CN-224229142-U - Dynamic measuring device for abrasion loss of brake shoe

Abstract

The utility model relates to a dynamic measuring device for the abrasion loss of a brake shoe, which comprises a brake shoe assembly, a detecting device, a bolt, a protective cover, a positioning assembly and a positioning assembly, wherein the detecting device is used for measuring the thickness of the brake shoe during braking, the detecting end of the detecting device is arranged in a mounting hole of the bolt, the bolt is used for fixing the brake shoe assembly and the detecting device is arranged on the brake shoe assembly, the protective cover is arranged on the bolt, the detecting device is accommodated in the protective cover, and the positioning assembly is arranged on the detecting device and the bolt and is used for fixing the position of the detecting device on the bolt. The detection device is arranged on the bolt, the bolt can be used for installing the brake shoe assembly and the matched detection device, so that the detection device is convenient to rapidly install and detach between the brake shoe assemblies, and the detection device is directly arranged on the brake shoe assembly, so that real-time detection can be realized, the accuracy of detecting the abrasion amount of the brake shoe is improved, and the workload of manual overhaul is reduced.

Inventors

• FENG LELE
• DONG DONG
• JIANG XIAOLEI
• DONG JUNLIANG
• Xu Zha
• SHI HONGYUAN
• ZHAO JIAMIN

Assignees

• 国能铁路装备有限责任公司
• 国能智慧(北京)轨道交通科技有限责任公司

Dates

Publication Date

20260512

Application Date

20250611

Claims (10)

1. 1. A dynamic measurement device for brake shoe wear, comprising: a brake shoe assembly; a detection device for measuring the thickness of the brake shoe at the time of braking; The detection end of the detection device is arranged in the installation hole of the bolt, and the bolt is used for fixing the brake shoe assembly and installing the detection device on the brake shoe assembly; The protective cover is mounted on the plug pin, and the detection device is accommodated in the protective cover; The positioning component is arranged on the detection device and the bolt and used for fixing the position of the detection device on the bolt.
2. 2. The dynamic measuring device for the wear of the brake shoe according to claim 1, wherein the positioning assembly comprises a nut and a gasket, the nut and the gasket are sleeved on the detecting device, the internal thread of the nut is matched with the external thread of the detecting device, and the gasket is arranged between the nut and the bolt.
3. 3. The dynamic measuring device for the wear amount of the brake shoe according to claim 2, wherein a plurality of fixing pieces are circumferentially arranged on the gasket, and the fixing pieces can be bent to clamp the nut and/or the side wall of the bolt.
4. 4. The dynamic brake shoe wear measuring device according to claim 3, wherein a plurality of fixing holes are formed in the plug pin, and the fixing holes are used for installing fasteners to install the protective cover.
5. 5. The dynamic measuring device for the wear of the brake shoe according to claim 1 or 4, wherein a boss is arranged in the middle of the bolt, the head of the bolt is bent, and the protective cover is arranged between the boss and the head of the bolt.
6. 6. The brake shoe wear dynamic measurement device of claim 1, wherein the brake shoe assembly includes a brake shoe and a brake head, the brake shoe having a lug in the middle thereof, the lug being mounted in a groove in the brake head.
7. 7. The dynamic brake shoe wear measuring device according to claim 6, wherein the plug is inserted into the through hole of the boss and the through hole of the brake head to mount the brake shoe to the brake head.
8. 8. The dynamic brake shoe wear measurement device of claim 7, wherein the protective cover is provided on a side of the plug adjacent the brake head.
9. 9. The dynamic brake shoe wear measurement device of claim 7, wherein the detection device further comprises an electrical cable that passes through the protective cover to be electrically connected to the signal processing unit.
10. 10. The dynamic brake shoe wear measuring device according to claim 1, wherein the detecting device is a laser ranging sensor, an ultrasonic ranging sensor, an infrared ranging sensor or a microwave ranging sensor.

Description

Dynamic measuring device for abrasion loss of brake shoe Technical Field The utility model relates to the technical field of brake shoes, in particular to a dynamic measuring device for the abrasion loss of a brake shoe. Background At present, most railway trucks adopt a tread braking mode, namely a tread braking mode that a brake shoe is pressed on a wheel tread to generate friction force opposite to the rotation direction of the wheel to prevent the wheel from rotating. The friction between the brake shoe and the wheel causes wear and tear to be consumed on both the brake shoe and the wheel, and the wear speed is higher for the brake shoe. Therefore, the brake shoe also serves as a brake consumable, and when the brake shoe wears to a limit, the brake shoe needs to be replaced. The locomotive on the railway uses the maintenance regulation requirement, and the brake shoe needs to be replaced when the brake shoe is found to be worn out in the process of train inspection and repair. At present, the overhauling of the brake shoe is mainly carried out by manual visual inspection, the stamina and the efficiency of personnel are limited, 100% comprehensive overhauling is difficult to realize, temporary selective examination easily causes potential safety hazards, the dependency on skill experience, personnel fatigue state and the like in a qualitative eye observation mode is heavy, and objective and quantitative accurate measurement is difficult to realize. Therefore, a dynamic measuring device for the abrasion loss of the brake shoe is provided. Disclosure of utility model The utility model provides a dynamic measuring device for the abrasion loss of a brake shoe, which is used for solving at least one technical problem. The utility model provides a dynamic measuring device for the abrasion loss of a brake shoe, which comprises: a brake shoe assembly; a detection device for measuring the thickness of the brake shoe at the time of braking; The detection end of the detection device is arranged in the installation hole of the bolt, and the bolt is used for fixing the brake shoe assembly and installing the detection device on the brake shoe assembly; The protective cover is mounted on the plug pin, and the detection device is accommodated in the protective cover; The positioning component is arranged on the detection device and the bolt and used for fixing the position of the detection device on the bolt. In one embodiment, the positioning assembly comprises a nut and a gasket, the nut and the gasket are sleeved on the detection device, the internal thread of the nut is matched with the external thread of the detection device, and the gasket is arranged between the nut and the bolt. In one embodiment, the gasket is provided with a plurality of fixing pieces in the circumferential direction, and the fixing pieces can be bent to clamp the side wall of the bolt and/or the nut. In one embodiment, the latch is provided with a plurality of fixing holes, and the fixing holes are used for installing fasteners to install the protective cover. In one embodiment, a boss is arranged in the middle of the bolt, the head of the bolt is bent, and the protective cover is arranged between the boss and the head of the bolt. In one embodiment, the brake shoe assembly includes a brake shoe and a brake head, the brake shoe being provided with a lug in the middle thereof, the lug being mounted in a groove of the brake head. In one embodiment, the bolt is inserted into the raised through hole and the through hole of the brake head to mount the brake shoe to the brake head. In one embodiment, the protective cover is provided on a side of the bolt adjacent the brake head. In one embodiment, the detection device further comprises a cable wire, which passes through the protective cover to be electrically connected with the signal processing unit. In one embodiment, the detection device employs a laser ranging sensor, an ultrasonic ranging sensor, an infrared ranging sensor, or a microwave ranging sensor. Compared with the prior art, the brake shoe assembly detection device has the advantages that the detection device is arranged on the bolt, the bolt can be used for installing the brake shoe assembly and the matched detection device, so that the detection device can be conveniently and rapidly arranged and detached between the brake shoe assemblies, the detection device is directly arranged on the brake shoe assembly, real-time detection can be realized, the accuracy of detecting the abrasion loss of the brake shoe is improved, and the workload of manual overhaul is reduced. Drawings The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. FIG. 1 is a schematic view of the measuring device and brake shoe assembly of the present utility model; FIG. 2 is a schematic diagram of the structure of the measuring device of the present utility model; FIG. 3 is an explode