阅读说明：本技术 报警自调臂 (Alarm self-adjusting arm ) 是由 徐跃荣 李跃进 赵志刚 石峰 于 2019-09-30 设计创作，主要内容包括：本发明公开报警自调臂,包括自调臂本体,自调臂本体具有壳体和蜗轮,蜗轮的外圆周面上竖直部开设有若干检测孔,壳体上可圆弧部分开设有螺纹通孔,螺纹通孔的轴线与任一检测孔的轴线重合,螺纹通孔内螺纹连接有一电磁式接近开关,电磁式接近开关连接有光报警器。本发明工作时随着蜗轮转动,当电磁式接近开关没有检测到检测孔时,电磁式接近开关处于接通状态光报警器的灯亮,当电磁式接近开关检测到检测孔时电磁式接近开关处于断开状态光报警器的灯灭。(The invention discloses an alarm self-adjusting arm which comprises a self-adjusting arm body, wherein the self-adjusting arm body is provided with a shell and a worm wheel, a plurality of detection holes are formed in the vertical part of the outer circumferential surface of the worm wheel, a threaded through hole is formed in the circular arc-shaped part of the shell, the axis of the threaded through hole is superposed with the axis of any detection hole, an electromagnetic proximity switch is connected with the threaded through hole in a threaded manner, and the electromagnetic proximity switch is connected with an optical alarm. When the electromagnetic proximity switch detects the detection hole, the light of the optical alarm is turned off when the electromagnetic proximity switch is in an off state.)

1. Alarm autoleveling arm, including autoleveling arm body, autoleveling arm body has casing and worm wheel, its characterized in that, a plurality of inspection holes have been seted up to vertical portion on the outer periphery of worm wheel, but the circular arc part has seted up the screw thread through-hole on the casing, the axis of screw thread through-hole with arbitrary the axis coincidence of inspection hole, screw thread through-hole female connection has an electromagnetic type proximity switch, electromagnetic type proximity switch is connected with the light alarm, along with the worm wheel rotates, when electromagnetic type proximity switch did not detect the inspection hole, the lamp that electromagnetic type proximity switch is in on-state light alarm is bright, and the lamp that electromagnetic type proximity switch is in off-state light alarm goes out when electromagnetic type proximity switch detected the inspection hole.

2. The alarm self-tuning arm of claim 1 wherein the electromagnetic proximity switch is a type proximity switch LJ6a3-1-Z/EX dc two-wire normally open switch.

3. The alarm self-adjusting arm according to claim 1, wherein the detection hole at least comprises a correction hole, and the correction hole is used as an installation starting point of the worm wheel.

4. The alarm self-adjusting arm according to claim 1, wherein the diameter of the detection hole is 5mm-8mm, and the depth of the hole is less than 3 mm.

5. The alarm self-tuning arm of claim 1 wherein the nominal diameter of the threaded through hole is 5mm to 10 mm.

6. The alarm autolevel as recited in claim 1, wherein an axis of the sensing hole is perpendicular to an axis of the worm gear.

Technical Field

The invention belongs to the technical field of brakes for transmitting rotary motion, and particularly relates to an alarm self-adjusting arm.

Background

At present, no device for prompting failure of the adjusting arm exists in the market, the failure is fatal, and the braking efficiency is reduced to a great extent due to failure, so that the driving safety risk is brought. Furthermore, the authorities state that the alarm arm must respond quickly and that the alarm circuit is on during normal conditions and that the alarm circuit is off when the brake lining needs to be replaced.

Disclosure of Invention

In order to solve the problems, the invention discloses an alarm self-adjusting arm, aiming at solving the problems that the existing adjusting arm is slow in response and does not conform to the regulations of related departments and the like.

In order to achieve the purpose, the invention adopts the technical scheme that:

alarm self-modulation arm, including the self-modulation arm body, the self-modulation arm body has casing and worm wheel, a plurality of inspection holes have been seted up to vertical portion on the outer periphery of worm wheel, but the circular arc part has seted up the screw thread through-hole on the casing, the axis of screw thread through-hole with arbitrary the axis coincidence of inspection hole, screw thread through-hole female connection has an electromagnetic type proximity switch, the electromagnetic type proximity switch is connected with the light alarm, along with the worm wheel rotates, when the electromagnetic type proximity switch did not detect the inspection hole, the lamp that the electromagnetic type proximity switch is in on-state light alarm was bright, and the lamp that the electromagnetic type proximity switch was in off-state light alarm goes out when the inspection hole was detected to the.

Preferably, the electromagnetic proximity switch is a proximity switch LJ6A3-1-Z/EX direct current two-wire normally open switch.

Preferably, the detection hole at least comprises a correction hole, and the correction hole is used as an installation starting point of the worm wheel.

Preferably, the aperture of the detection hole is 5mm-8mm, and the hole depth is less than 3 mm.

Preferably, the nominal diameter of the threaded through hole is 5mm-10 mm.

Preferably, the axis of the detection hole is perpendicular to the axis of the worm wheel.

Compared with the prior art, the invention has the beneficial effects that:

1. the electromagnetic proximity switch is adopted, so that the detected object cannot be abraded or damaged, the reaction speed is high, and the service life is longer;

2. according to the invention, the vertical part on the outer circumferential surface of the worm wheel is provided with the plurality of detection holes, the circular arc part on the shell is provided with the threaded through hole, the axis of the threaded through hole is superposed with the axis of any detection hole, the processing technology is simple, and the processing cost is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 and 2, warning auto-modulation arm, including auto-modulation arm body 1, auto-modulation arm body 1 has casing 2 and worm wheel 3, a plurality of inspection holes 4 have been seted up to vertical portion on the outer periphery of worm wheel 3, but the circular arc portion part is equipped with screw thread through-hole 5 separately on casing 2, the axis of screw thread through-hole 5 with arbitrary the axis coincidence of inspection hole 4, screw thread through-hole 5 female connection has an electromagnetic type proximity switch 6, electromagnetic type proximity switch 6 is connected with the light alarm, rotates along with worm wheel 3, and when electromagnetic type proximity switch 6 did not detect inspection hole 4, electromagnetic type proximity switch 6 was in the lamp of on-state light alarm and was bright, and electromagnetic type proximity switch 6 was in the lamp of off-state light alarm when electromagnetic type proximity switch 6 detected inspection hole 4.

The electromagnetic proximity switch 6 is a proximity switch LJ6A3-1-Z/EX direct current two-wire normally open switch.

The detection hole 4 at least comprises a correction hole which is used as an installation starting point of the worm wheel 3.

The aperture of the detection hole 4 is 5mm-8mm, and the hole depth is less than 3 mm.

The nominal diameter of the threaded through hole 5 is 5mm-10 mm.

The axis of the detection hole 4 is perpendicular to the axis of the worm wheel 3.

The worm wheel 3 has a gear portion and a vertical portion on its outer circumferential surface.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.