CN110863771B - Hydraulic rock drill with measuring mechanism - Google Patents
Hydraulic rock drill with measuring mechanism Download PDFInfo
- Publication number
- CN110863771B CN110863771B CN201911248941.6A CN201911248941A CN110863771B CN 110863771 B CN110863771 B CN 110863771B CN 201911248941 A CN201911248941 A CN 201911248941A CN 110863771 B CN110863771 B CN 110863771B
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- Prior art keywords
- cylinder hole
- rock drill
- piston
- measuring mechanism
- protection plate
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- 239000011435 rock Substances 0.000 title claims abstract description 45
- 239000003921 oil Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 10
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a hydraulic rock drill with a measuring mechanism, which comprises a rock drill body, a drill shank and a protection plate, wherein the protection plate is provided with the measuring mechanism; the measuring mechanism comprises a telescopic rod, a first piston is fixed at the right end of the telescopic rod, a first piston plug bush is arranged in a first cylinder hole of a measuring base, the measuring base is fixed on a protection plate, a second cylinder hole is formed in the measuring base, an oil duct communicated with the first cylinder hole and the second cylinder hole is formed in the measuring base, a second piston and a spring are sleeved in the second cylinder hole, a rectangular groove is formed in the left end of the measuring base, a connecting rod in a U shape is sleeved in the rectangular groove, two ends of the connecting rod are respectively fixed on the second piston and a pointer, and the pointer is aligned with the scale plate. The measuring mechanism can accurately measure the chiseling depth, avoids chiseling transition or chiseling deficiency, and meanwhile, the protection plate of the measuring mechanism can effectively block broken stones generated during the working of the hydraulic rock drill and effectively ensures the safety of operators.
Description
Technical Field
The invention relates to the technical field of rock drills, in particular to a hydraulic rock drill with a measuring mechanism.
Background
Hydraulic rock drills are drilling devices which are mounted on excavators, excavators or special equipment with an oil source and are used for drilling holes in high-hardness and brittle materials such as ores and rocks. The device has the characteristics of high impact power, high energy utilization rate, easiness in realizing automatic control and the like. However, when the hydraulic rock drill is operated, the working progress (i.e. the drilling depth) of the hydraulic rock drill cannot be accurately known, and the hydraulic rock drill needs to be judged by the experience of operators, and if the hydraulic rock drill is judged to be mistakenly drilled, the drilling transition or the damage to the body of the hydraulic rock drill is easy. Meanwhile, the bit shank impact working part often generates broken stones to splash, the splashed broken stones impact the structure of the hydraulic rock drill to cause damage of the hydraulic rock drill, even the safety of operators is endangered, the flying dust also enters the interior of the hydraulic rock drill to cause the hydraulic rock drill to break down and be unusable, and the safety of the operators is also endangered.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a hydraulic rock drill with a measuring mechanism, wherein the measuring mechanism can accurately measure the drilling depth, the drilling transition or insufficient drilling is avoided, meanwhile, a protection plate can effectively block broken stones generated during the working of the hydraulic rock drill, and the safety of operators is effectively ensured.
The scheme for solving the technical problems is as follows:
a hydraulic rock drill with a measuring mechanism comprises a rock drill body and a drill rod tail connected with the rock drill body, wherein the drill rod tail is inserted and sleeved on a protection plate, the protection plate is fixed at the end part of the rock drill body connected with the drill rod tail, the protection plate is positioned on the left side of the rock drill body, and the measuring mechanism is arranged on the protection plate; the measuring mechanism comprises a telescopic rod arranged in parallel with the drill bit shank, the left end of the telescopic rod is flush with the left end of the drill bit shank, a first piston is fixed at the right extending end of the telescopic rod penetrating through the protection plate, the first piston is inserted and sleeved in a first cylinder hole of a measuring base, the measuring base is fixed on the right side wall of the protection plate, a second cylinder hole arranged in parallel with the first cylinder hole and an oil duct communicating the right end of the first cylinder hole with the right end of the second cylinder hole are formed on the measuring base, the left side of the second cylinder hole is opened, a second piston and a spring are sleeved in the second cylinder hole, the spring is clamped between the left side wall of the second piston and the right side wall of the protection plate, a rectangular groove communicated with the left end of the second cylinder hole is formed at the left end of the measuring base, a connecting rod in a U shape is sleeved in the rectangular groove, the right end of a lower side cross rod of the connecting rod is fixed on the second piston, and a, the pointer is positioned on the front side of the scale marks of the scale plate, and the scale plate is fixed on the outer wall of the measuring base; and hydraulic oil is filled in a cavity formed by the first piston, the first cylinder hole, the oil passage, the second piston and the second cylinder hole.
The oil duct comprises a first oil passing hole formed in the right side wall of the first cylinder hole, a second oil passing hole formed in the right side wall of the second cylinder hole, and a third oil passing hole communicated with the first oil passing hole and the second oil passing hole, the upper side of the third oil passing hole is open, and the upper end opening of the third oil passing hole is connected with a plug.
The left end of the telescopic rod is fixed with a round head.
The middle part of the connecting rod comprises a rectangular block fixed with the left end of the lower side cross rod of the connecting rod and a round rod fixed with the left end of the upper side cross rod of the connecting rod, the round rod is fixedly connected with the rectangular block, and the width of the rectangular block is matched with the width of the rectangular groove.
Sponge blocks which are symmetrically arranged in the front and the back are fixed on the front side wall and the back side wall of the rectangular groove, the two sponge blocks are pressed against each other, the sponge blocks are located above the rectangular blocks, and the connecting rod is arranged between the two sponge blocks.
The guide rod is sleeved on the inner side of the spring, the left end of the guide rod is fixedly connected with the protection plate, and a pyramid part is formed at the right end of the guide rod.
A first sealing ring is sleeved on the outer wall of the first piston, and the outer wall of the first sealing ring is pressed against the inner wall of the first cylinder hole; and a second sealing ring is sleeved on the outer wall of the second piston, and the outer wall of the second sealing ring is pressed against the inner wall of the second cylinder hole.
The rightmost scale mark is an O scale mark, the pointer is in a triangular block shape, and one tip of the pointer is aligned to the O scale mark.
The invention has the following outstanding effects: compared with the prior art, its measuring mechanism can accurately measure the chisel and advance the degree of depth, has avoided the chisel to advance the transition or chisel and advance not enough, and simultaneously, its guard plate can effectively block the rubble that hydraulic rock drill during operation produced, and has effectively guaranteed operating personnel's safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2 taken about B-B;
fig. 4 is a partially enlarged view of fig. 2 about C.
Detailed Description
In the embodiment, as shown in fig. 1 to 4, a hydraulic rock drill with a measuring mechanism comprises a rock drill body 11 and a drill shank 12 connected with the rock drill body 11, wherein the drill shank 12 is inserted and sleeved on a protection plate 2, the protection plate 2 is fixed at the end part of the rock drill body 11 connected with the drill shank 12, the protection plate 2 is positioned at the left side of the rock drill body 11, and the measuring mechanism 3 is arranged on the protection plate 2; the measuring mechanism 3 comprises a telescopic rod 31 arranged in parallel with the drill rod tail 12, the left end of the telescopic rod 31 is flush with the left end of the drill rod tail 12, the telescopic rod 31 penetrates through the right extending end of the protection plate 2 to be fixed with a first piston 32, the first piston 32 is inserted and sleeved in a first cylinder hole 331 of a measuring base 33, the measuring base 33 is fixed on the right side wall of the protection plate 2, a second cylinder hole 332 arranged in parallel with the first cylinder hole 331 and an oil duct 333 communicating the right end of the first cylinder hole 331 with the right end of the second cylinder hole 332 are further formed on the measuring base 33, the left side of the second cylinder hole 332 is opened, a second piston 34 and a spring 35 are sleeved in the second cylinder hole 332, the spring 35 is clamped between the left side wall of the second piston 34 and the right side wall of the protection plate 2, a rectangular groove 334 communicated with the left end of the second cylinder hole 332 is formed at the left end of the measuring base 33, a connecting rod 36 in a U shape is sleeved in the rectangular groove 334, the right end of the lower transverse rod of the connecting rod 36 is fixed on the second piston 34, the right end of the upper transverse rod of the connecting rod 36 is fixed with a pointer 37, the pointer 37 is positioned at the front side of the scale mark 381 of the scale plate 38, and the scale plate 38 is fixed on the outer wall of the measuring base 33; the cavity formed by the first piston 32, the first cylinder hole 331, the oil passage 333, the second piston 34, and the second cylinder hole 332 is filled with hydraulic oil 39.
Further, the oil passages 333 include a first oil passing hole 3331 formed in the right side wall of the first cylinder hole 331, a second oil passing hole 3332 formed in the right side wall of the second cylinder hole 332, and a third oil passing hole 3333 for communicating the first oil passing hole 3331 with the second oil passing hole 3332, wherein the third oil passing hole 3333 is opened at an upper side thereof, and a plug 41 is connected to an upper end opening portion of the third oil passing hole 3333.
Furthermore, a round head 42 is fixed at the left end of the telescopic rod 31.
Furthermore, the middle portion of the connecting rod 36 includes a rectangular block 361 fixed to the left end of the lower cross bar of the connecting rod 36, and a circular rod 362 fixed to the left end of the upper cross bar of the connecting rod 36, the circular rod 362 is fixedly connected to the rectangular block 361, and the width of the rectangular block 361 matches the width of the rectangular groove 334.
Furthermore, the front side wall and the rear side wall of the rectangular groove 334 are fixed with sponge blocks 43 which are symmetrically arranged in the front-rear direction, the two sponge blocks 43 are pressed against each other, the sponge blocks 43 are positioned above the rectangular block 361, and the connecting rod 36 is arranged between the two sponge blocks 43.
Furthermore, a guide rod 44 is sleeved on the inner side of the spring 35, the left end of the guide rod 44 is fixedly connected with the protection plate 2, and a taper part is formed at the right end of the guide rod 44.
Furthermore, a first sealing ring 45 is sleeved on the outer wall of the first piston 32, and the outer wall of the first sealing ring 45 is pressed against the inner wall of the first cylinder hole 331; a second sealing ring 46 is sleeved on the outer wall of the second piston 34, and the outer wall of the second sealing ring 46 is pressed against the inner wall of the second cylinder hole 332.
Furthermore, the rightmost graduation mark 381 is an O graduation mark, the pointer 37 is in a triangular block shape, and one tip of the pointer 37 is aligned with the O graduation mark.
The working principle is as follows: firstly, before drilling, the left end of the drill bit 12 and the round head 42 on the telescopic rod 31 are pressed against the stone wall needing drilling, and at the moment, the pointer 37 is aligned with the O scale mark on the scale plate 38; secondly, after the rock drill works, when the drill bit shank 12 extends into the stone wall, the telescopic rod 31 moves rightwards, the telescopic rod 31 drives the first piston 32 to move rightwards, the second piston 32 pushes the second piston 34 to the left through hydraulic oil 39, the second piston 34 drives the connecting rod 36 to move leftwards, the connecting rod 36 drives the pointer 37 to move leftwards, the retraction amount of the telescopic rod 31 can be known through the scale marks on the scale plate 38, and therefore the depth of the drill bit shank 12 extending into the stone wall is indirectly obtained; thirdly, after the drilling is completed, the shank 12 is detached from the rock wall, the second piston is reset to the right by the action of the spring 35, and the first piston is reset to the left by the hydraulic oil.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (8)
1. A hydraulic rock drill with a measuring mechanism comprises a rock drill body (11) and a drill shank (12) connected with the rock drill body (11), wherein the drill shank (12) is inserted and sleeved on a protection plate (2), the protection plate (2) is fixed at the end part of the rock drill body (11) connected with the drill shank (12), the protection plate (2) is positioned on the left side of the rock drill body (11), and the measurement mechanism (3) is arranged on the protection plate (2); measuring mechanism (3) include with bore bit shank (12) parallel arrangement's telescopic link (31), the left end of telescopic link (31) flushes the setting with the left end of bore bit shank (12), telescopic link (31) pass the right side of protection plate (2) and stretch out the end and be fixed with first piston (32), first piston (32) plug bush is in first jar hole (331) of measuring base (33), measure base (33) and fix on the right side wall of protection plate (2), its characterized in that: the measuring base (33) is further formed with a second cylinder hole (332) which is arranged in parallel with the first cylinder hole (331), and an oil channel (333) which is communicated with the right end of the first cylinder hole (331) and the right end of the second cylinder hole (332), the left side of the second cylinder hole (332) is opened, a second piston (34) and a spring (35) are sleeved in the second cylinder hole (332), the spring (35) is clamped between the left side wall of the second piston (34) and the right side wall of the protection plate (2), the left end of the measuring base (33) is formed with a rectangular groove (334) which is communicated with the left end of the second cylinder hole (332), a connecting rod (36) which is U-shaped is sleeved in the rectangular groove (334), the right end of the lower side cross rod of the connecting rod (36) is fixed on the second piston (34), the right end of the upper side cross rod of the connecting rod (36) is fixed with a pointer (37), and the pointer (37) is located on the front side of a scale mark (381) of the, the scale plate (38) is fixed on the outer wall of the measuring base (33); and a cavity formed by the first piston (32), the first cylinder hole (331), the oil passage (333), the second piston (34) and the second cylinder hole (332) is filled with hydraulic oil (39).
2. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: the oil passage (333) includes a first oil passing hole (3331) formed in the right side wall of the first cylinder hole (331), a second oil passing hole (3332) formed in the right side wall of the second cylinder hole (332), and a third oil passing hole (3333) communicating the first oil passing hole (3331) and the second oil passing hole (3332), the third oil passing hole (3333) is open on the upper side, and the upper end opening of the third oil passing hole (3333) is connected with a plug (41).
3. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: the left end of the telescopic rod (31) is fixed with a round head (42).
4. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: the middle part of connecting rod (36) includes fixed rectangular block (361) with the left end of the downside horizontal pole of connecting rod (36), fixed round bar (362) with the left end of the upside horizontal pole of connecting rod (36), round bar (362) and rectangular block (361) fixed connection, the width of rectangular block (361) cooperatees with the width of rectangular channel (334).
5. A hydraulic rock drill provided with a measuring mechanism according to claim 4 characterized in that: sponge blocks (43) which are symmetrically arranged in the front and back are fixed on the front side wall and the back side wall of the rectangular groove (334), the two sponge blocks (43) are pressed against each other, the sponge blocks (43) are positioned above the rectangular block (361), and the connecting rod (36) is arranged between the two sponge blocks (43).
6. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: the inner side of the spring (35) is sleeved with a guide rod (44), the left end of the guide rod (44) is fixedly connected with the protection plate (2), and a conical part is formed at the right end of the guide rod (44).
7. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: a first sealing ring (45) is sleeved on the outer wall of the first piston (32), and the outer wall of the first sealing ring (45) is pressed against the inner wall of the first cylinder hole (331); and a second sealing ring (46) is sleeved on the outer wall of the second piston (34), and the outer wall of the second sealing ring (46) is pressed against the inner wall of the second cylinder hole (332).
8. A hydraulic rock drill provided with a measuring mechanism according to claim 1 characterized in that: the rightmost scale mark (381) is an O scale mark, the pointer (37) is in a triangular block shape, and one tip of the pointer (37) is aligned with the O scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248941.6A CN110863771B (en) | 2019-12-09 | 2019-12-09 | Hydraulic rock drill with measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248941.6A CN110863771B (en) | 2019-12-09 | 2019-12-09 | Hydraulic rock drill with measuring mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110863771A CN110863771A (en) | 2020-03-06 |
| CN110863771B true CN110863771B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911248941.6A Active CN110863771B (en) | 2019-12-09 | 2019-12-09 | Hydraulic rock drill with measuring mechanism |
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| CN (1) | CN110863771B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562197A (en) * | 2022-03-02 | 2022-05-31 | 桂林中旺机械制造有限公司 | Hydraulic rock drill with return beating function |
| CN114776316B (en) * | 2022-06-22 | 2022-09-13 | 湖南鹏翔星通汽车有限公司 | Drilling depth accurate controllable rock drilling propulsion beam device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607834A (en) * | 1948-03-01 | 1952-08-19 | Highway Trailer Co | Electrically controlled depth indicator for boring machines |
| CN2902575Y (en) * | 2006-05-09 | 2007-05-23 | 崔学斌 | Handheld round axle surface buffing machine |
| CN202266211U (en) * | 2011-09-23 | 2012-06-06 | 红塔烟草(集团)有限责任公司 | Dust collecting device of impact drill |
| CN202377843U (en) * | 2011-12-19 | 2012-08-15 | 浙江西菱台钻制造有限公司 | Tapping feeding device of machine for drilling and tapping |
| CN103018788B (en) * | 2012-12-10 | 2016-04-06 | 山东大学 | Profound tunnel unfavorable geology and Mechanical property forward probe device and method |
| CN205314987U (en) * | 2015-12-31 | 2016-06-15 | 郑州光力科技股份有限公司 | Drilling depth detection device based on elastic wave |
| CN107630656A (en) * | 2017-10-10 | 2018-01-26 | 李乾 | A kind of construction ground drilling equipment |
| CN207568500U (en) * | 2017-11-27 | 2018-07-03 | 操建华 | A kind of drilling machine perforation advanced depth detection device |
| CN207863851U (en) * | 2018-02-23 | 2018-09-14 | 湖北源镝机械设备有限公司 | A kind of novel hydraulic rock drill |
| CN209745223U (en) * | 2018-03-06 | 2019-12-06 | 李琳 | Wall body hole degree of depth measuring device for building |
| CN108547568A (en) * | 2018-04-08 | 2018-09-18 | 广州众顶建筑工程科技有限公司 | A kind of improved road constructing device |
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| CN110863771A (en) | 2020-03-06 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mo Baofu Inventor after: Liu Xingqi Inventor after: Meng Siqiu Inventor after: Lu Jianyou Inventor before: Lu Jianyou |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210204 Address after: 527300 Gaocheng lead zinc mining area, Datian village committee, Gaocun Town, yun'an District, Yunfu City, Guangdong Province Applicant after: Guangdong faende Mining Co.,Ltd. Address before: 523000 Building 1, No.17 Guangming Road, Dongcheng Street, Dongcheng District, Dongguan City, Guangdong Province Applicant before: Dongguan Zhijian Electromechanical Engineering Technology Co.,Ltd. |
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