CN216433516U - Floating oil seal testing device - Google Patents
Floating oil seal testing device Download PDFInfo
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- CN216433516U CN216433516U CN202122457401.8U CN202122457401U CN216433516U CN 216433516 U CN216433516 U CN 216433516U CN 202122457401 U CN202122457401 U CN 202122457401U CN 216433516 U CN216433516 U CN 216433516U
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Abstract
The utility model relates to a floating oil seal test device, including base, slide mechanism, rotary mechanism, first seat chamber subassembly, mount pad and second seat chamber subassembly. The dynamic floating seal ring and the static floating seal ring of the floating oil seal can be respectively arranged on the main shaft and the mounting seat of the rotating mechanism through the first seat cavity assembly and the second seat cavity assembly. The sliding mechanism acts to drive the rotating mechanism to be close to the mounting seat until the movable floating seal ring is abutted against the end face of the static floating seal ring. The rotating mechanism drives the main shaft to rotate, and therefore a rotation test can be achieved on the floating oil seal. Moreover, the first seat cavity component comprises a plurality of movable seat cavities with different diameters, and can be adapted to movable floating seal rings with various different models, and the second seat cavity component comprises static seat cavities with different diameters, and can be adapted to static floating seal rings with various different models. Therefore, the floating oil seal testing device can test floating oil seals of various different models, and is wide in application range.
Description
Technical Field
The utility model relates to an experimental test technical field, in particular to floating oil seal test device.
Background
The floating oil seal is a special type mechanical seal, is a compact mechanical seal mode developed for adapting to severe working environment, and has the advantages of strong pollution resistance, wear resistance, impact resistance, reliable work, automatic compensation of end surface abrasion, simple structure and the like. In order to facilitate timely maintenance and replacement of floating oil seals in various machines, the degree of abrasion of the floating oil seals in actual working conditions needs to be evaluated, so that an abrasion test needs to be carried out on the floating oil seals.
The existing testing device is characterized in that two floating seal rings of a floating oil seal are respectively arranged in two floating seal seats which are coaxially arranged. After the two floating seal seats are close to each other and the end faces of the two floating seal rings are abutted, one of the floating seal seats starts to rotate so as to carry out simulation. However, the above-described testing apparatus can generally test only one type of floating oil seal, and the diameter of the floating oil seal is required to be small, and the application range thereof is limited.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a floating oil seal testing device with a wider application range in order to solve the above problems.
A floating oil seal testing device comprises:
a base;
a sliding mechanism;
the rotating mechanism is arranged at the driving end of the sliding mechanism and comprises a main shaft;
the first seat cavity assembly is matched with the main shaft and comprises a plurality of movable seat cavities which are coaxially and detachably nested, and each movable seat cavity can be provided with a movable floating seal ring;
the mounting seat is mounted on the base and arranged at intervals with the rotating mechanism in a first direction; and
the second seat cavity assembly is matched with the mounting seat and comprises a plurality of coaxial static seat cavities which are detachably nested, and each static seat cavity can be provided with a static floating seal ring;
the sliding mechanism can drive the rotating mechanism to slide along the first direction, so that the movable floating seal ring and the static floating seal ring are close to or far away from each other.
In one embodiment, the sliding mechanism includes a first sliding assembly and a second sliding assembly installed at a driving end of the first sliding assembly, the first sliding assembly can drive the second sliding assembly to slide along a first direction, and the rotating mechanism is installed at the driving end of the second sliding assembly and can slide along a second direction perpendicular to the first direction under the driving of the second sliding assembly.
In one embodiment, the rotation mechanism is capable of rotating about a shaft extending in a third direction perpendicular to the first and second directions.
In one embodiment, the sliding mechanism further includes a third sliding assembly, the third sliding assembly is mounted at the driving end of the second sliding assembly and can slide along the second direction under the driving of the second sliding assembly, the rotating mechanism is mounted at the moving end of the third sliding assembly, and the third sliding assembly allows the rotating mechanism to slide along the first direction.
In one embodiment, the first sliding assembly comprises a first guide rail, a first sliding seat and a motor lead screw pair, wherein the first sliding seat is slidably arranged on the first guide rail and can slide along the first guide rail under the driving of the motor lead screw pair;
the second sliding assembly comprises a second guide rail and a second sliding seat, the second guide rail is fixed on the first sliding seat, and the second sliding seat is slidably arranged on the second guide rail;
the third sliding assembly comprises a third guide rail and a third sliding seat, the third guide rail is fixed on the second sliding seat, the third sliding seat is slidably arranged on the third guide rail, and the rotating mechanism is rotatably arranged on the third sliding seat.
In one embodiment, the device further comprises a pressure sensor, a fixed end of the pressure sensor is fixed to the second sliding base, and a measuring end of the pressure sensor abuts against the third sliding base.
In one embodiment, the second sliding assembly further includes a horizontal adjustment screw, and the horizontal adjustment screw rotates to drive the third sliding seat to move along the second direction.
In one embodiment, the device further comprises an angular offset adjusting screw rod, wherein the angular offset adjusting screw rod rotates to drive the rotating mechanism to rotate around the rotating shaft.
In one embodiment, the device further comprises a temperature sensor, and a probe of the temperature sensor can extend into any one of the static seat cavities.
In one embodiment, two opposite sides of the mounting seat are respectively provided with mounting stations for mounting the static and floating seal ring, each mounting station is matched with the second seat cavity assembly, the sliding mechanisms and the rotating mechanisms are respectively provided with two groups, and the two rotating mechanisms are respectively located at two sides of the mounting seat.
According to the floating oil seal testing device, the movable floating seal ring and the static floating seal ring of the floating oil seal can be respectively installed on the main shaft and the installation seat of the rotating mechanism through the first seat cavity assembly and the second seat cavity assembly. The sliding mechanism acts to drive the rotating mechanism to be close to the mounting seat until the movable floating seal ring is abutted against the end face of the static floating seal ring. The rotating mechanism drives the main shaft to rotate, and therefore a rotation test can be achieved on the floating oil seal. Moreover, the first seat cavity component comprises a plurality of movable seat cavities with different diameters, and can be adapted to movable floating seal rings with various different models, and the second seat cavity component comprises static seat cavities with different diameters, and can be adapted to static floating seal rings with various different models. Therefore, the floating oil seal testing device can test floating oil seals of various different models, and is wide in application range.
Drawings
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a floating oil seal testing device according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the floating oil seal testing apparatus shown in FIG. 1;
FIG. 3 is an assembly diagram of a dynamic floating seal ring and a static floating seal ring when the floating oil seal is in a first working condition;
FIG. 4 is an assembly diagram of the dynamic floating seal ring and the static floating seal ring when the floating oil seal is in the second working condition;
FIG. 5 is an assembly diagram of a dynamic floating seal ring and a static floating seal ring when the floating oil seal is in a third working condition;
FIG. 6 is an assembly diagram of a dynamic floating seal ring and a static floating seal ring when the floating oil seal is in a fourth working condition;
FIG. 7 is a partial schematic view of the floating oil seal testing apparatus in a first use state;
fig. 8 is a partial schematic view of the floating oil seal testing device in a second use state.
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.
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.
Referring to fig. 1 and 2, a floating oil seal testing apparatus 10 according to a preferred embodiment of the present invention includes a base 100, a sliding mechanism 200, a rotating mechanism 300, a first housing assembly 700, a mounting base 400, and a second housing assembly 800.
The base 100 serves as a support and may be a metal plate-like structure. The sliding mechanism 200, the rotating mechanism 300, and the mounting base 400 are mounted on the base 100. Specifically, the sliding mechanism 200 is disposed on the base 100, the rotating mechanism 300 is mounted on the driving end of the sliding mechanism 200, and the mounting seat 400 is mounted on the base 100 and spaced apart from the rotating mechanism 300.
The rotary mechanism 300 includes a main shaft 310, and the first housing assembly 700 is mated with the main shaft 310. The first housing assembly 700 includes a plurality of movable housing cavities 710 that are coaxially and detachably nested, and each movable housing cavity 710 can be provided with a movable floating seal ring 21.
As shown in fig. 4 to 6, the floating oil seal to be tested comprises a dynamic floating seal ring 21 and a static floating seal ring 22. During the test, the dynamic floating seal ring 21 is installed in the dynamic seat cavity 710 with the matched size, so the dynamic floating seal ring 21 can be driven by the main shaft 310 to rotate. Specifically, the rotating mechanism 300 generally includes a motor and a speed reducer, and the main shaft 310 is disposed at an output end of the speed reducer. Therefore, under the same output power, the main shaft 310 can obtain larger torque, which is beneficial to driving the dynamic floating seal ring 21 with larger size to rotate.
Specifically, the diameters of the plurality of movable seat cavities 710 are in a gradual change trend, and each movable seat cavity 710 can be correspondingly provided with a movable floating seal ring 21 of a certain floating oil seal of a specific type. In the test, after the movable seat cavity 710 matching with the size of the movable floating seal ring 21 is selected, the other movable seat cavities 710 outside the matched movable seat cavity 710, i.e., the movable seat cavities 710 with larger diameters than the matched movable seat cavity 710, can be sequentially detached to expose the matched movable seat cavity 710. Therefore, the floating oil seal testing device 10 can be applied to tests of floating oil seals of different models, and is wide in application range.
As shown in fig. 7, when a small-sized floating oil seal is tested, the movable seat chamber 710 with the movable floating seal ring 21 can be directly assembled on the main shaft 310.
When a large-size floating oil seal is tested, as shown in fig. 8, the movable seat cavity 710 provided with the movable floating seal ring 21 is large in size, so that the movable seat cavity is not convenient to be directly assembled on the main shaft 310. At this time, the movable seat cavities 710 with smaller diameters can be assembled on the main shaft 310 in sequence. Then, the movable seat cavity 710 with the movable floating seal ring 21 is installed on the movable seat cavity 710 with the smaller diameter. Therefore, the movable seat cavity 710 provided with the movable floating seal ring 21 is not directly connected with the main shaft 310, and the large-specification floating oil seal can be tested more conveniently through the transition effect of other movable seat cavities 710.
The mount 400 is mounted to the base 100 and spaced apart from the rotation mechanism 300 in the first direction. As shown in fig. 1, the first direction refers to a horizontal direction. Also, the second housing assembly 800 mates with the mount 400. The second housing assembly 800 includes a plurality of coaxial and detachably nested static housing cavities 810, and each static housing cavity 810 can be provided with a static floating seal ring 22.
The second housing assembly 800 and its static housing 810 are structurally and functionally identical to the first housing assembly 700 and the dynamic housing 710, respectively. The second housing assembly 800 is configured to enable the mounting block 400 to be mounted for static and floating seal rings 22 of different sizes. Similarly, the diameters of the plurality of static seat cavities 810 are gradually changed, and each static seat cavity 810 can correspond to the static floating seal ring 22 for installing a certain type of floating oil seal. In the test, after the static seat cavity 810 matching with the size of the static floating seal ring 22 is selected, other static seat cavities 810 outside the matching static seat cavity 810, that is, the static seat cavities 810 with larger diameters than the matching static seat cavity 810, can be sequentially detached to expose the matching static seat cavity 810.
As shown in fig. 7, when testing for a smaller sized floating oil seal, the stationary housing 810 with the stationary floating seal ring 22 mounted thereon may be directly mounted on the mounting 400.
As shown in fig. 8, when testing a floating oil seal with a larger size, the static seat cavity 810 provided with the static floating seal ring 22 is not directly connected with the mounting seat 400, but is assembled with the mounting seat 300 after passing through the other static seat cavities 810.
In the present embodiment, the sliding mechanism 200 includes a first sliding element 210 and a second sliding element 220. The second sliding member 220 is mounted to the driving end of the first sliding member 210, and the rotating mechanism 300 is mounted to the driving end of the second sliding member 220. The first sliding component 210 can drive the second sliding component 220 to slide along a first direction, and the second sliding component 220 can drive the rotating mechanism 300 to slide along a second direction perpendicular to the first direction. As shown in fig. 1, the second direction refers to a direction perpendicular to the plane of the drawing sheet.
In this embodiment, the first sliding assembly 210 includes a first guide rail 211, a first sliding seat 212, and a motor screw pair 213, and the first sliding seat 212 is slidably disposed on the first guide rail 211 and can slide along the first guide rail 211 under the driving of the motor screw pair 213. The first guide rail 211 extends along a first direction, and a servo motor of the motor screw pair 213 can drive the screw to rotate through a speed reducer, so as to drive the first sliding base 212 to slide.
The second sliding assembly 220 includes a second guiding rail 221 and a second sliding base 222, the second guiding rail 221 is fixed to the first sliding base 212, and the second sliding base 222 is slidably disposed on the second guiding rail 221. The second guide rail 221 extends along the second direction, and the second slider 222 may be a plate-shaped structure for supporting.
It should be noted that, in other embodiments, the first sliding member 210 and the second sliding member 220 may have other structures.
Further, in the present embodiment, the rotating mechanism 300 can rotate around a rotating shaft (not shown), and the rotating shaft extends along a third direction perpendicular to the first direction and the second direction. As shown in fig. 1, the third direction refers to a vertical direction, i.e., the rotation axis of the rotation mechanism 300 extends in the vertical direction.
In actual use, the assembly relationship of the floating seal ring 21 and the static floating seal ring 22 has the following three conditions:
as shown in fig. 3, under ideal conditions, the dynamic floating seal ring 21 and the static floating seal ring 22 are coaxially installed;
as shown in fig. 4, the dynamic floating seal ring 21 and the static floating seal ring 22 have small dislocation in the radial direction, and the two are in a non-coaxial state but have parallel central lines;
as shown in fig. 5, the dynamic floating seal ring 21 and the static floating seal ring 22 are not dislocated in the radial direction, and a smaller included angle exists between the end surface of the dynamic floating seal ring 21 and the end surface of the static floating seal ring 22;
as shown in fig. 6, the dynamic floating seal ring 21 and the static floating seal ring 22 are in a non-coaxial installation state due to large error or poor installation. At this time, the dynamic floating seal ring 21 and the static floating seal ring 22 are dislocated in the radial direction, and a small included angle exists between the end face of the dynamic floating seal ring 21 and the end face of the static floating seal ring 22.
When the floating oil seal is tested, the dynamic floating seal ring 21 and the static floating seal ring 22 can be installed in the matched dynamic seat cavity 710 and static seat cavity 810 respectively; then, the first sliding assembly 210 moves to drive the rotating mechanism 300 to approach the mounting seat 400 until the end surface of the floating seal ring 21 abuts against the end surface of the static floating seal ring 22. The rotating mechanism 300 drives the main shaft 310 to rotate, so that a rotation test can be realized on the floating oil seal.
Further, by operating the second slide unit 220, the relative positions of the dynamic floating seal ring 21 and the static floating seal ring 22 can be adjusted in the radial direction, so that the coaxiality of the dynamic floating seal ring 21 and the static floating seal ring 22 is adjusted, and the assembly relationship between the two is sequentially in the state shown in fig. 3 and 4. Further, by rotating the rotation mechanism 300 about the rotation axis, the angle between the end surface of the dynamic floating seal ring 21 and the end surface of the static floating seal ring 22 can be adjusted so that the fitting relationship therebetween is in the state shown in fig. 5 and 6.
Therefore, the floating oil seal testing device 100 can perform rotation tests on floating oil seals in coaxial and non-coaxial states, so that the floating oil seals can be tested under the condition of being closer to the actual working condition, and the accuracy of the test results is improved.
In this embodiment, the sliding mechanism 200 further includes a third sliding assembly 230, the third sliding assembly 230 is mounted at the driving end of the second sliding assembly 220 and can slide along the second direction under the driving of the second sliding assembly 220, the rotating mechanism 300 is mounted at the moving end of the third sliding assembly 230, and the third sliding assembly 230 allows the rotating mechanism 300 to slide along the first direction.
In this way, when the first sliding unit 210 drives the rotating mechanism 300 to slide in the first direction and the floating seal ring 21 mounted on the main shaft 310 is abutted against the floating seal ring 22 mounted on the mounting base 400, the rotating mechanism 300 can perform buffering in the first direction.
Further, in the present embodiment, the third sliding assembly 230 includes a third guiding rail (not shown) and a third sliding base (not shown), the third guiding rail is fixed to the second sliding base 222, the third sliding base is slidably disposed on the third guiding rail, and the rotating mechanism 300 is rotatably mounted on the third sliding base. The third carriage may have the same structure as the first and second carriages 212 and 222.
In this embodiment, the floating oil seal testing apparatus 10 further includes a pressure sensor 500, a fixed end of the pressure sensor 500 is fixed to the second sliding base 222, and a measuring end of the pressure sensor 500 abuts against the third sliding base. When the first slider 212 advances and brings the end face of the floating seal ring 21 into contact with the end face of the static floating seal ring 22, a contact pressure is generated. The pressure is transmitted to the measuring end of the pressure sensor 500 through the main shaft 310 and the third slide seat, so that the pressure between the end surfaces of the dynamic floating seal ring 21 and the static floating seal ring 22 is accurately detected.
In addition, in order to reduce the influence of the rail resistance on the pressure of the end face of the floating oil seal, ball rails having a small friction coefficient are used for the first rail 211, the second rail 221, and the third rail in this embodiment. In addition, in order to prevent dust, the sliding mechanism 200 of the present embodiment further includes a shield (not shown) disposed outside the first sliding unit 210, the second sliding unit 220, and the third sliding unit 230.
In this embodiment, the second sliding assembly 220 further includes a horizontal adjusting screw (not shown), and the horizontal adjusting screw rotates to drive the third sliding seat to move along the second direction.
Specifically, a nut seat may be provided on the third slide seat, and the horizontal adjustment screw may extend in the second direction and be screwed with the nut seat, so that the third slide seat may be driven to move in the second direction when the horizontal adjustment screw is rotated. The horizontal adjusting screw rods are generally arranged in two and are arranged at intervals in the first direction.
In the present embodiment, the floating oil seal testing device 10 further includes an angular offset adjusting screw 600, and the angular offset adjusting screw 600 rotates to drive the rotating mechanism 300 to rotate around the rotating shaft.
Specifically, a double-lug screw frame (not shown) and a single-lug limiting frame (not shown) may be respectively disposed on the third slide and the rotating mechanism 300. The rotation angle is shifted to adjust the screw 600, so that the rotation mechanism 300 can be driven to rotate by a certain angle, and the included angle between the end surface of the dynamic floating seal ring 21 and the end surface of the static floating seal ring 22 can be finely adjusted.
In this embodiment, the floating oil seal testing device 10 further includes a temperature sensor (not shown), and the probe 910 of the temperature sensor can extend into any of the static seat cavities 810. So, when carrying out rotation test, temperature sensor can realize real-time detection to floating oil seal's ring body temperature.
In addition, in the present embodiment, the floating oil seal testing device 10 further includes an oil injection device, and the self-closing quick-change connector 920 of the oil injection device 900 can extend into any one of the static seat cavities 810 and can inject oil into the static seat cavity 810, so as to determine whether the floating oil seal will cause leakage during rotation.
In the floating oil seal testing apparatus 10, the floating seal ring 21 and the static seal ring 22 of the floating oil seal can be respectively mounted on the main shaft 310 and the mounting base 400 of the rotating mechanism 300 through the first housing assembly 700 and the second housing assembly 800. The sliding mechanism 200 can drive the rotating mechanism 300 to approach the mounting seat 400 until the end surface of the floating seal ring 21 abuts against the end surface of the static floating seal ring 22. The rotating mechanism 300 drives the main shaft 310 to rotate, so that a rotation test can be realized on the floating oil seal. Moreover, the first housing assembly 700 includes a plurality of moving housings 710 with different diameters, which can accommodate a plurality of moving floating seal rings 21 with different types, and the second housing assembly 800 includes a plurality of static housings 810 with different diameters, which can accommodate a plurality of static floating seal rings with different types. Therefore, the floating oil seal testing device 10 can test floating oil seals of various different models, and is wide in application range.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a floating oil seal test device which characterized in that includes:
a base;
a sliding mechanism;
the rotating mechanism is arranged at the driving end of the sliding mechanism and comprises a main shaft;
the first seat cavity assembly is matched with the main shaft and comprises a plurality of movable seat cavities which are coaxially and detachably nested, and each movable seat cavity can be provided with a movable floating seal ring;
the mounting seat is mounted on the base and arranged at intervals with the rotating mechanism in a first direction; and
the second seat cavity assembly is matched with the mounting seat and comprises a plurality of coaxial static seat cavities which are detachably nested, and each static seat cavity can be provided with a static floating seal ring;
the sliding mechanism can drive the rotating mechanism to slide along the first direction, so that the movable floating seal ring is close to or far away from the static floating seal ring.
2. The floating oil seal testing device according to claim 1, wherein the sliding mechanism comprises a first sliding assembly and a second sliding assembly mounted at a driving end of the first sliding assembly, the first sliding assembly can drive the second sliding assembly to slide along a first direction, and the rotating mechanism is mounted at the driving end of the second sliding assembly and can slide along a second direction perpendicular to the first direction under the driving of the second sliding assembly.
3. The floating oil seal testing apparatus according to claim 2, wherein said rotation mechanism is capable of rotating about a rotation axis extending in a third direction perpendicular to said first direction and said second direction.
4. The floating oil seal testing device of claim 2, wherein the sliding mechanism further comprises a third sliding assembly, the third sliding assembly is mounted at the driving end of the second sliding assembly and can slide in the second direction under the driving of the second sliding assembly, the rotating mechanism is mounted at the moving end of the third sliding assembly, and the third sliding assembly allows the rotating mechanism to slide in the first direction.
5. The floating oil seal testing device according to claim 4, wherein the first sliding assembly comprises a first guide rail, a first sliding seat and a motor screw pair, the first sliding seat is slidably disposed on the first guide rail and can slide along the first guide rail under the driving of the motor screw pair;
the second sliding assembly comprises a second guide rail and a second sliding seat, the second guide rail is fixed on the first sliding seat, and the second sliding seat is slidably arranged on the second guide rail;
the third sliding assembly comprises a third guide rail and a third sliding seat, the third guide rail is fixed on the second sliding seat, the third sliding seat is slidably arranged on the third guide rail, and the rotating mechanism is rotatably arranged on the third sliding seat.
6. The floating oil seal testing device of claim 5, further comprising a pressure sensor, wherein a fixed end of the pressure sensor is fixed to the second sliding base, and a measuring end of the pressure sensor abuts against the third sliding base.
7. The floating oil seal testing apparatus of claim 5, wherein said second sliding assembly further comprises a horizontal adjustment screw, said horizontal adjustment screw rotating to drive said third carriage to move in said second direction.
8. The floating oil seal testing device according to claim 3, further comprising an angular offset adjusting screw rod which rotates and can drive the rotating mechanism to rotate around the rotating shaft.
9. The floating oil seal testing device of claim 1, further comprising a temperature sensor, wherein a probe of the temperature sensor can extend into any one of the static seat cavities.
10. The floating oil seal testing device according to any one of claims 1 to 9, wherein two opposite sides of the mounting seat are respectively provided with a mounting station for mounting the static floating seal ring, each mounting station is matched with the second seat cavity assembly, the sliding mechanism and the rotating mechanism are respectively provided in two groups, and the two rotating mechanisms are respectively located on two sides of the mounting seat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457401.8U CN216433516U (en) | 2021-10-12 | 2021-10-12 | Floating oil seal testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122457401.8U CN216433516U (en) | 2021-10-12 | 2021-10-12 | Floating oil seal testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222887A (en) * | 2022-12-30 | 2023-06-06 | 天地上海采掘装备科技有限公司 | Multi-bit state testing device and testing method for floating oil seal |
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2021
- 2021-10-12 CN CN202122457401.8U patent/CN216433516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222887A (en) * | 2022-12-30 | 2023-06-06 | 天地上海采掘装备科技有限公司 | Multi-bit state testing device and testing method for floating oil seal |
| CN116222887B (en) * | 2022-12-30 | 2023-09-22 | 天地上海采掘装备科技有限公司 | Multi-bit state testing device and testing method for floating oil seal |
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