CN101924414A - Cutter motor and shield machine - Google Patents
Cutter motor and shield machine Download PDFInfo
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- CN101924414A CN101924414A CN2010102521039A CN201010252103A CN101924414A CN 101924414 A CN101924414 A CN 101924414A CN 2010102521039 A CN2010102521039 A CN 2010102521039A CN 201010252103 A CN201010252103 A CN 201010252103A CN 101924414 A CN101924414 A CN 101924414A
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Abstract
The invention discloses a cutter motor and a shield machine. The cutter motor comprises a motor shell, a rotor and a stator, wherein the motor shell comprises an outer cylinder body and an inner cylinder body; the inner cylinder body is embedded into the outer cylinder body, and the joint position of the inner cylinder body and the outer cylinder body is provided with a water tank; and the water tank is communicated with a water inlet and a water outlet which are arranged on the outer cylinder body. The cutter motor provided by the invention has simple structure, can be effectively used for cooling the motor, reduce failure probability of the motor and effectively improve the running stability and reliability of motor.
Description
Technical field
The present invention relates to motor technology, relate in particular to a kind of cutter motor and shield machine.
Background technology
In great engineering construction project, the application of large-scale engineering machinery more and more widely, and a kind of as engineering machinery, shield machine is widely used in the engineering field that full section such as subway, hydraulic engineering, railway, vcehicular tunnel excavates.
Traditionally, shield machine generally be by hydraulic motor as power, and in order to reach energy saving purposes, also have at present and adopt the power of motor as shield machine, wherein, the cutter motor that adopts of shield machine is exactly to be used for the motor that cutterhead on the driving shield machine carries out work.The quantity of the required cutter motor of shield machine is more, be generally 3～6, the power grade of cutter motor is between 30～180KW, and each cutter motor is the cutterhead rotation of driving shield machine respectively, thereby utilize the rotation of cutterhead to cut the rock stratum, reach the purpose that driving is dug a hole; In addition, shield machine also needs traveling portion motor and other stand-by motor, and the power grade of motor is between 50～600KW, and quantity is about 10.In the shield machine course of work, need the collaborative work of each motor, can guarantee that just shield machine works normally, therefore, the cutter motor of shield machine employing at present generally is the frequency control threephase asynchronous, so that motor is controlled, make each motor coordination unanimity, but guarantee the shield machine operate as normal.The normally common motor of frequency control threephase asynchronous machine that adopts in the existing shield machine, and shield machine generally is that to be operated in environment more abominable, the tunnel that performance of ventilating is relatively poor or underground, and the shield machine long-time continual work of needs usually, motor power consumption is bigger, make that the heat that produces in the machine operation is more, and heat is difficult for distributing, and causes motor temperature higher, dispels the heat if motor is untimely, too high temperature will cause motor to damage, thereby causes the shield machine can't operate as normal.
To sum up, the cutter motor of existing shield machine adopts common electric machine, and the heat-sinking capability of motor is relatively poor, in the shield machine course of work, motor is easily because of the bad damage that produces of dispelling the heat, and makes that the stability and the reliability of motor operation are relatively poor, causes the shield machine can't operate as normal.
Summary of the invention
The invention provides a kind of cutter motor and shield machine, can effectively overcome the bad problem of motor radiating in the existing shield machine, can effectively improve the stability and the reliability of motor operation.
The invention provides a kind of cutter motor, comprise: motor housing, be provided with rotor and stator in the described motor housing, described motor housing comprises outer cylinder body and inner barrel, described inner barrel is embedded in described outer cylinder body, and the junction of described inner barrel and outer cylinder body is provided with tank, and described tank is communicated with water inlet and delivery port on being arranged on described outer cylinder body.
In the above-mentioned cutter motor, described tank is the double helix tank that is arranged on the inwall of described outer cylinder body, and perhaps, described tank is the double helix tank that is arranged on the outer wall of described inner barrel; The import of described double helix tank and outlet are provided with end.
The rotating shaft two ends of described rotor are connected with driving end end cap and non-transmision end end cap respectively; Described driving end end cap and non-transmision end end cap are installed in the two ends of described motor housing respectively, and are tightly connected between described driving end end cap and non-transmision end end cap and the described motor housing.Particularly, can be tightly connected by the O RunddichtringO that installs additional between described driving end end cap and non-transmision end end cap and the described motor housing.
In the above-mentioned cutter motor, described stator comprises stator core and is arranged on stator winding in the described stator core that the end of described stator winding links together by the nose of soft end hoop with stator coil.
Described stator core comprises stator punching and is arranged on the stator end plate of stator punching both sides that the described stator end plate outside also is provided with stator pressing ring; Described stator pressing ring, stator end plate and stator punching are solid-located by the stator cramp.Offer storage tank on the described stator punching, described stator cramp is arranged in the described storage tank, and the two ends of described stator cramp are welded on respectively on the described stator pressing ring.
In the above-mentioned cutter motor, described two ends of rotor is provided with balancing frame, and described balancing frame is provided with compensating groove, is provided with balance weight in the described compensating groove.
In the above-mentioned cutter motor, also be embedded with temperature sensor in three phase windings of described stator, be used to measure the temperature of winding.
The present invention also provides a kind of shield machine, comprises cutterhead, and above-mentioned cutter motor, and described cutter motor is connected with described cutterhead, is used to drive cutterhead work.
Cutter motor provided by the invention and shield machine, by tank is set on motor casing, in the machine operation process, can lower the temperature to motor by the cooling water that this tank injects, improved the heat-sinking capability of motor, can effectively avoid motor Yin Wendu too high and damage, improve the stability and the reliability of motor operation; Tank in the technical solution of the present invention is by adopting the double helix tank, and the import of tank and outlet can be provided with end, make that the control of cooling water is convenient, improve the cooling-down effect of motor and the utilance of cooling water; Driving end end cap in the technical solution of the present invention and non-transmision end end cap and motor housing adopt and are tightly connected, can effectively avoid extraneous dust etc. to enter motor internal, guarantee the clean of motor internal, avoid motor internal to enter dust and occur damaging bad, can improve the stability and the reliability of motor operation further; Cutter motor modern design of the present invention, rationally, overload capacity is strong, margin of temperature rise is big, failure rate is low, volume is little, in light weight, safe and reliable, can be applicable to the occasions higher to the motor instructions for use such as shield machine.
Description of drawings
Fig. 1 is the structural representation of cutter motor embodiment of the present invention;
Fig. 2 is the left view of cutter motor embodiment of the present invention;
Fig. 3 is the structural representation of motor housing in the embodiment of the invention;
Fig. 4 is the structural representation of inner barrel in the embodiment of the invention;
Fig. 5 is the structural representation of stator in the embodiment of the invention;
Fig. 6 is the structural representation of embodiment of the invention rotor.
Reference numeral:
The 1-motor housing; The 2-rotor; The 3-stator;
The 11-outer cylinder body; The 12-inner barrel; The 13-tank;
The 14-water inlet; The 15-delivery port; 121-double helix tank;
The 122-import; The 123-outlet; The 4-rotating shaft;
51-driving end end cap; 52-non-transmision end end cap; The 6-O RunddichtringO;
The 31-stator core; The 32-stator winding; The soft end hoop of 33-;
The 311-stator punching; The 312-stator end plate; The 313-stator pressing ring;
314-stator cramp; The 7-balancing frame; The 71-compensating groove;
The 72-balance weight; 53-driving end bearing; 54-non-transmision end bearing;
The 55-circlip; The 56-circlip; 57-round nut floor clip;
The 58-speed measuring fluted disc; The 59-tachogenerator.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the structural representation of cutter motor embodiment of the present invention; Fig. 2 is the left view of cutter motor embodiment of the present invention; Fig. 3 is the structural representation of motor housing in the embodiment of the invention; Fig. 4 is the structural representation of inner barrel in the embodiment of the invention; Fig. 5 is the structural representation of stator in the embodiment of the invention; Fig. 6 is the structural representation of embodiment of the invention rotor.As Fig. 1, Fig. 2 and shown in Figure 3, the present embodiment cutter motor comprises motor housing 1, is arranged on rotor 2 and stator 3 in the motor housing 1, wherein, motor housing 1 comprises outer cylinder body 11 and inner barrel 12, this inner barrel 12 is embedded in outer cylinder body 11, and the junction of outer cylinder body 11 and inner barrel 12 is provided with tank 13, and this tank 13 is communicated with water inlet 14 that is arranged on outer cylinder body 11 and delivery port 15.The present embodiment cutter motor can be applicable in the shield machine, the work of driving cutterhead, and in cutter motor work, can feed cooling water by the tank that is provided with on it, to the cutter motor processing of lowering the temperature, can effectively avoid in the cutter motor course of work, Yin Wendu is too high and damage, and can effectively guarantee the stability and the reliability of cutter motor and shield machine operation.
In the present embodiment, tank 13 can be arranged on the outer wall of the inner barrel 12 that is embedded in outer cylinder body 11, perhaps be arranged on the inwall of outer cylinder body 11, in addition, this tank 13 also can be the tank that the involutory back of groove on the outer wall that is arranged on outer cylinder body 11 inwalls and is arranged on inner barrel 12 forms.
In the present embodiment, tank 13 can be the double helix tank on the inwall that is arranged on outer cylinder body 11, perhaps tank 13 is the double helix tank on the outer wall that is arranged on inner barrel 12, and the import of double helix tank and outlet are provided with end, preferably, in this example, tank 13 is arranged on the outer wall of inner barrel 12.Particularly, as shown in Figure 4, on the outer wall of inner barrel 12, offer double helix tank 121, and the import 122 and the outlet 123 of this double helix tank 121 are provided with end, when inner barrel 12 is embedded behind outer cylinder body 11, this double helix tank 121 and the inwall of outer cylinder body 11 form the Inlet and outlet water passage of sealing, and import 122 and outlet 123 are communicated with respectively with water inlet 14 and delivery port 15 on being arranged on outer cylinder body 11.By adopting the double helix tank, water inlet and delivery port can be provided with end, thereby make that the control of cooling water is convenient, when assurance is lowered the temperature to cutter motor, can effectively improve the utilance of cooling water, guarantee the stability and the reliability of cutter motor operation.
In the present embodiment, rotor 2 is installed in the rotating shaft 4, and the two ends of rotating shaft 4 are connected with non-transmision end end cap 52 with driving end end cap 51 respectively, this driving end end cap 51 and non-transmision end end cap 52 are installed in the two ends of motor housing 1 respectively, and be tightly connected between driving end end cap 51 and non-transmision end end cap 52 and the motor housing 1, particularly, as shown in Figure 1, be tightly connected by the O RunddichtringO 6 that installs additional between driving end end cap 51 and non-transmision end end cap 52 and the motor housing 1.Between driving end end cap 51 and non-transmision end end cap 52 and the motor housing 1 by being tightly connected, in the cutter motor running, dust, rock, sandy soil etc. enter cutter motor inside in the time of can effectively avoiding shield machine to excavate, can effectively prevent to enter the damage of the motor that motor internal causes, thereby guarantee that cutter motor can be stablized, operation reliably because of dust.
In the present embodiment, rotating shaft 4 can be connected with driving end end cap 51 by driving end bearing 53, is connected with non-transmision end end cap 52 by non-transmision end bearing 54, wherein, rotating shaft 4 can be stretched out driving end end cap 51 by driving end bearing 53, and also circlip for shaft 55 can be housed on the driving end of rotating shaft 4; The extended non-transmision end end cap 52 of the non-transmision end of rotating shaft 4, and circlip for shaft 56, round nut floor clip 57, speed measuring fluted disc 58 can be housed also on the non-transmision end of rotating shaft 4, and front bearing retainer that can non-transmision end bearing 54 is provided with tachogenerator 59, be used for measuring in real time rotating speed of motor, so that the operation conditions of motor is controlled according to rotating speed.In addition, the outside of motor housing 1 also can be provided with terminal box, and external cable can pass through cable joint thereto inside, and after terminal box and the stator assembling, can reach the IP55 degree of protection.
In the present embodiment, as shown in Figure 5, stator 3 can comprise stator core 31 and the stator winding 32 that is arranged in the stator core 31, and the end of stator winding 32 can link together by the nose of soft end hoop 33 with stator coil, end by 33 pairs of stator coils of soft end hoop is fixed, can effectively improve the intensity of stator winding, improve the anti-vibration performance in the cutter motor course of work, guarantee the stability and the reliability of cutter motor operation.
In the present embodiment, as shown in Figure 5, the stator core 31 of stator 3 can comprise stator punching 311 and be arranged on the stator end plate 312 of stator punching 311 both sides, and stator end plate 312 outsides also are provided with stator pressing ring 313, stator pressing ring 313, stator end plate 312 and stator punching 311 are solid-located by stator cramp 314, wherein, offer storage tank on the stator punching 311, stator cramp 314 middle parts can be arranged in this storage tank, and the two ends of stator cramp 314 are welded on respectively on the stator pressing ring 313 at two ends.As can be seen, by stator cramp 314 and stator pressing ring 313 are set, can effectively stator punching 311 be fixed together, thereby can improve the stability of stator in the motor operation course, avoid stator punching 311 bad because of the operating vibration of motor occurs becoming flexible etc.
In the present embodiment, as shown in Figure 6, the two ends of rotor 2 can be provided with balancing frame 7, offer compensating groove 71 on this balancing frame 7, and be provided with balance weight 72 in the compensating groove 71, in the rotor assembling process, can come balancing rotor by utilizing balance weight 72 hamming methods, in rotor 2 runnings, this balancing frame 7 can play the effect of rotor pressing plate, thereby improves the whole balance quality in rotor assembling back, improves working rotor efficient.In the practical application, the iron core of rotor 2 can adopt copper sliver, end ring squirrel-cage welded structure, and wherein, rotor punching can insert the copper sliver after installing, laminating, and welds with end ring; In addition, rotor 2 can be installed in the rotating shaft 4 by the mode that key cooperates, and guarantees the fastness that cooperates between rotor 2 and the rotating shaft 4.
In the present embodiment, also can be embedded with the temperature sensor (not shown) in three phase windings of stator, be used to measure the temperature of winding, so that detect winding temperature when too high, can in time report to the police, cut off the electricity supply, the protection motor is not damaged.In the practical application, can in three-phase stator winding, be embedded with two cover PT100 temperature transducers, and in real time winding temperature be measured, avoid winding temperature too high and burn motor.
To sum up, embodiment of the invention cutter motor, can be lowered the temperature to motor by the cooling water that this tank injects in the machine operation process by tank is set on motor casing, can effectively avoid motor Yin Wendu too high and damage, can effectively improve the stability and the reliability of motor operation; The present embodiment tank makes the import of tank and outlet be provided with at one end by adopting the double helix tank, makes that the control of cooling water is convenient, can improve the cooling-down effect of motor; The driving end end cap of present embodiment cutterhead machine and non-transmision end end cap and motor housing adopt and are tightly connected, can effectively avoid extraneous dust etc. to enter motor internal, can effectively guarantee the clean of motor internal, avoid motor internal to enter dust and occur damaging bad, can improve the stability and the reliability of motor operation further; The present embodiment cutter motor has modern design, rationally, and overload capacity is strong, margin of temperature rise is big, failure rate is low, volume is little, in light weight, safe and reliable, can be applicable to the occasions higher to the motor instructions for use such as shield machine.
In addition, this enforcement also provides a kind of shield machine, and this shield machine can include cutterhead, and comprises the described cutter motor of the foregoing description, and cutter motor is connected with cutterhead, is used to drive cutterhead work.Compare with existing shield machine, motor in the present embodiment shield machine adopts the cutter motor of the foregoing description to have cooling-down effect preferably, can be used in construction environment harsh conditions such as tunnel, thereby can guarantee effectively that shield machine is stable, work reliably, reduce fault, improve efficiency of construction.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. cutter motor, comprise motor housing, be provided with rotor and stator in the described motor housing, it is characterized in that, described motor housing comprises outer cylinder body and inner barrel, described inner barrel is embedded in described outer cylinder body, and the junction of described inner barrel and outer cylinder body is provided with tank, and described tank is communicated with water inlet and delivery port on being arranged on described outer cylinder body.
2. cutter motor according to claim 1 is characterized in that, described tank is the double helix tank that is arranged on the inwall of described outer cylinder body, and/or described tank is the double helix tank that is arranged on the outer wall of described inner barrel;
The import of described double helix tank and outlet are provided with end.
3. cutter motor according to claim 1 and 2 is characterized in that, the rotating shaft two ends of described rotor are connected with driving end end cap and non-transmision end end cap respectively; Described driving end end cap and non-transmision end end cap are installed in the two ends of described motor housing respectively, and are tightly connected between described driving end end cap and non-transmision end end cap and the described motor housing.
4. cutter motor according to claim 3 is characterized in that, is tightly connected by the O RunddichtringO that installs additional between described driving end end cap and non-transmision end end cap and the described motor housing.
5. cutter motor according to claim 1 and 2 is characterized in that, described stator comprises stator core and be arranged on stator winding in the described stator core that the end of described stator winding links together by the nose of soft end hoop with stator coil.
6. cutter motor according to claim 5 is characterized in that, described stator core comprises stator punching and be arranged on the stator end plate of stator punching both sides that the described stator end plate outside also is provided with stator pressing ring; Described stator pressing ring, stator end plate and stator punching are solid-located by the stator cramp.
7. cutter motor according to claim 6 is characterized in that, offers storage tank on the described stator punching, and described stator cramp is arranged in the described storage tank, and the two ends of described stator cramp are welded on respectively on the described stator pressing ring.
8. cutter motor according to claim 1 and 2 is characterized in that described two ends of rotor is provided with balancing frame, and described balancing frame is provided with compensating groove, is provided with balance weight in the described compensating groove.
9. cutter motor according to claim 1 and 2 is characterized in that, also is embedded with temperature sensor in three phase windings of described stator, is used to measure the temperature of winding.
10. a shield machine comprises cutterhead, it is characterized in that, also comprises aforesaid right requirement 1～9 arbitrary described cutter motor, and described cutter motor is connected with described cutterhead, is used to drive cutterhead work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102521039A CN101924414A (en) | 2010-08-06 | 2010-08-06 | Cutter motor and shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102521039A CN101924414A (en) | 2010-08-06 | 2010-08-06 | Cutter motor and shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN101924414A true CN101924414A (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102521039A Pending CN101924414A (en) | 2010-08-06 | 2010-08-06 | Cutter motor and shield machine |
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| CN (1) | CN101924414A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012150046A1 (en) * | 2011-05-02 | 2012-11-08 | Schaeffler Technologies AG & Co. KG | Cooling jacket and deflection unit for cooling jackets |
| WO2012159790A1 (en) * | 2011-05-26 | 2012-11-29 | Zf Friedrichshafen Ag | Cooling arrangement for an electric machine |
| CN103023254A (en) * | 2012-12-14 | 2013-04-03 | 中船重工电机科技股份有限公司 | External exciter of generator with independent cooling system |
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| CN1651719A (en) * | 2004-02-03 | 2005-08-10 | 中铁隧道集团有限公司 | Device capable of regulating open ratio in shield driving machine |
| CN2742659Y (en) * | 2004-11-12 | 2005-11-23 | 西北工业大学 | Motor stator shell with double screw cooling oil path |
| CN101562366A (en) * | 2009-05-06 | 2009-10-21 | 北京超同步科技有限公司 | Water-cooled motor |
| CN201341052Y (en) * | 2009-01-22 | 2009-11-04 | 大连天元电机有限公司 | Simple and convenient pulling motor water-cooling mechanism |
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2010
- 2010-08-06 CN CN2010102521039A patent/CN101924414A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651719A (en) * | 2004-02-03 | 2005-08-10 | 中铁隧道集团有限公司 | Device capable of regulating open ratio in shield driving machine |
| CN2742659Y (en) * | 2004-11-12 | 2005-11-23 | 西北工业大学 | Motor stator shell with double screw cooling oil path |
| CN201341052Y (en) * | 2009-01-22 | 2009-11-04 | 大连天元电机有限公司 | Simple and convenient pulling motor water-cooling mechanism |
| CN101562366A (en) * | 2009-05-06 | 2009-10-21 | 北京超同步科技有限公司 | Water-cooled motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012150046A1 (en) * | 2011-05-02 | 2012-11-08 | Schaeffler Technologies AG & Co. KG | Cooling jacket and deflection unit for cooling jackets |
| CN103609003A (en) * | 2011-05-02 | 2014-02-26 | 舍弗勒技术股份两合公司 | Cooling jacket and deflection unit for cooling jackets |
| CN103609003B (en) * | 2011-05-02 | 2016-11-23 | 舍弗勒技术股份两合公司 | Cool down shell and for cooling down the deflection unit of shell |
| US9647510B2 (en) | 2011-05-02 | 2017-05-09 | Schaeffler Technologies AG & Co. KG | Cooling jacket and deflection unit for cooling jackets |
| WO2012159790A1 (en) * | 2011-05-26 | 2012-11-29 | Zf Friedrichshafen Ag | Cooling arrangement for an electric machine |
| CN103023254A (en) * | 2012-12-14 | 2013-04-03 | 中船重工电机科技股份有限公司 | External exciter of generator with independent cooling system |
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Application publication date: 20101222 |