CN222528864U - A component for measuring the air tightness of a crossed roller bearing - Google Patents
A component for measuring the air tightness of a crossed roller bearing Download PDFInfo
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- CN222528864U CN222528864U CN202421338533.6U CN202421338533U CN222528864U CN 222528864 U CN222528864 U CN 222528864U CN 202421338533 U CN202421338533 U CN 202421338533U CN 222528864 U CN222528864 U CN 222528864U
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- air tightness
- crossed roller
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Abstract
本实用新型公开了一种用于测量交叉滚子轴承气密性的组件，涉及到轴承检测技术领域，包括：测量压盖和测量压板，测量压板上设置有第一固定件；测量压盖上开设有气管接入口，测量压盖上设置有第二固定件；本实用新型使用时，通过第一固定件将测量压板安装在轴承内圈的侧面，再通过第二固定件将测量压盖安装在轴承外圈的侧面，然后将气管连接在气管接入口，再将整体置于汽油中，通过气管向密闭腔体内通气，观察轴承内圈与轴承外圈之间远离测量压板的一侧连接处以及轴承外圈上的缝隙处是否出现气泡，若出现气泡，则表示气密性差，若未出现气泡，则表示气密性较好，从而完成对交叉滚子轴承的气密性检测，十分便捷，且成本较低。
The utility model discloses a component for measuring the air tightness of a crossed roller bearing, and relates to the technical field of bearing detection, comprising: a measuring pressure cover and a measuring pressure plate, wherein a first fixing member is arranged on the measuring pressure plate; an air pipe access port is opened on the measuring pressure cover, and a second fixing member is arranged on the measuring pressure cover; when the utility model is used, the measuring pressure plate is installed on the side of the inner ring of the bearing through the first fixing member, and then the measuring pressure cover is installed on the side of the outer ring of the bearing through the second fixing member, and then the air pipe is connected to the air pipe access port, and then the whole is placed in gasoline, and air is ventilated into a closed cavity through the air pipe, and it is observed whether bubbles appear at the connection between the inner ring of the bearing and the outer ring of the bearing on the side away from the measuring pressure plate and at the gap on the outer ring of the bearing, if bubbles appear, it indicates that the air tightness is poor, and if no bubbles appear, it indicates that the air tightness is good, thereby completing the air tightness detection of the crossed roller bearing, which is very convenient and low in cost.
Description
Technical Field
The utility model relates to the technical field of bearing detection, in particular to a component for measuring the air tightness of a crossed roller bearing.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy.
A cross roller bearing is a type of bearing, which is a special type of bearing in which an inner ring is divided and an outer ring is rotated, and is generally used as a knuckle bearing in an industrial robot due to its special structure.
In order to prevent dust, moisture and other impurities from entering the bearing and preventing the loss of lubricant in the bearing, the air tightness between the inner ring and the outer ring of the crossed roller bearing needs to be ensured, and in the prior art, when the air tightness of the crossed roller bearing is detected, a bearing air tightness detector is generally adopted for detection, and although the air tightness of the bearing can be detected, the detector has the disadvantages of larger size and higher price and is not suitable for small-batch bearing detection work.
In view of this, there is a need for an assembly for measuring the air tightness of a crossed roller bearing.
Disclosure of Invention
Aiming at the problems of serious abrasion of the electrified carbon brush and poor electrified stability in the prior art when the carbon brush is used for a long time, the utility model solves the problems by using the following technical structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The assembly for measuring the air tightness of the crossed roller bearing comprises a measuring gland and a measuring pressing plate, wherein the diameter of the measuring pressing plate is matched with the outer diameter of the inner ring of the bearing, and a first fixing piece for attaching the measuring pressing plate to one side of the inner ring of the bearing is arranged on the measuring pressing plate;
The bottom of measurement gland has seted up the mounting groove, the external diameter of measurement gland and the adaptation of bearing outer lane external diameter, the last gas pipe mouth that has seted up of measurement gland, gas pipe mouth link up with the mounting groove, be provided with the second mounting with the laminating of measurement gland in bearing outer lane one side on the measurement gland.
Further characterized in that,
And a first sealing ring is arranged on one side of the measuring pressing plate, which is close to the bearing inner ring.
And a first annular groove matched with the first sealing ring is formed in one side, close to the bearing inner ring, of the measuring pressing plate.
And a second sealing ring is arranged on one side of the measuring gland close to the bearing outer ring.
And a second ring groove matched with the second sealing ring is formed in one side, close to the bearing outer ring, of the measuring gland.
The first fixing piece comprises a plurality of first screw rods, and a plurality of first bolt holes matched with the first screw rods are formed in the measuring pressing plate.
The second fixing piece comprises a plurality of second screw rods, and a plurality of second bolt holes matched with the second screw rods are formed in the measuring gland.
When the measuring gland and the measuring pressure plate are arranged on the same side of the bearing inner ring, a gap is reserved between the measuring gland and the measuring pressure plate.
The measuring gland is made of rubber.
The measuring platen is made of rubber.
The structure of the utility model can achieve the following beneficial effects:
During the use, install the measuring pressure board in the side of bearing inner race through first mounting, the rethread second mounting will measure the side of gland at the bearing outer race, measuring gland and measuring pressure board set up in same side, measuring the mounting groove of gland is arranged in to measuring the pressure board, form airtight cavity between measuring the pressure board and the measuring the gland this moment, then connect the trachea at the trachea access, place the whole in petrol again, ventilate in airtight cavity through the trachea, observe whether the bubble appears in the gap department on one side junction and the bearing outer race that keep away from measuring the pressure board between bearing inner race and the bearing outer race, if appear, then show the gas tightness is poor, if do not appear the bubble, then show that the gas tightness is better, thereby accomplish the gas tightness detection to cross roller bearing, this method need not to use the gas tightness detector, can accomplish the gas tightness detection to the bearing, it is very convenient, and the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure, 1, a measuring gland, 11, an installation groove, 12, a gas pipe inlet, 2, a measuring pressure plate, 3, a first sealing ring, 4, a second sealing ring, 5, a first screw rod and 6, a second screw rod.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present utility model and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
The present application will be described in further detail with reference to fig. 1.
The first embodiment, referring to the assembly for measuring the air tightness of the crossed roller bearing shown in FIG. 1, comprises a measuring gland 1 and a measuring pressure plate 2, wherein the diameter of the measuring pressure plate 2 is matched with the outer diameter of the inner ring of the bearing, and a first fixing piece for attaching the measuring pressure plate 2 to one side of the inner ring of the bearing is arranged on the measuring pressure plate 2; the bottom of the measuring gland 1 is provided with a mounting groove 11, the outer diameter of the measuring gland 1 is matched with the outer diameter of the bearing outer ring, the measuring gland 1 is provided with a gas pipe inlet 12, the gas pipe inlet 12 is communicated with the mounting groove 11, the measuring gland 1 is provided with a second fixing piece which is used for attaching the measuring gland 1 to one side of the bearing outer ring, so when in use, the measuring gland 1 is arranged on the side surface of the bearing inner ring through the first fixing piece, the measuring gland 1 and the measuring gland 2 are arranged on the same side through the second fixing piece, the measuring gland 2 is arranged in the mounting groove 1 of the measuring gland 1, at the moment, a closed cavity is formed between the measuring gland 2 and the measuring gland 1 (the top of the joint of the bearing inner ring and the bearing outer ring is positioned at the closed cavity), then the gas pipe is connected with the gas pipe inlet 12, the whole body is placed in the closed cavity and is ventilated through the gas pipe, the bottom of the joint of one side of the bearing inner ring and the bearing outer ring away from the measuring gland 2 (the position shown as the position shown by the reference numeral 7 in figure 1) and the gap position (the position shown by the 8 in the figure 1) on the bearing outer ring are observed, if the air tightness is not detected, if the air tightness is poor, the air tightness is detected by the air tightness detector is not needed, if the air tightness is detected, the air tightness is not detected, and the air tightness is good, if the air tightness is detected is not detected, and the air tightness is better is detected, and the air tightness is not needed, the air tightness detection of the bearing can be completed, the detection is very convenient and fast, and the cost is lower.
Referring to fig. 1, in order to improve the tightness between the measuring pressure plate 2 and the bearing inner ring, a first sealing ring 3 is arranged on one side of the measuring pressure plate 2 close to the bearing inner ring, and in order to facilitate installation of the first sealing ring 3, a first ring groove matched with the first sealing ring 3 is formed on one side of the measuring pressure plate 2 close to the bearing inner ring, and is used for installing the first sealing ring 3, so that the detection efficiency and tightness are improved.
Referring to fig. 1, in order to improve the tightness between the measuring gland 1 and the bearing outer ring, a second sealing ring 4 is arranged on one side of the measuring gland 1 close to the bearing outer ring, and in order to facilitate installation of the second sealing ring 4, a second ring groove matched with the second sealing ring 4 is arranged on one side of the measuring gland 1 close to the bearing outer ring, and is used for installing the second sealing ring 4, so that the detection efficiency and tightness are improved.
Referring to fig. 1, in order to facilitate mounting the measuring platen 2 on the bearing inner ring, the first fixing member includes a plurality of first screw rods 5, and a plurality of first bolt holes adapted to the first screw rods 5 are formed in the measuring platen 2, so that the measuring platen 2 is mounted on one side of the bearing inner ring (a threaded hole is formed in advance on one side of the bearing inner ring) through the first screw rods 5.
Referring to fig. 1, in order to facilitate mounting the measuring gland 1 on the bearing outer ring, the second fixing member includes a plurality of second screw rods 6, and a plurality of second bolt holes adapted to the second screw rods 6 are formed in the measuring gland 1, so that the measuring gland 1 is mounted on the bearing outer ring side (the bearing outer ring side is provided with a threaded hole in advance) through the second screw rods 6.
Referring to fig. 1, when the measuring gland 1 and the measuring pressure plate 2 are disposed on the same side of the bearing inner ring, a gap is left between the measuring gland 1 and the measuring pressure plate 2, or an air passage may be formed on the inner side of the measuring gland 1, so that the gas introduced from the gas pipe inlet 12 may flow to the joint of the bearing outer ring and the bearing inner ring.
Further optimized, the measuring gland 1 and the measuring pressure plate 2 can be made of rubber materials, so that the fit and the tightness between the measuring gland 1 and the bearing outer ring and between the measuring pressure plate 2 and the bearing inner ring are further improved.
In sum, when in use, the measuring pressing plate 2 is arranged on the side surface of the bearing inner ring through the first fixing piece, the measuring pressing plate 1 is arranged on the side surface of the bearing outer ring through the second fixing piece, the measuring pressing plate 1 and the measuring pressing plate 2 are arranged on the same side, the measuring pressing plate 2 is arranged in the mounting groove 1 of the measuring pressing plate 1, at the moment, a closed cavity is formed between the measuring pressing plate 2 and the measuring pressing plate 1, then an air pipe is connected to the air pipe access port 12, the whole body is arranged in gasoline, the air pipe is ventilated into the closed cavity, whether air bubbles appear at the joint of one side of the bearing inner ring and the bearing outer ring far away from the measuring pressing plate 2 and at the gap of the bearing outer ring or not is observed, if the air bubbles appear, the air tightness is poor, if the air tightness is not appears, the air tightness is good, so that the air tightness detection of the crossed roller bearing is completed.
The above is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present utility model are deemed to be included within the scope of the present utility model.
Claims (10)
1. The assembly for measuring the air tightness of the crossed roller bearing is characterized by comprising a measuring gland (1) and a measuring pressing plate (2), wherein the diameter of the measuring pressing plate (2) is matched with the outer diameter of the inner ring of the bearing, and a first fixing piece for attaching the measuring pressing plate (2) to one side of the inner ring of the bearing is arranged on the measuring pressing plate (2);
The measuring gland (1) is characterized in that the bottom of the measuring gland (1) is provided with a mounting groove (11), the outer diameter of the measuring gland (1) is matched with the outer diameter of the bearing outer ring, the measuring gland (1) is provided with a gas pipe inlet (12), the gas pipe inlet (12) is communicated with the mounting groove (11), and the measuring gland (1) is provided with a second fixing piece which is used for attaching the measuring gland (1) to one side of the bearing outer ring.
2. An assembly for measuring the air tightness of a crossed roller bearing according to claim 1, characterized in that the measuring pressure plate (2) is provided with a first sealing ring (3) on the side close to the inner ring of the bearing.
3. The assembly for measuring the air tightness of the crossed roller bearing according to claim 2, wherein the side, close to the inner ring of the bearing, of the measuring pressing plate (2) is provided with a first annular groove matched with the first sealing ring (3).
4. An assembly for measuring the air tightness of a crossed roller bearing according to claim 1, characterized in that the side of the measuring gland (1) close to the outer ring of the bearing is provided with a second sealing ring (4).
5. An assembly for measuring the air tightness of a crossed roller bearing according to claim 4, characterized in that the side of the measuring gland (1) close to the outer ring of the bearing is provided with a second ring groove adapted to the second sealing ring (4).
6. The assembly for measuring the air tightness of the crossed roller bearing according to claim 1, wherein the first fixing piece comprises a plurality of first screw rods (5), and the measuring pressing plate (2) is provided with a plurality of first bolt holes matched with the first screw rods (5).
7. The assembly for measuring the air tightness of the crossed roller bearing according to claim 1, wherein the second fixing piece comprises a plurality of second screw rods (6), and the measuring gland (1) is provided with a plurality of second bolt holes matched with the second screw rods (6).
8. An assembly for measuring the air tightness of a crossed roller bearing according to claim 1, characterized in that a gap is left between the measuring gland (1) and the measuring pressure plate (2) when the measuring gland (1) and the measuring pressure plate (2) are placed on the same side of the inner ring of the bearing.
9. An assembly for measuring the air tightness of a crossed roller bearing according to claim 1, characterized in that the measuring gland (1) is made of rubber.
10. An assembly for measuring the air tightness of a crossed roller bearing according to claim 1, characterized in that the measuring pressure plate (2) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421338533.6U CN222528864U (en) | 2024-06-12 | 2024-06-12 | A component for measuring the air tightness of a crossed roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421338533.6U CN222528864U (en) | 2024-06-12 | 2024-06-12 | A component for measuring the air tightness of a crossed roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222528864U true CN222528864U (en) | 2025-02-25 |
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ID=94681011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421338533.6U Active CN222528864U (en) | 2024-06-12 | 2024-06-12 | A component for measuring the air tightness of a crossed roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222528864U (en) |
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2024
- 2024-06-12 CN CN202421338533.6U patent/CN222528864U/en active Active
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