CN213231085U - Elevator brake shoe wear monitoring and grading early warning device - Google Patents
Elevator brake shoe wear monitoring and grading early warning device Download PDFInfo
- Publication number
- CN213231085U CN213231085U CN202022153451.2U CN202022153451U CN213231085U CN 213231085 U CN213231085 U CN 213231085U CN 202022153451 U CN202022153451 U CN 202022153451U CN 213231085 U CN213231085 U CN 213231085U
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- brake
- wear
- elevator
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to an elevator brake shoe wear monitoring and grading early warning device, which comprises a brake wheel, brake arms arranged at both sides of the brake wheel, brake shoes fixedly arranged on the brake arms, a wear monitoring component, a wear signal processing module and a grading early warning component, wherein the wear monitoring component comprises a plurality of pre-buried lines arranged inside the brake shoes, the pre-buried lines are sequentially arranged along the thickness direction of the brake shoes to form a plurality of wear monitoring arc surfaces, the wear signal processing module is respectively connected with the pre-buried lines and the grading early warning component, the grading early warning component comprises a warning lamp, a monitoring center alarm and an elevator controller, the wear signal processing module judges which grade of wear is currently positioned through processing pre-buried line signals and controls the grading early warning component to realize grading early warning, compared with the prior art, the utility model has the advantages of the accuracy is high, efficient and the reliability is high.
Description
Technical Field
The utility model relates to an elevator safety monitoring especially relates to an elevator braking brake shoe wear monitoring and hierarchical early warning device.
Background
With the rapid development of national economy and the continuous acceleration of modern processes, elevators have become indispensable vertical transportation means in modern society, and the safety performance of the elevators also becomes a hot spot of wide attention of the whole society. The brake is the most important safety part of the elevator, and in recent years, the brake shaft shoe is seriously abraded to cause insufficient brake force, so that the accidents of car slipping and top rushing of the elevator are caused, and great property loss and casualties are caused. Therefore, it is very necessary to monitor and warn of elevator brake shoe wear.
At present, the wear monitoring of the brake shoe is mainly realized by observing or measuring the gap between the brake shoe and a maintenance worker through naked eyes, but the method has low precision and can not realize real-time monitoring and timely early warning because the method seriously depends on the responsibility, experience value and detection frequency of the maintenance worker. Fig. 1 is a schematic view of a prior art brake wheel and shoe of an elevator brake. When the brake wheel works normally, the middle brake wheel 1 rotates; when braking is needed, the two brake arms 2 clamp the brake wheel 1 in a butt-clamping mode. The brake arm 2 is not in direct contact with the brake wheel 1, but is rubbed against the brake wheel 1 by means of a brake shoe 3 provided thereon. The brake shoe 3 belongs to a wearing part and needs to be replaced periodically according to the size of the abrasion loss.
Chinese patent application No. 2016203506626 discloses "wear limit alarm device for brake pad of elevator traction machine band-type brake", which discloses the idea of providing a detection device in the brake pad to detect the amount of wear of the brake pad of the band-type brake, but still has some problems, such as: no hierarchical detection is performed, which makes the detection result less accurate, and moreover: nor is some of the responses and actions after the detection means is triggered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevator brake shoe wear monitoring and hierarchical early warning device that the accuracy is high, efficient and the reliability is high in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an elevator brake shoe wear monitoring and hierarchical early warning device, includes the braked wheel, sets up in the brake arm of braked wheel both sides and the fixed brake shoe that sets up on the brake arm, the device still includes wear monitoring subassembly, wearing and tearing signal processing module and hierarchical early warning subassembly, wear monitoring subassembly include a plurality of buried lines that set up in the inside of brake shoe, a plurality of buried lines set gradually along the thickness direction of brake shoe, form a plurality of wear monitoring cambered surfaces, wearing and tearing signal processing module be connected with a plurality of buried lines and hierarchical early warning subassembly respectively, hierarchical early warning subassembly include warning light, surveillance center alarm and elevator controller, wear signal processing module is through the processing to the buried line signal in advance, judges the wearing and tearing of which rank is in at present to hierarchical early warning subassembly realization hierarchical early warning is controlled.
Furthermore, the embedded line is a circular arc-shaped embedded line and is arranged concentrically with the brake wheel, so that even if the brake shoe is installed in a wrong position and accidentally deviates from the brake wheel, the abrasion amount of the brake shoe is not uniform, and the brake shoe can be triggered by abrasion.
Preferably, the number of the embedded lines is at least three, the brake wheel side braking arm side sequentially comprises a first embedded line, a second embedded line and a third embedded line to form a plurality of abrasion monitoring arc surfaces, and the abrasion monitoring arc surfaces are matched with the warning lamp, the monitoring center alarm and the elevator controller together to realize three-level grading early warning.
Further preferably, the first embedded line is a quarter of the thickness of the brake shoe from the side of the brake shoe close to the brake wheel.
Further preferably, the interval between the first embedded line and the second embedded line is one fourth of the thickness of the brake shoe.
Further preferably, the interval between the second embedded line and the third embedded line is one fourth of the thickness of the brake shoe.
Furthermore, the two ends of the embedded line are respectively connected with the abrasion signal processing module, when the embedded line is abraded, the corresponding signal is interrupted, and the abrasion signal processing module can quickly know which embedded line is abraded, so that the current abrasion grade can be quickly judged.
Preferably, the embedded line is made of a soft material, so that the brake wheel is prevented from being scratched, and a brass embedded line or a red copper embedded line is preferred.
Further preferably, the cross-sectional shape of the embedded line is free of fixed shapes, preferably circular.
Furthermore, the abrasion signal processing module is respectively connected with the warning lamp, the monitoring center alarm and the elevator controller through the control cabinet.
Compared with the prior art, the utility model has the advantages of it is following:
1) compared with the direct measurement and visual measurement method in the prior art, the utility model discloses set up the pre-buried line in the brake shoe, through the monitoring to the signal of pre-buried line, realize the monitoring to brake shoe degree of wear, the monitoring result is more accurate, can accomplish real-time supervision and early warning in time, has avoided human error;
2) in the utility model, the embedded line in the brake shoe is directly connected with the abrasion signal processing module, so that the real-time monitoring can be realized in the elevator running process, the problem of equipment shutdown caused by a direct measurement method and a visual measurement method in the prior art is avoided, and the brake shoe abrasion detection efficiency is greatly increased;
3) the utility model discloses set up hierarchical early warning subassembly, can carry out hierarchical early warning according to the wearing and tearing signal that the buried line sent, when wearing and tearing to first buried line, when being in first-level early warning promptly, the brake shoe still can continue to use a period, is favorable to elevator maintenance unit to prepare in advance, and sufficient spare part improves follow-up brake shoe and changes efficiency;
4) the utility model discloses a buried line all sets up with the braked wheel is concentric, even take place brake shoe mounted position mistake, brake shoe like this and for the unexpected skew of braked wheel, also can be triggered by wearing and tearing, avoids not triggering or mistriggering because of the inhomogeneous reason of brake shoe wearing and tearing, and the reliability is high.
Drawings
FIG. 1 is a schematic illustration of a prior art elevator brake drum and shoe;
FIG. 2 is a schematic view of a brake shoe wear monitoring and grading pre-warning structure;
FIG. 3 is a schematic diagram of a brake shoe wear grading warning process.
Wherein: 1. the brake comprises a brake wheel, 2, a brake arm, 3, a brake shoe, 31, a first embedded wire, 32, a second embedded wire, 33, a third embedded wire, 4, a wear signal processing module, 51, a warning light, 52, a monitoring center alarm, 53 and an elevator controller.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example (b):
the utility model provides an elevator brake shoe wear monitoring and hierarchical early warning device, including braked wheel 1, set up in the brake arm 2 of braked wheel 1 both sides and fixed brake shoe 3 that sets up on brake arm 2, the device still includes the wear monitoring subassembly, wearing and tearing signal processing module 4 and hierarchical early warning subassembly, the wear monitoring subassembly includes a plurality of pre-buried lines that set up in brake shoe 3 inside, a plurality of pre-buried lines set gradually along the thickness direction of brake shoe 3, form a plurality of wear monitoring cambered surfaces, wearing and tearing signal processing module 4 is connected with a plurality of pre-buried lines and hierarchical early warning subassembly respectively, hierarchical early warning subassembly includes warning light 53, surveillance center alarm 52 and elevator controller 53.
The brake arm 2 side of the side direction of braked wheel 1 includes first pre-buried line 31, second pre-buried line 32 and third pre-buried line 33 in proper order, and three pre-buried lines are convex pre-buried line, and set up with braked wheel 1 is concentric. The distance between the first embedded line 31 and the side face of the brake shoe 3 close to the side of the brake wheel 1 is a quarter of the thickness of the brake shoe 3, the interval between the first embedded line 31 and the second embedded line 32 is a quarter of the thickness of the brake shoe 3, the interval between the second embedded line 32 and the third embedded line 33 is a quarter of the thickness of the brake shoe 3, the embedded lines are made of soft materials to avoid scratching the brake wheel, preferably brass and red copper, and the cross section of the embedded lines is not in a fixed shape and is preferably circular.
The embedded line can trigger the abrasion signal processing module in any one of the prior art, in this embodiment, two ends of the embedded line are respectively connected with the abrasion signal processing module 4, when the embedded line is abraded, the corresponding signal is interrupted, the abrasion signal processing module 4 sends a certain signal after processing, and the abrasion signal processing module 4 is respectively connected with the warning lamp 53, the monitoring center alarm 52 and the elevator controller 53 through the control cabinet 6.
The signals corresponding to the first buried line 31, the second buried line 32 and the third buried line 33 are general wear, heavy wear and severe wear in sequence.
When the abrasion reaches the first abrasion monitoring arc surface where the first embedded line 31 is located, the abrasion reaches a certain degree, general abrasion is formed, the abrasion signal processing module 4 transmits the result to the control cabinet 6, and the control cabinet 6 controls the warning lamp 51 to send a certain prompt or alarm signal, for example, the indicator lamp changes color, so that an elevator maintenance worker is prompted. The elevator maintenance personnel should further determine the wear of the brake shoe 3 by relevant detection such as a brake test. If the detection result shows that the brake shoe 3 can not provide the force required by braking, the brake shoe should be replaced in time; if the detection result shows that the brake shoe can provide the force required by braking, the detection frequency is strengthened at the later stage, and the brake shoe is prevented from being rapidly deteriorated to cause accidents.
If the brake shoe 3 is not replaced after general wear is achieved, after the elevator runs for a period of time, the brake shoe 3 is worn to the second wear monitoring arc surface where the second embedded line 32 is located, the wear signal processing module 4 transmits the result to the control cabinet 6, the control cabinet 6 transmits a signal to the elevator monitoring center through the signal transmission module, and the monitoring center alarm 52 informs the monitoring headquarters that the elevator should be replaced by a new brake shoe.
If the brake shoe 3 is not replaced after the elevator runs for a while, the brake shoe 3 is worn to the third wear monitoring arc surface where the third embedded line 33 is located after the elevator runs for a while, at the moment, the elevator is very dangerous, the phenomenon of brake failure can occur at any time, and the elevator must be forced to stop running. After the abrasion signal processing module 4 transmits the result to the control cabinet 6, the control cabinet 6 sends a control signal, the elevator runs to the base station layer through the elevator controller 53, the door is opened to standby, the elevator does not start running any more until a maintenance worker goes to the site to process.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an elevator braking brake shoe wear monitoring and hierarchical early warning device, includes braked wheel (1), sets up in brake arm (2) and the fixed brake shoe (3) that set up on brake arm (2) of braked wheel (1) both sides, its characterized in that, the device still include wear monitoring subassembly, wearing and tearing signal processing module (4) and hierarchical early warning subassembly, wear monitoring subassembly include a plurality of pre-buried lines that set up in brake shoe (3) inside, a plurality of pre-buried lines set gradually along the thickness direction of brake shoe (3), form a plurality of wearing and tearing monitoring cambered surfaces, wearing and tearing signal processing module (4) be connected with a plurality of pre-buried lines and hierarchical early warning subassembly respectively, hierarchical early warning subassembly include warning light (51), surveillance center alarm (52) and elevator controller (53).
2. The device for monitoring and grading the wear of the elevator brake shoe according to claim 1, wherein the embedded line is a circular arc-shaped embedded line and is concentrically arranged with the brake wheel (1).
3. The elevator brake shoe wear monitoring and grading early warning device according to claim 1 or 2, characterized in that at least three pre-buried lines are provided, and the brake wheel (1) side to the brake arm (2) side sequentially comprises a first pre-buried line (31), a second pre-buried line (32) and a third pre-buried line (33).
4. The device for monitoring and grading the wear of the brake shoe of the elevator as claimed in claim 3, wherein the distance between the first embedded line (31) and the side of the brake shoe (3) close to the brake wheel (1) is one quarter of the thickness of the brake shoe (3).
5. The elevator brake shoe wear monitoring and grading pre-warning device according to claim 4, characterized in that the first pre-buried line (31) and the second pre-buried line (32) are separated by a quarter of the thickness of the brake shoe (3).
6. The elevator brake shoe wear monitoring and grading pre-warning device according to claim 5, characterized in that the second pre-buried line (32) and the third pre-buried line (33) are separated by a quarter of the thickness of the brake shoe (3).
7. The elevator brake shoe wear monitoring and grading early warning device according to claim 1 or 2, characterized in that two ends of the embedded line are respectively connected with the wear signal processing module (4).
8. The elevator brake shoe wear monitoring and grading pre-warning device according to claim 1 or 2, characterized in that the pre-buried wire is a brass pre-buried wire or a red copper pre-buried wire.
9. The elevator brake shoe wear monitoring and grading pre-warning device according to claim 1 or 2, characterized in that the cross-sectional shape of the pre-buried line is circular.
10. The device for monitoring and grading the wear of the brake shoes of the elevator as claimed in claim 1, wherein the wear signal processing module (4) is connected with the warning lamp (51), the monitoring center alarm (52) and the elevator controller (53) through the control cabinet (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153451.2U CN213231085U (en) | 2020-09-27 | 2020-09-27 | Elevator brake shoe wear monitoring and grading early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153451.2U CN213231085U (en) | 2020-09-27 | 2020-09-27 | Elevator brake shoe wear monitoring and grading early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213231085U true CN213231085U (en) | 2021-05-18 |
Family
ID=75878567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022153451.2U Active CN213231085U (en) | 2020-09-27 | 2020-09-27 | Elevator brake shoe wear monitoring and grading early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213231085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479737A (en) * | 2021-06-30 | 2021-10-08 | 美迪斯智能装备有限公司 | Safety tongs of high-speed elevator and fault monitoring system thereof |
| CN114483840A (en) * | 2022-02-18 | 2022-05-13 | 石家庄五龙制动器股份有限公司 | Pad wear grading alarm sensor and brake clearance adjusting method of brake |
-
2020
- 2020-09-27 CN CN202022153451.2U patent/CN213231085U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479737A (en) * | 2021-06-30 | 2021-10-08 | 美迪斯智能装备有限公司 | Safety tongs of high-speed elevator and fault monitoring system thereof |
| CN114483840A (en) * | 2022-02-18 | 2022-05-13 | 石家庄五龙制动器股份有限公司 | Pad wear grading alarm sensor and brake clearance adjusting method of brake |
| CN114483840B (en) * | 2022-02-18 | 2024-05-17 | 石家庄五龙制动器股份有限公司 | Pad wear grading alarm sensor and brake clearance adjustment method of brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213231085U (en) | Elevator brake shoe wear monitoring and grading early warning device | |
| US8166886B2 (en) | Wear monitoring system, cable operated transportation system and a method for monitoring wear-prone parts therein | |
| US4184145A (en) | Brake apparatus using light conductors to control remote wear indicators | |
| CN202282544U (en) | Carbon brush wear detection apparatus and carbon brush wear alarm system | |
| CN102501887A (en) | Non-contact dynamic detection device and detection method for tire tread defects | |
| CN102923544B (en) | Device and method for detecting broken strands of hoisting steel wire rope | |
| US20040206606A1 (en) | Device for sensing the wear state of wheels or rollers | |
| CN105035647A (en) | Scraper conveyer detecting device and method | |
| CN107399672A (en) | crane health monitoring system and method | |
| CN203359735U (en) | Anti-abrasion protecting device for elevator traction wheel and elevator rope | |
| US11926352B2 (en) | Apparatus and method for wear detection of railroad vehicle wheels | |
| CN106744161A (en) | A kind of method and system for monitoring the elevator traction medium life-span | |
| CN101109667B (en) | Roller brake testing dynamometer | |
| CN109941261B (en) | Vehicle brake pad wear monitoring and early warning system and vehicle applying same | |
| CN107522056A (en) | A kind of method and system for monitoring elevator device traction capacity | |
| CN110823606A (en) | Intelligent diagnosis system and method for brake pads of motor train unit | |
| CN105864326A (en) | Online detection device for caliper disc brake friction plate | |
| CN218290028U (en) | Elevator with intelligent early warning function | |
| CN110155869A (en) | A kind of escalator with unloading way rub detection function | |
| US10654496B2 (en) | Railway vehicle derailment detection method and device | |
| AU2022408193A1 (en) | Device for detecting idling time of brake shoe of monorail hoist and detection method thereof | |
| CN215797947U (en) | Electric hoist with safety monitoring device fixed at tail end of steel wire rope winding drum | |
| CN209583333U (en) | Elevator traction sheave deviates wear detector | |
| US3474542A (en) | Wheel gauge detector system | |
| CN205652149U (en) | Tire tread defect detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |