CN208557329U - Generator car cooling blower rotor bearing disassembly-and-assembly stand - Google Patents

Generator car cooling blower rotor bearing disassembly-and-assembly stand Download PDF

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Publication number
CN208557329U
CN208557329U CN201821075984.XU CN201821075984U CN208557329U CN 208557329 U CN208557329 U CN 208557329U CN 201821075984 U CN201821075984 U CN 201821075984U CN 208557329 U CN208557329 U CN 208557329U
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CN
China
Prior art keywords
crossbeam
rotor
cooling blower
rotor bearing
generator car
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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.)
Expired - Fee Related
Application number
CN201821075984.XU
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Chinese (zh)
Inventor
段广建
李雪峰
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Nanjing Refrigeration Equipment Co Ltd
Original Assignee
Nanjing Refrigeration Equipment Co Ltd
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Filing date
Publication date
Application filed by Nanjing Refrigeration Equipment Co Ltd filed Critical Nanjing Refrigeration Equipment Co Ltd
Priority to CN201821075984.XU priority Critical patent/CN208557329U/en
Application granted granted Critical
Publication of CN208557329U publication Critical patent/CN208557329U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model, including rack, rack includes two pillars and the crossbeam that is connected between pillar top, crossbeam both ends are respectively equipped with locating rack and adjusting bracket, locating rack is equipped with the screw jack for withstanding rotor bearing side, adjusting bracket is equipped with Manual hydraulic jack, the top of Manual hydraulic jack is equipped with the open-close type fixture for grip roll bearing, it is equipped with the rotor spider for support rotor in the middle part of crossbeam, the screw-threaded shaft elevator for lifting rotor bracket is additionally provided on crossbeam.This generator car cooling blower rotor bearing disassembly-and-assembly stand can be realized the disassembly and installation operation of different-diameter rotor bearing; the special fixture intensity being used cooperatively is high, not easy to break; it is safe and efficient; advantageously reduce operation intensity; the occurrence of reducing unexpected injury in labout process improves the personnel protection to operator.

Description

Generator car cooling blower rotor bearing disassembly-and-assembly stand
Technical field
The utility model relates to train maintenance facility technology fields, and in particular to a kind of generator car cooling blower rotor Bearing dismantling platform.
Background technique
China railways system achieves rapid development in recent years, as China railways industry flourishes, national policy The continuous investment of fund will necessarily further speed up the development of railway systems, while want to adapt to the development in new period economy area Raising of the summation people to environmental requirement by bus, high-speed rail and intercity EMU can undoubtedly obtain bigger development.But it is dilute to personnel Less, economically underdeveloped area, passenger train are well received.Especially in non-electrical gasification section generator car centrally connected power supply air-conditioned passenger train Still it is widely used.
Railway power generator car cooling blower rotor diameter is big, elongate axis, and gap is small between rotor on the inside of bearing, commonly Three-claw pull-horse cannot directly use, need elongated clamping jaw length, and at the top of milled portion claw hook, keep grapple thinning, ability The gap on the inside of rotor and bearing is smoothly protruded into, is pulled it with hooking bearing.This drawing horse simply restructured is actually using In usually loosen and skid off, strength reduction after claw hook grinding is easily broken off and scraps.In this case, bearing removal task difficulty Greatly, working efficiency is low, and the new bearing of installation is struck using hammering and pounded, it cannot be guaranteed that assembling quality, is also easy to disfiguring workpiece.This Outside, operator is easy to hurt hand in job engineering, causes unexpected injury.
Summary of the invention
In order to overcome the deficiencies of the prior art, the utility model proposes a kind of dismounting of generator car cooling blower rotor bearing Platform is able to achieve the disassembly and installation operation of different-diameter rotor bearing, and intensity height is not easy to break, has safe and efficient Feature can reduce operation intensity, avoid operator's unexpected injury.
To achieve the above object, the generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model, including rack, Rack includes two pillars and the crossbeam that is connected between pillar top, and crossbeam both ends are respectively equipped with locating rack and adjusting bracket, fixed Position frame is equipped with the screw jack for withstanding rotor bearing side, and adjusting bracket is equipped with Manual hydraulic jack, manually The top of hydraulic jack is equipped with the open-close type fixture for grip roll bearing, is equipped in the middle part of crossbeam and is used for support rotor Rotor spider, the screw-threaded shaft elevator for lifting rotor bracket is additionally provided on crossbeam.
Further, open-close type fixture includes two pull rods, and one end of pull rod is connected to Manual hydraulic jack piston rod Top, the other end are connected with the fixture block matched with rotor bearing, and two fixture blocks clamp bearing top convex portion.
Further, adjusting bracket is equipped with the adjusting handle that horizontal position is pushed up for adjusting hand-hydraulic thousand.
Further, crossbeam uses the I-steel of flat placement, offers long waist shaped hole, screw-threaded shaft elevator packet in the middle part of crossbeam Include jacking sleeve, jacking sleeve passes through long waist shaped hole, is equipped with elevating screw in jacking sleeve, and elevating screw is towards rotor spider Setting, the bottom end of jacking sleeve are equipped with the lifting handwheel for driving elevating screw to go up and down.
Further, rotor spider bottom is equipped with slip blade, and slip blade is located at the top of cantilever diaphragm, and width and Spacing between two side wing edge of crossbeam is suitable, and jacking sleeve is connect with slip blade, and cantilever diaphragm bottom is equipped with steering bearing, rises Drop sleeve is externally provided with the sheath body with steering bearing rotation connection.
Further, slip blade bottom is provided along its length spring holder, and spring holder includes and sliding The fixation pin pipe that supporting plate bottom is fixedly connected, fixed pin pipe are a tube body, in fixed opening of the pin pipe far from jacking sleeve one end Diameter is less than the opening inside diameter of the other end, and shank, shank diameter and fixed pin pipe are equipped in fixed pin pipe close to jacking sleeve Internal diameter open at one end is identical, and shank is equipped with far from one end of jacking sleeve and pulls axis, pulls the diameter of axis remote with fixed pin pipe The internal diameter open at one end from jacking sleeve is identical and is therefrom pierced by, pull axis far from shank one end be equipped with knob, shank it is another One end is arranged with position-limiting tube, and the end of shank is exposed to outside position-limiting tube, is provided with spring between position-limiting tube and fixed pin pipe, goes up and down A pair of axisymmetric kidney slot is offered on sleeve outer wall, the length direction of kidney slot is axially arranged along jacking sleeve, a pair of of waist The line of shape slot is parallel to the length direction of slip blade.
Further, slip blade is equipped with lock handle along the side of crossbeam length direction, and lock handle includes fixed connects The locking arm on slip blade is connect, locking arm end bends downward and be located at the outside of crossbeam, and locking arm top is equipped with locking Portion, tight lock part are equipped with the tapped through hole perpendicular to crossbeam side, are threaded with tie down screw in tapped through hole.
Further, slip blade bottom four corners are equipped with idler wheel.
Further, a pair of of lesser trochanter supporting plate is detachably connected on rotor spider, a pair of of lesser trochanter supporting plate is symmetrically The two sides of rotor spider axis are set and are extended along the length direction of rotor spider.
The generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model can be realized different-diameter rotor bearing Disassembly and installation operation, the special fixture intensity being used cooperatively is high, not easy to break, safe and efficient, and it is strong to advantageously reduce operation The occurrence of spending, reducing unexpected injury in labout process improves the personnel protection to operator.
Detailed description of the invention
With reference to the accompanying drawing the utility model is made further to describe and illustrate.
Fig. 1 is the front view of the generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model first choice embodiment Figure.
Fig. 2 is the side view of generator car cooling blower rotor bearing disassembly-and-assembly stand.
Fig. 3 is the structural schematic diagram for embodying spring holder.
Appended drawing reference: 1, rack;11, pillar;12, crossbeam;121, long waist shaped hole;2, locating rack;21, spiral very heavy Top;3, adjusting bracket;31, Manual hydraulic jack;32, adjusting handle;4, open-close type fixture;41, pull rod;42, fixture block;5, lead screw Elevator;51, jacking sleeve;511, kidney slot;52, elevating screw;53, sheath body;54, lifting handwheel;6, rotor spider;61, Slip blade;62, idler wheel;63, steering bearing;64, lesser trochanter supporting plate;7, spring holder;71, fixed pin pipe;72, shank; 73, axis is pulled;74, it shakes hands;75, position-limiting tube;76, spring;8, lock handle;81, locking arm;82, tight lock part;83, locking screw Bar.
Specific embodiment
Below in conjunction with attached drawing, by the description to preferred embodiments of the present invention, more clearly and completely explain State the technical solution of the utility model.
As shown in Figure 1, the generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model first choice embodiment, packet Rack 1 is included, rack 1 includes two pillars 11 and the crossbeam 12 being connected between 11 top of pillar, and crossbeam 12 uses flat placement I-steel, have the characteristics that intensity is big, light-weight, bearing capacity is strong, being capable of the biggish generator car cooling blower of support weight Rotor bearing.The both ends of crossbeam 12 are respectively equipped with locating rack 2 and adjusting bracket 3, and locating rack 2 is equipped with for withstanding armature spindle The screw jack 21 of side is held, adjusting bracket 3 is equipped with Manual hydraulic jack 31 and pushes up water for adjusting hand-hydraulic thousand The adjusting handle 32 that prosposition is set is equipped with the rotor spider 6 for support rotor in the middle part of crossbeam 12, and rotor spider 6 being capable of edge The length direction of crossbeam 12 is traversing.Rotor bearing is placed on rotor spider 6, and rotor spider 6 is moved along crossbeam 12, makes armature spindle The end held is stuck on screw jack 21, and the horizontal position of Manual hydraulic jack 31 is adjusted using adjusting handle 32, from And adapt to the bearing rotor of different dimensions lengths.The top of Manual hydraulic jack 31 is equipped with the folding for grip roll bearing Formula fixture 4 clamps the end of bearing rotor using open-close type fixture 4.The silk for lifting rotor bracket 6 is additionally provided on crossbeam 12 Thick stick elevator 5 is adjusted the height of bearing rotor by screw-threaded shaft elevator 5, makes the axis and Manual hydraulic jack of bearing rotor 31 are overlapped, and driving Manual hydraulic jack 31 can easily pull out old bearing.When new bearing is installed, pass through screw jack 21 withstand the tail end of bearing, and rotor can be installed to for new bearing by pushing down bearing pressure cylinder using Manual hydraulic jack 31 In.The process safety for disassembling and installing rotor bearing is efficient, and labor intensity is low, advantageously ensures that assembling quality, avoids operator Member is during the work time by unexpected injury.
With reference to Fig. 1, open-close type fixture 4 includes two pull rods 41, and one end of pull rod 41 is connected to Manual hydraulic jack 31 Piston rod top end, the other end are connected with the fixture block 42 matched with rotor bearing, and it is convex that two fixture blocks 42 can clamp bearing top Part is played, operation Manual hydraulic jack 31 pulls pull rod 41, can be pulled out old bearing from Blower Housing by fixture block 42, Carry out replacement operation.
With reference to Fig. 2,6 bottom of rotor spider is equipped with slip blade 61, and slip blade 61 is located at the top of 12 web of crossbeam, and Spacing between 12 liang of side wing edges of width and crossbeam is suitable.61 bottom four corners of slip blade are equipped with idler wheel 62, the sliding support of idler wheel 62 Plate 61 can be slided by idler wheel 62 along the length direction of crossbeam 12, thus adjust position of the rotor bearing on crossbeam 12 so that The end of rotor bearing contradicts on screw jack 21, and can reduce rubbing of generating in 61 moving process of slip blade It wipes, avoids vibrating.Long waist shaped hole 121 is offered in the middle part of crossbeam 12, screw-threaded shaft elevator 5 includes jacking sleeve 51, jacking sleeve 51 It is connect across long waist shaped hole 121 with slip blade 61, is equipped with elevating screw 52 in jacking sleeve 51, elevating screw 52 is towards turning Sub- bracket 6 is arranged, and the bottom end of jacking sleeve 51 is equipped with the lifting handwheel 54 for driving elevating screw 52 to go up and down, rotation lifting hand Wheel 54 can control elevating screw 52, and elevating screw 52 drives jacking sleeve 51 to go up and down, and rotor spider 6 is with 51 liters of jacking sleeve Drop, so as to adjust the axis height of rotor bearing.
With reference to Fig. 2 and Fig. 3,12 web bottom of crossbeam is equipped with steering bearing 63, and jacking sleeve 51 is externally provided with and steering bearing The sheath body 53 of 63 rotation connections.By 180 ° of rotation slip blades 61 after rise slip blade 61, rotor spider 6 can be realized Overturning positioning, so that greater trochanter without lifting the bearing that can dismount the other end again.61 bottom of slip blade is along its length Direction is equipped with spring holder 7, and spring holder 7 includes the fixation pin pipe 71 being fixedly connected with 61 bottom of slip blade.It is fixed Pin pipe 71 is a tube body, and fixed pin pipe 71 is less than the opening inside diameter of the other end far from the opening inside diameter of 51 one end of jacking sleeve, Gu It is equipped with shank 72 in rationed marketing pipe 71,72 diameter of shank and fixed pin pipe 71 are close to the internal diameter phase open at one end of jacking sleeve 51 Together, shank 72 is equipped with far from one end of jacking sleeve 51 and pulls axis 73, and the diameter for pulling axis 73 and fixed pin pipe 71 are far from lifting The internal diameter open at one end of sleeve 51 is identical and is therefrom pierced by, and axis 73 is pulled to be equipped with knob 74, shank 72 far from one end of shank 72 The other end be arranged with position-limiting tube 75, the end of shank 72 is exposed to outside position-limiting tube 75, between position-limiting tube 75 and fixed pin pipe 71 It is provided with spring 76, a pair of axisymmetric kidney slot 511, the length direction of kidney slot 511 are offered on 51 outer wall of jacking sleeve Along the axial setting of jacking sleeve 51, the line of a pair of of kidney slot 511 is parallel to the length direction of slip blade 61.By pulling Hand 74 can pull out shank 72 from kidney slot 511, release locking of the spring holder 7 to jacking sleeve 51, jacking sleeve 51 are able to carry out rotation, and after rotor spider 6 is overturn, relieving knob 74 can realize the locking to jacking sleeve 51 again, So that jacking sleeve 51 is maintained at lock state, improves the stability in the course of work.
With reference to Fig. 2, slip blade 61 is equipped with lock handle 8 along the side of 12 length direction of crossbeam, and lock handle 8 includes solid Surely the locking arm 81 being connected on slip blade 61,81 end of locking arm bend downward and are located at the outside of crossbeam 12, locking arm 81 tops are equipped with tight lock part 82, and tight lock part 82 is equipped with the tapped through hole perpendicular to 12 side of crossbeam, and screw thread connects in tapped through hole It is connected to tie down screw 83.After rotor spider 6 is adjusted in place, rotation lock bolt contradicts it on 12 side wall of crossbeam, thus Rotor spider 6 is securely fixed on crossbeam 12, the stability of rotor spider 6 during dismounting operation is improved.
With reference to Fig. 2, a pair of of lesser trochanter supporting plate 64 is detachably connected on rotor spider 6, a pair of of lesser trochanter supporting plate 64 is right Claim ground that the two sides of 6 axis of rotor spider are set and are extended along the length direction of rotor spider 6.It is lesser when needing replacing diameter When rotor bearing, the axis height of rotor bearing can be improved by lesser trochanter supporting plate 64, is allowed to adapt to Manual hydraulic jack The height at 31 centers improves the adaptability to rotor bearing gauge size.
The generator car cooling blower rotor bearing disassembly-and-assembly stand of the utility model can be realized different-diameter rotor bearing Disassembly and installation operation, the special fixture intensity being used cooperatively is high, not easy to break, safe and efficient, and it is strong to advantageously reduce operation The occurrence of spending, reducing unexpected injury in labout process improves the personnel protection to operator.
Above-mentioned specific embodiment is only described preferred embodiments of the present invention, and not practical to this Novel protection scope is defined.Under the premise of not departing from the utility model design conception and scope, this field Those of ordinary skill is according to verbal description provided by the utility model, attached drawing to made by the technical solution of the utility model Various modifications, substitution and improvement should belong to the protection category of the utility model.The protection scope of the utility model is wanted by right Ask determining.

Claims (9)

1. a kind of generator car cooling blower rotor bearing disassembly-and-assembly stand, including rack (1), the rack (1) includes two branch Column (11) and the crossbeam (12) being connected between pillar (11) top, which is characterized in that crossbeam (12) both ends are respectively equipped with Locating rack (2) and adjusting bracket (3), the locating rack (2) are equipped with the screw jack for withstanding rotor bearing side (21), the adjusting bracket (3) is equipped with Manual hydraulic jack (31), and the top of the Manual hydraulic jack (31), which is equipped with, to be used The rotor spider for support rotor is equipped in the middle part of the open-close type fixture (4) of grip roll bearing, the crossbeam (12) (6), the screw-threaded shaft elevator (5) for lifting rotor bracket (6) is additionally provided on the crossbeam (12).
2. generator car cooling blower rotor bearing disassembly-and-assembly stand as described in claim 1, which is characterized in that the open-close type Fixture (4) includes two pull rods (41), and one end of the pull rod (41) is connected to Manual hydraulic jack (31) piston rod top end, The other end is connected with the fixture block (42) matched with rotor bearing, and two fixture blocks (42) clamp bearing top convex portion.
3. generator car cooling blower rotor bearing disassembly-and-assembly stand as claimed in claim 2, which is characterized in that the adjusting bracket (3) it is equipped with the adjusting handle (32) that horizontal position is pushed up for adjusting hand-hydraulic thousand.
4. generator car cooling blower rotor bearing disassembly-and-assembly stand as described in claim 1, which is characterized in that the crossbeam (12) using the I-steel of flat placement, crossbeam (12) middle part offers long waist shaped hole (121), the screw-threaded shaft elevator It (5) include jacking sleeve (51), the jacking sleeve (51) passes through long waist shaped hole (121), is equipped in the jacking sleeve (51) Elevating screw (52), the elevating screw (52) are arranged towards rotor spider (6), and the bottom end of the jacking sleeve (51), which is equipped with, to be used In the lifting handwheel (54) of driving elevating screw (52) lifting.
5. generator car cooling blower rotor bearing disassembly-and-assembly stand as claimed in claim 4, which is characterized in that the rotor support Frame (6) bottom is equipped with slip blade (61), and the slip blade (61) is located at the top of crossbeam (12) web, and width and crossbeam Spacing between (12) two side wing edges is suitable, and the jacking sleeve (51) connect with slip blade (61), crossbeam (12) abdomen Board bottom portion is equipped with steering bearing (63), and the jacking sleeve (51) is externally provided with the sheath body with steering bearing (63) rotation connection (53)。
6. generator car cooling blower rotor bearing disassembly-and-assembly stand as claimed in claim 5, which is characterized in that the sliding support Plate (61) bottom is provided along its length spring holder (7), and the spring holder (7) includes and slip blade (61) bottom The fixation pin pipe (71) that portion is fixedly connected, the fixed pin pipe (71) are a tube body, and the fixed pin pipe (71) is far from lifting set The opening inside diameter of cylinder (51) one end is less than the opening inside diameter of the other end, is equipped with shank (72), institute in the fixed pin pipe (71) It is identical as the fixed internal diameter open at one end of pin pipe (71) close to jacking sleeve (51) to state shank (72) diameter, the shank (72) One end far from jacking sleeve (51) is equipped with pulling axis (73), and the diameter for pulling axis (73) and fixed pin pipe (71) are far from liter Drop sleeve (51) internal diameter open at one end is identical and is therefrom pierced by, described that axis (73) is pulled to be equipped with drawing far from the one end of shank (72) The other end of hand (74), the shank (72) is arranged with position-limiting tube (75), and the end of the shank (72) is exposed to position-limiting tube (75) outside, it is provided with spring (76) between the position-limiting tube (75) and fixed pin pipe (71), on jacking sleeve (51) outer wall A pair of axisymmetric kidney slot (511) is offered, the length direction of the kidney slot (511) is axially set along jacking sleeve (51) It sets, the line of a pair of kidney slot (511) is parallel to the length direction of slip blade (61).
7. generator car cooling blower rotor bearing disassembly-and-assembly stand as claimed in claim 5, which is characterized in that the sliding support Plate (61) is equipped with lock handle (8) along the side of crossbeam (12) length direction, and the lock handle (8) includes being fixedly connected on cunning Locking arm (81) on dynamic supporting plate (61), locking arm (81) end bends downward and is located at the outside of crossbeam (12), described Locking arm (81) top is equipped with tight lock part (82), and the tight lock part (82) is logical equipped with the screw thread perpendicular to crossbeam (12) side Hole is threaded with tie down screw (83) in the tapped through hole.
8. generator car cooling blower rotor bearing disassembly-and-assembly stand as claimed in claim 5, which is characterized in that the sliding support Plate (61) bottom four corners are equipped with idler wheel (62).
9. generator car cooling blower rotor bearing disassembly-and-assembly stand as described in claim 1, which is characterized in that the rotor support A pair of of lesser trochanter supporting plate (64) is detachably connected on frame (6), a pair of lesser trochanter supporting plate (64), which is symmetrically disposed in, to be turned The two sides of sub- bracket (6) axis simultaneously extend along the length direction of rotor spider (6).
CN201821075984.XU 2018-07-09 2018-07-09 Generator car cooling blower rotor bearing disassembly-and-assembly stand Expired - Fee Related CN208557329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821075984.XU CN208557329U (en) 2018-07-09 2018-07-09 Generator car cooling blower rotor bearing disassembly-and-assembly stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821075984.XU CN208557329U (en) 2018-07-09 2018-07-09 Generator car cooling blower rotor bearing disassembly-and-assembly stand

Publications (1)

Publication Number Publication Date
CN208557329U true CN208557329U (en) 2019-03-01

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Application Number Title Priority Date Filing Date
CN201821075984.XU Expired - Fee Related CN208557329U (en) 2018-07-09 2018-07-09 Generator car cooling blower rotor bearing disassembly-and-assembly stand

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369693A (en) * 2019-07-15 2019-10-25 安徽诚德刷业有限公司 A kind of environmental sanitation brush brush roll casting inner core provision for disengagement
CN114260857A (en) * 2021-11-29 2022-04-01 国家能源集团煤焦化有限责任公司 Maintenance tool and maintenance method for combined press

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369693A (en) * 2019-07-15 2019-10-25 安徽诚德刷业有限公司 A kind of environmental sanitation brush brush roll casting inner core provision for disengagement
CN114260857A (en) * 2021-11-29 2022-04-01 国家能源集团煤焦化有限责任公司 Maintenance tool and maintenance method for combined press

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Granted publication date: 20190301