CN206785307U - A kind of drilling equipment and rig - Google Patents
A kind of drilling equipment and rig Download PDFInfo
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- CN206785307U CN206785307U CN201720610912.XU CN201720610912U CN206785307U CN 206785307 U CN206785307 U CN 206785307U CN 201720610912 U CN201720610912 U CN 201720610912U CN 206785307 U CN206785307 U CN 206785307U
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- drilling
- drilling rod
- pivoted arm
- drilling equipment
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Abstract
The utility model discloses a kind of drilling equipment, including drilling rod, the drilling rod front end is provided with drill bit, the drilling rod side wall is provided with installation cavity, pivoted arm is connected with the installation cavity, grooving mechanism is provided with the pivoted arm, gathering stretching mechanism is provided between the pivoted arm and the drilling rod.The utility model additionally provides a kind of rig.The drilling equipment provided by the utility model can carry out the drilling in duct when advancing, can dig conduit in duct inwall during retrogressing.Various forms of conduits can be excavated according to the movement locus of the form of grooving mechanism and drilling rod, under hydraulic fracturing, channel region is more likely formed crackle due to stress concentration, so as to the duct that effectively ensures to drill out under hydraulic fracturing formation rule crackle, facilitate the drilling operation in later stage；Simultaneously because channel region meets with stresses greatly, the depth of crackle can be effectively increased, reduces drill hole density, improves the efficiency of drilling operation.
Description
Technical field
Engineering machinery field is the utility model is related to, more specifically, more particularly to a kind of drilling equipment and rig.
Background technology
In engineering construction, it is often necessary to carry out drilling operation in lithostratigraphy, because the hardness of rock is bigger, therefore bore
The difficulty in hole is high, especially at uniaxial compressive strength (limit value of compressive stress when rock sample destroys under unidirectional pressure)
Larger fine and close hard rock.In early stage operation, drilling operation generally by drilling and blasting method, i.e., drift section in certain direction and
Away from blasthole is drilled out, refilling explosive carries out explosion, the rock mass of predetermined length is fragmented into fritter and transported again, so as to realize tunnel
Driving, but this kind of method is difficult that burst size is precisely controlled, and Blasting shock wave is easy to influence surrounding formations.To subtract
Backbreak less deficient digging situation, reduce disturbance of the Blasting shock wave to surrounding formations, utility model presplitting was quick-fried again later by engineering staff
Broken engineering method, its key are in excavated section periphery hole, and fractional charge explosion is to produce the crack penetrated along hole wall line, then
Coordinate other road heading machinery operations again.But during using this kind of method, in order to form crack by predetermined direction, it is desirable to periphery hole
Spacing is smaller, and drilling hole amount is more, have impact on construction economy.
Although very fully, its birth defect in terms of safety and environmental protection can not be eradicated, right for blasting rock-broken research
It is poor for applicability that impact influences more sensitive place.With the lifting of safe construction requirement, China in terms of on-explosive broken rock to carrying out
Very big research, especially hydraulic fracturing technology have obtained tremendous expansion, put into practice surface, in the fine and close lime rock stratum, 35MPa
Hydraulic pressure can realize the generation and extension of 15~20m crackles, therefore, hydraulic fracturing technology is widely applied.It is for example, oily
Rock stratum can be split up in gas exploitation using hydraulic pressure and discharges petroleum resources therein to be exploited；Waterpower pressure is used in coal mining
Split the release that technology accelerates gas.In practical operation, due to the duct inwall smoother that conventional drilling equipment drills out, therefore,
Hydraulic pressure is often generally evenly distributed in duct inwall, the position that duct internal fissure occurs at first often in peripheral structure and intensity most
Weak direction, the appearance position of crackle is very irregular, significantly impacts the drilling operation in later stage；Meanwhile this kind of method is made
Into crack depth it is often shallower, generally require with less spacing set drill, the construction volume of engineering has been significantly greatly increased, greatly
Reduce the efficiency of drilling operation.
Utility model content
To provide a kind of drilling equipment, the drilling equipment is set the technical problems to be solved in the utility model by its structure
Meter, the duct that can effectively ensure to drill out formation rule crackle under hydraulic fracturing, facilitates the drilling operation in later stage；Energy simultaneously
Increase the depth of crackle, reduce drill hole density, improve the efficiency of drilling operation.
A kind of drilling equipment, including drilling rod, the drilling rod front end are provided with drill bit, and the drilling rod side wall is provided with installation
Chamber, pivoted arm is connected with the installation cavity, grooving mechanism is provided with the pivoted arm, between the pivoted arm and the drilling rod
It is provided with gathering stretching mechanism.
Preferably, the grooving mechanism is hard alloy cutter or diamond cutter or instrument steel cutter or high-speed steelknife
Tool.
Preferably, the gathering stretching mechanism is spring.
Preferably, limited position mechanism is set in the installation cavity, and the position-limit mechanism is used for the relatively described brill of the pivoted arm
Angle limitation during bar pitching.
Preferably, the position-limit mechanism includes upper limit mechanism and lower limiting mechanism, and the upper limit mechanism is used for described
Angle limitation when pivoted arm is away from the drilling rod, the lower limiting mechanism are used for the angle limit when pivoted arm draws close the drilling rod
System.
Preferably, at least two grooving mechanism is equidistantly disposed with the axial direction of the drilling rod, the cutting of the grooving mechanism is deep
Degree increases successively from the drilling rod rear end toward front end.
Preferably, the first end difference is provided with the installation cavity, the second end difference, the receipts are provided with the pivoted arm
The both ends for holding together stretching mechanism are separately mounted on first end difference and second end difference.
Preferably, the drilling rod tail end is provided with locating slot, and the locating slot is arranged in always with the grooving mechanism
On line.
Preferably, the tail end of the drilling rod is provided with positioning fixture, and the positioning fixture includes base, lived on the base
The dynamic left clamping jaw for being provided with parallel arrangement and right clamping jaw.
Preferably, it is provided with the grooving mechanism along the triangle tool face of the drilling rod radial arrangement.
Preferably, the angle for the point of a knife that the triangle tool face is in contact with hole wall is not more than 60 degree.
The utility model additionally provides a kind of rig, and the drilling equipment described in above-mentioned any one is provided with the rig.
The beneficial effects of the utility model are：The drilling equipment provided by the utility model can carry out duct when advancing
Drilling, conduit can be dug in duct inwall during retrogressing.During advance, collapse stretching mechanism traction pivoted arm and drawn close to drilling rod, and then
Grooving mechanism is set to be hidden in inside installation cavity, so as to realize smooth drilling of the drill bit to duct；When the drilling equipment retreats, receive
Hold together outside stretching mechanism control pivoted arm and face upward until grooving mechanism is extended to outside the circumferential area of drilling rod, grooving mechanism rubs in duct inwall
Wipe and continue deeper into hole wall until reaching defined depth under power effect, grooving mechanism is as the fallback synchronization of drilling rod is in duct inwall
Conduit is opened up, various forms of conduits can be excavated according to the movement locus of the form of grooving mechanism and drilling rod, in hydraulic fracturing
Under, channel region is more likely formed crackle due to stress concentration, so as to the duct that effectively ensures to drill out under hydraulic fracturing
Formation rule crackle, facilitate the drilling operation in later stage；Simultaneously because channel region meets with stresses greatly, crackle can be effectively increased
Depth, reduce drill hole density, improve the efficiency of drilling operation.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is the structural representation that the drilling equipment disclosed in the utility model embodiment 1 advances when drilling；
Structural representation when Fig. 2 is the drilling equipment retrogressing grooving disclosed in the utility model embodiment 1；
Fig. 3 is the structural representation of the positioning fixture disclosed in the utility model embodiment 2；
Fig. 4 is the radial cross-section of the drilling equipment disclosed in the utility model embodiment 3.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the application protection.
Embodiment 1：
Referring to Fig. 1 and Fig. 2, Fig. 1 to Fig. 2 discloses a kind of specific embodiment of drilling equipment of the utility model, wherein, figure
1 is the structural representation that the drilling equipment disclosed in the utility model embodiment 1 advances when drilling；Fig. 2 is that the utility model is real
Apply the structural representation when drilling equipment disclosed in example 1 retreats grooving.
As depicted in figs. 1 and 2, the utility model embodiment discloses a kind of drilling equipment, can be used for constructing tunnel, oil
The drilling in duct, the drilling equipment include drilling rod 1, drill bit 2, installation cavity 3, pivoted arm 4, grooving mechanism in the engineering constructions such as gas exploitation
5 with collapsing stretching mechanism 6.
In this programme, drilling rod 1 both acted on for the transmission of starting power, was used to play a supportive role again.The body of rod of drilling rod 1 is strong
Degree, radial dimension, axial length and specific structure type are selected by actual condition.Due to provided by the utility model
The drilling equipment can carry out the drilling in duct when advancing, can dig conduit in duct inwall during retrogressing, therefore drilling rod 1 is most
Low-intensity must not be less than tension caused by conduit cutting, and the setback force that peripheral hardware drive device provides also have to be larger than this drawing should
Power.
The front end of drilling rod 1 is provided with drill bit 2, and drill bit 2 is used for the cutting in duct.During drilling, outside power device will be dynamic
Power is transferred to drilling rod 1, drilling rod 1 and then passes to drill bit 2, the rotary cutting in rock stratum of drill bit 2, so as to realize the excavation in duct.
The side wall of drilling rod 1 is provided with installation cavity 3, and pivoted arm 4 is connected with installation cavity 3, grooving is provided with the pivoted arm 4
Mechanism 5, grooving mechanism 5 are used to dig conduit in duct inwall when drilling rod 1 retreats.Specifically, to be more convenient digging for conduit,
Grooving mechanism 5 can be preferably hard alloy cutter.
It is provided between pivoted arm 4 and drilling rod 1 and collapses stretching mechanism 6.Stretching mechanism 6 is collapsed by collapsing with opening and then band
The pitching of turn arm 4.When drilling rod 1 advances, collapse the traction pivoted arm 4 of stretching mechanism 6 and drawn close to drilling rod 1, and then hide grooving mechanism 5
Inside installation cavity 3, so as to realize smooth drilling of the drill bit 2 to duct；When drilling rod 1 retreats, collapse the control of stretching mechanism 6 and turn
Face upward outside arm 4 until grooving mechanism 5 is extended to outside the circumferential area of drilling rod 1, grooving mechanism 5 under the effect of duct inwall frictional force after
Continuous to go deep into hole wall until reaching defined depth, grooving mechanism 5 digs conduit with the fallback synchronization of drilling rod 1 in duct inwall.
Specifically, to be more convenient the pitch control of pivoted arm 4, it can be preferably spring to collapse stretching mechanism 6, in this way, advancing
When, the compression spring of pivoted arm 4 is to the internal contraction of installation cavity 3, when drilling rod 1 pulls back, pivoted arm 4 spring force and grooving mechanism 5 with
Radially direction is opened under the double action of hole wall frictional force, and after grooving mechanism 5 cuts rock mass, cutting force continues pivoted arm 4
Open, until reaching prescribed depth.
Generally, the drilling in duct can be carried out when the drilling equipment provided by the utility model advances, can during retrogressing
To dig conduit in duct inwall.Meanwhile it be able to can be excavated not according to the form of grooving mechanism 5 and the movement locus of drilling rod 2
With the conduit of form, under hydraulic fracturing, channel region is more likely formed crackle due to stress concentration, so as to effectively ensure
The duct drilled out formation rule crackle under hydraulic fracturing, facilitate the drilling operation in later stage；Simultaneously because channel region is born
Stress is big, can be effectively increased the depth of crackle, reduces drill hole density, improves the efficiency of drilling operation.
During drilling, for the hole wall position for needing to seal in duct, to ensure sealing effectiveness, it should be cut without conduit
Cut, should now control and collapse stretching mechanism 6, it is ensured that the cutter tooth of grooving mechanism 5 actively collapses when reaching sealing station.Specifically,
Magnet coil can be used to attract pivoted arm 4 to collapse, drilling rod 1, which stretches into a segment distance into duct, before gathering makes the knife of grooving mechanism 5
Sharp swing space is unobstructed.
In the present embodiment, in order to control the cutting depth of conduit, the opening scope of pivoted arm 4 is limited, while bear cutting groove
Reaction force during road.Limited position mechanism 7, angle when position-limit mechanism 7 is used for pivoted arm 4 with respect to 1 pitching of drilling rod are set in installation cavity 3
Degree limitation.
Preferably, the position-limit mechanism 7 includes upper limit mechanism and lower limiting mechanism, and the upper limit mechanism is used for described
Angle limitation when pivoted arm 4 is away from the drilling rod 1, the lower limiting mechanism are used for the angle when pivoted arm 4 draws close the drilling rod 1
Degree limitation.
For this programme, it is necessary to when the cutting depth of conduit is larger, grooving mechanism 5 bears anti-with position limiting structure 7
Active force is bigger, can be along drilling rod 2 axially if single grooving mechanism 5 or position limiting structure 7 are difficult to bear larger reaction force
The multiple grooving mechanisms 5 of equidistant placement, the cutter tooth penetraction depth of each grooving mechanism 5 increase successively.Stretching mechanism 6 is collapsed in control,
The cutter tooth of rear grooving mechanism 5 is set to open incision after reaching the cutter tooth incision starting point of front grooving mechanism 5.Specifically, collapse
Stretching mechanism 6 can include magnet coil, and magnet coil attracts pivoted arm 4 to collapse during energization, and pivoted arm 4 is in spring-force driven dual during power-off
Lower opening, magnet coil suction, which should ensure that to overcome enough, opens torque caused by spring.
In the present embodiment, to further facilitate the installation for collapsing stretching mechanism 6, it is preferable that be provided with the installation cavity 3
First end difference 301, the second end difference 401 is provided with the pivoted arm 4, and the both ends for collapsing stretching mechanism 6 are installed respectively
On first end difference 301 and second end difference 401.
In the present embodiment, the tail end of drilling rod 1 is provided with locating slot, and the locating slot is arranged in same with the grooving mechanism 5
On straight line.In practical operation, after the completion of drilling, drilling rod 1 need to typically be rotated to direction initialization and locked by operating personnel, by setting
Locating slot is put, can be with personal observations easy to operation and operational orientation.It is of course also possible to carried out from the mechanism of some other forms
Positioning, for example, setting the flat structure parallel with grooving mechanism 5 in the tail end of drilling rod 1.
The utility model additionally provides a kind of rig, and the drilling equipment described in above-mentioned any one is provided with the rig.
Embodiment 2：
Referring to Fig. 3, Fig. 3 provides a kind of specific embodiment of positioning fixture.Wherein, Fig. 3 is the utility model embodiment 2
The structural representation of disclosed positioning fixture.
As shown in figure 3, in the present embodiment, the tail end of drilling rod 1 is provided with positioning fixture, and the positioning fixture includes base
801, the left clamping jaw 802 and right clamping jaw 803 of parallel arrangement, the left clamping jaw 802 and the right folder are provided with the base 801
The activity of pawl 803 is installed and can be to middle slip or outside Slideslip.The left clamping jaw 802 is used for the right clamping jaw 803
Drilling rod 1 needs clamping during positioning.
In the present embodiment, the left side that angle and spacing can be adjusted arbitrarily is provided with the correspondence position of base 801 of positioning fixture
Clamping jaw 802 and right clamping jaw 803, paired left clamping jaw 802 and right clamping jaw 803 can be in center under the driving of the mechanisms such as two-way leading screw
Symmetrical synchronous gathering and opening.Left clamping jaw 802 and right clamping jaw 803, which open, during drilling makes drilling rod 1 to be crept into place with continuous rotary
Rear left clamping jaw 802 and right clamping jaw 803 collapse, and left clamping jaw 802 and right clamping jaw 803 slide into the position indicated at dotted line, clamp and bore
Bar 1, drilling rod 1 is set to be oriented by set angle.
Embodiment 3：
Referring to Fig. 4, Fig. 4 provides a kind of another specific embodiment of drilling equipment.Wherein, Fig. 4 is the utility model
The radial cross-section of drilling equipment disclosed in embodiment 3.
In the present embodiment, in order to ensure the conduit stress concentration of grooving mechanism cutting, it is provided with the grooving mechanism 5
Along the triangle tool face of the radial arrangement of drilling rod 1.
Further to strengthen the degree of conduit stress concentration, the point of a knife that the triangle tool face is in contact with hole wall
Angle is not more than 60 degree, in Fig. 4, and the angle for the point of a knife that triangle tool face is in contact with hole wall is a, and a angle is not more than 60
When spending, the conduit stress opened up is more concentrated.
In specific implementation process, it is desirable to which crackle is produced and extended towards which direction, can be with by triangle tool face
Point of a knife is towards the direction.Specifically, the adjustment and restriction in direction can be realized according to locating slot and positioning fixture.
A kind of drilling equipment provided by the utility model is described in detail above.It is used herein specifically individual
Example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this reality
With new method and its core concept.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls
Enter in the protection domain of the utility model claims.
Claims (11)
1. a kind of drilling equipment, it is characterised in that including drilling rod, the drilling rod front end is provided with drill bit, and the drilling rod side wall is set
Be equipped with installation cavity, pivoted arm be connected with the installation cavity, be provided with grooving mechanism on the pivoted arm, the pivoted arm with it is described
Gathering stretching mechanism is provided between drilling rod.
2. drilling equipment according to claim 1, it is characterised in that the grooving mechanism is hard alloy cutter or Buddha's warrior attendant
Stone cutter or instrument steel cutter or high-speed steel tool.
3. drilling equipment according to claim 1, it is characterised in that limited position mechanism is set in the installation cavity, it is described
Position-limit mechanism be used for the pivoted arm relatively the drilling rod pitching when angle limitation.
4. drilling equipment according to claim 3, it is characterised in that the position-limit mechanism includes upper limit mechanism and lower limit
Position mechanism, the angle limitation when upper limit mechanism is used for the pivoted arm away from the drilling rod, the lower limiting mechanism are used for
The pivoted arm draws close the angle limitation during drilling rod.
5. drilling equipment according to claim 3, it is characterised in that at least 2 are equidistantly disposed with the axial direction of the drilling rod
Individual grooving mechanism, the cutting depth of the grooving mechanism increase successively from the drilling rod rear end toward front end.
6. drilling equipment according to claim 1, it is characterised in that the first end difference, institute are provided with the installation cavity
State and the second end difference be provided with pivoted arm, it is described collapse stretching mechanism both ends be separately mounted to first end difference with it is described
On second end difference.
7. drilling equipment according to claim 1, it is characterised in that the drilling rod tail end is provided with locating slot, described fixed
Position groove is arranged on same straight line with the grooving mechanism.
8. drilling equipment according to claim 1, it is characterised in that the tail end of the drilling rod is provided with positioning fixture, institute
Stating positioning fixture includes base, and the left clamping jaw of parallel arrangement and right clamping jaw are movably installed with the base.
9. drilling equipment according to claim 1, it is characterised in that be provided with the grooving mechanism along the drilling rod footpath
To the triangle tool face of arrangement.
10. drilling equipment according to claim 9, it is characterised in that what the triangle tool face was in contact with hole wall
The angle of point of a knife is not more than 60 degree.
11. a kind of rig, it is characterised in that be provided with the rig as above-mentioned claim 1 is any one to claim 10
Drilling equipment described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720610912.XU CN206785307U (en) | 2017-05-27 | 2017-05-27 | A kind of drilling equipment and rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720610912.XU CN206785307U (en) | 2017-05-27 | 2017-05-27 | A kind of drilling equipment and rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785307U true CN206785307U (en) | 2017-12-22 |
Family
ID=60714034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720610912.XU Active CN206785307U (en) | 2017-05-27 | 2017-05-27 | A kind of drilling equipment and rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978972A (en) * | 2017-05-27 | 2017-07-25 | 中国铁建重工集团有限公司 | A kind of drilling equipment and rig |
-
2017
- 2017-05-27 CN CN201720610912.XU patent/CN206785307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978972A (en) * | 2017-05-27 | 2017-07-25 | 中国铁建重工集团有限公司 | A kind of drilling equipment and rig |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Group Co., Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |
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| CP03 | Change of name, title or address |