Cement-soil mixing pile device

By designing a cement soil mixing pile device including the first drill rod body, the second drill rod body and the disassembly mechanism, the problem of replacement of damaged parts in the prior art is solved, rapid disassembly and assembly and replacement are realized, and use is improved convenience.

CN222525341UActive Publication Date: 2025-02-25AVIC GEOTECHN ENG INST +1
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Patent Information

Application Number
CN202421088590.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-02-25
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

When the existing cement soil mixing pile device is working, since each rod is connected by flange, it is necessary to use a large number of screws to fix it, which makes it more troublesome and time-consuming to replace the damaged part, and is inconvenient to use.

Method used

A cement soil mixing pile device is designed, including a first drill rod body, a second drill rod body and a disassembly mechanism. The disassembly mechanism realizes the rapid disassembly and assembly of the first drill rod body and the second drill rod body through structures such as limiting plates, limiting springs, clamps and fastening bolts.

Benefits of technology

Through the design of the disassembly mechanism, the drill rod body and the extension rod can be quickly disassembled and installed, which significantly saves time to replace the damaged part and improves the convenience of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222525341U_ABST
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Abstract

The utility model relates to a cement mixing pile device which comprises a first drill rod body, a drill bit is arranged at the bottom of the first drill rod body, a second drill rod body is arranged at the top of the first drill rod body, mixing blades are arranged outside the first drill rod body, and a dismounting mechanism is arranged at the top of the first drill rod body. The dismounting mechanism comprises a first limiting plate, a second limiting plate, a containing groove, a limiting spring, a transverse plate, a clamping block, an inserting rod, a positioning block, a baffle and a fastening bolt. According to the cement-soil mixing pile device, when a first drill rod body or a second drill rod body is damaged, a user rotates a fastening bolt, at the moment, a first limiting plate and a second limiting plate are loosened, then a limiting spring resets to push a transverse plate to move upwards, a clamping block is ejected out of a containing groove, at the moment, the second drill rod body is pulled upwards, and a positioning block retreats from a positioning groove; the first drill rod body and the second drill rod body can be separated, and a user can replace the damaged part.
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Description

Technical Field

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

[0002] Cement-soil mixing piles are a method used to reinforce saturated soft clay foundations. They use cement as a curing agent and a special mixing machine to force the soft soil and curing agent to mix deep in the foundation. A series of physical and chemical reactions between the curing agent and the soft soil are used to harden the soft soil into a high-quality foundation with integrity, water stability and a certain strength.

[0003] For example, a Chinese patent announcement number CN209742804U is a special drill rod for single-axis double-tube high-pressure jet mixing composite piles. The utility model includes a first drill rod, a second drill rod and a third drill rod, which are fixedly connected by flanges from top to bottom in sequence. The first drill rod, the second drill rod and the third drill rod are all provided with a core tube outside the central tube, a plurality of mixing blades are fixed on the outer wall of the core tube of the second drill rod, and a plurality of spiral blades are fixed on the outer wall of the core tube of the third drill rod; when the drill rod is damaged at one part, only that section of the drill rod needs to be replaced, saving costs, but when the drill rod is working, each rod is connected by a flange, and a large number of screws need to be used for fixing, which makes it troublesome and time-consuming to replace the damaged part of the drill rod, and it is very inconvenient to use, so a cement soil mixing pile device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a cement-soil mixing pile device, which has the advantage of more convenient replacement of drill rods and drill bits, and solves the problem that when the drill rod is working, each rod is connected by a flange and needs to be fixed with a large number of screws, which makes the replacement of damaged parts of the drill rod troublesome and time-consuming, and is very inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement soil mixing pile device, comprising a first drill rod body, a drill bit is arranged at the bottom of the first drill rod body, a second drill rod body is arranged at the top of the first drill rod body, a mixing blade is arranged outside the first drill rod body, and a disassembly mechanism is arranged at the top of the first drill rod body;

[0006] The disassembly mechanism includes a first limit plate, a second limit plate, a receiving groove, a limit spring, a cross plate, a clamping block, an insertion rod, a positioning block, a baffle and a fastening bolt. The first limit plate is fixedly installed on the top of the first drill rod body, and the second limit plate is fixedly installed on the bottom of the second drill rod body. Two receiving grooves are opened inside the first limit plate, and a limit spring is fixedly installed inside the receiving groove. The top of the limit spring is fixedly installed with a cross plate, the bottom of the second limit plate is fixedly installed with a clamping plate, the top of the first limit plate is fixedly installed with an insertion rod, the top of the first limit plate is fixedly installed with a positioning block, the left and right sides of the first limit plate are fixedly installed with baffles, and the top of the baffle is provided with fastening bolts.

[0007] Furthermore, a limiting ring is sleeved on the outside of the first drill rod body, a reinforcing rod is fixedly installed on the outside of the first drill rod body, and a side of the reinforcing rod away from the first drill rod body is interconnected with the inner wall of the limiting ring.

[0008] Furthermore, two connecting rods are fixedly mounted on the bottom of the limiting ring, and the bottoms of the two connecting rods are respectively connected to the left and right sides of the first drill rod body.

[0009] Furthermore, crushing blades are fixedly mounted on the outside of the two connecting rods, the first limiting plate and the second limiting plate are fitted with each other, and the bottoms of the two clamping blocks extend to the inside of the two accommodating grooves respectively.

[0010] Furthermore, two slots are provided inside the second limiting plate, and the tops of the two insertion rods extend into the two slots respectively. A positioning groove is provided inside the second limiting plate.

[0011] Furthermore, the positioning block extends to the inside of the positioning groove from one side away from the first limit plate. There are two groups of baffles, each group has two baffles. The two groups of baffles are respectively located outside the first limit plate and the second limit plate. An extension rod is connected to the top of the second drill pipe body.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The cement soil mixing pile device is connected to the drill bit by setting the first drill rod body, and the mixing blade is conveniently fixed by setting the second drill rod body. By setting the disassembly mechanism, the various structures of the disassembly structure cooperate with each other, so that the first drill rod body, the second drill rod body and the extension rod can be quickly disassembled and assembled, making it more convenient to disassemble and replace the damaged parts, and better saving time.

[0014] 2. The cement-soil mixing pile device is provided with a first limit plate and a second limit plate. When the first limit plate and the second limit plate fit together, the first drill rod body and the second drill rod body can be aligned more quickly. The limit spring is fixed by providing a receiving groove. When the first limit plate and the second limit plate fit together, the clamping block will enter the receiving groove and squeeze the limit spring to make the first limit plate and the second limit plate fit more closely. By providing an insertion rod and a positioning block, when the clamping block enters the receiving groove, the insertion rod will enter the slot, and the positioning block will enter the positioning groove, thereby ensuring that the first limit plate and the second limit plate are closed more tightly. Finally, the fastening bolt is turned to make the first limit plate and the second limit plate more firmly connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a partial three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the disassembly mechanism of the utility model.

[0018] In the figure: 1 a first drill rod body, 2 a drill bit, 3 a second drill rod body, 4 a stirring blade, 5 a disassembly mechanism, 501 a first limit plate, 502 a second limit plate, 503 a receiving groove, 504 a limit spring, 505 a cross plate, 506 a block, 507 a plug rod, 508 a positioning block, 509 a baffle, 510 a fastening bolt, 6 a limit ring, 7 a crushing blade, and 8 an extension rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 A cement soil mixing pile device comprises a first drill rod body 1, a drill bit 2 is arranged at the bottom of the first drill rod body 1, a second drill rod body 3 is arranged at the top of the first drill rod body 1, a mixing blade 4 is arranged outside the first drill rod body 1, and a disassembly mechanism 5 is arranged at the top of the first drill rod body 1;

[0021] The disassembly mechanism 5 includes a first limit plate 501, a second limit plate 502, a receiving groove 503, a limit spring 504, a cross plate 505, a block 506, a plug rod 507, a positioning block 508, a baffle 509 and a fastening bolt 510. The first limit plate 501 is fixedly installed on the top of the first drill rod body 1, and the second limit plate 502 is fixedly installed on the bottom of the second drill rod body 3. Two receiving grooves 503 are opened inside the first limit plate 501. A limit spring 504 is fixedly installed inside the accommodating groove 503, a horizontal plate 505 is fixedly installed on the top of the limit spring 504, a clamping plate 506 is fixedly installed on the bottom of the second limit plate 502, an insert rod 507 is fixedly installed on the top of the first limit plate 501, a positioning block 508 is fixedly installed on the top of the first limit plate 501, baffles 509 are fixedly installed on the left and right sides of the first limit plate 501, and a fastening bolt 510 is arranged on the top of the baffle 509.

[0022] exist Figure 1 and Figure 2 In the figure, the outer part of the first drill rod body 1 is sleeved with a limit ring 6, and the outer part of the first drill rod body 1 is fixedly installed with a reinforcement rod, and the side of the reinforcement rod away from the first drill rod body 1 is connected to the inner wall of the limit ring 6. By setting the limit ring 6 to support the crushing blade 7, the mixing range is expanded, and the mixing efficiency of cement soil is accelerated.

[0023] exist Figure 1 and Figure 2 In the embodiment, two connecting rods are fixedly mounted on the bottom of the limiting ring 6 , and the bottoms of the two connecting rods are respectively connected to the left and right sides of the first drill pipe body 1 .

[0024] exist Figure 1 and Figure 3 In the figure, crushing blades 7 are fixedly installed on the outside of the two connecting rods. By setting a disassembly mechanism 5, the various structures of the disassembly structure 5 cooperate with each other, so that the first drill rod body 1, the second drill rod body 3 and the extension rod 8 can be quickly disassembled and assembled, making it more convenient to disassemble and replace the damaged parts, and better saving time. The first limit plate 501 and the second limit plate 502 are fitted together, and the bottoms of the two blocks 506 extend to the inside of the two accommodating grooves 503 respectively.

[0025] exist Figure 2 and Figure 3 In the figure, two slots are opened inside the second limit plate 502, and the tops of the two insertion rods 507 extend into the two slots respectively. A positioning groove is opened inside the second limit plate 502. By setting the first limit plate 501 and the second limit plate 502, when the first limit plate 501 and the second limit plate 502 are fitted together, the first drill rod body 1 and the second drill rod body 3 can be aligned more quickly.

[0026] exist Figure 2 and Figure 3 In the figure, the positioning block 508 extends to the inside of the positioning groove from one side away from the first limit plate 501. There are two groups of baffles 509, and each group of baffles 509 has two baffles. The two groups of baffles 509 are respectively located outside the first limit plate 501 and the second limit plate 502. An extension rod 8 is connected to the top of the second drill pipe body 3.

[0027] To sum up, in the cement-soil mixing pile device, when the first drill rod body 1 or the second drill rod body 3 is damaged, the user rotates the fastening bolt 510, and the first limit plate 501 and the second limit plate 502 are loosened. Then the limit spring 504 is reset to push the cross plate 505 to move upward, and the blocking block 506 is pushed out of the accommodating groove 503. At this time, the second drill rod body 3 is pulled upward to make the positioning block 508 withdraw from the positioning groove, and the first drill rod body 1 and the second drill rod body 3 can be separated, and the user can replace the damaged part. The same operation can be used to replace the extension rod 8.

[0028] The electrical components appearing in this article are all connected to the external controller and 220V AC power, and the controller can be a conventional known device that plays a control role such as a computer. The specific model specifications of each device in this article need to be selected and determined based on the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cement soil mixing pile device, comprising a first drill rod body (1), characterized in that: A drill bit (2) is arranged at the bottom of the first drill rod body (1), a second drill rod body (3) is arranged at the top of the first drill rod body (1), a stirring blade (4) is arranged outside the first drill rod body (1), and a disassembly mechanism (5) is arranged at the top of the first drill rod body (1); The disassembly mechanism (5) comprises a first limiting plate (501), a second limiting plate (502), a receiving groove (503), a limiting spring (504), a transverse plate (505), a clamping block (506), an inserting rod (507), a positioning block (508), a baffle (509) and a fastening bolt (510); the first limiting plate (501) is fixedly mounted on the top of the first drill rod body (1); the second limiting plate (502) is fixedly mounted on the bottom of the second drill rod body (3); two receiving grooves (503) are provided inside the first limiting plate (501); A limit spring (504) is fixedly installed inside the accommodating groove (503), a horizontal plate (505) is fixedly installed on the top of the limit spring (504), a clamping block (506) is fixedly installed on the bottom of the second limit plate (502), an insertion rod (507) is fixedly installed on the top of the first limit plate (501), a positioning block (508) is fixedly installed on the top of the first limit plate (501), baffles (509) are fixedly installed on both the left and right sides of the first limit plate (501), and a fastening bolt (510) is arranged on the top of the baffle (509).

2. A cement soil mixing pile device according to claim 1, characterized in that: A limiting ring (6) is sleeved on the outside of the first drill rod body (1), and a reinforcing rod is fixedly installed on the outside of the first drill rod body (1), and the side of the reinforcing rod away from the first drill rod body (1) is interconnected with the inner wall of the limiting ring (6).

3. A cement soil mixing pile device according to claim 2, characterized in that: Two connecting rods are fixedly mounted on the bottom of the limiting ring (6), and the bottoms of the two connecting rods are respectively connected to the left and right sides of the first drill rod body (1).

4. A cement soil mixing pile device according to claim 3, characterized in that: A crushing blade (7) is fixedly mounted on the outside of the two connecting rods, the first limiting plate (501) and the second limiting plate (502) are fitted to each other, and the bottoms of the two clamping blocks (506) extend to the inside of the two containing grooves (503) respectively.

5. A cement soil mixing pile device according to claim 1, characterized in that: Two slots are provided inside the second limiting plate (502), the tops of the two insertion rods (507) extend into the two slots respectively, and a positioning groove is provided inside the second limiting plate (502).

6. A cement soil mixing pile device according to claim 5, characterized in that: The positioning block (508) extends to the inside of the positioning groove at a side away from the first limiting plate (501), and there are two groups of baffles (509), each group of baffles (509) has two baffles, and the two groups of baffles (509) are respectively located outside the first limiting plate (501) and the second limiting plate (502), and an extension rod (8) is connected to the top of the second drill pipe body (3).

Citation Information

Patent Citations

  • Special drill rod for single-shaft double-pipe high-pressure jet mixing composite pile

    CN209742804U