CN104723266A - Sliding hammer type cold drawing device for motor rotor external long shaft - Google Patents

Sliding hammer type cold drawing device for motor rotor external long shaft Download PDF

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Publication number
CN104723266A
CN104723266A CN201310694174.8A CN201310694174A CN104723266A CN 104723266 A CN104723266 A CN 104723266A CN 201310694174 A CN201310694174 A CN 201310694174A CN 104723266 A CN104723266 A CN 104723266A
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CN
China
Prior art keywords
sliding hammer
limits
cold
sliding
screw
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.)
Pending
Application number
CN201310694174.8A
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Chinese (zh)
Inventor
汤霄炯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Baosteel Industry Technological Service Co Ltd
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Shanghai Baosteel Industry Technological Service Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Baosteel Industry Technological Service Co Ltd filed Critical Shanghai Baosteel Industry Technological Service Co Ltd
Priority to CN201310694174.8A priority Critical patent/CN104723266A/en
Publication of CN104723266A publication Critical patent/CN104723266A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses a sliding hammer type cold drawing device for a motor rotor external long shaft. The cold drawing device comprises a four-side holding support, a cross connection block, a sliding rod, a sliding hammer, a stop block, four left-right double-end screws and four pull rods. A threaded hole is formed in each connection end of the four side holding support, and the four left-right double-end screws are respectively screwed in the threaded hole of the connection end on each side. A clamping hook is arranged at the center of each side of the four-side holding support, a threaded hole is formed in the center of the cross connection block, external threads are arranged on the lower section of the sliding rod, the lower section of the sliding rod is screwed in the threaded hole in the center of the cross connection block, the sliding hammer is sleeved by the sliding rod, the stop block is arranged at the top end of the sliding rod, and two ends of the four pull rods are connected with the connection end on each side of the four-side holding support and the cross end of the cross connection block. The cold drawing device can achieve cold drawing disassembly of structure sleeve shafts of different specifications, and overhauling efficiency and quality of the motor are improved.

Description

The sliding hammer formula cold-drawn device of the outer expanded shaft of rotor
Technical field
The present invention relates to the sliding hammer formula cold-drawn device of the outer expanded shaft of a kind of rotor.
Background technology
There is application when the motor of rotor banding major axis is in all kinds of plant equipment, such rotor load side to be connected by key and the outer expanded shaft of interference fits and load connect.Major axis, when upkeep operation middle (center) bearing is changed, must first pull out by such motor, but when carrying out drawing field-strip, the motor of this kind of outer expanded shaft cannot adopt conventional static pressure force method, can only adopt cold-drawing technology; So-called static pressure force method is varying in size according to required pressing-in force during assembling, adopts and draws the utensil such as horse, jack to dismantle, and it is generally applied to the open structure of spindle nose, because spindle nose end needs the stress point as jack active force; But in the shaft head of outer expanded shaft is enclosed in by machine shaft, conventional method therefore cannot be adopted to dismantle.Generally can only heat it during this outer expanded shaft of usual dismounting, make this outer expanded shaft thermal expansion, outer expanded shaft produces gap with coordinating between rotor, then with crow bar, it is extracted from rotor, but be through and repeatedly put into practice discovery, once heat, outer expanded shaft is due to after expanded by heating, and on its flexibility and axle, each section of concentricity severe deviations can occur thus depart from required precision.
Summary of the invention
Technical problem to be solved by this invention is to provide the sliding hammer formula cold-drawn device of the outer expanded shaft of a kind of rotor, this cold-drawn device externally can implement cold-drawn dismounting by expanded shaft, avoid the deviation heating external major axis degree and each section of concentricity caused, and the cold-drawn field-strip of different size cover axle construction sleeve can be adapted to, improve overhaul efficiency and the quality of motor.
For solving the problems of the technologies described above, the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor of the present invention comprises four limits and embraces frame, cross contiguous block, slide bar, sliding hammer, stop tab, four left-right rotary double threaded screws and four pull bars, every limit link that frame is embraced on described four limits is respectively equipped with screw, described four left-right rotary double threaded screws are twisted respectively in the screw of described four Bao Jiamei limit, limit links, described four limits are embraced Jia Meibian center and are provided with snap fit, described cross contiguous block center is provided with screw, described slide bar hypomere is provided with external screw thread and twists in the screw at described cross contiguous block center, described sliding hammer is inserted in described slide bar, described stop tab is located at described top end of sliding rod, described four pull bar two ends connect described four limits respectively and embrace every limit link of frame and the cross end of cross contiguous block.
Further, this cold-drawn device also comprises two handles, and the both sides of described sliding hammer are located at respectively by described two handles.
Further, above-mentioned stop tab is quadrangle block or hexagon block.
Because the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor of the present invention have employed technique scheme, namely this cold-drawn device comprises four limits and embraces frame, cross contiguous block, slide bar, sliding hammer, stop tab, four left-right rotary double threaded screws and four pull bars, every limit link that frame is embraced on four limits is respectively equipped with screw, four left-right rotary double threaded screws are twisted respectively in the screw of four Bao Jiamei limit, limit links, four limits are embraced Jia Meibian center and are provided with snap fit, cross contiguous block center is provided with screw, slide bar hypomere is provided with external screw thread and twists in the screw at cross contiguous block center, sliding hammer is inserted in slide bar, stop tab is located at top end of sliding rod, four pull bar two ends connect four limits respectively and embrace every limit link of frame and the cross end of cross contiguous block.This cold-drawn device externally can implement cold-drawn dismounting by expanded shaft, avoids the deviation heating external major axis degree and each section of concentricity caused, and can adapt to the cold-drawn field-strip of different size cover axle construction sleeve, improves overhaul efficiency and the quality of motor.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor of the present invention.
Detailed description of the invention
As shown in Figure 1, the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor of the present invention comprises four limits and embraces frame 1, cross contiguous block 4, slide bar 5, sliding hammer 6, stop tab 7, four left-right rotary double threaded screws 2 and four pull bars 3, every limit link that frame 1 is embraced on described four limits is respectively equipped with screw, described four left-right rotary double threaded screws 2 are twisted respectively in the screw that frame 1 every limit link is embraced on described four limits, the Mei Bian center that frame 1 is embraced on described four limits is provided with snap fit 11, described cross contiguous block 4 center is provided with screw, described slide bar 5 hypomere is provided with external screw thread 51 and twists in the screw at described cross contiguous block 4 center, described sliding hammer 6 is inserted in described slide bar 5, described stop tab 7 is located at described slide bar 5 top, described four pull bar 3 two ends connect described four limits respectively and embrace every limit link of frame 1 and the cross end of cross contiguous block 4.
Further, this cold-drawn device also comprises two handles 61, and the both sides of described sliding hammer 6 are located at respectively by described two handles 61.Handle the slip of convenient operation sliding hammer on slide bar is set, reduce labour intensity, improve operating efficiency.
Further, above-mentioned stop tab 7 is quadrangle block or hexagon block.
This cold-drawn device adopts four limits to embrace shelf structure, embrace frame four connection end points on four limits and realize with left-right rotary screw rod the aperture adjustment that frame is embraced on four limits, enable the outer spindle diameter of axle adapting to different-diameter within the specific limits, four Bao Jiamei limit, limit central authorities establish a snap fit, embrace on four limits after major axis held tightly by frame and also realize the shaft shoulder of major axis to catch on simultaneously, thus as the stress point of drawing, secondly, four connection end points embracing frame on four limits are respectively connected on the cross contiguous block of front end by a pull bar, a screw is established at cross contiguous block center, the screw thread of slide bar hypomere is twisted in cross contiguous block screw, after slide bar screws, major axis is withstood in slide bar bottom, embrace on four limits outer expanded shaft firmly to be locked under the acting in conjunction of frame and embrace, top end of sliding rod extends the smooth stock of longer one section of cylindrical, stock is inserted in the sliding hammer with certain mass, stop tab is established on stock top, stop tab one is spacing as sliding hammer, two is as tightening slide bar and withstand the wrench position of outer expanded shaft, when carrying out cold-drawn dismounting, embrace frame by slide bar and four limits and embrace outer expanded shaft, manually by the quick sliding back and forth of the sliding hammer on slide bar, and clash into the stop link stopper of top end of sliding rod, the impact kinetic energy of sliding hammer acts on stop link stopper, be delivered to four limits by slide bar and four pull bars and embrace frame, thus produce four limits and embrace frame and outer expanded shaft is pulled outwardly the impact kinetic energy pulled out, by the shock back and forth of sliding hammer, outer expanded shaft is pulled away rotor, realize the cold-drawn dismounting of outer expanded shaft.
This cold-drawn device solves and adopts heating crow bar dismounting process be separated with rotor by outer expanded shaft and cause the problem of bearing flexibility, dimensional accuracy deviation in the past, this cold-drawn device structure is simple, use very convenient, and field-strip efficient quick, have the adjustable function adapting to different external connection major diameter simultaneously concurrently, improve the scope of application.

Claims (3)

1. the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor, it is characterized in that: this cold-drawn device comprises four limits and embraces frame, cross contiguous block, slide bar, sliding hammer, stop tab, four left-right rotary double threaded screws and four pull bars, every limit link that frame is embraced on described four limits is respectively equipped with screw, described four left-right rotary double threaded screws are twisted respectively in the screw of described four Bao Jiamei limit, limit links, described four limits are embraced Jia Meibian center and are provided with snap fit, described cross contiguous block center is provided with screw, described slide bar hypomere is provided with external screw thread and twists in the screw at described cross contiguous block center, described sliding hammer is inserted in described slide bar, described stop tab is located at described top end of sliding rod, described four pull bar two ends connect described four limits respectively and embrace every limit link of frame and the cross end of cross contiguous block.
2. the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor according to claim 1, it is characterized in that: this cold-drawn device also comprises two handles, the both sides of described sliding hammer are located at respectively by described two handles.
3. the sliding hammer formula cold-drawn device of the outer expanded shaft of rotor according to claim 1 and 2, is characterized in that: described stop tab is quadrangle block or hexagon block.
CN201310694174.8A 2013-12-18 2013-12-18 Sliding hammer type cold drawing device for motor rotor external long shaft Pending CN104723266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310694174.8A CN104723266A (en) 2013-12-18 2013-12-18 Sliding hammer type cold drawing device for motor rotor external long shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310694174.8A CN104723266A (en) 2013-12-18 2013-12-18 Sliding hammer type cold drawing device for motor rotor external long shaft

Publications (1)

Publication Number Publication Date
CN104723266A true CN104723266A (en) 2015-06-24

Family

ID=53447987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310694174.8A Pending CN104723266A (en) 2013-12-18 2013-12-18 Sliding hammer type cold drawing device for motor rotor external long shaft

Country Status (1)

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CN (1) CN104723266A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360754A (en) * 2020-03-31 2020-07-03 云南电力技术有限责任公司 Manual relay pull-out ware
CN114750106A (en) * 2021-01-08 2022-07-15 中国石油天然气股份有限公司 Shaft sleeve dismantling tool
CN119748369A (en) * 2025-03-06 2025-04-04 东方电气(广州)重型机器有限公司 A heat transfer tube drawing device and operation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2877974Y (en) * 2006-01-23 2007-03-14 广东蓉胜超微线材股份有限公司 Novel extractor
DE202008003668U1 (en) * 2008-03-14 2008-08-07 Hu, Chih Kuo Clamping device for puller
CN201736182U (en) * 2010-07-14 2011-02-09 中国石油天然气股份有限公司 Crank pin bush puller of pumping unit
CN102528741A (en) * 2012-02-27 2012-07-04 北京市环雅清扫保洁服务中心 Impact adjustable internal puller
CN202428386U (en) * 2011-11-22 2012-09-12 长城汽车股份有限公司 Electric puller device
CN202448098U (en) * 2012-01-13 2012-09-26 江苏久泰电缆有限公司 Bearing detaching tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2877974Y (en) * 2006-01-23 2007-03-14 广东蓉胜超微线材股份有限公司 Novel extractor
DE202008003668U1 (en) * 2008-03-14 2008-08-07 Hu, Chih Kuo Clamping device for puller
CN201736182U (en) * 2010-07-14 2011-02-09 中国石油天然气股份有限公司 Crank pin bush puller of pumping unit
CN202428386U (en) * 2011-11-22 2012-09-12 长城汽车股份有限公司 Electric puller device
CN202448098U (en) * 2012-01-13 2012-09-26 江苏久泰电缆有限公司 Bearing detaching tool
CN102528741A (en) * 2012-02-27 2012-07-04 北京市环雅清扫保洁服务中心 Impact adjustable internal puller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360754A (en) * 2020-03-31 2020-07-03 云南电力技术有限责任公司 Manual relay pull-out ware
CN114750106A (en) * 2021-01-08 2022-07-15 中国石油天然气股份有限公司 Shaft sleeve dismantling tool
CN114750106B (en) * 2021-01-08 2023-11-28 中国石油天然气股份有限公司 Shaft sleeve dismantling tool
CN119748369A (en) * 2025-03-06 2025-04-04 东方电气(广州)重型机器有限公司 A heat transfer tube drawing device and operation method

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Application publication date: 20150624

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