CN107654623B - Speed reducer and disassembly method of shaft assembly component of speed reducer - Google Patents
Speed reducer and disassembly method of shaft assembly component of speed reducer Download PDFInfo
- Publication number
- CN107654623B CN107654623B CN201710639202.4A CN201710639202A CN107654623B CN 107654623 B CN107654623 B CN 107654623B CN 201710639202 A CN201710639202 A CN 201710639202A CN 107654623 B CN107654623 B CN 107654623B
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- shaft assembly
- bearing
- assembly component
- reducer shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to the technical field of transmission equipment, and particularly relates to a speed reducer and a disassembly method of a shaft assembly component of the speed reducer. The speed reducer comprises a speed reducer shell, a shaft assembly component, a bearing sleeve and a bearing gland, wherein the first end of the shaft assembly component is arranged in the speed reducer shell, the bearing gland is arranged on the outer surface of the speed reducer shell, the second end of the shaft assembly component penetrates through the bearing gland to extend out of the speed reducer shell, the bearing sleeve is sleeved on the shaft assembly component in the speed reducer shell, the outer surface of the bearing sleeve is attached to the inner surface of the speed reducer shell, and the minimum radial dimension of the attaching surface is larger than the maximum radial dimension of any cross section of the shaft assembly component. By using the speed reducer and the disassembly method of the shaft assembly component of the speed reducer, repeated disassembly and assembly of the speed reducer shell during maintenance of the shaft assembly component can be avoided, damage to tightness of the speed reducer shell is reduced, meanwhile, the disassembly efficiency of the shaft assembly component is improved, and labor intensity of workers is reduced.
Description
Technical Field
The invention belongs to the technical field of transmission equipment, and particularly relates to a speed reducer and a disassembly method of a shaft assembly component of the speed reducer.
Background
The speed reducer is mainly a nonstandard speed reducer, the speed reducer for a pinch roll in a three-fork area of a narrow strip steel is a nonstandard speed reducer designed according to the rolling line process requirement, the device is the most important mechanical device after the strip steel leaves a finishing mill train, the strip steel needs to be clamped and guided by clamping and conveying equipment to safely guide the strip steel to a chain plate, the clamping and conveying equipment has the function of supporting and starting, and the speed reducer for the clamping and conveying equipment in the three-fork area has high running speed and high vibration, so that the speed reducer needs to be replaced every month in order to ensure the safe and stable running of the clamping and conveying equipment, and the abrasion condition of a bearing and an input conical gear on a high-speed shaft of the speed reducer is checked and overhauled regularly.
The existing three-fork area clamp send device has the advantages that the speed reducer structure is of a traditional structure of an upper part and a lower part, and because the outer diameter of the input conical gear on the high-speed shaft is larger than that of the bearing used by the high-speed shaft, the upper cover of the speed reducer is required to be opened when the bearing of the high-speed shaft and the input conical gear are inspected and overhauled each time, time and labor are wasted, and meanwhile, the speed reducer upper cover is often detached to cause deformation of the speed reducer shell, so that the sealing structure of the upper cover and the lower cover of the speed reducer is damaged.
Disclosure of Invention
The present invention aims to solve at least one of the problems described above, and the object is achieved by the following technical means.
The invention provides a speed reducer for strip steel three-fork area clamping equipment, which comprises a speed reducer shell, a shaft assembly component, a bearing sleeve and a bearing gland, wherein a first end of the shaft assembly component is arranged in the speed reducer shell, the bearing gland is arranged on the outer surface of the speed reducer shell, a second end of the shaft assembly component penetrates through the bearing gland to extend out of the speed reducer shell, the bearing sleeve is sleeved on the shaft assembly component in the speed reducer shell, the outer surface of the bearing sleeve is attached to the inner surface of the speed reducer shell, the minimum radial dimension of an attaching surface is larger than the maximum radial dimension of any cross section on the shaft assembly component, and the bearing sleeve can drive the shaft assembly component to move together along the axial direction of the shaft assembly component through axial movement.
Further, the bearing housing is arranged between the shaft assembly component and the speed reducer shell and is of a cylindrical structure, a first extending end is arranged on the inner circle surface of one side, close to the first end, of the shaft assembly component, of the cylindrical structure, the first extending end can be matched with the shaft assembly component, a second extending end is arranged on the outer circle surface of one side, close to the second end, of the shaft assembly component, of the cylindrical structure, and the second extending end is arranged between the speed reducer shell and the bearing gland.
Further, the shaft assembly comprises a main shaft, a first bearing and a second bearing, wherein the first bearing and the second bearing are arranged on the outer surface of the main shaft, a first spacer sleeve is arranged between the first bearing and the second shaft, and the first extending end is matched with the outer side surface of the first bearing.
Further, the inner surface of the reducer casing includes a first contact surface and a second contact surface, the radial dimension of the first contact surface is smaller than the radial dimension of the second contact surface, a first mating surface and a second mating surface which can be respectively in matched connection with the first contact surface and the second contact surface are arranged on the bearing sleeve, and the radial dimension of the first mating surface is smaller than the radial dimension of the second mating surface.
Further, a groove with a certain depth is further formed between the first contact surface and the second contact surface.
Further, the bearing cover comprises a bearing cover bolt, and the bearing cover bolt sequentially penetrates through the bearing cover, the second extending end of the bearing sleeve and the speed reducer shell, so that the second extending end of the bearing sleeve is fixed between the bearing cover and the speed reducer shell.
Further, the first protruding end is further provided with a plurality of grooves with the same size, and the grooves are uniformly distributed on the first protruding end in the circumferential direction.
Further, the accelerator housing comprises an upper housing and a lower housing, and the upper housing and the lower housing are fixedly connected through a connecting bolt.
The invention also provides a disassembly method of the shaft assembly component of the speed reducer, which is used for disassembling the shaft assembly component of the speed reducer for the strip steel three-fork area clamping and conveying equipment, and comprises the following steps:
removing the bearing gland;
rotating the bearing sleeve to enable the bearing sleeve to drive the shaft assembly component to jointly move towards the outside of the speed reducer shell until the bearing sleeve and the shaft assembly component are completely separated from the speed reducer shell;
and separating the bearing sleeve from the shaft assembly, and finishing the disassembly.
According to the speed reducer and the disassembly method of the shaft assembly component of the speed reducer, the bearing sleeve is arranged in the speed reducer shell, the shaft assembly component is arranged in the bearing sleeve, and when the speed reducer is disassembled, only the bearing gland is required to be disassembled, and the shaft assembly component is driven to move out of the speed reducer shell jointly by rotating and moving the bearing sleeve, so that repeated disassembly and assembly of the speed reducer shell during maintenance of the shaft assembly component are avoided, damage to tightness of the speed reducer shell is reduced, meanwhile, the disassembly efficiency of the shaft assembly component is improved, and the labor intensity of workers is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the cross-section A-A of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the shaft assembly of FIG. 2;
FIG. 4 is a schematic view of a portion of the internal structure of the housing of FIG. 1;
FIG. 5 is a schematic view of the front structure of the bearing housing of FIG. 2;
FIG. 6 is a schematic view of the section B-B of FIG. 5.
The reference numerals in the drawings are as follows:
11: upper case, 111: first contact surface, 112: second contact surface, 12: a lower housing;
20: main shaft, 21: bevel gear, 22: end gland, 23: end bolts, 24: first bearing, 25: first spacer sleeve, 26: second bearing, 27: gasket, 28: locking nut, 29: a second spacer sleeve;
30: bearing sleeve, 31: groove, 32: first projecting end, 33: second protruding end, 34: first mating face, 35: a second mating surface;
40: a jackscrew bolt;
50: a bearing gland;
60: a bearing gland bolt;
70: and (5) connecting bolts.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 is a schematic overall structure of an embodiment of the present invention. FIG. 2 is a schematic view of the cross-section A-A of FIG. 1. FIG. 3 is a schematic view of the overall structure of the shaft assembly of FIG. 2. Fig. 4 is a schematic view of a part of the internal structure of the housing in fig. 1. Fig. 5 is a schematic front view of the bearing housing of fig. 2. FIG. 6 is a schematic view of the section B-B of FIG. 5. As shown in the drawing, the speed reducer in this embodiment includes a speed reducer housing, a shaft assembly (which is, for example, a high-speed shaft assembly), a bearing sleeve 30 and a bearing cover 50, a first end of the shaft assembly is disposed in the speed reducer housing, the bearing cover 50 is disposed on an outer surface of the speed reducer housing, a second end of the shaft assembly passes through the bearing cover 50 and protrudes out of the speed reducer housing, the bearing sleeve 30 is disposed on the shaft assembly inside the speed reducer housing, the outer surface of the bearing sleeve 30 is attached to an inner surface of the speed reducer housing, and a minimum radial dimension of the attaching surface is larger than a maximum radial dimension of any cross section of the shaft assembly, and the shaft assembly can be driven to move together along an axial direction of the shaft assembly by axially moving the bearing sleeve 30.
As shown in fig. 1, the speed reducer housing in the present embodiment includes an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are fixedly connected by a connecting bolt 70. A through hole for the shaft assembly to protrude is provided at the junction of the upper and lower cases 11 and 12, and a bearing cover 50 is provided at the through hole to prevent the shaft assembly from axially moving, and the shaft assembly can freely rotate in the reducer case.
As shown in fig. 3, the shaft assembly comprises a main shaft 20, a conical gear 21, an end gland 22, an end bolt 23, a first bearing 24, a first spacer 25, a second bearing 26, a gasket 27, a lock nut 28 and a second spacer 29, wherein the conical gear 21 is mounted at one end of the main shaft 20, and is fixed on the main shaft 20 by the end gland 22 and the end bolt 23, and the first bearing 24, the first spacer 25, the second bearing 26, the gasket 27, the lock nut 28 and the second spacer 29 are sequentially arranged on the outer surface of the main shaft 20 from right to left in the upper direction of the figure, and the first bearing 24 and the second bearing 29 are arranged at intervals by arranging the first spacer 25.
As shown in fig. 4, the inner surfaces of the upper housing 11 and the lower housing 12 are symmetrically arranged, and after being connected by the connecting bolt 70, a first contact surface 111 and a second contact surface 112 for matching with the bearing housing 30 are formed, the radial dimension of the first contact surface 111 is smaller than that of the second contact surface 112, the bearing housing 30 is provided with a first matching surface 34 and a second matching surface 35 which can be respectively matched and connected with the first contact surface 111 and the second contact surface 112, and the radial dimension of the first matching surface 34 is smaller than that of the second matching surface 25.
The radial dimension of the first contact surface 111 is greater than the maximum radial dimension of the conical gear 21, and the radial dimension of the first contact surface 111 is smaller than the maximum radial dimension of the second contact surface 112, so that the radial dimension requirement of the shaft assembly during assembly and disassembly can be met through the structural design.
As shown in fig. 2,5 and 6, in order to enable the shaft assembly to be driven to be separated from the reducer housing together by rotating and moving the bearing housing 30, a portion of the bearing housing 30 between the shaft assembly and the reducer housing is in a cylindrical structure, a first protruding end 32 is provided on an inner circumferential surface of a side of the cylindrical structure, which is adjacent to the first end of the shaft assembly, the first protruding end 32 is capable of being engaged with the shaft assembly, a second protruding end 33 is provided on an outer circumferential surface of a side of the cylindrical structure, which is adjacent to the second end of the shaft assembly, the second protruding end 33 being provided between the reducer housing and the bearing cover 50.
Wherein the first protruding end 32 is attached to the outer side surface of the first bearing 24, and the outer side surface of the second bearing 26 is provided with a locking nut 28. The lock nut 28 and the first projecting end 32 cooperate to secure the first bearing 24 and the second bearing 26 to the outer surface of the spindle 20. By moving the bearing housing 30, the shaft assembly can be driven to move together. The second protruding end 33 is secured between the bearing cap 50 and the reducer housing by a bearing cap bolt 60.
Further, if the bearing housing 30 is removed for convenience, a plurality of equally sized grooves 31 are further provided on the first protruding end 32, and the grooves 31 are uniformly arranged on the first protruding end 32 in the circumferential direction.
Further, in order to reduce friction resistance when the bearing housing 30 is detached from the inside of the reducer housing, a groove having a certain depth is further provided between the first contact surface 111 and the second contact surface 112. Through the setting of recess, can reduce the area of contact between bearing housing 30 and the reduction gear casing, reduce frictional resistance, improve and dismantle efficiency.
According to the speed reducer, the bearing sleeve 30 is arranged in the speed reducer shell, the shaft assembly component is arranged in the bearing sleeve 30, and when the speed reducer is disassembled, only the bearing gland 50 is required to be disassembled, and the shaft assembly component is driven to move out of the speed reducer shell jointly by rotating and moving the bearing sleeve 30, so that the repeated disassembly and assembly of the speed reducer shell during the maintenance of the shaft assembly component are avoided, the damage to the tightness of the speed reducer shell is reduced, meanwhile, the disassembly efficiency of the shaft assembly component is improved, and the labor intensity of workers is reduced.
The invention also provides a disassembly method of the shaft assembly component of the speed reducer, which is used for disassembling the shaft assembly component of the speed reducer for the strip steel three-fork area clamping and conveying equipment, and comprises the following steps:
The bearing cover 50 is removed, specifically, the bearing cover bolt 60 is rotated to disengage the bearing cover bolt 60 from the bearing cover 50, and at the same time, the bearing cover 50 is removed.
The bearing sleeve 30 is rotated, so that the bearing sleeve 30 drives the shaft assembly component to jointly move towards the outside of the speed reducer shell until the bearing sleeve 30 and the shaft assembly component are completely separated from the speed reducer shell.
The outer surface of the bearing housing 30 is fixedly connected with a jackscrew bolt 40, and the jackscrew bolt 40 is clamped by a wrench, and the jackscrew bolt 40 is rotated clockwise and dragged to the outside of the reducer housing. The bearing housing 30 moves the entire shaft assembly together with the bearing housing 30 to the outside of the reducer housing by the outer side of the first bearing 24. When the first mating surface 34 is disengaged from the first contact surface 111, the second mating surface 35 is also disengaged from the second contact surface 112, and the shaft assembly and the bearing housing 30 can be integrally withdrawn, so that the bearing housing 30 and the shaft assembly are completely disengaged from the reducer housing.
The bearing housing 30 is disengaged from the shaft assembly and the disassembly is completed.
After the bearing housing 30 and the shaft assembly are disengaged from the reducer housing, the bearing housing 30 is separated from the shaft assembly. And the unlocking nut 28 is loosened, the bearing sleeve 30 is separated from the surface of the main shaft 20 from the second end of the shaft assembly, and the bearing sleeve 30 drives the second bearing 26, the first spacer sleeve 25 and the first bearing 24 to be separated from the main shaft 20 from the second end of the shaft assembly in sequence, so that the shaft assembly is disassembled.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The speed reducer for the strip steel three-fork area clamping and conveying equipment is characterized by comprising a speed reducer shell, a shaft assembly component, a bearing sleeve and a bearing gland, wherein a first end of the shaft assembly component is arranged in the speed reducer shell, the bearing gland is arranged on the outer surface of the speed reducer shell, a second end of the shaft assembly component penetrates through the bearing gland and stretches out of the speed reducer shell, the bearing sleeve is sleeved on the shaft assembly component in the speed reducer shell, the outer surface of the bearing sleeve is attached to the inner surface of the speed reducer shell, the minimum radial dimension of an attaching surface is larger than the maximum radial dimension of any cross section of the shaft assembly component, and the bearing sleeve can drive the shaft assembly component to jointly move along the axial direction of the shaft assembly component through axial movement;
The bearing sleeve is arranged between the shaft assembly component and the speed reducer shell and is of a cylindrical structure, a first extending end is arranged on the inner circular surface of one side, close to the first end, of the cylindrical structure, the first extending end can be matched with the shaft assembly component, a second extending end is arranged on the outer circular surface of one side, close to the second end, of the cylindrical structure, of the shaft assembly component, and the second extending end is arranged between the speed reducer shell and the bearing gland;
the shaft assembly component comprises a main shaft, a first bearing and a second bearing, wherein the first bearing and the second bearing are arranged on the outer surface of the main shaft, a first spacer sleeve is arranged between the first bearing and the second bearing, and the first extending end is matched with the outer side surface of the first bearing;
The speed reducer further comprises a bearing gland bolt, and the bearing gland bolt sequentially penetrates through the bearing gland, the second extending end of the bearing sleeve and the speed reducer shell, so that the second extending end of the bearing sleeve is fixed between the bearing gland and the speed reducer shell.
2. The speed reducer for strip steel three-fork area clamping and conveying equipment according to claim 1, wherein the inner surface of the speed reducer shell comprises a first contact surface and a second contact surface, the radial dimension of the first contact surface is smaller than that of the second contact surface, a first matching surface and a second matching surface which can be respectively connected with the first contact surface and the second contact surface in a matching mode are arranged on the bearing sleeve, and the radial dimension of the first matching surface is smaller than that of the second matching surface.
3. The speed reducer for the strip steel trifurcate-area pinch device according to claim 2, wherein a groove with a certain depth is further arranged between the first contact surface and the second contact surface.
4. The speed reducer for the strip steel trifurcate-area pinch device according to claim 1, wherein a plurality of equally-sized grooves are further provided on the first projecting end, and the grooves are uniformly arranged on the first projecting end in a circumferential direction.
5. The speed reducer for a strip steel triple-fork area pinch device according to any one of claims 1 to 4, wherein the speed reducer housing comprises an upper housing and a lower housing, and the upper housing and the lower housing are fixedly connected by a connecting bolt.
6. A method for disassembling a shaft assembly of a speed reducer, for disassembling a shaft assembly of a speed reducer for a strip steel three-fork area pinch device according to any one of claims 1 to 5, comprising the steps of:
removing the bearing gland;
rotating the bearing sleeve to enable the bearing sleeve to drive the shaft assembly component to jointly move towards the outside of the speed reducer shell until the bearing sleeve and the shaft assembly component are completely separated from the speed reducer shell;
and separating the bearing sleeve from the shaft assembly, and finishing the disassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639202.4A CN107654623B (en) | 2017-07-31 | 2017-07-31 | Speed reducer and disassembly method of shaft assembly component of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639202.4A CN107654623B (en) | 2017-07-31 | 2017-07-31 | Speed reducer and disassembly method of shaft assembly component of speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654623A CN107654623A (en) | 2018-02-02 |
| CN107654623B true CN107654623B (en) | 2024-08-02 |
Family
ID=61128200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639202.4A Active CN107654623B (en) | 2017-07-31 | 2017-07-31 | Speed reducer and disassembly method of shaft assembly component of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654623B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757842A (en) * | 2018-07-16 | 2018-11-06 | 宁津县金宏机械有限责任公司 | Planetary reduction gear and transmission system |
| CN111412269B (en) * | 2020-05-07 | 2025-01-28 | 江苏国茂减速机股份有限公司 | The output shaft of the reducer and the core shaft of the equipment are integrated into one structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207583976U (en) * | 2017-07-31 | 2018-07-06 | 唐山新宝泰钢铁有限公司 | Bearing holder (housing, cover) and the retarder that equipment is pinched for strip trident area |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535343U (en) * | 2009-09-09 | 2010-07-28 | 兰州金牛轨道交通装备有限责任公司 | Speed reducer for industrial and mining electric locomotive |
| CN201944200U (en) * | 2011-01-28 | 2011-08-24 | 江阴克威齿轮箱制造有限公司 | Reducer with integral speedcase |
| CN202392086U (en) * | 2011-12-30 | 2012-08-22 | 东风德纳车桥有限公司 | Main speed reducer shell for light vehicle bridge |
| CN102518785A (en) * | 2011-12-30 | 2012-06-27 | 东风德纳车桥有限公司 | Main speed reducer housing for light car axle |
| CN102734439B (en) * | 2012-07-04 | 2015-06-17 | 上海振华重工集团(南通)传动机械有限公司 | Sea platform uplift reducer bearing clearance adjusting method and special tool therefor |
| CN203560447U (en) * | 2013-11-20 | 2014-04-23 | 北京南口轨道交通机械有限责任公司 | Non-contact sealing structure for gearbox and gearbox |
| CN203697030U (en) * | 2014-02-25 | 2014-07-09 | 北京邮电大学世纪学院 | Robot wrist mechanism |
| CN204099509U (en) * | 2014-06-28 | 2015-01-14 | 浙江汇鑫传动机械有限公司 | A kind of rolling mill speed reducer being convenient to keep in repair |
| CN203948608U (en) * | 2014-07-01 | 2014-11-19 | 浙江汇鑫传动机械有限公司 | A kind of retarder of easy disassembly |
| CN204747975U (en) * | 2015-06-09 | 2015-11-11 | 郑州精益达汽车零部件有限公司 | Passenger train main reducer casing assembles with bolt from positioner with bearing cap |
| CN106257100A (en) * | 2015-06-20 | 2016-12-28 | 张家港市胜达钢绳有限公司 | A kind of sealing installation structure of transmission main shaft |
| CN106321781A (en) * | 2015-06-20 | 2017-01-11 | 张家港市胜达钢绳有限公司 | Sealing structure for drive shaft |
| CN105539134B (en) * | 2015-12-30 | 2018-05-04 | 辽宁曙光汽车集团股份有限公司 | Assemble vehicle bridge retarder easy to maintenance |
| CN206017667U (en) * | 2016-08-30 | 2017-03-15 | 重庆望江工业有限公司 | A kind of wind turbine gearbox carrier main-body sealing structure |
| CN206054692U (en) * | 2016-10-09 | 2017-03-29 | 唐山新宝泰钢铁有限公司 | A kind of strip steel trident area pinch roll reduction gear oil tank waterproof seal |
-
2017
- 2017-07-31 CN CN201710639202.4A patent/CN107654623B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207583976U (en) * | 2017-07-31 | 2018-07-06 | 唐山新宝泰钢铁有限公司 | Bearing holder (housing, cover) and the retarder that equipment is pinched for strip trident area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107654623A (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9541136B2 (en) | Rotative assembly, method for dismounting a sealing element and extraction tool for dismounting a sealing element | |
| US7344313B2 (en) | Taper lock bearing assembly | |
| CN107654623B (en) | Speed reducer and disassembly method of shaft assembly component of speed reducer | |
| CN110815126A (en) | Synchronous drive type stern tube bearing dismounting device | |
| CN209621853U (en) | A kind of bearing of double nut vertical pulling lock sleeve | |
| CN216343407U (en) | Split type gear ring bearing | |
| CN108425994A (en) | Edge-masking control unit gear assembly | |
| US2994918A (en) | Die assembly for pellet mills | |
| CN110985550A (en) | Anti-loosening assembly for preventing bearing from moving | |
| CN115070681B (en) | Bearing dismantling process | |
| CN207583976U (en) | Bearing holder (housing, cover) and the retarder that equipment is pinched for strip trident area | |
| US20200263779A1 (en) | Gearbox Case With Wear Sleeve | |
| CN116292608B (en) | A shield machine with main bearing online maintenance function | |
| CN217814232U (en) | Corner mandrel mechanism with axial movement and rotation separated | |
| CN201916351U (en) | Thrust cylindrical roller bearing of elastic cylindrical pin connection retainer | |
| CN209158265U (en) | A tapered bearing disassembly tool | |
| CN201866117U (en) | Wedged quick-change coupling | |
| CN207945203U (en) | A helicopter main reducer rotor shaft tension bearing | |
| CN213290101U (en) | Gearbox bearing extracting tool | |
| CN223524255U (en) | Transmission shaft safety device | |
| CN223431216U (en) | Pulley removal device | |
| CN208662131U (en) | Quick-detachable locking device and milling train | |
| CN206309536U (en) | Bearing stopping means and wind power generating set | |
| CN216422427U (en) | Sliding bearing dismounting tool | |
| CN204138029U (en) | A kind of driven cone device of admission machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Xianyi Inventor after: Yang Yueda Inventor after: Tang Qingli Inventor after: Wei Jianfei Inventor after: Ma Po Inventor after: Yao Xinhua Inventor after: Wu Guofu Inventor after: Meng Runze Inventor after: Zhang Xuhui Inventor after: Guo Shizhen Inventor before: Han Xianyi |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20251017 Address after: 064200 Yangjiazhuang Village, south of Bangkuan Highway, Cuijiazhuang Township, Zunhua City, Tangshan City, Hebei Province Patentee after: TANGSHAN GANGLU IRON & STEEL Co.,Ltd. Country or region after: China Address before: 064000, Hebei province Tangshan City Fengrun Shahe industrial park new precious steel Co., Ltd. Patentee before: TANGSHAN XINBAOTAI IRON AND STEEL Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |