CN111043170B - Rolling bearing dismounting tool - Google Patents

Rolling bearing dismounting tool Download PDF

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Publication number
CN111043170B
CN111043170B CN201911407688.4A CN201911407688A CN111043170B CN 111043170 B CN111043170 B CN 111043170B CN 201911407688 A CN201911407688 A CN 201911407688A CN 111043170 B CN111043170 B CN 111043170B
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China
Prior art keywords
rolling bearing
bearing
hole
positioning sleeve
cylindrical pin
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Active
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CN201911407688.4A
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Chinese (zh)
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CN111043170A (en
Inventor
王己锋
黄建龙
李丽霞
张小杭
吴俊春
余滨
卢武宇
邱广阳
张初标
周武
卢永锋
黄清发
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Longyan Tobacco Industry Co Ltd
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Longyan Tobacco Industry Co Ltd
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Priority to CN201911407688.4A priority Critical patent/CN111043170B/en
Publication of CN111043170A publication Critical patent/CN111043170A/en
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Publication of CN111043170B publication Critical patent/CN111043170B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00Relieving load on bearings
    • F16C39/02Relieving load on bearings using mechanical means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The present disclosure relates to a rolling bearing removal tool. Antifriction bearing extracting tool is used for dismantling the antifriction bearing in the bearing hole on the base member, and it includes: the positioning sleeve is used for penetrating the rolling bearing and is provided with an inner hole, and a cylindrical pin capable of radially extending out is arranged on the side part of the positioning sleeve penetrating through the rolling bearing; the ejector rod is movably arranged in the inner hole of the positioning sleeve and used for jacking the cylindrical pin to radially extend out; the cylindrical pin can be abutted against the axial end face of the rolling bearing in the extending state. Through the lateral part at the position sleeve setting can radially stretch out the cylindric lock, the position sleeve passes the antifriction bearing after, the cylindric lock outwards stretches out under the jack-up effect of the ejector pin in the inner bore with antifriction bearing's axial terminal surface butt, antifriction bearing moves outwards together under the butt effect of cylindric lock when pulling back the position sleeve, has realized the dismantlement of antifriction bearing in the blind hole, and can not damage other installation component, has higher feasibility of implementation.

Description

Rolling bearing dismounting tool
Technical Field
The utility model relates to a mechanical extracting tool technical field especially relates to a antifriction bearing extracting tool.
Background
In the maintenance process of the receiving drum of the cigarette making machine, quick-wear parts such as a needle bearing, an oil seal and the like on the drum body need to be replaced due to abrasion, but the needle bearing is tightly installed in a deep blind hole of the drum body, the existing dismounting mode is not only inconvenient to dismount, but also easily damages the inner surface of the blind hole of the drum body with high processing precision, so that the transmission precision of the drum body is reduced, and even the drum body assembly is scrapped, thereby causing great economic loss.
Disclosure of Invention
The inventor researches and finds that the rolling bearing in the blind hole is inconvenient to disassemble and easily damages other installation parts in the related art.
In view of this, the embodiment of the present disclosure provides a rolling bearing dismounting tool, which can solve the problem of difficulty in repairing and dismounting a rolling bearing in a blind hole, and can dismount the rolling bearing conveniently and quickly without damaging an installation component.
The present disclosure provides a rolling bearing dismounting tool for dismounting a rolling bearing in a bearing hole on a substrate, comprising:
the positioning sleeve is used for penetrating the rolling bearing and is provided with an inner hole, and a cylindrical pin capable of radially extending out is arranged on the side part of the positioning sleeve penetrating through the rolling bearing; and
the ejector rod is movably arranged in the inner hole of the positioning sleeve and used for jacking the cylindrical pin to radially extend out;
the cylindrical pin can be abutted against the axial end face of the rolling bearing in the extending state.
In some embodiments, the end part of the ejector rod jacking cylindrical pin protruding radially is a cone or a hemisphere, and the end part of the cylindrical pin abutting against the ejector rod is a hemisphere.
In some embodiments, a return spring is provided on the cylindrical pin for retaining the cylindrical pin within the locating sleeve.
In some embodiments, the cylindrical pins are plural and arranged uniformly in the circumferential direction of the positioning sleeve.
In some embodiments, the positioning sleeve comprises a first-stage cylinder and a second-stage cylinder, the outer diameter of the first-stage cylinder increases along with the outer diameter of the second-stage cylinder, the first-stage cylinder is used for penetrating into the rolling bearing, the first-stage cylinder is in clearance fit with the rolling bearing, the second-stage cylinder is used for penetrating into the bearing hole, and the second-stage cylinder is in clearance fit with the bearing hole.
In some embodiments, the locating sleeve further includes a third step cylinder connected to the second step cylinder and having an outer diameter dimension greater than the bearing bore.
In some embodiments, the third cylinder is machined with parallel cutting planes on opposite radial sides of the third cylinder near the bearing bore.
In some embodiments, the device further comprises a screw rod which is connected with the positioning sleeve in a threaded mode and used for pushing the ejector rod to move in the inner hole of the positioning sleeve.
In some embodiments, the device further comprises a support sleeve, a nut, a thrust bearing and a tightening spring, wherein the positioning sleeve is sleeved in the support sleeve, the screw rod penetrates through the support sleeve and is in threaded connection with the positioning sleeve, the nut is in threaded connection with the screw rod and is rotatably installed on the support sleeve through the thrust bearing, the tightening spring is sleeved on the ejector rod, and the ejector rod is tightened against the screw rod under the action of the tightening spring.
In some embodiments, the end face of the positioning sleeve far away from the bearing hole is provided with an end cover, the screw rod is in threaded connection with the end cover, the ejector rod is in a T shape, the inner hole comprises a first stepped hole, a second stepped hole and a third stepped hole, the inner diameter of the first stepped hole is gradually reduced towards the upper end of the rolling bearing, the first stepped hole is used for accommodating the T-shaped head of the ejector rod and limiting the T-shaped head, the second stepped hole is used for accommodating the tightening spring, and the third stepped hole is used for accommodating the long rod of the ejector rod.
In some embodiments, the support sleeve is machined with parallel cutting planes on opposite radial sides of the support sleeve adjacent the bearing bore.
Therefore, according to the embodiment of the disclosure, the cylindrical pin capable of radially extending is arranged on the side part of the positioning sleeve, after the positioning sleeve passes through the rolling bearing, the cylindrical pin extends outwards under the jacking action of the ejector rod in the inner hole and abuts against the axial end face of the rolling bearing, and when the positioning sleeve is pulled back, the rolling bearing moves outwards together under the abutting action of the cylindrical pin, so that the rolling bearing in the blind hole is detached, other mounting components cannot be damaged, and the positioning sleeve has high practicability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a longitudinal sectional view of some embodiments of a rolling bearing removal tool according to the present disclosure;
FIG. 2 is a schematic structural view of a carrier rod in some embodiments of a rolling bearing removal tool according to the present disclosure;
FIG. 3 is a schematic structural view of a screw in some embodiments of a rolling bearing removal tool according to the present disclosure;
figures 4 and 5 are schematic structural views of an end cap in front and top view, respectively, of some embodiments of a rolling bearing removal tool according to the present disclosure;
FIG. 6 is a longitudinal cross-sectional view of a locating sleeve in some embodiments of a rolling bearing removal tool according to the present disclosure;
figures 7 and 8 are schematic structural views of a locating sleeve at a left view angle and a top view angle, respectively, according to some embodiments of a rolling bearing removal tool according to the present disclosure;
FIG. 9 is a cross-sectional view of a locating sleeve at a pin hole location in accordance with some embodiments of a rolling bearing removal tool of the present disclosure;
FIGS. 10-12 are schematic structural views of a support sleeve at a front angle, a left angle, and a bottom angle, respectively, according to some embodiments of a rolling bearing removal tool according to the present disclosure;
description of the reference numerals
1. A screw; 2. a nut; 3. a gasket; 4. a thrust bearing; 5. a support sleeve; 6. an end cap; 7. countersunk head screws; 8. a top rod; 9. the spring is tightly propped; 10. a positioning sleeve; 11. a rolling bearing; 12. a cylindrical pin; 13. a substrate; 14. a bearing bore;
61. drilling a hole at the countersunk head;
101. a third order cylinder; 102. a second-stage cylinder; 103. a first-order cylinder; 104. a pin hole; 105. a third stepped bore; 106. a second stepped bore; 107. a first stepped hole; 108. a threaded bore.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be intervening devices between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, the particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
Fig. 1 is a longitudinal sectional view of some embodiments of a rolling bearing removal tool according to the present disclosure. As shown in fig. 1, the rolling bearing removing tool is used for removing a rolling bearing 11 in a bearing hole 14 of a base body 13, and includes: the positioning sleeve 10 is used for penetrating into the rolling bearing 11, has an inner hole, and is provided with a cylindrical pin 12 which can radially extend out through the side part of the rolling bearing 11; the ejector rod 8 is movably arranged in an inner hole of the positioning sleeve 10 and used for jacking the cylindrical pin 12 to radially extend out; the cylindrical pin 12 can abut against an axial end face of the rolling bearing 11 in an extended state.
Referring to fig. 1 to 12, by arranging the cylindrical pin 12 capable of radially extending on the side of the positioning sleeve 10, after the positioning sleeve 10 passes through the rolling bearing 11, the cylindrical pin 12 extends outwards under the jacking action of the ejector rod 8 in the inner hole to abut against the axial end face of the rolling bearing 11, and when the positioning sleeve 10 is pulled back, the rolling bearing 11 moves outwards together under the abutting action of the cylindrical pin 12, so that the rolling bearing can be detached from the bearing hole 14, particularly a blind hole, without damaging other mounting components, and the method has high practicability.
The rolling bearing dismounting tool disclosed by the invention is particularly suitable for dismounting the needle bearing in the blind hole of the receiving drum of the cigarette making machine, namely the base body 13 is particularly the receiving drum of the cigarette making machine, the rolling bearing 11 is particularly the needle bearing, and the bearing hole 14 is particularly the blind hole.
In order to enable the push rod 8 to smoothly jack the cylindrical pin 12 to radially extend when moving towards the inner hole close to the cylindrical pin 12, in some embodiments, as shown in fig. 1 and fig. 2, an end portion of the push rod 8 for jacking the cylindrical pin 12 to radially extend is a cone or a hemisphere, an end portion of the cylindrical pin 12 abutting against the push rod 8 is a hemisphere, and an end portion of the cylindrical pin 12 not abutting against the push rod 8 is a hemisphere. The cone and the hemisphere can convert the axial movement of the ejector rod 8 into the radial movement of the cylindrical pin 12, and the structure is easy to process, high in transmission reliability and strong in implementability.
In order to prevent the pin 12 from protruding outwards under its own weight to scratch the inner ring of the rolling bearing 11 or the inner wall of the bearing hole 14 when the positioning sleeve 10 passes through the rolling bearing 11, in some embodiments, the pin 12 is provided with a return spring for keeping the pin 12 in the positioning sleeve 10. When the ejector rod 8 is not contacted with the cylindrical pin 12 for jacking, the cylindrical pin 12 is kept in the positioning sleeve 10 under the action of the return spring; when the ejector rod 8 is in contact with the cylindrical pin 12, the ejector rod 8 acts on the cylindrical pin 12, and the cylindrical pin 12 extends outwards against the elastic force of the return spring.
Referring to fig. 6, 7 and 9, in some embodiments, the locating sleeve 10 is provided with a radially extending pin hole 104 through the side of the rolling bearing 11, the cylindrical pins 12 are mounted in the pin hole 104, and the cylindrical pins 12 are plural and uniformly arranged in the circumferential direction of the locating sleeve 10, for example, 4 as shown in fig. 9, so as to ensure the stability of the abutting of the cylindrical pins 12 against the axial end face of the rolling bearing 11.
Referring to fig. 1, 6 and 7, in some embodiments, the positioning sleeve 10 includes a first-step cylinder 103 and a second-step cylinder 102 with increasing outer diameters, the first-step cylinder 103 is used for penetrating the rolling bearing 11, the first-step cylinder 103 is in clearance fit with the rolling bearing 11, the second-step cylinder 102 is used for penetrating the bearing hole 14, and the second-step cylinder 102 is in clearance fit with the bearing hole 14. The second-stage cylinder 102 and the bearing hole 14 are installed and matched to play a centering role, so that the first-stage cylinder 103 can accurately penetrate into the rolling bearing 11, and the phenomenon that the inner ring of the rolling bearing 11 is scratched due to unstable centering is avoided.
Referring to fig. 1, 6 and 7, in some embodiments, the position sleeve 10 further includes a third step cylinder 101 joined to a second step cylinder 102 and having an outer diameter dimension greater than the bearing bore 14. The shoulder between the third step cylinder 101 and the second step cylinder 102 is used to limit the distance that the locating sleeve 10 penetrates into the bearing hole 14.
With respect to how the push rod 8 is pushed to move in the inner hole of the positioning sleeve 10, as shown in fig. 1 and 3, in some embodiments, the rolling bearing dismounting tool further comprises a screw 1 threaded on the positioning sleeve 10 for pushing the push rod 8 to move in the inner hole of the positioning sleeve 10. As shown in fig. 9, the screw 1 is basically a full-threaded rod, but the front working portion is a non-threaded cylindrical rod for holding the push rod 8. By rotating the screw rod 1 on the positioning sleeve 10, the screw rod 1 moves inwards to push the ejector rod 8 to move inwards so as to jack up the cylindrical pin 12, and the stability is high.
As to how to pull back the positioning sleeve 10, in some embodiments, as shown in fig. 1 and fig. 10 to fig. 12, the rolling bearing dismounting tool further includes a supporting sleeve 5, a nut 2, a gasket 3, a thrust bearing 4, and a tightening spring 9, the positioning sleeve 10 is sleeved in the supporting sleeve 5 to ensure centering pull back, the screw rod 1 penetrates through the supporting sleeve 5 and is in threaded connection with the positioning sleeve 10, the nut 2 is in threaded connection with the screw rod 1 and is rotatably mounted on the supporting sleeve 5 through the gasket 3 and the thrust bearing 4, the tightening spring 9 is sleeved on the ejector rod 8, and the ejector rod 8 tightens the screw rod 1 under the action of the tightening spring 9. Because the ejector rod 8 tightly pushes the screw rod 1, the screw rod 1 cannot rotate relative to the positioning sleeve 10, and the screw rod 1 extends outwards relative to the supporting sleeve 5 by rotating the nut 2, so that the positioning sleeve 10 is driven to pull back outwards. In the embodiment, the screw rod 1 can push the ejector rod 8 and pull back the positioning sleeve 10 outwards, and the structure is simple and reliable, and the practicability is high.
Referring to fig. 1, 4, 5, 6, and 8, in some embodiments, an end cover 6 is disposed on an end surface of the positioning sleeve 10 away from the bearing hole 14, a countersunk hole 61 is disposed on the end cover 6, a threaded hole 108 matched with the countersunk hole 61 is disposed on an end surface of the positioning sleeve 10 away from the bearing hole 14, the end cover 6 is mounted on the positioning sleeve 10 in a manner of passing through the countersunk hole 61 and being matched with the threaded hole 108 by a bolt, as shown in fig. 1, the screw 1 is threadedly connected to the end cover 6, the plunger 8 is T-shaped, an inner hole includes a first stepped hole 107, a second stepped hole 106, and a third stepped hole 105, which decrease in sequence towards an upper inner diameter of the rolling bearing 11, the first stepped hole 107 is used for accommodating and limiting a T-shaped head of the plunger 8, the second stepped hole 106 is used for accommodating the tightening spring 9, and the third stepped hole 105 is used for. The shoulder between the first stepped hole 107 and the second stepped hole 106 serves to limit the distance the ram 8 penetrates into the third stepped hole 105.
In order to avoid the support sleeve 5 following when the screw 1 and the nut 2 are turned, in some embodiments, as shown in fig. 10 to 12, parallel cutting planes are machined on opposite radial sides of the support sleeve 5 near the bearing hole 14, and an open wrench can be used to limit the following. This also facilitates viewing of the movement of the position sleeve 10. Likewise, in order to avoid the following of the positioning sleeve 10 when turning the screw 1 and the nut 2, in some embodiments, as shown in fig. 7, the third cylinder 101 is provided with parallel cutting planes on two opposite radial sides of the position close to the bearing hole 14, and a split wrench can act to limit the following.
Taking the embodiment shown in fig. 1 as an example, with reference to fig. 2 to 12, when the rolling bearing dismounting tool is used, the positioning sleeve 10 is inserted into the rolling bearing 11, the cutting plane of the third step cylinder 101 of the positioning sleeve 10 is clamped by an open wrench, the screw 1 is rotated, the screw 1 overcomes the elastic force of the tightening spring 9, the ejector rod 8 is pushed to move towards the cylindrical pin 12, the sliding rod ejector rod 8 pushes the cylindrical pin 12 to scatter around, the cylindrical pin 12 extends out to the gap in the axial outer part of the rolling bearing 11 until the T-shaped head of the ejector rod 8 touches the hole shoulder of the first step hole 107 in the positioning sleeve 10, and at this time, the screw 1 stops rotating. And then the nut 2 on the screw rod 1 is rotated by the open-end wrench, and the thrust bearing 4 is arranged between the nut 2 and the support sleeve 5, so that the friction force between the nut 2 and the support sleeve 5 is reduced, and the rotating torque of the open-end wrench is also reduced. When the nut 2 rotates, the ejector rod 8 tightly pushes the screw rod 1 under the action of the pushing spring 9, the screw rod 1 does not rotate, under the support of the support sleeve 5, the rotation motion of the nut 2 is converted into the axial linear motion of the screw rod 1, the positioning sleeve 10 is driven to move outwards, the cylindrical pins 12 are abutted to the axial end faces of the rolling bearings 11, and therefore the four cylindrical pins 12 pull the rolling bearings 11 to move outwards together, the rolling bearings are disassembled, and the defects in the prior art are overcome.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims (9)

1. A rolling bearing removal tool for removing a rolling bearing (11) in a bearing bore (14) in a base body (13), comprising:
the positioning sleeve (10) is used for penetrating into the rolling bearing (11), is provided with an inner hole, and is provided with a cylindrical pin (12) which can radially extend out through the side part of the rolling bearing (11);
the ejector rod (8) is movably arranged in an inner hole of the positioning sleeve (10) and used for jacking the cylindrical pin (12) to radially extend out; and
the screw rod (1) is in threaded connection with the positioning sleeve (10) and is used for pushing the ejector rod (8) to move in an inner hole of the positioning sleeve (10);
wherein the cylindrical pin (12) can be abutted against the axial end face of the rolling bearing (11) in an extended state;
antifriction bearing extracting tool still includes and supports cover (5), nut (2), thrust bearing (4) and top tight spring (9), and position sleeve (10) cover is established support in cover (5), screw rod (1) penetrates support cover (5) and with position sleeve (10) threaded connection, nut (2) threaded connection screw rod (1) and pass through thrust bearing (4) rotationally install on supporting cover (5), top tight spring (9) cover is established on ejector pin (8) under the effect of top tight spring (9), ejector pin (8) top is tight screw rod (1).
2. The rolling bearing removal tool according to claim 1, wherein the end of the ejector rod (8) that jacks up the cylindrical pin (12) and extends radially is a cone or a hemisphere, and the end of the cylindrical pin (12) that abuts against the ejector rod (8) is a hemisphere.
3. Rolling bearing removal tool according to claim 1, characterized in that a return spring is provided on the cylindrical pin (12) for retaining the cylindrical pin (12) within the positioning sleeve (10).
4. Rolling bearing removal tool according to claim 1, characterized in that the cylindrical pins (12) are in plurality and are uniformly arranged in the circumferential direction of the positioning sleeve (10).
5. The rolling bearing removal tool according to claim 1, wherein the positioning sleeve (10) comprises a first-step cylinder (103) and a second-step cylinder (102) with increasing outer diameters, the first-step cylinder (103) is used for penetrating the rolling bearing (11), the first-step cylinder (103) is in clearance fit with the rolling bearing (11), the second-step cylinder (104) is used for penetrating the bearing hole (14), and the second-step cylinder (104) is in clearance fit with the bearing hole (14).
6. Rolling bearing removal tool according to claim 5, characterized in that the positioning sleeve (10) further comprises a third step cylinder (101) interfacing with the second step cylinder (102), having an outer diameter dimension greater than the bearing bore (14).
7. Rolling bearing removal tool according to claim 6, wherein the third step cylinder (101) is machined with parallel cutting planes on opposite radial sides of the region close to the bearing bore (14).
8. The rolling bearing dismounting tool according to claim 1, wherein an end cover (6) is arranged on an end face, away from the bearing hole (14), of the locating sleeve (10), the screw (1) is in threaded connection with the end cover (6), the ejector rod (8) is in a T shape, the inner hole comprises a first stepped hole (107), a second stepped hole (106) and a third stepped hole (105), the inner diameter of the first stepped hole is sequentially reduced towards the upper inner diameter of the rolling bearing (11), the first stepped hole (107) is used for accommodating the T-shaped head of the ejector rod (8) and limiting the T-shaped head, the second stepped hole (106) is used for accommodating the tightening spring (9), and the third stepped hole (105) is used for accommodating the long rod portion of the ejector rod (8).
9. Rolling bearing removal tool according to claim 1, wherein the support sleeve (5) is machined with parallel cutting planes on opposite radial sides of the region close to the bearing bore (14).
CN201911407688.4A 2019-12-31 2019-12-31 Rolling bearing dismounting tool Active CN111043170B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201911407688.4A CN111043170B (en) 2019-12-31 2019-12-31 Rolling bearing dismounting tool

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CN111043170A CN111043170A (en) 2020-04-21
CN111043170B true CN111043170B (en) 2021-05-25

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543987A (en) * 2009-04-21 2009-09-30 中国原子能科学研究院 Tool for taking and placing sleeve of spent fuel assembly inclined conveyor
CN201769167U (en) * 2010-08-19 2011-03-23 山东鲁亚制药有限公司 Bearing dismounting device
JP2013151041A (en) * 2012-01-25 2013-08-08 Toyota Motor Corp Press-in device
JP3191894U (en) * 2014-05-07 2014-07-17 桂一 橋本 Arm bush removal tool
CN104907999A (en) * 2015-06-20 2015-09-16 苏州蓝王机床工具科技有限公司 Blind hole inner shaft sleeve detachment device
CN205889046U (en) * 2016-08-05 2017-01-18 科力远混合动力技术有限公司 Little bearing puller
CN208084267U (en) * 2017-12-04 2018-11-13 中国航发南方工业有限公司 Adaptive universal bearing pulls out handler
CN209483826U (en) * 2018-12-18 2019-10-11 商勇 A kind of outer rotor motor shaft bears pulling device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6990713B2 (en) * 2003-01-27 2006-01-31 Lisle Corporation Steering column pivot pin removal tool
FR3046137B1 (en) * 2015-12-23 2018-02-16 Airbus Operations METHOD OF ALIGNING A FIRST ORIFICE OF A FIRST PART WITH A SECOND ORIFICE OF A SECOND PART AND KIT FOR IMPLEMENTING IT

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543987A (en) * 2009-04-21 2009-09-30 中国原子能科学研究院 Tool for taking and placing sleeve of spent fuel assembly inclined conveyor
CN201769167U (en) * 2010-08-19 2011-03-23 山东鲁亚制药有限公司 Bearing dismounting device
JP2013151041A (en) * 2012-01-25 2013-08-08 Toyota Motor Corp Press-in device
JP3191894U (en) * 2014-05-07 2014-07-17 桂一 橋本 Arm bush removal tool
CN104907999A (en) * 2015-06-20 2015-09-16 苏州蓝王机床工具科技有限公司 Blind hole inner shaft sleeve detachment device
CN205889046U (en) * 2016-08-05 2017-01-18 科力远混合动力技术有限公司 Little bearing puller
CN208084267U (en) * 2017-12-04 2018-11-13 中国航发南方工业有限公司 Adaptive universal bearing pulls out handler
CN209483826U (en) * 2018-12-18 2019-10-11 商勇 A kind of outer rotor motor shaft bears pulling device

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