CN216838830U - Measuring tank for preparation of cement stabilized crushed stone material - Google Patents

Abstract

The utility model relates to a cement stabilized macadam preparation technology, which is used for solving the problem that cement or gel materials are easy to remain at the outlet of a metering tank, which causes deviation of the proportioning of the cement stabilized macadam materials, in particular to a metering tank for preparing the cement stabilized macadam materials; the utility model discloses in, when the hopper blowing down, the raw materials passes through the discharge gate whereabouts, and strike the rotation oar at the in-process that falls down, make the rotation oar drive the cam and rotate, can periodically drive rotor plate compression pressure spring when the cam rotates, and drive the rotor plate through the pressure spring when the cam leaves the rotor plate and kick-back and strike hopper down, make remaining raw materials on the slope inner wall of hopper down trembled down, guarantee that the ratio of cement stabilization rubble material is correct stable, simultaneously because the rotor plate strikes hopper down with the striking post constantly, make the discharge gate can produce vibration and noise, for the pollution of reduction vibration and noise, reduce the adverse effect who strikes hopper production down through rubber and sponge material.

Description

Metering tank for preparation of cement stabilized crushed stone material

technical field

The utility model relates to the preparation technology of cement-stabilized crushed stone, in particular to a measuring tank for the preparation of cement-stabilized crushed stone material.

Background technique

Cement-stabilized crushed stone is an ideal base material for advanced pavement. During the production of cement-stabilized crushed stone, materials such as graded crushed stone and cement mortar need to be fully mixed by mixing equipment. The mixing equipment must have an automatic metering system. And the measurement should be accurate to ensure the stable quality of cement-stabilized crushed stone materials;

At present, the existing measuring tanks for the preparation of cement-stabilized crushed stone materials still have shortcomings. It is easy to use in the production process, and it is not easy to spill raw materials, but the inner wall of the inclined platform is often prone to residual cement materials or cementitious materials, so that the pre-set raw materials in the metering tank cannot all enter the mixing equipment, resulting in cement-stabilized crushed stone materials. The quality is not up to standard, affecting the construction and use;

In view of the above technical problems, the present application proposes a solution.

Utility model content

In the utility model, when the material is discharged from the lower hopper, the raw material falls through the discharge port, and impacts the rotating paddle during the falling process, so that the rotating paddle drives the cam to rotate. When the cam leaves the rotating plate, the pressure spring drives the rotating plate to rebound and hit the lower hopper, so that the remaining raw materials on the inclined inner wall of the lower hopper are shaken off, so that the raw materials in the metering tank can be discharged cleanly, and the cement can stabilize the ratio of crushed stone materials. Correct and stable, at the same time, because the rotating plate and the impact column continuously knock the lower hopper, the discharge port will generate vibration and noise. In order to reduce the pollution of vibration and noise, a partition is set on the outer wall of the lower hopper, and rubber and sponge materials are used to reduce knocking. The unfavorable effects of knocking down the hopper solve the problem that cement or gel material is easy to remain at the outlet of the metering tank, which leads to the deviation of the ratio of cement-stabilized crushed stone material, and a metering tank for the preparation of cement-stabilized crushed stone material is proposed.

The purpose of the present utility model can be achieved through the following technical solutions:

The measuring tank for the preparation of cement-stabilized crushed stone material includes a tank body, a lower hopper is arranged below the tank body, a discharge port is fixedly connected under the lower hopper, and openings are provided on both sides of the discharge port, and the The outer side of the opening is fixedly connected with an arc-shaped protective cover;

The inside of the protective cover is rotatably connected with a transmission shaft, one end of the transmission shaft protrudes from the side wall of the protective cover, and the part of the outer wall of the transmission shaft located inside the protective cover is fixedly connected with a rotating paddle, and the end of the transmission shaft is located outside the protective cover. A cam is fixedly installed.

As a preferred embodiment of the present invention, a support shaft is fixedly installed on the side of the outer wall of the tank close to the cam, the outer wall of the support shaft is rotatably connected with a rotating plate, and the top of the rotating plate is fixedly connected with a horizontal plate, so An impact column is fixedly installed on the outer wall of the horizontal plate.

As a preferred embodiment of the present invention, a baffle plate is fixedly installed on the outer wall of the tank, the baffle plate is located obliquely above the bottom of the rotating plate, and a compression spring is arranged between the baffle plate and the rotating plate.

As a preferred embodiment of the present invention, the two sets of rotating paddles are symmetrically arranged on both sides of the discharge port, and the central axis of the rotating paddles is located directly below the side wall of the discharge port, and between the two sets of rotating paddles are arranged gap.

As a preferred embodiment of the present invention, the support shaft is located above the cam, and the support shaft and the cam are located in the same plane, and the cam is in contact with the bottom of the rotating plate.

As a preferred embodiment of the present invention, the outer side of the lower hopper is covered with a partition, the partition is provided with an opening near the impact column, and the impact column is in contact with the outer wall of the lower hopper through the opening.

As a preferred embodiment of the present utility model, the top of the lower hopper and the bottom of the tank are connected by a bellows tube capable of filtering shocks, and two sets of rotating plates are symmetrically arranged on the left and right sides of the discharge port, and the two sets of impact The columns are also symmetrically arranged on the front and rear sides of the discharge port.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present utility model, when the material is discharged from the lower hopper, the raw material falls through the discharge port, and during the falling process, the rotating paddle is impacted, so that the rotating paddle drives the cam to rotate, and the rotating plate is periodically driven to compress the compression spring when the cam rotates. And when the cam leaves the rotating plate, the pressure spring drives the rotating plate to rebound and hit the lower hopper, so that the remaining raw materials on the inclined inner wall of the lower hopper are shaken off, so that the raw materials in the metering tank can be discharged cleanly, and the cement stabilizes the crushed stone material. The ratio is correct and stable.

2. In the present utility model, when the lower hopper is discharging, the rotating plate and the impact column continuously strike the lower hopper, so that the discharge port will generate vibration and noise. In order to reduce the pollution of vibration and noise, a partition is arranged on the outer wall of the lower hopper. , Reduce the adverse effects of knocking the lower hopper through rubber and sponge materials.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the structural front view schematic diagram of the present utility model;

Fig. 2 is the structural representation of the utility model cam;

Fig. 3 is the structural representation of the rotating paddle of the present invention;

Fig. 4 is the enlarged structural schematic diagram at A in Fig. 2 of the utility model;

Fig. 5 is the structural representation of the middle and lower hopper of the utility model;

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 1 of the present utility model.

In the figure: 1. Tank body; 2. Lower hopper; 3. Discharge port; 4. Protective cover; 5. Transmission shaft; 6. Rotating paddle; 7. Support shaft; 8. Rotating plate; 9. Horizontal plate; 10 , Impact column; 11, baffle; 12, compression spring; 13, cam; 14, compartment.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. 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.

Example 1:

Please refer to Figures 1 to 4. The measuring tank for the preparation of cement-stabilized crushed stone material includes a tank body 1, and a lower hopper 2 is arranged under the tank body 1. The constriction effect of the hopper reduces the diameter of the discharge port 3, prevents the raw materials from spilling during the discharge, and is easy to control. The discharge port 3 is fixedly connected under the lower hopper 2, and a solenoid valve is arranged inside the discharge port 3. Through the solenoid valve To control the discharge of the raw materials inside the tank 1, there are openings on both sides of the discharge port 3, and the outer side of the opening is fixedly connected with an arc-shaped protective cover 4, and the height of the solenoid valve is higher than that of the protective cover 4 to ensure the solenoid valve. working normally;

A transmission shaft 5 is rotatably connected inside the protective cover 4, and the transmission shaft 5 is located directly below the side wall of the discharge port 3. The transmission shaft 5 is fixed by the bearing seats on both sides of the protective cover 4, and one end of the transmission shaft 5 passes through the side wall of the protective cover 4. Out, and the part of the outer wall of the drive shaft 5 located inside the protective cover 4 is fixedly connected with a rotating paddle 6, the rotating paddle 6 has multiple groups of paddles, and the two sets of rotating paddles 6 are symmetrically arranged on both sides of the discharge port 3 for driving the two groups. For different rotating plates 8 and impact columns 10, a gap is set between the two groups of rotating paddles 6 to avoid mutual influence between the two groups of rotating paddles 6, and the central axis of the rotating paddles 6 is located just below the side wall of the discharge port 3, so that the The falling raw material can just impact the half width of the rotating paddle 6 to ensure the rotation direction and rotation strength of the rotating paddle 6. The end of the transmission shaft 5 located on the outer side of the protective cover 4 is fixedly installed with a cam 13, one side of the cam 13 is gradually convex, the other The side is a cliff-like descent, so that the rotating plate 8 gradually rises when it is lifted by the cam 13, and after the highest point of the cam 13 leaves the rotating plate 8, the rotating plate 8 can bounce back instantly to ensure the percussion force of the rotating plate 8. , the side of the outer wall of the tank body 1 close to the cam 13 is fixedly installed with a support shaft 7, the support shaft 7 is located above the cam 13, and the support shaft 7 and the cam 13 are located in the same plane to ensure that the cam 13 is in close contact with the rotating plate 8, and the support shaft 7. The outer wall is rotatably connected with a rotating plate 8. The rotating plate 8 is bent and arranged with the support shaft 7 as a turning point. The cam 13 is in contact with the bottom of the rotating plate 8, and the rotating plate 8 is driven by the rotation of the cam 13 to do periodic motion. A baffle 11 is fixedly installed, the baffle 11 is located diagonally above the bottom of the rotating plate 8, and a compression spring 12 is arranged between the baffle 11 and the rotating plate 8. When the rotating plate 8 is pushed up by the cam 13, the rotating plate 8 will The compression spring 12 is compressed. When the cam 13 leaves the rotating plate 8, the elastic potential energy stored in the compression spring 12 is released, which drives the rotating plate 8 to rebound to ensure the striking force of the rotating plate 8. The top of the rotating plate 8 is fixedly connected with a horizontal plate 9. , the outer wall of the horizontal plate 9 is fixedly installed with the impact column 10. When the rotating plate 8 moves periodically, the horizontal plate 9 on the top of the rotating plate 8 will drive the impact column 10 to continuously knock the lower hopper 2, so that the residual raw materials on the inner wall of the lower hopper 2 knocked down.

Embodiment 2:

Please refer to Fig. 5-Fig. 6. When the lower hopper 2 is discharging, because the rotating plate 8 and the impact column 10 keep hitting the lower hopper 2, the lower hopper 2 will generate vibration and noise. In order to reduce the pollution of vibration and noise , the outer side of the lower hopper 2 is covered with a partition 14. The partition 14 is generally made of rubber and sponge materials to suppress vibration and noise. The partition 14 has an opening near the impact column 10, and the impact column 10 passes through the opening. It is in contact with the outer wall of the lower hopper 2, so that the kinetic energy of the impact column 10 will not be absorbed by the partition layer 14, and the knocking effect of the impact column 10 is ensured. connected to prevent the vibration of the lower hopper 2 from being transmitted to the tank body 1 and reduce noise pollution, and the two sets of rotating plates 8 are symmetrically arranged on the left and right sides of the discharge port 3, so that the force is uniform when knocking, and the two sets of impact columns 10 also Symmetrically arranged on the front and rear sides of the discharge port 3 to avoid the deviation of the tank 1 caused by continuous knocking on one side, and ensure the service life.

In combination with Embodiment 1 and Embodiment 2, the working principle is as follows:

In the utility model, the solenoid valve in the discharge port 3 is opened, the raw material falls from the discharge port 3, and the impact drives the rotating paddle 6 to rotate, the rotating paddle 6 drives the support shaft 7 to rotate, and the support shaft 7 drives the cam 13 at one end to rotate When the cam 13 rotates, it drives the rotating plate 8 to move. When the cam 13 pushes up the rotating plate 8, the rotating plate 8 compresses the compression spring 12. When the cam 13 leaves the rotating plate 8, the elastic potential energy stored in the compression spring 12 is released, and the compression spring 12 Rebound, drive the rotating plate 8 to rotate, the rotating plate 8 drives the impact column 10 on the horizontal plate 9 to move, and the impact column 10 hits the lower hopper 2, causing the lower hopper 2 to vibrate, shaking off the remaining raw materials on the side wall, ensuring that The proportion of cement stabilized crushed stone material is correct and stable.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details and do not limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A metering tank for the preparation of cement-stabilized crushed stone material, comprising a tank body (1), a lower hopper (2) is arranged below the tank body (1), and a discharge port ( 3), characterized in that both sides of the discharge port (3) are provided with openings, and an arc-shaped protective cover (4) is fixedly connected to the outside of the opening; A transmission shaft (5) is rotatably connected inside the protective cover (4), one end of the transmission shaft (5) protrudes from the side wall of the protective cover (4), and the transmission shaft (5) is located inside the protective cover (4). A rotating paddle (6) is fixedly connected to part of the outer wall, and a cam (13) is fixedly installed at one end of the transmission shaft (5) located outside the protective cover (4). 2. The measuring tank for preparing cement-stabilized crushed stone material according to claim 1, wherein a support shaft (7) is fixedly installed on the side of the outer wall of the tank body (1) close to the cam (13), and the A rotating plate (8) is rotatably connected to the outer wall of the support shaft (7), a transverse plate (9) is fixedly connected to the top of the rotating plate (8), and an impact column (10) is fixedly installed on the outer wall of the transverse plate (9). 3. The measuring tank for the preparation of cement-stabilized crushed stone material according to claim 2, wherein a baffle plate (11) is fixedly installed on the outer wall of the tank body (1), and the baffle plate (11) is located on the rotating plate (8) A compression spring (12) is arranged between the baffle plate (11) and the rotating plate (8) on the obliquely upper part of the bottom. 4. The measuring tank for the preparation of cement-stabilized crushed stone material according to claim 1, wherein the two sets of rotating paddles (6) are symmetrically arranged on both sides of the discharge port (3), and the rotating paddles (6) The central axis is located just below the side wall of the discharge port (3), and a gap is provided between the two sets of the rotating paddles (6). 5. The measuring tank for preparing cement-stabilized crushed stone material according to claim 2, wherein the support shaft (7) is located above the cam (13), and the support shaft (7) and the cam (13) are located at the same In a plane, the cam (13) is in contact with the bottom of the rotating plate (8). 6. The measuring tank for preparing cement-stabilized crushed stone material according to claim 2, wherein the outer side of the lower hopper (2) is covered with an interlayer (14), and the interlayer (14) is close to the impact column The position of (10) is provided with an opening, and the impact column (10) is in contact with the outer wall of the lower hopper (2) through the opening. 7. The measuring tank for preparing cement-stabilized crushed stone material according to claim 1, is characterized in that, the top of the lower hopper (2) and the bottom of the tank (1) are connected by a bellows capable of filtering shocks, And the two sets of rotating plates (8) are symmetrically arranged on the left and right sides of the discharge port (3), and the two groups of impact columns (10) are also symmetrically arranged on the front and rear sides of the discharge port (3).

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