WO2007015554A1 - 建設機械のドラム回転装置 - Google Patents
建設機械のドラム回転装置 Download PDFInfo
- Publication number
- WO2007015554A1 WO2007015554A1 PCT/JP2006/315442 JP2006315442W WO2007015554A1 WO 2007015554 A1 WO2007015554 A1 WO 2007015554A1 JP 2006315442 W JP2006315442 W JP 2006315442W WO 2007015554 A1 WO2007015554 A1 WO 2007015554A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support member
- axial direction
- drum
- electric motor
- dry
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/12—Arrangement, location, or adaptation of driving sprockets
- B62D55/125—Final drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/02—Travelling-gear, e.g. associated with slewing gears
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
- H02K7/1021—Magnetically influenced friction brakes
- H02K7/1023—Magnetically influenced friction brakes using electromagnets
- H02K7/1025—Magnetically influenced friction brakes using electromagnets using axial electromagnets with generally annular air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/40—Working vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
- F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the present invention relates to, for example, a traveling apparatus such as a hydraulic shovel and a hydraulic crane, and a drum rotating apparatus for a construction machine which is suitably used for a rope winch and the like.
- the traveling device has a drum with a spittoon that slides the shoes attached, and a drum rotation device that rotates a ram with a wheel attached. Also, it is used for hydraulic cleaning etc.
- the mounted rope winch is equipped with a drum rotation device that rotates an F-ram that winds up and unwinds the rope (for example, Japanese Patent Laid-Open Publication No. 2. 0 0 0-9 0 1 7) Kouhei 1 1 5 3 8 4 0 JP 6 0 —
- the drum rotation device used in the technique is a hydraulic motor that serves as a drive source, and an inner circumference side of the F-ram.
- the rotational speed of the hydraulic motor is reduced to transmit to the ram and the ram.
- Speed reduction mechanism a connecting shaft that connects between the output shaft of the hydraulic motor and the speed reduction mechanism, and 3 ⁇ 4.
- this rotation of the ram is performed by using the speed reduction mechanism for the rotation of the hydraulic motor.
- Hydraulic motor A negative-type wet multi-disc brake is provided to release the braking on the connecting shaft when the evening is rotating. And, this wet multi-disc brake is arranged on the inner circumference side of the drum together with the reduction gear mechanism in a compact box to miniaturize the entire drum rotation device.
- the hydraulic motor used in the above-described prior art drum rotation device rotates the output shaft by supplying and discharging pressure oil from a hydraulic pump driven by the engine. . Therefore, when the drum rotation system is activated, the exhaust gas discharged from the engine contaminates the surrounding environment, and the noise generated when the engine is activated reduces the working environment. Problem of getting
- drum rotation devices using electric motors it is preferable to use a negative dry electromagnetic brake instead of a wet multi-plate brake in order to effectively use a power source such as a battery pack.
- One of the problems is that it is difficult to arrange a negative dry type electromagnetic brake in a compact on the inner side of the drum in a state of being isolated from the flammable lubricating oil. . Disclosure of the invention
- the present invention has been made in view of the above-mentioned problems of the prior art, so that a negative dry electromagnetic brake can be accommodated in a compact on the inner circumferential side of the drum while being isolated from the lubricating oil. Aims to provide a drum rotating device for construction machines
- the drum rotation device of the construction machine is formed in a cylindrical shape in which one side in the axial direction is open and the other side in the axial direction is closed as a lid.
- An electric motor is formed into a tubular shape in which one side in the axial direction is open and the other side is closed in the axial direction, and one side in the axial direction is rotatably supported on the outer periphery of the support member via a bearing.
- the support member It is provided to extend in the axial direction in the inside.
- the other side in the axial direction is rotatably supported by the lid portion of the support member and is connected to the output shaft of the evening, and a connecting shaft connected to the speed reduction mechanism, and housed in the support member,
- a negative dry electromagnetic brake that applies braking to the connecting shaft when the electric motor is stopped and releases braking to the connecting shaft when the electric motor is rotating;
- the first seal member seals the space between the support member and the opening at the one side end of the drum, and the space between the cover portion of the support member and the connecting shaft It can be sealed by a second seal member, which separates the negative dry electromagnetic brake housed in the support member from the lubricating oil in the drum. Therefore, the dry electromagnetic brake can be used to brake the joint when the electric motor is stopped and to release the braking for the joint when the electric motor is rotating.
- the dry electromagnetic brake can be compactly contained in the supporting member to which the motorized motor and the reduction mechanism are attached, while being separated from the lubricating oil, so the dry magnetic brake is provided. It is possible to reduce the overall size of the drum rotation system.
- the present invention is characterized in that two of the dry electromagnetic brakes are provided so as to be separated in the axial direction of the connecting shaft.
- the two dry electromagnetic brakes extend from the opening on one side in the axial direction toward the lid in the support member. It is characterized by being incorporated in the same direction.
- the two dry electromagnetic brakes can be assembled in the same direction from the opening on the axial direction side of the support member toward the lid, and can be mounted in the support member. Can. This can enhance the workability when attaching the dry electromagnetic brake to the support member.
- the coupling shaft is connected to the output shaft of the electric motor in the axial direction, and the cover portion is provided on the outer peripheral surface.
- the 'input shaft' the axial side of which is connected to the force coupling and the other side of the axial direction is connected to the reduction mechanism.
- the dry electromagnetic brake is mounted on the spine portion of the recording force. The force plate, the rotating plate and the rotating plate move in the axial direction of the force plate, and the non-rotating plate and the friction plate are frictionally engaged with the plate. Therefore, the present invention is characterized by the two equipped with a coil for releasing the frictional engagement between the non-rotating plate and the front S-rotating plate.
- the dry magnetic brake in the support member, may be connected to the upper and lower portions in the state where the support member is attached to the airframe.
- the connector housing includes a connector for connecting internal wiring connected to the dry electromagnetic brake to external wiring. It is characterized by containing.
- the airframe is a track frame which constitutes a lower traveling body of a tracked vehicle, and a sprocket which is engaged with a crawler belt is fixed to the outer circumferential side of the drum.
- the electric motor and the reduction gear mechanism are characterized in that they are accommodated within the width of the belly ff.
- the drum rotation device when the drum rotation device is applied to a traveling device of a tracked vehicle, it is possible to suppress the electric motor and the reduction gear mechanism from protruding outward from the crawler belt. As a result, even when a tracked vehicle travels on uneven terrain etc., the motorized motor and reduction gear mechanism can be protected from obstacles such as rocks, and the reliability of the traveling equipment S is enhanced. be able to.
- FIG. 1 is a front view showing a hydraulic shovel in which the drum rotation device according to the first embodiment is applied to a traveling device.
- Figure 2 is an external view showing the hydraulic shovel's truck frame, traveling equipment, and so on. '
- FIG. 3 is a cross-sectional view showing the traveling device in FIG.
- FIG. 4 is an enlarged cross-sectional view showing the main parts of the support member, the electric motor, the planetary gear reduction mechanism, the dry electromagnetic brake, etc. in an enlarged manner.
- FIG. 5 is a cross-sectional view showing a state where the dry electromagnetic brake applies a braking force to the output shaft.
- Figure 6 shows that the dry electromagnetic brake brakes the output shaft. It is sectional drawing which shows the state cancelled
- FIG. 7 is an enlarged sectional view similar to FIG. 4 showing a traveling device to which the drum rotation device according to the second embodiment of the present invention is applied.
- FIG. 8 is a cross-sectional view similar to FIG. 5 showing the main part of a third embodiment of the present invention.
- FIGS. 1 to 8 an embodiment of a drum rotating device for a construction machine according to the present invention will be described in detail with reference to FIGS. 1 to 8 by taking as an example a case where it is applied to a traveling device for an electric hydraulic shovel. .
- FIGS. 1 to 6 show the form of the first embodiment of the present invention.
- 1 is a motorized hydraulic shovel
- a motorized hydraulic shovel 1 is a self-propelled undercarriage
- the undercarriage 2 has a track frame 3 composed of a sensor frame 3 A and left and right side frames 3 B, and the h rack frame 3 is The airframe of the hydraulic excavator 1 according to the present embodiment is provided. And the side edge of each side 3-
- each side frame 3 B is provided, and a shield 5 and a slider 5 are provided on the front end side of each side frame 3 B.
- the track 5 is covered with a track 6 that forms an endless track. Also, as shown in Figure 1 and Figure 3, the side frame 3
- a bracket 3 C for attaching a support member 12 described later is protrusively provided, and on the outer peripheral side of the bracket 3 C, a motor cover 14 described later is covered. Takaper 3D It is provided.
- Reference numeral 7 denotes an upper revolving superstructure provided on the lower traveling vehicle 2.
- the upper revolving superstructure 7 is roughly constituted by a building 8 and a cap 9.
- the building 8 is provided with a swing frame 8 A turnably mounted on the rack frame 3, and the swing frame 8 A, and a battery, an electric motor, a hydraulic pressure pump, etc. It is roughly composed of a building cover 8 B that accommodates the hydraulic oil tank etc (not shown).
- the cab 9 is provided on the front left side of the turning frame 8 A to define the driver's cab.
- This working device 10 is a working device provided on the front side of the upper swing body 7 so as to be able to move up and down.
- This working device 10 has a boom 1 0 A, which is 'pinned' to the pivoting frame 8 A at its proximal end, the said boom
- Arm 1 0 B pinned to the end of 1 0 A, packet 1 0 C pinned to the end of the arm 1 0.
- the hydraulic pump (not shown) housed in the building cover 1 8 B to 1 0 F supplies or discharges the pressure oil, so that the earth and sand is excavated by the working device 1 0 Configured to do work
- the traveling device 1 1 shows a traveling device of the lower traveling body 2 applied as a representative example of the drum rotating device according to the present embodiment.
- the traveling device 1 1 includes a support member 1 2, an electric motor 1 4, a gear, a ram 1 5, an idle gear reduction mechanism 2 1, a dry electromagnetic brake as described later. 3 0 class It is made.
- Reference numeral 12 denotes a support member fixed to the side frame 3 B of the rack frame 3 serving as the airframe.
- the support member 1 2 has an axially extending cylindrical portion 12 A, and one side of the cylindrical portion 12 A in the axial direction is an opening 1 2 B, the opening 1 2 B An annular flange around the circumference
- the flange portion 1 2 C of the support member 1 2 has a bracket 3 C protruding from the rear end side of the side frame 3 side.
- the other side of the cylindrical portion 12 A fixed in the axial direction is closed with a lid 12 D, and a central portion of the lid 12 1 D has an input shaft 28 described later.
- a brake accommodating portion 12 F which accommodates a dry electromagnetic brake 3 '0 described later. Also, with the support member 1 2 attached to the track frame 3, a connector which accommodates a connector 4 1 described later is provided on the upper and lower portions of the dry electromagnetic brake 30.
- a storage unit 12 G is provided.
- a spline portion 1 2 H to which a carrier 2 5 C of a planetary gear reduction mechanism 2 1 described later is engaged is formed on the outer fan surface on the other axial direction side of the cylindrical portion 1 2 A. There is.
- Denoted at 14 is an electric motor for traveling mounted at the side of the opening 12 B which is one side of the support member 12 in the axial direction.
- the electric motor 14 is rotatably supported by the motor housing 14 A, and an output shaft 14 B axially extending in the support member 12, and the output shaft 14 B One on the outer peripheral side of the shaft 14 B It consists of an AC motorized motor with physically arranged mouth 4 C and set 4 D arranged on the outer circumference side of 14 C.
- the motorized motor 1 is supplied (powered) with the power converted into alternating current through a battery pack (not shown) housed in the building hippo 8 B.
- a battery pack not shown housed in the building hippo 8 B.
- motor casing 1 4 A upper end end end The box 1.4 E is mounted, and the terminal box 1 E including the movement motor 14 is outside the cylinder circumference and 47
- the numeral 15 indicates a drum provided with teeth on the circumferential side of the support member 12 and a drum capable of rolling and rotating. As shown in FIG. 4 and as shown in FIG. Dora is one of five Direction side is opening
- a cylindrical ring gear 1 mounted on the other side in the axial direction of the cylindrical body 16 and having an inner A formed on the inner side, Ya 1 7 axial direction countercurrent other side is configured Ri by the and ⁇ present 8 of disc shape closing liquid-tightly 'are 0'
- a plurality of bearings 19 are provided between the opening 16A of the cylindrical body 16 and the cylindrical portion 12A of the support member 12 and the drum 15 is provided with these bearings 1 9 Support member through
- annular flange 16 B is provided around the opening 16 A of the cylindrical body 1 ′ 6, and a plurality of bolts 20 are used in the flange 16 B to form a sprocket 4. It is fixed.
- the planetary gear reduction gear 2 1 is a star gear reduction mechanism housed in a drum 1 5, and the planetary gear reduction gear 2 1 is an output shaft of an electric motor 1 4 4 m speed of rotation of B is transmitted to the drum 1 5 and the drum 1
- the planetary gear reduction mechanism 2 1 is configured by a three-stage planetary gear mechanism 2 3, 2 4, 2 5 described later, and is held in the H ram 15.
- the planetary gear reduction mechanism 2 1 is a lubricant that is immersed in the lubricating oil 2 2
- the structure is always lubricated by 2 2 and operates smoothly over a long period of time.
- the planetary gear mechanism 2 3 is a sun gear 2 3 B in which a shaft portion 2 3 A axially extending in the ring gear 1 7 is formed;
- the sun gear 2 3 B and the ring gear 1 7 inner car 1 7 A are combined with the sun gear 2 3
- 2 4 is a planetary gear mechanism of the second stage, and the planetary gear mechanism 2 4 is a thick gear 24 A which is spline-connected to the first stage gear U 3 A and the sun gear: car 2 4 A and the internal gear 1 7 A of the rear gear 1 7 ⁇ O and the sun gear 2 4 A multiple planetary gears 2 4 B that rotate around the circumference of the 4 A, and each of the planets gear
- Reference numeral 25 is a three-stage huge planetary gear mechanism which is the final stage, and the planetary gear mechanism 25 is a sun gear 25 A spliced to a two-stage S gear 24 C and the sun gear 25 A 2 5 A and multiple internal gears 1 7 A's internal gear 1 7 A
- the carrier 2 5 C is the other axial direction of the support member 1 2 It is fixed in the rotational direction with respect to the support member 1 2 by being fitted to the spline portion 1 2 H formed on the outer peripheral surface of the
- the second stage planetary gear mechanism 2 5 is each planetary gear
- the star gear reduction mechanism 2 1 is an electric motor as shown in o, which is configured to transmit only the rotation of 2 5 B to the drum 1 5.
- Reference numeral 2 6 denotes a connecting shaft which is provided so as to extend in the axial direction in the support member 1 2, and the connecting shaft 6 is an electric motor 1's output shaft 1
- 2 7 is a cylindrical cup whose axial side is 3 ⁇ 4 a to the output shaft 14 B of the motorized motor 4, and
- a male spline 2 7 A is formed on the outer peripheral surface of 2 7, and an output shaft 14 B of a movable motor 1 4 is formed on the inner peripheral surface on the axial side of the clamping 2 7.
- the male spline 2 7 A of the force coupling 2 7 is spline-coupled, and has a configuration in which a rotary plate 3 6 of the dry electromagnetic brake 30 described later is engaged.
- Reference numeral 2 8 denotes an input shaft having an axial side with a spout Z formed on the inner circumferential surface of the force ring 2 7.
- the other side of the input shaft 2 8 in the axial direction is the cover of the support member 1 2.
- Shaft insertion hole formed in 1 2 D 1 2 E is penetrated.
- Support with input shaft 2 8 here A plurality of bearings 2 9 are provided between the shaft 1 and the through hole 1 2 E of the member 1 2, and the input shaft 2 8 can be rotated to the lid 1 2 D of the support member 1 2 through the bearings 2 9. It is supported by And, on the other axial side of the input shaft 2 8, a shaft portion 2 3 A integrally formed with a sun gear 2 3 B constituting the first stage planetary gear mechanism 2 3 is spline-connected.
- Reference numerals 3 0 and 3 0 denote two dry electromagnetic brakes axially spaced apart in the support member 1 2. These dry electromagnetic brakes 30 function as parking brakes (negative brakes) for hydraulic shovel 1. That is, each dry type electromagnetic brake 30 applies a braking force to the output 3 ⁇ 41
- each dry electromagnetic brake 30 is positioned on the outer peripheral side of the clamping 2 7 and housed in the brake housing portion 1 2 F of the support member 1 2 '.
- yoke member 3 1 fixed plate 3 3
- rotating plate 3 '6 non rotating plate 3
- the yoke member 31 1 ' is a yoke member which is a base of dry electromagnetic brake 30.
- the yoke member 31 is made of, for example, a magnetic material, and an axial through hole 31 A is formed in the center. It is formed in a thick disc shape.
- 12 F it is incorporated in the same direction from the opening 12 '2 B to the lid 12 D and is fixed using a plurality of ports 32 (only one is shown).
- the force coupling 2 7 of the connecting shaft 2 6 is inserted in the shaft hole 3 1 A of the 3rd gear member 31 with a gap.
- an annular recessed portion 31 B concentric with the through hole 31 A is formed in the hollow member 3 1, and an electromagnetic coil 3 9 described later is formed in the recessed portion 3 1 B. It is housed.
- a plurality of bottomed holes 31 C (only one is shown) extending in the axial direction is bored in the yoke member 31, and the below-described fillet spring 3 8 is formed in the bottomed hole 31 C. Is held
- Reference numeral 3 3 denotes a fixing plate fixed to a three-fork member 31.
- the fixing plate 3 3 is formed in a hollow disk shape, and a force coupling 2 7 is formed on the inner and outer sides thereof. It is passed.
- the fixing plate 33 is fixed to the three-way member 31 using a plurality of circumferentially spaced ports 34 and a cylindrical guide 35 (only one is shown). In the case of, each port 3 4 is a guide
- the fixing plate 3 3 is fixed to the yoke member 3 1 by screwing the distal end side to the yoke member 3.
- a rotating plate 3 ′ 6 is coupled to the male spline 2 7 A of the coupling 2 7, and the rotating plate 3 6 is disposed between the yoke member 3 1 and the fixed plate 3 3.
- the rotary plate 3 6 is formed in the shape of a hollow disk, and on the inner circumferential side of the female spur plate.
- the non-rotating plate 3 7 is a non-rotating plate provided between the yoke member 3 1 and the fixed plate 3 3 and provided so as to be movable in the D-axis direction.
- the non-rotating plate 3 7 is a hollow circle. It is formed in a plate shape, and a force ring 2 7 is inserted in the inner peripheral side of the plate 3.
- the non-rotation plate 3 7 sandwiches the rotation plate 3 6 with the fixed plate 3 3
- the non-rotating plate 3 7 has its outer periphery As the guide 35 is passed through to the side,
- the coil spring 3 8 always presses the non-rotating plate 3 7 toward the fixed plate 3 3 by a coil spring provided in C (only one is shown). And e
- An electromagnetic coil 3 9 is housed in the recessed portion 31 B of the connecting member 3 1.
- the electromagnetic coil 3 9 is, for example, an electric motor.
- Support member 1 positioned between 4 and planetary gear reduction mechanism 2 1
- the electric motor 14 and the planetary gear reduction mechanism 2 1 can be accommodated within the width S (track width) dimension S of the crawler belt 6.
- the connector 4 1 is a connector housed in the connector housing portion 1 2 G of the support member 1 2.
- the connector 4 1 includes a brake side socket 4 1 A and a power source side socket V 4 1 B I'm getting lost.
- the bracket side socket 4 1 A is attached to the tip of the internal wiring 4 2 connected to the electromagnetic coil 3 9.
- the power supply side socket 4 1 B is attached to the tip of the external wiring 4 3 connected to the power supply (not shown). Then, the connector 4 1 connects the electromagnetic coil 3 9 of the dry electromagnetic brake 30 to the source by connecting the brake side socket 4 1 A with the power source side socket 4 1 B. It is a thing
- the connector housing 12 G of the support member 12 is provided at a position above and below the dry electromagnetic brake 30. Therefore, it is assumed that rainwater etc. infiltrated into the support member 12 from the mounting position of the support member 12 and the electric motor 14 by housing the connector 4 1 in the connector housing portion 1 2.G. Also, it is possible to suppress the attachment of rainwater etc. to connector 4 1.
- the floating system 4 4 has an opening as shown in Fig. 4 etc.
- the 4 5 is a seal ring of a U-shaped cross section as a second seal member for sealing between the lid 12 D of the support member 12 and the connecting shaft 2 6 in a fluid tight manner.
- the ring 4 5 has a lid
- 1 2 D is provided between the through hole 1 2 E formed in the 2 D and the input shaft 2 8 of the connecting shaft 2 6 and sealing
- the travel device 1 1 of the hydraulic shovel 1 has the above-described configuration, and the operation thereof will be described below.
- each of the dry type electromagnetic brakes 30 for the electromagnetic coils 3 9 When power is not supplied, as shown in Figure 5, a non-rotating plate is used.
- the braking force can be applied to the output shaft 14 B of the motion motor 14 connected via 2 7, and it is operated as a hydraulic brake of 1 bell bell 1 (negative brake) be able to.
- Frictional engagement between 7 and the rotary plate 3 6 is released and the electric motor 1
- the output shaft 14 B of the electric motor 1. 4 rotates and the rotation of the output shaft 14 4 B is reduced by three stages by the planetary gear reduction mechanism 2 1 to the drum 15. It is transmitted.
- the sprocket h 4 fixed to the cylinder 1 6 of the drum 1 5 rotates integrally with the ram 1 5 with a large torque.
- Footwear coupled with the rocket 4 travels in a circular motion between the belt 6 and the filer 5 so that the hydraulic shovel 1 travels.
- a fluid-tight seal is provided between the support member 12 and the opening 16 A of the drum 15 (cylinder 16) by means of the floating seal 4 • 4.
- the two dry magnetic plates 30 By means of a sealing ring 4 5 between the (input shaft 2 8) and the (1), the two dry magnetic plates 30. It can be housed in the support member 1 2 in a state of being isolated from the contained lube oil 2 2. Therefore, using the dry electromagnetic brake 3 0, the electric motor 1-4 can be used. When stopped, the connecting shaft 2 6 can be controlled, and when the motor 14 is rotating, braking on the connecting shaft 2 6 can be released.
- each dry electromagnetic brake 30 is attached inside each of the support members 1 2 to which each dry electromagnetic brake 30 is attached.
- an electric motor 1 4 and a planetary gear reducer 1 are attached inside each of the support members 1 2 to which each dry electromagnetic brake 30 is attached. Because it can be housed in a three-pack, it is possible to miniaturize the entire traveling device 1 1 equipped with a dry electromagnetic brake 30.
- the width of the crawler belt 6 (tracking belt width) dimensions of the motorized motor 14 and the free wheel reduction gear mechanism 2 '1 are shown.
- the reliability of 1 1 can be improved.
- the electric motor 14 in the traveling device 1 for example, to drive the hydraulic pump, as compared with the case of using the hydraulic motor driven and driven by the pressure oil from the hydraulic pressure,
- the engine can be eliminated. Therefore, the exhaust gas caused by the engine when the hydraulic shovel 1 is traveling, i3 ⁇ 4s.
- two dry electromagnetic brakes 3 0 are provided so as to be spaced apart in the vertical direction in the brake storage portion 1 2 F of the support member 1 2.
- a large braking force can be applied by two dry electromagnetic brakes, and the hydraulic shovel 1 can be reliably stopped (parked).
- the durability of the dry electromagnetic brake 30 can be enhanced, and the reliability of the traveling device 11 can be enhanced.
- the two dry electromagnetic brakes 3 0 are fixed to the support member 1 2 respectively, in a state where each type of electromagnetic brake 3 0 is incorporated in advance in the support member 1 2, the support member 1 1
- the electric motor 14 can be attached to 2 and the workability at the time of assembly can be improved.
- the two dry electromagnetic brakes 30 are respectively assembled in the same direction from the opening 12 B to the lid 12 D in the brake housing 12 F of the support member 12 It is fixed using port 3 2 of.
- the assembling directions of the dry electromagnetic brakes 30 can be made common, and the workability when assembling the dry electromagnetic brakes 30 to the support member 12 can be enhanced. it can.
- the input shaft 2 8 and the output shaft 1 4 B of the electric motor 1 4 can be easily coupled by force coupling 2 7 It can be connected to improve its workability.
- a connector housing 12 G is provided at a position above the dry electromagnetic brake 3 0. And, in the connector housing 12 G, a connector 4 for connecting the internal wiring 4 2 in contact with the electromagnetic coil 3 9 of the dry electromagnetic pre-charge 30 and the external wiring 4 3 for feeding in the dry electromagnetic pre-charge 30.
- FIG. 7 shows the second embodiment of the present invention, and the feature of this embodiment is that one of the two electromagnetic 5 brakes provided in the support member is attached to the support member, and the other is Mounted on an electric motorized motor.
- the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.
- 5 1 denotes a traveling device in which the drum rotation device according to the present embodiment is used, and the traveling device 5 1 is substantially the same as the traveling device 1 1 according to the first embodiment described above.
- the dry electromagnetic brake 5 2 is a dry electromagnetic brake provided on the support member 1 2 20 together with the dry electromagnetic brake 30 1 2 F.
- the dry electromagnetic brake 5 2 is the same as the dry electromagnetic brake 3 0.
- a plurality of ports 5 3 are fixed to the fixed plate 3 3, the guide 3 5, and the yoke member 3 1, and each port 5 3 is a motor motor 14 4
- the dry electromagnetic brake 5 2 is fixedly provided in the support member 1 2 by screwing it to the first take-up piece 1 4 A.
- the traveling device 5 1 according to the present embodiment has the above-described configuration, and the operation thereof is not particularly different from that according to the above-described first embodiment.
- one of the two dry electromagnetic brakes 30 and 52 installed in the support member 12 is attached to the support member 12 and the other dry electromagnetic brake 30 is attached to the support member 12. Since the electromagnetic brake 52 is configured to be attached to the motor casing 14 of the motorized motor 14, it is possible to form a large space 54 between the dry electromagnetic brakes 30 and 52.
- FIG. 8 shows a third embodiment of the present invention.
- the feature of the third embodiment is that the connecting shaft connecting between the output shaft of the turtle moving gear and the speed reduction mechanism is It consists of a single piece.
- the same components as those of the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.
- reference numeral 61 denotes a connecting shaft which is provided so as to extend in the axial direction in the support member 12.
- the connecting shaft 61 is an output shaft of an electric motor 14. B and a planet, # car It is connected to the reduction mechanism 2 1.
- the connecting shaft 61 is configured as a single member in which the axial side is the force coupling portion 61 A and the other axial side is the input shaft portion 61 B.
- the coupling portion 61 A is connected to the output shaft 14 B of the electric motor 14, and the rotary plate 36 of the dry electromagnetic brake 30 is engaged with the outer peripheral surface of the coupling portion 61 A.
- a male spline 6 1 C is formed.
- the input shaft portion 61 B is spline-connected to the shaft portion 2 3 A of the first stage planetary gear mechanism, and the cover portion 1 of the support member 1 2 via the bearing 2 9. It is rotatably supported by 2D.
- the present embodiment is provided with the connecting shaft 61 in which the above-described cutting part 61A and the input shaft part 61B are integrally formed. Therefore, the other configuration is the same as that of the first embodiment. Identical with
- the present invention is not limited to this, and may be configured to use, for example, a planetary gear reduction mechanism provided with one reduction gear, two reduction gears, or four or more reduction gears.
- the traveling device 1 1 of the hydraulic shovel 1 is described as an example of the ram rotation device.
- the present invention is not limited to this, and can be applied to, for example, a mouth winch device mounted on a hydraulic grade.
- the de, rum may be configured as a winding drum for winding the rope around its periphery.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Braking Arrangements (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007529542A JP4527778B2 (ja) | 2005-08-01 | 2006-07-28 | 建設機械のドラム回転装置 |
US11/910,808 US20090078528A1 (en) | 2005-08-01 | 2006-07-28 | Drum rotating apparatus for use on construction machines |
DE602006019738T DE602006019738D1 (de) | 2005-08-01 | 2006-07-28 | Trommeldrehvorrichtung für eine Baumaschine |
EP06782302A EP1914154B1 (en) | 2005-08-01 | 2006-07-28 | Drum rotation device for construction machine |
KR1020077022399A KR101280667B1 (ko) | 2005-08-01 | 2006-07-28 | 건설 기계의 드럼 회전 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005223163 | 2005-08-01 | ||
JP2005-223163 | 2005-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007015554A1 true WO2007015554A1 (ja) | 2007-02-08 |
Family
ID=37708833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/315442 WO2007015554A1 (ja) | 2005-08-01 | 2006-07-28 | 建設機械のドラム回転装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090078528A1 (ja) |
EP (1) | EP1914154B1 (ja) |
JP (1) | JP4527778B2 (ja) |
KR (1) | KR101280667B1 (ja) |
CN (1) | CN100558592C (ja) |
DE (1) | DE602006019738D1 (ja) |
WO (1) | WO2007015554A1 (ja) |
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JP2016500599A (ja) * | 2012-10-18 | 2016-01-14 | タレス | ドラム周囲へのケーブル巻き取り/巻き出し装置 |
WO2019150669A1 (ja) * | 2018-01-31 | 2019-08-08 | 株式会社小松製作所 | 回転駆動システム及び油圧ショベル |
WO2024085189A1 (ja) * | 2022-10-21 | 2024-04-25 | 株式会社クボタ | 作業車 |
WO2024085179A1 (ja) * | 2022-10-21 | 2024-04-25 | 株式会社クボタ | 作業車 |
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CN109109650A (zh) * | 2018-09-28 | 2019-01-01 | 武汉轻工大学 | 防泥水的轮辋驱动装置及汽车 |
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- 2006-07-28 KR KR1020077022399A patent/KR101280667B1/ko not_active IP Right Cessation
- 2006-07-28 US US11/910,808 patent/US20090078528A1/en not_active Abandoned
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- 2006-07-28 WO PCT/JP2006/315442 patent/WO2007015554A1/ja active Application Filing
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WO2019150669A1 (ja) * | 2018-01-31 | 2019-08-08 | 株式会社小松製作所 | 回転駆動システム及び油圧ショベル |
WO2024085189A1 (ja) * | 2022-10-21 | 2024-04-25 | 株式会社クボタ | 作業車 |
WO2024085179A1 (ja) * | 2022-10-21 | 2024-04-25 | 株式会社クボタ | 作業車 |
Also Published As
Publication number | Publication date |
---|---|
EP1914154A1 (en) | 2008-04-23 |
EP1914154A4 (en) | 2009-01-14 |
CN101175663A (zh) | 2008-05-07 |
EP1914154B1 (en) | 2011-01-19 |
JP4527778B2 (ja) | 2010-08-18 |
US20090078528A1 (en) | 2009-03-26 |
KR20080034090A (ko) | 2008-04-18 |
KR101280667B1 (ko) | 2013-07-01 |
JPWO2007015554A1 (ja) | 2009-02-19 |
DE602006019738D1 (de) | 2011-03-03 |
CN100558592C (zh) | 2009-11-11 |
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