CN116337205A - Noise detection device and method for elevator without machine room - Google Patents
Noise detection device and method for elevator without machine room Download PDFInfo
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- CN116337205A CN116337205A CN202310335968.9A CN202310335968A CN116337205A CN 116337205 A CN116337205 A CN 116337205A CN 202310335968 A CN202310335968 A CN 202310335968A CN 116337205 A CN116337205 A CN 116337205A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a noise detection device and method for a machine-room-less elevator, which realize that a sound level meter can rapidly change to detect all parts of a driving host machine through the cooperation of a connecting arm, a telescopic arm, a detection arm, a distance sensor, a wireless transmission module and a control terminal, and the detection position is accurate without manual adjustment; the whole detection device can be fixed on the lifting hook at the top of the well through the action of the pressure cap and the base, and the connection mode is convenient to mount and dismount and firm to fix; the display data on the sound level meter can be identified through the digital identifier, the identified data can be transmitted through the wireless transmission module, a detector is not required to read the noise detection value in a short distance, and the sound level meter is simple, quick and safe.
Description
Technical Field
The invention relates to the technical field of elevator detection, in particular to a noise detection device and method for an elevator without a machine room.
Background
The method is carried out formally from the national recommendation standard GB/T10058-2009 technical Condition of Elevator, which is established by the national quality inspection general administration and the national standard Committee, on the 3 rd month 1 2010, wherein the comfort performance of the elevator is definitely regulated, and the standard basis is provided for the noise detection of the elevator. Wherein 3.3.6 specifies: the elevator mechanism and electrical equipment should not have abnormal vibration or impact sound when in operation, and the noise value of the passenger elevator should accord with the regulations in table 1.
TABLE 1 noise value of passenger elevator in dB (A)
GB/T10059-2009 Elevator test method requires specific measurement positions, wherein 4.2.5.3 machine room noise requires: the elevator runs at rated speed, 5 measuring points are taken, namely 4 points (H is the top surface height of the elevator host machine without machine room, m) on the (H+1)/2 height 1m away from the front, back, left and right outermost sides of the elevator host machine without machine room, and 1 point 1m above the elevator host machine without machine room. Limiting the building structure or equipment placement may reduce the points of survey. And taking the average value of the sound pressure correction value measured at each measuring point. "
When the noise detection operation of the elevator without the machine room is actually carried out, according to the standard requirement, the average noise value of the elevator at the position 1m away from the traction machine is required to be measured in the running state of the elevator at the rated speed, the testing method of the existing testing tool is relatively complicated, and the problems of inaccurate testing data, complex operation flow and the like exist.
The invention patent with publication number of CN216619125U discloses a fixing device for elevator noise detection equipment, and specifically describes a device for fixing the noise detection equipment in an elevator hoistway, and provides the fixing device for elevator noise detection equipment, and a base can be firmly fixed on the elevator hoistway or the outer wall of the elevator through a plurality of fastening pieces by utilizing a plurality of fixing holes, so that the fixing device is simple in installation mode, difficult to loosen due to the fastening of the fastening pieces, convenient to detach after detection is finished, and convenient to use and disassemble and assemble are improved. The fixing device for the elevator noise detection equipment is provided, the orientation of the fixing seat can be adjusted by adopting the adjusting column through rotation, the adjusting angle range of the clamping plate and the rotating plate can reach 180 degrees, the adjusting range is wider, and the fixing stud and the adjusting nut can be used for fastening after the adjusting angle is adjusted to a proper angle, so that special equipment is not required for fixing, and the operation is convenient and quick; 1. the invention only solves the fixing of the detection equipment and the clamping device, but does not solve the fixing problem of the clamping device and the elevator shaft or the outer wall of the elevator; 2. the problem is not solved at all, but the problem of fixing the detection equipment is changed into the problem of fixing the clamping device only by fixing the detection equipment through a plurality of fasteners and not knowing what kind of fasteners are fixed and fixed where. 3. The device is limited in adjusting angle, can only rotate 180 degrees on the same plane, can not provide any position conversion of a 3D space, and can not detect accurate positions.
The invention discloses an elevator noise monitoring device with publication number of CN215064867U, which describes a long-term (permanent) fixed noise detection device, and can alarm and early warn abnormal noise. The device can only detect the noise data of the fixed point, does not meet the detection requirement of standard specifications on the noise of the tractor without a machine room, is not suitable for the noise detection without the machine room, is permanent fixed equipment, and cannot meet the portable detection requirement.
Therefore, a noise detection device and method for elevator without machine room is developed to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and designs a noise detection device and method for a machine-room-less elevator.
The invention realizes the above purpose through the following technical scheme:
a machine-roomless elevator noise detection apparatus, comprising:
a connecting arm; the first end of the connecting arm is connected with the lifting hook at the top of the well, and the second end of the connecting arm is connected with the first rotating end of a rotating mechanism;
at least one telescoping arm; the middle part of the telescopic arm is provided with a first telescopic mechanism, two ends of the telescopic arm are respectively provided with a first rotating mechanism and a second rotating mechanism, two ends of the first telescopic mechanism are respectively fixedly connected with a fixed end of the first rotating mechanism and a fixed end of the second rotating mechanism, and a rotating end of the first rotating mechanism close to the connecting arm is connected with a second rotating end of the rotating mechanism;
a detection arm; the rotating end of the second rotating mechanism is connected with the first end of the detecting arm;
a sound level meter; the sound level meter is arranged at the second end of the detection arm;
a distance sensor; the distance sensor is mounted on the detection arm.
Further, the detection arm comprises a clamping base, a clamping cover plate and a plurality of bolts, the sound level meter is installed in the clamping base, the side wall of the opening of the clamping base is provided with external threads, the inner wall of the clamping cover plate is provided with internal threads, the clamping base is in threaded connection with the clamping cover plate, the clamping cover plate is provided with a plurality of screw holes, and the end parts of the bolts are used for propping up the sound level meter after the bolts are screwed into the screw holes.
Further, at least one side of the clamping base is provided with an opening, and an electronic screen of the sound level meter is arranged at one side of the opening of the clamping base; a number identifier is mounted on the side wall of the clamp base and is used to identify the number on the electronic screen of the sound level meter.
Still further, the detection arm still includes second telescopic machanism, and second telescopic machanism's first end is connected with second slewing mechanism's rotation end, and second telescopic machanism's second end is connected with the centre gripping base.
Specifically, the noise detection device further comprises a wireless transmission module and a control terminal, the signal output end of the distance sensor and the signal output end of the digital identifier are connected with the signal input end of the wireless transmission module, the signal output end of the wireless transmission module is respectively connected with the signal input end of the first telescopic mechanism, the signal input end of the second telescopic mechanism, the signal input end of the rotating mechanism, the signal input end of the first rotating mechanism and the signal input end of the second rotating mechanism, and the wireless transmission module is connected with the control terminal in a wireless communication mode.
Preferably, the first rotating mechanism, the second rotating mechanism and the rotating mechanism are all motor driven, and the first telescopic mechanism and the second telescopic mechanism are all electric telescopic rods.
Specifically, the connecting arm further comprises a base and a pressing cap, wherein the upper end of the base is provided with a mounting groove, the lower end of the lifting hook at the top of the well is arranged in the mounting groove, the side wall of the upper end of the base is provided with external threads, the pressing cap is internally provided with internal threads, and the pressing cap is in threaded connection with the base and is used for limiting the position of the lifting hook at the top of the well; the lower end of the base is connected with a first rotating end of the rotating mechanism.
The noise detection method of the elevator without the machine room comprises the following steps:
s1, after the detection device is assembled, adjusting the elevator to an overhaul state, and carrying the detection device by a inspector to mount the elevator car;
s2, controlling the elevator to ascend to the vicinity of the elevator host without the machine room by a inspector in an overhaul state;
s3, placing the lifting hook at the top of the well into the mounting groove of the base by an inspector, mounting the base pressing cap, and connecting and fastening to complete the mounting of the detection device;
s4, after the detection device is firmly fixed, the inspector moves back to the elevator waiting area on the outer top layer of the car;
s5, opening the elevator landing door, and wirelessly adjusting the rotation mechanism and the rotation mechanism to rotate according to the detection distance, and enabling the telescopic mechanism to stretch and retract to reach the detection position required by the standard;
s6, adjusting the elevator to a normal running state, and preparing to start noise detection;
s7, the elevator is normally and completely moved downwards and upwards for 1 time respectively, and the control terminal reads and stores the noise value detected by the detection device;
s8, adjusting the detection position required by the standard according to the space condition of the installation position of the tested elevator host without machine room, repeating the operation steps S5-S7, and completing the noise test of the front part, the rear part, the left part, the right part and the upper part of the elevator host without machine room;
s9, after all the detection points are detected, adjusting the elevator to an overhaul state, and enabling a inspector to enter a car roof to take off the detection device;
s10, the personnel leave the car roof, normal operation of the elevator is recovered, and all test data recorded by the control terminal are checked to finish detection.
Specifically, in step S1, the detection device assembly includes the steps of:
s11, firstly placing the sound level meter into a clamping base, screwing a clamping cover plate, abutting against the upper end face of the sound level meter through a screwing bolt, and then loading a windproof ball of the sound level meter;
and S12, mounting the distance sensor and the digital identifier on the clamping base.
The invention has the beneficial effects that:
1. through the cooperation of linking arm, flexible arm, detection arm, distance sensor, wireless transmission module and control terminal, realize that the sound level meter can change fast and detect everywhere no computer lab elevator host computer, need not manual regulation, and the position that detects is accurate.
2. The whole detection device can be fixed on the lifting hook at the top of the well through the action of the pressure cap and the base, and the connection mode is convenient to install and detach and firm to fix.
3. The display data on the sound level meter can be identified through the digital identifier, the identified data can be transmitted through the wireless transmission module, a detector is not required to read the noise detection value in a short distance, and the sound level meter is simple, quick and safe.
Drawings
FIG. 1 is a schematic diagram of the working principle of the present invention;
FIG. 2 is a block diagram of the structure of the present invention;
FIG. 3 is a schematic perspective view (view I) of the present invention;
FIG. 4 is a schematic perspective view (view II) of the present invention;
FIG. 5 is a schematic view of the structure of the mounting groove of the present invention;
FIG. 6 is a schematic view of the mounting structure of the sound level meter of the present invention;
in the figure:
11-hoistway top hooks; 12-pressing the cap; 13-a base; 131-mounting slots; 14-a rotation mechanism;
21-a first telescopic mechanism; 22-a first rotation mechanism; 23-a first rotating shaft; 24-a second rotation mechanism; 25-a second rotating shaft;
31-a second telescopic mechanism; 32-a connector;
41-clamping a base; 42-sound level meter; 421-electronic screen; 422-a windbreak ball; 43-clamping the cover plate; 44-bolts; 45-distance sensor; 46-a digital identifier;
5. machine room free elevator host.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes specific embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1 to 6, a noise detection device for a machine-roomless elevator includes:
a connecting arm; the connecting arm comprises a base 13 and a press cap 12, wherein a mounting groove 131 is formed in the upper end of the base 13, the lower end of a lifting hook 11 at the top of a well is arranged in the mounting groove 131, external threads are formed on the side wall of the upper end of the base 13, internal threads are formed in the press cap 12, and the press cap 12 is in threaded connection with the base 13 and is used for limiting the position of the lifting hook 11 at the top of the well; the lower end of the base 13 is connected to a first rotating end of the rotating mechanism 14.
A telescopic arm; the middle part of the telescopic arm is provided with a first telescopic mechanism 21, two ends of the telescopic arm are respectively provided with a first rotating mechanism 22 and a second rotating mechanism 24, two ends of the first telescopic mechanism 21 are respectively fixedly connected with a fixed end of the first rotating mechanism 22 and a fixed end of the second rotating mechanism 24, and a rotating end of the first rotating mechanism 22 close to the connecting arm is connected with a second rotating end of the rotating mechanism 14;
a detection arm; the detection arm comprises a clamping base 41, a clamping cover plate 43, two bolts 44 and a second telescopic mechanism 31, the sound level meter 42 is installed in the clamping base 41, external threads are arranged on the side wall of the opening of the clamping base 41, internal threads are arranged on the inner wall of the clamping cover plate 43, the clamping base 41 is in threaded connection with the clamping cover plate 43, two screw holes are formed in the clamping cover plate 43, and the end parts of the bolts 44 after being screwed into the screw holes are used for tightly fixing the sound level meter 42. The first end of the second telescopic mechanism 31 is connected to the rotating end of the second rotating mechanism 24, and the second end of the second telescopic mechanism 31 is connected to the clamping base 41.
A sound level meter 42; the sound level meter 42 is mounted at the second end of the detection arm;
a distance sensor 45; the distance sensor 45 is mounted on the detection arm.
A wireless transmission module;
a control terminal; the signal output end of the distance sensor 45 and the signal output end of the digital identifier 46 are connected with the signal input end of the wireless transmission module, the signal output end of the wireless transmission module is respectively connected with the signal input end of the first telescopic mechanism 21, the signal input end of the second telescopic mechanism 31, the signal input end of the rotating mechanism 14, the signal input end of the first rotating mechanism 22 and the signal input end of the second rotating mechanism 24, and the wireless transmission module is connected with the control terminal in a wireless communication manner.
Both sides of the clamping base 41 are provided with openings, and an electronic screen 421 of the sound level meter is arranged on one side of the opening of the clamping base 41; a number identifier 46 is mounted on the side wall of the clamp base 41 and is used to identify the number on the electronic screen 421 of the sound level meter. In some embodiments, it is preferable that the distance between the two clamping plates of the clamping base 41 is slightly smaller than the width of the sound level meter 42, and the two clamping plates have a certain elasticity, and the sound level meter 42 is inserted between the two clamping plates when installed until the bottom of the sound level meter 42 is in contact with the inner bottom end of the clamping base 41, at which time the two clamping plates clamp the sound level meter 42.
As shown in fig. 2, in some embodiments, the detection device further includes a battery pack and a power control system, all the rotating mechanism 14, the rotating mechanism and the telescopic mechanism form a motion control system, the distance sensor 45 and the digital identifier 46 form a data acquisition system, and the power of the battery pack is distributed by the power control system to supply power to the motion control system, the data acquisition system and the wireless transmission module respectively.
When the device works, the motion control system controls the rotating mechanism 14 and the telescopic mechanism to act according to the wireless transmission module instruction. The data acquisition system continuously transmits the data acquired by the distance sensor 45 and the digital identifier 46 to the wireless transmission module. The wireless transmission module transmits the received data to the wireless control terminal for decision judgment of the control terminal. The control terminal makes a decision according to the received distance data, and sends a decision instruction to the motion control system through the wireless transmission module so as to adjust the detection position.
In some embodiments, the wireless transmission module may select, but is not limited to, bluetooth, wifi.
In some embodiments, the distance sensor 45 may be selected from, but not limited to, an optical distance sensor 45, an infrared distance sensor 45, an ultrasonic distance sensor 45.
In some embodiments, the control terminal may select, but is not limited to, a PC.
In some embodiments, the first rotation mechanism 22, the second rotation mechanism 24, and the rotation mechanism 14 are all motor driven, and the first telescopic mechanism 21 and the second telescopic mechanism 31 are all electric telescopic rods (the electric telescopic rods are the prior art and are not described herein). The first rotating mechanism 22 includes a first rotating shaft 23 and a first motor, a first end of the first rotating shaft 23 is fixedly connected with a second rotating end of the rotating mechanism 14, a second end of the first rotating shaft 23 is mounted on a main body of the first rotating mechanism 22 through a bearing, and a power output of the first motor can be directly connected with a second end of the first rotating shaft 23 or can be connected with a second end of the first rotating shaft 23 after passing through a gearbox. The second rotating mechanism 24 includes a second rotating shaft 25 and a second motor, a first end of the second rotating shaft 25 is fixedly connected with a connecting piece 32, the connecting piece 32 is connected with a first end of a second telescopic mechanism 31, a second end of the second rotating shaft 25 is installed on a main body of the second rotating mechanism 24 through a bearing, and a power output of the second motor can be directly connected with a second end of the second rotating shaft 25 or can be connected with a second end of the second rotating shaft 25 after passing through a gearbox. The rotating mechanism 14 includes an upper rotating part and a lower rotating part connected by a bearing, a motor is fixedly installed in the upper rotating part, and a rotating shaft of the motor is fixedly connected with the center of the lower rotating part.
Alternatively, in other embodiments, the power of the turning mechanism, the rotating mechanism 14, the telescoping mechanism may also be implemented by a cylinder, an oil cylinder, or the like.
In some embodiments, the number of the telescopic arms can be increased, so that the rotation position surface of the detecting device can be increased, and the detection range can be increased.
In some embodiments, as shown in FIG. 6, the sound level meter 42 is a sound level meter. The sound level meter further comprises a windproof ball 422, the windproof ball 422 is connected with the sound level meter body, and a through hole is correspondingly formed in the clamping cover plate 43 for the rod part of the windproof ball 422 to pass through.
When the rotary mechanism 14 works, the sound level meter 42 can horizontally swing; the working distance of the sound level meter 42 can be adjusted when the first telescopic mechanism 21 and the second telescopic mechanism work; when the first and second rotating mechanisms 22, 24 are operated, the spatial height of the sound level meter 42 can be adjusted.
The noise detection method of the elevator without the machine room comprises the following steps:
s1, after the detection device is assembled, adjusting the elevator to an overhaul state, and carrying the detection device by a inspector to mount the elevator car;
s2, controlling the elevator to ascend to the vicinity of the elevator host without the machine room by a inspector in an overhaul state;
s3, placing the lifting hook at the top of the well into the mounting groove of the base by an inspector, mounting the base pressing cap, and connecting and fastening to complete the mounting of the detection device;
s4, after the detection device is firmly fixed, the inspector moves back to the elevator waiting area on the outer top layer of the car;
s5, opening an elevator landing door, and wirelessly adjusting rotation mechanisms and rotation mechanism rotation and expansion and contraction mechanisms according to detection distances to enable the rotation mechanisms and the rotation mechanism to expand and contract, wherein detection positions meeting standard requirements (GB/T10059-2009 Elevator test method) are required for specific measurement positions, wherein 4.2.5.3 machine room noise requirements are that an elevator runs at a rated speed, 5 measuring points are taken, namely 4 points (H+1)/2 points are located at positions 1m from the front, rear, left and right outermost sides of a machine-room-free elevator host machine (H is the top surface height of the machine-room-free elevator host machine, m) and 1 point right above the machine-room-free elevator host machine; as shown in fig. 1, the first position shows the noise detection above the main machine of the elevator without machine room, and the second position shows the noise detection right of the main machine of the elevator without machine room;
s6, adjusting the elevator to a normal running state, and preparing to start noise detection;
s7, the elevator is normally and completely moved downwards and upwards for 1 time respectively, and the control terminal reads and stores the noise value detected by the detection device;
s8, adjusting the detection position required by the standard according to the space condition of the installation position of the tested elevator host without machine room, repeating the operation steps S5-S7, and completing the noise test of the front part, the rear part, the left part, the right part and the upper part of the elevator host without machine room;
s9, after all the detection points are detected, adjusting the elevator to an overhaul state, and enabling a inspector to enter a car roof to take off the detection device;
s10, the personnel leave the car roof, normal operation of the elevator is recovered, and all test data recorded by the control terminal are checked to finish detection.
In step S1, the detection device assembly includes the steps of:
s11, firstly placing the sound level meter into the clamping base 41, screwing the clamping cover plate 43, abutting against the upper end surface of the sound level meter through the screwing bolts 44, and then installing the windproof ball 422 of the sound level meter;
s12, a distance sensor 45 and a digital identifier 46 are mounted on the clamp base 41.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. A machine-roomless elevator noise detection apparatus, comprising:
a connecting arm; the first end of the connecting arm is connected with the lifting hook at the top of the well, and the second end of the connecting arm is connected with the first rotating end of a rotating mechanism;
at least one telescoping arm; the middle part of the telescopic arm is provided with a first telescopic mechanism, two ends of the telescopic arm are respectively provided with a first rotating mechanism and a second rotating mechanism, two ends of the first telescopic mechanism are respectively fixedly connected with a fixed end of the first rotating mechanism and a fixed end of the second rotating mechanism, and a rotating end of the first rotating mechanism close to the connecting arm is connected with a second rotating end of the rotating mechanism;
a detection arm; the rotating end of the second rotating mechanism is connected with the first end of the detecting arm;
a sound level meter; the sound level meter is arranged at the second end of the detection arm;
a distance sensor; the distance sensor is mounted on the detection arm.
2. The noise detection device for the elevator without machine room of claim 1, wherein the detection arm comprises a clamping base, a clamping cover plate and a plurality of bolts, the sound level meter is installed in the clamping base, external threads are arranged on the side wall of the opening of the clamping base, internal threads are arranged on the inner wall of the clamping cover plate, the clamping base is in threaded connection with the clamping cover plate, a plurality of screw holes are formed in the clamping cover plate, and the end parts of the bolts after the bolts are screwed into the screw holes are used for propping up the sound level meter.
3. The noise detection device for elevator without machine room of claim 2, wherein at least one side of the holding base is provided with an opening, and the electronic screen of the sound level meter is provided on the opening side of the holding base; a number identifier is mounted on the side wall of the clamp base and is used to identify the number on the electronic screen of the sound level meter.
4. A machine-roomless elevator noise detection apparatus as defined in claim 3, wherein the detection arm further comprises a second telescopic mechanism, a first end of the second telescopic mechanism being connected to a rotating end of the second rotating mechanism, and a second end of the second telescopic mechanism being connected to the clamping base.
5. The noise detection device for elevator without machine room of claim 4, further comprising a wireless transmission module and a control terminal, wherein the signal output end of the distance sensor and the signal output end of the digital identifier are connected with the signal input end of the wireless transmission module, the signal output end of the wireless transmission module is respectively connected with the signal input end of the first telescopic mechanism, the signal input end of the second telescopic mechanism, the signal input end of the rotating mechanism, the signal input end of the first rotating mechanism and the signal input end of the second rotating mechanism, and the wireless transmission module is connected with the control terminal in a wireless communication manner.
6. The noise detection device for elevator without machine room of claim 5, wherein the first rotating mechanism, the second rotating mechanism and the rotating mechanism are all motor driven, and the first telescopic mechanism and the second telescopic mechanism are all electric telescopic rods.
7. The noise detection device for the elevator without machine room according to claim 1, wherein the connecting arm further comprises a base and a pressing cap, the upper end of the base is provided with a mounting groove, the lower end of the lifting hook at the top of the hoistway is arranged in the mounting groove, the side wall of the upper end of the base is provided with external threads, the pressing cap is internally provided with internal threads, and the pressing cap is in threaded connection with the base and is used for limiting the position of the lifting hook at the top of the hoistway; the lower end of the base is connected with a first rotating end of the rotating mechanism.
8. The noise detection method of the elevator without the machine room is characterized by comprising the following steps of:
s1, after the detection device is assembled, adjusting the elevator to an overhaul state, and carrying the detection device by a inspector to mount the elevator car;
s2, controlling the elevator to ascend to the vicinity of the elevator host without the machine room by a inspector in an overhaul state;
s3, placing the lifting hook at the top of the well into the mounting groove of the base by an inspector, mounting the base pressing cap, and connecting and fastening to complete the mounting of the detection device;
s4, after the detection device is firmly fixed, the inspector moves back to the elevator waiting area on the outer top layer of the car;
s5, opening the elevator landing door, and wirelessly adjusting the rotation mechanism and the rotation mechanism to rotate according to the detection distance, and enabling the telescopic mechanism to stretch and retract to reach the detection position required by the standard;
s6, adjusting the elevator to a normal running state, and preparing to start noise detection;
s7, the elevator is normally and completely moved downwards and upwards for 1 time respectively, and the control terminal reads and stores the noise value detected by the detection device;
s8, adjusting the detection position required by the standard according to the space condition of the installation position of the tested elevator host without machine room, repeating the operation steps S5-S7, and completing the noise test of the front part, the rear part, the left part, the right part and the upper part of the elevator host without machine room;
s9, after all the detection points are detected, adjusting the elevator to an overhaul state, and enabling a inspector to enter a car roof to take off the detection device;
s10, the personnel leave the car roof, normal operation of the elevator is recovered, and all test data recorded by the control terminal are checked to finish detection.
9. The noise detection method of a machineroom-less elevator according to claim 8, wherein in step S1, the detection means assembly comprises the steps of:
s11, firstly placing the sound level meter into a clamping base, screwing a clamping cover plate, abutting against the upper end face of the sound level meter through a screwing bolt, and then loading a windproof ball of the sound level meter;
and S12, mounting the distance sensor and the digital identifier on the clamping base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310335968.9A CN116337205A (en) | 2023-03-31 | 2023-03-31 | Noise detection device and method for elevator without machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116659419A (en) * | 2023-07-28 | 2023-08-29 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Elevator guide rail parameter measuring device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116659419A (en) * | 2023-07-28 | 2023-08-29 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Elevator guide rail parameter measuring device and method |
| CN116659419B (en) * | 2023-07-28 | 2023-10-20 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Elevator guide rail parameter measuring device and method |
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