CN112112023B - Coaxial bidirectional drill bit of stable roadbed mixing pile machine - Google Patents
Coaxial bidirectional drill bit of stable roadbed mixing pile machine Download PDFInfo
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- CN112112023B CN112112023B CN202011046119.4A CN202011046119A CN112112023B CN 112112023 B CN112112023 B CN 112112023B CN 202011046119 A CN202011046119 A CN 202011046119A CN 112112023 B CN112112023 B CN 112112023B
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 230000007704 transition Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000001154 acute effect Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 43
- 230000000694 effects Effects 0.000 abstract description 27
- 239000000428 dust Substances 0.000 description 12
- 239000011440 grout Substances 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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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
- E21B10/42—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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- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
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Abstract
The invention relates to roadbed mixing equipment, in particular to a coaxial bidirectional drill bit of a steady roadbed mixing pile machine, which comprises a conical thread mud breaker, wherein the upper end of the conical thread mud breaker is fixedly connected with an inner hollow transmission shaft, the outer side of the lower end of the inner hollow transmission shaft is fixedly provided with a first blade, the outer side of the upper part of the inner hollow transmission shaft is fixedly provided with a driving gear, the outer side of the lower part of the inner hollow transmission shaft is movably sleeved with a positioning shaft sleeve, the outer side of the upper end of the positioning shaft sleeve is fixedly provided with a gear cross shaft, the lower end of a driven gear is connected with the inner side of a box body, and the outer side of the box body is fixedly provided with a third blade, so that the box body can drive the blades to rotate and break in the direction opposite to that of the conical thread mud breaker, and the effects of improving the road foundation soil breaking efficiency and breaking quality are achieved, wherein meshing teeth on the outer sides of the driving gear, the transition gear and the driven gear are arranged in inclined spiral shape, so that the biting force, the wear resistance, the anti-seismic effect and the mute effect of the bevel gears compared with straight teeth can be improved.
Description
Technical Field
The invention relates to the field of roadbed stirring equipment, in particular to a coaxial bidirectional drill bit of a stabilized roadbed stirring pile machine.
Background
The roadbed, a structure directly supporting the track formed by filling or excavation, is also called a line substructure. The roadbed is connected with the bridge and the tunnel to jointly form a circuit. The subgrade has two basic forms according to different terrain conditions: embankment and cutting, commonly known as fill and excavation, are relatively loosely connected, and have weak dynamic load resistance. The material for constructing the roadbed, whether filled or excavated, is mainly an earth-rock type discrete material, so the roadbed is an earth structure, is often attacked and damaged by changes of natural conditions such as geology, water, rainfall, climate, earthquake and the like, and has poor resistance, and therefore, the roadbed should have sufficient firmness, stability and durability.
The existing roadbed soil can be used only by crushing, but most of the existing roadbed soil crushing devices can only crush the roadbed soil in a single-direction rotation mode, so that the crushing quality is poor while the crushing efficiency is limited, the cement paste is added after the existing roadbed soil is crushed, and the cement paste cannot be directly introduced into the roadbed soil, and the processing efficiency of the roadbed soil is further reduced.
Disclosure of Invention
The utility model provides a coaxial two-way drill bit of firm road bed stirring stake machine, the device is through setting up two sets of blades that carry out the opposite direction rotation to improve road bed soil's crushing efficiency and crushing quality greatly, inside can also directly be with the leading-in broken road bed soil of grout simultaneously, improve road bed soil's whole machining efficiency.
The utility model provides a coaxial two-way drill bit of firm road bed stirring stake machine, includes the broken mud ware of toper screw thread, cavity transmission shaft in the broken mud ware upper end fixedly connected with of toper screw thread, interior cavity transmission shaft lower extreme outside fixed mounting has first blade, interior cavity transmission shaft upper portion outside fixed mounting has drive gear, interior cavity transmission shaft lower part outside activity has cup jointed the location axle sleeve, gear cross is cup jointed in location axle sleeve upper end outside activity, gear cross outside movable mounting has transition gear, interior cavity transmission shaft upper portion outside activity has cup jointed the box, the inside swing joint of box has driven gear, box outside fixed mounting has the third blade, drive gear, transition gear, driven gear are umbelliform bevel gear setting, transition gear is vertical setting and upper and lower both sides respectively with drive gear, down, The driven gear is in meshed connection.
Preferably, the outer meshing teeth of the driving gear, the transition gear and the driven gear are arranged in inclined spiral gear teeth.
Preferably, the upper end of the box body is fixedly provided with an upper flange seat, a first muddy water prevention oil seal is arranged in a gap between the inner side of the upper flange seat and the inner hollow transmission shaft, a lower flange seat is fixedly arranged at the lower end of the box body, and a second muddy water prevention oil seal is arranged in a gap between the inner side of the lower flange seat and the positioning shaft sleeve.
Preferably, a first planar thrust bearing is movably mounted on the lower side inside the upper flange seat, a connecting plate is arranged below the inner portion of the lower end of the box body relative to the driven gear, a positioning thrust plate is fixedly connected to the lower portion of the outer side of the positioning shaft sleeve relative to the connecting plate, and a second planar thrust bearing is movably mounted at the upper end of the positioning thrust plate.
Preferably, a first cylindrical bearing is movably mounted inside the upper flange seat relative to the upper side of the first plane thrust bearing, and a second cylindrical bearing is movably mounted inside the lower flange seat relative to the lower side of the positioning thrust plate.
Preferably, a connecting cylindrical pin is movably arranged between the connecting plate and the driven gear, a connecting plate fixing screw is fixedly arranged at the lower end of the connecting plate, and the connecting plate is fixedly connected with the inner wall of the box body through the connecting plate fixing screw.
As preferred, location axle sleeve lower extreme outside fixed mounting has the tail wing seat, the fixed welding of tail wing seat outer end has the fin to hinder the board, fin hinders the board lower extreme and sets up for the acute angle shape, the inside fixed mounting of tail wing seat has the axial locating pin, the axial locating pin penetrates the inboard and interior cavity transmission shaft outside contact of location axle sleeve, the annular groove with the axial locating pin gomphosis is seted up in the interior cavity transmission shaft outside.
Preferably, gear teeth which are mutually embedded are arranged on the inner side of the gear cross shaft and the outer side of the positioning shaft sleeve.
Preferably, a positioning shaft sleeve bearing seat is fixedly mounted at the lower end of the inner side of the positioning shaft sleeve, a third muddy water oil seal and a third outer circular bearing are fixedly mounted inside the positioning shaft sleeve bearing seat, a third plane thrust bearing is movably mounted between the third muddy water oil seal and the third outer circular bearing, and a copper bushing is movably mounted at the inner side of the upper end of the positioning shaft sleeve.
Preferably, a fourth blade is fixedly installed on the outer side of the upper end of the inner hollow transmission shaft, a second blade is fixedly installed on the outer side of the lower end of the inner hollow transmission shaft, and a cement paste jet orifice communicated with the inside is formed in the lower end of the inner hollow transmission shaft.
Compared with the prior art, the invention has the following beneficial effects:
1. through the arrangement that the driving gear, the transition gear and the driven gear are arranged in the umbrella-shaped bevel gear, the transition gear is arranged longitudinally, the upper side and the lower side of the transition gear are respectively connected with the driving gear and the driven gear in an occluded mode, when the inner hollow transmission shaft rotates and utilizes the conical thread mud breaker to break roadbed soil, the drive gear can be driven to apply acting force to the transition gear, the transition gear drives the driven gear to rotate in the direction opposite to that of the driving gear, the lower end of the driven gear is connected with the inner side of the box body, and the outer side of the box body is fixedly provided with the third blade, so that the box body can drive the blades to break roadbed soil in the direction opposite to that of the conical thread mud breaker, and the effects of improving the breaking efficiency and the breaking quality of the roadbed soil are achieved The wear resistance, antidetonation effect and silence effect, wherein there is last flange seat through box upper end fixed mounting, it prevents the muddy water oil blanket to be provided with first in the clearance of going up flange seat inboard and interior cavity transmission shaft, and box lower extreme fixed mounting has the lower flange seat, be provided with the muddy water oil blanket is prevented to the second in the clearance of lower flange seat inboard and location axle sleeve, then can improve the leakproofness to outside dust when both sides are rotatory broken in the roadbed soil about the box, avoid dust to enter into the inside wearing and tearing card that causes of box and die, improve the whole life of box.
2. A first plane thrust bearing is movably arranged at the lower side inside the upper flange seat, a connecting plate is arranged at the lower part inside the lower end of the box body relative to the lower part of the driven gear, a positioning push plate is fixedly connected at the outer side of the positioning shaft sleeve relative to the lower part of the connecting plate, and a second plane thrust bearing is movably arranged at the upper end of the positioning push plate, so that when the inner hollow rotating shaft moves up and down in the crushing process, the friction coefficient when the inner hollow rotating shaft is contacted with the driving gear and the driven gear can be reduced by using the first plane thrust bearing and the second plane thrust bearing, the power transmission efficiency between the bevel gears is improved, meanwhile, a force moving to the driving gear and the driven gear is generated by the first plane thrust bearing and the second plane thrust bearing when the inner hollow rotating shaft moves up and down, and further the tight meshing effect between the bevel gears is improved, wherein a first excircle bearing is movably arranged at the upper part inside the upper flange seat relative to the first plane thrust bearing, and a second outer circular bearing is movably arranged below the push plate which is positioned relatively in the lower flange seat, so that the friction coefficient between the inner sides of the upper flange seat and the lower flange seat and the inner hollow transmission shaft can be reduced, the resistance of the inner sides of the upper flange seat and the lower flange seat when the inner sides rotate in the direction opposite to the direction of the inner hollow transmission shaft is reduced, and the crushing efficiency of the third blade on the roadbed soil is ensured.
3. Through movable mounting between connecting plate and the driven gear there is the connecting cylindric lock, connecting plate lower extreme fixed mounting has connecting plate fixed screw, and the connecting plate passes through connecting plate fixed screw and box inner wall fixed connection, when making can guarantee that the driven gear can drive box pivoted, then can utilize connecting cylindric lock upper and lower both ends to set up respectively inside connecting plate and driven gear, thereby also can guarantee the transmission effect when interior hollow transmission shaft reciprocates and leads to producing the micro clearance between driven gear and the connecting plate, make to reach the effect that can carry out micro interval between the bevel gear and adjust, avoid laminating tension between the bevel gear to lead to the wearing and tearing efficiency to increase, thereby improve the inside bevel gear's of box life.
4. The tail wing seat is fixedly arranged on the outer side of the lower end of the positioning shaft sleeve, the outer end of the tail wing seat is fixedly welded with the tail wing baffle plate, and the lower end of the tail wing baffle plate is arranged in an acute angle shape, so that the tail wing baffle plate can be inserted into soil by utilizing the acute angle of the lower end after entering the interior of roadbed soil, and thus, the fixed non-rotating acting force is provided for the positioning shaft sleeve by utilizing the resistance of the roadbed soil, the transition gear only can rotate and transmit on the outer side of the gear cross shaft, the gear cross shaft can not rotate per se, the effect of ensuring that the driven gear can be driven by the driving gear to rotate in the opposite direction is achieved, wherein, an axial positioning pin is fixedly arranged in the tail wing seat, penetrates through the inner side of the positioning shaft sleeve and is contacted with the outer side of the inner hollow transmission shaft, and an annular groove which is embedded with the axial positioning pin is arranged on the outer side of the inner hollow transmission shaft, so that the tail wing seat can be ensured to move up and down along with the inner hollow transmission shaft by utilizing the axial positioning pin, will not rotate with the inner hollow drive shaft.
5. Be provided with the teeth of a cogwheel of mutual gomphosis through gear cross inboard and location axle sleeve outside, make the gear cross can be connected with the location axle sleeve, when the location axle sleeve effect keeps not changeing, when interior cavity transmission shaft reciprocated, also can keep the interlock to be connected when making to produce small dislocation between gear cross and the location axle sleeve, further improve the effect that can carry out small interval between the bevel gear and adjust.
6. Through the inboard lower extreme fixed mounting of location axle sleeve there is location axle sleeve bearing frame, the inside fixed mounting of location axle sleeve bearing frame has third muddy water oil blanket and third excircle bearing, movable mounting has third plane thrust bearing between third muddy water oil blanket and the third excircle bearing, the inboard movable mounting in location axle sleeve upper end has the copper bush, then can improve the leakproofness of location axle sleeve to outside dust, when avoiding dust to enter into inside and causing the wearing and tearing card dead, can utilize three excircle bearings to reduce the coefficient of friction between location axle sleeve and the interior cavity pivot, improve the life of location axle sleeve, wherein through third plane thrust bearing, when then can avoiding interior cavity transmission shaft to reciprocate, it causes the damage to produce the friction between third excircle bearing and the third muddy water oil blanket, thereby guarantee the normal work of location axle sleeve.
7. Interior cavity transmission shaft upper end outside fixed mounting has the fourth blade, interior cavity transmission shaft lower extreme outside fixed mounting has the second blade, interior cavity transmission shaft lower extreme seted up with inside communicating grout jet for can be through the blade of increase with the contact of roadbed soil, thereby improve the broken efficiency to roadbed soil, can inwards let in grout to inside cavity transmission shaft when, let inside the roadbed soil that grout directly gets into broken completion, improve the whole machining efficiency of roadbed soil.
Drawings
FIG. 1 is an overall perspective front view of the present invention;
FIG. 2 is an overall internal perspective view of the present invention;
FIG. 3 is an interior perspective view of a locating boss according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the invention at B of FIG. 3;
FIG. 6 is a perspective view of the drive gear of the present invention;
FIG. 7 is a top view of the gear cross of the present invention.
In FIGS. 1-7: 1-conical thread mud breaker, 2-first blade, 3-second blade, 4-third blade, 5-fourth blade, 6-inner hollow transmission shaft, 7-upper flange seat, 8-first muddy water oil seal, 9-first excircle bearing, 10-first plane thrust bearing, 11-box body, 12-connecting plate, 13-connecting cylindrical pin, 14-second plane thrust bearing, 15-positioning thrust plate, 16-second muddy water oil seal, 17-tail wing seat, 18-axial positioning pin, 19-third excircle bearing, 20-third plane thrust bearing, 21-third muddy water oil seal, 22-grout injection port, 23-driving gear, 24-transition gear, 25-gear cross shaft, 26-driven gear, 27-connecting plate fixing screw, 28-empennage baffle plate, 29-second outer circular bearing, 30-copper bush, 31-positioning shaft sleeve, 32-positioning shaft sleeve bearing seat and 33-lower flange seat.
Detailed Description
Referring to fig. 1 to 7, a schematic plan view and a schematic perspective view of a coaxial bi-directional drill bit of a stabilized roadbed mixing pile machine are shown.
A coaxial bidirectional drill bit of a stable roadbed mixing pile machine comprises a conical thread mud breaker 1, an inner hollow transmission shaft 6 is fixedly connected to the upper end of the conical thread mud breaker 1, a first blade 2 is fixedly mounted on the outer side of the lower end of the inner hollow transmission shaft 6, a driving gear 23 is fixedly mounted on the outer side of the upper portion of the inner hollow transmission shaft 6, a positioning shaft sleeve 31 is movably sleeved on the outer side of the lower portion of the inner hollow transmission shaft 6, a gear cross shaft 25 is movably sleeved on the outer side of the upper end of the positioning shaft sleeve 31, a transition gear 24 is movably mounted on the outer side of the gear cross shaft 25, a box body 11 is movably sleeved on the outer side of the upper portion of the inner hollow transmission shaft 6, a driven gear 26 is movably connected inside the box body 11, a third blade 4 is fixedly mounted on the outer side of the box body 11, the driving gear 23, the transition gear 24 and the driven gear 26 are arranged in an umbrella-shaped bevel gear mode, the transition gear 24 is longitudinally arranged, and the upper side and the lower side of the transition gear 24 are respectively connected with the driving gear 23, The driven gear 26 is engaged.
In specific implementation, the outer meshing teeth of the driving gear 23, the transition gear 24 and the driven gear 26 are arranged in an inclined spiral gear tooth mode, so that meshing force, abrasion resistance, anti-vibration effect and silencing effect of the bevel gears compared with straight teeth can be improved.
In the concrete implementation, the upper end of the box body 11 is fixedly provided with an upper flange seat 7, a first muddy water prevention oil seal 8 is arranged in a gap between the inner side of the upper flange seat 7 and the inner hollow transmission shaft 6, a lower flange seat 33 is fixedly arranged at the lower end of the box body 11, and a second muddy water prevention oil seal 16 is arranged in a gap between the inner side of the lower flange seat 33 and the positioning shaft sleeve 31, so that the sealing performance of the upper side and the lower side of the box body 11 on external dust during rotary crushing in roadbed soil can be improved, the phenomenon that the dust enters the box body 11 to cause abrasion and clamping is avoided, and the whole service life of the box body 11 is prolonged.
In the concrete implementation, a first plane thrust bearing 10 is movably mounted at the lower side inside the upper flange seat 7, a connecting plate 12 is arranged at the lower end inside the box body 11 and opposite to the lower part of the driven gear 26, a positioning thrust plate 15 is fixedly connected at the outer side of the positioning shaft sleeve 31 and opposite to the lower part of the connecting plate 12, a second plane thrust bearing 14 is movably mounted at the upper end of the positioning thrust plate 15, so that when the inner hollow rotating shaft 6 moves up and down in the crushing process, the friction coefficient when the first plane thrust bearing 10 and the second plane thrust bearing 14 are contacted with the driving gear 23 and the driven gear 26 can be reduced, thereby improving the power transmission efficiency between the bevel gears, and when the hollow rotating shaft 6 can move up and down through the first plane thrust bearing 10 and the second plane thrust bearing 14, a force is generated to drive the gear 23 and the driven gear 26 to move towards the transition gear 24, thereby improving the tight meshing effect between the bevel gears.
In specific implementation, the first outer circular bearing 9 is movably mounted in the upper flange seat 7 relative to the upper side of the first plane thrust bearing 10, and the second outer circular bearing 29 is movably mounted in the lower flange seat 33 relative to the lower side of the positioning thrust plate 15, so that the friction coefficient between the inner side of the box body 11 and the inner hollow transmission shaft 6 can be reduced, the resistance force applied when the box body 11 rotates in the direction opposite to the direction of the inner hollow transmission shaft 6 is reduced, and the crushing efficiency of the third blade 4 on the roadbed soil is ensured.
In the concrete implementation, movable mounting has the connection cylindric lock 13 between connecting plate 12 and driven gear 26, connecting plate 12 lower extreme fixed mounting has connecting plate fixed screw 27, connecting plate 12 passes through connecting plate fixed screw 27 and box 11 inner wall fixed connection, when making can guarantee that driven gear 26 can drive box 11 pivoted, then can utilize the upper and lower both ends of connecting cylindric lock 13 to set up respectively inside connecting plate 12 and driven gear 26, thereby also can guarantee the transmission effect when interior hollow transmission shaft 6 reciprocates and leads to producing the micro clearance between driven gear 26 and the connecting plate 12, make to reach the effect that can carry out micro interval between the bevel gear and adjust, avoid laminating tension between the bevel gear to lead to the wearing and tearing efficiency to increase.
In specific implementation, a tail wing seat 17 is fixedly installed on the outer side of the lower end of a positioning shaft sleeve 31, a tail wing baffle 28 is fixedly welded at the outer end of the tail wing seat 17, the lower end of the tail wing baffle 28 is arranged in an acute angle shape, after the tail wing baffle 28 enters roadbed soil, the acute angle of the lower end can be used for being inserted into the soil, fixed non-rotating acting force is provided for the positioning shaft sleeve 31 by using resistance of the roadbed soil, the transition gear 24 only can rotate and transmit on the outer side of a gear cross shaft 25, the gear cross shaft 25 can not rotate, the effect of ensuring that a driven gear 23 can drive a driven gear 26 to rotate in opposite directions is achieved, an axial positioning pin 18 is fixedly installed inside the tail wing seat 17, the axial positioning pin 18 penetrates through the inner side of the positioning shaft sleeve 31 to be in contact with the outer side of an inner hollow transmission shaft 6, an annular groove embedded with the axial positioning pin 18 is formed in the outer side of the inner hollow transmission shaft 6, and the axial positioning pin 18 can be used for ensuring that the tail wing seat 17 moves up and down along with the inner hollow transmission shaft 6 and down And will not rotate with the inner hollow transmission shaft 6.
In the specific implementation, the gear teeth which are mutually embedded are arranged on the inner side of the gear cross shaft 25 and the outer side of the positioning shaft sleeve 31, so that the gear cross shaft 25 can be connected with the positioning shaft sleeve 31, the gear cross shaft is kept from rotating under the action of the positioning shaft sleeve 31, and simultaneously, when the inner hollow transmission shaft 6 moves up and down, the gear cross shaft 25 and the positioning shaft sleeve 31 can also keep meshed connection when slight dislocation is generated, and the effect of fine distance adjustment between bevel gears is further improved.
In the concrete implementation, a positioning shaft sleeve bearing seat 32 is fixedly installed at the lower end of the inner side of the positioning shaft sleeve 31, a third muddy water oil seal 21 and a third outer circular bearing 19 are fixedly installed inside the positioning shaft sleeve bearing seat 32, a third plane thrust bearing 20 is movably installed between the third muddy water oil seal 21 and the third outer circular bearing 19, a copper bush 30 is movably installed at the inner side of the upper end of the positioning shaft sleeve 31, the sealing performance of the positioning shaft sleeve 31 to external dust can be improved, the dust is prevented from entering the inner part to cause abrasion and blocking, the friction coefficient between the positioning shaft sleeve 31 and the inner hollow rotating shaft 6 can be reduced by utilizing the three outer circular bearings 19, the service life of the positioning shaft sleeve 31 is prolonged, wherein, through the third plane thrust bearing 20, when the inner hollow transmission shaft 6 moves up and down, the third cylindrical bearing 19 and the third muddy water oil seal 21 are damaged due to friction, so that the normal work of the positioning shaft sleeve 31 is ensured.
In the concrete implementation, 6 upper end outside fixed mounting of interior cavity transmission shaft has fourth blade 5, 6 lower extreme outside fixed mounting of interior cavity transmission shaft has second blade 3, 6 lower extremes of interior cavity transmission shaft have seted up with inside communicating grout injection port 22, make can be through increasing the blade with the contact of roadbed soil, thereby when improving the crushing efficiency to roadbed soil, can inwards let in grout to 6 inside hollow transmission shafts, let inside grout directly gets into the roadbed soil of broken completion, improve the whole machining efficiency of roadbed soil.
The working principle of the coaxial bidirectional drill bit of the stable roadbed mixing pile machine is as follows.
Firstly, the conical thread mud breaker is put into roadbed soil to be broken, the driving gear 23, the transition gear 24 and the driven gear 26 are arranged by an umbrella-shaped bevel gear, the transition gear 24 is arranged longitudinally, and the upper side and the lower side of the transition gear are respectively meshed with the driving gear 23 and the driven gear 26, when the inner hollow transmission shaft 6 rotates and utilizes the conical thread mud breaker 1 to break the roadbed soil, the driving gear 23 can be driven to apply 24 acting force on the transition gear, the transition gear 24 drives the driven gear 26 to rotate in the direction opposite to that of the driving gear 23, the lower end of the driven gear 23 is connected with the inner side of the box body 11, and the outer side of the box body 11 is fixedly provided with the third blade 4, so that the box body 11 can drive the blades to carry out rotary breaking in the direction opposite to that of the conical thread mud breaker 1, and the effect of improving the breaking efficiency and the breaking quality of the roadbed soil is achieved, wherein, the outer side meshing teeth of the driving gear 23, the transition gear 24 and the driven gear 26 are arranged as inclined spiral gear teeth, so that the meshing force, the wear resistance, the anti-vibration effect and the silencing effect of straight teeth among bevel gears can be improved, wherein, an upper flange seat 7 is fixedly arranged at the upper end of the box body 11, a first muddy water oil seal 8 is arranged in a gap between the inner side of the upper flange seat 7 and the inner hollow transmission shaft 6, a lower flange seat 33 is fixedly arranged at the lower end of the box body 11, a second muddy water oil seal 16 is arranged in a gap between the inner side of the lower flange seat 33 and the positioning shaft sleeve 31, the sealing performance of the upper side and the lower side of the box body 11 to external dust during rotary crushing in roadbed soil can be improved, the dust is prevented from entering the box body 11 to cause abrasion and seizure, the whole service life of the box body 11 is prolonged, and then, a first plane thrust bearing 10 is movably arranged at the lower side in the upper flange seat 7, a connecting plate 12 is arranged in the lower end of the box body 11 opposite to the lower part of the driven gear 26, a positioning thrust plate 15 is fixedly connected with the outer side of the positioning shaft sleeve 31 opposite to the lower part of the connecting plate 12, and a second plane thrust bearing 14 is movably arranged at the upper end of the positioning thrust plate 15, so that when the inner hollow rotating shaft 6 moves up and down in the crushing process, the friction coefficient when the inner hollow rotating shaft 6 is contacted with the driving gear 23 and the driven gear 26 can be reduced by using the first plane thrust bearing 10 and the second plane thrust bearing 14, the power transmission efficiency between the bevel gears is improved, meanwhile, when the inner hollow rotating shaft 6 moves up and down through the first plane thrust bearing 10 and the second plane thrust bearing 14, a force which moves towards the transition gear 24 is generated on the driving gear 23 and the driven gear 26, and the tight meshing effect between the bevel gears is further improved, wherein a first excircle bearing 9 is movably arranged in the upper part of the upper flange seat 7 opposite to the upper part of the first plane thrust bearing 10, and the lower part of the push plate 15 which is relatively positioned in the lower flange seat 33 is movably provided with a second outer circular bearing 29, so that the friction coefficient between the inner sides of the upper flange seat 7 and the lower flange seat 33 and the inner hollow transmission shaft 6 can be reduced, the resistance on the inner side caused by the rotation in the direction opposite to the direction of the inner hollow transmission shaft 6 can be reduced, the crushing efficiency of the third blade 4 on the roadbed soil can be ensured, then a connecting cylindrical pin 13 is movably arranged between a connecting plate 12 and a driven gear 26, a connecting plate fixing screw 27 is fixedly arranged at the lower end of the connecting plate 12, and the connecting plate 12 is fixedly connected with the inner wall of the box body 11 through the connecting plate fixing screw 27, so that the driven gear 26 can drive the box body 11 to rotate, meanwhile, the upper end and the lower end of the connecting cylindrical pin 13 can be respectively arranged in the connecting plate 12 and the driven gear 26, and the transmission effect can be ensured when the inner hollow transmission shaft 6 moves up and down to cause a small gap to be generated between the driven gear 26 and the connecting plate 12, so as to achieve the effect of adjusting the tiny distance between the bevel gears and avoid the increase of wear efficiency caused by the over-tight fit between the bevel gears, thereby prolonging the service life of the bevel gears in the box body 11, then the tail wing seat 17 is fixedly installed on the outer side of the lower end of the positioning shaft sleeve 31, the outer end of the tail wing seat 17 is fixedly connected with the tail wing baffle 28, the lower end of the tail wing baffle 28 is arranged in an acute angle shape, and the axial positioning pin 18 is fixedly installed in the tail wing seat 17, so that the tail wing baffle 28 can be inserted into the soil by utilizing the acute angle of the lower end after entering the interior of the roadbed soil, thereby providing a fixed non-rotating acting force for the positioning shaft sleeve 31 by utilizing the resistance of the roadbed soil, leading the transition cross gear 24 to only rotate and transmit on the outer side of the gear shaft 25, leading the gear cross shaft 25 not to rotate per se and achieving the effect of ensuring that the driving gear 23 can drive the driven gear 26 to rotate in the opposite direction, wherein, an axial positioning pin 18 is fixedly arranged in the tail wing seat 17, the axial positioning pin 18 penetrates the inner side of the positioning shaft sleeve 31 to be contacted with the outer side of the inner hollow transmission shaft 6, and the outer side of the inner hollow transmission shaft 6 is provided with an annular groove which is embedded with the axial positioning pin 18, so that the tail wing seat 17 can be ensured to move up and down along with the inner hollow transmission shaft 6 by utilizing the axial positioning pin 18 and can not rotate along with the inner hollow transmission shaft 6, the gear teeth which are mutually embedded are arranged on the inner side of the gear cross 25 and the outer side of the positioning shaft sleeve 31, the gear cross 25 can be connected with the positioning shaft sleeve 31, when the gear cross is kept to be not rotated under the action of the positioning shaft sleeve 31, the inner hollow transmission shaft 6 moves up and down, the gear cross 25 can be kept in meshed connection when being slightly staggered with, then, a positioning shaft sleeve bearing seat 32 is fixedly installed at the lower end of the inner side of the positioning shaft sleeve 31, a third muddy water oil seal 21 and a third outer circular bearing 19 are fixedly installed inside the positioning shaft sleeve bearing seat 32, a third plane thrust bearing 20 is movably installed between the third muddy water oil seal 21 and the third outer circular bearing 19, and a copper bush 30 is movably installed at the inner side of the upper end of the positioning shaft sleeve 31, so that the sealing performance of the positioning shaft sleeve 31 to external dust can be improved, the dust is prevented from entering the inner part to cause abrasion and seizure, meanwhile, the friction coefficient between the positioning shaft sleeve 31 and the inner hollow rotating shaft 6 can be reduced by using the third outer circular bearing 19, the service life of the positioning shaft sleeve 31 is prolonged, wherein when the inner hollow rotating shaft 6 moves up and down, the damage caused by friction generated between the third outer circular bearing 19 and the third muddy water oil seal 21 can be avoided through the third plane thrust bearing 20, so as to ensure the normal work of the positioning shaft sleeve 31, last 6 upper ends of interior cavity transmission shafts outside fixed mounting have fourth blade 5, 6 lower extreme outside fixed mounting of interior cavity transmission shafts have second blade 3, 6 lower extremes of interior cavity transmission shafts offer with inside communicating grout injection 22, make can be through increasing the blade with the contact of roadbed soil, thereby improve the crushing efficiency to the roadbed soil, can inwards let in grout to 6 inside of cavity transmission shafts simultaneously, let inside grout direct entering the roadbed soil of broken completion, improve the whole machining efficiency of roadbed soil.
Claims (5)
1. The utility model provides a coaxial two-way drill bit of firm road bed stirring stake machine, includes broken mud ware of toper screw thread (1), cavity transmission shaft (6) in broken mud ware of toper screw thread (1) upper end fixedly connected with, interior cavity transmission shaft (6) lower extreme outside fixed mounting has first blade (2), its characterized in that: the outer side of the upper part of the inner hollow transmission shaft (6) is fixedly provided with a driving gear (23), the outer side of the lower part of the inner hollow transmission shaft (6) is movably sleeved with a positioning shaft sleeve (31), the outer side of the upper end of the positioning shaft sleeve (31) is movably sleeved with a gear cross shaft (25), the outer side of the gear cross shaft (25) is movably provided with a transition gear (24), the outer side of the upper part of the inner hollow transmission shaft (6) is movably sleeved with a box body (11), the interior of the box body (11) is movably connected with a driven gear (26), the outer side of the box body (11) is fixedly provided with a third blade (4), the driving gear (23), the transition gear (24) and the driven gear (26) are all arranged in an umbrella-shaped bevel gear manner, the transition gear (24) is vertically arranged, the upper side and the lower side of the transition gear (24) are respectively connected with the driving gear (23) and the driven gear (26) in an occlusion manner, the upper end of the box body (11) is fixedly provided with an upper flange seat (7), a first muddy water prevention oil seal (8) is arranged in a gap between the inner side of the upper flange seat (7) and the inner hollow transmission shaft (6), a lower flange seat (33) is fixedly arranged at the lower end of the box body (11), a second muddy water prevention oil seal (16) is arranged in a gap between the inner side of the lower flange seat (33) and the positioning shaft sleeve (31), a first plane thrust bearing (10) is movably arranged at the lower side in the upper flange seat (7), a connecting plate (12) is arranged below the driven gear (26) in the lower end of the box body (11), a positioning thrust plate (15) is fixedly connected to the outer side of the positioning shaft sleeve (31) and below the connecting plate (12), a second plane thrust bearing (14) is movably arranged at the upper end of the positioning thrust plate (15), a first excircle bearing (9) is movably arranged in the upper flange seat (7) and above the first plane thrust bearing (10), lower flange seat (33) inside relative positioning thrust plate's (15) below movable mounting has second excircle bearing (29), movable mounting has between connecting plate (12) and driven gear (26) and connects cylindric lock (13), connecting plate (12) lower extreme fixed mounting has connecting plate fixed screw (27), connecting plate (12) pass through connecting plate fixed screw (27) and box (11) inner wall fixed connection, location axle sleeve (31) lower extreme outside fixed mounting has tail wing seat (17), tail wing seat (17) outer end fixed welding has fin resistance board (28), fin resistance board (28) lower extreme sets up for the acute angle shape, tail wing seat (17) inside fixed mounting has axial locating pin (18), axial locating pin (18) penetrate location axle sleeve (31) inboard and interior cavity transmission shaft (6) outside contact, the annular groove with axial locating pin (18) gomphosis is seted up in interior cavity transmission shaft (6) outside.
2. The coaxial bidirectional drill bit of the stabilized roadbed mixing pile machine as claimed in claim 1, is characterized in that: and the outer side meshing teeth of the driving gear (23), the transition gear (24) and the driven gear (26) are arranged in an inclined spiral gear tooth mode.
3. The coaxial bidirectional drill bit of the stabilized roadbed mixing pile machine as claimed in claim 1, is characterized in that: gear teeth which are mutually embedded are arranged on the inner side of the gear cross shaft (25) and the outer side of the positioning shaft sleeve (31).
4. The coaxial bidirectional drill bit of the stabilized roadbed mixing pile machine as claimed in claim 1, is characterized in that: the utility model discloses a bearing, including location axle sleeve (31), location axle sleeve bearing frame (32) inboard lower extreme fixed mounting has location axle sleeve bearing frame (32), the inside fixed mounting of location axle sleeve bearing frame (32) has third muddy water oil blanket (21) and third cylindrical bearing (19), movable mounting has third plane thrust bearing (20) between third muddy water oil blanket (21) and third cylindrical bearing (19), location axle sleeve (31) upper end inboard movable mounting has copper bush (30).
5. The coaxial bidirectional drill bit of the stabilized roadbed mixing pile machine as claimed in claim 1, is characterized in that: the inner hollow transmission shaft is characterized in that a fourth blade (5) is fixedly mounted on the outer side of the upper end of the inner hollow transmission shaft (6), a second blade (3) is fixedly mounted on the outer side of the lower end of the inner hollow transmission shaft (6), and a cement paste jet orifice (22) communicated with the inside is formed in the lower end of the inner hollow transmission shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046119.4A CN112112023B (en) | 2020-09-29 | 2020-09-29 | Coaxial bidirectional drill bit of stable roadbed mixing pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046119.4A CN112112023B (en) | 2020-09-29 | 2020-09-29 | Coaxial bidirectional drill bit of stable roadbed mixing pile machine |
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| Publication Number | Publication Date |
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| CN112112023A CN112112023A (en) | 2020-12-22 |
| CN112112023B true CN112112023B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046119.4A Active CN112112023B (en) | 2020-09-29 | 2020-09-29 | Coaxial bidirectional drill bit of stable roadbed mixing pile machine |
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| Country | Link |
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| CN (1) | CN112112023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114474411B (en) * | 2021-10-09 | 2023-12-01 | 山东华世力自动化科技有限公司 | High-hardness plate perforating and edging system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332428A (en) * | 1979-01-16 | 1982-06-01 | Matsushita Electric Industrial Co., Ltd. | Rotary mechanism with axial bearings |
| CN201148616Y (en) * | 2007-11-19 | 2008-11-12 | 徐玉杰 | Single power bidirectional multi-layer agitator head for soft foundation and stirring pile machine |
| CN101575853A (en) * | 2009-06-08 | 2009-11-11 | 河北工业大学 | Two-way drill rod of cement mixing pile |
| CN101575851A (en) * | 2009-06-08 | 2009-11-11 | 河北工业大学 | Two-way cement mixing pile machine |
| CN101591911A (en) * | 2009-06-08 | 2009-12-02 | 河北工业大学 | A kind of bi-directional cement soil mixing pile machine |
| CN206329272U (en) * | 2016-11-08 | 2017-07-14 | 天合石油集团汇丰石油装备股份有限公司 | A kind of screw drill transmission shaft assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648867B (en) * | 2016-03-02 | 2017-10-31 | 杭州江润科技有限公司 | A kind of construction method of comprehensive ecological roadbed system |
-
2020
- 2020-09-29 CN CN202011046119.4A patent/CN112112023B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332428A (en) * | 1979-01-16 | 1982-06-01 | Matsushita Electric Industrial Co., Ltd. | Rotary mechanism with axial bearings |
| CN201148616Y (en) * | 2007-11-19 | 2008-11-12 | 徐玉杰 | Single power bidirectional multi-layer agitator head for soft foundation and stirring pile machine |
| CN101575853A (en) * | 2009-06-08 | 2009-11-11 | 河北工业大学 | Two-way drill rod of cement mixing pile |
| CN101575851A (en) * | 2009-06-08 | 2009-11-11 | 河北工业大学 | Two-way cement mixing pile machine |
| CN101591911A (en) * | 2009-06-08 | 2009-12-02 | 河北工业大学 | A kind of bi-directional cement soil mixing pile machine |
| CN206329272U (en) * | 2016-11-08 | 2017-07-14 | 天合石油集团汇丰石油装备股份有限公司 | A kind of screw drill transmission shaft assembly |
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| CN112112023A (en) | 2020-12-22 |
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Address after: No.25, Dawangzhuang, Xingsan village, Luhe Township, Guanyun County, Lianyungang City, Jiangsu Province 222000 Applicant after: Sun Taixiang Address before: No. 438, Xingyuan 8th Road, Wujin Town, Xinjin District, Chengdu, Sichuan 610000 Applicant before: Sun Taixiang |
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