quickly cleaned on line, and the production efficiency is improved; meanwhile, the quality of the casting blank is indirectly improved.
Description
Technical Field
The utility model relates to a metallurgical continuous casting equipment, concretely relates to fan-shaped section roller bearing cooling piping structure.
Background
At present, all the cooling pipes of the bearing seats of the fan-shaped sections are all welded on the frame and the base of the fan-shaped section of carbon steel by adopting stainless steel pipes for one-time manufacture convenience, so as to form a cooling whole. In order to prevent the stainless steel pipe from falling off and leaking water in the welding seam caused by shrinkage deformation in the high-temperature working process, the pipe is designed into a multi-section arc shape and is bent and folded. However, when the fan-shaped section is in a high-temperature environment and works for a long time, slag scales generated by rusting of the carbon steel bearing seat and the base fall into the bearing seat, the base and a welding bent pipeline, and are accumulated for a long time to cause blockage of the bearing seat, the base and the welding pipeline, and at present, no method for rapidly repairing the blockage faults of the bearing seat, the base, the pipeline and the like on line exists; even in the maintenance area, because the crooked pipeline route is longer, the cinder of the inside all can not be through blowing the clearance, seriously influences the cooling of the inside bearing of bearing frame, influences roller and fan-shaped section life-span, has reduced fan-shaped section availability factor.
In order to solve the problems, at present, only the technologies of assembling the rollers of the sector sections, adopting compressed air blowing or high-pressure water washing and the like can be disassembled in a maintenance area, and due to the principle problem of pipeline design, the maintenance is time-consuming and labor-consuming, and the effect is not ideal as much as possible; meanwhile, the problem that a bearing seat, a base and a cooling distribution pipe are blocked in the online production process cannot be solved, and the serious consequence of poor cooling of the bearing and the quality problem of a casting blank caused by poor cooling of the bearing cannot be solved in time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art, provide a fan-shaped section roller bearing cooling piping structure and application method for making things convenient for fan-shaped section roller bearing frame maintenance, shortening fan-shaped section maintenance time, improving fan-shaped section availability factor and casting blank quality.
The utility model discloses the technical scheme who adopts as follows:
a cooling piping structure for a roller bearing at a sector section is at least provided with two groups, wherein the first group is arranged between a water inlet of a main cooling pipeline and a water inlet of a roller assembling bearing seat, and the second group is arranged between a water outlet of the roller assembling bearing seat and a water outlet of the main cooling pipeline; each group of pipe distribution structures at least comprises a movable water jacket and a sleeve, the upper end of the movable water jacket is installed in a counter bore of the roller assembly bearing seat, the lower end of the movable water jacket is located in the counter bore of the sleeve, and the sleeve penetrates through the fan-shaped section frame base to be connected to the main cooling pipeline.
Furthermore, the sleeve penetrates through the base of the fan-shaped section frame and is connected with the main cooling pipeline through a metal hose.
Preferably, two ends of the metal hose are respectively connected with the sleeve and the main cooling pipeline through quick connectors.
Preferably, the sleeve is a variable diameter sleeve and is provided with a vertical section and an expanding section, the expanding section is positioned at the upper part of the vertical section, the top of the expanding section is provided with an inwards concave positioning counter bore, and the lower part of the movable water jacket is inserted and fixed in the positioning counter bore.
Preferably, a first sealing piece is arranged between the upper end of the movable water jacket and the roller assembling bearing seat, and a second sealing piece is arranged between the lower end of the movable water jacket and a positioning counter bore recessed in the top of the sleeve.
Preferably, the movable water jacket, the sleeve and the metal hose are coaxially and vertically arranged.
Furthermore, the piping structure is provided with a plurality of sets, each set comprises two sets, and each set is arranged between the roller assembly bearing seat and the main cooling pipeline; the two groups of pipe distribution structures are respectively communicated with a water inlet and a water outlet of the bearing seat cooling water channel and form a cooling loop with the main cooling pipeline.
The specific number of the piping structures is determined by the number of the roller segments and the number of the bearing seats.
The utility model has the advantages as follows:
1. the cooling piping structure is a detachable vertical straight pipeline, when blockage occurs due to the structure problem of a bearing seat cooling water path of roller assembly in the steel pouring process, a metal hose and a stainless steel sleeve of backwater are quickly separated on line, a special simple tool such as a metal wire is used for dredging a blockage outflow pipeline, the pipeline can be quickly dredged and production can be recovered, maintenance time is shortened, and productivity is improved.
2. In the steel pouring process, when the water leakage condition occurs to a certain bearing seat, the metal hose and the stainless steel sleeve which are used for water inlet and water return can be quickly disconnected on line, the water in the path is short-circuited firstly, the local supercooling of a casting blank caused by large leakage is prevented from causing the surface quality defect, then the water leakage problem is solved by using the tool on-line fastening bolt as far as possible, and finally the metal hose is quickly connected to ensure that the cooling water path is smooth.
3. Before the fan-shaped section is replaced with a new roller assembly bearing seat in the maintenance area, the stainless steel sleeve and the metal hose can be separated independently and respectively, the stainless steel sleeve can be pulled out from the upper opening of the base of the fan-shaped section frame to be cleaned or replaced independently, and the metal hose can also be cleaned and replaced, so that simplicity and convenience are realized, and the smoothness of the whole fan-shaped section roller bearing cooling distribution pipe is ensured.
4. This piping structure has simple structure, installation convenient to use, low, dismantlement easy maintenance's of processing cost advantage, the utility model discloses not only shorten the maintenance time, improved the fan-shaped section availability factor of conticaster, productivity gain has still indirectly improved the casting blank quality.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a general structural diagram arrangement of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a partially enlarged view at B in fig. 2.
Description of reference numerals:
1. assembling a bearing seat on the roller; 2. a movable water jacket; 3. a first seal member; 4. a sector section frame base; 5. a sleeve; 6. a second seal member; 7. a metal hose; 8. and a main cooling pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
First embodiment
A cooling piping structure for a roller bearing with a sector section is provided with at least two groups, as shown in figure 1, wherein the first group is arranged between a water inlet of a main cooling pipeline 8 and a water inlet of a roller assembly bearing seat 1, and the second group is arranged between a water outlet of the roller assembly bearing seat 1 and a water outlet of the main cooling pipeline 8; further, each group of piping structures at least comprises a movable water jacket 2 and a sleeve 5, the upper end of the movable water jacket 2 is installed in a counter bore of the roller assembly bearing seat 1, the lower end of the movable water jacket 2 is located in a counter bore of the sleeve 5, and the sleeve 5 penetrates through the fan-shaped section frame base 4 and is connected to the main cooling pipeline 8.
When the cooling water cooling device is used, the cooling water sequentially passes through the metal hose 7, the sleeve 5 and the movable water jacket 2 in the first group of piping structure and then enters the bearing seat cooling water channel, the bearing is cooled through the bearing seat cooling water channel, the bearing cooling return water enters the second group of piping structure through the water outlet of the bearing seat cooling water channel and then is communicated with the water return port on the main cooling pipeline 8 after sequentially passing through the movable water jacket 2, the sleeve 5 and the metal hose 7 in the second group of piping structure.
The stainless steel movable pipe sleeve structure provided by the utility model shortens the maintenance time of the fan-shaped section, improves the use efficiency and the continuous casting productivity of the fan-shaped section, and simultaneously solves the problem that when the inner arc roller bearing seat and the cooling pipeline of the on-line fan-shaped section are blocked, the roller bearing works at high temperature for a long time under the cooling-free condition when the bearing seat is cooled and blocked, so that the roller does not rotate to cause the quality problem of the surface scratch of the casting blank, and improves the quality of the continuous casting blank; in addition, when a certain bearing seat has a water leakage condition, the water in the path can be quickly and firstly short-circuited, the surface quality defect caused by local supercooling of a casting blank due to a large amount of leakage is prevented, then the water leakage problem is solved by utilizing tools to fasten bolts on line as far as possible, and finally the metal hose is quickly connected to ensure that the cooling water path is smooth.
Second embodiment
The embodiment provides a cooling piping structure for a roller bearing in a sector section, as shown in fig. 1, the piping structure is provided with a plurality of sets, and the specific setting number is determined according to the number of roller segments and the number of bearing seats, wherein each bearing seat is correspondingly provided with one set, each set comprises two sets, the first set is arranged between a water inlet of a main cooling pipeline 8 and a water inlet of a roller assembling bearing seat 1, and the second set is arranged between a water outlet of the roller assembling bearing seat 1 and a water outlet of the main cooling pipeline 8; and the two groups of piping structures are respectively communicated with the water inlet and the water outlet of the bearing seat cooling water channel and form a cooling loop with the main cooling pipeline 8; further, as shown in fig. 2, each group of piping structures at least comprises a movable water jacket 2, a sleeve 5 and a metal hose 7, wherein the upper end of the movable water jacket 2 is installed in a counter bore of the roller assembly bearing seat 1, the lower end of the movable water jacket 2 is located in a counter bore at the upper end of the sleeve 5, and the lower end of the sleeve 5 penetrates through the segment frame base 4 and is connected with the main cooling pipeline 8 through the metal hose 7.
The working process of the cooling piping structure for the roller bearing of the sector section protected by the embodiment comprises the following steps:
s1, determining the number of sets of the required piping structure according to the number of the roller segments and the number of the bearing seats, wherein each bearing seat is correspondingly provided with one set;
s2, arranging a plurality of branch pipelines which correspond to the bearing seats one by one on the main cooling pipeline 8;
s3, each branch pipeline and the main cooling pipeline 8 form a closed loop, each branch pipeline is provided with a water outlet and a water return port, a first group of piping structures are arranged between the water outlet of each branch pipeline and the water inlet of the corresponding bearing seat cooling water channel, and a second group of piping structures are arranged between the water outlet of the bearing seat cooling water channel and the water return port of the branch pipeline;
s4, cooling water enters a first group of piping structures through a water outlet of a branch pipeline, sequentially passes through a metal hose 7, a sleeve 5 and a movable water jacket 2 in the first group of piping structures and then is communicated with a water inlet of a corresponding bearing seat cooling water channel, a bearing is cooled through the bearing seat cooling water channel, cooling return water of the bearing enters a second group of piping structures through a water outlet of the bearing seat cooling water channel, and sequentially passes through the movable water jacket 2, the sleeve 5 and the metal hose 7 in the second group of piping structures and then is communicated with a water return port of the branch pipeline;
s5, cooling the rollers by opening holes in the centers of the rollers after the bearing blocks are sequentially cooled and converged.
The utility model reduces the temperature around the bearing by making the cooling water and the bearing seat in working state perform sufficient heat exchange, thereby improving the service life of the bearing;
third embodiment
On the basis of the above embodiment, as shown in fig. 2, preferably, the sleeve 5 is a reducing sleeve, and has a vertical section and an expanding section, the expanding section is located at the upper part of the vertical section, the top of the expanding section is provided with a concave positioning counter bore, and the lower part of the movable water jacket 2 is inserted and fixed in the positioning counter bore.
It is worth mentioning that as shown in fig. 3, in order to improve the sealing effect of the bearing seat, a first sealing member 3 is arranged between the upper end of the movable water jacket 2 and the roller assembly bearing seat 1, and a second sealing member 6 is arranged between the lower end of the movable water jacket 2 and a positioning counter bore recessed in the top of the sleeve 5.
On the basis, as a preference, two sealing grooves are arranged on the outer side of the movable water jacket 2, and O-shaped sealing rings are preferably arranged in the sealing grooves and are respectively used for sealing between the movable water jacket 2 and the roller assembling bearing seat 1 and the sleeve 5. It should be noted that other sealing methods are also applicable on the premise of ensuring the sealing effect.
Before the fan-shaped section is replaced with a new roller assembly bearing seat 1 in a maintenance area, the sleeve 5 and the metal hose 7 can be separated independently and respectively, the sleeve 5 can be pulled out from the upper opening of the fan-shaped section frame base 4 to be cleaned or replaced independently, and the metal hose 7 can also be cleaned and replaced, so that simplicity and convenience are realized, and the smoothness of the whole fan-shaped section roller bearing cooling distribution pipe is ensured.
Fourth embodiment
The embodiment provides a cooling piping structure for a roller bearing in a sector section, as shown in fig. 1, the piping structure is provided with a plurality of sets, the specific setting number of the sets is determined according to the number of roller sections and the number of bearing seats, one set of the piping structure comprises two sets of piping structures, each set of piping structure is arranged in one-to-one correspondence with a bearing seat and forms a closed loop with a main cooling pipeline 8, and specifically, a plurality of branch pipelines are arranged on the main cooling pipeline 8 and are in one-to-one correspondence with the positions of the bearing seats; each branch pipeline and the main cooling pipeline 8 form a closed loop, each branch pipeline is provided with a water outlet and a water return port, a first group of piping structures are arranged between the water outlet of each branch pipeline and the water inlet of the corresponding bearing seat cooling water channel, and a second group of piping structures are arranged between the water outlet of the bearing seat cooling water channel and the water return port of the branch pipeline; specifically, as shown in fig. 2, each group of piping structures at least comprises a stainless steel movable water jacket 2, a stainless steel sleeve 5 and a metal hose 7, the upper end of the stainless steel movable water jacket 2 is installed in a counter bore of the roller assembly bearing seat 1, the lower end of the stainless steel movable water jacket 2 is located in a counter bore at the upper end of the stainless steel sleeve 5, and the lower end of the stainless steel sleeve 5 penetrates through the fan-shaped section frame base 4 and is connected with the main cooling pipeline 8 through the metal hose 7.
It should be noted that two ends of the metal hose 7 are respectively connected with the sleeve 5 and the main cooling pipeline 8 through quick connectors.
Preferably, the coaxial vertical setting of stainless steel movable water jacket 2, stainless steel sleeve pipe 5 and metal collapsible tube 7, consequently whole piping structure can not appear blockking up, nevertheless at the steel in-process of watering, when causing the jam because of roller assembly bearing frame 1 cooling water route own structural problem, can throw off the quick change metal collapsible tube 7 and the sleeve pipe 5 of return water online fast, utilize dedicated simple and easy instrument to dredge the plug outflow pipeline like the wire, can dredge the pipeline rapidly and resume production, shorten maintenance time, productivity gain.
It should be noted that:
1. the movable water jacket 2, the sleeve 5, the water inlet pipe and the water outlet/return pipe are made of stainless steel;
2. the cooling loops of the bearing blocks are connected in parallel;
3. the cooling of the bearing housings and rollers is in series relationship in the conduit.
Cooling water enters the first group of fan-shaped roller bearing cooling piping structure through the water inlet of the main cooling pipeline 8, then enters the bearing seat through the structure, and cools the bearing through the bearing seat cooling water channel; the bearing cooling backwater is converged after passing through a second group of fan-shaped section roller bearing cooling piping structure, enters the roller mandrel through a water supply pipe of the roller, and cools the mandrel; the cooling return water enters a return pipe of the roller to finish cooling the roller.
The embodiment also provides that the working process of the cooling piping structure of the segmental roller bearing comprises the following steps:
s1, determining the number of sets of the required piping structure according to the number of the roller segments and the number of the bearing seats, wherein each bearing seat is correspondingly provided with one set;
s2, arranging a plurality of branch pipelines which correspond to the bearing seats one by one on the main cooling pipeline 8;
s3, each branch pipeline and the main cooling pipeline 8 form a closed loop, each branch pipeline is provided with a water outlet and a water return port, a first group of piping structures are arranged between the water outlet of each branch pipeline and the water inlet of the corresponding bearing seat cooling water channel, and a second group of piping structures are arranged between the water outlet of the bearing seat cooling water channel and the water return port of the branch pipeline;
s4, cooling water enters a first group of piping structures through a water outlet of a branch pipeline, sequentially passes through a metal hose 7, a sleeve 5 and a movable water jacket 2 in the first group of piping structures and then is communicated with a water inlet of a corresponding bearing seat cooling water channel, a bearing is cooled through the bearing seat cooling water channel, cooling return water of the bearing enters a second group of piping structures through a water outlet of the bearing seat cooling water channel, and sequentially passes through the movable water jacket 2, the sleeve 5 and the metal hose 7 in the second group of piping structures and then is communicated with a water return port of the branch pipeline;
and S5, after being sequentially cooled, the bearing blocks are converged to pass through a water supply pipe of the roller and enter a roller mandrel, the mandrel is cooled, and cooling return water of the mandrel enters a return water pipe of the roller to finish cooling of the roller.
In the production process, no matter the bearing seat is blocked or water leakage occurs between the bearing seat and the base, the quick-change metal hose 7 for water inlet or water return and the stainless steel sleeve 5 are quickly disconnected on line, the cooling pipeline is quickly recovered, and the smooth production is ensured; in addition, when the fan-shaped section is maintained in a maintenance area, the stainless steel sleeve 5 and the quick-change metal hose 7 can be separated independently and respectively, the stainless steel sleeve 5 can be pulled out from the upper opening of the base 4 of the fan-shaped section frame 6 to be cleaned or replaced independently, and the quick-change metal hose 7 can also be cleaned and replaced, so that the maintenance method is simple and convenient.
To sum up, the utility model adopts a detachable cooling piping structure of the roller bearing of the sector section, which is convenient for maintaining the cooling of the roller bearing of the sector section on line and ensures the use efficiency of the sector section on line; the online maintainability ensures the quality of the continuous casting billet; the maintenance amount of the sector section of the maintenance area is reduced, the maintenance time of the sector section in the maintenance area is shortened, and time and labor are saved.
Parts of the above embodiments that are not specifically described are well known components and conventional structures or conventional means in the art and will not be described in detail herein.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention. The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all such changes are within the scope of the present invention.
Claims (8)
1. The utility model provides a fan-shaped section roller bearing cooling piping structure, includes roller assembly bearing frame (1), fan-shaped section frame base (4) and main cooling pipeline (8), its characterized in that: the piping structure is at least provided with two groups, wherein the first group is arranged between a water inlet of the main cooling pipeline (8) and a water inlet of the roller assembling bearing seat (1), and the second group is arranged between a water outlet of the roller assembling bearing seat (1) and a water outlet of the main cooling pipeline (8); each group of pipe distribution structures further comprises a movable water jacket (2) and a sleeve (5), the upper end of the movable water jacket (2) is installed in a counter bore of the roller assembly bearing seat (1), the lower end of the movable water jacket (2) is located in the counter bore of the sleeve (5), and the sleeve (5) penetrates through the fan-shaped section frame base (4) and is connected to the main cooling pipeline (8).
2. The segment roller bearing cooling piping structure according to claim 1, characterized in that: the sleeve (5) penetrates through the fan-shaped section frame base (4) and then is connected with the main cooling pipeline (8) through the metal hose (7).
3. The segment roller bearing cooling piping structure according to claim 2, characterized in that: and two ends of the metal hose (7) are respectively connected with the sleeve (5) and the main cooling pipeline (8) through quick connectors.
4. The segment roller bearing cooling piping structure according to claim 1, characterized in that: the sleeve (5) is a variable diameter sleeve and is provided with a vertical section and an expanding section, the expanding section is positioned at the upper part of the vertical section, the top of the expanding section is provided with an inwards concave positioning counter bore, and the lower part of the movable water jacket (2) is inserted and fixed in the positioning counter bore.
5. The segment roller bearing cooling tubing structure of claim 4, wherein: a first sealing piece (3) is arranged between the upper end of the movable water jacket (2) and the roller assembling bearing seat (1), and a second sealing piece (6) is arranged between the lower end of the movable water jacket (2) and a positioning counter bore which is concave inwards at the top of the sleeve (5).
6. The segment roller bearing cooling piping structure according to claim 2, characterized in that: the movable water jacket (2), the sleeve (5) and the metal hose (7) are coaxially and vertically arranged.
7. The segment roller bearing cooling piping structure according to any one of claims 1 to 6, wherein: the piping structure is provided with a plurality of sets, each set comprises two sets, and each set is arranged between a roller assembly bearing seat (1) and a main cooling pipeline (8); the two groups of pipe distribution structures are respectively communicated with a water inlet and a water outlet of the bearing seat cooling water channel and form a cooling loop with the main cooling pipeline (8).
8. The segment roller bearing cooling tubing arrangement of claim 7, wherein: the specific number of the piping structures is determined by the number of the roller segments and the number of the bearing seats.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921673906.4U CN211101485U (en) | 2019-10-09 | 2019-10-09 | Fan-shaped section roller bearing cooling piping structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921673906.4U CN211101485U (en) | 2019-10-09 | 2019-10-09 | Fan-shaped section roller bearing cooling piping structure |
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| CN211101485U true CN211101485U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640105A (en) * | 2019-10-09 | 2020-01-03 | 中国重型机械研究院股份公司 | Cooling piping structure for roller bearing of sector section and use method of cooling piping structure |
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2019
- 2019-10-09 CN CN201921673906.4U patent/CN211101485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640105A (en) * | 2019-10-09 | 2020-01-03 | 中国重型机械研究院股份公司 | Cooling piping structure for roller bearing of sector section and use method of cooling piping structure |
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