CN106553950B - Traction machine and elevator - Google Patents
Traction machine and elevator Download PDFInfo
- Publication number
- CN106553950B CN106553950B CN201610633091.1A CN201610633091A CN106553950B CN 106553950 B CN106553950 B CN 106553950B CN 201610633091 A CN201610633091 A CN 201610633091A CN 106553950 B CN106553950 B CN 106553950B
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- China
- Prior art keywords
- lid
- rope sheave
- main shaft
- rotor block
- sealing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides the traction machine and elevator for being able to achieve the simplification that cooling mechanism is carried out to rotation detector, traction machine (10) includes the casing (2) for being provided with stator (7), main shaft (3), rotor block (4), rope sheave (5), rotation detector (9), lid (41) and sealing plate (42), rotation detector (9) is arranged in incorporating section (31), detect the rotation of rotor block (4) and rope sheave (5), and there is the axle portion (9b) rotated together with rotor block (4) and rope sheave (5), lid (41) is fixed on axle portion (9b), cover the opening of the through hole (21a) of rope sheave (5) or rotor block (4) and the opening of bore (3a), and it is rotated together with rope sheave (5) and rotor block (4).Sealing plate (42) is fixed on lid (41), and covers the opening portion (41a) for being formed in lid (41), is formed with the venthole (42b) and fin (42a) that air passes through.
Description
Technical field
The present invention relates to so that carriage is carried out the traction machine of lifting action and with the elevator of the traction machine.
Background technique
All the time, elevator includes the hoist cable of carriage, counterweight, connection carriage and counterweight and the traction machine for winding the hoist cable.
Traction machine has main shaft, the rope sheave that can be rotated to support on main shaft and be used to wind hoist cable and the rotor block connecting with rope sheave.This
Outside, traction machine has the rotation detector of the rotation speed of detection rotor block.
In recent years, in the miniaturization and slimming for pursuing traction machine.But if traction machine is miniaturized and is thinned,
Then it can accumulate heat in traction machine, the heat dissipation performance for constituting the motor of traction machine reduces.As a result, there are the temperature of motor
Rise and increases, leads to the problem of unfavorable condition in rotation detector.
In order to solve the problems, for example, disclose in patent document 1 record as technology.In patent document 1
In, record following traction machine, that is, the traction machine has the casing for being provided with stator, is arranged in the position opposite with stator
There is the rotating frame of permanent magnet and the rope sheave of rotating frame, the main shaft supporting that rotating frame is connect via bearing with casing are set.
In the record of the patent document 1, main shaft is the hollow shape that be connected to the other end of one end, with casing
It stores the storage space of the encoder detected to the rotation of rotating frame and is connected to storage sky from another side in connection end side
Between through hole.In addition, it is connected with the one end of encoder axis being accommodated in storage space and being fixed on the encoder of casing, it should
The another side of encoder axis is arranged to rotate together with rotating frame, from the another side of main shaft insertion through hole.Moreover,
In storage space, encoder axis is provided with blade, is provided in encoder axis from the another side of encoder axis and is connected to receipts
The ventilation hole received in space.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-218859 bulletin
Summary of the invention
Problems to be solved by the invention
But in technology described in Patent Document 1, due to empty as the storage of the encoder of rotation detector in storage
Between be provided with blade, so needing to form storage space larger.In turn, to the encoder progress as rotation detector
When maintenance, there are problems that configuration the blade of storage space become in the way, the workability of upkeep operation reduce.In turn, special
In the technology that sharp document 1 is recorded, need to form ventilation hole and blade in encoder axis, the mechanism of cooling rotation detector becomes multiple
It is miscellaneous.
It is an object of the present invention to consider above-mentioned problem, providing, which can be realized, carries out cooling to rotation detector
The traction machine and elevator of the raising of the workability of the simplification and upkeep operation of mechanism.
Technical teaching for solving the problem was
To solve the above-mentioned problems, reach the purpose of the present invention, traction machine of the invention is can to wind to link with carriage
Hoist cable traction machine.Traction machine include the casing for being provided with stator, main shaft, rotor block, rope sheave, rotation detector, lid and
Sealing plate.
Main shaft is mounted on casing, have along axially through bore and bore formed incorporating section.Rotor block is rotatable
Ground has the magnet opposite with stator by main shaft supporting.Rope sheave is arranged in rotor block, for winding hoist cable.Rotation detector is set
It sets in the incorporating section of main shaft, detects the rotation of rotor block and rope sheave, and there is the axle portion rotated together with rotor block and rope sheave.
Lid is fixed on axle portion, the opening of through hole and opening for bore for being inserted into main shaft for covering rope sheave or being inserted into rotor block
Mouthful, and rotated together with rope sheave and rotor block.Sealing plate is fixed on lid, and covers the opening portion for being formed in lid, is formed
There is the venthole and fin passed through for air.
In addition, elevator of the invention includes the carriage gone up and down in hoistway, via the counterweight of hoist cable and carriage connection
With the traction machine for going up and down carriage by winding hoist cable.In addition, traction machine uses above-mentioned traction machine.
The effect of invention
Traction machine and elevator according to the present invention can be realized the simplification and dimension that cooling mechanism is carried out to rotation detector
Protect the raising of the workability of operation.
Detailed description of the invention
Fig. 1 is the schematic structural diagram for showing schematically the elevator of embodiments of the present invention example.
Fig. 2 is the plan view for indicating the elevator of embodiments of the present invention example.
Fig. 3 is the sectional view for indicating the traction machine of embodiments of the present invention example.
Fig. 4 is the sectional view for indicating the major part of traction machine of embodiments of the present invention example.
Fig. 5 is the plan view for indicating the lid of traction machine of embodiments of the present invention example.
Fig. 6 is the plan view for indicating the lid and sealing plate of the traction machine of embodiments of the present invention example.
The explanation of appended drawing reference
1 elevator, 2 frames, 3 main shafts, 3a bore, 4 rotor blocks, 5 rope sheaves, 6 arrestment mechanisms, 7 stators, 8 interconnecting pieces, 9 rotations
Detector, 9a test section, 9b axle portion, 9c wiring, 10 traction machines, 20 magnet, 21 bearing housings, 21a through hole, 22 bearings, 24 oil
Envelope, 31 incorporating sections, 41 lids, the opening portion 41a, 41b recess portion, 41c connection axle portion, 42 sealing plates, 42a fin, 42b venthole, 100
Hoistway, 110 carriages, 130 counterweights, 140,150 follow-up pulleies, 170 hoist cables
Specific embodiment
Hereinafter, referring to Fig.1~Fig. 6 is illustrated the embodiment example of elevator and traction machine of the invention.In addition, each
Identical appended drawing reference is marked to identical component in figure.
1. the structure of elevator
Firstly, referring to Figures 1 and 2 to the structure of the elevator of embodiments of the present invention example (hereinafter referred to as " this example ") into
Row explanation.
Fig. 1 is the schematic structural diagram for indicating the configuration example of elevator of this example.
The elevator 1 of this example is in the top for the hoistway 100 being formed in building without Machine Room, so-called inorganic
Tool room elevator.As shown in Figure 1, elevator 1 includes the carriage 110 gone up and down in hoistway 100, traction machine 10, counterweight 130, two
A follow-up pulley 140,150 and hoist cable 170.
The lower part of carriage 110 is provided with raising pulley 111.In addition, carriage 110 is by a pair of of carriage (ginseng of guide rail 112
According to Fig. 2) guidance, it is gone up and down in hoistway 100.A pair of of carriage is arranged in hoistway 100 with guide rail 112, along hoistway 100
Up and down direction extends.
Counterweight 130 is provided with counterweight side roller 131.Counterweight 130 is guided by a pair guide rail 122 (referring to Fig. 2) is reused,
It is gone up and down in hoistway 100.Reuse guide rail 122 is arranged in hoistway 100 in a pair as a pair of of carriage guide rail 112,
Up and down direction in hoistway 100 extends.
One end of hoist cable 170 and the other end are fixed on the topmost of hoistway 100.In addition, the first follow-up pulley 140 and second
Follow-up pulley 150 configures the topmost in hoistway 100.Hoist cable 170 from the counterweight side roller 131 of counterweight 130 be inserted into first from
Movable pulley 140, moreover, by traction machine 10, the second follow-up pulley 150, carriage 110 raising pulley 111 sequential volume around.
Traction machine 10 configures the lowest part in hoistway 100.In addition, the aftermentioned rope sheave 5 in traction machine 10 is wound with hoist cable
170.In addition, as shown in Fig. 2, traction machine 10 configures rope sheave 5 110 side of carriage towards the opposite side of the wall surface of hoistway 100.
Moreover, rope sheave 5 rotates by driving traction machine 10, traction machine 10 makes carriage 110 and counterweight 130 with well-bucket side via hoist cable 170
Formula lifting.
2. the structure of traction machine
Then, it is illustrated referring to the traction machine 10 of Fig. 3~6 pair this example.
Fig. 3 is the sectional view for indicating the traction machine 10 of this example.Fig. 4 is section for indicating the major part of the traction machine 10 of this example
Face figure.
As shown in figure 3, traction machine 10 has frame 2, main shaft 3, rotor block 4, rope sheave 5, arrestment mechanism 6 and stator 7.And
And the traction machine 10 of this example is the traction machine in the external-rotor-type of the outside of the radial direction of stator 7 configuration rotor block 4.In addition,
Traction machine 10 has the rotation detector 9 of the rotation speed of detection rotor block 4 and rope sheave 5 and two screens as electro-magnetic shielding cover
Cover component 43a, 43b.
Constitute an axial end side of the configuration of frame 2 in main shaft 3 of casing.Frame 2 has for installing main shaft 3
The linking part 13 of shaft sleeve part 11, the mounting portion 12 for fixed stator 7 and connecting axial sleeve portion 11 and mounting portion 12.In shaft sleeve part 11
An axial end for chimeric main shaft 3.
Circular protrusion 14 is provided in linking part 13.Main shaft 3 from protrusion 14 to linking part 13 the axial other end
Portion side is prominent.It is fixed at the top of axial the other end side of the main shaft 3 of protrusion 14 and connects oil cover 15.Moreover, connecing oily cover
Spatial portion 16 is formed between 15 and linking part 13.Accumulate the grease from leakages such as aftermentioned oil sealings 24 in spatial portion 16.
In addition, being configured with trapped fuel portion 17 near the spatial portion 16 for the lower section for being configured at vertical direction.Spatial portion 16
It is connected to trapped fuel portion 17 by the way that the intercommunicating pore 18 of linking part 13 is arranged in.Then, the grease in inflow space portion 16 passes through intercommunicating pore
18 flow into trapped fuel portion 17.
Mounting portion 12 is provided on the outside of the radial direction of linking part 13.Mounting portion 12 is axial one of main shaft 3
End side occlusion, the other end side opening are shaped generally as cylindric recess portion.In the recess portion of mounting portion 12, it is fixed with by layer
The stator 7 that the stator coil of the rigid plate of electromagnetism made of folded and the rigid plate of electromagnetism for being wound in the stacking is constituted.
In addition, being respectively arranged with arrestment mechanism 6 in the upper and lower part of the up and down direction of frame 2.Arrestment mechanism 6 by with
Aftermentioned rotor block 4 abuts, and brakes to the spinning movement of rotor block 4 and rope sheave 5.
Main shaft 3 is formed as cylindric, has from axial one end and penetrates through to the bore 3a of the other end.In addition, in main shaft 3
Axial the other end is formed with incorporating section 31.Incorporating section 31 by by the axial another side of the bore 3a of main shaft 3 to half
Diameter outside direction is expanded and is formed.Rotation detector 9 is accommodated in incorporating section 31.In addition, the structure of aftermentioned rotation detector 9.
The first shield member 43a is fixed in an axial end for main shaft 3.First shield member 43a is with plugging barrel
The mode of the opening of the axial one end of hole 3a is fixed on main shaft 3.First shield member 43a is made of netted component.The
One shield member 43a has the function of the electromagnetic shielding as shielding electromagnetic wave.In addition, the first shield member 43a is prevented in well
The dust and dust to swim in road 100 enters incorporating section 31 through bore 3a.
There are side, another i.e. axial end of incorporating section 31 in the formation of main shaft 3, is rotatably mounted with rotor block
4 and rope sheave 5.
Rotor block 4 is integrally constituted with rope sheave 5 by interconnecting piece 8.Rotor block 4 is shaped generally as cylindrical shape.4 quilt of rotor block
It is inserted between the stator 7 and arrestment mechanism 6 for the mounting portion 12 for being fixed on frame 2.Then, rotor block 4 is relatively matched with stator 7
It sets.
In addition, the inner wall in the inside of the radial direction of rotor block 4 is fixed with multiple magnet 20.Multiple magnet 20 along turn
Compartment of terrain as defined in the circumferentially spaced of sub-block 4 is fixed.Therefore, multiple magnet 20 and the mounting portion 12 that is fixed on frame 2 are determined
It is opposite that son 7 separates defined compartment of terrain.Multiple magnet 20 alternately configure the pole N and the pole S along the circumferential direction of rotor block 4.In addition, the pole N
The number of magnet 20 and the number of magnet 20 of the pole S be set as identical number.
In addition, the end of the axial another side in the main shaft 3 of rotor block 4, is conjointly provided with interconnecting piece 8.Connection
Inside of the portion 8 from the end of rotor block 4 to radial direction is generally perpendicularly continuously arranged.Moreover, in the radial direction of interconnecting piece 8
Inside be provided with rope sheave 5.
Rope sheave 5 is prominent from the end of interconnecting piece 8 to the direction opposite with rotor block 4.Rope sheave 5 is formed as cylindric.It is restricting
Wheel 5 is wound with hoist cable 170 shown in FIG. 1.Then, it is rotated by rope sheave 5 and batches hoist cable 170 in rope sheave 5.
In addition, being provided with bearing housing 21 on the inside of the radial direction of rope sheave 5.Bearing housing 21 is formed as cylindric, is formed
Have from axial one end and penetrates through to the through hole 21a of the other end.In addition, the inner wall in the through hole 21a of bearing housing 21 is provided with
Bearing 22.Main shaft 3 is inserted into the through hole 21a of bearing housing 21.Then, bearing housing 21 is via bearing 22 rotatably by main shaft 3
Axial the other end bearing.
Oil sealing 24 is respectively arranged at the axial both ends of the through hole 21a of bearing housing 21.Oil sealing 24 is set to bearing housing
Between the inner wall of 21 through hole 21a and the outer peripheral surface of main shaft 3.Using the occlusion of oil sealing 24 by axial the other end of main shaft 3
The space formed with the through hole 21a of bearing housing 21.Moreover, oil sealing 24 occludes the grease for being enclosed bearing 22.
In addition, the axial another side in bearing housing 21 is fixed with lid 41.As shown in figure 4, lid 41 is to block axis
The mode for holding the opening of the axial another side of the through hole 21a of case 21 is fixed on bearing housing 21 via fixing bolt 51.Cause
This, the bore 3a and incorporating section 31 of lid 41 and main shaft 3 are opposite.
Fig. 5 is the plan view for indicating lid 41.
As shown in Figure 4 and Figure 5, lid 41 is formed as rounded tabular.As shown in figure 5, in the radius side of lid 41
To central portion be formed with recess portion 41b.Be arranged in the incorporating section 31 of main shaft 3 opposite opposite face of the recess portion 41b in lid 41
A face of opposite side be shaped generally as circle.Recess portion 41b is recessed from one towards incorporating section 31.
The substantially opening portion 41a of semicircle shape there are two being open and to be formed in recess portion 41b.In addition, the number of opening portion 41a is not
Two are defined in, one or three or more can also be formed.In addition, in central portion, i.e. two of the radial direction of lid 41
Between the 41a of opening portion, it is provided with connection axle portion 41c.In the axle portion 9b of the fixed aftermentioned rotation detector 9 of connection axle portion 41c.
In addition, being provided with multiple fixation holes for inserting the threaded portion of fixing bolt 51 in the outer edge of lid 41
41d.Moreover, being provided with multiple fixation hole 41e for inserting the threaded portion of fixing bolt 52 in the outer edge of recess portion 41b.
In addition, the opposite side of wall surface of the lid 41 when being fixed on bearing housing 21 towards hoistway 100 i.e. 110 side of carriage (referring to Fig. 2).
As shown in figure 4, in the recess portion 41b of lid 41, it is solid via fixing bolt 52 in a manner of blocking two opening portion 41a
Surely there are secondary shielding component 43b and sealing plate 42.Therefore, bore 3a and incorporating section 31 phase of the sealing plate 42 across lid 41 and main shaft 3
It is right.
Fig. 6 is the plan view for indicating lid 41 and sealing plate 42.
As shown in Figure 4 and Figure 6, sealing plate 42 is formed as rounded tabular.Sealing plate 42 is provided with multiple fin 42a.
Multiple fin 42a are equally spaced formed in the circumferential direction of sealing plate 42.Multiple fin 42a are by cutting simultaneously a part of sealing plate 42
Further bending and formed.When sealing plate 42 to be fixed on to the recess portion 41b of lid 41, multiple fin 42a are to opposite with lid 41
Direction it is prominent.
In addition, forming multiple venthole 42b by forming multiple fin 42a in sealing plate 42.Because multiple fin 42a into
The air that row is rotated and flowed passes through from venthole 42b.
In turn, multiple fixation holes for inserting the threaded portion of fixing bolt 52 are formed in the outer edge of sealing plate 42
42c。
In addition, in this example, being said to making shape of the sealing plate 42 with recess portion 41b be correspondingly formed as circular example
It is bright, but it's not limited to that for the shape of sealing plate 42.It is other that the shape of sealing plate 42 can also be formed as quadrangle and hexagon etc.
Various shape.In this case, the shape of the recess portion 41b and sealing plate 42 that are formed in lid 41 are set as consistent.
In turn, the example that multiple fin 42a are formed and a part of sealing plate 42 is cut simultaneously bending is said
It is bright, but the present invention is not limited to this.For example, it is also possible to which being utilized respectively different components constitutes fin and sealing plate 42, pass through
It the fixing means such as welds and be fastened and fixed and fin is fixed on sealing plate 42.In this case it is necessary to be fixed with wing in sealing plate
Venthole is formed near the position of piece.
In addition, as in this example, a part of sealing plate 42 to be cut and forms multiple fins in a manner of bending again
42a can cut down components number.Further, it is possible to be formed simultaneously venthole 42b when forming multiple fin 42a.
Secondary shielding component 43b is set between sealing plate 42 and the recess portion 41b of lid 41.Secondary shielding component 43b and
One shield member 43a is the same to be made of netted component.Secondary shielding component 43b has and makees as the first shield member 43a
For the effect of the electromagnetic shielding of shielding electromagnetic wave.In addition, secondary shielding component 43b can prevent the dirt to swim in hoistway 100
Angstrom and dust from the opening portion 41a of lid 41 enter incorporating section 31.
In addition, according to the traction machine 10 of this example, it can be by forming recess portion 41b in lid 41, configuring and seal in recess portion 41b
Plate 42 and secondary shielding component 43b, to keep the axial thickness of main shaft 3 of traction machine 10 thinning.
In addition, being formed with recess portion 41b in lid 41 in the traction machine 10 of this example, sealing plate 42 is configured in recess portion 41b
With secondary shielding component 43b, but it's not limited to that.For example, it is also possible to recess portion 41b is not set in lid 41, and in lid
41 face fixing closing plate 42 and secondary shielding component 43b in a manner of covering opening portion 41a.
Then, rotation detector 9 is illustrated.
As shown in figure 4, rotation detector 9 has test section 9a, axle portion 9b, the wiring 9c connecting with test section 9a and does not scheme
The swivel plate shown.
Test section 9a is formed in the chip of swivel plate by reading to detect the rotation speed of swivel plate.Test section 9a by
Flat fixation member 53 is fixed on the incorporating section 31 for being set to main shaft 3.It is constituted as fixation member 53, such as by leaf spring.
In addition, preferably fixation member 53 is the thin component of width in order to mitigate the contact area of test section 9a Yu main shaft 3.Thereby, it is possible to
Inhibit the heat that test section 9a is transferred to from main shaft 3 using fixation member 53, the temperature for being able to suppress test section 9a rises.
Axle portion 9b has been rotatably supported in test section 9a.Axle portion 9b is provided with swivel plate (not shown).In addition, axle portion
The connection axle portion 41c that lid 41 is fixed on the end of test section 9a opposite side of 9b.As described above, lid 41 is fixed on setting
In the bearing housing 21 of rope sheave 5.Therefore, axle portion 9b rotates together with lid 41 and rope sheave 5.
In addition, as described above, the fixation member 53 that the portion 9a of will test is fixed on main shaft 3 is made of flexible leaf spring.
Therefore, even if the vibration generated in axle portion 9b rotation is transferred to test section 9a, also transmitting can be absorbed using fixation member 53
To the vibration of test section 9a.Thereby, it is possible to prevent from generating in the velocity measuring of test section 9a bad since axle portion 9b is vibrated
Situation.
Wiring 9c is connect with test section 9a.Wiring 9c passes through the bore 3a of main shaft 3, from an axial end for main shaft 3
It draws in the outside of lateral bore 3a.Moreover, wiring 9c sends signal detected by test section 9a to the external of traction machine 10.
In addition, in the traction machine 10 of this example, to the example for being formed as one rotor block 4, rope sheave 5 and bearing housing 21 into
Explanation is gone, but the present invention is not limited to this.Such as it can also make rotor block 4, rope sheave 5 and bearing housing 21 respectively with difference
Component constitute.In addition it is also possible to be arranged bearing housing 21 in rotor block 4, rope sheave 5 is fixed on the rotor block 4.
The movement of 2-1. traction machine
Then, the movement of the traction machine 10 with above structure is illustrated.
When the streaming current in the stator coil for constituting the stator 7 for being fixed on frame 2, the rotor block 4 opposite with stator 7
Driving is pivoted about with main shaft 3.Therefore, rotation driving is also carried out via the rope sheave 5 that interconnecting piece 8 and rotor block 4 link.
Then, rope sheave 5 is rotated, and is thus moved wound on the hoist cable 170 of rope sheave 5.
Herein, it is rotated by rope sheave 5, the lid 41 and sealing plate 42 for being fixed on the bearing housing 21 of rope sheave 5 are rotated.
It is rotated by sealing plate 42, generates air-flow because of the multiple fin 42a formed in sealing plate 42.It then, can using the air-flow
Rotation detector 9 is cooled down.As a result, the cooling of rotation detector 9 can be carried out in simple structure.
For example, generating from the venthole 42b formed in sealing plate 42 when carriage 110 rises and passing through secondary shielding component
Air-flow as 43b, the opening portion 41a of lid 41, incorporating section 31, the bore 3a of main shaft 3 and the first shield member 43a.In addition,
When carriage 110 declines, cylinder with above-mentioned contrary direction, passing through main shaft 3 from the first shield member 43a is generated
Hole 3a, incorporating section 31, opening portion 41a, secondary shielding component 43b and sealing plate 42 venthole 42b as air-flow.Lead to as a result,
The lifting action of carriage 110 is crossed, the air in the bore 3a and incorporating section 31 of main shaft 3 can be handed over external air
It changes.
Herein, the first shield member 43a and secondary shielding component 43b are formed as netted.Therefore, the first shielding can be utilized
Component 43a and secondary shielding component 43b, blocks dust and dust, passes through air in bore 3a and incorporating section 31.
In addition, the incorporating section 31 of storage rotation detector 9 is formed in 5 side of rope sheave of traction machine 10.Moreover, as shown in Fig. 2,
Rope sheave 5 towards hoistway 100 wall surface 110 side of opposite side, that is, carriage configure.Moreover, blocking the lid of the opening of incorporating section 31
41 and sealing plate 42 be fixed on the side opposite with the wall surface of hoistway 100 i.e. 110 side of carriage of rope sheave 5.That is, rotation detector 9 is matched
It sets in the inner space side of hoistway 100, therefore the operator safeguarded is easy to safeguard rotation detector 9.Its result
It is the workability that can be improved the upkeep operation of rotation detector 9.
In addition, configure rope sheave 5 towards the inner space side of hoistway 100 in the traction machine 10 of this example, but this hair
Bright it's not limited to that, can also be by rope sheave 5 towards the wall surface of hoistway 100.In such a situation it is preferred to store rotation detector
The end of the side opposite with rope sheave of main shaft 3 is arranged in 9 incorporating section.
But in order to make rotation detector 9 and fin 42a be located proximate to improve cooling effect, preferred storage rotation
The end of 5 side of rope sheave is arranged in the incorporating section 31 of detector 9.At this point, the axial length of the axle portion 9b of rotation detector 9 can be made
It spends shorter.As a result, being able to suppress due to the vibration that axle portion 9b rotates and generates, the rotation of rotation detector 9 can be improved
Performance.
In turn, according to the traction machine of this example 10, by the lid 41 for being formed with opening portion 41a and block opening portion 41a's
Sealing plate 42 is respectively structured as different components.Moreover, fin 42a is formed in the sealing plate 42 for blocking the opening portion 41a of lid 41, match
Set the outside in incorporating section 31.As a result, in the maintenance for hand being inserted into and being carried out rotation detector 9 from the opening portion 41a of lid 41
When, fin 42a will not interfere to be safeguarded.
In addition, the shape of fin 42a is not influenced by the shape of the opening portion 41a of lid 41 and the shape of incorporating section 31,
It is able to carry out various settings.Thereby, it is possible to the fin 42a that appropriate shape is arranged in the appropriate position in sealing plate 42, additionally it is possible to
Improve the cooling effect of rotation detector 9.
Alternatively, it is also possible to which lid 41 is formed as one with the sealing plate 42 for being provided with fin 42a.That is, can also with receipts
Fin 42a is arranged in the opposite lid 41 in portion 31 of receiving.
In addition, the present invention is not limited to above address embodiment shown in the drawings, and summary of the invention can not departed from
Range record invention purport in the range of carry out various modifications implementation.
Claims (4)
1. a kind of traction machine can wind the hoist cable with carriage connection, which is characterised by comprising:
It is provided with the casing of stator；
Main shaft is mounted on the casing, have along axially through bore and the bore formed incorporating section；
Rotor block has the magnet opposite with the stator rotatably by the main shaft supporting；
Rope sheave is arranged in the rotor block, for winding the hoist cable；
The incorporating section of the main shaft is arranged in rotation detector, detects the rotation of the rotor block and the rope sheave, and
And there is the axle portion rotated together with the rotor block and the rope sheave；
Lid is fixed on the axle portion, cover in the rope sheave or the rotor block for making passing through for the main shaft insertion
The opening of through-hole and the opening of the bore, and rotated together with the rope sheave and the rotor block；With
Sealing plate, is fixed on the lid, and cover the opening portion for being formed in the lid, is formed with and passes through for air
Venthole and fin,
The lid has the recess portion that can configure the sealing plate,
Shielding shielding electromagnetic waves component is configured on the main shaft,
The shield member is configured at the recess portion being formed on the lid, and is arranged between the lid and the sealing plate.
2. traction machine as described in claim 1, it is characterised in that:
The fin is formed and a part to the sealing plate is processed.
3. traction machine as described in claim 1, it is characterised in that:
The axial end of master is entrenched in the casing,
The rope sheave is rotatably supported in another axial end of the master,
The incorporating section is formed in another axial described end of the master,
The lid and the sealing plate are opened with the axial another side of the bore of the incorporating section and the main shaft
Both mouths are opposite.
4. a kind of elevator characterized by comprising
The carriage gone up and down in hoistway；
Via the counterweight of hoist cable and carriage connection；With
Make the traction machine of the carriage lifting by winding the hoist cable,
The traction machine includes:
It is provided with the casing of stator；
Main shaft is mounted on the casing, have along axially through bore and the bore formed incorporating section；
Rotor block has the magnet opposite with the stator rotatably by the main shaft supporting；
Rope sheave is arranged in the rotor block, for winding the hoist cable；
The incorporating section of the main shaft is arranged in rotation detector, detects the rotation of the rotor block and the rope sheave, and
And there is the axle portion rotated together with the rotor block and the rope sheave；
Lid is fixed on the axle portion, cover in the rope sheave or the rotor block for making passing through for the main shaft insertion
The opening of through-hole and the opening of the bore, and rotated together with the rope sheave and the rotor block；With
Sealing plate, is fixed on the lid, and cover the opening portion for being formed in the lid, is formed with and passes through for air
Venthole and fin,
The lid has the recess portion that can configure the sealing plate,
Shielding shielding electromagnetic waves component is configured on the main shaft,
The shield member is configured at the recess portion being formed on the lid, and is arranged between the lid and the sealing plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-191530 | 2015-09-29 | ||
| JP2015191530A JP6475136B2 (en) | 2015-09-29 | 2015-09-29 | Hoisting machine and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN201610633091.1A Active CN106553950B (en) | 2015-09-29 | 2016-08-04 | Traction machine and elevator |
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| WO2023238269A1 (en) * | 2022-06-08 | 2023-12-14 | 株式会社日立製作所 | Hoist and elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091746C (en) * | 1997-06-12 | 2002-10-02 | 维托公开股份有限公司 | Drive unit for hoist |
| CN1747285A (en) * | 2004-09-09 | 2006-03-15 | 三菱电机株式会社 | Motor with annual coils for elevator |
| CN100335400C (en) * | 2003-06-05 | 2007-09-05 | 三菱电机株式会社 | Hoister and motor for elevator |
| JP4439470B2 (en) * | 2003-08-21 | 2010-03-24 | 三菱電機株式会社 | Thin hoisting machine for elevator |
| EP2325983A1 (en) * | 2008-09-11 | 2011-05-25 | Mitsubishi Electric Corporation | Hoist for elevator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1486450B1 (en) * | 2001-11-08 | 2011-03-16 | Mitsubishi Denki Kabushiki Kaisha | Hoist and elevator equipment |
| JP4160456B2 (en) * | 2003-07-07 | 2008-10-01 | 株式会社日立製作所 | Elevator hoisting machine |
| JP4550120B2 (en) * | 2008-01-28 | 2010-09-22 | 株式会社日立製作所 | Elevator hoisting machine |
| JP2009286548A (en) * | 2008-05-28 | 2009-12-10 | Mitsubishi Electric Corp | Elevator hoist |
| US9114956B2 (en) * | 2010-06-18 | 2015-08-25 | Mitsubishi Electric Corporation | Elevator modification work apparatus |
| JP5599303B2 (en) * | 2010-12-28 | 2014-10-01 | 三菱電機株式会社 | Elevator hoisting machine |
| CN105764831B (en) * | 2014-02-21 | 2017-08-04 | 株式会社日立制作所 | Lift appliance |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091746C (en) * | 1997-06-12 | 2002-10-02 | 维托公开股份有限公司 | Drive unit for hoist |
| CN100335400C (en) * | 2003-06-05 | 2007-09-05 | 三菱电机株式会社 | Hoister and motor for elevator |
| JP4439470B2 (en) * | 2003-08-21 | 2010-03-24 | 三菱電機株式会社 | Thin hoisting machine for elevator |
| CN1747285A (en) * | 2004-09-09 | 2006-03-15 | 三菱电机株式会社 | Motor with annual coils for elevator |
| EP2325983A1 (en) * | 2008-09-11 | 2011-05-25 | Mitsubishi Electric Corporation | Hoist for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106553950A (en) | 2017-04-05 |
| JP2017065847A (en) | 2017-04-06 |
| JP6475136B2 (en) | 2019-02-27 |
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