CN111891886B - Lifting equipment auxiliary device, lifting equipment - Google Patents
Lifting equipment auxiliary device, lifting equipment Download PDFInfo
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- CN111891886B CN111891886B CN202010788340.0A CN202010788340A CN111891886B CN 111891886 B CN111891886 B CN 111891886B CN 202010788340 A CN202010788340 A CN 202010788340A CN 111891886 B CN111891886 B CN 111891886B
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- transmission mechanism
- transmission
- lifting
- lifting equipment
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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
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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
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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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
- B66B11/0065—Roping
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an auxiliary device of lifting equipment, which comprises a transmission mechanism and an energy conversion mechanism, wherein the transmission mechanism comprises a transmission shaft and a transmission shaft; the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism, the power output end of the first transmission mechanism and the power output end of the second transmission mechanism are used for being in transmission connection with the energy conversion mechanism, the power input end of the first transmission mechanism is used for being in transmission connection with lifting equipment, and the second transmission mechanism is in transmission connection with the first transmission mechanism. The power output end of the first transmission mechanism and the power output end of the second transmission mechanism provide two different output interfaces, and two power directions can be provided for the lifting equipment through the energy conversion mechanism; the power input end of the first transmission structure is used as the public end, so that interfaces with equipment can be reduced, the possibility of structural damage of the auxiliary device of the lifting equipment during braking of the equipment is effectively reduced, the reliability of the auxiliary device of the lifting equipment is improved, and the starting and stopping of the lifting equipment such as an elevator are facilitated.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to the technical field of start and stop of elevators.
Background
A conventional vertical traction elevator, as shown in fig. 1, generally includes a traction sheave 4, a counterweight 5, and a car 6. When the elevator runs, the weight difference between the two sides of the car 6 and the counterweight 5 needs to be overcome, the travel resistance (friction force between guide rail guide shoes, car air resistance, rope pulley rotation inertia and the like) also needs to be overcome, particularly, when the elevator is started or braked, the motor needs to control the elevator to accelerate or decelerate, the elevator needs to be started or stopped by providing larger torque than in normal running, the motor needs to provide larger torque, the requirement on the motor is higher, and the corresponding manufacturing and maintenance cost is multiplied.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide an auxiliary device for a lifting device, which is more advantageous for starting and stopping the lifting device such as an elevator.
In order to achieve the purpose, the invention is realized according to the following technical scheme:
a lifting device auxiliary device is used for assisting in starting and/or stopping a lifting device with a driving device and comprises a transmission mechanism and an energy conversion mechanism used for converting kinetic energy of the lifting device; the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism, the power output end of the first transmission mechanism and the power output end of the second transmission mechanism are used for being in transmission connection with the energy conversion mechanism, the power input end of the first transmission mechanism is used for being in transmission connection with lifting equipment, and the second transmission mechanism is in transmission connection with the first transmission mechanism.
Preferably, one end of the energy conversion mechanism is provided with a first position connected with the output end of the first transmission mechanism, and the energy conversion mechanism is also provided with a second position connected with the output end of the second transmission mechanism; and the driving mechanism is used for driving one end of the energy conversion mechanism to move between the first position and the second position.
Preferably, the first transmission mechanism and the second transmission mechanism are both provided as a slider-crank mechanism, and the slider of the first transmission mechanism and the slider of the second transmission mechanism are respectively provided as a power output end of the first transmission mechanism and a power output end of the second transmission mechanism; the crank of the first transmission mechanism is arranged as a power input end of the first transmission mechanism, and the crank of the second transmission mechanism is driven by the first transmission mechanism to rotate.
Preferably, the crank of the first transmission mechanism is provided with a first gear section, the crank of the second transmission mechanism is provided with a second gear section, and the first gear section is meshed with the second gear section.
Preferably, the slider of the first transmission mechanism, the one end of the energy conversion mechanism, and the slider of the second transmission mechanism are provided in this order, and the driving mechanism is provided as an electromagnetic structure that moves the one end of the energy conversion mechanism between the slider of the first transmission mechanism and the slider of the second transmission mechanism.
Preferably, the electromagnetic structure is provided with an input end for receiving lifting information and start-stop information of the lifting device.
Preferably, the energy conversion mechanism comprises an energy storage member for converting kinetic energy and potential energy of the lifting equipment, and one end of the energy storage member is provided with a first connecting part for connecting with the first transmission mechanism and a second connecting part for connecting with the second transmission mechanism.
A lifting device comprises a driving device and the auxiliary device of the lifting device.
Preferably, the hoisting device is an elevator.
The lifting equipment comprises a driving device and the auxiliary device of the lifting equipment, wherein a third gear section is arranged on the driving device, a fourth gear section is further arranged on a crank of the first transmission mechanism, and the fourth gear section is meshed with the third gear section.
Compared with the prior art, the invention has the beneficial effects that:
1. the power output end of the first transmission mechanism and the power output end of the second transmission mechanism provide two different output interfaces, and two power directions can be provided for the lifting equipment through the energy conversion mechanism; the power input end of the first transmission structure is used as the public end, so that interfaces with equipment can be reduced, the possibility of structural damage of the auxiliary device of the lifting equipment during braking of the equipment is effectively reduced, the reliability of the auxiliary device of the lifting equipment is improved, and the starting and stopping of the lifting equipment such as an elevator are facilitated.
2. The lifting equipment is provided with the auxiliary device for the lifting equipment, so that the cost of the driving device can be reduced, and the starting and stopping effects of the lifting equipment are guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view showing a structure of a vertical traction elevator in the related art.
Fig. 2 is a schematic structural diagram of an auxiliary device of a lifting device and a lifting device according to an embodiment of the invention.
Fig. 3 is a schematic diagram of the auxiliary device of the lifting equipment and a car ascending braking state of the embodiment of the lifting equipment.
Fig. 4 is a schematic diagram of an auxiliary device of a lifting device and a car ascending starting state of an embodiment of the lifting device.
Fig. 5 is a schematic diagram of the auxiliary device of the lifting equipment and a car descending braking state of the embodiment of the lifting equipment.
Fig. 6 is a schematic diagram of a car descending starting state of an embodiment of the lifting equipment auxiliary device and the lifting equipment.
Wherein: 1-energy storage part, 11-first connecting part, 12-second connecting part, 21-first transmission mechanism, 22-second transmission mechanism, 211-first gear section, 221-second gear section, 3-driving mechanism, 4-traction wheel, 41-third gear section, 5-counterweight and 6-car.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 2 to 6, an auxiliary device for a lifting apparatus for assisting starting and/or stopping of a lifting apparatus having a driving device includes a transmission mechanism and an energy conversion mechanism for converting kinetic energy of the lifting apparatus, the conversion includes conversion into and conversion out, conversion into other energy into kinetic energy of the lifting apparatus, and conversion out of the kinetic energy of the lifting apparatus into other energy; the transmission mechanism comprises a first transmission mechanism 21 and a second transmission mechanism 22, a power output end of the first transmission mechanism 21 and a power output end of the second transmission mechanism 22 are used for being in transmission connection with the energy conversion mechanism, a power input end of the first transmission mechanism 21 is used for being in transmission connection with the lifting equipment, and the second transmission mechanism 22 is in transmission connection with the first transmission mechanism 21. If the elevator passes through fig. 3 and performs upward braking by using the power output end of the second transmission mechanism 22, if the energy storage member 1 in fig. 3 starts to store potential energy, if the power output end of the second transmission mechanism 22 is continuously used, a first power direction is provided, and a moment in a reverse direction is started to be applied to the traction sheave 4, if the moment in a clockwise direction is applied to the traction sheave 4 in fig. 3 and 6, so that the upward braking in fig. 3 and the downward starting in fig. 6 are facilitated; if the power output end of the first transmission mechanism 21 is replaced, a second power direction is provided, and a moment in a counterclockwise direction is given to the traction sheave 4 in fig. 4 and 5. In this case, the power input end of the first transmission mechanism 21 is used as a common end in transmission connection with the traction sheave 4 of the elevator, the power of the driving device such as the traction sheave 4 of the lifting equipment such as the elevator is large, and the equipment connecting part is used as the common end, so that a large power interface can be reduced, the possibility of structural damage is reduced, and the reliability of the auxiliary device of the lifting equipment is improved.
One end of the energy conversion mechanism is provided with a first position connected with the output end of the first transmission mechanism 21, and the energy conversion mechanism is also provided with a second position connected with the output end of the second transmission mechanism 22; the auxiliary device of the lifting equipment in the scheme further comprises a driving mechanism 3 for driving the output end of the first transmission mechanism 21 to move to a first position or driving the output end of the second transmission mechanism 22 to move to a second position, the movement comprises relative movement, namely one end comprising the energy conversion mechanism is fixed, and the output end of the first transmission mechanism 21 and the output end of the second transmission mechanism 22 move; or one end of the energy conversion mechanism moves, and the output end of the first transmission mechanism 21 and the output end of the second transmission mechanism 22 are fixed. By arranging the driving mechanism 3, one end of the energy conversion mechanism does not need to be manually converted to be connected with the output end of the first transmission mechanism 21 or the output end of the second transmission mechanism 22, and the conversion of the driving mechanism is more beneficial to automation. The drive mechanism can be arranged to be magnetically and/or mechanically driven.
The first transmission mechanism 21 and the second transmission mechanism 22 are both set as crank slider mechanisms, and the slider of the first transmission mechanism 21 and the slider of the second transmission mechanism 22 are respectively set as a power output end of the first transmission mechanism 21 and a power output end of the second transmission mechanism 22; the crank of the first transmission mechanism 21 is arranged as a power input end of the first transmission mechanism 21, and the crank of the second transmission mechanism 22 is driven by the first transmission mechanism 21 to rotate. The crank-slider mechanism comprises a crank as a power input end and a slider as a power output end, and after conversion, the slider end can be used as the power input end and the crank section can be used as the power output end. The slider of the first transmission mechanism 21, one end of the energy conversion mechanism, and the slider of the second transmission mechanism 22 are sequentially disposed, and the driving mechanism 3 is an electromagnetic structure that drives the slider of the first transmission mechanism 21 or the slider of the second transmission mechanism 22 to move relative to one end of the energy conversion mechanism. The power output direction of the sliding block is fixed, and the direction perpendicular to the power output direction can be used as the moving direction of one end of the energy conversion mechanism, so that the interference of unnecessary stress components of the sliding block is reduced, and the reliability of the equipment is improved.
The crank of the first transmission mechanism 21 is provided with a first gear section 211, the crank of the second transmission mechanism 22 is provided with a second gear section 221, and the first gear section 211 is meshed with the second gear section 221, so that the crank of the first transmission mechanism 21 and the crank of the second transmission mechanism 22 are stably and reliably connected in a transmission mode.
The electromagnetic structure is provided with an input end for receiving lifting information and start-stop information of the lifting equipment, can be used as input of the start-stop information of the elevator, and can provide a structure for realizing automation.
Example 2
Different from the embodiment 1, the energy conversion mechanism includes the energy storage member 1 for converting the kinetic energy and the potential energy of the lifting equipment, and one end of the energy storage member 1 is connected to the conversion connection portion. The energy storage part can store energy and release the stored energy again, and the kinetic energy of driving devices such as a traction sheave 4 of the elevator can be stored into potential energy firstly and then recovered into kinetic energy by matching with the reversing function of the power of the transmission mechanism, so that the loss of mechanical energy is reduced, and a closed-loop mechanism for converting the mechanical energy is provided.
One end of the energy storage part 1 is provided with a first connecting part 11 connected with the first transmission mechanism 21 and a second connecting part 12 connected with the second transmission mechanism 22, so that the mechanism at one end of the energy storage part 1 is simpler, and the space utilization rate of the energy storage part is improved. Clamping mechanisms are arranged between the first connecting portion 11 and the first transmission mechanism 21 and/or between the second connecting portion 12 and the second transmission mechanism 22, namely, one end of the energy conversion mechanism is connected with the conversion connecting portion in a clamping mode, and the connection is reliable and convenient to detach compared with modes such as magnetic force combination, threaded connection and butt connection.
The clamping mechanism comprises a first clamping tooth section and a second clamping tooth section, and the clamping tooth sections are simple in structure and reduce the processing and manufacturing cost.
Example 3
As shown in fig. 2 to 6, the lifting device comprises a driving device and further comprises the auxiliary device of the lifting device.
In this embodiment, the lifting device is an elevator.
Example 4
As shown in fig. 2 to 6, a lifting device includes a driving apparatus including a lifting device assisting apparatus including an energy conversion mechanism for converting kinetic energy of the lifting device, the conversion including conversion into and conversion out of, i.e., converting another energy into kinetic energy of the lifting device, and conversion out of, i.e., converting kinetic energy of the lifting device into another energy; the energy conversion device is characterized by further comprising a transmission mechanism, wherein the transmission mechanism is provided with a conversion connecting part used for being connected with the energy conversion mechanism, and the transmission mechanism is further provided with an equipment connecting part used for being connected with the lifting equipment. The transmission mechanism comprises a first transmission mechanism 21 and a second transmission mechanism 22, the conversion connecting part comprises an output end of the first transmission mechanism 21 and an output end of the second transmission mechanism 22, the equipment connecting part comprises an input end of the first transmission mechanism 21, and an input end of the second transmission mechanism 22 is connected with an input end of the first transmission mechanism 21.
The driving device is provided with a third gear segment 41, the crank of the first transmission mechanism 21 is also provided with a fourth gear segment, and the fourth gear segment is meshed with the third gear segment 41. The connection of the drive of the lifting device to the first transmission 21 is more stable and reliable. In this embodiment, the first gear segment 211 is provided as a full-circumference gear, and a part of the first gear segment 211 serves as a fourth gear segment.
In the case of converting kinetic energy of a lifting device such as an elevator into potential energy, when the lifting device auxiliary apparatus is used, as shown in a car up braking state of the elevator of fig. 3, the traction sheave 4 as a driving apparatus is provided with the third gear section 41 so as to be engaged with the first gear section 211 provided on the crank of the first transmission structure 21, and the first gear section 211 is engaged with the second gear section 221; at this time, the driving mechanism 3 of the electromagnetic structure can be set to attract one end of the compression spring serving as the energy storage member 1 to the second position connected to the slider of the second transmission mechanism 22 and be relatively fixed, so that the traction sheave 4 receives the reaction force of the compression spring serving as the energy storage member 1, the traction sheave 4, the counterweight 5, and the car 6 are gradually stopped, the kinetic energy is converted into the elastic potential energy of the compression spring serving as the energy storage member 1, and the mechanical energy is not wasted.
If the elevator is in a downward braking state as shown in fig. 5, except that the driving mechanism 3 of the electromagnetic structure can be set to attract one end of the compression spring as the energy storage member 1 to the first position connected to the slider of the first transmission mechanism 21, the compression spring as the energy storage member 1 can provide a reaction force for the downward elevator to convert the kinetic energy of the elevator into the elastic potential energy of the compression spring.
After the compression spring as the energy accumulating member 1 has elastic potential energy, for example, after the elastic potential energy is obtained by the braking method as described above, taking the upward starting state of the elevator of fig. 4 as an example, after the compression spring as the energy accumulating member 1 is compressed to have elastic potential energy, the driving mechanism 3 of the electromagnetic structure can be set to attract one end of the compression spring as the energy accumulating member 1 to a first position connected to the slider of the first transmission mechanism 21 to be relatively fixed, the traction sheave 4 receives moment in the starting direction of the compression spring as the energy accumulating member 1, and the elastic potential energy of the compression spring is converted into kinetic energy of the traction sheave 4, the counterweight 5, and the car 6 as the traction sheave 4 is started.
If the elevator is in the downward starting state as shown in fig. 6, the driving mechanism 3 of the electromagnetic structure can be set to attract one end of the compression spring as the energy storage member 1 to a second position connected to the slider of the second transmission mechanism 22 and fixed relatively, and the elastic potential energy of the compression spring can be converted into the kinetic energy of the traction sheave 4, the counterweight 5 and the car 6.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A lifting device auxiliary device is used for assisting in starting and/or stopping a lifting device with a driving device and is characterized by comprising a transmission mechanism and an energy conversion mechanism used for converting kinetic energy of the lifting device, wherein the energy conversion mechanism is of an energy storage type; the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism, the first transmission mechanism and the second transmission mechanism are both crank slider transmission mechanisms, a crank and a slider of each crank slider transmission mechanism are respectively a power input end and a power output end, the power output end of the first transmission mechanism and the power output end of the second transmission mechanism are used for being in transmission connection with one end of the energy conversion mechanism, the power input end of the first transmission mechanism is used for being in transmission connection with lifting equipment to rotate, and the power input end of the second transmission mechanism is in transmission connection with the power input end of the first transmission mechanism to rotate;
the lifting equipment auxiliary device comprises a first transmission mechanism, a second transmission mechanism, a lifting equipment auxiliary device and a driving mechanism, wherein a sliding block of the first transmission mechanism is provided with a first position and a third position which are connected with or separated from one end of an energy conversion mechanism, a sliding block of the second transmission mechanism is provided with a second position and a fourth position which are connected with or separated from the energy conversion mechanism, and the driving mechanism is used for driving the sliding block of the first transmission mechanism or the sliding block of the second transmission mechanism to be connected with one end of the energy conversion mechanism.
2. The lifting equipment auxiliary device according to claim 1, wherein the slide block of the first transmission mechanism and the slide block of the second transmission mechanism are respectively provided as a power output end of the first transmission mechanism and a power output end of the second transmission mechanism; the crank of the first transmission mechanism is arranged as a power input end of the first transmission mechanism, and the crank of the second transmission mechanism is driven by the first transmission mechanism to rotate.
3. The lift system assist of claim 2, wherein the first gear mechanism crank is provided with a first gear segment and the second gear mechanism crank is provided with a second gear segment, the first gear segment being in meshing engagement with the second gear segment.
4. The lift assist device of claim 2, wherein the slider of the first transmission mechanism, the one end of the energy conversion mechanism, and the slider of the second transmission mechanism are provided in this order, and the driving mechanism is provided as an electromagnetic structure that drives the one end of the energy conversion mechanism to move between the slider of the first transmission mechanism and the slider of the second transmission mechanism.
5. A lifting device aid according to claim 4 wherein the electromagnetic arrangement is provided with inputs for receiving lifting and start-stop information for the lifting device.
6. The lifting equipment auxiliary device according to claim 1, wherein the energy conversion mechanism comprises an energy storage member for converting kinetic energy and potential energy of the lifting equipment, and one end of the energy storage member is provided with a first connecting part for connecting with the first transmission mechanism and a second connecting part for connecting with the second transmission mechanism.
7. A lifting device comprising a drive means, characterized in that it further comprises a lifting device aid according to any one of claims 1 to 6.
8. A hoisting device as claimed in claim 7, characterized in that the hoisting device is an elevator.
9. A lifting device, comprising a driving device and the auxiliary device of claim 3, wherein the driving device is provided with a third gear segment, the crank of the first transmission mechanism is further provided with a fourth gear segment, and the fourth gear segment is engaged with the third gear segment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010788340.0A CN111891886B (en) | 2020-08-07 | 2020-08-07 | Lifting equipment auxiliary device, lifting equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010788340.0A CN111891886B (en) | 2020-08-07 | 2020-08-07 | Lifting equipment auxiliary device, lifting equipment |
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| CN111891886A CN111891886A (en) | 2020-11-06 |
| CN111891886B true CN111891886B (en) | 2022-02-01 |
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| CN202010788340.0A Active CN111891886B (en) | 2020-08-07 | 2020-08-07 | Lifting equipment auxiliary device, lifting equipment |
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| CN112850428A (en) * | 2020-12-30 | 2021-05-28 | 顺德职业技术学院 | Elevator capable of running stably |
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| WO2006001075A1 (en) * | 2004-06-25 | 2006-01-05 | Mitsubishi Denki Kabushiki Kaisha | Elevator |
| CN2873738Y (en) * | 2006-02-20 | 2007-02-28 | 四川广元红轮机械有限责任公司 | Energy saving lift device |
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