Abrasion monitoring device for yaw brake pad

Abstract

The utility model relates to the technical field of yaw brake pads, and discloses a yaw brake pad abrasion monitoring device which comprises a brake clamp and further comprises a sensing assembly arranged in a protective outer cover and used for monitoring the abrasion degree of a yaw brake pad in real time. And the quick assembly is arranged on the outer side of the protective outer cover and is used for increasing the disassembly and assembly speed of the sensing assembly. The protective outer cover and the sensing assembly inside the protective outer cover can be quickly disassembled and assembled through the quick assembly and the adjusting assembly, meanwhile, fragments, dust and other impurities of the brake pad can be prevented from making direct contact with the sensing assembly, and effective protection on the sensing assembly is achieved; the abrasion degree of the yaw brake pad can be obtained through the sensing assembly according to the distance between the laser distance measuring sensor and the brake abrasion indicating rod, the abrasion degree of the yaw brake pad is monitored in real time through a machine instead of manual work, and the monitoring efficiency and the monitoring effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to yaw brake pad technical field, concretely is a yaw brake pad wear monitoring device. BACKGROUND

[0002] Yaw brake pad is the important part in the yaw system of wind turbine generator unit, usually is composed of multiple fiber materials, including steel back, friction block etc., its function is to adjust the direction of wind turbine hub to ensure that the hub can be aligned to the most favorable wind direction, and the thickness of yaw brake pad will inevitably gradually thin after long-term work because of wear, therefore needs to find potential problems in time through the regular inspection of staff, to avoid wind turbine generator unit failure downtime, reduce the availability of wind turbine, produce greater maintenance cost and more dangerous situation.

[0003] The existing yaw brake pad wear monitoring device mainly detects the wear thickness of friction plate through the artificial boarding inspection mode when using, but this method has problems such as many units, manual inspection labor intensity, long time interval, the monitoring efficiency and monitoring effect are low, which has certain influence on the stable operation of wind turbine generator unit. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a yaw brake pad wear monitoring device to solve the problems in the above background.

[0005] In order to realize the above object, the utility model provides the following technical scheme: a yaw brake pad wear monitoring device, including brake clamp, one side top of brake clamp is fixedly connected with support, one side of support is fixedly connected with support plate, one side of support plate is fixedly installed with integrated mainboard, one side of support inner wall is equipped with boss, the bottom surface of support is equipped with base, the outer side of base is equipped with protective outer cover, and it further includes:

[0006] Sensor assembly for real-time monitoring yaw brake pad wear degree is arranged in the protective outer cover, one side bottom of brake clamp is equipped with brake wear indicating rod, the outer side of integrated mainboard is equipped with installation shell, and sensor assembly is connected with integrated mainboard wiring terminal through data line;

[0007] Quick mounting assembly for improving the dismounting speed of sensor assembly is arranged on the outer side of protective outer cover, two containing cavities are symmetrically arranged in the boss, the containing cavity is equipped with clamping block, and the outer side of boss is equipped with adjusting assembly, which can drive clamping block to reciprocate in the containing cavity.

[0008] Preferably, the sensing assembly comprises a laser ranging sensor arranged inside the protective cover, one side of the protective cover is provided with a through hole corresponding to a lens of the laser ranging sensor, the through hole is in the same plane as an axis of the brake wear indicator rod, and the laser ranging sensor is connected to the wiring terminal of the integrated mainboard through a data line.

[0009] Preferably, one side of the mounting shell is connected to the supporting plate through a bolt, and an audible and visual alarm is fixedly arranged on the other side of the mounting shell, and the audible and visual alarm is connected to the wiring terminal of the integrated mainboard through a data line.

[0010] Preferably, one side of the protective cover is provided with a threading hole, and protective soft pads are fixedly connected to inner walls of the threading hole, inner walls of the protective cover and the bottom of the base, and the protective soft pads are made of rubber or silicone.

[0011] Preferably, the quick-mounting assembly comprises butt blocks fixed to the top of both ends of the protective cover, the boss is internally provided with a butt groove corresponding to the butt blocks, the butt blocks are located inside the butt grooves, and the side, where the two butt blocks are close to each other, is provided with a clamping groove, and the clamping block penetrates into the clamping groove at one end.

[0012] Preferably, the adjusting assembly comprises a spring arranged outside the clamping block, the accommodating cavity is provided with a retreat groove at one side, the spring is provided with a second limiting ring at one end, the inner wall of the second limiting ring is in sliding connection with the clamping block, the spring is provided with a first limiting ring at the other end, the inner wall of the first limiting ring is connected with the clamping block, the outer side of the accommodating cavity is provided with an adjusting groove, the adjusting groove is internally provided with a connecting block, one end of the connecting block is connected with the first limiting ring, and the other end of the connecting block is fixedly connected with a push-pull plate.

[0013] Preferably, the integrated mainboard is fixedly provided with a wireless signal transceiver at one side, and the wireless signal transceiver is connected to the wiring terminal of the integrated mainboard through a data line.

[0014] Compared with the prior art, the brake wear monitoring device has the following beneficial effects:

[0015] The quick-mounting assembly and the adjusting assembly can realize quick disassembly and assembly of the protective cover and the sensing assembly inside the protective cover, and can avoid that brake pad fragments, dust and other impurities directly contact the sensing assembly, so that effective protection of the sensing assembly is realized; the sensing assembly can obtain the wear degree of the yaw brake pad according to the distance between the laser ranging sensor and the brake wear indicator rod, and the wear degree of the yaw brake pad is monitored in real time by using a machine instead of manual operation, so that the monitoring efficiency and monitoring effect are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the yaw brake pad wear monitoring device is shown in the drawings.

[0017] Figure 2 For Figure 1 Enlarged structure schematic view at A in the middle;

[0018] Figure 3 Rear view structure schematic view provided by the utility model;

[0019] Figure 4 Integrated mainboard specific structure schematic view provided by the utility model;

[0020] Figure 5 Adjusting assembly structure schematic view provided by the utility model.

[0021] In the figure: 1, brake clamp; 2, brake wear indicating rod; 3, support; 4, protective cover; 5, sensing assembly; 51, laser ranging sensor; 52, through opening; 6, base; 7, protective cushion; 8, containing cavity; 9, clamping block; 10, audible and visual alarm; 11, quick-mounting assembly; 111, butt joint groove; 112, butt joint block; 113, clamping groove; 12, wireless signal transceiver; 13, adjusting assembly; 131, first limiting ring; 132, second limiting ring; 133, spring; 134, retreat groove; 135, adjusting groove; 136, connecting block; 137, push-pull plate; 14, boss; 15, threading opening; 16, mounting shell; 17, support plate; 18, integrated mainboard. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5As shown, a yaw brake pad wear monitoring device, including brake clamp 1, one side of brake clamp 1 top fixedly connected with support 3, one side of support 3 fixedly connected with support plate 17, one side of support plate 17 fixedly installed with integrated mainboard 18, by setting integrated mainboard 18, can be convenient for other electronic devices to centralized management and control, convenient for the work of each electronic device to coordinate, improve the intelligent and automation degree; One side of the inner wall of support 3 is provided with a boss 14, the bottom surface of support 3 is provided with a base 6, the outer side of base 6 is provided with a protective cover 4, further comprising: a sensor assembly 5 arranged inside the protective cover 4 for real-time monitoring of the wear degree of yaw brake pad, by setting sensor assembly 5, the wear degree of yaw brake pad can be monitored in real time by machine instead of manual, reduce the labor load of staff, improve the monitoring efficiency and monitoring effect; Brake wear indicating rod 2 is arranged at the bottom of one side of brake clamp 1, it should be noted that brake wear indicating rod 2 is an important detection component inside brake clamp 1, which can be shortened into brake clamp 1 according to the wear degree of yaw brake pad, so as to cooperate with sensor assembly 5 to realize the monitoring of the wear degree of yaw brake pad; Integrated mainboard 18 is provided with a mounting shell 16, sensor assembly 5 is connected with integrated mainboard 18 through data line; Quick mounting assembly 11 is arranged on the outer side of protective cover 4 for improving the dismounting speed of sensor assembly 5, by setting quick mounting assembly 11, the quick dismounting of protective cover 4 and its internal sensor assembly 5 can be realized, and the brake pad fragments, dust and other impurities can be avoided from directly contacting sensor assembly 5; Two accommodating cavities 8 are symmetrically arranged in the boss 14, the accommodating cavities 8 are provided with clamping blocks 9, and the outer side of the boss 14 is provided with an adjusting assembly 13 for driving the clamping blocks 9 to reciprocally slide in the accommodating cavities 8, by setting the adjusting assembly 13, and cooperating with the quick mounting assembly 11, the assembly or disassembly between the protective cover 4 and the support 3 can be realized.

[0024] Sensor assembly 5 includes a laser ranging sensor 51 arranged inside the protective cover 4, and a through opening 52 corresponding to the lens of the laser ranging sensor 51 is formed in one side of the protective cover 4, the through opening 52 and the axis of the brake wear indicating rod 2 are in the same plane, and the laser ranging sensor 51 is connected with the wiring terminal of the integrated mainboard 18 through a data line, as shown in Figure 3 、 Figure 5 As shown, the laser ranging sensor 51 is installed on the brake clamp 1 through the support 3 and keeps horizontal with the brake wear indicating rod 2, which can emit laser and receive laser signal reflected from the target object, calculate the target distance according to the propagation time or phase change of light, when the yaw brake pad wears, the brake wear indicating rod 2 will be shortened into the brake clamp 1 accordingly, so that the wear degree of yaw brake pad is obtained according to the distance between the laser ranging sensor 51 and the brake wear indicating rod 2, the wear degree of yaw brake pad is monitored in real time by machine instead of manual, which is conducive to improving the monitoring efficiency and monitoring effect.

[0025] One side of the installation shell 16 is connected with the support plate 17 through bolts, and the other side of the installation shell 16 is fixedly provided with the sound and light alarm 10, which is connected with the wiring end of the integrated mainboard 18 through a data line, as shown in Figure 3 、 Figure 4 By setting the sound and light alarm 10, the worker can be guided to quickly find the yaw brake pad to be repaired and replaced among the many brake clamps after reaching the inside of the wind turbine cabin, thereby assisting the repair and replacement of the yaw brake pad and improving the practicability.

[0026] A threading opening 15 is formed in one side of the protective cover 4, and a protective soft pad 7 is fixedly connected to the inner wall of the threading opening 15, the inner wall of the protective cover 4, and the bottom of the base 6, as shown in Figure 5 By setting the protective soft pad 7, the laser ranging sensor 51 can be surrounded and protected from the outside, further improving the protection performance.

[0027] The quick mounting assembly 11 includes butt blocks 112 fixed to the top of both ends of the protective cover 4, and the boss 14 is internally provided with a butt groove 111 corresponding to the butt block 112, and the butt block 112 is located inside the butt groove 111, and the side of the two butt blocks 112 close to each other is provided with a clamping groove 113, and one end of the clamping block 9 penetrates into the clamping groove 113, as shown in Figure 3 、 Figure 4 and Figure 5 When the protective cover 4 and the internal sensor assembly 5 need to be installed, the butt block 112 at the top of the protective cover 4 is inserted into the corresponding butt groove 111, and then the clamping block 9 enters the clamping groove 113, at this time the protective cover 4 is limited and cannot be separated from the bracket 3 as a whole, so that the protective cover 4 and the internal sensor assembly 5 are quickly disassembled.

[0028] The adjusting assembly 13 includes a spring 133 arranged outside the clamping block 9, a retreat groove 134 is formed in one side of the containing cavity 8, a second limiting ring 132 is arranged at one end of the spring 133, the inner wall of the second limiting ring 132 is in sliding connection with the clamping block 9, a first limiting ring 131 is arranged at the other end of the spring 133, the inner wall of the first limiting ring 131 is connected with the clamping block 9, an adjusting groove 135 is formed outside the containing cavity 8, a connecting block 136 is arranged inside the adjusting groove 135, one end of the connecting block 136 is connected with the first limiting ring 131, and the other end of the connecting block 136 is fixedly connected with a push-pull plate 137, as shown in Figure 2 、 Figure 3 and Figure 5As shown, when the protective cover 4 and the internal sensor assembly 5 need to be disassembled, the push-pull plate 137, the connecting block 136 and the first limiting ring 131 drive the clamping block 9 away from the clamping groove 113, at this time the spring 133 is compressed, the protective cover 4 loses the limit and can be freely taken off from the support 3, so as to realize the assembly or disassembly between the protective cover 4 and the support 3.

[0029] The wireless signal transceiver 12 is fixedly installed on one side of the integrated mainboard 18 and is connected with the wiring end of the integrated mainboard 18 through a data line, as shown in Figure 4 As shown, when the distance between the laser ranging sensor 51 and the brake wear indicating rod 2 exceeds the preset threshold of the laser ranging sensor 51, it will send a signal to the integrated mainboard 18, and then the integrated mainboard 18 controls the wireless signal transceiver 12 to transmit the yaw brake pad wear data to the host computer, so that the staff can arrive at the scene to carry out the yaw brake pad repair and replacement work when they remotely know that the yaw brake pad needs to be replaced.

[0030] Working principle: first, the staff can realize the quick disassembly of the protective cover 4 and the internal sensor assembly 5 through the quick mounting assembly 11 and the adjusting assembly 13, and at the same time, the brake pad fragments, dust and other impurities can be prevented from directly contacting the sensor assembly 5, so as to realize the effective protection of the sensor assembly 5, then the wear degree of the yaw brake pad can be obtained through the sensor assembly 5 according to the distance between the laser ranging sensor 51 and the brake wear indicating rod 2, and the wear degree of the yaw brake pad is monitored in real time by using machines instead of manual work, which is beneficial to improve the monitoring efficiency and monitoring effect, and the yaw brake pad wear data is transmitted to the host computer through the wireless signal transceiver 12, so that the staff can arrive at the scene to carry out the yaw brake pad repair and replacement work when they remotely know that the yaw brake pad needs to be replaced.

[0031] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A yaw brake pad wear monitoring device comprising a brake caliper (1), characterised in that, The brake clamp (1) one side top fixedly connected with support (3), support (3) one side fixedly connected with support plate (17), support plate (17) one side fixedly installed with integrated mainboard (18), support (3) inner wall one side is equipped with boss (14), support (3) bottom is equipped with base (6), base (6) outside is equipped with protective cover (4), still includes: The sensor assembly (5) is arranged inside the protective cover (4) for monitoring the wear degree of the yaw brake pad in real time, the brake wear indicating rod (2) is arranged at the bottom of the brake clamp (1), the mounting shell (16) is arranged outside the integrated mainboard (18), and the sensor assembly (5) is connected with the wiring end of the integrated mainboard (18) through a data line; The quick mounting assembly (11) is arranged outside the protective cover (4) for improving the dismounting speed of the sensor assembly (5), two accommodating cavities (8) are symmetrically formed in the boss (14), the clamping block (9) is arranged in the accommodating cavity (8), and the adjusting assembly (13) is arranged outside the boss (14) and can drive the clamping block (9) to reciprocatingly slide in the accommodating cavity (8).

2. A yaw brake pad wear monitoring device according to claim 1, characterised in that: The sensor assembly (5) includes a laser ranging sensor (51) arranged inside the protective cover (4), a through hole (52) corresponding to the lens of the laser ranging sensor (51) is formed in one side of the protective cover (4), the through hole (52) and the brake wear indicating rod (2) are arranged in the same plane, and the laser ranging sensor (51) is connected with the wiring end of the integrated mainboard (18) through a data line.

3. A yaw brake pad wear monitoring device according to claim 1, characterised in that: One side of the mounting shell (16) is connected with the support plate (17) through bolts, and the other side of the mounting shell (16) is fixedly installed with a sound light alarm (10), and the sound light alarm (10) is connected with the wiring end of the integrated mainboard (18) through a data line.

4. A yaw brake pad wear monitoring device according to claim 1, characterised in that: A threading hole (15) is formed in one side of the protective cover (4), and a protective soft pad (7) is fixedly connected to the inner wall of the threading hole (15), the inner wall of the protective cover (4) and the bottom of the base (6), wherein the protective soft pad (7) is made of rubber or silicone.

5. A yaw brake pad wear monitoring device according to claim 1, characterised in that: The quick mounting assembly (11) includes a butt joint block (112) fixed to the top of the protective cover (4), a butt joint groove (111) corresponding to the butt joint block (112) is formed in the boss (14), the butt joint block (112) is located in the butt joint groove (111), and a clamping groove (113) is formed in one side of the two butt joint blocks (112) close to each other, and one end of the clamping block (9) penetrates into the clamping groove (113).

6. A yaw brake pad wear monitoring device according to claim 1, characterised in that: The adjusting assembly (13) includes a spring (133) arranged outside the clamping block (9), one side of the accommodating cavity (8) is provided with a retreat groove (134), one end of the spring (133) is provided with a second limiting ring (132), the inner wall of the second limiting ring (132) is in sliding connection with the clamping block (9), the other end of the spring (133) is provided with a first limiting ring (131), the inner wall of the first limiting ring (131) is connected with the clamping block (9), the outer side of the accommodating cavity (8) is provided with an adjusting groove (135), the adjusting groove (135) is internally provided with a connecting block (136), one end of the connecting block (136) is connected with the first limiting ring (131), and the other end of the connecting block (136) is fixedly connected with a push-pull plate (137).

7. A yaw brake pad wear monitoring device as claimed in claim 1, wherein: One side of the integrated mainboard (18) is fixedly installed with a wireless signal transceiver (12), and the wireless signal transceiver (12) is connected with the wiring end of the integrated mainboard (18) through a data line.

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