CN212656708U - Revolving door lightweight two-stage speed reduction direct current motor driving device - Google Patents
Revolving door lightweight two-stage speed reduction direct current motor driving device Download PDFInfo
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- CN212656708U CN212656708U CN202020963967.0U CN202020963967U CN212656708U CN 212656708 U CN212656708 U CN 212656708U CN 202020963967 U CN202020963967 U CN 202020963967U CN 212656708 U CN212656708 U CN 212656708U
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- speed reduction
- current motor
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- stage deceleration
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Abstract
The revolving door light-weight secondary speed reduction direct current motor driving device comprises a direct current motor (1), a primary speed reduction small synchronous wheel (2), a primary speed reduction large synchronous wheel (3), a synchronous belt (4), a stop sensor (6) and a secondary speed reduction synchronous wheel (7); the direct current motor (1) is connected with a first-stage speed reduction large synchronous wheel (3) through a roll of synchronous belt (4) in a transmission mode, the first-stage speed reduction large synchronous wheel (3) and a first-stage speed reduction small synchronous wheel (2) are coaxially and fixedly installed, and the first-stage speed reduction small synchronous wheel (2) is connected with a second-stage speed reduction synchronous wheel (7) through another roll of synchronous belt (4) in a transmission mode. Through the cooperation of the direct current motor, the driving wheel, the secondary variable-speed wheel, the synchronous belt and the like, the main shaft is driven by the reduction ratio to drive the door body to work. The device has simple structure and high efficiency. The mechanical structure and the weight of the driving device are greatly reduced, the manufacturing cost and the working cost are greatly reduced through two-stage speed reduction and synchronous belt transmission, and the running noise is greatly reduced.
Description
Technical Field
The utility model relates to a revolving door drive arrangement's institutional advancement technique, especially revolving door lightweight second grade speed reduction direct current motor drive arrangement.
Background
The revolving door integrates the advantages of various door bodies, and the design of spaciousness and high style creates a luxurious atmosphere which can be called as a pen for touching the eyes of a building. The revolving door enhances the wind resistance, reduces the energy consumption of the air conditioner, and is the best choice for isolating air flow and saving energy.
The revolving door driving mechanism of the existing revolving door adopts a three-phase alternating current motor to provide power, and has the problems of large occupied space, heavy size, high installation and construction difficulty, high cost, high energy consumption and the like. In addition, the driving adopts a chain transmission mode, so that the problems of large bath sound, easy abrasion, high maintenance difficulty, inaccurate control precision and the like during operation are solved. And the structure is complicated and the efficiency is low.
The conventional three-phase motor driving technology needs to perform a variety of operation steps including: providing a 380V power supply; the pressure reduction and speed reduction of the frequency converter are controlled; rotating the three-phase motor; chain wheel and chain transmission; the main shaft drives and the door body rotates.
The method adopting the complicated steps brings the following defects in the work: because the three-phase alternating current power supply needs frequency conversion, pressure reduction and speed reduction for providing power for the motor, the device has a more complex structure. In addition, the chain transmission has large shaking clearance, so the positioning precision is low, and the working execution efficiency of the mechanism is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a revolving door lightweight second grade speed reduction direct current motor drive arrangement passes through the drive of speed reduction ratio with direct current motor, realizes the rotatory operation work of the door body.
The purpose of the utility model is realized by the following technical measures: the device comprises a direct current motor, a primary speed-reducing small synchronous wheel, a primary speed-reducing large synchronous wheel, a synchronous belt, a stop sensor and a secondary speed-reducing synchronous wheel; the direct current motor is connected with a first-stage speed reduction large synchronous wheel through one volume of synchronous belt transmission, the first-stage speed reduction large synchronous wheel and a first-stage speed reduction small synchronous wheel are coaxially and fixedly installed, and the first-stage speed reduction small synchronous wheel is connected with a second-stage speed reduction synchronous wheel through another volume of synchronous belt transmission.
Particularly, the first-stage reduction ratio from the direct current motor to the first-stage large speed reduction synchronizing wheel is the same as the second-stage reduction ratio from the first-stage small speed reduction synchronizing wheel to the second-stage large speed reduction synchronizing wheel.
Particularly, the lower parts of the first-stage speed reduction large synchronous wheel and the second-stage speed reduction synchronous wheel are arranged in the mounting square disc. The outer wall of the mounting square plate is provided with a mounting fixing hole. The mounting and fixing hole is waist-shaped.
In particular, a position sensor is arranged from the middle shaft to the upper side of the outer edge of the secondary speed reduction synchronizing wheel.
In particular, the upper side of the edge of the secondary speed reduction synchronizing wheel is provided with a stop magnetic steel.
In particular, the lower side shaft of the middle shaft of the secondary speed reduction synchronizing wheel is connected with a main shaft.
Particularly, the lower side shaft of the main shaft is connected with a door body linkage mechanism, and the door body linkage mechanism is a three-cantilever connecting support with equal included angle radiation.
The utility model discloses an advantage and effect: through the cooperation of the direct current motor, the driving wheel, the secondary variable-speed wheel, the synchronous belt and the like, the main shaft is driven by the reduction ratio to drive the door body to work. The device has simple structure and high efficiency. The mechanical structure and the weight of the driving device are greatly reduced, the manufacturing cost and the working cost are greatly reduced through two-stage speed reduction and synchronous belt transmission, and the running noise is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic view of the dc motor driving mechanism according to the embodiment of the present invention;
FIG. 3 is an axial view of an embodiment of the present invention;
FIG. 4 is a sectional view of a part of the embodiment of the present invention;
the reference numerals include:
the device comprises a direct current motor 1, a primary speed-reducing small synchronous wheel 2, a primary speed-reducing large synchronous wheel 3, a synchronous belt 4, a mounting square disc 5, a stop sensor 6, a secondary speed-reducing synchronous wheel 7, stop magnetic steel 8, a main shaft 9, a mounting fixing hole 10, a door body linkage mechanism 11 and a direct current driving mechanism 12.
Detailed Description
The utility model discloses the principle lies in, optimizes prior art three-phase AC power supply drive arrangement, subtracts province three-phase power supply system, changes the tradition and passes through converter control AC motor and chain drive system's method, and DC motor driven technique transmits the synchronizing wheel rotational speed of motor end to main shaft end synchronizing wheel through the reduction ratio, accomplishes a body rotation action.
The utility model discloses a: the device comprises a direct current motor 1, a primary speed-reducing small synchronous wheel 2, a primary speed-reducing large synchronous wheel 3, a synchronous belt 4, a stop sensor 6 and a secondary speed-reducing synchronous wheel 7.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in attached figures 1 and 2, a DC motor 1 is connected with a first-level deceleration large synchronous wheel 3 through a roll of synchronous belt 4 in a transmission way, the first-level deceleration large synchronous wheel 3 and a first-level deceleration small synchronous wheel 2 are coaxially and fixedly installed, and the first-level deceleration small synchronous wheel 2 is connected with a second-level deceleration synchronous wheel 7 through another roll of synchronous belt 4 in a transmission way.
In the foregoing, the first-stage reduction ratio of the dc motor 1 to the first-stage large reduction synchronizing wheel 3 is the same as the second-stage reduction ratio of the first-stage small reduction synchronizing wheel 2 to the second-stage small reduction synchronizing wheel 7.
In the foregoing, the lower portions of the primary decelerating large synchronizing wheel 3 and the secondary decelerating synchronizing wheel 7 are disposed in the mounting square disk 5. The outer wall of the mounting square plate 5 is provided with a mounting fixing hole 10. The mounting square disc 5 is used for accommodating or supporting a direct current driving mechanism 12 which comprises a direct current motor 1, a synchronous belt 4, a primary speed reduction large synchronous wheel 3, a primary speed reduction small synchronous wheel 2 and a secondary speed reduction synchronous wheel 7.
In the above, the off-position sensor 6 is arranged from the middle shaft to the upper side of the outer edge of the secondary speed reduction synchronizing wheel 7.
In the foregoing, the upper side of the edge of the secondary speed reduction synchronizing wheel 7 is provided with a stop magnetic steel 8.
In the foregoing, the lower side shaft of the center shaft of the secondary speed reduction synchronizing wheel 7 is connected with a main shaft 9.
The embodiment of the utility model provides an in, 9 side hub connections door body link gear 11 of main shaft, door body link gear 11 are the radial three cantilever linking bridge of contained angle such as.
In the embodiment of the present invention, as shown in fig. 3, the waist-shaped mounting hole 10 of the mounting square plate 5 and the revolving door frame are fixed by the direct current driving mechanism 12 through the bolt connection; the main shaft 9 is connected with the shaft coupling and the door body for transmission through the door body linkage mechanism 11.
In the embodiment of the utility model, as shown in fig. 4, main direct current drive mechanism 12 is accomodate to installation square plate 5, moreover, including parts direct current drive mechanism 12 tops such as direct current motor 1 and off-position sensor 6, second grade speed reduction synchronizing wheel 7 expose at installation square plate 5 upper surface, the door body link gear 11 of main shaft 9 downward hub connection is passed through to installation square plate 5 downside.
The embodiment of the utility model provides an in, operating condition control process includes: the direct current motor 1 is powered on to start running, a synchronous belt 4 wheel on the direct current motor 1 rotates, a first-stage speed reduction large synchronous wheel 3 is transmitted through the synchronous belt 4 to drive, and at the moment, the first-stage speed is reduced through a mechanical speed reduction ratio. Meanwhile, the first-stage speed reduction small synchronous wheel 2 drives the second-stage speed reduction wheel to transmit, the rotating speed is reduced to 3 circles per minute through the speed reduction ratio, the speed can be finely adjusted through controlling a gear switch, so that the main shaft 9 is driven to circularly transmit at a constant speed, and the main shaft 9 is driven to rotate to the rotating door body to operate; and (3) controlling the stop state: and when the off-position switch is pressed down, the off-position sensor 6 feeds back a signal of the off-position magnetic steel 8 to the direct current motor 1 to stop or the direct current motor 1 immediately stops when the emergency stop switch is pressed down.
Claims (8)
1. The revolving door light-weight secondary speed reduction direct current motor driving device comprises a direct current motor (1), a primary speed reduction small synchronous wheel (2), a primary speed reduction large synchronous wheel (3), a synchronous belt (4), a stop sensor (6) and a secondary speed reduction synchronous wheel (7); the device is characterized in that the direct current motor (1) is connected with a primary speed reduction large synchronous wheel (3) through a roll of synchronous belt (4) in a transmission mode, the primary speed reduction large synchronous wheel (3) and a primary speed reduction small synchronous wheel (2) are coaxially and fixedly installed, and the primary speed reduction small synchronous wheel (2) is connected with a secondary speed reduction synchronous wheel (7) through another roll of synchronous belt (4) in a transmission mode.
2. The revolving door light-weight two-stage deceleration direct-current motor driving device according to claim 1, wherein a first-stage deceleration ratio of the direct-current motor (1) to the first-stage deceleration large synchronizing wheel (3) is the same as a second-stage deceleration ratio of the first-stage deceleration small synchronizing wheel (2) to the second-stage deceleration synchronizing wheel (7).
3. The revolving door lightweight two-stage deceleration dc motor drive device according to claim 1, wherein the lower portions of the first-stage deceleration large synchronizing wheel (3) and the second-stage deceleration synchronizing wheel (7) are provided in the mounting square plate (5).
4. The revolving door light-weight two-stage deceleration direct-current motor driving device according to claim 1, wherein a stop sensor (6) is installed from the center axis to the upper side of the outer edge of the two-stage deceleration synchronizing wheel (7).
5. The revolving door lightweight two-stage deceleration direct-current motor driving device according to claim 1, wherein a parking magnet steel (8) is installed on the upper side of the edge of the two-stage deceleration synchronizing wheel (7).
6. The revolving door lightweight two-stage deceleration direct-current motor driving device according to claim 1, wherein a lower side shaft of a center shaft of the two-stage deceleration synchronizing wheel (7) is connected with the main shaft (9).
7. The revolving door light-weight two-stage speed reduction direct current motor driving device according to claim 1, wherein a door body linkage mechanism (11) is connected to a lower side shaft of the main shaft (9), and the door body linkage mechanism (11) is an equal-included-angle radial three-cantilever connecting bracket.
8. The revolving door lightweight two-stage deceleration direct-current motor driving device according to claim 3, wherein the outer wall of the mounting square plate (5) is provided with a mounting fixing hole (10), and the mounting fixing hole (10) is waist-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963967.0U CN212656708U (en) | 2020-05-29 | 2020-05-29 | Revolving door lightweight two-stage speed reduction direct current motor driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963967.0U CN212656708U (en) | 2020-05-29 | 2020-05-29 | Revolving door lightweight two-stage speed reduction direct current motor driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212656708U true CN212656708U (en) | 2021-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020963967.0U Active CN212656708U (en) | 2020-05-29 | 2020-05-29 | Revolving door lightweight two-stage speed reduction direct current motor driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212656708U (en) |
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2020
- 2020-05-29 CN CN202020963967.0U patent/CN212656708U/en active Active
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