JP3239229U - Ultrasonic components for anti-collision protection of bucket wheel machines - Google Patents

Abstract

An anti-collision protection component for bucket wheel machines is provided that protects the internal ultrasonic ranging module from dust. A cover plate is installed on the upper part of the protective shell, a mounting base is fixedly connected to the rear surface of the protective shell, screw holes are provided at the four corners of the upper part of the protective shell, and the internal cavity of the protective shell is fitted with a screw hole. An ultrasonic ranging module is installed, a dustproof assembly is installed on the inner wall of the protective shell, the dustproof assembly has a support plate 5, one side of the support plate is fixedly connected to the inner wall of the protection shell, and the upper part of the support plate A fixing block 501 is fixedly connected to , two circular tubes 502 are symmetrically arranged on the upper part of the fixing block, and an airbag 503 is installed in the inner lumen of the two circular tubes. The airbag in the circular tube is pressed by the pressing block on the cover plate to push out the airbag in another tube, and the dustproof plate 504 is attached to the connecting portion between the cover plate and the protective shell 1.例文帳に追加[Selection drawing] Fig. 3

Description

This utility model relates to the field of ultrasonic ranging technology, and more particularly to an ultrasonic component for anti-collision protection of bucket wheel machines.

Conventional technology

BACKGROUND ART Ultrasound is a mechanical wave whose vibration frequency is higher than that of sound waves and is produced by the vibration of a transducer tip under voltage excitation. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, particularly good directivity, and it becomes a ray and propagates in one direction.
Ultrasonic rangefinders are often installed on the frame of bucket-wheel machines operating at coal mining sites for collision avoidance. The working environment of this ultrasonic ranging instrument has a lot of dust and coal ash, and the dust-proof effect of the protective shell outside the instrument is poor.
Damage the equipment and affect the normal operation of the bucket wheel machine.

Content of the utility model is to submit ultrasonic components for.

In order to achieve the above objectives, this utility model adopts the following technical solutions.
An ultrasonic component for anti-collision protection of a bucket wheel machine, comprising a protection shell, a cover plate is installed on the top of the protection shell, a mounting base is fixedly connected to the back of the protection shell, and the protection shell is screw holes are provided in the upper four corners of the protective shell, an ultrasonic ranging module is installed in the inner cavity of the protective shell, a dustproof assembly is installed in the inner wall of the protective shell,
A dustproof assembly, wherein the dustproof assembly comprises a support plate, one side of the support plate is fixedly connected to the inner wall of the protective shell, a fixed block is fixedly connected to the upper part of the support plate, and the fixed block is Two circular tubes are symmetrically arranged on the upper part, an airbag is installed in the inner cavity of the two circular tubes, and a dustproof plate is installed on the upper part of one of the circular tubes, and the dustproof plate A plurality of positioning sliders are fixedly connected to the side walls at equal distances.
Preferably, a pressing block is fixedly connected to the bottom of said cover plate, the bottom of said pressing block engaging the lumen of another circular tube.
Preferably, an ultrasonic ranging probe is installed in front of the ultrasonic ranging module, and a mounting plate is fixedly connected to a lower portion of the ultrasonic ranging module.
Preferably, a buffer groove is provided in the lower part of the inner cavity of the protective shell,
Chutes are provided on both sides of the inner wall of the buffer groove.
Preferably, a sliding plate is installed in the lumen of the buffer groove, sliders are fixedly connected to both sides of the sliding plate, and two sliders are respectively slidably connected to the lumens of the two chutes. be done.
Preferably, a slide rod is slidably connected through the central portion of the slide plate, and two buffer springs are provided on outer walls of the slide rod.

Compared with the prior art, the beneficial effects of this utility model are as follows.
1. This utility model uses the dustproof assembly design to press the airbag in the circular tube through the pressing block on the cover plate, and then push out the airbag in the other circular tube under the action of gas. Push up the dustproof plate. The top and side walls of the dust-proof plate are attached to the joints of the cover plate and the protective shell, respectively, to protect the internal ultrasonic ranging module from dust.
This utility model is based on the mutual cooperation of the sliding plate and its parts, the central part of the sliding plate can slide along the outer wall of the sliding rod, and the sliding plate has two front and rear ends. The damping spring is compressed or extended, and the force is balanced and stabilized by the action of elastic force to provide damping protection for the ultrasonic ranging module.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of the overall structure of an anti-collision protection ultrasonic component of a bucket wheel machine provided by the present utility model; 1 is a schematic view of the protective shell lumen structure of the anti-collision protective ultrasonic component of the bucket wheel machine provided by the present utility model; FIG. FIG. 2 is an enlarged structural schematic diagram of part A of FIG. FIG. 2 is a structural schematic view of the cover plate of the ultrasonic component for anti-collision protection of the bucket wheel machine provided by the present utility model; 1 is a schematic diagram of the ultrasonic ranging module structure for anti-collision protection of a bucket wheel machine provided by the present utility model; FIG. 1 is a schematic view of the sliding plate structure of the ultrasonic component for anti-collision protection of the bucket wheel machine provided by the present utility model; FIG.

[Description of symbols]
Here, 1 protective shell, 101 screw holes, 103 buffer grooves, 104 chute, 2 cover plate, 201 pressing block, 3 mounting base, 4 ultrasonic ranging module, 401 ultrasonic ranging probe, 5 support plate, 501 fixing Block, 502 circular tube, 503 airbag, 504 dustproof plate, 505 positioning slider, 6 sliding plate, 601
Sliding rod, 602 buffer spring.

Specific Embodiments Here, the technical solutions of the embodiments of the utility model are described clearly and completely together with the accompanying drawings of the embodiments of the utility model. Of course, the embodiments described here are some embodiments of the present utility model, but not all embodiments.

1 to 6, an ultrasonic component for anti-collision protection of a bucket wheel machine, comprising a protective shell 1, the protective shell 1 protecting the internal ultrasonic components,
A cover plate 2 is installed on the top of the protective shell 1, the cover plate 2 can seal the top of the protective shell 1, and a mounting base 3 is fixedly connected to the back of the protective shell 1, and the mounting base 3 is attached to the device. The whole can be fixed on the frame of the bucket wheel machine, it is used for ultrasonic ranging, and the central control device inside the bucket wheel realizes the anti-collision protection function.
Screw holes 101 are provided in the upper four corners of the protective shell 1, corresponding to the holes on the cover plate 2, and the cover plate 2 can be fixed to the upper part of the protective shell 1 by tightening bolts. An ultrasonic ranging module 4 is installed in the inner cavity of the protective shell 1, and an ultrasonic ranging probe 40 is placed in front of the ultrasonic ranging module 4.
1 is installed, the mounting plate is fixedly connected to the lower part of the ultrasonic ranging module 4, the mounting plate is fixed to the upper part of the sliding plate 6 through bolts, the sliding plate 6 and its connection mechanism are The ultrasonic ranging module 4 can be buffer protected.
A buffer groove 103 is provided in the lower part of the inner cavity of the protective shell 1, and chutes 104 are formed on both sides of the inner wall of the buffer groove 103.
is provided, and the sliding plate 6 is installed in the inner cavity of the buffer groove 103 . When an emergency occurs and the bucket wheel machine is stopped urgently, the ultrasonic ranging module 4 moves forward together with the sliding plate 6 under the action of inertia, and the two ends of the sliding plate 6 are fixedly connected to the sliders. , the two sliders slide under the driving of the sliding plate 6, the two sliders are respectively slidably connected in the lumens of the two chutes 104, and the sliders slide along the lumens of the chutes 104 .
A sliding rod 601 is slidably connected to the central portion of the sliding plate 6, and when the sliding plate 6 slides, the central portion of the sliding plate 6 moves along the outer wall of the sliding rod 601. 2 on the outer wall of the sliding rod 601
Two buffer springs 602 are covered, and the sliding plate 6 compresses the buffer spring 602 at the front end. At this time, the buffer spring 602 at the rear end is stretched, and the sliding plate 6 is slowly balanced between the two elastic forces, further realizing the buffer protection function for the ultrasonic ranging module 4 .
A dust-proof assembly is installed on the inner wall of the protective shell 1, and the dust-proof assemblies are divided into four groups, which are installed at the four corners of the inner wall of the protective shell 1, respectively. The dust protection assembly has a support plate 5,
One side of the support plate 5 is fixedly connected to the inner wall of the protective shell 1, and the upper part of the support plate 5 is fixed block 5
01 is fixedly connected, a cavity is installed inside the fixing block 501, and the inside and the two circular tubes 502 penetrate each other, and the two circular tubes 502 are symmetrical on the upper part of the fixing block 501 The airbag 503 is installed in the inner lumen of the two circular tubes 502 , and the outer wall of the airbag 503 and the inner lumen of the circular tube 502 and the fixing block 501 are fitted. A dust-proof plate 504 is installed on the upper part of one of the circular tubes 502, and the upper part of the airbag 503 in this circular tube 502 protrudes from the upper part of the lumen of the circular tube 502, and the air in the other circular tube 502 The top of bag 503 is slightly lower than the top of circular tube 502 .
A pressing block 201 is fixedly connected to the lower part of the cover plate 2, and a total of four pressing blocks 201 are installed. Align. The pressing block 201 enters the lumen of the corresponding circular tube 502 and the bottom of the pressing block 201 is another
It engages the lumen of the circular tube 502 of the book. The pressing block 201 presses the airbag 503,
Since the volume of the air inside the airbag 503 is fixed, when the air inside the airbag 503 flows into the other circular tube 502, the upper portion of the airbag 503 in the circular tube 502 inflates, and the airbag 503 becomes circular. The upper part of the tube 502 is exposed to push up the dustproof plate 504, and the upper part and side walls of the dustproof plate 504 are attached to the connecting parts of the cover plate 2 and the protective shell 1, respectively, to protect the ultrasonic rangefinder module 4 inside from dust. do.
A plurality of positioning sliders 505 are fixedly connected to the side wall of the dust-proof plate 504 at equal distances, and the inner wall of the protective shell 1 is provided with corresponding grooves, and the dust-proof plate 504 slides along the inner wall of the protective shell 1 when , the positioning slider 505 can slide along the inner wall of the groove by driving the dust-proof plate 504, and the dust-proof plate
504 can only move up and down within a limited range.
In this utility model, when installing, first align the lower part of the mounting plate with the upper part of the sliding plate 6,
After fixing the mounting plate with bolts, the ultrasonic ranging module 4 can be fixed in the inner cavity of the protective shell 1 .
Then put the cover plate 2 on the top of the protective shell 1, the hole on the cover plate 2 is the screw hole 101 on the protective shell 1
, and the pressing block 201 enters the inner cavity of the corresponding circular tube 502 when the cover plate 2 is driven. At this time, the pressing block 201 presses the airbag 503, the air inside the airbag 503 enters another circular tube 502, the upper part of the airbag 503 inside the circular tube 502 inflates, and the airbag 503 pushes the circular tube 502 , and pushes up the dustproof plate 504 .
The airbag 503 pushes the dustproof plate 504 upward, and the positioning slider 505
slides up and down by driving the dustproof plate 504, and the positioning slider 505 slides upward along the inner wall of the groove on the inner wall of the protective shell 1. As shown in FIG. At this time, the upper end and side walls of the dust-proof plate 504 cover the connecting portions of the cover plate 2 and the protective shell 1, respectively.
When an emergency situation occurs and the bucket wheel machine is urgently stopped, under the action of inertia, the ultrasonic ranging module 4 moves forward together with the sliding plate 6, and the two sliders slide under the driving of the sliding plate 6. and the slider slides along the lumen of chute 104 . The central part of the sliding plate 6 slides along the outer wall of the sliding rod 601, the sliding plate 6 compresses the buffer spring 602 at the front end, and at the same time, the sliding plate 6 expands the buffer spring 602 at the rear end. , and the sliding plate 6 gradually balances between these two elastic forces to reach a stable state, keeping the ultrasonic ranging module 4 from shaking.

The above are more preferred specific embodiments of the present utility model, and do not limit the protection scope of the present utility model. A person skilled in the art should know that in the technical scope disclosed by this utility model, equivalent replacements and modifications made based on the technical solution of this utility model and the concept of this utility model shall fall within the protection scope of this utility model. and

Claims (6)

An ultrasonic component for anti-collision protection of a bucket wheel machine, comprising a protective shell (1
), a cover plate (2) is installed on the top of the protective shell (1), a mounting base (3) is fixedly connected to the back of the protective shell (1), and the protective shell (1) is Screw holes (101) are provided in the upper four corners, an ultrasonic ranging module (4) is installed in the inner cavity of the protective shell (1), a dustproof assembly is installed on the inner wall of the protective shell (1),
The dustproof assembly, the dustproof assembly comprises a support plate (5), one side of the support plate (5) is fixedly connected to the inner wall of the protective shell (1), and fixed to the top of the support plate (5). A block (501) is fixedly connected, two circular tubes (502) are symmetrically arranged on the upper part of the fixed block (501), and an airbag is installed in the inner lumen of the two circular tubes (502). (503), in which a dust-proof plate (504) is installed on the top of a circular tube (502), and a plurality of positioning sliders (505) are fixedly connected to the side walls of the dust-proof plate (504). characterized by being The ultrasonic component for anti-collision protection of bucket wheel machine according to claim 1, wherein a pressing block (201) is fixedly connected to the lower part of the cover plate (2), and the pressing block (201
) is characterized by engaging the lumen of another circular tube (502). The ultrasonic component for anti-collision protection of bucket wheel machine according to claim 1, wherein an ultrasonic ranging probe (401) is installed in front of the ultrasonic ranging module (4), and the ultrasonic ranging A mounting plate is fixedly connected to the lower part of the module (4). The ultrasonic component for anti-collision protection of bucket wheel machine according to claim 3, wherein a buffer groove (103) is provided in the lower part of the inner cavity of the protective shell (1), and the inner wall of the buffer groove (103) Chutes (104) are provided on both sides of the The ultrasonic component for anti-collision protection of bucket wheel machine according to claim 4, wherein a sliding plate (6) is installed in the inner cavity of the buffer groove (103), and both sides of the sliding plate (6) and two said sliders are slidably connected to the lumens of the two chutes (104) respectively. 6. The ultrasonic component for anti-collision protection of a bucket wheel machine according to claim 5, wherein a sliding rod (601) is slidably connected through the central portion of the sliding plate (6), and the The outer wall of the sliding rod (601) is covered with two buffer springs (602).

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