CN116986427A - Test device of elevator traction system - Google Patents
Test device of elevator traction system Download PDFInfo
- Publication number
- CN116986427A CN116986427A CN202310524197.8A CN202310524197A CN116986427A CN 116986427 A CN116986427 A CN 116986427A CN 202310524197 A CN202310524197 A CN 202310524197A CN 116986427 A CN116986427 A CN 116986427A
- Authority
- CN
- China
- Prior art keywords
- traction
- test device
- rotating shaft
- elevator
- traction system
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 22
- 238000013016 damping Methods 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 claims description 17
- 230000005284 excitation Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a test device of an elevator traction system, which comprises: a traction motor; a traction sheave mounted on an output shaft of the traction motor; a drum disposed directly below the traction motor; the traction rope is wound on the winding drum and bypasses the traction wheel, and the traction wheel is driven by the traction motor to drive the traction rope to run and enable the winding drum to rotate to pay out; and a damping applying mechanism for providing a torque to the spool against rotation in the paying-out direction and capable of adjusting the torque.
Description
Technical Field
The invention relates to the technical field of elevator performance test, in particular to a test device of an elevator traction system.
Background
The traction system usually comprises a traction rope and a traction motor, and the traction system of the elevator is a core key component, and is required to be tested and tested for operation of the elevator in terms of operation effect, safety and service life of the elevator.
In the prior art, the traction system is tested mainly in the following two modes:
the first way is: and constructing the same operation environment as that of a real elevator, thereby obtaining various data of traction system operation. This approach, while capable of obtaining true, accurate operational data, is however, space consuming to test, e.g., requiring construction of an elevator hoistway, and is costly.
The second way is: the lift car is simulated by applying load to the traction rope by using equipment such as a spring, an oil cylinder and the like, the occupied space is small, the cost is low, however, the measured data are very different from the real running data, and at least the reason is that: the spring and the oil cylinder can only provide static load basically, and the influence of the constant speed, acceleration, deceleration and braking states of the car on the hoisting ropes and the hoisting motor is difficult to measure.
Disclosure of Invention
Aiming at the technical problems in the prior art, the embodiment of the invention provides a test device of an elevator traction system.
In order to solve the technical problems, the technical scheme adopted by the embodiment of the invention is as follows:
a test apparatus for an elevator traction system, comprising:
a traction motor;
a traction sheave mounted on an output shaft of the traction motor;
a drum disposed directly below the traction motor;
the traction rope is wound on the winding drum and bypasses the traction wheel, and the traction wheel is driven by the traction motor to drive the traction rope to run and enable the winding drum to rotate to pay out;
and a damping applying mechanism for providing a torque to the spool against rotation in the paying-out direction and capable of adjusting the torque.
Preferably, the two ends of the winding drum are fixedly provided with a first rotating shaft and a second rotating shaft; the damping applying mechanism acts on the first rotating shaft.
Preferably, the test device of the elevator traction system further comprises a braking mechanism acting on the second shaft to provide braking for the drum.
Preferably, the damping applying mechanism:
the rotor is fixedly sleeved on the first rotating shaft;
the stator is sleeved outside the rotor;
an electromagnetic excitation member disposed between the rotor and the stator to enable the stator to provide magnetic torque to the rotor.
Preferably, the braking mechanism comprises a fixing frame, an electromagnet arranged in the fixing frame, a permanent magnet arranged in the fixing frame and a braking disc connected with the permanent magnet and facing the outer peripheral surface of the second rotating shaft, wherein the braking disc is tightly contacted with the second rotating shaft by providing magnetic force for the permanent magnet through the electromagnet so as to provide braking force for the second rotating shaft.
Preferably, the winding drum is mounted on a support frame which is horizontally matched with the sliding rail in a sliding way through a sliding block; the lateral part of support frame is provided with flexible jar, flexible jar is used for driving the support frame slides so that the reel forms the horizontal oscillation state.
Preferably, an adjusting frame is arranged on one side of the traction sheave, and is provided with an arc-shaped guide groove which is concentric with the traction sheave;
the servo motor is arranged at the adjusting frame, a recovery wheel is arranged on the servo motor, the far end of the traction rope is connected to the recovery wheel, and the servo motor is used for providing pre-tightening for the traction rope by driving the recovery wheel; and adjusting the wrap angle of the traction rope on the traction wheel by adjusting the position of the recovery wheel along the arc-shaped guide groove.
Preferably, the spool comprises a main body spool portion, a first stop ring and a second stop ring; the first baffle ring and one end of the main body cylinder part are integrally formed, and the other end of the main body cylinder part is radially outwards provided with a connecting lug which is connected with the second baffle ring through a fastener; the second retainer ring is separated from the main body cylinder portion by twisting and breaking the connecting lugs.
Preferably, the braking mechanism comprises two symmetrically arranged.
Preferably, the first rotating shaft and the second rotating shaft are both provided with bearing seats.
Compared with the prior art, the test device of the elevator traction system has the beneficial effects that:
the test device utilizes the winding drum paying-off and damping applying mechanism and the braking mechanism to simulate the lifting of the lift car, so that various data of a traction system during operation are obtained, and the cost is lower under the space occupied by the test device.
An overview of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar components. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the inventive embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.
Fig. 1 is a schematic structural view of a test apparatus of an elevator traction system according to an embodiment of the present invention.
Fig. 2 is a view in the direction a of fig. 1.
Fig. 3 is a view in the direction C of fig. 2.
Fig. 4 is a D-view of fig. 2.
Fig. 5 is a view in the B direction of fig. 1.
Reference numerals:
10-dragging a motor; 20-traction sheave; 30-hoisting ropes; 40-winding drum; 41-a main body barrel; 42-a first baffle ring; 43-a second baffle ring; 44-connecting lugs; 45-supporting frames; 46-a telescopic cylinder; 471-slide; 472-slide rail; 51-a first rotating shaft; 52-a second rotating shaft; 53-bearing seats; 60-a damping applying mechanism; 61-rotor; 62-stator; 70-a braking mechanism; 71-a fixing frame; 72-an electromagnet; 73-permanent magnets; 74-brake disc; 75-springs; 80-adjusting the frame; 81-an arc-shaped guide slot; 82-a recovery wheel; 83-servo motor.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In order to keep the following description of the embodiments of the present invention clear and concise, the detailed description of known functions and known components thereof have been omitted.
As shown in fig. 1 to 5, an embodiment of the present invention discloses a test apparatus of an elevator traction system, the test apparatus comprising: traction motor 10, traction sheave 20, traction rope 30, reel 40, adjusting frame 80, recovery sheave 82, servo motor 83, damping applying mechanism 60, braking mechanism 70, a plurality of sensors, and the like.
As shown in fig. 1, a traction motor 10 is fixedly provided, and a traction sheave 20 is mounted on an output shaft of the traction motor 10; the drum 40 is disposed right under the traction sheave 20, so that the drum 40 is not excessively spaced from the traction sheave 20, and one end of the traction rope 30 is wound on the drum 40; as shown in fig. 1 and 5, the adjusting frame 80 is fixed at the side of the traction sheave 20, the adjusting frame 80 has an arc-shaped guide slot 81, the arc-shaped guide slot 81 is concentric with the traction sheave 20, the servo motor 83 is arranged on the adjusting frame 80, the recovery wheel 82 is arranged on the output shaft of the servo motor 83, the recovery wheel 82 and the servo motor 83 can adjust the position along the arc-shaped guide slot 81, the other end of the traction rope 30 passes through the arc-shaped guide slot 81 and is wound on the recovery wheel 82, the servo motor 83 provides a certain rotation power for the recovery wheel 82, so that the recovery wheel 82 generates a certain pulling force on the traction rope 30, the traction rope 30 is coated on the traction sheave 20, and the wrap angle of the traction rope 30 on the traction sheave 20 can be adjusted by adjusting the position of the recovery wheel 82.
As can be appreciated, the payout is performed by the traction sheave 20 being driven to rotate by the traction motor 10 such that the traction sheave 20 drives the hoist rope 30 to run and the spool 40 is rotated.
As shown in fig. 2, 3, and 4, the spool 40 specifically includes a main body spool portion 41, a first stopper ring 42, and a second stopper ring 43; the hoist rope 30 is wound around the main body drum 41, the first stopper ring 42 is located at one end of the main body drum 41 and integrally formed with the main body drum 41, the second stopper ring 43 is located at the other end of the main body drum 41, a plurality of circumferentially arranged connection lugs 44 extending radially outwards are formed at the end of the main body drum 41, the connection lugs 44 are connected with the second stopper ring 43 through fasteners, and when the winding drum 40 encounters an excessive impact load, the connection lugs 44 are torn and broken, so that the second stopper ring 43 is separated from the main body drum 41.
The outer side of the first baffle ring 42 is provided with a first rotating shaft 51, the outer side of the second baffle ring 43 is provided with a second rotating shaft 52, and the first rotating shaft 51 and the second rotating shaft 52 are coaxial with the winding drum 40; the first and second shafts 51 and 52 are provided with bearing blocks 53 for supporting the spool 40 and enabling the spool 40 to be rotatable.
The damping applying mechanism 60 is provided on the first rotating shaft 51 and is used for acting on the first rotating shaft 51, specifically, the damping applying mechanism 60 is used for providing torsion force to the first rotating shaft 51, the torsion force is opposite to the rotation direction of the winding drum 40 during paying-off, that is, the damping applying mechanism 60 is used for providing impedance for paying-off the winding drum 40, and the damping applying mechanism 60 can adjust the provided torsion force, so that the winding drum 40 is loaded by the damping applying mechanism 60, and the load is adjustable, thereby realizing the adjustment of the loads of the traction sheave 20 and the traction sheave 20, so that the winding drum 40 corresponds to a car, the load applied by the damping applying mechanism 60 corresponds to the load applied by the car to the traction rope 30 and the traction sheave 20, and the paying-off process of the winding drum 40 corresponds to the lifting process of the car.
The braking mechanism 70 is provided at the second spindle 52 and acts on the second spindle 52, and the braking mechanism 70 is used to rapidly brake the second spindle 52, so that the paying-off process of the spool 40 is stopped immediately, and thus the braking mechanism 70 corresponds to the braking mechanism 70 of the car.
The damping mechanism 60 described above specifically includes: a rotor 61, a stator 62, and electromagnetic excitation members; the rotor 61 is fixedly sleeved on the first rotating shaft 51, the stator 62 is sleeved outside the rotor 61, the electromagnetic excitation component comprises an iron core and an electromagnetic coil, the iron core is arranged on the rotor 61, and the electromagnetic coil is arranged on the inner wall of the positioning; after the solenoid is energized, the stator 62 generates a torque force on the rotor 61 and thus on the spool 40. The torque applied to the spool 40 can be adjusted by adjusting the current to the solenoid.
The above-described brake mechanism 70 specifically includes a fixed frame 71, an electromagnet 72 provided in the fixed frame 71, a permanent magnet 73 provided in the fixed frame 71, and a brake disc 74 connected to the permanent magnet 73 and directed toward the outer peripheral surface of the second rotating shaft 52, the brake disc 74 being brought into close contact with the second rotating shaft 52 by the electromagnet 72 to provide a braking force to the second rotating shaft 52, and the brake disc 74 being separated from the second rotating shaft 52 by a restoring force of a spring 75.
The spool 40, the damping applying mechanism 60, the braking mechanism 70 and the like are mounted on the support frame 45, and the support frame 45 is in sliding fit with the test floor by the sliding block 471 being matched with the sliding rail 472, the side part of the support frame 45 is provided with the telescopic cylinder 46, and the telescopic cylinder 46 is used for driving the support frame 45 to slide so that the spool 40 is in a horizontal swinging state. Thus, the swing of the car at the time of lifting can be simulated by driving the drum 40 to swing by the telescopic cylinder 46.
Torque sensors are installed on the traction motor 10, the first and second shafts 51 and 52 for measuring torque, displacement sensors are installed on the drum 40 and the traction sheave 20 for measuring the running displacement of the hoist rope 30, and angle sensors are installed on the drum 40 and the traction sheave 20 for measuring angular velocity (or rotational speed).
The working principle of the test device described above is described below.
The traction motor 10 drives the traction sheave 20 to rotate so as to drive the winding drum 40 to rotate and pay out, the recovery sheave 82 winds the traction rope 30 again through rotation, torsion is applied to the winding drum 40 through the damping applying mechanism 60, and then the winding drum 40 is loaded in the paying-off process, so that the lifting process of a car is simulated, the loaded load is regulated through the damping applying mechanism 60, the lifting process of the car under different loads is simulated, emergency braking is performed on the winding drum 40 through the braking mechanism 70, and thus the emergency braking of the car is simulated. The drum 40 is driven to oscillate by the telescopic cylinder 46 to simulate the oscillation of the car during lifting.
In addition, the effect of breaking the coupling lugs 44 at the main body drum 41 and the second stopper ring 43 of the drum 40 can be obtained by increasing the pulling force of the traction sheave 20 on the traction rope 30 and increasing the rotational speed of the drum 40 and then applying abrupt braking to the drum 40, thereby simulating the breaking of the traction rope 30.
The parameters of speed, torsion and the like in the simulation process can be obtained through a sensor.
The key advantages of the test device provided by the invention are at least as follows:
the test device utilizes the winding drum 40 to pay out, the damping applying mechanism 60 and the braking mechanism 70 to simulate the lifting of the car, so that various data of a traction system during operation are obtained, and the cost is low under the space occupied by the test device.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (10)
1. A test device for an elevator traction system, comprising:
a traction motor;
a traction sheave mounted on an output shaft of the traction motor;
a drum disposed directly below the traction motor;
the traction rope is wound on the winding drum and bypasses the traction wheel, and the traction wheel is driven by the traction motor to drive the traction rope to run and enable the winding drum to rotate to pay out;
and a damping applying mechanism for providing a torque to the spool against rotation in the paying-out direction and capable of adjusting the torque.
2. The test device of an elevator traction system according to claim 1, wherein both ends of the drum are fixedly provided with a first rotating shaft and a second rotating shaft; the damping applying mechanism acts on the first rotating shaft.
3. The test device for an elevator traction system of claim 2, further comprising a braking mechanism acting on the second shaft to provide braking for the drum.
4. The test device of an elevator traction system according to claim 2, wherein the damping applying mechanism:
the rotor is fixedly sleeved on the first rotating shaft;
the stator is sleeved outside the rotor;
an electromagnetic excitation member disposed between the rotor and the stator to enable the stator to provide magnetic torque to the rotor.
5. The test device of the elevator traction system according to claim 3, wherein the braking mechanism comprises a fixing frame, an electromagnet provided in the fixing frame, a permanent magnet provided in the fixing frame, and a brake disc connected to the permanent magnet and facing an outer circumferential surface of the second rotating shaft, the brake disc being brought into close contact with the second rotating shaft by the electromagnet to provide a magnetic force to the permanent magnet to provide a braking force to the second rotating shaft.
6. The test device of an elevator traction system according to claim 1, wherein the reel is mounted on a support frame that is horizontally slidably engaged with a slide rail by a slider; the lateral part of support frame is provided with flexible jar, flexible jar is used for driving the support frame slides so that the reel forms the horizontal oscillation state.
7. The test device of an elevator traction system according to claim 1, wherein an adjusting frame is provided at one side of the traction sheave, the adjusting frame having an arc-shaped guide groove concentric with the traction sheave;
the servo motor is arranged at the adjusting frame, a recovery wheel is arranged on the servo motor, the far end of the traction rope is connected to the recovery wheel, and the servo motor is used for providing pre-tightening for the traction rope by driving the recovery wheel; and adjusting the wrap angle of the traction rope on the traction wheel by adjusting the position of the recovery wheel along the arc-shaped guide groove.
8. The test device of an elevator traction system of claim 3, wherein the spool comprises a main body spool portion, a first stop ring, and a second stop ring; the first baffle ring and one end of the main body cylinder part are integrally formed, and the other end of the main body cylinder part is radially outwards provided with a connecting lug which is connected with the second baffle ring through a fastener; the second retainer ring is separated from the main body cylinder portion by twisting and breaking the connecting lugs.
9. The test device of an elevator traction system according to claim 3, wherein the braking mechanism comprises two symmetrically arranged.
10. The test device of an elevator traction system according to claim 2, wherein bearing seats are provided at both the first and second rotating shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310524197.8A CN116986427A (en) | 2023-05-10 | 2023-05-10 | Test device of elevator traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310524197.8A CN116986427A (en) | 2023-05-10 | 2023-05-10 | Test device of elevator traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116986427A true CN116986427A (en) | 2023-11-03 |
Family
ID=88532812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310524197.8A Pending CN116986427A (en) | 2023-05-10 | 2023-05-10 | Test device of elevator traction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116986427A (en) |
-
2023
- 2023-05-10 CN CN202310524197.8A patent/CN116986427A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6234275B1 (en) | Elevator drive machine having rotating traction sheave between rotors of multiple motors along the axis of rotation | |
| EP2138441A1 (en) | Elevator hoist | |
| KR100208425B1 (en) | Elevator equipment | |
| JP2009526723A (en) | Elevator brake condition test | |
| JP3936578B2 (en) | Elevator hoisting machine and control system | |
| US7637357B2 (en) | Elevator apparatus with sheave rotational speed difference determination for detecting an abnormality | |
| CN101460387A (en) | Lift actuator | |
| JPH07149487A (en) | Rail brake gear for linear motor type elevator | |
| EP2810911A1 (en) | A drive machine for an elevator and an elevator | |
| CN1013761B (en) | Braking device for elevator winding machine and elevator using the braking device | |
| WO2010050434A1 (en) | Elevator | |
| US5156239A (en) | Disc brake/load weighing assembly for elevator drive sheave | |
| FI123612B (en) | Method and apparatus for measuring the load of the basket of a drive pulley elevator | |
| JP4643825B2 (en) | Braking method for traction sheave elevator | |
| CN116986427A (en) | Test device of elevator traction system | |
| EP1818306B1 (en) | Elevator hoisting machine | |
| KR20070065294A (en) | Brake auxiliary device of elevator | |
| EP3753891A1 (en) | Emergency braking apparatus | |
| JP2875456B2 (en) | Elevator equipment | |
| CN101565141B (en) | Elevator device | |
| SG188046A1 (en) | Traction machine for elevator | |
| WO2011146076A1 (en) | Brake for elevator | |
| EP1845052B1 (en) | Hoist of elevator | |
| WO2021014246A1 (en) | Apparatus and method for monitoring a traction unit of a lifting plant | |
| JP2009132471A (en) | Hoist system for elevator, and elevator device |
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 |