CN208918473U - A kind of RJP technique and the general drill bit of MJS technique - Google Patents
A kind of RJP technique and the general drill bit of MJS technique Download PDFInfo
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- CN208918473U CN208918473U CN201821139358.2U CN201821139358U CN208918473U CN 208918473 U CN208918473 U CN 208918473U CN 201821139358 U CN201821139358 U CN 201821139358U CN 208918473 U CN208918473 U CN 208918473U
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- 238000000034 method Methods 0.000 title claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000005520 cutting process Methods 0.000 claims abstract description 73
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000011378 shotcrete Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 16
- 239000004568 cement Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000011440 grout Substances 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
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Abstract
The utility model discloses a kind of RJP techniques and the general drill bit of MJS technique.The drill bit includes that section is made in sequentially connected exhaust work section, upper cutting water active section, mud suck-back active section, linkage section, pressure sensitive active section, gunite work section and lower cutting water conservancy project, it is equipped with upper cutting water conveying duct, suck-back air delivery duct, lower cutting water conveying duct, monitoring data string holes road, whitewashing liquid conveying duct, suck-back water conveying duct, main gas conveying duct and suck-back mud in drill bit and conveys duct, each duct outlet is located on exhaust work section end face.The utility model is by simply replacing the sealing plate of falling mud suction mouth and controls the use of ground backstage suck-back gas air compressor machine and suck-back water pump, can be common in RJP technique and MJS technique, facilitate the production cost for reducing conventional MJS technique drill bit, drilling tool；The buying expenses for avoiding two sets of equipment utensils reduce the quantity of equipment utensil, transport, stack the influence that place increases etc., reduce cost, economy.
Description
Technical field
The utility model belongs to technical field of building construction, and in particular to a kind of structure is simple, for RJP technique and MJS
The general drill bit of technique.
Background technique
The basic principle of RJP technique (Rodin Tet Pile technique) is as other high pressure jet groutings, with superelevation
The kinetic energy of pressure injection fluid, breaks ring for the institutional framework of soil layer, is mixed by its ruinate grogs and slurries, after solidification just
Induration is formed in the earth formation.But the reinforcement mechanism of RJP technique is unusual, is mainly cut destruction soil layer twice, i.e.,
Upper section carries out cutting at one time using high pressure water, and lower section is aided with coaxial compressed air using high-pressure water mud and carries out secondary cutting,
And mix cement slurry with the soil body, to form the soil cement reinforcing body of major diameter in the short period.
MJS technique (Metro Tet Syetem technique) is also known as comprehensive high-pressure injection engineering method, in former high pressure jet grouting
On the basis of method, by pressure monitoring device in ground, force to inhale mud dress using unique more conveying duct drilling tools and chisel edge
It sets, realizes and force pressure monitoring in plasma discharge and ground in hole, and control pressure in ground, reduction earth's surface by adjusting plasma discharge amount is forced
A possibility that deformation, reduces influence of the construction to surrounding enviroment, further ensures expanded diameter.
Conventional RJP technique and MJS technique uses drill bit independent, drilling tool according to the operational characteristic respectively,
The shadow of the various aspects such as quantity, transport, the place stacking for increasing the purchase cost of equipment utensil, and increasing equipment utensil
It rings.
Utility model content
For the above problem present in existing equipment, technology, the purpose of this utility model is to provide a kind of structure letters
Singly, for RJP technique and the general bit drilling tool of MJS technique.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that including sequentially connected exhaust work
Section, upper cutting water active section, mud suck-back active section, linkage section, pressure sensitive active section, gunite work section and lower cutting water conservancy project
Make section, upper cutting water conveying duct, suck-back air delivery duct, the conveying of lower cutting water duct, monitoring data line are equipped in drill bit
Duct, whitewashing liquid conveying duct, suck-back water conveying duct, main gas conveying duct and suck-back mud convey duct, each duct outlet
On exhaust work section end face；
The exhaust work section is equipped with suck-back port and the first fabrication hole, suck-back port and suck-back air delivery duct phase
Logical, the first fabrication hole realizes that suck-back gas is re-routed to suck-back mud conveying duct from suck-back air delivery duct；
The upper cutting water active section is equipped with the upper cutting mouth of a river, and the upper cutting mouth of a river and upper cutting water convey hole link,
It realizes that high-pressure water constructs guide rail cutting, guarantees final expanded diameter；
The mud suck-back active section is equipped with mud suction mouth, suck-back (operating) water nozzle and the second fabrication hole, sets in mud suction mouth
There is the sealing plate of falling mud suction mouth, mud suction mouth is connect with suck-back mud conveying duct, and suck-back (operating) water nozzle is installed on suck-back mud conveying duct bottom
End；Suck-back (operating) water nozzle and suck-back water conveying duct communicate, and suck-back (operating) water nozzle is equipped on the outside of suck-back (operating) water nozzle and installs sealing plate, and second
Fabrication hole, which is able to achieve, is connected in suck-back water conveying duct with suck-back (operating) water nozzle, and the first fabrication hole, the second fabrication hole are equipped with bolt,
Fabrication hole is sealed；
The pressure sensitive active section be equipped with ground in pressure sensor, in pressure sensor liquid injection hole and ground internal pressure detection
Film；Pressure sensor connects console by data line in ground, and data line is mounted in monitoring data string holes road；
The gunite work section is equipped with nozzle and installation, service work storehouse, nozzle are fixed on spray by nozzle fixing bolt
On the nozzle mounting hole for starching active section；Installation, service work storehouse are used to nozzle and whitewashing liquid conveying duct, main gas conveying duct
Connection, and sealed by back shroud；
The lower cutting water conservancy project makees section and conveys hole link equipped with the lower cutting mouth of a river, the lower cutting mouth of a river and lower cutting water.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that nozzle is by mouth spray nozzle and main gas
Choma shape nozzle assembles, and is respectively equipped with screw thread on mouth spray nozzle and main port nozzle ring, first passes through the fixed spiral shell of nozzle
Mouth spray nozzle is mounted on nozzle mounting hole by bolt, then main port nozzle ring is covered outside mouth spray nozzle, installation, maintenance
Working bin realizes that whitewashing liquid conveying duct is individually connect with mouth spray nozzle, main gas conveying duct and main port nozzle ring connect
Perforation.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that linkage section is for adjusting mud suction mouth
The distance between mouth spray nozzle prevents from causing the mass efficient hardening slurry sprayed from mouth spray nozzle by suck-back apart from too small
It is discarded.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that mud suction mouth and mouth spray nozzle
Distance is 1000-1200 mm, preferably 1100mm.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that exhaust work section end face is equipped with spiral shell
Bolt mounting hole, drill bit are fixedly connected by bolt across bolt mounting holes with drilling rod；Lower cutting water conservancy project is made section end and is bored equipped with pilot hole
Has fixing bolt mouth, drilling tool passes through pilot hole drilling tool fixing bolt mouth by bolt and is fixed on drill bit.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that the sealing plate of falling mud suction mouth includes being used for
MJS technique with the aperture sealing plate of falling mud suction mouth or for the hermetically sealed sealing plate of falling mud suction mouth of RJP technique.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that pressure sensor liquid injection hole is two in ground
It is a, it is injected separately into lubricating fluid and anti-icing fluid, guarantees the normal work of pressure sensor in ground.
A kind of RJP technique and the general drill bit of MJS technique, it is characterised in that exhaust work section, upper cutting water conservancy project
Make section, mud suck-back active section, linkage section, pressure sensitive active section, gunite work section and lower cutting water conservancy project to make to set respectively in section
There are four storehouse is bolted, storehouse is bolted by four between each active section and is attached using connection bolt.
The MJS construction technology of a kind of RJP technique and the general drill bit of MJS technique, it is characterised in that including as follows
Step:
The sealing plate of falling mud suction mouth is selected the band aperture sealing plate of falling mud suction mouth for MJS technique and is installed, while passing through linkage section
Adjust the distance between mud suction mouth and mouth spray nozzle；High pressure water enters upper cutting water conveying duct and sprays through the upper cutting mouth of a river
High pressure water out, to need soil mass consolidation carry out cutting at one time, while cement grout enter whitewashing liquid conveying duct through mouth spray nozzle
High-pressure water slurry liquid is ejected, is aided with secondary through the coaxial compressed air progress of main port nozzle ring from main gas conveying duct
Cutting, mixes cement grout with the soil body, forms the soil cement reinforcing body of major diameter within a short period of time；It is detected using ground internal pressure
Pressure data in the ground of construction part is sent to control backstage by data line by pressure sensor in film and ground；According to monitoring
Compressed air is delivered to suck-back mud conveying duct by suck-back air delivery duct and suck-back port and is formed by pressure data in ground
Pressure difference, the part of cement in range that will whitewash, which is starched, to be conveyed in duct with the mixed liquor of the soil body by the sucking of falling mud suction mouth suck-back mud,
It is emitted into earth's surface waste pulp collecting box again, realizes and forces pressure control in plasma discharge and ground in hole；It is aided with the height of suck-back (operating) water nozzle injection
Pressure water is diluted the slurries of sucking suck-back mud conveying duct 8., is more advantageous to suck-back, the discharge of waste pulp；Realize routine MJS
The pile function of technique drilling tool.
The RJP construction technology of a kind of RJP technique and the general drill bit of MJS technique, it is characterised in that including as follows
Step:
It will be used for changing into the aperture sealing plate of falling mud suction mouth for MJS technique and be used for the hermetically sealed sealing plate of falling mud suction mouth of RJP technique,
Simultaneously close off suck-back air and suck-back water；Cutting at one time is carried out by the high pressure water of upper cutting mouth of a river injection, while utilizing whitewashing
The coaxial compressed air that the high-pressure water slurry liquid of mouth nozzle injection is aided with main port nozzle ring carries out secondary cutting, makes cement
Slurries are mixed with the soil body, form the soil cement reinforcing body of major diameter within a short period of time；Extra waste pulp, pass through in boundary of works area
Annular spaces between Φ 142mm drilling tool and the aperture 250mm ~ Φ 300mm Φ stratum are expelled to earth's surface from overflowing, realize routine RJP
The pile function of technique drilling tool；Meanwhile using pressure sensor in the ground internal pressure detection film and ground, will be constructed by data line
Pressure data is sent to control backstage in the ground at position, realizes conventional function of the RJP technique drilling tool without pressure monitoring in ground.
By using above-mentioned bit drilling tool, with existing RJP technique compared with the bit drilling tool of MJS technique, the utility model
Have the beneficial effect that:
1) the drill bit has wide exploitation prospect, after simply replacing the sealing plate of falling mud suction mouth and control ground
The use of platform suck-back gas air compressor machine and suck-back water pump can be common in RJP technique and MJS technique.It is different from existing RJP work
Skill and MJS technique conventional bit, a kind of RJP and MJS technique all-purpose bit described in the utility model, when being used for RJP technique,
Increase pressure monitoring function in ground；When being used for MJS technique, the guidance cutting function of cutting high pressure water is increased, is more had
Conducive to the uniformity for guaranteeing expanded diameter and reinforcing body；
2) the utility model passes through connection bolt and suck-back bricklayer's when drill bit assembles by increasing linkage section, linkage section
Make section to connect with pressure sensitive active section, when for MJS technique meet fall mud suction mouth between mouth spray nozzle at a distance from, prevent
The mass efficient hardening slurry sprayed from mouth spray nozzle is caused to be discarded by suck-back apart from too small；When being used for RJP technique without
Sludge suction function can be retained on drill bit, can also be removed linkage section, keep mud suck-back active section and pressure sensitive active section direct
Connection；
3) the drill bit of the utility model, drilling tool help to reduce the production cost of conventional MJS technique drill bit, drilling tool；It keeps away
Exempt from the buying expenses of two sets of equipment utensils, and because of the quantity of equipment utensil, transport, stacking place caused by two sets of drilling tools
The influence of increase etc. realizes cost reduction, economy purpose.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model drill bit；
Fig. 2 is the overlooking structure diagram of the utility model drill bit；
Fig. 3 is the left view structural representation of Fig. 1；
Fig. 4 is the right side top view of Fig. 1；
Fig. 5 is the RJP closing plate structure of falling mud suction mouth schematic diagram.
In figure: A- exhaust work section, the upper cutting water active section of B-, C- mud suck-back active section, D- linkage section, E- feeling of stress
Answer active section, F- gunite work section, section is made in cutting water conservancy project under G-；
1- suck-back port, the first fabrication hole of 2-, 3- connection bolt, 4- are bolted storehouse, the mouth of a river, 6- suck-back are cut on 5-
Mud mouth, the 7- band aperture sealing plate of falling mud suction mouth, 8- suck-back (operating) water nozzle, 9- suck-back (operating) water nozzle install sealing plate, pressure sensor in the ground 10-,
Pressure sensor liquid injection hole in the ground 11-, 12- mouth spray nozzle, the main port nozzle ring of 13-, 14- drill bit fixing bolt mouth, under 15-
Cut the mouth of a river, 16- nozzle fixing bolt, 17- back shroud, 18- internal pressure detect film, the second fabrication hole of 19-, 20- it is totally-enclosed fall
Mud suction mouth sealing plate, 21- bolt mounting holes, the 22- suck-back mouth of a river；
The upper cutting water of a- conveys duct, b- suck-back air delivery duct, and cutting water conveys duct, d- monitoring data line under c-
Duct, e- whitewashing liquid convey duct, and f- suck-back water conveys duct, and the main gas of g- conveys duct, and h- suck-back mud conveys duct.
Specific embodiment
Below in conjunction with Figure of description, the utility model will be further described, but the protection scope of the utility model is simultaneously
It is not limited only to this:
As shown in Figs. 1-5, a kind of RJP technique of the utility model and MJS technique all-purpose bit, including sequentially connected row
Gas active section A, upper cutting water active section B, mud suck-back active section C, linkage section D, pressure sensitive active section E, gunite work section F
And section G is made in lower cutting water conservancy project, and upper cutting water conveying duct a, suck-back air delivery duct b, the conveying of lower cutting water are equipped in drill bit
Duct c, monitoring data string holes road d, whitewashing liquid conveying duct e, suck-back water conveying duct f, main gas conveying duct g and suck-back mud are defeated
Duct h is sent, each duct outlet is located on the end face exhaust work section A；
The exhaust work section A is equipped with suck-back port 1 and the first fabrication hole 2, suck-back port 1 and suck-back air delivery hole
Road b is communicated, and the first fabrication hole 2 realizes that suck-back gas is re-routed to suck-back mud conveying duct h from suck-back air delivery duct b, is vented work
Make the end face section A equipped with bolt mounting holes 21, drill bit passes through bolt mounting holes 21 by bolt with drilling rod and is fixedly connected；Lower cutting water
The end active section G is equipped with pilot hole drilling tool fixing bolt mouth 14, and drilling tool passes through pilot hole drilling tool fixing bolt mouth 14 by bolt and is fixed on
On drill bit；
The upper cutting water active section B is equipped with the upper cutting mouth of a river 3, and the upper cutting mouth of a river 3 connects with upper cutting water conveying duct a
It is logical, it realizes that high-pressure water constructs guide rail cutting, guarantees final expanded diameter；
The mud suck-back active section C is equipped with mud suction mouth 6, suck-back (operating) water nozzle 8 and the second fabrication hole 19, mud suction mouth
6 are equipped with the sealing plate of falling mud suction mouth, and the sealing plate of falling mud suction mouth includes for the band aperture sealing plate of falling mud suction mouth 7 of MJS technique or for RJP
The hermetically sealed sealing plate of falling mud suction mouth 20 of technique can be replaced according to practice of construction needs；Mud suction mouth 6 and suck-back mud are defeated
Duct h connection is sent, suck-back (operating) water nozzle 8 is installed on the suck-back mud conveying bottom end duct h, and suck-back (operating) water nozzle 8 is connect with the suck-back mouth of a river 22,
The setting of the suck-back mouth of a river 22 conveys the outlet end duct h in suck-back mud；Suck-back (operating) water nozzle 8 is communicated with suck-back water conveying duct f, suck-back water
It is equipped with suck-back (operating) water nozzle on the outside of nozzle 8, sealing plate 9 is installed, the second fabrication hole 19, which is able to achieve, conveys duct f and suck-back for suck-back water
(operating) water nozzle 8 is connected to, and the first fabrication hole 2, the second fabrication hole 19 are equipped with bolt, is sealed to fabrication hole；
The pressure sensitive active section E be equipped with pressure sensor 10 in ground, in pressure sensor liquid injection hole 11 and ground internal pressure
Detect film 18；Pressure sensor 10 connects console by data line in ground, and data line is mounted in monitoring data string holes road d, ground
Interior pressure sensor liquid injection hole 11 is two, is injected separately into lubricating fluid and anti-icing fluid, guarantees the normal work of pressure sensor 10 in ground；
The gunite work section F is equipped with nozzle and installation, service work storehouse, and nozzle is fixed on by nozzle fixing bolt 16
On the nozzle mounting hole of gunite work section F, the nozzle is assembled by mouth spray nozzle 12 and main port nozzle ring 13, spray
It is respectively equipped with screw thread on slurry mouth nozzle 12 and main port nozzle ring 13, threaded mouth spray nozzle 12 is first installed, then at it
The outer threaded main port nozzle ring 13 of installation, installation, service work storehouse are used to nozzle and whitewashing liquid conveying duct e, master
Gas conveys duct g connection, and is sealed by back shroud 17；
The utility model is in order to prevent apart from the too small mass efficient hardening slurry quilt for causing to spray from mouth spray nozzle 12
Suck-back is discarded, linkage section D is arranged between suck-back mud active section C and pressure sensitive active section E, linkage section D is for adjusting
Distance between mud suction mouth 6 and mouth spray nozzle 12, linkage section D pass through connection bolt 5 and suck-back mud active section C when drill bit assembles
Connected with pressure sensitive active section E, when for MJS technique meet fall mud suction mouth 6 between mouth spray nozzle 12 at a distance from；With
Without sludge suction function when RJP technique, can be retained on drill bit, linkage section D can also be removed, make mud suck-back active section C with
Pressure sensitive active section E is directly connected to.
The lower cutting water conservancy project makees section G equipped with the lower cutting mouth of a river 15, and the lower cutting mouth of a river 15 conveys duct c with lower cutting water
Connection.
Linkage section D is arranged in order to be applicable in RJP and MJS technique simultaneously in the utility model among drill bit, for adjusting
Distance between mud suction mouth 6 and mouth spray nozzle 12 makes down mud suction mouth 6 and 12 distance 1000-1200 mm of mouth spray nozzle,
Preferably 1100mm；It prevents from causing the mass efficient hardening slurry sprayed from mouth spray nozzle 12 to be discarded by suck-back apart from too small.
The utility model in order to easy to connect, exhaust work section A, upper cutting water active section B, mud suck-back active section C,
Linkage section D, pressure sensitive active section E, gunite work section F and lower cutting water conservancy project, which are made to be respectively equipped with four on section G, is bolted storehouse
4, storehouse 4, which is bolted, by four between each active section is attached using connection bolt 5.
RJP technique and the general drill bit of MJS technique are used for MJS construction technology, included the following steps: by the utility model
The sealing plate of falling mud suction mouth is selected the band aperture sealing plate of falling mud suction mouth 7 for MJS technique and is installed, while passing through linkage section
D adjusts the distance between mud suction mouth 6 and mouth spray nozzle 12 between 1100mm or so, i.e. 1000-1200, guarantees useless
The suck-back of slurries is abandoned, and prevents excessive cement grout from discharging as waste pulp and influencing the pile quality reinforced；High pressure water enters
Upper cutting water conveying duct a ejects high pressure water through the upper cutting mouth of a river 3, to needing soil mass consolidation progress cutting at one time, while cement
Slurries enter whitewashing liquid conveying duct e and eject high-pressure water slurry liquid through mouth spray nozzle 12, are aided with from main gas and convey duct g
Coaxial compressed air through main port nozzle ring 13 carries out secondary cutting, mixes cement grout with the soil body, in a short time
Form the soil cement reinforcing body of major diameter；Pressure sensor 10 in film 18 and ground is detected using ground internal pressure, will be constructed by data line
Pressure data is sent to control backstage in the ground at position；According to pressure data in the ground of monitoring, pass through suck-back air delivery duct b
And compressed air is delivered to suck-back mud conveying duct H-shaped into pressure difference by suck-back port 1, will whitewash the slurry of the part of cement in range with
The mixed liquor of the soil body sucks suck-back mud and conveys in the h of duct by falling mud suction mouth 6, then is emitted into earth's surface waste pulp collecting box, realizes hole
Pressure controls in interior pressure plasma discharge and ground；It is aided with slurry of the high pressure water to sucking suck-back mud conveying duct h of the injection of suck-back (operating) water nozzle 8
Liquid is diluted, and is more advantageous to suck-back, the discharge of waste pulp；According to pressure data in the ground of monitoring, by adjusting suck-back air pressure
The pressure difference that power is formed can adjust, control suck-back mud amount, and a possibility that controlling pressure in ground, reduce earth's surface deformation, reduction is applied
Influence of the work to surrounding enviroment is further ensured that expanded diameter, realizes the pile function of routine MJS technique drilling tool.
RJP technique and the general drill bit of MJS technique are used for RJP construction technology, included the following steps: by the utility model
It will be used for changing into the aperture sealing plate of falling mud suction mouth 7 for MJS technique and be used for the hermetically sealed sealing plate of falling mud suction mouth of RJP technique
20, simultaneously close off suck-back air and suck-back water；Cutting at one time is carried out by the high pressure water that the upper cutting mouth of a river 3 is sprayed, is utilized simultaneously
The coaxial compressed air that the high-pressure water slurry liquid that mouth spray nozzle 12 sprays is aided with main port nozzle ring 13 carries out secondary cut
It cuts, mixes cement grout with the soil body, form the soil cement reinforcing body of major diameter within a short period of time；It is extra in boundary of works area
Waste pulp are expelled to earth's surface from overflowing by the annular spaces between Φ 142mm drilling tool and the aperture 250mm ~ Φ 300mm Φ stratum, real
The now pile function of routine RJP technique drilling tool；Meanwhile using pressure sensor 10 in the ground internal pressure detection film 18 and ground, lead to
It crosses data line and pressure data in the ground of construction part is sent to control backstage, realize conventional RJP technique drilling tool without ground internal pressure
The function of power monitoring.
Claims (9)
1. a kind of RJP technique and the general drill bit of MJS technique, it is characterised in that including sequentially connected exhaust work section (A), on
Cutting water active section (B), mud suck-back active section (C), linkage section (D), pressure sensitive active section (E), gunite work section (F) and
Lower cutting water conservancy project is made section (G), and upper cutting water is equipped in drill bit and conveys duct (a), suck-back air delivery duct (b), lower cutting water
Convey duct (c), monitoring data string holes road (d), whitewashing liquid conveying duct (e), the conveying of suck-back water duct (f), main gas sprocket hole
Road (g) and suck-back mud conveying duct (h), each duct outlet are located on the end face exhaust work section (A)；
The exhaust work section (A) is equipped with suck-back port (1) and the first fabrication hole (2), and suck-back port (1) and suck-back air are defeated
Duct (b) is sent to communicate, the first fabrication hole (2) realizes that suck-back gas is re-routed to suck-back mud sprocket hole from suck-back air delivery duct (b)
Road (h)；
The upper cutting water active section (B) is equipped with the upper cutting mouth of a river (3), and the upper cutting mouth of a river (3) and upper cutting water convey duct
(a) it is connected to, realizes that high-pressure water constructs guide rail cutting, guarantee final expanded diameter；
The mud suck-back active section (C) is equipped with mud suction mouth (6), suck-back (operating) water nozzle (8) and the second fabrication hole (19), suck-back
Mud mouth (6) is equipped with the sealing plate of falling mud suction mouth, and mud suction mouth (6) is connect with suck-back mud conveying duct (h), suck-back (operating) water nozzle (8) peace
The bottom end duct (h) is conveyed loaded on suck-back mud；Suck-back (operating) water nozzle (8) is communicated with suck-back water conveying duct (f), suck-back (operating) water nozzle (8)
Outside is equipped with suck-back (operating) water nozzle installation sealing plate (9), and the second fabrication hole (19) is able to achieve suck-back water conveying duct (f) and suck-back
(operating) water nozzle (8) connection, the first fabrication hole (2), the second fabrication hole (19) are equipped with bolt, are sealed to fabrication hole；
The pressure sensitive active section (E) be equipped with pressure sensor (10) in ground, in pressure sensor liquid injection hole (11) and ground
Pressure detection film (18)；Pressure sensor (10) connects console by data line in ground, and data line is mounted on monitoring data string holes road
(d) in；
The gunite work section (F) is equipped with nozzle and installation, service work storehouse, and nozzle is fixed on by nozzle fixing bolt (16)
On the nozzle mounting hole of gunite work section (F)；Installation, service work storehouse are used to nozzle and whitewashing liquid conveying duct (e), main gas
Duct (g) connection is conveyed, and is sealed by back shroud (17)；
The lower cutting water conservancy project makees section (G) equipped with the lower cutting mouth of a river (15), the lower cutting mouth of a river (15) and lower cutting water sprocket hole
Road (c) connection.
2. a kind of RJP technique according to claim 1 and the general drill bit of MJS technique, it is characterised in that nozzle is by whitewashing
Mouth nozzle (12) and main port nozzle ring (13) assemble, and divide on mouth spray nozzle (12) and main port nozzle ring (13)
Not She You screw thread, first pass through nozzle fixing bolt and mouth spray nozzle (12) be mounted on nozzle mounting hole, then by main port ring
Shape nozzle (13) cover mouth spray nozzle (12) outside, installation, service work storehouse realize whitewashing liquid conveying duct (e) and mouth spray spray
Mouth (12) individually connection, main gas conveying duct (g) and the connection perforation of main port nozzle ring (13).
3. a kind of RJP technique according to claim 2 and the general drill bit of MJS technique, it is characterised in that linkage section (D) is used
In adjusting distance between mud suction mouth (6) and mouth spray nozzle (12), prevent from causing to spray from mouth spray nozzle (12) apart from too small
Mass efficient hardening slurry out is discarded by suck-back.
4. a kind of RJP technique according to claim 3 and the general drill bit of MJS technique, it is characterised in that fall mud suction mouth (6)
With at a distance from mouth spray nozzle (12) be 1000-1200 mm.
5. a kind of RJP technique according to claim 1 to 3 and the general drill bit of MJS technique, it is characterised in that exhaust
The active section end face (A) is equipped with bolt mounting holes (21), and drill bit passes through bolt mounting holes (21) by bolt with drilling rod and is fixedly connected；
Lower cutting water conservancy project makees the section end (G) equipped with pilot hole drilling tool fixing bolt mouth (14), and drilling tool passes through the fixed spiral shell of pilot hole drilling tool by bolt
Bolt mouth (14) is fixed on drill bit.
6. a kind of RJP technique according to claim 1 to 3 and the general drill bit of MJS technique, it is characterised in that suck-back
Mud mouth sealing plate includes for MJS technique with the aperture sealing plate of falling mud suction mouth (7) or for the hermetically sealed envelope of falling mud suction mouth of RJP technique
Plate (20).
7. a kind of RJP technique according to claim 1 to 3 and the general drill bit of MJS technique, it is characterised in that in ground
Pressure sensor liquid injection hole (11) is two, is injected separately into lubricating fluid and anti-icing fluid, guarantees the normal work of pressure sensor (10) in ground
Make.
8. a kind of RJP technique according to claim 1 to 3 and the general drill bit of MJS technique, it is characterised in that exhaust
Active section (A), upper cutting water active section (B), mud suck-back active section (C), linkage section (D), pressure sensitive active section (E), spray
Slurry active section (F) and lower cutting water conservancy project, which are made to be respectively equipped with four on section (G), to be bolted storehouse (4), is passed through between each active section
Four are bolted storehouse (4) and are attached using connection bolt (5).
9. a kind of RJP technique according to claim 3 and the general drill bit of MJS technique, it is characterised in that fall mud suction mouth (6)
With at a distance from mouth spray nozzle (12) be 1100mm.
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| CN201821139358.2U CN208918473U (en) | 2018-07-18 | 2018-07-18 | A kind of RJP technique and the general drill bit of MJS technique |
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| CN201821139358.2U CN208918473U (en) | 2018-07-18 | 2018-07-18 | A kind of RJP technique and the general drill bit of MJS technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661566A (en) * | 2018-07-18 | 2018-10-16 | 浙江省地矿建设有限公司 | A kind of RJP techniques and the general drill bit of MJS techniques and its construction technology |
| CN113186930A (en) * | 2021-04-28 | 2021-07-30 | 建基建设集团有限公司 | Improved MJS construction machine and construction method |
-
2018
- 2018-07-18 CN CN201821139358.2U patent/CN208918473U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661566A (en) * | 2018-07-18 | 2018-10-16 | 浙江省地矿建设有限公司 | A kind of RJP techniques and the general drill bit of MJS techniques and its construction technology |
| CN108661566B (en) * | 2018-07-18 | 2024-01-16 | 浙江省地矿建设有限公司 | RJP (reactive JP) process and MJS (MJS) process universal drill bit and construction process thereof |
| CN113186930A (en) * | 2021-04-28 | 2021-07-30 | 建基建设集团有限公司 | Improved MJS construction machine and construction method |
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