CN114251356A - Retainer structure for reducing noise of plane thrust bearing - Google Patents
Retainer structure for reducing noise of plane thrust bearing Download PDFInfo
- Publication number
- CN114251356A CN114251356A CN202111538111.4A CN202111538111A CN114251356A CN 114251356 A CN114251356 A CN 114251356A CN 202111538111 A CN202111538111 A CN 202111538111A CN 114251356 A CN114251356 A CN 114251356A
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- CN
- China
- Prior art keywords
- main body
- cage
- needle roller
- thrust bearing
- plane thrust
- 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.)
- Pending
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明涉及传动设备技术领域，尤其涉及一种降低平面推力轴承噪音的保持架结构。本发明采用的技术方案是：包括由金属材料制成的主体为圆柱形的保持架主体结构，所述保持架主体结构的上端中心位置设有主体配合安装孔，所述保持架主体结构的上端靠近中心位置设有圆柱形主体加固配合稳定柱，所述保持架主体结构靠外侧位置设有截面为几字形的滚针配合安装稳定结构，所述滚针配合安装稳定结构的位置设有圆周均匀分布的长方形安装配合放置连接槽。本发明的优点是：在使用时能够降低平面推力轴承噪音，使平面推力轴在运转中更加平稳，从而提高平面推力轴承的寿命，使滚针不需要进行复杂的加工，整体在使用时的成本更低。
The invention relates to the technical field of transmission equipment, in particular to a cage structure for reducing the noise of a plane thrust bearing. The technical solution adopted in the present invention is: comprising a cage main body structure made of metal material with a cylindrical main body, a main body fitting mounting hole is provided at the center of the upper end of the cage main body structure, and the upper end of the cage main body structure is provided with a main body fitting hole. A cylindrical main body is provided with a reinforcing and cooperating stabilizing column near the center. The outer position of the cage main body structure is provided with a needle roller cooperating and installing stabilizing structure with a cross-section of a few characters. Distributed rectangular mounts are fitted to place the connection slots. The advantages of the invention are: the noise of the plane thrust bearing can be reduced during use, so that the plane thrust shaft can run more smoothly, thereby improving the life of the plane thrust bearing, so that the needle rollers do not need to be processed complicatedly, and the overall cost in use lower.
Description
Technical Field
The invention relates to the technical field of transmission equipment, in particular to a retainer structure for reducing noise of a plane thrust bearing.
Background
The contact between the lock needle window and the end surface of the rolling needle of the existing plane thrust bearing retainer structure is the contact of the punching surface of the retainer window, and the contact position is at the edge of the end surface of the rolling needle close to the outer diameter. Under the working state of the plane thrust bearing, the needle roller moves to drive the retainer to rotate, the end face of the needle roller can be contacted and rubbed with the retainer window punching surface for a long time under the action of centrifugal force, the contact area between the needle roller and the retainer window is large, and the noise generated by large resistance in operation is large. The uneven end surface of the roller pin easily wears the retainer in operation, so that the roller pin is shifted out to cause the failure of the whole plane thrust bearing. The process of processing and cutting off the needle roller has the technical defect of inclined end face, in order to prolong the service life of the plane thrust bearing, the needle roller is cut off and is lengthened a little and then a process of grinding the end face of the needle roller is added, so that the manufacturing cost of the needle roller is greatly increased, and the cost of the whole process is higher when the needle roller is used.
Disclosure of Invention
The invention aims to provide a retainer structure for reducing the noise of a plane thrust bearing, which adopts a brand-new structural design, can enable a needle roller to move in a smaller range when in use by arranging a positioning and matching structure when the needle roller is installed at a needle locking window position, can effectively improve the safety when in use, has better integral durability, can realize point contact matching with two ends of the needle roller when in use by arranging circular arc boss structures at the positions of the two end surfaces matched with the needle roller, reduces the frictional resistance between the needle roller and the needle roller when in use, and adjusts the contact position to the end surface central point of the needle roller at the edge close to the outer diameter of the needle roller, thereby greatly reducing the noise of the plane thrust bearing, enabling the plane thrust shaft to be more stable in operation, further prolonging the service life of the plane thrust bearing, avoiding complex processing of the needle roller and reducing the integral cost when in use, the cost in production and processing is also low.
The technical scheme of the invention is as follows:
the utility model provides a reduce holder structure of plane thrust bearing noise which characterized in that: the cage is characterized in that the cage comprises a cylindrical cage main body structure made of metal materials, a main body matching mounting hole is formed in the center of the upper end of the cage main body structure, a cylindrical main body reinforcing and matching stabilizing column is arranged at the position, close to the center, of the upper end of the cage main body structure, a roller pin matching mounting and stabilizing structure with a cross section in a shape like a Chinese character 'ji' is arranged at the position, close to the outer side, of the cage main body structure, rectangular mounting and matching placing connecting grooves with uniformly distributed circumferences are formed in the position of the roller pin matching mounting and stabilizing structure, a roller pin structure is placed and matched in the mounting and matching placing connecting grooves, an integrally formed first stop safety and stabilizing boss is respectively arranged at the upper end in the front-back direction of the mounting and matching placing connecting grooves, and integrally formed second stop safety and stabilizing bosses are respectively arranged at the two sides of the lower end of the mounting and matching placing connecting grooves, the roller pin structure can roll between the first stop safety and stability boss and the second stop safety and stability boss, the upper position and the lower position of the roller pin structure after installation exceed the upper end face and the lower end face of the retainer main body structure, the installation positions, located on the two side end faces of the roller pin structure, in the installation matching and placing connecting groove are respectively provided with an integrally formed arc-shaped safety matching and stability boss, and the arc-shaped surface positions of the safety matching and stability bosses are matched and installed with the two side end faces of the roller pin structure.
Further, the main body structure of the retainer is produced in a pressing forming processing mode, and the main body reinforcing and matching stabilizing column is processed in a pressing and concave forming mode.
Furthermore, the thickness of the safe matching stable lug boss in the vertical direction is the same as the wall thickness of the retainer main body structure.
Furthermore, the width of the safety fit stable boss is smaller than half of the width of the installation fit placing connecting groove.
Furthermore, the edge position of the upper end of the main body matched with the mounting hole is provided with a central assembly guide arc structure.
The invention has the beneficial effects that:
the invention adopts a brand-new structural design, and the positioning and matching structure is arranged at the position of the lock needle window when the needle roller is installed, so that the needle roller can move in a smaller range when in use, the safety when in use can be effectively improved, the integral durability is better, the positions of two end surfaces matched with the needle roller are provided with the circular arc boss structures, the circular arc boss structures can be in point contact matching with the two ends of the needle roller when in use, the friction resistance between the needle roller and the needle roller when in use is reduced, and the contact position is adjusted to the central point of the end surface of the needle roller at the edge of the needle roller close to the outer diameter, so that the noise of the plane thrust bearing can be greatly reduced, the plane thrust shaft is more stable in operation, the service life of the plane thrust bearing is prolonged, the needle roller does not need to be processed in a complex way, and the integral cost when in use is lower.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a left side schematic view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic bottom view of the present invention;
FIG. 6 is a perspective view of the present invention in a second direction;
FIG. 7 is a schematic cross-sectional view taken at location A-A of the present invention;
FIG. 8 is an enlarged partial view of the position B of the present invention;
in the figure: 1. the retainer major structure, 2, bearing structure, 3, main part reinforcing cooperation stabilize the post, and 4, the spread groove is placed in the installation cooperation, and 5, first end a safety and stability boss, 6, the second end a safety and stability boss, 7, the safety cooperation stabilize the boss.
Detailed Description
As shown in figures 1 to 8, a retainer structure for reducing the noise of a plane thrust bearing adopts a brand-new structural design, can enable a needle roller to move in a smaller range when in use through arranging a positioning and matching structure when the needle roller is arranged at a needle locking window position, can effectively improve the safety when in use, has better integral durability, can realize point contact matching with two ends of the needle roller when in use by arranging arc-shaped boss structures at the positions of the two end surfaces matched with the needle roller, reduces the frictional resistance between the needle roller and the needle roller when in use, and adjusts the contact position at the edge of the needle roller close to the outer diameter to the central point of the end surface of the needle roller, thus greatly reducing the noise of the plane thrust bearing, enabling the plane thrust shaft to be more stable in operation, thereby prolonging the service life of the plane thrust bearing, enabling the needle roller not to need to carry out complex processing and lowering the cost of the whole when in use, the cost in production and processing is also low. The cage comprises a cylindrical cage main body structure 1 made of metal materials, a main body matching mounting hole is formed in the center of the upper end of the cage main body structure 1, a cylindrical main body reinforcing and matching stabilizing column 3 is arranged at the position, close to the center, of the upper end of the cage main body structure 1, a roller pin matching mounting and stabilizing structure with a cross section in a shape like a Chinese character 'ji' is arranged at the position, close to the outer side, of the cage main body structure 1, rectangular mounting and matching placing connecting grooves 4 are formed in the position, in which the roller pin matching mounting and stabilizing structure is uniformly distributed on the circumference, roller pin structures 2 are placed and matched in the mounting and matching placing connecting grooves 4, an integrally formed first stop safety and stabilizing boss 5 is respectively arranged at the upper end of the mounting and matching placing connecting grooves 4 in the front-back direction, and integrally formed second stop safety and stabilizing bosses 6 are respectively arranged at the two sides of the lower end of the mounting and matching placing connecting grooves 4, they can guarantee the security of bearing pin structure when using. The needle roller structure 2 can roll between the first stop safety and stability boss 5 and the second stop safety and stability boss 6. After the needle roller structures 2 are installed, the upper and lower positions of the needle roller structures exceed the upper and lower end surfaces of the retainer main body structure 1, so that transmission matching can be carried out during use. The installation positions, located on the end faces on the two sides of the needle roller structure 2, in the installation matching placement connecting groove 4 are respectively provided with an integrally formed arc-shaped safe matching and stabilizing boss 7, the arc-shaped surface position of the safe matching and stabilizing boss 7 is matched and installed with the end faces on the two sides of the needle roller structure 2, the situation that the positions on the two sides are prone to friction can be avoided when the needle roller is used, noise in the using process can be effectively reduced, and the service life of the whole needle roller is longer.
Preferably, the retainer main body structure 1 is produced by a press forming processing mode, and the main body reinforcing and matching stabilizing column 3 is processed by a press forming mode, so that the cost is lower during the whole production and processing, and the whole structural stability is more reliable.
Preferably, the thickness of the safe matching and stabilizing boss 7 in the vertical direction is the same as the wall thickness of the retainer main body structure 1, so that the assembly stability at the position is better ensured, and the matching safety is higher during use.
Preferably, the width of the safety fit stable boss 7 is smaller than half of the width of the installation fit placing connecting groove 4, so that the use stability of the needle roller can be better ensured in use, and the overall safety in the use process is more reliable.
Preferably, the edge position of the upper end of the main body matching mounting hole is provided with a central assembling guiding arc structure, so that the operation is more convenient when the assembling at the central position is carried out.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or substitutions can be made without departing from the principle of the present invention, and these modifications or substitutions should also be considered as the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538111.4A CN114251356A (en) | 2021-12-15 | 2021-12-15 | Retainer structure for reducing noise of plane thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538111.4A CN114251356A (en) | 2021-12-15 | 2021-12-15 | Retainer structure for reducing noise of plane thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114251356A true CN114251356A (en) | 2022-03-29 |
Family
ID=80795239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111538111.4A Pending CN114251356A (en) | 2021-12-15 | 2021-12-15 | Retainer structure for reducing noise of plane thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114251356A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084797A (en) * | 2002-08-27 | 2004-03-18 | Koyo Seiko Co Ltd | Roller bearing retainer and thrust needle-like roller bearing |
| JP2006022847A (en) * | 2004-07-06 | 2006-01-26 | Nsk Ltd | Thrust roller bearing cage and thrust roller bearing |
| EP1657460A2 (en) * | 2004-11-16 | 2006-05-17 | Koyo Seiko Co., Ltd. | Roller thrust bearing cage and manufacturing method thereof |
| JP2008025591A (en) * | 2006-07-18 | 2008-02-07 | Ntn Corp | Thrust roller bearing cage manufacturing method |
| JP2008169966A (en) * | 2007-01-15 | 2008-07-24 | Jtekt Corp | Thrust roller bearing |
| JP2008202760A (en) * | 2007-02-22 | 2008-09-04 | Jtekt Corp | Cage for thrust roller bearing, and trust roller bearing |
| CN101600891A (en) * | 2007-01-19 | 2009-12-09 | 株式会社捷太格特 | The retainer and the thrust roller bearing that are used for thrust roller bearing |
| CN106884869A (en) * | 2017-03-17 | 2017-06-23 | 山东湖西王集团有限公司 | Hub reduction gear thrust bearing |
| CN216842686U (en) * | 2021-12-15 | 2022-06-28 | 环球传动泰州有限公司 | Retainer structure for reducing noise of plane thrust bearing |
-
2021
- 2021-12-15 CN CN202111538111.4A patent/CN114251356A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084797A (en) * | 2002-08-27 | 2004-03-18 | Koyo Seiko Co Ltd | Roller bearing retainer and thrust needle-like roller bearing |
| JP2006022847A (en) * | 2004-07-06 | 2006-01-26 | Nsk Ltd | Thrust roller bearing cage and thrust roller bearing |
| EP1657460A2 (en) * | 2004-11-16 | 2006-05-17 | Koyo Seiko Co., Ltd. | Roller thrust bearing cage and manufacturing method thereof |
| JP2008025591A (en) * | 2006-07-18 | 2008-02-07 | Ntn Corp | Thrust roller bearing cage manufacturing method |
| JP2008169966A (en) * | 2007-01-15 | 2008-07-24 | Jtekt Corp | Thrust roller bearing |
| CN101600891A (en) * | 2007-01-19 | 2009-12-09 | 株式会社捷太格特 | The retainer and the thrust roller bearing that are used for thrust roller bearing |
| JP2008202760A (en) * | 2007-02-22 | 2008-09-04 | Jtekt Corp | Cage for thrust roller bearing, and trust roller bearing |
| CN106884869A (en) * | 2017-03-17 | 2017-06-23 | 山东湖西王集团有限公司 | Hub reduction gear thrust bearing |
| CN216842686U (en) * | 2021-12-15 | 2022-06-28 | 环球传动泰州有限公司 | Retainer structure for reducing noise of plane thrust bearing |
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