Grouting device for PHC (prestressed high-strength concrete) pipe pile

Abstract

The utility model relates to the technical field of grouting devices, in particular to a grouting device of a PHC pipe pile, which comprises a cylinder body, grout outlet holes are formed in the outer surface of the cylinder body at equal intervals in a penetrating mode, a plugging column is arranged at the bottom of the cylinder body, and a vertical rod is rotatably connected in the plugging column through a bearing. Turbine blades are fixed to the top end, located in the barrel, of the vertical rod through flat keys, and a cleaning assembly is arranged on the outer side, located in the barrel, of the vertical rod. The cleaning assembly comprises fixing sleeves arranged on the outer side of the vertical rod in a sleeving mode through flat keys at equal intervals, connecting plates are welded to the outer sides of the fixing sleeves at equal intervals, and wiping brushes are fixed to one ends of the connecting plates through bolts. When slurry enters the cylinder body, the turbine blade can be pushed to drive the vertical rod to rotate, the vertical rod rotates to drive the fixing sleeve and the connecting plate on the outer side of the fixing sleeve to rotate, the connecting plate rotates to brush the slurry outlet through the wiping brush, the slurry cannot be blocked in the slurry outlet, and the grouting efficiency cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting devices, in particular to a grouting device for a PHC pipe pile. Background Art

[0002] The pipe pile grouting system is a special tool used for pile foundation grouting operations in construction projects such as bridges and roads. Its main function is to fill the pile hole and improve the strength, stability and density of the pile by quantitatively putting grouting materials into the pile body. The pipe pile grouting system mainly includes a grouting pump, a pipeline, a slurry inlet, a filter, a material barrel and a grouting head. The grouting head is also called a grouting device. The existing grouting device has a simple structure and no cleaning structure inside the grouting device. After long-term use, the slurry will be blocked in the slurry outlet hole, thereby affecting the grouting efficiency. Therefore, a grouting device for PHC pipe piles is proposed, which can clean the slurry outlet hole inside the grouting device to prevent the slurry from being blocked in the slurry outlet hole and avoid affecting the grouting efficiency. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a grouting device for a PHC pipe pile, which can clean the slurry outlet holes inside the grouting device to prevent slurry from being blocked in the slurry outlet holes and affecting the grouting efficiency.

[0004] The technical solution adopted by the utility model to solve the technical problem is a grouting device for PHC piles, comprising a cylinder, the outer surface of the cylinder is equidistantly penetrated with slurry outlet holes, a blocking column is arranged at the bottom of the cylinder, a vertical rod is rotatably connected to the inside of the blocking column through a bearing, a turbine blade is fixed to the top of the vertical rod located inside the cylinder through a flat key, and a cleaning component is arranged on the outside of the vertical rod located inside the cylinder;

[0005] The cleaning assembly comprises a fixing sleeve which is equidistantly sleeved on the outside of the vertical pole through a flat key, a connecting plate is equidistantly welded on the outside of the fixing sleeve, and a wiping brush is fixed to one end of the connecting plate through a bolt.

[0006] By adopting the above technical solution, when the slurry enters the cylinder, it can drive the turbine blades to rotate, and the rotation of the turbine blades drives the vertical rod to rotate;

[0007] The rotation of the vertical rod drives the fixed sleeve and the connecting plate on its outer side to rotate. The rotation of the connecting plate cleans the slurry outlet hole through a wiping brush, so that the slurry will not be blocked in the slurry outlet hole and the grouting efficiency will not be affected.

[0008] Specifically, a slurry inlet pipe is welded to the top of the cylinder, and a first thread groove is provided on the outer side of the slurry inlet pipe.

[0009] By adopting the above technical solution, the provision of the slurry inlet pipe and the first threaded groove facilitates the connection of the grouting pump outlet pipe thereto, so that the slurry can be transported into the cylinder.

[0010] Specifically, an air inlet pipe is welded to the top of the cylinder body on one side of the slurry inlet pipe, and a one-way valve is connected to the top of the air inlet pipe through a threaded groove.

[0011] By adopting the above technical solution, the provision of the air inlet pipe and the one-way valve facilitates the entry of external compressed air into the cylinder.

[0012] Specifically, a waterproof rubber sleeve is provided on the outer side of the cylinder, and the slurry outlet hole passes through the waterproof rubber sleeve.

[0013] Specifically, a second thread groove is provided at the bottom inner side of the cylinder, and external thread teeth are provided at the top outer side of the blocking column.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model discloses a grouting device for a PHC pile. When the slurry enters the barrel, the turbine blades can be pushed to drive the vertical rod to rotate. The vertical rod rotation drives the fixed sleeve and the connecting plate on the outside to rotate. The connecting plate rotates to clean the slurry outlet through a wiping brush, so that the slurry will not be blocked in the slurry outlet and the grouting efficiency will not be affected.

[0016] (2) In the grouting device for PHC piles described in the utility model, slurry flows into the barrel through a slurry inlet pipe, and the slurry in the barrel is sprayed out from a plurality of slurry outlet holes for grouting. External compressed air can enter the barrel through the air inlet pipe to provide pressure inside the barrel, thereby increasing the slurry spraying pressure.

[0017] (3) In the grouting device for a PHC pile described in the utility model, the plugging column is screwed to the bottom end of the barrel through the external thread teeth and the second thread groove, and can be disassembled, so as to facilitate the maintenance and replacement of the vertical rod, the fixing sleeve, the wiping brush, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic cross-sectional view of the cylinder of the utility model;

[0021] Figure 3 This is a schematic diagram of the pole structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the cleaning component structure of the utility model;

[0023] In the figure: 1. Cylinder; 2. Sealing column; 3. Vertical pole; 4. Cleaning assembly; 401. Fixing sleeve; 402. Connecting plate; 403. Wiping brush; 5. Turbine blade; 6. Waterproof rubber sleeve; 7. Slurry outlet hole; 8. Slurry inlet pipe; 9. Air inlet pipe; 10. One-way valve; 11. First thread groove; 12. External thread teeth; 13. Second thread groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] The grouting holes can be cleaned inside the grouting device to prevent the slurry from clogging the grouting holes and affecting the grouting efficiency. Figure 1-4 As shown, a grouting device for a PHC pile according to the utility model comprises a cylinder 1, wherein the outer surface of the cylinder 1 is equidistantly penetrated with slurry outlet holes 7, a blocking column 2 is arranged at the bottom of the cylinder 1, a vertical rod 3 is rotatably connected to the inside of the blocking column 2 through a bearing, a turbine blade 5 is fixed to the top of the vertical rod 3 located inside the cylinder 1 through a flat key, and a cleaning component 4 is arranged on the outside of the vertical rod 3 located inside the cylinder 1;

[0026] The cleaning assembly 4 includes a fixing sleeve 401 which is equidistantly sleeved on the outside of the upright pole 3 through a flat key, and a connecting plate 402 is equidistantly welded to the outside of the fixing sleeve 401, and a wiping brush 403 is fixed to one end of the connecting plate 402 through a bolt.

[0027] When the slurry enters the cylinder 1, it can drive the turbine blades 5 to rotate, and the rotation of the turbine blades 5 drives the vertical rod 3 to rotate;

[0028] The rotation of the upright pole 3 drives the fixed sleeve 401 and the connecting plate 402 on its outer side to rotate. The connecting plate 402 rotates to clean the slurry outlet hole 7 through the wiping brush 403, so that the slurry will not be blocked in the slurry outlet hole 7 and the grouting efficiency will not be affected.

[0029] For example, Figure 1 As shown, the utility model also includes that a slurry inlet pipe 8 is welded to the top of the cylinder 1, and a first thread groove 11 is opened on the outer side of the slurry inlet pipe 8.

[0030] When in use, the arrangement of the slurry inlet pipe 8 and the first thread groove 11 facilitates the connection of the grouting pump discharge pipe thereto, so that the slurry can be transported into the barrel 1 .

[0031] For example, Figure 1 As shown, the utility model also includes that an air inlet pipe 9 is welded to the top of the cylinder 1 on one side of the slurry inlet pipe 8, and a one-way valve 10 is connected to the top of the air inlet pipe 9 through a threaded groove.

[0032] When in use, the air inlet pipe 9 is provided to facilitate the flow of external compressed air into the cylinder 1 , and the one-way valve 10 is provided to prevent the compressed air entering the cylinder 1 from flowing back.

[0033] For example, Figure 1 As shown, the utility model also includes that a waterproof rubber sleeve 6 is provided on the outer side of the cylinder 1 , and the slurry outlet hole 7 passes through the waterproof rubber sleeve 6 .

[0034] When in use, the waterproof rubber sleeve 6 can reduce the contact between the cylinder body 1 and water, thereby preventing the outer side of the cylinder body 1 from rusting.

[0035] For example, Figure 2 , Figure 3 As shown, the utility model also includes that a second thread groove 13 is provided at the inner bottom end of the cylinder 1 , and an external thread tooth 12 is provided at the outer top end of the blocking column 2 .

[0036] When in use, the blocking column 2 is conveniently fixed to the bottom end of the cylinder 1 through the external thread teeth 12 and the second thread groove 13 .

[0037] When the utility model is used, the discharge pipe of the external grouting pump is connected to the slurry inlet pipe 8 through the first thread groove 11, and the air outlet end of the external air compressor is connected to the one-way valve 10 through a pipeline;

[0038] The external grouting pump works to make the slurry flow into the cylinder 1 through the slurry inlet pipe 8, and the slurry entering the cylinder 1 is ejected from multiple slurry outlet holes 7 to perform grouting. External compressed air can enter the cylinder 1 through the air inlet pipe 9 to provide pressure inside the cylinder 1 and increase the slurry injection pressure.

[0039] When the slurry enters the cylinder 1, the turbine blades 5 can be pushed to drive the vertical rod 3 to rotate, and the vertical rod 3 rotates to drive the fixed sleeve 401 and the connecting plate 402 on its outer side to rotate, and the connecting plate 402 rotates to clean the slurry outlet hole 7 through the wiping brush 403, so that the slurry will not be blocked in the slurry outlet hole 7, and the grouting efficiency will not be affected;

[0040] The blocking column 2 is screwed to the bottom end of the cylinder 1 through the external thread teeth 12 and the second thread groove 13, and can be disassembled to facilitate the maintenance and replacement of the upright rod 3, the fixing sleeve 401, the wiping brush 403, etc.;

[0041] The outer side of the cylinder 1 is sleeved with a waterproof rubber sleeve 6, which can reduce the contact area between the cylinder 1 and water, making the outer side of the cylinder 1 less likely to rust.

[0042] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the present utility model, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection;

[0044] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A grouting device for a PHC pile, characterized in that: The invention comprises a cylinder (1), wherein the outer surface of the cylinder (1) is provided with slurry outlet holes (7) at equal intervals, a blocking column (2) is arranged at the bottom of the cylinder (1), a vertical rod (3) is rotatably connected to the inside of the blocking column (2) via a bearing, a turbine blade (5) is fixed to the top of the vertical rod (3) located inside the cylinder (1) via a flat key, and a cleaning component (4) is arranged on the outside of the vertical rod (3) located inside the cylinder (1); The cleaning assembly (4) comprises a fixing sleeve (401) which is equidistantly sleeved on the outside of the vertical pole (3) via a flat key, a connecting plate (402) is equidistantly welded to the outside of the fixing sleeve (401), and a wiping brush (403) is fixed to one end of the connecting plate (402) via a bolt.

2. A grouting device for a PHC pile according to claim 1, characterized in that: A slurry inlet pipe (8) is welded to the top end of the cylinder (1), and a first thread groove (11) is provided on the outer side of the slurry inlet pipe (8).

3. A grouting device for a PHC pile according to claim 1, characterized in that: An air inlet pipe (9) is welded to the top end of the cylinder (1) located on one side of the slurry inlet pipe (8), and a one-way valve (10) is connected to the top end of the air inlet pipe (9) via a threaded groove.

4. A grouting device for a PHC pile according to claim 1, characterized in that: A waterproof rubber sleeve (6) is provided on the outside of the cylinder (1), and the slurry outlet hole (7) passes through the waterproof rubber sleeve (6).

5. A grouting device for a PHC pile according to claim 1, characterized in that: A second thread groove (13) is provided at the inner bottom end of the cylinder (1), and external thread teeth (12) are provided at the outer top end of the blocking column (2).

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