CN105370866A - Vertically mounted speed reducer - Google Patents

Vertically mounted speed reducer Download PDF

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Publication number
CN105370866A
CN105370866A CN201510923752.XA CN201510923752A CN105370866A CN 105370866 A CN105370866 A CN 105370866A CN 201510923752 A CN201510923752 A CN 201510923752A CN 105370866 A CN105370866 A CN 105370866A
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CN
China
Prior art keywords
seal ring
speed reducer
output shaft
grease pocket
annular
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Granted
Application number
CN201510923752.XA
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Chinese (zh)
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CN105370866B (en
Inventor
胡炜
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Ward Drive (tianjin) Ltd By Share Ltd
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Ward Drive (tianjin) Ltd By Share Ltd
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Priority to CN201510923752.XA priority Critical patent/CN105370866B/en
Publication of CN105370866A publication Critical patent/CN105370866A/en
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Publication of CN105370866B publication Critical patent/CN105370866B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/029Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Abstract

The invention provides a vertically mounted speed reducer which comprises a speed reducer box body, an output shaft arranged at an output end of the speed reducer box body, a bearing arranged at the end part of the output shaft in a sleeving manner, a sealing ring defining a lubricating oil cavity and separating the lubricating oil cavity from a lubricating grease cavity, an oil retaining disk arranged on the output shaft in a sleeving manner, and a first V-shaped sealing circle positioned between the sealing ring and the oil retaining disk, wherein the sealing ring is arranged on the speed reducer box body; the bearing is positioned in the lubricating grease cavity; the oil retaining disk is positioned at one end, far away from the lubricating grease cavity, of the sealing ring; an annular limitation groove is formed in the end face, far away from one end of the lubricating grease cavity, of the sealing ring; the first V-shaped sealing circle is arranged in the annular limitation groove; and a notch of the first V-shaped sealing circle faces towards the lubricating oil cavity. According to the vertically mounted speed reducer, through the matching of the oil retaining disk with the first V-shaped sealing circle, effective separation between lubricating oil and lubricating grease of the output shaft of the vertically mounted speed reducer can be realized, and the working reliability of the vertically mounted speed reducer is improved.

Description

One vertically installs speed reducer
Technical field
The present invention relates to speed reducer technical field, more particularly, relate to one and vertically speed reducer is installed.
Background technique
Vertical installation speed reducer is in actual application, except output shaft place bearing adopts grease lubrication (dry oil lubrication), gear in gear-box and other grade of bearing all adopt oil lubrication (wet oil lubrication), therefore need the lubricating grease at speed reducer output shaft bearing place and lubricant oil to isolate, enter lubricating grease to prevent lubricant oil and cause grease to mix.
The main isolation adopting O type circle and dry well to realize lubricant oil and lubricating grease at present.But because O type circle is rubber material, in box body of speed reducer, temperature is higher, prolonged application more easily causes O type circle to damage, and causes grease to mix, even occurs the risk of leakage of oil, have impact on the functional reliability of speed reducer.
In sum, how realizing vertically installing the lubricant oil of speed reducer output shaft and effective isolation of lubricating grease, to improve the functional reliability of speed reducer, is current those skilled in the art technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide one vertically speed reducer to be installed, to realize vertically installing the lubricant oil of speed reducer output shaft and effective isolation of lubricating grease, and then improve the functional reliability of speed reducer.
In order to achieve the above object, the invention provides following technological scheme:
One vertically installs speed reducer, comprise box body of speed reducer, be arranged on the output shaft of described box body of speed reducer output terminal, be set in the bearing of described output shaft end, surround lubricant reservoir and the seal ring described lubricant reservoir and grease pocket separated, described seal ring is arranged on described box body of speed reducer, and described bearing is positioned at described grease pocket; Also comprise:
Be set in the oil baffle disc on described output shaft, described oil baffle disc is positioned at described seal ring one end away from described grease pocket;
The first V-shaped seal ring between described seal ring and described oil baffle disc, the end face of described seal ring away from described grease pocket one end is provided with annular spacing groove, and described first V-shaped seal ring is arranged in described annular spacing groove and the notch direction of described first V-shaped seal ring towards described lubricant reservoir.
Preferably, in above-mentioned vertical installation speed reducer, described oil baffle disc has and is coated at described seal ring and stops limit away from the annular of the outer circumferential face of described grease pocket one end, and described annular stops that the axis of output shaft described in edge extends and inner circumferential surface has the mechanical sealed groove of multiple annular.
Preferably, in above-mentioned vertical installation speed reducer, described seal ring also has away from the outer circumferential face of described grease pocket one end the annular protrusion protruding from described annular and stop limit, and described annular protrusion extends along the radial direction of described output shaft.
Preferably, in above-mentioned vertical installation speed reducer, described first V-shaped seal ring is two.
Preferably, above-mentioned vertical installation speed reducer also comprises:
Be arranged on the friction disk of described seal ring on the end face of described grease pocket one end;
Be set in second V-shaped seal ring at the shaft shoulder place, location of described output shaft, described second V-shaped seal ring and described friction disk are sealed and matched, and the notch direction of described second V-shaped seal ring is towards described grease pocket.
Preferably, above-mentioned vertical installation speed reducer also comprises and is arranged on the outside framework oil seal of described grease pocket away from described lubricant reservoir one end, and described outside framework oil seal is arranged on the end cap of described output shaft, and the notch of described outside framework oil seal is towards described grease pocket.
Preferably, in above-mentioned vertical installation speed reducer, described seal ring comprises:
Along axially extended first seal ring of described output shaft;
Be arranged on second seal ring of described first seal ring near described grease pocket one end, described second seal ring is arranged on described box body of speed reducer;
Be arranged on three seal ring of described first seal ring away from described grease pocket one end, described first seal ring, described second seal ring and described 3rd seal ring are weldingly connected.
As can be seen from above-mentioned technological scheme, vertical installation speed reducer provided by the invention comprises box body of speed reducer, be arranged on the output shaft of box body of speed reducer output terminal, be set in the bearing of output shaft end, surround lubricant reservoir and seal ring lubricant reservoir and grease pocket separated, sealing ring is arranged on box body of speed reducer, and bearing is positioned at grease pocket; Vertical installation speed reducer also comprises oil baffle disc and the first V-shaped seal ring, and wherein, oil baffle disc is set on output shaft, and this oil baffle disc is positioned at seal ring one end away from grease pocket; First V-shaped seal ring, between seal ring and oil baffle disc, the end face of seal ring away from grease pocket one end is provided with annular spacing groove, and the first V-shaped seal ring is arranged in annular spacing groove and the notch direction of the first V-shaped seal ring towards lubricant reservoir.
The present invention utilizes oil baffle disc and the first V-shaped seal ring to coordinate and seals lubricant reservoir one end away from grease pocket, oil baffle disc can rotate together along with output shaft, first V-shaped seal ring maintains static, now the first V-shaped seal ring is relative with between oil baffle disc rotates Relative friction simultaneously, thus achieve the motive sealing of lubricant reservoir away from grease pocket one end, can prevent the lubricant oil in speed reducer operation process in lubricant reservoir from entering grease pocket by the gap between output shaft and seal ring.
Due to the lip of the first V-shaped seal ring can seal certain in pressure, the lip of the first V-shaped seal ring has " self-styled " to act on simultaneously, so when temperature in box body of speed reducer raises, procheilon changes contact shape and enlarged contact stress, lip and oil baffle disc are fitted tightr, realize seal action.The present invention is simultaneously protected the first V-shaped seal ring by oil baffle disc, avoids the first V-shaped seal ring directly to contact with box body of speed reducer, reduces the impact of temperature on the first V-shaped seal ring.
In sum, vertical installation speed reducer of the present invention utilizes the cooperation of oil baffle disc and the first V-shaped seal ring, can realize vertically installing the lubricant oil of speed reducer output shaft and effective isolation of lubricating grease, and then improves the functional reliability of speed reducer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the vertical installation speed reducer that the embodiment of the present invention provides;
Fig. 2 is the partial enlargement structural drawing of A in Fig. 1;
Fig. 3 is the partial enlargement structural drawing of B in Fig. 1;
Fig. 4 is the partial enlargement structural drawing of C in Fig. 1.
Embodiment
Embodiments provide one and vertically speed reducer is installed, achieve and vertically the lubricant oil of speed reducer output shaft and effective isolation of lubricating grease are installed, and then improve the functional reliability of speed reducer.
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to accompanying drawing 1-4, the vertical installation speed reducer that the embodiment of the present invention provides comprises box body of speed reducer 12, be arranged on the output shaft 3 of box body of speed reducer 12 output terminal, be set in the bearing 1 of output shaft 3 end, surround lubricant reservoir 4 and the seal ring 5 lubricant reservoir 4 and grease pocket 2 separated, sealing ring 5 is arranged on box body of speed reducer 12, and bearing 1 is positioned at grease pocket 2; Vertical installation speed reducer also comprises oil baffle disc 6 and the first V-shaped seal ring 7, and wherein, oil baffle disc 6 is set on output shaft 3, and this oil baffle disc 6 is positioned at seal ring 5 one end away from grease pocket 2; First V-shaped seal ring 7 is between seal ring 5 and oil baffle disc 6, the end face of seal ring 5 away from grease pocket 2 one end is provided with annular spacing groove, and the first V-shaped seal ring 7 is arranged in annular spacing groove and the notch direction of the first V-shaped seal ring 7 towards lubricant reservoir 4.
The present invention utilizes oil baffle disc 6 and the first V-shaped seal ring 7 to coordinate and seals lubricant reservoir 4 one end away from grease pocket 2, oil baffle disc 6 can rotate together along with output shaft 3, first V-shaped seal ring 7 maintains static, now the first V-shaped seal ring 7 is relative with between oil baffle disc 6 rotates Relative friction simultaneously, thus achieve the motive sealing of lubricant reservoir 4 away from grease pocket 2 one end, can prevent the lubricant oil in speed reducer operation process in lubricant reservoir 4 from entering grease pocket 2 by the gap between output shaft 3 and seal ring 5.
Due to the lip of the first V-shaped seal ring 7 can seal certain in pressure, the lip of the first V-shaped seal ring 7 has " self-styled " to act on simultaneously, so when temperature in box body of speed reducer 12 raises, procheilon changes contact shape and enlarged contact stress, lip and oil baffle disc 6 are fitted tightr, realize seal action.The present invention is simultaneously protected the first V-shaped seal ring 7 by oil baffle disc, avoids the first V-shaped seal ring 7 directly to contact with box body of speed reducer 12, reduces the impact of temperature on the first V-shaped seal ring 7.
In sum, vertical installation speed reducer of the present invention utilizes the cooperation of oil baffle disc 6 and the first V-shaped seal ring 7, can realize vertically installing the lubricant oil of speed reducer output shaft 3 and effective isolation of lubricating grease, and then improve the functional reliability of speed reducer.
Preferably, in the vertical installation speed reducer that above-described embodiment provides, oil baffle disc 6 has and is coated at seal ring 5 and stops limit away from the annular of the outer circumferential face of grease pocket 2 one end, and annular stops that the axis of edge output shaft 3 extends and inner circumferential surface has the mechanical sealed groove of multiple annular.As shown in Figure 2, the present invention utilize annular to stop annular machinery sealed groove and the seal ring 5 on limit coordinate away from the outer circumferential face of grease pocket 2 one end forms labyrinth seal structure, improve sealing effect.Certainly, oil baffle disc 6 also can not arrange above-mentioned annular and stop limit, and the mechanical seal structure only utilizing the first V-shaped seal ring 7 and oil baffle disc 6 to be formed reaches same sealing effect.
In above-described embodiment, seal ring 5 also has away from the outer circumferential face of grease pocket 2 one end the annular protrusion protruding from annular and stop limit, and annular protrusion extends along the radial direction of output shaft 3.The present invention utilize annular protrusion and annular stops gap between limit and annular stop limit and seal ring 5 away from grease pocket 2 one end outer circumferential face between gap jointly form labyrinth seal structure, increase labyrinth distance, further increase sealing effect.The present invention also can not arrange above-mentioned annular protrusion or not arrange the mechanical sealed groove of above-mentioned annular.
In order to be convenient to assembling while reaching better sealing effect, the first V-shaped seal ring 7 is preferably two.Certainly, according to practical application request, this first V-shaped seal ring 7 also can be one or three etc.
In the present invention one specific embodiment, speed reducer is vertically installed and also comprises and be arranged on the friction disk 9 of seal ring 5 on the end face of grease pocket 2 one end; The second V-shaped seal ring 8, second V-shaped seal ring 8 being set in the shaft shoulder place, location of output shaft 3 is sealed and matched with friction disk 9, and the notch direction of the second V-shaped seal ring 8 is towards grease pocket 2.As shown in Figure 3, concrete, in order to avoid the impact on grease pocket 2 space, the inner ring of seal ring 5 near grease pocket 2 one end offers annular mounting groove, and friction disk 9 is fixedly bolted in annular mounting groove.
The present invention is sealed and matched by the second V-shaped seal ring 8 and friction disk 9, can prevent the lubricating grease of grease pocket 2 from spilling in lubricant reservoir 4 under pressure (oiling equipment pressure during grease up) effect, thus respectively grease pocket 2 and lubricant reservoir 4 are sealed, realize the dual resisteance of lubricant oil and lubricating grease.
In order to optimize technique scheme further, what above-described embodiment provided also comprise is arranged on the outside framework oil seal 10 of grease pocket 2 away from lubricant reservoir 4 one end, outside framework oil seal 10 is arranged on the end cap 11 of output shaft 3, and the notch of outside framework oil seal 10 is towards grease pocket 2, as shown in Figure 4.Above-mentioned reinforced seal can to prevent in grease pocket 2 lubricating grease from the clearance leakage between end cap 11 and output shaft 3.The present invention utilizes being sealed and matched of the second V-shaped seal ring 8 and friction disk 9 and outside framework oil seal 10 seals the two ends of grease pocket 2 respectively, further increases the encapsulation of grease pocket 2.Because the lubricating grease revealed from end cap 11 can not enter in lubricant reservoir 4, so the present invention also can not arrange above-mentioned outside framework oil seal 10.
As shown in Figure 1, in concrete mode of execution, seal ring 5 comprises axially extended first seal ring 52 along output shaft 3; Being arranged on second seal ring 53, second seal ring 53 of the first seal ring 52 near grease pocket 2 one end is arranged on box body of speed reducer 12; Be arranged on the first seal ring 52 to be weldingly connected away from the 3rd seal ring 51, first seal ring 52, second seal ring 53 of grease pocket 2 one end and the 3rd seal ring 51.In the present embodiment, annular spacing groove is opened on the end face of the 3rd seal ring 51 away from grease pocket 2, and friction disk 9 is arranged on the second seal ring 53 on the end face of grease pocket 2.
Above-mentioned seal ring 5 is divided into three parts, is convenient to process the annular spacing groove that coordinates with the first V-shaped seal ring 7 and the annular mounting groove for installing friction disk 9.Certainly, the present invention also can adopt overall seal ring 5, and namely the first seal ring 52, second seal ring 53 and the 3rd seal ring 51 are integral type structure.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (7)

1. vertically speed reducer is installed for one kind, comprise box body of speed reducer (12), be arranged on the output shaft (3) of described box body of speed reducer (12) output terminal, be set in the bearing (1) of described output shaft (3) end, surround lubricant reservoir (4) and the seal ring (5) described lubricant reservoir (4) and grease pocket (2) separated, described seal ring (5) is arranged on described box body of speed reducer (12), and described bearing (1) is positioned at described grease pocket (2); It is characterized in that, also comprise:
Be set in the oil baffle disc (6) on described output shaft (3), described oil baffle disc (6) is positioned at described seal ring (5) one end away from described grease pocket (2);
Be positioned at the first V-shaped seal ring (7) between described seal ring (5) and described oil baffle disc (6), the end face of described seal ring (5) away from described grease pocket (2) one end is provided with annular spacing groove, and described first V-shaped seal ring (7) is arranged in described annular spacing groove and the notch direction of described first V-shaped seal ring (7) towards described lubricant reservoir (4).
2. vertical installation speed reducer according to claim 1, it is characterized in that, described oil baffle disc (6) has and is coated at described seal ring (5) and stops limit away from the annular of the outer circumferential face of described grease pocket (2) one end, and described annular stops that the axis of output shaft (3) described in edge extends and inner circumferential surface has the mechanical sealed groove of multiple annular.
3. vertical installation speed reducer according to claim 2, it is characterized in that, described seal ring (5) also has away from the outer circumferential face of described grease pocket (2) one end the annular protrusion protruding from described annular and stop limit, and described annular protrusion extends along the radial direction of described output shaft (3).
4. vertical installation speed reducer according to claim 1, is characterized in that, described first V-shaped seal ring (7) is two.
5. vertical installation speed reducer according to claim 1, is characterized in that, also comprise:
Be arranged on the friction disk (9) of described seal ring (5) on the end face of described grease pocket (2) one end;
Be set in second V-shaped seal ring (8) at the shaft shoulder place, location of described output shaft (3), described second V-shaped seal ring (8) and described friction disk (9) are sealed and matched, and the notch direction of described second V-shaped seal ring (8) is towards described grease pocket (2).
6. the vertical installation speed reducer according to any one of claim 1-5, it is characterized in that, also comprise and be arranged on the outside framework oil seal (10) of described grease pocket (2) away from described lubricant reservoir (4) one end, described outside framework oil seal (10) is arranged on the end cap (11) of described output shaft (3), and the notch of described outside framework oil seal (10) is towards described grease pocket (2).
7. vertical installation speed reducer according to claim 6, is characterized in that, described seal ring (5) comprising:
Along axially extended first seal ring (52) of described output shaft (3);
Be arranged on second seal ring (53) of described first seal ring (52) near described grease pocket (2) one end, described second seal ring (53) is arranged on described box body of speed reducer (12);
Be arranged on three seal ring (51) of described first seal ring (52) away from described grease pocket (2) one end, described first seal ring (52), described second seal ring (53) and described 3rd seal ring (51) are weldingly connected.
CN201510923752.XA 2015-12-11 2015-12-11 A kind of vertically-mounted reductor Active CN105370866B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510923752.XA CN105370866B (en) 2015-12-11 2015-12-11 A kind of vertically-mounted reductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510923752.XA CN105370866B (en) 2015-12-11 2015-12-11 A kind of vertically-mounted reductor

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CN105370866A true CN105370866A (en) 2016-03-02
CN105370866B CN105370866B (en) 2018-01-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594392A (en) * 2018-06-13 2019-12-20 江苏鑫晨光热技术有限公司 Damping structure of speed reducer
CN113357369A (en) * 2021-05-11 2021-09-07 中国船舶重工集团武汉船舶工业有限公司 Sealing structure of speed reducer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1346915A (en) * 2000-09-27 2002-05-01 株式会社小松制作所 Rotating device for building machinery
CN101832385A (en) * 2010-04-29 2010-09-15 胡炜 Lower output shaft seal device of vertical reducer and reducer with same
CN201705898U (en) * 2010-04-29 2011-01-12 沃德(天津)传动有限公司 Vertical type speed reducer lower output shaft sealing device and speed reducer with same
CN104633074A (en) * 2015-02-15 2015-05-20 李阳铭 Grease and oil dual-lubrication structure of gearbox
CN205298497U (en) * 2015-12-11 2016-06-08 沃德传动(天津)股份有限公司 Vertical installation speed reducer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1346915A (en) * 2000-09-27 2002-05-01 株式会社小松制作所 Rotating device for building machinery
CN101832385A (en) * 2010-04-29 2010-09-15 胡炜 Lower output shaft seal device of vertical reducer and reducer with same
CN201705898U (en) * 2010-04-29 2011-01-12 沃德(天津)传动有限公司 Vertical type speed reducer lower output shaft sealing device and speed reducer with same
CN104633074A (en) * 2015-02-15 2015-05-20 李阳铭 Grease and oil dual-lubrication structure of gearbox
CN205298497U (en) * 2015-12-11 2016-06-08 沃德传动(天津)股份有限公司 Vertical installation speed reducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594392A (en) * 2018-06-13 2019-12-20 江苏鑫晨光热技术有限公司 Damping structure of speed reducer
CN113357369A (en) * 2021-05-11 2021-09-07 中国船舶重工集团武汉船舶工业有限公司 Sealing structure of speed reducer
CN113357369B (en) * 2021-05-11 2024-05-28 中国船舶重工集团武汉船舶工业有限公司 Sealing structure of speed reducer

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Denomination of invention: Vertically mounted speed reducer

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