CN206737431U - A kind of concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete - Google Patents

Abstract

The utility model discloses a kind of concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete, including being covered on steel pipe, steel pipe main body, automatic check valve and delivery pump, the lower end of the steel pipe main body is connected by welding with steel pipe feeding mouth, and steel pipe feeding mouth is connected with Manual check valve, the automatic check valve is arranged on the right side of Manual check valve by conveyance conduit, and the right side of automatic check valve is provided with quick union by conveyance conduit, the delivery pump is arranged on the right side of quick union by conveyance conduit, and the lower section of delivery pump is connected by fixing bolt with conveying pump holder.Concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete, which is provided with steel pipe, to be covered, play a part of sealing the upper end of steel pipe main body, quick union is set, play and facilitate connection between conveyance conduit, save the effect of working time, pressure sensor is set, the size of steel pipe body interior pressure value can be detected.

Description

Concrete conveying device for steel pipe concrete jacking method construction

technical field

The utility model relates to the technical field of concrete conveying devices, in particular to a concrete conveying device for steel pipe concrete jacking method construction.

Background technique

The construction technology of steel pipe column concrete jacking method is to use the pumping pressure of the concrete delivery pump to pour self-compacting concrete from the bottom of the steel pipe column until the whole steel pipe column is filled with a concrete vibration-free construction method. It saves the construction period and does not affect the installation progress of the steel structure system, but it is easy to cause two quality defects when pouring concrete. One is that the concrete pouring in the steel pipe column is not full, and the compactness required by the design and specifications is not met, and the other is The second is that the pump was not stopped in time after the concrete in the steel pipe column was poured, which caused the weld at the end of the steel pipe column to burst, posing a great safety hazard.

Utility model content

The purpose of this utility model is to provide a concrete delivery device for steel pipe concrete jacking method construction, to solve the quality problem that the existing steel pipe column concrete jacking method proposed in the above background technology is easy to produce insufficient pouring quality problems and to prevent excessive pouring. The pouring causes the steel pipe column weld crack to cause safety hazards.

In order to achieve the above purpose, the utility model provides the following technical solutions: a concrete delivery device for steel pipe concrete jacking construction, including a steel pipe upper cover, a steel pipe main body, an automatic check valve and a delivery pump, and the top end of the steel pipe upper cover The outer surface is connected with the signal transmitter through fixing bolts, and the lower end of the upper cover of the steel pipe is connected with the upper fixed steel plate through welding, and the inner wall of the upper cover of the steel pipe is connected with the pressure sensor through inlaying, and the upper fixed steel plate A sealing rubber ring is provided below, the upper end of the steel pipe body is connected to the lower fixed steel plate by welding, and the lower fixed steel plate is connected to the upper fixed steel plate by fixing bolts, and the lower end of the steel pipe body is connected to the steel pipe inlet by welding. connected, and the steel pipe feed port is connected with the manual check valve, the automatic check valve is set on the right side of the manual check valve through the delivery pipeline, and the right side of the automatic check valve is provided with a quick-connect joint through the delivery pipeline , the delivery pump is installed on the right side of the quick-connect joint through the delivery pipeline, and the lower part of the delivery pump is connected with the delivery pump support through fixing bolts, and the outer surface of the delivery pump is connected with the signal receiving alarm through fixing bolts .

Preferably, the inside of the upper cover of the steel pipe is a hollow structure, and the inside of the upper cover of the steel pipe is evenly distributed with pressure sensors.

Preferably, the quick-connect joint is waterproof and sealed, and the diameter of the inner hole of the quick-connect joint is smaller than the diameter of the mouth of the delivery pipeline.

Preferably, there are four fixing bolts in total, and the fixing bolts have a rectangular structure.

Preferably, the shape of the sealing rubber ring is a ring structure, and the sealing rubber ring is installed parallel to the upper fixing steel plate.

Compared with the prior art, the beneficial effect of the utility model is that: the concrete conveying device of the steel pipe concrete jacking method is provided with a steel pipe upper cover, which plays the role of sealing the upper end of the steel pipe main body, and a manual check valve is provided, When the automatic check valve cannot be closed automatically, the delivery pipeline can be closed manually to prevent the concrete from flowing backwards. An automatic check valve can be installed to automatically close the delivery pipeline when the concrete inside the steel pipe body is full. The quick-connect joint is set to facilitate the connection between the pipelines and save working time. The upper fixed steel plate is set to connect the upper fixed steel plate and the lower fixed steel plate through fixed bolts, so that the upper cover of the steel pipe is connected with the main body of the steel pipe The role of the signal transmitter is set up to send the pressure of the concrete inside the main body of the steel pipe to the signal receiving alarm. The signal receiving alarm can judge according to the pressure value of the received concrete, whether to alarm to close the automatic check valve and convey The pump is equipped with a pressure sensor to detect the internal pressure value of the steel pipe body to prevent the danger of excessive pressure in the steel pipe body. A sealing rubber ring is provided to seal the connection between the upper cover of the steel pipe and the steel pipe body.

Description of drawings

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

Fig. 2 is a schematic view of the structure of the utility model;

Fig. 3 is the schematic diagram of enlarged structure of point A of the utility model.

In the figure: 1. The upper cover of the steel pipe, 2. The main body of the steel pipe, 3. The manual check valve, 4. The automatic check valve, 5. The quick connector, 6. The delivery pipeline, 7. The delivery pump, 8. The delivery pump support Seat, 9, signal transmitter, 10, fixed bolt, 11, upper fixed steel plate, 12, signal receiving alarm, 13, pressure sensor, 14, steel pipe feeding port, 15, lower fixed steel plate, 16, sealing rubber ring.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a concrete conveying device for steel pipe concrete jacking construction, including a steel pipe upper cover 1, a steel pipe main body 2, an automatic check valve 4 and a delivery pump 7, a steel pipe The top surface of the upper cover 1 is connected with the signal transmitter 9 through the fixing bolt 10, and the lower end of the upper cover 1 of the steel pipe is connected with the upper fixed steel plate 11 by welding, and the inside of the upper cover 1 of the steel tube is a hollow structure, and the steel tube The inside of the upper cover 1 is evenly distributed with pressure sensors 13. The upper cover 1 of the steel pipe is set to seal the upper end of the steel pipe main body 2. The pressure sensor 13 is set to detect the internal pressure value of the steel pipe main body 2 to prevent the steel pipe from The pressure in the main body 2 is too high to cause danger. The inner pipe wall of the upper cover 1 of the steel pipe is connected with the pressure sensor 13 through inlaying, and a sealing rubber ring 16 is arranged under the upper fixed steel plate 11, and the sealing rubber ring 16 is in the shape of a ring structure, and the sealing rubber ring 16 is installed in parallel with the upper fixed steel plate 11, the sealing rubber ring 16 is set to play the role of sealing connection between the upper cover 1 of the steel pipe and the steel pipe main body 2, and the upper end of the steel pipe main body 2 is welded to the lower fixed steel plate 15 The lower fixed steel plate 15 is connected with the upper fixed steel plate 11 through the fixed bolt 10, the lower end of the steel pipe body 2 is connected with the steel pipe inlet 14 by welding, and the steel pipe inlet 14 is connected with the manual check valve 3 , the automatic check valve 4 is arranged on the right side of the manual check valve 3 through the delivery pipeline 6, and the right side of the automatic check valve 4 is provided with a quick-connect joint 5 through the delivery pipeline 6, and the quick-connect joint 5 is a waterproof and sealed connection, And the diameter of the inner hole of the quick-connect joint 5 is smaller than the nozzle diameter of the delivery pipeline 6, and the quick-connect joint 5 is set to facilitate the connection between the delivery pipeline 6 and save working time. Connect the right side of the joint 5, and the bottom of the delivery pump 7 is connected with the delivery pump support 8 through the fixing bolt, the outer surface of the delivery pump 7 is connected with the signal receiving alarm 12 through the fixing bolt 10, and the fixing bolt 10 is provided with a total of There are four, and the fixing bolts 10 have a rectangular structure, and the setting of the fixing bolts 10 plays the role of fastening the upper cover 1 of the steel pipe and the main body 2 of the steel pipe.

Working principle: When using the steel pipe concrete jacking method to construct the concrete conveying device, first check whether the structures of the steel pipe main body 2 are intact. The check valve 4 and the manual check valve 3 are sent to the steel pipe feed port 14, and then the concrete enters the inside of the steel pipe main body 2. When the concrete reaches the upper cover 1 of the steel pipe, the pressure sensor 13 inside the upper cover 1 of the steel pipe is activated. Can detect the pressure of concrete, and send to the signal receiving alarm 12 in real time, the signal receiving alarm 12 can judge according to the pressure value of the concrete received, whether it is necessary to alarm and close the automatic check valve 4 and the delivery pump 7, if the automatic check valve 4 The return valve 4 cannot be closed by itself, and the manual check valve 3 can be closed manually to prevent the backflow of concrete. The above is the use process of the concrete conveying device constructed by the concrete-filled steel pipe jacking method.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (5)

1. covered on a kind of construction of concrete filled steel tube jack-block appts. for transferring ready-mixed concrete, including steel pipe（1）, steel pipe main body（2）, from Dynamic check-valves（4）And delivery pump（7）, it is characterised in that：Covered on the steel pipe（1）Top appearance pass through fixing bolt（10） With signal projector（9）It is connected, and is covered on steel pipe（1）Lower end pass through welding with upper fixation steel plate（11）It is connected, institute State and covered on steel pipe（1）Inner pipe wall in by inlaying and pressure sensor（13）It is connected, and upper fixation steel plate（11）Under Side is provided with sealing rubber ring（16）, the steel pipe main body（2）Upper end pass through welding with lower fixation steel plate（15）It is connected, and Lower fixation steel plate（15）Pass through fixing bolt（10）With upper fixation steel plate（11）It is connected, the steel pipe main body（2）Lower end lead to Cross welding and steel pipe feeding mouth（14）It is connected, and steel pipe feeding mouth（14）With Manual check valve（3）It is connected, the auto-stopping Return valve（4）Pass through conveyance conduit（6）It is arranged on Manual check valve（3）Right side, and automatic check valve（4）Right side pass through conveying Pipeline（6）It is provided with quick union（5）, the delivery pump（7）Pass through conveyance conduit（6）Installed in quick union（5）Right side, And delivery pump（7）Lower section pass through fixing bolt with conveying pump holder（8）It is connected, the delivery pump（7）Outer surface pass through Fixing bolt（10）Alarm is received with signal（12）It is connected.

A kind of 2. concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete according to claim 1, it is characterised in that：Institute State and covered on steel pipe（1）Inside be hollow structure, and covered on steel pipe（1）Inner homogeneous pressure sensor is distributed with （13）.

A kind of 3. concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete according to claim 1, it is characterised in that：Institute State quick union（5）Connected for waterproof sealing, and quick union（5）Diameter of bore be less than conveyance conduit（6）Nozzle diameter.

A kind of 4. concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete according to claim 1, it is characterised in that：Institute State fixing bolt（10）Four, and fixing bolt are provided with altogether（10）It is in rectangular configuration.

A kind of 5. concrete filled steel tube jack-block construction appts. for transferring ready-mixed concrete according to claim 1, it is characterised in that：Institute State sealing rubber ring（16）It is shaped as circular ring structure, and sealing rubber ring（16）With upper fixation steel plate（11）For parallel installation.