Coal belt deviation switch

Abstract

The application discloses a coal belt deviation switch, which comprises a shell, a rotating assembly is installed on the shell, an installation plate is fixedly installed on the top of the rotating assembly, a deviation switch body is installed on the top of the installation plate, a driving assembly is installed on the shell and is connected with the rotating assembly, a pulling assembly is installed in the driving assembly, and a limiting assembly is jointly installed between the driving assembly and the shell. In the application, the shell can convert the detected signal into an electric signal through a signal converter, so that the motor can be automatically driven to operate. The driving assembly, the rotating assembly and the installation plate are arranged, so that the blocking rod does not need to be disassembled after the belt conveyor stops, and the blocking rod does not need to be installed after the belt conveyor is used again, the adjustment efficiency of the equipment is improved, and the equipment is prevented from being started and stopped repeatedly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of deviation switch, in particular to a new coal belt deviation switch. BACKGROUND

[0002] In the power industry, especially in coal-fired power plants, coal conveying system widely uses belt drive to convey coal. In order to prevent the belt of the belt conveyor from deviating, deviation switches are arranged on both sides of the belt;

[0003] When the conveying belt deviates seriously, the deviation switch sends a signal, and the belt conveyor is stopped through the control circuit. Then the stopper is removed or the deviation switch signal is forced to be disconnected. After adjusting the belt, the deviation switch signal is reset, and then the belt conveyor is restarted. Currently, the stopper often cannot be restored in time. If it needs to be restored again, the belt conveyor needs to be stopped for processing. Multiple start-stop of the equipment will affect the production efficiency. If it is not restored, the belt of the belt conveyor will be in a state of invalid deviation switch, i.e. no monitoring, which will form a hidden danger of the equipment. SUMMARY

[0004] The purpose of the present application is to solve the problems existing in the prior art, and to provide a coal belt deviation switch, which improves the equipment adjustment efficiency and avoids multiple start-stop of the equipment.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: a coal belt deviation switch, comprising a shell, the shell is provided with a rotating assembly, the top of the rotating assembly is fixedly provided with a mounting plate, the top of the mounting plate is provided with a deviation switch body, the shell is provided with a driving assembly, and the driving assembly is connected with the rotating assembly, the inside of the driving assembly is provided with a pulling assembly, the driving assembly and the shell are jointly provided with a limiting assembly, and the limiting assembly is connected with the pulling assembly.

[0006] Further, the rotating assembly comprises a gear, the outer surface of the gear is fixedly connected with a rotating shaft on one side, and the rotating shaft extends through the inside of the shell to the outer surface and is rotatably connected therewith, the side away from the gear of the rotating shaft is fixedly connected with a fixed rod, and the fixed rod is fixedly connected with the mounting plate, so that the position of the deviation switch body can be adjusted.

[0007] Further, the driving assembly comprises a sliding rod, and the sliding rod is slidably connected with the shell, the bottom of the sliding rod is fixedly connected with a rack, and the rack is meshingly connected with the gear, one end of the sliding rod is symmetrically fixedly connected with two pull rods, and the ends away from the sliding rod of the two pull rods are jointly fixedly connected with a pull plate, so that the sliding rod can drive the rack to move, thereby driving the gear to rotate.

[0008] Furthermore, the pulling component includes a pull rope, which is movably installed inside the slide bar. One end of the pull rope is fixedly connected to a movable plate to facilitate the movement of the limiting plate.

[0009] Furthermore, both sides of the outer surface of the movable plate have sliding grooves, and the movable plate is slidably connected to the sliding grooves. The sliding grooves are opened on the inner end face of the pull rod, which has a limiting effect on the movable plate and facilitates the movement of the movable plate.

[0010] Furthermore, the limiting component includes two limiting grooves and a mounting groove. The two limiting grooves are symmetrically opened on the inner surface of the housing, and the mounting groove is opened on the outer surface of the slide rod. A spring is fixedly connected inside the mounting groove. One end of the spring is fixedly connected to a limiting plate, and the limiting plate is fixedly connected to the pull rope. A limiting block is fixedly connected to the side of the limiting plate away from the spring, and the limiting block corresponds to the limiting groove. This can limit the slide rod and prevent it from moving when not in use.

[0011] Furthermore, a base is fixedly connected to the bottom of the deviation switch body, and the base and the mounting plate are connected by bolts, which facilitates the installation and disassembly of the deviation switch.

[0012] The beneficial effects of this invention are:

[0013] 1. When in use, the new type of coal conveyor belt misalignment switch, through the set drive component, rotating component and mounting plate, does not require the removal of the stop bar after the belt conveyor is stopped. At the same time, when the belt conveyor is restarted, if the stop bar is not restored, there is no need to stop the machine to install the stop bar, thereby improving the equipment adjustment efficiency and avoiding multiple start-ups and shutdowns of the equipment.

[0014] 2. When in use, the novel coal conveyor belt misalignment switch of the present invention, through the setting of the limiting component and the pulling component, facilitates the limiting of the drive component and avoids the rotation component from moving after it is fixed in a fixed position. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the overall structure of the present invention;

[0016] Fig. 2 This is a cross-sectional view of the housing of the present invention;

[0017] Fig. 3 This is a schematic diagram of the limiting component structure of the present invention.

[0018] Explanation of icon numbers:

[0019] 1. Housing; 2. Pull assembly; 21. Movable plate; 22. Pull rope; 23. Slide groove; 3. Drive assembly; 31. Pull plate; 32. Slide rod; 33. Pull rod; 34. Rack; 4. Misalignment switch body; 41. Base; 5. Mounting plate; 61. Fixing rod; 62. Rotating shaft; 63. Gear; 71. Limit block; 72. Limiting plate; 73. Mounting groove; 74. Limiting groove; 75. Spring. Detailed Implementation

[0020] Figs. 1 to 3 As shown, a belt misalignment switch for a coal conveyor includes a housing 1, a rotating assembly mounted on the housing 1, an mounting plate 5 fixedly mounted on the top of the rotating assembly, a misalignment switch body 4 mounted on the top of the mounting plate 5, a drive assembly 3 mounted on the housing 1, and the drive assembly 3 is connected to the rotating assembly. A pulling assembly 2 is mounted inside the drive assembly 3, and a limit assembly is mounted between the drive assembly 3 and the housing 1, and the limit assembly is connected to the pulling assembly 2.

[0021] The rotating assembly includes a gear 63, a rotating shaft 62 is fixedly connected to one side of the outer surface of the gear 63, and the rotating shaft 62 extends vertically through the interior of the housing 1 to the outer surface and is rotatably connected thereto. A fixing rod 61 is fixedly connected to the side of the rotating shaft 62 away from the gear 63, and the fixing rod 61 is fixedly connected to the mounting plate 5.

[0022] The bottom of the misalignment switch body 4 is fixedly connected to a base 41, and the base 41 and the mounting plate 5 are connected together by bolts.

[0023] Fig. 2 As shown, the drive assembly 3 includes a slide rod 32, which is slidably connected to the housing 1. A rack 34 is fixedly connected to the bottom of the slide rod 32, and the rack 34 is meshed with a gear 63. Two pull rods 33 are symmetrically fixedly connected to one end of the slide rod 32, and a pull plate 31 is fixedly connected to the end of the two pull rods 33 away from the slide rod 32.

[0024] The pulling assembly 2 includes a pull rope 22, which is movably installed inside the slide bar 32, and one end of the pull rope 22 is fixedly connected to a movable plate 21.

[0025] Both sides of the outer surface of the movable plate 21 have grooves 23, and the movable plate 21 is slidably connected to the grooves 23, and the grooves 23 are opened on the inner end face of the pull rod 33.

[0026] Fig. 3As shown, the limiting component includes two limiting grooves 74 and a mounting groove 73. The two limiting grooves 74 are symmetrically opened on the inner surface of the housing 1, and the mounting groove 73 is opened on the outer surface of the slide rod 32. A spring 75 is fixedly connected inside the mounting groove 73. One end of the spring 75 is fixedly connected to a limiting plate 72, and the limiting plate 72 is fixedly connected to the pull rope 22. A limiting block 71 is fixedly connected to the side of the limiting plate 72 away from the spring 75, and the limiting block 71 corresponds to the limiting groove 74.

[0027] When using the belt misalignment switch, after the belt conveyor stops, the pull rope 22 is pulled by the movable plate 21, which in turn drives the limit block 71 to disengage from the limit groove 74 via the limit plate 72. Then, the slide rod 32 is moved by the pull plate 31 and the pull rod 33, which in turn drives the gear 63 to rotate via the rack 34. This, in turn, drives the fixed rod 61 to rotate via the rotating shaft 62, which in turn drives the misalignment switch body 4 to rotate via the mounting plate 5. This causes the stop rod to disengage from the belt, and at the same time, the movable plate 21 is released. The limit block 71 enters the limit groove 74 near the pull plate 31 under the action of the spring 75. After the belt is adjusted, the limit component is released by the pull assembly 2. Then, the slide rod 32 is pushed by the pull plate 31 and the pull rod 33, which drives the gear 63 to rotate via the rack 34. This, in turn, drives the misalignment switch body 4 to reset via the rotating shaft 62, the fixed rod 61, and the mounting plate 5. Finally, the slide rod 32 is limited by the limit component.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A belt misalignment switch for coal conveyors, comprising a housing (1), characterized in that: The housing (1) is equipped with a rotating assembly, and a mounting plate (5) is fixedly installed on the top of the rotating assembly. A deviation switch body (4) is installed on the top of the mounting plate (5). The housing (1) is equipped with a driving assembly (3), and the driving assembly (3) is connected to the rotating assembly. A pulling assembly (2) is installed inside the driving assembly (3). A limit assembly is installed between the driving assembly (3) and the housing (1), and the limit assembly is connected to the pulling assembly (2). The rotating assembly includes a gear (63), a rotating shaft (62) is fixedly connected to one side of the outer surface of the gear (63), and the rotating shaft (62) extends vertically through the interior of the housing (1) to the outer surface and is rotatably connected thereto. A fixing rod (61) is fixedly connected to the side of the rotating shaft (62) away from the gear (63), and the fixing rod (61) is fixedly connected to the mounting plate (5). The drive assembly (3) includes a slide rod (32), which is slidably connected to the housing (1). A rack (34) is fixedly connected to the bottom of the slide rod (32), and the rack (34) is meshed with a gear (63). Two pull rods (33) are symmetrically fixedly connected to one end of the slide rod (32), and a pull plate (31) is fixedly connected to the end of the two pull rods (33) away from the slide rod (32). The pulling assembly (2) includes a pull rope (22), and the pull rope (22) is movably installed inside the slide bar (32). One end of the pull rope (22) is fixedly connected to a movable plate (21). The limiting component includes two limiting grooves (74) and a mounting groove (73). The two limiting grooves (74) are symmetrically opened on the inner surface of the housing (1). The mounting groove (73) is opened on the outer surface of the slide rod (32). A spring (75) is fixedly connected inside the mounting groove (73). One end of the spring (75) is fixedly connected to a limiting plate (72). The limiting plate (72) is fixedly connected to the pull rope (22). A limiting block (71) is fixedly connected to the side of the limiting plate (72) away from the spring (75). The limiting block (71) corresponds to the limiting groove (74).

2. The conveyor belt misalignment switch according to claim 1, characterized in that: Both sides of the outer surface of the movable plate (21) have grooves (23), and the movable plate (21) and the grooves (23) are slidably connected, and the grooves (23) are opened on the inner end face of the pull rod (33).

3. The conveyor belt misalignment switch according to claim 1, characterized in that: The bottom of the deviation switch body (4) is fixedly connected to a base (41), and the base (41) and the mounting plate (5) are connected together by bolts.

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