Pressurizing cast-in-place pile device

Abstract

The utility model discloses a pressurizing cast-in-place pile device which comprises a main body structure. The main body structure comprises a hopper, a plurality of groups of lengthening sections and a discharge head, and the hopper, the plurality of groups of lengthening sections and the discharge head are sequentially connected together from top to bottom through fixing screws; wherein a first spiral conveying rod is rotationally installed in the hopper, a second spiral conveying rod is rotationally installed in the lengthening section, a third spiral conveying rod is rotationally installed in the discharging head, and the first spiral conveying rod, the second spiral conveying rod and the third spiral conveying rod are sequentially connected together through keys. Through the design of a modularized main body structure, the building foundation cast-in-place pile can have good performance in the construction process of the building foundation cast-in-place pile, the building foundation cast-in-place pile can be used after being installed, the construction efficiency of the building foundation cast-in-place pile in the construction process is improved to a great extent, meanwhile, the number of sets of lengthening sections can be increased or decreased according to the using and pouring requirements so that the length of the device can be adjusted, and the construction efficiency is improved. The practicability and the application range of the device are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure grouting pile equipment, in particular to a pressure grouting pile device. Background Technique

[0002] At present, in infrastructure construction such as buildings, highways, and bridges, bored cast-in-place piles are one of the most common foundation forms. In China, cast-in-place piles began to be applied in the 1960s, mainly used in the foundations of large port buildings and bridges. Later, with the rapid rise of high-rise buildings in China, the requirements for foundations became higher and higher, and many of them chose to use them; with the development of the economy, the urban high-rise and large-scale development continued, the requirements for foundations became higher and higher, the awareness and requirements of the concept of environmental protection construction gradually increased, and more and more restrictive conditions were added to the pile foundation. Bored cast-in-place piles can be selected for different geological conditions, and the construction noise is small, the impact on nearby buildings is small, and there is no soil compaction effect, meeting the requirements of people for environmental protection in construction.

[0003] After retrieval, the Chinese patent application number is: CN202311143976.X, which discloses a cast-in-place pile, belonging to the technical field of cast-in-place piles, including a grouting pipe. A plurality of slurry outlet holes are opened on the outer peripheral surface of the grouting pipe. A water tank is arranged on one side of the grouting pipe. A water pump is arranged on the water tank. A water suction pipe is arranged at the water inlet of the water pump. One end of the water suction pipe far away from the water pump is inserted into the water tank. A water outlet pipe is arranged at the water outlet of the water pump. A fixed sleeve and a sliding sleeve are arranged in the grouting pipe. The fixed sleeve is located above the sliding sleeve. The sliding sleeve is slidably connected with the grouting pipe vertically. One end of the water outlet pipe far away from the water pump passes through the fixed sleeve. A grouting device for grouting into the grouting pipe is arranged on one side of the grouting pipe. This application has the effect of reducing the formation of air bubbles inside the pile body when the pile body solidifies and improving the quality of the pile body.

[0004] The above technical solution still has defects, that is, the pile body is an integral structure, resulting in low flexibility in use and inability to flexibly adjust the length of the pile body according to actual needs. Therefore, we need to propose a pressure grouting pile device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pressure grouting pile device. The device has a simple structure and is easy to use. Through the design of a modular main structure, it can have good performance in the construction of building foundation cast-in-place piles, that is, it can be used immediately, greatly improving the construction efficiency of building foundation cast-in-place piles in construction. At the same time, the number of extension sections can be increased or decreased according to the use grouting requirements to adjust the length of the device, greatly improving the practicability and application range of the device, so as to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pressure grouting pile device, comprising:

[0008] The main structure;

[0009] The main structure includes a hopper, several groups of extension joints and a discharge head, and the hopper, several groups of extension joints and the discharge head are sequentially connected together from top to bottom by fixing screws;

[0010] Among them, a first spiral conveyor is rotatably installed inside the hopper, a second spiral conveyor is rotatably installed inside the extension joint, a third spiral conveyor is rotatably installed inside the discharge head, and the first spiral conveyor, the second spiral conveyor and the third spiral conveyor are sequentially key-connected together.

[0011] Preferably, extension connection grooves are symmetrically opened at the upper end of the extension joint, and extension connection blocks are symmetrically arranged at the lower end of the extension joint.

[0012] Preferably, screw holes for installing fixing screws are opened in the extension connection grooves, through holes for the fixing screws to pass through are opened on the extension connection blocks, and adjacent extension joints are fixed together by fixing screws, extension connection blocks and extension connection grooves.

[0013] Preferably, feed connection blocks are symmetrically arranged at the bottom of the hopper, through holes for the fixing screws to pass through are opened on the feed connection blocks, and the feed connection blocks are adapted to the extension connection grooves of the uppermost extension joint.

[0014] Preferably, discharge connection grooves are symmetrically opened at the top of the discharge head, screw holes for installing fixing screws are opened in the discharge connection grooves, and the discharge connection grooves are adapted to the extension connection blocks of the lowermost extension joint.

[0015] Preferably, a first convex block is arranged at the center of the upper end of the second spiral conveyor, a second groove is arranged at the center of the lower end of the second spiral conveyor, and the second spiral conveyors of adjacent extension joints are key-connected together by the first convex block and the second groove.

[0016] Preferably, a first groove is arranged at the center of the lower end of the first spiral conveyor, and the first spiral conveyor and the second spiral conveyor of the uppermost extension joint are key-connected together by the first groove and the first convex block.

[0017] Preferably, a second convex block is arranged at the center of the upper end of the third spiral conveyor, and the third spiral conveyor and the second spiral conveyor of the lowermost extension joint are key-connected together by the second convex block and the second groove.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] The utility model provides a main structure including a hopper, several groups of extension sections and a discharge head. The hopper, several groups of extension sections and the discharge head are sequentially connected together by fixing screws. The first screw conveyor, the second screw conveyor and the third screw conveyor inside the hopper, several groups of extension sections and the discharge head are sequentially key-connected together. The device has a simple structure and is convenient to use. Through the modular design of the main structure, it can have good performance in the construction of building foundation cast-in-place piles, that is, it can be used immediately after installation, greatly improving the construction efficiency of building foundation cast-in-place piles during construction. At the same time, the number of groups of extension sections can be increased or decreased according to the pouring requirements to adjust the length of the device, greatly improving the practicability and application range of the device. Brief Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the utility model;

[0021] Figure 2 is a schematic structural diagram of the hopper of the utility model;

[0022] Figure 3 is a schematic structural diagram of the extension section of the utility model;

[0023] Figure 4 is a schematic structural diagram of the second screw conveyor of the utility model;

[0024] Figure 5 is a schematic structural diagram of the discharge head of the utility model.

[0025] In the figure: 1. Hopper; 2. Extension section; 3. Discharge head; 4. First screw conveyor; 5. First support; 6. Feed connection block; 7. First groove; 8. Second screw conveyor; 9. Second support; 10. First convex block; 11. Second groove; 12. Extension connection groove; 13. Extension connection block; 14. Third screw conveyor; 15. Third support; 16. Second convex block; 17. Discharge connection groove. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-5 , the present utility model provides a technical solution:

[0028] A pressurized cast-in-place pile device, including:

[0029] Main structure;

[0030] The main structure includes a hopper 1, several groups of extension sections 2, and a discharge head 3. The hopper 1, several groups of extension sections 2, and the discharge head 3 are sequentially connected together from top to bottom by fixing screws;

[0031] Specifically, please refer to Figure 2 , 3 and 5:

[0032] At the upper end of the extension section 2, extension connection grooves 12 are symmetrically provided. At the lower end of the extension section 2, extension connection blocks 13 are symmetrically arranged. Screw holes for installing fixing screws are provided in the extension connection grooves 12, and through holes for the fixing screws to pass through are provided on the extension connection blocks 13. Adjacent extension sections 2 are fixed together by fixing screws, extension connection blocks 13, and extension connection grooves 12. At the bottom of the hopper 1, feed connection blocks 6 are symmetrically arranged. Through holes for the fixing screws to pass through are provided on the feed connection blocks 6. The feed connection blocks 6 are adapted to the extension connection grooves 12 of the uppermost extension section 2. At the top of the discharge head 3, discharge connection grooves 17 are symmetrically provided. Screw holes for installing fixing screws are provided in the discharge connection grooves 17. The discharge connection grooves 17 are adapted to the extension connection blocks 13 of the lowermost extension section 2.

[0033] During use, the hopper and the extension section 2 can be connected through the cooperation of the feed connection blocks 6, the extension connection grooves 12 on the extension section 2, and the fixing screws; adjacent extension sections 2 can be connected through the cooperation of the extension connection blocks 13, the extension connection grooves 12, and the fixing screws; the extension section 2 and the discharge head 3 are connected through the cooperation of the extension connection blocks 13, the discharge connection grooves 17, and the fixing screws; it can be used immediately, greatly improving the construction efficiency of the building foundation cast-in-place pile during construction.

[0034] Please refer to Figures 2-5 :

[0035] Among them, a first screw conveyor 4 is rotatably installed inside the hopper 1, a second screw conveyor 8 is rotatably installed inside the extension section 2, and a third screw conveyor 14 is rotatably installed inside the discharge head 3. The first screw conveyor 4, the second screw conveyor 8, and the third screw conveyor 14 are sequentially key-connected together.

[0036] Specifically, a first convex block 10 is provided at the center of the upper end of the second screw conveyor rod 8, and a second groove 11 is provided at the center of the lower end of the second screw conveyor rod 8. The second screw conveyor rods 8 of adjacent extension sections 2 are connected together by key connection through the first convex block 10 and the second groove 11. A first groove 7 is provided at the center of the lower end of the first screw conveyor rod 4, and the first screw conveyor rod 4 and the second screw conveyor rod 8 of the extension section 2 at the uppermost end are connected together by key connection through the first groove 7 and the first convex block 10. A second convex block 16 is provided at the center of the upper end of the third screw conveyor rod 14, and the third screw conveyor rod 14 and the second screw conveyor rod 8 of the extension section 2 at the lowermost end are connected together by key connection through the second convex block 16 and the second groove 11.

[0037] During use, when the hopper 1 and the extension section 2 are combined, the first groove 7 at the lower end of the first screw conveyor rod 4 and the first convex block 10 at the upper end of the second bolt conveyor rod are connected by key; when adjacent extension sections 2 are combined, the adjacent second screw conveyor rods 8 are connected by key through the first convex block 10 and the second groove 11; when the extension section 2 and the discharge head 3 are combined, the second groove 11 at the lower end of the second screw conveyor rod 8 and the second convex block 16 at the upper end of the third screw conveyor rod 14 are connected by key;

[0038] When the upper end of the first screw conveyor rod 4 is combined with a motor for conveying concrete materials through a coupling, the motor can drive the first screw conveyor rod 4, the second screw conveyor rod 8, and the third screw conveyor rod 14 simultaneously, so as to realize the synchronous pressure perfusion of concrete materials while ensuring the unitized design of the device.

[0039] Among them, please refer to Figures 2-5 :

[0040] A first support 5 is arranged inside the hopper 1, a bearing is installed at the center of the first support 5, and the upper end of the first screw conveyor rod 4 is inserted and fixed in the inner ring of the bearing of the first support 5;

[0041] A second support 9 is arranged inside the extension section 2, a bearing is installed at the center of the second support 9, and the upper end of the second screw conveyor rod 8 is inserted and fixed in the inner ring of the bearing of the second support 9;

[0042] A third support 15 is arranged inside the discharge head 3, a bearing is installed at the center of the third support 15, and the upper end of the third screw conveyor rod 14 is inserted and fixed in the inner ring of the bearing of the third support 15.

[0043] Generally speaking, the device has a simple structure and is easy to use. Through the design of a modular main structure, it can have a good performance in the construction of building foundation cast-in-place piles, that is, it can be used immediately, greatly improving the construction efficiency of building foundation cast-in-place piles during construction. At the same time, the number of groups of the extension section 2 can be increased or decreased according to the use perfusion requirements to adjust the length of the device, greatly improving the practicability and application range of the device.

[0044] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A pressure grouting cast-in-place pile device, characterized in that, Including: Main body structure; The main body structure includes a hopper (1), several groups of extension sections (2) and a discharge head (3), and the hopper (1), several groups of extension sections (2) and the discharge head (3) are sequentially connected together from top to bottom by fixing screws; Among them, a first screw conveyor (4) is rotatably installed inside the hopper (1), a second screw conveyor (8) is rotatably installed inside the extension section (2), and a third screw conveyor (14) is rotatably installed inside the discharge head (3), and the first screw conveyor (4), the second screw conveyor (8) and the third screw conveyor (14) are sequentially key-connected together.

2. The pressure grouting cast-in-place pile device according to claim 1, characterized in that: Extension connection grooves (12) are symmetrically opened at the upper end of the extension section (2), and extension connection blocks (13) are symmetrically arranged at the lower end of the extension section (2).

3. The pressure grouting pile device according to claim 2, characterized in that: Screw holes for installing fixing screws are opened in the extension connection grooves (12), through holes for the fixing screws to pass through are opened on the extension connection blocks (13), and adjacent extension sections (2) are fixed together by fixing screws, extension connection blocks (13) and extension connection grooves (12).

4. The pressure grouting cast-in-place pile device according to claim 2, wherein: Feeding connection blocks (6) are symmetrically arranged at the bottom of the hopper (1), through holes for the fixing screws to pass through are opened on the feeding connection blocks (6), and the feeding connection blocks (6) are adapted to the extension connection grooves (12) of the extension section (2) at the uppermost end.

5. The pressure grouting pile device according to claim 2, characterized in that: Discharge connection grooves (17) are symmetrically opened at the top of the discharge head (3), screw holes for installing fixing screws are opened in the discharge connection grooves (17), and the discharge connection grooves (17) are adapted to the extension connection blocks (13) of the extension section (2) at the lowermost end.

6. The pressure grouting pile device according to claim 1, characterized in that: A first convex block (10) is arranged at the center of the upper end of the second screw conveyor (8), a second groove (11) is arranged at the center of the lower end of the second screw conveyor (8), and the second screw conveyors (8) of adjacent extension sections (2) are key-connected together by the first convex block (10) and the second groove (11).

7. The pressure grouting pile device according to claim 6, wherein: A first groove (7) is arranged at the center of the lower end of the first screw conveyor (4), and the first screw conveyor (4) and the second screw conveyor (8) of the extension section (2) at the uppermost end are key-connected together by the first groove (7) and the first convex block (10).

8. A pressure grouting cast-in-place pile device according to claim 6, characterized in that: A second convex block (16) is arranged at the center of the upper end of the third screw conveyor (14), and the third screw conveyor (14) and the second screw conveyor (8) of the extension section (2) at the lowermost end are key-connected together by the second convex block (16) and the second groove (11).

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