CN206246049U - A kind of water-cooled rock drill - Google Patents
A kind of water-cooled rock drill Download PDFInfo
- Publication number
- CN206246049U CN206246049U CN201620965473.XU CN201620965473U CN206246049U CN 206246049 U CN206246049 U CN 206246049U CN 201620965473 U CN201620965473 U CN 201620965473U CN 206246049 U CN206246049 U CN 206246049U
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- China
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- water
- head
- cavity
- bit shank
- water cavity
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of water-cooled rock drill, including head, turning set is set with head, there is water cavity d and cavity c between the outer wall of turning set and the inwall of head, by leading to the cooling that cooling water can realize head in water cavity d and cavity c.The utility model uses such scheme, with advantages below：The temperature on head surface can be greatly reduced, the temperature of head outer surface can be made to be maintained at 28 32 DEG C or so, effectively prevent the injury in operation to operator；Heat expansion is eliminated to head and the influence of inner room fit clearance is rotated, reduced because of the vibration of the rock drill that gap increase causes；The abrasion of bit shank sleeve hexagonal hole and drill steel afterbody can be effectively reduced, service life is improve.
Description
Technical field
The utility model create be related to a kind of water-cooled rock drill, particularly relate to a kind of colliery, metallurgy, railway,
The water-cooled rock drill that can be in high volume used in traffic, water conservancy, capital construction and national defence stonework.
Background technology
The operation principle of rock drill is：Compressed air with air compressor machine output controls piston past as power by aggressive valve
Multiple motion, during stroke, piston impact drill steel and bore bit dig crushed rocks；During backhaul, piston driving drill steel and bore bit revolution are certain
Angle.Continuous impact, revolution make drill steel and bore bit that circular blasthole is dug out on rock.
The rotary motion of rock drill is to export the bit shank for arriving drill steel by the bit shank sleeve in turning set, and drill steel drives bore bit rotation
Turn, so as to circular port can be dug out on rock.
Rock drill can produce heat during rotary motion is formed, and the generation of this heat is from turning set and chisel
Spin friction and sliding friction between rock machine head.The frequency of impact of rock drill is more than 2200 times/minute, mutual lubrication
It is lubricated by the mist of oil being atomized by compressed air.
Rock drill in one hole stream time of Drilling at 15 minutes or so, the head outer surface in this course of work
Temperature can reach 100 DEG C or so.Gap is big between bit shank sleeve and drill steel simultaneously, and sliding friction and rotary friction are there is also therebetween
Wipe；Drill steel afterbody subjects greater impact power, and temperature can reach 300 DEG C during being measured with infrared thermometer.Aggravation bit shank sleeve
The abrasion of hexagonal hole and drill steel afterbody.
Operator changes drill steel for convenience in the course of the work, often with the bottom of glove hand rest head, this
When will scald operator.
Simultaneously because the effect expanded with heat and contract with cold, will increase the fit clearance of the two during production.Because gap is big, bit shank
Set is inherently big with drill steel gap, and such rock drill rocks increasing at work, and the vibration that operates is severe, increased operator
Labour intensity.The increase in gap, also reduces lubricant effect, exacerbates the abrasion of part.
Utility model content
Problem to be solved in the utility model is directed to above mentioned problem and provides one kind can effectively reduce bit shank sleeve hexagonal hole
With the abrasion of drill steel afterbody, service life is improved, reduce shaking for rock drill generation
It is dynamic, the water-cooled rock drill of surface temperature when head works can be greatly reduced.
In order to solve the above problems, the utility model uses following technical scheme：A kind of water-cooled rock drill, including machine
Head, is set with turning set in head, have water cavity d and cavity c between the outer wall of turning set and the inwall of head, by water cavity
Lead to the cooling that cooling water can realize head in d and cavity c.
The following is further improvement of the utility model：
Be set with piston and bit shank sleeve in turning set, the inwall of the end of piston and the end of bit shank sleeve and turning set it
Between form the second water cavity, the second water cavity is interconnected with water cavity d, leads to cooling water in the second water cavity, the second water cavity can but water
Water cavity d is flowed into cool down head.
Further improve：
Drill steel bit shank is set with bit shank sleeve, water cavity b, water cavity are formed between the outer wall of drill steel bit shank and the inwall of bit shank sleeve
B connects the second water cavity with cavity c, and cooling water enters cavity c after the second water cavity, water cavity b.
Further improve：
The liquid drugs injection of water supply chamber d water supply is provided with piston, the water side of liquid drugs injection is by extending through the second water cavity in piston
It is arranged in bit shank sleeve, the position on liquid drugs injection near the second water cavity offers the left apopore of liquid drugs injection and the right apopore of liquid drugs injection.
Further improve：
The outer sheath of liquid drugs injection is equipped with air tube, and the outlet side of air tube is positioned close to the position of pistons end.
Further improve：
Turning set includes the first component and second component of integrally connected, and first component is cylindrical shape structure with second component
Part, first component is coaxially disposed with second component, the external diameter of the external diameter more than second component of first component.
Further improve：
Second component has circular outer side face, has first annular lug boss and the second convex annular on circular outer side face
The portion of rising, first annular lug boss is positioned close to the position of first component, and the second annular relief is arranged on the end of second component
Portion.
Further improve：
The second circumferential groove is offered in first annular projection, near the position of the second annular relief on circular outer side face
Put and offer the first circumferential groove.
Further improve：
The first upright opening is offered in first circumferential groove, the axis of the first upright opening is vertical with the axis of second component,
First upright opening is through hole；
Turning set inclined hole is offered in second circumferential groove, turning set inclined hole is obliquely installed, turning set inclined hole is through hole；
First annular projection is consistent with the external diameter of the second annular relief, first annular raised and the second annular relief
External diameter is respectively greater than the external diameter of circular outer side face；
The external diameter of the second circumferential groove is consistent with the external diameter of circular outer side face, and the external diameter of first circumferential groove is less than
The external diameter of circular outer side face.
Further improve：
Head is cylindrical shell, on the inwall of head with the second circumferential groove relative to position offer head inner circle
Circumferential groove, forms water cavity d between head Internal locking groove and the second circumferential groove, turning set inclined hole is connected with water cavity d；
Cavity c is formed between circular outer side face and the inwall of head, the first upright opening is connected with cavity c；
Second water cavity is connected by turning set inclined hole with water cavity d；
On the outer wall of the bit shank sleeve with the first upright opening relative to position offer bit shank sleeve circumferential groove, bit shank sleeve
Inwall on the position corresponding with bit shank sleeve circumferential groove offer bit shank sleeve Internal locking groove, bit shank sleeve circumferential groove and bit shank
The second upright opening is provided between set Internal locking groove, the second upright opening is vertically arranged with the axis of bit shank sleeve；
Second upright opening is connected with the first upright opening；
Water cavity b is connected with the second upright opening；
Head inclined hole is offered on the head, head inclined hole is connected with cavity c.
The utility model uses such scheme, with advantages below：
1st, the temperature on head surface can be greatly reduced, can protects the temperature of head outer surface
Hold at 28-32 DEG C or so, effectively prevent the injury in operation to operator；
2nd, heat expansion is eliminated to head and the influence of inner room fit clearance is rotated, and is reduced because between
The vibration of the rock drill that gap increase causes；
3rd, the abrasion of bit shank sleeve hexagonal hole and drill steel afterbody can be effectively reduced, service life is improve.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment；
Accompanying drawing 2 is the structural representation of turning set in the utility model.
In figure：1- air tubes；2- liquid drugs injections；3- heads；3A- head Internal locking grooves；4- turning sets；401- first components；402-
Second component；5- bit shank sleeves；The left apopore of A- liquid drugs injections；The right apopore of B- liquid drugs injections；C- turning set inclined holes；D- pistons；Outside E- first
Circumferential groove；E1- circular outer side faces；The circumferential grooves of E2- second；The first annular lug bosses of E3-；The annular reliefs of E4- second；F-
First upright opening；G- bit shank sleeve circumferential grooves；The upright openings of H- second；I- bit shank sleeve Internal locking grooves；J- head inclined holes；K- drill steel prickers
Tail；S1- water cavities a；S2- water cavities b；S3- cavitys c；S4- water cavities d.
Specific embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of water-cooled rock drill, including head 3, it is set with turning set 4 in head 3.
Turning set 4 includes the first component 401 and second component 402, first component 401 and second component of integrally connected
402 are circle tube member, and first component 401 is coaxially disposed with second component 402, and the external diameter of first component 401 is more than second
The external diameter of component 402.
Second component 402 have circular outer side face E1, on circular outer side face E1 have first annular lug boss E3 and
Second annular relief E4, first annular lug boss E3 is positioned close to the position of first component 401, the second annular relief E4
It is arranged on the end of second component 402.
The second circumferential groove E2 is offered on first annular raised E3, near the second annular protrusion on circular outer side face E1
The position of portion E4 offers the first circumferential groove E.
The first upright opening F, the axis of the first upright opening F and the axis of second component 402 are offered in first circumferential groove E
Vertically, the first upright opening F is through hole.
Turning set inclined hole C is offered in second circumferential groove E2, turning set inclined hole C is obliquely installed, and turning set inclined hole C is logical
Hole.
First annular raised E3 is consistent with the external diameter of the second annular relief E4, first annular raised E3 and the second convex annular
The external diameter for playing portion E4 is respectively greater than the external diameter of circular outer side face E1,
The external diameter of the second circumferential groove E2 is consistent with the external diameter of circular outer side face E1, and the first circumferential groove E's is outer
External diameter of the footpath less than circular outer side face E1.
Head 3 be cylindrical shell, on the inwall of head 3 with the second circumferential groove E2 relative to position offer head
Water cavity dS4, turning set inclined hole C and water cavity dS4 are formed between Internal locking groove 3A, head Internal locking groove 3A and the second circumferential groove E2
Connection.
Formation water cavity cS3 between the inwall of circular outer side face E1 and head 3, the first upright opening F are connected with water cavity cS3.
Piston D and bit shank sleeve 5 are provided with the turning set 4, piston D is slidably connected in turning set 4, and bit shank sleeve 5 is fixed
It is connected in turning set 4, bit shank sleeve 5 and the interference fit of turning set 4.
The position being located between piston D and bit shank sleeve 5 in the turning set 4 is provided with water cavity aS1, and water cavity aS1 is by rotating
Set inclined hole C is connected with water cavity dS4.
Air tube 1 is set with the piston D, the outlet side of air tube 1 is positioned close to the position of piston D ends.
The water side of liquid drugs injection 2 is set with air tube 1 to be arranged in bit shank sleeve 5 by extending through water cavity aS1 in piston D.
Position on liquid drugs injection 2 near water cavity aS1 offers the left apopore A of the liquid drugs injection and right apopore B of liquid drugs injection.
On the outer wall of the bit shank sleeve 5 with the first upright opening F relative to position offer bit shank sleeve circumferential groove G, pricker
The position corresponding with bit shank sleeve circumferential groove G offers bit shank sleeve Internal locking groove I, bit shank sleeve excircle on the inwall of tail sleeve 5
The second upright opening H is provided between groove G and bit shank sleeve Internal locking groove I, the second upright opening H is vertically arranged with the axis of bit shank sleeve 5.
Second upright opening H is connected with the first upright opening F.
Drill steel bit shank K is set with bit shank sleeve 5, there is gap, bit shank sleeve 5 and drill steel between bit shank sleeve 5 and drill steel bit shank K
Gap between bit shank K is water cavity bS2, and water cavity bS2 is connected with the second upright opening H.
Head inclined hole J is offered on the head 3, head inclined hole J is connected with water cavity cS3.
Rock drill starts to open water valve during normal work, and water enters into liquid drugs injection 2, into the water in liquid drugs injection 2 by liquid drugs injection 2
The left apopore A of liquid drugs injection, the right apopore B of liquid drugs injection initially enter pool S1, and water inlet is classified into two-way：Cooling water passes through turning set all the way
4 inclined hole C enters into water cavity aS4, and the head 3 and the position of turning set 4 to this region are cooled down；Another road then enters into pricker
Gap between the hexagonal hole and drill steel bit shank K of tail sleeve 5 forms water cavity bS2 and the interior hexagonal hole and drill steel bit shank K of bit shank sleeve 5 is carried out
Cooling；This part water is flowed into the right outside the bit shank sleeve Internal locking groove I of bit shank sleeve 5, the second upright opening H, bit shank sleeve simultaneously
First upright opening F of circumferential groove G and turning set 4, the first circumferential groove E enter into water cavity cS3, to the part of head 3 at this position
Cooled down with the part of turning set 4, will be discharged from the head inclined hole J of head 3 after cooling water cooling.
In rock drill normal work, air tube endoporus has a compressed air to air tube 1 all the time, such compressed gas by cooling water forward
Blow without flowing backwards backward.Liquid drugs injection 2 is sleeved in the endoporus of air tube 1, and larger gap is there are therebetween, and compressed air will
Pressurizeed to the right from the water of the left apopore A of the liquid drugs injection of liquid drugs injection 2, the right apopore B outflows of liquid drugs injection（Blow to the right）, enter sufficiently into water cavity
aS1。
In rock drill normal work, there are compressed gas inside air tube 1 always, liquid drugs injection 2 is enclosed within the endoporus of air tube 1, so
Compressed gas by cooling water to fore blow without flowing backwards backward, be maintained at 30 DEG C of normal temperature through multiple repeated measurement head hull-skin temperature
Left and right.
Claims (10)
1. a kind of water-cooled rock drill, including head（3）, head（3）Inside it is set with turning set（4）, it is characterised in that：Turning set
（4）Outer wall and head（3）Inwall between have water cavity d（S4）And cavity c（S3）, by water cavity d（S4）And cavity c
（S3）Interior logical cooling water can realize head（3）Cooling.
2. water-cooled rock drill according to claim 1, it is characterised in that：Turning set（4）Inside it is set with piston（D）And pricker
Tail sleeve（5）, piston（D）End and bit shank sleeve（5）End and turning set（4）Inwall between form water cavity a（S1）, water
Chamber a（S1）With water cavity d（S4）It is interconnected, in water cavity a（S1）Interior logical cooling water, water cavity a（S1）But can flow into water cavity d by water
（S4）To head（3）Cooled down.
3. water-cooled rock drill according to claim 2, it is characterised in that：Bit shank sleeve（5）Inside it is set with drill steel bit shank
（K）, drill steel bit shank（K）Outer wall and bit shank sleeve（5）Inwall between form water cavity b（S2）, water cavity b（S2）By water cavity a（S1）
With cavity c（S3）Connection, cooling water is through water cavity a（S1）, water cavity b（S2）Enter cavity c afterwards（S3）.
4. water-cooled rock drill according to claim 3, it is characterised in that：Piston（D）Inside it is provided with water supply chamber d
（S4）The liquid drugs injection of water supply（2）, liquid drugs injection（2）Water side by piston（D）Inside extend through water cavity a（S1）It is arranged on bit shank sleeve（5）
It is interior, liquid drugs injection（2）It is upper to be close to water cavity a（S1）Position offer the left apopore of liquid drugs injection（A）And the right apopore of liquid drugs injection（B）.
5. water-cooled rock drill according to claim 4, it is characterised in that：Liquid drugs injection（2）Outer sheath be equipped with air tube（1）,
Air tube（1）Outlet side be positioned close to piston（D）The position of end.
6. water-cooled rock drill according to claim 5, it is characterised in that：Turning set（4）Including integrally connected first
Component（401）And second component（402）, first component（401）With second component（402）It is circle tube member, first component
（401）With second component（402）It is coaxially disposed, first component（401）External diameter be more than second component（402）External diameter.
7. water-cooled rock drill according to claim 6, it is characterised in that：Second component（402）With circular outer circumference
Face（E1）, circular outer side face（E1）It is upper that there is first annular lug boss（E3）And second annular relief（E4）, it is first annular
Lug boss（E3）It is positioned close to first component（401）Position, the second annular relief（E4）It is arranged on second component（402）
End.
8. water-cooled rock drill according to claim 7, it is characterised in that：First annular projection（E3）On offer second
Circumferential groove（E2）, circular outer side face（E1）It is upper to be close to the second annular relief（E4）Position offer the first circumferential groove
（E）.
9. water-cooled rock drill according to claim 8, it is characterised in that：
First circumferential groove（E）Inside offer the first upright opening（F）, the first upright opening（F）Axis and second component（402）'s
Axis is vertical, the first upright opening（F）It is through hole；
Second circumferential groove（E2）Inside offer turning set inclined hole（C）, turning set inclined hole（C）It is obliquely installed, turning set inclined hole（C）
It is through hole；
First annular projection（E3）With the second annular relief（E4）External diameter it is consistent, first annular projection（E3）With the second annular
Lug boss（E4）External diameter be respectively greater than circular outer side face（E1）External diameter；
Second circumferential groove（E2）External diameter and circular outer side face（E1）External diameter it is consistent, first circumferential groove（E）'s
External diameter is less than circular outer side face（E1）External diameter.
10. water-cooled rock drill according to claim 9, it is characterised in that：
Head（3）It is cylindrical shell, head（3）Inwall on the second circumferential groove（E2）Relative to position open up organic
Head Internal locking groove（3A）, head Internal locking groove（3A）With the second circumferential groove（E2）Between form water cavity d（S4）, turning set inclined hole
（C）With water cavity d（S4）Connection；
Circular outer side face（E1）With head（3）Inwall between form cavity c（S3）, the first upright opening（F）With cavity c（S3）
Connection；
Water cavity a（S1）By turning set inclined hole（C）With water cavity d（S4）Connection；
The bit shank sleeve（5）Outer wall on the first upright opening（F）Relative to position offer bit shank sleeve circumferential groove（G）,
Bit shank sleeve（5）Inwall on bit shank sleeve circumferential groove（G）Corresponding position offers bit shank sleeve Internal locking groove（I）, bit shank
Set circumferential groove（G）With bit shank sleeve Internal locking groove（I）Between be provided with the second upright opening（H）, the second upright opening（H）With bit shank sleeve
（5）Axis be vertically arranged；
Second upright opening（H）With the first upright opening（F）Connection；
Water cavity b（S2）With the second upright opening（H）Connection；
The head（3）On offer head inclined hole（J）, head inclined hole（J）With cavity c（S3）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965473.XU CN206246049U (en) | 2016-08-29 | 2016-08-29 | A kind of water-cooled rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965473.XU CN206246049U (en) | 2016-08-29 | 2016-08-29 | A kind of water-cooled rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246049U true CN206246049U (en) | 2017-06-13 |
Family
ID=58998873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620965473.XU Withdrawn - After Issue CN206246049U (en) | 2016-08-29 | 2016-08-29 | A kind of water-cooled rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150351A (en) * | 2016-08-29 | 2016-11-23 | 山东天瑞重工有限公司 | Water-cooled rock drill |
| CN107558927A (en) * | 2017-08-18 | 2018-01-09 | 李占福 | A kind of rock drill for cooling down the side's drill steel of rubber corselet shoulder type six |
-
2016
- 2016-08-29 CN CN201620965473.XU patent/CN206246049U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150351A (en) * | 2016-08-29 | 2016-11-23 | 山东天瑞重工有限公司 | Water-cooled rock drill |
| CN106150351B (en) * | 2016-08-29 | 2018-02-09 | 山东天瑞重工有限公司 | Water-cooled rock drill |
| CN107558927A (en) * | 2017-08-18 | 2018-01-09 | 李占福 | A kind of rock drill for cooling down the side's drill steel of rubber corselet shoulder type six |
| CN107558927B (en) * | 2017-08-18 | 2019-11-29 | 宿州青果知识产权服务有限公司 | A kind of rock drill cooling down six side's drill steel of rubber corselet shoulder type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20180209 |