Multifunctional high-pressure jet grouting power device

Abstract

The utility model discloses a multifunctional high-pressure jet grouting power device which comprises a walking track, a track chassis and a mast, the walking track is arranged at the lower end of the track chassis, a cab is arranged at the front end of the track chassis, a winch is arranged at the front end of the cab, the mast is arranged on the winch, and a cathead is arranged at the upper end of the mast. A lifting motor is arranged at the lower end of one side of the cathead, the lower end of the lifting motor is connected with a power head box body, a power head output shaft is arranged at the lower end of the interior of the power head box body, and the lower end of the power head output shaft is connected with a high-pressure jet grouting drill rod. The power head output shaft comprises an upper reducing flange arranged at the upper end and a lower reducing flange arranged at the lower end, and the power head output shaft is used for providing horizontal rotating force for the high-pressure jet grouting drill rod; the high-pressure jet grouting drill rod has the advantages that the cost is saved, higher pressure is applied to the high-pressure jet grouting drill rod, and the high-pressure jet grouting drill rod can work efficiently in a hard stratum.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rigs, in particular to a multifunctional high-pressure rotary jetting power device. Background Art

[0002] High-pressure jet grouting is a new type of foundation reinforcement technology. The process is that the high-pressure jet grouting drill rod is first rotated downward to form a hole, and then the high-pressure jet grouting drill rod is rotated upward to be lifted. In this project, the high-pressure jet grouting slurry is sprayed out through the injection channel inside the high-pressure jet grouting drill rod and fully mixed with the mud to reinforce the foundation.

[0003] We have designed a high-efficiency and multifunctional high-pressure jet grouting power device based on this process. This device can add more pressure to the high-pressure jet grouting drill rod, so that it can maintain high efficiency even in hard formations. At the same time, this device is a multifunctional device that can be used for high-pressure jet grouting piles, high-pressure grouting, cement mixing, long spiral grouting, anti-floating anchors and other process constructions. It is truly a multifunctional device, saving costs for capital investment.

[0004] To this end, in response to the above problems, we propose a multifunctional high-pressure rotary jet power device. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a multifunctional high-pressure rotary jet power device that can maintain high-efficiency operation even in hard strata, so as to solve the deficiencies of the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional high-pressure rotary jet power device, which includes a walking track, a crawler chassis and a mast, the walking track is arranged at the lower end of the crawler chassis, a cab is arranged at the front end of the crawler chassis, a winch is arranged at the front end of the cab, the mast is arranged on the winch, an anchor frame is arranged at the upper end of the mast, a lifting motor is arranged at the lower end of one side of the anchor frame, the lower end of the lifting motor is connected to a power head box, a power head output shaft is arranged at the lower end of the power head box, and the lower end of the power head output shaft is connected to a high-pressure rotary jet drill rod.

[0007] Preferably, a guide rail is provided on one side of the mast, and the guide rail is slidably connected to a power head box.

[0008] Preferably, the power head output shaft includes an upper reducing flange arranged at the upper end and a lower reducing flange arranged at the lower end. The function of the power head output shaft is to provide horizontal rotational force for the high-pressure rotary jet drill rod. The power head output shaft is connected to the high-pressure rotary jet drill rod through the lower reducing flange. When replacing high-pressure rotary jet drill rods of different diameters, different lower reducing flanges can be matched.

[0009] Preferably, the upper end of the upper reducing flange is connected to a faucet, and the lower end of the lower reducing flange is connected to a high-pressure jet jet drill rod.

[0010] Preferably, various grouting liquids flow inside the faucet, and the inside of the faucet is connected to the output shaft of the power head and the high-pressure jet jet drill rod.

[0011] Preferably, a through hole is left at the lower end of the high-pressure jet-jet drill rod, so that various grouting liquids can be sprayed out, thereby achieving the mixing and stirring function of the grouting liquid and the mud.

[0012] Preferably, the lifting motor is connected to the mast via a rack and pinion, the lifting motor provides lifting and lowering force for the entire high-pressure rotary jet power device at the top, and is tightly connected to the power head box at the bottom.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model realizes greater pressurizing force on the high-pressure rotary jet drill rod by means of the power head output shaft arranged on the power head box body, so that the high-pressure rotary jet drill rod can maintain high-efficiency work in hard formations, and a through hole is left at the lower end of the high-pressure rotary jet drill rod, so that various construction processes such as high-pressure rotary jet piles, high-pressure grouting, cement mixing, long spiral grouting, and anti-floating anchor rods can be used. It is a truly multifunctional device, which saves costs for capital investment, and at the same time, the lifting motor and the mast are connected by a rack and pinion, which solves the slippage phenomenon of oil cylinder pressurization and wire rope pressurization in the market. At the same time, the gear rack is coordinated between the lifting motor and the mast, so that the entire high-pressure rotary jet power device can rise and fall freely, and the gear rack has better pressurization and lifting force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a multifunctional high-pressure rotary jet power device of the utility model;

[0016] Figure 2 The utility model is a schematic diagram of the output shaft structure of a power head of a multifunctional high-pressure rotary jet power device.

[0017] Explanations in the figure: 1. Walking tracks; 2. Track chassis; 3. Cab; 4. Winch; 5. Mast; 6. Anchor frame; 7. Lifting motor; 8. Power head box; 9. Power head output shaft; 10. High-pressure jet jet drill rod; 11. Faucet; 12. Upper reducer flange; 13. Lower reducer flange. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0019] like Figure 1 As shown, the present embodiment discloses a multifunctional high-pressure rotary jet power device, which includes a walking crawler 1, a crawler chassis 2 and a mast 5, wherein the walking crawler 1 is arranged at the lower end of the crawler chassis 2, a cab 3 is arranged at the front end of the crawler chassis 2, a winch 4 is arranged at the front end of the cab 3, the mast 5 is arranged on the winch 4, an anchor frame 6 is arranged at the upper end of the mast 5, a lifting motor 7 is arranged at the lower end of one side of the anchor frame 6, a power head box 8 is connected to the lower end of the lifting motor 7, a power head output shaft 9 is arranged at the lower end of the power head output shaft 9, and a high-pressure rotary jet drill rod 10 is connected to the lower end of the power head output shaft 9;

[0020] Among them, a guide rail is set on one side of the mast 5, and the guide rail is slidably connected to the power head box 8. The lifting motor 7 is connected to the mast 5 through a gear rack. The lifting motor 7 provides rising and falling force for the entire high-pressure rotary jet power device at the top, and is tightly connected to the power head box 8 at the bottom.

[0021] In this embodiment, the mast 5 and the lifting motor 7 are connected by a gear rack. This device is designed with gear rack pressurization to solve the slippage phenomenon of oil cylinder pressurization and wire rope pressurization in the market. And the gear rack cooperates between the mast 5 and the lifting motor 7, so that the entire high-pressure rotary jet power device can rise and fall freely. At the same time, the gear rack has better pressurization and lifting force, and can also give a greater pressure to the high-pressure rotary jet drill rod 10, so that it can maintain high-efficiency work in hard formations. At the same time, this device is a multifunctional device, which can be used for high-pressure rotary jet piles, high-pressure grouting, cement mixing, long spiral grouting, anti-floating anchor rods and other construction processes. It is a truly multifunctional device, saving costs for capital investment. Example

[0022] like Figure 1 and Figure 2As shown, the present embodiment discloses a multifunctional high-pressure rotary jet power device, which includes a walking crawler 1, a crawler chassis 2 and a mast 5, wherein the walking crawler 1 is arranged at the lower end of the crawler chassis 2, a cab 3 is arranged at the front end of the crawler chassis 2, a winch 4 is arranged at the front end of the cab 3, the mast 5 is arranged on the winch 4, a guide rail is arranged on one side of the mast 5, a power head box 8 is slidably connected to the guide rail, an anchor frame 6 is arranged at the upper end of the mast 5, a lifting motor 7 is arranged at the lower end of one side of the anchor frame 6, a power head box 8 is connected to the lower end of the lifting motor 7, a power head output shaft 9 is arranged at the lower end of the power head box 8, and the power head output shaft 9 includes an upper reducer flange 12 arranged at the upper end and a lower reducer flange 13 arranged at the lower end, the upper end of the upper reducer flange 12 is connected to a faucet 11, and the lower end of the lower reducer flange 13 is connected to a high-pressure rotary jet drill pipe 10;

[0023] The present embodiment provides a horizontal rotation force for the high-pressure rotary jet drill rod 10 through the power head output shaft 9, so that the power head output shaft 9 is connected to the lower reducer flange 13 through the lower reducer flange 13, which is beneficial for matching different lower reducer flanges 13 when it is necessary to replace high-pressure rotary jet drill rods 10 of different diameters, so that it can cope with different geological conditions for foundation reinforcement. At the same time, various grouting liquids flow through the faucet 11, which is connected with the power head output shaft 9 and the high-pressure rotary jet drill rod 10. A through hole is left at the lower end of the high-pressure rotary jet drill rod 10, which is beneficial for it to spray various grouting liquids. In this way, the mixing and stirring function of the grouting liquid and the mud is realized, and a variety of process constructions such as high-pressure rotary jet pile driving, high-pressure grouting, cement mixing, long spiral grouting, anti-floating anchor rods, etc. can be realized, making it a truly multifunctional device, saving costs for capital investment; the utility model has the advantages of saving costs, increasing the pressure on the high-pressure rotary jet drill rod, and enabling it to maintain high-efficiency work even in hard formations.

[0024] The working principle of the multifunctional high-pressure rotary jet power device is as follows: the lifting motor 7 provides the lifting and lowering force for the entire high-pressure rotary jet power device at the top, and is closely connected to the power head box 8 at the bottom. The power head box 8 is equipped with a power head output shaft 9, and the power head output shaft 8 is used to provide horizontal rotational force for the high-pressure rotary jet drill rod 10. The power head output shaft 9 is connected to the high-pressure rotary jet drill rod 10 through a lower reducing flange 13. When replacing high-pressure rotary jet drill rods of different diameters, different lower reducing flanges 13 can be matched. The upper end of the power head output shaft 9 is an upper reducing flange 12, and a faucet 11 is connected to the upper end of the upper reducing flange 12. Various grouting liquids can flow inside the faucet 11, and its interior is connected to the power head output shaft 9 and the high-pressure rotary jet drill rod 10. A through hole is left at the lower end of the high-pressure rotary jet drill rod 10, so that various grouting liquids can be sprayed out, thereby realizing the mixing and stirring function of the grouting liquid and the mud.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multifunctional high-pressure rotary jet power device, comprising a walking track (1), a track chassis (2) and a mast (5), characterized in that: The walking crawler (1) is arranged at the lower end of the crawler chassis (2); a cab (3) is arranged at the front end of the crawler chassis (2); a winch (4) is arranged at the front end of the cab (3); the mast (5) is arranged on the winch (4); an anchor frame (6) is arranged at the upper end of the mast (5); a lifting motor (7) is arranged at the lower end of one side of the anchor frame (6); a power head box (8) is connected to the lower end of the lifting motor (7); a power head output shaft (9) is arranged at the lower end of the power head box (8); and a high-pressure jet drilling rod (10) is connected to the lower end of the power head output shaft (9).

2. According to claim 1, a multifunctional high-pressure rotary jet power device is characterized in that: A guide rail is provided on one side of the mast (5), and the guide rail is slidably connected to a power head box (8).

3. According to claim 1, a multifunctional high-pressure rotary jet power device is characterized in that: The power head output shaft (9) comprises an upper reducing flange (12) arranged at the upper end and a lower reducing flange (13) arranged at the lower end.

4. According to claim 3, a multifunctional high-pressure rotary jet power device is characterized in that: The upper end of the upper reducing flange (12) is connected to the faucet (11), and the lower end of the lower reducing flange (13) is connected to the high-pressure jet-jet drill rod (10).

5. According to claim 4, a multifunctional high-pressure rotary jet power device is characterized in that: Various grouting liquids flow through the faucet (11), and the interior of the faucet is connected to the power head output shaft (9) and the high-pressure jet jet drilling rod (10).

6. According to claim 1, a multifunctional high-pressure rotary jet power device is characterized in that: A through hole is left at the lower end of the high-pressure jet-jet drill rod (10).

7. According to claim 1, a multifunctional high-pressure rotary jet power device is characterized in that: The lifting motor (7) and the mast (5) are connected via a gear rack.

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