CN209011790U - It is lower to drilling with bore plugging type slag-draining device - Google Patents
It is lower to drilling with bore plugging type slag-draining device Download PDFInfo
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- CN209011790U CN209011790U CN201821843548.2U CN201821843548U CN209011790U CN 209011790 U CN209011790 U CN 209011790U CN 201821843548 U CN201821843548 U CN 201821843548U CN 209011790 U CN209011790 U CN 209011790U
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- deslagging
- hollow connecting
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Abstract
It is lower to drilling with boring plugging type slag-draining device, including vertically arranged upper hollow connecting rod, under hollow connecting rod, sealing bearing, block cushion rubber, upper deslagging conduit and lower dreg discharging conduit；Upper hollow connecting rod and under hollow connecting rod connect respectively with the upper port of bearing inner race and lower port, it blocks cushion rubber and is set in sealing bearing outer ring, upper deslagging conduit and lower dreg discharging conduit are provided with two, two lower dreg discharging conduits, which are assemblied in, to be blocked between cushion rubber set and sealing bearing outer ring, and two lower dreg discharging conduit upper ends correspond to two upper coaxial connections in deslagging conduit lower end.The utility model is compact-sized, is convenient for operation, and construction method is simple, can guarantee method that is effective, stablizing deslagging power, for improving small-bore, the hole quality and deslagging effect of larger depth drilling reduce air pollution, it is small-bore, the innovation on deep drill Slagoff method.
Description
Technical field
The utility model belongs to lane (tunnel) road support technology field, and in particular to drilling with brill plugging type deslagging under a kind of
Device.
Background technique
Drilling is the important behaviour form of coal petrography cutting in coal and rock, and according to requirement of engineering, drilling depth, direction can not yet
Together.In the construction such as mine support, rock blasting, generally require to creep into several meters to tens meters depth and towards drilling not etc.,
The discharge that drilling at this time generates landwaste is then the key factor for influencing drilling efficiency.Deslagging during domestic and international drilling construction at present
Method mainly has: cutting pick-up with high pressure water, high-pressure blast deslagging and mechanical spiral deslagging.But the above deslagging mode is primarily adapted for use in large hole
Drilling of diameter such as geotechnical boring, gas extraction hole etc..Diameter downward for direction is smaller and the biggish drilling construction of depth, high
Water is pressed to influence vulnerable to drilling depth, as drilling depth increases, water conservancy gradient is gradually decreased, it is extremely difficult to ideal deslagging pressure,
And the influence of high-pressure blast and mechanical spiral deslagging mode vulnerable to hole wall integrity, in collapse hole area, deslagging power drops suddenly, easily causes
Plug-hole, armful brill, bit freezing etc., stablize effective deslagging power to not can guarantee, in addition, both deslagging modes also will cause sky
Gas seriously pollutes.Therefore, a kind of method that can guarantee effective, stable deslagging power is found, for improving small-bore, larger depth
The hole quality and deslagging effect for spending drilling, reduce air pollution, are of great significance.
Utility model content
The utility model is provided and a kind of is able to maintain constant negative pressure deslagging to solve shortcoming in the prior art
Space is blocked to drilling with brill to be formed and stablize the lower of effective deslagging power, raising Completion of Drilling Hole quality and deslagging effect
Formula slag-draining device.
In order to solve the above technical problems, the utility model adopts the following technical solution: under to drilling with bore plugging type deslagging
Device, including vertically arranged upper hollow connecting rod, under hollow connecting rod, sealing bearing, block cushion rubber, upper deslagging conduit and
Lower dreg discharging conduit；
Upper hollow connecting rod lower end is protruded into and is threadedly coupled in the upper port of sealing bearing inner race, under hollow connecting rod
Upper end is protruded into and is threadedly coupled in the lower port of sealing bearing inner race, blocks cushion rubber and is set in sealing bearing outer ring, seals
Bearing outer ring in axial direction offers two transparent interior semicircle elongated slots, blocks cushion rubber set inner wall and in axial direction opens
Equipped with two transparent outer semicircle elongated slots, two interior semicircle elongated slots and two outer semicircle elongated slots correspond to form two
Cylindrical hole, upper deslagging conduit and lower dreg discharging conduit are provided with two, and two lower dreg discharging conduit correspondences are assemblied in two cylindrical holes
Interior, two lower dreg discharging conduit upper ends correspond to two upper coaxial connections in deslagging conduit lower end.
Sealing bearing and closure cushion rubber upper end are provided with the upper barrier piece covered outside upper hollow connecting rod, seal bearing
The lower barrier piece covered under outside hollow connecting rod, lower dreg discharging conduit upper and lower end are provided with cushion rubber lower end is blocked
It is each passed through barrier piece and lower barrier piece.
Upper hollow connecting rod upper end is connect with boring drilling rod coaxial line, under hollow connecting rod lower end and boring brill
Head coaxial line connection, the outer diameter of drill bit is equal with the outer diameter of cushion rubber is blocked, and the outer diameter of drill bit is greater than the outer diameter of drilling rod, upper hollow company
The outer diameter of extension bar, the drilling rod hollow connecting rod under is equal.
Two lower dreg discharging conduits are symmetrically arranged about sealing bearing axis, are provided between two upper deslagging conduits
The positioning ring outside upper hollow connecting rod is covered, positioning ring, two upper deslagging conduits have between upper hollow connecting rod outer wall
There is gap.
It is by adopting the above technical scheme, lower to include the following steps to drilling with the Slagoff method for boring plugging type slag-draining device,
(1) group is loaded to drilling with brill plugging type slag-draining device；
(2) by drill bit, hollow connecting rod lower end is connect under, and upper hollow connecting rod upper end is connect with drilling rod lower end；
(3) positioning rings of several upper deslagging conduits of connection two are respectively mounted outside drilling rod, positioning ring, on two
Deslagging conduit has gap between drilling-rod external wall；
(4) two upper deslagging conduit upper ends are connected into negative pressure water pump by high pressure deslagging hose, drilling rod upper end is installed to
On drilling machine, drilling rod upper port is connected into water supply pump by high-pressure water inlet hose；
(5) starting drilling machine at the coal petrography of setting to drilling, while starting water supply pump and negative pressure water pump；
(6) drilling machine drive drilling rod high speed rotation, drilling rod pass sequentially through hollow connecting rod, sealing bearing inner race, under it is hollow
Connecting rod drives drilling bit high-speed rotary, and drill bit cuts coal petrography, due to being provided between the outer ring and inner ring of sealing bearing
Ball, when sealing bearing inner race rotates, sealing bearing outer ring is maintained static, and lower dreg discharging conduit and upper deslagging conduit are fixed not
Turn；In drilling process, high pressure water by drilling rod, upper hollow connecting rod, sealing bearing inner race, under hollow connecting rod and drill bit
Inner passage enters bottom hole, and the debris generated with bit cutting coal petrography is mixed to form slurries, and negative pressure water pump is led by upper deslagging
Pipe and lower dreg discharging catheter interior provide negative pressure, and the slurries inside bottom hole are extracted upwards by lower dreg discharging conduit lower port, block
Cushion rubber is wrapped on the outside of sealing bearing, not only acts as the effect for fixing two lower dreg discharging conduits, and is deeply drilled with brill always,
And bottom hole is formed to constant sealing space, to can guarantee that bottom hole has stable negative pressure deslagging power, guarantee that slurries continue
Discharge upwards；
(7) after drilling to set depth, brill is moved back, closes drilling machine, water supply pump and negative pressure water pump；
(8) step (5)-(7) are repeated, bore operation is carried out to next boring point.
Closure cushion rubber material in the utility model is high-intensitive, high tenacity rubber, is in hollow cylindrical structure, is wrapped in
Bearing outer is sealed, the cylindrical hole formed between sealing bearing outer ring is to accommodate and fix lower dreg discharging conduit.
Upper deslagging conduit and lower dreg discharging conduit are high duty metal pipe, are passed through between upper deslagging conduit and lower dreg discharging conduit
It is threadedly coupled.
Upper barrier piece and lower barrier piece are in disk form, and upper barrier piece, lower barrier piece are identical with the diameter of closure cushion rubber, on
Barrier piece and lower barrier piece material are high duty metal, and upper barrier piece and lower barrier on piece open that there are three round holes side by side, can be made
Upper hollow connecting rod, under hollow connecting rod and lower dreg discharging conduit pass through, being threadedly attached in the supravasal nut of lower dreg discharging will
Upper barrier piece and the fastening of lower barrier piece can effectively prevent blocking cushion rubber in drilling process and sealing bearing slip, thus deslagging
Component forms constant confined space with brill always, stable deslagging power has been effectively ensured, and when blocking cushion rubber aging,
Upper barrier piece and lower barrier piece can be dismantled, what fast reading more renewed works as closure cushion rubber.
The setting of positioning ring can avoid upper deslagging conduit generated with high-speed rotating drilling rod and upper hollow connecting rod contact and
It is worn.
In conclusion the utility model principle is scientific, design is reasonable, compact-sized, convenient for operation, construction method is simple,
Low in input cost, can guarantee it is effective, stablize deslagging power method, for improve small-bore, larger depth drilling at
Hole quality and deslagging effect reduce air pollution, are small-bores, and the innovation on deep drill Slagoff method has good warp
Ji and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is schematic diagram of the utility model in bore operation.
Specific embodiment
As figure and Fig. 2 shown in, the utility model it is lower to drilling with bore plugging type slag-draining device, including vertically arranged
Upper hollow connecting rod 1, under hollow connecting rod 2, sealing bearing 3, block cushion rubber 5, upper deslagging conduit 6 and lower dreg discharging conduit 7；
Upper hollow 1 lower end of connecting rod is protruded into and is threadedly coupled in the upper port of sealing 3 inner ring of bearing, under hollow connection
2 upper end of bar is protruded into and is threadedly coupled in the lower port of sealing 3 inner ring of bearing, blocks cushion rubber 5 and is set in outside sealing bearing 3
Circle, sealing 3 outer ring of bearing in axial direction offer two transparent interior semicircle elongated slots, block 5 sets of inner wall edges of cushion rubber
Axial direction offers two transparent outer semicircle elongated slots, and two interior semicircle elongated slots and two outer semicircle elongated slots one are a pair of
Two cylindrical holes should be formed, upper deslagging conduit 6 and lower dreg discharging conduit 7 are provided with two, the corresponding assembly of two lower dreg discharging conduits 7
In two cylindrical holes, two 7 upper ends of lower dreg discharging conduit correspond to two upper coaxial connections in 6 lower end of deslagging conduit.
Sealing bearing 3 and closure 5 upper end of cushion rubber are provided with the upper barrier piece 8 covered outside upper hollow connecting rod 1, seal
Bearing 3 and closure 5 lower end of cushion rubber are provided with the lower barrier piece 4 covered under outside hollow connecting rod 2,7 upper end of lower dreg discharging conduit
Portion and lower end are each passed through barrier piece 8 and lower barrier piece 4.
Upper hollow 1 upper end of connecting rod is connect with 10 coaxial line of drilling rod of drilling 9, under hollow 2 lower end of connecting rod with drill 9
The connection of 11 coaxial line of drill bit, the outer diameter of drill bit 11 is equal with the outer diameter of cushion rubber 5 is blocked, and the outer diameter of drill bit 11 is greater than drilling rod 10
Outer diameter, upper hollow connecting rod 1, the outer diameter of the hollow connecting rod 2 under of drilling rod 10 are equal.
Two lower dreg discharging conduits 7 are symmetrically arranged about sealing 3 center line of bearing, set between two upper deslagging conduits 6
Be equipped with the positioning ring covered outside upper hollow connecting rod 1, positioning ring, two upper deslagging conduits 6 with upper hollow 1 outer wall of connecting rod
Between have gap.Appended drawing reference 13 in Fig. 2 be lower in the utility model to drilling with boring plugging type slag-draining device.
It is lower to include the following steps to drilling with the Slagoff method for boring plugging type slag-draining device,
(1) group is loaded to drilling with brill plugging type slag-draining device；
(2) by drill bit 11, hollow 2 lower end of connecting rod is connect under, and upper hollow 1 upper end of connecting rod and 10 lower end of drilling rod are connected
It connects；
(3) positioning ring 15 of the upper deslagging conduit 6 of several connections two, positioning ring are respectively mounted outside drilling rod 10
15, two upper deslagging conduits 6 have gap between 10 outer wall of drilling rod；
(4) two upper 6 upper ends of deslagging conduit are connected into negative pressure water pump, the installation of 10 upper end of drilling rod by high pressure deslagging hose
Onto drilling machine, 10 upper port of drilling rod is connected into water supply pump by high-pressure water inlet hose；
(5) starting drilling machine at the coal petrography of setting to drilling, while starting water supply pump and negative pressure water pump；
(6) drilling machine drive 10 high speed rotation of drilling rod, drilling rod 10 pass sequentially through hollow connecting rod 1, sealing 3 inner ring of bearing,
Under hollow connecting rod 2 drive 11 high speed rotation of drill bit, drill bit 11 cuts coal petrography, due to the outer ring of sealing bearing 3 and interior
Ball is provided between circle, when sealing 3 inner ring of bearing rotates, sealing 3 outer ring of bearing is maintained static, lower dreg discharging conduit 7 and upper row
Slag conduit 6 maintains static；In drilling process, high pressure water 14 passes through in drilling rod 10, upper hollow connecting rod 1, sealing bearing 3
Circle, under the inner passage of hollow connecting rod 2 and drill bit 11 enter bottom hole, with drill bit 11 cut coal petrography generate debris mix shape
At slurries 12, for negative pressure water pump by providing negative pressure inside upper deslagging conduit 6 and lower dreg discharging conduit 7, the slurries 12 inside bottom hole are logical
It crosses 7 lower port of lower dreg discharging conduit to be extracted upwards, blocks cushion rubber 5 and be wrapped in 3 outside of sealing bearing, not only act as and fix under two
The effect of deslagging conduit 7, and 9 are deeply drilled with boring always, and bottom hole is formed to constant sealing space, to can guarantee hole
Bottom has stable negative pressure deslagging power, guarantees that slurries 12 continue upward discharge；
(7) after drilling to set depth, brill is moved back, closes drilling machine, water supply pump and negative pressure water pump；
(8) step (5)-(7) are repeated, bore operation is carried out to next boring point.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (4)
- To drilling with brill plugging type slag-draining device under 1., it is characterised in that: including vertically arranged upper hollow connecting rod, lower sky Heart connecting rod, blocks cushion rubber, upper deslagging conduit and lower dreg discharging conduit at sealing bearing；Upper hollow connecting rod lower end is protruded into and is threadedly coupled in the upper port of sealing bearing inner race, under hollow connecting rod upper end Portion protrudes into and is threadedly coupled in the lower port of sealing bearing inner race, blocks cushion rubber and is set in sealing bearing outer ring, seals bearing Outer ring in axial direction offers two transparent interior semicircle elongated slots, blocks cushion rubber set inner wall and in axial direction offers Two transparent outer semicircle elongated slots, two interior semicircle elongated slots and two outer semicircle elongated slots correspond to form two cylinders Hole, upper deslagging conduit and lower dreg discharging conduit are provided with two, and two lower dreg discharging conduit correspondences are assemblied in two cylindrical holes, and two Lower dreg discharging conduit upper end corresponds to two upper coaxial connections in deslagging conduit lower end.
- 2. it is according to claim 1 it is lower to drilling with boring plugging type slag-draining device, it is characterised in that: sealing bearing and closure Cushion rubber upper end is provided with the upper barrier piece covered outside upper hollow connecting rod, and sealing bearing and closure cushion rubber lower end are provided with Cover the lower barrier piece under outside hollow connecting rod, lower dreg discharging conduit upper and lower end be each passed through barrier piece and under every Baffle.
- 3. it is according to claim 1 it is lower to drilling with boring plugging type slag-draining device, it is characterised in that: in upper hollow connecting rod End connect with boring drilling rod coaxial line, under hollow connecting rod lower end connect with boring drill bit coaxial line, drill bit outside Diameter is equal with the outer diameter of cushion rubber is blocked, and the outer diameter of drill bit is greater than the outer diameter of drilling rod, upper hollow connecting rod, drilling rod and under hollow connection The outer diameter of bar is equal.
- 4. it is according to claim 1 it is lower to drilling with bore plugging type slag-draining device, it is characterised in that: two lower dreg discharging conduits It is symmetrically arranged about sealing bearing axis, is provided with and is covered outside upper hollow connecting rod between two upper deslagging conduits Positioning ring, positioning ring, two upper deslagging conduits have gap between upper hollow connecting rod outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843548.2U CN209011790U (en) | 2018-11-09 | 2018-11-09 | It is lower to drilling with bore plugging type slag-draining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843548.2U CN209011790U (en) | 2018-11-09 | 2018-11-09 | It is lower to drilling with bore plugging type slag-draining device |
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| Publication Number | Publication Date |
|---|---|
| CN209011790U true CN209011790U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821843548.2U Active CN209011790U (en) | 2018-11-09 | 2018-11-09 | It is lower to drilling with bore plugging type slag-draining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209283A (en) * | 2018-11-09 | 2019-01-15 | 河南理工大学 | It is lower to drilling with boring plugging type slag-draining device and method |
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2018
- 2018-11-09 CN CN201821843548.2U patent/CN209011790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209283A (en) * | 2018-11-09 | 2019-01-15 | 河南理工大学 | It is lower to drilling with boring plugging type slag-draining device and method |
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