CN216241873U

CN216241873U - Oil-gas lubricating structure of supporting roll shaft

Info

Publication number: CN216241873U
Application number: CN202122934038.4U
Authority: CN
Inventors: 邱代兵; 张健; 姚宏祥
Original assignee: Jiangsu Soviet Peak Industry Co ltd
Current assignee: Jiangsu Soviet Peak Industry Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to an oil-gas lubrication structure of a supporting roll shaft, which comprises a supporting roll shaft and a turning roll or a torsion roll sleeved outside the supporting roll shaft, wherein a first bearing is arranged between the turning roll and the supporting roll shaft, a second bearing is arranged between the torsion roll and the supporting roll shaft, an oil distributor is arranged between the adjacent second bearings, an oil channel is arranged on the oil distributor, a first oil-gas hole is arranged at the end part of the supporting roll shaft, a second oil-gas hole communicated with the first oil-gas hole is arranged at the outer side of the supporting roll shaft, the oil-gas lubrication structure is adopted to lead the supporting roll shaft to be connected with oil gas, directly oil-gas lubrication is carried out on the first bearing through the first oil-gas hole and the second oil-gas hole or oil-gas lubrication is carried out on the adjacent second bearing through the oil-gas distributor distribution, the use amount and the spare part cost consumption of a steel rolling turning roll or torsion roll shaft bearing can be effectively improved, the turning cost can be reduced, and the phenomenon that the material type is not in place due to the blockage of the turning roll or the torsion roll can be avoided, Furthermore, the material overflow phenomenon is caused, the service life of the first bearing or the second bearing is prolonged, and the stable production and operation are ensured.

Description

Oil-gas lubricating structure of supporting roll shaft

Technical Field

The utility model belongs to the technical field of steel rolling roll shafts, and particularly relates to an oil-gas lubricating structure for a supporting roll shaft.

Background

The steel rolling is a pressure processing process for obtaining a steel ingot and a steel billet with a required shape or improving the internal quality of steel and changing the shape of the steel ingot and the steel billet between rotating rollers, and along with the development of a steel rolling technology, the steel rolling technology and the process tend to be mature and stable at present, and how to promote new products on the basis of an original structure and the process and improve the cost, the technology and the like is necessary. In the prior art, bearings are arranged between a rolling turnover roller and a support roller shaft as well as between a torsion roller and the support roller shaft to support the rotation of a rotating machine and improve the rotation precision, and the bearings are lubricated by dry oil and have the following defects: the original grease has to be extruded out at high pressure when the fresh grease is fed into the bearing seat, so that great waste of the grease is caused; the dry oil really plays a role in lubrication, and the rest of the dry oil plays a role in filling; the drier oil causes the whole inside ambient temperature of bearing assembly too high easily, leads to the life of bearing to reduce by a wide margin, the bearing reuse rate is low to increase and stand up roller and the supporting roll axle bearing use amount, spare part cost consumption of twisting the roller, stand up the roller or twist the roller card and lead to the material type to stand up the phenomenon that does not target in place, even cause the material, influence production stability, treat urgently and improve.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides an oil-gas lubrication structure for a supporting roll shaft, which is characterized in that the oil-gas lubrication structure is adopted to enable the supporting roll shaft to be connected with oil gas, directly subjected to oil-gas lubrication to a first bearing or distributed by an oil distributor and subjected to oil-gas lubrication to an adjacent second bearing, so that the cost is reduced, the phenomenon that material type turning is not in place and even material is overflowed due to the fact that a turning roll or a torsion roll is blocked is avoided, the service life of the first bearing or the second bearing of the supporting roll shaft is prolonged, and the stable production and operation are ensured.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an oil-gas lubricating structure of a supporting roll shaft comprises the supporting roll shaft and a turning roll or a torsion roll sleeved outside the supporting roll shaft, wherein at least one first bearing is arranged between the turning roll and the supporting roll shaft, at least two second bearings are arranged between the torsion roll and the supporting roll shaft, an oil distributor is arranged between every two adjacent second bearings, and an oil channel arranged corresponding to the adjacent second bearings is arranged on the oil distributor;

the backing roll axle head portion is equipped with at least one and extends to the inside first oil gas hole of backing roll axle, and the backing roll axle outside is equipped with at least one and the second oil gas hole of first oil gas hole intercommunication, the second oil gas hole corresponds first bearing setting or communicates with oil passageway.

According to the oil-gas lubrication structure for the supporting roller shaft, preferably, one side of the first bearing is in limit fit with the supporting roller shaft and the turning-over roller, the other side of the first bearing is provided with the oil seal, the washer and the locking nut, and the locking nut is connected with the first bearing in a matched mode.

As above a support roller axle oil-gas lubrication structure, preferably, oil passageway includes annular and a plurality of side opening, the annular is located the oil distributor inboard and with second oil-gas hole intercommunication, a plurality of side openings and annular intercommunication and tip are corresponding to adjacent second bearing, be equipped with the bearing housing in the twist roller, the bearing housing is located second bearing and oil distributor outside.

As above a support roller axle oil-gas lubrication structure, preferably, first oil gas hole tip is equipped with pneumatic hose, pneumatic hose connection has the oil gas station.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the two sides of a first bearing of the turnover roller are limited by the turnover roller and a supporting roller shaft and are locked and installed by oil seals, gaskets and locking nuts, oil gas is introduced into a first oil gas hole through a pneumatic hose by an oil gas station, and the oil gas directly enters the first bearing for oil gas lubrication along a communicated second oil gas hole, so that the necrosis of the first bearing is reduced compared with the traditional structure, the online service time is prolonged, and the turnover roller can be cleaned and recycled;

(2) the torsion roller is assembled with the second bearing and the oil distributor through the bearing sleeve, oil gas is introduced into the first oil gas hole through the pneumatic hose in the oil gas station, enters the annular groove of the oil channel along the communicated second oil gas hole, and is introduced into the adjacent second bearing through the plurality of side holes communicated with the two sides of the annular groove, so that oil gas lubrication is realized, the necrosis of the second bearing is reduced compared with the traditional structure, the online service time is prolonged, and the bearing can be cleaned and recycled;

to sum up, adopt the oil-gas lubrication structure to make the supporting roll axle insert the oil gas, to the direct oil-gas lubrication of first bearing or through the distribution of oil distributor, to adjacent second bearing oil-gas lubrication, can effectively improve the steel rolling and stand up roller or twist reverse roller axle bearing use amount, spare part cost consumption to reduce the cost, avoid standing up the roller or twist reverse the roller card and die and lead to the material type to stand up not in place, even cause the phenomenon of material overflow, the first bearing of extension supporting roll axle or second bearing life-span, guarantee that the production operation is stable.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of embodiment 2 of the present invention;

in the figure, a supporting roller shaft 1, a turnover roller 2, a first bearing 3, a first oil-gas hole 4, a second oil-gas hole 5, a pneumatic hose 6, an oil-gas station 7, an oil seal 8, a gasket 9, a locking nut 10, an end cover 11, a sealing gasket 12, a gland 13, a first groove 14, a torsion roller 15, a second bearing 16, an oil distributor 17, an oil channel 18, a ring groove 181, a side hole 182, a bearing sleeve 19, a first boss 20, a second groove 21, a fixing plate 22 and a second boss 23.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1:

as shown in fig. 1, which is a preferred embodiment of the oil-gas lubrication structure for the supporting roller shaft for prolonging the service life of the bearing of the present invention, the oil-gas lubrication structure includes a supporting roller shaft 1 and a turn-over roller 2 sleeved outside the supporting roller shaft 1, and at least one first bearing 3 is disposed between the turn-over roller 2 and the supporting roller shaft 1;

support 1 tip of roller axle and be equipped with at least one and extend to the first oil gas hole 4 of support roller axle 1 inside, support roller axle 1 outside be equipped with at least one with the first oil gas hole 4 second oil gas hole 5 of intercommunication, the oil gas hole 5 of second corresponds the setting of first bearing 3, first oil gas hole 4 tip is equipped with pneumatic hose 6, pneumatic hose 6 is connected with oil gas station 7.

According to this embodiment 1, preferably, first bearing 3 one side with support roller 1, stand up the spacing cooperation of roller 2, first bearing 3 opposite side is equipped with oil seal 8, packing ring 9 and lock nut 10, lock nut 10 links to each other with the cooperation of first bearing 3, stand up 2 end connection of roller has end cover 11, be equipped with sealed 12 and gland 13 on the end cover 11, gland 13 is located sealed 12 outsides of filling up and links to each other with end cover 11, and gland 13, sealed 12 and end cover 11 all locate support roller 1 outside, be equipped with on the support roller 1 with sealed 12 complex first recess 14.

The assembly and oil-air lubrication application process of the embodiment 1 is as follows:

sleeving the turnover roller 2 outside the supporting roller shaft 1, and supporting the turnover roller 2 by sleeving a first bearing 3, wherein one side of the first bearing 3 is in limit fit with the supporting roller shaft 1 and the turnover roller 2, and the other side of the first bearing 3 is in threaded fit connection with the first bearing 3 through an oil seal 8 and a gasket 9 to realize the installation of the first bearing 3, and a second oil-gas hole 5 corresponds to the first bearing 3; sleeving an end cover 11 outside a supporting roll shaft 1 and connecting the end cover with a turnover roll 2 through a bolt, arranging an oil-resistant silicon rubber sealing gasket 12 outside the end cover 11 and matching with a first groove 14 of the supporting roll shaft 1, sleeving a gland 13 outside the supporting roll shaft 1 and connecting the end cover 11 through the sealing gasket 12 through the bolt to realize the end installation of the turnover roll 2, thereby playing the roles of preventing water and fastening the supporting roll shaft 1; insert pneumatic hose 6 in the first oil gas hole 4 and connect oil gas station 7 and realize the unit mount, can dismantle the connection, the installation is reliable.

When the turning-over roller 2 is installed on a rolling mill of a steel rolling wire and steel rolling works, an oil-gas station 7 is controlled to access oil gas to a first oil-gas hole 4 through a pneumatic hose 6, the oil gas enters a first bearing 3 along a second oil-gas hole 5 which is communicated, oil-gas lubrication of the first bearing 3, a supporting roller shaft 1 and the turning-over roller 2 is realized, and the oil gas is closed after the steel rolling work is finished.

Example 2:

as shown in fig. 2, in another preferred embodiment of the oil-air lubrication structure for a support roller shaft for prolonging the service life of a bearing according to the present invention, the oil-air lubrication structure includes a support roller shaft 1 and a torsion roller 15 sleeved outside the support roller shaft 1, at least two second bearings 16 are disposed between the torsion roller 15 and the support roller shaft 1, an oil distributor 17 is disposed between adjacent second bearings 16, and an oil channel 18 is disposed on the oil distributor 17 and corresponds to the adjacent second bearings 16;

support roller 1 tip and be equipped with at least one and extend to the first oil gas hole 4 of support roller 1 inside, support roller 1 outside is equipped with at least one and the second oil gas hole 5 of first oil gas hole 4 intercommunication, second oil gas hole 5 and oil duct 18 intercommunication, first oil gas hole 4 tip is equipped with pneumatic hose 6, pneumatic hose 6 is connected with oil gas station 7.

According to the present embodiment 2, preferably, the oil passage 18 includes an annular groove 181 located inside the oil distributor 17 and communicating 5 with the second oil and gas hole, and a plurality of side holes 182 communicating with the annular groove 181 and having ends corresponding to the adjacent second bearings 16.

According to this embodiment 2, preferably, be equipped with bearing housing 19 in the twist roller 15, bearing housing 19 is located second bearing 16 and oil distributor 17 outside, be equipped with a plurality of and the first boss 20 of the spacing complex of second bearing 16 or oil distributor 17 on the bearing roller axle 1, be equipped with a plurality of and second bearing 16 complex second recess 21 in the bearing housing 19, bearing roller axle 1 end connection have with the spacing fixed plate 22 of second bearing 16, be equipped with on the bearing housing 19 with the spacing complex second boss 23 of twist roller 15, twist roller 15 tip is equipped with the adapter sleeve that bearing housing 19 links to each other, the adapter sleeve is located fixed plate 22 outside.

The assembly and oil-air lubrication application process of the embodiment 2 is as follows:

sleeving a second bearing 16 outside the supporting roll shaft 1, sleeving a bearing sleeve 19 outside the second bearing 16, limiting one side of the second bearing 16 with a first boss 20 of the supporting roll shaft 1, limiting the other side of the second bearing 16 with a second groove 21 of the bearing sleeve 19, sleeving an oil distributor 17 outside the supporting roll shaft 1 and limiting the oil distributor with the corresponding first boss 20, sleeving another second bearing 16 outside the supporting roll shaft 1, limiting one side of the second bearing 16 with the second groove 21 of the bearing sleeve 19, realizing the positioning of the bearing sleeve 19, enabling a second oil-gas hole 5 to correspond to an annular groove 181 of an oil channel 18, realizing the positioning and installation of the second bearing 16 through a fixing plate 22 connected with the supporting roll shaft 1 on the other side of the second bearing 16, and connecting the fixing plate 22 with the supporting roll shaft 1 through bolts; the torsion roller 15 is sleeved outside the bearing sleeve 19, one side of the torsion roller is in limit fit with the second boss 23 of the bearing sleeve 19, the fastening sleeve is sleeved outside the fixing plate 22 and is connected with the bearing sleeve 19 through a bolt, the other side of the torsion roller 15 is limited with the fastening sleeve, and the installation of the torsion roller 15 is realized; insert first oilhole tip with pneumatic hose 6 and connect oil gas station 7 and realize the overall assembly, can dismantle the connection, the installation is reliable.

When the turnover roller 2 is installed on a rolling mill for rolling steel wires and rolling steel works, an oil gas station 7 is controlled to access oil gas to a first oil gas hole 4 through a pneumatic hose 6, the oil gas enters an annular groove 181 of an oil channel 18 along a second oil gas hole 5 which is communicated, and the oil gas is introduced to an adjacent second bearing 16 through a plurality of side holes 182 which are communicated with two sides of the annular groove 181, so that oil gas lubrication is realized, and the oil gas is closed after the rolling steel works.

Compared with the dry oil lubrication, the oil-gas lubrication has the following advantages: the gas-liquid two-phase film lubricated by oil gas greatly improves the bearing capacity of the oil film, reduces the friction loss and improves the lubricating efficiency; the gas-liquid two-phase oil film generated by the oil gas is fresh and does not damage the bearing performance; less lubricant consumption; preferably, the diameters of the first oil gas hole 4 and the second oil gas hole 5 can be 8mm, the online service time is prolonged in the normal production process compared with the existing structure, and the complete bearing is selected after offline, namely if the bearing ring and the roller of the first bearing 3 or the second bearing 16 in the turnover roller 2 or the torsion roller 15 are not damaged, no crack exists, and the like, the turnover roller can be mounted and used for 1-2 times after being cleaned by kerosene, so that the consumption can be reduced by 50% every year, and the cost is saved.

To sum up, adopt the oil-gas lubrication structure to make the supporting roll axle 1 insert the oil gas, to the direct oil-gas lubrication of first bearing 3 or through oil distributor 17 distribution, to adjacent second bearing 16 oil-gas lubrication, first bearing 3 has been reduced than traditional structure, the necrosis of second bearing 16, increase online live time and can wash, repeated reuse, can effectively improve the rolling steel and stand up roller 2 or the 15 axle bearing use amount of torsion roller, spare part cost consumption, thereby reduce the cost, avoid standing up roller 2 or torsion roller 15 card to die and lead to the material type to stand up not in place, even cause the phenomenon of material overflow, the first bearing or the second bearing life-span of extension supporting roll axle, guarantee that production operation is stable.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The oil-gas lubrication structure of the supporting roll shaft is characterized by comprising the supporting roll shaft (1) and a turning roll (2) or a twisting roll (15) sleeved outside the supporting roll shaft (1), wherein at least one first bearing (3) is arranged between the turning roll (2) and the supporting roll shaft (1), at least two second bearings (16) are arranged between the twisting roll (15) and the supporting roll shaft (1), an oil distributor (17) is arranged between every two adjacent second bearings (16), and an oil channel (18) corresponding to the adjacent second bearings (16) is arranged on the oil distributor (17);

support roller (1) tip and be equipped with at least one and extend to the inside first oil gas hole (4) of support roller (1), support roller (1) outside is equipped with at least one second oil gas hole (5) with first oil gas hole (4) intercommunication, second oil gas hole (5) correspond first bearing (3) and set up or communicate with oil passageway (18).

2. The oil-gas lubricating structure for the supporting roll shaft is characterized in that one side of the first bearing (3) is in limit fit with the supporting roll shaft (1) and the turnover roll (2), an oil seal (8), a gasket (9) and a locking nut (10) are arranged on the other side of the first bearing (3), and the locking nut (10) is connected with the first bearing (3) in a fit manner.

3. The oil-gas lubrication structure for the supporting roll shaft is characterized in that the end of the turnover roll (2) is connected with an end cover (11), a sealing gasket (12) and a gland (13) are arranged on the end cover (11), the gland (13) is positioned on the outer side of the sealing gasket (12) and is connected with the end cover (11), the gland (13), the sealing gasket (12) and the end cover (11) are arranged outside the supporting roll shaft (1), and a first groove (14) matched with the sealing gasket (12) is formed in the supporting roll shaft (1).

4. A supporting roller oil-air lubrication structure according to claim 1, characterized in that the oil passage (18) includes a ring groove (181) and a plurality of side holes (182), the ring groove (181) is located inside the oil distributor (17) and communicates with the second oil-air holes (5), and the plurality of side holes (182) communicate with the ring groove (181) and have ends corresponding to the adjacent second bearings (16).

5. A supporting roller axis oil-air lubrication structure according to claim 1, characterized in that a bearing sleeve (19) is arranged in the torsion roller (15), and the bearing sleeve (19) is located outside the second bearing (16) and the oil distributor (17).

6. The oil-gas lubrication structure for the supporting roller shaft according to claim 5, wherein a plurality of first bosses (20) which are in limit fit with the second bearing (16) or the oil distributor (17) are arranged on the supporting roller shaft (1), a plurality of second grooves (21) which are in limit fit with the second bearing (16) are arranged in the bearing sleeve (19), and a fixing plate (22) which is in limit fit with the second bearing (16) is connected to the end part of the supporting roller shaft (1).

7. The oil-gas lubrication structure for the supporting roller shaft as claimed in claim 6, wherein a second boss (23) which is in limit fit with the torsion roller (15) is arranged on the bearing sleeve (19), a fastening sleeve connected with the bearing sleeve (19) is arranged at the end part of the torsion roller (15), and the fastening sleeve is positioned outside the fixing plate (22).

8. The oil-gas lubrication structure for the supporting roller shaft is characterized in that a pneumatic hose (6) is arranged at the end part of the first oil-gas hole (4), and the pneumatic hose (6) is connected with an oil-gas station (7).