CN203396918U - Generator testing tool - Google Patents
Generator testing tool Download PDFInfo
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- CN203396918U CN203396918U CN201320447370.0U CN201320447370U CN203396918U CN 203396918 U CN203396918 U CN 203396918U CN 201320447370 U CN201320447370 U CN 201320447370U CN 203396918 U CN203396918 U CN 203396918U
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Abstract
Provided is a generator testing tool, comprising a tool body, a first deep groove ball bearing, a second deep groove ball bearing, a rear bearing cap, a front bearing cap, a tool shaft and a moving unit. The tool body comprises a cylinder, the front end of which is expanded outwardly along the radial direction, forming a positioning disk. The central part of the cylinder has a bearing chamber. The first deep groove ball bearing and the second deep groove ball bearing are positioned before and behind the bearing chamber, respectively. The rear end and the front end of the cylinder are respectively sealed by the rear bearing cap and the front bearing cap, which are fixedly connected to the cylinder. The tool shaft passes through the rear bearing cap, the second deep groove ball bearing, the first deep groove ball bearing and the front bearing cap in order. The front end of the tool shaft is provided with a first screw hole, and the rear end is provided with a key groove. The moving unit is mounted on the tool body in a manner of being movable in the axial direction. With a simple structure, the generator testing tool of the utility model which is easy to operate and saves labor has the advantages of overall test and high working efficiency.
Description
Technical field
The utility model relates to a kind of generator test frock, relates 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 to the outer male half coupling of power side cover, with bolt, from front end end cover 24 inside by 4 second screws 241 and four threaded holes of power side cover, locks;
2, the tapered hole 243 of generator 200 rotating shaft front ends is inserted in to power crankshaft tapering output terminal, through motor shaft central bore, the two is fastening by rotor bolt 15, form rigid attachment;
3, the first circle seam that stator core is packed into front end end cover 24 rear ends;
4, the bearing chamber alignment bearings of rear end cap is packed into, the second circle seam is inserted in to stator core simultaneously, finally use stator bolt by stator core and front and back ends cover locking, make three form one.
Owing to being taper fit between generator 200 rotating shafts and power crankshaft, add the fastening of bolt, so the two cooperation is tighter, when power running, get final product transmitting torque, 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 assembling unit to generator 200, once every electrical property and physical strength are tested, if as stated above generator 200 is tested, will there is following problem:
1, power oil consumption is many, noise is large, the life-span is short;
2, the synthetic complete machine of generator 200 cannot be carried out to disposable test (because bolt will be locked through 4 second screws 241 and four threaded holes of power side cover from front end end cover 24 is inner);
3, production efficiency is low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of generator test frock, have simple in structure, easy to operate, work efficiency advantages of higher.
The utility model 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 are all fastenedly connected with cylinder; Described tooling shaft is successively through rear bearing cover, the second deep groove ball bearing, the first deep groove ball bearing and front bearing retainer, 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 axially movably be installed on described frock body.
Preferably, on the outer ring of described the second deep groove ball bearing and a first deep groove ball bearing and contiguous place, end is provided with respectively a blind hole, and in this blind hole, is fixedly connected with a stop pin; 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, between described flange collar and the second deep groove ball bearing, be also provided with a wave washer.
Preferably, all edges of the front end face of described rear bearing cover are equipped with 4 first helical tooths, and described in four, the first helical tooth is end to end sets gradually; The leading section of described front bearing retainer has a dome; Described mobile unit moves axially distance for S with respect to 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 are all positioned at the rear end face of swivel becket, and are meshed with described 4 first helical tooths, 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; Described in four, axle unit all vertically stretches 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 is fastenedly connected by a nut and this push-plate; 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 is through 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 the 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 matching 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 positioning convex ring.
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 being 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 setting 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 deep groove ball bearing is close to described largest hole setting, and the internal diameter of this largest hole is greater than the external diameter of the first deep groove ball bearing.
The beneficial effects of the utility model are: have simple in structure, easy to operately, can realize system test, advantage that work efficiency is high.
Accompanying drawing explanation
The utility model 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 the utility model generator test frock.
Fig. 2 is the side view of frock body in the utility model generator test frock.
Fig. 3 is the structural representation of the first deep groove ball bearing in the utility model generator test frock.
Fig. 4 is the structural representation of rear bearing cover in the utility model generator test frock.
Fig. 5 is the sectional elevation of front bearing retainer in the utility model generator test frock.
Fig. 6 is the structural representation (broken section) of tooling shaft in the utility model generator test frock.
Fig. 7 is the sectional elevation of slip ring in the utility model generator test frock.
Fig. 8 is the sectional elevation of push-plate in the utility model generator test frock.
Fig. 9 is the orthograph of base in the utility model generator test frock.
Figure 10 is the overall diagram of the utility model generator test frock.
Figure 11 is the sectional elevation of the utility model generator test frock.
Figure 12 is the partial sectional view of existing generator.
Figure 13 is the utility model generator test frock and the figure that coordinates of electric motor prime mover.
Figure 14 is the use constitutional diagram of the utility model generator test frock.
Embodiment
Referring again to Fig. 1-3 and Figure 10-11, a kind of generator test frock 100, comprises 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, the little single direction thrust ball bearing 8 of mobile unit 7, one 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 forms a positioning disk 14, and this cylinder 11 center 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 a first deep groove ball bearing 2 and contiguous place, end is provided with respectively a blind hole (i.e. the blind hole 21 of the first deep groove ball bearing 2, the blind hole 31 of the second deep groove ball bearing 3), and in this blind hole, is fixedly connected with a stop pin (i.e. the stop pin 22 of the first deep groove ball bearing 2, the stop pin 32 of the second deep groove ball bearing 3); 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, described axial pass trough 112 contiguous bearing chamber 111 tops settings; 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 22 of the first deep groove ball bearing 2, the stop pin 32 of 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 22 of the first deep groove ball bearing 2, the stop pin 32 of the second deep groove ball bearing 3); The design of described stop pin (i.e. the stop pin 22 of the first deep groove ball bearing 2, the stop pin 32 of the second deep groove ball bearing 3) and axial pass trough 112, can make the second deep groove ball bearing 3 and the first deep groove ball bearing 2 can only move axially in bearing chamber 111, do not produce radial rotating and 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 22 of the first deep groove ball bearing 2, the stop pin 32 of the second deep groove ball bearing 3) from losing.
Referring again to Figure 11, described rear bearing cover 4 and front bearing retainer 5 seal respectively rearward end, the leading section of described cylinder 11, and are all fastenedly connected with cylinder 11; Described tooling shaft 6 is successively through rear bearing cover 4, the second deep groove ball bearing 3, the first deep groove ball bearing 2 and front bearing retainer 5, tooling shaft 6 and rear bearing cover 4, front bearing retainer 5, hereinafter described between push-plate 10, be respectively clearance fit setting, to avoid tooling shaft 6 and rear bearing cover 4, front bearing retainer 5, push-plate 10 to 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.
Referring again to Fig. 6 and Figure 11, described tooling shaft 6 comprises a tapering shaft extension 63, two bearings shelves 64 and the cylinder shaft extension 65 setting gradually from front to back; Described the first screw 61 and keyway 62 are located at respectively in the central axis and cylinder shaft extension 65 side of tapering shaft extension 63; The first deep groove ball bearing 2 and the second deep groove ball bearing 3 are sheathed on respectively on two bearings shelves 64, are positioned at the bearing guard 64 of front end for the first deep groove ball bearing 2 and little single direction thrust ball bearing 8 are installed; Described tapering shaft extension 63 is for connecting generator 200 rotors; Described the first screw 61 is for fastening generator 200 rotor bolts 15; Cylinder shaft extension 65 and keyway 62 are for installing belt pulley or shaft coupling 16(is shown in Figure 13).
Referring again to 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, for the axial location of the second deep groove ball bearing 3; Between described flange collar 41 and the second deep groove ball bearing 3, be also provided with a wave washer 17; 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.Front end face week edge of described rear bearing cover 4 is equipped with described in 4 first helical tooths 42, four first helical tooth 42 is end to end and sets gradually; On rear bearing cover 4, be also provided with 4 second counterbore 43, four second counterbores 43 and described 4 first screw hole 12 position consistency, for passing for the first bolt 18 cylinder 11 that rear bearing cover 4 is anchored on to frock body 1.
Referring again to Figure 10-11, described mobile unit 7 can axially movably be installed on described frock body 1, and this mobile unit 7 comprises swivel becket 71, slip ring 72, large single thrust bearing 73 and push-plate 10; Between described swivel becket 71, slip ring 72 and large single thrust bearing 73 and described cylinder 11, be respectively clearance fit setting, 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 are all positioned at the rear end face of swivel becket 71, and are meshed with described 4 first helical tooths 42, and the height of described the first helical tooth 42 and the second helical tooth 712 is H; Described mobile unit 7 moves axially distance for S with respect to frock body 1, and H > S; 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.
Referring again to Fig. 7 and Figure 11, described slip ring 72 comprises the recessed round seam 722 of one second center pit 721, one and the four axle unit 723 of evenly arranging, 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; Described in four, axle unit 723 all vertically stretches 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 is fastenedly connected with this push-plate 10 by a nut 19; 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 the 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, 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, in generator 200 processs of the test, do not produce vibrations and mobile.
Referring again to Fig. 8 and Figure 11, described large single thrust bearing 73 is sheathed on the cylinder 11 of frock body 1, 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 through 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 is greater than the maximum outside diameter of the tapering shaft extension 63 of tooling shaft 6, to avoid tooling shaft 6 and push-plate 10 to rub mutually.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 is also 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, for passing for four radical center rods 7231.
Referring again to Fig. 5 and Figure 11, the leading section of described front bearing retainer 5 has a dome 51, 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 setting gradually from front to back; Described the first aperture 531 apertures are greater than two bearings shelves 64 external diameters of tooling shaft 6, to avoid tooling shaft 6 and front bearing retainer 5 to rub mutually.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 are greater than little single direction thrust ball bearing 8 external diameters to avoid the blowout patche of little single direction thrust ball bearing 8 to rub mutually with front bearing retainer 5.The described largest hole 534 of described the first deep groove ball bearing 2 next-door neighbour arranges, 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.On described front bearing retainer 5, be also provided with 4 first counterbores 54 and 4 second circular holes 55; 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 to 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.
Referring again to 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 matching 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 positioning convex ring 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, for described front end end cover 24 radial locations, the front end face of described positioning disk 14 is for described generator 200 axial location, described in the Kong Weiyu of the first fixed orifice 141, four the second screws 241 of generator 200 front end end cover 24 front ends are consistent, for the 4th bolt 23, pass fastening generator 200.On positioning disk 14, be also 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, aperture is greater than described spring 7232 external diameters, for passing for axle 7231 and spring 7232.The bottom of described positioning disk 14 is provided with 3 second fixed orifices 145.
Referring again to Fig. 9-11, described base 9 comprises leveling board 91 and the vertical plate 92 being welded to each other, and this leveling board 91 is provided with four open-works 911, for the utility model being fixed on to 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 fastening with frock body 1 for the 3rd bolt 15.
Referring again to Figure 12-14, when the work of application the utility model, operation steps is as follows:
(1) refer to Fig. 2 and Figure 12, in described cylinder shaft extension, 65 places load onto shaft coupling 16, it is motor with prime mover 300(that the leveling board of described base 9 91 is fastened on pedestal 25) connect and (or load onto belt pulley at described cylinder shaft extension 65 places and prime mover 300 shaft extensions, adopt band transmission), prime mover 300 is varying-speed motor or common motor+frequency converter.
(2) referring again to Fig. 1-2 and Figure 11, Figure 13, generator 200 tapered holes 243 are aimed to 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, front end end cover 24 is fastening, more fastening with the first screw 61 of described tapering shaft extension 63 through open-work in rotating shaft 244 from generator 200 rotating shaft rear ends with rotor bolt 15.
(3) start prime mover 300 adjusting rotary speed, make generator 200 reach required frequency, then every electrical property is tested to detection.
(4) referring again to Fig. 1-2, Fig. 6, Fig. 9 and Figure 13-14, properties is completed, and cuts off prime mover 300 power supplys, and testing equipment is stopped operating, and exits 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 tooling shaft 6 will be subject to larger axial tension forward when generator 200 rotating shaft tapered holes 243 push away from the tapering shaft extension 63 with tooling shaft 6 coordinates, in this process, by the effect of playing protection the first deep groove ball bearing 2, (little single direction thrust ball bearing 8 features are to bear axial force to now little single direction thrust ball bearing 8, the first deep groove ball bearing 2 and the second deep groove ball bearing 3 features 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), by 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 utility model is by the synthetic complete machine of generator 200 parts, and design specialized test tool, by direct motor drive, carries out disposable complete machine test.The utlity model has novelty simple in structure, easy to operate, the advantage of can realize system test, 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 are all fastenedly connected with cylinder; Described tooling shaft is successively through rear bearing cover, the second deep groove ball bearing, the first deep groove ball bearing and front bearing retainer, 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 axially movably be installed on described frock body.
2. generator test frock as claimed in claim 1, is characterized in that: on the outer ring of described the second deep groove ball bearing and a first deep groove ball bearing and contiguous place, end is provided with respectively a blind hole, and in this blind hole, is fixedly connected with a stop pin; 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: between described flange collar and the second deep groove ball bearing, be also provided with a wave washer.
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, and described in four, the first helical tooth is end to end sets gradually; The leading section of described front bearing retainer has a dome; Described mobile unit moves axially distance for S with respect to 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 are all positioned at the rear end face of swivel becket, and are meshed with described 4 first helical tooths, 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; Described in four, axle unit all vertically stretches 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 is fastenedly connected by a nut and this push-plate; 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 is through 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 the 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, 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, 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 matching 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 positioning convex ring.
9. generator test frock as claimed in claim 8, 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 being 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 setting 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 deep groove ball bearing is close to described largest hole setting, 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 |
|---|---|---|---|
| CN201320447370.0U CN203396918U (en) | 2013-07-25 | 2013-07-25 | Generator testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447370.0U CN203396918U (en) | 2013-07-25 | 2013-07-25 | Generator testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396918U true CN203396918U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447370.0U Expired - Lifetime CN203396918U (en) | 2013-07-25 | 2013-07-25 | Generator testing tool |
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| CN (1) | CN203396918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399272A (en) * | 2013-07-25 | 2013-11-20 | 福建永强力加动力设备有限公司 | Test tool of generator |
| CN110429755A (en) * | 2019-07-27 | 2019-11-08 | 巨力自动化设备（浙江）有限公司 | Motor rotary swing mechanism |
-
2013
- 2013-07-25 CN CN201320447370.0U patent/CN203396918U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399272A (en) * | 2013-07-25 | 2013-11-20 | 福建永强力加动力设备有限公司 | Test tool of generator |
| CN103399272B (en) * | 2013-07-25 | 2015-08-12 | 福建永强力加动力设备有限公司 | Test tool of generator |
| CN110429755A (en) * | 2019-07-27 | 2019-11-08 | 巨力自动化设备（浙江）有限公司 | Motor rotary swing mechanism |
| CN110429755B (en) * | 2019-07-27 | 2024-05-10 | 巨力自动化设备（浙江）有限公司 | Motor rotary swing mechanism |
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