阅读说明：本技术 一种岩土工程施工用灌注桩桩底压浆阀 (Grouting valve at bottom of cast-in-place pile for geotechnical engineering construction ) 是由 速田勇 周罕 王良川 李继魁 邱健彬 毛勇 成词峰 许�鹏 槐翔英 徐德禹 张向 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种岩土工程施工用灌注桩桩底压浆阀,包括主筒体、第一连接套筒、第一连接筒、副筒体、第二连接套筒、第二连接筒和调节组件；第一连接筒下部设置有第一出料孔；第二连接筒下部设置有第五出料孔；调节组件包括安装架、第一连接轴、第二连接轴、第一连杆、第二连杆、第三连杆、第一安装台、第四连杆、第五连杆、第六连杆和第二安装台；第二连杆设置在第一安装台上；第一安装台设置在副筒体上；第五连杆设置在第二安装台上；第二安装台设置在主筒体上；主筒体和副筒体上分别设置有用于驱动两个平行四边形机构转动以使主筒体和副筒体相向或相离移动的驱动机构。本发明可在钢筋笼内外两侧分别注浆,注浆更均匀,速度更快。(The invention discloses a pile bottom mud jacking valve of a cast-in-place pile for geotechnical engineering construction, which comprises a main cylinder, a first connecting sleeve, a first connecting cylinder, an auxiliary cylinder, a second connecting sleeve, a second connecting cylinder and an adjusting component, wherein the main cylinder is connected with the first connecting sleeve through a connecting sleeve; a first discharge hole is formed in the lower part of the first connecting cylinder; a fifth discharge hole is formed in the lower part of the second connecting cylinder; the adjusting assembly comprises a mounting frame, a first connecting shaft, a second connecting shaft, a first connecting rod, a second connecting rod, a third connecting rod, a first mounting table, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod and a second mounting table; the second connecting rod is arranged on the first mounting table; the first mounting table is arranged on the auxiliary cylinder body; the fifth connecting rod is arranged on the second mounting table; the second mounting table is arranged on the main cylinder; the main cylinder body and the auxiliary cylinder body are respectively provided with a driving mechanism for driving the two parallelogram mechanisms to rotate so as to enable the main cylinder body and the auxiliary cylinder body to move towards or away from each other. The invention can respectively perform grouting on the inner side and the outer side of the reinforcement cage, and the grouting is more uniform and faster.)

1. A pile bottom mud jacking valve of a cast-in-place pile for geotechnical engineering construction is characterized by comprising a main cylinder body (1), a first connecting sleeve (2), a first connecting cylinder (3), an auxiliary cylinder body (4), a second connecting sleeve (5), a second connecting cylinder (6) and an adjusting assembly;

the main cylinder body (1), the first connecting sleeve (2) and the first connecting cylinder (3) are sequentially connected from top to bottom; a first discharge hole is formed in the lower part of the first connecting cylinder (3); a plurality of first discharge holes are uniformly arranged around the central shaft of the first connecting cylinder (3); a plurality of auxiliary cylinders (4) are uniformly arranged around the central shaft of the main cylinder (1), and the auxiliary cylinders (4), the second connecting sleeve (5) and the second connecting cylinder (6) are sequentially connected from top to bottom; a fifth discharge hole is formed in the lower part of the second connecting cylinder (6); a plurality of fifth discharge holes are uniformly arranged around the central shaft of the second connecting cylinder (6); the adjusting assembly comprises a mounting frame (14), a first connecting shaft (151), a second connecting shaft (152), a first connecting rod (16), a second connecting rod (17), a third connecting rod (18), a first mounting table (19), a fourth connecting rod (20), a fifth connecting rod (21), a sixth connecting rod (22) and a second mounting table (23); the first connecting shaft (151) and the second connecting shaft (152) are arranged on the mounting frame (14) side by side along the vertical direction; the first connecting shaft (151), the first connecting rod (16), the second connecting rod (17), the third connecting rod (18) and the second connecting shaft (152) are sequentially and rotatably connected to form a parallelogram mechanism; the second connecting rod (17) is arranged on the first mounting table (19); the first mounting table (19) is arranged on the auxiliary cylinder body (4); the first connecting shaft (151), the fourth connecting rod (20), the fifth connecting rod (21), the sixth connecting rod (22) and the second connecting shaft (152) are sequentially and rotatably connected to form a parallelogram mechanism; the fifth connecting rod (21) is arranged on the second mounting table (23); the second mounting table (23) is arranged on the main cylinder body (1); the main cylinder body (1) and the auxiliary cylinder body (4) are respectively provided with a driving mechanism for driving the two parallelogram mechanisms to rotate so as to enable the main cylinder body (1) and the auxiliary cylinder body (4) to move towards or away from each other.

2. The pile bottom mud jacking valve of the bored concrete pile for geotechnical engineering construction according to claim 1, wherein the first connecting cylinder (3) is provided with a first discharge pipe (31); the first discharge pipes (31) are arranged in a plurality, and the first discharge pipes (31) are correspondingly positioned at the first discharge holes; a fifth discharge pipe (61) is arranged on the second connecting cylinder (6); the fifth discharging pipes (61) are arranged in a plurality, and the fifth discharging pipes (61) are correspondingly positioned at the fifth discharging holes.

3. The pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction according to claim 2, wherein the first connecting cylinder (3) is provided with a second discharge hole; a plurality of second discharge holes are uniformly arranged around the central shaft of the first connecting cylinder (3), and the second discharge holes and the first discharge holes are arranged around the first connecting cylinder (3) in a staggered manner; the first discharging hole faces the second connecting cylinder (6).

4. The pile bottom mud jacking valve of the cast-in-place pile for the geotechnical engineering construction, according to claim 3, characterized in that the bottom end of the first connecting cylinder (3) is communicated with a first circular truncated cone; the first round table cylinder is of a hollow round table structure, the area of the bottom surface of the first round table cylinder is smaller than that of the top surface of the first round table cylinder, the top of the first round table cylinder is connected with the bottom of the first connecting cylinder (3), and the peripheral surface of the first round table cylinder is communicated with a third discharging pipe (33) and a fourth discharging pipe (34); a plurality of third discharging pipes (33) and a plurality of fourth discharging pipes (34) are uniformly arranged around the central shaft of the first circular truncated cone respectively; the bottom end of the second connecting cylinder (6) is communicated with a second round table cylinder; the second round table cylinder is of a hollow round table structure, the area of the bottom surface of the second round table cylinder is smaller than that of the top surface of the second round table cylinder, the top of the second round table cylinder is connected with the bottom of the second connecting cylinder (6), and the peripheral surface of the second round table cylinder is communicated with a sixth discharging pipe (62); the number of the sixth discharging pipes (62) is a plurality around the central axis of the second circular truncated cone.

5. The pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction, according to claim 4, characterized in that the ends of the first discharging pipe (31) and the second discharging pipe (32) far away from the first connecting cylinder (3) are gradually inclined from top to bottom; the third discharging pipe (33) and the fourth discharging pipe (34) are gradually inclined from top to bottom at the ends far away from the first circular truncated cone; one end of the fifth discharge pipe (61) far away from the second connecting cylinder (6) is gradually inclined from top to bottom; one end of the sixth discharge pipe (62) far away from the second circular truncated cone is gradually inclined from top to bottom.

6. The pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction according to claim 4, wherein the inner diameters of the first discharging pipe (31) and the second discharging pipe (32) are gradually reduced in a direction away from the first connecting cylinder (3); the inner diameters of the third discharging pipe (33) and the fourth discharging pipe (34) are gradually reduced along the direction far away from the first circular truncated cone; the inner diameter of the fifth discharge pipe (61) is gradually reduced along the direction away from the second connecting cylinder (6); the inner diameter of the sixth discharge pipe (62) decreases gradually in the direction away from the second circular truncated cone.

7. The pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction according to claim 4, wherein the first discharging pipe (31), the second discharging pipe (32), the third discharging pipe (33), the fourth discharging pipe (34), the fifth discharging pipe (61) and the sixth discharging pipe (62) are quincunx in radial section.

8. The pile bottom mud jacking valve of the cast-in-place pile for the geotechnical engineering construction, according to claim 1, characterized in that the top end of the main cylinder (1) is communicated with a first connecting pipe (101); one end of the first connecting pipe (101), which is far away from the main cylinder body (1), is connected with a connecting valve (7); the connecting valve (7) is connected with a second connecting pipe (401) and a grouting pipe (8); one end of the second connecting pipe (401), which is far away from the connecting valve (7), is communicated with the top end of the auxiliary cylinder body (4); one end of the grouting pipe (8) far away from the connecting valve (7) is connected with a pneumatic grouting pump.

9. The pile bottom mud jacking valve of the cast-in-place pile for the geotechnical engineering construction, according to claim 1, is characterized in that two groups of driving mechanisms are arranged, and the driving mechanisms are a fixed frame (9), a cylinder (10), a first connecting table (11), a connecting rod (12) and a second connecting table (13); two fixing frames (9) in the two groups of driving mechanisms are respectively arranged on the main cylinder body (1) and the auxiliary cylinder body (4); the cylinder (10) is arranged on the fixed frame (9), and the output end of the cylinder (10) is connected with the first connecting platform (11); two ends of the connecting rod (12) are respectively connected with the first connecting table (11) and the second connecting table (13) in a rotating way; the second connecting table (13) is arranged on the mounting frame (14).

10. The pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction according to claim 9, wherein the height of the fixing frame (9), the cylinder (10), the first connecting platform (11), the connecting rod (12) and the second connecting platform (13) is higher than the height of the top end of the mounting frame (14).

Technical Field

The invention belongs to the technical field of rock engineering, and particularly relates to a pile bottom slurry pressing valve of a cast-in-place pile for geotechnical engineering construction.

Background

The cast-in-place pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering construction site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and is divided into a immersed tube cast-in-place pile, a cast-in-place pile and a cast-in-place pile according to different hole forming methods. In the prior art, when a cast-in-place pile is cast, a mud jacking valve is generally adopted.

At present, a grouting valve extends into the bottom of a pile and is positioned on the inner side of a reinforcement cage, and in such a way, concrete sprayed out of the grouting valve needs to penetrate through the reinforcement cage and then contact with the soil surface, so that the concrete is not easy to be fully filled on the soil side surface of the pile.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a pile bottom grouting valve of a cast-in-place pile for geotechnical engineering construction.

In order to solve the technical problems, the invention adopts the technical scheme that:

a pile bottom mud jacking valve of a cast-in-place pile for geotechnical engineering construction comprises a main cylinder body, a first connecting sleeve, a first connecting cylinder, an auxiliary cylinder body, a second connecting sleeve, a second connecting cylinder and an adjusting assembly; the main cylinder body, the first connecting sleeve and the first connecting cylinder are sequentially connected from top to bottom; a first discharge hole is formed in the lower part of the first connecting cylinder; a plurality of first discharge holes are uniformly arranged around the central shaft of the first connecting cylinder; a plurality of auxiliary cylinders are uniformly arranged around the central shaft of the main cylinder, and the auxiliary cylinders, the second connecting sleeve and the second connecting cylinder are sequentially connected from top to bottom; a fifth discharge hole is formed in the lower part of the second connecting cylinder; a plurality of fifth discharge holes are uniformly arranged around the central shaft of the second connecting cylinder; the adjusting assembly comprises a mounting frame, a first connecting shaft, a second connecting shaft, a first connecting rod, a second connecting rod, a third connecting rod, a first mounting table, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod and a second mounting table; the first connecting shaft and the second connecting shaft are arranged on the mounting frame side by side along the vertical direction; the first connecting shaft, the first connecting rod, the second connecting rod, the third connecting rod and the second connecting shaft are sequentially and rotatably connected to form a parallelogram mechanism; the second connecting rod is arranged on the first mounting table; the first mounting table is arranged on the auxiliary cylinder body; the first connecting shaft, the fourth connecting rod, the fifth connecting rod, the sixth connecting rod and the second connecting shaft are sequentially and rotatably connected to form a parallelogram mechanism; the fifth connecting rod is arranged on the second mounting table; the second mounting table is arranged on the main cylinder; the main cylinder body and the auxiliary cylinder body are respectively provided with a driving mechanism for driving the two parallelogram mechanisms to rotate so as to enable the main cylinder body and the auxiliary cylinder body to move towards or away from each other.

Preferably, a first discharge pipe is arranged on the first connecting cylinder; the first discharging pipes are correspondingly positioned at the first discharging holes; a fifth discharge pipe is arranged on the second connecting cylinder; the fifth discharging pipes are arranged in a plurality of numbers, and the fifth discharging pipes are correspondingly positioned at the fifth discharging holes.

Preferably, the first connecting cylinder is provided with a second discharging hole; a plurality of second discharge holes are uniformly arranged around the central shaft of the first connecting cylinder, and the second discharge holes and the first discharge holes are arranged around the first connecting cylinder in a staggered manner; the first discharging hole faces the second connecting cylinder.

Preferably, the bottom end of the first connecting cylinder is communicated with a first circular truncated cone; the first circular truncated cone cylinder is of a hollow circular truncated cone structure, the area of the bottom surface of the first circular truncated cone cylinder is smaller than that of the top surface of the first circular truncated cone cylinder, the top of the first circular truncated cone cylinder is connected with the bottom of the first connecting cylinder, and the outer peripheral surface of the first circular truncated cone cylinder is communicated with a third discharging pipe and a fourth discharging pipe; a plurality of third discharging pipes and a plurality of fourth discharging pipes are uniformly arranged around the central shaft of the first circular truncated cone cylinder respectively; the bottom end of the second connecting cylinder is communicated with a second circular truncated cone; the second circular truncated cone cylinder is of a hollow circular truncated cone structure, the area of the bottom surface of the second circular truncated cone cylinder is smaller than that of the top surface of the second circular truncated cone cylinder, the top of the second circular truncated cone cylinder is connected with the bottom of the second connecting cylinder, and the peripheral surface of the second circular truncated cone cylinder is communicated with a sixth discharging pipe; the sixth discharging pipe is provided with a plurality of pipes around the central axis of the second circular truncated cone.

Preferably, one ends of the first discharge pipe and the second discharge pipe, which are far away from the first connecting cylinder, are gradually inclined from top to bottom; one ends of the third discharging pipe and the fourth discharging pipe, which are far away from the first circular truncated cone, are gradually inclined from top to bottom; one end, far away from the second connecting cylinder, of the fifth discharging pipe is gradually inclined from top to bottom; one end, far away from the second circular truncated cone cylinder, of the sixth discharging pipe is gradually inclined from top to bottom.

Preferably, the inner diameters of the first discharge pipe and the second discharge pipe decrease gradually in the direction away from the first connecting cylinder; the inner diameters of the third discharging pipe and the fourth discharging pipe are gradually reduced along the direction far away from the first circular truncated cone; the inner diameter of the fifth discharge pipe is gradually reduced along the direction far away from the second connecting cylinder; the inner diameter of the sixth discharge pipe is gradually reduced along the direction far away from the second circular truncated cone.

Preferably, the first discharge pipe, the second discharge pipe, the third discharge pipe, the fourth discharge pipe, the fifth discharge pipe and the sixth discharge pipe are all in a quincunx shape in cross section along the radial direction.

Preferably, the top end of the main cylinder is communicated with a first connecting pipe; one end of the first connecting pipe, which is far away from the main cylinder body, is connected with a connecting valve; the connecting valve is connected with a second connecting pipe and a grouting pipe; one end of the second connecting pipe, which is far away from the connecting valve, is communicated with the top end of the auxiliary cylinder body; one end of the grouting pipe, which is far away from the connecting valve, is connected with a pneumatic grouting pump.

Preferably, two groups of driving mechanisms are arranged, and the driving mechanisms are a fixed frame, an air cylinder, a first connecting table, a connecting rod and a second connecting table; two fixed frames in the two groups of driving mechanisms are respectively arranged on the main cylinder body and the auxiliary cylinder body; the cylinder is arranged on the fixed frame, and the output end of the cylinder is connected with the first connecting table; two ends of the connecting rod are respectively rotatably connected with the first connecting table and the second connecting table; the second connecting platform is arranged on the mounting frame.

Preferably, the height of the fixing frame, the cylinder, the first connecting table, the connecting rod and the second connecting table is higher than that of the top end of the mounting frame. After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

According to the invention, the grouting areas are respectively arranged on the inner side and the outer side of the reinforcement cage, the inner side and the outer side of the reinforcement cage are simultaneously grouted, concrete can be more fully filled in the pile, the grouting is more uniform, the grouting speed is higher, the structure of the solidified concrete is more stable and firm, the concrete is introduced from the main cylinder body and the auxiliary cylinder body and is sprayed into the pile from the first discharge hole and the fifth discharge hole, the first connecting cylinder is positioned on the inner side of the reinforcement cage, and the second connecting cylinder is positioned between the reinforcement cage and the side wall of the concrete, so that the casting of the concrete is more uniform. The driving mechanism drives the two parallelogram mechanisms to rotate, and the main cylinder body and the auxiliary cylinder body can move in the opposite direction or in the opposite direction, so that the cast-in-place pile driving mechanism is suitable for cast-in-place piles with different apertures and is wide in application range.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of a pile bottom slurry pressing valve of a cast-in-place pile for geotechnical engineering construction, which is provided by the invention.

Fig. 2 is an enlarged view of a structure at a in fig. 1.

Fig. 3 is a schematic view of a partial structure of a pile bottom slurry pressing valve of a cast-in-place pile for geotechnical engineering construction, which is provided by the invention.

Fig. 4 is a schematic structural view of an auxiliary cylinder, a second connecting sleeve and a second connecting sleeve in the pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction provided by the invention.

Fig. 5 is a schematic structural view of a main cylinder, a first connecting sleeve and a first connecting sleeve in the pile bottom mud jacking valve of the cast-in-place pile for geotechnical engineering construction provided by the invention.

Reference numerals: 1. a main cylinder; 101. a first connecting pipe; 2. a first connecting sleeve; 3. a first connecting cylinder; 31. a first discharge pipe; 32. a second discharge pipe; 33. a third discharge pipe; 34. a fourth discharge pipe; 4. an auxiliary cylinder; 401. a second connecting pipe; 5. a second connecting sleeve; 6. a second connecting cylinder; 61. a fifth discharge pipe; 62. a sixth discharge pipe; 7. a connecting valve; 8. a grouting pipe; 9. a fixed mount; 10. a cylinder; 11. a first connection station; 12. a connecting rod; 13. a second connecting station; 14. a mounting frame; 151. a first connecting shaft; 152. a second connecting shaft; 16. a first link; 17. a second link; 18. a third link; 19. a first mounting table; 20. a fourth link; 21. a fifth link; 22. a sixth link; 23. and a second mounting table.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 5, the pile bottom slurry pressing valve of the cast-in-place pile for geotechnical engineering construction, according to the embodiment, includes a main cylinder 1, a first connecting sleeve 2, a first connecting sleeve 3, an auxiliary cylinder 4, a second connecting sleeve 5, a second connecting sleeve 6 and an adjusting assembly; the main cylinder body 1, the first connecting sleeve 2 and the first connecting cylinder 3 are sequentially connected from top to bottom; a first discharge hole is formed in the lower part of the first connecting cylinder 3; a plurality of first discharge holes are uniformly arranged around the central shaft of the first connecting cylinder 3; a plurality of auxiliary cylinders 4 are uniformly arranged around the central shaft of the main cylinder 1, and the auxiliary cylinders 4, the second connecting sleeves 5 and the second connecting sleeves 6 are sequentially connected from top to bottom; a fifth discharge hole is formed in the lower part of the second connecting cylinder 6; a plurality of fifth discharge holes are uniformly arranged around the central shaft of the second connecting cylinder 6; the adjusting assembly comprises a mounting frame 14, a first connecting shaft 151, a second connecting shaft 152, a first connecting rod 16, a second connecting rod 17, a third connecting rod 18, a first mounting platform 19, a fourth connecting rod 20, a fifth connecting rod 21, a sixth connecting rod 22 and a second mounting platform 23; the first connecting shaft 151 and the second connecting shaft 152 are arranged side by side in the vertical direction on the mounting frame 14; the first connecting shaft 151, the first connecting rod 16, the second connecting rod 17, the third connecting rod 18 and the second connecting shaft 152 are sequentially and rotatably connected to form a parallelogram mechanism; the second link 17 is provided on the first mount table 19; the first mounting table 19 is arranged on the auxiliary cylinder 4; the first connecting shaft 151, the fourth connecting rod 20, the fifth connecting rod 21, the sixth connecting rod 22 and the second connecting shaft 152 are sequentially and rotatably connected to form a parallelogram mechanism; the fifth link 21 is provided on the second mount table 23; the second mounting table 23 is arranged on the main cylinder 1; the main cylinder 1 and the auxiliary cylinder 4 are respectively provided with a driving mechanism for driving the two parallelogram mechanisms to rotate so as to enable the main cylinder 1 and the auxiliary cylinder 4 to move towards or away from each other (the driving mechanism on the auxiliary cylinder 4 is not shown in the drawing).

According to the invention, the grouting areas are respectively arranged on the inner side and the outer side of the reinforcement cage, so that concrete can be more fully filled in the pile, and the structure of the solidified concrete is more stable and firm. Concrete lets in from main barrel 1 and vice barrel 4 to spout to the stake in from first discharge opening and fifth discharge opening, first connecting cylinder 3 is located the steel reinforcement cage inboard, and second connecting cylinder 6 is located between steel reinforcement cage and the soil lateral wall, thereby makes the casting of concrete more even. The driving mechanism drives the two parallelogram mechanisms to rotate, so that the main barrel body 1 and the auxiliary barrel body 4 can move in the opposite direction or in the opposite direction, and the cast-in-place pile driving mechanism is suitable for cast-in-place piles with different apertures and has a wide application range.

In an alternative embodiment, the first connecting shaft 3 is provided with a first discharge pipe 31; the first discharge pipes 31 are provided with a plurality of parts, and the first discharge pipes 31 are correspondingly positioned at the first discharge holes; a fifth discharge pipe 61 is arranged on the second connecting cylinder 6; the fifth discharge pipes 61 are provided in plurality, and the fifth discharge pipes 61 are correspondingly located at the fifth discharge holes.

In an alternative embodiment, the first connecting cylinder 3 is provided with a second discharging hole; a plurality of second discharge holes are uniformly arranged around the central shaft of the first connecting cylinder 3, and the second discharge holes and the first discharge holes are arranged around the first connecting cylinder 3 in a staggered manner; the first discharge opening faces the second connecting cylinder 6. Further increasing the grouting speed.

In an alternative embodiment, the bottom end of the first connecting cylinder 3 is communicated with a first circular truncated cone; the first circular truncated cone cylinder is of a hollow circular truncated cone structure, the area of the bottom surface of the first circular truncated cone cylinder is smaller than that of the top surface of the first circular truncated cone cylinder, the top of the first circular truncated cone cylinder is connected with the bottom of the first connecting cylinder 3, and the outer peripheral surface of the first circular truncated cone cylinder is communicated with a third discharging pipe 33 and a fourth discharging pipe 34; a plurality of third discharging pipes 33 and a plurality of fourth discharging pipes 34 are respectively and uniformly arranged around the central axis of the first circular truncated cone; the bottom end of the second connecting cylinder 6 is communicated with a second round table cylinder; the second round table cylinder is of a hollow round table structure, the area of the bottom surface of the second round table cylinder is smaller than that of the top surface of the second round table cylinder, the top of the second round table cylinder is connected with the bottom of the second connecting cylinder 6, and the peripheral surface of the second round table cylinder is communicated with a sixth discharging pipe 62; the sixth discharging pipe 62 is provided in plurality around the second round table cylinder center axis. Through setting up first round platform section of thick bamboo and second round platform section of thick bamboo to and third discharging pipe 33, fourth discharging pipe 34 and sixth discharging pipe 62, further enlarge the slip casting scope, improve slip casting speed, guarantee the homogeneity of slip casting.

In an alternative embodiment, the first discharge pipe 31 and the second discharge pipe 32 are inclined gradually from top to bottom away from the end of the first connecting cylinder 3; the third discharging pipe 33 and the fourth discharging pipe 34 are gradually inclined from top to bottom at the ends far away from the first cone; the end of the fifth discharging pipe 61 far away from the second connecting cylinder 6 is gradually inclined from top to bottom; one end of the sixth discharging pipe 62, which is far away from the second circular truncated cone, is gradually inclined from top to bottom. The first discharge pipe 31, the second discharge pipe 32, the third discharge pipe 33, the fourth discharge pipe 34, the fifth discharge pipe 61 and the sixth discharge pipe 62 are all arranged in an inclined manner, so that when the invention is lifted upwards, concrete is less likely to block the first discharge pipe 31, the second discharge pipe 32, the third discharge pipe 33, the fourth discharge pipe 34, the fifth discharge pipe 61 and the sixth discharge pipe 62.

In an alternative embodiment, the inner diameters of the first discharge pipe 31 and the second discharge pipe 32 decrease in the direction away from the first connecting shaft 3; the inner diameters of the third discharge pipe 33 and the fourth discharge pipe 34 decrease gradually in the direction away from the first round frustum; the inner diameter of the fifth discharge pipe 61 is gradually reduced in the direction away from the second connecting cylinder 6; the inner diameter of the sixth tapping pipe 62 decreases in the direction away from the second round cone. The internal diameter of pipe reduces gradually, and the injection rate accelerates, strengthens the injection of slip casting, does benefit to the slip casting evenly.

In an alternative embodiment, the first discharge pipe 31, the second discharge pipe 32, the third discharge pipe 33, the fourth discharge pipe 34, the fifth discharge pipe 61 and the sixth discharge pipe 62 are each plum-blossom-shaped in radial cross section (not shown in the figures). The quincunx outlet is slightly larger than the circle and is less prone to blockage.

In an alternative embodiment, the top end of the main cylinder 1 is communicated with a first connecting pipe 101; one end of the first connecting pipe 101, which is far away from the main cylinder 1, is connected with a connecting valve 7; the connecting valve 7 is connected with a second connecting pipe 401 and a grouting pipe 8; one end of the second connecting pipe 401, which is far away from the connecting valve 7, is communicated with the top end of the auxiliary cylinder 4; one end of the grouting pipe 8, which is far away from the connecting valve 7, is connected with a pneumatic grouting pump. The pneumatic grouting pump can perform grouting to the main cylinder 1 and the auxiliary cylinder 4 through the connecting valve 7, the first connecting pipe 101 and the second connecting pipe 401, and the grouting process can be guaranteed to be performed simultaneously.

In an alternative embodiment, two groups of driving mechanisms are arranged, and the driving mechanisms are a fixed frame 9, an air cylinder 10, a first connecting platform 11, a connecting rod 12 and a second connecting platform 13; two fixing frames 9 in the two groups of driving mechanisms are respectively arranged on the main cylinder body 1 and the auxiliary cylinder body 4; the cylinder 10 is arranged on the fixed frame 9, and the output end of the cylinder 10 is connected with the first connecting platform 11; two ends of the connecting rod 12 are respectively connected with the first connecting platform 11 and the second connecting platform 13 in a rotating way; the second connecting table 13 is provided on the mounting frame 14. The output end of the cylinder 10 drives the first connecting platform 11 to move, the first connecting platform 11 drives the second connecting platform 13 to move through the connecting rod 12, and the second connecting platform 13 drives the mounting frame 14 to move.

In an alternative embodiment, the height of the fixing frame 9, the air cylinder 10, the first connecting table 11, the connecting rod 12 and the second connecting table 13 is higher than the height of the top end of the mounting frame 14, so as to prevent the concrete from fouling the components during grouting.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.