CN207436920U - A kind of drill bit structure in new middle soft formation - Google Patents
A kind of drill bit structure in new middle soft formation Download PDFInfo
- Publication number
- CN207436920U CN207436920U CN201721562949.6U CN201721562949U CN207436920U CN 207436920 U CN207436920 U CN 207436920U CN 201721562949 U CN201721562949 U CN 201721562949U CN 207436920 U CN207436920 U CN 207436920U
- Authority
- CN
- China
- Prior art keywords
- connector
- block
- sliding slot
- fixedly connected
- chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses the drill bit structures in a kind of new middle soft formation, including drilling rod, centre bore, chuck, connected unit and deflector hole, the centre bore is opened in the inside of drilling rod, the chuck is fixedly connected on drilling rod close to the surface of its bottom, the connected unit is fixedly connected on the bottom of chuck, the connected unit is fixedly connected on drilling rod close to the surface of its bottom, the deflector hole is opened in the side of connected unit, the bottom of the connected unit is connected with connector, through hole is offered at the top of the connector, the connected unit is flexibly connected by the through hole of connector with connector.The utility model passes through being used cooperatively between the structures such as above-mentioned, it realizes chuck and stablizing for connector is fixed, and connector and the disassembly process of chuck are more convenient, not only increase stability, and reduce the time of more bit change, add the practicability of the utility model.
Description
Technical field
It is specially the drill bit in a kind of new middle soft formation the utility model is related to drill the bit technique field used
Structure.
Background technology
Oil bit is the important tool of oil drilling, and the quality of working performance will directly affect drilling quality, drilling well
Efficiency and drilling cost.In oil drilling and geological drilling using it is most be rock bit, this drill bit application range compared with
Extensively, there is impact, crushing and shearing-crushing formation rock when rotated, suitable for soft, medium, hard various stratum.But
It is although rock bit is had excellent performance, but the rock bit higher price that performance is good, drill bit is consumables again, to cost control
It makes more demanding.For the soft formation among drilling process, the drill bit of relative low price may be employed to complete this part
Drilling process.Although soft-formation bit species is various used by probing at present, most table structure is single, as scraper type bores
Head, it is of simple structure and low cost, but drilling efficiency is relatively low.Chinese patent (public number：CN205117217U one kind) is disclosed
Soft formation drill bit including connector, is provided with circular top plate, top plate bottom is distributed on along the circumferential direction below connector
Multiple brill plates bore plate triangular shape, bore the whole arc-shaped bending of direction of axis line towards top plate of plate；The axial line side of top plate
Supporting rod is installed upwards, supporting rod end set has point；The inside of supporting rod and brill plate, which is both provided with, is connected to connection
The lower end of cooling runner on head, supporting rod and brill plate is both provided with the leadout hole that company is passed through with cooling runner.The utility model
Drill bit using bilayer creep by the way of, soil layer is loosened first, the expansion and the extruding of soil subsequently to drill, this
Kind probing mode has good drilling effect for soft formation, and drill bit has soft formation preferable cutting performance, and optimizes
The mode of drill bit cooling, makes the bit operation more efficient.The utility model is simple in structure, and processing and fabricating is convenient, at low cost, can
For soft formation probing, sampling etc..But the fixed effect of the utility model chuck and connector is undesirable, drill bit was using
It is not sufficiently stable, is easily dropped, it is necessary to make improvements in journey.
Utility model content
The purpose of this utility model is to provide the drill bit structures in a kind of new middle soft formation, possess chuck and company
Connector stablizes fixation, and connector and the disassembly process of chuck are more convenient, not only increase stability, and reduce more
The advantages of time of bit change adds the practicability of the utility model, and using effect is more preferable solves chuck and connector
Fixed effect is undesirable, and drill bit is not sufficiently stable in use, the problem of easily dropping.
To achieve the above object, the utility model provides following technical solution：A kind of drill bit in new middle soft formation
Structure, including drilling rod, centre bore, chuck, connected unit and deflector hole, the centre bore is opened in the inside of drilling rod, the chuck
It is fixedly connected on drilling rod and is fixedly connected on the bottom of chuck close to the surface of its bottom, the connected unit, the connected unit is consolidated
Surely it is connected on drilling rod and is opened in the side of connected unit, the bottom of the connected unit close to the surface of its bottom, the deflector hole
Connector is connected with, through hole, through hole and connection of the connected unit by connector are offered at the top of the connector
Head flexible connection, the top of the connector and the top movable of chuck connect.
Side in the chuck close to its bottom is fixedly connected with fixed block, and the front of the fixed block is fixedly connected with
Movable block, the back side of the fixed block are fixedly connected with fixture block, and the bottom of the fixture block is connected with clamp, the fixture block
Bottom offers spring groove, and the inner wall of the spring groove is fixedly connected with resetting spring, and the top of the clamp passes through fixture block
Spring groove is flexibly connected with fixture block, and the back side of the movable block is fixedly connected with support bar, and the side of the support bar offers
Through hole, the inner wall of the through hole are fixedly connected with fixing axle, and the inside of the fixed block offers sliding slot, and the fixing axle passes through
The sliding slot of fixed block is slidably connected with fixed block, and the bottom of the support bar is connected with pushing block, the fixed block it is interior
Portion offers spring cavity, and the surface of the pushing block is flexibly connected with the inner wall of spring cavity, and the back side of the pushing block, which is fixed, to be connected
Support spring is connected to, the back side of the support spring is fixedly connected with the inner wall of spring cavity, is offered at the top of the connector
Sliding slot, the fixed block and fixture block are flexibly connected by the sliding slot of connector with connector, and the inner wall of the connector sliding slot is opened
Equipped with small sliding slot, the fixture block is clamped by the small sliding slot of connector with connector, and the inner wall of the small sliding slot of connector opens up
Fluted, the clamp is clamped by the groove of the small sliding slot of connector with connector, the sliding slot that the movable block passes through connector
It is flexibly connected with connector.
Preferably, the arc length of the fixed block, movable block and fixture block is equal, and the width of fixed block and movable block is equal.
Preferably, open up fluted at the top of the movable block, and the inner wall of groove is fixedly connected with cross bar.
Preferably, the diameter of the fixing axle is adapted with the width of fixed block sliding slot, and the length and connected unit of sliding slot
It is adapted.
Preferably, the support bar inclined-plane is equal with the gradient on pushing block inclined-plane, and is provided with phase between the two inclined-plane
Matched striped.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model is by setting connector, fixed block, movable block, fixture block, clamp and resetting spring, realizes pair
The primary of chuck is fixed, and fixture block enters in the small sliding slot of connector, and clamp is also combined with the groove in small sliding slot, has centainly
The effect of chuck is locked, while the sliding slot of connector there remains a part, takes advantage of a situation and pushes movable block, movable block reaches fixed block
During bottom, it is impossible to which in movement, and then movable block is combined with the sliding slot of remaining part, and the stabilization for realizing connector and chuck is consolidated
It is fixed.
2nd, the utility model is moved down by setting support bar, fixing axle, pushing block and support spring in movable block
In the process, the inclined-plane of support bar squeezes the inclined-plane of pushing block so that pushing block is returned in the spring cavity of fixed block, in fixing axle and
Under the cooperation of fixed block sliding slot, movable block drives moving down for support bar stabilization, is moved to movable block bottom and fixed block bottom
In same level, fixing axle also reaches the end of fixed block sliding slot in portion, at this time pushing block weight under the promotion of support spring
It is new to squeeze support bar so that support bar has certain lock function, so that movable block has one in connector sliding slot
Fixed stability.
In conclusion by being used cooperatively between the structures such as above-mentioned, solves the fixed effect of chuck and connector not
The problem of ideal, drill bit is not sufficiently stable, easily drops in use, realizes chuck and stablizing for connector is fixed, and
Connector and the disassembly process of chuck are more convenient, not only increase stability, and reduce the time of more bit change, increase
The practicability of the utility model.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model chuck top structure schematic diagram；
Fig. 3 connects overhead structure schematic diagram for the utility model；
Fig. 4 is the utility model clamp positive structure schematic；
Fig. 5 is the utility model chuck Facad structure sectional view；
Fig. 6 moves to polycrystalline substance sectional view for the utility model movable block.
In figure：1- drilling rods, 2- centre bores, 3- chuck, 4- connected units, 5- deflector holes, 6- connectors, 7- fixed blocks, 8- are moved
Motion block, 9- fixture blocks, 10- clamps, 11- resetting springs, 12- support bars, 13- fixing axles, 14- pushing blocks, 15- support springs.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It please refers to Fig.1 to 6, the utility model provides a kind of technical solution：A kind of drill bit knot in new middle soft formation
Structure, including drilling rod 1, centre bore 2, chuck 3, connected unit 4 and deflector hole 5, drilling rod 1 plays connection function, and drilling rod 1 equally plays
The effect of coolant is transported, centre bore 2 is opened in the inside of drilling rod 1, and chuck 3 is fixedly connected on drilling rod 1 close to its bottom
Surface, chuck 3 are fixedly connected on the bottom of chuck 3 for the relation between jointed rod 1 and connector 6, connected unit 4, connect
Platform 4 is combined with the through hole of connector 6, so as to which the cooling passage with 6 through-hole wall of connector is mutually matched, realizes coolant
Stablize conveying, connected unit 4 is fixedly connected on drilling rod 1 and is opened in the side of connected unit 4 close to the surface of its bottom, deflector hole 5,
For conveying coolant in centre bore 2 and deflector hole 5, the temperature for preventing drill bit, brill plate, connected unit 4 and cutting head is excessively high, so as to
Cutting effect is influenced, the bottom of connected unit 4 is connected with connector 6, and the top of connector 6 offers through hole, and connected unit 4 is logical
The through hole for crossing connector 6 is flexibly connected with connector 6, and the top of connector 6 is connected with the top movable of chuck 3, connector 6 with
The fixation of chuck 3 realizes drilling rod 1 and drill bit is driven to rotate, while the conveying that coolant can be stablized.
Side in chuck 3 close to its bottom is fixedly connected with fixed block 7, and the front of fixed block 7 is fixedly connected with movement
Block 8, the top of movable block 8 open up fluted, and the inner wall of groove is fixedly connected with cross bar, and the back side of fixed block 7 is fixedly connected with
Fixture block 9, fixed block 7, movable block 8 are equal with the arc length of fixture block 9, and fixed block 7 is equal with the width of movable block 8, fixed block 7,
Movable block 8 is equal with 9 arc length of fixture block so that and after fixture block 9 enters small sliding slot, the sliding slot of redundance is adapted with movable block 8, Gu
It is equal with the width of movable block 8 to determine block 7 so that fixed block 7 and movable block 8 can more be stablized in sliding slot, the bottom of fixture block 9
Be connected with clamp 10, when clamp 10 and the groove in 6 small sliding slot of connector to it is corresponding when clamp 10 resetting spring 11 work
It is ejected under, so as to be clamped with groove, the bottom of fixture block 9 offers spring groove, and the inner wall of spring groove is fixedly connected with reset
Spring 11, the utility model are real by setting connector 6, fixed block 7, movable block 8, fixture block 9, clamp 10 and resetting spring 11
Showed it is fixed to the primary of chuck 3, fixture block 9 into the small sliding slot of connector 6, clamp 10 also with the groove knot in small sliding slot
It closes, there is the effect of certain locking chuck 3, while the sliding slot of connector 6 there remains a part, takes advantage of a situation and pushes movable block 8,
When movable block 8 reaches 7 bottom of fixed block, it is impossible to which in movement, and then movable block 8 is combined with the sliding slot of remaining part, the company of realizing
Connector 6 stablizes fixation with chuck 3.The top of clamp 10 is flexibly connected by the spring groove of fixture block 9 with fixture block 9, movable block 8
The back side is fixedly connected with support bar 12, and the side of support bar 12 offers through hole, and the inner wall of through hole is fixedly connected with fixing axle 13,
The diameter of fixing axle 13 is adapted with the width of 7 sliding slot of fixed block, and the length of sliding slot is adapted with connected unit 4, when movable block 8
Bottom and fixed block 7 bottom when in same level, fixing axle 13 also reaches the bottom of 7 sliding slot of fixed block, fixed block 7
Inside offer sliding slot, fixing axle 13 is slidably connected by the sliding slot of fixed block 7 with fixed block 7, and the bottom of support bar 12 is lived
Dynamic to be connected with pushing block 14,12 inclined-plane of support bar is equal with the gradient on 14 inclined-plane of pushing block, and is provided between the two inclined-plane
The striped to match is provided between the inclined-plane of the striped to match, support bar 12 and pushing block 14 so that cunning between the two
Dynamic rail mark is more stablized, and movement effects are more preferable, and the inside of fixed block 7 offers spring cavity, the surface of pushing block 14 and spring cavity
Inner wall flexible connection, the back side of pushing block 14 is fixedly connected with support spring 15, the utility model by set support bar 12,
Fixing axle 13, pushing block 14 and support spring 15, during movable block 8 moves down, the inclined-plane extruding of support bar 12 pushes away
The inclined-plane of motion block 14 so that pushing block 14 is returned in the spring cavity of fixed block 7, in the cooperation of 7 sliding slot of fixing axle 13 and fixed block
Under, movable block 8 drives moving down for the stabilization of support bar 12, is moved to 8 bottom of movable block with 7 bottom of fixed block in same level
During face, fixing axle 13 also reaches the end of 7 sliding slot of fixed block, and pushing block 14 squeezes again under the promotion of support spring 15 at this time
Support bar 12 so that support bar 12 has certain lock function, so that movable block 8 has one in 6 sliding slot of connector
Fixed stability.The back side of support spring 15 is fixedly connected with the inner wall of spring cavity, and the top of connector 6 offers sliding slot, Gu
To determine block 7 and fixture block 9 to be flexibly connected with connector 6 by the sliding slot of connector 6, the inner wall of 6 sliding slot of connector offers small sliding slot,
Fixture block 9 is clamped by the small sliding slot of connector 6 with connector 6, and the inner wall of 6 small sliding slot of connector opens up fluted, and clamp 10 is logical
The groove for crossing 6 small sliding slot of connector is clamped with connector 6, and movable block 8 is flexibly connected by the sliding slot of connector 6 with connector 6.
Operation principle：Drill bit structure in the new middle soft formation is in use, first by fixed block 7 and fixture block 9 with connecting
The sliding slot of connector 6 is corresponding, and then slowly fixed block 7 and fixture block 9 are put into the sliding slot of connector 6, blocks after being put into
Platform 3 is contacted with connector 6, is so to rotate clockwise chuck 3 so that fixture block 9 enters in the small sliding slot of connector 6, and clamp 10 exists
Also enter under the extruding of small sliding slot in small sliding slot and be clamped with groove, after fixture block 9 squeezes into small sliding slot completely, it is past to press movable block 8
Lower movement, the inclined-plane of the inclined-plane extruding pushing block 14 of support bar 12 causes pushing block 14 to enter in spring cavity during movement,
When support bar 12 is reached with movable block 8 with 7 bottom level of fixed block under the /V of fixing axle 13, movable block 8 enters in sliding slot,
By extra sliding slot part polishing, while pushing block 14 pops up under the action of support spring 15, and it is certain to give support bar 12
Extruding force so that movable block 8 is more stablized in the sliding slot of connector 6, finally realizes connector 6 and stablizing for chuck 3 connects
It connects, it is necessary to when releasing the fixation of the two, pulls the cross bar on movable block 8 so that movable block 8 resets, and rotates chuck 3 counterclockwise and is
Chuck 3 can be removed from connector 6.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of drill bit structure in new middle soft formation, including drilling rod (1), centre bore (2), chuck (3), connected unit (4)
With deflector hole (5), the centre bore (2) is opened in the inside of drilling rod (1), and the chuck (3) is fixedly connected on drilling rod (1) and leans on
The surface of its nearly bottom, the connected unit (4) are fixedly connected on the bottom of chuck (3), and the connected unit (4) is fixedly connected on brill
On bar (1) side of connected unit (4) is opened in close to the surface of its bottom, the deflector hole (5), it is characterised in that：The company
The bottom for connecing platform (4) is connected with connector (6), and through hole, the connected unit (4) are offered at the top of the connector (6)
It is flexibly connected by the through hole of connector (6) with connector (6), the top of the connector (6) and the top movable of chuck (3)
Connection；
Fixed block (7) is fixedly connected with close to the side of its bottom on the chuck (3), the front of the fixed block (7) is fixed
Movable block (8) is connected with, the back side of the fixed block (7) is fixedly connected with fixture block (9), and the bottom activity of the fixture block (9) is even
Clamp (10) is connected to, the bottom of the fixture block (9) offers spring groove, and the inner wall of the spring groove is fixedly connected with resetting spring
(11), the top of the clamp (10) is flexibly connected by the spring groove of fixture block (9) with fixture block (9), the back of the body of the movable block (8)
Face is fixedly connected with support bar (12), and the side of the support bar (12) offers through hole, and the inner wall of the through hole is fixedly connected
There is fixing axle (13), the inside of the fixed block (7) offers sliding slot, the sliding slot that the fixing axle (13) passes through fixed block (7)
It is slidably connected with fixed block (7), the bottom of the support bar (12) is connected with pushing block (14), the fixed block (7)
Inside offers spring cavity, and the surface of the pushing block (14) is flexibly connected with the inner wall of spring cavity, the pushing block (14)
The back side is fixedly connected with support spring (15), and the back side of the support spring (15) is fixedly connected with the inner wall of spring cavity, described
Sliding slot, the sliding slot and connector that the fixed block (7) and fixture block (9) pass through connector (6) are offered at the top of connector (6)
(6) it is flexibly connected, the inner wall of connector (6) sliding slot offers small sliding slot, and the fixture block (9) passes through the small of connector (6)
Sliding slot and connector (6) are clamped, and the inner wall of the small sliding slot of the connector (6) opens up fluted, and the clamp (10) passes through connection
The groove of head (6) small sliding slot is clamped with connector (6), and the movable block (8) passes through the sliding slot of connector (6) and connector (6)
Flexible connection.
2. the drill bit structure in a kind of new middle soft formation according to claim 1, it is characterised in that：The fixed block
(7), the arc length of movable block (8) and fixture block (9) is equal, and the width of fixed block (7) and movable block (8) is equal.
3. the drill bit structure in a kind of new middle soft formation according to claim 1, it is characterised in that：The movable block
(8) open up fluted at the top of, and the inner wall of groove is fixedly connected with cross bar.
4. the drill bit structure in a kind of new middle soft formation according to claim 1, it is characterised in that：The fixing axle
(13) diameter is adapted with the width of fixed block (7) sliding slot, and the length of sliding slot is adapted with connected unit (4).
5. the drill bit structure in a kind of new middle soft formation according to claim 1, it is characterised in that：The support bar
(12) inclined-plane is equal with the gradient on pushing block (14) inclined-plane, and the striped to match is provided between the two inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562949.6U CN207436920U (en) | 2017-11-21 | 2017-11-21 | A kind of drill bit structure in new middle soft formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562949.6U CN207436920U (en) | 2017-11-21 | 2017-11-21 | A kind of drill bit structure in new middle soft formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436920U true CN207436920U (en) | 2018-06-01 |
Family
ID=62287100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562949.6U Active CN207436920U (en) | 2017-11-21 | 2017-11-21 | A kind of drill bit structure in new middle soft formation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718465A (en) * | 2022-04-18 | 2022-07-08 | 中南大学 | Dynamic pulling-shearing tunneling drill bit and composite rock breaking method |
-
2017
- 2017-11-21 CN CN201721562949.6U patent/CN207436920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718465A (en) * | 2022-04-18 | 2022-07-08 | 中南大学 | Dynamic pulling-shearing tunneling drill bit and composite rock breaking method |
| CN114718465B (en) * | 2022-04-18 | 2023-05-26 | 中南大学 | Dynamic pull-shear tunneling drill bit and composite rock breaking method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207436920U (en) | A kind of drill bit structure in new middle soft formation | |
| CN105569569A (en) | Novel inwards pushing and directional type rotation guiding tool | |
| CN106837179A (en) | Soft and broken seam bore expanded hole device | |
| CN104234632A (en) | Bottom reaming bit | |
| CN211624610U (en) | Quick installation base for oil drilling pump | |
| CN208146956U (en) | A kind of drilling machine being conveniently replaceable drill bit | |
| CN203347749U (en) | Composite tube scraper | |
| CN205117217U (en) | Drill bit for soft formation | |
| CN214946888U (en) | Oil pipe fixing device for oil drilling | |
| CN108526932A (en) | A kind of drill bit being conveniently replaceable | |
| CN207813517U (en) | Anti- mud drum reducing centralizer | |
| CN208946375U (en) | A kind of Furniture manufacturing drilling machine for being conveniently replaceable drill bit | |
| CN209430390U (en) | A kind of drilling pump guide plate repairing device | |
| CN109738172B (en) | Wear monitoring device of normal pressure tool changing device | |
| CN208845125U (en) | Heavy weight drill pipe fastening frame | |
| CN207750031U (en) | A kind of aluminium alloy rolling shutter | |
| CN208010296U (en) | With pipe guider | |
| CN217055079U (en) | Fisher convenient to store for drilling exploitation | |
| CN204920830U (en) | Prop up variable footpath sleeve pipe centralizer of rod -type | |
| CN206035385U (en) | Modular combination reamer | |
| CN204024478U (en) | A kind of bottom expanding drill | |
| CN207940912U (en) | A kind of backbone High speed drill that the length of the bit multistage is adjusted | |
| CN112502479B (en) | Adjustable support and construction method thereof | |
| CN217647562U (en) | Drilling machine capable of quickly replacing die sleeve | |
| CN208669572U (en) | A kind of novel slush pump extractor cylinder core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |