Five-axis cement mixing pile device

Abstract

The utility model relates to a five-axis cement-soil mixing pile device which comprises a drill rod, first grouting holes, a plurality of cement-soil mixing piles and a plurality of cement-soil mixing piles. The inner ring of the bearing is sleeved on the drill rod; the hoops are tightly hooped on the bearings, and the lugs of every two adjacent hoops are tightly attached to each other; the connecting plates cover the lugs tightly attached to the two adjacent hoops; the bolt and nut assembly is used for fastening the convex lugs on the outer sides of the hoops at the side positions and fastening the connecting plates and the convex lugs tightly attached to the two adjacent hoops; the blades are distributed on the drill rod at intervals up and down; a second grouting hole is formed in the surface of the guniting hole sheath to be communicated with the first grouting hole, the guniting hole sheath is arranged on the drill rod in a sleeving mode, and grooves which are oppositely spaced are formed in the upper end and the lower end of the guniting hole sheath; the limiting sleeves are fixed to the drill rod and located on the upper side and the lower side of the guniting hole protective sleeve, and the lower ends or the upper ends of the limiting sleeves are provided with protruding blocks which are oppositely arranged at intervals and stretch into the grooves of the guniting hole protective sleeve. The folding table is convenient to assemble and disassemble, convenient to assemble and disassemble, and beneficial to turnover and cleaning.

Description

Technical Field

[0001] The utility model relates to the field of mixing piles, in particular to a five-axis soil-cement mixing pile device. Background Art

[0002] As the Chinese utility model CN 206681027 U discloses an intelligent control system for cut-off wall construction, which uses a five-axis soil-cement mixing pile. Since the mixing pile consists of five side-by-side ones, it is difficult to install and disassemble, not easy to clean, and not conducive to turnover. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a five-axis soil-cement mixing pile device which is convenient for installation and disassembly, easy to assemble and disassemble, and conducive to turnover and cleaning.

[0004] To solve the above problems, a five-axis soil-cement mixing pile device is adopted, which includes:

[0005] A drill pipe, which is hollow and has a row of roots arranged at intervals. Its lower end is a drill bit, and the first grouting holes are distributed at intervals up and down.

[0006] A bearing, whose inner ring is sleeved on the drill pipe.

[0007] A hoop, which is tightened on the bearing, and the lugs of two adjacent hoops are in close contact.

[0008] A connecting plate, which covers the lugs of two adjacent hoops in close contact.

[0009] A bolt-nut assembly, which fastens the outer lugs of the hoops at the side position, and fastens the connecting plate and the lugs of two adjacent hoops in close contact.

[0010] Blades, which are distributed at intervals up and down on the drill pipe.

[0011] A grouting hole sheath, whose surface is provided with second grouting holes to communicate with the first grouting holes. It is sleeved on the drill pipe, and grooves are arranged at intervals at both its upper and lower ends.

[0012] A limit sleeve, which is fixed on the drill pipe and is located on the upper and lower sides of the grouting hole sheath. Relative intervals of protrusions are arranged at the lower end or the upper end of the limit sleeve and extend into the grooves of the grouting hole sheath.

[0013] With such a structure, the splicing of adjacent drill pipes is realized through the bolt-nut assembly, the hoop and the connecting plate, which is convenient for installation and disassembly; the grouting hole sheath can rotate relative to the limit sleeve to close and open the first grouting hole to prevent the first grouting hole of the drill pipe from being blocked by foreign matters before use.

[0014] As a further improvement of the utility model, the drill bit is a pointed head or a spiral mixing blade.

[0015] With such a structure, the excavation effects of various different forms of drill bits are better.

[0016] As a further improvement of the present utility model, blades are also distributed on the surface of the slurry spraying hole sheath.

[0017] The blades adopt symmetric straight blades, and the straight blades are inclined.

[0018] With such a structure, the blades on the surface of the slurry spraying hole sheath further improve the stirring performance.

[0019] As a further improvement of the present utility model, a bolt is inserted through the limit sleeve, and the bolt is threadedly connected to the limit sleeve and the slurry spraying hole sheath. Corresponding limit blind holes are provided at both ends of the bottom surface of the groove of the slurry spraying hole sheath.

[0020] With such a structure, the bolt can tighten the limit sleeve and the slurry spraying hole sheath.

[0021] As a further improvement of the present utility model, a screw rod is welded to the bolt head of the bolt, the upper end of the screw rod is threadedly connected to a cap, and a threaded blind hole is provided in the cap to be connected to the screw rod.

[0022] With such a structure, the cap prevents foreign objects from entering and affecting the subsequent rotation of the bolt.

[0023] As a further improvement of the present utility model, a sealing ring is provided between the cap and the limit sleeve. A ring groove is provided on the sealing ring for the lower side of the cap to extend into, and the cap presses the sealing ring on the limit sleeve.

[0024] With such a structure, the sealing ring further improves the sealing effect of the cap.

[0025] The present utility model is convenient for installation and disassembly, easy to assemble and disassemble, and is beneficial to turnover and cleaning. Description of the Drawings

[0026] Figure 1 It is a schematic structural diagram of the embodiment.

[0027] Figure 2 It is a schematic structural diagram of the drill pipe.

[0028] Figure 3 It is a schematic structural diagram of the slurry spraying hole sheath.

[0029] Figure 4 It is a schematic enlarged partial structural diagram of the slurry spraying hole sheath.

[0030] Figure 5 It is a schematic structural diagram of the cap.

[0031] Reference numerals: 1, drill pipe; 101, drill bit; 102, first grouting hole; 2, bearing; 3, hoop; 4, connecting plate; 5, bolt and nut assembly; 6, blade; 7, grout injection hole sheath; 701, second grouting hole; 702, groove; 703, limiting blind hole; 8, limiting sleeve; 801, convex block; 9, bolt; 10, cap; 11, screw rod; 12, sealing ring; 121, annular groove. Detailed implementation manners

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0034] Embodiment 1

[0035] As Figures 1-5 shown, a five-axis cement-soil mixing pile device is convenient for installation and disassembly, easy to assemble and disassemble, and is beneficial to turnover and cleaning.

[0036] In order to solve the above problems, a five-axis cement-soil mixing pile device is adopted, which includes:

[0037] A drill pipe 1, which is hollow and has a row of 5 pipes arranged at intervals. Its lower end is a drill bit 101, and first grouting holes 102 are distributed at intervals up and down.

[0038] A bearing 2, the inner ring of which is sleeved on the drill pipe 1.

[0039] The hoop 3 is clamped on the bearing 2, and the lugs of two adjacent hoops 3 are in close contact;

[0040] The connecting plate 4 covers the lugs of two adjacent hoops 3 in close contact;

[0041] The bolt-nut assembly 5 fastens the outer lugs of the hoops at the side position, as well as fastens the connecting plate 4 and the lugs of two adjacent hoops 3 in close contact;

[0042] The blades 6 are distributed at intervals above and below on the drill pipe 1;

[0043] The grouting hole sheath 7 has a second grouting hole 701 opened on its surface to communicate with the first grouting hole 102, it is sleeved on the drill pipe 1, and relatively spaced grooves 702 are provided at both the upper and lower ends thereof;

[0044] The limit sleeve 8 is fixed on the drill pipe 1 and is located on the upper and lower sides of the grouting hole sheath 7. Relatively spaced protrusions 801 are provided at the lower end or the upper end of the limit sleeve 8 and extend into the grooves 702 of the grouting hole sheath 7.

[0045] With such a structure, the splicing of adjacent drill pipes 1 is realized through the bolt-nut assembly 5, the hoop 3 and the connecting plate 4, which is convenient for installation and disassembly; the grouting hole sheath 7 can rotate relative to the limit sleeve 8 to close and open the first grouting hole 102 to prevent the first grouting hole 102 of the drill pipe 1 from being blocked by foreign matters before use.

[0046] In this embodiment, the drill bit 101 is a pointed head or a spiral stirring blade.

[0047] With such a structure, the excavation effect of various different forms of drill bits is better.

[0048] In this embodiment, the blades 6 are also distributed on the surface of the grouting hole sheath 7.

[0049] The blades 6 are symmetric straight blades, and the straight blades are inclined.

[0050] With such a structure, the blades 6 on the surface of the grouting hole sheath 7 further improve the stirring performance.

[0051] In this embodiment, a bolt 9 is inserted through the limit sleeve 8, and the bolt 9 is threadedly connected to the limit sleeve 8 and the grouting hole sheath 7. Corresponding limit blind holes 703 are provided at both ends of the bottom surface of the groove 702 of the grouting hole sheath 7.

[0052] With such a structure, the bolt 9 can tighten the limit sleeve 8 and the grouting hole sheath 7.

[0053] In this embodiment, a screw rod 11 is welded to the bolt head of the bolt 9, the upper end of the screw rod 11 is threadedly connected to a cap 10, and a threaded blind hole is provided in the cap 10 to connect with the screw rod 11.

[0054] With such a structure, the cap 10 prevents foreign objects from entering and affecting the subsequent rotation of the bolt.

[0055] In this embodiment, a sealing ring 12 is provided between the cap 10 and the limit sleeve 8. A ring groove 121 is provided on the sealing ring 12 for the lower side of the cap 10 to extend into, and the cap 10 presses the sealing ring 12 against the limit sleeve 8.

[0056] With such a structure, the sealing ring 12 further improves the sealing effect of the cap 10.

[0057] The utility model is convenient for installation and disassembly, easy to assemble and disassemble, conducive to turnover and cleaning. In this embodiment, the number of rows of stirring blades is increased, and a process combining symmetric straight blades and full-section spiral stirring blades is adopted to enhance the stirring effect and improve the stirring times and uniformity.

[0058] The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the utility model is only limited to these descriptions. For those skilled in the technical field to which the utility model belongs, without departing from the concept of the utility model, several equivalent substitutions or obvious modifications can still be made, and as long as the performance or use is the same, they should all be regarded as falling within the protection scope of the utility model.

Claims

1. A five-axis soil-cement mixing pile device, characterized in that Including: Drill pipes (1), which are hollow and arranged in a row of five at intervals. The lower end thereof is a drill bit (101), and first grouting holes (102) are distributed at intervals up and down thereon. Bearings (2), the inner rings of which are sleeved on the drill pipes (1). Hoop clamps (3), which are clamped tightly on the bearings (2), and the lugs of adjacent two hoop clamps (3) are in close contact. Connecting plates (4), which cover the lugs in close contact of adjacent two hoop clamps (3). Bolt and nut assemblies (5), which fasten the outer lugs of the hoop clamps at the side positions, and fasten the connecting plates (4) and the lugs in close contact of adjacent two hoop clamps (3). Blades (6), which are distributed at intervals up and down on the drill pipes (1). Grout spraying hole sheaths (7), on the surfaces of which second grouting holes (701) are opened to communicate with the first grouting holes (102). The grout spraying hole sheaths (7) are sleeved on the drill pipes (1), and grooves (702) with relative intervals are arranged at both the upper and lower ends thereof. Limit sleeves (8), which are fixed on the drill pipes (1) and located on the upper and lower sides of the grout spraying hole sheaths (7). Relatively spaced protrusions (801) are arranged at the lower end or the upper end of the limit sleeves (8) and extend into the grooves (702) of the grout spraying hole sheaths (7).

2. The five-axis cement-soil mixing pile device according to claim 1, characterized in that The drill bit (101) is a pointed head or a spiral stirring blade.

3. The five-axis soil-cement mixing pile device according to claim 1, wherein Blades (6) are also distributed on the surfaces of the grout spraying hole sheaths (7).

4. The five-axis soil-cement mixing pile device according to claim 1, characterized in that Bolts (9) are inserted through the limit sleeves (8), and the bolts (9) are threadedly connected to the limit sleeves (8) and the grout spraying hole sheaths (7). Corresponding limit blind holes (703) are arranged at both ends of the bottom surfaces of the grooves (702) of the grout spraying hole sheaths (7).

5. The five-axis cement-soil mixing pile device according to claim 4, characterized in that Screws (11) are welded to the bolt heads of the bolts (9). The upper ends of the screws (11) are threadedly connected to caps (10), and threaded blind holes are arranged in the caps (10) to be connected with the screws (11).

6. The five-axis soil-cement mixing pile device according to claim 5, characterized in that Sealing rings (12) are arranged between the caps (10) and the limit sleeves (8). Ring grooves (121) are arranged on the sealing rings (12) for the lower sides of the caps (10) to extend into, and the caps (10) press the sealing rings (12) tightly on the limit sleeves (8).

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