CN217201001U

CN217201001U - A but protector that automatic switch is used for concrete powder material loading

Info

Publication number: CN217201001U
Application number: CN202220442554.7U
Authority: CN
Inventors: 梁竹英; 王霄冲; 魏社的; 李文举
Original assignee: Handan Wanfu Cement Products Co ltd
Current assignee: Handan Wanfu Cement Products Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-16
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a but protector of automatic switch for concrete powder material loading, including the guard plate, it has exit to open on the guard plate, be equipped with slewing mechanism on the guard plate, slewing mechanism is including the circular through-hole that is located the guard plate upper end, install antifriction bearing in the circular through-hole, install the axis of rotation in the antifriction bearing, the rotation shutter is installed to the axis of rotation lower extreme, be equipped with automatic switching mechanism on the guard plate, automatic switching mechanism is including the square through-hole that is located guard plate one side, be equipped with square telescopic link in the square through-hole, square telescopic link surface mounting has the removal rack, removal rack below is equipped with drive gear, the last live-rollers of installing of drive gear, first bevel gear is installed to live-rollers one end. The beneficial effects of the utility model are that, can be when the freight train removes the assigned position, open the guard gate automatically, remove the back at the freight train, close convenient to use with the guard gate automatically.

Description

Automatic opening and closing protection device for concrete powder feeding

Technical Field

The utility model relates to a concrete processing equipment technical field, more specifically the theory that says so relates to a but protector of automatic switch for concrete powder material loading.

Background

Concrete needs powder such as fly ash, granulation blast furnace slag when adding man-hour, and higher holding vessel can be established in the workshop to general mill, can add the powder in the holding vessel to the agitator through hank cage conveyer, and when the powder in the holding vessel is less, need to the holding vessel in the material loading, the discharging pipe on general direct with the freight train is connected with the inlet pipe of holding vessel, draws the powder and carries out the material loading through the pipeline.

In the prior art, a storage tank is generally arranged in a workshop, in order to facilitate loading, a protective stop door is required to be arranged on the wall of the workshop to enable a truck to move to the protective stop door, then the protective stop door is manually opened, and a pipeline is connected, but the storage tank has problems in use, when a driver drives the truck to move to one side of the protective stop door, the truck needs to be stopped firstly, then the truck gets off to open the protective stop door, then one end of a discharge pipe of the truck is moved into the workshop, then the pipeline is connected, after loading is finished, the truck needs to be opened, the protective stop door is closed, the use is troublesome, the working efficiency is low, sometimes, the protective stop door is forgotten to be closed, external dust easily enters the workshop, powder in the workshop easily floats to the outside, the environment is polluted, and the protective stop door can also be electric, however, the electric door needs to be connected with more lines, so that the cost is higher, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a but protector of automatic switch for concrete powder material loading has been designed.

The technical scheme of the utility model is that the automatic switch protection device for feeding concrete powder comprises a protection plate which is fixedly arranged at the lower end of a workshop provided with a concrete powder tank and is provided with an inlet and an outlet, a rotating mechanism is arranged on the protection plate,

the rotating mechanism comprises a circular through hole positioned at the upper end of the protection plate, the circular through hole is positioned above the inlet and the outlet, a rolling bearing is arranged in the circular through hole, a rotating shaft with two ends extending to the outer side of the rolling bearing is arranged in the rolling bearing, a rotating stop door is arranged at the lower end of the rotating shaft,

automatic closing mechanism, automatic closing mechanism is including the square through hole that is located guard plate one side, be equipped with the square telescopic link that both ends stretched the guard plate both sides in the square through hole, square telescopic link is located the inboard lower surface mounting of square through hole and removes the rack, it is equipped with drive gear to remove the rack below, drive gear and removal rack toothing, the last live-rollers of installing of drive gear, live-rollers fixed mounting is at the inboard surface of guard plate, first bevel gear is installed to live-rollers one end, the second bevel gear is installed to axis of rotation one end, second bevel gear and first bevel gear meshing.

Furthermore, the square telescopic rod upper surface one side is installed and is reset the board, reset board and guard plate pass through reset spring and connect.

Furthermore, surface mounting has the guide block on square telescopic link both sides, the guide block both sides are equipped with the direction slide, direction slide one end fixed mounting is in guard plate side surface.

Furthermore, the limiting rod is installed to guard plate outside surface lower extreme, the limiting rod is located exit one side.

Further, exit is circular mouth, install a plurality of L shape dead levers on the guard plate, L shape dead lever uses the axis of rotation to become circumference evenly distributed as the center, universal ball is installed to L shape dead lever one end.

Further, the rotary stop door comprises a U-shaped plate, a connecting plate is mounted at the upper end of the U-shaped plate, and the connecting plate is fixedly connected with the lower end of the rotary shaft.

The utility model has the advantages that: the protective door can be automatically opened when the truck moves to a designated position, and can be automatically closed after the truck moves away, so that the use is convenient, the working efficiency is improved, the inlet and the outlet can be sealed when the loading is not needed, the pollution is prevented, the electric power equipment is not needed, the potential safety hazard is reduced,

the rotary stop door is vertically arranged in a normal state, can block the inlet and the outlet, prevents dust from entering and exiting, protects the environment,

when the material is required to be fed, the truck moves to the front side of the protection plate and backs to the rear side, the truck can push the telescopic rod to the rear side, the rotating shaft can rotate through gear transmission, the rotating stop door is driven to rotate, the inlet and the outlet can be opened, the discharging pipe of the truck can be conveniently fed, after the material is fed, the truck is opened, the rotating stop door can be pulled back to the original position under the action of gravity and the pulling force of the spring, the inlet and the outlet are closed, no extra manual work is required, and the working efficiency is improved,

the device is driven by a pure mechanical structure, does not need electric equipment, reduces the manufacturing cost and is safer to use.

Drawings

Fig. 1 is a schematic structural view of an automatic on-off protection device for feeding concrete powder according to the present invention;

FIG. 2 is a schematic sectional view of the protection device of the present invention for automatically opening and closing the feeding of concrete powder in the rear view direction;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of the side view of the automatically openable and closable protective device for feeding concrete powder according to the present invention;

FIG. 5 is a partial enlarged view at B in FIG. 4;

in the figure, 1, a protection plate; 2. an inlet and an outlet; 3. a circular through hole; 4. a rolling bearing; 5. a rotating shaft; 6. rotating the stop gate; 7. a square through hole; 8. a square telescopic rod; 9. moving the rack; 10. a transmission gear; 11. a rotating roller; 12. a first bevel gear; 13. a second bevel gear; 14. a reset plate; 15. a return spring; 16. a guide block; 17. a guide slide way; 18. a limiting rod; 19. an L-shaped fixing rod; 20. a ball transfer unit; 21. a U-shaped plate; 22. a connecting plate.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-5: a protective device capable of being automatically opened and closed for feeding concrete powder comprises a protective plate 1, wherein the protective plate 1 is fixedly arranged at the lower end of a workshop provided with a concrete powder tank, an inlet and an outlet 2 are formed in the protective plate 1, a rotating mechanism is arranged on the protective plate 1,

the rotating mechanism comprises a circular through hole 3 positioned at the upper end of the protection plate 1, the circular through hole 3 is positioned above the inlet and outlet 2, a rolling bearing 4 is arranged in the circular through hole 3, a rotating shaft 5 with two ends extending to the outer side of the rolling bearing 4 is arranged in the rolling bearing 4, a rotating stop door 6 is arranged at the lower end of the rotating shaft 5,

automatic switching mechanism, automatic switching mechanism is including the square through hole 7 that is located protection plate 1 one side, be equipped with the square telescopic link 8 that both ends stretched to protection plate 1 both sides in the square through hole 7, square telescopic link 8 is located the lower surface mounting that square through hole 7 is inboard and is moved rack 9, it is equipped with drive gear 10 to remove rack 9 below, drive gear 10 and the meshing of removing rack 9, install live-rollers 11 on the drive gear 10, live-rollers 11 fixed mounting is on the surface of protection plate 1 inboard, first bevel gear 12 is installed to live-rollers 11 one end, second bevel gear 13 is installed to 5 one ends of axis of rotation, second bevel gear 13 and the meshing of first bevel gear 12.

In order to facilitate the square telescopic rod 8 to return to the original position, a reset plate 14 is installed on one side of the upper surface of the square telescopic rod 8, and the reset plate 14 is connected with the protection plate 1 through a reset spring 15.

In order to facilitate guiding the square telescopic rod 8, the surfaces of the two sides of the square telescopic rod are provided with guide blocks 16, the two sides of each guide block 16 are provided with guide slideways 17, and one ends of the guide slideways 17 are fixedly arranged on the surface of one side of the protection plate 1.

In order to intercept the rotary stop door 6 conveniently, a limiting rod 18 is arranged at the lower end of the outer side surface of the protection plate 1, and the limiting rod 18 is positioned on one side of the inlet and outlet 2.

In order to limit the rotating stop gate 6 conveniently, the inlet and the outlet 2 are circular openings, a plurality of L-shaped fixing rods 19 are mounted on the protection plate 1, the L-shaped fixing rods 19 are evenly distributed on the circumference by taking the rotating shaft 5 as the center, and universal balls 20 are mounted at one ends of the L-shaped fixing rods 19.

In order to facilitate the rotation of the rotary shutter 6, the rotary shutter 6 comprises a U-shaped plate 21, a connecting plate 22 is mounted at the upper end of the U-shaped plate 21, and the connecting plate 22 is fixedly connected with the lower end of the rotary shaft 5.

when the material is required to be loaded, the truck moves to the front side of the protection plate and backs up towards the rear side, the truck can push the telescopic rod towards the rear side, the rotating shaft can rotate through gear transmission, the rotating stop door is driven to rotate, the inlet and the outlet can be opened, the discharging pipe of the truck can be used for loading conveniently, after the material is loaded, the truck is driven away, the rotating stop door can be pulled back to the original position under the action of gravity and the pulling force of the spring, the inlet and the outlet are sealed, additional manual participation is not needed, the working efficiency is improved,

The working principle of the embodiment is as follows: in a normal state, the protection plate 1 vertically and downwards blocks the inlet and outlet 2, the reset spring 15 is in a stretching state, one end of the protection plate 1 is blocked by the limiting rod 18, the protection plate 1 can be prevented from moving to one side of the inlet and outlet 2, the L-shaped fixing rod 19 can limit the protection plate 1, the protection plate 1 can tightly attach the inlet and outlet 2, dust is prevented from entering and exiting, the environment is protected,

when the material is required to be loaded, a worker drives the truck to back up towards the rear side, the carriage of the truck is enabled to prop against the square telescopic rod 8, the square telescopic rod 8 can be pushed towards the rear side when the truck moves towards the rear side, the reset plate 14 can move towards the rear side when the square telescopic rod 8 moves, the reset spring 15 is stretched, the guide block 16 and the guide slideway 17 can ensure the moving direction of the square telescopic rod 8, the moving rack 9 can move towards the rear side when the square telescopic rod 8 moves, the moving rack 9 is meshed with the transmission gear 10 to drive the transmission gear 10 to rotate, the transmission gear 10 can drive the rotating roller 11 and the first bevel gear 12 to rotate, the first bevel gear 12 is meshed with the second bevel gear 13 to drive the second bevel gear 13 and the rotating shaft 5 to rotate, the rotating shaft 5 can drive the rotating baffle door 6 to rotate towards the side far away from the limiting rod 18, and further can open the inlet and outlet 2, at the moment, the truck is stopped, the rotary stop door 6 stops rotating, the feed pipe of the storage tank can be connected with the discharge pipe of the truck, then the loading is carried out, after the loading is finished, the connection between the feed pipe of the storage tank and the discharge pipe of the truck is disconnected,

the truck is directly driven away, the square telescopic rod 8 can be pulled back to the original position under the elastic force of the return spring 15, when the square telescopic rod 8 returns to the original position, the movable rack 9 can move to the front side, the movable rack 9 is meshed with the transmission gear 10 to drive the transmission gear 10 to rotate, the transmission gear 10 can drive the rotating roller 11 and the first bevel gear 12 to rotate, the first bevel gear 12 is meshed with the second bevel gear 13 to drive the second bevel gear 13 and the rotating shaft 5 to rotate, the rotating shaft 5 can drive the rotating stop door 6 to rotate to one side close to the limiting rod 18, the inlet and the outlet 2 can be opened, the rotating stop door 6 can automatically rotate downwards under the action of gravity and seal the inlet and the outlet 2, when the rotating stop door 6 rotates to one side of the limiting rod 18, the rotating stop door 6 does not rotate any more, even if the return spring 15 is still in a stretching state, the square telescopic rod 8 can stop moving, and then can be automatic open and seal 2 with the exit, convenient to use has protected the environment, has reduced the potential safety hazard.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A protection device capable of being automatically opened and closed for feeding concrete powder comprises a protection plate (1), wherein the protection plate (1) is fixedly arranged at the lower end of a workshop provided with a concrete powder tank, an inlet and an outlet (2) are formed in the protection plate (1), and the protection device is characterized in that a rotating mechanism is arranged on the protection plate (1),

the rotating mechanism comprises a circular through hole (3) positioned at the upper end of the protection plate (1), the circular through hole (3) is positioned above the inlet and outlet (2), a rolling bearing (4) is installed in the circular through hole (3), a rotating shaft (5) is installed in the rolling bearing (4), the two ends of the rotating shaft extend to the outer side of the rolling bearing (4), a rotating stop door (6) is installed at the lower end of the rotating shaft (5),

an automatic opening and closing mechanism which comprises a square through hole (7) positioned at one side of the protection plate (1), a square telescopic rod (8) with two ends extending to two sides of the protection plate (1) is arranged in the square through hole (7), the lower surface of the square telescopic rod (8) positioned at the inner side of the square through hole (7) is provided with a movable rack (9), a transmission gear (10) is arranged below the movable rack (9), the transmission gear (10) is meshed with the movable rack (9), the transmission gear (10) is provided with a rotating roller (11), the rotating roller (11) is fixedly arranged on the surface of the inner side of the protection plate (1), a first bevel gear (12) is installed at one end of the rotating roller (11), a second bevel gear (13) is installed at one end of the rotating shaft (5), and the second bevel gear (13) is meshed with the first bevel gear (12).

2. The automatic switch protection device for concrete powder feeding is characterized in that a reset plate (14) is installed on one side of the upper surface of the square telescopic rod (8), and the reset plate (14) is connected with the protection plate (1) through a reset spring (15).

3. The automatic open-close protection device for concrete powder feeding is characterized in that guide blocks (16) are arranged on the surfaces of the two sides of the square telescopic rod (8), guide slideways (17) are arranged on the two sides of each guide block (16), and one end of each guide slideway (17) is fixedly arranged on one side surface of the protection plate (1).

4. The automatic open-close protection device for concrete powder feeding is characterized in that a limiting rod (18) is installed at the lower end of the outer side surface of the protection plate (1), and the limiting rod (18) is located on one side of the inlet and outlet (2).

5. The automatic open-close protection device for concrete powder feeding is characterized in that the inlet and outlet (2) is a circular opening, a plurality of L-shaped fixing rods (19) are mounted on the protection plate (1), the L-shaped fixing rods (19) are uniformly distributed around a rotating shaft (5) in a circumferential mode, and universal balls (20) are mounted at one ends of the L-shaped fixing rods (19).

6. The automatic open-close protection device for concrete powder feeding according to claim 1, characterized in that the rotary shutter (6) comprises a U-shaped plate (21), a connecting plate (22) is installed at the upper end of the U-shaped plate (21), and the connecting plate (22) is fixedly connected with the lower end of the rotary shaft (5).