CN204202830U - A kind of sealing bearing air-tightness detection device - Google Patents

A kind of sealing bearing air-tightness detection device Download PDF

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Publication number
CN204202830U
CN204202830U CN201420691631.8U CN201420691631U CN204202830U CN 204202830 U CN204202830 U CN 204202830U CN 201420691631 U CN201420691631 U CN 201420691631U CN 204202830 U CN204202830 U CN 204202830U
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CN
China
Prior art keywords
bearing
gas
test
mandrel
holder
Prior art date
Application number
CN201420691631.8U
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Chinese (zh)
Inventor
谷广存
Original Assignee
人本集团有限公司
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Priority to CN201420691631.8U priority Critical patent/CN204202830U/en
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Publication of CN204202830U publication Critical patent/CN204202830U/en

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Abstract

The utility model relates to a kind of sealing bearing air-tightness detection device, comprise support, support is provided with pressurized air generating mechanism, gas-holder and test box, described pressurized air generating mechanism, gas-holder and test box are connected through tracheae, gas path on-off gauge tap is provided with between described pressurized air generating mechanism and gas-holder, tensimeter is provided with between gas-holder and test box, the test bearing be provided with in test box for the assembling of test bearing inner ring location sealing installs mandrel, test box sidewall has the ring seal be sealed and matched with test bearing outer ring and coordinate wall, ring seal coordinates wall corresponding with bearing mounting core shaft position, the inner chamber of test box after tested bearing is separated into the voltage supply chamber with gas-holder UNICOM, and with the discharge chamber of extraneous UNICOM.Compared with prior art, have structure simple, take up room little, cost is low, easy to maintenance, advantage simple to operation for the utility model.

Description

A kind of sealing bearing air-tightness detection device

Technical field

The utility model relates to bearing machining testing techniques of equipment field, and specifically relate to a kind of for detecting the equipment whether bearing leaks gas, specifically a kind of sealing bearing air-leakage test is put.

Background technology

O-ring seal above bearing plays a part dust-proofly even have waterproof, anti-gas-leak (under certain air pressure) for the sealing of bearing.

On market, existing bearing seal somascope is mainly for the production of upper on-line checkingi, and volume takes up room greatly, and will carry out professional training to operating personnel can operate, device structure complex maintenance and maintenance difficult.

Summary of the invention

For the deficiency that prior art exists, it is simple that the purpose of this utility model is to provide a kind of structure, easy to operate sealing bearing air-tightness detection device.

For achieving the above object, the utility model provides following technical scheme: a kind of sealing bearing air-tightness detection device, include support, it is characterized in that: described support is provided with pressurized air generating mechanism, gas-holder and test box, described pressurized air generating mechanism, gas-holder and test box are connected through tracheae, gas path on-off gauge tap is provided with between described pressurized air generating mechanism and gas-holder, tensimeter is provided with between gas-holder and test box, the test bearing be provided with in test box for the assembling of test bearing inner ring location sealing installs mandrel, test box sidewall has the ring seal be sealed and matched with test bearing outer ring and coordinate wall, ring seal coordinates wall corresponding with bearing mounting core shaft position, the inner chamber of test box after tested bearing is separated into the voltage supply chamber with gas-holder UNICOM, and with the discharge chamber of extraneous UNICOM.

Sealing bearing air-tightness detection device principle of work of the present utility model is: test bearing to be assembled in test box on relevant position, the inner ring of test bearing is assemblied in test bearing and installs on mandrel and to be sealed and matched, in the outer ring of test bearing and test box, the annular wall that is sealed and matched is sealed and matched, and forms voltage supply chamber and discharge chamber in such test box; Compressed air generating mechanism, to insufflation gas in gas-holder, after insufflation gas reaches certain pressure, closes gas path on-off gauge tap; Then formed in the voltage supply chamber of gas-holder and test box communicate, the pneumatic supply acted in test bearing, gas-holder ensures that air pressure supply is reliable, improves detecting reliability, by the impermeability level of manometric indicating value change discriminating test bearing; And if test bearing sealing is poor, then voltage supply intracavity gas leaks to discharge chamber, and drains into the external world, avoids leaking air pressure and exists testing result reliability effect.Have structure simple, take up room little, cost is low, easy to maintenance, advantage simple to operation.

The utility model is set to further: the upper cover that described test box includes cylindrical shell, lid is located at cylindrical shell top and lid are located at the lower cover of cylinder body bottom, there is in described cylindrical shell described ring seal and coordinate wall, cover on described and be provided with the tank connected air admission hole with gas storage, air admission hole is provided with gas-tpe fitting, and described test bearing installation mandrel is arranged on down and covers.

By adopting technique scheme, when test bearing assembling and dismounting, test box can be opened, be convenient to fixedly being assemblied in test box of test bearing, and the dismounting of test box and assembly operation are conveniently.

The utility model is set to further: described test bearing is installed mandrel and comprised mandrel body, mandrel body is Step Shaft, spacing axial plane is formed between the path shaft part of mandrel body and large footpath shaft part, the path shaft part of mandrel body is provided with threaded hole, bolt is provided with in threaded hole, bolt is arranged with gland, forms the binding groove being fixed test bearing between described gland and spacing axial plane, the path shaft part of mandrel body is provided with the O-ring seal be sealed and matched with test bearing inner ring.

By adopting technique scheme, test bearing mounting core axle construction is simple, and simply, after the installation of test bearing inner ring, sealing is reliable, and test bearing is reliably fastening for test bearing assembling and convenient disassembly.

The utility model is set to further: described O-ring seal is between the path shaft part end and gland of mandrel body.

By adopting technique scheme, O-ring seal disassembling, assembling and replacing is convenient, and O-ring seal is between the path shaft part end and gland of mandrel body, namely through gland fixed seal ring, O-ring seal fixation is reliable, and O-ring seal coordinates with gland press seal simultaneously, makes sealing more reliable.

The utility model is set to further: the ring seal in described cylindrical shell coordinates wall to be provided with O RunddichtringO.

By adopting technique scheme, test bearing outer ring coordinates wall to seal reliably with ring seal.

The utility model is set to further: described pressurized air generating mechanism includes the mounting bracket be fixed on support, and the filtrator, air compressor, the pressure regulator valve that are arranged on mounting bracket, filtrator is connected with air compressor, pressure regulator valve is connected with air compressor, and pressure regulator valve is connected with gas path on-off gauge tap.

By adopting technique scheme, air compressor fills pressurized air in gas-holder, and filtrator ensures that the air entered is clean, and pressure regulator valve plays a very good protection.

Below in conjunction with accompanying drawing, the utility model is further described.

Accompanying drawing explanation

Fig. 1 is the utility model specific embodiment sealing bearing air-tightness detection device structural representation;

Fig. 2 is the utility model specific embodiment test box structural representation.

Embodiment

See accompanying drawing 1 and accompanying drawing 2, disclosed in the utility model, a kind of sealing bearing air-tightness detection device, includes support 1, and described support 1 is provided with pressurized air generating mechanism 2, gas-holder 3 and test box 4; Described pressurized air generating mechanism 2, gas-holder 3 and test box 4, through tracheae series connection, are provided with gas path on-off gauge tap 5, are provided with tensimeter 6 between gas-holder 3 and test box 4 between described pressurized air generating mechanism 2 and gas-holder 3; The test bearing be provided with in test box 4 for the assembling of test bearing 8 inner ring location sealing installs mandrel 7, test box 4 sidewall has the ring seal be sealed and matched with test bearing 8 outer ring and coordinate wall 40, it is corresponding that mandrel 7 position installed by ring seal cooperation wall 40 and bearing, the inner chamber of test box 4 after tested bearing 8 is separated into the voltage supply chamber 41 with gas-holder 3 UNICOM, and with the discharge chamber 42 of extraneous UNICOM.

In this specific embodiment, the upper cover 44 that described test box 4 includes cylindrical shell 43, lid is located at cylindrical shell 43 top and the lower cover 45 that lid is located at bottom cylindrical shell 43; Reliable for ensureing the sealing in voltage supply chamber, adopt rubber seal to ensure between upper cover 44 and cylindrical shell 43.Have described ring seal in described cylindrical shell 43 and coordinate wall 40, described upper cover 44 is provided with the air admission hole be connected with gas-holder 3, and air admission hole is provided with gas-tpe fitting 441, and described test bearing is installed mandrel 7 and is arranged on lower cover 45.When test bearing assembling and dismounting, test box can be opened, be convenient to fixedly being assemblied in test box of test bearing, and the dismounting of test box and assembly operation are conveniently; During as dismounting and assembling, without the need to being transferred to by the tracheae between gas-holder and test box, make dismounting and the assembly operation convenience of test box.Cylindrical shell 43 sidewall is offered one and is communicated with bleeder port 421 that is extraneous and discharge chamber 42, bleeder port 421 makes the gas leaked in discharge chamber discharge, and bleeder port is offered conveniently.

Wherein, described test bearing is installed mandrel 7 and is comprised mandrel body 71, mandrel body 71 is Step Shaft, spacing axial plane 713 is formed between the path shaft part 711 of mandrel body 71 and large footpath shaft part 712, the path shaft part 711 of mandrel body 71 is provided with threaded hole, threaded hole inward turning is furnished with bolt 72, bolt 72 is arranged with gland 73; Form the binding groove being fixed test bearing 8 between described gland 73 and spacing axial plane 713, the path shaft part 711 of mandrel body 71 is provided with the O-ring seal 74 be sealed and matched with test bearing 8 inner ring; Described O-ring seal 74 is between path shaft part 711 end and gland 72 of mandrel body 71; Such O-ring seal 74 disassembling, assembling and replacing is convenient, and O-ring seal is between the path shaft part end and gland of mandrel body, and namely through gland fixed seal ring, O-ring seal fixation is reliable, and O-ring seal coordinates with gland press seal simultaneously, makes sealing more reliable.During assembling, test bearing 8 is inserted on the path shaft part 711 of mandrel body 71, and screw in and screwing bolts 72, the axial one end of test bearing 8 is spacing through axial confined planes 713, and test bearing 8 other end realizes test bearing through gland 73 compression and is fixed in binding groove; Test bearing mounting core axle construction is simple, and simply, it is reliable that test bearing inner ring installs rear sealing, and test bearing is reliably fastening for test bearing assembling and convenient disassembly.

For ensureing that test bearing outer ring coordinates wall to seal reliably with ring seal, the ring seal in described cylindrical shell 43 coordinates wall 40 to be provided with O RunddichtringO 401; Test bearing 8 collar wall and O RunddichtringO 401 are sealed and matched.

In this specific embodiment, described pressurized air generating mechanism 2 includes the mounting bracket 21 be fixed on support 1, and the filtrator 22, air compressor 23, the pressure regulator valve 24 that are arranged on mounting bracket 21, filtrator 22 is connected with air compressor 23, pressure regulator valve 24 is connected with air compressor 23, and pressure regulator valve 24 is connected with gas path on-off gauge tap 5; Air compressor fills pressurized air in gas-holder, and filtrator ensures that the air entered is clean, and pressure regulator valve plays a very good protection.Wherein, filtrator 22, air compressor 23, pressure regulator valve 24 are the parts that existing market can directly be buied, and directly buy rear direct-assembling and connect, therefore repeat no more its structure.

Sealing bearing air-tightness detection device principle of work of the present utility model is: taken apart by test box 4, test bearing 8 is assembled on the mandrel 7 of lower cover 45, reach test bearing 8 inner ring and mandrel 7 is sealed and matched reliably, the lower cover 45 of dress test bearing 8 is loaded on cylindrical shell 43, test bearing 8 outer ring coordinate with O RunddichtringO 401 realize sealing reliable, cylindrical shell 43 covers upper cover 44, in such test box, form voltage supply chamber 41 and discharge chamber 42;

Open gas path on-off gauge tap 5, compressed air generating mechanism 2, to insufflation gas in gas-holder 3, after insufflation gas reaches certain pressure, closes gas path on-off gauge tap 5; Then formed in the voltage supply chamber 41 of gas-holder 3 and test box 4 communicate, the pneumatic supply acted in test bearing 8.

Wherein, gas-holder ensures that air pressure supply is reliable, improves detecting reliability, by the impermeability level of the indicating value change discriminating test bearing of tensimeter 6; And if test bearing sealing is poor, then voltage supply intracavity gas leaks to discharge chamber, and drains into the external world, avoids leaking air pressure and exists testing result reliability effect.Have structure simple, take up room little, cost is low, easy to maintenance, advantage simple to operation.

Claims (6)

1. a sealing bearing air-tightness detection device, include support, it is characterized in that: described support is provided with pressurized air generating mechanism, gas-holder and test box, described pressurized air generating mechanism, gas-holder and test box are connected through tracheae, gas path on-off gauge tap is provided with between described pressurized air generating mechanism and gas-holder, tensimeter is provided with between gas-holder and test box, the test bearing be provided with in test box for the assembling of test bearing inner ring location sealing installs mandrel, test box sidewall has the ring seal be sealed and matched with test bearing outer ring and coordinate wall, ring seal coordinates wall corresponding with bearing mounting core shaft position, the inner chamber of test box after tested bearing is separated into the voltage supply chamber with gas-holder UNICOM, and with the discharge chamber of extraneous UNICOM.
2. sealing bearing air-tightness detection device according to claim 1, it is characterized in that: the upper cover that described test box includes cylindrical shell, lid is located at cylindrical shell top and lid are located at the lower cover of cylinder body bottom, there is in described cylindrical shell described ring seal and coordinate wall, cover on described and be provided with the tank connected air admission hole with gas storage, air admission hole is provided with gas-tpe fitting, and described test bearing installation mandrel is arranged on down and covers.
3. sealing bearing air-tightness detection device according to claim 2, it is characterized in that: described test bearing is installed mandrel and comprised mandrel body, mandrel body is Step Shaft, spacing axial plane is formed between the path shaft part of mandrel body and large footpath shaft part, the path shaft part of mandrel body is provided with threaded hole, bolt is provided with in threaded hole, bolt is arranged with gland, form the binding groove being fixed test bearing between described gland and spacing axial plane, the path shaft part of mandrel body is provided with the O-ring seal be sealed and matched with test bearing inner ring.
4. sealing bearing air-tightness detection device according to claim 3, is characterized in that: described O-ring seal is between the path shaft part end and gland of mandrel body.
5. sealing bearing air-tightness detection device according to Claims 2 or 3 or 4, is characterized in that: the ring seal in described cylindrical shell coordinates wall to be provided with O RunddichtringO.
6. sealing bearing air-tightness detection device according to claim 1 or 2 or 3 or 4, it is characterized in that: described pressurized air generating mechanism includes the mounting bracket be fixed on support, and the filtrator, air compressor, the pressure regulator valve that are arranged on mounting bracket, filtrator is connected with air compressor, pressure regulator valve is connected with air compressor, and pressure regulator valve is connected with gas path on-off gauge tap.
CN201420691631.8U 2014-11-18 2014-11-18 A kind of sealing bearing air-tightness detection device CN204202830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420691631.8U CN204202830U (en) 2014-11-18 2014-11-18 A kind of sealing bearing air-tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420691631.8U CN204202830U (en) 2014-11-18 2014-11-18 A kind of sealing bearing air-tightness detection device

Publications (1)

Publication Number Publication Date
CN204202830U true CN204202830U (en) 2015-03-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106197892A (en) * 2016-07-30 2016-12-07 沧州惠邦重工装备制造有限公司 A kind of Battery case air tightness detection equipment
CN106595996A (en) * 2016-11-21 2017-04-26 西安航天动力机械厂 Check assembly for hydraulic test of multi-opening disc type piece
US20170343448A1 (en) * 2016-05-27 2017-11-30 Pratt & Whitney Canada Corp. Method for testing a seal of a sealed bearing cavity
CN109506853A (en) * 2018-12-27 2019-03-22 盐城工学院 A kind of automobile bearing sealing ring air-tightness detection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170343448A1 (en) * 2016-05-27 2017-11-30 Pratt & Whitney Canada Corp. Method for testing a seal of a sealed bearing cavity
CN106197892A (en) * 2016-07-30 2016-12-07 沧州惠邦重工装备制造有限公司 A kind of Battery case air tightness detection equipment
CN106197892B (en) * 2016-07-30 2018-09-07 沧州惠邦重工装备制造有限公司 A kind of Battery case air tightness detection equipment
CN106595996A (en) * 2016-11-21 2017-04-26 西安航天动力机械厂 Check assembly for hydraulic test of multi-opening disc type piece
CN106595996B (en) * 2016-11-21 2018-11-09 西安航天动力机械厂 A kind of inspection tooling for the disk miller hydraulic test that more is open
CN109506853A (en) * 2018-12-27 2019-03-22 盐城工学院 A kind of automobile bearing sealing ring air-tightness detection device

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Address after: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China

Patentee after: People oriented Co., Ltd

Address before: 16 No. 325000 Yong Jiang Road, hi tech Industrial Development Zone, Zhejiang, Wenzhou, China

Patentee before: C & U Group Ltd.