WO2018223985A1 - Roller equipped with high sealing performance bearing - Google Patents
Roller equipped with high sealing performance bearing Download PDFInfo
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- WO2018223985A1 WO2018223985A1 PCT/CN2018/090104 CN2018090104W WO2018223985A1 WO 2018223985 A1 WO2018223985 A1 WO 2018223985A1 CN 2018090104 W CN2018090104 W CN 2018090104W WO 2018223985 A1 WO2018223985 A1 WO 2018223985A1
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- bearing
- seal
- end surface
- roller
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/09—Arrangements of bearing or sealing means
Definitions
- the present application relates to the field of roller technology, and more particularly to a roller equipped with a high sealing performance bearing.
- Rollers are one of the important components in belt conveyors, especially in large belt conveyors used in coal mines.
- the role of the roller is to support the weight of the conveyor belt and the material.
- the roller must be flexible and reliable, reduce the friction between the conveyor belt and the roller, and play a key role in the life of the conveyor belt with a total conveyor cost of more than 25%.
- the existing idler comprises a cylinder 10, two bearing seats 20, two roller-specific bearings 30, and a roller shaft 40.
- the two ends of the cylinder 10 are respectively formed with a bearing seat mounting portion 11, and the two bearing housings 20 respectively Mounted in the bearing housing mounting portion 11 at both ends of the cylinder 10, two roller-specific bearings 30 are respectively mounted in the two bearing housings 20, and the roller shaft 40 is mounted at the center of the cylinder 10 through two roller-specific bearings 30.
- the position passes through the cylinder 10 in the axial direction.
- the existing roller special bearing 30 comprises a bearing inner ring, a bearing outer ring, a cage disposed between the bearing inner ring and the bearing outer ring, a plurality of ball pockets disposed in the cage of the cage and located in the bearing inner ring and the bearing Balls between the outer rings and seals respectively disposed between the inner ring of the bearing and the outer ring of the bearing.
- the special bearings for the rollers are mainly used in the high speed of the general industrial market, the inner ring rotation and the application environment are not easily polluted.
- the existing roller-specific bearings have the following disadvantages: 1. The application is not suitable for the outer ring rotation, the grease is easy to leak; 2. The additional seal or skeleton seal is required, and the overall manufacturing cost of the roller is increased; 3.
- the technical problem to be solved by the present application is to provide a roller equipped with a bearing having high sealing performance in view of the deficiencies of the prior art.
- a roller with high sealing performance including:
- a bearing seat mounting portion is formed at both ends of the cylinder body;
- the bearing includes a bearing inner ring, a bearing outer ring, a cage disposed between the bearing inner ring and the bearing outer ring, and a plurality of inner rings disposed in the bearing Balls between the outer races of the bearing and located within the pocket of the cage;
- roller shaft being mounted at a central position of the cylinder through the bearing and penetrating the cylinder body in the axial direction;
- the bearing further includes a first seal detachably mounted on an outer end surface of the bearing inner ring, the first seal extending radially and covering an outer end surface of the bearing outer ring and The first seal has little contact with the outer end surface of the bearing outer ring.
- annular axial lip is disposed on an end surface of the first sealing member facing the bearing inner ring, and an annular lip is formed on an outer end surface of the bearing inner ring.
- the annular axial lip of the first seal is snapped into an annular lip formed on the outer end surface of the inner race of the bearing.
- a second seal is disposed on the inner end face between the bearing inner ring and the bearing outer ring.
- the cage is made of engineering plastic.
- the first sealing member is composed of a skeleton and a sealing ring coated on the skeleton, and the sealing ring is formed by a high temperature extrusion injection molding process, and the sealing ring is Made from the following combinations of raw materials, by weight:
- the bearing of the present application cancels the traditional complicated high-cost sealing, and the first sealing member is used to completely seal the outer end surface of the bearing to prevent the grease from leaking while preventing moisture and dust from entering the working surface of the bearing, and ensuring that the roller is in the Normal operation under various working conditions;
- the first seal also fully meets the requirements of flame retardant and explosion-proof working conditions.
- Fig. 1 is a schematic view showing the structure of a conventional idler.
- FIG. 2 is a schematic structural view of a bearing of the present application.
- a roller having a high sealing performance includes a cylinder 100, two bearing housings 200, two bearings 300, and a roller shaft 400.
- the two ends of the cylinder 100 are respectively formed with a bearing housing.
- the mounting portion 110, the two bearing housings 200 are respectively mounted in the bearing housing mounting portion 110 at both ends of the cylinder 100, the two bearings 300 are respectively mounted in the two bearing housings 200, and the roller shaft 400 is mounted on the cylinder through the two bearings 300
- the body 100 has a central position and penetrates the cylinder 100 in the axial direction. When the idler is running, the outer ring of the bearing 300 rotates while the inner ring is relatively stationary.
- the bearing 300 includes a bearing inner ring 310, a bearing outer ring 320, a retainer 330 disposed between the bearing inner ring 310 and the bearing outer ring 320, and a plurality of bearings disposed outside the bearing inner ring 310 and the bearing outer ring 310.
- the cage 330 is made of engineering plastic to reduce friction and improve lubrication.
- a first sealing member 350 is detachably mounted on the outer end surface of the bearing inner ring 310.
- the first sealing member 350 extends in the radial direction and covers the outer end surface of the bearing outer ring 320, and the first sealing member 350 and the bearing Little contact is formed between the outer end faces of the outer ring 320.
- An annular axial lip 351 is disposed on the end surface of the first sealing member 350 toward the bearing inner ring 310.
- An annular lip 311 is formed on the outer end surface of the bearing inner ring 310, and the annular axial lip 351 of the first sealing member 350 is formed. It is connected to the annular lip 311 formed on the outer end surface of the bearing inner ring 310.
- a second seal 360 is disposed on the inner end face between the bearing inner ring 310 and the bearing outer ring 320.
- the first seal member 350 is composed of a skeleton and a seal ring coated on the skeleton, which is formed by a high temperature extrusion injection molding process.
- the seal is made up of the following combinations of raw materials, by weight:
- the surface resistance of the first sealing member 350 is at the sixth power of 10, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
- the seal is made up of the following combinations of raw materials, by weight:
- the surface resistance of the first sealing member 350 is at the seventh power of 10, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
- the seal is made up of the following combinations of raw materials, by weight:
- the surface resistance of the first sealing member 350 is 10 7.5 volts, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
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- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
An roller equipped with a high sealing performance bearing comprises: a cylinder body (100), wherein a bearing seat mounting portion (110) is formed at each of two ends of the cylinder body (100); bearing seats (200), respectively mounted in the bearing seat mounting portions (110) of the cylinder body (100); bearings (300), respectively mounted in the bearing seats (200), wherein the bearing (300) comprises a bearing inner ring (310), a bearing outer ring (320), a cage (330), and a plurality of balls (340); and a roller shaft (400), mounted in a central position of the cylinder body (100) via the bearings (300) and running axially through the cylinder body (100). The bearing (300) further comprises a first seal (350) detachably mounted on an outer end surface of the bearing inner ring (310), and the first seal (350) extends radially and covers an outer end surface of the bearing outer race (320). The outer end surface of the bearing (300) of the roller is fully sealed by the first seal (350), avoiding leakage of grease and preventing moisture and dust from entering a working surface of the bearing, thereby ensuring normal operation of the roller under a range of working conditions.
Description
相关申请的交叉引用Cross-reference to related applications
本申请要求于2017年06月07日提交中国专利局的申请号为201710424296.3、名称为“一种安装有高密封性能轴承的托辊”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。The present application claims priority to Chinese Patent Application No. 201710424296.3, entitled "A Roller with High Sealing Performance Bearings", filed on June 07, 2017, the entire contents of which is incorporated by reference. In this application.
本申请涉及托辊技术领域，尤其涉及一种安装有高密封性能轴承的托辊。The present application relates to the field of roller technology, and more particularly to a roller equipped with a high sealing performance bearing.
在带式输送机，尤其是煤矿中使用的大型带式输送机中，托辊是重要部件之一。托辊的作用是支撑输送带和物料重量，托辊运行必须灵活可靠，减少输送带与托辊之间的摩擦力，对输送机总成本25％以上的输送带的寿命起到关键作用。Rollers are one of the important components in belt conveyors, especially in large belt conveyors used in coal mines. The role of the roller is to support the weight of the conveyor belt and the material. The roller must be flexible and reliable, reduce the friction between the conveyor belt and the roller, and play a key role in the life of the conveyor belt with a total conveyor cost of more than 25%.
现有的托辊包括筒体10、两个轴承座20、两个托辊专用轴承30以及托辊轴40，筒体10的两端分别形成有一轴承座安装部11，两个轴承座20分别安装在筒体10两端的轴承座安装部11内，两个托辊专用轴承30分别安装在两个轴承座20内，托辊轴40通过两个托辊专用轴承30安装在筒体10的中心位置，且沿轴向贯通筒体10。托辊运行时，托辊专用轴承30的外圈旋转，而内圈相对静止。现有的托辊专用轴承30包括轴承内圈、轴承外圈、设置在轴承内圈和轴承外圈之间的保持架、若干设置在所述保持架的球兜内且位于轴承内圈和轴承外圈之间的滚珠以及分别设置在轴承内圈和轴承外圈之间两侧的密封件。托辊专用轴承主要应用在通用工业市场的高速度、内圈旋转和应用环境不易被污染等的工况下。然而，现有的托辊专用轴承存在以下缺点：1、不适合外圈旋转的应用，油脂容易泄露；2、需要额外增加密封件或骨架密封，增加了托辊的整体制造成本；3、外部的迷宫或其他密封件增加了阻尼，降低了轴承的运行效率；4、如果不采用外部的额外密封件，轴承直接裸露于大气环境下，加之现有的密封件无法保护轴承端面，轴承钢容易生锈，影响轴承的正常运行。The existing idler comprises a cylinder 10, two bearing seats 20, two roller-specific bearings 30, and a roller shaft 40. The two ends of the cylinder 10 are respectively formed with a bearing seat mounting portion 11, and the two bearing housings 20 respectively Mounted in the bearing housing mounting portion 11 at both ends of the cylinder 10, two roller-specific bearings 30 are respectively mounted in the two bearing housings 20, and the roller shaft 40 is mounted at the center of the cylinder 10 through two roller-specific bearings 30. The position passes through the cylinder 10 in the axial direction. When the idler is running, the outer ring of the roller-specific bearing 30 rotates while the inner ring is relatively stationary. The existing roller special bearing 30 comprises a bearing inner ring, a bearing outer ring, a cage disposed between the bearing inner ring and the bearing outer ring, a plurality of ball pockets disposed in the cage of the cage and located in the bearing inner ring and the bearing Balls between the outer rings and seals respectively disposed between the inner ring of the bearing and the outer ring of the bearing. The special bearings for the rollers are mainly used in the high speed of the general industrial market, the inner ring rotation and the application environment are not easily polluted. However, the existing roller-specific bearings have the following disadvantages: 1. The application is not suitable for the outer ring rotation, the grease is easy to leak; 2. The additional seal or skeleton seal is required, and the overall manufacturing cost of the roller is increased; 3. External The labyrinth or other seals increase the damping and reduce the operating efficiency of the bearing; 4. If the external extra seal is not used, the bearing is directly exposed to the atmosphere, and the existing seal can not protect the bearing end face, the bearing steel is easy Rusting, affecting the normal operation of the bearing.
为此，申请人进行了有益的探索和尝试，找到了解决上述问题的办法，下面将要介绍的技术方案便是在这种背景下产生的。To this end, the applicant has made useful explorations and attempts to find a solution to the above problems, and the technical solution to be introduced below is generated in this context.
发明内容Summary of the invention
本申请所要解决的技术问题：针对现有技术的不足而提供一种安装有高密封性能轴承的托辊。The technical problem to be solved by the present application is to provide a roller equipped with a bearing having high sealing performance in view of the deficiencies of the prior art.
本申请所解决的技术问题可以采用以下技术方案来实现：The technical problem solved by the present application can be implemented by the following technical solutions:
一种安装有高密封性能的托辊，包括：A roller with high sealing performance, including:
一筒体，所述筒体的两端形成有一轴承座安装部；a cylinder body, a bearing seat mounting portion is formed at both ends of the cylinder body;
分别安装在所述筒体的轴承座安装部内的轴承座；Bearing housings respectively mounted in the bearing housing mounting portions of the barrel;
分别安装在所述轴承座内的轴承，所述轴承包括轴承内圈、轴承外圈、一设置在所述轴承内圈与轴承外圈之间的保持架以及若干设置在所述轴承内圈与轴承外圈之间且位于所述保持架的球兜内的滚珠；以及Bearings respectively mounted in the bearing housing, the bearing includes a bearing inner ring, a bearing outer ring, a cage disposed between the bearing inner ring and the bearing outer ring, and a plurality of inner rings disposed in the bearing Balls between the outer races of the bearing and located within the pocket of the cage;
一托辊轴，所述托辊轴通过所述轴承安装在所述筒体的中心位置且沿轴向贯通所述筒体；其特征在于，a roller shaft, the roller shaft being mounted at a central position of the cylinder through the bearing and penetrating the cylinder body in the axial direction;
所述轴承还包括一可拆卸地安装在所述轴承内圈的外侧端面上的第一密封件，所述第一密封件沿径向延伸并将所述轴承外圈的外侧端面包覆住且所述第一密封件与所述轴承外圈的外侧端面之间几乎不形成接触。The bearing further includes a first seal detachably mounted on an outer end surface of the bearing inner ring, the first seal extending radially and covering an outer end surface of the bearing outer ring and The first seal has little contact with the outer end surface of the bearing outer ring.
在本申请的一个优选实施例中，在所述第一密封件朝向所述轴承内圈的端面上设置有一环形轴向唇边，在所述轴承内圈的外侧端面上形成有一环形唇口，所述第一密封件的环形轴向唇边卡接在所述轴承内圈的外侧端面上形成的环形唇口内。In a preferred embodiment of the present application, an annular axial lip is disposed on an end surface of the first sealing member facing the bearing inner ring, and an annular lip is formed on an outer end surface of the bearing inner ring. The annular axial lip of the first seal is snapped into an annular lip formed on the outer end surface of the inner race of the bearing.
在本申请的一个优选实施例中，在所述轴承内圈与轴承外圈之间的内侧端面上设置有第二密封件。In a preferred embodiment of the present application, a second seal is disposed on the inner end face between the bearing inner ring and the bearing outer ring.
在本申请的一个优选实施例中，所述保持架采用工程塑料制成。In a preferred embodiment of the application, the cage is made of engineering plastic.
在本申请的一个优选实施例中，所述第一密封件由骨架以及包覆在所述骨架上的密封圈构成，所述密封圈通过高温挤出注塑成型工艺制成，所述密封圈由以下原料组合制成，按重量百分比计：In a preferred embodiment of the present application, the first sealing member is composed of a skeleton and a sealing ring coated on the skeleton, and the sealing ring is formed by a high temperature extrusion injection molding process, and the sealing ring is Made from the following combinations of raw materials, by weight:
由于采用了如上的技术方案，本申请的有益效果在于：Since the above technical solution is adopted, the beneficial effects of the present application are:
1、本申请的轴承取消传统的复杂高成本密封，采用上述的第一密封件对轴承外侧端面进行全面密封，防止油脂外泄的同时也防止水分及灰尘进入轴承的工作面，保证托辊在各种工况下正常运行；1. The bearing of the present application cancels the traditional complicated high-cost sealing, and the first sealing member is used to completely seal the outer end surface of the bearing to prevent the grease from leaking while preventing moisture and dust from entering the working surface of the bearing, and ensuring that the roller is in the Normal operation under various working conditions;
2、由于第一密封件与轴承外圈的外侧端面之间几乎不形成接触，当托辊运行时轴承外圈旋转而轴承内圈静止，可以有效地减少总体阻尼；2. Since there is almost no contact between the first sealing member and the outer end surface of the bearing outer ring, when the roller is running, the bearing outer ring rotates and the bearing inner ring is stationary, which can effectively reduce the overall damping;
3、通过添加吸湿性抗静电剂，其具有一定的吸湿作用，可以吸取空气中的水分，降低第一密封件的表面阻值，使得第一密封件的表面阻值控制在10的6-8次方之间，具有良好的防静电性能。同时，第一密封件也完全满足阻燃防爆的工况条件要求。3, by adding a hygroscopic antistatic agent, which has a certain moisture absorption effect, can absorb the moisture in the air, reduce the surface resistance of the first sealing member, so that the surface resistance of the first sealing member is controlled at 6-8 of 10 Between the powers, it has good anti-static properties. At the same time, the first seal also fully meets the requirements of flame retardant and explosion-proof working conditions.
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present application, and other drawings can be obtained according to the drawings without any creative work for those skilled in the art.
图1是现有的托辊的结构示意图。Fig. 1 is a schematic view showing the structure of a conventional idler.
图2是本申请的轴承的结构示意图。2 is a schematic structural view of a bearing of the present application.
为了使本申请实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本申请。In order to make the technical means, creative features, achievement goals and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific illustrations.
参见图2，本申请的一种安装有高密封性能的托辊，包括筒体100、两个轴承座200、两个轴承300以及托辊轴400，筒体100的两端分别形成有一轴承座安装部110，两个轴承座200分别安装在筒体100两端的轴承座安装部110内，两个轴承300分别安装在两个轴承座200内，托辊轴400通过两个轴承300安装在筒体100的中心位置，且沿轴向贯通筒体100。托辊运行时，轴承300的外圈旋转，而内圈相对静止。Referring to FIG. 2, a roller having a high sealing performance according to the present application includes a cylinder 100, two bearing housings 200, two bearings 300, and a roller shaft 400. The two ends of the cylinder 100 are respectively formed with a bearing housing. The mounting portion 110, the two bearing housings 200 are respectively mounted in the bearing housing mounting portion 110 at both ends of the cylinder 100, the two bearings 300 are respectively mounted in the two bearing housings 200, and the roller shaft 400 is mounted on the cylinder through the two bearings 300 The body 100 has a central position and penetrates the cylinder 100 in the axial direction. When the idler is running, the outer ring of the bearing 300 rotates while the inner ring is relatively stationary.
参见图2并结合图1，轴承300包括轴承内圈310、轴承外圈320、一设置在轴承内圈310与轴承外圈320之间的保持架330以及若干设置在轴承内圈310与轴承外圈320之间且位于保持架330的球兜内的滚珠340。保持架330采用工程塑料制成，可降低摩擦和提高润滑性能。Referring to FIG. 2 and in conjunction with FIG. 1, the bearing 300 includes a bearing inner ring 310, a bearing outer ring 320, a retainer 330 disposed between the bearing inner ring 310 and the bearing outer ring 320, and a plurality of bearings disposed outside the bearing inner ring 310 and the bearing outer ring 310. Balls 340 between the rings 320 and within the pocket of the cage 330. The cage 330 is made of engineering plastic to reduce friction and improve lubrication.
在轴承内圈310的外侧端面上可拆卸地安装有一第一密封件350，第一密封件350沿径向延伸并将轴承外圈320的外侧端面包覆住，并且第一密封件350与轴承外圈320的外侧端面之间几乎不形成接触。A first sealing member 350 is detachably mounted on the outer end surface of the bearing inner ring 310. The first sealing member 350 extends in the radial direction and covers the outer end surface of the bearing outer ring 320, and the first sealing member 350 and the bearing Little contact is formed between the outer end faces of the outer ring 320.
第一密封件350朝向轴承内圈310的端面上设置有一环形轴向唇边351，轴承内圈310的外侧端面上形成有一环形唇口311，第一密封件350的环形轴向唇边351卡接在轴承内圈310的外侧端面上形成的环形唇口311内。An annular axial lip 351 is disposed on the end surface of the first sealing member 350 toward the bearing inner ring 310. An annular lip 311 is formed on the outer end surface of the bearing inner ring 310, and the annular axial lip 351 of the first sealing member 350 is formed. It is connected to the annular lip 311 formed on the outer end surface of the bearing inner ring 310.
为了提高轴承的整体密封性，在轴承内圈310与轴承外圈320之间的内侧端面上设置有第二密封件360。In order to improve the overall sealing of the bearing, a second seal 360 is disposed on the inner end face between the bearing inner ring 310 and the bearing outer ring 320.
第一密封件350由骨架以及包覆在骨架上的密封圈构成，该密封圈通过高温挤出注塑成型工艺制成。The first seal member 350 is composed of a skeleton and a seal ring coated on the skeleton, which is formed by a high temperature extrusion injection molding process.
实施例1Example 1
该密封圈由以下原料组合制成，按重量百分比计：The seal is made up of the following combinations of raw materials, by weight:
第一密封件350的表面阻值在10的6次方，使得第一密封件350具有良好的防静电性能，同时具有良好的阻燃防爆的性能。The surface resistance of the first sealing member 350 is at the sixth power of 10, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
实施例2Example 2
该密封圈由以下原料组合制成，按重量百分比计：The seal is made up of the following combinations of raw materials, by weight:
第一密封件350的表面阻值在10的7次方，使得第一密封件350具有良好的防静电性能，同时具有良好的阻燃防爆的性能。The surface resistance of the first sealing member 350 is at the seventh power of 10, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
实施例3Example 3
该密封圈由以下原料组合制成，按重量百分比计：The seal is made up of the following combinations of raw materials, by weight:
第一密封件350的表面阻值在10的7.5次方，使得第一密封件350具有良好的防静电性能，同时具有良好的阻燃防爆的性能。The surface resistance of the first sealing member 350 is 10 7.5 volts, so that the first sealing member 350 has good antistatic performance while having good flame retardant performance.
以上显示和描述了本申请的基本原理和主要特征和本申请的优点。本行业的技术人员应该了解，本申请不受上述实施例的限制，上述实施例和说明书中描述的只是说明本申请的原理，在不脱离本申请精神和范围的前提下，本申请还会有各种变化和改进，这些变化和改进都落入要求保护的本申请范围内。本申请要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the foregoing embodiments, and the description of the embodiments and the description are only to explain the principles of the present application. Various changes and modifications are intended to fall within the scope of the appended claims. The scope of the claims is defined by the appended claims and their equivalents.
Claims (5)
- 一种安装有高密封性能轴承的托辊，包括：A roller equipped with a high sealing performance bearing, comprising:一筒体，所述筒体的两端形成有一轴承座安装部；a cylinder body, a bearing seat mounting portion is formed at both ends of the cylinder body;分别安装在所述筒体的轴承座安装部内的轴承座；Bearing housings respectively mounted in the bearing housing mounting portions of the barrel;分别安装在所述轴承座内的轴承，所述轴承包括轴承内圈、轴承外圈、一设置在所述轴承内圈与轴承外圈之间的保持架以及若干设置在所述轴承内圈与轴承外圈之间且位于所述保持架的球兜内的滚珠；以及Bearings respectively mounted in the bearing housing, the bearing includes a bearing inner ring, a bearing outer ring, a cage disposed between the bearing inner ring and the bearing outer ring, and a plurality of inner rings disposed in the bearing Balls between the outer races of the bearing and located within the pocket of the cage;一托辊轴，所述托辊轴通过所述轴承安装在所述筒体的中心位置且沿轴向贯通所述筒体；其特征在于，a roller shaft, the roller shaft being mounted at a center position of the cylinder through the bearing and penetrating the cylinder body in the axial direction;所述轴承还包括一可拆卸地安装在所述轴承内圈的外侧端面上的第一密封件，所述第一密封件沿径向延伸并将所述轴承外圈的外侧端面包覆住且所述第一密封件与所述轴承外圈的外侧端面之间几乎不形成接触。The bearing further includes a first seal detachably mounted on an outer end surface of the bearing inner ring, the first seal extending radially and covering an outer end surface of the bearing outer ring and The first seal has little contact with the outer end surface of the bearing outer ring.
- 如权利要求1所述的安装有高密封性能轴承的托辊，其特征在于，在所述第一密封件朝向所述轴承内圈的端面上设置有一环形轴向唇边，在所述轴承内圈的外侧端面上形成有一环形唇口，所述第一密封件的环形轴向唇边卡接在所述轴承内圈的外侧端面上形成的环形唇口内。A roller equipped with a high-sealing performance bearing according to claim 1, wherein an annular axial lip is disposed in an end surface of said first seal toward said bearing inner ring, in said bearing An annular lip is formed on the outer end surface of the ring, and the annular axial lip of the first seal is snapped into the annular lip formed on the outer end surface of the bearing inner ring.
- 如权利要求1所述的安装有高密封性能轴承的托辊，其特征在于，在所述轴承内圈与轴承外圈之间的内侧端面上设置有第二密封件。A roller equipped with a high-sealing performance bearing according to claim 1, wherein a second seal member is provided on an inner end surface between the bearing inner ring and the bearing outer ring.
- 如权利要求1所述的安装有高密封性能轴承的托辊，其特征在于，所述保持架采用工程塑料制成。A roller mounted with a high-sealing bearing according to claim 1, wherein the retainer is made of engineering plastic.
- 如权利要求1至4中任一项所述的高密封性的托辊专用轴承，其特征在于，所述第一密封件由骨架以及包覆在所述骨架上的密封圈构成，所述密封圈通过高温挤出注塑成型工艺制成，所述密封圈由以下原料组合制成，按重量百分比计：The high-tightness roller-type bearing according to any one of claims 1 to 4, wherein the first seal member is composed of a skeleton and a seal ring coated on the skeleton, the seal The rings are made by a high temperature extrusion injection molding process, which is made up of the following combinations of raw materials, by weight:
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424296.3A CN107161637A (en) | 2017-06-07 | 2017-06-07 | A kind of carrying roller for being provided with high sealing performance bearing |
| CN201710424296.3 | 2017-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018223985A1 true WO2018223985A1 (en) | 2018-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2018/090104 WO2018223985A1 (en) | 2017-06-07 | 2018-06-06 | Roller equipped with high sealing performance bearing |
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| Country | Link |
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| CN (1) | CN107161637A (en) |
| WO (1) | WO2018223985A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161637A (en) * | 2017-06-07 | 2017-09-15 | 赵红平 | A kind of carrying roller for being provided with high sealing performance bearing |
| CN107255116A (en) * | 2017-06-07 | 2017-10-17 | 赵红平 | A kind of Special bearing for carrier rollers of high sealing performance |
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| CN107161637A (en) | 2017-09-15 |
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