CN104942529A - Bearing heating device and bearing heating system - Google Patents
Bearing heating device and bearing heating system Download PDFInfo
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- CN104942529A CN104942529A CN201510328921.5A CN201510328921A CN104942529A CN 104942529 A CN104942529 A CN 104942529A CN 201510328921 A CN201510328921 A CN 201510328921A CN 104942529 A CN104942529 A CN 104942529A
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- annular heat
- torsion spring
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 163
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 210000000567 greater sac Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
Abstract
The invention provides a bearing heating device and a bearing heating system, wherein the bearing heating device comprises: the heating furnace is connected with the lifting device; the heating furnace is an annular cavity with an open bottom, a heating element is arranged in the heating furnace, two first annular heat insulation parts are arranged at the bottom of the heating furnace, an annular furnace mouth for the heated bearing to enter and exit is formed between the two first annular heat insulation parts, at least one first annular heat insulation part is hinged with the furnace wall, and a bidirectional elastic resetting mechanism is arranged at the hinged position. The invention has the following technical effects: in the process of heating the bearing, extra hoisting operation is not needed, and the bearing can conveniently enter and exit the furnace chamber by arranging the first annular heat insulation component with the bidirectional elastic resetting function, and can automatically form a closed furnace chamber with the bearing heating and supporting device, thereby simplifying the operation flow and improving the heating efficiency.
Description
Technical field
The present invention relates to mechanical assembly technique field, particularly a kind of bearing heating device and bearing heating system.
Background technology
Wind generating technology obtains in China in recent years and develops fast, the capacity of separate unit blower fan also becomes increasing, the assembling of its middle (center) bearing all needs bearing heating, make the inner sleeve expanded by heating of bearing, overlapped and install on axle, the quality of MW level permanent magnet direct-drive bearing of wind power generator mode of heating directly affects the efficiency of assembling of permanent magnet direct-driving aerogenerator.
At present, the mode of heating of bearing is all adopt fixing heating furnace to heat bearing, operating process is: first to be lifted by bell with driving (or crane) and remove, and be placed on another place, then bearing lifting to be heated is placed in stove, and then bell is covered, when heating-up temperature is elevated to the numerical value of specifying with traveling crane shove charge lid, again bell is sling, bearing is hung out from heating furnace; Stove covers by the last bell that again lifts.Whole process uses driving totally 6 times, wastes a large amount of time, and cannot realize the motorization assembly of axle system.
Summary of the invention
The object of this invention is to provide a kind of bearing heating device and bearing heating system, in order to improve bearing heating efficiency.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of bearing heating device, comprising: lowering or hoisting gear and the heating furnace be connected with lowering or hoisting gear;
Described heating furnace is the annular housing that bottom opens, the inside of described heating furnace is provided with heating element heater, the bottom of described heating furnace has the first different annular heat insulating member of two diameters, the described first annular heat insulating member that diameter is large is connected on the furnace wall of outer shroud, the described first annular heat insulating member that diameter is little is connected on the furnace wall of inner ring, the fire door for the annular passed in and out by the bearing heated is formed between two described first annular heat insulating members, first annular heat insulating member described at least one and described furnace wall hinged, described hinged place is provided with bidirectional elastic resetting-mechanism.
More preferably, described furnace wall comprises furnace wall body and is arranged on the annular heat insulating strip of two of bottom of furnace wall body, described two annular heat bars are separately positioned on the furnace wall body of inner ring and the furnace wall body of outer shroud, described first annular heat insulating member is arranged on described heat insulating strip, the first annular heat insulating member described at least one and described heat insulating strip hinged.
More preferably, be provided with multiple door shaft structure existing on hinged described heat insulating strip, described door shaft structure comprises at least Liang Ge ear, described ear is provided with axis hole, run through in axis hole and have bearing pin, described bearing pin can rotate relative to described ear, and described first annular heat insulating member is fixedly connected with described bearing pin, and described bidirectional elastic resetting-mechanism is arranged on described bearing pin.
More preferably, described door shaft structure comprises Liang Ge ear, described bidirectional elastic resetting-mechanism comprises multiple torsion spring, a torsion spring is at least provided with in each door shaft structure, described torsion spring set is located on described bearing pin, and between two described ears, one end of described torsion spring is fixedly connected with described bearing pin, other end clamping or be fixedly connected on described first annular heat insulating member, described multiple torsion spring is multiple two-way torsion spring or multiple forward torsion spring and reverse torsion spring.
More preferably, described multiple torsion spring comprises the equal forward torsion spring of quantity and reverse torsion spring, described door shaft structure is evenly arranged along the ring circumferential direction of described heat insulating strip, arrange a forward torsion spring or reverse torsion spring in each door shaft structure, described forward torsion spring and reverse torsion spring are alternately distributed in described ring circumferential direction.
More preferably, described first annular heat insulating member is splitted structure, the forward torsion spring that described in every lobe, the corresponding even number door shaft structure of the first annular heat insulating member is equal with quantity and reverse torsion spring.
More preferably, the furnace wall being arranged on the first annular heat insulating member of the side, furnace wall of outer shroud and described outer shroud is hinged, and the first annular heat insulating member being arranged on the side of the furnace wall of inner ring is fixedly connected with described inner ring furnace wall.
More preferably, described first annular heat insulating member is splitted structure.
More preferably, described lowering or hoisting gear is portal structures, and comprise two root posts and be erected at the crossbeam on described column, be provided with linear telescopic mechanism between described crossbeam and described column, described heating furnace is lifted on described crossbeam.
More preferably, described furnace wall is insulating materials, and described heating element heater is electrical heating elements, and this electrical heating elements is arranged on the madial wall of the furnace wall of described inner ring and the furnace wall of described outer shroud.
More preferably, the inside of described heating furnace burner hearth is provided with insulation blocking frame, and described insulation blocking frame is in described heating element heater and described by between the bearing that heats.
More preferably, be provided with the first temperature transducer detecting cavity temperature in the furnace chamber in described heating furnace and heated the second temperature transducer of the temperature of bearing with detection.
A kind of bearing heating system, comprise the bearing heating device of above any technical characteristic, also comprise bearing heating bracing or strutting arrangement, described bearing heating bracing or strutting arrangement comprise platform and be arranged on platform for support by heating bearing bearings parts, described bearings parts are provided with the second annular heat parts, the size of described second annular heat parts and the size of described first annular heat insulating member suitable, after bearing to be heated is inserted described heating furnace, described first annular heat insulating member can abut against with described second annular heat parts.
More preferably, described bearings parts are cylinder mechanism or hydraulic mechanism, and described second annular heat parts are arranged on the sidewall of the piston of described cylinder mechanism or hydraulic mechanism.
More preferably, also comprise guide rail, described platform is arranged on also can at described moving on rails on described guide rail, and described lowering or hoisting gear is portal structures, is crossed on the both sides of described guide rail.
Bearing heating device and the bearing heating system of the embodiment of the present invention have following technique effect: in the process heated bearing, do not need the extra lifting operation for bearing, only need to control lowering or hoisting gear and promote or reduce heating furnace.In addition, by arranging, there is the first annular heat insulating member of bidirectional elastic reset function, making bearing pass in and out furnace chamber more for convenience, and can automatically and the bearing heating bracing or strutting arrangement of loading bearing form airtight furnace chamber, simplify operating process, improve bearing heating efficiency.
Accompanying drawing explanation
Fig. 1 is the bearing heating device structural representation of embodiment one;
Fig. 2 is the structural representation of the bearing heating device after having put into bearing;
Fig. 3 is the enlarged diagram in I portion in Fig. 2;
Fig. 4 is one of structural representation of the first annular heat insulating member;
Fig. 5 is the structural representation two of the first annular heat insulating member;
Fig. 6 is the close-up schematic view of Fig. 5;
Fig. 7 is the structural representation of the bearing heating system of embodiment two.
Wherein: 1-bearing heating device; 11-lowering or hoisting gear; 111-column; 112-crossbeam; 113-linear telescopic mechanism; 12-heating furnace; The annular heat insulating member of 121-first; 122-bidirectional elastic resetting-mechanism; 1221-forward torsion spring; The reverse torsion spring of 1222-; 123-furnace wall; 1231-furnace wall body; 1232-heat insulating strip; 124-door shaft structure; 1241-bearing pin; 1242-ear; 125-heating element heater; 126-insulation blocking frame; 2-bearing heating bracing or strutting arrangement; 21-platform; 22-second annular heat parts; 23-bearings parts; 24-guide rail.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, bearing heating device of the present invention and bearing heating system are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
As shown in Figure 1 to Figure 3, the bearing heating device of the present embodiment comprises: lowering or hoisting gear 11 and the heating furnace 12 be connected with lowering or hoisting gear 11, the annular housing that heating furnace 12 opens for bottom, the inside of heating furnace 12 is provided with heating element heater 125, the bottom of heating furnace 12 has the first different annular heat insulating member (121) of diameter, the described first annular heat insulating member 121 that diameter is large is connected on the furnace wall 123 of outer shroud, the described first annular heat insulating member 121 that diameter is little is connected on the furnace wall 123 of inner ring, the fire door for the annular passed in and out by the bearing heated is formed between two the first annular heat insulating members 121, have at least in two the first annular heat insulating members 121 one with furnace wall 123 hinged, bidirectional elastic resetting-mechanism 122 is provided with in hinged place.Size, the shape of above-mentioned annular housing are not limit, as long as can bearing to be heated be held, in actual use, and the general cavity adopting annular.
As shown in Figure 2, after the bearing heating device of the present embodiment needs to combine with the bearing heating bracing or strutting arrangement in embodiment two, complete heating cavity could be formed, thus parts of bearings is heated.In order to increase the seal of heating cavity, forming annular fire door between two the first annular heat insulating members 121 is generally the size being less than bearing to be heated, as long as make one of them first annular heat insulating member 121 be formed hinged with furnace wall, bearing to be heated just can be allowed successfully to pass in and out from fire door.The object arranging bidirectional elastic resetting-mechanism 122 is to apply reset response power to the first annular heat insulating member 121, add in stove or after taking out from stove bearing to be heated is inserted, initial position can be automatically reset to, and bearing to be heated is inserted add stove time, first annular heat insulating member 121 can be abutted with the second annular heat member in tight on bearing heating bracing or strutting arrangement, thus the heating cavity that formation one is airtight.The initial position of the first annular heat insulating member should be horizontal or horizontal level up and down near, the setting of its particular location can be determined according to the setting position of the second annular heat parts of the bearing heating bracing or strutting arrangement coordinated with heating furnace, as long as the first annular heat insulating member 121 can be made can closely to abut with the second annular heat parts, preferably certain reset response power can be had to keep this tight abutting state when abutting.
In actual use, first by will the below of bearing heating bracing or strutting arrangement as heating furnace 12 of bearing to be heated be carried, lowering or hoisting gear 11 drives heating furnace 12 to move downward, namely towards bearing movable, then the top of bearing will push the first annular heat insulating member 121 and upwards rotates, after bearing enters heating furnace 12 completely, first annular heat insulating member 121 relies on the reset response power of bidirectional elastic resetting-mechanism 122 to move to initial position, and abut on the second annular heat parts 22 of bearing heating bracing or strutting arrangement, form airtight furnace chamber.To be heated complete after, lowering or hoisting gear 11 drives heating furnace 12 to move upward, namely away from bearing movable, the bottom of bearing will push the first annular heat insulating member 121 and rotate, after bearing departs from heating furnace 12 completely, the first annular heat insulating member 121 relies on the reset response power of bidirectional elastic resetting-mechanism 122 to reset to initial position.
Can be found out by explanation above, use the bearing heating device of the present embodiment to heat bearing, in the process of heating, not need the extra lifting operation for bearing, only need to control lowering or hoisting gear and promote or reduce heating furnace.In addition, by arranging, there is the first annular heat insulating member of bidirectional elastic reset function, making bearing pass in and out furnace chamber more for convenience, and can automatically and the bearing heating bracing or strutting arrangement of loading bearing form airtight furnace chamber, simplify operating process, improve bearing heating efficiency.
Below the alternate configurations of the major part of the heater of the present embodiment is described in detail.
1) setting position of the first annular heat insulating member 121
Consider from the angle realizing bearing turnover to be heated, the first annular heat insulating member 121 needs with the side of furnace wall 123 hinged, and opposite side does not need hinged, is directly fixedly connected with furnace wall 123.Comparatively preferably, the radical length of the first annular heat insulating member 121 of hinged side can be greater than the radical length not having hinged side, thus provides larger space can to the turnover of bearing, to be applicable to the bearing of more large scale scope.In addition, structure due to the outside of bearing compares inner side (inner side is generally the cylinder of standard) complex structure, the outer shroud side of bearing has part etc. outwardly, therefore, preferably, by hinged with the furnace wall 123 of outer shroud for the first annular heat insulating member 121 of the side, furnace wall 123 being arranged on outer shroud, first of the side being arranged on the furnace wall 123 of inner ring the annular heat insulating member 121 is fixedly connected with inner ring furnace wall 123.
2) the first annular heat insulating member 121 and bidirectional elastic resetting-mechanism 122
As shown in Figure 3 and Figure 4, furnace wall 123 comprises furnace wall body 1231 and is arranged on the annular heat insulating strip 1232 of two of bottom of furnace wall body 1231, two annular heat bars 1232 are separately positioned on the furnace wall body 1231 of inner ring and the furnace wall body 1231 of outer shroud, first annular insulation part 121 of both sides is all arranged on heat insulating strip 1232, wherein, at least one first annular heat insulating member 121 is hinged with heat insulating strip 1232, preferably, as shown in Figure 3 and Figure 4, the first annular heat insulating member 121 being positioned at outside is hinged with heat insulating strip 1232.Heat insulating strip 1232 can be bolted or the fixing mode that directly bonds is fixed on the bottom of furnace wall body 1231.
General furnace chamber body is all one-body molded by mold, the also thicker and comparatively robust in the furnace wall 123 of furnace chamber, if reprocess bindiny mechanism etc. on furnace chamber body, operation is comparatively complicated, and a heat insulating strip 1232 is set by additional, articulated structure and above-mentioned bidirectional elastic resetting-mechanism 122 can be set more easily.
Further, above-mentioned hingedly can be realized by door shaft structure 124, as shown in Figure 5 and Figure 6, heat insulating strip 1232 is provided with multiple door shaft structure 124, door shaft structure comprises at least that Liang Ge ear 1242 is (generally speaking, door shaft structure comprises Liang Ge ear), ear 1242 is provided with axis hole, run through in axis hole and have bearing pin 1241, bearing pin 1241 can rotate by opposed ears 1242, first annular heat insulating member 121 is fixedly connected with bearing pin 1241, and bidirectional elastic resetting-mechanism 122 is arranged on bearing pin 1241.The structure of door shaft structure 124 is simple, and the hinged of circumferencial direction can be realized by multiple independently door shaft structure 124, the installation of bearing pin 1241 is also comparatively convenient.
Further, bidirectional elastic resetting-mechanism 122 above can be realized by the torsion spring on the bearing pin 1241 between the multiple Liang Ge of being set in ear 1242, particularly, two-way torsion spring (possessing the reverse reset function to both direction) can be adopted to realize bidirectional elastic reset function, and the mode that multiple forward torsion spring 1221 and reverse torsion spring 1222 also can be adopted to carry out arranging in pairs or groups resets to realize bidirectional elastic.No matter adopt which kind of torsion spring, at least be provided with a torsion spring in each door shaft structure 124, torsion spring set is located on bearing pin 1241, and between Liang Ge ear 1242, one end of torsion spring is fixedly connected with bearing pin 1241, other end clamping or be fixedly connected on the first annular heat insulating member 121.
As shown in Figure 6, as comparatively preferred structure, which employs the equal forward torsion spring 1221 of multiple quantity and reverse torsion spring 1222 to achieve bidirectional elastic reset function, forward torsion spring 1221 is fixedly connected with bearing pin 1241 with reverse torsion spring 1222 one end, and the other end is connected on the different face of two of the first annular heat insulating member 121 respectively, thus realize applying the different torsional moment in direction to the first annular heat insulating member 121.Door shaft structure 124 is also evenly arranged along the ring circumferential direction of heat insulating strip 1232, a forward torsion spring 1221 or reverse torsion spring 1222 are set in each door shaft structure 124, forward torsion spring 1221 and reverse torsion spring 1222 are alternately distributed in ring circumferential direction, thus forward and reverse torsional moment can be uniformly distributed.
In addition, the loop configuration that first annular heat insulating member 121 also can be able to be integrated for splitted structure, if adopt the loop configuration of one, need to adopt the heat-barrier material with certain flexibility, to adapt to the needs that whole first annular heat insulating member about 121 rotates.Preferably, the first annular heat insulating member 121 adopts the structure of distinguish.Further, every lobe can the corresponding even number door shaft structure forward torsion spring equal with quantity and reverse torsion spring, namely the annular heat insulating member of every lobe first 121 can both carry out forward and reverse rotation reset independently, as shown in Figure 5, whole first annular heat insulating member 121 is circumferentially divided into 12 lobes, the annular heat insulating member of every lobe first 121 is hinged by two door shaft structures 124 and heat insulating strip 1232, the bearing pin 1241 of two door shaft structures 124 is respectively arranged with a forward torsion spring 1221 and a reverse torsion spring 1222, namely a forward torsion spring 1221 and a reverse torsion spring 1222 are one group, two-way elastic reset power is applied to the annular heat insulating member of a lobe first 121.Certainly, concrete lobe number can set according to actual needs flexibly, and such as also whole first annular heat insulating member 121 circumferentially can be divided into 4 lobes or 6 lobes etc., the quantity of the door shaft structure 124 on every lobe also can set flexibly.
First annular heat insulating member 121 preferably adopts the structure shown in Fig. 6 with the connected mode of bearing pin 1241, first annular heat insulating member 121 correspondence is provided with some recesses, corresponding door shaft structure 124 position of recess, the outside of bearing pin 1241 through Liang Ge ear 1242 and to ear is stretched out, and bearing pin 1241 part of stretching out is fixedly connected with the first annular heat insulating member 121.
3) lowering or hoisting gear
As shown in Figure 1, lowering or hoisting gear 11 can adopt portal structures, and the crossbeam 112 comprising two root posts 111 and be erected on column 111, be provided with linear telescopic mechanism 113 between crossbeam 112 and column 111, heating furnace 12 is lifted on crossbeam 112.Namely two root posts 111 are vertically arranged, and upper end is all provided with linear telescopic mechanism 113, linear telescopic mechanism 113 can be cylinder, hydraulic mechanism or other can carry out the equipment of linear drives, Liang Ge linear telescopic mechanism 113 is connected to the two ends of crossbeam 112, by the driving effect of Liang Ge linear telescopic mechanism 113, crossbeam 112 is moved up and down, and then drive the heating furnace 12 be lifted on crossbeam 112 to move up and down, thus complete the suit of heating furnace 12 pairs of bearings or depart from the action of bearing, operate also very convenient.
4) heating furnace
The heating element heater 125 arranged in heating furnace is preferably electrical heating elements, such as resistance wire or Elema etc.As shown in Figure 3, electrical heating elements is arranged on the furnace wall 123 of inner ring and the furnace wall 123 of outer shroud, and correspondingly, furnace wall 123 also should adopt insulating materials.Further, the inside of heating furnace 12 burner hearth can arrange insulation blocking frame 126, and insulation blocking frame is in heating element heater 125 and by between the bearing that heats.Can avoid like this being heated bearing collision heating element heater 125, cause the damage of heating element heater 125.
As a kind of embodiment, the first temperature transducer detecting cavity temperature can also be provided with in the furnace chamber of heating furnace 12 and be heated the second temperature transducer of the temperature of bearing with detection.The heating work of temperature to heating furnace 12 that can detect according to the first temperature transducer and the second temperature transducer like this controls.Wherein the second temperature transducer can be infrared thermometry sensor, thus can detect by the temperature of heating bearing with non-contact measurement.Sensor can be deep in furnace chamber by the mode of holing on furnace wall.
Embodiment two
As shown in Figure 7, the present embodiment relates to bearing heating system, and it comprises bearing heating device 1 and the bearing heating bracing or strutting arrangement 2 of embodiment one.Bearing heating bracing or strutting arrangement 2 comprise platform 21 and be arranged on platform for supporting by the bearings parts 23 of heating bearing, bearings parts are provided with the second annular heat parts 22, the size of the size of the second annular heat parts 22 and the first annular heat insulating member 121 is suitable, after bearing to be heated is inserted heating furnace, the first annular heat insulating member can abut against with the second annular heat parts.
In the present embodiment, after bearing heating device 1 separated from one another and bearing heating bracing or strutting arrangement 2 being combined, closed heating cavity is defined, the heating operation of complete matched bearings.The bearing heating system of application the present embodiment heats bearing, in the process of heating, does not need the extra lifting operation for bearing, only needs to control lowering or hoisting gear and promotes or reduce heating furnace.In addition, bearing heating device 1 can refer to Fig. 2, bearing is being inserted in the process in the heating furnace 12 of bearing heating device 1, by the first annular heat insulating member 121 with bidirectional elastic reset function, bearing is made to pass in and out furnace chamber more for convenience, and can automatically and the second annular heat parts 22 of bearing heating bracing or strutting arrangement closely cooperate and form airtight furnace chamber, simplify operating process, improve bearing heating efficiency.
As shown in Figure 7, bearings parts 23 can be multiple columnar supporting body, and the second annular heat parts 22 are loop configuration on the whole, and multiple columnar supporting body passes from the second annular heat parts 22, and are fixedly connected with the second annular heat parts 22.Preferably, bearings parts 23 are cylinder mechanism or hydraulic mechanism, second annular heat parts 22 are arranged on the sidewall of the piston of cylinder mechanism or hydraulic mechanism, make the second annular heat parts 22 can along with piston up-down, preferably, the plane at the second annular heat parts 22 place is a little less than the end face of piston, bearing can be put into the darker position of heating furnace like this, there is certain distance the bottom surface of the heating furnace that distance the first annular heat insulating member 121 and the second annular heat parts 22 are formed, thus ensures the efficiency of heating surface.Bearings parts 23 itself have leveling effect, and as shown in Figure 7, bearing to be heated is supported by four cylinder mechanisms or hydraulic mechanism, by regulating the height of the piston of four cylinder mechanisms, can treat heating bearing and carrying out leveling.
Further, as bearing heating system, by guide rail 24, bearing heating device 1 separated from one another and bearing heating bracing or strutting arrangement 2 can also be coupled together, namely the bearing heating system of the present embodiment also comprises guide rail 24, platform 21 is arranged on guide rail 24 and also can moves on guide rail 24, lowering or hoisting gear 11 is portal structures, is crossed on the both sides of guide rail 24.The bearing heating system comprising guide rail 24 can directly apply in production line, the bearing last operation handled well is transported to bearing heating device 1 place by transportable bearing heating bracing or strutting arrangement 2, carry out heating operation, whole process automation degree is high, decreases the cost of artificial carrying bearing.
The first above annular heat insulating member 121, second annular heat parts 22 and the material of heat insulating strip 1232 adopt heat-barrier material of the prior art, such as, rubber, glass fibre, asbestos etc., also can add some metal materials wherein as required to improve its rigidity.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (15)
1. a bearing heating device, is characterized in that, comprising: lowering or hoisting gear (11) and the heating furnace (12) be connected with lowering or hoisting gear (11);
The annular housing that described heating furnace (12) opens for bottom, the inside of described heating furnace (12) is provided with heating element heater (125), the bottom of described heating furnace (12) has the first different annular heat insulating member (121) of two diameters, the described first annular heat insulating member (121) that diameter is large is connected on the furnace wall (123) of outer shroud, the described first annular heat insulating member (121) that diameter is little is connected on the furnace wall (123) of inner ring, the fire door for the annular passed in and out by the bearing heated is formed between two described first annular heat insulating members (121), first annular heat insulating member (121) described at least one is hinged with described furnace wall (123), bidirectional elastic resetting-mechanism (122) is provided with in described hinged place.
2. bearing heating device according to claim 1, it is characterized in that, described furnace wall (123) comprises furnace wall body (1231) and is arranged on the annular heat insulating strip (1232) of two of bottom of furnace wall body (1231), described two annular heat bars (1232) are separately positioned on the furnace wall body (1231) of inner ring and the furnace wall body (1231) of outer shroud, described first annular heat insulating member (121) is arranged on described heat insulating strip (1232), first annular heat insulating member (121) described at least one is hinged with described heat insulating strip (1232).
3. bearing heating device according to claim 2, it is characterized in that, be provided with multiple door shaft structure (124) existing on hinged described heat insulating strip (1232), described door shaft structure (124) comprises at least Liang Ge ear (1242), (1242) are provided with axis hole in described ear, run through in axis hole and have bearing pin (1241), described bearing pin (1241) can rotate relative to described ear (1242), described first annular heat insulating member (121) is fixedly connected with described bearing pin (1241), described bidirectional elastic resetting-mechanism (122) is arranged on described bearing pin (1241).
4. bearing heating device according to claim 3, it is characterized in that, described door shaft structure (124) comprises Liang Ge ear (1242), described bidirectional elastic resetting-mechanism (122) comprises multiple torsion spring, a torsion spring is at least provided with in each door shaft structure (124), described torsion spring set is located on described bearing pin (1241), and be positioned between two described ears (1242), one end of described torsion spring is fixedly connected with described bearing pin (1241), other end clamping or be fixedly connected on described first annular heat insulating member (121), described multiple torsion spring is multiple two-way torsion spring or multiple forward torsion spring (1221) and reverse torsion spring (1222).
5. bearing heating device according to claim 4, it is characterized in that, described multiple torsion spring comprises the equal forward torsion spring (1221) of quantity and reverse torsion spring (1222), described door shaft structure (124) is evenly arranged along the ring circumferential direction of described heat insulating strip (1232), arrange a forward torsion spring (1221) or reverse torsion spring (1222) in each door shaft structure (124), described forward torsion spring (1221) and reverse torsion spring (1222) are alternately distributed in described ring circumferential direction.
6. bearing heating device according to claim 5, it is characterized in that, described first annular heat insulating member (121) is splitted structure, the forward torsion spring (1221) that described in every lobe, the first annular heat insulating member (121) corresponding even number door shaft structure (124) is equal with quantity and reverse torsion spring (1222).
7. bearing heating device according to claim 1, it is characterized in that, the the first annular heat insulating member (121) being arranged on furnace wall (123) side of outer shroud is hinged with the furnace wall (123) of described outer shroud, and the first annular heat insulating member (121) being arranged on the side of the furnace wall (123) of inner ring is fixedly connected with described inner ring furnace wall (123).
8. bearing heating device according to claim 1, is characterized in that, described first annular heat insulating member (121) is splitted structure.
9. bearing heating device according to claim 1, it is characterized in that, described lowering or hoisting gear (11) is portal structures, comprise two root posts (111) and be erected at the crossbeam (112) on described column (111), be provided with linear telescopic mechanism (113) between described crossbeam (112) and described column (111), described heating furnace (12) is lifted on described crossbeam (112).
10. bearing heating device according to claim 1, it is characterized in that, described furnace wall (123) is insulating materials, described heating element heater (125) is electrical heating elements, and this electrical heating elements is arranged on the madial wall of the furnace wall (123) of described inner ring and the furnace wall (123) of described outer shroud.
11. bearing heating devices according to claim 10; it is characterized in that; the inside of described heating furnace (12) burner hearth is provided with insulation blocking frame (126), and described insulation blocking frame (126) is in described heating element heater (125) and described by between the bearing that heats.
12. bearing heating devices according to claim 10, is characterized in that, be provided with the first temperature transducer detecting cavity temperature and heated the second temperature transducer of the temperature of bearing with detection in the furnace chamber in described heating furnace (12).
13. 1 kinds of bearing heating systems, it is characterized in that, comprise as arbitrary in claim 1 to 12 as described in bearing heating device (1), also comprise bearing heating bracing or strutting arrangement (2), described bearing heating bracing or strutting arrangement (2) comprise platform (21) and be arranged on platform (21) for support by heating bearing bearings parts (23), described bearings parts (23) are provided with the second annular heat parts (22), the size of described second annular heat parts (22) and the size of described first annular heat insulating member (121) suitable, after bearing to be heated is inserted described heating furnace (12), described first annular heat insulating member (121) can abut against with described second annular heat parts (22).
14. bearing heating systems according to claim 13, it is characterized in that, described bearings parts (23) are cylinder mechanism or hydraulic mechanism, and described second annular heat parts (22) are arranged on the sidewall of the piston of described cylinder mechanism or hydraulic mechanism.
15. bearing heating systems according to claim 13 or 14, it is characterized in that, also comprise guide rail (24), described platform (21) is arranged on described guide rail (24) above also can in the upper motion of described guide rail (24), described lowering or hoisting gear (11) is portal structures, is crossed on the both sides of described guide rail (24).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510328921.5A CN104942529B (en) | 2015-06-15 | 2015-06-15 | Bearing heating device and bearing heating system |
| KR1020150126183A KR101813468B1 (en) | 2015-06-15 | 2015-09-07 | Bearing heating device and bearing heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510328921.5A CN104942529B (en) | 2015-06-15 | 2015-06-15 | Bearing heating device and bearing heating system |
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| CN104942529A true CN104942529A (en) | 2015-09-30 |
| CN104942529B CN104942529B (en) | 2017-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787300A (en) * | 2021-09-14 | 2021-12-14 | 徐州铭德轴承有限公司 | Automatic many sizes of clear oil bearing heating device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015555B (en) * | 2018-07-31 | 2020-09-15 | 宁波纬诚科技股份有限公司 | Device for producing rolling bearing |
| CN110934602A (en) * | 2018-09-21 | 2020-03-31 | 日立医疗系统(苏州)有限公司 | Mobile X-ray machine |
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| CN113787300B (en) * | 2021-09-14 | 2022-08-02 | 徐州铭德轴承有限公司 | Automatic many sizes of clear oil bearing heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104942529B (en) | 2017-05-03 |
| KR20160147614A (en) | 2016-12-23 |
| KR101813468B1 (en) | 2017-12-29 |
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