CN217765381U - Double-row tapered roller bearing sealing performance detection tool - Google Patents
Double-row tapered roller bearing sealing performance detection tool Download PDFInfo
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- CN217765381U CN217765381U CN202221649303.2U CN202221649303U CN217765381U CN 217765381 U CN217765381 U CN 217765381U CN 202221649303 U CN202221649303 U CN 202221649303U CN 217765381 U CN217765381 U CN 217765381U
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Abstract
The utility model belongs to the technical field of bearing detection, in particular to a double-row tapered roller bearing sealing performance detection tool, which comprises an upper end cover, a lower end cover and a pull rod for connecting the upper end cover and the lower end cover; the upper end cover is matched with one end of the inner diameter of the bearing inner ring through the annular spigot, the lower end cover is matched with the other end of the inner diameter of the bearing inner ring through the annular spigot, the upper end cover, the lower end cover and the inner diameter of the bearing inner ring are enclosed to form a sealed cavity, a pipe joint connected with an external air pipe is arranged on the upper end cover or the lower end cover, and the pipe joint is communicated to the sealed cavity. The utility model discloses detecting the frock and enclosing through upper end cover, lower extreme cover and bearing inner race internal diameter and closing formation seal chamber, guaranteeing the gas tightness of its inside cavity, ventilate the coupling, observe whether the bearing leaks gas, finally realize the test of the whole sealing performance of bearing.
Description
Technical Field
The utility model belongs to the technical field of the bearing detects, concretely relates to double-row tapered roller bearing sealing performance detects frock.
Background
The double-row tapered roller bearing hub unit adopts a full-sealed design, and is directly exposed in the external environment during working, and simultaneously can be invaded by muddy water and dust, so that the requirement on the sealing performance is high. Therefore, the sealing design of the bearing ensures that the inner space of the bearing has good sealing performance, and simultaneously ensures the sealing between the two ends of the inner ring of the bearing and the matching of the axle. Therefore, a tool for detecting the sealing performance of the double-row tapered roller bearing is needed.
Disclosure of Invention
According to the requirement to double-row tapered roller bearing sealing performance among the above-mentioned prior art, the utility model aims at providing a double-row tapered roller bearing sealing performance detects frock tests the whole sealing performance of bearing, guarantees the sealing performance of bearing.
In order to achieve the above object, the utility model adopts the following technical scheme: a double-row tapered roller bearing sealing performance detection tool comprises an upper end cover, a lower end cover and a pull rod, wherein the pull rod is connected with the upper end cover and the lower end cover; the upper end cover is matched with one end of the inner diameter of the bearing inner ring through the annular spigot, the lower end cover is matched with the other end of the inner diameter of the bearing inner ring through the annular spigot, the upper end cover, the lower end cover and the inner diameter of the bearing inner ring are enclosed to form a sealed cavity, a pipe joint connected with an external air pipe is arranged on the upper end cover or the lower end cover, and the pipe joint is communicated to the sealed cavity.
Based on the above technical scheme, it should be noted that the bearing inner ring is a split inner ring, and a gap is formed between the two inner rings.
Furthermore, the upper end cover and the lower end cover are provided with corresponding through holes, the diameters of the through holes are matched with the diameter of the pull rod, the pull rod penetrates through the two through holes and is in sliding connection with the upper end cover and the lower end cover, and the two ends of the pull rod are provided with fasteners for locking the upper end cover and the lower end cover.
Further, a hanging ring is connected to the fastening piece.
Furthermore, through hole sealing rings are arranged between the pull rod and the upper end cover and between the pull rod and the lower end cover.
Furthermore, the fastener comprises a fixed end head and a connecting seat, wherein the fixed end head is arranged at one end of the pull rod and abuts against the surface of one side, far away from the annular spigot, of the lower end cover; the other end of the pull rod is connected with a connecting seat through threads, and the connecting seat is screwed through threads and abuts against the surface of one side, far away from the annular spigot, of the upper end cover.
Furthermore, the connecting seat is connected to the outer wall of the pull rod through an internal thread, and the connecting seat is connected with a hanging ring through a bolt.
Furthermore, a through hole sealing ring is arranged between a through hole in one side, far away from the annular spigot, of the lower end cover and the fixed end, a through hole sealing ring is arranged between a through hole in one side, far away from the annular spigot, of the upper end cover and the connecting seat, and the two through hole sealing rings are sleeved on the outer wall of the pull rod.
Further, the through hole sealing ring is an O-shaped sealing ring.
Furthermore, an end face seal ring is arranged at the matching position of the annular spigot of the upper end cover and the inner diameter of the bearing inner ring, and an end face seal ring is arranged at the matching position of the annular spigot of the lower end cover and the inner diameter of the bearing inner ring.
Furthermore, the detection tool supports the whole bearing workpiece through a bearing inner ring, and the bearing workpiece is hoisted in water through the detection tool.
The beneficial effects of the utility model are that: the utility model discloses detecting the frock and enclosing through upper end cover, lower extreme cover and bearing inner race internal diameter and closing formation seal chamber, guaranteeing the gas tightness of its inside cavity, ventilate the coupling, observe whether the bearing leaks gas, finally realize the test of the whole sealing performance of bearing.
Drawings
FIG. 1 is a schematic view of the structure of the inspection tool of the present invention;
in the figure: 1. connecting seat, 2, upper end cover, 3, lower end cover, 4, pull rod, 5, coupling, 6, rings, 7, through-hole sealing washer, 8, end face sealing washer, 9, fixed end, 10, bearing.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to the attached figure 1, the double-row tapered roller bearing sealing performance detection tool comprises an upper end cover 2, a lower end cover 3 and a pull rod 4 for connecting the upper end cover and the lower end cover; the upper end cover 2 is matched with one end of the inner diameter of the bearing inner ring through the annular spigot, the lower end cover 3 is matched with the other end of the inner diameter of the bearing inner ring through the annular spigot, the upper end cover 2, the lower end cover 3 and the inner diameter of the bearing inner ring are enclosed to form a sealed cavity, a pipe joint 5 connected with an external air pipe is arranged on the upper end cover 2 or the lower end cover 3, and the pipe joint 5 is communicated to the sealed cavity. The detection tool supports the whole bearing workpiece through the bearing inner ring, and the bearing workpiece is hoisted in water through the detection tool.
Based on above-mentioned technical scheme, it is required to explain, the utility model is suitable for a double-row tapered roller bearing gas tightness of split type inner circle detects, has the clearance between two inner circles, through seal and aerify in its cavity at the inner circle both ends, inside gas gets into the bearing from two inner circle junctions, detects sealed and the bearing internal seal between bearing inner circle both ends and axletree cooperation simultaneously. Wherein end face seal 8 is bearing structure itself, and when the bearing was installed, sealed through end face seal 8 to bearing inner race both ends and axletree clearance between, consequently this frock can detect end face seal 8's sealing performance simultaneously.
Based on above-mentioned technical scheme, it is required to explain, the utility model discloses detect the frock and enclose through upper end cover 2, lower end cover 3 and bearing inner circle internal diameter and close and form seal chamber, guarantee the gas tightness of its inside cavity, ventilate coupling 5, soak whole device in aqueous simultaneously, observe whether the bearing leaks gas, finally realize the test of bearing overall sealing performance.
Furthermore, the upper end cover 2 and the lower end cover 3 are provided with corresponding through holes, the diameters of the through holes are matched with the diameter of the pull rod 4, the pull rod 4 penetrates through the two through holes and is in sliding connection with the upper end cover 2 and the lower end cover 3, one end of the pull rod 4 is provided with a fixed end head 9, and the fixed end head 9 is pressed on the surface of one side, far away from the annular seam allowance, of the lower end cover; the other end of the pull rod 4 is connected with a connecting seat 1 through threads, and the connecting seat 1 is screwed through threads and abuts against the surface of one side, far away from the annular spigot, of the upper end cover 2.
Further, connecting seat 1 passes through the outer wall of female connection at pull rod 4, has rings 6 through bolted connection on connecting seat 1, will detect frock and bearing work piece hoist and mount in aqueous through rings 6.
Further, a through hole sealing ring 7 is arranged between a through hole on one side, far away from the annular spigot, of the lower end cover 3 and the fixed end 9, a through hole sealing ring 7 is arranged between a through hole on one side, far away from the annular spigot, of the upper end cover 2 and the connecting seat 1, and the two through hole sealing rings 7 are sleeved on the outer wall of the pull rod 4. The through hole sealing ring 7 is an O-shaped sealing ring.
Furthermore, an end face seal ring 8 is arranged at the matching position of the annular spigot of the upper end cover 2 and the inner diameter of the bearing inner ring, and an end face seal ring 8 is arranged at the matching position of the annular spigot of the lower end cover 3 and the inner diameter of the bearing inner ring.
Based on the technical scheme, it needs to be explained that the upper end cover 2, the lower end cover 3 and the inner diameter of the bearing inner ring are sealed through the two through hole sealing rings 7 and the two end face sealing rings 8, so that the air tightness of a sealing cavity is ensured, and the reliability of a detection result is ensured.
The device mainly comprises a connecting seat 1, an upper end cover 2, a lower end cover 3 and a pull rod 4. When the device is used, the upper end cover 2 and the lower end cover 3 are respectively installed in an upper aperture and a lower aperture of a bearing, the pull rod 4 penetrates through holes in the two end covers from bottom to top, an O-shaped sealing ring is arranged at the contact part of the pull rod and the through hole on the outer side of the lower end cover to ensure the air tightness of an inner cavity of the pull rod, a threaded hole is formed in the connecting seat, the connecting seat 1 with a hanging ring is screwed at the top and is screwed at the tail end of the upper part of the pull rod, the O-shaped sealing ring is arranged at the contact position of the connecting seat 1 and the through hole on the outer side of the upper end cover to ensure the air tightness of the inner cavity of the connecting seat, after the connecting seat is screwed, a pipe joint is ventilated, the whole device is immersed in water, whether the bearing leaks air or not is observed, and finally the test of the whole sealing performance of the bearing is realized.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a double-row tapered roller bearing sealing performance detects frock which characterized in that: comprises an upper end cover, a lower end cover and a pull rod for connecting the upper end cover and the lower end cover; the upper end cover is matched with one end of the inner diameter of the bearing inner ring through the annular spigot, the lower end cover is matched with the other end of the inner diameter of the bearing inner ring through the annular spigot, the upper end cover, the lower end cover and the inner diameter of the bearing inner ring are enclosed to form a sealed cavity, a pipe joint connected with an external air pipe is arranged on the upper end cover or the lower end cover, and the pipe joint is communicated to the sealed cavity.
2. The double-row tapered roller bearing sealing performance detection tool according to claim 1, characterized in that: the upper end cover and the lower end cover are provided with corresponding through holes, the diameters of the through holes are matched with the diameter of the pull rod, the pull rod penetrates through the two through holes and is in sliding connection with the upper end cover and the lower end cover, and fasteners for locking the upper end cover and the lower end cover are arranged at two ends of the pull rod.
3. The double-row tapered roller bearing sealing performance detection tool according to claim 2, characterized in that: the fastener is connected with a hanging ring.
4. The double-row tapered roller bearing sealing performance detection tool according to claim 2, characterized in that: through hole sealing rings are arranged between the pull rod and the upper end cover and between the pull rod and the lower end cover.
5. The tool for detecting the sealing performance of the double-row tapered roller bearing according to claim 2, 3 or 4, wherein: the fastener comprises a fixed end head and a connecting seat, wherein the fixed end head is arranged at one end of the pull rod, and the fixed end head is pressed against the surface of one side, far away from the annular seam allowance, of the lower end cover; the other end of the pull rod is connected with a connecting seat through threads, and the connecting seat is screwed through threads and abuts against the surface of one side, far away from the annular spigot, of the upper end cover.
6. The double-row tapered roller bearing sealing performance detection tool according to claim 5, characterized in that: the connecting seat is connected to the outer wall of the pull rod through internal threads, and the connecting seat is connected with a hanging ring through a bolt.
7. The double-row tapered roller bearing sealing performance detection tool according to claim 5, characterized in that: a through hole sealing ring is arranged between a through hole in one side, far away from the annular spigot, of the lower end cover and the fixed end, a through hole sealing ring is arranged between a through hole in one side, far away from the annular spigot, of the upper end cover and the connecting seat, and the two through hole sealing rings are sleeved on the outer wall of the pull rod.
8. The double-row tapered roller bearing sealing performance detection tool according to claim 7, characterized in that: the through hole sealing ring is an O-shaped sealing ring.
9. The double-row tapered roller bearing sealing performance detection tool according to claim 1, characterized in that: an end face sealing ring is arranged at the matching position of the annular spigot of the upper end cover and the inner diameter of the bearing inner ring, and an end face sealing ring is arranged at the matching position of the annular spigot of the lower end cover and the inner diameter of the bearing inner ring.
10. The double-row tapered roller bearing sealing performance detection tool according to claim 1, characterized in that: the detection tool supports the whole bearing workpiece through the bearing inner ring, and the bearing workpiece is hoisted in water through the detection tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221649303.2U CN217765381U (en) | 2022-06-29 | 2022-06-29 | Double-row tapered roller bearing sealing performance detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221649303.2U CN217765381U (en) | 2022-06-29 | 2022-06-29 | Double-row tapered roller bearing sealing performance detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217765381U true CN217765381U (en) | 2022-11-08 |
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ID=83896518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221649303.2U Active CN217765381U (en) | 2022-06-29 | 2022-06-29 | Double-row tapered roller bearing sealing performance detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217765381U (en) |
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2022
- 2022-06-29 CN CN202221649303.2U patent/CN217765381U/en active Active
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