CN103399272A - Test tool of generator - Google Patents
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- CN103399272A CN103399272A CN2013103162361A CN201310316236A CN103399272A CN 103399272 A CN103399272 A CN 103399272A CN 2013103162361 A CN2013103162361 A CN 2013103162361A CN 201310316236 A CN201310316236 A CN 201310316236A CN 103399272 A CN103399272 A CN 103399272A
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Abstract
The invention discloses a test tool of a generator. The test tool comprises a tool body, a first deep groove ball bearing, a second deep groove ball bearing, a back bearing cover, a front bearing cover, a tool shaft and a mobile unit, wherein the tool body comprises a cylinder, wherein a front end of the cylinder is outwards expanded along a radial direction so as to form a locating disc; a bearing chamber is arranged at the center of the cylinder, and the first deep groove ball bearing and the second deep groove ball bearing are respectively located at the front and the back of the bearing chamber; the back end and the front end of the cylinder are respectively sealed by the back bearing cover and the front bearing cover, and the back bearing cover and the front bearing cover are tightly connected to the cylinder; the tool shaft penetrates through the back bearing cover, the second deep groove ball bearing, the first deep groove ball bearing and the front bearing cover in sequence, a first screw hole is formed in the front end of the tool shaft and a key groove is arranged at the back end of the tool shaft; the mobile unit is axially movably arranged on the tool body. The test tool has the advantages of simple structure, convenience for operation, labor saving, capability of realizing the test of the whole machine and high working efficiency.
Description
Technical field
The present invention relates to a kind of generator test frock, relate in particular to a kind of single-bearing, tapering connecting generator test tool.
Background technology
In prior art, generator 200 is as follows with the installation step that power packages is dressed up 200 groups, generator:
1, the front end face of front end end cover 24 the 3rd center pit 242 is inserted in the outer male half coupling of power side cover, inner by the four threaded hole lockings of 4 second screws 241 with the power side cover from front end end cover 24 with bolt;
2, the tapered hole 243 of generator 200 rotating shaft front ends is inserted in power crankshaft tapering output terminal, it will be both fastening passing the motor shaft central bore by rotor bolt 15, form rigid attachment;
3, stator core is packed into front end end cover 24 rear ends first the circle seam;
4, the bearing chamber alignment bearings of rear end cap is packed into, simultaneously the second circle seam is inserted in stator core, use finally the stator bolt with stator core and front and back ends cover locking, make the three form one.
Owing to being taper fit between generator 200 rotating shafts and power crankshaft, add the fastening of bolt,, so both cooperation is tighter, get final product transmitting torque when power running, make generator 200 output electric energy.When generator 200 turnout large (especially professional production is sold motor producer), and in order to protect positive generator 200 quality, again must be first before the assembling unit once every electrical property and physical strength are tested to generator 200,, if as stated above generator 200 is tested, will there is following problem:
1, the power oil consumption is many, noise is large, the life-span is short;
2, can't carry out disposable test (because bolt will pass from front end end cover 24 inside 4 second screws 241, with four threaded holes of power side cover, locking) to the synthetic complete machine of generator 200;
3, production efficiency is low.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of generator test frock, has the advantages such as simple in structure, easy to operate, work efficiency height.
The present invention solves the problems of the technologies described above by the following technical programs: a kind of generator test frock comprises frock body, the first deep groove ball bearing, the second deep groove ball bearing, rear bearing cover, front bearing retainer, tooling shaft and mobile unit; Described frock body comprises a cylinder, and the leading section of this cylinder radially expands outwardly, and forms a positioning disk; The center of described cylinder has a bearing chamber, and the first deep groove ball bearing and the second deep groove ball bearing lay respectively at the front and rear of bearing chamber; Described rear bearing cover and front bearing retainer seal respectively rearward end, the leading section of described cylinder, and all with cylinder, are fastenedly connected; Described tooling shaft passes rear bearing cover, the second deep groove ball bearing, the first deep groove ball bearing and front bearing retainer successively, and the leading section of this tooling shaft is provided with one first screw, and rearward end is provided with a keyway; Described mobile unit can be installed on described frock body with moving axially.
Preferably, on the outer ring of described the second deep groove ball bearing and the first a deep groove ball bearing and contiguous end is respectively equipped with a blind hole, and is fixedly connected with a stop pin on this blind hole; The internal diameter of described bearing chamber equates with the external diameter of the first deep groove ball bearing, the second deep groove ball bearing, and the inwall of this bearing chamber outwards caves in into an axial pass trough, the top setting of the contiguous bearing chamber of described axial pass trough; The degree of depth of described axial pass trough is greater than the height of described stop pin, and the width of axial pass trough is greater than the diameter of stop pin.
Preferably, described rear bearing cover and the second deep groove ball bearing are close to setting, and the front end face of this rear bearing cover is outwards outstanding corresponding to this second deep groove ball bearing place, form a flange collar, and the external diameter of flange collar equates with the external diameter of the second deep groove ball bearing.
Preferably, also be provided with a wave washer between described flange collar and the second deep groove ball bearing.
Preferably, all edges of the front end face of described rear bearing cover are equipped with 4 first helical tooths, four end to end the setting gradually of described the first helical tooth; The leading section of described front bearing retainer has a dome; Described mobile unit is S with respect to the distance that moves axially of frock body, and this mobile unit comprises swivel becket, slip ring, large single thrust bearing and push-plate; Described swivel becket has one handle, one first center pit, 4 second helical tooths and an inner circle seam; Described swivel becket is sheathed on the cylinder of frock body by this first center pit; Described 4 second helical tooths all are positioned at the rear end face of swivel becket, and with described 4 first helical tooths, are meshed, and the height of described the first helical tooth and the second helical tooth is H, and H＞S; Described inner circle seam is positioned at the front end face of swivel becket; Described slip ring comprises one second center pit, a recessed round seam and the four axle unit of evenly arranging, and this slip ring is sheathed on the cylinder of frock body by this second center pit; Described recessed round seam is positioned at the rear end face of slip ring; Four described axle unit all vertically stretch out the front end face of slip ring, and often this axle unit all passes described positioning disk, front bearing retainer and push-plate successively, and by a nut and this push-plate, are fastenedly connected; Described large single thrust bearing is sheathed on the cylinder of frock body, and is arranged between described recessed round seam and inner circle seam; The leading section of described push-plate has a ring-type and protrudes, and the central axis of this push-plate is provided with one first shoulder hole, and described tooling shaft passes this first shoulder hole, and described dome is inserted in the macropore of this first shoulder hole.
Preferably, every described axle unit arranges with described positioning disk, front bearing retainer and push-plate clearance fit respectively; Every described axle unit includes an axle and and is sheathed on spring on this axle, and the afterbody of described axle is a path section, and the end of this path section is provided with a plurality of threads, and described axle is fastenedly connected by described thread, nut and push-plate.
Preferably, the rear end face of described push-plate is equipped with a groove corresponding to described the first shoulder hole place.
Preferably, the rear portion of described front bearing retainer has a ladder pipe; Described positioning disk is provided with for four the first fixed orifices of fixed generator front end end cover and the 3rd shoulder hole that matches with described ladder pipe, and described ladder pipe is inserted in the 3rd shoulder hole, and the leading section of described the 3rd shoulder hole has a location bulge loop.
Preferably, the bottom of described positioning disk is provided with 3 second fixed orifices; Described generator test frock also comprises a base, and described base comprises leveling board and the vertical plate that is welded to each other, and this leveling board is provided with four open-works, and this vertical plate is provided with three through holes that match with described 3 second fixed orifices.
Preferably, also comprise a little single direction thrust ball bearing; The central axis of described front bearing retainer has one and passes the second shoulder hole for tooling shaft, and this second shoulder hole comprises the first aperture, second orifice, the 3rd aperture and the largest hole that sets gradually from front to back; Described little single direction thrust ball bearing is sheathed on tooling shaft, and is arranged in described second orifice; Described the first described largest hole setting of deep groove ball bearing next-door neighbour, and the internal diameter of this largest hole is greater than the external diameter of the first deep groove ball bearing.
Beneficial effect of the present invention is: have simple in structurely, easy to operate, can realize the advantage of system test, high efficiency.
Description of drawings
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the main cut-open view of frock body in generator test frock of the present invention.
Fig. 2 is the side view of frock body in generator test frock of the present invention.
Fig. 3 is the structural representation of the first deep groove ball bearing in generator test frock of the present invention.
Fig. 4 is the structural representation of rear bearing cover in generator test frock of the present invention.
Fig. 5 is the sectional elevation of front bearing retainer in generator test frock of the present invention.
Fig. 6 is the structural representation (broken section) of tooling shaft in generator test frock of the present invention.
Fig. 7 is the sectional elevation of slip ring in generator test frock of the present invention.
Fig. 8 is the sectional elevation of push-plate in generator test frock of the present invention.
Fig. 9 is the orthograph of base in generator test frock of the present invention.
Figure 10 is the overall diagram of generator test frock of the present invention.
Figure 11 is the sectional elevation of generator test frock of the present invention.
Figure 12 is the partial sectional view of existing generator.
Figure 13 is generator test frock of the present invention and the figure that coordinates of electric motor prime mover.
Figure 14 is the use constitutional diagram of generator test frock of the present invention.
Embodiment
Please consult again Fig. 1-3 and Figure 10-11, a kind of generator test frock 100, comprise frock body 1, the first deep groove ball bearing 2, the second deep groove ball bearing 3, rear bearing cover 4, front bearing retainer 5, tooling shaft 6, mobile unit 7, a little single direction thrust ball bearing 8 and a base 9; Described frock body 1 comprises a cylinder 11,4 first screw holes 12 and 4 second screw holes 13; The leading section of described cylinder 11 radially expands outwardly, and form a positioning disk 14, and the center of this cylinder 11 has a bearing chamber 111; The first deep groove ball bearing 2 and the second deep groove ball bearing 3 lay respectively at the front and rear of bearing chamber 111; On the outer ring of described the second deep groove ball bearing 3 and the first deep groove ball bearing 2 an and contiguous end is respectively equipped with a blind hole (i.e. the blind hole 31 of the blind hole 21 of the first deep groove ball bearing 2, the second deep groove ball bearing 3), and is fixedly connected with a stop pin (i.e. the stop pin 32 of the stop pin 22 of the first deep groove ball bearing 2, the second deep groove ball bearing 3) on this blind hole; The internal diameter of described bearing chamber 111 equates with the external diameter of the first deep groove ball bearing 2, the second deep groove ball bearing 3, and the inwall of this bearing chamber 111 outwards caves in into an axial pass trough 112, the top setting of described axial pass trough 112 contiguous bearing chambers 111; The degree of depth t of described axial pass trough 112 is greater than the height of described stop pin (i.e. the stop pin 32 of the stop pin 22 of the first deep groove ball bearing 2, the second deep groove ball bearing 3), and the width of axial pass trough 112 is greater than the diameter of stop pin (i.e. the stop pin 32 of the stop pin 22 of the first deep groove ball bearing 2, the second deep groove ball bearing 3); The design of described stop pin (i.e. the stop pin 32 of the stop pin 22 of the first deep groove ball bearing 2, the second deep groove ball bearing 3) and axial pass trough 112, the second deep groove ball bearing 3 and the first deep groove ball bearing 2 can only be moved axially in bearing chamber 111, do not produce radial rotating and namely prevent the circle of acting as a travelling agent, axial pass trough 112 is located at and can prevents that stop pin (i.e. the stop pin 32 of the stop pin 22 of the first deep groove ball bearing 2, the second deep groove ball bearing 3) from losing.
Please consult Figure 11, described rear bearing cover 4 and front bearing retainer 5 seal respectively rearward end, the leading section of described cylinder 11 again, and all with cylinder 11, are fastenedly connected; Described tooling shaft 6 passes rear bearing cover 4, the second deep groove ball bearing 3, the first deep groove ball bearing 2 and front bearing retainer 5 successively, tooling shaft 6 and rear bearing cover 4, front bearing retainer 5, hereinafter described be respectively the clearance fit setting between push-plate 10, to avoid tooling shaft 6 and rear bearing cover 4, front bearing retainer 5, push-plate 10, rub mutually; The leading section of described tooling shaft 6 is provided with one first screw 61, and rearward end is provided with a keyway 62.
Please consult Fig. 6 and Figure 11, described tooling shaft 6 comprises a tapering shaft extension 63, two bearings shelves 64 and a cylinder shaft extension 65 that sets gradually from front to back again; Described the first screw 61 and keyway 62 are located at respectively on the side of the central axis of tapering shaft extension 63 and cylinder shaft extension 65; The first deep groove ball bearing 2 and the second deep groove ball bearing 3 are sheathed on respectively on two bearings shelves 64, and the bearing guard 64 that is positioned at front end is used for installing the first deep groove ball bearing 2 and little single direction thrust ball bearing 8; Described tapering shaft extension 63 is used for connecting generator 200 rotors; Described the first screw 61 is used for fastening generator 200 rotor bolts 15; Cylinder shaft extension 65 and keyway 62 are seen Figure 13 for belt pulley or shaft coupling 16(are installed).
Please consult again Fig. 4 and Figure 11, described rear bearing cover 4 and the second deep groove ball bearing 3 are close to setting, the front end face of this rear bearing cover 4 is outwards outstanding corresponding to these the second deep groove ball bearing 3 places, form a flange collar 41, and the external diameter of flange collar 41 equates with the external diameter of the second deep groove ball bearing 3, is used for the axial location of the second deep groove ball bearing 3; Also be provided with a wave washer 17 between described flange collar 41 and the second deep groove ball bearing 3; Rely on the elastic force of wave washer 17 that tooling shaft 6 is pushed away forward, be easy to the location of tooling shaft 6 and described little single direction thrust ball bearing 8.Edge was equipped with 4 first helical tooths 42, four described first helical tooth 42 was end to end and set gradually the front end face of described rear bearing cover 4 week; Also be provided with 4 second counterbore 43, four second counterbores 43 and described 4 first screw hole 12 position consistency on rear bearing cover 4, be used for passing for the first bolt 18 cylinder 11 that rear bearing cover 4 is anchored on frock body 1.
Please consult Figure 10-11, described mobile unit 7 can be installed on described frock body 1 with moving axially again, and this mobile unit 7 comprises swivel becket 71, slip ring 72, large single thrust bearing 73 and push-plate 10; Be respectively the clearance fit setting between described swivel becket 71, slip ring 72 and large single thrust bearing 73 and described cylinder 11, be that swivel becket 71 can rotate with respect to described cylinder 11, and described swivel becket 71, slip ring 72, large single thrust bearing 73 and push-plate 10 can endwisely slip with respect to described cylinder 11; Described swivel becket 71 has one handle 711, one first center pit (not shown), 4 second helical tooths 712 and an inner circle seam 713; Described swivel becket 71 is sheathed on the cylinder 11 of frock body 1 by this first center pit; Described 4 second helical tooths 712 all are positioned at the rear end face of swivel becket 71, and with described 4 first helical tooths 42, are meshed, and the height of described the first helical tooth 42 and the second helical tooth 712 is H; Described mobile unit 7 is S with respect to the distance that moves axially of frock body 1, and H＞S; Namely when rotating the handle 711 of swivel becket 71, produce axial displacement and be limited to S, and necessary H＞S, otherwise can slide into next tooth; Described inner circle seam 713 is positioned at the front end face of swivel becket 71.
Please consult Fig. 7 and Figure 11, described slip ring 72 comprises one second center pit 721, a recessed round seam 722 and the four axle unit 723 of evenly arranging again, and this slip ring 72 is sheathed on the cylinder 11 of frock body 1 by this second center pit 721; Described recessed round seam 722 is positioned at the rear end face of slip ring 72; Four described axle unit 723 all vertically stretch out the front end face of slip ring 72, and often this axle unit 723 all passes described positioning disk 14, front bearing retainer 5 and push-plate 10 successively, and by a nut 19, with this push-plate 10, are fastenedly connected; Every described axle unit 723 respectively with described positioning disk 14, front bearing retainer 5 and push-plate 10 clearance fit settings; Every described axle unit 723 includes an axle 7231 and and is sheathed on spring 7232 on this axle 7231, the afterbody of described axle 7231 is a path section 7231a, and the end of this path section 7231a is provided with a plurality of thread 7231b, and described axle 7231 is fastenedly connected with push-plate 10 by described thread 7231b, nut 19.The effect of described spring 7232 is: under spring 7232 elastic force effects, be easy to the location of described push-plate 10, swivel becket 71, large single thrust bearing 73, slip ring 72, and guarantee the parts such as swivel becket 71, large single thrust bearing 73, slip ring 72 and push-plate 10, do not produce vibrations and mobile in generator 200 processs of the test.
Please consult Fig. 8 and Figure 11, described large single thrust bearing 73 is sheathed on the cylinder 11 of frock body 1 again, and is arranged between described recessed round seam 722 and inner circle seam 713.The leading section of described push-plate 10 has a ring-type and protrudes 101, and the central axis of this push-plate 10 is provided with one first shoulder hole 102, described tooling shaft 6 pass this first shoulder hole 102, and hereinafter described dome 51 is inserted in the macropore 102a of this first shoulder hole 102; The aperture 102b internal diameter of the first shoulder hole 102, greater than the maximum outside diameter of the tapering shaft extension 63 of tooling shaft 6, rubs mutually to avoid tooling shaft 6 and push-plate 10.The rear end face of described push-plate 10 is equipped with a groove 103 corresponding to described the first shoulder hole 102 places, and the setting of groove 103 is in order to avoid hereinafter described the second bolt 20, makes between push-plate 10 and front bearing retainer 5 mounting structure compacter.The periphery of described groove 103 also is provided with four apertures 104, and the path section 7231a position consistency of four radical center rods 7231 on aperture 104 positions, hole and slip ring 72 is used for passing for four radical center rods 7231.
Please consult Fig. 5 and Figure 11, the leading section of described front bearing retainer 5 has a dome 51 again, and the rear portion of this front bearing retainer 5 has a ladder pipe 52; The central axis of described front bearing retainer 5 has one and passes the second shoulder hole 53 for tooling shaft 6, and this second shoulder hole 53 comprises the first aperture 531, second orifice 532, the 3rd aperture 533 and the largest hole 534 that sets gradually from front to back; Described the first aperture 531 apertures, greater than two bearings shelves 64 external diameters of tooling shaft 6, rub mutually to avoid tooling shaft 6 and front bearing retainer 5.Described little single direction thrust ball bearing 8 is sheathed on tooling shaft 6, and is arranged in described second orifice 532, and second orifice 532 apertures equate with the external diameter of little single direction thrust ball bearing 8; The 3rd aperture 533 apertures rub with front bearing retainer 5 with the blowout patche of avoiding little single direction thrust ball bearing 8 mutually greater than little single direction thrust ball bearing 8 external diameters.Described the first deep groove ball bearing 2 described largest hole 534 of next-door neighbour arrange, and the internal diameter of this largest hole 534 is greater than the external diameter of the first deep groove ball bearing 2, (while preventing that the first deep groove ball bearing 2 from occurring to move axially forward, described largest hole 534 can be blocked the first deep groove ball bearing 2), the inner ring of described the first deep groove ball bearing 2 is close to the blowout patche of little single direction thrust ball bearing 8.Also be provided with 4 first counterbores 54 and 4 second circular holes 55 on described front bearing retainer 5; 4 first counterbores 54 are consistent with 4 second screw hole 13 positions, hole, for the second bolt 20, pass front bearing retainer 5 is anchored on described cylinder 11; Four axle 7231 position consistency of 4 second circular hole 55 positions, hole and slip ring 72, aperture is slightly larger than axle 7231 external diameters, for axle 7231, passes.
Please consult again Fig. 1-2 and Figure 11, described positioning disk 14 is provided with for four the first fixed orifices 141 of fixed generator 200 front end end covers 24 and the 3rd shoulder hole 142 that matches with described ladder pipe 52, described ladder pipe 52 is inserted in described the 3rd shoulder hole 142, and the leading section of described the 3rd shoulder hole 142 has a location bulge loop 143.The external diameter of positioning convex ring 143 is consistent with the 3rd center pit 242 of described generator 200 front end end cover 24 front ends, be used for described front end end cover 24 radial locations, the front end face of described positioning disk 14 is used for described generator 200 axial location, four the second screws 241 of described generator 200 front end end cover 24 front ends of the Kong Weiyu of the first fixed orifice 141 are consistent, are used for the 4th bolt 23 and pass fastening generator 200.Also be provided with four radical center rod 7231 position consistency on 4 first circular hole 144, the first circular hole 144 positions, hole and slip ring 72 on positioning disk 14, aperture, greater than described spring 7232 external diameters, is used for passing for axle 7231 and spring 7232.The bottom of described positioning disk 14 is provided with 3 second fixed orifices 145.
Please consult Fig. 9-11, described base 9 comprises leveling board 91 and the vertical plate 92 that is welded to each other again, and this leveling board 91 is provided with four open-works 911, is used for the present invention is fixed on hereinafter described pedestal 25; This vertical plate 92 is provided with three through holes 921 that match with described 3 second fixed orifices 145; 3 second fixed orifice 145 position consistency of through hole 921 positions, hole and described frock body 1 below, pass with frock body 1 fastening for the 3rd bolt 15.
Please consult Figure 12-14, when application the present invention worked, operation steps was as follows again:
(1) see also Fig. 2 and Figure 12,65 places load onto shaft coupling 16 in described cylinder shaft extension, it is motor with prime mover 300(that the leveling board of described base 9 91 is fastened on pedestal 25) connect and (or at described cylinder shaft extension 65 places and prime mover 300 shaft extensions, load onto belt pulley, adopt the band transmission), prime mover 300 is varying-speed motor or common motor+frequency converter.
(2) please consult again Fig. 1-2 and Figure 11, Figure 13, generator 200 tapered holes 243 are aimed at described tapering shaft extension 63, the 3rd center pit 242 of front end end cover 24 is aimed at positioning convex ring 143 and is packed into, with the 4th bolt 23, that front end end cover 24 is fastening, then pass open-work in rotating shaft 244 from generator 200 rotating shaft rear ends with rotor bolt 15 fastening with the first screw 61 of described tapering shaft extension 63.
(3) start prime mover 300 and adjusting rotary speed, make generator 200 reach the requirement frequency, then every electrical property is tested detection.
(4) please consult Fig. 1-2, Fig. 6, Fig. 9 and Figure 13-14, properties is completed again, and cuts off prime mover 300 power supplys, and testing equipment is stopped operating, and withdraws from rotor bolt 15 and the 4th bolt 23, because rear bearing cover 4 is fixed on described frock body 1, 4 first helical tooths 42 on rear bearing cover 4 are meshed with 4 second helical tooths 712 of swivel becket 71, rotate the handle 711 of swivel becket 71, swivel becket 71 axially moves forward, and promote described large single thrust bearing 73, slip ring 72 and push-plate 10 move forward together, making the ring-type of push-plate 10 protrude 101 moves forward and withstands generator 200 rotating shaft end faces 245, when being rotated further described handle 711, because generator 200 tapered holes 243 coordinate tighter with described tapering shaft extension 63, so when generator 200 rotating shaft tapered holes 243 push away from the tapering shaft extension 63 with tooling shaft 6 coordinates, tooling shaft 6 will be subject to larger axial tension forward, this moment little single direction thrust ball bearing 8 will play in this process the protection the first deep groove ball bearing 2 effect (little single direction thrust ball bearing 8 characteristics are to bear axial force, the first deep groove ball bearing 2 and the second deep groove ball bearing 3 characteristics are mainly bearing radial forces), described large single direction thrust ball bearing 73 plays laborsaving and anti-skidding ring 72, the effect that push-plate 10 rotates.
(5) with described handle 711 counter-rotation, under the elastic force effect of spring 7232, described swivel becket 71, large single thrust bearing 73, slip ring 72, push-plate 10 will be got back to original position, then take off generator 200, prepare next generator test.
In order to improve the problems referred to above, the present invention is with the synthetic complete machine of generator 200 parts, and the design specialized test tool, by direct motor drive, carries out disposable complete machine test.The present invention has novelty simple in structure, easy to operate, can realize system test, the advantage of increasing work efficiency.
Claims (10)
1. a generator test frock, is characterized in that: comprise frock body, the first deep groove ball bearing, the second deep groove ball bearing, rear bearing cover, front bearing retainer, tooling shaft and mobile unit; Described frock body comprises a cylinder, and the leading section of this cylinder radially expands outwardly, and forms a positioning disk; The center of described cylinder has a bearing chamber, and the first deep groove ball bearing and the second deep groove ball bearing lay respectively at the front and rear of bearing chamber; Described rear bearing cover and front bearing retainer seal respectively rearward end, the leading section of described cylinder, and all with cylinder, are fastenedly connected; Described tooling shaft passes rear bearing cover, the second deep groove ball bearing, the first deep groove ball bearing and front bearing retainer successively, and the leading section of this tooling shaft is provided with one first screw, and rearward end is provided with a keyway; Described mobile unit can be installed on described frock body with moving axially.
2. generator test frock as claimed in claim 1, is characterized in that: also be close to an end on the outer ring of described the second deep groove ball bearing and the first deep groove ball bearing and be respectively equipped with a blind hole, and be fixedly connected with a stop pin on this blind hole; The internal diameter of described bearing chamber equates with the external diameter of the first deep groove ball bearing, the second deep groove ball bearing, and the inwall of this bearing chamber outwards caves in into an axial pass trough, the top setting of the contiguous bearing chamber of described axial pass trough; The degree of depth of described axial pass trough is greater than the height of described stop pin, and the width of axial pass trough is greater than the diameter of stop pin.
3. generator test frock as claimed in claim 1, it is characterized in that: described rear bearing cover and the second deep groove ball bearing are close to setting, the front end face of this rear bearing cover is outwards outstanding corresponding to this second deep groove ball bearing place, form a flange collar, and the external diameter of flange collar equates with the external diameter of the second deep groove ball bearing.
4. generator test frock as claimed in claim 3, is characterized in that: also be provided with a wave washer between described flange collar and the second deep groove ball bearing.
5. generator test frock as claimed in claim 1 is characterized in that: the front end face week edge of described rear bearing cover is equipped with 4 first helical tooths, four end to end the setting gradually of described the first helical tooth; The leading section of described front bearing retainer has a dome; Described mobile unit is S with respect to the distance that moves axially of frock body, and this mobile unit comprises swivel becket, slip ring, large single thrust bearing and push-plate; Described swivel becket has one handle, one first center pit, 4 second helical tooths and an inner circle seam; Described swivel becket is sheathed on the cylinder of frock body by this first center pit; Described 4 second helical tooths all are positioned at the rear end face of swivel becket, and with described 4 first helical tooths, are meshed, and the height of described the first helical tooth and the second helical tooth is H, and H＞S; Described inner circle seam is positioned at the front end face of swivel becket; Described slip ring comprises one second center pit, a recessed round seam and the four axle unit of evenly arranging, and this slip ring is sheathed on the cylinder of frock body by this second center pit; Described recessed round seam is positioned at the rear end face of slip ring; Four described axle unit all vertically stretch out the front end face of slip ring, and often this axle unit all passes described positioning disk, front bearing retainer and push-plate successively, and by a nut and this push-plate, are fastenedly connected; Described large single thrust bearing is sheathed on the cylinder of frock body, and is arranged between described recessed round seam and inner circle seam; The leading section of described push-plate has a ring-type and protrudes, and the central axis of this push-plate is provided with one first shoulder hole, and described tooling shaft passes this first shoulder hole, and described dome is inserted in the macropore of this first shoulder hole.
6. generator test frock as claimed in claim 5 is characterized in that: every described axle unit arranges with described positioning disk, front bearing retainer and push-plate clearance fit respectively; Every described axle unit includes an axle and and is sheathed on spring on this axle, and the afterbody of described axle is a path section, and the end of this path section is provided with a plurality of threads, and described axle is fastenedly connected by described thread, nut and push-plate.
7. generator test frock as claimed in claim 5, it is characterized in that: the rear end face of described push-plate is equipped with a groove corresponding to described the first shoulder hole place.
8. generator test frock as claimed in claim 1, it is characterized in that: the rear portion of described front bearing retainer has a ladder pipe; Described positioning disk is provided with for four the first fixed orifices of fixed generator front end end cover and the 3rd shoulder hole that matches with described ladder pipe, and described ladder pipe is inserted in the 3rd shoulder hole, and the leading section of described the 3rd shoulder hole has a location bulge loop.
9. generator test frock as claimed in claim 8, it is characterized in that: the bottom of described positioning disk is provided with 3 second fixed orifices; Described generator test frock also comprises a base, and described base comprises leveling board and the vertical plate that is welded to each other, and this leveling board is provided with four open-works, and this vertical plate is provided with three through holes that match with described 3 second fixed orifices.
10. generator test frock as claimed in claim 1, is characterized in that: also comprise a little single direction thrust ball bearing; The central axis of described front bearing retainer has one and passes the second shoulder hole for tooling shaft, and this second shoulder hole comprises the first aperture, second orifice, the 3rd aperture and the largest hole that sets gradually from front to back; Described little single direction thrust ball bearing is sheathed on tooling shaft, and is arranged in described second orifice; Described the first described largest hole setting of deep groove ball bearing next-door neighbour, and the internal diameter of this largest hole is greater than the external diameter of the first deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316236.1A CN103399272B (en) | 2013-07-25 | 2013-07-25 | Test tool of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316236.1A CN103399272B (en) | 2013-07-25 | 2013-07-25 | Test tool of generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103399272A true CN103399272A (en) | 2013-11-20 |
| CN103399272B CN103399272B (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310316236.1A Active CN103399272B (en) | 2013-07-25 | 2013-07-25 | Test tool of generator |
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| CN (1) | CN103399272B (en) |
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| CN107831439A (en) * | 2017-11-23 | 2018-03-23 | 中国第汽车股份有限公司 | A kind of BSG motor stand tests frock and its test method |
| CN107942247A (en) * | 2017-11-28 | 2018-04-20 | 广州市昊志机电股份有限公司 | A kind of electromechanical testing tool structure |
| CN107941614A (en) * | 2017-12-01 | 2018-04-20 | 绍兴文理学院 | A kind of rock fracture creep test system |
| CN108344945A (en) * | 2018-01-30 | 2018-07-31 | 武汉征原电气有限公司 | A kind of single-bearing machine test tool |
| CN111922952A (en) * | 2020-09-02 | 2020-11-13 | 成都中车电机有限公司 | Direct-current traction motor test rack mounting device and mounting method thereof |
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