CN110439475B - Rotary spraying drilling machine for road and bridge construction and repair - Google Patents
Rotary spraying drilling machine for road and bridge construction and repair Download PDFInfo
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- CN110439475B CN110439475B CN201910813574.3A CN201910813574A CN110439475B CN 110439475 B CN110439475 B CN 110439475B CN 201910813574 A CN201910813574 A CN 201910813574A CN 110439475 B CN110439475 B CN 110439475B
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- 238000005553 drilling Methods 0.000 title claims abstract description 123
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 230000008439 repair process Effects 0.000 title claims description 6
- 238000005507 spraying Methods 0.000 title description 8
- 230000005540 biological transmission Effects 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 12
- 238000005056 compaction Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 239000002002 slurry Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000007667 floating Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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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
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the field of road engineering construction machinery, in particular to a rotary jet drilling machine for road and bridge construction, which comprises a drilling machine body, a first telescopic structure, a conveying structure, a second telescopic structure, a drilling device, a height adjusting structure and a supporting structure, wherein the drilling machine body is provided with a first telescopic structure; altitude mixture control structure's setting, be convenient for bearing structure supports subaerial at different relief, in the device course of working creeps into, the vibration of production passes through first extending structure and altitude mixture control structure conveying to bearing structure through the second extending structure, make the vibration that bearing structure consumed the production, reduce the influence of vibration to the rig body, the bearing structure vibration, certain pressure is applyed to the mud that advances to spout soon, effectively prevent that mud from leaking in a large number, it is more even to make the mud in the soil layer pour simultaneously, rotate between bearing structure and the altitude mixture control structure and be connected, after pouring the completion, be convenient for trowel the ground of pouring through bearing structure, carry out the compaction to soft earth simultaneously, efficiency of construction and quality have been improved.
Description
Technical Field
The invention relates to the field of road engineering construction machinery, in particular to a rotary jet drilling machine for road and bridge construction.
Background
In the process of road engineering construction, different geological conditions can be met, in order to meet the requirement of foundation bearing capacity, different foundations need to be treated, particularly foundations which cannot be directly filled with foundations, the most common foundation with insufficient bearing capacity is a soft foundation, and various construction methods for treating the soft foundation, such as filling replacement, combined loading, vacuum preloading, composite foundations and the like, are available. The jet grouting pile utilizes a drilling machine to spray cement slurry into the soil through high-pressure equipment, the slurry and a soil body are fully stirred and mixed, and a columnar consolidation body with a certain diameter is formed in the soil, so that a foundation is reinforced, and the prior art has some improved jet grouting drilling machines, such as Chinese patents: a rotary jet drilling machine (CN107327272B) for road and bridge construction comprises a drilling machine main body, a connecting arm and a drilling device. One end of the connecting arm is connected with the drilling device, the drilling machine main body comprises a control console, a connecting mechanism and a traveling mechanism used for moving, one end of the connecting arm, far away from the drilling device, is movably connected with the connecting mechanism, and the control console and the connecting mechanism are arranged at the upper end of the traveling mechanism. The control console is used for controlling the traveling mechanism to move. Under the action of the travelling mechanism, the whole drilling machine can be moved conveniently. And because the drilling machine is provided with the connecting arm, the drilling machine can be used for drilling and guniting construction by selecting a construction access road with better bearing capacity or other ground without driving into the range of a soft soil foundation, and the drilling machine can be moved after a plurality of rotary guniting piles are constructed each time, so that the construction efficiency is improved.
However, the chinese patent: the utility model provides an adopt support piece to support the device among the jet grouting rig (CN107327272B) for road and bridge construction, it is great to the wearing and tearing of the junction of device to produce the vibration when boring into the device in the course of the work, requirement to the durability of work piece is high, it splashes to make mud easily at the in-process of boring jet grouting simultaneously, need carry out the secondary after boring into jet grouting and level ground, artifical level back is because earth sinks naturally, influence the ground planarization easily, and it is less to bore into the device at the ascending home range of horizontal direction and vertical side, it is lower relatively to bore into the precision of jet grouting, it is higher to bore the parking position requirement of device, be not convenient for the construction after soft ground ponding simultaneously.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a rotary jet drilling machine for road and bridge construction.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rotary jet drilling machine for road and bridge construction comprises a drilling machine body, a first telescopic structure, a conveying structure, a second telescopic structure, a drilling device, a height adjusting structure and a supporting structure; the drilling machine body used for moving the rotary jet drilling machine on the ground is provided with the first telescopic structure, and one end, deviating from the drilling machine body, of the first telescopic structure used for adjusting the drilling position in the horizontal direction is provided with the second telescopic structure used for fixing the drilling device; the end part of the first telescopic structure is provided with the height adjusting structure for adjusting the supporting height, and the bottom end of the height adjusting structure is provided with the supporting structure for supporting the first telescopic structure and leveling the ground; the conveying structure for cleaning surface accumulated water penetrates through the supporting structure and extends to the outside of the first telescopic structure.
Specifically, first extending structure includes support frame, sliding sleeve, bracing, motor and lead screw, the support frame is fixed in the rig body, the tip of support frame is equipped with the shape of falling L the sliding sleeve, the welding of the corner of sliding sleeve has the bracing, be used for the reinforcement the bracing with the corner of sliding sleeve constitutes the triangle-shaped structure, the lead screw through connection in the support frame with the sliding sleeve, the lead screw with rotate between the support frame and be connected, the lead screw with threaded connection between the sliding sleeve, the motor is located the tip of support frame, just the lead screw is fixed in the motor.
Specifically, the second telescopic structure comprises a sealing plate, a sliding block and a first hydraulic cylinder, the sliding block is used for fixing the drilling device, the sliding block is connected with the sliding sleeve in a sliding mode, the cross section of the sliding block is trapezoidal, the sealing plate is arranged on the sliding block, the cross section of the sliding block is trapezoidal, the sealing plate is connected with the sliding sleeve in a sliding mode, one end of the first hydraulic cylinder is fixed to the sliding sleeve, and the other end of the first hydraulic cylinder is fixed to the sliding block.
Specifically, the height adjusting structure is including supporting cover, slide bar and second pneumatic cylinder, support the cover and locate the tip of sliding sleeve, the symmetry is equipped with two slide bars on the support cover, the slide bar with sliding connection between the sliding sleeve, the one end of second pneumatic cylinder is located the inside of sliding sleeve, the other one end of second pneumatic cylinder is fixed in the slide bar.
Specifically, the supporting structure comprises a fixed ring, a first transmission ring, a supporting ring, a second transmission ring, a filter screen, an anti-blocking rod, a guide shaft and a convex block, the fixed ring is rotatably connected with the supporting sleeve, the outer edge of the supporting ring of an annular structure is fixed on the fixed ring, the inner edge of the supporting ring is fixed on the second transmission ring, the first transmission ring and the second transmission ring are fixed through bolts, the first transmission ring and the second transmission ring are rotatably connected with the supporting sleeve, the outer circumferences of the first transmission ring and the second transmission ring are both in a circular truncated cone shape, the cross section of the supporting ring is in a wave-shaped structure, the connecting surface of the wave crest of the outer circumference of the supporting ring is in a circular truncated cone shape, the filter screen is fixed on the supporting ring, the cross section of the filter screen is in a wave shape, and the guide shaft penetrates through the supporting sleeve and the anti-blocking rod, prevent the one end of stifled pole with the filter screen is contradicted, prevent the other one end of stifled pole with on the second drive ring the lug is contradicted, the lug with the looks remote site of preventing the stifled pole is the spheroid structure.
Specifically, transport structure includes first connecting pipe, holding ring, water conservancy diversion passageway, locating lever and second connecting pipe, first connecting pipe is fixed in the sliding sleeve, the locating lever is fixed in support the cover, the locating lever with sliding connection between the sliding sleeve, the holding ring is fixed in support the cover, the retainer plate with sliding connection between the holding ring, the second connecting pipe run through in the holding ring just extends to support the cover, the water conservancy diversion passageway switch on with first connecting pipe the locating lever with the second connecting pipe.
The invention has the beneficial effects that:
(1) according to the rotary jet drilling machine for road and bridge construction, the first telescopic structure is fixed on the drilling machine body, and the second telescopic structure for fixing the drilling device is arranged at the end part of the first telescopic structure, so that the distance between the drilling device on the second telescopic structure and the drilling machine body can be conveniently adjusted through the first telescopic structure, the precision requirement when the drilling machine body is moved is reduced, the moving range of the drilling device is larger, and the drilling rotary jet quality and efficiency are greatly improved, namely: after the jet grouting drilling machine is conveyed to a specified place through the drilling machine body, the motor rotates, the motor drives the lead screw to rotate, the lead screw thread drives the sliding sleeve to slide on the supporting frame, the position of the drilling device on the drilling machine body is adjusted, the drilling machine body can be located at the position with harder geology, the moving range of the drilling device is larger, and the drilling jet grouting position is more accurate.
(2) According to the rotary jet drilling machine for road and bridge construction, the second telescopic structure is arranged at the end part of the first telescopic structure, so that the drilling range of the drilling device is larger, the rotary jet drilling machine is convenient to apply to positions with different terrains, meanwhile, the drilling device generates a supporting force for the first telescopic structure through the second telescopic structure while drilling, the lateral tension for the end part of the first telescopic structure is reduced, and the drilling rotary jet drilling machine is more stable, namely: when the drilling device drills, the first hydraulic cylinder extends, the contact force between the drilling device and the ground is increased, the drilling effect is better, meanwhile, the sliding sleeve is reversely provided with a supporting force, the situation that lateral pressure between the sliding sleeve and the supporting frame is too large, the sliding sleeve is abraded too fast, the drilling machine body is damaged inside, and the work is more stable.
(3) The rotary jet drilling machine for road and bridge construction is characterized in that a supporting structure is rotatably connected with a height adjusting structure, the height adjusting structure is arranged to facilitate the supporting structure to be supported on the ground with different terrains, so that the supporting structure has enough supporting force to support a first telescopic structure on the height adjusting structure, during the working process of a drilling device, generated vibration is transmitted to the supporting structure through a second telescopic structure through the first telescopic structure and the height adjusting structure, the generated vibration is consumed by the supporting structure, the influence of the vibration on a drilling machine body is reduced, meanwhile, the supporting structure vibrates to apply certain pressure on slurry drilled in rotary jet, a large amount of slurry is effectively prevented from leaking outwards, meanwhile, the slurry in a soil layer is poured more uniformly, meanwhile, the supporting structure is rotatably connected with the height adjusting structure, and after the pouring is finished, be convenient for through bearing structure to the floating ground of pouring, carry out the compaction to soft earth simultaneously, improved efficiency of construction and quality, promptly: after the position of the drilling device is adjusted, the second hydraulic cylinder extends, and then the sliding rod is driven to drive the supporting sleeve to slide away from the sliding sleeve, so that the supporting ring on the fixing ring at the end part of the supporting sleeve is abutted against soft ground, the cross section of the supporting ring is of a wave-shaped structure, the connecting surface of the wave crest of the outer circumference of the supporting ring is in a round table shape, the contact area between the supporting ring and the ground is further increased, the supporting is more stable, in the drilling process of the drilling device, vibration is generated and is transmitted to the sliding sleeve through the sliding block, then is transmitted to the supporting ring at the bottom end of the fixing ring from the supporting sleeve, the supporting ring shakes to consume the energy of the vibration, so that ground soil applies pressure to internal slurry, the rotary spraying effect of the internal slurry is better, after the rotary spraying is finished, the screw rod is driven to rotate by the motor, the screw rod screw threads drive the sliding sleeve to slide on the supporting, at floating in-process second support cover and first support cover rotation, and then make the protruding conflict on the second support cover prevent that the stifled pole rotates around the guiding axle, make prevent that stifled pole conflict filter screen and lock ring warp, and then avoided silt to bond on the lock ring, floating back, through the extension of second pneumatic cylinder, and then the drive slide bar drives the lock ring and deviates from the sliding sleeve and slides, make the lock ring compaction soft earth on the retainer plate of the tip of support cover, and then avoided the secondary construction.
(4) According to the rotary jet drilling machine for road and bridge construction, the conveying structure is fixed on the height adjusting structure, accumulated water on the ground can be conveniently treated through the conveying structure, the influence of the accumulated water on construction quality is avoided, meanwhile, the back washing of the supporting structure is facilitated, and the supporting structure can be cleaned more conveniently and rapidly, namely: connect first connecting pipe to the water pump, after the lock ring contacted with ground, make ponding get into the second connecting pipe through the filter screen, the water conservancy diversion passageway switch on with first connecting pipe, locating lever and second connecting pipe, and then make ponding discharge to the water pump from first connecting pipe through the water conservancy diversion passageway, the inside pressure boost of accessible water pump toward first connecting pipe simultaneously, make outside water source get into the water conservancy diversion passageway, and then through second connecting pipe re-filter screen, and then make the filter screen wash convenient and fast more, be convenient for water in to dry earth simultaneously, make construction quality better, the setting of holding ring, the effectual retainer plate that prevents rotates damages the second connecting pipe.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall structure diagram of a jet grouting drilling machine for road and bridge construction according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a connection structure between the first telescopic structure and the second telescopic structure shown in FIG. 1;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
fig. 5 is a schematic view of a connection structure of the sliding sleeve and the height adjusting structure shown in fig. 3.
In the figure: 1. the drilling machine comprises a drilling machine body, 2, a first telescopic structure, 21, a support frame, 22, a sliding sleeve, 23, a diagonal support, 24, a motor, 25, a screw rod, 3, a conveying structure, 31, a first connecting pipe, 32, a positioning ring, 33, a flow guide channel, 34, a positioning rod, 35, a second connecting pipe, 4, a second telescopic structure, 41, a sealing plate, 42, a sliding block, 43, a first hydraulic cylinder, 5, a drilling device, 6, a height adjusting structure, 61, a support sleeve, 62, a sliding rod, 63, a second hydraulic cylinder, 7, a support structure, 71, a fixing ring, 72, a first transmission ring, 73, a support ring, 74, a second transmission ring, 75, a filter screen, 76, an anti-blocking rod, 77, a guide shaft, 78 and a convex block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the rotary jetting drilling machine for road and bridge construction according to the present invention comprises a drilling machine body 1, a first telescopic structure 2, a conveying structure 3, a second telescopic structure 4, a drilling device 5, a height adjusting structure 6 and a supporting structure 7; the drilling machine body 1 used for moving the rotary jet drilling machine on the ground is provided with the first telescopic structure 2, and one end, away from the drilling machine body 1, of the first telescopic structure 2 used for adjusting the drilling position in the horizontal direction is provided with the second telescopic structure 4 used for fixing the drilling device 5; the end part of the first telescopic structure 2 is provided with the height adjusting structure 6 for adjusting the supporting height, and the bottom end of the height adjusting structure 6 is provided with the supporting structure 7 for supporting the first telescopic structure 2 and leveling the ground; the conveying structure 3 for cleaning surface water penetrates through the supporting structure 7 and extends to the outside of the first telescopic structure 2.
Specifically, the first telescopic structure 2 comprises a support frame 21, a sliding sleeve 22, an inclined strut 23, a motor 24 and a screw rod 25, the support frame 21 is fixed to the drilling machine body 1, the end of the support frame 21 is provided with the inverted L-shaped sliding sleeve 22, the inclined strut 23 is welded at the corner of the sliding sleeve 22, the inclined strut 23 for reinforcement and the corner of the sliding sleeve 22 form a triangular structure, the screw rod 25 is connected with the support frame 21 and the sliding sleeve 22 in a penetrating manner, the screw rod 25 is connected with the support frame 21 in a rotating manner, the screw rod 25 is connected with the sliding sleeve 22 in a threaded manner, the motor 24 is arranged at the end of the support frame 21, and the screw rod 25 is fixed to the motor 24; first extending structure 2 is fixed in rig body 1 is used for fixing simultaneously creep into device 5 second extending structure 4 locates first extending structure 2's tip is convenient for pass through first extending structure 2 is adjusted on the second extending structure 4 creep into device 5 distance the distance of rig body 1 has reduced and is removing precision requirement when rig body 1 makes simultaneously creep into device 5's home range is bigger, has improved greatly and has crept into the quality and the efficiency that spouts soon, promptly: after the jet grouting drilling machine is conveyed to a specified place through the drilling machine body 1, the motor 24 rotates, the motor 24 drives the screw rod 25 to rotate, the screw rod 25 drives the sliding sleeve 22 to slide on the supporting frame 21 in a threaded mode, the distance between the drilling device 5 and the position on the drilling machine body 1 is adjusted, the drilling machine body 1 can be located at a position with hard geology, meanwhile, the moving range of the drilling device 5 is larger, and the drilling jet grouting position is more accurate.
Specifically, the second telescopic structure 4 includes a sealing plate 41, a sliding block 42 and a first hydraulic cylinder 43, and is configured to fix the sliding block 42 of the drilling device 5 in sliding connection with the sliding sleeve 22, the sealing plate 41 is disposed on the sliding block 42 with a trapezoidal cross section, the sealing plate 41 with a trapezoidal cross section is in sliding connection with the sliding sleeve 22, one end of the first hydraulic cylinder 43 is fixed to the sliding sleeve 22, and the other end of the first hydraulic cylinder 43 is fixed to the sliding block 42; second extending structure 4 locates first extending structure 2's tip makes drilling device 5's the scope of driling is bigger, is convenient for apply to the position that the relief is different, makes simultaneously drilling device 5 passes through when creeling into second extending structure 4 produces one to first extending structure 2's holding power, has reduced to the lateral tension of first extending structure 2's tip, makes to creep into and spouts more stably soon, promptly: when drilling into device 5 creeps into, first pneumatic cylinder 43 extends, has increased the contact force of drilling device 5 and ground makes the effect of creeping into better, and is reverse simultaneously right sliding sleeve 22 has the effect of supporting force, effectively prevents sliding sleeve 22 with lateral pressure is too big between the support frame 21, causes sliding sleeve 22 wearing and tearing too fast and cause the internal damage of rig body 1 makes work more stable.
Specifically, the height adjusting structure 6 includes a support sleeve 61, two slide bars 62 and a second hydraulic cylinder 63, the support sleeve 61 is disposed at an end of the slide sleeve 22, the support sleeve 61 is symmetrically provided with the two slide bars 62, the slide bars 62 are slidably connected with the slide sleeve 22, one end of the second hydraulic cylinder 63 is disposed inside the slide sleeve 22, and the other end of the second hydraulic cylinder 63 is fixed to the slide bars 62; the sliding rod 62 is slidably connected to the sliding sleeve 22, so that the lateral pressure on the second hydraulic cylinder 63 is reduced, and the transmission of the second hydraulic cylinder 63 is more stable.
Specifically, the supporting structure 7 includes a fixing ring 71, a first transmission ring 72, a supporting ring 73, a second transmission ring 74, a filter screen 75, an anti-blocking rod 76, a guide shaft 77 and a projection 78, the fixing ring 71 is rotatably connected with the supporting sleeve 61, the outer edge of the supporting ring 73 of an annular structure is fixed to the fixing ring 71, the inner edge of the supporting ring 73 is fixed to the second transmission ring 74, the first transmission ring 72 is fixed to the second transmission ring 74 through a bolt, the first transmission ring 72 and the second transmission ring 74 are rotatably connected with the supporting sleeve 61, the outer circumferences of the first transmission ring 72 and the second transmission ring 74 are both in a circular truncated cone shape, the cross section of the supporting ring 73 is in a wave-shaped structure, the connection surface of the wave crest of the outer circumference of the supporting ring 73 is in a circular truncated cone shape, and the filter screen 75 is fixed to the supporting ring 73, the cross section of the filter screen 75 is wavy, the guide shaft 77 penetrates through the support sleeve 61 and the anti-blocking rod 76, one end of the anti-blocking rod 76 is abutted against the filter screen 75, the other end of the anti-blocking rod 76 is abutted against the projection 78 on the second transmission ring 74, and the opposite ends of the projection 78 and the anti-blocking rod 76 are both spherical structures; the supporting structure 7 is rotatably connected with the height adjusting structure 6, the height adjusting structure 6 is arranged to facilitate the supporting structure 7 to be supported on the ground with different terrains, so that the supporting structure 7 has enough supporting force to support the first telescopic structure 2 on the height adjusting structure 6, during the working process of the drilling device 5, the generated vibration is transmitted to the supporting structure 7 through the first telescopic structure 2 and the height adjusting structure 6 through the second telescopic structure 4, so that the supporting structure 7 consumes the generated vibration, the influence of the vibration on the drilling machine body 1 is reduced, meanwhile, the supporting structure 7 vibrates to apply a certain pressure on the drilling rotary-spraying slurry, thereby effectively preventing a large amount of slurry from leaking out, simultaneously enabling the slurry in a soil layer to be poured more uniformly, and meanwhile, the supporting structure 7 is rotatably connected with the height adjusting structure 6, and then pouring the completion back, be convenient for pass through bearing structure 7 is floating the ground of pouring, carries out the compaction to soft earth simultaneously, has improved efficiency of construction and quality, promptly: after the position of the drilling device 5 is adjusted, the second hydraulic cylinder 63 extends to further drive the slide rod 62 to drive the support sleeve 61 to slide away from the sliding sleeve 22, so that the support ring 73 on the fixed ring 71 at the end of the support sleeve 61 is abutted against a soft ground, the cross section of the support ring 73 is of a wave-shaped structure, the connection surface of the wave crest of the outer circumference of the support ring 73 is in a round table shape, the contact area of the support ring 73 and the ground is further increased, the support is more stable, during the drilling process of the drilling device 5, vibration is generated and transmitted to the sliding sleeve 22 through the slide block 42, then transmitted to the support ring 73 at the bottom end of the fixed ring 71 from the support sleeve 61, the support ring 73 shakes to consume the energy of the vibration, so that ground mud applies pressure to the internal mud, and further the rotary spraying effect of the internal mud is better, after the jet grouting is finished, the motor 24 drives the screw rod 25 to rotate, the screw rod 25 drives the sliding sleeve 22 to slide on the supporting frame 21 through threads, so that the sliding sleeve 22 drives the supporting ring 73 at the bottom end of the fixing ring 71 at the bottom end of the supporting sleeve 61 to trowel the ground, the second supporting sleeve 74 and the first supporting sleeve 72 rotate in the troweling process, the bulge 78 on the second supporting sleeve 74 is made to abut against the anti-blocking rod 76 to rotate around the guide shaft 77, so that the anti-blocking rod 76 abuts against the filtering net 75 and the supporting ring 73 to deform, thereby preventing silt from being adhered to the supporting ring 73, after trowelling, the sliding rod 62 is driven to drive the supporting sleeve 61 to deviate from the sliding sleeve 22 to slide through the extension of the second hydraulic cylinder 63, so that the supporting ring 73 on the fixing ring 71 at the end part of the supporting sleeve 61 is compacted with loose soil, thereby avoiding secondary construction.
Specifically, the conveying structure 3 includes a first connecting pipe 31, a positioning ring 32, a flow guiding channel 33, a positioning rod 34 and a second connecting pipe 35, the first connecting pipe 31 is fixed to the sliding sleeve 22, the positioning rod 34 is fixed to the supporting sleeve 61, the positioning rod 34 is slidably connected to the sliding sleeve 22, the positioning ring 32 is fixed to the supporting sleeve 61, the fixing ring 71 is slidably connected to the positioning ring 32, the second connecting pipe 35 penetrates through the positioning ring 32 and extends to the supporting sleeve 61, and the flow guiding channel 33 is in communication with the first connecting pipe 31, the positioning rod 34 and the second connecting pipe 35; conveying structure 3 is fixed in altitude mixture control structure 6 is convenient for pass through conveying structure 3 handles subaerial ponding, has avoided ponding to influence construction quality, is convenient for right simultaneously bearing structure 7 carries out the back flush, makes bearing structure 7's clearance convenient and fast more, promptly: will first connecting pipe 31 is connected to the water pump, after the lock ring 73 contacted with ground, made ponding process filter screen 73 got into second connecting pipe 35, water conservancy diversion passageway 33 switch on with first connecting pipe 31 locating lever 34 with second connecting pipe 35, and then make ponding process water conservancy diversion passageway 33 is followed first connecting pipe 31 discharges to the water pump, and accessible water pump is past simultaneously the inside pressure boost of first connecting pipe 31 makes outside water source get into water conservancy diversion passageway 33, and then the process second connecting pipe 35 is again filter screen 75, and then makes filter screen 75 washs convenient and fast more, is convenient for water in the soil of drying simultaneously, makes construction quality better, the setting of holding ring 32, the effectual prevention the lock ring 71 rotates and damages second connecting pipe 35.
When in use, firstly, after the jet grouting drilling machine is transported to a specified place through the drilling machine body 1, the motor 24 rotates, the motor 24 drives the screw rod 25 to rotate, the screw rod 25 drives the sliding sleeve 22 to slide on the supporting frame 21 through threads, the position of the drilling device 5 away from the drilling machine body 1 is adjusted, further, the drilling machine body 1 can be positioned at a position with hard geology, meanwhile, the moving range of the drilling device 5 is larger, the drilling jet grouting position is more accurate, when the drilling device 5 drills, the first hydraulic cylinder 43 extends, the contact force between the drilling device 5 and the ground is increased, the drilling effect is better, meanwhile, the sliding sleeve 22 is reversely provided with a supporting force effect, the phenomenon that the lateral pressure between the sliding sleeve 22 and the supporting frame 21 is too large, the sliding sleeve 22 is abraded too fast, the internal damage of the drilling machine body 1 is caused by the sliding sleeve 22 is caused, the work is more stable, the second hydraulic cylinder 63 extends to drive the slide rod 62 to drive the support sleeve 61 to slide away from the slide sleeve 22, so that the support ring 73 on the fixing ring 71 at the end of the support sleeve 61 is abutted against soft ground, the cross section of the support ring 73 is of a wave-shaped structure, the connection surface of the wave crest of the outer circumference of the support ring 73 is in a round table shape, the contact area of the support ring 73 and the ground is further increased, the support is more stable, during the drilling process of the drilling device 5, vibration is generated and is transmitted to the slide sleeve 22 through the slide block 42, then is transmitted to the support ring 73 at the bottom end of the fixing ring 71 from the support sleeve 61, the support ring 73 shakes to consume the energy of the vibration, so that ground soil applies pressure to internal mud, the rotary spraying effect of the internal mud is better, after the rotary spraying is finished, the screw rod 25 is driven to rotate by the motor 24, the screw rod 25 drives the slide sleeve 22 to slide on the support frame 21 through threads, so that the slide sleeve 22, during the floating process, the second supporting sleeve 74 and the first supporting sleeve 72 rotate, so that the protrusion 78 on the second supporting sleeve 74 abuts against the anti-blocking rod 76 and rotates around the guiding shaft 77, the anti-blocking rod 76 abuts against the filtering net 75 and the supporting ring 73 to deform, so that silt is prevented from being adhered to the supporting ring 73, after floating, the second hydraulic cylinder 63 extends, so that the sliding rod 62 drives the supporting sleeve 61 to slide away from the sliding sleeve 22, so that the supporting ring 73 on the fixing ring 71 at the end part of the supporting sleeve 61 compacts loose soil, so as to avoid secondary construction, the first connecting pipe 31 is connected to the water pump, after the supporting ring 73 is contacted with the ground, accumulated water enters the second connecting pipe 35 through the filtering net 73, the flow guide channel 33 is communicated with the first connecting pipe 31, the positioning rod 34 and the second connecting pipe 35, so that the accumulated water is discharged from the first connecting pipe 31 to the water pump through the flow guide channel 33, and can be pressurized towards the inside of the first connecting pipe, make outside water source get into water conservancy diversion passageway 33, and then filter screen 75 again through second connecting pipe 35, and then make filter screen 75 wash convenient and fast more, be convenient for water in to dry earth simultaneously, make construction quality better, the setting of holding ring 32 prevents effectually that retainer plate 71 from rotating and damaging second connecting pipe 35, and rig body 1 and drilling device 5 refer to chinese patent: a rotary jet drilling machine (CN107327272B) for road and bridge construction.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a spout rig soon for road and bridge construction and repair construction which characterized in that: the drilling machine comprises a drilling machine body (1), a first telescopic structure (2), a conveying structure (3), a second telescopic structure (4), a drilling device (5), a height adjusting structure (6) and a supporting structure (7); the drilling machine body (1) used for moving the rotary jet drilling machine on the ground is provided with the first telescopic structure (2), and one end, away from the drilling machine body (1), of the first telescopic structure (2) used for adjusting the drilling position in the horizontal direction is provided with the second telescopic structure (4) used for fixing the drilling device (5); the end part of the first telescopic structure (2) is provided with the height adjusting structure (6) for adjusting the supporting height, and the bottom end of the height adjusting structure (6) is provided with the supporting structure (7) for supporting the first telescopic structure (2) and leveling the ground; the conveying structure (3) for cleaning surface water penetrates through the supporting structure (7) and extends to the outside of the first telescopic structure (2);
the first telescopic structure (2) comprises a support frame (21) and a sliding sleeve (22), the support frame (21) is fixed on the drilling machine body (1), and the end part of the support frame (21) is provided with the inverted L-shaped sliding sleeve (22);
the height adjusting structure (6) comprises a supporting sleeve (61), two sliding rods (62) and a second hydraulic cylinder (63), the supporting sleeve (61) is arranged at the end part of the sliding sleeve (22), the supporting sleeve (61) is symmetrically provided with the two sliding rods (62), the sliding rods (62) are in sliding connection with the sliding sleeve (22), one end of the second hydraulic cylinder (63) is arranged in the sliding sleeve (22), and the other end of the second hydraulic cylinder (63) is fixed on the sliding rods (62);
the supporting structure (7) comprises a fixing ring (71), a first transmission ring (72), a supporting ring (73), a second transmission ring (74), a filter screen (75), an anti-blocking rod (76), a guide shaft (77) and a lug (78), the fixing ring (71) is rotatably connected with the supporting sleeve (61), the outer edge of the supporting ring (73) of an annular structure is fixed on the fixing ring (71), the inner edge of the supporting ring (73) is fixed on the second transmission ring (74), the first transmission ring (72) and the second transmission ring (74) are fixed through bolts, the first transmission ring (72) and the second transmission ring (74) are rotatably connected with the supporting sleeve (61), the outer circumferences of the first transmission ring (72) and the second transmission ring (74) are both in a circular truncated cone shape, and the cross section of the supporting ring (73) is in a wave-shaped structure, the connection face of the crest of the outer circumference of lock ring (73) is round platform shape, just filter screen (75) are fixed in lock ring (73), the cross-section of filter screen (75) is the wave, guiding axle (77) run through in connect in support cover (61) with prevent stifled pole (76), prevent the one end of stifled pole (76) with filter screen (75) are contradicted, prevent the other one end of stifled pole (76) with on second transmission circle (74) lug (78) are contradicted, lug (78) with the looks remote site of preventing stifled pole (76) is the spheroid structure.
2. The rotary jet drilling machine for road and bridge construction and repair construction according to claim 1, wherein: first extending structure (2) still include bracing (23), motor (24) and lead screw (25), the welding of the corner of sliding sleeve (22) has bracing (23), is used for the reinforcement bracing (23) with the corner of sliding sleeve (22) constitutes the triangle-shaped structure, lead screw (25) through connection in support frame (21) with sliding sleeve (22), lead screw (25) with rotate between support frame (21) and be connected, lead screw (25) with threaded connection between sliding sleeve (22), motor (24) are located the tip of support frame (21), just lead screw (25) are fixed in motor (24).
3. The rotary jet drilling machine for road and bridge construction and repair construction according to claim 2, wherein: the second telescopic structure (4) comprises a sealing plate (41), a sliding block (42) and a first hydraulic cylinder (43), the second telescopic structure is used for fixing the drilling device (5), the sliding block (42) is in sliding connection with the sliding sleeve (22), the cross section of the second telescopic structure is trapezoidal, the sealing plate (41) is arranged on the sliding block (42), the cross section of the second telescopic structure is trapezoidal, the sealing plate (41) is in sliding connection with the sliding sleeve (22), one end of the first hydraulic cylinder (43) is fixed to the sliding sleeve (22), and the other end of the first hydraulic cylinder (43) is fixed to the sliding block (42).
4. The rotary jet drilling machine for road and bridge construction and repair construction according to claim 1, wherein: transport structure (3) include first connecting pipe (31), holding ring (32), water conservancy diversion passageway (33), locating lever (34) and second connecting pipe (35), first connecting pipe (31) are fixed in sliding sleeve (22), locating lever (34) are fixed in support cover (61), locating lever (34) with sliding connection between sliding sleeve (22), holding ring (32) are fixed in support cover (61), retainer plate (71) with sliding connection between holding ring (32), second connecting pipe (35) run through in holding ring (32) and extend to support cover (61), water conservancy diversion passageway (33) switch on with first connecting pipe (31) locating lever (34) with second connecting pipe (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910813574.3A CN110439475B (en) | 2019-08-30 | 2019-08-30 | Rotary spraying drilling machine for road and bridge construction and repair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910813574.3A CN110439475B (en) | 2019-08-30 | 2019-08-30 | Rotary spraying drilling machine for road and bridge construction and repair |
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| CN110439475A CN110439475A (en) | 2019-11-12 |
| CN110439475B true CN110439475B (en) | 2020-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226342B (en) * | 2011-04-15 | 2013-05-01 | 山东鑫国重机科技有限公司 | Multi-functional piling machine for jet grouting pile-sinking |
| CN103061673B (en) * | 2013-02-06 | 2015-08-12 | 湖南优力特重工有限公司 | Multifunctional micropile rig |
| EP2957709B1 (en) * | 2014-06-20 | 2017-08-16 | Soilmec S.p.A. | Safety system for isolating the dangerous areas of a drilling machine, drilling machine provided with said safety system and process for using said drilling machine |
| CN106761399B (en) * | 2017-02-28 | 2020-04-24 | 北京中岩大地科技股份有限公司 | Multifunctional drilling machine and construction method thereof |
| CN107327272B (en) * | 2017-07-28 | 2019-05-03 | 湖南天鹰建设有限公司 | The jet drill rig for repairing construction is built for road and bridge |
| CN207143934U (en) * | 2017-09-10 | 2018-03-27 | 张庆茹 | A kind of road and bridge construction rotary jet grouting rig |
| CN108915594B (en) * | 2018-07-09 | 2020-04-24 | 北京中岩大地科技股份有限公司 | Rotary spraying directional guiding device while drilling |
| CN109183803A (en) * | 2018-09-21 | 2019-01-11 | 鸿厦建设有限公司 | A kind of deep basal pit adverse construction method device and construction method |
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