CN211801060U - Dry powder extinguishing agent grinding device - Google Patents

Abstract

The utility model discloses a dry powder fire extinguishing agent grinding device, which comprises a casing, an electric motor is arranged on the inner wall of the top end of the casing, an output shaft of the electric motor is arranged with a gear column, and the outer part of the output shaft of the electric motor is sleeved with a first a bevel gear, a support rod is provided on one inner wall of the housing, a bearing is provided on the other end of the support rod, the gear column is located inside the bearing, and the other side of the bearing is provided with a connecting rod, and The other end of the connecting rod is sleeved with a second bevel gear, the top end of the other side of the second bevel gear is provided with a fixed rod, the outside of the fixed rod is sleeved with a first movable rod, and the bottom end of the first movable rod is provided with a rotating block . Compared with the existing device, the utility model can achieve the effect of rotating and vertically moving the grinding block by driving a motor, that is, the fire extinguishing agent is fully ground, and the production cost is also saved, and at the same time, the fire extinguishing process is extinguished during the grinding process. The agent will not be spilled into the air, avoiding the impact of dust on the operator.

Description

A dry powder fire extinguishing agent grinding device

technical field

The utility model relates to the technical field of shearing devices, in particular to a dry powder fire extinguishing agent grinding device.

Background technique

Fire extinguishers are widely used in fire fighting. One of the types of fire extinguishers is called dry powder fire extinguishers. It uses carbon dioxide or nitrogen to spray fire extinguishing agents to put out fires. Dry powder fire extinguishing agents are mixed with fire extinguishing base materials, lubricants and moisture-proof agents. Fine particles made by co-grinding, and most of the equipment used for grinding fire extinguishing agents are complex and bulky, and require a lot of power to drive. Although fire extinguishers need to be continuously manufactured, they also need to properly save energy and reduce emissions. Save existing resources to achieve the purpose of production, and at the same time, the amount of fire extinguishing agent in the air needs to be controlled during grinding. On the one hand, it can reduce the waste of fire extinguishing agent, and it can also avoid the dust on the operator's body when grinding the fire extinguishing agent. Therefore, we propose a dry powder fire extinguishing agent grinding device.

Utility model content

The purpose of the utility model is to solve the shortcomings of the existing technology that the fire extinguishing agent grinding device has a complex structure, needs to think about a lot of electricity and controls the dust to enter the air and has defects, and proposes a dry powder fire extinguishing agent grinding device.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A dry powder fire extinguishing agent grinding device, comprising a casing, an electric motor is arranged on the top inner wall of the casing, a gear column is arranged on an output shaft of the electric motor, and a first bevel gear is sleeved on the outside of the output shaft of the electric motor, so the The inner wall of one side of the housing is provided with a support rod, the other end of the support rod is provided with a bearing, the gear column is located on the inner side of the bearing, the other side of the bearing is provided with a connecting rod, and the other end of the connecting rod is provided A second bevel gear is sleeved, a fixed rod is set at the top end of the other side of the second bevel gear, a first movable rod is sleeved outside the fixed rod, and the bottom end of the first movable rod is equipped with a rotating rod. The bottom end of the rotating block is provided with a second movable rod, the outside of the second movable rod is sleeved with a gear, the gear is meshed with the gear column, and the bottom end of the second movable rod is provided with a grinding block The inner cavity of the casing is provided with a partition plate, the plate body of the partition plate is provided with a circular through hole, and the partition plate is provided with a grinding chamber at the bottom end of the circular through hole.

Preferably, the grinding bin is located directly below the grinding block, and a feeding port is provided on one side of the grinding bin and one side of the housing, and a feeding pipe is provided between the two feeding ports.

Preferably, the inner cavity of the grinding chamber has the same size and shape as the grinding block, and the bottom end of the grinding chamber is provided with an opening, and the grinding chamber is provided with a filter plate at the opening.

Preferably, an opening is formed at the bottom end of the casing away from the feeding pipe, and the casing is provided with a first drawer at the opening, and the first drawer is located in the inner cavity of the casing.

Preferably, the first drawer is provided with an opening at the bottom end of one side away from the feeding tube, and the first drawer is provided with a second drawer at the opening, and the second drawer is located in the inner cavity of the first drawer.

Preferably, the inner cavity of the first drawer is provided with a filter screen, and the filter screen is located above the second drawer, and handles are provided on the sides of the first drawer and the second drawer away from the feeding pipe.

Preferably, the outer portion of the first bevel gear is provided with teeth of a quarter of the circumference, the outer portion of the second bevel gear is provided with tooth slots, and the length of the teeth is equal to one-half of the circumference of the second bevel gear The length of the tooth slot that meshes with the gear teeth.

The beneficial effects of the present utility model are:

1. By setting a motor, a motor can be used to drive the grinding wheel to rotate and move vertically, so as to fully grind the raw materials of the fire extinguishing agent, which not only saves electricity but also reduces the cost of the grinding process;

2. By setting the shell as a closed space, the powdered fire extinguishing agent can be prevented from entering the air, thereby reducing the waste of fire extinguishing agent and avoiding the discomfort caused by the dust to the operator's body.

Compared with the existing device, the utility model can achieve the effect of rotating and vertically moving the grinding block by driving a motor, that is, the fire extinguishing agent is fully ground, and the production cost is also saved, and at the same time, the fire extinguishing process is extinguished during the grinding process. The agent will not be spilled into the air, avoiding the impact of dust on the operator.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of a kind of dry powder fire extinguishing agent grinding device proposed by the utility model;

Fig. 2 is the top view structure schematic diagram of the support rod of a kind of dry powder fire extinguishing agent grinding device proposed by the utility model;

Fig. 3 is the bottom structural schematic diagram of the first bevel gear of a kind of dry powder fire extinguishing agent grinding device proposed by the utility model;

4 is a schematic side view of the structure of a first rotating rod of a dry powder fire extinguishing agent grinding device proposed by the present invention.

In the figure: housing 1, gear column 2, support rod 3, first bevel gear 4, motor 5, fixed rod 6, first movable rod 7, second bevel gear 8, rotating block 9, gear 10, grinding block 11 , Grinding bin 12 , second drawer 13 , first drawer 14 , feeding pipe 15 , partition 16 , bearing 17 , filter plate 18 , second movable rod 19 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-4, a dry powder fire extinguishing agent grinding device includes a housing 1, a motor 5 is fixedly installed on the inner wall of the top end of the housing 1, the output shaft of the motor 5 is welded with a gear column 2, and the outside of the output shaft of the motor 5 is mounted. A first bevel gear 4 is sleeved, a support rod 3 is welded on one inner wall of the housing 1, a bearing 17 is welded on the other end of the support rod 3, the gear column 2 is located on the inner side of the bearing 17, and the other side of the bearing 17 is welded with a bearing 17. A connecting rod, and the other end of the connecting rod is sleeved with a second bevel gear 8, and the top end of the other side of the second bevel gear 8 is welded with a fixed rod 6. A rotating block 9 is rotatably connected to the bottom end of the movable rod 7, and a second movable rod 19 is rotatably connected to the bottom end of the rotating block 9. A gear 10 is sleeved on the outside of the second movable rod 19, and the gear 10 meshes with the gear column 2. The bottom ends of the two movable rods 19 are welded with a grinding block 11 , and a partition 16 is fixedly connected to the middle of the inner cavity of the casing 1 . A grinding bin 12 is welded at the bottom end, the grinding bin 12 is located directly below the grinding block 11, and one side of the grinding bin 12 and one side of the shell 1 are provided with feeding ports, and a feeding port is provided between the two feeding ports. There is a feeding pipe 15, the inner cavity of the grinding chamber 12 has the same size and shape as the grinding block 11, and the bottom end of the grinding chamber 12 is provided with an opening, and the grinding chamber 12 is welded with a filter plate 18 at the opening, and the shell 1 The bottom end of one side of the feeding tube 15 is provided with an opening, and the casing 1 is provided with a first drawer 14 at the opening. The bottom end is provided with an opening, and the first drawer 14 is provided with a second drawer 13 at the opening, the second drawer 13 is located in the inner cavity of the first drawer 14, and the inner cavity of the first drawer 14 is provided with a filter screen, and the filter screen is located in the inner cavity of the first drawer 14. Above the second drawer 13, handles are welded on the sides of the first drawer 14 and the second drawer 13 away from the feed pipe 15, the first bevel gear 4 is The outside of the gear 8 is provided with tooth slots, and the length of the gear teeth is equal to the length of the second bevel gear 8 half the circumference of the tooth slots, and the tooth slots are engaged with the gear teeth.

Working principle: When grinding the fire extinguishing agent, first connect the motor 5 with an external power supply and start it, the motor 5 drives the first bevel gear 4 and the gear column 2 to rotate, the gear column 2 rotates through the gear 10, and the gear 10 passes through the second movable rod. 19 drives the grinding block 11 to rotate, and at the same time the first bevel gear 4 drives the second bevel gear 8 to rotate intermittently by using the quarter-circle gear teeth. When the second bevel gear 8 rotates, the fixed rod 6 passes through the first movable rod 7 The rotating block 9 and the second movable rod 19 are driven to move in the vertical direction. When the first bevel gear 4 meshes with the second bevel gear 8, the grinding block 11 can be driven to rise. When the gear 8 is not meshed, the grinding block 11 falls under its own gravity, so as to grind the fire extinguishing agent raw material. At this time, the fire extinguishing agent raw material can be put into the feeding pipe 15. When the grinding block 11 rises, the feeding port is exposed. , the raw materials can enter the grinding chamber 12. When the grinding block 11 descends, the feeding port is blocked. At this time, the grinding block 11 can grind the raw materials in the grinding chamber 12, and the ground fire extinguishing agent can pass from the filter plate 18. Falling into the first drawer 14, in order to grind enough fire extinguishing agent to fall on the filter screen, it can be put into the grinding chamber 12 from the feeding pipe 15 again for secondary grinding, and the sufficiently ground fire extinguishing agent can fall into the second drawer 13 , to collect.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. A dry powder fire extinguishing agent grinding device, comprising a housing (1), characterized in that a motor (5) is provided on the top inner wall of the housing (1), and an output shaft of the motor (5) is provided with a gear A column (2) is provided, and a first bevel gear (4) is sleeved outside the output shaft of the motor (5), and a support rod (3) is provided on one inner wall of the casing (1), and the support rod ( 3) The other end is provided with a bearing (17), the gear column (2) is located on the inner side of the bearing (17), the other side of the bearing (17) is provided with a connecting rod, and the other end of the connecting rod is sleeved There is a second bevel gear (8), a fixed rod (6) is provided on the top end of the other side of the second bevel gear (8), and a first movable rod (7) is sleeved outside the fixed rod (6). , the bottom end of the first movable rod (7) is provided with a rotating block (9), the bottom end of the rotating block (9) is provided with a second movable rod (19), and the second movable rod (19) A gear (10) is sleeved on the outside of the gear (10), the gear (10) is meshed with the gear column (2), the bottom end of the second movable rod (19) is provided with a grinding block (11), and the housing (1) ) is provided with a partition (16) in the middle of the inner cavity, the plate body of the partition (16) is provided with a circular through hole, and the partition (16) is provided with a grinding chamber (16) at the bottom end of the circular through hole. 12). 2. A dry powder fire extinguishing agent grinding device according to claim 1, characterized in that the grinding bin (12) is located directly below the grinding block (11), and one side of the grinding bin (12) and the shell One side of (1) is provided with a feeding port, and a feeding pipe (15) is provided between the two feeding ports. 3. A dry powder fire extinguishing agent grinding device according to claim 1, characterized in that the inner cavity of the grinding bin (12) has the same size and shape as the grinding block (11), and the grinding bin (12) has the same size and shape. The bottom end is provided with an opening, and the grinding chamber (12) is provided with a filter plate (18) at the opening. 4. A dry powder fire extinguishing agent grinding device according to claim 2, characterized in that an opening is formed at the bottom end of the side of the casing (1) away from the feeding pipe (15), and the casing (1) A first drawer (14) is provided at the opening, and the first drawer (14) is located in the inner cavity of the casing (1). 5 . The dry powder fire extinguishing agent grinding device according to claim 4 , wherein the bottom end of the first drawer ( 14 ) away from the feeding pipe ( 15 ) is provided with an opening, and the first drawer ( 14 ) 14) A second drawer (13) is provided at the opening, and the second drawer (13) is located in the inner cavity of the first drawer (14). 6. A dry powder fire extinguishing agent grinding device according to claim 5, wherein the inner cavity of the first drawer (14) is provided with a filter screen, and the filter screen is located above the second drawer (13), A handle is provided on the side of the first drawer (14) and the second drawer (13) away from the feeding pipe (15). 7 . The dry powder fire extinguishing agent grinding device according to claim 1 , wherein the first bevel gear ( 4 ) is provided with quarter-circumferential gear teeth, and the second bevel gear ( 4 ). The outside of 8) is provided with tooth slots, and the length of the gear teeth is equal to the length of the second bevel gear (8) half the circumference of the tooth slots, and the tooth slots are meshed with the gear teeth.

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