CN111089696B - Elevator guide shoe vibration test bench and test method thereof - Google Patents
Elevator guide shoe vibration test bench and test method thereof Download PDFInfo
- Publication number
- CN111089696B CN111089696B CN201911397306.4A CN201911397306A CN111089696B CN 111089696 B CN111089696 B CN 111089696B CN 201911397306 A CN201911397306 A CN 201911397306A CN 111089696 B CN111089696 B CN 111089696B
- Authority
- CN
- China
- Prior art keywords
- guide shoe
- vibration
- guide rail
- elevator
- direction moving
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to an elevator guide shoe vibration test board and a test method thereof, wherein the test method comprises the following steps: a load-bearing platform; the adjusting and measuring device is arranged on the bearing platform and is used for loading the guide shoe to be measured; the force measuring sensor is arranged on the adjusting and measuring device, and the acceleration sensor is used for being installed on the guide shoe to be measured; and the track simulation device is arranged on the bearing platform and comprises a guide rail in sliding fit with the guide shoe to be tested, a vibration simulator arranged on the guide rail and a driving device for driving the guide rail to rotate. This boots vibration test platform is led to elevator is applicable in the ground laboratory, need not to adopt main equipment such as actual elevator and experimental tower, can save a large amount of experimental preparation, steps such as debugging, effectively reduces the test cost, experimental cycle and the operation degree of difficulty, does benefit to the high efficiency and carries out the work of boots vibration isolation ability test is led to the elevator.
Description
Technical Field
The invention relates to the technical field of elevator reliability testing, in particular to an elevator guide shoe vibration test board and a test method thereof.
Background
With the continuous improvement of the economic level of China, the building construction in various regions is greatly advanced, and the demand for elevators is increased day by day. Meanwhile, people also put higher demands on the riding comfort and safety of the elevator. In order to improve the comfort of passengers in the elevator, guide shoes are usually installed between the car frame and the guide rails to reduce the horizontal vibration of the elevator. Because the vibration isolation capability of the guide shoe directly influences the transverse vibration acceleration of the elevator car and further influences riding comfort, whether the vibration isolation capability of the guide shoe meets the vibration requirement is particularly important. Therefore, the vibration isolation performance test of the guide shoe is required.
The existing test mode is that a guide shoe is usually installed on an actual elevator and then runs on a test tower, and parameters such as vibration acceleration of the guide shoe, abrasion of elastic materials such as a shoe lining and a roller of the guide shoe and the like are tested in the process.
Disclosure of Invention
Based on this, it is necessary to provide an elevator guide shoe vibration test bench and a test method thereof, and the elevator guide shoe vibration test bench and the test method thereof are used for solving the problems of high test cost, long test period and difficulty in operation in the prior art.
The technical scheme is as follows:
on the one hand, this application provides a boots vibration test platform is led to elevator, and it includes:
a load-bearing platform;
the adjusting and measuring device is arranged on the bearing platform and is used for loading the guide shoe to be measured;
the force measuring sensor is arranged on the adjusting and measuring device, and the acceleration sensor is used for being installed on the guide shoe to be measured; and
the track simulation device is arranged on the bearing platform and comprises a guide rail in sliding fit with the guide shoe to be tested, a vibration simulator arranged on the guide rail and a driving device for driving the guide rail to rotate.
The elevator guide shoe vibration test bench with the scheme can be suitable for testing and evaluating the vibration isolation capability of the guide shoe in a ground laboratory, and achieves the purposes of convenience and quick test, and meanwhile, the cost is reduced and the operation difficulty is reduced. Specifically, during test operation, firstly, the guide shoe to be tested is mounted on a regulating and testing device, and the regulating and testing device is regulated to enable the guide shoe to be tested to be tightly pressed with the guide rail and generate a required pre-pressing amount (for example, 5 mm); then respectively starting the vibration simulator to enable the guide rail to simulate vibration excitation generated in actual operation, starting the driving equipment to drive the guide rail to rotate, and simulating the relative motion of the guide rail and the guide shoe to be tested in the actual operation; then, the vibration transfer force borne by the guide shoe to be tested can be accurately detected by the aid of the force measuring sensor, the vibration acceleration value of the guide shoe to be tested can be accurately detected by the aid of the acceleration sensor, the vibration transfer load can be calculated according to the vibration transfer force, the excitation load can be calculated according to the vibration acceleration value, then the ratio of the vibration transfer load to the excitation load can be calculated, and the vibration transfer coefficient for evaluating the vibration isolation performance of the guide shoe to be tested can be obtained. This boots vibration test platform is led to elevator is applicable in the ground laboratory, need not to adopt main equipment such as actual elevator and experimental tower, can save a large amount of experimental preparation, steps such as debugging, effectively reduces the test cost, experimental cycle and the operation degree of difficulty, does benefit to the high efficiency and carries out the work of boots vibration isolation ability test is led to the elevator.
The technical solution of the present application is further described below:
in one embodiment, the adjusting and measuring device comprises a support, a Y-direction moving module arranged on the support, and an X-direction moving module arranged on the Y-direction moving module, the guide shoe to be measured is used for being loaded on the X-direction moving module, the load cell is arranged on the X-direction moving module, and the guide shoe to be measured is used for being loaded on the load cell.
In one embodiment, the X-direction moving module and the Y-direction moving module have the same structure, and each of the X-direction moving module and the Y-direction moving module includes a fixing plate, a screw rod disposed on the fixing plate, a slider sleeved on the screw rod, and a carrier plate connected with the slider.
In one embodiment, the X-direction moving module and the Y-direction moving module respectively comprise a hand wheel, and the hand wheels are connected with the end parts of the screw rods; or the X-direction moving module and the Y-direction moving module respectively comprise a driving piece for outputting rotary power, and the driving pieces are connected with the screw rod.
In one embodiment, the guide rail is a circular disc-shaped structure; the drive device comprises a mounting seat, a drive source and a transmission assembly, wherein the drive source is arranged on the mounting seat and used for outputting rotary power, the transmission assembly is connected with the drive source, and the guide rail is connected with the transmission assembly.
In one embodiment, the transmission assembly includes a driving wheel connected to the driving source, a stand disposed on the carrying platform, a driven wheel disposed on the stand, and a transmission belt sleeved on the driving wheel and the driven wheel.
In one embodiment, the diameter of the driving wheel is smaller than the diameter of the driven wheel.
In one embodiment, the driving wheel and the driven wheel are both synchronous wheels, and the transmission belt is a synchronous belt which is in meshing transmission fit with the two synchronous wheels.
In one embodiment, the guide wheel has a flange with three surfaces each having a sinusoidal shape.
In one embodiment, the vibration simulator is two and symmetrically arranged on two opposite sides of the flange.
In one embodiment, the elevator guide shoe vibration test bench further comprises a control cabinet, and the load cell, the acceleration sensor, the vibration simulator and the driving device are electrically connected with the control cabinet respectively.
In addition, this application still provides a test method of elevator guide shoe vibration test platform, and it includes following step:
installing a guide shoe to be tested on a regulating and testing device, and regulating the regulating and testing device to enable the guide shoe to be tested to be tightly pressed with a guide rail;
starting a vibration simulator pre-installed on the guide rail to enable the guide rail to generate excitation;
starting a driving device to drive the guide rail to rotate relative to the guide shoe to be tested;
measuring and collecting the vibration transmission force of the guide shoe to be measured by using a force transducer, and measuring and collecting the vibration acceleration of the guide shoe swing arm to be measured by using an acceleration transducer;
and calculating to obtain a vibration transmission load according to the vibration transmission force, calculating to obtain an excitation load according to the vibration acceleration, and calculating the ratio of the vibration transmission load to the excitation load to obtain a vibration transmission coefficient.
Drawings
Fig. 1 is a schematic structural diagram of an elevator guide shoe vibration test platform according to an embodiment of the present invention;
fig. 2 is an assembly structure diagram of the debugging device and the guide shoe to be tested according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a driving apparatus according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating steps of a method for testing an elevator shoe vibration test bed according to an embodiment of the present invention.
Description of reference numerals:
10. a load-bearing platform; 20. a testing device; 21. a support; 22. a Y-direction moving module; 23. an X-direction moving module; 30. a guide shoe to be tested; 40. a force sensor; 50. an acceleration sensor; 60. a track simulator; 61. a guide rail; 62. a vibration simulator; 63. a drive device; 631. a mounting seat; 632. a drive source; 633. a driving wheel; 634. erecting a frame; 635. a driven wheel; 636. a transmission belt; 70. a control cabinet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to," "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.
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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1, for the elevator guide shoe vibration test platform that shows of this application for an embodiment, it includes: the load-bearing platform 10, the adjusting and measuring device 20, the load cell 40, the acceleration sensor 50 and the track simulation device 60. The bearing platform 10 is used for bearing and fixing the adjusting and measuring device 20, the force measuring sensor 40, the acceleration sensor 50 and the track simulation device 60, so that the elevator guide shoe vibration test platform has an integrated structure and is convenient to manage and use. The adjusting and testing device 20 is used for loading the guide shoe 30 to be tested and adjusting the position of the guide shoe 30 to be tested, so that the guide shoe 30 to be tested is tightly pressed with the track simulation device 60. The load cell 40 is used for testing the vibration transmission force applied by the rail simulator 60 to the guide shoe 30 to be tested, so as to obtain the vibration transmission load. The acceleration sensor 50 is used for measuring a real-time acceleration value received by the guide shoe 30 to be measured so as to obtain an excitation load. The rail simulation device 60 is used for simulating a straight rail mechanism in the actual operation of the elevator as the name implies, and is in guiding fit with the guide shoe 30 to be tested.
Referring to fig. 2, in detail, the adjusting and measuring device 20 is disposed on the supporting platform 10 and is used for loading the guide shoe 30 to be measured; the force sensor 40 is arranged on the adjusting and measuring device 20, and the acceleration sensor 50 is used for being mounted on the guide shoe 30 to be measured; the track simulation device 60 is disposed on the bearing platform 10, and the track simulation device 60 includes a guide rail 61 for sliding fit with the guide shoe 30 to be tested, a vibration simulator 62 disposed on the guide rail 61, and a driving device 63 for driving the guide rail 61 to rotate.
In this scheme, adopt the difference of large-scale test equipment such as actual elevator and test tower in the tradition to be in, the elevator of this application is led boots vibration test platform and is possessed small, possesses the advantage that can be applicable to the ground laboratory. In order to facilitate carrying, mounting and dismounting and prolong the service life, the bearing platform 10 is preferably integrally made of stainless steel plates, and the bearing platform 10 is provided with a carrying handle for carrying and transporting. In addition, a plurality of T-shaped grooves are formed in the upper surface of the bearing platform 10, so that the adjusting and measuring device 20 and the track simulation device 60 can be locked and fixed by bolts flexibly according to test requirements. Of course, the adjusting device 20 and the track simulator 60 can be assembled and fixed to the platform 10 by other mounting structures in the prior art, such as but not limited to a snap connection, a magnetic connection, a rivet connection, and the like.
To sum up, the implementation of the technical scheme of the application has the following beneficial effects: the elevator guide shoe vibration test bench with the scheme can be suitable for testing and evaluating the vibration isolation capability of the guide shoe in a ground laboratory, and achieves the purposes of convenience and quick test, and meanwhile, the cost is reduced and the operation difficulty is reduced. Specifically, during the test operation, the guide shoe 30 to be tested is first mounted on the adjusting and testing device 20, and the adjusting and testing device 20 is adjusted to press the guide shoe 30 to be tested against the guide rail 61 and generate a required pre-pressing amount (for example, 5 mm); then respectively starting the vibration simulator to enable the guide rail 61 to simulate vibration excitation generated in actual operation, starting the driving equipment 63 to drive the guide rail 61 to rotate, and simulating relative motion of the guide rail 61 and the guide shoe 30 to be tested in actual operation; then, the force transducer 40 can be used for accurately detecting the vibration transfer force applied to the guide shoe 30 to be tested, the acceleration sensor 50 can be used for accurately detecting the vibration acceleration value of the guide shoe 30 to be tested, the vibration transfer load can be calculated according to the vibration transfer force, the excitation load can be calculated according to the vibration acceleration value, then the ratio of the vibration transfer load to the excitation load can be calculated, and the vibration transfer coefficient for evaluating the vibration isolation performance of the guide shoe 30 to be tested can be obtained. This boots vibration test platform is led to elevator is applicable in the ground laboratory, need not to adopt main equipment such as actual elevator and experimental tower, can save a large amount of experimental preparation, steps such as debugging, effectively reduces the test cost, experimental cycle and the operation degree of difficulty, does benefit to the high efficiency and carries out the work of boots vibration isolation ability test is led to the elevator.
With reference to fig. 1, in addition, in order to realize the automatic operation of the test bench, in an embodiment, the elevator guide shoe vibration test bench further includes a control cabinet 70, and the load cell 40, the acceleration sensor 50, the vibration simulator 62 and the driving device 63 are electrically connected to the control cabinet 70 respectively. The control cabinet 70 can automatically control the functional components to perform test operation according to a preset program, so that less-humanized or even unmanned test operation is achieved, the test efficiency is easier to improve, and the precision of the test result is ensured.
In the present embodiment, the guide rail 61 has a circular disc-shaped structure; it makes the periphery of guide rail 61 replace traditional vertical bar straight guide rail 61 through rotatory mode perfectly, and only need guide rail 61 rotatory and the guide shoe 30 that awaits measuring can fix motionless this moment, and experimental condition requires lowly, and cooperation simple structure, required working space is less, more is fit for in the limited occasion in space such as ground laboratory. A plurality of through-hole along hoop evenly distributed is seted up at the middle part of guide rail 61, but certain degree reduction in weight reduces the manufacturing consumptive material, saves the cost, promotes the rotatory dynamic balance ability of guide rail 61 simultaneously, guarantees to rotate stably.
Referring to fig. 1 and fig. 3, the driving apparatus 63 includes a mounting base 631, a driving source 632 disposed on the mounting base 631 and used for outputting a rotating power, and a transmission assembly connected to the driving source 632, wherein the guide rail 61 is connected to the transmission assembly. The bottom of the mounting seat 631 can be quickly assembled and fixed with the bearing platform 10 through bolts, and the mounting mode is simple and the connection strength is high. The driving source 632 outputs a rotary driving force to drive the transmission assembly to rotate, the transmission assembly can drive the guide rail 61 to rotate, the structure and the composition are simple, the manufacturing and using cost is low, the force transmission path is short, and the efficiency of driving the guide rail 61 to rotate can be improved.
In one embodiment, the transmission assembly includes a driving wheel 633 connected to the driving source 632, an upright frame 634 disposed on the carrying platform 10, a driven wheel 635 disposed on the upright frame 634, and a transmission belt 636 sleeved on the driving wheel 633 and the driven wheel 635. The stand 634 can support and fix the guide rail 61 and the driven wheel 635, and mount the two integrally on the load-bearing platform 10. At this time, the driving wheel 633, the transmission belt 636 and the driven wheel 635 form a belt pulley transmission mechanism with simple structure, easy implementation, stable and reliable transmission and easy maintenance and replacement.
Preferably, the driving wheel 633 and the driven wheel 635 are both synchronous wheels, and the transmission belt 636 is a synchronous belt engaged with the two synchronous wheels. At this time, it is avoided that the belt pulley transmission structure slips to affect the transmission efficiency when the weight of the guide rail 61 is large, and the power loss of the driving source 632 is caused.
Alternatively, the driving source 632 may be, but is not limited to, a motor, a rotary cylinder, a rotary electric cylinder, or the like.
In consideration of actual conditions, the car can go up and down with different speed and move, and the relative velocity of motion of guide rail 61 and guide shoe is also different in real time this moment, and based on this, for more convenient effectual messenger guide rail 61 rotates with different speed size to the test guide shoe is at the little vibration isolation ability of different speeds, the wheel diameter of action wheel 633 is less than the wheel diameter of driven wheel 635. Since the wheel diameter of the driving wheel 633 is smaller than that of the driven wheel 635, the linear velocity of the guide rail 61 can be adjusted more flexibly and precisely according to the output power of the control driving source 632, thereby achieving the above-mentioned object.
Conventionally, the guide rail 61 engaged with the guide shoe is generally a T-shaped guide rail, so that in order to simulate the bending caused by the lateral deformation of the T-shaped guide rail more truly, three surfaces of the cam of the guide wheel are all in a sine curved surface shape.
The vibration simulators 62 in this embodiment are used for simulating the joint step of the guide rail 61 and realizing vibration excitation to the joint step, and preferably, the vibration simulators 62 are two and symmetrically arranged on two opposite side surfaces of the flange. At this time, the two vibration simulators 62 realize more balanced vibration excitation on the guide rail 61, so that the transverse vibration of the guide rail 61 is closer to the actual working condition.
It should be noted that the vibration simulator 62 may be any type of vibration simulator 62 that is well known in the art and has a working principle, and the shape of the vibration simulator 62 may be, but is not limited to, a single-sided I-shape, a double-sided L-shape, and a three-sided U-shape, and may be selected according to actual needs.
Referring to fig. 2, in order to avoid the guide shoe 30 to be tested from interfering with the guide rail 61 during installation, a sufficient installation space is usually reserved above the adjusting and measuring device 20, and after the guide shoe 30 to be tested is loaded and fixed, the spatial position of the guide shoe 30 to be tested is adjusted to be tightly attached to the guide rail 61 and generate a certain amount of preload. It will be appreciated that the amount of preload is the amount of compression of the damping spring on the shoe 30 under test. Therefore, in the present embodiment, the adjusting and measuring device 20 includes a support 21, a Y-direction moving module 22 disposed on the support 21, and an X-direction moving module 23 disposed on the Y-direction moving module 22, the guide shoe 30 to be measured is configured to be loaded on the X-direction moving module 23, the load cell 40 is disposed on the X-direction moving module 23, and the guide shoe 30 to be measured is configured to be loaded on the load cell 40. The bottom of the support 21 is provided with a through hole, so that a bolt can be adopted to pass through the through hole and then is quickly locked and fixed with the groove on the bearing platform 10, the installation mode is simple, and the assembly and disassembly are convenient. Then, the X-direction moving module 23 and the Y-direction moving module 22 may be adjusted to move in sequence or synchronously link with each other, so as to drive the guide shoe 30 to be measured to gradually approach the guide rail 61 and finally compress the guide rail 61 to generate a predetermined pre-pressing amount.
In one embodiment, the X-direction moving module 23 and the Y-direction moving module 22 have the same structure, and each of the X-direction moving module and the Y-direction moving module includes a fixing plate, a screw rod disposed on the fixing plate, a slider sleeved on the screw rod, and a carrier plate connected to the slider. Therefore, the screw rod is driven to rotate, the sliding block can slide on the screw rod by virtue of the transmission characteristic of the thread pair, so that the guide shoe 30 to be tested can be driven to move in the positive and negative directions of the X axis and the Y axis, the requirement that the guide shoes with different models and structures can be in close contact with the guide rail 61 according to the required prepressing amount is met, and the use performance of the vibration test bench is improved.
It can be understood that the X-direction moving module 23 is integrally installed on the carrier plate of the Y-direction moving module 22 and can move on the X-axis together with the guide shoe 30 to be tested; further guide shoes 30 to be tested are mounted on the carrier plate of the Y-direction moving module 22 and can be driven to move on the Y-axis.
In order to facilitate the rotation of the screw rod, in an embodiment, the X-direction moving module 23 and the Y-direction moving module 22 further include hand wheels, and the hand wheels are connected with the end portions of the screw rod. At the moment, the hand wheel can be used for conveniently and labor-saving driving the screw rod to rotate, and the position adjusting efficiency of the guide shoe 30 to be detected is favorably improved. Or, in order to further reduce the working strength of the testing personnel and improve the automation level of the vibration testing table, in another embodiment, the X-direction moving module 23 and the Y-direction moving module 22 further include driving members for outputting rotary power, and the driving members are connected with the lead screw. The driving member can be, but is not limited to, a rotary cylinder or a rotary motor, and is electrically connected with the control cabinet 70, so that the screw rod can be automatically driven to rotate according to an instruction, and the work of adjusting the position matching relationship between the guide shoe 30 to be measured and the guide rail 61 can be automatically completed by replacing manpower.
Of course, it should be noted that, in order to realize the adjustment of the guide shoe 30 to be measured in both the X and Y directions, other adjustment driving structures in the prior art may be adopted in other embodiments to replace the lead screw slider module, such as a telescopic rod mechanism, a scissor mechanism, a cam shaft mechanism, and the like, and also fall within the protection scope of the present application.
Referring to fig. 4, the guide shoes may be divided into two types, namely rolling guide shoes and sliding guide shoes, according to the type of the guide shoes. Based on this, this application still provides a vibration test scheme based on this testboard based on the boots vibration test platform is led to above-mentioned elevator, and it includes following step:
s100: installing the guide shoe 30 to be tested on the adjusting and testing device 20, and adjusting the adjusting and testing device 20 to enable the guide shoe 30 to be tested to be tightly pressed with the guide rail 61;
s200: and starting the vibration simulator 62 pre-installed on the guide rail 61 to excite the guide rail 61.
S300: and starting the driving device 63 to drive the guide rail 61 to rotate relative to the guide shoe 30 to be tested.
S400: the vibration transmission force of the guide shoe 30 to be measured is measured and collected using the load cell 40, and the vibration acceleration of the swing arm of the guide shoe 30 to be measured is measured and collected using the acceleration sensor 50.
S500: and calculating to obtain a vibration transmission load according to the vibration transmission force, calculating to obtain an excitation load according to the vibration acceleration, and calculating the ratio of the vibration transmission load to the excitation load to obtain a vibration transmission coefficient.
The test principle and algorithm can be briefly described as follows: the vibration isolation performance of the elevator guide shoe is generally expressed by a vibration transfer coefficient eta, which is the ratio of the vibration transfer load after vibration isolation to the vibration excitation load amplitude before vibration isolation, i.e. eta is N0/Q0. Therefore, the elevator guide shoe vibration test bench needs to measure the exciting force Q (t) and the vibrationTransmission force N (t), etc.
The rotation of the disc-shaped guide rail 61 directly simulates the relative motion of the linear guide rail 61 and the guide shoe of the elevator in actual operation, provides vibration excitation, measures the vibration acceleration A (t) of the guide shoe roller swing arm through the acceleration sensor 50, and converts the vibration acceleration A (t) into the excitation load Q (t) through calculation: for the rolling guide shoe, please refer to the schematic diagram of the force analysis of the rolling guide shoe roller-swing arm assembly of fig. 4, the moment balance equation of the guide shoe roller and the swing arm assembly to the swing center is:
A(t)laJ＝Q(t)lw-Fsls (1)
wherein: j is the moment of inertia of the rolling guide shoe roller and swing arm assembly around the swing center.
For the sliding guide shoe, according to the force analysis schematic diagram of the sliding guide shoe liner, the force balance equation of the guide shoe liner is as follows:
A(t)m＝Q(t)-Fs (2)
wherein: and m is the mass of the sliding guide shoe liner.
According to the stiffness coefficient k of the elastic component (spring, rubber) of the guide shoesAnd measuring a vibration acceleration value A (t), and obtaining the elastic force of the elastic component as follows:
Fs＝ks∫∫A(t)dtdt (3)
then substituting equation (3) into equation (1) or (2) to obtain the exciting force Q (t) and the exciting load amplitude Q of the guide rail 610. At the same time, the vibration transmission force N (t) of the guide shoe is measured by the load cell 40, and the vibration transmission load amplitude N is obtained0The vibration transmission coefficient eta of the guide shoe is obtained as N0/Q0。
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. An elevator guide shoe vibration test stand, comprising:
a load-bearing platform;
the adjusting and measuring device is arranged on the bearing platform and is used for loading the guide shoe to be measured;
the force measuring sensor is arranged on the adjusting and measuring device, and the acceleration sensor is used for being installed on the guide shoe to be measured; and
the track simulation device is arranged on the bearing platform and comprises a guide rail in sliding fit with the guide shoe to be tested, a vibration simulator arranged on the guide rail and a driving device for driving the guide rail to rotate; the adjusting and testing device comprises a support, a Y-direction moving module arranged on the support and an X-direction moving module arranged on the Y-direction moving module, and the guide shoe to be tested is used for being loaded on the X-direction moving module.
2. The elevator guide shoe vibration test platform according to claim 1, wherein the load cell is disposed on the X-direction moving module, and the guide shoe to be tested is used for loading the load cell.
3. The elevator guide shoe vibration test platform according to claim 2, wherein the X-direction moving module and the Y-direction moving module have the same structure and each comprise a fixing plate, a screw rod arranged on the fixing plate, a sliding block sleeved on the screw rod, and a carrier plate connected with the sliding block.
4. The elevator guide shoe vibration test table according to claim 3, wherein each of the X-direction moving module and the Y-direction moving module further comprises a hand wheel connected with an end of the lead screw; or the X-direction moving module and the Y-direction moving module respectively comprise a driving piece for outputting rotary power, and the driving pieces are connected with the screw rod.
5. The elevator guide shoe vibration test stand of claim 1, wherein said guide rail is a circular disc-like structure; the drive device comprises a mounting seat, a drive source and a transmission assembly, wherein the drive source is arranged on the mounting seat and used for outputting rotary power, the transmission assembly is connected with the drive source, and the guide rail is connected with the transmission assembly.
6. The elevator guide shoe vibration test bench according to claim 5, wherein the transmission assembly comprises a driving wheel connected with the driving source, a stand arranged on the bearing platform, a driven wheel arranged on the stand, and a transmission belt sleeved on the driving wheel and the driven wheel.
7. The elevator guide shoe vibration test stand of claim 6, wherein a wheel diameter of the drive wheel is smaller than a wheel diameter of the driven wheel.
8. The elevator guide shoe vibration test stand of claim 6, wherein the driving wheel and the driven wheel are both synchronous wheels, the transmission belt is a synchronous belt, and the synchronous belt is in meshing transmission fit with the two synchronous wheels.
9. The elevator guide shoe vibration test stand of claim 5, wherein the guide rail has a flange with three surfaces each having a sinusoidal shape.
10. The elevator guide shoe vibration test stand of claim 9, wherein said vibration simulator is two and symmetrically disposed on opposite sides of said flange.
11. The elevator guide shoe vibration test stand according to any one of claims 1 to 10, further comprising a control cabinet, wherein the load cell, the acceleration sensor, the vibration simulator, and the driving device are electrically connected to the control cabinet, respectively.
12. A test method of an elevator guide shoe vibration test bench is characterized by comprising the following steps:
installing a guide shoe to be tested on a regulating and testing device, and regulating the regulating and testing device to enable the guide shoe to be tested to be tightly pressed with a guide rail;
starting a vibration simulator pre-installed on the guide rail to enable the guide rail to generate excitation;
starting a driving device to drive the guide rail to rotate relative to the guide shoe to be tested;
measuring and collecting the vibration transmission force of the guide shoe to be measured by using a force transducer, and measuring and collecting the vibration acceleration of the guide shoe swing arm to be measured by using an acceleration transducer;
and calculating to obtain a vibration transmission load according to the vibration transmission force, calculating to obtain an excitation load according to the vibration acceleration, and calculating the ratio of the vibration transmission load to the excitation load to obtain a vibration transmission coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397306.4A CN111089696B (en) | 2019-12-30 | 2019-12-30 | Elevator guide shoe vibration test bench and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397306.4A CN111089696B (en) | 2019-12-30 | 2019-12-30 | Elevator guide shoe vibration test bench and test method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111089696A CN111089696A (en) | 2020-05-01 |
| CN111089696B true CN111089696B (en) | 2021-10-22 |
Family
ID=70397614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397306.4A Active CN111089696B (en) | 2019-12-30 | 2019-12-30 | Elevator guide shoe vibration test bench and test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111089696B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494075A (en) * | 2011-12-28 | 2012-06-13 | 常州市东海橡胶厂有限公司 | High-energy consumption viscoelastic vibration isolating damper for engine |
| CN207963733U (en) * | 2017-12-22 | 2018-10-12 | 四川省特种设备检验研究院 | A kind of elevator door guide shoe engagement depth detector |
| CN209296337U (en) * | 2019-01-04 | 2019-08-23 | 海门圣帕斯电梯配件有限公司 | Roller guide shoe test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4226383B2 (en) * | 2003-04-23 | 2009-02-18 | 株式会社ミツトヨ | Measuring device |
-
2019
- 2019-12-30 CN CN201911397306.4A patent/CN111089696B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494075A (en) * | 2011-12-28 | 2012-06-13 | 常州市东海橡胶厂有限公司 | High-energy consumption viscoelastic vibration isolating damper for engine |
| CN207963733U (en) * | 2017-12-22 | 2018-10-12 | 四川省特种设备检验研究院 | A kind of elevator door guide shoe engagement depth detector |
| CN209296337U (en) * | 2019-01-04 | 2019-08-23 | 海门圣帕斯电梯配件有限公司 | Roller guide shoe test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111089696A (en) | 2020-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110703095B (en) | Road condition simulation loading test device and test method for electric vehicle driving motor | |
| CN101358892B (en) | Dead weight type standard force source device with independently loading and unloading counterweight | |
| CN103575463B (en) | Independent weight loading-unloading dead-load type torque measurement device | |
| CN108287072A (en) | A kind of robot precision speed reduction device method for testing fatigue life | |
| CN202433177U (en) | Straight line electro-mechanical actuator performance test stand | |
| CN102519716A (en) | Test stand for performance of linear electromechanical actuator | |
| CN103604606B (en) | Sliding bearing testing machine | |
| CN201364214Y (en) | Starting friction force moment checking machine of wind-driven generator rotary table bearings | |
| CN109115514A (en) | A kind of adjustable-angle road imitation tester and method for testing electric car | |
| CN104848990A (en) | Ultra-precision dynamic balancing device applicable to micro rotor | |
| CN114754999A (en) | Airplane wheel brake response test device and test method for airplane landing gear | |
| CN111089696B (en) | Elevator guide shoe vibration test bench and test method thereof | |
| CN108593233B (en) | Fatigue strength measuring equipment and system | |
| CN108663500B (en) | Adhesive performance testing device | |
| CN107101840B (en) | Wheel is to test booster and wheel track pilot system | |
| CN202229903U (en) | Wind tunnel tester | |
| CN208547534U (en) | A kind of charpy impact test instrument | |
| CN114030962B (en) | Elevator non-load measuring instrument | |
| CN2670934Y (en) | Gravity type bidirectional analog loading device | |
| CN111289196A (en) | Elastic element vibration transmission testing device and system | |
| CN214584086U (en) | Traction machine static load test bed | |
| CN113447288A (en) | National physical health test equipment durability detection system | |
| CN102788661B (en) | Lift car gravity center tester | |
| CN202372309U (en) | clutch detection device | |
| CN113029506A (en) | Balanced wind tunnel lift force measuring 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |