A concrete vertical conveying pump pipe tail material recovery and reuse device and construction method

Abstract

The invention relates to the technical field of a device for recycling and reusing tail materials of a vertical concrete delivery pump pipe and a construction method, comprising an auxiliary connecting pipe (tee pipe) and a concrete diversion chamber, a spiral shaft pipe, a spiral shaft speed control device, an auxiliary discharging device (also a device for preventing the initial setting of concrete), a concrete output port, etc. The spiral shaft pipe has an inlet at one end, a spiral shaft hole at the other end, a discharging port in the middle of the spiral shaft pipe, a discharging cover plate installed on the discharging port, a spiral shaft bearing chamber arranged in the middle of the spiral shaft pipe, a spiral shaft rotatably installed in the spiral shaft bearing chamber and the spiral shaft hole, a front rotating installation section, a rotating blade section, a middle rotating installation section, and a stop straight shaft section arranged on the spiral shaft in sequence, the rotating blade section is located in the spiral shaft pipe, the stop straight shaft section is exposed from the spiral shaft pipe, an auxiliary box is installed on the outer periphery of the stop straight shaft section, and a stop disk and a first gear are installed on the outer periphery of the stop straight shaft section. The invention has a simple structure, effectively collects concrete in the vertical pipe, and can be reused. It does not waste a lot of water resources and flushes the pump pipe. The construction site environment is clean and tidy. The social benefits are high.

Description

Technical Field

[0001] The invention belongs to the technical field of construction, and relates to a device for recycling and reusing tailings of a concrete vertical conveying pump pipe and a construction method. Background Art

[0002] At present, there is no particularly effective recycling device in China and abroad. After the concrete pouring is completed, the concrete tailings in the pump pipe are finally pressed in by the pump truck with water, sprayed out at the discharge port, and then fall back to the ground from a high place. First, the concrete that falls back to the ground can no longer be well used, and it is no longer the original gradation; second, a large amount of water is used to press in, so that the concrete tailings are sprayed out and used to wash the pump pipe, which wastes water resources; third, it pollutes the construction environment. Therefore, it is necessary to design an environmentally friendly and safe concrete vertical conveying pump pipe tailing recycling device and construction method. Summary of the invention

[0003] The purpose of the present invention is to provide a concrete vertical conveying pump pipe tail material recovery and reuse device and construction method, which can solve the problems that concrete and a large amount of water fall from high altitude at the same time, cannot be effectively cleaned, water resources cannot be reused, and the construction site environment cannot be effectively controlled. The device can also recover concrete and reuse water resources.

[0004] According to the technical solution provided by the present invention: a device for recycling tail materials of a concrete vertical conveying pump pipe comprises a spiral shaft tube, wherein one end of the spiral shaft tube is provided with a feeding port, the other end of the spiral shaft tube is provided with a spiral shaft hole, the middle part of the spiral shaft tube is provided with a discharging port, a discharging cover plate is installed on the discharging port, a spiral shaft bearing chamber is arranged in the middle of the spiral shaft tube, a spiral shaft is rotatably installed in the spiral shaft bearing chamber and the spiral shaft hole, a front rotating installation section, a rotating blade, a middle rotating installation section, and a stopping straight shaft section are arranged on the spiral shaft in sequence, the rotating blade is located in the spiral shaft tube, the stopping straight shaft section is exposed from the spiral shaft tube, an auxiliary box is installed on the periphery of the stopping straight shaft section, a stopping disk and a first gear are installed on the periphery of the stopping straight shaft section, a stopper is installed on the outer side of the stopping disk, an auxiliary discharging shaft is rotatably arranged in the auxiliary box, a second gear is installed in the middle part of the auxiliary discharging shaft, the tail end of the auxiliary discharging shaft is exposed from the auxiliary box, and an auxiliary discharging handle is installed on the tail end of the auxiliary discharging shaft.

[0005] As a further improvement of the present invention, the spiral shaft bearing chamber and the spiral shaft hole are both used to rotatably mount the spiral shaft via bearings.

[0006] As a further improvement of the present invention, the front rotating installation section is located in the spiral shaft bearing chamber, and the middle rotating installation section is installed in the spiral shaft hole.

[0007] As a further improvement of the present invention, the auxiliary discharging shaft is parallel to the stopping straight shaft section.

[0008] As a further improvement of the present invention, the auxiliary discharging shaft is sequentially provided with an auxiliary shaft front rotating mounting section, an auxiliary shaft gear mounting section, an auxiliary shaft middle rotating mounting section, and an auxiliary shaft handle mounting section. The auxiliary shaft front rotating mounting section and the auxiliary shaft middle rotating mounting section are rotatably located in the auxiliary box, the second gear is installed on the outer periphery of the auxiliary shaft gear mounting section, the second gear is meshed with the first gear, the auxiliary shaft handle mounting section is exposed from the auxiliary box, and the auxiliary discharging handle is installed.

[0009] As a further improvement of the present invention, the stopper includes a stopper mounting bracket, one end of the stopper mounting bracket is connected to the auxiliary box, and the other end is installed with a bracket rod, and the bracket rod is slidably installed in the stopper body. A hydraulic cavity is opened in the stopper body, and the hydraulic cavity is connected to the hydraulic oil pipe. A hydraulic cylinder piston is slidably installed in the hydraulic cavity, one side of the hydraulic cylinder piston is connected to an inner friction plate, an outer friction plate is arranged on the side of the inner friction plate, and an anti-lock reset spring is arranged between the inner friction plate and the outer friction plate.

[0010] A construction method for a concrete vertical conveying pump pipe tail material recovery and reuse device comprises the following steps:

[0011] a. Connect the feed port to the first end of the tee pipe, the second end of the tee pipe to the lower end of the riser, the third end of the tee pipe to the output end of the concrete pump truck, and the discharge port to the concrete collection truck;

[0012] b. After the concrete pouring is completed, the discharge cover is opened, and the remaining concrete in the riser falls into the inlet, pushing the screw shaft to rotate and starting the stopper. The stopper controls the rotation speed of the screw shaft by contacting with the stopper disc, and the concrete flows into the concrete collection vehicle through the discharge port, completing the collection and reuse of the concrete;

[0013] c. After all the concrete in the riser has entered the spiral shaft pipe, the concrete pump truck is separated from the tee pipe, and the auxiliary discharge handle is turned. The auxiliary discharge handle drives the spiral shaft to rotate through the gear transmission structure, and the last small amount of concrete is transported to the concrete collection truck;

[0014] d. Separate the first end of the tee pipe from the feed inlet, connect the first end of the tee pipe to the sewage pool pipe, and connect the other end of the sewage pool pipe to the sewage pool;

[0015] e. Put a pipe-cleaning ball into the upper end of the vertical pipe, and use the maintenance water source on the floor to fill the vertical pipe with water, so that the pipe-cleaning ball slides down the vertical pipe to clean the pump pipe. The pipe-cleaning water flows into the sewage pool and is reused after sedimentation treatment;

[0016] f. Clean the device and the process ends.

[0017] As a further improvement of the present invention, the pipe cleaning ball includes a ball bladder, and the outside of the ball bladder is wrapped with cleaning fluff.

[0018] As a further improvement of the invention, the ball bladder is a rubber ball, and the outer periphery of the rubber ball is wrapped with felt.

[0019] As a further improvement of the present invention, the size of the pipe cleaning ball is 1 mm larger than the inner diameter of the riser.

[0020] The invention has a simple structure and occupies a small space. It is suitable for recycling tailings of concrete vertical conveying pump pipes, especially for high-rise and super-high-rise buildings. It can effectively recycle tailings concrete without using a large amount of water and causing no pollution to engineering construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the present invention.

[0023] Figure 3 It is a schematic diagram of the structure of the present invention when it is working. DETAILED DESCRIPTION

[0024] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1-3 It includes a spiral shaft tube 1, an inlet 1-1, a discharge port 1-2, a spiral shaft bearing chamber 2, a guide surface 2-1, a spiral shaft 3, a rotating blade 3-1, a stop straight shaft section 3-2, a stop plate 3-3, a first gear 3-4, an auxiliary box 4, an auxiliary discharge shaft 5, a second gear 5-1, an auxiliary discharge handle 6, a stopper 7, a stopper mounting bracket 7-1, a bracket rod 7-2, a stopper body 7-3, a hydraulic oil pipe 7-4, a hydraulic cylinder piston 7-5, an inner friction plate 7-6, an outer friction plate 7-7, a tee pipe 8, a riser 9, a concrete pump truck 10, a concrete collection truck 11, a sewage pool pipeline 12, a sewage pool 13, a steel ball 14, etc.

[0026] like Figure 1As shown, the present invention is a device for recycling tailings of a concrete vertical conveying pump pipe, comprising a spiral shaft tube 1, a material inlet 1-1 is provided at one end of the spiral shaft tube 1, a spiral shaft hole is provided at the other end of the spiral shaft tube 1, a material outlet 1-2 is provided in the middle of the spiral shaft tube 1, a material outlet cover plate is installed on the material outlet 1-2, a spiral shaft bearing chamber 2 is arranged in the middle of the spiral shaft tube 1, a spiral shaft 3 is rotatably installed in the spiral shaft bearing chamber 2 and the spiral shaft hole through bearings, and the spiral shaft 3 is provided with a front rotating installation section, a rotating blade 3-1, a middle rotating installation section, and a stop straight shaft section 3-2 in sequence. The front rotating installation section is located in the spiral shaft bearing chamber 2, the middle rotating installation section is installed in the spiral shaft hole, the rotating blade 3-1 section is located in the spiral shaft tube 1, and the stop straight shaft section 3-2 is exposed from the spiral shaft tube 1.

[0027] The auxiliary box 4 is installed on the outer periphery of the stop straight shaft section 3-2, and the stop disk 3-3 and the first gear 3-4 are installed on the outer periphery of the stop straight shaft section 3-2. The stopper 7 is installed on the outer side of the stop disk 3-3. The auxiliary discharge shaft 5 is rotatably arranged in the auxiliary box 4 through the bearing. The auxiliary discharge shaft 5 is parallel to the stop straight shaft section 3-2. The auxiliary discharge shaft 5 is sequentially provided with the auxiliary shaft front rotation installation section, the auxiliary shaft gear installation section, the auxiliary shaft middle rotation installation section, and the auxiliary shaft handle installation section. The auxiliary shaft front rotation installation section and the auxiliary shaft middle rotation installation section are rotatably located in the auxiliary box 4. The second gear 5-1 is installed on the outer periphery of the auxiliary shaft gear installation section, and the second gear 5-1 is meshed with the first gear 3-4. The auxiliary shaft handle installation section is exposed from the auxiliary box 4, and the auxiliary discharge handle 6 is installed.

[0028] There are many structures of the stopper 7, which can be manual or electric. In this embodiment, the stopper 7 is hydraulic, and the patent document with application number: 201910521013.6 discloses a floating stopper for a hub motor, which can be installed in the auxiliary box 4 so that the stopper disc 3-3 is located between the inner friction block and the outer friction block.

[0029] In this embodiment, if Figure 2 As shown, the stopper 7 includes a stopper mounting bracket 7-1, one end of the stopper mounting bracket 7-1 is connected to the auxiliary box 4, and the other end is installed with a bracket rod 7-2, the bracket rod 7-2 is slidably installed in the stopper body 7-3, a hydraulic cavity is opened in the stopper body 7-3, the hydraulic cavity is connected to the hydraulic oil pipe 7-4, a hydraulic cylinder piston 7-5 is slidably installed in the hydraulic cavity, one side of the hydraulic cylinder piston 7-5 is connected to the inner friction plate 7-6, an outer friction plate 7-7 is arranged on the side of the inner friction plate 7-6, the inner friction plate 7-6 and the outer friction plate 7-7 are respectively located on both sides of the stop disk 3-3, and an anti-lock reset spring is arranged between the inner friction plate 7-6 and the outer friction plate 7-7.

[0030] The working conditions of the stopper 7 are as follows:

[0031] When braking is required, hydraulic oil is pressed into the hydraulic chamber, and the oil pressure pushes the hydraulic cylinder piston 7-5 to squeeze the inner friction plate 7-6 to move toward the stop plate 3-3. When the inner friction plate 7-6 is squeezed onto the stop plate 3-3, the hydraulic cylinder piston 7-5 encounters the resistance of the stop plate 3-3 and stops moving. At this time, the stopper body 7-3 produces axial relative movement, and the stopper body 7-3 slides axially along the bracket rod 7-2 to drive the outer friction plate 7-7 arranged on the stopper body 7-3 to move toward the stop plate 3-3, so that the inner friction plate 7-6 and the outer friction plate 7-7 clamp the stop plate 3-3 to generate a braking torque. The inner friction plate 7-6 and the outer friction plate 7-7 squeeze the anti-lock reset spring during the sliding process, so that the anti-lock reset spring accumulates a certain elastic potential energy. After the hydraulic pressure is removed, the anti-lock reset spring can ensure that the inner friction plate 7-6 and the outer friction plate 7-7 quickly return to the initial position, so that the braking and braking removal responses are fast.

[0032] The side of the screw shaft bearing chamber 2 facing the feed inlet 1 - 1 is a conical guide surface 2 - 1 which can guide the concrete and reduce the pressure on the screw shaft bearing chamber 2 .

[0033] A steel ball 14 is installed between the end of the stop straight shaft section 3 - 2 and the auxiliary box 4 to increase the radial bearing capacity of the screw shaft 3 and reduce the friction between the screw shaft 3 and the auxiliary box 4 .

[0034] like Figure 3 As shown in the figure, the construction method of the concrete vertical conveying pump pipe tail material recovery and reuse device is as follows:

[0035] 1. Connect the feed port 1-1 to the first end of the tee pipe 8, the second end of the tee pipe 8 to the lower end of the riser 9, the third end of the tee pipe 8 to the output end of the concrete pump truck 10, and the discharge port 1-2 to the concrete collection truck 11.

[0036] 2. After the concrete pouring is completed, the pump truck does not pressurize the pump pipe (but the pump truck and the pump pipe cannot be separated immediately to maintain the pressure). The discharge cover plate is opened, and the remaining concrete in the vertical pipe 9 falls into the inlet 1-1. After the concrete enters the spiral shaft tube 1, it enters the spiral shaft 3 and drives the spiral shaft 3 to rotate. The stopper 7 is started. The stopper 7 controls the rotation speed of the spiral shaft 3 by contacting the stop plate 3-3. The concrete flows into the concrete collection vehicle 11 through the discharge port 1-2, and the concrete is collected and reused.

[0037] 3. After all the concrete in the vertical pipe enters the spiral shaft pipe 1, the concrete pump truck 10 is separated from the tee pipe 8, and the auxiliary discharge handle 6 is turned. The auxiliary discharge handle 6 drives the spiral shaft 3 to rotate through the gear transmission structure, and the last small amount of concrete is transported to the concrete collection truck 11 to prevent the concrete from solidifying;

[0038] 4. The first end of the tee pipe 8 is separated from the feed port 1 - 1, and the first end of the tee pipe 8 is connected to the sewage pool pipe 12, and the sewage pool pipe 12 is connected to the sewage pool 13;

[0039] 5. Put a pipe-washing ball into the upper end of the vertical pipe 9, use the maintenance water source on the floor to fill the vertical pipe 9 with water, so that the pipe-washing ball slides down the vertical pipe 9 to clean the pump pipe. The pipe-washing water flows into the sewage pool and is reused after sedimentation treatment;

[0040] 6. Clean the device and the process ends.

[0041] The pipe cleaning ball comprises a ball bladder, and the ball bladder is wrapped with cleaning fluff. In the present embodiment, the ball bladder is a rubber ball, and the rubber ball periphery is wrapped with felt.

[0042] The size of the pipe cleaning ball is 1mm larger than the inner diameter of the vertical pipe 9, so that the pipe wall can be cleaned.

[0043] When pouring concrete, the discharge cover is in a closed state, and part of the concrete will enter the spiral shaft pipe 1. Therefore, when the concrete pump truck 10 stops working, the solidified soil in the vertical pipe 9 will not produce a sudden impact on the spiral shaft 3.

Claims

1. A device for recycling tailings of a concrete vertical delivery pump pipe, characterized in that: The device comprises a spiral shaft tube (1), one end of the spiral shaft tube (1) is provided with a material inlet (1-1), the other end of the spiral shaft tube (1) is provided with a spiral shaft hole, the middle of the spiral shaft tube (1) is provided with a material outlet (1-2), a material outlet cover plate is installed on the material outlet (1-2), a spiral shaft bearing chamber (2) is arranged in the middle of the spiral shaft tube (1), a spiral shaft (3) is rotatably installed in the spiral shaft bearing chamber (2) and the spiral shaft hole, the spiral shaft (3) is provided with a front rotating installation section, a rotating blade (3-1), a middle rotating installation section, and a stop straight shaft section (3-2) in sequence, the rotating blade (3-1) is arranged at a position In the spiral shaft tube (1), the stop straight shaft section (3-2) is exposed from the spiral shaft tube (1), an auxiliary box (4) is installed on the periphery of the stop straight shaft section (3-2), a stop plate (3-3) and a first gear (3-4) are installed on the periphery of the stop straight shaft section (3-2), a stopper (7) is installed on the outer side of the stop plate (3-3), an auxiliary discharge shaft (5) is rotatably arranged in the auxiliary box (4), a second gear (5-1) is installed in the middle of the auxiliary discharge shaft (5), the rear end of the auxiliary discharge shaft (5) is exposed from the auxiliary box (4), and an auxiliary discharge handle (6) is installed on the rear end of the auxiliary discharge shaft (5).

2. The device for recycling tailings of a vertical concrete delivery pump pipe as claimed in claim 1, characterized in that: The spiral shaft bearing chamber (2) and the spiral shaft hole are both used to rotatably mount the spiral shaft (3) via bearings.

3. The concrete vertical conveying pump pipe tail material recovery and reuse device according to claim 1, characterized in that: The front rotating installation section is located in the spiral shaft bearing chamber (2), and the middle rotating installation section is installed in the spiral shaft hole.

4. The device for recycling and reusing tailings of a vertical concrete delivery pump pipe as claimed in claim 1, characterized in that: The auxiliary discharge shaft (5) is parallel to the stop straight shaft section (3-2).

5. The device for recycling tailings of a vertical concrete delivery pump pipe as claimed in claim 1, characterized in that: The auxiliary discharge shaft (5) is provided with an auxiliary shaft front rotation installation section, an auxiliary shaft gear installation section, an auxiliary shaft middle rotation installation section, and an auxiliary shaft handle installation section in sequence; the auxiliary shaft front rotation installation section and the auxiliary shaft middle rotation installation section are rotatably located in the auxiliary box (4); the second gear (5-1) is installed on the outer periphery of the auxiliary shaft gear installation section; the second gear (5-1) is meshed with the first gear (3-4); the auxiliary shaft handle installation section is exposed from the auxiliary box (4) and is installed with the auxiliary discharge handle (6).

6. The device for recycling and reusing tailings of a vertical concrete delivery pump pipe as claimed in claim 1, characterized in that: The stopper (7) comprises a stopper mounting bracket (7-1), one end of the stopper mounting bracket (7-1) is connected to the auxiliary box (4), and the other end is mounted with a bracket rod (7-2), the bracket rod (7-2) is slidably mounted in the stopper body (7-3), the stopper body (7-3) is provided with a hydraulic cavity, the hydraulic cavity is connected to a hydraulic oil pipe (7-4), a hydraulic cylinder piston (7-5) is slidably mounted in the hydraulic cavity, one side of the hydraulic cylinder piston (7-5) is connected to an inner friction plate (7-6), an outer friction plate (7-7) is arranged on the side of the inner friction plate (7-6), and an anti-lock reset spring is arranged between the inner friction plate (7-6) and the outer friction plate (7-7).

7. A method for constructing a device for recycling and reusing tailings of a vertical concrete delivery pump pipe, characterized in that: The construction method comprises the following steps: a. Connect the feed port (1-1) to the first end of the tee pipe (8), connect the second end of the tee pipe (8) to the lower end of the riser (9), connect the third end of the tee pipe (8) to the output end of the concrete pump truck (10), and connect the discharge port (1-2) to the concrete collection truck (11); b. After the concrete pouring is completed, the discharge cover is opened, and the remaining concrete in the vertical pipe (9) falls into the inlet (1-1), pushing the screw shaft (3) to rotate, and starting the stopper (7). The stopper (7) controls the rotation speed of the screw shaft (3) by contacting the stopper plate (3-3), and the concrete flows into the concrete collection vehicle (11) through the discharge port (1-2), completing the collection and reuse of the concrete; c. After all the concrete in the vertical pipe (9) enters the spiral shaft pipe (1), the concrete pump truck (10) is separated from the tee pipe (8), and the auxiliary discharge handle (6) is rotated. The auxiliary discharge handle (6) drives the spiral shaft (3) to rotate through the gear transmission structure, and the last small amount of concrete is transported to the concrete collection truck (11); d. Separate the first end of the three-way pipe (8) from the feed inlet (1-1), connect the first end of the three-way pipe (8) to the sewage pool pipe (12), and connect the other end of the sewage pool pipe (12) to the sewage pool (13); e. Place a pipe-cleaning ball in the upper end of the riser (9), and use the maintenance water source on the floor to fill the riser (9) with water, so that the pipe-cleaning ball slides down the riser (9) to clean the pump pipe. The pipe-cleaning water flows into the sewage pool and is reused after sedimentation treatment; f. Clean the device and the process ends.

8. The method for constructing a device for recycling and reusing tailings of a vertical concrete delivery pump pipe as claimed in claim 7, characterized in that: The pipe cleaning ball comprises a ball bladder, and the outside of the ball bladder is wrapped with cleaning fluff.

9. The method for constructing a device for recycling and reusing tailings of a vertical concrete delivery pump pipe as claimed in claim 8, characterized in that: The ball bladder is a rubber ball, and the outer periphery of the rubber ball is wrapped with felt.

10. The method for constructing a device for recycling and reusing tailings of a vertical concrete delivery pump pipe as claimed in claim 7, characterized in that: The size of the pipe cleaning ball is 1 mm larger than the inner diameter of the standpipe (9).

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