CN215556061U

CN215556061U - Opening and closing device for grain outlet of granary

Info

Publication number: CN215556061U
Application number: CN202121310057.3U
Authority: CN
Inventors: 张德君; 李少伟; 林金火; 林国明
Original assignee: Central Grain Reserve Putian Warehouse Co ltd
Current assignee: Central Grain Reserve Putian Warehouse Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to an opening and closing device for a grain outlet of a granary, which comprises an opening and closing device main body, wherein the opening and closing device main body comprises an opening and closing device shell, a baffle and a screw rod, and the opening and closing device shell is used for being fixed with the grain outlet of the granary; the screw rod is hinged with the baffle and is attached to the inside of the opening and closing device shell, the baffle is attached to the upper edge of the main body and is closely attached to the grain outlet of the granary to block grains, and the rotation of the screw rod can drive the baffle to move; the device also comprises a motor and a speed reducer; the speed reducer is used for connecting the motor and the screw rod, and the motor is used as a power source for driving the screw rod to rotate forwards and reversely. Under the normal condition, the grain outlet has a certain height from the ground, and the opening and closing device main body for manually opening/closing the grain outlet has great potential safety hazard. And control headstock gear main part through motor and control box, need not the staff and get into long and narrow fortune grain passageway, greatly reduced the potential safety hazard.

Description

Opening and closing device for grain outlet of granary

Technical Field

The utility model relates to a container specially suitable for storage, in particular to an opening and closing device for a grain outlet of a granary.

Background

China is a big agricultural country, grain storage is extremely important, modern granary buildings pay attention to moisture resistance and insect prevention, a granary body is usually erected at a position away from the ground by a supporting building, and a grain outlet is arranged at the bottom of the granary.

For example, the utility model discloses a chinese utility model with patent number 201921488309.4 discloses a structure of opening and close that is used for granary grain outlet, its lower extreme gate passes through drive screw and driving hand wheel, drives drive screw through manpower rotatory driving hand wheel and opens \ closed corresponding gate. Because the passageway of the grain storage mouth of installation of large-scale granary bottom is comparatively narrow usually, and goes out the grain mouth and have certain height, consequently the manpower drive opens \ the mode of closed gate not convenient and have the potential safety hazard, consequently needs a long-range electronic technique of opening the gate.

Disclosure of Invention

The utility model provides an opening and closing device for a grain outlet of a granary, which is used for solving the problem that the grain outlet stored in the granary needs a technology for remotely and electrically opening a gate.

The utility model adopts the following technical scheme:

an opening and closing device for a grain outlet of a granary comprises an opening and closing device main body, wherein the opening and closing device main body comprises an opening and closing device shell, a baffle and a screw rod, and the opening and closing device shell is used for being fixed with the grain outlet of the granary; the screw rod is hinged with the baffle and is attached to the inside of the opening and closing device shell, the baffle is attached to the upper edge of the main body and is closely attached to the grain outlet of the granary to block grains, and the rotation of the screw rod can drive the baffle to move; the device also comprises a motor and a speed reducer; the speed reducer is used for connecting the motor and the screw rod, and the motor is used as a power source for driving the screw rod to rotate forwards and reversely.

Further, including motor controller and control box, this motor controller is used for controlling the forward \ reverse rotation and the on-off state of motor, and the control box is used for this motor controller of remote control.

Furthermore, the limiting device main body comprises a limiting controller which is arranged at the lower edge of the opening and closing device shell, and the lower part of the baffle is provided with a stop block which is blocked by the limiting controller; the limit controller is provided with an electric connection wire which is used for being electrically connected with the motor controller, and the stop block generates an electric signal to control the motor controller to be powered off when the stop block contacts and blocks the phase control.

Further, the limit controller is a microswitch.

Further, the motor and the opening and closing device body are arranged on the same horizontal plane side by side.

Furthermore, a plurality of fixing holes are formed in the top surface of the opening and closing device shell, and the fixing holes are used for fixing the opening and closing device shell and the grain outlet.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. generally, a granary is erected at a certain height from the ground through other buildings, a channel is additionally arranged at the bottom of the granary, and a grain outlet of the granary is arranged in the channel. Under the general condition, the channel is narrow, the grain outlet is at a certain height from the ground, and the opening and closing device body for manually opening/closing the grain outlet has great potential safety hazard. Usually, a plurality of grain outlets are arranged at the bottom of the granary, and in order to take care of the condition of each grain outlet so as to open/close the corresponding grain outlet at any time, the opening/closing device main body of each grain outlet needs to be taken care of by a worker, thereby generating great waste on manpower resources. The opening and closing device main body is controlled through the motor and the control box, so that the opening and closing of the grain outlets can be completed in real time only by one person, meanwhile, workers do not need to enter a long and narrow grain conveying channel, and potential safety hazards are greatly reduced.

2. The motor and the starting device are arranged on the same horizontal plane side by side, so that the space of the passageway can be saved, and the passage and the technical operation of workers are facilitated when the starting device is replaced or maintained.

3. When the motor controls the baffle to move to achieve the purpose of opening/closing, the motor needs to be stopped in time, and the limit controller is arranged to achieve the purpose and prevent the motor from continuing to rotate after the baffle is blocked to cause damage.

4. The top surface of the opening and closing device main body is provided with a fixing hole for mechanical fixation with a grain outlet of the granary, thereby being beneficial to the stable combination of the opening and closing device main body and the grain outlet.

Drawings

Fig. 1 is a schematic structural view of an opening and closing device body of the present invention.

Fig. 2 is a structural block diagram of the main body of the electric control opening and closing device for the grain outlet of the granary.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1, the opening and closing device for the grain outlet of the granary comprises an opening and closing device body 1, a motor 2, a speed reducer 3, a motor controller 4 and a control box. The speed reducer 3 is used for connecting the motor 2 and the opening and closing device main body 1, so that the opening and closing of the opening and closing device main body 1 can be controlled by forward/reverse rotation of the motor 2. The motor controller 4 is used for controlling the running state of the motor 2, the control box is used for remotely controlling the motor controller 4, the motor controller and the control box are electrically connected through an electric wire, and the electric control method of the control box on the motor controller 4 is common technology in the field.

Referring to fig. 1, the opening and closing device body 1 includes an opening and closing device housing 11, a screw 12, a baffle 13, and a limit controller 14, and the screw 12, the baffle 13, and the limit controller 14 are all installed in the opening and closing device housing 11. The opening and closing device shell 11 is provided with an upper opening and a lower opening, and the periphery of the upper opening is provided with a plurality of fixing holes 15 for fixing the opening and closing device shell 11 below a grain outlet of a granary with a downward opening, so that the opening surface of the grain outlet is attached to the upper opening surface of the opening and closing device shell 11.

Referring to fig. 1, a groove 111 for guiding the shutter 13 is additionally provided in the opening/closing device housing 11, a stopper 131 and a nut 132 are additionally provided to the shutter 13, the shutter 13 is attached to the upper opening of the opening/closing device body 1, and the nut 132 is welded to the lower surface of the shutter 13 for screwing with the screw 12. The opening and closing device body 1 is a structure that a common screw 12 drives a baffle 13 to open and close a grain outlet. When the screw 12 rotates forward/backward under the cooperation of the motor 2 and the speed reducer 3, the nut 132 will generate axial displacement on the screw 12 under the action of rotation blocking, so that the baffle 13 is guided by the groove 111 to open/close the grain outlet.

Referring to fig. 1, a nut 132 is attached to the lower surface of the baffle 13 for triggering the position limiting controller 14, two position limiting controllers 14 are attached to the opening and closing device housing 11, the position limiting controller 14 is triggered when the opening and closing device body 1 is in a fully opened or fully closed state, and the position limiting controller 14 transmits triggering information to the motor controller 4 through an electric connection line, so that the motor 2 stops operating. The limit controller 14 is a microswitch, and the stop 131 triggers the microswitch connection circuit to control the motor controller 4 to stop the motor 2.

Referring to fig. 2, a passage 5 for taking out grains is formed at the lower end of a large-sized granary erected on a foundation building, and a plurality of grain outlets 6 are formed at the top of the passage 5 and communicated with the interior of the granary. The opening and closing device main body 1 is correspondingly arranged at the lower part of the grain outlet 6, and the motor 2, the speed reducer 3 and the motor controller 4 are attached to one side of the opening and closing device main body 1 as shown in figure 2, so that the connection and arrangement of electric wires are facilitated.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. An opening and closing device for a grain outlet of a granary comprises an opening and closing device main body, wherein the opening and closing device main body comprises an opening and closing device shell, a baffle and a screw rod, and the opening and closing device shell is used for being fixed with the grain outlet of the granary; the screw rod is hinged with the baffle and is attached to the inside of the opening and closing device shell, the baffle is attached to the upper edge of the main body and is closely attached to the grain outlet of the granary to block grains, and the rotation of the screw rod can drive the baffle to move; the method is characterized in that: the device also comprises a motor and a speed reducer; the speed reducer is used for connecting the motor and the screw rod, and the motor is used as a power source for driving the screw rod to rotate forwards/reversely.

2. The opening and closing device for the grain outlet of the granary according to claim 1, wherein: the motor controller is used for controlling the forward/reverse rotation and opening/closing state of the motor, and the control box is used for remotely controlling the motor controller.

3. The opening and closing device for the grain outlet of the granary according to claim 2, wherein: the device comprises a limit controller, wherein the limit controller is attached to the lower edge of a shell of the opening and closing device, and a stop block which is mutually blocked by the limit controller is attached to the lower part of a baffle; the limit controller is additionally provided with an electric connecting wire which is used for being electrically connected with the motor controller, and the stop block generates an electric signal to control the motor controller to be powered off when the stop block contacts and blocks the phase control.

4. The opening and closing device for the grain outlet of the granary according to claim 3, wherein: the limit controller is a microswitch.

5. The opening and closing device for the grain outlet of the granary according to claim 1, wherein: the motor and the opening and closing device main body are arranged on the same horizontal plane side by side.

6. The opening and closing device for the grain outlet of the granary according to claim 1, wherein: the top surface of the opening and closing device shell is provided with a plurality of fixing holes, and the fixing holes are used for fixing the opening and closing device shell and the grain outlet.