CN209909179U

CN209909179U - Valve plate resetting device of double-layer ash discharge valve

Info

Publication number: CN209909179U
Application number: CN201920740581.0U
Authority: CN
Inventors: 朱海峰
Original assignee: Yancheng Treasure Metallurgical Equipment Co Ltd
Current assignee: Yancheng Treasure Metallurgical Equipment Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-07
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a valve plate resetting device of a double-layer unloading valve, which comprises a counterweight rod and a pawl pin shaft, wherein a counterweight is fixedly arranged at the front end of the counterweight rod, a valve plate is connected below the balance weight, a reducer output shaft is arranged above the valve plate, a swing arm is fixed on the side surface of the reducer output shaft, a rocker is arranged above the swing arm, a speed reducer bracket is arranged below the output shaft of the speed reducer, a roller is arranged at the front end of the swing arm, a pawl is arranged on the inner side of the pawl pin shaft, and the inner side of the pawl is provided with a head gear fixed with a pawl pin shaft, the lower left of the output shaft of the speed reducer is provided with the pawl, and the upper left side of the output shaft of the speed reducer is provided with a shaft clamp spring, a bearing is installed above the shaft clamp spring, a bearing cover is connected above the bearing, and a base plate is fixed on the right side of the bearing cover. This double-deck unloading valve plate resetting means has increased pawl and head gear mechanism, can be convenient for control speed reducer stop work.

Description

Valve plate resetting device of double-layer ash discharge valve

Technical Field

The utility model relates to the technical field of valving specifically is a double-deck unloading valve plate resetting means.

Background

Double-deck unloading valve belongs to one kind of metallurgical valve, plays the ash discharge effect in the dust remover pipeline, simultaneously because generally be the negative pressure in the dust remover box, so must rely on two valve plates of double-deck unloading valve to move in turn, guarantees the interior pressure stability of dust remover box when arranging the ash, and concrete implementation is: an output shaft of the speed reducer rotates clockwise to drive a swing arm, a roller is arranged on the swing arm, the roller touches a rocker of the lower valve body when moving to a certain angle, the rocker drives a valve plate of the lower valve body to open clockwise, the roller is separated from the rocker of the lower valve body after rotating for a certain angle, and at the moment, a counter weight of the lower valve body drives the valve plate of the lower valve body to rotate anticlockwise to close the lower valve body through a counter weight rod; the output shaft of the speed reducer continues to clockwise touch a rocker of the upper valve body, the upper valve body valve plate is driven to open the valve in the same way, the upper valve body valve plate returns to the original position after a certain angle, the two valve plates are both closed, and the action of one circle is completed. The double-layer dust discharging valve has high requirements on the positions of an upper valve plate and a lower valve plate when the double-layer dust discharging valve stops operating, the stop positions cannot be positioned because the speed reducer is a multi-turn motor, and sometimes the double-layer dust discharging valve is very inconvenient to inching through video or remote control of an interphone on a personnel site in order to ensure that the two valve plates are completely stopped at the closed positions.

In view of the above-mentioned drawbacks of the prior art, there is a need for further improvement to make it more practical to meet the actual use situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck unloading valve plate resetting means to it is very high to the position requirement of upper and lower valve plate when stopping the function to propose double-deck unloading valve in solving above-mentioned background art, because the speed reducer is many gyration motors, unable location stop position, in order to guarantee that two valve plates are all stopped at the off-position, sometimes through video or personnel on-the-spot intercom remote control inching, extremely inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a valve plate resetting device of a double-layer cindervalve comprises a counterweight rod and a pawl pin shaft, wherein a counterweight is fixedly arranged at the front end of the counterweight rod, a valve plate is connected below the balance weight, a reducer output shaft is arranged above the valve plate, a swing arm is fixed on the side surface of the reducer output shaft, a rocker is arranged above the swing arm, a speed reducer bracket is arranged below the output shaft of the speed reducer, the front end of the swing arm is provided with a roller, a roller shaft is arranged in the roller, a pawl is arranged on the inner side of the pawl pin shaft, a head gear is arranged on the inner side of the pawl and fixed with the pawl pin shaft, a pawl is arranged on the lower left side of the output shaft of the speed reducer, and the upper left side of the output shaft of the speed reducer is provided with a shaft clamp spring, a bearing is installed above the shaft clamp spring, a bearing cover is connected above the bearing, and a base plate is fixed on the right side of the bearing cover.

Preferably, a rotating structure is formed between the swing arm and the output shaft of the speed reducer, and the rotating range of the rotating structure is 0-360 degrees.

Preferably, the pawl has a U-shaped internal structure, and the inside of the pawl is matched with the pawl pin shaft.

Compared with the prior art, the beneficial effects of the utility model are that: according to the double-layer unloading valve plate resetting device, the pawl and the head gear mechanism are added on the basis of the original structure, and when the output shaft of the speed reducer rotates clockwise, the ratchet mechanism acts to drive the swing arm to complete work; when the valve needs to be closed, the output shaft of the speed reducer stops rotating forwards only by pressing a stop button, the output shaft of the speed reducer immediately rotates backwards through an electric appliance loop, the reversing time is about seconds, the time relay is used for controlling, when the speed reducer rotates backwards, the ratchet mechanism does not work, the swing arm is in an idle running state, the two valve plates recover to a natural state under the action of the counterweight, the two valve plates are closed, the speed reducer stops after seconds, and the valve closing is completed completely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of an output shaft of the speed reducer of the present invention;

fig. 3 is a schematic view of the head gear structure of the present invention.

In the figure: 1. the device comprises a balance weight rod, 2, a balance weight, 3, a valve plate, 4, a speed reducer output shaft, 5, a swing arm, 6, a rocker, 7, a speed reducer support, 8, a roller, 9, a roller shaft, 10, a pawl pin shaft, 11, a head gear, 12, a pawl, 13, a shaft clamp spring, 14, a bearing, 15, a bearing cover, 16 and a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a double-layer unloading valve plate resetting device comprises a balance weight rod 1, a balance weight 2, a valve plate 3, a speed reducer output shaft 4, a swing arm 5, a rocker 6, a speed reducer support 7, a roller 8, a roller shaft 9, a pawl pin shaft 10, a head gear 11, a pawl 12, a shaft clamp spring 13, a bearing 14, a bearing cover 15 and a backing plate 16, wherein the balance weight 2 is fixedly installed at the front end of the balance weight rod 1, the valve plate 3 is connected below the balance weight 2, the speed reducer output shaft 4 is installed above the valve plate 3, the swing arm 5 is fixed on the side surface of the speed reducer output shaft 4, the rocker 6 is installed above the swing arm 5, a rotating structure is formed between the swing arm 5 and the speed reducer output shaft 4, the rotating range of the rotating structure is 0-360 degrees, the speed reducer support 7 is placed below the speed reducer output shaft 4, the roller 8 is arranged at the front end of the swing arm 5, the inner side of the pawl 12 is provided with a head gear 11 fixed with a pawl pin shaft 10, the lower left side of the reducer output shaft 4 is provided with the pawl 12, the upper left side of the reducer output shaft 4 is provided with a shaft clamp spring 13, the pawl 12 is U-shaped in internal structure and is matched with the pawl pin shaft 10, a bearing 14 is arranged above the shaft clamp spring 13, a bearing cover 15 is connected above the bearing 14, and a backing plate 16 is fixed on the right side of the bearing cover 15.

The working principle is as follows: when the double-layer unloading valve plate resetting device is used, firstly, when the output shaft 4 of the speed reducer rotates clockwise, the ratchet mechanism acts to drive the swing arm 5 to complete work; when the valve needs to be closed, the speed reducer output shaft 4 stops rotating forwards only by pressing a stop button, the speed reducer output shaft 4 immediately rotates backwards through an electric appliance loop, the reversing time is about 20 seconds, the time relay is used for controlling, when the speed reducer rotates backwards, the ratchet mechanism does not work, the swing arm 5 is in an idle running state, under the action of the balance weight, the two valve plates recover to a natural state, the two valve plates are closed, the speed reducer stops after 20 seconds, and the valve closing is completed completely, so that the whole working process of the device is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a double-deck unloading valve plate resetting means, includes counter weight pole (1) and pawl round pin axle (10), its characterized in that: the balance weight type speed reducer is characterized in that a balance weight (2) is fixedly mounted at the front end of the balance weight rod (1), a valve plate (3) is connected below the balance weight (2), a speed reducer output shaft (4) is mounted above the valve plate (3), a swing arm (5) is fixed on the side face of the speed reducer output shaft (4), a rocker (6) is mounted above the swing arm (5), a speed reducer support (7) is placed below the speed reducer output shaft (4), a roller (8) is arranged at the front end of the swing arm (5), a roller shaft (9) is arranged in the roller (8), a pawl (12) is mounted on the inner side of a pawl pin shaft (10), a head gear (11) is arranged on the inner side of the pawl (12) and fixed with the pawl pin shaft (10), the pawl (12) is mounted on the lower left side of the speed reducer output shaft (4), and a shaft clamp spring (13, bearing (14) are installed to the top of jump ring (13) for the axle, and the top of bearing (14) is connected with bearing cap (15), the right side of bearing cap (15) is fixed with backing plate (16).

2. The double-layer unloading valve plate resetting device of claim 1, wherein: a rotating structure is formed between the swing arm (5) and the output shaft (4) of the speed reducer, and the rotating range of the rotating structure is 0-360 degrees.

3. The double-layer unloading valve plate resetting device of claim 1, wherein: the pawl (12) is U-shaped in internal structure, and the inside of the pawl is matched with the pawl pin shaft (10).