CN108756889A - Anti- well drilling machine reaming construction broken formation gib technique - Google Patents
Anti- well drilling machine reaming construction broken formation gib technique Download PDFInfo
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- CN108756889A CN108756889A CN201810585102.2A CN201810585102A CN108756889A CN 108756889 A CN108756889 A CN 108756889A CN 201810585102 A CN201810585102 A CN 201810585102A CN 108756889 A CN108756889 A CN 108756889A
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- well drilling
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/12—Accessories for making shaft linings, e.g. suspended cradles, shutterings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Public anti-well drilling machine reaming construction broken formation gib technique of the invention, includes the following steps：(a) pit shaft is tunneled with the segmentation reaming of anti-well drilling machine；(b) stop continuing reaming driving after often completing one section of shaft excavation, on the pit shaft borehole wall for having excavated gib sprays materials in step (a) using gib equipment, carry out gib；(c) after completing the pit shaft borehole wall gib excavated in step (2), continue the reaming driving of next section of pit shaft, then repeat step (b), until shaft excavation is completed.The present invention can while reaming to reaming after the borehole wall that is formed carry out gib, not only shorten the duration, also improve working security.
Description
Technical field
The present invention relates to mine shaft rising boring field, more particularly to a kind of anti-well drilling machine reaming construction broken formation gib work
Skill.
Background technology
Mine shaft rising boring construction technology is to creep into the guide hole of a minor diameter from the top down using anti-well drilling machine, is situated between using well-flushing
Landwaste is discharged by direct circulation for matter, after guide hole and the perforation of lower entry, then guide hole drill bit is unloaded in lower entry,
The reaming bit of major diameter is installed, reaming from bottom to top forms the pit shaft of design diameter.In reaming procedure, broken rock slag from
Working face is detached from, and lower horizontal plane is fallen to out of pit shaft after reaming by conducting oneself with dignity.
After the completion of construction of pilot shaft, the stress of primary rock state of shaft wall country rock starts to be destroyed.Especially opened from reaming
Stone terminates drilling machine to reaming and removes, and the well side large area exposure for a long time after major diameter reaming, weathering, water burst water drenching, stratum become
Change, crustal stress effect, rock strength reduction etc. can cause the deformation of well side or cave in.And during mine shaft rising boring reaming drilling,
Kata-rocks slag falls, and can not help to carry out supporting to well in pit shaft, the risk of mine shaft rising boring accident generation be increased, for water power
And other hard and steady lithostratigraphies, in the case where depth is little, can a reaming at design diameter pit shaft, but for mine
The sedimentary type formations of broken rock or the coal mine weakness of mountain engineering, especially cranny development, well help accident frequent occurrence, forever to the later stage
Long supporting is unfavorable.These problems limit the applicability of mine shaft rising boring method sinking shaft.
Vertical shaft, which is dug, at present mainly uses pre grouting from the working face advance support form when meeting broken or caving ground, and anti-
Rock slag falls out of pit shaft to lower level from working face is broken when well reaming is constructed, and personnel cannot be introduced into broken rock working face and carry out in advance
Supporting can only use pre grouting from the surface to reinforce, and long in time limit, economic cost is big, largely reduced anti-well method construction technology advantage.
Invention content
In view of this, the invention reside in provide a kind of to realize the anti-of broken formation gib after anti-well drilling machine reaming
Well drilling machine reaming is constructed broken formation gib technique, can while reaming to reaming after the borehole wall that is formed carry out it is interim
Supporting not only shortens the duration, also improves working security.
To solve the above problems, the present invention adopts the following technical scheme that：
Anti- well drilling machine reaming construction broken formation gib technique, includes the following steps：
(a) pit shaft is tunneled with the segmentation reaming of anti-well drilling machine；
(b) stop continuing reaming driving after often one section of shaft excavation of completion, be equipped gib using gib
On the pit shaft borehole wall that sprays materials have excavated in step (a), gib is carried out；
(c) after completing the pit shaft borehole wall gib excavated in step (2), continue the reaming pick of next section of pit shaft
Into, then repeat step (b), until shaft excavation complete.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, gib equipment includes that high-pressure mortar spraying is set
Standby, shunting halter determines torque tightening mechanism, gib material conveying drilling rod, lower gauge mechanism and gib nozzle, described
The outlet end of high-pressure mortar spraying equipment with it is described shunting halter liquid feeding end fluid communication connect, it is described shunting halter outlet end and
The liquid feeding end fluid communication connection of the gib material conveying drilling rod, the outlet end of the gib material conveying drilling rod
It is connect with the liquid feeding end fluid communication of the gib nozzle；The shunting halter lower end with it is described determine torque tightening mechanism consolidate
Fixed connection and be fixedly connected with gib material conveying drilling rod upper end, the gib material conveying drilling rod lower end with
Gib nozzle upper end is fixedly connected, described to determine floating bushing fixation company of the torque tightening mechanism with anti-well drill power head
It connects；The lower gauge mechanism is mounted on anti-well drilling machine lower plugboard track, and the length of the gib material conveying drilling rod is small
In the length of anti-well borer drill rod.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, the shunting halter includes current divider and shunting
Conveying lever, the current divider are fixedly connected with the shunting conveying lever upper end, are provided on the shunting conveying lever lower end outer wall
Limiting slot；It is described that determine torque tightening mechanism include bearing seat, steel ball, jacking spring and jacking bolt, the bearing seat upper face
It is provided with installing blind, the installing blind bottom hole is provided through the installing blind bottom hole and the bearing seat lower face
Installation through-hole, installation through-hole circumferential direction spaced set described in the bearing seat side wall lower ends upper edge has to be limited more than or equal to 2
Pore structure, the limit pore structure include bolt mounting holes, spring mounting hole and steel-ball limiting hole, the bolt mounting holes, institute
It states spring mounting hole and the steel-ball limiting hole is coaxial and the center of the central shaft and the installation through-hole of the bolt mounting holes
Axis intersects vertically, and the aperture of opening of the steel-ball limiting hole at the installation through-hole is less than the sphere diameter of the steel ball, institute
The radial direction that steel ball, the jacking spring and the jacking bolt are stated along the installation through-hole is successively set on the steel from the inside to the outside
In ball limit hole, the spring mounting hole and the bolt mounting holes；The shunting conveying lever lower end sequentially passes through the installation
Blind hole and the installation through-hole are simultaneously connect with the gib material conveying drilling rod below the bearing seat, in the jacking bolt
Under the thrust of the jacking spring, one end of the steel ball is held out against across the steel-ball limiting hole in the limiting slot
Interior, the other end of the steel ball is located in the steel-ball limiting hole；The bearing seat is threadedly coupled with the floating bushing；It is described
Limiting slot extends the axial trajectory that floating is scrolled up and down for the steel ball along the length direction of the shunting conveying lever.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, the gib material conveying drilling rod is extremely
It is equipped with the multilayer supporting drilling rod of two layers of transfer passage less；Outside the upper and lower end of upper end outer wall of the gib material conveying drilling rod
Gib material conveying drilling rod circumferential direction spaced set described in wall upper edge has limit buckling groove.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, neighbouring two gib materials
It is threadedly coupled between material conveying drilling rod；The lower gauge mechanism includes lower snap-gauge and lower base of fixed plate, and the lower base of fixed plate fixes peace
On anti-well drilling machine lower plugboard track, the lower snap-gauge is mounted on the lower base of fixed plate；Lower snap-gauge includes left half time snap-gauge
With right half time snap-gauge, left half time snap-gauge includes left half upper location-plate and left half time positioning plate, is set on left half upper location-plate right side wall
There are a left semicircle slot and the first rectangular recess, left half time positioning plate right side wall is equipped with the second rectangular recess, and left semicircle slot is positioned at the
Above one rectangular recess, the size and shape of the first rectangular recess and the second rectangular recess is identical and upper and lower face；
Right half time snap-gauge includes right half upper location-plate and right half time positioning plate, and right half upper location-plate left side wall is equipped with right half
Circular groove and third rectangular recess, right half time positioning plate left side wall are equipped with the 4th rectangular recess, and right semi-circle slot is located at third rectangle
Above groove, the size and shape of third rectangular recess and the 4th rectangular recess is identical and upper and lower face；First rectangular recess and
The size and shape of third rectangular recess is identical；
Left half upper location-plate lower face is fixedly connected with left half time positioning plate upper face and a left side half upper location-plate right side wall
Side and the side of right half upper location-plate left side wall are hinged, and right half upper location-plate lower face is fixed with right half time positioning plate upper face
Connection；Left semicircle slot and right semi-circle slot surround upper Positioning holes, and the first rectangular recess and third rectangular recess surround middle location hole, the
Two rectangular recess and the 4th rectangular recess surround lower Positioning holes, and upper Positioning holes, middle location hole and lower Positioning holes are coaxial, upper Positioning holes
Aperture D1, middle location hole aperture D2With lower Positioning holes aperture D3Between relationship be D1> D2=D3；Lower snap-gauge setting blocks in locking
When in slot, left half time positioning plate and right half time positioning plate are separately positioned in the locking through-hole on locking card slot slot bottom.
Above-mentioned anti-well drilling machine reaming is constructed broken formation gib technique, the gib nozzle include liquid input section and
The upper end outer wall of hydrojet section, the liquid input section is equipped with card slot；The gib material conveying drilling rod lower end and the feed liquor
Duan Shangduan fluid communications connect, and the liquid input section lower end is connect with hydrojet section upper end fluid communication；The liquid input section lower end
It is hinged with hydrojet section upper end and is connect by flexural spring, under the action of the flexural spring, the hydrojet section is axial
Angle between the liquid input section axial direction is more than 0 ° and is less than 180 °.
The installation of above-mentioned anti-well drilling machine reaming construction broken formation gib technique, gib equipment includes following step
Suddenly：
(a) it is detached by anti-well rig downtime and by anti-well drill power head with anti-well borer drill rod；
(b) lower gauge mechanism is fixedly mounted on anti-well drilling machine lower plugboard track；Determine under torque tightening mechanism
End, will determine torque tightening mechanism and is fixedly connected with the floating bushing of anti-well drill power head, then utilize the lifting oil of anti-well drilling machine
Cylinder is promoted to the mounting height of shunting halter by the anti-well drill power head for determining torque tightening mechanism is installed；
(c) shunting halter lower end is sequentially passed through into anti-well drill central hole and determines torque tightening mechanism and extend into determine torque
The lower section of tightening mechanism；
(d) gib nozzle is placed into anti-well borer drill rod centre bore, and by the upper end of gib nozzle
Be clamped with gauge mechanism, then by gib material convey the top and bottom of drilling rod respectively with shunting halter and gib
Nozzle connects；
(e) outlet end of high-pressure mortar spraying equipment is connect with the liquid feeding end fluid communication of shunting halter；The shunting halter
Outlet end pass through gib material convey drilling rod and the gib nozzle liquid feeding end fluid communication；Gib material
The length of material conveying drilling rod is less than the length of anti-well borer drill rod.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, in step (a), by anti-well drill power head
It detaches and includes the following steps with anti-well borer drill rod：
(a-1) by lower plugboard track installation on anti-well rig substructure, and lower plugboard pedestal is mounted on the lower plugboard
On track；
(a-2) upper end of anti-well borer drill rod is promoted to the top of lower plugboard pedestal with anti-well drill power head, will under
The inner bulge of plate is arranged in the limiting groove on anti-well borer drill rod outer wall and makes the upper and lower plate face of lower plugboard upper face
On limit protrusion be adjacent to anti-well borer drill rod outer wall, then with anti-well drill power head by anti-well borer drill rod transfer until
It is placed on the outside of lower plugboard in the limit card slot on lower plugboard pedestal upper face, while the limit protrusion on lower plugboard lower face
In the through-hole on limit card slot slot bottom；
(a-3) anti-well drill power head reversely rotates, and anti-well drill power head is detached with anti-well borer drill rod.
Above-mentioned mounting process will determine torque tightening mechanism and the floating bushing of anti-well drill power head fixed in step (b)
Connection, specifically comprises the following steps：
(b-1) gauge mechanism includes lower base of fixed plate and the lower snap-gauge on lower base of fixed plate under, and lower base of fixed plate is mounted on
On lower plugboard track；
(b-2) will determine torque tightening mechanism be placed on lower base of fixed plate and will determine torque tightening mechanism and lower base of fixed plate it is removable
It unloads and is fixedly connected；
(b-3) anti-well drill power head rotates in the forward direction, and by the floating bushing of anti-well drill power head and determines torque tightening mechanism
It is fixedly connected, then will determine torque tightening mechanism and detached with lower base of fixed plate.
Above-mentioned anti-well drilling machine reaming is constructed broken formation gib technique, in step (d), gib nozzle and is faced
When support material conveying drilling rod installation operation, specifically comprise the following steps：
(d-1) lower end of gib nozzle is placed into anti-well borer drill rod centre bore, and by gib nozzle
Upper end and lower snap-gauge be clamped, then lower snap-gauge is placed in the locking card slot on lower base of fixed plate；
(d-2) installation steps of first gib material conveying drilling rod are as follows：Halter lower end will be shunted and faced
When support material conveying drilling rod threaded upper ends connection and fluid communication, and by gib material conveying drilling rod lower end and interim branch
Protect the connection of nozzle threaded upper ends and fluid communication；Anti- well drill power head rotates in the forward direction, by first gib material
Drilling rod upper end is conveyed to twist with gib nozzle with shunting halter and first gib material conveying drilling rod lower end
Tightly；
Gib material is conveyed into drilling rod using the lifting cylinder of anti-well drilling machine and gib nozzle is lifted up, directly
Deviate from out of locking card slot to lower snap-gauge, lower snap-gauge is detached with gib nozzle upper end then, recycles anti-well drilling machine
Lifting cylinder is by first gib material conveying drilling rod and gib nozzle under anti-well borer drill rod centre bore
It puts, until first gib material conveying drilling rod lower end is located at below lower base of fixed plate and the conveying of gib material is bored
Bar upper end is located above lower base of fixed plate and close to lower base of fixed plate, then lower snap-gauge and gib material are conveyed to the upper end of drilling rod
Clamping recycles the lifting cylinder of anti-well drilling machine that lower snap-gauge is placed in locking card slot；Anti- well drill power head reversely rotates,
First gib material conveying drilling rod upper end is detached with shunting halter, anti-well drill power head rises, and then pacifies
Gib material conveying drilling rod is loaded, until to meet vertical shaft interim for the total length of gib material conveying drilling rod
Until supporting whitewashing needs.
Above-mentioned anti-well drilling machine reaming is constructed broken formation gib technique, lower snap-gauge include left half time snap-gauge and it is right partly under
Snap-gauge, left half time snap-gauge include left half upper location-plate and left half time positioning plate, and left half upper location-plate right side wall is equipped with left semicircle
Slot and the first rectangular recess, left half time positioning plate right side wall are equipped with the second rectangular recess, and it is recessed that left semicircle slot is located at the first rectangle
Above slot, the size and shape of the first rectangular recess and the second rectangular recess is identical and upper and lower face；
Right half time snap-gauge includes right half upper location-plate and right half time positioning plate, and right half upper location-plate left side wall is equipped with right half
Circular groove and third rectangular recess, right half time positioning plate left side wall are equipped with the 4th rectangular recess, and right semi-circle slot is located at third rectangle
Above groove, the size and shape of third rectangular recess and the 4th rectangular recess is identical and upper and lower face；First rectangular recess and
The size and shape of third rectangular recess is identical；
Left half upper location-plate lower face is fixedly connected with left half time positioning plate upper face and a left side half upper location-plate right side wall
Side and the side of right half upper location-plate left side wall are hinged, and right half upper location-plate lower face is fixed with right half time positioning plate upper face
Connection；Left semicircle slot and right semi-circle slot surround upper Positioning holes, and the first rectangular recess and third rectangular recess surround middle location hole, the
Two rectangular recess and the 4th rectangular recess surround lower Positioning holes, and upper Positioning holes, middle location hole and lower Positioning holes are coaxial, upper Positioning holes
Aperture D1, middle location hole aperture D2With lower Positioning holes aperture D3Between relationship be D1> D2=D3；Lower snap-gauge setting blocks in locking
When in slot, left half time positioning plate and right half time positioning plate are separately positioned in the locking through-hole on locking card slot slot bottom.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, gib material, by storing independently of each other
A material and B material composition；A material are by MN-500 polyether polyol, DL-400 polyether polyol, DL-1000D polyether polyol, two different
Propyl naphthalene, catalyst and ultraviolet absorber composition；B expects by 44V20L isocyanates, modified isocyanate, diisopropyl naphthalene and charcoal
Black composition；
Each group distribution ratio is as follows in A material：MN-500 polyether polyol 75-85 parts by weight, DL-400 polyether polyol 8-13
Parts by weight, DL-1000D polyether polyol 5-15 parts by weight, diisopropyl naphthalene 2-6 parts by weight, catalyst 0.1-0.5 parts by weight and
Ultraviolet absorber 0.5-1.5 parts by weight；
Each group distribution ratio is as follows in B material：44V20L isocyanates 60-75 parts by weight, modified isocyanate 26-33 weight
Part, diisopropyl naphthalene 3-8 parts by weight and carbon black 0.01-0.05 parts by weight.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, modified isocyanate are that urethane is modified isocyanic acid
One or both of ester and biuret modified isocyanates, urethane modified isocyanate are that urethane modified diphenylmethane two is different
Cyanate, preparation method are as follows：By methyl diphenylene diisocyanate, butene dioic acid and pentaerythrite according to solid-to-liquid ratio be 1-
1.5g/mL is added in ethyl alcohol, and a concentration of 0.5-1mol/ of sulfuric acid in sulfuric acid solution to mixture is added under stirring conditions
L is heated to 70-75 DEG C, reacts 2-5 hours, and reaction terminates to be cooled to room temperature to get urethane modified diphenylmethane diisocyanate
Ester；The ratio between amount of substance of methyl diphenylene diisocyanate, butene dioic acid and pentaerythrite is 10:0.5-1:0.5-1；Contracting two
The preparation method of urea-modified isocyanates is as follows：According to the ratio between amount of substance it is 1 by lysine diisocyanate and triethylamine:1-
1.5 mixing, are heated to 100-150 DEG C, react 4-8 hours, are cooled to room temperature up to modified lysine diisocyanate biuret；
Catalyst is made of major catalyst and cocatalyst, and the mass ratio of major catalyst and cocatalyst is 1~5：0.1~0.6, it is main
Catalyst is one or both of isooctyl acid bismuth and nitrilotriacetic acid bismuth, and cocatalyst is one in isocaprylic acid lanthanum and manganese iso-octoate
Kind or two kinds.
Above-mentioned anti-well drilling machine reaming construction broken formation gib technique, by A material each components according to formula input stirring
In kettle, 800r/min or more stirs 20-30min, is dispensed after taking the dish out of the pot；B material each components are put into according to formula in stirred tank,
800r/min stirs evenly dispersed to carbon black, is dispensed after taking the dish out of the pot.
The ratio between volume of above-mentioned anti-well drilling machine reaming construction broken formation gib technique, A material and B material is 1:0.9-
1.1。
The beneficial effects of the invention are as follows：(1) do not have to withdraw anti-well drilling machine, also do not have to that new drilling machine is installed, (2) are directly using anti-
Well drill power head provides the rotation of ejection supporting and promotes power, and (3) drilling rod determines torque using steel ball, and setting torque is sensitive,
Ensure that multilayer drill rod will not be twisted into two parts by anti-well drilling machine high-torque；(4) steel ball in torque tightening mechanism is determined in the axis for shunting halter
Floating is scrolled up and down to track, it is ensured that multilayer drill rod joint screw thread will not be crushed when dismounting multilayer drill rod；(4) equipment operation letter
Single, mechanism is small and exquisite, and flexibility is strong；(5) it during anti-well drilling machine reaming is constructed, waits for that target broken formation reaming finishes, stops
Only reaming is crept into；A material and B material are input to by different fluid channels at the nozzle in the pit shaft of broken formation and carried out
Then mixing is sprayed at broken formation Sidewall Surrounding Rock face, A material and the rapid reaction of B material and cures, and then forms prop and improve
Sidewall Surrounding Rock condition plays the role of sealing and closing country rock；Extend the duration to avoid reinforcing using pre grouting from the surface.
Description of the drawings
Fig. 1 is gib equipment and the structural schematic diagram after the assembly of anti-well drilling machine in the present invention；
Fig. 2 is the structural schematic diagram for the shunting halter that gib is equipped in the present invention；
Fig. 3 is the structural schematic diagram of the B-B direction of Fig. 2；
Fig. 4 is the structural schematic diagram for determining torque tightening mechanism that gib is equipped in the present invention；
Fig. 5 be Fig. 4 A-A to structural schematic diagram；
Fig. 6 is that the gib material that gib is equipped in the present invention conveys the structural schematic diagram of drilling rod；
Fig. 7 is the enlarged drawing of the parts G in Fig. 6；
Fig. 8 is the structural schematic diagram for the gib nozzle that gib is equipped in the present invention；
Fig. 9 is the enlarged drawing of the parts Z in Fig. 8；
Figure 10 is the structural schematic diagram of lower base of fixed plate in the present invention；
Figure 11 is the structural schematic diagram that Figure 11 is lower snap-gauge；
Figure 12 is the structural schematic diagram under a kind of visual direction of lower snap-gauge in the present invention；
Figure 13 is the structural schematic diagram under another visual direction of lower snap-gauge in the present invention；
Figure 14 is the structural schematic diagram under lower snap-gauge opening state in the present invention；
Figure 15 is the assembling structure schematic diagram of lower plugboard track, lower plugboard pedestal and lower plugboard in the present invention.
In figure：The anti-well drilling machines of 1-；2- shunts halter, 2-1- current dividers, and 2-2- shunts conveying lever, 2-3- limiting slots；3- is fixed
Torque tightening mechanism, 3-1- bearing seats, 3-2- jacking bolts, 3-3- jacking springs, 3-4- steel balls, 3-5- installing blinds, 3-6-
Installation through-hole；4- gib materials convey drilling rod, and 4-1- limits buckling groove；Base of fixed plate under 5-, 5-1- lock card slot, 5-2- locks
Determine through-hole；6- gib nozzles, 6-1- liquid input sections, 6-2- hydrojet sections, 6-3- flexural springs；7- floating bushings；8- lower plugboard rails
Road；The anti-well borer drill rods of 9-；10- lower plugboard pedestals；11- lower plugboards, 11-1- inner bulges, 11-2- limit protrusions；12- left half
Upper location-plate；The half time positioning plate in the left sides 13-；14- left semicircle slots；The first rectangular recess of 15-；The second rectangular recess of 16-；17- right half
Upper location-plate；The half time positioning plate in the right sides 18-；19- right semi-circle slots；20- third rectangular recess；The 4th rectangular recess of 21-.
Specific implementation mode
Scheme in the present invention to clearly illustrate, is given below preferred embodiment and is described with reference to the accompanying drawings.
Gib material
Embodiment 1
The present embodiment gib material is made of the A material and B material stored independently of each other；A expects by MN-500 polyether polyols
Alcohol, DL-400 polyether polyol, DL-1000D polyether polyol, diisopropyl naphthalene, catalyst and ultraviolet absorber composition；B expects
It is made of 44V20L isocyanates, modified isocyanate, diisopropyl naphthalene and carbon black.
Each group distribution ratio is as follows in A material：83 kilograms of MN-500 polyether polyol, 9 kilograms of DL-400 polyether polyol, DL-
0.8 kilogram of 9 kilograms of 1000D polyether polyol, 3 kilograms of diisopropyl naphthalene, 0.3 kilogram of catalyst and ultraviolet absorber.Catalyst
It is made of major catalyst and cocatalyst, the mass ratio of major catalyst and cocatalyst is 1：0.5, major catalyst is three second of ammonia
Sour bismuth, cocatalyst are isocaprylic acid lanthanum and manganese iso-octoate according to mass ratio 1:The mixture of 1 composition.
Each group distribution ratio is as follows in B material：72 kilograms of 44V20L isocyanates, 33 kilograms of modified isocyanate, diisopropyl
0.04 kilogram of 6 kilograms of naphthalene and carbon black.
Modified isocyanate is by urethane modified diphenylmethane diisocyanate and modified lysine diisocyanate contracting two
Urea is according to mass ratio 1:2 compositions.The preparation method of urethane modified diphenylmethane diisocyanate is as follows：By diphenyl methane two
Isocyanates, butene dioic acid and pentaerythrite are that 1g/mL is added in ethyl alcohol according to solid-to-liquid ratio, and sulphur is added under stirring conditions
A concentration of 0.5mol/L of sulfuric acid in acid solution to mixture is heated to 70 DEG C, reacts 5 hours, and reaction terminates to be cooled to room temperature,
Up to urethane modified diphenylmethane diisocyanate；The object of methyl diphenylene diisocyanate, butene dioic acid and pentaerythrite
The ratio between amount of matter is 10:0.5:0.8.The preparation method of biuret modified isocyanates is as follows：By lysine diisocyanate and
Triethylamine is 1 according to the ratio between amount of substance:1.2 mixing, are heated to 120 DEG C, react 6 hours, are cooled to room temperature and rely up to modified
Propylhomoserin diisocynate biuret.
A material each components are put into according to formula in stirred tank, 800r/min or more stirs 20-30min, is dispensed after taking the dish out of the pot；
B material each components are put into according to formula in stirred tank, 800r/min stirs evenly dispersed to carbon black, is dispensed after taking the dish out of the pot.In target
Broken formation reaming construction finishes, and A material and B are expected that according to volume ratio be 1:1 is input at nozzle and is mixed, and is then sprayed at
Broken formation Sidewall Surrounding Rock face can form the induration of 8-10cm thickness, induration uniaxial compressive with borehole wall surface broken rock
Intensity is up to 69MPa；The casting matrix to be formed, which carries out tensile property survey, is expected to A material and B in the present embodiment according to GB/T2567-2008
Examination, tensile strength 1.2MPa, elongation at break 83%.
Embodiment 2
The anti-well drilling machine reaming construction broken formation gib material of the present embodiment is expected by the A material and B stored independently of each other
Composition；A material are by MN-500 polyether polyol, DL-400 polyether polyol, DL-1000D polyether polyol, diisopropyl naphthalene, different
Bismuth Octoate and ultraviolet absorber composition；B material are made of 44V20L isocyanates, modified isocyanate, diisopropyl naphthalene and carbon black.
Each group distribution ratio is as follows in A material：80 kilograms of MN-500 polyether polyol, 10 kilograms of DL-400 polyether polyol, DL-
0.8 kilogram of 10 kilograms of 1000D polyether polyol, 4 kilograms of diisopropyl naphthalene, 0.3 kilogram of isooctyl acid bismuth and ultraviolet absorber.
Each group distribution ratio is as follows in B material：70 kilograms of 44V20L isocyanates, 30 kilograms of modified isocyanate, diisopropyl
0.04 kilogram of 4 kilograms of naphthalene and carbon black.
Modified isocyanate is urethane modified diphenylmethane diisocyanate, and preparation method is as follows：By diphenylmethyl
Alkane diisocyanate, butene dioic acid and pentaerythrite are that 1.2g/mL is added in ethyl alcohol according to solid-to-liquid ratio, under stirring conditions
A concentration of 1mol/L of sulfuric acid in sulfuric acid solution to mixture is added, is heated to 75 DEG C, reacts 3 hours, reaction terminates to be cooled to
Room temperature is to get urethane modified diphenylmethane diisocyanate；Methyl diphenylene diisocyanate, butene dioic acid and pentaerythrite
The ratio between the amount of substance be 10:1:1.
A material each components are put into according to formula in stirred tank, 800r/min or more stirs 20-30min, is dispensed after taking the dish out of the pot；
B material each components are put into according to formula in stirred tank, 800r/min stirs evenly dispersed to carbon black, is dispensed after taking the dish out of the pot.In target
Broken formation reaming construction finishes, and A material and B are expected that according to volume ratio be 1:1 is input at nozzle and is mixed, and is then sprayed at
Broken formation Sidewall Surrounding Rock face, can form the induration of 3-5cm thickness with borehole wall surface broken rock, and induration uniaxial compressive is strong
Degree is up to 54MPa；The casting matrix to be formed, which carries out tensile property survey, is expected to A material and B in the present embodiment according to GB/T2567-2008
Examination, tensile strength 0.6MPa, elongation at break 36%.
Embodiment 3
The anti-well drilling machine reaming construction broken formation gib material of the present embodiment is expected by the A material and B stored independently of each other
Composition；A expects by MN-500 polyether polyol, DL-400 polyether polyol, DL-1000D polyether polyol, diisopropyl naphthalene, ammonia
Triacetic acid bismuth and ultraviolet absorber composition；B expects by 44V20L isocyanates, modified isocyanate, diisopropyl naphthalene and carbon black group
At.
Each group distribution ratio is as follows in A material：75 kilograms of MN-500 polyether polyol, 8 kilograms of DL-400 polyether polyol, DL-
1 kilogram of 15 kilograms of 1000D polyether polyol, 6 kilograms of diisopropyl naphthalene, 0.5 kilogram of nitrilotriacetic acid bismuth and ultraviolet absorber.
Each group distribution ratio is as follows in B material：60 kilograms of 44V20L isocyanates, 26 kilograms of modified isocyanate, diisopropyl
0.05 kilogram of 5 kilograms of naphthalene and carbon black.
Modified isocyanate is biuret modified isocyanates, and preparation method is as follows：By lysine diisocyanate and
Triethylamine is 1 according to the ratio between amount of substance:1 mixing, is heated to 150 DEG C, reacts 4 hours, is cooled to room temperature up to modified bad ammonia
Sour diisocynate biuret.
A material each components are put into according to formula in stirred tank, 800r/min or more stirs 20-30min, is dispensed after taking the dish out of the pot；
B material each components are put into according to formula in stirred tank, 800r/min stirs evenly dispersed to carbon black, is dispensed after taking the dish out of the pot.In target
Broken formation reaming construction finishes, and A material and B are expected that according to volume ratio be 1:1 is input at nozzle and is mixed, and is then sprayed at
Broken formation Sidewall Surrounding Rock face, can form the induration of 3-6cm thickness with borehole wall surface broken rock, and induration uniaxial compressive is strong
Degree is up to 57MPa；The casting matrix to be formed, which carries out tensile property survey, is expected to A material and B in the present embodiment according to GB/T2567-2008
Examination, tensile strength 0.7MPa, elongation at break 53%.
Gib is equipped
As shown in Figure 1, the gib equipment in the anti-well drilling machine reaming construction broken formation gib technique of the present invention
Including high-pressure mortar spraying equipment, shunting halter 2, determine torque tightening mechanism 3, gib material convey drilling rod 4, lower gauge mechanism and
Gib nozzle 6, the outlet end of the high-pressure mortar spraying equipment are connect with the liquid feeding end fluid communication of the shunting halter 2, institute
The outlet end for stating shunting halter 2 is connect with the liquid feeding end fluid communication of gib material conveying drilling rod 4, the interim branch
The outlet end of protective material conveying drilling rod 4 is connect with the liquid feeding end fluid communication of the gib nozzle 6；The shunting halter 2
Determine torque tightening mechanism 3 with described and be fixedly connected and be fixedly connected with gib material conveying drilling rod 4 upper end, institute in lower end
Gib material conveying 4 lower end of drilling rod is stated to be fixedly connected with 6 upper end of gib nozzle, it is described to determine torque tightening mechanism
3 are fixedly connected with the floating bushing 7 of anti-1 power head of well drilling machine；The lower gauge mechanism is mounted on 1 lower plugboard track 8 of anti-well drilling machine
On, the length of the gib material conveying drilling rod 4 is less than the length of anti-well borer drill rod 9.In the present embodiment, the lower card
Trigger structure includes lower snap-gauge and lower base of fixed plate 5, and the lower base of fixed plate 5 is fixedly mounted on 1 lower plugboard track 8 of anti-well drilling machine, institute
Lower snap-gauge is stated on the lower base of fixed plate 5.
Lower snap-gauge includes left half time snap-gauge and right half time snap-gauge, and left half time snap-gauge includes under half upper location-plate 12 of a left side and left half
Positioning plate 13,12 right side wall of left half upper location-plate are equipped with left semicircle slot 14 and the first rectangular recess 15, left half time positioning plate 13
Right side wall is equipped with the second rectangular recess 16, and left semicircle slot 14 is located at 15 top of the first rectangular recess, 15 He of the first rectangular recess
The size and shape of second rectangular recess 16 is identical and upper and lower face；Right half time snap-gauge includes under half upper location-plate 17 of the right side and right half
Positioning plate 18,17 left side wall of right half upper location-plate are equipped with right semi-circle slot 19 and third rectangular recess 20, right half time positioning plate 18
Left side wall is equipped with the 4th rectangular recess 21, and right semi-circle slot 19 is located at 20 top of third rectangular recess, 20 He of third rectangular recess
The size and shape of 4th rectangular recess 21 is identical and upper and lower face；First rectangular recess 15 and third rectangular recess 20 it is big
It is small identical with shape；Left half upper location-plate, 12 lower face is fixedly connected with left half time 13 upper face of positioning plate and left half upper location-plate
The side of 12 right side walls and the side of the right side half upper location-plate, 17 left side wall are hinged, and right half upper location-plate, 17 lower face is determined with right half time
Position 18 upper face of plate is fixedly connected；Left semicircle slot 14 and right semi-circle slot 19 surround upper Positioning holes, the first rectangular recess 15 and third
Rectangular recess 20 surrounds middle location hole, and the second rectangular recess 16 and the 4th rectangular recess 21 surround lower Positioning holes, upper Positioning holes, in
Location hole and lower Positioning holes are coaxial, upper Positioning holes aperture D1, middle location hole aperture D2With lower Positioning holes aperture D3Between relationship be
D1> D2=D3；When locking in card slot 5-1, left half time positioning plate 13 and right half time positioning plate 18 are respectively set for lower snap-gauge setting
In locking through-hole 5-2 on locking card slot 5-1 slot bottoms.
Wherein, as shown in Figures 2 and 3, the shunting halter 2 includes current divider 2-1 and shunting conveying lever 2-2, described point
Stream device 2-1 is fixedly connected with the upper ends the shunting conveying lever 2-2, and limit is provided on the shunting conveying lever 2-2 lower end outer walls
Slot 2-3；The limiting slot 2-3 extend along the length direction of the shunting conveying lever 2-2 scrolled up and down for the steel ball 3-4 it is floating
Dynamic axial trajectory；As shown in Figure 4 and Figure 5, it is described determine torque tightening mechanism 3 include bearing seat 3-1, steel ball 3-4, jacking spring
3-3 and jacking bolt 3-2, the bearing seat 3-1 upper faces are provided with installing blind 3-5, the installing blind 3-5 bottom holes setting
There are the installation through-hole 3-6 through the installing blind 3-5 bottom holes and the bearing seat 3-1 lower faces, the bearing seat 3-1 side walls
Installation through-hole 3-6 circumferential direction spaced sets described in the upper edge of lower end have more than or equal to 2 limit pore structures, the limit pore structure
Including bolt mounting holes, spring mounting hole and steel-ball limiting hole, the bolt mounting holes, the spring mounting hole and the steel ball
Limit hole is coaxial and the central shaft of the bolt mounting holes intersects with the central axis of the installation through-hole 3-6, the steel ball
The aperture of opening of the limit hole at the installation through-hole 3-6 is less than the sphere diameter of the steel ball 3-4, the steel ball 3-4, described
The jacking spring 3-3 and jacking bolt 3-2 is successively set on the steel ball from the inside to the outside along the radial direction of the installation through-hole 3-6
In limit hole, the spring mounting hole and the bolt mounting holes；The lower ends the shunting conveying lever 2-2 sequentially pass through the installation
The blind hole 3-5 and installation through-hole 3-6 is simultaneously connect with the gib material conveying drilling rod 4 below the bearing seat 3-1, in institute
Under the thrust for stating jacking bolt 3-2 and the jacking spring 3-3, one end of the steel ball 3-4 passes through the steel-ball limiting
Hole is held out against in the limiting slot 2-3, and the other end of the steel ball 3-4 is located in the steel-ball limiting hole；The bearing seat
3-1 is threadedly coupled with the floating bushing 7.
As shown in Figure 6 and Figure 7, the gib material conveying drilling rod 4 is the multilayer at least provided with two layers of transfer passage
Supporting drilling rod；Gib material described in the upper and lower end outer wall upper edge of upper end outer wall of the gib material conveying drilling rod 4
4 circumferential spaced set of conveying drilling rod has limit buckling groove 4-1.Face for the ease of the vertical shaft borehole wall to different depth
When supporting, while for the ease of gib material convey drilling rod 4 installation and dismounting, adjacent two gib materials
It is threadedly coupled between material conveying drilling rod 4.
As shown in Figure 8 and Figure 9, the gib nozzle 6 includes liquid input section 6-1 and hydrojet section 6-2, the liquid input section 6-
1 upper end outer wall is equipped with card slot；It is led with the upper ends the liquid input section 6-1 fluid gib material conveying 4 lower end of drilling rod
Lead to and connect, the lower ends the liquid input section 6-1 are connect with the upper ends hydrojet section 6-2 fluid communication；The lower ends the liquid input section 6-1 and institute
The upper ends hydrojet section 6-2 are stated to be hinged and connect by flexural spring 6-3, under the action of the flexural spring 6-3, the hydrojet section
The axial angles between the liquid input section 6-1 axial directions of 6-2 are 90 °, and the hydrojet section 6-2 described in this way is in the gib nozzle
After 6 times centre bores for releasing anti-well borer drill rod 9 can under the effect of the elastic force of the flexural spring 6-3 with the liquid input section 6-
1 is vertical, by the liquid outlet of the hydrojet section 6-2 close to the supporting borehole wall is waited for, is conducive to the liquid outlet of hydrojet section 6-2 close to branch guide-well
Wall, it is ensured that support material can with optimum state cut broken formation, and it is upper carry the gib nozzle 6 when, carrying
Under lift effect, the flexural spring 6-3 is described interim along the central tube that centre pilot is compressed into anti-1 drilling rod of well drilling machine
Supporting nozzle 6 is up carried in nearly straight to ground.
Installation method is equipped in gib
Before the vertical shaft to having tunneled carries out gib, the various pieces that need to equip gib are installed
In place, specifically comprise the following steps：
(a) anti-well drilling machine 1 is shut down and detaches anti-1 power head of well drilling machine with anti-well borer drill rod 9, concrete operations are such as
Under：
(a-1) by lower plugboard track 8 be mounted on anti-1 pedestal of well drilling machine on, and by lower plugboard pedestal 10 be mounted on it is described under
On plate track 8, as shown in figure 15；
(a-2) upper end of anti-well borer drill rod 9 is promoted to the top of lower plugboard pedestal 10 with anti-1 power head of well drilling machine,
The inner bulge 11-1 of lower plugboard 11 is arranged in the limiting groove on anti-9 outer wall of well borer drill rod and makes 11 upper plate of lower plugboard
Limit protrusion 11-2 in the upper and lower plate face in face is adjacent to anti-9 outer wall of well borer drill rod, then will be anti-with anti-1 power head of well drilling machine
The decentralization of well borer drill rod 9 is until the outside of lower plugboard 11 is placed into the limit card slot on 10 upper face of lower plugboard pedestal, simultaneously
Limit protrusion 11-2 on 11 lower face of lower plugboard is located in the through-hole on limit card slot slot bottom；
(a-3) anti-1 power head of well drilling machine reversely rotates, and anti-1 power head of well drilling machine is detached with anti-well borer drill rod 9；
(b) lower gauge mechanism is fixedly mounted on 1 lower plugboard track 8 of anti-well drilling machine；Determine torque tightening mechanism 3
Lower end will be determined torque tightening mechanism 3 and is fixedly connected with the floating bushing 7 of anti-1 power head of well drilling machine, and anti-well drilling machine 1 is then utilized
Lifting cylinder is promoted to the installation height of shunting halter 2 by anti-1 power head of well drilling machine for determining torque tightening mechanism 3 is installed
Degree, concrete operations are as follows：
(b-1) gauge mechanism includes lower base of fixed plate 5 and the lower snap-gauge on lower base of fixed plate 5 under, as shown in Figure 10~14,
Lower base of fixed plate 5 is mounted on lower plugboard track 8；
(b-2) will determine torque tightening mechanism 3 be placed on lower base of fixed plate 5 and will determine torque tightening mechanism 3 and lower base of fixed plate 5
It is detachably fixed connection；
(b-3) anti-1 power head of well drilling machine rotates in the forward direction, and by the floating bushing 7 of anti-1 power head of well drilling machine and determines torque tightening machine
Structure 3 is fixedly connected, and then will be determined torque tightening mechanism 3 and is detached with lower base of fixed plate 5, the carrying in it will determine torque tightening mechanism 3
Before seat 3-1 is threadedly coupled with the floating bushing 7 of anti-1 power head of well drilling machine, the compressing force of the jacking spring 3-3 is first adjusted, really
The pretightning force that the gib material conveys 4 joint screw thread of drilling rod can be reached by the torque for pushing back power generation by protecting 4 steel ball 3-4
Square；
(c) 2 lower end of shunting halter is sequentially passed through into anti-1 centre bore of well drilling machine and determines torque tightening mechanism 3 and extend into determine
The lower section of torque tightening mechanism 3, at this point, the steel ball 3-4 is sticked into the limiting slot 2-3；
(d) gib nozzle 6 is placed into anti-9 centre bore of well borer drill rod, and by the upper of gib nozzle 6
End with gauge mechanism be clamped, then by gib material convey drilling rod 4 top and bottom respectively with shunting halter 2 and temporarily
Supporting nozzle 6 connects, and concrete operations are as follows：
(d-1) lower end of gib nozzle 6 is placed into anti-9 centre bore of well borer drill rod, and gib is sprayed
First 6 upper end is clamped with lower snap-gauge, then lower snap-gauge is placed in the locking card slot 5-1 on lower base of fixed plate 5, such as Figure 15 institutes
Show；
(d-2) installation steps of first gib material conveying drilling rod 4 are as follows：Will shunting 2 lower end of halter with
Gib material conveys the connection of 4 threaded upper ends of drilling rod and fluid communication, and gib material is conveyed 4 lower end of drilling rod and faced
When 6 threaded upper ends connection of supporting nozzle and fluid communication；Anti- 1 power head of well drilling machine rotates in the forward direction, by first interim branch
Protective material conveys 4 upper end of drilling rod and shunting halter 2 and first gib material conveying 4 lower end of drilling rod and interim branch
Shield nozzle 6 is tightened；Gib material is conveyed into drilling rod 4 using the lifting cylinder of anti-well drilling machine 1 and gib nozzle 6 is upward
It is promoted, until lower snap-gauge is deviate from out of locking card slot 5-1, then lower snap-gauge is detached with 6 upper end of gib nozzle, recycled
The lifting cylinder of anti-well drilling machine 1 is by first gib material conveying drilling rod 4 and gib nozzle 6 along anti-well drilling machine
9 centre bore of drilling rod is transferred, until first 4 lower end of the gib material conveying drilling rod is located at 5 lower section of lower base of fixed plate and faces
When support material conveying drilling rod 4 upper end be located at 5 top of lower base of fixed plate and close to lower base of fixed plate 5, then by lower snap-gauge with prop up temporarily
Protective material conveys the upper end clamping of drilling rod 4, recycles the lifting cylinder of anti-well drilling machine 1 that lower snap-gauge is placed on locking card slot 5-1
It is interior；Anti- 1 power head of well drilling machine reversely rotates, and first gib material conveying 4 upper end of drilling rod is divided with shunting halter 2
From anti-1 power head of well drilling machine rises, and next gib material conveying drilling rod 4 is then installed, until gib material is defeated
Until sending the total length of drilling rod 4 to meet vertical shaft gib whitewashing needs；2 lower end of halter and gib material will shunted
When material conveying 4 threaded upper ends of drilling rod connection, the shunting halter 2 is driven to rotate so that institute using the rotation of anti-1 power head of well drilling machine
It states shunting halter 2 to tighten and connect with the gib material conveying drilling rod 4 positioned at the top, when gib material conveying brill
When 4 screw-down torque of bar is more than the setting value for determining torque tightening mechanism 3, steel ball 3-4 is pushed up back, and steel ball 3-4 is along the shunting
The circumferential of 2 lower end outer wall of halter rolls, to realize the protection for conveying drilling rod 4 to gib material.
Wherein, lower snap-gauge includes left half time snap-gauge and right half time snap-gauge, and as shown in Figure 11~14, left half time snap-gauge includes a left side
Half upper location-plate 12 and left half time positioning plate 13,12 right side wall of left half upper location-plate is equipped with left semicircle slot 14 and the first rectangle is recessed
Slot 15, left half time 13 right side wall of positioning plate are equipped with the second rectangular recess 16, and left semicircle slot 14 is located on the first rectangular recess 15
Side；Right half time snap-gauge includes half upper location-plate 17 of the right side and right half time positioning plate 18, and 17 left side wall of right half upper location-plate is equipped with the right side
Half slot 19 and third rectangular recess 20, right half time 18 left side wall of positioning plate are equipped with the 4th rectangular recess 21, right semi-circle slot 19
On third rectangular recess 20；Left half upper location-plate, 12 lower face is fixedly connected with left half time 13 upper face of positioning plate and a left side half
The side of 12 right side wall of upper location-plate and the side of 17 left side wall of right half upper location-plate are hinged, right half upper location-plate, 17 lower face with
Right half time 18 upper face of positioning plate is fixedly connected；Left semicircle slot 14 and right semi-circle slot 19 surround upper Positioning holes, the first rectangular recess
15 and third rectangular recess 20 surround middle location hole, the second rectangular recess 16 and the 4th rectangular recess 21 surround lower Positioning holes, on
Location hole, middle location hole and lower Positioning holes are coaxial, upper Positioning holes aperture D1, middle location hole aperture D2With lower Positioning holes aperture D3It
Between relationship be D1> D2=D3；Lower snap-gauge setting is when locking in card slot 5-1, left half time positioning plate 13 and right half time positioning plate
18 are separately positioned in the locking through-hole on locking card slot 5-1 slot bottoms；
(e) outlet end of high-pressure mortar spraying equipment is connect with the liquid feeding end fluid communication of shunting halter 2；The shunting halter
2 outlet end conveys the liquid feeding end fluid communication of drilling rod 4 and the gib nozzle 6 by gib material；Interim branch
Protective material conveys length of the length less than anti-well borer drill rod 9 of drilling rod 4.
Gib operation
(a) pit shaft is tunneled with the segmentation reaming of anti-well drilling machine；
(b) stop continuing reaming driving after often one section of shaft excavation of completion, be equipped gib using gib
On the pit shaft borehole wall that sprays materials have excavated in step (a), gib is carried out；
(c) after completing the pit shaft borehole wall gib excavated in step (2), continue the reaming pick of next section of pit shaft
Into, then repeat step (b), until shaft excavation complete.
Specific gib operation is as follows：After completing gib equipment various pieces installation, gib is selected
Gib material in material part embodiment 1, debugs high-pressure mortar spraying equipment, it is ensured that each equipment is working properly.?
After personnel are far from anti-well drilling machine 1, whole high-pressure mortar spraying equipment are opened, slurries are sprayed onto between anti-well drilling machine 1 and Shaft bank
On test board, confirm that gib material meets design requirement.It then will be described interim using the power head decentralization of anti-well drilling machine 1
Supporting nozzle 6 is transferred to setting position.It opens high-pressure mortar spraying equipment and the A material of gib material and B material is pumped to described face
When supporting nozzle 6 at mix, mixed slurries are from high-pressure injection in the nozzle of the gib nozzle 6 to vertical shaft well
On wall.Start anti-1 power head of well drilling machine, is promoted in rotation, the gib nozzle 6 is in uphill process by gib
Material is sprayed onto on the borehole wall.It is propped up temporarily when on the vertical shaft borehole wall for completing gib material conveying 4 length of drilling rod
After protective material spraying, high-pressure mortar spraying equipment is shut down, then will be unloaded positioned at the gib material of the top conveying drilling rod 4
Fall, when the gib material conveys drilling rod 4, inverts the power head of anti-well drilling machine 1,2 lower end outer wall of shunting halter
On limiting slot 2-3 streak steel ball 3-4 and jacked up.After laying down a gib material conveying drilling rod 4, shunting cage is tightened
First 2 and the lower section gib material convey drilling rod 4, rotation supporting is continued to lift up, in cycles until the gib
Material conveying drilling rod 4 reaches the top for waiting for supporting vertical shaft.Then gib material conveying drilling rod 4 and described is cleaned
Gib nozzle 6 prevents gib material conveying drilling rod 4 and the gib nozzle 6 described in slurry plugs.Finally carry
Go out the gib material conveying drilling rod 4 and the gib nozzle 6, it is broken to lay down the anti-well drilling machine reaming construction of the present invention
After stratum gib equipment, continue anti-well reaming construction.
As shown in fig. 7, in the present embodiment, there are two circular passage and one for gib material conveying drilling rod 4 tool
Axial mesoporous, outer annular channel are used for conveying A material, and internal layer circular passage is used for conveying B material, and axial mesoporous can be used for conveying
Compressed air is in order to which A expects and the mixing of B material and is uniformly sprayed on the borehole wall that (according to site operation situation, can also leave unused axial direction
Mesoporous relies solely on fluid pressure and is sprayed on the borehole wall).Gib material conveying drilling rod 4 by the body of rod, top connection, under
Connector and sealing ring form, and are connected by top connection and lower contact head and the tail between the body of rod, sealing ring is located between two bodies of rod
Junction.Sealing ring under the operating condition of high pressure, can guarantee it is lasting in each layer channel move close property and quiet close property, top connection and
Lower contact is connected using circular thread, and material can be selected superior alloy steel, and by heat treatment process, easy to connect, multilayer it
Between mutually do not gang up and leak, sealing effect is good, and service life is long.With described when the gib material conveying drilling rod 4 is transferred
Lower base of fixed plate 5 is fixed, and slurries are connected above the shunting halter 2 of power head and convey tube inlet, the gib
Material conveying 4 length of drilling rod is shorter 10cm than anti-1 run of steel of well drilling machine, so that it is guaranteed that can be bored in power head and anti-well drilling machine 1
The handling of the gib material conveying drilling rod 4 are completed between bar.
The broken formation borehole wall after being constructed to anti-well drilling machine reaming using the present invention carries out gib, has following excellent
Point：(1) do not have to withdraw anti-well drilling machine 1, also do not have to that new drilling machine is installed, (2) directly provide injection branch using anti-1 power head of well drilling machine
The rotation of shield and promotion power, (3) determine torque tightening mechanism 3 and determine torque using steel ball, it is sensitive to determine torque, it is ensured that the interim branch
Protective material conveying drilling rod 4 will not be twisted into two parts by anti-well drilling machine high-torque；(4) the steel ball 3-4 in torque tightening mechanism 3 is determined in shunting cage
First 2 axial trajectory scrolls up and down floating, it is ensured that dismantles the gib material when gib material conveying drilling rod 4
Conveying 4 joint screw thread of drilling rod will not be crushed；(4) equipment operation is simple, and mechanism is small and exquisite, and flexibility is strong；(5) expand in anti-well drilling machine
It during hole is constructed, waits for that target broken formation reaming finishes, stops reaming drilling；A material and B material are led to by different fluids
Road is input at the nozzle in the pit shaft of broken formation and is mixed, and is then sprayed at broken formation Sidewall Surrounding Rock face, A material
Expect rapid reaction with B and cure, and then forms prop and improve Sidewall Surrounding Rock condition, play sealing and close the work of country rock
With；Extend the duration to avoid reinforcing using pre grouting from the surface.
Claims (10)
- The broken formation gib technique 1. anti-well drilling machine reaming is constructed, which is characterized in that include the following steps：(a) pit shaft is tunneled with the segmentation reaming of anti-well drilling machine；(b) stop continuing reaming driving after often one section of shaft excavation of completion, be equipped gib material using gib On the pit shaft borehole wall excavated in sprinkling in step (a), gib is carried out；(c) after completing the pit shaft borehole wall gib excavated in step (2), continue the reaming driving of next section of pit shaft, Then step (b) is repeated, until shaft excavation is completed.
- The broken formation gib technique 2. anti-well drilling machine reaming according to claim 1 is constructed, which is characterized in that interim Support equipment includes high-pressure mortar spraying equipment, shunting halter (2), determines torque tightening mechanism (3), gib material conveying drilling rod (4), lower gauge mechanism and gib nozzle (6), the outlet end of the high-pressure mortar spraying equipment with it is described shunting halter (2) into The fluid communication connection of liquid end, the liquid feeding end of the outlet end and gib material conveying drilling rod (4) of the shunting halter (2) Fluid communication connects, the liquid feeding end of the outlet end and the gib nozzle (6) of the gib material conveying drilling rod (4) Fluid communication connects；The shunting halter (2) lower end with it is described determine torque tightening mechanism (3) be fixedly connected and with the interim branch Protective material conveying drilling rod (4) upper end is fixedly connected, and gib material conveying drilling rod (4) lower end is sprayed with the gib Head (6) upper end is fixedly connected, described to determine floating bushing (7) fixed company of the torque tightening mechanism (3) with anti-well drilling machine (1) power head It connects；The lower gauge mechanism is mounted on anti-well drilling machine (1) lower plugboard track (8), the gib material conveying drilling rod (4) Length be less than anti-well borer drill rod (9) length；The shunting halter (2) includes current divider (2-1) and shunting conveying lever (2- 2), the current divider (2-1) is fixedly connected with shunting conveying lever (2-2) upper end, outside shunting conveying lever (2-2) lower end Limiting slot (2-3) is provided on wall；It is described that determine torque tightening mechanism (3) include bearing seat (3-1), steel ball (3-4), jacking spring (3-3) and jacking bolt (3-2), bearing seat (3-1) upper face are provided with installing blind (3-5), the installing blind (3- 5) bottom hole is provided through the installation through-hole (3-6) of the installing blind (3-5) bottom hole and the bearing seat (3-1) lower face, There is installation through-hole (3-6) circumferential direction spaced set described in bearing seat (3-1) the side wall lower ends upper edge limits more than or equal to 2 Pore structure, the limit pore structure include bolt mounting holes, spring mounting hole and steel-ball limiting hole, the bolt mounting holes, institute It states spring mounting hole and the steel-ball limiting hole is coaxial and the central shaft and the installation through-hole (3-6) of the bolt mounting holes Central axis intersects, and the aperture of opening of the steel-ball limiting hole at the installation through-hole (3-6) is less than the steel ball The sphere diameter of (3-4), the steel ball (3-4), the jacking spring (3-3) and the jacking bolt (3-2) are along the installation through-hole The radial direction of (3-6) is successively set on from the inside to the outside in the steel-ball limiting hole, the spring mounting hole and the bolt mounting holes； Shunting conveying lever (2-2) lower end sequentially passes through the installing blind (3-5) and the installation through-hole (3-6) and is held with described It carries the gib material conveying drilling rod (4) below seat (3-1) to connect, in the jacking bolt (3-2) and the jacking spring Under the thrust of (3-3), one end of the steel ball (3-4) is held out against across the steel-ball limiting hole at the limiting slot (2-3) Interior, the other end of the steel ball (3-4) is located in the steel-ball limiting hole；The bearing seat (3-1) and the floating bushing (7) It is threadedly coupled；The limiting slot (2-3) is extended along the length direction of the shunting conveying lever (2-2) for the steel ball (3-4) Scroll up and down the axial trajectory of floating；Gib material conveying drilling rod (4) is at least provided with the more of two layers transfer passage Layer supporting drilling rod；Gib described in the upper and lower end outer wall upper edge of upper end outer wall of the gib material conveying drilling rod (4) The circumferential spaced set of material conveying drilling rod (4) has limit buckling groove (4-1)；Two neighbouring gib materials It is threadedly coupled between conveying drilling rod (4)；The lower gauge mechanism includes lower snap-gauge and lower base of fixed plate (5), the lower base of fixed plate (5) It is fixedly mounted on anti-well drilling machine (1) lower plugboard track (8), the lower snap-gauge is mounted on the lower base of fixed plate (5)；Lower snap-gauge Including left half time snap-gauge and right half time snap-gauge, left half time snap-gauge includes left half upper location-plate (12) and left half time positioning plate (13), Left half upper location-plate (12) right side wall is equipped with left semicircle slot (14) and the first rectangular recess (15), and left half time positioning plate (13) is right Side wall is equipped with the second rectangular recess (16), and left semicircle slot (14) is located above the first rectangular recess (15), the first rectangular recess (15) identical with the size and shape of the second rectangular recess (16) and upper and lower face；Right half time snap-gauge includes half time positioning plate (18) of right half upper location-plate (17) and the right side, on half upper location-plate (17) left side wall of the right side Equipped with right semi-circle slot (19) and third rectangular recess (20), right half time positioning plate (18) left side wall is equipped with the 4th rectangular recess (21), right semi-circle slot (19) is located above third rectangular recess (20), third rectangular recess (20) and the 4th rectangular recess (21) Size and shape is identical and upper and lower face；The size and shape phase of first rectangular recess (15) and third rectangular recess (20) Together；Left half upper location-plate (12) lower face is fixedly connected with left half time positioning plate (13) upper face and left half upper location-plate (12) The side of right side wall and the side of right half upper location-plate (17) left side wall are hinged, under right half upper location-plate (17) lower face and right half Positioning plate (18) upper face is fixedly connected；Left semicircle slot (14) and right semi-circle slot (19) surround upper Positioning holes, the first rectangular recess (15) and third rectangular recess (20) surrounds middle location hole, and it is lower fixed that the second rectangular recess (16) and the 4th rectangular recess (21) surround Position hole, upper Positioning holes, middle location hole and lower Positioning holes are coaxial, upper Positioning holes aperture D1, middle location hole aperture D2With lower Positioning holes hole Diameter D3Between relationship be D1> D2=D3；Lower snap-gauge setting is when locking card slot (5-1) is interior, left half time positioning plate (13) and the right side Half time positioning plate (18) is separately positioned in the locking through-hole (5-2) on locking card slot (5-1) slot bottom；The gib nozzle (6) include liquid input section (6-1) and hydrojet section (6-2), the upper end outer wall of the liquid input section (6-1) is equipped with card slot (6-4)；It is described Gib material conveying drilling rod (4) lower end is connect with the upper end the liquid input section (6-1) fluid communication, the liquid input section (6-1) Lower end is connect with hydrojet section (6-2) upper end fluid communication；On the liquid input section lower end (6-1) and the hydrojet section (6-2) End is hinged and is connected by flexural spring (6-3), and under the action of the flexural spring (6-3), the hydrojet section (6-2) is axial Angle between the liquid input section (6-1) axial direction is more than 0 ° and is less than 180 °.
- The broken formation gib technique 3. anti-well drilling machine reaming according to claim 2 is constructed, which is characterized in that interim Support equipment installation steps are as follows：(a) anti-well drilling machine (1) is shut down and detaches anti-well drilling machine (1) power head with anti-well borer drill rod (9)；(b) lower gauge mechanism is fixedly mounted on anti-well drilling machine (1) lower plugboard track (8)；Determine torque tightening mechanism (3) Lower end, torque tightening mechanism (3) will be determined and be fixedly connected with the floating bushing (7) of anti-well drilling machine (1) power head, then utilize anti-well The lifting cylinder of drilling machine (1) will install anti-well drilling machine (1) power head for determining torque tightening mechanism (3) and be promoted to shunting cage The mounting height of head (2)；(c) shunting halter (2) lower end is sequentially passed through anti-well drilling machine (1) centre bore and determines torque tightening mechanism (3) and extend into Determine the lower section of torque tightening mechanism (3)；(d) gib nozzle (6) is placed into anti-well drilling machine (1) drilling rod centre bore, and by gib nozzle (6) Upper end and gauge mechanism are clamped, then by the top and bottom of gib material conveying drilling rod (4) respectively with shunting halter (2) It is connected with gib nozzle (6)；(e) outlet end of high-pressure mortar spraying equipment is connect with the liquid feeding end fluid communication of shunting halter (2)；The shunting halter (2) outlet end conveys the liquid feeding end fluid communication of drilling rod (4) and the gib nozzle (6) by gib material； Gib material conveys length of the length less than anti-well borer drill rod (9) of drilling rod (4).
- The broken formation gib technique 4. anti-well drilling machine reaming according to claim 3 is constructed, which is characterized in that in step Suddenly in (a), anti-well drilling machine (1) power head is detached with anti-well borer drill rod (9) and is included the following steps：(a-1) lower plugboard track (8) is mounted on anti-well drilling machine (1) pedestal, and by lower plugboard pedestal (10) mounted on described On lower plugboard track (8)；(a-2) upper end of anti-well borer drill rod (9) is promoted to the upper of lower plugboard pedestal (10) with anti-well drilling machine (1) power head Side, by inner bulge (11-1) setting of lower plugboard (11) in the limiting groove on anti-well borer drill rod (9) outer wall and under making Limit protrusion (11-2) in the upper and lower plate face of plate (11) upper face is adjacent to anti-well borer drill rod (9) outer wall, is then used anti- The decentralization of anti-well borer drill rod (9) is placed into lower plugboard pedestal (10) by well drilling machine (1) power head on the outside of lower plugboard (11) In limit card slot on upper face, while the limit protrusion (11-2) on lower plugboard (11) lower face is located in limit card slot slot bottom On through-hole in；(a-3) anti-well drilling machine (1) power head reversely rotates, and anti-well drilling machine (1) power head is detached with anti-well borer drill rod (9).
- The broken formation gib technique 5. anti-well drilling machine reaming according to claim 4 is constructed, which is characterized in that in step Suddenly in (b), torque tightening mechanism (3) will be determined and be fixedly connected with the floating bushing (7) of anti-well drilling machine (1) power head, specifically include as Lower step：(b-1) gauge mechanism includes lower base of fixed plate (5) and the lower snap-gauge on lower base of fixed plate (5) under, and lower base of fixed plate (5) are pacified On lower plugboard track (8)；(b-2) will determine torque tightening mechanism (3) be placed on lower base of fixed plate (5) and will determine torque tightening mechanism (3) and lower snap-gauge Seat (5) is detachably fixed connection；(b-3) anti-well drilling machine (1) power head rotates in the forward direction, by the floating bushing (7) of anti-well drilling machine (1) power head with determine torque and tighten Mechanism (3) is fixedly connected, then will determine torque tightening mechanism (3) detached with lower base of fixed plate (5).
- The broken formation gib technique 6. anti-well drilling machine reaming according to claim 5 is constructed, which is characterized in that in step Suddenly in (d), the installation operation of gib nozzle (6) and gib material conveying drilling rod (4) specifically comprises the following steps：(d-1) lower end of gib nozzle (6) is placed into anti-well borer drill rod (9) centre bore, and gib is sprayed The upper end of head (6) is clamped with lower snap-gauge, and then lower snap-gauge is placed on the locking card slot (5-1) on lower base of fixed plate (5) Nei；(d-2) installation steps of first gib material conveying drilling rod (4) are as follows：Will shunting halter (2) lower end with Gib material conveys the connection of drilling rod (4) threaded upper ends and fluid communication, and gib material is conveyed drilling rod (4) lower end It is connect with gib nozzle (6) threaded upper ends and fluid communication；Anti- well drilling machine (1) power head rotates in the forward direction, by first institute State gib material conveying drilling rod (4) upper end and shunting halter (2) and first gib material conveying drilling rod (4) lower end is tightened with gib nozzle (6)；Gib material conveying drilling rod (4) and gib nozzle (6) are carried upwards using the lifting cylinder of anti-well drilling machine (1) It rises, until the abjection out of locking card slot (5-1) of lower snap-gauge, then detaches lower snap-gauge with gib nozzle (6) upper end, then profit First gib material is conveyed into drilling rod (4) and gib nozzle (6) edge with the lifting cylinder of anti-well drilling machine (1) Anti- well borer drill rod (9) centre bore decentralization, until first gib material conveying drilling rod (4) lower end is located at lower snap-gauge Below seat (5) and gib material conveying drilling rod (4) upper end is located above lower base of fixed plate (5) and close to lower base of fixed plate (5), so Afterwards by lower snap-gauge and gib material conveying drilling rod (4) upper end be clamped, recycle anti-well drilling machine (1) lifting cylinder will under Snap-gauge is placed in locking card slot (5-1)；Anti- well drilling machine (1) power head reversely rotates, by first gib material Conveying drilling rod (4) upper end is detached with shunting halter (2), and anti-well drilling machine (1) power head rises, and then installs next gib Material conveys drilling rod (4), until the total length of gib material conveying drilling rod (4) meets vertical shaft gib whitewashing need Until wanting.
- The broken formation gib technique 7. anti-well drilling machine reaming according to claim 6 is constructed, which is characterized in that lower card Plate includes left half time snap-gauge and right half time snap-gauge, and left half time snap-gauge includes left half upper location-plate (12) and left half time positioning plate (13), left half upper location-plate (12) right side wall is equipped with left semicircle slot (14) and the first rectangular recess (15), left half time positioning plate (13) right side wall is equipped with the second rectangular recess (16), and left semicircle slot (14) is located above the first rectangular recess (15), the first square Connected in star (15) is identical with the size and shape of the second rectangular recess (16) and upper and lower face；Right half time snap-gauge includes half time positioning plate (18) of right half upper location-plate (17) and the right side, on half upper location-plate (17) left side wall of the right side Equipped with right semi-circle slot (19) and third rectangular recess (20), right half time positioning plate (18) left side wall is equipped with the 4th rectangular recess (21), right semi-circle slot (19) is located above third rectangular recess (20), third rectangular recess (20) and the 4th rectangular recess (21) Size and shape is identical and upper and lower face；The size and shape phase of first rectangular recess (15) and third rectangular recess (20) Together；Left half upper location-plate (12) lower face is fixedly connected with left half time positioning plate (13) upper face and left half upper location-plate (12) The side of right side wall and the side of right half upper location-plate (17) left side wall are hinged, under right half upper location-plate (17) lower face and right half Positioning plate (18) upper face is fixedly connected；Left semicircle slot (14) and right semi-circle slot (19) surround upper Positioning holes, the first rectangular recess (15) and third rectangular recess (20) surrounds middle location hole, and it is lower fixed that the second rectangular recess (16) and the 4th rectangular recess (21) surround Position hole, upper Positioning holes, middle location hole and lower Positioning holes are coaxial, upper Positioning holes aperture D1, middle location hole aperture D2With lower Positioning holes hole Diameter D3Between relationship be D1> D2=D3；Lower snap-gauge setting is when locking card slot (5-1) is interior, left half time positioning plate (13) and the right side Half time positioning plate (18) is separately positioned in the locking through-hole (5-2) on locking card slot (5-1) slot bottom.
- The broken formation gib technique 8. anti-well drilling machine reaming according to claim 1 is constructed, which is characterized in that interim Support material is made of the A material and B material stored independently of each other；A material by MN-500 polyether polyol, DL-400 polyether polyol, DL-1000D polyether polyol, diisopropyl naphthalene, catalyst and ultraviolet absorber composition；B expects by 44V20L isocyanates, modification Isocyanates, diisopropyl naphthalene and carbon black composition；Each group distribution ratio is as follows in A material：MN-500 polyether polyol 75-85 parts by weight, DL-400 polyether polyol 8-13 weight Part, DL-1000D polyether polyol 5-15 parts by weight, diisopropyl naphthalene 2-6 parts by weight, catalyst 0.1-0.5 parts by weight and ultraviolet Absorbent 0.5-1.5 parts by weight；Each group distribution ratio is as follows in B material：44V20L isocyanates 60-75 parts by weight, modified isocyanate 26-33 parts by weight, two Isopropyl naphthalene 3-8 parts by weight and carbon black 0.01-0.05 parts by weight.
- The broken formation gib technique 9. anti-well drilling machine reaming according to claim 8 is constructed, which is characterized in that modified Isocyanates is one or both of urethane modified isocyanate and biuret modified isocyanates, urethane modified isocyanate For urethane modified diphenylmethane diisocyanate, preparation method is as follows：By methyl diphenylene diisocyanate, butene dioic acid It is added in ethyl alcohol for 1-1.5g/mL according to solid-to-liquid ratio with pentaerythrite, sulfuric acid solution is added under stirring conditions to mixing A concentration of 0.5-1mol/L of sulfuric acid in object, is heated to 70-75 DEG C, reacts 2-5 hour, reaction end be cooled to room temperature to get Urethane modified diphenylmethane diisocyanate；The substance of methyl diphenylene diisocyanate, butene dioic acid and pentaerythrite The ratio between amount is 10:0.5-1:0.5-1；The preparation method of biuret modified isocyanates is as follows：By lysine diisocyanate and Triethylamine is 1 according to the ratio between amount of substance:1-1.5 is mixed, and is heated to 100-150 DEG C, is reacted 4-8 hours, is cooled to room temperature i.e. Lysine diisocyanate biuret must be modified；Catalyst is made of major catalyst and cocatalyst, major catalyst and auxiliary catalysis The mass ratio of agent is 1~5：0.1~0.6, major catalyst be one or both of isooctyl acid bismuth and nitrilotriacetic acid bismuth, it is auxiliary to urge Agent is one or both of isocaprylic acid lanthanum and manganese iso-octoate.
- The broken formation gib technique 10. anti-well drilling machine reaming according to claim 9 is constructed, which is characterized in that by A Expect that each component is put into according to formula in stirred tank, 800r/min or more stirs 20-30min, is dispensed after taking the dish out of the pot；B is expected into each component It is put into stirred tank according to formula, 800r/min stirs evenly dispersed to carbon black, is dispensed after taking the dish out of the pot；A expects and the ratio between the volume of B material It is 1:0.9-1.1.
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| CN112377209A (en) * | 2020-09-28 | 2021-02-19 | 中煤科工开采研究院有限公司 | Method and device for forming temporary support sprayed in roadway |
| CN117569744A (en) * | 2024-01-19 | 2024-02-20 | 湖南创远矿山机械有限责任公司 | Combined cutterhead and raise boring machine |
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| CN1150212A (en) * | 1995-11-02 | 1997-05-21 | 阎林森 | Reverse sinking construction method for mine vertical shaft |
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| CN108756889B (en) | 2019-08-30 |
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