CN217102575U - Distance measuring device between elevator car and well wall - Google Patents

Abstract

The utility model relates to a range unit technical field provides a distance measuring device between elevator car and well wall, including the main part, install on elevator car, the moving member, remove to set up in the main part, the moving member has wiring slot, and the sensor is installed on the wiring slot, the oscillating piece, the swing sets up in the main part, and with the moving member is articulated, the oscillating piece has the shock attenuation clamping part, the shock attenuation clamping part with the sensor butt, the oscillating piece has a plurality of, and sets up for the interval, and the bolster, one end acts on the moving member, one end acts on the main part, stop gear sets up in the main part, and with the moving member butt. Through above-mentioned technical scheme, the sensor of installing on elevator car among the prior art receives vibrations to influence big problem.

Description

Distance measuring device between elevator car and well wall

Technical Field

The utility model relates to a range unit technical field, it is specific relates to a distance measuring device between elevator car and well wall.

Background

The requirement of 3.7 items in the special equipment safety technical specification TSG T7001-2009: the spacing of the car from the hoistway wall facing the car entrance is not more than 0.15m, which may be increased to 0.20m for a freight elevator with a local height of not more than 0.50m or with vertically sliding doors. The spacing is not limited if the car is equipped with mechanically locked doors and the doors can only be opened in the unlocked area.

The relevant data can be measured using a measuring tape or the like in the inspection, and if the inspection object is a freight elevator having a local height of not more than 0.50m or employing a vertically sliding door, the interval can be increased to 0.20 m. It should be noted that if the distance is found to be not satisfactory in the inspection process, the user may be modified to meet the requirement, such as installing steel plates on the hoistway wall. In addition, if the car is equipped with mechanically locked doors and the doors can only be opened in the unlocking zone, the above-mentioned spacing is not limited, mainly because the device limits the illegal opening behavior of the elevator passengers, and the risk of elevator falling is also eliminated.

Aiming at the detection of the distance between the elevator car and the well wall, the main detection means at present is that tools such as a tape measure and the like are used manually to measure related data, the detection needs to be completed by cooperation of two persons, one person stands on the top of the elevator car to control the elevator to open the car door at each floor, and the other person uses a ruler to measure the distance between the elevator car and the well wall in the elevator car, so that the detection method has the advantages of low efficiency, poor precision, low automation degree, high danger coefficient and influence on the safety of personnel; in the prior art, a sensor is used for measuring distance and is fixed on the wall surface of an elevator car through fasteners such as bolts, and the mounting mode is inconvenient to assemble and disassemble and poor in damping effect, so that the measuring precision of the sensor is influenced.

Therefore, there is a need for an improved ranging apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a distance measuring device between elevator car and well wall has solved among the prior art and has installed the sensor on elevator car and has influenced big problem by vibrations.

The technical scheme of the utility model as follows:

a device for measuring the distance between an elevator cage and a shaft wall comprises,

a main body installed on the elevator car,

a moving member movably disposed on the main body, the moving member having a wire insertion slot, a sensor mounted on the wire insertion slot,

the swinging piece is arranged on the main body in a swinging mode and hinged with the moving piece, the swinging piece is provided with a damping clamping part, the damping clamping part is abutted against the sensor, a plurality of swinging pieces are arranged at intervals,

a buffer member, one end of which acts on the moving member and the other end of which acts on the main body,

and the limiting mechanism is arranged on the main body and is abutted against the moving piece.

As a further technical scheme, the main body is provided with a groove, the moving member is positioned in the groove, the main body is also provided with a plurality of through holes, the through holes are communicated with the groove, and the swinging members respectively penetrate through the through holes and are movably connected to the main body.

As a further technical solution, it also includes,

the guide piece is arranged on the main body and positioned in the groove, and the moving piece is movably arranged on the guide piece.

As a further technical proposal, the moving piece is provided with a limiting hole, the guide piece is provided with a containing groove, the limiting mechanism comprises,

the elastic buckle is arranged in the accommodating groove and is provided with a clamping part, after the moving member moves, the clamping part is clamped in the limiting hole,

the elastic shifting piece is arranged on the moving piece and is provided with a convex part which is abutted against or separated from the clamping part.

As a further technical solution, it also includes,

a protective shell disposed on the elevator car,

the elastic clamping seat is arranged in the protective shell, and the main body is clamped on the elastic clamping seat.

As a further technical solution, the guide member further has a wiring passage, and the wiring passage is communicated with the wiring slot.

The utility model discloses a theory of operation and beneficial effect do:

the utility model discloses in, the inventor has designed one kind and can realize simple and convenient dismouting and effectual distance measuring device of shock attenuation, the device outside is a square casing, the protective housing promptly, protective housing fixed mounting is on elevator car's lateral wall, be provided with the base of a cylindricality in the shell, the main part promptly, main part center department has a recess, install a guide pillar in the recess, the guide pillar is the guide piece promptly, it has a moving member still to overlap on the guide pillar, the slot that supplies the sensor to connect is installed to the upper end of moving member, the slot is wiring slot promptly, and still set up the wiring passageway that the power supply line passed on the guide pillar, the electric wire can be connected to elevator car's power on, and with the plug intercommunication on the slot, so the sensor just can be used by circular telegram after inserting on wiring slot. In addition, the inventor also installs a buffer spring between the moving part and the bottom of the groove, the moving part is installed with a swinging part, the buffer spring is a buffer part and is used for absorbing the vibration transmitted from the elevator car, the swinging part is an L-shaped swinging arm and is hinged on the moving part by passing through a through hole on the main body, the through hole is arranged along the radial inclination of the main body, one position in the middle of the swinging part is movably connected on the wall surface of the main body, one end of the swinging part is hinged with a chuck which can be finely adjusted, the chuck faces to the moving part and is a damping clamping part, the damping clamping part is made of damping materials, therefore, when the sensor is installed, only a plug of the sensor is inserted into a wiring slot and then presses down the moving part, the swinging part swings upwards, the damping clamping part approaches towards the moving part and finally clings to the wall surface of the sensor, the moving part is clamped by a limiting mechanism, and the stable installation of the sensor can be realized, the combined action of the buffer piece and the damping clamping portion can not only fully absorb the vibration in the motion process, keep accurate distance measurement, but also clamp the sensor and improve the stability.

To sum up, the device not only is convenient for the dismouting, still has the steadiness can the height, and the advantage that the practicality is strong.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the main body of the elevator of the present invention mounted on an elevator car;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of an angular perspective structure of the main body of the present invention;

fig. 4 is a schematic view of another angle of the main body of the present invention;

FIG. 5 is a schematic view of another perspective structure of the main body of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of a protective cover of the present invention;

fig. 7 is a schematic perspective view of the middle guide of the present invention;

FIG. 8 is a schematic view of a sensor according to the present invention;

fig. 9 is a schematic view of another form of the sensor of the present invention;

FIG. 10 is an enlarged view of a portion B of FIG. 1;

fig. 11 is a schematic flow chart of the distance measurement using the sensor in fig. 10.

In the figure: 1. the main part, 2, elevator car, 3, moving member, 4, wiring slot, 5, sensor, 6, swinging member, 7, shock attenuation clamping part, 8, bolster, 9, recess, 10, through-hole, 11, guide, 12, spacing hole, 14, elasticity buckle, 15, card portion, 16, elasticity plectrum, 17, convex part, 18, protective housing, 19, elasticity cassette, 20, wiring passageway, 21, well, 22, tripod, 23, locating plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1 to 11, the inventor uses an ultrasonic sensor to measure the distance between an elevator car and a shaft wall, firstly, the distance between the car and the shaft wall and the height data of the elevator stroke are collected, a high sampling rate data sensor can collect the distance between the elevator car and the horizontal plane of the shaft, 360-degree scanning can be realized, the maximum measuring frequency is up to 8000 times/s, and the maximum measuring radius is 12 meters enough to meet the measurement of various elevator shafts; secondly, the acquired data are remotely transmitted to a data terminal for analysis, a remote wireless transparent transmission module is adopted, and the data are subjected to safe encryption and packet loss processing, so that the anti-interference capability is strong; by adopting advanced industrial design concepts such as surge/static prevention, voltage/temperature sensing, EMC electromagnetic shielding, shell ventilation and the like, all-weather uninterrupted work under various complex electromagnetic environments and severe climates can be met; thirdly, receiving and processing the collected distance data, filtering the collected interference data by adopting a filtering algorithm, identifying the edge of the car by utilizing an edge algorithm, forming a 3D (three-dimensional) data model of the well, and comparing the model with standard required data to extract overproof data and position information; the high-precision identification algorithm supports the operation of a deep learning neural network algorithm, integrates a plurality of flexibly configurable high-computation AI processing modules, and has the characteristics of light weight, high performance, low power consumption, flexible computation configuration, convenient access and the like; and finally, uploading the detection data to a cloud server to form a standard detection report. Combine together traditional elevator safety inspection trade and informationization, big data, cloud service, intelligent terminal, optimize and integrate the detection data, be dedicated to realizing the wisdom and detect, change and detect the service mode.

The data acquisition, analysis and processing are realized through the high-precision speed sensor, 360-degree scanning can be realized, and the equipment is intelligent, universal and modern; this measurement project adopts ultrasonic distance sensor, comes to detect car and well wall interval, and the data that detect transmit handheld terminal to through high-speed long-distance wireless transmission module, and handheld terminal carries out data operation and processing via special software after receiving data, receives data processing operation data fast, through comparing measured data and set value, shows qualified and unqualified numerical value, and accurate classification saves.

In summary, this kind of mode includes operating speed, measurement of efficiency, personnel's safety in all aspects, can all obtain comprehensive promotion. The cost of manual operation has effectually been reduced, improves inspection detection efficiency, and easy operation, convenient to carry reduce or avoid elevator inspector's accident risk in traditional operation simultaneously, guarantee elevator people's safety. Combine together traditional elevator safety inspection trade and informationization, big data, cloud service, intelligent terminal, optimize and integrate the detection data, strive for to realize the wisdom and detect, change and detect the service mode, make whole detection flow more high-efficient, convenient, promote user's satisfaction.

As shown in fig. 1 to 6, the present embodiment proposes a distance measuring device between an elevator car 2 and a hoistway wall, and the ultrasonic sensor 5 mentioned in embodiment 1 is mounted on the elevator car 2 so as to keep stable and accurately collect data during the operation of the elevator.

The device outside is a square shell, protective housing 18 promptly, protective housing 18 fixed mounting is on elevator car 2's lateral wall, be provided with a cylindricality base in the shell, main part 1 promptly, main part 1 center department has a recess 9, install a guide pillar in the recess 9, the guide pillar is guide 11 promptly, still the cover has a moving member 3 on the guide pillar, the slot that supplies sensor 5 to connect is installed to the upper end of moving member 3, the slot is wiring slot 4 promptly, and still set up the wiring passageway 20 that the power supply line passed on the guide pillar, the electric wire can be connected to on elevator car 2's the power, and with the plug intercommunication on the slot, so sensor 5 just can the circular telegram use after inserting on wiring slot 4. In addition, the inventor also installs a buffer spring between the moving part 3 and the bottom of the groove 9, the moving part 3 is installed with a swinging part 6, the buffer spring is a buffer part 8 and is used for absorbing the vibration transmitted from the elevator cage 2, the swinging part 6 is an L-shaped swinging arm and is hinged on the moving part 3 by passing through a through hole 10 on the main body 1, the through hole 10 is arranged along the radial inclination of the main body 1, the middle position of the swinging part 6 is movably connected on the wall surface of the main body 1, one end of the swinging part is hinged with a chuck which can be finely adjusted, the chuck faces to the moving part 3 and is a damping clamping part 7, the damping clamping part 7 is made of damping materials, therefore, when the sensor 5 is installed, only the plug of the sensor 5 is inserted into the wiring slot 4, then the moving part 3 is pressed downwards, meanwhile, the swinging part 6 swings upwards, the damping clamping part 7 approaches to the moving part 3, hug closely on sensor 5's wall at last, rethread stop gear blocks moving member 3 and just can realize sensor 5's firm installation, and bolster 8 and 7 combined action of shock attenuation clamping part can not only fully absorb the vibrations in the motion process, keep accurate range finding, can also clip sensor 5, improve stability.

In addition, the swinging member 6 may be installed in plural number, and arranged uniformly in the circumferential direction of the main body 1.

As shown in fig. 1 to 6, the inventor designs the limiting mechanism in the form of a snap, firstly, an accommodating groove is formed on the guide 11, and then an elastic buckle 14 is installed in the accommodating groove, so that the clamping portion 15 of the elastic buckle 14 can extend out of the accommodating groove and can also be completely retracted into the accommodating groove, and then a limiting hole 12 is formed on the moving member 3, so that the clamping portion 15 can extend out of the limiting hole 12 to clamp the moving member 3, and after the moving member 3 is pressed down to a certain position, the clamping portion 15 can be popped out of the limiting hole 12 to clamp the moving member 3, so that the moving member 3 is fixed at the position, and meanwhile, the damping clamping portion 7 of the swinging member 6 also clamps the sensor 5, and the installation of the sensor 5 is completed. In addition, the inventor considers that the damping clamping part 7 needs to be firstly removed when the sensor 5 is detached, so that an elastic shifting piece 16 is further installed on the moving piece 3, a convex part 17 is arranged on the elastic shifting piece 16, the convex part 17 corresponds to the clamping part 15, the convex part 17 can press the clamping part 15 back into the accommodating groove only by pressing the elastic shifting piece 16, and the position of the moving piece 3 can be adjusted by limiting contact of the moving piece 3 at the moment, so that the sensor 5 is detached.

The design can limit the moving part 3 simply, conveniently and quickly, so that the sensor 5 is convenient to mount and dismount.

As shown in fig. 1 to 6, the inventor further installs the elastic clamping seat 19 in the protective cover, so that an annular protrusion can be designed on the bottom surface of the main body 1, the main body 1 can be installed in the protective cover by directly pressing the annular protrusion into the elastic clamping seat 19, the main body 1 is simply installed, and the elastic part on the elastic clamping seat 19 can also play a certain role in shock absorption.

As shown in fig. 7 and 8, the inventor selects a sensor 5 with different shapes to be inserted into the body 1, and can adjust the angle of the sensor 5 or change the number, shape, etc. of the shock-absorbing clamping portions 7 in fig. 8 and 9, so that the shock-absorbing clamping portions 7 can well clamp the wall surface of the sensor 5, and the shock-absorbing clamping portions 7 are not limited to the shapes and numbers shown in the drawings, for example, the clamping surface of the shock-absorbing clamping portion 7 can be designed to be a plane surface in fig. 8 to better adhere to the wall surface of the sensor 5, and the clamping surface of the shock-absorbing clamping portion 7 can be designed to be an arc surface in fig. 9 to better adhere to the cylindrical sensor 5. In addition, the size of the shock absorbing clamping part 7 can be changed according to actual requirements.

Example 2

As shown in fig. 9 and 10, the inventor also proposes another distance measuring method to avoid the situation that the distance measuring cannot be completed because the measuring device cannot be installed in part of the elevator car. The distance measuring mode is that firstly, the sensor 5 is connected with a tripod 22 and is arranged on the top of a car; then, the positioning plate 23 and the monopod are connected and arranged at the edge of the top of the lift car, and the height of the monopod is adjusted to ensure that the height of the positioning plate 23 is consistent with the height of the sensor 5 three hundred sixty degrees rotation distance measuring device; then, a switch of the sensor 5 is turned on, and connection with a handheld terminal such as a tablet computer is established; and then, starting measurement, namely clicking a bottom-taking button on the handheld terminal to finish distance acquisition from the sensor 5 to the positioning plate 23, clicking the handheld terminal to start measurement, simultaneously starting the elevator to the maintenance speed, slowly ascending or descending the elevator at the speed of 0.63m/s, stopping the elevator from running when the elevator runs to the topmost floor or the bottommost floor, and clicking a measurement-finishing button on the handheld terminal to finish the measurement process. And finally, finishing data acquisition on the handheld terminal and obtaining data analysis and measurement results.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A device for measuring the distance between an elevator cage and a shaft wall, which is characterized by comprising,

a main body (1) mounted on an elevator car (2),

a moving member (3) movably disposed on the main body (1), the moving member (3) having a wire insertion slot (4), a sensor (5) mounted on the wire insertion slot (4),

the swinging piece (6) is arranged on the main body (1) in a swinging mode and is hinged with the moving piece (3), the swinging piece (6) is provided with a damping clamping part (7), the damping clamping part (7) is abutted against the sensor (5), a plurality of swinging pieces (6) are arranged at intervals,

a buffer member (8) having one end acting on the moving member (3) and one end acting on the main body (1),

the limiting mechanism is arranged on the main body (1) and abutted against the moving piece (3), and is used for limiting the moving piece (3).

2. The device for measuring the distance between the elevator car and the wall of the hoistway according to claim 1, wherein the main body (1) is provided with a groove (9), the moving member (3) is positioned in the groove (9), the side wall of the groove (9) is provided with a plurality of through holes (10), and a plurality of oscillating members (6) are movably connected to the main body (1) through the plurality of through holes (10) respectively.

3. The apparatus of claim 2, further comprising,

the guide piece (11) is arranged on the main body (1) and located in the groove (9), and the moving piece (3) is movably arranged on the guide piece (11).

4. A device for measuring the distance between an elevator car and a wall of a shaft according to claim 3, characterized in that the moving member (3) has a stopper hole (12), the guide member (11) has a receiving groove, the stopper mechanism comprises,

the elastic buckle (14) is arranged in the accommodating groove, the elastic buckle (14) is provided with a clamping part (15), after the moving part (3) moves, the clamping part (15) is clamped in the limiting hole (12),

and the elastic shifting piece (16) is arranged on the moving piece (3), the elastic shifting piece (16) is provided with a convex part (17), and the convex part (17) is abutted to or separated from the clamping part (15).

5. The apparatus of claim 1, further comprising,

a protective casing (18) provided on the elevator car (2),

the elastic clamping seat (19) is arranged in the protective shell (18), and the main body (1) is clamped on the elastic clamping seat (19).

6. A device for measuring the distance between an elevator car and a wall of a shaft according to claim 3, characterized in that the guide (11) has a wiring passage (20), the wiring passage (20) communicating with the wiring socket (4).

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