Rotation stall detection device for roller screen

Abstract

The utility model relates to the technical field of roller screen detection, and particularly discloses a roller screen rotation stall detection device which comprises a servo motor, one side wall of the servo motor is rotationally connected with a rotating rod, the outer wall of the rotating rod is rotationally connected with a first connecting gear, one side of the servo motor is provided with a brake assembly, and the brake assembly comprises a groove; the position of the groove is formed in the brake assembly, one side wall of the brake assembly is fixedly connected with a speed detector, the interior of the brake assembly is rotationally connected with a second connecting gear, and one side wall of the second connecting gear is rotationally connected with a rotating shaft; the outer wall of the first connecting gear is rotationally connected with a first chain. By means of a limiting mechanism composed of a telescopic rod, a first connecting ring, a fixing plate, a second connecting ring, a rotating plate, a friction rod and a cavity, during use, the telescopic rod drives the rotating plate and the friction rod to extrude a first chain, so that the first chain and the rotating rod are limited, and the stall phenomenon of the device is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller screen detection technical field, concretely is a kind of roller screen rotation stall detection device. BACKGROUND

[0002] The screen surface of roller screen is composed of many parallelly arranged roller shafts, which are staggered with screen discs. The roller shafts rotate through chain wheel or gear transmission, and the rotating direction is the same as the material flow direction. In order to loosen the material layer on the screen for facilitating screening, the screen disc is eccentric or shaped. A safety device is provided to prevent the material from being stuck in the screen shaft. The roller screen is all seat type, which is divided into left transmission and right transmission, and further divided into with wheel and without wheel, and the roller screen with wheel can move on the rail.

[0003] However, the roller screen shaft is composed of roller shafts, which rotate in cooperation with chain wheel or gear transmission. This can cause the roller screen shaft to stall, resulting in collision of the chain wheel or gear, thereby causing the part to break. The broken part can fly out, thereby causing the worker to be injured. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a roller screen rotation stall detection device, which solves the problem of the roller screen shaft stalling, resulting in collision of the chain wheel or gear, thereby causing the part to break.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a roller screen rotation stall detection device, comprising a servo motor, one side wall of the servo motor is rotatably connected with a rotating rod, the outer wall of the rotating rod is rotatably connected with a first connecting gear, one side of the servo motor is provided with a brake assembly, the brake assembly comprises a groove;

[0006] The position of the groove is arranged in the inside of the brake assembly, one side wall of the brake assembly is fixedly connected with a speed detector, the inside of the brake assembly is rotatably connected with a second connecting gear, one side wall of the second connecting gear is rotatably connected with a rotating shaft;

[0007] The outer wall of the first connecting gear is rotatably connected with a first chain, one side of the rotating rod is provided with a driving assembly.

[0008] Preferably, the driving assembly comprises a first meshing gear, the position of the first meshing gear is arranged in the inside of the driving assembly, and the first meshing gear is connected with the rotating rod, the inside of the driving assembly is rotatably connected with a second meshing gear, the outer wall of the first meshing gear and the second meshing gear is rotatably connected with a third chain.

[0009] Preferably, the inner wall of the driving assembly is provided with a through hole, a first connecting shaft is rotatably connected inside the through hole, and the first connecting shaft is connected with the second meshing gear, the outer wall of the first connecting shaft is rotatably connected with a rotating gear, and the outer wall of the rotating gear is rotatably connected with a second chain.

[0010] Preferably, the inner wall of the driving assembly is provided with a through hole, a first connecting shaft is rotatably connected inside the through hole, and the first connecting shaft is connected with the second meshing gear, the outer wall of the first connecting shaft is rotatably connected with a rotating gear, and the outer wall of the rotating gear is rotatably connected with a second chain.

[0011] Preferably, the inner wall of the driving assembly is provided with a through hole, a first connecting shaft is rotatably connected inside the through hole, and the first connecting shaft is connected with the second meshing gear, the outer wall of the first connecting shaft is rotatably connected with a rotating gear, and the outer wall of the rotating gear is rotatably connected with a second chain.

[0012] Beneficial effects

[0013] The utility model provides a kind of roller screen rotation stall detection device.Compared with prior art, it has the following beneficial effects:

[0014] (1) by the setting of first connecting gear, second connecting gear, shaft and speed detector, the speed of rotating rod can be tested, so as to avoid the speed of rotating rod being too fast, which causes the damage of parts.

[0015] (2) by the setting of first connecting ring, fixed plate, second connecting ring, rotating plate, friction rod and cavity, the first chain is extruded by rotating plate and friction rod driven by telescopic rod when using, so as to limit the first chain and rotating rod, thereby avoiding the stall phenomenon of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of roller screen rotation stall detection device structure's schematic view of the embodiment of the utility model;

[0017] Figure 2 It is the schematic view of the internal structure of the driving assembly of the embodiment of the utility model;

[0018] Figure 3 It is the schematic view of the internal structure of the braking assembly of the embodiment of the utility model;

[0019] Figure 4 It is the schematic view of the restriction assembly structure of the embodiment of the utility model.

[0020] In the figure: 1, servo motor; 2, rotating rod; 3, first connecting gear; 4, brake assembly; 5, groove; 6, speed detector; 7, first chain; 8, driving assembly; 9, through hole; 10, first connecting shaft; 11, rotating gear; 12, second chain; 13, first meshing gear; 14, second meshing gear; 15, third chain; 16, second connecting gear; 17, rotating shaft; 18, telescopic rod; 19, first connecting ring; 20, fixed plate; 21, second connecting ring; 22, rotating plate; 23, friction rod; 24, cavity. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] Please refer to Figures 1-4 As shown in the figure, the embodiment proposes a roller screen rotating stall detection device, including servo motor 1, one side wall of servo motor 1 is rotatably connected with rotating rod 2, the outer wall of rotating rod 2 is rotatably connected with first connecting gear 3, one side of servo motor 1 is provided with brake assembly 4, brake assembly 4 includes groove 5;

[0024] The position of groove 5 is arranged in the inside of brake assembly 4, one side wall of brake assembly 4 is fixedly connected with speed detector 6, the inside of brake assembly 4 is rotatably connected with second connecting gear 16, one side wall of second connecting gear 16 is rotatably connected with rotating shaft 17;

[0025] The outer wall of first connecting gear 3 is rotatably connected with first chain 7, one side of rotating rod 2 is provided with driving assembly 8, by the arrangement of first connecting gear 3, first chain 7 and second connecting gear 16, driving assembly 8 can be operated, and speed detector 6 can also be used to detect speed.

[0026] Driving assembly 8 includes first meshing gear 13, the position of first meshing gear 13 is arranged in the inside of driving assembly 8, and is connected with rotating rod 2, the inside of driving assembly 8 is rotatably connected with second meshing gear 14, the outer wall of first meshing gear 13 and second meshing gear 14 is rotatably connected with third chain 15, by the arrangement of driving assembly 8, a plurality of roller screens can be driven to rotate.

[0027] The inner wall of the driving assembly 8 is provided with a through hole 9, a first connecting shaft 10 is rotatably connected in the through hole 9, and the first connecting shaft 10 is connected with the second meshing gear 14; the outer wall of the first connecting shaft 10 is rotatably connected with a rotating gear 11, and the outer wall of the rotating gear 11 is rotatably connected with a second chain 12; due to the arrangement of the driving assembly 8, the rotating gear 11, the second chain 12, the first meshing gear 13, the second meshing gear 14 and the third chain 15 can be driven to rotate, so that the roller screen rotates.

[0028] The brake assembly 4 is internally fixed with a telescopic rod 18, the output end of the upper surface of the telescopic rod 18 is fixedly connected with a first connecting ring 19, and the brake assembly 4 is internally fixed with a fixed plate 20; due to the arrangement of the telescopic rod 18, the first connecting ring 19 can be driven to move, and the fixed plate 20 can enable the second connecting ring 21 to be installed.

[0029] The fixed plate 20 is fixedly connected with a second connecting ring 21 on one side wall, and the first connecting ring 19 and the second connecting ring 21 are fixedly connected with a rotating plate 22 on one side wall, the rotating plate 22 is fixedly connected with a friction rod 23 on one side wall, and the friction rod 23 is internally provided with a cavity 24; due to the use of the telescopic rod 18 to drive the first connecting ring 19, the rotating plate 22 and the friction rod 23 to extrude the first chain 7, the first chain 7 and the rotating rod 2 are braked, so that the device avoids the phenomenon of stalling.

[0030] In use, the device is driven by the servo motor 1 to rotate the rotating rod 2, which drives the first connecting gear 3 and the first chain 7 to rotate, and the rotating rod 2 also drives the first meshing gear 13, the second meshing gear 14 and the third chain 15 to rotate, and the second meshing gear 14 drives the first connecting shaft 10 to rotate, and the rotating gears 11 on the outer walls of the plurality of first connecting shafts 10 rotate to drive the second chain 12 to rotate, thereby driving the roller screen to rotate, and the first chain 7 drives the second connecting gear 16 and the rotating shaft 17 to rotate, so that the speed detector 6 rotates the rotating rod 2, and the telescopic rod 18 in the brake assembly 4 drives the first connecting ring 19 to work, and the first connecting ring 19 drives the rotating plate 22 and the friction rod 23 to extrude the first chain 7, so that the first chain 7 is bent, thereby limiting the phenomenon of stalling.

[0031] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A device for detecting stall of a roller screen, characterized in that: The invention comprises a servo motor (1), a side wall of the servo motor (1) being rotatably connected to a rotating rod (2), an outer wall of the rotating rod (2) being rotatably connected to a first connecting gear (3), a brake assembly (4) being provided on one side of the servo motor (1), and the brake assembly (4) comprising a groove (5); The groove (5) is arranged inside the brake assembly (4); a speed detector (6) is fixedly connected to a side wall of the brake assembly (4); a second connecting gear (16) is rotatably connected to the inside of the brake assembly (4); and a side wall of the second connecting gear (16) is rotatably connected to a rotating shaft (17); The outer wall of the first connecting gear (3) is rotatably connected to a first chain (7), and a driving assembly (8) is provided on one side of the rotating rod (2).

2. The device for detecting stall of a roller screen according to claim 1, characterized in that: The driving assembly (8) includes a first meshing gear (13), which is arranged inside the driving assembly (8) and is connected to the rotating rod (2). The interior of the driving assembly (8) is rotatably connected to a second meshing gear (14), and the outer walls of the first meshing gear (13) and the second meshing gear (14) are rotatably connected to a third chain (15).

3. The device for detecting stall of a roller screen according to claim 1, characterized in that: The inner wall of the driving assembly (8) is provided with a through hole (9), the interior of the through hole (9) is rotatably connected to a first connecting shaft (10), and the first connecting shaft (10) and the second meshing gear (14) are connected to each other, the outer wall of the first connecting shaft (10) is rotatably connected to a rotating gear (11), and the outer wall of the rotating gear (11) is rotatably connected to a second chain (12).

4. The device for detecting stall of a roller screen according to claim 1, characterized in that: A telescopic rod (18) is fixedly connected inside the brake assembly (4), a first connecting ring (19) is fixedly connected to the output end of the upper surface of the telescopic rod (18), and a fixing plate (20) is fixedly connected inside the brake assembly (4).

5. The device for detecting stall of a roller screen according to claim 4, characterized in that: A second connecting ring (21) is fixedly connected to one side wall of the fixed plate (20), a rotating plate (22) is fixedly connected to one side wall of each of the first connecting ring (19) and the second connecting ring (21), a friction rod (23) is fixedly connected to one side wall of the rotating plate (22), and a cavity (24) is provided inside the friction rod (23).

Images