CN110715771A - Equipment for detecting sealing performance of bearing sealing ring during operation in water - Google Patents
Equipment for detecting sealing performance of bearing sealing ring during operation in water Download PDFInfo
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- CN110715771A CN110715771A CN201911117061.5A CN201911117061A CN110715771A CN 110715771 A CN110715771 A CN 110715771A CN 201911117061 A CN201911117061 A CN 201911117061A CN 110715771 A CN110715771 A CN 110715771A
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- water tank
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rolling Contact Bearings (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses equipment for detecting the sealing performance of a bearing sealing ring in water, which comprises a steel plate base, wherein the steel plate base is provided with a groove; the water tank is arranged on the steel plate base, and a through hole is arranged on one side of the water tank in a penetrating manner; the first support, the second support, the third support and the fourth support are fixedly arranged on the steel plate base, the fourth support is positioned in the water tank, and the rest three supports are positioned outside the water tank; the testing mandrel sequentially passes through the upper part of the third support, the through hole of the water tank and the upper part of the fourth support, the testing mandrel is connected with the upper part of the third support through a lining bearing, and the testing mandrel is connected with the upper part of the fourth support through a testing bearing; and the electric main shaft is arranged on the first support and the second support, an output shaft of the electric main shaft is fixedly connected with the test mandrel, and the frequency converter is connected with the electric main shaft. The electric spindle is used as a power source, the frequency converter is used as an adjusting device, the test mandrel is driven to rotate, and therefore the bearing is driven to rotate.
Description
Technical Field
The invention relates to the technical field of bearing equipment, in particular to equipment for detecting the sealing performance of a bearing sealing ring during working in water.
Background
In the bearing seal ring production process, the waterproof performance of the bearing seal ring is often detected, but at present, the static waterproof performance of the bearing seal ring is mainly detected by soaking the bearing in water, and the waterproof test machine for the bearing seal ring bearing in operation does not exist temporarily, so that the dynamic waterproof test requirement cannot be accurately simulated.
To foretell problem, chinese patent application No. 201320264966.7 discloses a bearing seal circle waterproof testing machine, the on-line screen storage device comprises a base, the base on fixed motor, an experimental dabber is connected through a belt to the output shaft of motor, experimental dabber wear to establish on the bearing frame, just experimental dabber with the bearing frame connect through an experimental bearing, the bearing frame on be provided with the nozzle, the nozzle connect the water pipe. The motor rotates and drives the test mandrel to rotate, then the test bearing works, namely is in a dynamic state, the bearing is sprayed with water through the nozzle at the moment, the dynamic working state is simulated, the waterproof performance of the bearing is detected, the effect of conveniently detecting the dynamic waterproof performance is achieved, the operation is simple and convenient, and the bearing universality is higher. However, the patent has some problems as follows:
1. the water-proof sealing effect of the bearing is detected by spraying water when the bearing rotates by using the nozzle, but the bearing is only partially positioned in a water environment, and the water-proof sealing detection effect of the bearing is not obvious;
2. the waterproof sealing effect of the bearing in water with different depths cannot be detected;
3. the rotation speed of the bearing in the test is constant, and the waterproof sealing effect of the bearing at different rotation speeds cannot be detected;
4. in the bearing waterproof sealing detection, the test of the bearing under the operation of different axialities is also very important, and the patent can not carry out the bearing waterproof sealing detection under the operation of different axialities.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the waterproof sealing detection effect of bearing to prior art existence is not significant, can't be in different degree of depth aquatic, detect the waterproof sealing effect's of bearing problem under different rotational speed and different axialities, and provide the equipment of the leakproofness of detection bearing sealing washer during operation in aqueous, this equipment not only can detect the bearing under water, but also can detect the sealed effect of bearing sealing washer when different rotational speeds under water, the sealed effect of sealing washer under different water pressure and the sealed effect of sealing washer when the operation of different axialities.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
an apparatus for detecting the sealing performance of a bearing sealing ring during operation in water, comprising:
a steel plate base arranged horizontally;
the water tank is arranged on the steel plate base and positioned on one side of the steel plate base, a through hole is formed in one side of the water tank, and water is injected into the water tank to the depth required by the test;
the support group is fixedly arranged on the steel plate base and comprises a first support, a second support, a third support and a fourth support, wherein the fourth support is positioned in the water tank, and the rest three supports are positioned outside the water tank;
the testing mandrel sequentially penetrates through the upper part of the third support, the through hole of the water tank and the upper part of the fourth support, the testing mandrel is connected with the upper part of the third support through a lining bearing, and the testing mandrel is connected with the upper part of the fourth support through a testing bearing; and
the electric spindle is arranged on the first support and the second support, an output shaft of the electric spindle is fixedly connected with the test mandrel and drives the test mandrel to rotate, and the frequency converter is connected with the electric spindle and controls the electric spindle to perform frequency conversion motion.
In a preferred embodiment of the invention, the water tank is provided with a left sealing ring and a right sealing ring at the through hole, the inner diameter of the left sealing ring and the inner diameter of the right sealing ring are equal to the diameter of the through hole of the tank body, and the left sealing ring and the right sealing ring are clamped on the wall of the water tank through fasteners so that the left sealing ring and the right sealing ring are coaxially arranged with the through hole of the tank body.
In a preferred embodiment of the present invention, an annular groove is formed on a side of the left and right sealing rings contacting the wall of the water tank, and a rotary shaft lip-shaped sealing ring is disposed in the annular groove.
In a preferred embodiment of the present invention, the side of the left and right sealing rings contacting with the wall of the water tank is provided with an O-ring.
In a preferred embodiment of the present invention, the outer peripheries of the left and right sealing rings and the bottom of the water tank are coated with a layer of sealant.
In a preferred embodiment of the present invention, the bottom ends of the first support, the second support, the third support and the fourth support are connected with a hexagon bolt, the hexagon bolt penetrates through the steel plate base to be connected with a hexagon nut disposed below the steel plate base in a matching manner, and the height of the hexagon bolt corresponding to each support can be adjusted.
In a preferred embodiment of the invention, the end of the output shaft of the electric main shaft and the end of the test mandrel close to the electric main shaft are provided with a coupling, and the two couplings are connected through a hemp rope.
In a preferred embodiment of the invention, the test mandrel is provided with a locking nut at the end that passes through one end of the fourth abutment.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the electric spindle is used as a power source, the frequency converter is used as an adjusting device, the shaft coupling is connected with the test mandrel, the test mandrel is driven to rotate, so that the bearing is driven to rotate, the rotating speed of the bearing can be adjusted, and the whole structure is compact, simple and practical;
2. the left sealing ring, the right sealing ring, the rotary shaft lip-shaped sealing ring and the O-shaped sealing ring are used for blocking water in the water tank from flowing out;
3. the test bearing is completely immersed in water, the detection effect is more correct and real, and the water level of the water tank is adjustable, so that different pressures are generated on the test bearing, and the sealing effect of the sealing ring of the bearing under different water pressures can be detected;
4. by adjusting the relative heights of the third support and the fourth support, the test of the bearing under different axialities can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view at i of fig. 1.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, the apparatus for detecting the sealing performance of a bearing seal ring during operation in water includes a steel plate base 100, a water tank 200, a support set, a test mandrel 400, a test bearing 510, a lining bearing 520, left and right seal rings 610 and 620, a point main shaft 700, and a frequency converter 800.
The steel plate base 100 is horizontally arranged, the water tank 200 is arranged on the right side of the steel plate base 100, sealant is coated at the bottom of the water tank 200 to prevent the water tank 200 from seeping, and a through hole 210 is formed in the left side of the water tank 200. The support group includes first support 310, second support 320, third support 330 and fourth support 340, and the bottom of first support 310, second support 320, third support 330 and fourth support 340 all is connected with a hex bolts 350, and hex bolts 350 pass steel sheet base 100, and the fixed hex nuts 360 of being connected with hex bolts 350 cooperation that is provided with in steel sheet base 100 below, the height of the adjustable support of hex bolts 350. The fourth mount 340 is located inside the water tank 200, and the first mount 310, the second mount 320, and the third mount 330 are located outside the water tank 200.
The test mandrel 400 sequentially passes through the upper part of the third support 330, the through hole 210 of the water tank 200 and the upper part of the fourth support 340, wherein the test mandrel 400 is connected with the upper part of the third support 330 through a lining bearing 520, the test mandrel 400 is connected with the upper part of the fourth support 340 through a test bearing 510, a locking nut 410 is arranged at the right end part of the test mandrel 400, the test bearing 510 is fastened on the test mandrel 400 through the locking nut 410, and the test mandrel 400 rotates to drive the test bearing 510 and the lining bearing 520 to rotate simultaneously.
The electric spindle 700 is mounted on the first support 310 and the second support 320, and in order to enable the output shaft 710 of the electric spindle 700 to be better connected with the test mandrel 400, a coupling 720 is arranged at the end part of the output shaft 710 of the electric spindle 700, correspondingly, a coupling 420 is also arranged at the left end part of the test mandrel 400, and the couplings 720 and 420 are fixedly connected together after being penetrated by the hemp rope 900. The frequency converter 800 is connected with the electric spindle 700 and controls the electric spindle 700 to perform frequency conversion movement.
In order to prevent the water in the water tank 200 from flowing out of the through-hole 210 of the water tank 200, referring to fig. 2, the left and right packing rings 610 and 620 have an inner diameter equal to the diameter of the through-hole 210, and are clamped on the wall of the water tank 200 at the through-hole 210 such that the left and right packing rings 610 and 620 are coaxially disposed with the through-hole 210 of the tank 200 and fixed on the wall of the water tank 200 by the hexagonal bolt 630 in cooperation with the hexagonal nut 640. An annular groove 611 is formed in one side, which is in contact with the wall of the water tank 200, of the left sealing ring 610, a rotary shaft lip-shaped sealing ring 612 is arranged in the annular groove 611, and an O-shaped sealing ring 613 is further arranged on one side, which is in contact with the wall of the water tank 200, of the left sealing ring; accordingly, the right sealing ring 620 is provided with an annular groove 621 at a side contacting the wall of the water tank 200, a rotary shaft lip-shaped sealing ring 622 is provided in the annular groove 621, and an O-ring 623 is further provided at a side contacting the wall of the water tank 200. So that the sealing effect is better, and a layer of sealant is coated on the peripheries of the left and right sealing rings 610 and 620.
When the test bearing 510 is detected, water is firstly injected into the water tank 200, and different pressures are generated on the test bearing 510 due to the height of the water level in the water tank 200, so that the sealing effect of the test bearing 510 under different water pressures can be detected; starting the electric main shaft 700, driving the test mandrel 400 to rotate by the electric main shaft 700 under the action of the couplings 720 and 420, so that the test bearing 510 rotates, and meanwhile, controlling the rotation speed of the electric main shaft 700 by the frequency converter 800, so that the sealing effect of the seal rings of the test bearing 510 at different rotation speeds in water can be detected; and the sealing effect of the sealing ring of the test bearing 400 under different axial degrees can be realized by adjusting the relative heights of the third support 330 and the fourth support 340.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a detect equipment of bearing seal circle leakproofness when aquatic work which characterized in that includes:
a steel plate base arranged horizontally;
the water tank is arranged on the steel plate base and positioned on one side of the steel plate base, a through hole is formed in one side of the water tank, and water is injected into the water tank to the depth required by the test;
the support group is fixedly arranged on the steel plate base and comprises a first support, a second support, a third support and a fourth support, wherein the fourth support is positioned in the water tank, and the rest three supports are positioned outside the water tank;
the testing mandrel sequentially penetrates through the upper part of the third support, the through hole of the water tank and the upper part of the fourth support, the testing mandrel is connected with the upper part of the third support through a lining bearing, and the testing mandrel is connected with the upper part of the fourth support through a testing bearing; and
the electric spindle is arranged on the first support and the second support, an output shaft of the electric spindle is fixedly connected with the test mandrel and drives the test mandrel to rotate, and the frequency converter is connected with the electric spindle and controls the electric spindle to perform frequency conversion motion.
2. The apparatus for testing the sealing performance of the bearing sealing ring during the operation in water as claimed in claim 1, wherein the water tank is provided with left and right sealing rings at the through hole, the inner diameter of the left and right sealing rings is equal to the diameter of the through hole of the tank body, and the left and right sealing rings are clamped on the wall of the water tank by fasteners so that the left and right sealing rings are coaxially arranged with the through hole of the tank body.
3. The apparatus for testing the sealing performance of a bearing sealing ring during operation in water as claimed in claim 2, wherein the side of the left and right sealing rings contacting the wall of the water tank is provided with an annular groove, and the annular groove is provided with a rotary shaft lip-shaped sealing ring.
4. The apparatus for testing the sealing performance of a sealing ring of a bearing in water according to claim 3, wherein an O-ring is disposed on each of the left and right sealing rings contacting with the wall of the water tank.
5. The apparatus for testing the sealing performance of a bearing seal ring during operation in water as claimed in claim 4, wherein a layer of sealant is applied to the outer periphery of said left and right sealing rings and the bottom of said water tank.
6. The apparatus for detecting the sealing performance of the bearing sealing ring during the operation in water as claimed in claim 1, wherein the bottom ends of the first support, the second support, the third support and the fourth support are connected with a hexagon bolt, the hexagon bolt penetrates through the steel plate base to be connected with a hexagon nut arranged below the steel plate base in a matching manner, and the height of the hexagon nut corresponding to each support can be adjusted.
7. The apparatus for testing the sealing performance of a bearing seal ring during operation in water as claimed in any one of claims 1 to 6, wherein the end of the output shaft of said electric spindle and the end of said test mandrel near said electric spindle are each provided with a coupling, said two couplings being connected by a hemp rope.
8. The apparatus for testing the sealing performance of a bearing seal ring during operation in water according to any one of claims 1 to 6, wherein the test mandrel is provided with a lock nut at the end portion passing through one end of the fourth support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117061.5A CN110715771A (en) | 2019-11-15 | 2019-11-15 | Equipment for detecting sealing performance of bearing sealing ring during operation in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117061.5A CN110715771A (en) | 2019-11-15 | 2019-11-15 | Equipment for detecting sealing performance of bearing sealing ring during operation in water |
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| Publication Number | Publication Date |
|---|---|
| CN110715771A true CN110715771A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117061.5A Pending CN110715771A (en) | 2019-11-15 | 2019-11-15 | Equipment for detecting sealing performance of bearing sealing ring during operation in water |
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| Country | Link |
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| CN (1) | CN110715771A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798917A (en) * | 2021-09-13 | 2021-12-17 | 深圳市速锋科技股份有限公司 | Center water outlet electric spindle broach mechanism and method for detecting air tightness of inner cavity of center water outlet electric spindle broach mechanism |
| CN115950629A (en) * | 2023-03-09 | 2023-04-11 | 无锡黎曼机器人科技有限公司 | Fatigue testing device and method for lip-shaped sealing ring of rotating shaft |
-
2019
- 2019-11-15 CN CN201911117061.5A patent/CN110715771A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798917A (en) * | 2021-09-13 | 2021-12-17 | 深圳市速锋科技股份有限公司 | Center water outlet electric spindle broach mechanism and method for detecting air tightness of inner cavity of center water outlet electric spindle broach mechanism |
| CN113798917B (en) * | 2021-09-13 | 2022-12-09 | 深圳市速锋科技股份有限公司 | Center water outlet electric spindle broach mechanism and method for detecting air tightness of inner cavity of center water outlet electric spindle broach mechanism |
| CN115950629A (en) * | 2023-03-09 | 2023-04-11 | 无锡黎曼机器人科技有限公司 | Fatigue testing device and method for lip-shaped sealing ring of rotating shaft |
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Application publication date: 20200121 |
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