CN220319509U - Drill rod slurry gas flow divider of rotary pile stirring machine - Google Patents
Drill rod slurry gas flow divider of rotary pile stirring machine Download PDFInfo
- Publication number
- CN220319509U CN220319509U CN202321830720.1U CN202321830720U CN220319509U CN 220319509 U CN220319509 U CN 220319509U CN 202321830720 U CN202321830720 U CN 202321830720U CN 220319509 U CN220319509 U CN 220319509U
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- slurry
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- passage hole
- pipe
- rod
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- 239000002002 slurry Substances 0.000 title claims abstract description 66
- 238000003756 stirring Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000004568 cement Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drill rod slurry gas flow divider of a rotary pile mixer, wherein a power input end of the flow divider is fixedly connected with a rotary stirring main power motor, a power output end of the flow divider is coaxially fixedly connected with a drill rod, the flow divider comprises a connecting rod, a plurality of groups of rotary through units are axially limited on the connecting rod and are rotationally sleeved on the connecting rod in a circumferential direction, and one end of the connecting rod, facing the drill rod, is provided with a slurry passage hole and a gas passage hole which extend axially; the feeding ends of the slurry passage hole and the gas passage hole are respectively communicated with the grouting pipe and the grouting pipe through the screwing unit, and the discharging ends of the slurry passage hole and the gas passage hole are communicated with the drill rod. The drill rod slurry gas flow divider ensures coaxial power connection of the drill rod, also ensures the sealing effect of the flow divider, has a simple structure and is easy to realize.
Description
Technical Field
The utility model belongs to the technical field of pile machine construction, and particularly relates to a drill rod slurry gas flow divider of a rotary pile machine.
Background
At present, mechanical equipment for constructing a medium-and-small-sized waterproof curtain pile in the building field mainly comprises a cement stirring pile machine and a high-pressure jet grouting pile machine, and the construction principle is that a long-blade rotary-cut soil layer of a drill bit is utilized to provide a channel for low-pressure cement slurry to finish stirring of a pile diameter. The other is to form high-speed jet flow by using high-pressure cement slurry through a drill bit tiny nozzle so as to finish stirring of the pile diameter by rotating and cutting the soil body. No matter which type of equipment is adopted for cement mixing pile construction, a diverter is required to be installed on a drill rod and used for introducing slurry or pressurized air into the drill rod in the rotary mixing process.
The existing drill pipe diverters include the following: 1. the drill rod end shunt is arranged at the end of the drill rod, and a main motor for providing rotary power for the drill rod is arranged in parallel with one side of the drill rod and is connected with the drill rod by adopting gear transmission; although the structure can realize the functions of rotating and separating and passing liquid of the drill rod, after the drill rod is stressed in the rotating process, the radial force generated between the drill rod and the main motor can reduce the service life of the whole drill rod transmission structure, and the drill rod is easy to lose power; 2. the drill rod side flow divider is arranged in the middle of the drill rod and sleeved on the drill rod, and the main motor is arranged at the end part of the drill rod.
Upon searching, the following published patents were found:
CN112855051a discloses a multi-channel swivel joint combination, comprising a plurality of slurry gas, a slurry line swivel joint and a reduction gearbox; the slurry gas and slurry line rotary joints comprise a support frame, a lower rotating shaft, an upper rotating shaft, a sealing gasket, a rotating shaft jacket, an upper sleeve cover, a lower sleeve cover, an upper connecting shaft, an upper support and a transition joint; the slurry gas and slurry line rotary joint is arranged above the hollow main shaft of the reduction gearbox; the hollow main shaft is transversely arranged along the reduction gearbox; the support frames are arranged at the left side and the right side of the slurry gas and slurry line rotary joint; the sealing gasket is positioned between the lower rotating shaft and the hollow main shaft; the first lower shaft grouting hole, the second lower shaft grouting hole and the lower shaft air injection hole of the lower rotating shaft are respectively communicated with the first main shaft grouting channel, the second main shaft grouting channel and the main shaft air injection channel of the hollow main shaft; the upper rotating shaft is arranged in the lower shaft counter bore, and the upper shaft air supply hole is communicated with the lower shaft air supply hole; the transition joint is fixedly arranged with the upper rotating shaft; the upper cover is fixedly arranged on the rotating shaft sleeve. The utility model meets the requirements of slurry of a stirring pile drilling machine, cyclone rotation conveying and sensor wiring, and meets the functional requirements of slurry spraying, air injection and monitoring.
The multi-channel swivel joint assembly is not identical in structure and function to the current divider according to analysis.
In summary, how to improve the sealing effect and the service life of the diverter under the premise of ensuring the coaxial input power of the drill rod is a technical problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the drill rod slurry gas flow divider of the rotary pile stirring machine, which ensures coaxial power connection of drill rods and sealing effect of the flow divider, and has simple structure and easy realization.
The drill rod slurry gas flow divider of the rotary pile stirring machine comprises a power input end of the flow divider is fixedly connected with a rotary stirring main power motor, a power output end of the flow divider is coaxially fixedly connected with a drill rod, the flow divider comprises a connecting rod, a plurality of groups of rotary through units are axially limited and circumferentially sleeved on the connecting rod in a rotating way, and one end of the connecting rod, which faces the drill rod, is provided with a slurry passage hole and a gas passage hole which extend axially; the feeding ends of the slurry passage hole and the gas passage hole are respectively communicated with the grouting pipe and the grouting pipe through the screwing unit, and the discharging ends of the slurry passage hole and the gas passage hole are communicated with the drill rod.
Preferably, the rotary through unit comprises a rotary supporting part and a rotary liquid through part, wherein the rotary supporting part axially rotates and is axially limited and sleeved on the connecting rod, and one axial end surface flange of the rotary supporting part is connected with the rotary liquid through part; the rotary liquid passing part is rotationally communicated with the slurry passage hole and the grouting pipe, and the gas passage hole and the grouting pipe.
Preferably, the rotary supporting part comprises a bearing sleeve, a clamp spring and a plurality of bearings; the bearing sleeve is sleeved outside the clamp spring and the plurality of bearings, and one axial end face of the bearing sleeve is fixedly connected with an axial end face flange of the rotary liquid passing part; the clamping spring is axially limited and clamped on the connecting shaft rod, and the two axial end surfaces of the clamping spring are axially limited and supported by the bearing; the inner ring seat of the bearing is sleeved on the connecting shaft rod, and the inner support of the outer ring seat of the bearing is connected to the circumferential inner wall of the bearing sleeve.
Preferably, the rotary liquid passing part comprises a flange pipe, a sealing ring, a communicating spacing ring and a plurality of lip-shaped sealing rings; one end of the flange pipe is fixedly connected with the rotary supporting part through a flange, the other end of the flange pipe is fixedly connected with the sealing ring in a sealing way, and the inside of the flange pipe circumferentially rotates and is axially limited and connected with the communication spacer ring which is rotationally sleeved on the connecting shaft rod; a plurality of radially-through communication ports are formed in the communication spacer ring, and a plurality of lip-shaped sealing rings are attached and sealed on the two axial end faces of the communication spacer ring and axially limited and propped.
Preferably, the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally sleeved on the circumferential outer wall of the connecting shaft rod, and the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally connected on the circumferential inner wall of the flange pipe through the inner support.
Preferably, the communication port communicates the slurry passage hole with the grouting pipe, and the gas passage hole with the grouting pipe.
Preferably, the grouting pipe and the gas injection pipe are fixedly arranged on the circumferential outer wall of the flange pipe, and the grouting pipe and the gas injection pipe incline towards one end of the connecting shaft rod, which is connected with the drill rod.
Preferably, the feeding ends of the slurry passage hole and the gas passage hole are arranged on the axial end face of the connecting shaft rod connected with the drill rod, and the discharging ends of the slurry passage hole and the gas passage hole are arranged on the circumferential cylindrical surface of the connecting shaft rod in a back-to-back mode so as to balance the reaction force of radial grouting and gas injection of the connecting shaft rod.
The utility model has the advantages and technical effects that:
in the drill rod slurry flow divider of the rotary pile stirring machine, one end of a connecting shaft rod is coaxially and fixedly connected with a power output end of a rotary stirring main power motor, and the other end of the connecting shaft rod is coaxially and fixedly connected with a drill rod; the rotary through unit is sleeved on the connecting rod in a sealing and rotating way, slurry and gas are introduced into the connecting rod and the drill rod through the rotary through unit, so that the rotation of the connecting rod and the liquid through structure are effectively separated, and mutual interference of the rotation of the connecting rod and the liquid through structure is avoided (namely, the sealing of the liquid through structure is damaged due to swinging and rotation of the drill rod).
According to the drill rod slurry gas flow divider of the rotary pile stirring machine, the rotary supporting part of the rotary through unit is used for limiting and supporting a plurality of bearings through two axial end faces of the clamp spring, so that a rotating body and a connecting rod which are formed by the plurality of bearings are prevented from axially and relatively sliding; the anti-collision protection of the bearing is realized through the bearing sleeve, and the bearing sleeve is fixedly connected with the rotary liquid passing part as a rotating base so as to perform circumferential rotation and axial limiting connection of the rotary liquid passing part on the connecting rod.
According to the drill rod slurry gas flow divider of the rotary pile stirring machine, the rotary liquid passing part of the rotary liquid passing unit is used for realizing fluid constraint of passing slurry or pressurized air through the flange pipe sleeved outside the connecting shaft rod; rotary sealing of two axial end surfaces of the flange pipe is provided by the lip-shaped sealing ring; finally, the internal flow path of the connecting shaft rod and the grouting pipe/gas injection pipe are communicated through the communication port of the communication spacer ring.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a half cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of a communication spacer ring according to the present utility model;
in the figure: 1-a connecting flange; 2-connecting rod; 3-a rotation support; 4-rotating the liquid passing part; 5-grouting pipe; 6-sealing ring; 7-gas injection pipe; 8-gas path holes; 9-slurry passage holes; 10-key groove; 11-a bearing sleeve; 12-clamping springs; 13-bearing; 14-flange pipe; 15-connecting a spacer ring; 16-lip seal; 17-communication port.
Detailed Description
For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth to illustrate, but are not limited to, the utility model. The present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is not to be limited thereto.
The drill rod slurry gas flow divider of the rotary pile stirring machine comprises a power input end of the flow divider is fixedly connected with a rotary stirring main power motor, a power output end of the flow divider is coaxially fixedly connected with a drill rod, the flow divider comprises a connecting rod 2, a plurality of groups of rotary through units are axially limited on the connecting rod and are rotationally sleeved on the connecting rod in a circumferential direction, and one end of the connecting rod, facing the drill rod, is provided with a slurry passage hole 9 and a gas passage hole 8 which extend axially; the feeding ends of the slurry passage hole and the gas passage hole are respectively communicated with the grouting pipe 5 and the gas injection pipe 7 through the screwing unit, and the discharging ends of the slurry passage hole and the gas passage hole are communicated with the drill rod.
Preferably, the rotary through unit comprises a rotary supporting part 3 and a rotary liquid through part 4, wherein the rotary supporting part axially rotates and is axially limited and sleeved on the connecting rod, and one axial end surface flange of the rotary supporting part is connected with the rotary liquid through part; the rotary liquid passing part is rotationally communicated with the slurry passage hole and the grouting pipe, and the gas passage hole and the grouting pipe.
Preferably, the rotation support part comprises a bearing sleeve 11, a clamping spring 12 and a plurality of bearings 13; the bearing sleeve is sleeved outside the clamp spring and the plurality of bearings, and one axial end face of the bearing sleeve is fixedly connected with an axial end face flange of the rotary liquid passing part; the clamping spring is axially limited and clamped on the connecting shaft rod, and the two axial end surfaces of the clamping spring are axially limited and supported by the bearing; the inner ring seat of the bearing is sleeved on the connecting shaft rod, and the inner support of the outer ring seat of the bearing is connected to the circumferential inner wall of the bearing sleeve.
Preferably, the rotary liquid passing part comprises a flange pipe 14, a sealing ring 6, a communicating spacer ring 15 and a plurality of lip-shaped sealing rings 16; one end of the flange pipe is fixedly connected with the rotary supporting part through a flange, the other end of the flange pipe is fixedly connected with the sealing ring in a sealing way, and the inside of the flange pipe circumferentially rotates and is axially limited and connected with the communication spacer ring which is rotationally sleeved on the connecting shaft rod; a plurality of radially-through communication ports 17 are formed in the communication spacer ring, and a plurality of lip-shaped sealing rings are attached and sealed on the two axial end faces of the communication spacer ring and axially limited and propped.
Preferably, the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally sleeved on the circumferential outer wall of the connecting shaft rod, and the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally connected on the circumferential inner wall of the flange pipe through the inner support.
Preferably, the communication port communicates the slurry passage hole with the grouting pipe, and the gas passage hole with the grouting pipe.
Preferably, the grouting pipe and the gas injection pipe are fixedly arranged on the circumferential outer wall of the flange pipe, and the grouting pipe and the gas injection pipe incline towards one end of the connecting shaft rod, which is connected with the drill rod.
Preferably, the feeding ends of the slurry passage hole and the gas passage hole are arranged on the axial end face of the connecting shaft rod connected with the drill rod, and the discharging ends of the slurry passage hole and the gas passage hole are arranged on the circumferential cylindrical surface of the connecting shaft rod in a back-to-back mode so as to balance the reaction force of radial grouting and gas injection of the connecting shaft rod.
In addition, the two ends of the connecting shaft rod are provided with the key grooves 10, the two ends of the connecting shaft rod are coaxially sleeved with the connecting flange 1 for connecting the rotary stirring main power motor and the drill rod, and the connecting flange is fixedly arranged at the two ends of the drill rod in a circumferential limiting manner through the key grooves.
In order to more clearly describe the specific embodiments of the present utility model, an example is provided below:
according to the drill rod slurry splitter of the rotary stirring pile machine, in the use process, the connecting flange at the top of the connecting shaft rod is fixedly connected with the base flange of the rotary stirring main power motor, so that the power output shaft of the rotary stirring main power motor is coaxially and fixedly connected with the top end of the connecting shaft rod; the connecting flange at the bottom of the connecting shaft rod is fixedly connected with the rotating flange at the end part of the drill rod, so that the bottom end of the connecting shaft rod is conveniently and coaxially fixedly connected with the top end of the drill rod; when the grouting device is installed, the top end of the drill rod is higher, so that the orientation and the position posture of the slurry gas diverter are shown in the figure 1, and the grouting pipe and the gas injection pipe on the slurry gas diverter are obliquely downwards arranged, so that the flexible grouting gas injection hose can be conveniently connected; along with the driving of the rotary stirring main power motor, the connecting shaft rod and the drill rod synchronously and coaxially rotate so as to ensure the coaxial power of the drill rod and avoid the problem that the rotating power of the drill rod is invalid when the drill rod is stressed radially and rotates in a conical manner. On the other hand, the turning through unit moves along with the connecting shaft rod in the radial direction, so that the rotary sealing structure of the turning through unit is prevented from being damaged. When grouting and gas injection are carried out, the grouting pipe/gas injection pipe is used for filling slurry or pressured air into the flange pipe, the communication port of the internal communication spacer ring of the flange pipe is used for ensuring that the grouting pipe/gas injection pipe is always communicated with the slurry passage hole/gas passage hole on the connecting shaft rod, and finally the slurry and pressured air are communicated into the drill rod through the slurry passage hole/gas passage hole at the end part of the connecting rod and are injected into the ground.
Finally, the utility model adopts the mature products and the mature technical means in the prior art.
While the methods and techniques of the present utility model have been described in terms of preferred embodiments, it will be apparent to those skilled in the art from this disclosure that variations and rearrangements of the methods and techniques can be made by those skilled in the art to arrive at a final preparation technique without departing from the spirit and scope of the utility model. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be included within the spirit, scope and content of the utility model. And it should be understood that modifications and variations can be made by those skilled in the art in light of the foregoing description and all such modifications and variations are intended to be included within the scope of the utility model as defined in the following claims.
Claims (8)
1. The utility model provides a spiral stirring stake machine's drilling rod thick liquid gas shunt, this shunt's power input rigid coupling revolves stirring owner power motor, the coaxial rigid coupling drilling rod of power take off end, its characterized in that: the diverter comprises a connecting shaft rod, a plurality of groups of turning through units are axially limited on the connecting shaft rod and are rotationally sleeved on the connecting shaft rod in a circumferential direction, and one end of the connecting shaft rod, which faces a drill rod, is provided with an axially extending slurry passage hole and an air passage hole; and the feeding ends of the slurry passage hole and the gas path hole are respectively communicated with the grouting pipe and the gas injection pipe through the screwing unit, and the discharging ends of the slurry passage hole and the gas path hole are communicated with the drill rod.
2. A drill pipe slurry diverter for a rotary pile driver according to claim 1, wherein: the rotary through unit comprises a rotary supporting part and a rotary liquid through part, wherein the rotary supporting part axially rotates and is axially limited and sleeved on the connecting rod, and one axial end surface flange of the rotary supporting part is connected with the rotary liquid through part; the rotary liquid passing part is rotationally communicated with the slurry passage hole, the slurry injecting pipe, the gas passage hole and the gas injecting pipe.
3. A drill pipe slurry diverter for a rotary pile driver according to claim 2, characterized in that: the rotary supporting part comprises a bearing sleeve, a clamp spring and a plurality of bearings; the bearing sleeve is sleeved outside the clamp spring and the plurality of bearings, and one axial end face of the bearing sleeve is fixedly connected with an axial end face flange of the rotary liquid passing part; the clamping spring is axially limited and clamped on the connecting shaft rod, and the two axial end faces of the clamping spring are axially limited and supported by the bearing; the inner ring seat of the bearing is sleeved on the connecting shaft rod, and the inner support of the outer ring seat of the bearing is connected to the circumferential inner wall of the bearing sleeve.
4. A drill pipe slurry diverter for a rotary pile driver according to claim 2, characterized in that: the rotary liquid passing part comprises a flange pipe, a sealing ring, a communicating spacing ring and a plurality of lip-shaped sealing rings; one end of the flange pipe is fixedly connected with the rotary supporting part, the other end of the flange pipe is fixedly connected with the sealing ring in a sealing way, and the inside of the flange pipe circumferentially rotates and is axially limited and connected with the communication spacing ring which is rotationally sleeved on the connecting shaft rod; the connecting spacer ring is provided with a plurality of radially-through connecting ports, and two axial end surfaces of the connecting spacer ring are bonded and sealed, and a plurality of lip-shaped sealing rings are axially limited and propped.
5. The drill pipe slurry splitter of a rotary pile driver according to claim 4, wherein: the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally sleeved on the circumferential outer wall of the connecting shaft rod, and the inner rings of the communicating space ring and the lip-shaped sealing ring are rotationally connected on the circumferential inner wall of the flange pipe through an inner support.
6. The drill pipe slurry splitter of a rotary pile driver according to claim 4, wherein: the communication port is communicated with the slurry passage hole, the grouting pipe, the gas passage hole and the grouting pipe.
7. The drill pipe slurry splitter of a rotary pile driver according to claim 4, wherein: the grouting pipe and the gas injection pipe are fixedly arranged on the circumferential outer wall of the flange pipe, and the grouting pipe and the gas injection pipe incline towards one end of the connecting shaft rod, which is connected with the drill rod.
8. The drill pipe slurry splitter of a rotary pile driver according to claim 4, wherein: the feeding ends of the slurry passage hole and the gas passage hole are respectively arranged on the axial end face of the connecting shaft rod connected with the drill rod, and the discharging ends of the slurry passage hole and the gas passage hole are respectively arranged on the circumferential cylindrical surface of the connecting shaft rod and are arranged back to back so as to balance the reaction force of radial grouting and gas injection of the connecting shaft rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830720.1U CN220319509U (en) | 2023-07-12 | 2023-07-12 | Drill rod slurry gas flow divider of rotary pile stirring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830720.1U CN220319509U (en) | 2023-07-12 | 2023-07-12 | Drill rod slurry gas flow divider of rotary pile stirring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319509U true CN220319509U (en) | 2024-01-09 |
Family
ID=89416488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321830720.1U Active CN220319509U (en) | 2023-07-12 | 2023-07-12 | Drill rod slurry gas flow divider of rotary pile stirring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319509U (en) |
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2023
- 2023-07-12 CN CN202321830720.1U patent/CN220319509U/en active Active
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