CN212040177U - Accelerator agitating unit - Google Patents

Abstract

The utility model discloses a quick-setting agent stirring device, which comprises a vibration stirring box, wherein the vibration stirring box includes a stirring motor, a power transmission shaft, a rotating shaft, a stirring shaft, a lever and a connecting ball; Pneumatic vibration device, the output shaft of the stirring motor is connected with the power transmission shaft, the power transmission shaft is connected with the rotating shaft, the rotating shaft is provided with a stirring shaft, the conveying and stirring shaft is distributed on the rotating shaft in a spherical shape, and the end of the stirring shaft is connected through the ball. The lever is fixed, the lever can rotate along the connecting ball, and the ends of all levers are located on the same spherical surface. The quick-setting agent stirring device of the utility model, stirring and vibration are carried out at the same time, the stirring adopts a spherically distributed stirring rod mechanism, and the vibration adopts a pneumatic vibration device. It can disperse more materials and make the mixing effect better.

Description

A quick-setting agent stirring device

technical field

The utility model belongs to the technical field of accelerators, in particular to a stirring device for accelerators.

Background technique

During the excavation process of the mine roadway, in order to ensure the construction quality and service life of the roadway, after the rock fall is blasted, the bolt is supported first, and then the shotcrete cover is carried out. In addition to the concrete, a part of the quick-setting agent is added to the composition of the shotcrete slurry to promote the rapid solidification of the slurry sprayed on the roadway. At present, in the existing shotcrete construction process, it mainly relies on special personnel to add quick-setting agent to the shotcrete machine, which is labor-intensive, low in work efficiency, increases labor costs, and inaccurate control of the amount of addition and poor uniformity, resulting in In the shotcrete process, there are many rebound materials and uneven strength after the shotcrete solidifies, which wastes materials; in addition, during the manual feeding process, part of the accelerator will leak into the surrounding air and cannot be fully utilized, causing dust Pollution.

Dry-mix shotcrete mainly uses powdered quick-setting agent to be directly mixed with aggregate, and then sent to the nozzle by pump or air, and finally mixed with the pressure water from the pressure water tank and then sprayed out.

At present, the utility model with the application number CN201822219737.9 discloses an accelerator adding device, which includes a feeding pipe, a stirring chamber and a mixing box, the stirring chamber is arranged below the feeding pipe, and the mixing box is arranged Below the mixing chamber, a drive motor is arranged on one side of the mixing box, and the output shaft of the driving motor is connected with the screw shaft in the mixing box, the screw shaft is provided with a helical blade, and the feeding pipe is connected to the screw shaft. A weighing frame is arranged between the stirring chambers, and the weighing frame is connected with the weighing device; a stirring device is arranged in the stirring chamber, and the stirring device includes a stirring motor, a stirring shaft, a lever and a paddle, and the stirring motor It is connected with the stirring shaft, one end of the lever is connected with the stirring shaft, and the pick is arranged on the other end of the lever. The quick-setting agent adding device of the utility model makes the quick-setting agent and the aggregate mix evenly through the stirring device and the double-screw conveying method.

When the stirring device in the device is in use, since the lever is arranged on a plane and the stirring cavity is a square structure, the stirring is not uniform, and the stirring process is only driven by the motor to stir the stirring rod. The agglomerated material with a large weight is easy to fall directly, especially in the case where the stirring rod in the application is on a flat surface, resulting in a lot of agglomerates that are not broken up during the actual use.

Therefore, how to solve the above-mentioned defects in the prior art has become the direction of those skilled in the art.

Utility model content

The purpose of the utility model is mainly to improve the application number CN201822219737.9, and to provide a quick-setting agent stirring device, which can disperse materials, and the formed spherical stirring surface makes stirring more uniform, which can completely solve the above-mentioned problems of the prior art. deficiencies.

The purpose of the utility model is achieved through the following technical solutions: a stirring device for quick-setting agent, comprising a vibration stirring box, and the vibration stirring box includes a stirring motor, a power transmission shaft, a rotating shaft, a stirring shaft, a lever and a connecting ball There is a pneumatic vibration device on the vibration mixing box, the output shaft of the stirring motor is connected with the power transmission shaft, the power transmission shaft is connected with the rotating shaft, the rotating shaft is provided with a stirring shaft, and the conveying and stirring shaft is distributed on the rotating shaft in a spherical shape, The end of the stirring shaft fixes the lever through the connecting ball, the lever can rotate along the connecting ball, and the ends of all levers are located on the same spherical surface.

As a preferred manner, the lever is provided with soft strips, and the soft strips are crisscrossed and fixed on the lever.

As a preferred way, the levers are 8-12 and fixed on the stirring shaft in dislocation.

As a preferred manner, the lever is a columnar structure.

As a preferred manner, the power source of the pneumatic vibration device is an air compressor.

Compared with the prior art, the beneficial effect of the present utility model is that: the quick-setting agent stirring device of the present utility model performs stirring and vibration at the same time, the stirring adopts a spherically distributed stirring rod mechanism, and the vibration adopts a pneumatic vibration device. At the same time, the whole mixing box vibrates, and the spherical mixing method in it stirs more evenly, which can disperse more materials and make the mixing effect better.

Description of drawings

Fig. 1 is the structural schematic diagram of the quick-setting agent stirring device of the present invention.

FIG. 2 is a schematic structural diagram of the stirring device in FIG. 1 .

FIG. 3 is a schematic structural diagram of the lever in FIG. 2 .

FIG. 4 is one of the schematic diagrams of the positions of the stirring device of the present invention used in the adding and conveying system of the quick-setting agent.

FIG. 5 is the second schematic diagram of the position of the stirring device of the present invention used in the adding and conveying system of the quick-setting agent.

In the accompanying drawings: material box 1, vibration mixing box 2, pneumatic vibration device 3, discharge box 4, mixing device 5, connecting head 6, material distribution box 7, flat vibrator 8, shaking box 9, No. 1 flexible connection 10, No. 2 flexible coupling 11, eccentric gear 12, electric valve 13.

Power transmission shaft 50 , rotating shaft 51 , stirring shaft 52 , lever 53 , connecting ball 54 , soft strip 55 .

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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-5, a quick-setting agent stirring device includes a vibration stirring box 2, and the vibration stirring box 2 includes a stirring motor (not shown in the figure), a power transmission shaft 50, a rotating shaft 51, a stirring Shaft 52, lever 53 and connecting ball 54; a pneumatic vibration device 3 is provided on the vibrating stirring box 2, the output shaft of the stirring motor is connected with the power transmission shaft 50, and the power transmission shaft 50 is connected with the rotating shaft 51, on the rotating shaft 51 A stirring shaft 52 is provided, and the conveying stirring shaft 52 is distributed on the rotating shaft 51 in a spherical shape. The end of the stirring shaft 52 is fixed to the lever 53 through the connecting ball 54. The ends of are on the same sphere. The lever 53 is provided with soft strips 55 , and the soft strips 55 are crisscrossed and fixed on the lever 53 .

Specifically, the levers 53 are 8-12, which are fixed on the stirring shaft 52 in dislocation, and form a shape with a spherical surface. When the rotating shaft rotates under the action of the power transmission shaft, all the levers can form a The virtual spherical agitator can make the stirring more uniform. When the material falls, the gap between the two adjacent levers changes with the displacement during rotation, and the gap is very small. The lever 53 is a columnar structure. The rotation of the stirring motor drives the lever on the stirring shaft to rotate along the stirring shaft to stir the materials in the stirring chamber. Regular rotation, the soft strip on it plays the role of finely dividing the material, dividing the bulk material, so as to make the stirring of the material more uniform.

The power source of the pneumatic vibration device 3 is an air compressor. The pneumatic vibrator uses the high-pressure gas discharged from the air compressor to connect to the product inlet through the gas pipe. When the gas pushes the piston upward, the gas in the gas chamber on the piston is squeezed, and the squeezed gas is discharged through the exhaust hole. When the piston goes up to the end point, the gas automatically switches the ventilation direction through the groove and the air passage, so that the gas enters the upper air chamber of the piston. The high-pressure gas pushes the piston down to the end point. The first cycle ends, and the second cycle begins. The continuous reciprocating cycle causes the vibrator to move and shake, thereby generating vibration force. Before installing the vibrator, make sure that the installation location has been carefully selected to ensure the best work effect. The installation surface must be clean and flat.

The entire pneumatic vibrating device 3 is purchased from stock, and it is a sealed structure, which prevents dust from entering the inside of the gas tank, and is used in places prone to dust explosion hazards to reduce the occurrence of risks. The rotor is powered by a cavity compressor, which is used for vibration conveying and vibration diffusion. It has the function of instant stop operation and is used as the vibration source of the vibration table.

The quick-setting agent adding and conveying system includes a material box 1, a vibration stirring box 2, a discharge box 4 and a material distribution box 7. The material box 1 is divided into upper and lower sections, the upper section of the material box 1 is a storage box, and the top of the storage box is There is a material feeding port, the lower section of the material box 1 is a shaking box 9, and a flat vibrator 8 is arranged on the shaking box 9; The outlet of the box 4 is sealed and connected through the connecting head 6, and the bottom of the material distribution box 7 is provided with a material outlet 76. The storage box and the shaking box 9 are connected through a No. 2 flexible coupling 11, the section of the No. 2 flexible coupling 11 is wave-shaped, and the No. 2 flexible coupling 11 can shrink and expand along the wave shape. The shaking box 9 and the vibrating stirring box 2 are connected by a No. 1 flexible coupling 10, the section of the No. 1 flexible coupling 10 is wave-shaped, and the No. 1 flexible coupling 10 can shrink and expand along the wave shape. The flexible coupling is made of high-strength rubber. In this embodiment, the function is to reduce the wear caused by the rigid connection between the shaking box and the storage box, and the shaking box and the vibration mixing box. Hard connection, wear is very serious, flexible connection can reduce the occurrence of this wear phenomenon.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (5)

1. An accelerator stirring device comprises a vibration stirring box, wherein the vibration stirring box comprises a stirring motor, a power transmission shaft, a rotating shaft, a stirring rod and a connecting ball; the method is characterized in that: the pneumatic vibrating device is arranged on the vibrating stirring box, an output shaft of the stirring motor is connected with the power transmission shaft, the power transmission shaft is connected with the rotating shaft, the rotating shaft is provided with the stirring shaft, the conveying stirring shaft is distributed on the rotating shaft in a spherical shape, the end part of the stirring shaft fixes the shifting rod through the connecting ball, the shifting rod can rotate along the connecting ball, and the end parts of all the shifting rods are positioned on the same spherical surface.

2. The accelerator stirring device according to claim 1, wherein: the driving lever is provided with soft strips which are fixed on the driving lever in a criss-cross manner.

3. The accelerator stirring device according to claim 2, characterized in that: the number of the deflector rods is 8-12, and the deflector rods are fixed on the stirring shaft in a staggered manner.

4. The accelerator stirring device according to claim 3, wherein: the deflector rod is of a columnar structure.

5. The accelerator stirring device according to claim 1, wherein: the power source of the pneumatic vibration device is an air compressor.

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