CN210001362U

CN210001362U - balance coefficient measuring device capable of automatically recording current value

Info

Publication number: CN210001362U
Application number: CN201920590157.2U
Authority: CN
Inventors: 郑强; 颜朝友; 许竞; 张冲; 任洁; 吴晓梅; 陈守东
Original assignee: Fujian Special Equipment Inspection and Research Institute
Current assignee: Fujian Special Equipment Inspection and Research Institute
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-31
Anticipated expiration: 2029-04-26

Abstract

The utility model relates to an automatic recording current value's balance coefficient measuring device, including wireless pincerlike ampere meter, still include photoelectric sensor and wireless pincerlike ampere meter mount, photoelectric sensor is connected with wireless communication module and battery, photoelectric sensor wireless communication module with the battery is all installed on magnetic base, magnetic base adsorbs on the outside side towards the pouring weight of elevator car, install the photoelectric reflection module on the pouring weight, the photoelectric reflection module includes second magnetic base, reflecting plate, can reduce detecter work load, can seek the car automatically and to the device of position when counterpointing, through wireless transmission simultaneously, give the pincerlike ampere meter with the signal transmission when counterpointing the car, set up triggering signal in the pincerlike ampere meter, the automatic current value of record, detecter only need read numerical value can, simple and convenient alleviates detecter work load, measurement accuracy is high, the result is accurate.

Description

balance coefficient measuring device capable of automatically recording current value

Technical Field

The utility model relates to an elevator check out test set technical field, especially kinds of automatic recording current value's balance coefficient measuring device.

Background

The method is characterized in that the balance coefficient of the elevator is very important parameters in elevator design, also is important innovations of a traction type elevator, TSG T7001-2009 elevator supervision inspection and periodic inspection rules, traction and forced drive elevators and No. 1 and No. 2 modification order rules, the balance coefficient of the traction elevator is 0.40-0.50 or meets the design value of a manufacturing (transformation) unit, the measurement of the balance coefficient of the elevator can adopt a current method and a mechanical balance method, the current method is the most common elevator balance coefficient measurement method at present and is a measurement method commonly adopted by an elevator installation unit and an inspection mechanism at present, the current method is simple and convenient, but a measurer is required to accurately judge the position of the elevator car and a counterweight when aligned, the current value measured by a clamp ammeter is an accurate value at the moment, but for permanent magnet synchronous motors and elevators with electric energy feedback, the instantaneous current value is large in change, if the measurer is slightly loose, the measurement result cannot truly reflect the accurate current value, the measurement error possibly causes overlarge measurement error, the final influence on accurate elevator car alignment, the elevator car and elevator cage height of a cable wire rope alignment mark is difficult to be displayed, particularly, the elevator is difficult to be marked when the elevator car is measured, the elevator car and the elevator is not accurately observed, the elevator cage height of the elevator in the elevator, the elevator is marked by a low elevator, the elevator in the elevator, the elevator in the elevator, the elevator cab, the elevator is more accurate elevator, the elevator cab, the elevator is difficult to be marked by the elevator in the elevator, the elevator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide balance coefficient measuring devices capable of automatically recording current values, automatically determining the alignment positions of a car and a counterweight block, and accurately measuring the balance coefficient.

The embodiment of the utility model provides an adopt following scheme to realize that automatic recording current value's balance coefficient measuring device is provided, including wireless pincerlike ampere meter, still include photoelectric sensor and wireless pincerlike ampere meter mount, wireless pincerlike ampere meter is fixed on the wireless pincerlike ampere meter mount, photoelectric sensor is connected with wireless communication module and battery, photoelectric sensor wireless communication module with the battery is all installed on magnetic base, magnetic base adsorbs on the outside side towards counterweight block of elevator car, install the photoelectric reflection module on the counterweight block, the photoelectric reflection module includes second magnetic base, reflecting plate, second magnetic base fixes on the counterweight block, the reflecting plate is installed on the second magnetic base.

The utility model discloses in the embodiment, wireless pincerlike ampere meter mount includes unable adjustment base, montant, transverse bar, unable adjustment base's middle part is provided with the screwed pipe, also attack the screw thread on the medial arm of screwed pipe, the external screw thread has been attacked to the lower part of montant, it is equipped with the nut still to overlap on the montant, the cover is equipped with the clamp on the montant, be fixed with the sleeve pipe on the clamp, the sleeve pipe endotheca has the horizontal pole, be provided with rotating base in the head of horizontal pole, the last articulated extension rod that has of rotating base, the terminal swing joint of extension rod has the clamping part, the clamping part includes clamping base, coupling assembling, centre gripping seat of honour, coupling assembling sets up on the clamping base, the centre gripping seat of honour with coupling.

The utility model discloses in the embodiment, the reflecting plate is provided with two altogether, is reflecting plate and second reflecting plate respectively, reflecting plate with parallel arrangement around the second reflecting plate, be connected with the connection piece between reflecting plate and the second reflecting plate, the connection piece respectively with reflecting plate and second reflecting plate swing joint, perhaps be provided with the spill slide rail on the last side of reflecting plate and the downside respectively, be provided with the slider on the last side of second reflecting plate and the downside respectively, the slider sets up for J-shaped mirror symmetry and blocks into in the slide rail, makes the second reflecting plate move on the reflecting plate.

The beneficial effects of the utility model are that the utility model provides a kind of automatic recording current value's balance coefficient measuring device, can reduce the measurement personnel work load, can look for the car automatically and to the device of position when aligning, transmit through wireless communication module simultaneously, give the clip-on ammeter with the car with the signalling when aligning to, set up trigger signal in the clip-on ammeter, the current value of automatic recording, the measurement personnel only need read this numerical value can, utilize wireless clip-on ammeter mount to fix the wireless clip-on ammeter on the assigned position, do not need the people to hand the measurement, single can accomplish whole measurement, and is simple and convenient, the detection personnel's work load has significantly reduced, the high measuring result of simultaneous measurement precision is accurate.

Drawings

Fig. 1 is a schematic view of the installation positions of kinds of balance coefficient measuring devices that automatically record current values.

Fig. 2 is a schematic diagram of mounting of the photoelectric sensors of kinds of balance coefficient measuring devices for automatically recording current values.

Fig. 3 is a structural schematic diagram of a photoelectric reflection module of balance coefficient measuring devices capable of automatically recording current values.

Fig. 4 is a schematic diagram of another splice structures of balance factor measuring devices reflecting plates for automatically recording current values.

Fig. 5 is a schematic structural diagram of kinds of wireless clip-on ammeter fixing frames of balance coefficient measuring devices capable of automatically recording current values.

Fig. 6 is a schematic block circuit diagram of kinds of balance coefficient measuring devices for automatically recording current values.

Detailed Description

The present invention will be further described in with reference to the following drawings.

Referring to fig. 1 to 6, the utility model provides a balance coefficient measuring devices for automatically recording current values, including wireless clip-on ammeter 6, further including photoelectric sensor 303 and wireless clip-on ammeter mount 5, wireless clip-on ammeter 6 is fixed on wireless clip-on ammeter mount 5, photoelectric sensor 303 is connected with wireless communication module 302 and battery, photoelectric sensor 303, wireless communication module 302 and battery are all installed on magnetic base 301, the wireless communication module of preferred can adopt the DTD433 type, magnetic base 301 adsorbs on elevator car 1 outside towards the side of counterweight block 2, install photoelectric reflection module 4 on counterweight block 2, photoelectric reflection module 4 includes second magnetic base 401, reflecting plate 402, second magnetic base 401 is fixed on counterweight block 2, reflecting plate 402 is installed on second magnetic base 401, clip-on ammeter 6 has the voice broadcast function, photoelectric sensor 303 is E3JK-R2M1, photoelectric sensor 303 is used for confirming whether the counterweight block aligns with the counterweight block, and whether the counterweight block is aligned with the photoelectric sensor.

In the embodiment of the present invention , the photoelectric sensor 303 and the wireless communication module 302 are connected to the MCU, and the preferred MCU can adopt 87C51 type chip.

With reference to fig. 5, in an embodiment of the present invention , the wireless clamp ammeter fixing frame 5 includes a fixing base 501, a vertical rod 503 and a transverse rod, a threaded pipe 502 is disposed in the middle of the fixing base 501, threads are also tapped on an inner side arm of the threaded pipe 502, external threads are tapped on a lower portion of the vertical rod 503, a nut 504 is further sleeved on the vertical rod 503, a clamp 505 is sleeved on the vertical rod 503, a sleeve 506 is fixed on the clamp 505, a cross rod 507 is sleeved in the sleeve 506, the cross rod 507 is tightly clamped in the sleeve 506 through screws, the cross rod 507 can move in the sleeve 5506, a rotating base 508 is disposed in a head portion of the cross rod 507, an extension rod 509 is hinged on the rotating base 508, a clamping portion is movably connected to a terminal of the extension rod 509, the clamping portion includes a clamping base 510, a connecting assembly 512 and a clamping upper seat 511, the clamping upper seat 512 is disposed on the clamping base 510, the clamping upper seat 511 is elastically connected to the clamping base 510, so that a person can measure an elevator car without holding the clamp ammeter 6.

With continuing reference to fig. 3 and 4, in an embodiment of the present invention, two reflective plates 402 are disposed in the embodiment, which are respectively a th reflective plate 402a and a second reflective plate 402b, the th reflective plate 402a and the second reflective plate 402b are disposed in parallel front and back, a connecting piece 403 is connected between the th reflective plate 402a and the second reflective plate 402b, the connecting piece 403 is movably connected with the th reflective plate 402a and the b, respectively, or concave sliding rails 405 are disposed on the upper side and the lower side of the th reflective plate 402a, respectively, sliders 404 are disposed on the upper side and the lower side of the second reflective plate 402b, respectively, the sliders 404 are disposed in a J-shaped mirror symmetry and are engaged in the sliding rails 405, so that the second reflective plate 402b moves on the th reflective plate 402a, and since widths of different elevators are different from widths of an elevator car, a situation that a photoelectric sensor and the reflective plates cannot be aligned may occur during installation, the widths of the second reflective plate 402b are moved, thereby increasing installation accuracy of the installation area, and increasing installation accuracy of the weight.

The utility model has the following working modes;

the method comprises the steps of installing a photoelectric sensor on an elevator car, installing a reflecting plate on a counterweight block, starting the photoelectric sensor, clamping a pincerlike ammeter on any items of three power supplies of a motor, fixing the pincerlike ammeter on the position by using a wireless pincerlike fixing frame, enabling a detection person to operate the elevator car to run, placing 45% of rated load in the elevator car according to the rated load capacity of the elevator to run up and down, starting the elevator to run from the lowest layer to the highest layer, reflecting light emitted by the photoelectric sensor when the light strikes the reflecting plate on the counterweight block, sending a signal to an MCU by a light receiver on the photoelectric sensor after receiving the light signal, sending an instruction to the wireless pincerlike ammeter by a wireless communication circuit after the MCU receives the signal to record current, sending an alarm sound to prompt the detection person to measure the current at the moment of counterweight, and enabling the measurement method to be the same when the elevator runs down.

If the currents measured by the clamp-on ammeter are equal when the elevator operates up and down, the total weight of the weights in the elevator car is divided by the rated load of the elevator, namely the balance coefficient of the elevator, and the balance coefficient of the elevator is 45%;

if the uplink current is larger than the downlink current, the balance coefficient is smaller than 45%, and the number of counter blocks can be increased;

if the uplink current is less than the downlink current, the balance coefficient is greater than 45%, and the number of counter blocks can be reduced;

the balance coefficient is too large, the weight of the counterweight is small, the full-load car can rush through the bottom layer when going downwards, the balance coefficient is too small, the weight of the counterweight is large, the full-load car can rush through the top layer when going upwards, and the balance coefficient is kept between 40% and 50%.

The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.

Claims

The device for measuring the balance coefficient of the automatic recording current value comprises a wireless pincerlike ammeter and is characterized by further comprising a photoelectric sensor and a wireless pincerlike ammeter fixing frame, wherein the wireless pincerlike ammeter is fixed on the wireless pincerlike ammeter fixing frame, the photoelectric sensor is connected with a wireless communication module and a storage battery, the photoelectric sensor, the wireless communication module and the storage battery are all installed on a th magnetic base, the th magnetic base is adsorbed on the side face, facing the counterweight block, of the outside of an elevator car, a photoelectric reflection module is installed on the counterweight block and comprises a second magnetic base and a reflection plate, the second magnetic base is fixed on the counterweight block, and the reflection plate is installed on the second magnetic base.
2. The device for measuring the balance coefficient of an automatic current value recording device according to claim 1, wherein the wireless clamp ammeter fixing frame comprises a fixing base, a vertical rod and a transverse rod, a threaded pipe is arranged in the middle of the fixing base, threads are also tapped on the inner side arm of the threaded pipe, external threads are tapped on the lower portion of the vertical rod, a nut is further sleeved on the vertical rod, a hoop is sleeved on the vertical rod, a sleeve is fixed on the hoop, a transverse rod is sleeved in the sleeve, a rotating base is arranged in the head of the transverse rod, an extension rod is hinged to the rotating base, a clamping portion is movably connected to the end of the extension rod and comprises a clamping base, a connecting assembly and a clamping upper seat, the connecting assembly is arranged on the clamping base, and the clamping upper seat is elastically connected with the connecting assembly.
3. The device for measuring the balance coefficient of automatically recorded current values according to claim 1, wherein two reflectors are provided, namely a reflector and a second reflector, the reflector and the second reflector are arranged in parallel in the front-rear direction, a connecting piece is connected between the reflector and the second reflector and is movably connected with the reflector and the second reflector, or concave slide rails are provided on the upper side and the lower side of the reflector respectively, sliders are provided on the upper side and the lower side of the second reflector respectively, the sliders are arranged in J-shaped mirror symmetry, the sliders are clamped in the slide rails, and the second reflector moves on the reflector.