CN103939027B - The sinker bar structure of damping noise abatement - Google Patents
The sinker bar structure of damping noise abatement Download PDFInfo
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- CN103939027B CN103939027B CN201410071250.4A CN201410071250A CN103939027B CN 103939027 B CN103939027 B CN 103939027B CN 201410071250 A CN201410071250 A CN 201410071250A CN 103939027 B CN103939027 B CN 103939027B
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- drilling rod
- groove
- double helix
- bar structure
- noise abatement
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Abstract
The present invention relates to a kind of sinker bar structure of damping noise abatement, comprise its central axis to the drilling rod for hollow-core construction, be located at the drill bit of an end face of drilling rod axis, be placed in is axially the spring in the drilling rod of hollow-core construction, be arranged in drilling rod the fixed block of the bottom of the one end with drill bit, be opened in the upper double helix draw-in groove on relative edge, the axial other end of drilling rod respectively, laterally be placed on the stull axle that on double helix draw-in groove and its two ends exceed double helix draw-in groove outer, be sleeved on the drilling rod top cover at drilling rod top; This invention is when reverse turn operation, and it can clash into the drilling rod of bottom and drill bit carries out operation; Drive drilling rod and bit to carry out operation when rotating forward operates.
Description
Technical field:
The invention belongs to field of mechanical technique, being specifically related to a kind of sinker bar structure of the damping noise abatement for boring hard layer.
Background technology:
The actual requirement of boring or fragmentation, decide the development characteristic of the effectiveness of performance of current drill bit etc., and in reality when punching a hole or broken material time, as the fragmentation of body of wall when or housing demolition broken at the road of urban district internal cause engineering factor needs local and piling boring when building viaduct, all produce some defects, during such as, body of wall broken at city's internal road broken, noise is large, ear-piercing; Self gravitation is relied on to realize percussive drilling simply by virtue of the height lifting drilling rod entirety during piling boring, its efficiency is not high like this, also be difficult to be squeezed into carry out fragmentation, and drill bit is easily worn or damages, be therefore badly in need of drill bit structure or device that development is applicable to reality need.Fast development economic at present still more, there is a large amount of railways, the development & construction of the infrastructure such as highway, harbour and factory building, simultaneously also with engineerings such as a large amount of impact roadbeds, impact rotary head for being contained on Churn drill, concrete foundation, wall, brick wall, rock are holed or fragmentation.
Summary of the invention:
The object of the invention is to overcome problems of the prior art and the sinker bar structure that the damping noise abatement that a kind of impact strength is high, noise is little, target efficiency is high is provided.
Technical scheme of the present invention is achieved in that the sinker bar structure of damping noise abatement, comprises
-one drilling rod, its central axis is to being hollow-core construction;
-one drill bit, is located at an end face of drilling rod axis;
-one spring, is placed in the drilling rod axially for hollow-core construction;
-one fixed block, is arranged in drilling rod the bottom of the one end with drill bit, for one end of fixing spring;
Double helix draw-in groove on-one, is opened on relative edge, the axial other end of drilling rod respectively;
-one stull axle, be laterally placed on double helix draw-in groove, and its two ends exceeds double helix draw-in groove, and it exceeds part for supporting following drilling rod top cover for the other end of fixing following spring;
-one drilling rod top cover, it is sleeved on the top of drilling rod.
The top of drilling rod top cover is regular polygon prism shape, and bottom is cylindrical shape;
Suit mouth is offered in drilling rod top cover lower end surface;
Top end face in suit mouth is provided with and the lower double helix shape draw-in groove being laterally placed with the upper double helix shape draw-in groove corresponding matching of stull axle;
The edge relative in drilling rod top cover bottom offers stull shaft relief respectively.
Drill bit is located at an end face of drilling rod axis and is structure as a whole with drilling rod.
Be extension spring at described spring.
One end of described spring is placed in the bottom of fixed block, and fixes by fixed block center with along the screw that fixed block periphery equidistant position is arranged.
Be fixed with in the middle of the described stull axle and stull axle perpendicular and interspersed in the spring between the guide peg of position.
Good effect of the present invention: the spring arranged in the sinker bar structure of this damping noise abatement is when reverse turn operation, because along with stull axle rotates on the upper double helix draw-in groove of drilling rod upper end, thus the spring that stretched, when stull axle turns to most significant end by the spiral channel least significant end of drilling rod upper end, stretching due to spring makes it save elastic force, when falling suddenly, the elastic force release of savings, the active force making drill bit downward increases greatly, this elastic force effect work mainly relying on spring to save when being reversion, it also can reduce apparatus to the noise producing shrillness during drill steel hits simultaneously, when rotating forward operates time, the two ends due to stull axle are stuck on upper double helix draw-in groove, and it can drive drilling rod to rotate, and then drill bit rotational can be driven to carry out operation, in a word when reverse turn operation, drilling rod and the drill bit of this device shock bottom carry out operation, drive drilling rod and bit to carry out operation when rotating forward operates.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of drilling rod in the present invention.
Fig. 2 is the partial structurtes sectional view of drilling rod in the present invention.
Fig. 3 is the structural representation of drilling rod top cover in the present invention.
Fig. 4 is the structural representation that in the present invention, drilling rod top cover is arranged on drilling rod upper end.
In figure: drilling rod 1, drill bit 2, upper double helix shape draw-in groove 3, stull axle 4, spring 5, fixed block 6, drilling rod top cover 7, stull shaft relief 8, guide peg 9, bore screw 10, suit mouth 11, lower double helix shape draw-in groove 12.
Detailed description of the invention:
Embodiment: as Figure 1-4, the sinker bar structure of this damping noise abatement comprises drilling rod 1, and its central axis is to being hollow-core construction;
Drill bit 2, is located at an end face of drilling rod 1 axis;
Spring 5, is placed in the drilling rod axially for hollow-core construction;
Fixed block 6, is arranged in drilling rod the bottom of the one end with drill bit, for one end of fixing spring 5;
Upper double helix draw-in groove 3, is opened on relative edge, the axial other end of drilling rod 1 respectively;
Stull axle 4, be laterally placed on double helix draw-in groove 3, and its two ends exceeds double helix draw-in groove 3, and it exceeds part for supporting following drilling rod top cover 7 for the other end of fixing following spring 5;
Drilling rod top cover 7, it is sleeved on the top of drilling rod 1;
The top of drilling rod top cover 7 is regular polygon prism shape, and bottom is cylindrical shape;
Suit mouth 11 is offered in drilling rod top cover 7 lower end surface;
Top end face in suit mouth 11 is provided with and the lower double helix shape draw-in groove 12 being laterally placed with upper double helix shape draw-in groove 3 corresponding matching of stull axle 4;
The edge relative in drilling rod top cover 7 bottom offers stull shaft relief 8 respectively;
Drill bit 2 is located at an end face of drilling rod 1 axis and is structure as a whole with drilling rod 1;
Be extension spring at described spring 5, extension spring is the helical spring bearing axial tension, and it is not when bearing load, is all generally and tight very close to each other between the circle of extension spring and circle;
One end of described spring 5 is placed in the bottom of fixed block 6, and fixes by fixed block 6 center with along the screw that fixed block periphery equidistant position is arranged;
Guide peg 9 that is perpendicular with stull axle 4 and that intert in spring 5 centre position is fixed with in the middle of described stull axle 4;
Described drill bit 2 is provided with bore screw 10;
Fixing rear its in two ends of spring 5 is in natural length state;
The spring 5 arranged in the sinker bar structure of this damping noise abatement is when reverse turn operation, because along with stull axle 4 rotates on the upper double helix draw-in groove 3 of drilling rod 1 upper end, thus the spring 5 that stretched, when stull axle 5 turns to most significant end by double helix draw-in groove 3 least significant end of drilling rod 1 upper end, stretching due to spring 5 makes it save elastic force, when falling suddenly, the elastic force release of savings, the downward active force of drill bit 2 is increased greatly, this elastic force effect work mainly relying on spring 5 to save when being reversion, it also can reduce the noise producing shrillness when apparatus impacts drilling rod 1 simultaneously, when rotating forward operates time, the two ends due to stull axle 4 are stuck on upper double helix draw-in groove 3, and it can drive drilling rod 1 to rotate, and then drill bit 2 rotation can be driven to carry out operation, in a word when reverse turn operation, drilling rod 1 and the drill bit 2 of this device shock bottom carry out operation, drive drilling rod 1 and drill bit 2 to rotate to carry out operation when rotating forward operates.
During application, drilling rod top cover 7 upper end of this invention is arranged on the corresponding interface of other power-equipments, makes it rotate forward equipment, then drive drilling rod 1 and drill bit 2 to rotate and carry out operation; Make it reverse equipment, then drive drilling rod top cover 7 to clash into the drilling rod 1 of bottom and drill bit 2 carries out operation.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly.
Claims (6)
1. the sinker bar structure of damping noise abatement, comprising:
Drilling rod (1), its central axis is to being hollow-core construction;
Drill bit (2), is located at the end face that drilling rod (1) is axial;
It is characterized in that:
Spring (5), is placed in the drilling rod axially for hollow-core construction;
Fixed block (6), is arranged in drilling rod the bottom of the one end with drill bit;
Upper double helix draw-in groove (3), is opened on relative edge, drilling rod (1) axial other end respectively;
Stull axle (4), be laterally placed on double helix draw-in groove (3), and its two ends exceeds double helix draw-in groove (3);
Drilling rod top cover (7), it is sleeved on the top of drilling rod (1).
2. the sinker bar structure of damping noise abatement according to claim 1, is characterized in that:
The top of drilling rod top cover (7) is regular polygon prism shape, and bottom is cylindrical shape;
Suit mouth (11) is offered in drilling rod top cover (7) lower end surface;
Top end face in suit mouth (11) is provided with and the lower double helix shape draw-in groove (13) being laterally placed with upper double helix shape draw-in groove (3) corresponding matching of stull axle (4);
Stull shaft relief (8) is offered respectively at the edge that drilling rod top cover (7) bottom is relative.
3. the sinker bar structure of damping noise abatement according to claim 1, is characterized in that: drill bit (2) is located at the axial end face of drilling rod (1) and is structure as a whole with drilling rod (1).
4. the sinker bar structure of damping noise abatement according to claim 1, is characterized in that: described spring (5) is extension spring.
5. the sinker bar structure of damping noise abatement according to claim 1, is characterized in that: one end of described spring (5) is placed in the bottom of fixed block (6), and fixes by fixed block (6) center with along the screw that fixed block periphery equidistant position is arranged.
6. the sinker bar structure of damping noise abatement according to claim 1, is characterized in that: in the middle of described stull axle (4), be fixed with guide peg (9) that is perpendicular with stull axle (4) and that intert in spring (5) centre position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071250.4A CN103939027B (en) | 2014-03-01 | 2014-03-01 | The sinker bar structure of damping noise abatement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071250.4A CN103939027B (en) | 2014-03-01 | 2014-03-01 | The sinker bar structure of damping noise abatement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939027A CN103939027A (en) | 2014-07-23 |
| CN103939027B true CN103939027B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071250.4A Expired - Fee Related CN103939027B (en) | 2014-03-01 | 2014-03-01 | The sinker bar structure of damping noise abatement |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663748A (en) * | 2005-04-12 | 2005-09-07 | 贺启宇 | Low-noise strong-impact weak-recoil electric hammer drill |
| CN101871326A (en) * | 2009-04-24 | 2010-10-27 | 包尔机械有限公司 | Boring rod set |
| CN203822179U (en) * | 2014-03-01 | 2014-09-10 | 河南华生科能机电科技有限公司 | Shock-absorbing and noise-reducing impact drill rod structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0689625A (en) * | 1992-09-04 | 1994-03-29 | Ngk Insulators Ltd | Fault indicator of lightning arrester insulator device |
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2014
- 2014-03-01 CN CN201410071250.4A patent/CN103939027B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663748A (en) * | 2005-04-12 | 2005-09-07 | 贺启宇 | Low-noise strong-impact weak-recoil electric hammer drill |
| CN101871326A (en) * | 2009-04-24 | 2010-10-27 | 包尔机械有限公司 | Boring rod set |
| CN203822179U (en) * | 2014-03-01 | 2014-09-10 | 河南华生科能机电科技有限公司 | Shock-absorbing and noise-reducing impact drill rod structure |
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| Publication number | Publication date |
|---|---|
| CN103939027A (en) | 2014-07-23 |
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Effective date of registration: 20160218 Address after: 503, room 450000, east section, building 5, Jincheng International 38, Zhengzhou agricultural road, Henan, China Patentee after: Henan TE Solar Energy Technology Co.,Ltd. Address before: Acacia Street 450000 Henan province Zhengzhou high tech Industrial Development Zone No. 5 for Science Park Building 2 room 216 Patentee before: HENAN HUASHENG KENENG ELECTRICAL AND MECHANICAL TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151028 Termination date: 20200301 |