CN204511288U - A kind of wide-angle pitching, swing down-the-hole drill - Google Patents
A kind of wide-angle pitching, swing down-the-hole drill Download PDFInfo
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- CN204511288U CN204511288U CN201520084117.2U CN201520084117U CN204511288U CN 204511288 U CN204511288 U CN 204511288U CN 201520084117 U CN201520084117 U CN 201520084117U CN 204511288 U CN204511288 U CN 204511288U
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- connection block
- oil cylinder
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Abstract
The utility model discloses a kind of wide-angle pitching, swing down-the-hole drill, include principal arm and Connection Block, principal arm is also hinged with upper cylinder and bent plate, the core bar of upper cylinder, bent plate and connecting rod are coaxially hinged, the other end of connecting rod is articulated with the middle part of described Connection Block, and upper cylinder action promotes described Connection Block pitch rotation by described bent plate and connecting rod; Connection Block front end is provided with flange, flange is hinged with can the swing seat of horizontal hunting, the compensation frame installing drill bit is connected in swing seat, the side that Connection Block is positioned at flange is provided with the first wing plate, swing seat is provided with the second wing plate with the first wing plate homonymy, hingedly on first wing plate be provided with oscillating oil cylinder, core bar and described second wing plate of oscillating oil cylinder are hinged, oscillating oil cylinder action drives swing seat horizontal hunting.Luffing angle and the velocity of rotation of down-the-hole drill is strengthened by bent plate and connecting rod; By the parts such as oscillating oil cylinder and swing seat, make swing seat that crossbeam and drill bit can be driven to swing more than 180 degree.
Description
Technical field
The utility model relates to a kind of wide-angle pitching, swings down-the-hole drill.
Background technology
At present, down-the-hole drill is used in a large number in the Rock excavation blasting engineerings such as mining industry, water power, traffic.Along with the development of project scale and technology, propose new requirement to down-the-hole drill, the crossbeam that drill bit installed by down-the-hole drill needs pitching and swings greater angle, to meet the demand of various operating mode.Existing as the patent No.: a kind of down-the-hole drill disclosed in 200920276092, fuselage is hinged with principal arm and lower oil cylinder, the core bar of lower oil cylinder is articulated with principal arm, lower oil cylinder is flexible promotes principal arm pitch rotation, principal arm is hinged with the crossbeam of upper cylinder and installation drill bit, the core bar of upper cylinder is articulated with crossbeam, and upper cylinder is flexible promotes crossbeam pitch rotation; On fuselage, the sustained height of hinged principal arm is also hinged with oscillating oil cylinder, and the core bar of oscillating oil cylinder is articulated with on principal arm, and oscillating oil cylinder action promotes whole main swing arm.This structure due to the elongation of upper cylinder limited, the luffing angle of crossbeam is less and pitch rotation speed is slow; Be limited to the collapsing length of oscillating oil cylinder, the pendulum angle of rig principal arm is less; Owing to driving crossbeam and drill bit horizontal hunting by principal arm, consider that principal arm and crossbeam are very long, the space needed for swing is very large, and therefore adopt the down-the-hole drill of said structure to be limited to space, its scope of application is little.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of wide-angle pitching, swings down-the-hole drill, the crossbeam of rig can pitch rotation to negative angle and also pitch rotation speed fast, crossbeam and drill bit horizontal hunting angle can more than 180 ° and also drill bit to swing requisite space less, applied widely.
The utility model solves the technical scheme that its technical problem adopts:
A kind of wide-angle pitching, swing down-the-hole drill, include the bearing being connected to borer chassis, described bearing is hinged with principal arm and lower oil cylinder, the core bar of described lower oil cylinder is articulated with described principal arm, described lower cylinder action promotes described principal arm pitch rotation, described principal arm front end is hinged with Connection Block, the rear position described principal arm being positioned at described Connection Block is also hinged with upper cylinder and bent plate, the core bar of described upper cylinder, bent plate and connecting rod are coaxially hinged, the other end of described connecting rod is articulated with the middle part of described Connection Block, described upper cylinder action promotes described Connection Block pitch rotation by described bent plate and connecting rod, described bent plate is provided with and produces the groove of stepping down of interfering in rotation process with described Connection Block for avoiding, described Connection Block front end is provided with flange, described flange is hinged with can the swing seat of horizontal hunting, the compensation frame installing drill bit is connected in described swing seat, the side that described Connection Block is positioned at described flange is provided with the first wing plate, described swing seat is provided with the second wing plate with described first wing plate homonymy, hingedly on described first wing plate be provided with oscillating oil cylinder, core bar and described second wing plate of described oscillating oil cylinder are hinged, swing seat horizontal hunting described in described oscillating oil cylinder action drives.
As the improvement of technique scheme, described compensation frame is articulated with described swing seat upper end, and described swing seat lower end is hinged with supplementary oil cylinder, and the core bar of described supplementary oil cylinder is articulated with described compensation frame to promote to compensate frame pitch rotation.
As the further improvement of technique scheme, the both sides of described Connection Block and swing seat are all provided with the first wing plate and the second wing plate respectively.
Further, described first wing plate extends to the rear of described Connection Block, the hinged described oscillating oil cylinder in rear end of described first wing plate.
Further, described in each, the first wing plate comprises upper plate and lower plate, and described oscillating oil cylinder is arranged between upper plate and lower plate, and the thickness of described second wing plate above-below direction is less than the spacing between described upper plate and lower plate and can extend between upper and lower plate.
Further, described bent plate is crescent shape, and convex position is towards bearing.
Further, the hinging pin shaft two ends of described principal arm and Connection Block, connecting rod and Connection Block, Connection Block and swing seat are provided with draw-in groove, and snap in limited location clamp in described draw-in groove, described spacing clamp is fixedly connected on the surface of hinge hole.
Further, described spacing clamp is screwed the surface being connected to hinge hole.
The beneficial effects of the utility model are: compared with traditional structure, are strengthened the luffing angle of Connection Block when upper cylinder of the present utility model extends by the coaxially hinged bent plate of the core bar with upper cylinder and connecting rod, thus the luffing angle of increase down-the-hole drill; Connecting rod also add the pitch rotation speed of Connection Block, completes the pitching motion of down-the-hole drill fast.The swing seat promoting to be articulated with flange by oscillating oil cylinder is rotated, thus drives crossbeam and drill bit horizontal hunting, and flange adds the swing space of swing seat; First wing plate and the second wing plate make the center line of oscillating oil cylinder and Connection Block form angle, increase the pendulum angle of swing seat, thus swing seat can drive crossbeam and drill bit horizontal hunting more than 180 degree.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is depression angle of the present utility model structural representation;
Fig. 2 is upward view angle structural representation of the present utility model;
Fig. 3 is the structural representation of Connection Block in the utility model, swing seat and oscillating oil cylinder;
Fig. 4 is the structural representation of hinging pin shaft in the utility model;
Fig. 5 is the structural representation of spacing clamp in the utility model
Fig. 6 is the luffing angle comparison diagram of the utility model and traditional structure.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 5, a kind of wide-angle pitching, swing down-the-hole drill, include the bearing 1 being connected to borer chassis, described bearing 1 is hinged with principal arm 2 and lower oil cylinder 3, the core bar of described lower oil cylinder 3 is articulated with described principal arm 2, the action of described lower oil cylinder 3 promotes described principal arm 2 pitch rotation, described principal arm 2 front end is hinged with Connection Block 5, the rear position described principal arm 2 being positioned at described Connection Block 5 is also hinged with upper cylinder 4 and bent plate 7, the core bar of described upper cylinder 4, bent plate 7 and connecting rod 8 coaxially hinged, the other end of described connecting rod 8 is articulated with the middle part of described Connection Block 5, the action of described upper cylinder 4 promotes described Connection Block 5 pitch rotation by described bent plate 7 and connecting rod 8, described bent plate 7 is provided with and produces the step down groove 701 of interfering with described Connection Block 5 for avoiding in rotation process, described Connection Block 5 front end is provided with flange 501, described flange 501 is hinged with can the swing seat 6 of horizontal hunting, the compensation frame 11 installing drill bit is connected in described swing seat 6, the side that described Connection Block 5 is positioned at described flange 501 is provided with the first wing plate 502, described swing seat 6 is provided with the second wing plate 601 with described first wing plate 502 homonymy, hinged on described first wing plate 502 oscillating oil cylinder 10 is installed, core bar and described second wing plate 601 of described oscillating oil cylinder 10 are hinged, swing seat 6 horizontal hunting described in described oscillating oil cylinder 10 action drives.Adopt said structure, when upper cylinder 4 extends, strengthened the luffing angle of Connection Block 5 by the coaxially hinged bent plate 7 of the core bar with upper cylinder 4 and connecting rod 8, thus drive the compensation frame 11 installing drill bit can wide-angle pitch rotation; Connecting rod 8 also add the pitch rotation speed of Connection Block 5, completes the pitching motion of down-the-hole drill fast.The swing seat 6 promoting to be articulated with flange 501 by oscillating oil cylinder 10 is rotated, thus drives compensation frame 11 and drill bit horizontal hunting, and flange 501 adds the swing space of swing seat 6; First wing plate 502 and the second wing plate 601 make oscillating oil cylinder 10 form angle with the center line of Connection Block 5, increase the pendulum angle of swing seat 6, thus make swing seat 6 that compensation frame 11 and drill bit can be driven to swing more than 180 °.
In the present embodiment, preferably, described compensation frame 11 is articulated with described swing seat 6 upper end, and described swing seat 6 lower end is hinged with supplementary oil cylinder 9, and the core bar of described supplementary oil cylinder 9 is articulated with described compensation frame 11 to promote to compensate frame 11 pitch rotation.Adopt said structure, can increase by supplementary oil cylinder 9 luffing angle compensating frame 11 further and reach negative angle, with reference to Fig. 6, the luffing angle of traditional down-the-hole drill is from A to B, the luffing angle of the down-the-hole drill of the present embodiment is from A to C, and in figure, the position of C exceedes perpendicular bisector is negative angle; Under the state of lifting principal arm 5, extend supplementary oil cylinder 9 and can also make compensation frame 11 maintenance level.
In the present embodiment, preferably, the both sides of described Connection Block 5 and swing seat 6 are all provided with the first wing plate 502 and the second wing plate 601 respectively.Adopt said structure, oscillating oil cylinder 10 can be arranged on any side of Connection Block 5 and swing seat 6 according to environment for use, strengthens versatility.
In the present embodiment, preferably, described first wing plate 502 extends to the rear of described Connection Block 5, the hinged described oscillating oil cylinder 10 in rear end of described first wing plate 502.Adopt said structure, the stroke of oscillating oil cylinder 10 can be increased, thus increase the pendulum angle of swing seat 6.
In the present embodiment, preferably, described in each, the first wing plate 502 comprises upper plate 503 and lower plate 504, described oscillating oil cylinder 10 is arranged between upper plate 503 and lower plate 504, and the thickness of described second wing plate 601 above-below direction is less than the spacing between described upper plate 503 and lower plate 504 and can extend between upper and lower plate 503,504.Adopt said structure, be convenient to the second wing plate 601 in swing process, put in the first wing plate 502, the pendulum angle of swing seat 6 can be increased.
In the present embodiment, preferably, described bent plate 7 is crescent shape, and convex position is towards bearing 1.Adopt said structure, bent plate 7 is being avoided under the prerequisite of mutually interfering with Connection Block 5, ensures self structure intensity and good looking appearance.
In the present embodiment, preferably, described principal arm 2 is provided with draw-in groove 12 with Connection Block 5, Connection Block 5 with the hinging pin shaft two ends of swing seat 6 with Connection Block 5, connecting rod 8, and snap in limited location clamp 13 in described draw-in groove 12, described spacing clamp 13 is fixedly connected on the surface of hinge hole.Adopt said structure, spacing clamp 13 prevents bearing pin from skidding off or comes off, and strengthens structural stability.
In the present embodiment, preferably, described spacing clamp 13 is screwed the surface being connected to hinge hole.Adopt said structure, the easy accessibility of clamp 13, is convenient to service equipment.
The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within protection domain of the present utility model.
Claims (8)
1. a wide-angle pitching, swing down-the-hole drill, include the bearing (1) being connected to borer chassis, described bearing (1) is hinged with principal arm (2) and lower oil cylinder (3), the core bar of described lower oil cylinder (3) is articulated with described principal arm (2), the action of described lower oil cylinder (3) promotes described principal arm (2) pitch rotation, it is characterized in that: described principal arm (2) front end is hinged with Connection Block (5), the rear position described principal arm (2) being positioned at described Connection Block (5) is also hinged with upper cylinder (4) and bent plate (7), the core bar of described upper cylinder (4), bent plate (7) and connecting rod (8) coaxially hinged, the other end of described connecting rod (8) is articulated with the middle part of described Connection Block (5), described upper cylinder (4) action promotes described Connection Block (5) pitch rotation by described bent plate (7) and connecting rod (8), described bent plate (7) is provided with and produces the groove of stepping down (701) of interfering in rotation process with described Connection Block (5) for avoiding, described Connection Block (5) front end is provided with flange (501), described flange (501) is hinged with can the swing seat (6) of horizontal hunting, the compensation frame (11) installing drill bit is connected in described swing seat (6), the side that described Connection Block (5) is positioned at described flange (501) is provided with the first wing plate (502), described swing seat (6) is provided with the second wing plate (601) with described first wing plate (502) homonymy, described first wing plate (502) is above hinged is provided with oscillating oil cylinder (10), core bar and described second wing plate (601) of described oscillating oil cylinder (10) are hinged, swing seat (6) horizontal hunting described in described oscillating oil cylinder (10) action drives.
2. a kind of wide-angle pitching according to claim 1, swing down-the-hole drill, it is characterized in that: described compensation frame (11) is articulated with described swing seat (6) upper end, described swing seat (6) lower end is hinged with supplementary oil cylinder (9), and the core bar of described supplementary oil cylinder (9) is articulated with described compensation frame (11) to promote to compensate frame (11) pitch rotation.
3. a kind of wide-angle pitching according to claim 2, swing down-the-hole drill, is characterized in that: the both sides of described Connection Block (5) and swing seat (6) are all provided with the first wing plate (502) and the second wing plate (601) respectively.
4. a kind of wide-angle pitching according to claim 3, swing down-the-hole drill, is characterized in that: described first wing plate (502) extends to the rear of described Connection Block (5), the hinged described oscillating oil cylinder (10) in rear end of described first wing plate (502).
5. a kind of wide-angle pitching according to claim 4, swing down-the-hole drill, it is characterized in that: the first wing plate (502) described in each comprises upper plate (503) and lower plate (504), described oscillating oil cylinder (10) is arranged between upper plate (503) and lower plate (504), and the thickness of described second wing plate (601) above-below direction is less than the spacing between described upper plate (503) and lower plate (504) and can extend between upper and lower plate (503,504).
6. a kind of wide-angle pitching according to claim 5, swing down-the-hole drill, it is characterized in that: described bent plate (7) is crescent shape, convex position is towards bearing (1).
7. a kind of wide-angle pitching according to claim arbitrary in claim 1 ~ 6, swing down-the-hole drill, it is characterized in that: described principal arm (2) is provided with draw-in groove (12) with Connection Block (5), Connection Block (5) with the hinging pin shaft two ends of swing seat (6) with Connection Block (5), connecting rod (8), snap in limited location clamp (13) in described draw-in groove (12), described spacing clamp (13) is fixedly connected on the surface of hinge hole.
8. a kind of wide-angle pitching according to claim 7, swing down-the-hole drill, is characterized in that: described spacing clamp (13) is screwed the surface being connected to hinge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084117.2U CN204511288U (en) | 2015-02-05 | 2015-02-05 | A kind of wide-angle pitching, swing down-the-hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084117.2U CN204511288U (en) | 2015-02-05 | 2015-02-05 | A kind of wide-angle pitching, swing down-the-hole drill |
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| Publication Number | Publication Date |
|---|---|
| CN204511288U true CN204511288U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084117.2U Active CN204511288U (en) | 2015-02-05 | 2015-02-05 | A kind of wide-angle pitching, swing down-the-hole drill |
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| CN (1) | CN204511288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653102A (en) * | 2015-02-05 | 2015-05-27 | 广东顺德孔山重工机械有限公司 | Wide-angle pitching and swinging down-the-hole drill |
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2015
- 2015-02-05 CN CN201520084117.2U patent/CN204511288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653102A (en) * | 2015-02-05 | 2015-05-27 | 广东顺德孔山重工机械有限公司 | Wide-angle pitching and swinging down-the-hole drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528322 No. 3-1-2, Fu'an Industrial Zone, leliulian Du Village, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Kongshan Heavy Industry Machinery Co.,Ltd. Address before: 528000 lot 3-1-2, Fu'an Industrial Zone, Leliu Liandu village, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE KOSAN HEAVY INDUSTRY MACHINERY CO.,LTD. |
|
| CP03 | Change of name, title or address |