CN114016924A - Wingspan system of drill jumbo - Google Patents
Wingspan system of drill jumbo Download PDFInfo
- Publication number
- CN114016924A CN114016924A CN202111275562.3A CN202111275562A CN114016924A CN 114016924 A CN114016924 A CN 114016924A CN 202111275562 A CN202111275562 A CN 202111275562A CN 114016924 A CN114016924 A CN 114016924A
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- wingspan
- arm
- hinged
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- arm section
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- 238000005553 drilling Methods 0.000 claims abstract description 40
- 239000011435 rock Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009412 basement excavation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a rock drilling jumbo wingspan system, which comprises a wingspan frame, a wingspan small arm, a wingspan big arm, a wingspan main arm and a wingspan oil cylinder, wherein the wingspan small arm is arranged on the wingspan frame; the wing exhibition frame is vertically fixed on the chassis of the rock drilling jumbo; the two sides of the bottom of the wingspan frame are symmetrically hinged with a base of a wingspan oil cylinder, and the end part of a piston rod of the wingspan oil cylinder is hinged with the middle section of the main wingspan arm; the top of the main wingspan arm is hinged with the middle part of the wingspan frame, and the bottom of the main wingspan arm is hinged with the bottom of the large wingspan arm; the top of the small wingspan arm is hinged with the top of the wingspan frame, the bottom of the small wingspan arm is hinged with the middle section of the large wingspan arm, and a rock drilling arm is installed at the top of the large wingspan arm. The wingspan system of the drill jumbo can improve the positioning precision of the drill boom of the drill jumbo, improve the position precision of a drill hole, effectively avoid overbreak and guarantee the safety of construction personnel.
Description
Technical Field
The invention relates to the technical field of rock drilling equipment, in particular to a wingspan system of a drill jumbo.
Background
In actual tunnel engineering operation, in order to improve the mechanical operation degree of tunnel construction and accelerate the construction progress, a double-arm rock drilling jumbo is often adopted for tunnel blasting and drilling operation. The double-arm rock drilling trolley is suitable for the tunneling and drilling operation engineering of roadways, tunnels and culverts in the departments of metal mines, non-metal mines, hydropower, railways, highways, war industry, metallurgy, building materials, chemical engineering and the like, has wide application range, and is an advanced rock drilling device in the current engineering construction of China.
The quality of tunnel excavation molding depends on the quality of drilling hole forming quality, the quality of the drilling hole forming quality depends on the positioning precision of a rock drilling arm of a drill jumbo, the position deviation of the rock drilling arm can cause over-excavation and under-excavation of serious tunnel excavation, and the safety of constructors can be threatened.
Disclosure of Invention
In view of the above, the invention aims to provide a rock drilling jumbo wingspan system aiming at the defects of the prior art, so that the positioning precision of a rock drilling arm of the rock drilling jumbo is improved, the position precision of a drill hole is improved, the phenomenon of over-short excavation is effectively avoided, and the safety of constructors is guaranteed.
In order to achieve the purpose, the invention adopts the following technical scheme: a rock drilling jumbo wingspan system comprises a wingspan frame, a wingspan small arm, a wingspan big arm, a wingspan main arm and a wingspan oil cylinder; the wing exhibition frame is vertically fixed on the chassis of the rock drilling jumbo; the two sides of the bottom of the wingspan frame are symmetrically hinged with a base of a wingspan oil cylinder, and the end part of a piston rod of the wingspan oil cylinder is hinged with the middle section of the main wingspan arm; the top of the main wingspan arm is hinged with the middle part of the wingspan frame, and the bottom of the main wingspan arm is hinged with the bottom of the large wingspan arm; the top of the small wingspan arm is hinged with the top of the wingspan frame, the bottom of the small wingspan arm is hinged with the middle section of the large wingspan arm, and a rock drilling arm is installed at the top of the large wingspan arm;
the main wingspan arm comprises a first arm section, a second arm section and a bolt; the bottom of the first arm section and the top of the second arm section are fixedly connected through bolts.
Further, the top of the first arm section is hinged with the middle of the wingspan frame, and the bottom of the second arm section is hinged with the bottom of the wingspan large arm; the ratio of the length of the first arm section to the length of the second arm section is 2-3:1, and the end part of a piston rod of the wingspan oil cylinder is hinged with the middle section of the first arm section; the included angle between the first arm section and the second arm section towards the main arm side of the wingspan is 120 degrees and 160 degrees.
Furthermore, the included angle between the first arm section and the second arm section is realized by a turnbuckle bolt; the method for adjusting the included angle comprises the following steps: according to the unfolding span interval of the wingspan system or the position of the single-side rock drilling boom, the included angle between the first arm section and the second arm section is determined by combining the containing space required by the wingspan oil cylinder, the bolt is unscrewed, the second arm section is rotated to the preset included angle by taking the bolt as a base point, and then the bolt is screwed down to complete angle fixing.
The invention has the beneficial effects that:
the wingspan system of the drill jumbo can finely adjust the span distance between the drill drilling arms or the position of the single-side drill drilling arm, improve the positioning precision of the drill drilling arms of the drill jumbo, improve the position precision of drill holes, effectively avoid over-underexcavation and ensure the safety of construction personnel.
The included angle between the first arm section and the second arm section of the rock drilling jumbo wingspan system is realized through the tension bolts, and the span distance between the two rock drilling arms or the position of the single-side rock drilling arm can be finely adjusted by adjusting the included angle between the first arm section and the second arm section, so that the position precision of a drill hole is improved.
The ratio of the length of the first arm section to the length of the second arm section of the rock drilling jumbo wingspan system is 2-3:1, and the included angle between the first arm section and the second arm section towards the main wingspan arm side is 120-160 degrees, so that sufficient accommodating space can be reserved for the wingspan oil cylinder after the wingspan system is folded, the problem that the main wingspan arm is blocked or collides with the wingspan oil cylinder when the wingspan system is folded is avoided, and the reasonability and the stability of the wingspan system structure are improved.
Drawings
FIG. 1 is a schematic structural view of a rock drilling jumbo wingspan system in a furled state;
FIG. 2 is a schematic view of the extended state structure of the rock drilling jumbo wingspan system of the present invention.
Description of reference numerals: the wingspan structure comprises a wingspan frame 1, a wingspan small arm 2, a wingspan big arm 3, a wingspan main arm 4, a first arm section 41, a second arm section 42, a bolt 43 and a wingspan oil cylinder 5.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Example 1
A rock drilling jumbo wingspan system comprises a wingspan frame 1, a wingspan small arm 2, a wingspan big arm 3, a wingspan main arm 4 and a wingspan oil cylinder 5. The wing exhibition frame 1 is vertically fixed on the chassis of the rock drilling jumbo.
The two sides of the bottom of the wingspan frame 1 are symmetrically hinged with bases of wingspan oil cylinders 5, and the end parts of piston rods of the wingspan oil cylinders 5 are hinged with the middle sections of the wingspan main arms 4. The top of the main wingspan arm 4 is hinged with the middle part of the wingspan frame 1, and the bottom of the main wingspan arm 4 is hinged with the bottom of the large wingspan arm 3. The top of the small wingspan arm 2 is hinged with the top of the wingspan frame 1, the bottom of the small wingspan arm 2 is hinged with the middle section of the large wingspan arm 3, and the top of the large wingspan arm 3 is provided with a rock drilling arm.
The span main arm 4 comprises a first arm segment 41, a second arm segment 42 and a bolt 43. The bottom of the first arm segment 41 and the top of the second arm segment 42 are fixed by bolts 43.
Example 2
The present embodiment is different from embodiment 1 in that: the top of the first arm section 41 is hinged with the middle of the wingspan frame 1, and the bottom of the second arm section 42 is hinged with the bottom of the wingspan large arm 3. The ratio of the length of the first arm section 41 to the length of the second arm section 42 is 2-3:1, and the end part of a piston rod of the wingspan oil cylinder 5 is hinged with the middle section of the first arm section 41. The included angle between the first arm section 41 and the second arm section 42 towards the main wingspan arm 4 side is 120-160 degrees, so that a sufficient accommodating space can be reserved for the wingspan oil cylinder 5 after the wingspan system is folded, the main wingspan arm is prevented from being blocked or colliding with the wingspan oil cylinder when the wingspan system is folded, and the reasonability and the stability of the structure of the wingspan system are improved.
Example 3
The present embodiment is different from embodiment 2 in that: the included angle of first arm section 41 and second arm section 42 is realized through lag bolt 43, and the accessible adjusts the included angle of first arm section 41 and second arm section 42, finely tunes the span interval between two rock drilling booms or the position of unilateral rock drilling boom, improves the position accuracy of drilling.
The method for adjusting the included angle comprises the following steps: according to the span distance of the span system or the position of the single-side rock drilling boom, the containing space required by the span oil cylinder 5 is combined, the included angle between the first arm section 41 and the second arm section 42 is determined, the bolt 43 is loosened, the second arm section 42 is rotated to the preset included angle by taking the bolt 43 as a base point, and then the bolt 43 is tightened to complete the angle fixation.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. A drill jumbo wingspan system which characterized in that: the wingspan structure comprises a wingspan frame, a wingspan small arm, a wingspan big arm, a wingspan main arm and a wingspan oil cylinder; the wing exhibition frame is vertically fixed on the chassis of the rock drilling jumbo; the two sides of the bottom of the wingspan frame are symmetrically hinged with a base of a wingspan oil cylinder, and the end part of a piston rod of the wingspan oil cylinder is hinged with the middle section of the main wingspan arm; the top of the main wingspan arm is hinged with the middle part of the wingspan frame, and the bottom of the main wingspan arm is hinged with the bottom of the large wingspan arm; the top of the small wingspan arm is hinged with the top of the wingspan frame, the bottom of the small wingspan arm is hinged with the middle section of the large wingspan arm, and a rock drilling arm is installed at the top of the large wingspan arm;
the main wingspan arm comprises a first arm section, a second arm section and a bolt; the bottom of the first arm section and the top of the second arm section are fixedly connected through bolts.
2. A rock drill jumbo wingspan system as claimed in claim 1, wherein: the top of the first arm section is hinged with the middle of the wingspan frame, and the bottom of the second arm section is hinged with the bottom of the wingspan large arm; the ratio of the length of the first arm section to the length of the second arm section is 2-3:1, and the end part of a piston rod of the wingspan oil cylinder is hinged with the middle section of the first arm section; the included angle between the first arm section and the second arm section towards the main arm side of the wingspan is 120 degrees and 160 degrees.
3. A rock-drilling rig wingspan system according to claim 2 wherein: the included angle between the first arm section and the second arm section is realized through an elastic bolt; the method for adjusting the included angle comprises the following steps: according to the unfolding span interval of the wingspan system or the position of the single-side rock drilling boom, the included angle between the first arm section and the second arm section is determined by combining the containing space required by the wingspan oil cylinder, the bolt is unscrewed, the second arm section is rotated to the preset included angle by taking the bolt as a base point, and then the bolt is screwed down to complete angle fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275562.3A CN114016924A (en) | 2021-10-29 | 2021-10-29 | Wingspan system of drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275562.3A CN114016924A (en) | 2021-10-29 | 2021-10-29 | Wingspan system of drill jumbo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114016924A true CN114016924A (en) | 2022-02-08 |
Family
ID=80058835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111275562.3A Pending CN114016924A (en) | 2021-10-29 | 2021-10-29 | Wingspan system of drill jumbo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114016924A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11229749A (en) * | 1998-02-18 | 1999-08-24 | Furukawa Co Ltd | Boom lifting device for drill jumbo |
| CN203066861U (en) * | 2012-12-29 | 2013-07-17 | 徐州徐工铁路装备有限公司 | Three-arm drill jumbo drill arm combined support |
| CN109707309A (en) * | 2019-01-16 | 2019-05-03 | 中国铁建重工集团有限公司 | A kind of four-arm rock drilling jumbo |
| CN110295917A (en) * | 2019-05-29 | 2019-10-01 | 中国铁建重工集团股份有限公司 | Wingspan device of drill jumbo |
| CN210013707U (en) * | 2019-05-29 | 2020-02-04 | 江西鑫通机械制造有限公司 | Side arm for clamping arch frame |
| CN212376695U (en) * | 2020-07-22 | 2021-01-19 | 河南安诺尼建筑科技有限公司 | Large-angle adjusting bracket |
-
2021
- 2021-10-29 CN CN202111275562.3A patent/CN114016924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11229749A (en) * | 1998-02-18 | 1999-08-24 | Furukawa Co Ltd | Boom lifting device for drill jumbo |
| CN203066861U (en) * | 2012-12-29 | 2013-07-17 | 徐州徐工铁路装备有限公司 | Three-arm drill jumbo drill arm combined support |
| CN109707309A (en) * | 2019-01-16 | 2019-05-03 | 中国铁建重工集团有限公司 | A kind of four-arm rock drilling jumbo |
| CN110295917A (en) * | 2019-05-29 | 2019-10-01 | 中国铁建重工集团股份有限公司 | Wingspan device of drill jumbo |
| CN210013707U (en) * | 2019-05-29 | 2020-02-04 | 江西鑫通机械制造有限公司 | Side arm for clamping arch frame |
| CN212376695U (en) * | 2020-07-22 | 2021-01-19 | 河南安诺尼建筑科技有限公司 | Large-angle adjusting bracket |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 471000 North side of Heluo Road, Houying Community, Luoyang Area (High tech) Xindian Street Office, China (Henan) Pilot Free Trade Zone, Luoyang City, Henan Province (No. 2 East of the intersection of Heluo Road and Houshi Road) Applicant after: Henan Heyuan Machinery Technology Co.,Ltd. Address before: 471000 room 1115, Ruize building, 215 Heluo Road, high tech Zone, Luoyang City, Henan Province Applicant before: Henan Heyuan Machinery Technology Co.,Ltd. Country or region before: China |