CN112960518A - Hauler convenient to installation - Google Patents
Hauler convenient to installation Download PDFInfo
- Publication number
- CN112960518A CN112960518A CN202110230963.0A CN202110230963A CN112960518A CN 112960518 A CN112960518 A CN 112960518A CN 202110230963 A CN202110230963 A CN 202110230963A CN 112960518 A CN112960518 A CN 112960518A
- Authority
- CN
- China
- Prior art keywords
- rotor shaft
- end cover
- base
- traction
- hoisting machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B66B11/0035—Arrangement of driving gear, e.g. location or support
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a traction machine convenient to install, which comprises a machine base (1), a stator core (2), a rotor shaft (3) and a traction wheel (4), wherein one end of the machine base (1) is connected with the rotor shaft (3) through an auxiliary stress bearing (5), the other end of the machine base (1) is connected with an end cover (6), the inner side of the end cover (6) is connected with the rotor shaft (3) through a main stress bearing (7), and one end of the rotor shaft (3) penetrates through the main stress bearing (7) to be connected with the traction wheel (4) positioned on the side part of the machine base (1). The end cover replaces the machine base to support the stress end of the rotor shaft, the thickness and the stress strength required by the machine base can be effectively reduced, and therefore the width size of the traction machine is reduced, and the traction machine can be suitable for the installation size of the elevator without a machine room.
Description
Technical Field
The invention relates to a traction machine, in particular to a traction machine convenient to install.
Background
The existing tractor mainly comprises a base, a stator, a rotor and a traction wheel, wherein a stator iron core is fixed in a cavity of the base, and a rotor magnetic yoke and a magnetic steel sleeve are arranged outside the stator and connected with a rotor shaft positioned in the middle of the base; meanwhile, the rotor shaft is connected with the machine base through a bearing for positioning and drives the traction sheave to rotate. However, the structure that the rotor shaft is positioned by matching the base and the bearing can cause the base to bear larger radial pressure at the bearing connecting position near one end of the traction wheel, namely the thickness of the base at the connecting position needs to be increased to ensure the structural stability of the base, so that the overall width size of the traction machine is increased, the thickness of the outer side of the base cavity is about 460mm at present, and the thickness of the inner side of the base cavity is about 360 mm; the requirement on the installation space in the shaft is high, and the traction machine cannot be installed and used in the elevator shaft with small part width, so that the applicability of the traction machine is reduced.
On the other hand, in order to improve the connection stability of the rotor shaft in the conventional traction machine, the connection part of the rotor shaft and the machine base needs to be arranged at two ends of the machine base, so that the cavity of the machine base is in a relatively closed state; under this state, the heat that frame inner rotor produced after rotating can gather in a large number and can't distribute, and then causes the quick rise of the inboard temperature of hauler, influences the job stabilization nature and the life of hauler.
Therefore, the existing traction machine has the problems of large occupied space and low heat dissipation speed.
Disclosure of Invention
The invention aims to provide a traction machine which is convenient to install. The heat dissipation device has the characteristics of small occupied space and high heat dissipation speed.
The technical scheme of the invention is as follows: the traction machine convenient to install comprises a machine base, a stator core, a rotor shaft and a traction wheel, wherein one end of the machine base is connected with the rotor shaft through an auxiliary stress bearing, the other end of the machine base is connected with an end cover, the inner side of the end cover is connected with the rotor shaft through a main stress bearing, and one end of the rotor shaft penetrates through the main stress bearing to be connected with the traction wheel positioned on the side part of the machine base.
In the traction machine convenient to mount, the middle part of the traction sheave is provided with the sleeve connected with the rotor shaft, one side of the end cover is annularly distributed with a plurality of first reinforcing ribs, and the inner ends of the first reinforcing ribs are mutually attached to the outer wall of the sleeve.
In the traction machine convenient to mount, the cross section of the end cover is in a C shape, and a plurality of second reinforcing ribs are distributed on one side, far away from the first reinforcing rib, of the end cover.
In the traction machine convenient to mount, the outer part of the end cover is buckled with the base through the step surface.
In the traction machine convenient to mount, the base, the end cover and the traction wheel are sequentially attached, the end part of the rotor shaft is connected with the blocking cover, and one side of the blocking cover is attached to the traction wheel.
In the tractor convenient to install, frame one side is equipped with annular iron core room, and the cross-sectional appearance of iron core room is the U-shaped, the stator core cover is established at the inner ring of iron core room, and stator core external connection has the magnet steel, and the magnet steel external connection has the rotor yoke, and the tip of rotor yoke passes and connects the rotor shaft from one side of frame.
In the above traction machine convenient to mount, the rotor yoke is provided with an inner ring body with an L-shaped cross section at a connection position with the rotor shaft, and a plurality of cooling fins are annularly distributed on one side of the inner ring body facing the core chamber.
In the traction machine convenient to mount, the base is externally connected with the junction box, and the junction of the junction box and the base is provided with the sealing strip.
In the traction machine convenient to install, the end of the rotor shaft far away from the traction sheave is connected with a brake and an encoder.
Compared with the prior art, the invention has the following characteristics:
(1) according to the invention, the main stress bearing is installed through the end cover, so that the end cover can replace a machine base to bear the pressure brought by the rotor shaft, and the working stability of the machine base is ensured; after the stress strength required by the base is reduced, the thicknesses of the bases on two sides of the iron core chamber can be reduced, so that the thickness of the base on the inner side of the iron core chamber is 180mm, and the required stress strength can be achieved when the thickness of the base on the outer side of the iron core chamber is 285mm, thereby effectively reducing the width size of the base and adapting to the installation environment of the elevator without a machine room;
(2) by optimizing the appearance of the end cover and arranging the first reinforcing ribs and the second reinforcing ribs, on one hand, the structural strength of the end cover can be improved through the first reinforcing ribs and the second reinforcing ribs; on the other hand, after the first reinforcing ribs and the sleeve are mutually attached, the traction sheave can play a role in limiting and reinforcing the end cover, so that the position precision and the deformation resistance of the end cover are further improved; the end cover and the base are buckled with each other, so that the base, the end cover and the traction wheel can be positioned in the axial direction and the radial direction, and the structural stability and the using effect of the traction device are improved;
(3) through the structural optimization of the rotor magnetic yoke and the arrangement of the radiating fins, the radiating fins can play a role of blades when rotating along with the rotor shaft and the rotor magnetic yoke, so that the air flow around the iron core chamber and the rotor shaft is accelerated, the radiating efficiency of the invention is effectively improved, and the temperature rise of the traction machine in use is lower;
(4) through the sealing strips arranged at the connecting positions of the junction box and the base, dust or rainwater can be effectively prevented from entering the motor from gaps, so that the protection grade of the motor can be improved from IP40 to IP54, and the motor has excellent sealing and protection effects;
therefore, the invention has the characteristics of small occupied space and high heat dissipation speed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The labels in the figures are: 1-machine base, 2-stator core with winding, 3-rotor shaft, 4-traction sheave, 5-auxiliary stress bearing, 6-end cover, 7-main stress bearing, 8-magnetic steel, 9-rotor magnetic yoke, 10-junction box, 11-brake, 12-encoder, 13-baffle cover, 101-core chamber, 401-sleeve, 601-first reinforcing rib, 602-second reinforcing rib, 603-step surface, 901-inner ring body and 902-radiating fin.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The tractor convenient to install is shown in figure 1, and comprises a machine base 1 and a stator core 2, wherein the stator core 2 is provided with a winding stator core 2, a rotor shaft 3 and a traction wheel 4, one end of the machine base 1 is connected with the rotor shaft 3 through an auxiliary stress bearing 5, the other end of the machine base 1 is connected with an end cover 6, the inner side of the end cover 6 is connected with the rotor shaft 3 through a main stress bearing 7, and one end of the rotor shaft 3 penetrates through the main stress bearing 7 to be connected with the traction wheel 4 positioned on the side part of the machine base 1.
The middle part of the traction sheave 4 is provided with a sleeve 401 connected with the rotor shaft 3, one side of the end cover 6 is annularly distributed with a plurality of first reinforcing ribs 601, and the inner ends of the first reinforcing ribs 601 are mutually attached to the outer wall of the sleeve 401.
The cross section of the end cover 6 is C-shaped, and a plurality of second reinforcing ribs 602 located in the C-shaped grooves are distributed on one side of the end cover 6 away from the first reinforcing ribs 601.
The outer part of the end cover 6 is buckled with the machine base 1 through a step surface 603.
The machine base 1, the end cover 6 and the side wall surface of the traction sheave 4 are sequentially attached, the end part of the rotor shaft 3 is connected with a blocking cover 13, and one side of the blocking cover 13 is attached to the traction sheave 4.
An annular iron core chamber 101 is arranged on one side of the machine base 1, the thickness of the machine base 1 on the outer side of the iron core chamber 101 is 285mm, and the thickness of the machine base 1 on the inner side of the iron core chamber 101 is 180 mm; the cross-sectional appearance of iron core room 101 is U-shaped and one side and outside intercommunication, 2 covers of stator core are established at the inner ring of iron core room 101, and 2 external connections of stator core have magnet steel 8, and magnet steel 8 external connections have rotor yoke 9, and rotor yoke 9's tip passes and connects rotor shaft 3 from one side of frame 1.
An inner ring 901 with an L-shaped cross section is arranged at the joint of the rotor yoke 9 and the rotor shaft 3, and a plurality of radiating fins 902 are annularly distributed on one side of the inner ring 901, which faces the iron core chamber 101.
The external of the base 1 is connected with a junction box 10, and a sealing strip is arranged at the joint of the junction box 10 and the base 1.
The rotor shaft 3 is connected with a brake 11 and an encoder 12 at one end far away from the traction sheave 4.
The working principle of the invention is as follows: when the invention is installed, the end cover 6 is used for replacing the original machine base 1 to connect the main stress bearing 7, so that the machine base does not need to bear the radial pressure brought by the rotor shaft 3; the whole thickness of the machine base can be reduced after the stress of the machine base is reduced, so that the width size of the traction machine is reduced, and the machine base can meet the installation requirement of a machine room-less elevator.
When the invention is used, the rotor magnetic yoke 9 rotates under the matching action of the magnetic steel 8 and the stator iron core 2, and drives the rotor shaft 3 and the traction sheave 4 to rotate in turn. In the rotation process of the rotor yoke 9, the cooling fins 902 rotate together to function as fan blades, so that the air flow in the base 1 is accelerated, and the cooling effect of the invention is improved.
Claims (9)
1. Hauler convenient to installation, including frame (1), stator core (2), rotor shaft (3) and driving sheave (4), its characterized in that: one end of the machine base (1) is connected with the rotor shaft (3) through the auxiliary stress bearing (5), the other end of the machine base (1) is connected with the end cover (6), the inner side of the end cover (6) is connected with the rotor shaft (3) through the main stress bearing (7), and one end of the rotor shaft (3) penetrates through the main stress bearing (7) to be connected with the traction wheel (4) located on the side portion of the machine base (1).
2. The hoisting machine convenient to install according to claim 1, wherein: the middle part of the traction sheave (4) is provided with a sleeve (401) connected with the rotor shaft (3), one side of the end cover (6) is annularly distributed with a plurality of first reinforcing ribs (601), and the inner ends of the first reinforcing ribs (601) are mutually attached to the outer wall of the sleeve (401).
3. The hoisting machine convenient to install as set forth in claim 2, wherein: the cross section of the end cover (6) is C-shaped, and a plurality of second reinforcing ribs (602) are distributed on one side, far away from the first reinforcing ribs (601), of the end cover (6).
4. The hoisting machine convenient to install according to claim 1, wherein: the outer part of the end cover (6) is buckled with the machine base (1) through a step surface (603).
5. The hoisting machine convenient to install according to claim 1, wherein: the motor base (1), the end cover (6) and the traction sheave (4) are sequentially attached, the end part of the rotor shaft (3) is connected with a blocking cover (13), and one side of the blocking cover (13) is attached to the traction sheave (4).
6. The hoisting machine convenient to install according to claim 1, wherein: frame (1) one side is equipped with annular iron core room (101), and the cross-sectional appearance of iron core room (101) is the U-shaped, stator core (2) cover is established at the inner ring of iron core room (101), and stator core (2) external connection has magnet steel (8), and magnet steel (8) external connection has rotor yoke (9), and the tip of rotor yoke (9) passes and connects rotor shaft (3) from one side of frame (1).
7. The hoisting machine convenient to install as set forth in claim 6, wherein: an inner ring body (901) with an L-shaped cross section is arranged at the joint of the rotor magnetic yoke (9) and the rotor shaft (3), and a plurality of radiating fins (902) are annularly distributed on one side of the inner ring body (901) facing the iron core chamber (101).
8. The hoisting machine convenient to install according to claim 1, wherein: the motor base (1) is externally connected with a junction box (10), and sealing strips are arranged at the joint of the junction box (10) and the motor base (1).
9. The hoisting machine convenient to install according to claim 1, wherein: one end of the rotor shaft (3) far away from the traction sheave (4) is connected with a brake (11) and an encoder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230963.0A CN112960518A (en) | 2021-03-02 | 2021-03-02 | Hauler convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230963.0A CN112960518A (en) | 2021-03-02 | 2021-03-02 | Hauler convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112960518A true CN112960518A (en) | 2021-06-15 |
Family
ID=76276436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110230963.0A Pending CN112960518A (en) | 2021-03-02 | 2021-03-02 | Hauler convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112960518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602941A (en) * | 2021-09-30 | 2021-11-05 | 菱王电梯有限公司 | Traction machine and elevator system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016137A (en) * | 2007-02-06 | 2007-08-15 | 杭州富沃德电子电器有限公司 | Gearless traction machine |
| CN101973479A (en) * | 2010-11-05 | 2011-02-16 | 沈阳蓝光驱动技术有限公司 | Ultra-high-speed heavy-loading outer-rotor permanent magnet synchronous traction machine |
| CN204131318U (en) * | 2014-09-15 | 2015-01-28 | 浙江兆丰机电股份有限公司 | Wheel hub motor external rotor air-cooled heat dissipation structure |
| CN105356640A (en) * | 2015-11-02 | 2016-02-24 | 浙江西子富沃德电机有限公司 | Motor and elevator tractor with same |
| CN110143510A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of modified traction machine |
-
2021
- 2021-03-02 CN CN202110230963.0A patent/CN112960518A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016137A (en) * | 2007-02-06 | 2007-08-15 | 杭州富沃德电子电器有限公司 | Gearless traction machine |
| CN101973479A (en) * | 2010-11-05 | 2011-02-16 | 沈阳蓝光驱动技术有限公司 | Ultra-high-speed heavy-loading outer-rotor permanent magnet synchronous traction machine |
| CN204131318U (en) * | 2014-09-15 | 2015-01-28 | 浙江兆丰机电股份有限公司 | Wheel hub motor external rotor air-cooled heat dissipation structure |
| CN105356640A (en) * | 2015-11-02 | 2016-02-24 | 浙江西子富沃德电机有限公司 | Motor and elevator tractor with same |
| CN110143510A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of modified traction machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602941A (en) * | 2021-09-30 | 2021-11-05 | 菱王电梯有限公司 | Traction machine and elevator system |
| CN113602941B (en) * | 2021-09-30 | 2021-12-17 | 菱王电梯有限公司 | Traction machine and elevator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210615 |
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| RJ01 | Rejection of invention patent application after publication |