CN211449525U - Pipe mill speed-dividing box and pipe mill - Google Patents
Pipe mill speed-dividing box and pipe mill Download PDFInfo
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- CN211449525U CN211449525U CN202020027975.4U CN202020027975U CN211449525U CN 211449525 U CN211449525 U CN 211449525U CN 202020027975 U CN202020027975 U CN 202020027975U CN 211449525 U CN211449525 U CN 211449525U
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Abstract
The utility model provides a pipe mill speed-dividing box and pipe mill belongs to the pipe rolling equipment field. The inside of the shell of the speed-dividing box of the pipe mill is divided into a primary cavity and a secondary cavity by a partition piece. The input gear and the first output gear are meshed with each other and are positioned in the primary cavity. The second gear output component is positioned in the secondary cavity and is connected with the rotating shaft of the first output gear. An oil inlet of the lubricating component is communicated with the bottom of the inner cavity of the shell, and an oil outlet of the lubricating component is connected with a first oil nozzle; the oil outlet is also connected with a second oil nozzle through a flow adjusting structure. The utility model discloses a pipe mill adopts above-mentioned pipe mill speed-dividing box. The utility model discloses a pipe mill speed-dividing box and pipe mill casing pass through the flow control structure, and the oil mass that the first fuel sprayer of control sprays to the rotation junction of input gear pivot and wall piece and the oil mass of second fuel sprayer to the injection of the rotation junction of first output gear pivot and wall piece have avoided pipe mill speed-dividing box local overheat, prolong pipe mill speed-dividing box's life.
Description
Technical Field
The utility model belongs to the technical field of the pipe rolling equipment, more specifically say, relate to a pipe mill speed-dividing box and pipe mill.
Background
The pipe mill respectively transmits power to each roller through a pipe mill speed-dividing box, and the pipe mill speed-dividing box has a large load in operation and needs to continuously lubricate and cool the internal gears through a lubricating component. However, in practical use, the existing speed-dividing box of the pipe mill is easy to generate local overheating, so that the service life of the speed-dividing box of the pipe mill is shortened, and even the speed-dividing box of the pipe mill is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipe mill speed-dividing box and pipe mill to solve the pipe mill speed-dividing box that exists among the prior art and appear local overheat easily, lead to the life-span to shorten, the technical problem who damages even.
In order to achieve the above object, the utility model provides a technical scheme be, provide a pipe mill speed-dividing box, include:
the lubricating oil storage device comprises a shell, a first-stage cavity and a second-stage cavity, wherein a partition part is arranged in the shell, the partition part divides an inner cavity of the shell into the first-stage cavity and the second-stage cavity, and the bottoms of the first-stage cavity and the second-stage cavity are used for storing lubricating oil;
the input gear is positioned in the primary cavity, two ends of the rotating shaft are respectively and rotatably connected with the shell and the partition piece, and one end of the rotating shaft is connected with the input shaft;
the first output gear is positioned at the lower part of the primary cavity so that a tooth part of the first output gear is immersed in lubricating oil at the bottom of the primary cavity, the first output gear is meshed with the input gear, two ends of a rotating shaft of the first output gear are respectively and rotatably connected with the shell and the partition piece, and one end of the rotating shaft of the first output gear is also connected with a first output shaft parallel to the input shaft;
the second gear output assembly is positioned in the secondary cavity, is connected with the rotating shaft of the first output gear and is provided with a second output shaft vertical to the first output shaft; and
the oil inlet of the lubricating assembly is communicated with the bottom of the inner cavity of the shell, and the oil outlet of the lubricating assembly is connected with a first oil nozzle facing the rotary connection position of the input gear rotating shaft and the partition part; the oil outlet is further connected with a second oil nozzle facing the rotating connection position of the first output gear rotating shaft and the partition piece through a flow adjusting structure.
As another embodiment of the present application, a rotational joint between the first output gear rotating shaft and the partition member is located below a rotational joint between the input gear rotating shaft and the partition member, and the first oil jet nozzle is located above the rotational joint between the input gear rotating shaft and the partition member and injects downward.
As another embodiment of this application, the oil-out through locate on the casing oilhole with the second fuel sprayer intercommunication, flow control structure is for locating on the casing lateral wall and be used for blockking the plug member of oilhole.
As another embodiment of this application, be equipped with on the casing with the screw hole of oilhole intercommunication, the periphery of plug member be equipped with screw hole complex screw thread.
As another embodiment of the application, a third oil nozzle facing the input gear tooth part is further connected to the oil outlet of the lubricating assembly.
In another embodiment of the present application, the first output gear is located below the input gear, and the third fuel injection nozzle is located above the input gear and injects fuel downward.
As another embodiment of this application, the oil inlet with the bottom intercommunication in second grade chamber, first fuel sprayer with the second fuel sprayer is located the one-level intracavity, be equipped with the intercommunication on the partition piece the one-level chamber bottom with the overflow mouth of second grade chamber bottom, the position of overflow mouth is higher than the minimum tooth portion of first output gear.
As another embodiment of the application, an oil injection nozzle communicated with the rotating connection position of the input gear rotating shaft and the shell is arranged outside the shell.
As another embodiment of the present application, the second gear output assembly includes:
the middle bevel gear is positioned at the lower part of the secondary cavity so that the tooth part of the middle bevel gear is immersed in lubricating oil at the bottom of the secondary cavity and coaxially connected with the first output gear;
and the second output bevel gear is positioned at the lower part of the secondary cavity so that a tooth part of the second output bevel gear is immersed in lubricating oil at the bottom of the secondary cavity, the second output bevel gear is meshed with the middle bevel gear, a rotating shaft of the second output bevel gear is vertical to a rotating shaft of the middle bevel gear, and two ends of the rotating shaft of the second output bevel gear are respectively connected with the second output shaft.
The embodiment of the utility model provides a beneficial effect of pipe mill speed-dividing box lies in: compared with the prior art, the utility model discloses pipe mill speed-dividing box is located through first output gear the lower part in one-level chamber is so that first output gear's tooth portion immerses in the lubricating oil of one-level chamber bottom for first output gear's tooth portion can obtain the cooling, first output gear pivot can be lubricated to the lubricating oil of first output gear sputtering simultaneously with separate the rotation junction of disconnected piece. The first oil nozzle of the lubricating assembly can lubricate and cool the rotating connection position of the input gear rotating shaft and the partition piece, and the second oil nozzle of the lubricating assembly can lubricate and cool the rotating connection position of the first output gear rotating shaft and the partition piece. Under the condition that the rotating speed of the first output gear is high, more lubricating oil is sputtered by the first output gear, so that the rotating joint of the rotating shaft of the first output gear and the partition part can be lubricated and cooled, at the moment, the flow of the second oil nozzle can be reduced through the flow regulating structure, most of the lubricating oil at the outlet of the lubricating assembly flows to the first oil nozzle, and the lubrication and cooling of the rotating joint of the rotating shaft of the input gear and the partition part are enhanced; under the condition that the rotating speed of the first output gear is low, the amount of lubricating oil sputtered by the first output gear is small, the lubricating and cooling requirements of the rotating joint of the first output gear rotating shaft and the partition part are difficult to meet, at the moment, the flow of the second oil nozzle can be increased through the flow adjusting structure, and the lubricating and cooling of the rotating joint of the first output gear rotating shaft and the partition part are enhanced. By the aid of the mode, local overheating of the speed-dividing box of the pipe mill is avoided, a better cooling effect is achieved, and the service life of the speed-dividing box of the pipe mill is prolonged.
The utility model discloses an another technical scheme be, provide a pipe mill, include: the pipe mill speed-dividing box of any one of the above.
The embodiment of the utility model provides a pipe mill's beneficial effect lies in: compared with the prior art, the utility model discloses pipe mill adopt above arbitrary pipe mill speed-dividing box, beneficial effect is the same with the beneficial effect of above-mentioned pipe mill speed-dividing box, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a sectional view of a main view direction of a speed-dividing box of a pipe mill according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a side view of the mill's speed-splitting box of FIG. 1.
Wherein, in the figures, the respective reference numerals:
1-a shell; 11-an oil injection nozzle; 12-a primary cavity; 13-a secondary cavity; 2-a spacer; 21-an overflow port; 3-an input gear; 31-an input shaft; 4-a first output gear; 41-a first output shaft; 5-a second gear output assembly; 51-an intermediate bevel gear; 52-a second output bevel gear; 53-a second output shaft; 6-lubricating the component; 61-a first fuel injector; 62-a second fuel injector; 63-oil hole; 631-a threaded hole; 64-a flow regulating structure; 641-plug; 65-third oil jet.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a description will now be given of a speed-dividing box of a pipe rolling mill according to an embodiment of the present invention. A pipe mill speed-splitting box comprising: the gear lubricating device comprises a shell 1, an input gear 3, a first output gear 4, a second gear output assembly 5 and a lubricating assembly 6.
The inside separating piece 2 that is equipped with of casing 1 separates the inner chamber of casing 1 for one-level chamber 12 and second grade chamber 13, and the bottom in one-level chamber 12 and second grade chamber 13 is used for storing lubricating oil.
The input gear 3 is located in the primary cavity 12, two ends of the rotating shaft are respectively connected with the shell 1 and the partition part 2 in a rotating mode, and one end of the rotating shaft is connected with the input shaft 31.
The first output gear 4 is positioned at the lower part of the primary cavity 12 so that the tooth part of the first output gear 4 is immersed in the lubricating oil at the bottom of the primary cavity 12, the first output gear 4 is meshed with the input gear 3, two ends of a rotating shaft of the first output gear 4 are respectively and rotatably connected with the shell 1 and the partition part 2, and one end of the rotating shaft of the first output gear 4 is also connected with a first output shaft 41 parallel to the input shaft 31.
The second gear output assembly 5 is located in the secondary chamber 13, is connected to the rotational axis of the first output gear 4, and has a second output shaft 53 perpendicular to the first output shaft 41.
An oil inlet of the lubricating component 6 is communicated with the bottom of the inner cavity of the shell 1, and an oil outlet is connected with a first oil nozzle 61 facing the rotating connection position of the rotating shaft of the input gear 3 and the partition part 2; the oil outlet is also connected with a second oil nozzle 62 facing the rotary joint of the first output gear 4 rotary shaft and the partition 2 through a flow adjusting structure 64.
Compared with the prior art, the utility model discloses pipe mill speed-dividing box is located the lower part in one-level chamber 12 so that the tooth portion of first output gear 4 immerses in the lubricating oil of one-level chamber 12 bottom through first output gear 4 for the tooth portion of first output gear 4 can obtain the cooling, and the rotation junction of first output gear 4 pivot and wall 2 can be lubricated to the lubricating oil of first output gear 4 sputtering simultaneously. The first oil nozzle 61 of the lubricating assembly 6 can lubricate and cool the rotating joint of the rotating shaft of the input gear 3 and the partition part 2, and the second oil nozzle 62 of the lubricating assembly 6 can lubricate and cool the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2. Under the condition that the rotating speed of the first output gear 4 is high, more lubricating oil is sputtered by the first output gear 4, and the lubricating oil is enough to lubricate and cool the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2, at the moment, the flow of the second oil nozzle 62 can be reduced through the flow regulating structure 64, so that most of the lubricating oil at the outlet of the lubricating assembly 6 flows to the first oil nozzle 61, and the lubrication and cooling of the rotating joint of the rotating shaft of the input gear 3 and the partition part 2 are enhanced; under the condition that the rotating speed of the first output gear 4 is low, the lubricating oil sputtered by the first output gear 4 is less, and the lubricating and cooling requirements of the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2 are difficult to meet, at the moment, the flow of the second oil nozzle 62 can be increased through the flow adjusting structure 64, and the lubricating and cooling of the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2 are enhanced. By the aid of the mode, local overheating of the speed-dividing box of the pipe mill is avoided, a better cooling effect is achieved, and the service life of the speed-dividing box of the pipe mill is prolonged.
In this embodiment, the housing 1 may be a rectangular housing 1, which is formed by connecting the upper, middle and lower three parts by bolts. And sealant is coated between the upper, middle and lower three parts of the shell 1, so that the shell 1 is sealed. The lower portion of the housing 1 is formed in an integrally formed groove shape recessed downward for storing lubricant. The partition 2 partitions an inner cavity of a lower portion of the housing 1 such that the inner cavity of the lower portion of the housing 1 forms a primary chamber 12 and a secondary chamber 13, respectively. The partition member 2 may be a vertical flat plate member, and the partition member 2 may be provided with reinforcing ribs. The partition 2 may be a one-piece structure or may be composed of three parts, i.e., an upper part, a middle part and a lower part. The upper, middle and lower parts of the partition member 2 are respectively fixed in the upper, middle and lower parts of the shell 1, and after the upper, middle and lower parts of the shell 1 are assembled, the upper, middle and lower parts of the partition member 2 are just assembled into the complete partition member 2.
The input gear 3 and the first output gear 4 are straight gears with horizontal axes, and the input gear 3 is positioned above the first output gear 4. Two ends of the rotating shafts of the input gear 3 and the first output gear 4 are respectively and rotatably connected with the shell 1 and the partition part 2 through bearings, so that the input gear 3 is meshed with the first output gear 4. The input shaft 31 is located outside the housing 1 and coaxially connected to one end of the rotating shaft of the input gear 3 for connecting with a driving motor. The first output shaft 41 is located outside the housing 1 and coaxially connected to one end of the rotating shaft of the first output gear 4 for connection with the roll.
The second gear output assembly 5 may be comprised of intermeshing bevel gears disposed in the secondary chamber 13, one of the bevel gears being coaxially connected to the rotational axis of the first output gear 4, and the other bevel gear having a second output shaft 53 coaxially connected to the rotational axis of the other bevel gear, the second output shaft 53 being located outside the housing 1 such that it is perpendicular to the first output shaft 41. The second output shaft 53 is used for connection with the rolls.
The lubricating component 6 can be an oil pump, one end of the pump inlet of the oil pump is connected with a bottom oil suction pipe extending into the inner cavity of the shell 1 to form an oil inlet, and a filter screen can be arranged on the oil inlet. The pump outlet of oil pump is the oil-out, and first oil nozzle 61 and second oil nozzle 62 are located one-level chamber 12 respectively, and the oil-out communicates with first oil nozzle 61 and second oil nozzle 62 respectively through the pipeline. A flow regulating structure 64 is provided between the pump outlet of the oil pump and the second oil jet 62 for regulating the flow of the second oil jet 62. The flow regulating structure 64 is arranged outside the shell 1, and is convenient to regulate.
Referring to fig. 1 and 3, as a specific implementation manner of the speed-dividing box of the pipe mill provided by the present invention, the rotation joint of the first output gear 4 and the partition 2 is located below the rotation joint of the input gear 3 and the partition 2, and the first oil nozzle 61 is located above the rotation joint of the input gear 3 and the partition 2 and injects downward. With the arrangement, after lubricating oil sprayed by the first oil nozzle 61 lubricates and cools the rotary joint of the input gear 3 and the partition member 2, the lubricating oil can flow downwards to the rotary joint of the rotating shaft of the first output gear 4 and the partition member 2, and the rotary joint of the rotating shaft of the first output gear 4 and the partition member 2 is continuously lubricated and cooled.
In this embodiment, the rotational joint of the rotating shaft of the first output gear 4 and the partition 2 is located right below the rotational joint of the rotating shaft of the input gear 3 and the partition 2, and the first oil nozzle 61 is located right above the rotational joint of the rotating shaft of the input gear 3 and the partition 2 and injects oil directly below. The rotary connection position of the input gear 3 and the partition part 2 can be a bearing position between the rotary shaft of the input gear 3 and the partition part 2. The rotary connection position of the rotating shaft of the first output gear 4 and the partition member 2 may be a bearing position between the rotating shaft of the first output gear 4 and the partition member 2.
Referring to fig. 1 and 2, as a specific embodiment of the speed-dividing box of the pipe rolling mill provided by the present invention, the oil outlet is communicated with the second oil nozzle 62 through the oil hole 63 formed in the housing 1, and the flow-regulating structure 64 is a plug 641 formed on the side wall of the housing 1 and used for blocking the oil hole 63.
In this embodiment, the oil outlet of the lubricating assembly 6 is communicated with the main pipeline, the main pipeline is divided into two branch pipelines, one branch pipeline extends into the primary cavity 12 and is communicated with the first oil nozzle 61, and the other branch pipeline is communicated with the oil hole 63 on the housing 1. One end of the oil hole 63 in the housing 1 is connected with a pipeline which extends into the primary cavity 12 from the secondary cavity 13 and is communicated with the second oil nozzle 62. A plug hole communicating with the oil hole 63 is provided on a side wall of the housing 1, and a plug 641 plugs the oil hole 63 from the plug hole, and the flow rate of the second fuel injection nozzle 62 is adjusted by controlling the amount of plugging the plug 641 into the oil hole 63.
Referring to fig. 2, as a specific embodiment of the speed-dividing box of the pipe rolling mill of the present invention, a threaded hole 631 communicating with the oil hole 63 is formed in the housing 1, and a thread engaged with the threaded hole 631 is formed on the outer periphery of the stopper 641.
In this embodiment, the plug 641 may be a plug screw, and a screw hole 631 communicating with the oil hole 63 is provided on the outer side of the housing 1, and the oil hole 63 is blocked by screwing the plug screw into the screw hole 631.
Referring to fig. 1, as a specific implementation manner of the speed-dividing box of the pipe rolling mill provided by the present invention, the oil outlet of the lubricating assembly 6 is further connected to a third oil nozzle 65 facing the tooth portion of the input gear 3. The lubricating oil ejected from the third oil jet 65 can lubricate and cool the tooth portions of the input gear 3.
In this embodiment, the third oil nozzle 65 is located in the primary cavity 12, and an oil outlet of the lubricating assembly 6 is communicated with the third oil nozzle 65 through a pipeline.
Referring to fig. 1 and 3, as a specific embodiment of the speed-dividing box of the pipe mill of the present invention, the first output gear 4 is located below the input gear 3, and the third oil jet 65 is located above the input gear 3 and injects downward. The lubricating oil discharged from the third oil jet 65 lubricates and cools the tooth portion of the input gear 3, and then flows down onto the first output gear 4, thereby continuing to lubricate and cool the first output gear 4.
In the present embodiment, the first output gear 4 is located directly below the input gear 3, and the third fuel injection nozzle 65 is located directly above the input gear 3 and injects fuel directly below.
Referring to fig. 1, as a specific implementation manner of the speed-dividing box of the pipe rolling mill provided by the present invention, the oil inlet is communicated with the bottom of the secondary cavity 13, the first oil nozzle 61 and the second oil nozzle 62 are located in the primary cavity 12, the partition 2 is provided with the overflow port 21 communicating the bottom of the primary cavity 12 and the bottom of the secondary cavity 13, and the position of the overflow port 21 is higher than the lowest tooth portion of the first output gear 4. By adopting the structure, the lubricating oil at the bottom of the secondary cavity 13 is sent into the primary cavity 12 by the lubricating component 6 through the first oil nozzle 61 and the second oil nozzle 62, the lubricating oil lubricates and cools the input gear 3 and the first output gear 4, falls into the bottom of the primary cavity 12, and flows back to the bottom of the secondary cavity 13 from the overflow port 21 to form circulation. The position of the overflow port 21 is higher than the lowest tooth part of the first output gear 4, so that the lowest tooth part of the first output gear 4 can be immersed in the lubricating oil at the bottom of the primary cavity 12. The level of the lubricating oil in the primary chamber 12 can be controlled by controlling the position of the overflow port 21, thereby controlling the depth of the tooth portion of the first output gear 4 submerged in the lubricating oil.
In this embodiment, the position of the overflow port 21 may be lower than the transmission connection position of the rotating shaft of the first output gear 4 and the partition member 2, so as to avoid the increase of resistance caused by the soaking of the bearing at the transmission connection position of the rotating shaft of the first output gear 4 and the partition member 2 in the lubricating oil.
Referring to fig. 1, as a specific embodiment of the speed-dividing box of the pipe rolling mill of the present invention, an oil nozzle 11 communicated with a rotation joint of the input gear 3 and the housing 1 is disposed outside the housing 1. With this structure, lubricating oil can be supplied to the rotational connection between the rotational shaft of the input gear 3 and the housing 1 through the oil nozzle 11.
In this embodiment, the input gear 3 is rotatably connected to the housing 1 through a bearing, and an oil nozzle 11 is provided on an end cap of the bearing. The shell 1 can be also provided with an oil nozzle 11 communicated with the rotary joint of the first output gear 4 and the shell 1. The first output gear 4 is rotatably connected with the housing 1 through a bearing, and an oil nozzle 11 is arranged on an end cover of the bearing.
Referring to fig. 1 and 3, as a specific embodiment of the speed-dividing box of the pipe mill of the present invention, the second gear output assembly 5 includes an intermediate bevel gear 51 and a second output bevel gear 52.
The intermediate bevel gear 51 is located at the lower portion of the secondary chamber 13 such that the tooth portion of the intermediate bevel gear 51 is immersed in the lubricating oil at the bottom of the secondary chamber 13, coaxially connected to the first output gear 4.
The second output bevel gear 52 is located at the lower part of the secondary chamber 13 such that the tooth portion of the second output bevel gear 52 is immersed in the lubricating oil at the bottom of the secondary chamber 13, the second output bevel gear 52 is engaged with the intermediate bevel gear 51 and the rotating shaft thereof is perpendicular to the rotating shaft of the intermediate bevel gear 51, and the second output shafts 53 are connected to both ends of the rotating shaft of the second output bevel gear 52, respectively. The second output shaft 53 is made perpendicular to the first output shaft 41 by the engagement of the intermediate bevel gear 51 with the second output bevel gear 52. And both the intermediate bevel gear 51 and the second output bevel gear 52 can be lubricated and cooled by the intermediate bevel gear 51 being located at the lower portion of the secondary chamber 13 so that the toothed portion of the intermediate bevel gear 51 is immersed in the lubricating oil at the bottom of the secondary chamber 13, and the second output bevel gear 52 being located at the lower portion of the secondary chamber 13 so that the toothed portion of the second output bevel gear 52 is immersed in the lubricating oil at the bottom of the secondary chamber 13.
In this embodiment, the first output gear 4 is located at a lower portion of the primary chamber 12, one end of a rotating shaft of the first output gear 4 is rotatably connected to and penetrates through the partition member to protrude into the secondary chamber 13, and an intermediate bevel gear 51 is coaxially provided on the end of the rotating shaft of the first output gear 4. The rotational axis of the second output bevel gear 52 is horizontal and perpendicular to the rotational axis of the intermediate bevel gear 51. Two ends of the rotating shaft of the second output bevel gear 52 are respectively and rotatably connected with the shell 1 through bearings, and two second output shafts 53 are respectively and coaxially arranged at two ends of the rotating shaft of the second output bevel gear 52. The bearing end covers at both ends of the rotating shaft of the second output bevel gear 52 can be provided with oil nozzles 11.
Referring to fig. 1 to 3, an embodiment of the present invention further provides a pipe rolling mill, including: the pipe mill speed-dividing box of any one of the above.
Compared with the prior art, the utility model discloses pipe mill through the pipe mill speed-dividing box that adopts above arbitrary one, is located the lower part in one-level chamber 12 through first output gear 4 so that the tooth portion of first output gear 4 immerses in the lubricating oil of one-level chamber 12 bottom for the tooth portion of first output gear 4 can obtain the cooling, and the rotation junction of first output gear 4 pivot and wall 2 can be lubricated to the lubricating oil of first output gear 4 sputtering simultaneously. The first oil nozzle 61 of the lubricating assembly 6 can lubricate and cool the rotating joint of the rotating shaft of the input gear 3 and the partition part 2, and the second oil nozzle 62 of the lubricating assembly 6 can lubricate and cool the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2. Under the condition that the rotating speed of the first output gear 4 is high, more lubricating oil is sputtered by the first output gear 4, and the lubricating oil is enough to lubricate and cool the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2, at the moment, the flow of the second oil nozzle 62 can be reduced through the flow regulating structure 64, so that most of the lubricating oil at the outlet of the lubricating assembly 6 flows to the first oil nozzle 61, and the lubrication and cooling of the rotating joint of the rotating shaft of the input gear 3 and the partition part 2 are enhanced; under the condition that the rotating speed of the first output gear 4 is low, the lubricating oil sputtered by the first output gear 4 is less, and the lubricating and cooling requirements of the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2 are difficult to meet, at the moment, the flow of the second oil nozzle 62 can be increased through the flow adjusting structure 64, and the lubricating and cooling of the rotating joint of the rotating shaft of the first output gear 4 and the partition part 2 are enhanced. By the aid of the mode, local overheating of the speed-dividing box of the pipe mill is avoided, a better cooling effect is achieved, and the service life of the speed-dividing box of the pipe mill is prolonged.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Pipe mill speed-dividing box, its characterized in that includes:
the lubricating oil storage device comprises a shell, a first-stage cavity and a second-stage cavity, wherein a partition part is arranged in the shell, the partition part divides an inner cavity of the shell into the first-stage cavity and the second-stage cavity, and the bottoms of the first-stage cavity and the second-stage cavity are used for storing lubricating oil;
the input gear is positioned in the primary cavity, two ends of the rotating shaft are respectively and rotatably connected with the shell and the partition piece, and one end of the rotating shaft is connected with the input shaft;
the first output gear is positioned at the lower part of the primary cavity so that a tooth part of the first output gear is immersed in lubricating oil at the bottom of the primary cavity, the first output gear is meshed with the input gear, two ends of a rotating shaft of the first output gear are respectively and rotatably connected with the shell and the partition piece, and one end of the rotating shaft of the first output gear is also connected with a first output shaft parallel to the input shaft;
the second gear output assembly is positioned in the secondary cavity, is connected with the rotating shaft of the first output gear and is provided with a second output shaft vertical to the first output shaft; and
the oil inlet of the lubricating assembly is communicated with the bottom of the inner cavity of the shell, and the oil outlet of the lubricating assembly is connected with a first oil nozzle facing the rotary connection position of the input gear rotating shaft and the partition part; the oil outlet is further connected with a second oil nozzle facing the rotating connection position of the first output gear rotating shaft and the partition piece through a flow adjusting structure.
2. The tube mill speed-division box of claim 1, wherein the rotational connection of said first output gear shaft to said partition is located below the rotational connection of said input gear shaft to said partition, and said first oil jet is located above the rotational connection of said input gear shaft to said partition and jets downwardly.
3. The tube mill speed-division box according to claim 1, wherein the oil outlet port communicates with the second oil jet through an oil hole provided in the housing, and the flow-regulating structure is a plug provided in the side wall of the housing for blocking the oil hole.
4. The differential case of the pipe mill according to claim 3, wherein the housing is provided with a threaded hole communicating with the oil hole, and the plug member is provided at an outer periphery thereof with a thread engaged with the threaded hole.
5. The tube mill speed-division box of claim 1, wherein a third oil jet is further connected to the oil outlet of the lubrication assembly toward the input gear teeth.
6. The tube mill speed differential case of claim 5, wherein the first output gear is located below the input gear and the third oil jet is located above the input gear and jets downwardly.
7. The pipe mill speed-dividing box according to any one of claims 1 to 6, wherein the oil inlet communicates with the bottom of the secondary chamber, the first oil jet and the second oil jet are located in the primary chamber, the partition is provided with an overflow port communicating the bottom of the primary chamber and the bottom of the secondary chamber, and the overflow port is located higher than the lowest tooth portion of the first output gear.
8. The differential case of the pipe mill according to any one of claims 1 to 6, wherein said housing is externally provided with an oil nipple communicating with a rotational junction of said input gear shaft and said housing.
9. The tube mill speed reduction box according to any of the claims 1 to 6, wherein the second gear output assembly comprises:
the middle bevel gear is positioned at the lower part of the secondary cavity so that the tooth part of the middle bevel gear is immersed in lubricating oil at the bottom of the secondary cavity and coaxially connected with the first output gear;
and the second output bevel gear is positioned at the lower part of the secondary cavity so that a tooth part of the second output bevel gear is immersed in lubricating oil at the bottom of the secondary cavity, the second output bevel gear is meshed with the middle bevel gear, a rotating shaft of the second output bevel gear is vertical to a rotating shaft of the middle bevel gear, and two ends of the rotating shaft of the second output bevel gear are respectively connected with the second output shaft.
10. A pipe mill, comprising: the tube mill speed-dividing box of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027975.4U CN211449525U (en) | 2020-01-07 | 2020-01-07 | Pipe mill speed-dividing box and pipe mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027975.4U CN211449525U (en) | 2020-01-07 | 2020-01-07 | Pipe mill speed-dividing box and pipe mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449525U true CN211449525U (en) | 2020-09-08 |
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| CN202020027975.4U Active CN211449525U (en) | 2020-01-07 | 2020-01-07 | Pipe mill speed-dividing box and pipe mill |
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| CN (1) | CN211449525U (en) |
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