CN109940545B - Bearing mounting device - Google Patents
Bearing mounting device Download PDFInfo
- Publication number
- CN109940545B CN109940545B CN201910353337.3A CN201910353337A CN109940545B CN 109940545 B CN109940545 B CN 109940545B CN 201910353337 A CN201910353337 A CN 201910353337A CN 109940545 B CN109940545 B CN 109940545B
- Authority
- CN
- China
- Prior art keywords
- iron core
- bearing
- ram
- conducting strip
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000005266 casting Methods 0.000 claims abstract 2
- 230000005389 magnetism Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 244000188472 Ilex paraguariensis Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides a bearing installer, which belongs to the technical field of bearing installation tools and comprises an insulating shell, an electromagnet, a bearing pressing piece and a ram; a smooth bore is arranged in the insulating shell, and a first conducting sheet and a second conducting sheet are arranged at the closed end of the smooth bore; the ram is arranged in the sliding chamber, the outer wall of the ram is connected with the second conducting strip, and one end part of the ram is provided with a conducting contact; the electromagnet comprises an iron core, a coil, a power supply and a switch; the iron core and the first conductive sheet are respectively positioned at two ends of the ram, and a connecting spring is arranged between the iron core and the ram; one end of the coil is connected with the first conducting strip, the other end of the coil is connected with the negative electrode of the power supply, and the positive electrode of the power supply is connected with the second conducting strip; the bearing casting die sets up in insulating housing's open end, and one end and iron core swing joint, the other end is used for cooperating with the terminal surface of bearing. According to the bearing installer provided by the invention, the bearing is pressed by adopting an electromagnetic mode, the bearing stress is uniform, and the installation process of the bearing does not need manual knocking, so that the safety of staff is protected.
Description
Technical Field
The invention belongs to the technical field of bearing installation tools, and particularly relates to a bearing installer.
Background
In order to install the bearing on the outer side of the shaft or the inner side of the hole through interference fit, the end face of the bearing needs to be uniformly forced, in the prior art, the force applied to the end face of the bearing is manually knocked, the force application is not uniform easily, and the hand is easily injured by mistake in the manual knocking mode.
Disclosure of Invention
The invention aims to provide a bearing installer which solves the technical problems that in the prior art, manual knocking force application is uneven and hands are easy to crush.
In order to achieve the above purpose, the invention adopts the following technical scheme: a bearing installer comprising:
the insulation shell is internally provided with a sliding chamber, one end of the sliding chamber is open, the other end of the sliding chamber is closed, and the closed end of the sliding chamber is provided with a first conducting strip and a second conducting strip;
the ram is arranged in the sliding chamber, the outer wall of the ram is connected with the second conducting strip, and one end part of the ram is provided with a conducting contact which is contacted with or separated from the first conducting strip; the ram is a conductor;
the electromagnet comprises an iron core arranged in the sliding chamber, a coil wound on the iron core, a power supply electrically connected with the coil and a switch; the iron core and the first conductive sheet are respectively positioned at two ends of the ram, and a connecting spring is arranged between the iron core and the ram; one end of the coil is connected with the first conducting strip, the other end of the coil is connected with the negative electrode of the power supply, and the positive electrode of the power supply is connected with the second conducting strip; the switch is arranged between the negative electrode of the power supply and the coil;
and the bearing pressing piece is arranged at the opening end of the insulating shell, one end part of the bearing pressing piece is movably connected with the iron core, and the other end part of the bearing pressing piece is used for being matched with the end face of the bearing.
Further, the bearing pressing piece is a sleeve, and the outer diameter of the sleeve is larger than the caliber of the sliding bore.
Further, a first mounting groove for accommodating the connecting spring is formed in the end portion, close to the iron core, of the plunger, a second mounting groove for accommodating the connecting spring is formed in the end portion, close to the plunger, of the plunger, and the first mounting groove and the second mounting groove are coaxially arranged.
Further, an insulating sleeve is arranged on the inner wall of the first mounting groove, and the connecting spring is connected with the insulating sleeve.
Further, a buffer pad is arranged at the end part of the hammer, which is close to the iron core.
Further, the end part of the bearing pressing piece, which is close to the iron core, is provided with a connecting rod, the side wall of the connecting rod is provided with external threads, the end part of the iron core is provided with a slot matched with the connecting rod, and the inner wall of the slot is provided with internal threads matched with the external threads of the connecting rod.
Further, the iron core is a silicon steel piece.
The bearing installer provided by the invention has the beneficial effects that: compared with the prior art, the bearing installer disclosed by the invention has the advantages that the electromagnet and the ram are arranged in the insulating shell, the ram is a conductor and is used as a part of an electromagnet loop, the switch is turned on, the electromagnet loop is turned on, the iron core instantly obtains magnetism, the ram is adsorbed, the ram moves along the sliding bore towards the iron core under the magnetic adsorption effect and impacts the iron core, the iron core and the bearing pressing piece arranged at the outer end part of the iron core displace and press the bearing under the impact effect, the conductive contact at the inner end part of the ram is separated from the first conductive sheet in the moving process of the ram towards the iron core, the electromagnet loop is turned off, the iron core loses magnetism, the ram moves away from the iron core under the elastic force of the connecting spring and is contacted with the first conductive sheet again, the iron core regains magnetism, the ram impacts the iron core again, and reciprocates, the iron core and the bearing pressing piece obtain continuous impact, the impact on the bearing is even, the bearing is stressed, and the installation process of the bearing does not need manual impact, and the safety of workers is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an internal structure of a bearing installer according to an embodiment of the present invention;
wherein, each reference sign in the figure:
1. an insulating housing; 2. an iron core; 21. a second mounting groove; 22. a slot; 3. a coil; 4. a storage battery; 5. a switch; 6. a bearing press; 61. a connecting rod; 7. a bearing; 8. a ram; 81. a cushion pad; 82. a first mounting groove; 83. an insulating sleeve; 84. a conductive contact; 9. a first conductive sheet; 10. a second conductive sheet; 11. tail grooves; 12. and a connecting spring.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, a description will now be given of a bearing installer provided by the present invention. The bearing installer comprises an insulating shell 1, an electromagnet, a bearing pressing piece 6 and a ram 8, wherein the outer shape of the insulating shell 1 is similar to a pistol, the insulating shell is L-shaped and comprises a long side part and a short side part which are vertically arranged, a smooth bore is formed in the long side part of the insulating shell, one end of the smooth bore is open, the other end of the smooth bore is closed, the cross section of the smooth bore is circular, an iron core 2 of the electromagnet is also cylindrical, the iron core 2 is arranged in the smooth bore, the outer end part of the iron core 2 is flush with the opening of the smooth bore, the diameter of the iron core 2 is slightly smaller than the inner diameter of the smooth bore, and the iron core 2 can axially move in the smooth bore. The bearing pressing piece 6 is used for applying force to the bearing 7, the bearing pressing piece 6 is arranged at the opening of the insulating shell 1 and is positioned outside the insulating shell 1, the inner end part of the bearing pressing piece 6 is detachably connected with the iron core 2, the outer end part of the bearing pressing piece 6 is matched with the end face of the bearing 7, and different bearing pressing pieces 6 can be replaced for different types of bearings 7. The hammer 8 is also arranged in the sliding chamber, the hammer 8 is also in a cylindrical shape, the diameter of the hammer 8 is the same as that of the iron core 2, the hammer 8 and the iron core 2 are coaxially arranged, the hammer 8 is made of iron and is an electric good conductor, a conductive contact 84 is arranged at the inner end part of the hammer 8, a tail groove 11 is arranged at the tail part of the long side part of the insulating shell 1, a first conductive sheet 9 is arranged in the tail groove 11, the first conductive sheet 9 is connected with one end of the coil 3 of the electromagnet through a wire, and when the inner end part of the hammer 8 is attached to the bottom surface of the sliding chamber, the conductive contact 84 is attached to the first conductive sheet 9. The insulating housing 1 is provided with a second conducting strip 10 in the short side part, one end of the second conducting strip 10 is fixed on the inner wall of the insulating housing 1, the other end is pressed on the side wall of the ram 8, when the ram 8 moves along the sliding bore axial direction, the second conducting strip 10 is always contacted with the second conducting strip 10, the power supply of the electromagnet is a storage battery 4 fixed inside the short side part of the insulating housing 1, the second conducting strip 10 is connected to the positive electrode of the storage battery 4 through a wire, the negative electrode of the storage battery 4 is connected to the switch 5 through a wire, the other end of the switch 5 and the coil 3 are connected through a wire, the coil 3, the first conducting strip 9, the ram 8, the second conducting strip 10, the storage battery 4, the switch 5 and the wire form a conducting loop of the electromagnet, the switch 5 is fixed on the outer wall of the short side part of the insulating housing 1, and the switch 5 can be pressed by holding the short side part of the insulating housing 1, so that the on-off of the electromagnet is realized. A connecting spring 12 is arranged between the hammer 8 and the iron core 2, one end of the connecting spring 12 is connected to the outer end part of the hammer 8, the other end of the connecting spring 12 is connected to the inner end part of the iron core 2, the connecting spring 12 is in a natural state when the iron core 2 has no magnetic force, the hammer 8 is positioned at the innermost part of the sliding chamber, the connecting spring 12 is in a compressed state when the iron core 2 obtains the magnetic force, the hammer 8 is attracted to move towards the iron core 2, the iron core 2 loses the magnetic force, and the hammer 8 returns to the original position under the action of the elastic force of the connecting spring 12. In order to ensure that the spring force of the connecting spring 12 can return the ram 8 to its original position, a plurality of springs may be provided side by side.
Compared with the prior art, the bearing installer provided by the invention has the advantages that the electromagnet and the ram 8 are arranged in the insulating shell 1, the ram 8 is a conductor, the switch 5 is turned on as a part of an electromagnet loop, the electromagnet loop is turned on, the iron core 2 instantly obtains magnetism, the ram 8 is adsorbed, the ram 8 moves towards the iron core 2 along the sliding bore under the action of magnetic adsorption and impacts the iron core 2, the iron core 2 and the bearing pressing piece 6 arranged at the outer end of the iron core 2 displace and press the bearing 7 under the action of impact, in the process of moving the ram 8 towards the iron core 2, the conductive contact 84 at the inner end of the ram 8 is separated from the first conductive sheet 9, the electromagnet loop is disconnected, the iron core 2 loses magnetism, the ram 8 moves away from the iron core 2 under the action of the elasticity of the connecting spring 12 and contacts with the first conductive sheet 9 again, the iron core 2 regains magnetism, the ram 8 impacts the iron core 2 again, and reciprocates, the iron core 2 and the bearing pressing piece 6 obtain continuous impact to pulse impact the bearing 7, the bearing 7 is uniformly stressed, and the installation process of the bearing 7 does not need to be knocked manually, thereby protecting the safety of workers.
As a specific embodiment of the bearing installer provided by the invention, the bearing 7 is generally sleeved on the shaft or installed in the shaft hole, the bearing pressing piece 6 is provided as a sleeve, one end of the shaft can be sleeved in, the end part of the bearing pressing piece 6 can be attached to the end surface of the bearing 7, the bearing pressing piece 6 is arranged outside the insulating shell 1, the outer diameter of the bearing pressing piece 6 is larger than the caliber of the sliding chamber, and the movement of the iron core 2 towards the inside of the sliding chamber can be limited after the bearing pressing piece 6 is connected with the iron core 2.
As a specific embodiment of the bearing installer provided by the invention, in order to prevent the connecting spring 12 from being bent in the compression process, a first installation groove 82 is provided at the outer end portion of the ram 8, the inner diameter of the first installation groove 82 is slightly larger than the outer diameter of the connecting spring 12, correspondingly, a second installation groove 21 is provided at the inner end portion of the iron core 2, the inner diameter of the second installation groove 21 is slightly larger than the outer diameter of the connecting spring 12, the second installation groove 21 and the first installation groove 82 are coaxially arranged, and after the connecting spring 12 is arranged in the first installation groove 82 and the second installation groove 21, the connecting spring 12 is in a natural state, and the ram 8 and the iron core 2 are separated by a certain distance.
As a specific embodiment of the bearing installer provided by the invention, the insulating sleeve 83 is sleeved on the inner wall of the first installation groove 82, the connecting spring 12 is connected to the insulating sleeve 83, and when the hammer 8 is electrified, the insulating sleeve 83 isolates the electrified hammer 8 from the connecting spring 12, so that current is prevented from being transmitted to the iron core 2 through the connecting spring 12 to electrify the iron core 2, and the performance of the electromagnet is prevented from being influenced.
As a specific embodiment of the bearing installer provided by the invention, the ram 8 reciprocates in the sliding chamber and continuously impacts the bottom of the sliding chamber, and a circle of buffer pad 81 is arranged at the inner end part of the ram 8, so that the impact of the ram 8 can be buffered, and the insulating shell 1 can be protected.
As a specific embodiment of the bearing installer provided by the invention, the connection mode of the bearing pressing piece 6 and the iron core 2 is detachable connection, and the specific connection mode is as follows: a connecting rod 61 is arranged at the inner end part of the bearing pressing piece 6, a slot 22 matched with the connecting rod 61 is arranged at the outer end part of the iron core 2 corresponding to the position of the connecting rod 61, external threads are arranged on the side wall of the connecting rod 61, internal threads matched with the external threads of the connecting rod 61 are arranged in the slot 22, and the bearing pressing piece 6 is connected and fastened with the iron core 2 through threads.
As a specific embodiment of the bearing installer provided by the invention, in order to demagnetize the electromagnet immediately after power failure, silicon steel with higher demagnetization is adopted as the iron core 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. Bearing installer, its characterized in that includes:
the insulation shell is internally provided with a sliding chamber, one end of the sliding chamber is open, the other end of the sliding chamber is closed, and the closed end of the sliding chamber is provided with a first conducting strip and a second conducting strip;
the ram is arranged in the sliding chamber, the outer wall of the ram is connected with the second conducting strip, and one end part of the ram is provided with a conducting contact which is contacted with or separated from the first conducting strip; the hammer is a conductor and always contacts with the second conductive sheet when moving along the sliding bore axial direction;
the electromagnet comprises an iron core arranged in the sliding chamber, a coil wound on the iron core, a power supply electrically connected with the coil and a switch; the iron core and the first conductive sheet are respectively positioned at two ends of the ram, and a connecting spring is arranged between the iron core and the ram; one end of the coil is connected with the first conducting strip, the other end of the coil is connected with the negative electrode of the power supply, and the positive electrode of the power supply is connected with the second conducting strip; the switch is arranged between the negative electrode of the power supply and the coil; in the process of moving the hammer to the iron core, a conductive contact at the inner end part of the hammer is separated from the first conductive sheet, the electromagnet loop is disconnected, the iron core loses magnetism, the hammer moves away from the iron core under the action of the elastic force of the connecting spring and contacts with the first conductive sheet again, the iron core regains magnetism, and the hammer bumps to the iron core again;
the bearing pressing piece is arranged at the opening end of the insulating shell, one end part of the bearing pressing piece is movably connected with the iron core, and the other end part of the bearing pressing piece is used for being matched with the end face of the bearing;
the end of the ram, which is close to the iron core, is provided with a buffer cushion.
2. The bearing installer of claim 1 wherein: the bearing pressing piece is a sleeve, and the outer diameter of the sleeve is larger than the caliber of the smooth bore.
3. The bearing installer of claim 1 wherein: the end of the ram, which is close to the iron core, is provided with a first mounting groove for accommodating the connecting spring, the end of the iron core, which is close to the ram, is provided with a second mounting groove for accommodating the connecting spring, and the first mounting groove and the second mounting groove are coaxially arranged.
4. A bearing installer according to claim 3, wherein: the inner wall of the first mounting groove is provided with an insulating sleeve, and the connecting spring is connected with the insulating sleeve.
5. The bearing installer of claim 1 wherein: the end that the bearing casting die is close to the iron core is equipped with the connecting rod, the lateral wall of connecting rod is equipped with the external screw thread, the tip of iron core be equipped with the slot that the connecting rod matees, the inner wall of slot be equipped with the external screw thread assorted internal screw thread of connecting rod.
6. The bearing installer of any one of claims 1-5 wherein: the iron core is a silicon steel piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353337.3A CN109940545B (en) | 2019-04-29 | 2019-04-29 | Bearing mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353337.3A CN109940545B (en) | 2019-04-29 | 2019-04-29 | Bearing mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109940545A CN109940545A (en) | 2019-06-28 |
| CN109940545B true CN109940545B (en) | 2024-01-26 |
Family
ID=67016622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353337.3A Active CN109940545B (en) | 2019-04-29 | 2019-04-29 | Bearing mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109940545B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788968A (en) * | 1985-07-24 | 1988-12-06 | Institute Mashinovedeniya Imeni Blagonravova A.A. An Ussr | Electromagnetic vibrator |
| CN106584069A (en) * | 2016-12-22 | 2017-04-26 | 宁波鑫邦粉末冶金有限公司 | Bearing installation device |
| CN106670774A (en) * | 2017-03-08 | 2017-05-17 | 升华电梯有限公司 | Tool used for installing bearing clamping rings and use method |
| CN106763210A (en) * | 2016-12-22 | 2017-05-31 | 宁波鑫邦粉末冶金有限公司 | Fast Installation bearing |
| CN106763158A (en) * | 2016-12-22 | 2017-05-31 | 宁波鑫邦粉末冶金有限公司 | A kind of Fast Installation bearing |
| CN107363046A (en) * | 2017-06-29 | 2017-11-21 | 中国二十冶集团有限公司 | Electromagnetic type hydraulic pipeline vibrator |
| CN209903098U (en) * | 2019-04-29 | 2020-01-07 | 中国长城葡萄酒有限公司 | Bearing mounting device |
-
2019
- 2019-04-29 CN CN201910353337.3A patent/CN109940545B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788968A (en) * | 1985-07-24 | 1988-12-06 | Institute Mashinovedeniya Imeni Blagonravova A.A. An Ussr | Electromagnetic vibrator |
| CN106584069A (en) * | 2016-12-22 | 2017-04-26 | 宁波鑫邦粉末冶金有限公司 | Bearing installation device |
| CN106763210A (en) * | 2016-12-22 | 2017-05-31 | 宁波鑫邦粉末冶金有限公司 | Fast Installation bearing |
| CN106763158A (en) * | 2016-12-22 | 2017-05-31 | 宁波鑫邦粉末冶金有限公司 | A kind of Fast Installation bearing |
| CN106670774A (en) * | 2017-03-08 | 2017-05-17 | 升华电梯有限公司 | Tool used for installing bearing clamping rings and use method |
| CN107363046A (en) * | 2017-06-29 | 2017-11-21 | 中国二十冶集团有限公司 | Electromagnetic type hydraulic pipeline vibrator |
| CN209903098U (en) * | 2019-04-29 | 2020-01-07 | 中国长城葡萄酒有限公司 | Bearing mounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109940545A (en) | 2019-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2925023B1 (en) | Multifunctional device used for assembling and testing driven-by-wire headset | |
| CN203277745U (en) | Plug against electric shock | |
| CN104841840B (en) | A kind of portable dual coil electromagnetic riveting set | |
| CN207024066U (en) | A kind of medical hammer | |
| CN110932015A (en) | Air conditioner is socket for power convenient to plug and pull out and prevent mistake and pull out | |
| CN109940545B (en) | Bearing mounting device | |
| CN210616410U (en) | Automatic center punching device | |
| CN111509484A (en) | Plug and socket with overload protection function | |
| CN209903098U (en) | Bearing mounting device | |
| WO2021237878A1 (en) | Relay having high reliability and high vibration resistance | |
| CN211507521U (en) | Automobile starter electromagnetic switch convenient to adjust adsorption force | |
| CN204204768U (en) | A kind of time delay disconnect and electric car charger | |
| CN203733653U (en) | Novel stroke switch of garage door | |
| CN209896008U (en) | Reset tripping mechanism | |
| CN113871784A (en) | Battery fixing device and electronic product | |
| CN211879311U (en) | Structure of heavy elastic safety unit | |
| CN112271113A (en) | Relay capable of preventing contact adhesion | |
| CN202948886U (en) | Integral movable iron core structure of electromagnetic switch for new energy automobile | |
| CN208014615U (en) | A kind of electromagnetic switch | |
| CN205487962U (en) | Low pressure contactor with prevent bouncer | |
| CN208167274U (en) | A kind of sewing device damping solenoid valve | |
| CN215021986U (en) | Fascia gun | |
| CN210575639U (en) | Control wire harness with microswitch | |
| CN203536295U (en) | A connector assembly of an insulating pull rod | |
| CN214541781U (en) | Armature stopping structure of electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |