CN206769910U - A kind of shield weighing apparatus shield mud unified collocation equipment - Google Patents

Abstract

The utility model discloses a balance-shield-mud integrated configuration equipment for shield tunneling, which comprises a fluid plastic mixing tank, a screw pump, a frequency conversion control cabinet, a motor, a centrifugal pump and a plasticizer slurry storage tank; the motor transmission is connected to the The stirring shaft of the fluid plastic mixing tank, the fluid plastic mixing tank is connected to the inlet of the screw pump, and the outlet of the screw pump is connected to the fluid plastic output pipe; the plasticizer storage tank is connected to The inlet of the centrifugal pump and the outlet of the centrifugal pump are connected to the plasticizer output pipe; both the screw pump and the centrifugal pump are connected to the frequency conversion control cabinet; There is a check valve and a spiral blade, the plasticizer output pipe is communicated with the fluid plastic body output pipe and its output port is located between the check valve and the spiral blade. The utility model realizes the integration and continuity of stirring, mixing, transportation and pumping of the balance shield mud material, and has higher efficiency.

Description

An integrated configuration equipment of balance and shield mud for shield tunneling

technical field

The utility model belongs to the technical field of shield tunnel engineering, and in particular relates to equipment for the integrated preparation of agitating, mixing and pumping the balance shield mud material.

Background technique

The shield method is the most mainstream construction method in urban tunnel construction. It will encounter various difficulties under different geological conditions across the country, ranging from gushing, excessive ground subsidence, to subsidence or shield machine jamming, and even personnel Casualties and massive property losses. Hengdun mud is a new type of clay material, and it is widely used in shield tunneling construction such as opening under pressure, mud film wall protection, cave reinforcement, water sealing, ground settlement control, muck improvement, and prevention of stagnation. Use, have obtained good use effect and effect.

Hengdun mud material is first mixed and stirred with A powder (dry clay modified material) and water according to the ratio to form a viscous fluid plastic body (A liquid), and then A liquid and B liquid (plasticizer) Mix again according to the ratio, and finally form the balance shield mud material.

At present, the mixing, mixing and pumping of the shield mud materials mainly use the existing equipment at each shield construction site. The shield mud materials can only be stirred in a small amount from the ground, transported horizontally to the shield machine, and then synchronously grouted. Tank location storage, mixer pumping, construction efficiency is extremely low, which is not conducive to construction organization.

Utility model content

Aiming at the deficiencies of the existing technology, the utility model aims to provide an integrated configuration equipment for shield mud for shield tunneling, which can realize the integration and continuous operation of stirring, mixing, transportation and pumping of the shield mud material, and has higher efficiency. .

In order to achieve the above object, the utility model adopts the following technical solutions:

An integrated configuration equipment for shield mud for shield tunneling, including a fluid plastic body mixing tank, a screw pump, a frequency conversion control cabinet, a motor, a centrifugal pump, and a plasticizer slurry storage tank; the motor is connected to the fluid plastic body by transmission The stirring shaft of the mixing tank, the fluid plastic mixing tank is connected to the inlet of the screw pump, and the outlet of the screw pump is connected to the fluid plastic output pipe; the plasticizer storage tank is connected to the centrifugal pump The outlet of the centrifugal pump is connected to the plasticizer output pipe; both the screw pump and the centrifugal pump are connected to the frequency conversion control cabinet; the flow plastic body output pipe is sequentially provided with a check valve and a The spiral blade, the plasticizer output pipe communicates with the fluid plastic body output pipe and its output port is located between the check valve and the spiral blade.

Further, the integrated configuration equipment for balance and shield mud for shield tunneling also includes a dry clay modified material storage box.

Further, the integrated weighing-shield-mud configuration equipment for shield tunneling also includes a movable carrier for carrying all components of the integrated weighing-shield-mud configuration equipment for shield tunneling.

Further, the integrated configuration equipment for balance and shield mud for shield tunneling also includes a material specific gravity detection device set in the fluid plastic mixing tank.

The beneficial effect of the utility model is that: the integration and continuity of stirring, mixing, transportation and pumping of the balance shield mud material are realized, and the efficiency is higher.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure of the fluid plastic output pipe and the plasticizer output pipe of the present invention.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings. It should be noted that the present embodiment is based on the technical solution and provides detailed implementation and specific operation process, but the protection scope of the utility model does not limited to this example.

As shown in Figure 1-2, an integrated configuration equipment for shield mud for shield tunneling, including fluid plastic mixing tank 1, screw pump 2, frequency conversion control cabinet 3, motor 4, centrifugal pump 5 and plasticizer slurry storage Tank 6; the motor 4 is connected to the stirring shaft 11 of the fluid plastic mixing tank 1, the bottom of the fluid plastic mixing tank 1 is connected to the inlet of the screw pump 2, and the outlet of the screw pump 2 It is communicated with the plasticizer output pipe 8; the plasticizer slurry storage tank 6 is communicated with the inlet of the centrifugal pump 5, and the outlet of the centrifugal pump 5 is communicated with the plasticizer outlet pipe 9; the screw pump 2 and The centrifugal pumps 5 are all connected to the frequency conversion control cabinet 3; the flow plastic body output pipe 8 is provided with a check valve 12 and a spiral blade 13 in sequence along the direction of liquid flow, and the plasticizer output pipe 9 communicates with the The fluid plastic body output pipe 8 and its output port are located between the check valve 12 and the spiral blade 13 .

The working principle of the utility model is as follows: first pour the dry clay modified material required for preparing the balance shield mud into the fluid plastic mixing tank, and add water into the fluid plastic mixing tank according to the set ratio. Connect the output shaft of the motor to the stirring shaft of the fluid plastic mixing tank (the mixing tank is generally composed of a tank body, a stirring rod, a stirring shaft, and a stirring shaft. The stirring shaft needs to be driven by the motor to drive the stirring rod to rotate to achieve stirring) . Start the motor to start stirring to obtain the fluid plastic body. After stirring for a certain period of time, start the screw pump and the centrifugal pump. The plasticizer is pumped to the fluid plastic output pipe and the plasticizer output pipe respectively. The plasticizer output pipe outputs the plasticizer to the fluid plastic output pipe to mix with the fluid plastic. Under the action of the check valve, it will not Backflow occurs, and the fluid plastic body and plasticizer can be fully mixed when passing through the spiral blade. The speed of the screw pump and the centrifugal pump is controlled by the frequency conversion control cabinet, so as to adjust the flow rate of the fluid plastic body and the plasticizer, and realize the mixing of the fluid plastic body and the plasticizer according to the ratio to form a balance shield mud.

Through the above-mentioned equipment, the integration and continuous operation of stirring, mixing, transportation and pumping of the Hengdun mud material are realized, which greatly improves the preparation efficiency of the Hengdun mud, thereby effectively improving the construction efficiency.

Further, the device also includes a dry clay modified material storage tank 10 .

Further, the equipment also includes a movable carrier 14, which is used to carry all the components of the integrated configuration equipment for the balance shield mud for shield tunneling. By setting up a movable carrier, modifying the fluid plastic mixing tank, screw pump, frequency conversion control cabinet, motor, centrifugal pump, plasticizer slurry storage tank, plasticizer output pipe, fluid plastic output pipe, and dry clay Material storage boxes and the like are arranged on the movable carrier, so that the equipment can be moved arbitrarily on the construction site, which is more flexible. The movable carrier can be a flatbed.

Further, the device also includes a material specific gravity detector 15 set in the fluid plastic mixing tank. The material specific gravity detector is used to check the uniformity of stirring of the balance shield mud material.

For those skilled in the art, various corresponding changes and modifications can be made according to the above technical solutions and ideas, and all these changes and modifications should be included in the protection scope of the claims of the present utility model.

Claims (4)

1. A kind of balance shield mud integrated configuration equipment for shield tunneling, it is characterized in that, comprises flow plastic body mixing tank, screw pump, frequency conversion control cabinet, motor, centrifugal pump and plasticizer slurry storage tank; Described motor transmission connection On the stirring shaft of the fluid plastic mixing tank, the fluid plastic mixing tank is connected to the inlet of the screw pump, and the outlet of the screw pump is connected to the fluid plastic output pipe; the plasticizer slurry storage tank The inlet of the centrifugal pump is connected, and the outlet of the centrifugal pump is connected to the plasticizer output pipe; both the screw pump and the centrifugal pump are connected to the frequency conversion control cabinet; A check valve and a spiral blade are provided, the plasticizer output pipe communicates with the fluid plastic body output pipe and its output port is located between the check valve and the spiral blade. 2 . The integrated configuration equipment for balance and shield mud for shield tunneling according to claim 1 , further comprising a storage box for dry clay modified materials. 3 . 3. The scale-shield-mud integrated configuration equipment for shield tunneling according to claim 1 or 2, characterized in that it also includes a movable carrier for carrying all the components of the shield-tunnel scale-shield-mud integrated configuration equipment . 4 . The integrated configuration equipment for weighing and shielding mud for shield tunneling according to claim 1 , further comprising a material specific gravity detection device set in the fluid plastic mixing tank. 5 .