CN114412349A - Pore wall reinforced structure in deep long pile construction hole of major diameter - Google Patents
Pore wall reinforced structure in deep long pile construction hole of major diameter Download PDFInfo
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- CN114412349A CN114412349A CN202210232826.5A CN202210232826A CN114412349A CN 114412349 A CN114412349 A CN 114412349A CN 202210232826 A CN202210232826 A CN 202210232826A CN 114412349 A CN114412349 A CN 114412349A
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- wall reinforcing
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000011148 porous material Substances 0.000 title claims description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 50
- 238000005507 spraying Methods 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 238000005553 drilling Methods 0.000 abstract description 14
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 36
- 239000004568 cement Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a hole wall reinforcing structure of a large-diameter deep long pile construction hole, and belongs to the technical field of building construction equipment. The structure comprises a rotating shaft and a drill bit, wherein the drill bit is connected with the rotating shaft through a mounting frame, a plurality of hole wall reinforcing mechanisms are movably arranged on the mounting frame, and the hole wall reinforcing mechanisms can move along the radial direction of the drill bit. In the drilling process, each hole wall reinforcing mechanism can continuously hit and tamp the hole wall under the action of centrifugal force and collision; meanwhile, the hole wall reinforcing mechanism is connected with the mounting frame in a sliding mode, so that the process of striking and tamping the hole wall by the hole wall reinforcing mechanism is more flexible and is basically not limited by the conditions such as the shape of the hole wall.
Description
Technical Field
The invention relates to a hole wall reinforcing structure of a large-diameter deep long pile construction hole, and belongs to the technical field of building construction equipment.
Background
When the pile hole is drilled, the soil characteristics around the construction site need to be considered, and the stability of the hole wall is ensured by adopting a mud retaining wall or steel retaining cylinder, however, in the actual construction process, the hole collapse condition still occurs due to the influence of various factors.
Chinese patent publication No. CN110952929A discloses a pipe following drilling system with hole wall tamping function, wherein when a drill rod rotates and a casing pipe follows, a connecting cylinder slides into a hole along with the casing pipe, and the drill rod rotates to drive a rotating part to rotate, so that the rotating part can drive a spherical protrusion to rotate circumferentially; under the effect of spring, the spherical surface is protruding connecting cylinder outer wall, therefore the spherical surface is protruding to rotate the in-process along with the rotating part and can extrude the tamping to the pore wall to the difficult hole is stepped on that produces of in-process of pull out the sheathed tube in the later stage.
The pipe-following drilling system has a good tamping function on the hole wall when the hole wall is regular in shape; however, when the shape of the hole wall is irregular due to the influence of geological conditions or slight collapse occurs, the spherical protrusion is difficult to contact with the hole wall due to the limited radial stroke of the drill rod, so that the spherical protrusion cannot play a role in tamping the hole wall.
Disclosure of Invention
In order to solve the technical problem, the invention provides a hole wall reinforcing structure of a large-diameter deep long pile construction hole.
The invention is realized by the following technical scheme:
the utility model provides a pore wall reinforced structure in deep long pile construction hole of major diameter, includes axis of rotation and drill bit, the drill bit passes through mounting bracket and rotation axis connection, the activity is equipped with a plurality of hole wall reinforcing mechanisms on the mounting bracket, and the radial movement of drill bit can be followed to hole wall reinforcing mechanism.
The longitudinal section of the mounting rack is I-shaped, the hole wall reinforcing mechanisms are uniformly distributed on the mounting rack, limiting slide rails are radially arranged on the mounting rack, and two ends of each hole wall reinforcing mechanism are respectively connected with the limiting slide rails in a sliding mode through rubber plugs.
The pore wall reinforcing mechanism comprises an elastic vibration shell and a counterweight ball, the counterweight ball is positioned in the elastic vibration shell, and the counterweight ball is connected with the inner wall of the elastic vibration shell through a plurality of supporting elastic rods.
The top and the bottom correspondence of the inherent mounting bracket of elastic vibration casing are equipped with hollow post, and the last downside of counter weight ball all passes through transfer line and limiting plate and hollow post sliding connection.
The bottom of mounting bracket is equipped with reciprocal jacking subassembly in the inboard of hollow post, and is connected with the buffering stopper through buffer spring on the reciprocal jacking subassembly, buffering stopper and hollow post sliding connection, the transfer line rotates through the inner wall of a plurality of push-and-pull rods and elastic vibration casing to be connected, the position equipartition at elevations such as with the counter weight ball is equipped with the spacing subassembly of a plurality of on the inner wall of elastic vibration casing, spacing subassembly includes the vibrations spring that flexure strip and a plurality of arranged side by side, the both ends of vibrations spring are passed through the bracing piece respectively and are connected with flexure strip and elastic vibration casing.
The top of mounting bracket is equipped with the storage bag in the inboard of hollow post, and the equipartition is equipped with a plurality of on the outer wall of elastic vibration casing and spouts the work or material rest, and the one end of spouting the work or material rest is passed through the passage and is connected with the storage bag, and the one end that is close to on the passage and spouts the work or material rest is equipped with the check valve, spouts the other end of work or material rest and is equipped with the shower nozzle, and is equipped with the filter screen on the shower nozzle.
A plurality of anti-blocking parts are uniformly distributed in the material spraying frame and comprise pressure sensing components and puncturing components, and the puncturing components are movably connected with the pressure sensing components through steering levers.
The forced induction subassembly is including detecting the stopper, one side that detects the stopper is equipped with the guide rod, and reset spring through a plurality of side by side arrangement and the interior wall connection who spouts the work or material rest, and reset spring's axis is arranged along spouting the radial of work or material rest, the puncture subassembly includes ejecting syringe needle, mounting panel and deflector, be equipped with the blowing groove on ejecting syringe needle's the outer disc, mounting panel and spouting work or material rest sliding connection, one side of mounting panel is rotated through steering lever and guide rod and is connected, the opposite side passes through the fastening frame, hold power spring and hold the power piece and be connected with ejecting syringe needle, the deflector is established on spouting work or material rest's inner wall, its one side is through inclined plane A and hold inclined plane B sliding connection on the power piece.
The pore wall reinforcing mechanism further comprises a detection contact, an alarm contact and a controller, the detection contact is connected with the upper portion of the counterweight ball through a connecting rod, a wireless transmitting module is arranged at the top of the mounting frame, the alarm contact is arranged at the position corresponding to the detection contact, and the controller is electrically connected with the wireless transmitting module, the detection contact and the alarm contact.
The top of mounting bracket is equipped with the seat piece, and is equipped with pressure sensor on the seat piece, pressure sensor and controller electric connection, and the one side of keeping away from on the alarm contact and detecting the contact passes through many slide bars and seat piece sliding connection to be connected with pressure sensor through shrink spring.
The invention has the beneficial effects that:
1. in the drilling process, each hole wall reinforcing mechanism can continuously hit and tamp the hole wall under the action of centrifugal force and collision; meanwhile, the hole wall reinforcing mechanism is connected with the mounting frame in a sliding mode, so that the process of striking and tamping the hole wall by the hole wall reinforcing mechanism is more flexible and is basically not limited by the conditions such as the shape of the hole wall.
2. The hole wall reinforcing mechanism is tightly attached to the limiting slide rail through the rubber plug, so that external slurry is prevented from being poured into the elastic vibration shell, and the purpose of protecting parts inside the elastic vibration shell is achieved.
3. Can send alarm signal and pressure value to ground control center, make things convenient for the staff to analyze the pore wall stability, master the pore wall degree of collapsing to take measures in time to remedy.
4. After the linear electric motor starts, the elastic vibration shell can expand and contract repeatedly to hit the pore wall fast, the pore wall of the place that will collapse is tamped fast, and the serious condition that causes the re-punching because of the further deterioration of the hole that collapses is prevented from appearing.
5. After the linear electric motor starts, the limiting plate above the counterweight ball can extrude the storage bag, so that slurry stored in the storage bag is sprayed out after passing through the material guide pipe, the single valve, the material spraying frame and the spray head, the concentration of slurry outside the elastic vibration shell is adjusted, and the slurry retaining wall is more stable.
6. When the filter screen was blockked up by earth, the filter screen can in time be impaled to the liftout needle, makes the thick liquids in the work or material rest of spouting normally spout.
7. In the drilling process, the aim of continuously beating and tamping the hole wall is fulfilled by utilizing the centrifugal force of the drilling hole and the collision inertia of the elastic vibration shell; the linear motor can be started to drive the elastic vibration shell to expand and contract so as to improve the striking frequency and the striking force of the elastic vibration shell to the hole wall and effectively tamp the hole wall; meanwhile, the slurry can be sprayed out after the linear motor is started so as to adjust the slurry concentration outside the elastic vibration shell, the slurry is cement slurry doped with an accelerator, and after the cement slurry is hit by the elastic vibration shell and attached to the hole wall, the reinforcing speed and the reinforcing effect of the hole wall can be greatly improved; in addition, whether start linear electric motor and whitewashing, it is decided according to the pore wall situation of collapsing, and it is good to use the flexibility, helps reducing battery energy consumption and cement use amount.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting bracket and hole wall reinforcement mechanism of the present invention in assembled configuration;
FIG. 3 is a partial schematic view of FIG. 2 at A;
FIG. 4 is a partial schematic view of FIG. 2 at C;
FIG. 5 is a schematic view of an assembly structure of the spray frame, the spray head and the anti-blocking component of the present invention;
fig. 6 is a partial schematic view of fig. 5 at B.
In the figure: 1-rotating shaft, 2-mounting rack, 3-elastic vibration shell, 4-drilling bit, 5-rubber plug, 6-limit slide rail, 7-counterweight ball, 8-support elastic rod, 9-transmission rod, 10-limit plate, 11-hollow column, 12-storage bag, 13-guide pipe, 14-spraying rack, 15-one-way valve, 16-spraying head, 17-detection plug, 18-guide rod, 19-reset spring, 20-steering lever, 21-mounting plate, 22-fastening rack, 23-power storage spring, 24-power storage block, 25-ejection needle head, 26-steering plate, 27-discharging tank, 28-connecting rod, 29-detection contact, 30-alarm contact, 31-seat block, 32-contraction spring, 33-elastic sheet, 34-support rod, 35-vibration spring, 36-buffer plug, 37-buffer spring and 38-reciprocating jacking assembly.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 6, the hole wall reinforcing structure for a large-diameter deep and long pile construction hole comprises a rotating shaft 1 and a drill bit 4, wherein the drill bit 4 is connected with the rotating shaft 1 through a mounting frame 2, a plurality of hole wall reinforcing mechanisms are slidably mounted on the mounting frame 2, and the hole wall reinforcing mechanisms can move along the radial direction of the drill bit 4. In the drilling process, the rotating shaft 1 drives the drill bit 4 to rotate through the mounting frame 2, each hole wall reinforcing mechanism can hit the hole wall under the action of centrifugal force, and due to the fact that the hole wall reinforcing mechanisms are connected with the mounting frame 2 in a sliding mode, the hole wall reinforcing mechanisms can retreat for a certain distance after colliding with the hole wall, then hit the hole wall under the action of centrifugal force again, and the hole wall is tamped repeatedly. Meanwhile, the hole wall reinforcing mechanism is connected with the mounting frame 2 in a sliding mode, so that the processes of striking and tamping the hole wall by the hole wall reinforcing mechanism are basically not limited by the conditions such as the shape of the hole wall.
The longitudinal section of the mounting rack 2 is I-shaped, a plurality of hole wall reinforcing mechanisms are uniformly distributed on the mounting rack 2, limiting slide rails 6 are radially arranged on the mounting rack 2, and two ends of each hole wall reinforcing mechanism are respectively connected with the limiting slide rails 6 in a sliding mode through rubber plugs 5. The hole wall reinforcing mechanism is tightly attached to the limiting slide rail 6 through the rubber plug 5, so that external slurry is prevented from being poured into the elastic vibration shell 3, and the purpose of protecting parts on the inner side of the elastic vibration shell 3 is achieved.
Pore wall strengthening mechanism includes elastic vibration casing 3 and counter weight ball 7, and counter weight ball 7 is located elastic vibration casing 3, and counter weight ball 7 supports the interior wall connection of elastic rod 8 and elastic vibration casing 3 through two. When the pore wall is beaten to elasticity vibrations casing 3, counter weight ball 7 can vibrate under the inertia effect to transmit the vibration for elasticity vibrations casing 3 through supporting elastic rod 8, elasticity vibrations casing 3 can further conduct the vibration to the outside earth of pore wall in, thereby tamp the pore wall soil all around, with the stability that improves the pore wall, mud and the mud dado in the hole also can be beaten to this vibration simultaneously, thereby make the dado firmer that mud formed.
The top and the bottom of the internal mounting bracket 2 of the elastic vibration shell 3 are correspondingly provided with a hollow column 11, and the upper side and the lower side of the counterweight ball 7 are both connected with the hollow column 11 in a sliding manner through a transmission rod 9 and a limiting plate 10. The counterweight ball 7 is limited by the transmission rod 9, the limiting plate 10 and the hollow column 11, so that the counterweight ball can only do reciprocating linear motion in the axial direction of the rotating shaft 1.
The bottom of the mounting frame 2 is provided with a reciprocating jacking assembly 38 on the inner side of the hollow column 11, the reciprocating jacking assembly 38 is connected with a buffer plug 36 through a buffer spring 37, the buffer plug 36 is slidably connected with the hollow column 11, and the transmission rod 9 is rotatably connected with the inner wall of the elastic vibration shell 3 through a plurality of push-pull rods; a plurality of limiting assemblies are uniformly arranged on the inner wall of the elastic vibration shell 3 at positions with elevations of the counterweight balls 7 and the like, each limiting assembly comprises an elastic sheet 33 and two vibration springs 35 arranged side by side, and two ends of each vibration spring 35 are connected with the elastic sheet 33 and the elastic vibration shell 3 through supporting rods 34 respectively. When the reciprocating jacking device is used, the reciprocating jacking assembly 38 is a linear motor, the linear motor is electrically connected with the storage battery and the controller, and an output shaft of the linear motor is connected with the buffer plug 36 through a buffer spring 37. In the drilling process, linear electric motor orders about limiting plate 10, transfer line 9 and counter weight ball 7 and does straight reciprocating motion from top to bottom, and counter weight ball 7 orders about elasticity vibrations casing 3 through supporting elastic rod 8 and expands repeatedly and contract, and transfer line 9 orders about elasticity vibrations casing 3 through many push-pull rods and expands repeatedly and contract simultaneously to hit the pore wall fast, can tamp the pore wall of the department of collapsing fast, prevent to appear because of the further serious condition that worsens and lead to perforating again of the hole of collapsing. The shrinkage degree of the elastic vibration shell 3 is limited by the limiting component matched with the counterweight ball 7 so as to protect the parts arranged on the inner side of the elastic vibration shell 3.
A plurality of anti-blocking parts are uniformly arranged in the material spraying frame 14 and comprise a pressure sensing assembly and a puncture assembly, and the puncture assembly is movably connected with the pressure sensing assembly through a steering lever 20.
The pressure sensing assembly comprises a detection plug 17, a guide rod 18 is installed on one side of the detection plug 17 and is connected with the inner wall of the material spraying frame 14 through two reset springs 19 which are arranged side by side, and the central axis of each reset spring 19 is arranged along the radial direction of the material spraying frame 14; the puncture assembly comprises an ejection needle head 25, a mounting plate 21 and a steering plate 26, a discharge groove 27 is processed on the outer circular surface of the ejection needle head 25, the mounting plate 21 is connected with the spraying frame 14 in a sliding mode, one side of the mounting plate 21 is connected with the guide rod 18 through a steering lever 20 in a rotating mode, the other side of the mounting plate 21 is connected with the ejection needle head 25 through a fastening frame 22, a force storage spring 23 and a force storage block 24, the steering plate 26 is mounted on the inner wall of the spraying frame 14, and one side of the steering plate is connected with an inclined surface B on the force storage block 24 through an inclined surface A in a sliding mode. As shown in fig. 5 and 6, when the filter screen is clogged by mud, as the slurry in the storage bag 12 continues to enter the material spraying frame 14 through the material guiding pipe 13, the pressure in the material spraying frame 14 gradually increases, the slurry in the material spraying frame 14 pushes the detection plug 17 to move away from the central axis of the material spraying frame 14 against the action of the return spring 19, and at the same time, the guide rod 18 pushes the mounting plate 21 to move closer to the filter screen through the steering lever 20 (in an initial state, the connection point of the steering lever 20 and the guide rod 18 is closer to the central axis of the material spraying frame 14 than the connection point of the steering lever 20 and the mounting plate 21), the power storage spring 23 is gradually compressed, the power storage block 24 also gradually slides towards the filter screen, and under the action of the inclined plane a and the inclined plane B, the needle tip of the ejecting needle 25 is gradually deflected towards the central axis of the material spraying frame 14, at the moment when the power storage block 24 is separated from the steering plate 26, the elastic potential energy of the power storage spring 23 is released, so that the ejection needle 25 is pushed to pierce the filter screen, the slurry in the material spraying frame 14 can be sprayed out through the material discharge groove 27 on the ejection needle 25, and soil blocked on the filter screen is gradually washed away in the spraying process, so that the slurry can be normally sprayed out, and the concentration of the slurry outside the elastic vibration shell 3 is adjusted. When the pressure in the injector frame 14 is reduced, the detection plug 17 and the puncture assembly are gradually reset under the action of the reset spring 19.
The hole wall reinforcing mechanism further comprises a detection contact 29, an alarm contact 30 and a controller, the detection contact 29 is connected with the upper portion of the counterweight ball 7 through a connecting rod 28, a wireless transmitting module is installed at the top of the installation frame 2, the alarm contact 30 is installed at the position corresponding to the detection contact 29, and the controller is electrically connected with the wireless transmitting module, the detection contact 29 and the alarm contact 30. When the device is used, a storage battery is further mounted on the mounting frame 2 on the inner side of the elastic vibration shell 3, and the storage battery supplies power to the controller, the linear motor and the like. In drilling process, when the condition of collapsing appeared in the pore wall, the soil that falls that collapses can extrude elasticity vibrations casing 3, makes elasticity vibrations casing 3 shrink, further makes counter weight ball 7, connecting rod 28 and detection contact 29 rebound, and after detection contact 29 contacted with alarm contact 30, the controller can send alarm signal to ground wireless receiving module through wireless transmitting module, then transmits for control center.
A seat block 31 is installed at the top of the installation frame 2, a pressure sensor is installed on the seat block 31 and electrically connected with the controller, and one side, far away from the detection contact 29, of the alarm contact 30 is slidably connected with the seat block 31 through a plurality of sliding rods and is connected with the pressure sensor through a contraction spring 32. After the detection contact 29 contacts with the alarm contact 30, if the hole that collapses further worsens, elastic vibration casing 3 can further shrink, counter weight ball 7, connecting rod 28 and detection contact 29 continue to upwards remove, it upwards pushes away force transducer through alarm contact 30 and shrink spring 32 to detect contact 29, force transducer gives the controller with pressure value real-time transmission, the controller transmits the pressure value for ground wireless receiving module through wireless transmitting module, then transmit for control center, make things convenient for staff analysis pore wall stability, master pore wall degree of collapsing, and take measures and in time remedy.
The hole wall reinforcing structure of the large-diameter deep long pile construction hole has the following working principle:
in the drilling process, the rotating shaft 1 drives the drill bit 4 to rotate through the mounting frame 2, each hole wall reinforcing mechanism can hit the hole wall under the action of centrifugal force, and due to the fact that the hole wall reinforcing mechanisms are connected with the mounting frame 2 in a sliding mode, the hole wall reinforcing mechanisms can retreat for a certain distance after colliding with the hole wall, then hit the hole wall under the action of centrifugal force again, and the hole wall is tamped repeatedly. Meanwhile, the hole wall reinforcing mechanism is connected with the mounting frame 2 in a sliding mode, so that the processes of striking and tamping the hole wall by the hole wall reinforcing mechanism are basically not limited by the conditions such as the shape of the hole wall.
When the condition of collapsing appeared in the pore wall, the soil that falls that collapses can extrude elasticity vibrations casing 3, makes elasticity vibrations casing 3 shrink, and counter weight ball 7, connecting rod 28 and detection contact 29 can upwards move simultaneously, and after detection contact 29 and alarm contact 30 contacted, the controller can send alarm signal to ground wireless receiving module through wireless transmitting module, then transmits for control center (like central control system etc.). Meanwhile, if the hole collapse is further deteriorated, the detection contact 29 pushes the pressure sensor upwards through the alarm contact 30 and the contraction spring 32, the pressure sensor transmits the pressure value to the controller in real time, and the controller transmits the pressure value to the ground wireless receiving module through the wireless transmitting module and then to the control center.
After ground staff received alarm signal and pressure value, can wireless start linear electric motor, linear electric motor orders about limiting plate 10, transfer line 9 and counter weight ball 7 do straight reciprocating motion from top to bottom, counter weight ball 7 orders about elastic vibration casing 3 through supporting bouncing rod 8 and expands and contracts repeatedly, transfer line 9 orders about elastic vibration casing 3 through many push-and-pull rods and expands and contracts repeatedly simultaneously, hit the pore wall fast with beating, the pore wall that will collapse the department tamps fast, prevent to appear leading to the condition of perforating again because of collapsing the further deterioration of hole. In addition, the limiting plate 10 above the counterweight ball 7 extrudes the storage bag 12, so that the slurry stored in the storage bag 12 is injected into the material guiding pipe 13, then enters the spraying frame 14 through the one-way valve 15, and finally is sprayed out from the spraying head 16 to adjust the concentration of the slurry outside the elastic vibration shell 3, and further the slurry wall protection is more stable.
When the filter screen is blocked by mud, as the slurry in the storage bag 12 continuously enters the material spraying frame 14 through the material guiding pipe 13, the pressure in the material spraying frame 14 gradually increases, the slurry in the material spraying frame 14 pushes the detection plug 17 to move in a direction far away from the central axis of the material spraying frame 14 against the action of the return spring 19, meanwhile, the guide rod 18 pushes the mounting plate 21 to move in a direction close to the filter screen through the steering lever 20, the force storage spring 23 is gradually compressed, the force storage block 24 also gradually slides in a direction close to the filter screen, under the action of the inclined surface a and the inclined surface B, the needle point of the ejecting needle head 25 gradually deflects in a direction close to the central axis of the material spraying frame 14, when the force storage block 24 is separated from the steering plate 26, the elastic potential energy of the force storage spring 23 is released, so as to push the ejecting needle head 25 to pierce the filter screen, the slurry in the material spraying frame 14 can be ejected through the discharging groove 27 on the ejecting needle head 25, and gradually washes away the mud blocked on the filter screen in the spraying process, so that the slurry can be normally sprayed out, and the concentration of the slurry outside the elastic vibration shell 3 can be normally adjusted. When the pressure in the injector frame 14 is reduced, the detection plug 17 and the puncture assembly are gradually reset under the action of the reset spring 19.
The hole wall reinforcing structure of the large-diameter deep long pile construction hole provided by the invention has the following beneficial effects:
1. in the drilling process, each hole wall reinforcing mechanism can continuously hit and tamp the hole wall under the action of centrifugal force and collision; meanwhile, the hole wall reinforcing mechanism is connected with the mounting frame 2 in a sliding mode, so that the process of hitting and tamping the hole wall by the hole wall reinforcing mechanism is more flexible, and the limit of the hole wall shape and other conditions is basically avoided.
2. The hole wall reinforcing mechanism is tightly attached to the limiting slide rail 6 through the rubber plug 5, so that external slurry is prevented from being poured into the elastic vibration shell 3, and the purpose of protecting parts on the inner side of the elastic vibration shell 3 is achieved.
3. Can send alarm signal and pressure value to ground control center, make things convenient for the staff to analyze the pore wall stability, master the pore wall degree of collapsing to take measures in time to remedy.
4. After linear electric motor started, elasticity vibrations casing 3 can expand repeatedly and contract to hit the pore wall fast, the pore wall that will collapse the department tamps fast, prevents to appear leading to the serious condition of perforating again because of collapsing the further aggravation of hole.
5. After the linear motor is started, the limiting plate 10 above the counterweight ball 7 extrudes the material storage bag 12, so that slurry stored in the material storage bag 12 is sprayed out after passing through the material guide pipe 13, the one-way valve 15, the material spraying frame 14 and the spray head 16, the concentration of slurry outside the elastic vibration shell 3 is adjusted, and the slurry wall protection is more stable.
6. When the filter screen is blocked by mud, the ejection needle 25 can pierce the filter screen in time, so that the slurry in the material spraying frame 14 can be normally sprayed out.
7. In the drilling process, the aim of continuously beating and tamping the hole wall is fulfilled by utilizing the drilling centrifugal force and the collision inertia of the elastic vibration shell 3; the linear motor can be started to drive the elastic vibration shell 3 to expand and contract so as to improve the striking frequency and the striking force of the elastic vibration shell 3 on the hole wall and effectively tamp the hole wall; meanwhile, the slurry can be sprayed out after the linear motor is started so as to adjust the slurry concentration outside the elastic vibration shell 3, the slurry is cement slurry doped with an accelerator, and after the cement slurry is hit by the elastic vibration shell 3 and attached to the hole wall, the reinforcing speed and the reinforcing effect of the hole wall can be greatly improved; in addition, whether start linear electric motor and whitewashing, it is decided according to the pore wall situation of collapsing, and it is good to use the flexibility, helps reducing battery energy consumption and cement use amount.
Claims (10)
1. The utility model provides a pore wall reinforced structure in deep long pile construction hole of major diameter which characterized in that: including axis of rotation (1) and drill bit (4), drill bit (4) are connected with axis of rotation (1) through mounting bracket (2), the activity is equipped with a plurality of hole wall strengthening mechanisms on mounting bracket (2), and the radial movement of drill bit (4) can be followed to hole wall strengthening mechanism.
2. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 1, characterized in that: the longitudinal section of the mounting rack (2) is I-shaped; a plurality of hole wall reinforcing mechanisms are uniformly distributed on the mounting rack (2), limiting slide rails (6) are arranged on the mounting rack (2) along the radial direction, and two ends of each hole wall reinforcing mechanism are respectively connected with the limiting slide rails (6) in a sliding mode through rubber plugs (5).
3. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 1, characterized in that: pore wall strengthening mechanism includes elastic vibration casing (3) and counter weight ball (7), and counter weight ball (7) are located elastic vibration casing (3), and the inner wall connection of counter weight ball (7) through a plurality of support spring rods (8) and elastic vibration casing (3).
4. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 3, characterized in that: the top and the bottom of the internal mounting bracket (2) of elastic vibration casing (3) correspond and are equipped with hollow post (11), and the last downside of counter weight ball (7) all is through transfer line (9) and limiting plate (10) and hollow post (11) sliding connection.
5. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 4, characterized in that: the bottom of the mounting rack (2) is provided with a reciprocating jacking assembly (38) on the inner side of the hollow column (11), the reciprocating jacking assembly (38) is connected with a buffer plug (36) through a buffer spring (37), and the buffer plug (36) is in sliding connection with the hollow column (11); the transmission rod (9) is rotationally connected with the inner wall of the elastic vibration shell (3) through a plurality of push-pull rods; the position equipartition of elevations such as with counter weight ball (7) on the inner wall of elasticity vibrations casing (3) is equipped with the spacing subassembly of a plurality of, and spacing subassembly includes flexure strip (33) and vibration spring (35) that a plurality of was arranged side by side, and the both ends of vibration spring (35) are connected with flexure strip (33) and elasticity vibrations casing (3) through bracing piece (34) respectively.
6. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 4, characterized in that: the top of mounting bracket (2) is equipped with storage bag (12) in the inboard of hollow post (11), and the equipartition is equipped with a plurality of spray frame (14) on the outer wall of elastic vibration casing (3), and the one end of spray frame (14) is passed through passage (13) and is connected with storage bag (12), and the one end that is close to spray frame (14) on passage (13) is equipped with check valve (15), and the other end of spray frame (14) is equipped with shower nozzle (16), and is equipped with the filter screen on shower nozzle (16).
7. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 6, characterized in that: a plurality of anti-blocking parts are uniformly distributed in the material spraying frame (14), each anti-blocking part comprises a pressure sensing assembly and a puncture assembly, and the puncture assemblies are movably connected with the pressure sensing assemblies through steering levers (20).
8. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 7, characterized in that: the pressure sensing assembly comprises a detection plug (17), a guide rod (18) is arranged on one side of the detection plug (17) and is connected with the inner wall of the material spraying frame (14) through a plurality of reset springs (19) which are arranged side by side, and the central axis of each reset spring (19) is arranged along the radial direction of the material spraying frame (14); the puncture assembly comprises an ejection needle head (25), a mounting plate (21) and a steering plate (26), wherein a discharging groove (27) is formed in the outer circular surface of the ejection needle head (25), the mounting plate (21) is connected with the material spraying frame (14) in a sliding mode, one side of the mounting plate (21) is rotatably connected with the guide rod (18) through a steering lever (20), the other side of the mounting plate is connected with the ejection needle head (25) through a fastening frame (22), a force storage spring (23) and a force storage block (24), the steering plate (26) is arranged on the inner wall of the material spraying frame (14), and one side of the steering plate is connected with a slope B on the force storage block (24) in a sliding mode through a slope A.
9. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 3, characterized in that: the hole wall reinforcing mechanism further comprises a detection contact (29), an alarm contact (30) and a controller, the detection contact (29) is connected with the upper portion of the counterweight ball (7) through a connecting rod (28), a wireless transmitting module is arranged at the top of the mounting rack (2), the alarm contact (30) is arranged at the position corresponding to the detection contact (29), and the controller is electrically connected with the wireless transmitting module, the detection contact (29) and the alarm contact (30).
10. The hole wall reinforcing structure of a large-diameter deep long pile construction hole according to claim 9, characterized in that: the top of mounting bracket (2) is equipped with seat piece (31), and is equipped with pressure sensor on seat piece (31), pressure sensor and controller electric connection, keeps away from on alarm contact (30) one side that detects contact (29) through many slide bars and seat piece (31) sliding connection to be connected with pressure sensor through shrink spring (32).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232826.5A CN114412349B (en) | 2022-03-09 | 2022-03-09 | Hole wall reinforcing structure of large-diameter deep and long pile construction hole |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210232826.5A CN114412349B (en) | 2022-03-09 | 2022-03-09 | Hole wall reinforcing structure of large-diameter deep and long pile construction hole |
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| CN114412349B CN114412349B (en) | 2024-07-09 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209212157U (en) * | 2018-11-24 | 2019-08-06 | 李建飞 | A kind of novel coal seam is drilled solid hole device |
| CN209228307U (en) * | 2018-12-17 | 2019-08-09 | 中国建筑第五工程局有限公司 | It is a kind of to intersect close teeth drill bit |
| KR102037275B1 (en) * | 2019-05-30 | 2019-10-28 | 삼호엔지니어링 주식회사 | Partially expanding apparatus for underground pipe and composite cast in place pile method using the same |
| CN110952929A (en) * | 2019-12-25 | 2020-04-03 | 福州市建筑设计院 | Pipe following drilling system with hole wall tamping function |
| CN211173940U (en) * | 2019-12-24 | 2020-08-04 | 宁夏煤炭基本建设有限公司 | Civil engineering pile foundation drill bit |
| CN112796298A (en) * | 2021-01-05 | 2021-05-14 | 陕西隆岳地基基础工程有限公司 | Intelligent expanding device for pile extruding and expanding foundation treatment and treatment process thereof |
| CN213573867U (en) * | 2020-11-17 | 2021-06-29 | 中国电建集团贵州电力设计研究院有限公司 | Dig pore-forming soon and prevent hole device that collapses |
| CN213682144U (en) * | 2020-11-17 | 2021-07-13 | 中国电建集团贵州电力设计研究院有限公司 | Pore-forming lateral wall reinforcing apparatus |
| CN214695602U (en) * | 2021-03-25 | 2021-11-12 | 深圳陕色基础工程有限公司 | Extrusion expanding device for controlling hole collapse and improving bearing capacity and pile machine thereof |
-
2022
- 2022-03-09 CN CN202210232826.5A patent/CN114412349B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209212157U (en) * | 2018-11-24 | 2019-08-06 | 李建飞 | A kind of novel coal seam is drilled solid hole device |
| CN209228307U (en) * | 2018-12-17 | 2019-08-09 | 中国建筑第五工程局有限公司 | It is a kind of to intersect close teeth drill bit |
| KR102037275B1 (en) * | 2019-05-30 | 2019-10-28 | 삼호엔지니어링 주식회사 | Partially expanding apparatus for underground pipe and composite cast in place pile method using the same |
| CN211173940U (en) * | 2019-12-24 | 2020-08-04 | 宁夏煤炭基本建设有限公司 | Civil engineering pile foundation drill bit |
| CN110952929A (en) * | 2019-12-25 | 2020-04-03 | 福州市建筑设计院 | Pipe following drilling system with hole wall tamping function |
| CN213573867U (en) * | 2020-11-17 | 2021-06-29 | 中国电建集团贵州电力设计研究院有限公司 | Dig pore-forming soon and prevent hole device that collapses |
| CN213682144U (en) * | 2020-11-17 | 2021-07-13 | 中国电建集团贵州电力设计研究院有限公司 | Pore-forming lateral wall reinforcing apparatus |
| CN112796298A (en) * | 2021-01-05 | 2021-05-14 | 陕西隆岳地基基础工程有限公司 | Intelligent expanding device for pile extruding and expanding foundation treatment and treatment process thereof |
| CN214695602U (en) * | 2021-03-25 | 2021-11-12 | 深圳陕色基础工程有限公司 | Extrusion expanding device for controlling hole collapse and improving bearing capacity and pile machine thereof |
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| CN114412349B (en) | 2024-07-09 |
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