CN215758994U

CN215758994U - Multi-shaft rotary spraying device for impervious wall

Info

Publication number: CN215758994U
Application number: CN202122099186.9U
Authority: CN
Inventors: 周广泉; 张海平; 袁培民; 高风顺; 周冲
Original assignee: Shandong Dingxin Geotechnical Technology Co ltd
Current assignee: Shandong Dingxin Geotechnical Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-08
Anticipated expiration: 2031-09-02

Abstract

In order to solve the problem of low construction efficiency of the impervious wall, the utility model provides a multi-shaft rotary spraying construction device of the impervious wall, which mainly comprises a winch, a frame, a variable-angle-speed rotary swinging power head and a plurality of spraying pipes, wherein the frame is provided with upright columns which are distributed in the vertical direction, the winch drives the variable-angle-speed rotary swinging power head to move up and down along the upright columns through a steel wire rope and a pulley, the plurality of spraying pipes are all rotatably connected below the power head, a slurry conveying channel is arranged in each spraying pipe, the lower parts of the spraying pipes are fixedly connected with a stirring rod, the outer end of the stirring rod is provided with a nozzle which is connected with the slurry conveying channel, the variable-angle-speed rotary swinging power head consists of a sliding plate, a servo motor which is fixedly connected on the sliding plate, a PLC (programmable logic controller) and an angle sensor which is used for detecting the rotation angle of the spraying pipes, the plurality of spraying pipes are connected with the servo motor through synchronous belt transmission, and the angle sensor is connected with the PLC as a signal input end, the servo motor is connected with a signal output end of the PLC.

Description

Multi-shaft rotary spraying device for impervious wall

Technical Field

The utility model relates to the technical field of building construction, in particular to a multi-shaft rotary spraying construction device for an impervious wall.

Background

At present, the existing high-pressure jet grouting equipment adopts single-shaft operation, the traditional jet grouting equipment can form a cylindrical jet grouting pile, and an impervious wall formed in a lap joint mode can be used for seepage prevention of water conservancy or foundation pit supporting engineering. The construction method of the single-shaft rotary jet pile is to use a drilling machine to form a hole, and then insert a rotary jet pipe into the hole for construction.

Disclosure of Invention

In order to solve the problems, the utility model provides a multi-shaft rotary spraying construction device for an impervious wall, which adopts the following technical scheme:

a multi-shaft rotary spraying construction device for an impervious wall is characterized by mainly comprising a winch, a rack, a variable-angle-speed rotary swinging power head and a plurality of spraying pipes, wherein the rack is provided with vertical columns distributed in the vertical direction, the winch drives the variable-angle-speed rotary swinging power head to move up and down along the vertical columns through a steel wire rope and a pulley, the plurality of spraying pipes are all rotatably connected below the power head, a slurry conveying channel is arranged in each spraying pipe, the lower parts of the spraying pipes are fixedly connected with stirring rods, the stirring rods are distributed in the direction perpendicular to the axial direction of the spraying pipes, the outer ends of the stirring rods are provided with nozzles connected with the slurry conveying channel, in addition, the variable-angle-speed rotary swinging power head consists of a sliding plate, a servo motor fixedly connected onto the sliding plate, a PLC (programmable logic controller) and an angle sensor used for detecting the rotating angle of the spraying pipes, the plurality of spraying pipes are connected with the servo motor through synchronous belt transmission, and the angle sensor is connected with the PLC as a signal input end, the servo motor is connected with a signal output end of the PLC.

Preferably, the three groups of the injection pipes are distributed back and forth along the radial line direction of the variable-angle-speed rotary swing power head.

Preferably, the stirring rods are provided with a plurality of groups along the axial direction of the injection pipe.

Preferably, the upper end of the injection pipe is connected with the conveying pipe through a rotary joint.

Preferably, the distance between the injection pipes is adjustable.

Preferably, a sliding groove is formed in the sliding plate, the injection pipe can slide along the sliding groove, the injection pipe is rotatably connected to the inside of the sliding groove through a bearing seat, and the bearing seat is fixedly connected with the sliding plate.

The utility model has the beneficial effects that:

1. the impervious wall is formed by adopting a plurality of injection pipes simultaneously, so that the construction efficiency is effectively improved, and the distance between the injection pipes is adjustable so as to adapt to the requirements of different soil qualities;

2. the PLC controller controls the servo motor to drive the injection pipe to perform variable-angle-speed rotary spraying or swing spraying, so that the impervious walls with different shapes and structures are formed to meet different construction requirements;

3. the injection pipe lower extreme is provided with the puddler, and the nozzle setting effectively improves and spouts radius soon and become the wall quality in the puddler outer end.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic view showing the connection between the injection pipe and the output shaft of the servo motor

The device comprises a frame 1, a winch 2, a stand column 3, a roller 4, a steel wire rope 5, a sliding plate 6, a servo motor 7, a PLC 8, an angle sensor 9, an injection pipe 10, a stirring rod 11, a nozzle 12, a servo motor output shaft 13, a conveyor belt 14, a rotary joint 15, a sliding chute 16 and a bearing seat 17.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The multi-shaft rotary spraying construction device for the impervious wall as shown in fig. 1-2 comprises a frame 1, a winch 2, an upright post 3, a variable angle speed rotary swing power head and injection pipes 10, wherein the upright post 3 is vertically distributed and fixedly connected above the frame 1, the variable angle speed rotary swing power head is vertically and slidably connected with the upright post 3, concretely, the variable angle speed rotary swing power head comprises a sliding plate 6, a servo motor 7, a PLC (programmable logic controller) 8 and an angle sensor 9, the servo motor 7 and the PLC controller 8 are arranged above the sliding plate 6, a sliding groove is arranged at the right side of the sliding plate 6, a sliding rail matched with a groove on the sliding plate 6 is arranged at the left side of the upright post 3, the variable angle speed rotary swing power head is vertically and slidably connected with the left side of the upright post 3 through the sliding plate 6, the winch 1 drives the sliding plate 6 to move up and down along the upright post 3 through a pulley 4 and a steel wire rope 5, the injection pipes 10 are provided with three groups, the three groups of injection pipes 10 are distributed in the front and back directions and rotatably connected below the sliding plate 6, the upper end of the injection pipe 10 stretches out of a certain length above the sliding plate 6, the servo motor output shaft 13 is respectively connected with the three groups of injection pipes 10 through three groups of synchronous belts 14 in a transmission mode, an angle sensor 9 is further arranged on the injection pipe 10, the angle sensor 9 is connected with a signal input end of a PLC (programmable logic controller) 8, a servo motor 7 is connected with a signal output end of the PLC 8, an agitating rod 11 is arranged on the lower portion of the injection pipe 10, a nozzle 12 is arranged at the outer end of the agitating rod 11, the nozzle 12 is connected with a slurry conveying pipeline inside the injection pipe 10, the upper end of the injection pipe 10 is further connected with a rotary joint 15, and a slurry conveying pipeline inside the injection pipe 10 is connected with water, gas and slurry conveying pipes through the rotary joint 15.

In addition, the sliding plate 6 is also provided with two sliding grooves 16, the upper injection pipe 10 and the lower injection pipe 10 can move along the sliding grooves in fig. 2, the injection pipes 10 are rotatably connected with the bearing seat 17, a plurality of fixing holes are arranged on two sides of the sliding grooves 16, the bearing seat 17 is fixedly connected with the sliding plate 6 through the fixing holes, and the position of the bearing seat is adjustable, so that the distance between the three injection pipes 10 is adjusted to meet the requirements of different soil qualities.

The working principle of the device is as follows: positioning and paying off according to a diaphragm wall construction route, pre-drilling holes by using a drilling machine, driving an angle-variable speed rotary swing power head and three groups of injection pipes 10 to move downwards into the pre-drilling holes after a winch 1 passes through a pulley 4 through a steel wire rope 5, starting a servo motor 7 to drive the three groups of injection pipes 10 to rotate simultaneously after the winch 1 drives the angle-variable speed rotary swing power head and the three groups of injection pipes 10 to move upwards in place, lifting the injection pipes 10 while performing rotary spraying until the designed height is reached, performing rotary spraying on the multiple injection pipes 10 simultaneously to form a diaphragm wall, and controlling the servo motor 7 to drive the injection pipes 10 to perform variable angle speed rotary spraying by an angle sensor 9 detected by a PLC (programmable logic controller) 8 in the lifting process of the injection pipes 10, so that the required diaphragm wall construction shape and structure are formed according to the diaphragm wall construction route.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the utility model and these modifications are to be considered within the scope of the utility model.

Claims

1. A multi-shaft rotary spraying construction device for an impervious wall is characterized by mainly comprising a winch, a rack, a variable-angle-speed rotary swinging power head and a plurality of spraying pipes, wherein the rack is provided with vertical columns distributed in the vertical direction, the winch drives the variable-angle-speed rotary swinging power head to move up and down along the vertical columns through a steel wire rope and a pulley, the plurality of spraying pipes are all rotatably connected below the power head, a slurry conveying channel is arranged in each spraying pipe, the lower parts of the spraying pipes are fixedly connected with stirring rods, the stirring rods are distributed in the direction perpendicular to the axial direction of the spraying pipes, the outer ends of the stirring rods are provided with nozzles connected with the slurry conveying channel, in addition, the variable-angle-speed rotary swinging power head consists of a sliding plate, a servo motor fixedly connected onto the sliding plate, a PLC (programmable logic controller) and an angle sensor used for detecting the rotating angle of the spraying pipes, the plurality of spraying pipes are connected with the servo motor through synchronous belt transmission, and the angle sensor is connected with the PLC as a signal input end, the servo motor is connected with a signal output end of the PLC.

2. The multi-shaft rotary jet construction device for the cut-off wall as claimed in claim 1, wherein the three groups of the jet pipes are arranged and distributed back and forth along the radial line direction of the variable-angle-speed rotary pendulum power head.

3. The multi-shaft rotary jetting construction device for diaphragm walls according to claim 1, wherein the stirring rods are provided with a plurality of groups in the axial direction of the jetting pipe.

4. The multi-axis rotary jetting diaphragm wall construction device according to claim 1, wherein the upper end of the jetting pipe is connected to the delivery pipe through a swivel joint.

5. The multi-shaft rotary jetting construction device for diaphragm walls according to claim 1, wherein the distance between the jetting pipes is adjustable.

6. The multi-shaft rotary spraying construction device for the impervious wall according to claim 1, wherein the sliding plate is provided with a sliding groove, the injection pipe can slide along the sliding groove, the injection pipe is rotatably connected inside the sliding groove through a bearing seat, and the bearing seat is fixedly connected with the sliding plate.