CN204773036U - Green concrete construction equipment - Google Patents

Abstract

The utility model provides a green concrete construction equipment, concrete pumping pipeline carry commercial concrete, mixes green concrete through rubble distributor with 5% ~ 25% rubble, carries pouring construction through spiral mixing conveyor and novel distributing machine once, does not influence commercial concrete pumping nature, and the rubble incorporation volume is controllable, and the mix is abundant, the simple operation. The broken stone distribution device is formed by connecting a discharge port of a commercial concrete pumping pipeline with a feed inlet of a compulsory stirrer, arranging an electric feeding controller at a discharge port of a broken stone storage bin, and communicating the discharge port of the broken stone storage bin with the upper part of the feed inlet of the compulsory stirrer. The novel material distributor consists of a material distributor and a secondary spiral stirring conveyor arranged on the material distributor, wherein a discharge port of the secondary spiral stirring conveyor is communicated with a material distribution pipeline of the material distributor; the discharge port of the primary spiral stirring conveyor is connected with the feed port of the secondary spiral stirring conveyor.

Description

A green concrete construction equipment

technical field

The utility model relates to concrete construction equipment, which is used for adding 5% to 25% crushed stones to commercial concrete in pouring work to form green concrete construction.

Background technique

The green concrete involved in the utility model refers to a new type of concrete prepared by adding crushed stones with a volume of 5% to 25% into commercial concrete and stirring evenly during the construction process of the construction project. In green concrete, part of the cementitious material is replaced by low-cost gravel, so it has the following outstanding advantages: (1) Save 5% to 25% of cement and reduce the construction cost. (2) Inhibit shrinkage and cracking of concrete caused by dehydration due to excessive water-cement ratio. (3) Good volume stability, reducing the shrinkage of concrete during the setting process. (4) Various mechanical properties of concrete have been improved and improved, and its compressive strength can be increased by 20% to 30%. (5) It increases the density of concrete and improves the durability of concrete structure. (6) It saves a lot of cement, saves coal energy, reduces carbon emissions, and is in line with the national environmental protection policy, so it is called green concrete.

Although green concrete has many advantages above, its application and popularization are affected due to the difficulty of construction. On the one hand, the gravel content of green concrete is too high, and the gravel will absorb water during the mixing process, resulting in low concrete fluidity and low slump, and ordinary concrete floor pumps cannot pump green concrete to a sufficient height. On the other hand, the amount of added crushed stone is not easy to control, and the mixed crushed stone and commercial concrete are prone to concrete quality problems due to uneven mixing, so its application and development are greatly restricted.

Contents of the invention

The purpose of the utility model is to realize the automatic pumping construction of the green concrete by using the green concrete construction equipment involved in the utility model. Green concrete is formed at the pouring site and poured continuously without affecting the superior pumping performance of ready-made concrete, giving full play to the advantages of green concrete.

The green concrete construction equipment of the utility model is composed of a commercial concrete pumping pipeline, a primary screw mixing conveyor, a crushed stone distribution device and a new type of material distribution device; the crushed stone distribution device is composed of a crushed stone storage bin, an electric feeding controller, a mandatory The composition of the mixer; the outlet of the commercial concrete pumping pipeline is connected to the inlet of the compulsory mixer, the outlet of the crushed stone storage bin is equipped with an electric feeding controller, and the outlet of the crushed stone storage bin is connected to the upper part of the inlet of the compulsory mixer Connected, the discharge port of the compulsory mixer is corresponding to the feed port of the primary screw agitating conveyor; the new distribution machine is composed of a distribution machine and a secondary screw agitating conveyor installed on the distribution machine, and the discharge port of the secondary screw agitating conveyor It is connected with the distributing pipeline of the distributing machine; the outlet of the primary screw agitating conveyor is connected with the inlet of the secondary screw agitating conveyor.

The green concrete construction equipment is characterized in that: the outlet of the pumped commercial concrete pumping pipeline is connected to the inlet of the compulsory mixer; the outlet of the crushed stone storage bin is equipped with an electric feeding controller, and the outlet of the crushed stone storage bin It is connected with the upper part of the feed port of the compulsory mixer; the feed port of the primary screw agitating conveyor is correspondingly arranged at the discharge port of the compulsory agitator, and the discharge port of the primary screw agitating conveyor is connected with the discharge port of the secondary screw agitating conveyor. The discharge port of the secondary screw agitating conveyor is connected with the distribution pipeline installed on the distribution machine. The distribution pipeline can be connected by a part of fixed distribution pipeline and a part of movable distribution pipeline, or can be connected by a movable distribution pipeline. Removable cloth pipes include steel pipes and rubber corrugated hoses. The feed port of the primary screw agitating conveyor is correspondingly arranged at the discharge port of the compulsory mixer. funnel. The feed port of the primary screw mixing conveyor is set correspondingly to the discharge port of the compulsory mixer through the set connecting funnel, and the connecting funnel is below to undertake the green concrete coming out of the discharge port of the compulsory mixer, which is more convenient for the on-site installation and installation of the primary screw mixing conveyor. It is connected and installed with the secondary screw mixing conveyor.

The commercial concrete pumping pipeline can be a part of the commercial concrete pumping pipeline, or it can be an independent partial pipeline arranged on the green concrete construction equipment of the present invention. One end of such a commercial concrete pumping pipeline is a discharge port and is connected to the The feed port of the compulsory mixer, the other end of the concrete pumping pipeline is the interface connected with the commercial concrete ground pumping pipeline. This is more conducive to the connection with the commercial concrete floor pump delivery pipeline, without having to put forward special requirements and modifications to the commercial concrete floor pump delivery pipeline.

The crushed stone storage bin is placed above the compulsory mixer, and the discharge port of the crushed stone storage bin is set on the upper part of the forced mixer feed port to communicate with it. The electric feeding controller arranged at the discharge port of the crushed stone storage bin is composed of a plug-in plate and a connected telescopic electromechanical drive control device.

The lower end of the commercial concrete pumping pipeline is connected with the commercial concrete floor pump delivery pipeline. Commercial concrete enters the green concrete construction equipment involved in the utility model through this pipeline. Applying the equipment of the utility model can realize the automatic construction of green concrete, and can realize the controllable mixing of gravel without changing the pumpability of the original commercial concrete. The green concrete is evenly mixed and has workability after being stirred by a compulsory mixer and by the primary and secondary screw conveyors.

The green concrete construction equipment involved in the utility model also has the following advantages:

1 Does not affect pumpability. The green concrete construction equipment involved in the utility model can automatically mix commercial concrete and crushed stones on the pouring work surface instead of mixing on the ground, so the pumpability of concrete mixed with crushed stones is not good. If there is any impact, the construction can be completed by using ordinary concrete ground pumps.

2 The amount of gravel mixed is convenient to control. By controlling the opening size of the electric feeding controller, the flow of crushed stone can be controlled, thereby controlling the amount of crushed stone mixed. The amount of gravel mixed in green concrete is generally 5% to 25%.

3 Mix well. The green concrete has gone through three mixing processes in the green concrete construction equipment involved in the utility model. Firstly, the crushed stone and commercial concrete are fully mixed in the compulsory mixer. After the mixing is uniform, the green concrete enters the primary screw mixing conveyor and the secondary screw mixing conveyor for mixing. Driven to rotate; the primary screw mixing conveyor and the secondary screw mixing conveyor can transport concrete on the one hand, and on the other hand, the concrete is constantly turned inside, forming the effect of mixing while transporting. Concrete will be fully and evenly mixed under the above-mentioned compulsory mixer mixing, primary screw mixing conveyor mixing, and secondary screw mixing conveyor mixing, which is conducive to the guarantee of green concrete construction quality.

4. Easy to clean. When the construction is about to stop, turn off the concrete ground pump and turn off the electric feeding controller at the same time, then the compulsory mixer will no longer have the supply of concrete and gravel, and the remaining green concrete will be driven by the thrust of the compulsory mixer and the screw conveyor. It enters the new distribution machine for final pouring, and the material body inside the whole device is automatically emptied without residue, which is convenient for cleaning.

The green concrete construction equipment involved in the utility model is a set of automatic equipment designed for green concrete pumping construction, which can transfer the green concrete from a laboratory to an actual project.

Description of drawings

Figure 1 is a schematic diagram of green concrete construction equipment installed on a high-rise building construction site; 1 is a commercial concrete tank truck, 2 is a concrete ground pump, 3 is a commercial concrete ground pump delivery pipeline, and A is green concrete construction equipment (see Figure 2).

Figure 2 is the green concrete construction equipment (also an enlarged view of node A in Figure 1); among them, 4 is the commercial concrete pumping pipeline, 5 is the electric feeding controller, 6 is the crushed stone storage bin, 7 is the compulsory mixer, 8 9 is the primary screw agitating conveyor, 10 is the secondary screw agitating conveyor, 11 is the support of the distribution machine, 12 is the cantilever of the distribution machine, 13 is the counterweight of the distribution machine, and 14 is the movable distribution pipe in the distribution machine. Steel pipeline, 15 is the rubber corrugated hose in the movable distribution pipeline in the cloth machine.

Detailed ways

The green concrete construction equipment involved in the utility model is shown in Fig. 2, and is made up of commercial concrete pumping pipeline 4, primary screw mixing conveyor 9, crushed stone distributing device, and new type distributing machine. Wherein the gravel distribution device is composed of a gravel storage bin 6, an electric feeding controller 5, a compulsory mixer 7, and a connecting funnel 8. Among them, the new distribution machine is composed of a distribution machine and a secondary screw agitating conveyor 10 arranged on the distribution machine. The distribution machine is composed of a distribution machine bracket 11, a distribution machine cantilever 12, a distribution machine counterweight 13, and a movable distribution pipeline of the distribution machine. Wherein the distributing machine movable distributing pipeline is made of steel pipeline 14 and rubber corrugated hose 15.

The discharge port 4 of the concrete pumping pipeline is connected with the feed port 7 of the compulsory mixer; The upper part is connected; a primary screw agitating conveyor 9 is correspondingly arranged at the discharge port of the compulsory mixer 7, and the discharge port of the primary screw agitating conveyor 9 is connected with the feed port of the secondary screw agitating conveyor 10. The secondary screw agitating conveyor 10 is arranged on the cantilever 12 of the distributing machine, and the outlet of the secondary screw agitating conveyor 10 is connected downward with the movable distributing pipeline by the upper end of the steel pipeline 14, forming a new type of distributing machine.

The commercial concrete is delivered to the compulsory mixer 7 through the commercial concrete pumping pipeline 4 by using the concrete ground pump 2, and the gravel in the crushed stone storage bin 6 also falls into the compulsory mixer 7 through the control of the electric feeding controller 5 . The two are fully mixed evenly in the compulsory mixer 7. The electric feeding controller 5 can control the mixing amount of gravel in the green concrete. The larger the opening of the electric feeding controller 5, the more the inflow of crushed stone, and the greater the content of crushed stone in the green concrete. The fully mixed green concrete flows into the connecting funnel 8 from the discharge port of the compulsory mixer 7, and then enters the primary screw mixing conveyor 9 through the connecting funnel 8. The spiral blades inside the screw mixer 9 rotate at a certain speed under the rotation torque of the motor, and the rotation of the blades of the screw mixer 9 will push the green concrete upwards, and at the same time, the green concrete will also have a certain turning and mixing effect. Cooperate to make it more homogeneous and intimate. Under the push of the primary screw mixing conveyor 9, the green concrete enters the feed port of the secondary screw mixing conveyor 10 from its discharge port and the interior for the second mixing and conveying, and then enters the movable distribution pipeline for distribution pouring . Utilize the rotation of the steel pipeline 14 in the movable distributing pipeline of the novel distributing machine and the expansion and contraction of the rubber corrugated hose 15 to carry out pouring construction work. When the construction was about to stop, the concrete floor pump 2 was closed, and the electric feeding controller 5 was closed simultaneously, so that commercial concrete and crushed stones would no longer be supplied to the compulsory mixer 7. Under the thrust of the compulsory mixer 7 and the push of the primary and secondary screw mixing conveyors 9 and 10, the remaining green concrete enters the movable distribution pipe of the new distribution machine and flows out automatically for the final green concrete distribution and pouring. The concrete body inside the device is automatically emptied without residue.

Claims (5)

1. A green concrete construction equipment, characterized in that: it is composed of a commercial concrete pumping pipeline (4), a primary screw mixing conveyor (9), a crushed stone distribution device and a new type of distributing machine; the crushed stone distribution device is composed of a crushed stone storage It is composed of silo (6), electric feeding controller (5), and compulsory mixer (7); the discharge port (4) of the commercial concrete pumping pipeline is connected with the feed port of the compulsory mixer, and the crushed stone storage bin (6) The discharge port is equipped with an electric feeding controller (5), the discharge port of the gravel storage bin (6) is connected to the upper part of the feed port of the compulsory mixer (7), and the discharge port of the compulsory mixer (7) is correspondingly provided with a primary spiral The feeding port of the mixing conveyor (9); the new distribution machine is composed of the distribution machine and the secondary screw mixing conveyor (10) arranged on the distribution machine, and the discharge port of the secondary screw mixing conveyor (10) is connected with the The distributing pipeline is connected; the outlet of the primary screw agitating conveyor (9) is connected with the inlet of the secondary screw agitating conveyor (10). 2. The green concrete construction equipment according to claim 1, characterized in that: the discharge port of the compulsory mixer (7) is set above the feed port of the primary screw agitating conveyor (9), and the primary screw agitating conveyor (9) The feeding port is provided with a connecting funnel (8). 3. The green concrete construction equipment according to claim 1, characterized in that: one end of the commercial concrete pumping pipe (4) is a discharge port and is connected to the feed port of the forced mixer (7), and the concrete pumping pipe (4) ) The other end is the interface connected with the commercial concrete ground pump delivery pipeline. 4. The green concrete construction equipment according to claim 1, characterized in that: the crushed stone storage bin (6) is placed above the compulsory mixer (7), and the discharge port of the crushed stone storage bin (6) is set at the compulsory The upper part of the feed inlet of the permanent mixer (7) is connected with it. 5. The green concrete construction equipment as claimed in claim 4, characterized in that: the electric feeding controller (5) is composed of a plug-in plate and a connected telescopic electromechanical drive control device.