CN219080331U

CN219080331U - Double-pipe jet grouting pile equipment

Info

Publication number: CN219080331U
Application number: CN202223530825.3U
Authority: CN
Inventors: 孔令田
Original assignee: Guangdong Huanke Special Construction Engineering Co ltd
Current assignee: Guangdong Huanke Special Construction Engineering Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-26
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses double-pipe jet grouting pile equipment, which belongs to the technical field of construction and comprises a drill rod assembly, wherein a nozzle assembly is arranged below the drill rod assembly, a joint assembly is arranged below the drill rod assembly, a slurry conveying and filtering device is arranged on the outer side of the top of the drill rod assembly, and the drill rod assembly is connected with the joint assembly through a discharging device; according to the utility model, by arranging the slurry conveying and filtering device, a worker can filter cement slurry containing a large amount of impurities to a certain extent through the filter screen when required, so that the possibility of blocking phenomenon of equipment is reduced, normal operation of the equipment is ensured, and the working capacity of the equipment is further improved; according to the utility model, by arranging the discharging device, a worker can discharge slurry or impurities which accidentally enter the inner bottom of the drill rod assembly through simple operation when needed, so that the possibility of influencing the work is reduced, and the practicability of the equipment is improved.

Description

Double-pipe jet grouting pile equipment

Technical Field

The utility model belongs to the technical field of buildings, and particularly relates to double-pipe jet grouting pile equipment.

Background

The building is an asset formed by artificial building, belongs to the category of fixed assets, and comprises two major categories of houses and structures. Houses refer to engineering structures for people to live, work, learn, produce, manage, entertain, store items and perform other social activities. A structure is distinguished from a building, which refers to an engineering building other than a house, such as a fence, a road, a dam, a well, a tunnel, a water tower, a bridge, a chimney, and the like.

Chinese patent application No. 202021358048.7 discloses a pile forming device of a double-tube high-pressure jet grouting pile, comprising: the inner upper part of the drill rod is respectively provided with a high-pressure cement slurry channel and a high-pressure gas channel, the inner lower part of the drill rod is provided with a gas pressure cavity, the middle part of the outer wall of the drill rod is provided with a nozzle and a gas spraying port arranged around the nozzle, the high-pressure cement slurry channel is connected with the nozzle, and the high-pressure gas channel is respectively connected with the gas spraying port and the upper part of the gas pressure cavity; the cutting joint with the cutting cavity is arranged inside, the upper end of the cutting joint is connected with the lower end of the drill rod, an air pressure control valve is arranged between the air pressure cavity and the cutting cavity, a sliding block, a positioning spring and a plurality of cutting edges are arranged inside the cutting cavity, a sealed space is formed above the sliding block inside the cutting cavity, the upper end of the positioning spring is connected with the sliding block, the lower end of the positioning spring is fixed inside the cutting cavity, and the upper end of each cutting edge is hinged with the sliding block, and the lower end of each cutting edge extends out of the cutting joint. The utility model has the beneficial effects that: the cutting edge cuts the soil body during rotary spraying, compensates the spraying depth, enables the spraying slurry to have impact force, and avoids the generation of radish piles.

1. The above-mentioned publication has a problem that a blocking phenomenon is easily generated when a large amount of impurities are contained in cement slurry, thereby easily affecting the normal operation of equipment and further reducing the working capacity of the equipment; 2. the above-mentioned publication has the problem that part thick liquid or impurity easily gets into and stays in the atmospheric pressure chamber and be difficult to discharge because of unexpected reasons such as splash infiltration when carrying out the work, and then has reduced the practicality of equipment.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides double-pipe jet grouting pile equipment which has the characteristics of high working capacity and strong practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-barrelled jet grouting pile equipment, includes the drilling rod subassembly, nozzle assembly is installed to the below position of drilling rod subassembly, and the below of drilling rod subassembly is provided with the joint Assembly, and defeated thick liquid filter equipment is installed in the top outside of drilling rod subassembly, is connected through discharging device between drilling rod subassembly and the joint Assembly.

Preferably, the slurry conveying and filtering device comprises an annular box, an input pipe, a closed ring, connecting pipes and a filter screen, wherein the annular box is arranged on the outer side of the top of the drill rod assembly, the drill rod assembly is connected with the annular box through two connecting pipes, the two filter screens are arranged on the inner side of the annular box and positioned above the two connecting pipes, the closed ring is arranged on the outer side of the annular box through screws, and the input pipe is arranged on the two sides of the closed ring.

Preferably, the slurry conveying and filtering device further comprises a motor and a brush body, wherein the two motors are arranged above the annular box and above the two filter screens, the output end of the motor is connected with the annular box through a bearing, and the brush body is arranged below the output end of the motor.

Preferably, the discharging device comprises a movable cylinder, connecting rods and a buckle, wherein the drill rod assembly and the joint assembly are connected through the two connecting rods, the movable cylinder is arranged on the outer sides of the two connecting rods, and the movable cylinder is connected with the drill rod assembly through the buckle.

Preferably, the outer side of the drill rod assembly and the outer side of the joint assembly are mutually clung to the inner side of the movable barrel.

Preferably, the discharging device further comprises a fixed ring and tension springs, the fixed ring is arranged on the joint assembly and located below the movable cylinder, and two tension springs are arranged between the movable cylinder and the fixed ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the slurry conveying and filtering device, a worker can filter cement slurry containing a large amount of impurities to a certain extent through the filter screen when the cement slurry is required, so that the possibility of blocking phenomenon of equipment is reduced, normal operation of the equipment is ensured, and the working capacity of the equipment is further improved.

2. According to the utility model, by arranging the discharging device, a worker can discharge slurry or impurities which accidentally enter the inner bottom of the drill rod assembly through simple operation when needed, so that the possibility of influencing the work is reduced, and the practicability of the equipment is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of a slurry-transporting filter device according to the present utility model;

fig. 4 is a schematic structural view of the discharging device of the present utility model.

In the figure: 1. a drill rod assembly; 2. a slurry conveying and filtering device; 21. an annular box; 22. an input tube; 23. a closed loop; 24. a connecting pipe; 25. a filter screen; 26. a motor; 27. a brush body; 3. a nozzle assembly; 4. a discharging device; 41. a fixing ring; 42. a tension spring; 43. a moving cylinder; 44. a connecting rod; 45. a buckle; 5. and a joint assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a double-barrelled jet grouting pile equipment, includes drilling rod subassembly 1, and nozzle assembly 3 is installed to drilling rod subassembly 1's below position, and drilling rod subassembly 1's below is provided with joint Assembly 5, and defeated thick liquid filter equipment 2 is installed in drilling rod subassembly 1's top outside, is connected through discharging device 4 between drilling rod subassembly 1 and the joint Assembly 5.

Specifically, the slurry conveying and filtering device 2 comprises an annular box 21, an input pipe 22, a closed ring 23, connecting pipes 24 and a filter screen 25, wherein the annular box 21 is arranged on the outer side of the top of the drill rod assembly 1, the drill rod assembly 1 is connected with the annular box 21 through the two connecting pipes 24, the two filter screens 25 are arranged on the inner side of the annular box 21 and above the two connecting pipes 24, the closed ring 23 is arranged on the outer side of the annular box 21 through screws, and the input pipes 22 are arranged on two sides of the closed ring 23.

Through adopting above-mentioned technical scheme for the staff can carry out certain filtration through filter screen 25 to the cement thick liquid that contains a large amount of impurity when needs, thereby reduced the possibility that the jam phenomenon appears in equipment, guaranteed the normal work of equipment.

Specifically, the slurry conveying and filtering device 2 further comprises a motor 26 and a brush body 27, wherein the two motors 26 are installed above the annular box 21 and above the two filter screens 25, the output ends of the motors 26 are connected with the annular box 21 through bearings, and the brush body 27 is installed below the output ends of the motors 26.

By adopting the above technical scheme, the filter screen 25 is prevented from being blocked.

When the embodiment is used, when equipment is needed, high-pressure gas and high-pressure cement slurry are sent into the drill rod assembly 1, then the high-pressure gas and the high-pressure cement slurry are sprayed out from the nozzle assembly 3, and then the joint assembly 5 is operated to cooperate with the high-pressure gas and the high-pressure cement slurry to perform pile forming operation of the double-pipe high-pressure jet grouting pile; when a large amount of impurities are contained in the high-pressure cement slurry, the high-pressure cement slurry can be fed into the annular box 21 through the two input pipes 22 in the slurry conveying and filtering device 2, then the slurry enters the drill rod assembly 1 through the connecting pipe 24 after being filtered by the filter screen 25, so that the impurities are prevented from entering the drill rod assembly 1, the two motors 26 are started, the two brush bodies 27 are driven to rotate, the blocking of the two filter screens 25 is further prevented, and a worker can unscrew the screws on the closed ring 23 and detach the screws when needed, and then take out the impurities in the annular box 21.

Example 2

This embodiment differs from embodiment 1 in that: the discharging device 4 comprises a movable cylinder 43, a connecting rod 44 and a buckle 45, wherein the drill rod assembly 1 and the joint assembly 5 are connected through the two connecting rods 44, the movable cylinder 43 is arranged on the outer sides of the two connecting rods 44, and the movable cylinder 43 and the drill rod assembly 1 are connected through the buckle 45.

By adopting the technical scheme, the operator can discharge slurry or impurities which accidentally enter the bottom in the drill rod assembly 1 through simple operation when required.

Specifically, the outside of the drill rod assembly 1 and the outside of the joint assembly 5 are in close contact with the inside of the moving cylinder 43.

By adopting the above technical solution, the existence of a gap between the drill rod assembly 1 or the joint assembly 5 and the moving cylinder 43 is prevented.

Specifically, the discharging device 4 further includes a fixed ring 41 and tension springs 42, the fixed ring 41 is mounted on the joint assembly 5 at a position below the moving cylinder 43, and two tension springs 42 are mounted between the moving cylinder 43 and the fixed ring 41.

By adopting the above-described technical solution, the moving cylinder 43 is enabled to move by the two tension springs 42 when necessary.

When the present embodiment is used, when a worker needs to discharge slurry or impurities which accidentally enter the bottom of the drill rod assembly 1, the worker manipulates the buckle 45 in the discharging device 4 to separate the moving cylinder 43 from the drill rod assembly 1, and under the action of the two tension springs 42, the moving cylinder 43 moves towards the fixed ring 41, and then the slurry flows out from between the two connecting rods 44, and then the impurities are removed.

The utility model discloses a pile forming device of a double-pipe high-pressure rotary spraying pile, which is disclosed by Chinese patent application number 202021358048.7, and the working principle of the pile forming device is that a drill rod assembly 1 consisting of a high-pressure gas pipe, a high-pressure cement pipe, a drill rod assembly 3 consisting of a nozzle and a gas spraying port, a connecting pin, a sliding rail, a positioning pin, a cutting blade, a positioning spring, a sliding block, a pneumatic control valve, a cutting joint, a cutting port, a cutting cavity, a valve core, a reset spring, a gas outlet, a gas inlet, a valve seat, a sealing ring, a coil, a movable arm, a gas flow channel and a blocking port, is disclosed in the pile forming device of the double-pipe high-pressure rotary spraying pile, wherein the high-pressure cement pipe is characterized in that the drill rod is firstly released for fixed point, then high-pressure gas is introduced into the high-pressure gas pipe, then high-pressure cement slurry is introduced into the high-pressure cement pipe, the high-pressure gas enters the high-pressure gas pipe, and part of the high-pressure gas in the high-pressure gas pipe can be accumulated through the port above the nozzle, and the gas in the high-pressure gas pipe, and the high-pressure gas in the high-pressure gas pipe can be sprayed out from the gas spraying port below the gas spraying port; meanwhile, high-pressure cement slurry flows into the inner pipe from the high-pressure cement slurry channel and is sprayed out from the nozzle, so that the rotary spraying construction is carried out on soil on the peripheral wall, the protection of high-pressure cement slurry by high-pressure gas can be fully ensured, the large energy of cement soil slurry is ensured, and the energy loss of cutting is reduced; when piling is carried out on the lower part of a drilling hole, the pneumatic control valve is electrified and opened, high-pressure gas in the pneumatic cavity enters the pneumatic control valve through the air inlet, the air flow channel is opened, the high-pressure gas enters the cutting cavity to push the sliding block to slide downwards along the sliding rail, the sliding block extrudes the positioning spring and drives the cutting blade to slide out of the cutting opening to supplement and cut soil around a drilling rod, meanwhile, the nozzle sprays mixed slurry to ensure that the pile diameter of the pile body is consistent after the cement slurry is sprayed, the hole wall is uniformly reinforced, the hole wall strength is the same, and the problem of radish pile caused by the too low hole bottom pressure is avoided; the air flow entering the cutting cavity from the air pressure cavity can be flexibly controlled by controlling the air pressure control valve, the sliding distance of the sliding block is determined, and then the length of the cutting edge extending out of the cutting opening is controlled, namely the cutting depth of the cutting edge is controlled, the quality of compensation cutting is ensured, and the starting flexibility of the cutting joint is ensured; when the upper pile body is subjected to rotary spraying construction, under the action of the positioning spring, the sliding block drives the cutting edge to retract into the cutting cavity, then the cutting opening can be plugged, the quality of each part in the cutting cavity can be ensured, the influence of other factors is reduced, and the cutting edge can smoothly slide out of the cutting opening to cut soil body when the lower part of the drilling hole forms a pile.

The working principle and the using flow of the utility model are as follows: when equipment is needed to be used, high-pressure gas and high-pressure cement slurry are sent into the drill rod assembly 1, then the high-pressure gas and the high-pressure cement slurry are sprayed out from the nozzle assembly 3, and then the joint assembly 5 is operated to be matched with the high-pressure cement slurry to perform pile forming operation of the double-pipe high-pressure jet grouting pile; when a large amount of impurities are contained in the high-pressure cement slurry, the high-pressure cement slurry can be sent into the annular box 21 through the two input pipes 22 in the slurry conveying and filtering device 2, then the slurry enters the drill rod assembly 1 through the connecting pipe 24 after being filtered by the filter screen 25, so that the impurities are prevented from entering the drill rod assembly 1, the two motors 26 are started, the two brush bodies 27 are driven to rotate, the two filter screens 25 are prevented from being blocked, and a worker can unscrew the screws on the closed ring 23 and detach the screws when needed, and then take out the impurities in the annular box 21; when the worker needs to discharge the slurry or the impurities which accidentally enter the bottom of the drill rod assembly 1, the buckle 45 in the discharging device 4 is operated to separate the movable cylinder 43 from the drill rod assembly 1, the movable cylinder 43 moves towards the fixed ring 41 under the action of the two tension springs 42, then the slurry flows out from between the two connecting rods 44, and then the impurities are removed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Double-barrelled jet grouting stake equipment, including drilling rod subassembly, its characterized in that: the nozzle assembly is installed in the position below the drill rod assembly, the joint assembly is arranged below the drill rod assembly, the slurry conveying and filtering device is installed on the outer side of the top of the drill rod assembly, and the drill rod assembly is connected with the joint assembly through the discharging device.

2. A dual pipe jet grouting apparatus as claimed in claim 1, wherein: the slurry conveying and filtering device comprises an annular box, an input pipe, a closed ring, connecting pipes and filter screens, wherein the annular box is arranged on the outer side of the top of the drill rod assembly, the drill rod assembly is connected with the annular box through two connecting pipes, the two filter screens are arranged on the inner side of the annular box and above the two connecting pipes, the closed ring is arranged on the outer side of the annular box through screws, and the input pipe is arranged on two sides of the closed ring.

3. A dual pipe jet grouting apparatus as claimed in claim 2, wherein: the slurry conveying and filtering device further comprises a motor and a brush body, wherein the two motors are arranged above the annular box and above the two filter screens, the output end of the motor is connected with the annular box through a bearing, and the brush body is arranged below the output end of the motor.

4. A dual pipe jet grouting apparatus as claimed in claim 1, wherein: the discharging device comprises a moving cylinder, connecting rods and buckles, wherein the drill rod assembly and the joint assembly are connected through the two connecting rods, the outer sides of the two connecting rods are provided with the moving cylinder, and the moving cylinder is connected with the drill rod assembly through the buckles.

5. A dual pipe jet grouting apparatus as claimed in claim 4, wherein: the outside of the drill rod assembly and the outside of the joint assembly are mutually clung to the inside of the movable barrel.

6. A dual pipe jet grouting apparatus as claimed in claim 4, wherein: the discharging device further comprises a fixed ring and tension springs, the fixed ring is arranged on the joint assembly and located below the movable barrel, and two tension springs are arranged between the movable barrel and the fixed ring.