CN104118785B - Permanent magnetism drives towing machine by force - Google Patents
Permanent magnetism drives towing machine by force Download PDFInfo
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- CN104118785B CN104118785B CN201410308220.0A CN201410308220A CN104118785B CN 104118785 B CN104118785 B CN 104118785B CN 201410308220 A CN201410308220 A CN 201410308220A CN 104118785 B CN104118785 B CN 104118785B
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Abstract
A kind of permanent magnetism drives towing machine by force, belongs to elevator traction technical field of driving.Comprise casing, its forward and backward tank wall offers electricity loss brake mating cavity; Internal rotor, is bearing on casing; Stator, is located at the middle part of internal rotor; Outer rotor, is positioned at box cavity, and magnet steel fixed by the chamber wall of rotor chamber outside; The left and right end of left and right traction cylinder and internal rotor is fixed; The position of the electricity loss brake mating cavity of an electricity loss brake before correspondence is opened on tank wall is fixed with casing and coordinates with outer rotor, another electricity loss brake is fixed with casing in the position that correspondence is opened in the electricity loss brake mating cavity on rear box wall and is coordinated with outer rotor, in a pair internal rotor block bearing, the internal rotor block bearing being positioned at right side coordinates with outer rotor.Structure is terse, operates steadily and good reliability; Reduce braking force transmission link and improve brake efficiency; Good energy-conserving effect, volume is little, easy for installation; Reduce towing machine oneself power consumption, compact conformation.
Description
Technical field
The invention belongs to elevator traction technical field of driving, be specifically related to a kind of permanent magnetism and drive towing machine by force.
Background technology
Above mentioned permanent magnetism drives by force towing machine to be permanent magnetism and forces to drive towing machine, and more particularly draw mode is by the towing machine drawn car around the steel rope on traction cylinder.
The elevator traction machine being applied to building mainly contains two kinds: one for phase asynchronous towing machine (also claiming phase asynchronous towing machine); Two is gearless permanent-magnet synchronous traction machine.The former namely phase asynchronous towing machine due to asynchronous dynamo and drop-gear box efficiency low, towing machine relative energy consumption is larger, and asynchronous dynamo height electromagnetic noise brings discomfort to people, simultaneously because drop-gear box lubricating oil occurs seepage often, to environmental effects, thus suffer the cold reception of industry and can not market be dominated.The latter and gearless permanent-magnet synchronous traction machine can make up the former shortcoming, thus comparatively have good market outlook by the favor of industry.
The technical information driving by force towing machine about permanent magnetism can be seen in disclosed Chinese patent literature, as CN101259914A(external rotor type permanent magnetism synchronous gearless machine), CN101234724A(has the external rotor type permanent magnetism synchronous gearless machine of two end supports), the permanent magnetic synchronous traction machine of CN201574016U(mono-kind with support) and CN102838014A(spool type force to drive permanent-magnet synchnorous gearless dragging machine).
Typically as " the Direct driver synchronous dragger with Nd-Fe-B permanent magnetic rotor " of invention patent mandate notification number CN1141775C recommendation, this patent formula has the technique effect that its Instructions Page 2 the 18 to 21 row is recorded, but there is following shortcoming: one, due to outer rotor yoke both as salient pole magnet steel support and form the magnetic loop of motor, also as the support of fixing traction sheave, and outer rotor is also direct as brake wheel (Instructions Page 3 the 6 to 8 row) when power-off brake, that is outer rotor has three functions concurrently simultaneously, one is the carrier as arranging salient pole magnet steel, two is Direct driver traction sheaves, three is as brake component, particularly traction sheave and outer rotor fixed and formed overall (Instructions Page 3 the 9 to 10 row), no matter be thus make, or assembling and maintenance all comparatively bother, such as when outer rotor or traction sheave will be changed, both can only be replaced in the lump, and involve the salient pole magnet steel be arranged on outer rotor simultaneously, they are two years old, because the structure of casing (patent claims " stator outer shroud ") is lost rationally, thus independently brake component volume is large, complex structure install trouble to cause two to overlap, the external rotor brake of brake control lever that such as needs use a pair tediously long (specifically can see Fig. 2 of Instructions Page 3 the 14 to 18 row of this patent and this patent).
More typical " ultra-high-speed heavy-loading outer-rotor permanent magnet synchronous traction machine " provided as invention patent mandate notification number CN101973479B, this patent formula objectively has the technique effect of specification sheets 0009 section, but same exist following shortcoming; One, becomes overall because outer rotor (patent claims rotor block), brake disc and traction sheave three and main shaft are connected and fixed by needs, thus manufacture, installation, maintenance and debugging relative complex; They are two years old, because a pair drg (patent claims left and right drg) when dead electricity is braked can not direct external rotor brake, but by making rotor overlap braking to the braking of brake disc, and then make traction sheave (traction sheave is fixed on rotor and puts) stop motion by rotor cover, thus transitional link is many, and retro-speed can not reach the effect of quickness and high efficiency; Its three, the structure due to casing (patent claims frame) is lost rationally, such as, need to use bracing frame (patent claims front support), for main shaft and internal rotor supporting, thus to cause loosely organized and bulky.
For above-mentioned prior art, be necessary rational modification in addition, the applicant has done useful design for this reason, defines technical scheme described below.
Summary of the invention
Task of the present invention is to provide a kind of contributing to drive the internal rotor as mandrel by outer rotor and be separately fixed at the rolling hole for the traction of drawing car of internal rotor two ends by internal rotor drive and use remarkable simplified structure, improve traveling comfort and reliability and conveniently manufacture with assembling and be convenient to safeguard, be conducive to can reducing braking force transmission link to embody good brake efficiency while of making electricity loss brake directly implement braking to outer rotor and use and improve retro-speed and ensure desirable braking effect, be of value to the reasonableness of significantly improving body structure and use abandon in prior art for internal rotor rotating support and there is bracing frame and the associated components thereof of meaningless increase motor load factor, have and be convenient to improve usefulness and promote the succinct of complete machine and compact effect and use reduced volume, the space hold and contributing to reduced when installing makes a pair electricity loss brake be installed to easily and quickly on casing and can be good fit and traction and braking are held concurrently by outer rotor to use in one both to embody the permanent magnetism that the effect reducing towing machine oneself power consumption embodies compact conformation and drive towing machine by force with outer rotor.
Task of the present invention has been come like this, a kind of permanent magnetism drives towing machine by force, comprise shape and be cuboid and the casing being configured with casing chamber, before this casing, tank wall and rear box wall respectively offer an electricity loss brake mating cavity in position to correspond to each other, this electricity loss brake mating cavity communicates with casing chamber; One internal rotor, this internal rotor is bearing on described casing rotationally with horizontality, and the middle part of the length direction of this internal rotor is positioned at described box cavity, and the left end of internal rotor is stretched over outside the left tank wall of casing, and right-hand member is stretched over outside the right tank wall of casing; One stator, this stator is arranged on the middle part of internal rotor and fixes at the left tank wall of described box cavity and casing, and wherein, described internal rotor is by forming normal-running fit relation between a pair internal rotor block bearing and stator; One outer rotor, this outer rotor is positioned at box cavity, and fixes with described internal rotor, and described stator corresponds in the outer rotor chamber of outer rotor, and the chamber wall of rotor chamber is outside fixed with for forming the magnet steel of magnetic loop with stator around the circumferencial direction of chamber wall; One left traction cylinder and a right traction cylinder, the left tank wall that left traction cylinder is corresponding to described casing is fixed back to the position of the side in casing chamber and the left end of described internal rotor, and the right tank wall that right traction cylinder is corresponding to described casing is fixed back to the position of the side in casing chamber and the right-hand member of described internal rotor; A pair electricity loss brake, one of them electricity loss brake in this pair electricity loss brake is fixed with casing in the position corresponding to the electricity loss brake mating cavity on tank wall before being opened in described casing and is matched with described outer rotor, and another electricity loss brake in a pair electricity loss brake is fixed with casing in the position corresponding to the electricity loss brake mating cavity be opened on the rear box wall of described casing and match with outer rotor equally, in a pair described internal rotor block bearing, the internal rotor block bearing being positioned at right side matches with described outer rotor.
In a specific embodiment of the present invention, on described casing and the middle position being positioned at the left tank wall of casing is configured with a stator lock chamber, the position that described stator is corresponding to this stator lock chamber is fixed on described box cavity; Be fixed with one on the right side of casing for covering to the right-hand member port in casing chamber the housing plate protected, the middle position of this housing plate is provided with a bearing with end cover, the right-hand member of described internal rotor is bearing on this bearing with end cover rotationally.
In another specific embodiment of the present invention, the left traction roller seat of a truncated cone shape is configured with at the left end of described internal rotor, and on this left traction roller seat, be configured with the left traction cylinder positioning key on the surface being raised in left traction roller seat, a left traction roller sleeve is configured with towards the middle position of one end of internal rotor at described left traction cylinder, the inwall of the left traction drum shaft trepanning of this left traction roller sleeve offers a left traction drum shaft trepanning keyway, left traction drum shaft trepanning matches with left traction roller seat, and left traction drum shaft trepanning keyway matches with left traction cylinder positioning key, the right traction roller seat of outer rotor permanent seat and equally in truncated cone shape of a truncated cone shape is configured with at internal rotor right-hand member, outer rotor fixed seating is between internal rotor and right traction roller seat, outer rotor permanent seat is configured with the outer rotor positioning key that is raised in the surface of outer rotor permanent seat, and on right traction roller seat, be configured with the right traction cylinder positioning key on the surface being raised in right traction roller seat, on the end wall of the right-hand member of described outer rotor and the middle position being positioned at end wall is configured with an outer rotor axle sleeve, the inwall of the outer rotor shaft trepanning of this outer rotor axle sleeve offers outer rotor shaft trepanning keyway, outer rotor shaft trepanning matches with outer rotor permanent seat, and outer rotor shaft trepanning keyway matches with outer rotor positioning key, a right traction roller sleeve is configured with towards the middle position of one end of internal rotor at described right traction cylinder, the inwall of the right traction drum shaft trepanning of this right traction roller sleeve offers a right traction drum shaft trepanning keyway, right traction drum shaft trepanning matches with right traction roller seat, and right traction drum shaft trepanning keyway matches with right traction cylinder positioning key, in a pair described internal rotor block bearing, the internal rotor block bearing being positioned at right side is fixed on described outer rotor axle sleeve outer wall.
In another specific embodiment of the present invention, described internal rotor is configured with lock nut matching thread in the position of the left end being positioned at described left traction roller seat, this lock nut matching thread is equipped with one for the lock nut to described left traction roller sleeve restriction with thread fiting mode, the left end end contact of this lock nut and left traction roller sleeve; The right-hand member end face of described outer rotor permanent seat offers position-arresting disk fixed orifice, this position-arresting disk fixed orifice is fixed with one for the position-arresting disk to described right traction roller sleeve restriction, the right-hand member end contact of this position-arresting disk and right traction roller sleeve.
In another specific embodiment of the present invention, described stator comprises iron core, armature loop and iron core permanent seat, iron core permanent seat matches with a pair described internal rotor block bearing, the iron core permanent seat step that one is raised in the outer wall surface of iron core permanent seat is configured with on the outer wall of the left end of this iron core permanent seat and around the circumferencial direction of iron core permanent seat, iron core permanent seat screw is offered with space state on this iron core permanent seat step and around the circumferencial direction of iron core permanent seat step, the left end end of iron core permanent seat is insinuated in described stator lock chamber, circumferencial direction on the left tank wall of described casing and around stator lock chamber offers fixing screw hole with space state, the position of fixing screw hole is corresponding with iron core permanent seat screw, fixing screw hole is equipped with fix screw, this fix screw and iron core permanent seat screw are fixed, the outer wall of the right-hand member of iron core permanent seat is fixed with an iron core back-up ring, iron core to be fixed on iron core permanent seat and between iron core permanent seat step and iron core back-up ring, armature loop is embedded in the armature loop caulking groove of iron core.
Also have in a specific embodiment of the present invention, on described casing and the left tank wall being positioned at casing is provided with a rotary encoder support back to the side in described casing chamber, this rotary encoder support is fixed with a rotary encoder mount pad, and on this rotary encoder mount pad and in the position of the left end end face corresponding to described internal rotor, one rotary encoder being installed, this rotary encoder contacts with the left end end face of internal rotor.
More of the present invention and in a specific embodiment, described electricity loss brake mating cavity tank wall before described casing is corresponding with the middle position of the length direction of described outer rotor with the position on rear box wall, and match with the outer wall of outer rotor.
In an of the present invention and then specific embodiment, on the end face of described outer rotor towards one end of the left tank wall of described casing and around the circumferencial direction of this end face, be fixed with a magnet steel barrier ring for stopping described magnet steel left end end face.
One of technique effect of technical scheme provided by the invention, when stator is energized, according to the principle of work of electrical motor, outer rotor is rotated, internal rotor is driven to rotate by outer rotor, and then the left and right traction drum rotating being separately fixed at its left and right end is driven by internal rotor, drive lift car to be elevated by left and right traction cylinder through hauling rope, thus integral structure is comparatively terse, operate steadily and good reliability, no matter and be manufacture or assembling and safeguard all very convenient; Two, when braking, by a pair electricity loss brake external rotor brake simultaneously, not only can reduce braking force transmission link and improve brake efficiency, and can retro-speed be improved and ensure desirable braking effect; Three, because the shape design of casing is reasonable, thus can abandon the internal rotor turns supporting in prior art and there is bracing frame and the associated components thereof of meaningless increase motor load factor, both good energy-saving effect had been embodied, save taking space to make succinct with tight Qi and the effectively reduced volume of complete machine again, conveniently to install; Four, because outer rotor has the dual-use function driving internal rotor motion and internal rotor brake concurrently simultaneously, thus not only can reduce towing machine oneself power consumption but also structure can be made compact further; Five, owing to respectively having offered electricity loss brake mating cavity in position to correspond to each other on the forward and backward tank wall of casing, thus can facilitate the installation of a pair electricity loss brake and can make a pair electricity loss brake and outer rotor good fit, significantly can reduce volume and the simplified structure of a pair electricity loss brake in addition.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention constructional drawing.
Fig. 2 is the axial cutaway view of Fig. 1.
Fig. 3 is the radial cross-section of Fig. 1.
Fig. 4 is the example structure figure of a pair electricity loss brake shown in Fig. 1 to Fig. 3.
Detailed description of the invention
In order to enable the inspector of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Everyly in the following description relate to upper and lower, left and right, the concept of directivity (or claim directionality) of front and rear is all for the location status residing for the figure be described, object is to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.
Refer to Fig. 1 and Fig. 2, give shape and be cuboid (also can be square) and the casing 1 being configured with casing chamber 11, before this casing 1, tank wall and rear box wall (front tank wall, rear box wall are for location status shown in Fig. 1) are gone up and respectively offer an electricity loss brake mating cavity 12 in position to correspond to each other, and this electricity loss brake mating cavity 12 communicates with casing chamber 11.As shown in Figure 1, the shape of electricity loss brake mating cavity 12 is oblong, a casing lock chamber 17 is configured with in the bottom of the forward and backward tank wall of casing 1, casing fixing screw hole 171 is offered in the bottom of this casing lock chamber 17, when the present invention be in environment for use be namely in using state time, then casing 1 is fixed on skeleton corresponding to the top of elevator hoistways as on mounting rail by casing fix screw (not shown) corresponding to the position of casing fixing screw hole 171.
Applicant it should be noted that: if make the position, four right angles at the top of aforementioned casing 1 into arc-shaped, so should be considered as equivalence and substitutes and still belong to technology contents category disclosed by the invention.
Give an internal rotor 2, this internal rotor 2 is bearing on described casing 1 with the horizontally-arranged state of level rotationally, and the middle part of the length direction of this internal rotor 2 is positioned at described casing chamber 11, and the left end of internal rotor 2 is stretched over outside the left tank wall of casing 1, and right-hand member is stretched over outside the right tank wall of casing 1.Give a stator 3, this stator 3 is arranged on the middle part of internal rotor 2 and fixes with the left tank wall of casing 1 in casing chamber 11, wherein, aforesaid internal rotor 2 is by forming normal-running fit relation between a pair internal rotor block bearing 21 and stator 3, here alleged normal-running fit relation refers to: internal rotor 2 rotates, and stator 3 is static, namely do not rotate.Give an outer rotor 4, this outer rotor 4 is positioned at casing chamber 11, and fix with internal rotor 2, stator former 3 corresponds in the outer rotor chamber 41 of outer rotor 4, and the chamber wall of rotor chamber 41 outside adopts magnet steel fix screw 4111 to be fixed with for forming the magnet steel 411 of magnetic loop with stator 3 around the circumferencial direction of chamber wall.Give left traction cylinder 5 and a right traction cylinder 6, the left tank wall that left traction cylinder 5 is corresponding to described casing 1 is fixed back to the position of the side in casing chamber 11 and the left end of described internal rotor 2, and the right tank wall that right traction cylinder 6 is corresponding to described casing 1 is fixed back to the position of the side in casing chamber 11 and the right-hand member of internal rotor 2.Be configured with the left traction drum groove 52 for winding hauling rope (being generally steel rope) on the surface of left traction cylinder 5, be configured with on the surface of right traction cylinder 6 equally for the right traction drum groove 62 of winding hauling rope (being generally steel rope).Give a pair electricity loss brake 7, one of them electricity loss brake in this pair electricity loss brake 7 is fixing with casing 1 corresponding to the position of the electricity loss brake mating cavity 12 on tank wall before being opened in casing 1 and match with aforementioned outer rotor 4, and another electricity loss brake in a pair electricity loss brake 7 is fixing with casing 1 corresponding to the position of the electricity loss brake mating cavity 12 be opened on the rear box wall of described casing 1 and to match with outer rotor 4 equally, in aforesaid a pair internal rotor block bearing, the internal rotor block bearing being positioned at right side matches with described outer rotor 4.
As shown in Figure 1, before casing 1, tank wall offers standing screw hole 18 at the position close to electricity loss brake mating cavity 12, aforesaid electricity loss brake 7 is fixed with casing 1 by means of this standing screw hole 18, and the rear box wall of casing 1 offers standing screw hole 18 equally.
On casing 1 and the middle position being positioned at the left tank wall of casing 1 is configured with the stator lock chamber 13 of a circle, the position that stator former 3 is corresponding to this stator lock chamber 13 is fixed in casing chamber 11; Be fixed with one on the right side of casing 1 by head bolts 142 and cover for the right-hand member port (also can claim right side port) to casing chamber 11 housing plate 14 protected.Specifically: head bolts 142 is opened in the head bolts fixed orifice 19a on the right-hand member end face of casing 1 at the position screw-in corresponding to the head bolts hole 143 be opened on housing plate 14.As shown in Figure 1, an end cap bearing hole 144 is offered at the middle position of housing plate 14, a bearing with end cover 141 is provided with in this end-cover axle bearing bore 144, the right-hand member of aforementioned internal rotor 2 is bearing on this bearing with end cover 141 rotationally, and is stretched over outside casing chamber 11 through bearing with end cover 141 and the internal rotor hole 145 corresponding with bearing with end cover 141 be opened on housing plate 14.
The left traction roller seat 22 of a truncated cone shape is configured with at the left end of aforementioned internal rotor 2, and on this left traction roller seat 22, be configured with the left traction cylinder positioning key 221 on the surface being raised in left traction roller seat 22, a left traction roller sleeve 51 is configured with towards the middle position of one end of internal rotor 2 at aforesaid left traction cylinder 5, the inwall of the left traction drum shaft trepanning 511 of this left traction roller sleeve 51 offers a left traction drum shaft trepanning keyway 5111, left traction drum shaft trepanning 511 matches with left traction roller seat 22, and left traction drum shaft trepanning keyway 5111 matches with left traction cylinder positioning key 221, preferably, be configured with in left traction cylinder in the left traction cylinder chamber of left traction cylinder 5 and strengthen cover 53, strengthen cover 53 in this left traction cylinder to be connected with left traction roller sleeve 51, outer rotor permanent seat 23 and a same right traction roller seat 24 in truncated cone shape of a truncated cone shape is configured with at internal rotor 2 right-hand member, outer rotor permanent seat 23 is between internal rotor 2 and right traction roller seat 24, outer rotor permanent seat 23 is configured with the outer rotor positioning key 231 that is raised in the surface of outer rotor permanent seat 23, and on right traction roller seat 24, is configured with the right traction cylinder positioning key 241 on the surface being raised in right traction roller seat 24.On the end wall 42 of the right-hand member of aforementioned outer rotor 4 and the middle position being positioned at end wall is configured with an outer rotor axle sleeve 421, the inwall of the outer rotor shaft trepanning 4211 of this outer rotor axle sleeve 421 offers outer rotor shaft trepanning keyway 42111, outer rotor shaft trepanning 4211 matches with outer rotor permanent seat 23, and outer rotor shaft trepanning keyway 42111 matches with outer rotor positioning key 231.A right traction roller sleeve 61 is configured with towards the middle position of one end (left end of state shown in Fig. 1) of internal rotor 2 at aforementioned right traction cylinder 6, the inwall of the right traction drum shaft trepanning 611 of this right traction roller sleeve 61 offers a right traction drum shaft trepanning keyway 6111, right traction drum shaft trepanning 611 matches with right traction roller seat 24, and right traction drum shaft trepanning keyway 6111 matches with right traction cylinder positioning key 241.In aforesaid a pair internal rotor block bearing 21, the internal rotor block bearing being positioned at right side is fixed on described outer rotor axle sleeve 421 outer wall.Preferably, be configured with in right traction cylinder in the right traction cylinder chamber of aforementioned right traction cylinder 6 and strengthen cover 63, strengthen cover 63 in this right traction cylinder and be connected with right traction roller sleeve 61.In addition, strengthen enhancing cover 63 in cover 53 and right traction cylinder in left traction cylinder also can make into radial disc spaced apart.
Please continue to refer to Fig. 1 and Fig. 2, aforementioned internal rotor 2 is configured with lock nut matching thread 25 in the position of the left end being positioned at left traction roller seat 22, this lock nut matching thread 25 is equipped with one for the lock nut 251 to aforementioned left traction roller sleeve 51 restriction with thread fiting mode, the left end end contact of this lock nut 251 and left traction roller sleeve 51; The right-hand member end face of aforementioned outer rotor permanent seat 23 offers position-arresting disk fixed orifice 232, this position-arresting disk fixed orifice 232 is fixed with one for the position-arresting disk 2321 to described right traction roller sleeve 61 restriction, the right-hand member end contact of this position-arresting disk 2321 and right traction roller sleeve 61.
Preferably, the right-hand member end face (for location status shown in Fig. 1) of aforementioned right traction roller sleeve 61 offers roller sleeve screw hole 612, aforesaid position-arresting disk 2321 is fixed by internal rotor fix screw 23211 and aforementioned position-arresting disk fixed orifice 232, and fixed by roller sleeve fix screw 23212 and aforementioned roller sleeve screw hole 612, thus fully can ensure that right traction cylinder 6 is positioned the right-hand member of internal rotor 2.
Stator former 3 comprises iron core 31, armature loop 32 and iron core permanent seat 33, iron core permanent seat 33 matches with aforesaid a pair internal rotor block bearing 21, the iron core permanent seat step 331 that one is raised in the outer wall surface of iron core permanent seat 33 is configured with on the outer wall of the left end of this iron core permanent seat 33 and around the circumferencial direction of iron core permanent seat 33, iron core permanent seat screw 3311 is offered with space state on this iron core permanent seat step 331 and around the circumferencial direction of iron core permanent seat step 331, the left end end of iron core permanent seat 33 is insinuated in described stator lock chamber 13, circumferencial direction on the left tank wall of aforementioned casing 1 and around stator lock chamber 13 offers fixing screw hole 15 with space state, the position of fixing screw hole 15 is corresponding with iron core permanent seat screw 3311, fixing screw hole 15 is equipped fix screw 151, this fix screw 151 is fixed with iron core permanent seat screw 331, the outer wall of the right-hand member of iron core permanent seat 33 is fixed with an iron core back-up ring 332, iron core 31 to be fixed on iron core permanent seat 33 and between iron core permanent seat step 331 and iron core back-up ring 332, that is jointly iron core 31 is limited by iron core permanent seat step 331 and iron core back-up ring 332, armature loop 32 is embedded in the armature loop caulking groove 311 of iron core 31, here said armature loop 32 both can be described as stator winding, also can be described as stator coil.Known as shown in Figure 1, in aforesaid a pair internal rotor block bearing 21, match with the left end of iron core permanent seat 33 in the outer ring of an internal rotor block bearing in left side, and inner ring and internal rotor 2 are fixed, to ensure that internal rotor 2 rotates, match with the bearing bore 333 of the right-hand member of iron core permanent seat 33 in the outer ring of an internal rotor block bearing on the right side in a pair internal rotor block bearing 21, and inner ring is fixed on the bearing fixed seat 4212 of outer rotor axle sleeve 421, to ensure that outer rotor 4 rotates, ensure that internal rotor 2 rotates with outer rotor 4 simultaneously, because the outer rotor permanent seat 23 of the right-hand member of internal rotor 2 is placed in outer rotor shaft trepanning 4211, and fixed by outer rotor positioning key 231 and outer rotor shaft trepanning keyway 42111.
Because the structure of stator 3, stator 3 are essentially yoke with aforementioned magnet steel 411() relation and principle of work belong to known technology, such as can see CN1141775C and CN101973479B mentioned in the superincumbent background technology hurdle of applicant, thus the applicant does not make too detailed description.
On aforesaid casing 1 and the left tank wall being positioned at casing 1 is provided with a rotary encoder support 16 back to the side in casing chamber 11, this rotary encoder support 16 is fixed with a rotary encoder mount pad 161, and on this rotary encoder mount pad 161 and in the position of the left end end face corresponding to described internal rotor 2, one rotary encoder 1611 is installed, this rotary encoder 1611 contacts with the left end end face of internal rotor 2, namely matches with the left end end face of internal rotor 2.Rotary encoder 1611 also can be described as photoelectric encoder, because its function belongs to prior art, such as can see the specification sheets of CN1141775C the 4th page of the 19 to 26 row, and thus applicant repeats no more.
Preferably, aforementioned electricity loss brake mating cavity 12 tank wall before aforementioned casing 1 is corresponding with the middle position of the length direction of aforementioned outer rotor 4 with the position on rear box wall, and match with the outer wall of outer rotor 4, as shown in Figure 1, the shape of outer rotor 4 is substantially in bell shape, and the outer rotor chamber 41 of outer rotor 4 is towards a left side.
Please see Fig. 1 by emphasis, on the end face of aforementioned outer rotor 4 towards one end of the left tank wall of casing 1 and around the circumferencial direction of this end face, be fixed with one for the magnet steel barrier ring 43 to aforementioned magnet steel 411 left end end face stop.The outer wall of aforementioned outer rotor 4 towards one end (i.e. left end) of the left tank wall of casing 1 offers an adjustment gear ring groove 44 in the position on the right side corresponding to magnet steel barrier ring 43 around the circumferencial direction of outer rotor 4, in this adjustment gear ring groove 44, be provided with an adjustment gear ring 441, the surface of this adjustment gear ring 441 leans out the surface of magnet steel barrier ring 43.The left tank wall of aforementioned casing 1 offers one for probeing into for manual regulation instrument 8 and ordering about the manual regulation instrument resigning hole 19b adjusting gear ring 441 and move.In the process installed, debug and safeguard, by the operation to manual adjustment means 8, adjustment gear ring 441 is moved, because adjustment gear ring 441 is fixed on outer rotor 4, thus outer rotor 4 is driven by adjustment gear ring 441, again because outer rotor 4 is fixed on internal rotor 2, thus internal rotor 2 is driven by outer rotor 4, also because left and right traction cylinder 5,6 is individually fixed in the left and right end of internal rotor 2, thus drive left and right traction cylinder 5,6 by internal rotor 2, thus finally realize the adjustment to car position.
Emphasis is shown in Fig. 2, and above mentioned manual regulation instrument 8 comprises gear wheel shaft 81, manually dish 82 and miniature gears 83, and manually dish 82 is fixed on the left end of gear wheel shaft 81, and miniature gears 83 is fixed on the right-hand member of gear wheel shaft 81, and matches with aforementioned adjustment gear ring 441.When adjusting adjustment gear ring 441, so the right-hand member of aforesaid gears axle 81 makes miniature gears 83 drive adjustment gear ring 441 by way of manual regulation instrument resigning hole 19b and by the rotation of opponent's Moving plate 82; After adjusting adjustment gear ring 441, aforesaid gears axle 81 exits manual regulation instrument resigning hole 19b together with miniature gears 83, and whole manual regulation instrument 8 is concealed in keeping state, is namely concealed in stand-by state.
Refer to Fig. 3 and Fig. 4, aforesaid a pair electricity loss brake 7 comprises electromagnetic valve valve seat 71, electromagnetic valve valve plate 72, the magnet coil 73 of one or more, brake strip permanent seat 74, brake strip 75, spring 76 and manual separation mechanism 77, offer the magnet coil caulking groove 711 equal with the quantity of magnet coil 73 in the side of electromagnetic valve valve seat 71 towards electromagnetic valve valve plate 72 and offer the spring-loaded hole 712 equal with the quantity of spring 76, and on electromagnetic valve valve seat 71, also offer guide rod swivel nut fixing threaded hole 713, in the present embodiment, electromagnetic valve valve seat 71 is the shape of cuboid, magnet coil caulking groove 711 is circular trough, and there are two, the quantity of guide rod swivel nut fixing threaded hole 713 has four, be distributed in four bights of electromagnetic valve valve seat 71 respectively.Guide pin bushing 721 is provided with on electromagnetic valve valve plate 72 and corresponding to the position of guide rod swivel nut fixing threaded hole 713, guide pin bushing 721 is equipped with guide rod swivel nut 7211 slidably, this guide rod swivel nut 7211 is threaded with guide rod swivel nut fixing threaded hole 713, and the axial central authorities of this guide rod swivel nut 7211 be configured with one from one end of guide rod swivel nut 7211 the through valve seat standing screw resigning hole 72111 to the other end, aforementioned electromagnetic valve base 71 passes valve seat standing screw resigning hole 72111 by valve seat standing screw 714 and fixes back to the side in described casing chamber 11 in the position and described casing 1 that correspond to aforementioned electricity loss brake mating cavity 12, namely with shown in Fig. 1 and the standing screw hole 18 mentioned above fix.Magnet coil 73 is embedded in magnet coil caulking groove 711.Mention above; Magnet coil caulking groove 711 in the present embodiment has two, and therefore the quantity of magnet coil 73 also should have two mutually.Brake strip permanent seat 74 with brake strip permanent seat screw 742 with to be opened in electromagnetic valve valve plate 72 fixing and be insinuated in dead electricity controller mating cavity 12 towards the screw 723 of the side of electricity loss brake mating cavity 12, brake strip 75 and drag friction permanent seat 74 are fixed towards the side in described casing chamber 11, and match with described outer rotor 4 outside face, the quantity of spring 76 has spaced apart one group, this spring 76 is contained in described spring-loaded hole 712 towards one end of electromagnetic valve valve seat 71, and spring 76 leans out spring Zhi Kong 712 towards one end of electromagnetic valve valve plate 72 and is bearing in the side of electromagnetic valve valve plate 72 towards electromagnetic valve valve seat 71, manual separation mechanism 77 is disposed in electromagnetic valve valve seat 71 back to the side of electromagnetic valve valve plate 72 and is connected with brake strip permanent seat 74.
Please see Fig. 4 by emphasis, as preferred scheme, be configured with an embedding chamber 743 of brake strip at aforementioned brake strip permanent seat 74 towards the side of brake strip 75 and corresponding to the position of brake strip 75, brake strip 75 is embedded in the embedding chamber 743 of this brake strip.In addition, in order to make, brake strip 75 is abundant and brake strip permanent seat 74 is fixing, thus can use adhesion agent in the side of brake strip 75 towards the embedding chamber 743 of brake strip and/or adopt brake strip screw to be fixed the position and brake strip permanent seat 74 that brake strip 75 is corresponding to brake strip chamber 743, but the end of brake strip screw answers the surface of retraction brake strip 75 side of rotor 4 toward the outside, to avoid undermining outer rotor.
Aforesaid spring-loaded hole 712 blind hole, aforementioned brake strip 75 towards described casing chamber 11 side namely toward the outside the side of rotor 4 be configured with an arc-shaped cavity 751, good fit with the outside face of outer rotor 4 by this arc-shaped cavity 751.A through tension rod thru-hole 715 to opposite side from the side of the thickness direction of electromagnetic valve valve seat 71 is offered at the middle position of aforementioned electromagnetic valve base 71, and offer a through tie rod hole 722 to opposite side from the side of the thickness direction of electromagnetic valve valve plate 72 at the middle position of described electromagnetic valve valve plate 72, this tie rod hole 722 is corresponding with tension rod thru-hole 715, a pull bar fixing threaded hole 741 is offered at the middle position of aforementioned brake strip permanent seat 74, this pull bar fixing threaded hole 741 is corresponding with tie rod hole 722, aforesaid manual separation mechanism 77 is connected with pull bar fixing threaded hole 741 successively after tension rod thru-hole 715 and tie rod hole 722, wherein, back to the side of electromagnetic valve valve plate 72 and around the surrounding in the aperture of tension rod thru-hole 715, space state is provided with ball chamber 716 at electromagnetic valve valve seat 71.
Under magnet coil 73 is in "on" position, electromagnetic valve valve plate 72 overcomes the energy storage state that spring 76(spring 76 is in compression) power and be pulled on electromagnetic valve valve seat 71, be fixed on brake strip 75 on brake strip permanent seat 74 towards the direction displacement deviating from outer rotor 4, brake area 45(Fig. 1 that namely brake strip 75 leaves outer rotor 4 marks).But, when magnet coil 73 dead electricity, under the release force effect of spring 76, make electromagnetic valve valve plate 72 towards the direction displacement deviating from electromagnetic valve valve seat 71, brake strip 75 is contacted with the brake area 45 of outer rotor 4, outer rotor 4 is braked, braked by outer rotor 4 pairs of internal rotors 2, finally make the stop motion of left and right traction cylinder 5,6, lift car stops.
Continue to see Fig. 4, aforesaid manual separation mechanism 77 comprises ball dish 771, manual override 772, pull bar 773 and ball 774, surface on ball dish 771 and towards the side of described electromagnetic valve valve seat 71 offers ball grooves 7711, the quantity of this ball grooves 7711 is equal with the quantity in aforementioned ball chamber 716, and it is spaced apart around the circumferencial direction of ball dish 771, manual override 772 is connected with ball dish 771, pull bar 773 is plugged on the middle position of ball dish 771 by drag link sleeve 7731, and this pull bar 773 is threaded with described pull bar fixing threaded hole 741 after successively through described tension rod thru-hole 715 and tie rod hole 722, the quantity of ball 774 is equal with the quantity of ball grooves 7711, and match with described ball chamber 716 and ball grooves 7711 simultaneously.
As shown in Figure 4, be configured with a threaded connector 7732 at the end of pull bar 773, this threaded connector 7732 is threaded with aforesaid pull bar fixing threaded hole 741.In the present embodiment, because the quantity of aforesaid ball chamber 716 and ball grooves 7711 respectively has four, thus the quantity of ball 774 has four pieces.The degree of depth of ball grooves 7711 to shoal and the shape of ball grooves 7711 is circular arc to the other end gradually from one end of the length direction of ball grooves 7711.
When overhauling, when operator operates manual override 772, such as, when upwards lifting manual override 772, ball dish 771 is rotated (cw), ball 774 just enters shallow one end from dark one end of ball grooves 7711, forces pull bar 773 towards the direction displacement away from electromagnetic valve valve seat 71, drives brake strip permanent seat 74 towards the direction displacement of electromagnetic valve valve seat 71, brake strip 75 is separated with the brake area 45 of outer rotor 4, and vice versa.
From above-mentioned explanation, not only structure is simple, volume is little for a pair electricity loss brake 7, and owing to braking outer rotor 4, thus require relatively to reduce relative to the braking lock torque of prior art for internal rotor, not only energy-conservation but also noise reduction, and can embody non-maintaining to a certain extent.
Applicant sketches application of the present invention, stator 3 is energized, namely three plase alternating current passes into armature loop 32(and also can be described as stator winding or stator coil as aforementioned), according to the principle of work of well-known power machine, under the effect of rotating field, make outer rotor 4 rotate, internal rotor 2 is driven to rotate by outer rotor 4, drive the left and right traction cylinder 5,6 fixing its left and right end respectively to rotate by internal rotor 2, left and right traction cylinder 5,6 respectively drives by hauling rope (steel rope) elevator cab movement be connected with hauling rope.And then according to common practise aforesaid rotating field forward with oppositely make outer rotor 4 make cw and counterclockwise movement, lift car rises or declines.
In sum, technical scheme provided by the invention overcomes the deficiency in prior art, successfully completes invention task, embodies the technique effect in the superincumbent technique effect hurdle of applicant objectively.
Claims (8)
1.
a kind of permanent magnetism drives towing machine by force, it is characterized in that comprising shape is cuboid and the casing (1) being configured with casing chamber (11), the front tank wall and rear box wall of this casing (1) respectively offer an electricity loss brake mating cavity (12) in position to correspond to each other, this electricity loss brake mating cavity (12) communicates with casing chamber (11), one internal rotor (2), this internal rotor (2) is bearing on described casing (1) with horizontality rotationally, and the middle part of the length direction of this internal rotor (2) is positioned at described casing chamber (11), and the left end of internal rotor (2) is stretched over outside the left tank wall of casing (1), right-hand member is stretched over outside the right tank wall of casing (1), one stator (3), this stator (3) is arranged on the middle part of internal rotor (2) and fixes with the left tank wall of casing (1) in described casing chamber (11), wherein, described internal rotor (2) is by forming normal-running fit relation between a pair internal rotor block bearing (21) and stator (3), one outer rotor (4), this outer rotor (4) is positioned at casing chamber (11), and fix with described internal rotor (2), described stator (3) corresponding in the outer rotor chamber (41) of outer rotor (4), and the chamber wall of rotor chamber (41) is outside fixed with for forming the magnet steel (411) of magnetic loop with stator (3) around the circumferencial direction of chamber wall, one left traction cylinder (5) and a right traction cylinder (6), the left tank wall that left traction cylinder (5) is corresponding to described casing (1) is fixed back to the position of the side of casing chamber (11) and the left end of described internal rotor (2), and the right tank wall that right traction cylinder (6) is corresponding to described casing (1) is fixed back to the position of the side of casing chamber (11) and the right-hand member of described internal rotor (2), a pair electricity loss brake (7), one of them electricity loss brake in this pair electricity loss brake (7) is fixed with casing (1) in the position corresponding to the electricity loss brake mating cavity (12) be opened on the front tank wall of described casing (1) and is matched with described outer rotor (4), and another electricity loss brake in a pair electricity loss brake (7) is fixing with casing (1) corresponding to the position of the electricity loss brake mating cavity (12) be opened on the rear box wall of described casing (1) and to match with outer rotor (4) equally, in a pair described internal rotor block bearing (21), the internal rotor block bearing being positioned at right side matches with described outer rotor (4).
2.
permanent magnetism according to claim 1 drives towing machine by force, it is characterized in that described casing (1) is upper and the middle position being positioned at the left tank wall of casing (1) is configured with a stator lock chamber (13), the position that described stator (3) is corresponding to this stator lock chamber (13) is fixed in described casing chamber (11); One is fixed with for covering the housing plate (14) protected to the right-hand member port of casing chamber (11) on the right side of casing (1), the middle position of this housing plate (14) is provided with a bearing with end cover (141), and the right-hand member of described internal rotor (2) is bearing on this bearing with end cover (141) rotationally.
3.
permanent magnetism according to claim 1 drives towing machine by force, it is characterized in that the left traction roller seat (22) being configured with a truncated cone shape at the left end of described internal rotor (2), and on this left traction roller seat (22), be configured with the left traction cylinder positioning key (221) on the surface being raised in left traction roller seat (22), a left traction roller sleeve (51) is configured with towards the middle position of one end of internal rotor (2) described left traction cylinder (5), the inwall of the left traction drum shaft trepanning (511) of this left traction roller sleeve (51) offers left traction drum shaft trepanning keyway (5111), left traction drum shaft trepanning (511) is matched with left traction roller seat (22), and left traction drum shaft trepanning keyway (5111) is matched with left traction cylinder positioning key (221), the right traction roller seat (24) of outer rotor permanent seat (23) and equally in truncated cone shape of a truncated cone shape is configured with at internal rotor (2) right-hand member, outer rotor permanent seat (23) is positioned between internal rotor (2) and right traction roller seat (24), outer rotor permanent seat (23) is configured with the outer rotor positioning key (231) that is raised in the surface of outer rotor permanent seat (23), and on right traction roller seat (24), be configured with the right traction cylinder positioning key (241) on the surface being raised in right traction roller seat (24), the end wall (42) of the right-hand member of described outer rotor (4) is upper and the middle position being positioned at end wall is configured with an outer rotor axle sleeve (421), the inwall of the outer rotor shaft trepanning (4211) of this outer rotor axle sleeve (421) offers outer rotor shaft trepanning keyway (42111), outer rotor shaft trepanning (4211) matches with outer rotor permanent seat (23), and outer rotor shaft trepanning keyway (42111) matches with outer rotor positioning key (231), a right traction roller sleeve (61) is configured with towards the middle position of one end of internal rotor (2) described right traction cylinder (6), the inwall of the right traction drum shaft trepanning (611) of this right traction roller sleeve (61) offers right traction drum shaft trepanning keyway (6111), right traction drum shaft trepanning (611) is matched with right traction roller seat (24), and right traction drum shaft trepanning keyway (6111) is matched with right traction cylinder positioning key (241), in a pair described internal rotor block bearing (21), the internal rotor block bearing being positioned at right side is fixed on described outer rotor axle sleeve (421) outer wall.
4.
permanent magnetism according to claim 3 drives towing machine by force, it is characterized in that going up at described internal rotor (2) and being configured with lock nut matching thread (25) in the position of the left end being positioned at described left traction roller seat (22), this lock nut matching thread (25) is equipped with a lock nut (251) for limiting described left traction roller sleeve (51) with thread fiting mode, the left end end contact of this lock nut (251) and left traction roller sleeve (51); The right-hand member end face of described outer rotor permanent seat (23) offers position-arresting disk fixed orifice (232), this position-arresting disk fixed orifice (232) is fixed with a position-arresting disk (2321) for limiting described right traction roller sleeve (61), the right-hand member end contact of this position-arresting disk (2321) and right traction roller sleeve (61).
5.
permanent magnetism according to claim 2 drives towing machine by force, it is characterized in that described stator (3) comprises iron core (31), armature loop (32) and iron core permanent seat (33), iron core permanent seat (33) matches with a pair described internal rotor block bearing (21), the iron core permanent seat step (331) that one is raised in the outer wall surface of iron core permanent seat (33) is configured with on the outer wall of the left end of this iron core permanent seat (33) and around the circumferencial direction of iron core permanent seat (33), upper at this iron core permanent seat step (331) and circumferencial direction around iron core permanent seat step (331) offers iron core permanent seat screw (3311) with space state, the left end end of iron core permanent seat (33) is insinuated in described stator lock chamber (13), fixing screw hole (15) is offered with space state on the left tank wall of described casing (1) and around the circumferencial direction of stator lock chamber (13), the position of fixing screw hole (15) is corresponding with iron core permanent seat screw (3311), fixing screw hole (15) is equipped fix screw (151), this fix screw (151) is fixed with iron core permanent seat screw (331), the outer wall of the right-hand member of iron core permanent seat (33) is fixed with an iron core back-up ring (332), iron core (31) is fixed on iron core permanent seat (33) and goes up and be positioned between iron core permanent seat step (331) and iron core back-up ring (332), armature loop (32) is embedded in the armature loop caulking groove (311) of iron core (31).
6.
permanent magnetism according to claim 1 and 2 drives towing machine by force, it is characterized in that, at described casing (1) the upper and left tank wall being positioned at casing (1), the side of described casing chamber (11) is provided with a rotary encoder support (16), this rotary encoder support (16) is fixed with a rotary encoder mount pad (161), and above and in the position of the left end end face corresponding to described internal rotor (2) one rotary encoder (1611) is installed at this rotary encoder mount pad (161), this rotary encoder (1611) contacts with the left end end face of internal rotor (2).
7.
permanent magnetism according to claim 1 drives towing machine by force, it is characterized in that described electricity loss brake mating cavity (12) is corresponding with the middle position of the length direction of described outer rotor (4) with the position on rear box wall at the front tank wall of described casing (1), and match with the outer wall of outer rotor (4).
8.
permanent magnetism according to claim 1 drives towing machine by force, it is characterized in that being fixed with a magnet steel barrier ring (43) for stopping described magnet steel (411) left end end face on the end face of described outer rotor (4) towards one end of the left tank wall of described casing (1) and around the circumferencial direction of this end face.
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| CN201410308220.0A CN104118785B (en) | 2014-07-01 | 2014-07-01 | Permanent magnetism drives towing machine by force |
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| CN201410308220.0A CN104118785B (en) | 2014-07-01 | 2014-07-01 | Permanent magnetism drives towing machine by force |
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| CN104495583B (en) * | 2014-11-14 | 2017-07-28 | 怡达快速电梯有限公司 | Improve the method and elevator traction machine of elevator traction machine combination property |
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