Monitoring device for high-speed brake of fan

Abstract

The utility model relates to the technical field of fan braking, in particular to a monitoring device for fan high-speed braking, which comprises a mounting frame and a fan shaft, a motor is fixedly connected in the mounting frame, a threaded shaft is fixedly connected at the tail end of a main shaft of the motor, and the other end of the threaded shaft is rotatably connected with the mounting frame. The outer side of the threaded shaft is spirally connected with a threaded sleeve, and the bottom of the threaded sleeve is fixedly connected with a monitoring assembly. The fan shaft is located below the monitoring assembly. When the fan shaft is monitored, the motor is started to drive the threaded shaft to rotate, the threaded shaft drives the threaded sleeve to rotate, the threaded sleeve drives the monitoring assembly to move, the moving frame at the bottom of the moving cylinder drives the universal ball to move, and once the friction portion of the fan shaft becomes thin due to friction, the sliding frame moves downwards, and the first contact plate is separated from the second contact plate; according to the fan shaft quality monitoring device, the quality of the fan shaft can be monitored, and normal operation of equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan brake technical field, concretely is a kind of monitoring device for fan high-speed brake. BACKGROUND

[0002] Fan when using, sometimes fan runs failure, at this moment, fan needs to stop rotating for maintenance, when the fan is stopped in prior art, brake pad is used to extrude the both sides of fan shaft, then used to limit fan, so that brake action is carried out, and the action of long-time brake can possibly wear fan shaft, so that fan shaft is gradually reduced, at this moment, the friction between fan shaft and brake pad will be greatly weakened, brake braking function is smaller and smaller, and the stability of fan shaft is also poor, there is the possibility of rupture, therefore, aiming at the above problems, a kind of monitoring device for fan high-speed brake is provided. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a kind of monitoring device for fan high-speed brake, to solve the problems presented in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] As an alternative of the monitoring device for fan high-speed brake, wherein: a kind of monitoring device for fan high-speed brake, including installation frame and fan shaft,

[0006] The inside of the installation frame is fixedly connected with motor, the main shaft end of the motor is fixedly connected with threaded shaft, the other end of the threaded shaft is rotatably connected with the installation frame, the outer side of the threaded shaft is spirally connected with threaded sleeve, the bottom of the threaded sleeve is fixedly connected with monitoring assembly, the outer side of the monitoring assembly is slidably connected with the installation frame;

[0007] The top of the installation frame is provided with alarm for early warning effect;

[0008] The fan shaft is located below the monitoring assembly, and the outer side of the fan shaft is provided with a friction part.

[0009] The monitoring assembly includes a moving cylinder, a first contact plate and a moving frame, the top of the moving cylinder is fixedly connected with the threaded sleeve, the outer side of the moving cylinder is slidably connected with the installation frame, the inside of the moving cylinder is provided with the first contact plate, the second contact plate is arranged below the first contact plate, the bottom of the second contact plate is fixedly connected with the moving frame, and the bottom of the moving frame is fixedly connected with the sliding frame.

[0010] When the fan is in use, sometimes the fan runs fail, at this time the fan needs to stop rotating for maintenance, the prior art stops the fan from moving by pressing the brake pad on both sides of the fan shaft, and then limiting the fan to brake, and the long-time braking action may cause the fan shaft to be worn, so that the fan shaft gradually becomes smaller, at this time the friction between the fan shaft and the brake pad will be greatly weakened, and the brake braking function becomes smaller and smaller, and the smaller fan shaft also causes poor stability and the possibility of rupture, and the device uses an external power supply, the device is provided with a mounting frame outside the fan shaft, when the fan shaft is monitored, the motor is started to drive the threaded shaft to rotate, the threaded shaft drives the threaded sleeve to rotate, and the threaded sleeve drives the monitoring assembly to move, at this time the moving cylinder bottom moves the moving frame and the universal ball, once the friction part of the fan shaft is rubbed and thinned, at this time the sliding frame moves down, at this time the first contact plate and the second contact plate are separated, at this time the external controller controls the alarm to start, which is used to remind, the device can monitor the quality of the fan shaft and ensure the normal operation of the equipment.

[0011] As an optional scheme of the fan high-speed brake monitoring device, the outer side of the moving frame is provided with uniformly distributed grooves, and the grooves are provided with moving blocks inside, the outer side of the moving block is fixedly connected with the moving cylinder, and the upper side of the moving block is fixedly connected with springs.

[0012] The moving blocks are arranged on the inner wall of the moving cylinder, which can ensure the stable up-down sliding of the moving frame, and the springs can ensure that the first contact plate and the second contact plate are stably separated when the sliding frame moves to the narrow part outside the friction part of the fan shaft, so that the fan shaft can be stably started.

[0013] As an optional scheme of the fan high-speed brake monitoring device, the lower side of the sliding frame is provided with an arc surface, and the bottom of the sliding frame is rotatably connected with uniformly distributed universal balls.

[0014] As an optional scheme of the fan high-speed brake monitoring device, the outer side of the moving frame is provided with a micro air pump.

[0015] As an optional scheme of the fan high-speed brake monitoring device, the micro air pump is provided in an inclined manner.

[0016] The universal ball can ensure stable left and right movement outside the fan shaft, and when the fan shaft rotates, the universal ball moves in the longitudinal direction with the sliding frame, so that the equipment can be normally used.

[0017] Compared with the prior art, the fan shaft quality monitoring device has the advantages that:

[0018] The fan shaft quality monitoring device can monitor the quality of the fan shaft and ensure normal operation of the equipment.

[0019] The moving block ensures stable up and down sliding of the moving frame, and the spring ensures stable separation of the first contact plate and the second contact plate when the moving frame moves to the narrow part of the fan shaft, so that the fan shaft can be stably started.

[0020] The universal ball can ensure stable left and right movement outside the fan shaft, and when the fan shaft rotates, the universal ball moves in the longitudinal direction with the sliding frame, so that the equipment can be normally used.

[0021] When the moving frame moves above the friction part, the micro air pump is started to clean the debris generated by friction on the surface of the friction part, so that the stable monitoring purpose of the monitoring assembly can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is a structure schematic view of the monitoring assembly of the utility model;

[0024] Figure 3 It is a structure schematic view of the utility model Figure 2 A place of the utility model.

[0025] In the figure: 1, mounting frame; 2, motor; 3, threaded shaft; 4, alarm; 5, threaded sleeve; 6, monitoring assembly; 601, moving cylinder; 602, first contact plate; 603, moving frame; 604, second contact plate; 605, sliding frame; 606, universal ball; 607, moving block; 608, spring; 7, micro air pump; 8, fan shaft; 9, friction part. DETAILED DESCRIPTION

[0026] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment 1

[0028] Please refer to Figure 1 and Figure 2 The present application provides a technical solution:

[0029] A monitoring device for high-speed brake of a fan, comprising a mounting frame 1 and a fan shaft 8,

[0030] The inside of the mounting frame 1 is fixedly connected with a motor 2, the distal end of the main shaft of the motor 2 is fixedly connected with a threaded shaft 3, the other end of the threaded shaft 3 is rotatably connected with the mounting frame 1, the outside of the threaded shaft 3 is spirally connected with a threaded sleeve 5, the bottom of the threaded sleeve 5 is fixedly connected with a monitoring assembly 6, and the outside of the monitoring assembly 6 is slidably connected with the mounting frame 1;

[0031] The top of the mounting frame 1 is provided with an alarm 4 for early warning;

[0032] The fan shaft 8 is located below the monitoring assembly 6, and the outside of the fan shaft 8 is provided with a friction part 9;

[0033] The monitoring assembly 6 comprises a moving cylinder 601, a first contact plate 602 and a moving frame 603, the top of the moving cylinder 601 is fixedly connected with the threaded sleeve 5, the outside of the moving cylinder 601 is slidably connected with the mounting frame 1, the inside of the moving cylinder 601 is provided with the first contact plate 602 on the top layer, the second contact plate 604 is arranged below the first contact plate 602, the bottom of the second contact plate 604 is fixedly connected with the moving frame 603, and the bottom of the moving frame 603 is fixedly connected with the sliding frame 605.

[0034] When the fan is in use, sometimes the fan runs fail, at this time the fan needs to stop rotating for maintenance, the prior art stops the fan from moving, the brake pad extrudes both sides of the fan shaft, and then limits the fan to brake, and the long-time braking action may wear the fan shaft, so that the fan shaft gradually becomes smaller, at this time the friction between the fan shaft and the brake pad will be greatly weakened, and the brake braking function becomes smaller and smaller, and the small fan shaft also leads to poor stability and the possibility of rupture, and the device uses an external power supply, the device is provided with a mounting frame 1 outside the fan shaft 8, when the fan shaft 8 is monitored, the motor 2 is started to drive the threaded shaft 3 to rotate, the threaded shaft 3 drives the threaded sleeve 5 to rotate, and the monitoring assembly 6 is moved, at this time the moving frame 603 at the bottom of the moving cylinder 601 drives the sliding frame 605 and the universal ball 606 to move, once the friction part 9 of the fan shaft 8 is rubbed and thinned, at this time the sliding frame 605 moves downward, at this time the first contact plate 602 is separated from the second contact plate 604, at this time the external controller controls the alarm 4 to start, which is used to remind the purpose, and the device can monitor the quality of the fan shaft 8 to ensure normal operation of the equipment.

[0035] Embodiment 2

[0036] This embodiment is an improvement on embodiment 1, please refer to Figure 3 , specifically, the outer side of the moving frame 603 is provided with uniformly distributed grooves, and the grooves are provided with moving blocks 607, the outer side of the moving block 607 is fixedly connected with the moving cylinder 601, the upper side of the moving block 607 is fixedly connected with springs 608, and the other end of the spring 608 is fixedly connected with the moving frame 603.

[0037] The inner wall of the moving cylinder 601 is provided with the moving block 607, at this time the moving block 607 is used to ensure that the moving frame 603 stably slides up and down, and the spring 608 arranged at the same time can ensure that when the sliding frame 605 moves to the narrow part outside the friction part 9 of the fan shaft 8, the first contact plate 602 and the second contact plate 604 are stably separated, and the fan shaft 8 is stably started.

[0038] Embodiment 3

[0039] This embodiment is an improvement on embodiment 2, please refer to Figure 2 , specifically, the lower side of the sliding frame 605 is provided in an arc shape, and the bottom of the sliding frame 605 is rotatably connected with uniformly distributed universal balls 606.

[0040] The outer side of the moving frame 603 is provided with a micro air pump 7.

[0041] The micro air pump 7 is provided in an inclined manner.

[0042] The universal ball 606 is arranged in the interior of the sliding frame 605, and can ensure stable movement left and right outside the fan shaft 8, and when the fan shaft 8 rotates, the universal ball 606 moves in the longitudinal direction with the sliding frame 605, thereby ensuring normal use of the device, and when the moving frame 603 moves above the friction part 9, the micro air pump 7 arranged thereon is started to clean the debris generated by friction on the surface of the friction part 9, thereby ensuring the stable monitoring purpose of the monitoring assembly 6.

[0043] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] 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, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A monitoring device for high-speed braking of a wind turbine, characterized in that: Includes mounting frame (1) and fan shaft (8), A motor (2) is fixedly connected inside the mounting frame (1). A threaded shaft (3) is fixedly connected to the end of the main shaft of the motor (2). The other end of the threaded shaft (3) is rotatably connected to the mounting frame (1). A threaded sleeve (5) is spirally connected to the outside of the threaded shaft (3). A monitoring component (6) is fixedly connected to the bottom of the threaded sleeve (5). The outside of the monitoring component (6) is slidably connected to the mounting frame (1). An alarm (4) for early warning is installed on the top of the mounting frame (1); The fan shaft (8) is located below the monitoring component (6), and a friction part (9) is provided on the outer side of the fan shaft (8); The monitoring component (6) includes a movable cylinder (601), a first contact plate (602), and a movable frame (603). The top of the movable cylinder (601) is fixedly connected to the threaded sleeve (5), and the outer side of the movable cylinder (601) is slidably connected to the mounting frame (1). The first contact plate (602) is installed on the top inner layer of the movable cylinder (601). A second contact plate (604) is provided below the first contact plate (602). The movable frame (603) is fixedly connected to the bottom of the second contact plate (604), and a sliding frame (605) is fixedly connected to the bottom of the movable frame (603).

2. The monitoring device for high-speed braking of a wind turbine according to claim 1, characterized in that: The movable frame (603) has evenly distributed grooves on its outer side, and a movable block (607) is provided inside the groove. The outer side of the movable block (607) is fixedly connected to the movable cylinder (601). A spring (608) is fixedly connected above each movable block (607), and the other end of the spring (608) is fixedly connected to the movable frame (603).

3. The monitoring device for high-speed braking of a wind turbine according to claim 1, characterized in that: The lower part of the sliding frame (605) is arranged in an arc shape, and the bottom of the sliding frame (605) is rotatably connected with evenly distributed universal balls (606).

4. The monitoring device for high-speed braking of a wind turbine according to claim 1, characterized in that: A miniature air pump (7) is installed on the outside of the mobile frame (603).

5. A monitoring device for high-speed braking of a wind turbine according to claim 4, characterized in that: The micro air pump (7) is set at an angle.

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