CN111561267B - Drill bit of multi-head soil drilling and dumping machine for hard soil areas - Google Patents
Drill bit of multi-head soil drilling and dumping machine for hard soil areas Download PDFInfo
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- CN111561267B CN111561267B CN202010426542.0A CN202010426542A CN111561267B CN 111561267 B CN111561267 B CN 111561267B CN 202010426542 A CN202010426542 A CN 202010426542A CN 111561267 B CN111561267 B CN 111561267B
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- 239000002689 soil Substances 0.000 title claims abstract description 142
- 238000005553 drilling Methods 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 239000004570 mortar (masonry) Substances 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 3
- 239000011440 grout Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 11
- 239000011083 cement mortar Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001066 destructive effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
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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
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a multi-head drill bit of a soil dumping machine in a hard soil region, which comprises a longitudinal transmission rod, an upper sleeve, a plurality of lower sleeves, a drill bit assembly, an electromagnetic vibration exciter and a lifting platform, wherein the drill bit assembly is positioned on the outer side of the longitudinal transmission rod and matched with the longitudinal transmission rod, the upper sleeve is sleeved on the outer side of the longitudinal transmission rod, the lower sleeves are connected with each other and sleeved on the outer side of the drill bit assembly, the electromagnetic vibration exciter is fixed on the longitudinal transmission rod and positioned above the upper sleeve, and the upper sleeve is fixed on the lifting platform. The drill bit of the multi-head soil drilling and discharging machine in the hard soil region can be lifted, the disassembly and the assembly of each structure are convenient, the difficulty in disassembling the device is avoided, the platform can be controlled to lift and the drill bit can be controlled to punch holes by the operating platform, personnel are reduced, and the operation is simple.
Description
Technical Field
The invention belongs to the field of soil drilling equipment, and particularly relates to a drill bit of a multi-head soil drilling and discharging machine in a hard soil region.
Background
The drilling technology is a common construction technology used for detection and construction in civil engineering and even reconnaissance engineering. The technology needs to drill the soil body through various instruments, and other operations such as drilling and pouring of piles, drilling exploration and the like are carried out simultaneously. The engineering personnel can greatly increase the convenience and the safety of construction by the technology.
At present, the main applied instruments of the drilling technology are single drill bits, the capacity of the drill bits for drilling soil in hard soil areas is limited, and the loss of the drill bits is extremely large; when the ordinary drill bit drills soil, the broken soil in the air is difficult to discharge, so that soil holes collapse due to the fact that the broken soil splashes around when the soil drills, and the main problems are as follows:
1. the drill bit is single, is difficult to guarantee the stability of soil body, leads to final soil cave collapse.
2. In hard soil areas, a single drill bit is difficult to drill, the drill bit is too high in loss, and the drill cannot drill to reach a fixed depth.
3. In the drilling process, the soil holes have no protection measures and are uneven, so that a large amount of materials in the engineering are wasted.
4. After drilling, soil in the hole is difficult to discharge, and the engineering quality is difficult to ensure due to excessive residues during pouring.
On one hand, the problems mainly affect the construction quality of the engineering; on the other hand, for the construction period, if the drilling errors are too much, the construction period is delayed, the construction cost is influenced to a certain extent, and the loss of the drill bit is extremely large; and when the ordinary drill bit drills soil, the broken soil in the air is difficult to discharge, so that the defects that soil holes collapse and the like due to the fact that the broken soil splashes around during soil drilling are caused.
Disclosure of Invention
In view of the above, the present invention is directed to a drill bit of a multi-head earth drilling and dumping machine in a hard soil region, so as to have a protection measure of a sleeve, and simultaneously, the sleeve and the drill bit can act together, so as to drill earth while protecting a drill hole from collapse; the multi-drill can ensure stronger destructive power to the soil body and has more obvious effect on soil body drilling.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a soil dumping machine drill bit is bored to bull in hard soil area, includes longitudinal drive pole, upper portion sleeve, a plurality of lower part sleeve, drill bit assembly, electromagnetic vibration exciter, lift platform, drill bit assembly be located the outside of longitudinal drive pole, and with longitudinal drive pole cooperate, upper portion sleeve overlap in the outside of longitudinal drive pole, the lower part sleeve between link to each other, and overlap in the outside of drill bit assembly, the electromagnetic vibration exciter be fixed in longitudinal drive pole on, and be located upper portion telescopic top, the upper portion sleeve be fixed in lift platform on.
Furthermore, the drill bit assembly comprises 3 drill bit single bodies with the same structure, each drill bit single body comprises an upper transmission rod, a middle connecting rod, a lower drill bit rod and a drill bit, which are sequentially arranged from top to bottom, three-shaft linkage gears are arranged on the outer sides of the upper transmission rod and the longitudinal transmission rod, and the drill bit single bodies and the longitudinal transmission rods are engaged and matched through the three-shaft linkage gears; the upper transmission rod, the middle connecting rod and the lower drill rod are detachably connected; and spiral soil discharge grooves are formed in the middle connecting rod and the lower drill bit rod. Drill bit and sleeve bore soil simultaneously, and every drill bit sets up three boring cutter, and three drill bit altogether breaks ground, and the external sleeve is structural a bit higher than the drill bit, treats that the drill bit breaks ground and ends, and the sleeve passes through top fixing bearing and links the common rotation and bore soil. The sleeve can protect the outer side of the soil body from toppling over when drilling the soil, and meanwhile, the hole wall can not be damaged. The soil discharging structure is provided with the one-way soil discharging groove through the drill rod to discharge soil upwards, the drill rod rotates to drill soil and simultaneously discharges soil, accumulated worry is removed, and meanwhile the sleeve protects the soil discharging and simultaneously cannot damage the hole wall.
Furthermore, the drill bit of the multi-head soil drilling and dumping machine in the hard soil area is also provided with a guniting mechanism, the guniting mechanism is positioned between the lower sleeves and is connected with the lower sleeves, the guniting mechanism comprises a mortar conveying pipeline, a mortar outlet pipeline, an upper mortar conveying ring, a lower mortar conveying bearing, a notch and a pressure pump, the bottom of the mortar conveying pipeline is communicated with the bottom of the mortar outlet pipeline, the mortar conveying pipeline and the mortar outlet pipeline are both positioned in the lower sleeves, the mortar conveying pipeline is provided with a plurality of guniting holes, the lower mortar conveying bearing is fixed on the lower sleeves, the upper mortar conveying ring is positioned on the lower mortar conveying bearing, the lower mortar conveying bearing is provided with a V-shaped notch, the bottom of the notch is communicated with the mortar conveying port of the mortar conveying pipeline, the lower part of the upper mortar conveying ring is communicated with the notch, the pressure pump is connected with the upper slurry feeding ring through a pipeline. The guniting mechanism is a hole-down guniting operation, cement mortar is proportioned after soil is discharged, and then guniting operation is carried out on the inner wall of the soil hole through guniting structures such as a pressure pump, a mortar conveying pipeline and a guniting port.
Furthermore, the upper sleeve and the lower sleeve are connected through a soil discharge port connecting rod and a sleeve connecting mechanism; the sleeve connecting mechanism comprises an upper plate, a connecting plate steel column, a connecting shaft and a connecting lower plate, wherein the connecting plate steel column is fixed on the upper plate, the upper plate is hinged with the connecting lower plate through the connecting shaft, the connecting lower plate is connected with the lower sleeve, a sleeve connecting hole matched with the connecting plate steel column is formed in the bottom of the lower sleeve, and the upper plate is fixed on the correspondingly connected lower sleeve through the matching of the connecting plate steel column and the sleeve connecting hole. The connecting structure prolongs the drill bit and the sleeve, simultaneously provides the connection stability, and ensures that the connection is prolonged without alignment and determination to cause influence. The muffjoint is four sides of sleeve, and the lower part sets up four round holes, and the inside department of upper portion same position sleeve sets up four steel sheets that can move about, sets up cylindrical knot post on the board, and its size is slightly littleer than sleeve lower part round hole, guarantees equally that to connect smoothly.
Furthermore, the drill bit of the multi-head soil drilling and dumping machine in the hard soil region is also provided with a one-way bearing control mechanism, the one-way bearing control mechanism comprises a single control plate handrail, a control plate and a one-way bearing, the one-way bearing is fixed on the outer side of the longitudinal transmission rod and is positioned on the inner side of the upper sleeve, a clamping groove matched with the control plate is formed in the one-way bearing, one end of the single control plate handrail is connected with the control plate, and the other end of the single control plate handrail penetrates through the upper sleeve and is arranged on the outer side of the upper sleeve.
Further, lift platform include operation panel, support column, hydraulic lift, hydraulic pressure case, lift backup pad, the fixed section of thick bamboo in sleeve top, hydraulic lift be fixed in the lift backup pad in, one side of hydraulic lift be provided with fixed flank, the fixed section of thick bamboo in sleeve top in the telescopic outside in upper portion, the fixed section of thick bamboo in sleeve top with fixed flank fixed mutually, the hydraulic pressure case pass through the defeated oil pipe of lift with hydraulic lift link to each other, the support column be fixed in hydraulic lift on, the operation panel be fixed in the support column on, the operation panel overlap in the outside of longitudinal drive pole, one side of operation panel be provided with stair. The operation table is a fixed lifting device, wherein the operation table fixes the upper sleeve and the drill bit to move vertically and can be tightly connected with the upper drill bit at the same time. The operation platform can be operated by people.
Furthermore, the electromagnetic vibration exciter is provided with a hammering bearing, the hammering bearing is fixed on the outer side of the electromagnetic vibration exciter, the outer side of the hammering bearing is connected with a fixing frame, and the fixing frame is fixed below the operating platform. When the electromagnetic vibration exciter meets a hard area, the drill bit can be vertically hammered, and hammering and rotation can be simultaneously operated, so that the breakthrough of the hard soil area is accelerated.
Further, the drill bit of the multi-head soil drilling and discharging machine in the hard soil area is further provided with a transverse transmission rod and a dustproof fixing box, the engine is connected with the transverse transmission rod, one end of the transverse transmission rod is provided with a steering gear, the steering gear is located in the dustproof fixing box, the dustproof fixing box is fixed on the operating table, the top of the longitudinal transmission rod is provided with the steering gear, and the steering gear of the longitudinal transmission rod is meshed with the steering gear of the transverse transmission rod and located in the dustproof fixing box. The transverse transmission rod, the dustproof fixed box and the steering gear provide power and transmit power, and the power is transmitted longitudinally from the transverse transmission through the 90-degree steering transmission shaft, so that the support and unnecessary arrangement of the power device are saved. After the longitudinal transmission of the rotation type, the three shafts of the drill bit are transmitted through the fixing of the single shaft and the assistance of the bearing, and the transmission device is fixed through the built-in clamping groove and the bearing.
Further, the top of the upper sleeve is provided with a sleeve top seal, the sleeve top seal is positioned below the electromagnetic vibration exciter and sleeved outside the longitudinal transmission rod, and the sleeve top seal is connected with the longitudinal transmission rod through a top bearing; the bottom of the lower sleeve is provided with lower sleeve teeth.
Compared with the prior art, the drill bit of the multi-head soil drilling and discharging machine in the hard soil region has the following advantages:
(1) the drill bit of the multi-head soil drilling and discharging machine in the hard soil region can be lifted, the disassembly and the assembly of each structure are convenient, the difficulty in disassembling the device is avoided, the platform can be controlled to lift and the drill bit can be controlled to punch holes by the operating platform, the number of workers is reduced, and the operation is simple; multiple drill bits can be simultaneously carried out, and the electromagnetic vibration exciter is arranged to work together with the drilling, so that the drilling degree of a hard soil area is more reliable, the destructive power to a soil body is stronger, and the soil body drilling effect is more obvious; the multi-drill bit firstly destroys the soil body in the sleeve, and then carries out omnibearing soil drilling on the interior of the sleeve through sleeve rotation, so that the soil drilling operation can be ensured in hard soil areas; the sleeve is drilled simultaneously, so that the soil drilling speed is enhanced, and the hole wall is protected from being damaged; the construction speed is accelerated by drilling and dumping at the same time, and meanwhile, the collapse of the hole wall can be worried by different operations of spraying and protecting the wall under the hole; the problems that hard soil is difficult to drill and drill holes are easy to collapse are solved.
(2) The drill bit of the multi-head soil drilling and dumping machine in the hard soil region has a sleeve protection structure, and meanwhile, the sleeve and the drill bit can act together, so that soil drilling is carried out while the drill hole is protected from collapsing; the multi-drill can ensure that the destructive power to the soil body is stronger, and the soil body drilling effect is more obvious; each drill rod is provided with a soil discharging groove, so that soil is discharged cleanly; the sleeve and the auxiliary device can be used for carrying out the operation of spraying slurry under the hole, so that the stability is improved; the drilling equipment is simple, the operation is flexible and convenient, and convenience is brought to construction; good stability and is more beneficial to protecting soil pores.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic external view of a drill head of a multi-head earth boring and discharging machine in a hard soil region according to an embodiment of the invention;
FIG. 2 is a schematic view of the internal structure of a drill head of the multi-head earth-boring and soil-discharging machine in a hard soil region according to the embodiment of the invention;
FIG. 3 is a schematic view of an upper sleeve and a lower sleeve according to an embodiment of the present invention;
FIG. 4 is a schematic view of a lower sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of a three-axis linkage gear according to an embodiment of the present invention;
FIG. 6 is a schematic view of a drill pipe monolith according to an embodiment of the present invention;
fig. 7 is a schematic view of an electromagnetic vibration exciter according to an embodiment of the present invention;
FIG. 8 is a schematic view of a control mechanism for a single direction bearing according to an embodiment of the present invention;
FIG. 9 is a schematic view of an upper slurry ring according to an embodiment of the invention;
FIG. 10 is a schematic view of a lower slurry feed bearing according to an embodiment of the invention;
FIG. 11 is a schematic view of a sleeve connection mechanism according to an embodiment of the present invention
Fig. 12 is a schematic view of a sleeve dismounting and fixing device according to an embodiment of the present invention.
Description of reference numerals:
1-an engine; 2-a transverse transmission rod; 3, a dustproof fixed box; 4-a longitudinal transmission rod; 5-a top bearing; 6-sleeve capping; 7-one-way bearing control mechanism; 9-a soil discharge port connecting rod; 10-a sleeve connection mechanism; 11-top drill pipe; 12-a lower sleeve; 13-spiral soil discharge groove; 14-bottom drill pipe; 15-a drill bit; 16-a steering gear; 17-one-way bearings; 18-a card slot; 19-a three-axis linkage gear; 20-lower sleeve teeth; 21-sleeve attachment holes; 22-a socket connection; 23-an upper sleeve; 24-a bearing fixing rod; 25-an upper drive link; 26-a middle connecting rod; 27-lower drill stem; 38-an operating table; 40-a support column; 41-fixing the cylinder at the top of the sleeve; 42-a hydraulic lift; 43-an elevator support plate; 44-fixed side flaps; 45-elevator oil pipe; 49-hydraulic tank; 50-hydraulic oil cylinder; 51-stairs; 52-elevator top; 53-telescopic lifting column; 54-an electromagnetic exciter; 55-hammering the bearing; 56-slurry conveying pipeline; 57-a slurry outlet pipeline; 58-guniting holes; 59-pressure pump; 60-upper slurry feeding ring; 61-lower slurry feeding bearing; 62-a pulp return port; 63-slurry feeding port; 64-notches; 71-single control panel armrest; 72-a control panel; 101-connecting an upper plate; 102-connecting plate steel columns; 103-a connecting shaft; 104-connecting the lower plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 11, a drill bit 15 of a multi-head earth-boring and soil-discharging machine for hard soil areas comprises a longitudinal transmission rod 4, an upper sleeve 23, a plurality of lower sleeves 12, a drill bit 15 assembly, an electromagnetic exciter 54 and a lifting platform, wherein the drill bit 15 assembly is positioned on the outer side of the longitudinal transmission rod 4 and matched with the longitudinal transmission rod 4, the upper sleeve 23 is sleeved on the outer side of the longitudinal transmission rod 4, the lower sleeves 12 are connected with each other and sleeved on the outer side of the drill bit 15 assembly, the electromagnetic exciter 54 is fixed on the longitudinal transmission rod 4 and positioned above the upper sleeve 23, and the upper sleeve 23 is fixed on the lifting platform.
The engine 1 rotates to perform drilling operation, and the engine 1 can control the hydraulic lifting device, so that both lifting and drilling can be performed on the operation table 38, and the number of operators is greatly reduced.
The drill bit 15 assembly comprises 3 drill bit 15 single bodies with the same structure, each drill bit 15 single body comprises an upper transmission rod 25, a middle connecting rod 26, a lower drill bit 15 rod and a drill bit 15 which are sequentially arranged from top to bottom, three-shaft linkage gears 19 are arranged on the outer sides of the upper transmission rod 25 and the longitudinal transmission rod 4, and the drill bit 15 single bodies and the longitudinal transmission rod 4 are engaged and matched through the three-shaft linkage gears 19; the upper transmission rod 25, the middle connecting rod 26 and the lower drill bit 15 rod are detachably connected; the middle connecting rod 26 and the lower drill bit 15 are both provided with spiral soil discharging grooves 13. After the soil body is drilled and ground, soil is removed by controlling the drill bit 15 and the sleeve to idle in situ, the soil body is discharged out of the drilled soil pit through the spiral soil discharge groove 13 on the drill rod, and finally discharged out of the drill bit 15 through a soil discharge port, and further drilling is carried out. The connection of the drill rod requires stopping the rotation of the engine 1 and simultaneously opening the spigot connection plate. And (3) opening the drill rod connecting sleeve, taking three middle connecting rods 26, connecting the bottom of each middle connecting rod 26 and the top of the lower drill bit 15 rod with the drill rod connecting sleeve through drill rod connecting small holes, connecting the top of each middle connecting rod 26 and the bottom of the upper transmission rod 25 with the drill rod connecting sleeve through drill rod connecting small holes, and connecting sleeves after confirming that no error exists.
The drill bit 15 of the multi-head earth-boring dumping machine in the hard soil region is also provided with a guniting mechanism, the guniting mechanism is positioned between the lower sleeves 12 and is connected with the lower sleeves 12, the guniting mechanism comprises a grout conveying pipeline 56, a grout outlet pipeline 57, an upper grout conveying ring 60, a lower grout conveying bearing 61, a notch 64 and a pressure pump 59, the bottom of the grout conveying pipeline 56 is communicated with the bottom of the grout outlet pipeline 57, the grout conveying pipeline 56 and the grout outlet pipeline 57 are both positioned in the lower sleeves 12, the grout conveying pipeline 56 is provided with a plurality of guniting holes 58, the lower grout conveying bearing 61 is fixed on the lower sleeves 12, the upper grout conveying ring 60 is positioned on the lower grout conveying bearing 61, the lower grout conveying bearing 61 is provided with a V-shaped notch 64, the bottom of the notch 64 is communicated with a grout conveying port 63 of the grout conveying pipeline 56, the lower part of the upper slurry feeding ring 60 is communicated with the notch 64, and the pressure pump 59 is connected with the upper slurry feeding ring 60 through a pipeline.
The upper sleeve 23 is connected with the lower sleeve 12 through a soil discharge port connecting rod 9 and a sleeve connecting mechanism 10; the sleeve connecting mechanism 10 comprises an upper plate 101, connecting plate steel columns 102, a connecting shaft 103 and a connecting lower plate 104, wherein the connecting plate steel columns 102 are fixed on the upper plate 101, the upper plate 101 is hinged to the connecting lower plate 104 through the connecting shaft 103, the connecting lower plate 104 is connected with the lower sleeve 12, sleeve connecting holes 21 matched with the connecting plate steel columns 102 are formed in the bottom of the lower sleeve 12, and the upper plate 101 is fixed on the correspondingly connected lower sleeve 12 through the matching of the connecting plate steel columns 102 and the sleeve connecting holes 21. After the drill rod is installed, a section of the lower sleeve 12 is taken out to be connected, the sleeve connecting mechanism 10 at the top of the lower sleeve 12 is connected with the sleeve connecting hole 21 at the bottom of the other sleeve, namely the steel column 102 of the connecting plate is pushed into the sleeve connecting hole 21, the four holes are operated in the same mode, and the engine 1 is started after the connection is correct.
The drill bit 15 of the multi-head soil drilling and dumping machine in the hard soil region is further provided with a one-way bearing 17 control mechanism 7, the one-way bearing 17 control mechanism 7 comprises a single control plate handrail 71, a control plate 72 and a one-way bearing 17, the one-way bearing 17 is fixed on the outer side of the longitudinal transmission rod 4 and is positioned on the inner side of the upper sleeve 23, a clamping groove 18 matched with the control plate 72 is formed in the one-way bearing 17, one end of the single control plate handrail 71 is connected with the control plate 72, and the other end of the single control plate handrail passes through the upper sleeve 23 and is arranged on the outer side of the upper sleeve 23. The middle part of the longitudinal transmission rod 4 is connected with a one-way bearing 17, the inner diameter of the one-way bearing 17 is 10cm, the outer diameter of the one-way bearing 17 is 15cm, the height of the one-way bearing is 6cm, a clamping groove 18 is arranged on the inner side of the outer diameter of the one-way bearing 17, the diameter of the clamping groove is 2.0cm, the depth of the clamping groove 18 is 3cm, the width of the clamping groove 18 is 4cm, and the length of the clamping groove is 5 cm. The control plate 72 is arranged at the corresponding position of the one-way bearing 17. And lubricating oil is arranged in the middle of the bearing, so that the rotation is ensured to be free from obstruction. The control board 72 can control the connection and disconnection of the one-way bearing 17 and the capping sleeve, when the control part is embedded with the clamping groove 18, the outer sleeve and the longitudinal transmission rod 4 rotate together, and at the moment, the soil drilling improvement of a single drill rod can be as follows: the drill rod and the sleeve act together to drill soil. And (5) grinding and refining the soil, and then discharging.
The lifting platform comprises an operation platform 38, a support column 40, a hydraulic lifter 42, a hydraulic tank 49, a lifter support plate 43 and a sleeve top fixing barrel 41, the hydraulic lifter 42 is fixed on the lifter support plate 43, one side of the hydraulic lifter 42 is provided with a fixing side wing 44, the sleeve top fixing barrel 41 is sleeved on the outer side of the upper sleeve 23, the sleeve top fixing barrel 41 is fixed with the fixing side wing 44, the hydraulic tank 49 is connected with the hydraulic lifter 42 through a lifter oil conveying pipe 45, the support column 40 is fixed on the hydraulic lifter 42, the operation platform 38 is fixed on the support column 40, the operation platform 38 is sleeved on the outer side of the longitudinal transmission rod 4, and one side of the operation platform 38 is provided with a stair 51. The operator station 38 and hydraulic lift 42 may cooperate to perform a lifting operation. This mode of operation can make things convenient for the installation and the dismantlement of drill bit 15 and telescopic, can punch the accurate of position simultaneously and control. Both the hydraulic lift 42 and the drill bit 15 may be operated at the operator station 38.
The electromagnetic vibration exciter 54 is provided with a hammering bearing 55, the hammering bearing 55 is fixed on the outer side of the electromagnetic vibration exciter 54, the outer side of the hammering bearing 55 is connected with a fixed frame, and the fixed frame is fixed below the operating table 38. If meet hard region at the drilling in-process, it can't reach better effect to rely on the drill bit 15 to rotate alone, can utilize electromagnetic vibration exciter 54 to carry out the pivoted hammering this moment, electromagnetic vibration exciter 54 is the electromagnetic vibration excitation, can regulate and control hammering frequency and hammering amplitude, electromagnetic vibration exciter 54 drives longitudinal transmission pole 4, longitudinal transmission pole 4 drives three drilling rods and drill bit 15 through triaxial linkage gear 19 and rotates simultaneously and hammer the drilling, meanwhile the sleeve carries out the external protection, guarantee that the soil body can not take place the secondary and destroy. If the drill bit 15 is required to be drilled deep, the connection between the drill rod and the drill bit 15 and the connection between the drill rod and the drill bit 15 are required, and the rotation of the engine 1 is stopped to ensure the safety of construction operation.
The drill bit 15 of the multi-head soil drilling and discharging machine in the hard soil region is further provided with a transverse transmission rod 2 and a dustproof fixing box 3, the engine 1 is connected with the transverse transmission rod 2, and one end of the transverse transmission rod 2 is provided with a steering gear 16. The steering gear 16 is positioned in the dustproof fixed box 3, the dustproof fixed box 3 is fixed on the operating platform 38, the steering gear 16 is arranged at the top of the longitudinal transmission rod 4, and the steering gear 16 of the longitudinal transmission rod 4 is meshed with the steering gear 16 of the transverse transmission rod 2 and is positioned in the dustproof fixed box 3. The diameter of the lower bottom of the 45-degree steering gear 16 is 20cm, the diameter of the upper bottom is 10cm, and the height is 10 cm. The lower bottom of the gear is connected with a round steel column longitudinal transmission rod 4 with the diameter of 10cm for transmission, and the gear teeth of the steering gear are attached without looseness.
The top of the upper sleeve 23 is provided with a sleeve top seal 6, the sleeve top seal 6 is positioned below the electromagnetic vibration exciter 54 and sleeved outside the longitudinal transmission rod 4, and the sleeve top seal 6 is connected with the longitudinal transmission rod 4 through a top bearing 5; the bottom of the lower sleeve 12 is provided with lower sleeve 12 teeth.
The sleeve and the drill rod need to be disassembled in the assembling and disassembling processes. All lower devices to be disassembled, including the sleeve, the drill rod, the drill bit 15, etc., are first fixed, wherein the sleeve fixing device is used for fixing the sleeve. In the assembling and disassembling process, firstly, the drill bit 15 and the sleeve are lifted (or lowered) to proper positions through the hydraulic lifter 42, the sleeve fixing device is taken out, the sleeve fixing buckle is opened, two wings of the sleeve fixing device are unfolded and then fixed to the next section of the sleeve to be assembled (or disassembled), the buckle of the sleeve fixing device is buckled, the sleeve connecting mechanism 10 is connected (disassembled) at the moment to be assembled (or disassembled), and after the assembly (or the disassembly) is finished, the lifter is lifted (or lowered) to a certain height to assemble (or disassemble) the drill rod.
The drill bit 15 of the soil drilling and dumping machine is driven by the engine 1, the three-shaft linkage gear 19 drives the drill bit 15, the one-way bearing 17 drives the lower sleeve 12, the hydraulic lifter 42, the operating platform 38 and the sleeve fixing device to carry out lifting operation and loading and unloading operation, all the devices work together, the normal operation of the soil drilling machine is ensured, and the working efficiency is improved.
After the drilling operation is finished, the stable operation of the soil hole, namely the inner wall of the soil hole is subjected to guniting protection. After drilling and discharging all the soil from the soil hole, the position of the drill 15 and the lower sleeve 12 is kept unchanged, the engine 1 is turned off, and the pressure pump 59 and the guniting device are installed at the topmost position of the lower sleeve 12. After the fixing, the cement mortar is poured by a pressure pump 59. The cement mortar is pressed out from the pressure pump 59, flows through the slurry feeding port 63, the slurry feeding pipeline 56 and the slurry outlet pipeline 57 and finally flows back to the slurry return port 62, the engine 1 is started again, and under the dual action of the high-speed rotating lower sleeve 12 and the pressure pump 59, the cement mortar is sprayed out of the slurry discharge port and uniformly sprayed to the inner wall of the soil hole, and finally the device is disassembled.
The operation process is as follows:
firstly, the drill bit 15 of the multi-head soil drilling and discharging machine in the hard soil area is transported to a drilling site to be fixed and work stably.
Next, the worker goes up the operation table 38 via the stairs 51 to perform the lifting operation, first install the drill bit 15 and the sleeve drill bit 15, then drill the soil, the drill bit 15 first contacts the ground, then the sleeve drill bit 15 contacts the ground, when the sleeve drill bit 15 and the drill bit 15 descend to the lowest point, further drilling depth cannot be performed, and the drilling depth operation, connection and drilling depth, is performed.
Supplementary explanation: the hydraulic lifter 42 increases the oil pressure through the hydraulic press and enters the hydraulic oil barrel of the lifter through the oil delivery pipe, when the hydraulic pressure of the oil barrel is large enough, the telescopic lifting column 53 of the hydraulic lifter 42 can lift, and the lifting distance is controlled through the oil pressure.
And then drilling the soil. Firstly, the engine 1 and the top layer of the sleeve are lifted to a high position through the operating platform to ensure that the lower part is stable, the lowest end of the soil discharging port is kept at a position 1.5 meters above the bottom surface, the soil discharging is ensured not to be blocked, and the discharged soil is cleaned in time. Meanwhile, the drill bit 15 is initially drilled by means of an external instrument, and after the drill rod and the drill bit 15 vertically enter the soil body at the same time, the next step of installation and excavation is carried out according to the situation. The following starts the connection and drilling depth:
first, the connection of the drill pipe, the lower casing 12 and the top drive will be disconnected. Firstly, the sleeve connecting mechanism 10 is disassembled, the connecting plate steel column 102 on the sleeve connecting upper plate 101 is disassembled, and the sleeve connecting holes 21 are pulled out, and the four holes have the same operation mode; and then the drill rod connecting device is disassembled, the lower drill rod connecting head and the upper drill rod connecting sleeve are disassembled, and the three-rod operation mode is the same.
Next, the sleeve is first taken out and sleeved into the connecting rod for non-connection, and then the drill rod is connected.
Next, the connection of the drill rod requires stopping the rotation of the engine 1 while opening the muff coupling plate. The drill rod connecting sleeve is opened, three middle connecting rods 26 are taken, the bottom of each middle connecting rod 26 and the top of the lower drill bit 15 rod are connected with the drill rod connecting sleeve through drill rod connecting small holes, the top of each middle connecting rod 26 and the bottom of the upper transmission rod 25 are connected with the drill rod connecting sleeve through drill rod connecting small holes, and the three connecting modes are the same. And after the connection is confirmed to be correct, the sleeve is connected.
Finally, after the drill rod is installed, a section of sleeve is taken out for connection, the sleeve connecting mechanism 10 at the top of the sleeve is connected with the sleeve connecting hole 21 at the bottom of the other sleeve, namely the steel column 102 of the connecting plate is pushed into the sleeve connecting hole 21, the four holes are operated in the same mode, and the engine 1 is started after the connection is correct.
Above for the connection and drilling depth, the sleeve bit 15 and the drill rod bit 15 cooperate to drill the hole as follows:
firstly, the drill bit 15 in the whole structure contacts with the natural soil firstly, three-point hole type damage is carried out on the soil in a circle (within the caliber of a circular ring of the sleeve), when the sleeve contacts with the undamaged soil, the unidirectional bearing control plate 72 is connected with the sleeve and the transverse transmission rod 2, the sleeve and the drill bit 15 drill holes together at the moment, the soil outside three holes in the circle is collapsed, expanded drilling is carried out, when the drilling depth reaches a certain degree, the drill bit 15 stops drilling depth, idles in place, and carries out soil discharge. Meanwhile, the periphery of the inner wall of the soil hole is corrected, so that the soil hole is protected from being damaged.
Next, when the broken soil is discharged from the holes, the one-way bearing control plate 72 is separated from the sleeve and the transverse transmission rod 2, and at the moment, the drill bit 15 continues to independently drill holes to perform three-point type damage in the circle until the sleeve drill bit 15 contacts the undamaged soil body, and the previous operation is performed. If the drill hole needs to be deepened, the connection and the drilling are carried out. Until the drilling depth reaches the requirement.
The above is the drill bit 15 and the sleeve cooperating with the drilling function operation mode, and the hammering function when the drill hole meets the hard soil layer and the guniting step after the drilling is finished are introduced as follows:
hammering: if hard area is met during drilling, better effect cannot be achieved only by rotation of the drill bit 15, hammering can be performed while rotation is performed by the electromagnetic vibrator 54, and hammering frequency and hammering amplitude can be adjusted and controlled.
Firstly, the longitudinal transmission rod 4 is driven by the electromagnetic vibration exciter 54, the longitudinal transmission rod 4 drives the three drill rods and the drill bit 15 to rotate and hammer and drill holes simultaneously through gear engagement, and meanwhile, the sleeve is protected externally, so that secondary damage to soil bodies is avoided.
And next, if the soil layer passes through the hard soil layer smoothly, the electromagnetic vibration exciter can be closed, and independent drilling operation is carried out.
And (3) spraying slurry: after the drilling operation is finished, the stable operation of the soil hole, namely the inner wall of the soil hole is subjected to guniting protection. After drilling and discharging all the soil from the hole, the position of the drill 15 and the sleeve is kept unchanged, the engine 1 is turned off, and the pressure pump 59 and the guniting device are installed at the topmost position of the lower sleeve 12. After the fixing, the cement mortar is poured by a pressure pump 59. Cement mortar is discharged from the pressure pump 59, the engine 1 is started again after the cement mortar finally flows back to the slurry return port 62 through the slurry feeding port 63, the slurry feeding pipeline 56 and the slurry outlet pipeline 57, and the cement mortar is sprayed out of the slurry discharge port and uniformly sprayed to the inner wall of the soil hole through the dual functions of the sleeve device rotating at a high speed and the pressure pump 59, and finally the device is disassembled.
The above is the operation process of the longitudinal hammering operation and the guniting operation, and after the drilling and the dumping are finished, the dismounting steps of the drill bit 15 and the sleeve are as follows:
first, the drill bit 15 and the sleeve are lifted vertically upwards by a distance between the length of the drill rod and the length of the sleeve, the lower sleeve 12 is fixed, the sleeve connecting mechanism 10 is dismounted at the same time, namely, the connecting plate steel columns 102 are pulled out from the sleeve connecting holes 21, and the sleeve is operated up and down in the same way.
Next, after the sleeve connecting mechanism 10 is detached, the lower drill rods are fixed, the bottom of each middle connecting rod 26 and the top of the lower drill bit 15 rod are detached from the drill rod connecting sleeve through the drill rod connecting small holes, the top of each middle connecting rod 26 and the bottom of the upper transmission rod 25 are detached from the drill rod connecting sleeve through the drill rod connecting small holes, and the three-rod detaching mode is the same.
Next, the lower sleeve 12 is raised to a height of one section with the drill rod, and then operated in the same manner as described above until all the drill rod and sleeve are removed.
The sleeve fixing device is divided into two layers, the inner layer of the sleeve fixing device is of a rubber structure, and the sleeve fixing device can be installed and detached stably. The outer steel construction that is of sleeve fixing device, the main objective is for supporting and the fixed buckle interact of sleeve with the fixed ground of sleeve, finally with whole more than stabilizing ground. The sleeve and the three-shaft linkage gear 19 group can be fixed to slide up and down.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a hard soil area bull drill native dumping plough drill bit which characterized in that: the electromagnetic vibration exciter comprises a longitudinal transmission rod, an upper sleeve, a plurality of lower sleeves, a drill bit assembly, an electromagnetic vibration exciter and a lifting platform, wherein the drill bit assembly is positioned on the outer side of the longitudinal transmission rod and matched with the longitudinal transmission rod;
the drill bit assembly comprises 3 drill bit single bodies with the same structure, each drill bit single body comprises an upper transmission rod, a middle connecting rod, a lower drill bit rod and a drill bit, which are sequentially arranged from top to bottom, three-shaft linkage gears are arranged on the outer sides of the upper transmission rod and the longitudinal transmission rod, and the drill bit single bodies and the longitudinal transmission rod are engaged and matched through the three-shaft linkage gears; the upper transmission rod, the middle connecting rod and the lower drill rod are detachably connected; the middle connecting rod and the lower drill bit rod are both provided with spiral soil discharge grooves;
the drill bit of the multi-head soil drilling and dumping machine in the hard soil area is also provided with a guniting mechanism, the guniting mechanism is positioned between the lower sleeves and is connected with the lower sleeves, the guniting mechanism comprises a mortar conveying pipeline, a mortar outlet pipeline, an upper mortar conveying ring, a lower mortar conveying bearing, a notch and a pressure pump, the bottom of the mortar conveying pipeline is communicated with the bottom of the mortar outlet pipeline, the mortar conveying pipeline and the mortar outlet pipeline are both positioned in the lower sleeves, the mortar conveying pipeline is provided with a plurality of guniting holes, the lower mortar conveying bearing is fixed on the lower sleeves, the upper mortar conveying ring is positioned on the lower mortar conveying bearing, the lower mortar conveying bearing is provided with a V-shaped notch, the bottom of the notch is communicated with a mortar conveying port of the mortar conveying pipeline, and the lower part of the upper mortar conveying ring is communicated with the notch, the pressure pump is connected with the upper slurry feeding ring through a pipeline.
2. The multi-head drill and dumping machine drill bit of claim 1, wherein: the upper sleeve and the lower sleeve are connected through a soil discharge port connecting rod and a sleeve connecting mechanism; the sleeve connecting mechanism comprises an upper plate, a connecting plate steel column, a connecting shaft and a connecting lower plate, wherein the connecting plate steel column is fixed on the upper plate, the upper plate is hinged with the connecting lower plate through the connecting shaft, the connecting lower plate is connected with the lower sleeve, a sleeve connecting hole matched with the connecting plate steel column is formed in the bottom of the lower sleeve, and the upper plate is fixed on the correspondingly connected lower sleeve through the matching of the connecting plate steel column and the sleeve connecting hole.
3. The multi-head drill and dumping machine drill bit of claim 1, wherein: the drill bit of the multi-head soil drilling and dumping machine in the hard soil region is also provided with a one-way bearing control mechanism, the one-way bearing control mechanism comprises a single control plate handrail, a control plate and a one-way bearing, the one-way bearing is fixed on the outer side of the longitudinal transmission rod and is positioned on the inner side of the upper sleeve, the one-way bearing is provided with a clamping groove matched with the control plate, one end of the single control plate handrail is connected with the control plate, and the other end of the single control plate handrail penetrates through the upper sleeve and is arranged on the outer side of the upper sleeve.
4. The multi-head drill and dumping machine drill bit of claim 1, wherein: lift platform include operation panel, support column, hydraulic lift, hydraulic pressure case, lift backup pad, the fixed section of thick bamboo in sleeve top, hydraulic lift be fixed in the lift backup pad on, one side of hydraulic lift be provided with fixed flank, the fixed section of thick bamboo in sleeve top the telescopic outside in upper portion, the fixed section of thick bamboo in sleeve top with fixed flank fixed mutually, the hydraulic pressure case pass through lift defeated oil pipe with hydraulic lift link to each other, the support column be fixed in hydraulic lift on, the operation panel be fixed in the support column on, the operation panel overlap in the outside of longitudinal drive pole, one side of operation panel be provided with stair.
5. The multi-bit earth boring and discharging machine drill bit in the hard soil region according to claim 4, characterized in that: the electromagnetic vibration exciter is provided with a hammering bearing, the hammering bearing is fixed on the outer side of the electromagnetic vibration exciter, the outer side of the hammering bearing is connected with a fixing frame, and the fixing frame is fixed below the operating platform.
6. The multi-bit earth boring and discharging machine drill bit in the hard soil region according to claim 5, characterized in that: the drill bit of the multi-head soil drilling and discharging machine in the hard soil area is further provided with a transverse transmission rod and a dustproof fixing box, an engine is connected with the transverse transmission rod, one end of the transverse transmission rod is provided with a steering gear, the steering gear is located in the dustproof fixing box, the dustproof fixing box is fixed on an operating table, the top of a longitudinal transmission rod is provided with the steering gear, the steering gear of the longitudinal transmission rod is meshed with the steering gear of the transverse transmission rod, and the longitudinal transmission rod is located in the dustproof fixing box.
7. The multi-bit earth boring and discharging machine drill bit in the hard soil region according to claim 4, characterized in that: the top of the upper sleeve is provided with a sleeve sealing top, the sleeve sealing top is positioned below the electromagnetic vibration exciter and sleeved outside the longitudinal transmission rod, and the sleeve sealing top is connected with the longitudinal transmission rod through a top bearing; the bottom of the lower sleeve is provided with lower sleeve teeth.
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| CN202010426542.0A CN111561267B (en) | 2020-05-19 | 2020-05-19 | Drill bit of multi-head soil drilling and dumping machine for hard soil areas |
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| CN202010426542.0A CN111561267B (en) | 2020-05-19 | 2020-05-19 | Drill bit of multi-head soil drilling and dumping machine for hard soil areas |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326412B1 (en) * | 1988-01-27 | 1992-05-20 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Method of drilling a branch line aperture after internal lining of a pipeline and a water plug used in the method |
| CN102409972A (en) * | 2011-09-14 | 2012-04-11 | 万泽仁 | Multi-bit convolution punching/tamping engineering groover |
| CN202467656U (en) * | 2012-01-20 | 2012-10-03 | 重庆科垒机械有限公司 | Rock-entering excitation device for rotary drilling rig |
| CN103306608A (en) * | 2012-03-13 | 2013-09-18 | 深圳市工勘岩土工程有限公司 | Drill bit and drilling equipment |
| CN204081992U (en) * | 2014-07-09 | 2015-01-07 | 江苏特龙驱动轴制造有限公司 | Engineering groover is rushed in suspension type convolution shake |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9000941B2 (en) * | 2013-02-20 | 2015-04-07 | Baker Hughes Incorporated | Alternating frequency time domain approach to calculate the forced response of drill strings |
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2020
- 2020-05-19 CN CN202010426542.0A patent/CN111561267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326412B1 (en) * | 1988-01-27 | 1992-05-20 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Method of drilling a branch line aperture after internal lining of a pipeline and a water plug used in the method |
| CN102409972A (en) * | 2011-09-14 | 2012-04-11 | 万泽仁 | Multi-bit convolution punching/tamping engineering groover |
| CN202467656U (en) * | 2012-01-20 | 2012-10-03 | 重庆科垒机械有限公司 | Rock-entering excitation device for rotary drilling rig |
| CN103306608A (en) * | 2012-03-13 | 2013-09-18 | 深圳市工勘岩土工程有限公司 | Drill bit and drilling equipment |
| CN204081992U (en) * | 2014-07-09 | 2015-01-07 | 江苏特龙驱动轴制造有限公司 | Engineering groover is rushed in suspension type convolution shake |
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