CN115126416A - High-pressure water control blowout prevention back pressure grouting device - Google Patents

Abstract

The invention discloses a high-pressure water-control blowout-prevention back-pressure grouting device, which relates to the technical field of high-pressure jet grouting and comprises a main body mechanism, an inflating mechanism, a swinging mechanism and a blowout-prevention mechanism; the mud cylinder is fixedly arranged above the supporting plate, the pouring cylinder is rotatably arranged in the middle of the supporting plate, the water cylinder is fixedly arranged above the mud cylinder, the inflating mechanism is arranged on the water cylinder, the swinging mechanism is slidably arranged on the supporting plate, the driving mechanism is arranged outside the mud cylinder, and the driving mechanism drives the pouring cylinder to rotate through the swinging mechanism; the blowout prevention mechanism is arranged outside the pouring cylinder, conveying mechanisms are arranged inside the slurry cylinder and the water cylinder, a closing mechanism is arranged inside the conveying mechanism, and the closing mechanism adjusts the communication position of the conveying mechanism and the slurry cylinder; the bottom of the casting cylinder is rotatably provided with a casting drill bit, and the inner part and the outer part of the casting cylinder are provided with self-locking mechanisms. The invention has the beneficial effects that: different substances can be poured respectively, so that the grouting safety is ensured; the swing angle and the pouring mode during grouting are changed, and the practicability is high.

Description

High-pressure water-control blowout-prevention back-pressure grouting device

Technical Field

The invention relates to the technical field of high-pressure jet grouting, in particular to a high-pressure water-control blowout-prevention back-pressure grouting device.

Background

The high-pressure jet grouting is to drill a hole by using a drilling machine, insert a grouting pipe with a nozzle to a preset position of a soil layer, make slurry become high-pressure jet flow of more than 20Mpa by using high-pressure equipment, and jet the high-pressure jet flow out of the nozzle to impact and damage the soil body. Part of fine soil material emerges from the water surface along with the slurry, and the rest soil particles are stirred and mixed with the slurry under the action of the impact force of jet flow, centrifugal force, gravity and the like, and are regularly rearranged according to a certain slurry-soil ratio. After the slurry is solidified, a consolidation body is formed in the soil and forms a composite foundation together with the soil between the piles, so that the bearing capacity of the foundation is improved, the deformation of the foundation is reduced, and the purpose of reinforcing the foundation is achieved. The high-pressure jet grouting is divided into three forms of rotary jet, directional jet and swing jet. However, in the prior art, during high-pressure injection grouting, because the pressure cannot be constantly controlled, particularly when the pressure instantly rises, the pressure instantly exceeds the bearing range of the orifice device, the water outlet of the slurry pump and the related sealing element of the pump head, so that injection accidents are easily caused, and the grouting form cannot be adjusted.

The invention patent of China with the prior art publication number of CN107237499B discloses a high-pressure jet grouting machine, which comprises a telescopic drill rod, a grouting pipe and a transmission device, wherein the grouting pipe is arranged inside the telescopic drill rod, the telescopic drill rod can protect the grouting pipe, and the grouting pipe is prevented from being damaged by the external working environment, so that the replacement frequency of the grouting pipe in the high-pressure jet grouting machine is reduced to a certain extent, and the construction efficiency is improved. The transmission device comprises a fixed pulley and a movable pulley, the grouting pipe sequentially bypasses the movable pulley and the fixed pulley and then is connected with the lower connector of the inner drill rod, the length of the grouting pipe is adjustable, the length of the grouting pipe changes along with the length of the telescopic drill rod, and the grouting pipe cannot be bent or broken in the telescopic drill rod, so that the possibility of damage of the grouting pipe is further reduced, and the replacement frequency of the grouting pipe is correspondingly reduced.

Although the length of the grouting pipe is adjustable and the service life of the grouting pipe is prolonged in the prior art, the problems of pressure protection, injection accidents and the like during grouting are still not solved, the grouting form cannot be changed, and the aperture of the bottom of a drill hole is generally required to be enlarged during grouting, so that the grouting effect is firmer and more stable; therefore, a high-pressure water-control blowout-prevention back-pressure grouting device is urgently needed.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: the high-pressure water-control blowout-prevention back-pressure grouting device comprises a main body mechanism, an inflation mechanism, a swinging mechanism and a blowout-prevention mechanism; the main body mechanism comprises a supporting plate and a mud barrel, the mud barrel is fixedly arranged above the supporting plate, a pouring barrel is rotatably arranged in the middle of the supporting plate, a water barrel is fixedly arranged above the mud barrel, an inflating mechanism is arranged on the water barrel, the inflating mechanism comprises an air cavity and air pipes, the air cavity is fixedly arranged on the water barrel, the air pipes are fixedly arranged at the bottom of the air cavity, and the air pipes are arranged inside the water barrel; the swing mechanism is slidably mounted on the supporting plate, a driving mechanism is arranged outside the slurry barrel, and the driving mechanism drives the pouring barrel to rotate through the swing mechanism; the blowout prevention mechanism comprises an inflation ring and an air pump, the inflation ring is fixedly arranged below the supporting plate, the pouring cylinder is rotatably arranged inside the inflation ring, the air pump is fixedly arranged outside the slurry cylinder and connected with the inflation ring, conveying mechanisms are arranged inside the slurry cylinder and the water cylinder, each conveying mechanism comprises a conveying cylinder and a cover cylinder, the cover cylinders are fixedly arranged above the conveying cylinders, the conveying cylinders are fixedly arranged in the middles of the slurry cylinder and the water cylinder, and a closing mechanism is arranged inside the conveying mechanisms and used for adjusting the communication positions of the conveying mechanisms and the slurry cylinder; and a casting drill bit is rotatably arranged at the bottom of the casting cylinder, and a self-locking mechanism is arranged inside and outside the casting cylinder.

Further, actuating mechanism includes carousel, adjusting part, and the carousel rotates to be installed on the carousel frame of a mud section of thick bamboo, and adjusting part sets up on the carousel, adjusting part includes accommodate motor, lead screw, and accommodate motor fixed mounting is inside the carousel, and fixed mounting has the driving gear on accommodate motor's the output shaft, and the lead screw rotates to be installed in the carousel bottom, and lead screw tip fixed mounting has reduction gear, driving gear and reduction gear meshing. When the rotary table rotates, the adjusting assembly is driven to revolve, the adjusting motor drives the driving gear to rotate, the driving gear drives the reduction gear to rotate, and the reduction gear drives the screw rod to rotate.

Furthermore, the swing mechanism comprises a rack and a swing rod, the rack is slidably mounted on the supporting plate, the end of the swing rod is rotatably mounted at the tail of the rack, an electric cylinder is fixedly mounted on the swing rod, a driving block is fixedly mounted at the output end of the electric cylinder, the top of the driving block is rotatably mounted on the lead screw, a swing groove is formed in the swing rod, and the bottom of the driving block is slidably mounted on the swing groove. The lead screw makes the drive block move on the lead screw when rotating, and the drive block bottom moves on the swing groove, and the position of drive block is fixed to the electric jar, drives the synchronous rotation of drive block when the carousel rotates, drives the pendulum rod swing when the drive block rotates, and the pendulum rod drives the rack and slides on first support, and the position of drive block is adjusted to adjusting part, through the amplitude of swing that changes the pendulum rod, changes the slip stroke of rack to change the turned angle of pouring gear and pouring cylinder.

Furthermore, the pouring cylinder is rotatably installed at the bottom of the slurry cylinder, the pouring cylinder and the slurry cylinder are coaxial, the top of the pouring cylinder is fixedly provided with a pouring gear, the pouring gear is arranged outside the slurry cylinder, and the rack is meshed with the pouring gear. The rack drives the pouring gear to rotate when sliding on the first support, and the pouring gear drives the pouring cylinder to rotate.

Furthermore, the inflation mechanism further comprises an inflator pump, the inflator pump is fixedly installed with the air cavity, a plurality of air holes are formed in the air pipe, a conveying hole is formed between the conveying cylinder and the cover cylinder, the height of the conveying hole is higher than that of the air holes, and when water in the water cylinder flows to the inside of the conveying cylinder, all the air holes are located in the water. The inflator pump fills air into the air cavity, the air in the air cavity enters the air pipe, and the air enters the water in the water cylinder through the air hole to form small bubbles.

Further, the closing mechanism comprises a closed electric cylinder and a ring plug, the closed electric cylinder is fixedly installed inside the conveying cylinder, a plurality of feeding holes and cleaning holes are formed in the conveying cylinder, the ring plug is slidably installed inside the conveying cylinder, the closed electric cylinder and the conveying cylinder are coaxial, the ring plug is fixedly installed at the output end of the closed electric cylinder, the height of the ring plug is larger than the radius of the cleaning holes, and the ring plug is provided with a ring hole. When the closed electric cylinder contracts, the ring plug seals the cleaning hole, and air or water in the water cylinder directly falls into the pouring cylinder from the conveying cylinder through the ring plug.

Further, conveying mechanism still includes the reposition of redundant personnel round pin, and reposition of redundant personnel round pin fixed mounting is inside the conveying cylinder, and the reposition of redundant personnel round pin sets up between purge orifice and pan feeding hole, and the reposition of redundant personnel round pin sets up in pan feeding hole top, and the pan feeding hole sets up in the purge orifice below, is provided with the plunger on the reposition of redundant personnel round pin, and the radius of plunger equals with the radius of annular ring. When the electric cylinder is closed and extends, the cleaning hole is opened by the annular plug, the annular hole is contacted with the plunger, the shunt pin is sealed by the annular plug, and substances in the water cylinder enter the mud cylinder from the cleaning hole.

Furthermore, the self-locking mechanism comprises an electromagnet and a bolt, the electromagnet is fixedly installed on a groove in the pouring cylinder, the bolt is slidably installed on the groove, a spring is arranged between the electromagnet and the bolt, a self-locking groove is formed in the pouring drill bit, and the bolt is meshed with the self-locking groove. The electromagnet is electrified to enable the bolt to move towards the electromagnet, the spring is compressed, and the engagement of the bolt and the self-locking groove is disconnected.

Furthermore, a plurality of rows of injection ports are symmetrically arranged in the axial direction of the casting drill bit, the plurality of rows of injection ports are uniformly distributed around the casting drill bit, and the axial line of each injection port is parallel to the radius of the casting drill bit. And water, slurry or air in the pouring cylinder enters the pouring drill bit and is sprayed out from the spraying opening, so that the spraying opening is driven to rotate, and the drilling hole is subjected to omnibearing grouting.

Furthermore, a slurry hole is formed in the slurry barrel, a water inlet is formed in the water barrel, and one-way valves are arranged on the slurry hole and the water barrel.

Compared with the prior art, the invention has the beneficial effects that: (1) the mud cylinder and the water cylinder can respectively realize the pouring of different substances; (2) the inflation mechanism and the conveying mechanism work in an auxiliary mode, so that the pressurizing of the pouring substance can be realized, and the pouring quality is improved; (3) the closing mechanism provided by the invention can realize cleaning of the mud cylinder, prevent long-time mud residue from damaging the casting cylinder and prolong the service life of the mud cylinder; (4) the blowout prevention mechanism provided by the invention can protect the grouting process, prevent the poured substances from being sprayed out and ensure the grouting safety; (5) the driving mechanism and the swinging mechanism are mutually assisted to change the swinging angle during swinging grouting; (6) the self-locking mechanism arranged in the invention can change the pouring mode, and can enlarge the aperture of the bottom of the drill hole, so that the grouting effect is more stable, the application range is wider, and the practicability is strong.

Drawings

Fig. 1 is a schematic view of a first view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a front view of the overall structure of the present invention.

Fig. 4 is a sectional view taken along the line a-a in fig. 3.

Fig. 5 is a schematic view of the overall structure of the present invention with the mud drum removed.

Fig. 6 is a partially enlarged view of a portion a in fig. 1.

Fig. 7 is a partially enlarged view of a portion B in fig. 5.

Fig. 8 is a partially enlarged view of a portion C in fig. 2.

Fig. 9 is a partially enlarged view of a portion D in fig. 2.

Fig. 10 is a partially enlarged view of a portion E in fig. 4.

Fig. 11 is a sectional view taken in the direction B-B in fig. 3.

Reference numerals: 1-a main body mechanism; 11-a support plate; 12-a casting cylinder; 13-a mud cylinder; 14-a water cylinder; 15-casting the drill bit; 16-a self-locking mechanism; 111-a first scaffold; 112-a second bracket; 121-casting a gear; 122-a groove; 131-mud holes; 132-a turret frame; 133-motor rack; 141-a water inlet; 151-injection port; 152-self-locking groove; 161-an electromagnet; 162-a spring; 163-latch; 2-a drive mechanism; 21-a drive motor; 22-a turntable; 23-a regulating component; 24-a drive block; 231-a regulating motor; 232-a drive gear; 233-reduction gear; 234-lead screw; 221-a fixed pin; 3-a swing mechanism; 31-a rack; 32-swing link; 33-an electric cylinder; 321-a swing groove; 4-an inflation mechanism; 41-air cavity; 42-trachea; 43-an inflator pump; 421-air holes; 5-a conveying mechanism; 51-a delivery cartridge; 52-cover cylinder; 53-a shunt pin; 511-a delivery orifice; 512-cleaning holes; 513-a feeding hole; 531-plunger; 6-a blowout prevention mechanism; 61-an inflatable ring; 62-an air pump; 7-a closing mechanism; 71-closing the electric cylinder; 72-ring plug; 721-ring hole.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): the high-pressure water-control blowout-preventing back-pressure grouting device shown in the figures 1-11 comprises a main body mechanism 1, an inflating mechanism 4, a swinging mechanism 3 and a blowout-preventing mechanism 6; the main body mechanism 1 comprises a supporting plate 11 and a mud barrel 13, the mud barrel 13 is fixedly arranged above the supporting plate 11, a pouring barrel 12 is rotatably arranged in the middle of the supporting plate 11, a water barrel 14 is fixedly arranged above the mud barrel 13, an inflation mechanism 4 is arranged on the water barrel 14, the inflation mechanism 4 comprises an air cavity 41 and an air pipe 42, the air cavity 41 is fixedly arranged on the water barrel 14, the air pipes 42 are fixedly arranged at the bottom of the air cavity 41, and the air pipe 42 is arranged inside the water barrel 14; the swing mechanism 3 is slidably mounted on the supporting plate 11, the driving mechanism 2 is arranged outside the slurry barrel 13, and the driving mechanism 2 drives the pouring barrel 12 to rotate through the swing mechanism 3; the blowout prevention mechanism 6 comprises an inflation ring 61 and an air pump 62, the inflation ring 61 is fixedly installed below the supporting plate 11, the pouring cylinder 12 is rotatably installed inside the inflation ring 61, the air pump 62 is fixedly installed outside the slurry cylinder 13, the air pump 62 is connected with the inflation ring 61, conveying mechanisms 5 are arranged inside the slurry cylinder 13 and the water cylinder 14, each conveying mechanism 5 comprises a conveying cylinder 51 and a cover cylinder 52, the cover cylinders 52 are fixedly installed above the conveying cylinders 51, the conveying cylinders 51 are fixedly installed in the middles of the slurry cylinder 13 and the water cylinder 14, closing mechanisms 7 are arranged inside the conveying mechanisms 5, and the closing mechanisms 7 adjust the communication positions of the conveying mechanisms 5 and the slurry cylinder 13; the bottom of the casting cylinder 12 is rotatably provided with a casting drill bit 15, and the inner part and the outer part of the casting cylinder 12 are provided with self-locking mechanisms 16.

As shown in fig. 2, 3, 5, and 11, in the main mechanism 1, a pouring cylinder 12 is rotatably mounted in the middle of a support plate 11, the support plate 11 is provided with a first support 111 and a second support 112, the pouring cylinder 12 is fixedly mounted with a pouring gear 121, the pouring gear 121 is disposed in the middle of the second support 112, a mud cylinder 13 is fixedly mounted on the second support 112, the pouring cylinder 12 is rotatably mounted at the bottom of the mud cylinder 13, the pouring cylinder 12 and the mud cylinder 13 are coaxial, the pouring gear 121 is disposed outside the mud cylinder 13, the mud cylinder 13 is provided with a mud hole 131, a rotating disc frame 132, a motor frame 133, a water cylinder 14 is fixedly mounted above the mud cylinder 13, and the mud hole 131 and the water cylinder 14 are both provided with a check valve; the pouring drill bit 15 is rotatably installed at the bottom of the pouring cylinder 12, a plurality of rows of injection ports 151 are symmetrically arranged on the pouring drill bit 15 in the axial direction, the plurality of rows of injection ports 151 are uniformly distributed around the pouring drill bit 15, the axial line of each injection port 151 is parallel to the radius of the pouring drill bit 15, water, slurry or air in the pouring cylinder 12 enters the pouring drill bit 15 and is injected from the injection ports 151, and therefore the injection ports 151 are driven to rotate to process drilling.

As shown in fig. 2, 3, 4, and 10, the self-locking mechanism 16 is disposed inside the pouring cylinder 12, the self-locking mechanism 16 includes an electromagnet 161, a spring 162, and a plug 163, a groove 122 is disposed inside the pouring cylinder 12, the electromagnet 161 is fixedly mounted on the groove 122, the plug 163 is slidably mounted on the groove 122, the spring is disposed between the electromagnet 161 and the plug 163, a self-locking groove 152 is disposed on the pouring drill 15, when the electromagnet 161 is not energized, the plug 163 is in a preliminary compression state, the plug 163 is engaged with the self-locking groove 152, and at this time, the pouring cylinder 12 drives the pouring drill 15 to rotate when rotating; when the electromagnet 161 is energized, the plug 163 moves toward the electromagnet 161, the spring 162 is further compressed, and the engagement between the plug 163 and the self-locking groove 152 is released, and at this time, when the pouring cylinder 12 does not rotate, the pouring head 15 rotates.

As shown in fig. 2, 3, 5, 6 and 7, the driving mechanism 2 is disposed outside the mud drum 13, the driving motor 21 is fixedly mounted on the motor frame 133, the rotating disc 22 is rotatably mounted on the rotating disc frame 132, the rotating disc 22 is fixedly mounted with an output shaft of the driving motor 21, and the driving motor 21 drives the rotating disc 22 to rotate; the adjusting assembly 23 is arranged on the rotary table 22, a fixing pin 221 is arranged at the bottom of the rotary table 22, the adjusting assembly 23 comprises an adjusting motor 231, a driving gear 232, a reduction gear 233 and a lead screw 234, the adjusting motor 231 is fixedly arranged inside the rotary table 22, the driving gear 232 is fixedly arranged on an output shaft of the adjusting motor 231, the lead screw 234 is rotatably arranged on the fixing pin 221 at the bottom of the rotary table 22, the reduction gear 233 is fixedly arranged at the end of the lead screw 234, the driving gear 232 is meshed with the reduction gear 233, the adjusting assembly 23 is driven to revolve when the rotary table 22 rotates, the adjusting motor 231 drives the driving gear 232 to rotate, the driving gear 232 drives the reduction gear 233 to rotate, the reduction gear 233 drives the lead screw 234 to rotate, the top of the driving block 24 is rotatably arranged on the lead screw 234, the driving gear 232 and the reduction gear 233 change the rotating speed of the lead screw 234, and the position of the driving block 24 is adjusted.

As shown in fig. 5 and 6, the swing mechanism 3 is disposed on the first bracket 111 of the support plate 11, the rack 31 is slidably mounted on the support plate 11, the end of the swing rod 32 is rotatably mounted at the tail of the rack 31, the swing rod 32 is provided with a swing groove 321, the bottom of the driving block 24 is slidably mounted on the swing groove 321, the driving block 24 moves on the screw rod 234 when the screw rod 234 rotates, and the bottom of the driving block 24 moves on the swing groove 321; the electric cylinder 33 is fixedly arranged on the swing rod 32, and the output end of the electric cylinder 33 is fixedly arranged with the driving block 24; the electric cylinder 33 fixes the position of the driving block 24, the driving block 24 is driven to synchronously rotate when the turntable 22 rotates, the swing rod 32 is driven to swing when the driving block 24 rotates, and the swing rod 32 drives the rack 31 to slide on the first support 111; the rack 31 is meshed with the pouring gear 121, the rack 31 drives the pouring gear 121 to rotate when sliding on the first support 111, and the pouring gear 121 drives the pouring cylinder 12 to rotate; the position of the driving block 24 is adjusted, and the sliding stroke of the rack 31 is changed by changing the swinging amplitude of the swinging rod 32, so that the rotating angle of the pouring gear 121 and the pouring cylinder 12 is changed.

As shown in fig. 4 and 8, the inflating mechanism 4 is disposed above the water cylinder 14, the air chamber 41 is fixedly mounted on the water cylinder 14, the inflator 43 is fixedly mounted with the air chamber 41, the inflator 43 inflates air into the air chamber 41, the air pipes 42 are fixedly mounted at the bottom of the air chamber 41, the air pipes 42 are disposed inside the water cylinder 14, the air pipes 42 are provided with a plurality of air holes 421, the height of the delivery holes 511 is higher than that of the air holes 421, when water in the water cylinder 14 flows into the delivery cylinder 51, the air holes 421 are all located in the water, the inflator 43 inflates air into the air chamber 41, the air inside the air chamber 41 enters the air pipes 42, and the air enters the water inside the water cylinder 14 through the air holes 421 to form small bubbles.

As shown in fig. 2, 8 and 9, the conveying mechanism 5 is arranged inside the slurry cylinder 13 and the water cylinder 14, the cover cylinder 52 is fixedly arranged above the top of the conveying cylinder 51, the conveying cylinder 51 is fixedly arranged in the middle of the slurry cylinder 13 and the water cylinder 14, a conveying hole 511 is arranged between the conveying cylinder 51 and the cover cylinder 52, a plurality of feeding holes 513 and cleaning holes 512 are arranged on the conveying cylinder 51, the feeding holes 513 are arranged below the cleaning holes 512, the shunting pin 53 is fixedly arranged inside the conveying cylinder 51, the shunting pin 53 is arranged between the cleaning holes 512 and the feeding holes 513, and a plunger 531 is arranged on the shunting pin 53.

As shown in fig. 8, 2 and 9, the closing mechanism 7 is arranged inside the conveying cylinder 51, the closing mechanism 7 controls the path of the material in the water cylinder 14 flowing into the mud cylinder 13, the closed electric cylinder 71 is fixedly arranged inside the conveying cylinder 51, the conveying cylinder 51 is provided with a plurality of feeding holes 513 and cleaning holes 512, the annular plug 72 is slidably arranged inside the conveying cylinder 51, the closed electric cylinder 71 and the conveying cylinder 51 are coaxial, the annular plug 72 is fixedly arranged at the output end of the closed electric cylinder 71, the annular plug 72 is arranged above the diversion pin 53, the height of the annular plug 72 is larger than the radius of the cleaning holes 512, the annular plug 72 is provided with an annular hole 721, and the radius of the plunger 531 is equal to the radius of the annular hole 721; when the closed electric cylinder 71 contracts, the annular plug 72 closes the cleaning hole 512, air or water in the water cylinder 14 directly falls into the pouring cylinder 12 from the conveying cylinder 51 through the annular plug 72, when the closed electric cylinder 71 extends, the annular plug 72 opens the cleaning hole 512, the annular hole 721 is in contact with the plunger 531, the annular plug 72 closes the shunt pin 53, and substances in the water cylinder 14 enter the slurry cylinder 13 from the cleaning hole 512.

As shown in fig. 1 and 4, the blowout preventing mechanism 6 is arranged outside the support plate 11, the air charging ring 61 is arranged below the support plate 11, the air charging ring 61 is fixedly arranged at the bottom of the support plate 11, the pouring cylinder 12 is rotatably arranged in the middle of the air charging ring 61, the air pump 62 is arranged outside the mud cylinder 13, the air pump 62 is fixedly arranged with the air charging ring 61, and the air pump 62 blows air into the air charging ring 61 to expand the air charging ring 61 to seal the drilled hole and prevent water or mud in the drilled hole from being sprayed out.

The working principle is as follows: the pouring cylinder 12 is placed in the drilled hole, the supporting plate 11 is placed on the ground, the air inflation ring 61 is placed in the drilled hole, the air pump 62 is started to inflate the air inflation ring 61, the air inflation ring 61 is in close contact with the drilled hole, the drilled hole is sealed, water or slurry in the drilled hole is prevented from being sprayed out, and at the moment, the cleaning hole 512 is sealed by the ring plug 72.

When the hole diameter needs to be enlarged at the bottom of the drill hole, the electromagnet 161 is powered on, the bolt 163 moves towards the electromagnet 161, the spring 162 is compressed, the engagement between the bolt 163 and the self-locking groove 152 is broken, water is added into the water cylinder 14 from the water inlet 141, when the water in the water cylinder 14 enters the conveying cylinder 51 from the conveying hole 511, the inflator 43 is started, the inflator 43 inputs air into the air cavity 41, the air enters the air pipe 42 and enters the water in the water cylinder 14 through the air hole 421, small bubbles are generated, the water enters the pouring cylinder 12 and the pouring drill bit 15 through the conveying cylinder 51, the water generates high pressure, and the pouring drill bit 15 makes circular motion at the bottom of the pouring cylinder 12 under the action of the injection port 151, so that the radius of the bottom of the drill hole is enlarged.

When slurry is poured in the drill hole, slurry is injected into the slurry barrel 13 from the slurry hole 131, the slurry enters the pouring barrel 12 through the feeding hole 513, meanwhile, the air pump 43 is started, air is input into the air cavity 41 by the air pump 43, the air enters the air pipe 42, enters the water barrel 14 through the air hole 421, and then enters the conveying barrel 51 from the conveying hole 511, the slurry in the conveying barrel 51 is driven to move towards the bottom of the drill hole, the slurry is pressurized, and the slurry can enter the drill hole more tightly.

When slurry and water are poured in the drilling hole, slurry is injected into the slurry barrel 13 from the slurry hole 131, the slurry enters the pouring barrel 12 through the feeding hole 513, water is added into the water barrel 14 from the water inlet 141, when the water in the water barrel 14 enters the conveying barrel 51 from the conveying hole 511, the air pump 43 is started, the air pump 43 inputs air into the air cavity 41, the air enters the air pipe 42 and enters the water in the water barrel 14 through the air hole 421 to generate small bubbles, the small bubbles enter the pouring barrel 12 and the pouring drill bit 15 along with the water through the conveying barrel 51 to generate high pressure for the water, and the high pressure water drives the slurry in the water barrel 14 to enter the drilling hole, so that the slurry and the water are fully mixed, and the slurry and the water are prevented from being layered.

When the grouting mode is rotary spraying, the electromagnet 161 is electrified, the bolt 163 moves towards the electromagnet 161, the spring 162 is compressed, the engagement of the bolt 163 and the self-locking groove 152 is cut off, and the mixture in the pouring drill 15 is sprayed out from the spraying opening 151 to drive the pouring drill 15 to rotate at the bottom of the pouring cylinder 12, so that rotary spraying is realized.

When the grouting mode is directional injection, the electromagnet 161 is powered off, the plug pin 163 is in a preliminary compression state, the plug pin 163 is meshed with the self-locking groove 152, the driving motor 21 is not started, the pouring cylinder 12 does not rotate, the pouring drill bit 15 does not rotate, and the mixture in the pouring drill bit 15 is sprayed out from the spraying opening 151, so that the directional injection is realized.

When the grouting mode is swing injection, the electromagnet 161 is powered off, the bolt 163 is in a preliminary compression state, the bolt 163 is meshed with the self-locking groove 152, the driving motor 21 is started, the driving motor 21 drives the turntable 22 to rotate, the turntable 22 drives the adjusting assembly 23 to revolve when rotating, so that the driving block 24 is driven to rotate, the driving block 24 drives the swing rod 32 to swing when rotating, the swing rod 32 drives the rack 31 to slide on the first support 111, the rack 31 is meshed with the pouring gear 121, the rack 31 drives the pouring gear 121 to rotate when sliding on the first support 111, the pouring gear 121 drives the pouring cylinder 12 to rotate, and the pouring cylinder 12 drives the pouring drill bit 15 to rotate, so that swing injection is realized.

When the angle of the swinging jet needs to be changed, the adjusting motor 231 is started, the adjusting motor 231 drives the driving gear 232 to rotate, the driving gear 232 drives the reduction gear 233 to rotate, the reduction gear 233 drives the screw rod 234 to rotate, the driving block 24 moves on the screw rod 234 when the screw rod 234 rotates, the bottom of the driving block 24 moves on the swinging groove 321, the position of the driving block 24 on the swinging groove 321 is adjusted, the swinging amplitude of the swinging rod 32 is changed, the position of the driving block 24 is fixed by the electric cylinder 33, and the sliding stroke of the rack 31 is changed by changing the swinging amplitude of the swinging rod 32, so that the rotating angles of the pouring gear 121 and the pouring cylinder 12 are changed.

After the completion of the casting, the gas in the gas-filled ring 61 is released, and the casting cylinder 12 and the casting bit 15 are pulled out from the drilled hole.

The mud in the mud cylinder 13, the pouring cylinder 12 and the pouring drill bit 15 is cleaned, the closed electric cylinder 71 is started, when the closed electric cylinder 71 extends, the annular plug 72 opens the cleaning hole 512, the annular hole 721 is in contact with the plunger 531, the annular plug 72 seals the shunt pin 53, water is added into the water cylinder 14 through the water inlet 141, the water in the water cylinder 14 enters the mud cylinder 13 from the cleaning hole 512, the water in the mud cylinder 13 enters the pouring cylinder 12 and the pouring drill bit 15 from the feeding hole 513, and the purposes of cleaning the mud cylinder 13, the pouring cylinder 12 and the pouring drill bit 15 are achieved.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims (10)

1. High pressure accuse water prevents spouting back pressure slip casting device, including main part mechanism (1), aerify mechanism (4), its characterized in that: the device also comprises a swing mechanism (3) and a blowout prevention mechanism (6); the main body mechanism (1) comprises a supporting plate (11) and a mud cylinder (13), the mud cylinder (13) is fixedly installed above the supporting plate (11), a pouring cylinder (12) is rotatably installed in the middle of the supporting plate (11), a water cylinder (14) is fixedly installed above the mud cylinder (13), the inflation mechanism (4) is arranged on the water cylinder (14), the inflation mechanism (4) comprises an air cavity (41) and an air pipe (42), the air cavity (41) is fixedly installed on the water cylinder (14), the air pipes (42) are fixedly installed at the bottom of the air cavity (41), and the air pipe (42) is arranged inside the water cylinder (14); the swing mechanism (3) is slidably mounted on the support plate (11), the driving mechanism (2) is arranged outside the slurry barrel (13), and the driving mechanism (2) drives the pouring barrel (12) to rotate through the swing mechanism (3); the blowout prevention mechanism (6) comprises an inflation ring (61) and an air pump (62), the inflation ring (61) is fixedly installed below the supporting plate (11), the pouring cylinder (12) is rotatably installed inside the inflation ring (61), the air pump (62) is fixedly installed outside the slurry cylinder (13), the air pump (62) is connected with the inflation ring (61), the conveying mechanisms (5) are arranged inside the slurry cylinder (13) and the water cylinder (14), each conveying mechanism (5) comprises a conveying cylinder (51) and a cover cylinder (52), the cover cylinders (52) are fixedly installed above the conveying cylinders (51), the conveying cylinders (51) are fixedly installed in the middle of the slurry cylinder (13) and the water cylinder (14), a closing mechanism (7) is arranged inside the conveying mechanism (5), and the closing mechanism (7) adjusts the communication position of the conveying mechanism (5) and the slurry cylinder (13); the bottom of the casting cylinder (12) is rotatably provided with a casting drill bit (15), and the inner part and the outer part of the casting cylinder (12) are provided with self-locking mechanisms (16).

2. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: actuating mechanism (2) are including carousel (22), adjusting part (23), and carousel (22) rotate and install on carousel frame (132) of mud drum (13), and adjusting part (23) set up on carousel (22), adjusting part (23) are including accommodate motor (231), lead screw (234), and accommodate motor (231) fixed mounting is inside carousel (22), and fixed mounting has driving gear (232) on the output shaft of accommodate motor (231), and lead screw (234) rotate and install in carousel (22) bottom, and lead screw (234) tip fixed mounting has reducing gear (233), and driving gear (232) and reducing gear (233) meshing.

3. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 2, characterized in that: the swing mechanism (3) comprises a rack (31) and a swing rod (32), the rack (31) is slidably mounted on a support plate (11), the end of the swing rod (32) is rotatably mounted at the tail of the rack (31), an electric cylinder (33) is fixedly mounted on the swing rod (32), a driving block (24) is fixedly mounted at the output end of the electric cylinder (33), the top of the driving block (24) is rotatably mounted on a screw rod (234), a swing groove (321) is formed in the swing rod (32), and the bottom of the driving block (24) is slidably mounted on the swing groove (321).

4. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 3, characterized in that: the casting cylinder (12) is rotatably installed at the bottom of the slurry cylinder (13), the casting cylinder (12) and the slurry cylinder (13) are coaxial, a casting gear (121) is fixedly installed at the top of the casting cylinder (12), the casting gear (121) is arranged outside the slurry cylinder (13), and the rack (31) is meshed with the casting gear (121).

5. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: the inflating mechanism (4) further comprises an inflating pump (43), the inflating pump (43) and the air cavity (41) are fixedly installed, a plurality of air holes (421) are formed in the air pipe (42), a conveying hole (511) is formed between the conveying cylinder (51) and the cover cylinder (52), the height of the conveying hole (511) is higher than that of the air hole (421), and when water in the water cylinder (14) flows to the inside of the conveying cylinder (51), the air hole (421) is completely located in the water.

6. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: the closing mechanism (7) comprises a closing electric cylinder (71) and a ring plug (72), the closing electric cylinder (71) is fixedly installed inside the conveying cylinder (51), a plurality of feeding holes (513) and cleaning holes (512) are formed in the conveying cylinder (51), the ring plug (72) is slidably installed inside the conveying cylinder (51), the closing electric cylinder (71) and the conveying cylinder (51) are coaxial, the ring plug (72) is fixedly installed at the output end of the closing electric cylinder (71), the height of the ring plug (72) is larger than the radius of the cleaning holes (512), and the ring plug (72) is provided with a ring hole (721).

7. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 6, characterized in that: conveying mechanism (5) still include reposition of redundant personnel round pin (53), and reposition of redundant personnel round pin (53) fixed mounting is inside transport cylinder (51), and reposition of redundant personnel round pin (53) set up between wash hole (512) and pan feeding hole (513), and reposition of redundant personnel round pin (53) set up above pan feeding hole (513), and pan feeding hole (513) set up in wash hole (512) below, are provided with plunger (531) on reposition of redundant personnel round pin (53), and the radius of plunger (531) equals with the radius of trepan (721).

8. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: the self-locking mechanism (16) comprises an electromagnet (161) and a plug pin (163), the electromagnet (161) is fixedly installed on a groove (122) in the pouring cylinder (12), the plug pin (163) is installed on the groove (122) in a sliding mode, a spring is arranged between the electromagnet (161) and the plug pin (163), a self-locking groove (152) is formed in the pouring drill bit (15), and the plug pin (163) is meshed with the self-locking groove (152).

9. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: the pouring drill bit (15) is axially and symmetrically provided with a plurality of rows of injection ports (151), the plurality of rows of injection ports (151) are uniformly distributed around the pouring drill bit (15), and the axial line of each injection port (151) is parallel to the radius of the pouring drill bit (15).

10. The high-pressure water-control blowout-prevention back-pressure grouting device according to claim 1, characterized in that: the mud drum (13) is provided with a mud hole (131), the water drum (14) is provided with a water inlet (141), and the mud hole (131) and the water drum (14) are both provided with one-way valves.

Images