CN203701954U - Down-the-hole drill - Google Patents
Down-the-hole drill Download PDFInfo
- Publication number
- CN203701954U CN203701954U CN201320800985.7U CN201320800985U CN203701954U CN 203701954 U CN203701954 U CN 203701954U CN 201320800985 U CN201320800985 U CN 201320800985U CN 203701954 U CN203701954 U CN 203701954U
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- drill
- drilling
- sleeve
- frame
- walking chassis
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Abstract
The utility model discloses a down-the-hole drill, which comprises a rack, a drill stand, a rotating wind supply mechanism and a drilling tool, wherein a walking chassis, a hydraulic system, an air supply system and a drill arm are mounted on the rack; the drilling tool comprises a main drill rod, a drill bit and an impactor; a first check valve is arranged in the upper end of the main drill rod; an impact hammer is arranged in the impactor; the air supply system comprises an air compressor; a sleeve is mounted at the lower end of the drill stand; a whistle head is arranged at the lower end of the sleeve; a second check valve is arranged at the middle part of the main drill rod; an air pipe is arranged on the air compressor; the wheel type walking chassis comprises front wheels mounted at the front end of the rack and a rear wheel mounted at the rear end of the rack; a walking frame deflection oil cylinder is arranged between the rack and the wheel type walking chassis. The down-the-hole drill has the benefits that the drill is difficult to clamp; the main drill rod and the impactor are difficult to be blocked; the drill can conveniently walk, is low in oil consumption, and can directly be used for construction without auxiliary construction conditions, so that the construction time is saved, the construction cost is lowered, and the drill is high in working efficiency, low in maintenance cost and long in service life.
Description
Technical field
The utility model relates to a kind of rig, concrete relates to a kind of hidden hole drilling that is applicable to river course boring.
Background technology
Before hidden hole drilling is engineering explosion, for the equipment of hole at rock (blasting charge in the hole of boring).The hidden hole drilling of selling on market can only be applied on the rock surface of showing on land and just can rock drilling hole, if construction must meet some conditions on river course: needs break into cofferdam with a large amount of earthwork, by the water isolation in construction area and river course, with a large amount of digging machines by the mud in river course, river sand, rubbles etc. are removed clean, exposing subsurface rock just can construct, need to repair simply-built highway equipment is transported to job site, need to count platform operation in 24 hours with large-scale pumping equipment, greatly increase cost and the time of hidden hole drilling in river course construction, in the time carrying out river course boring, when drilling depth reaches three meters, need increase again drilling rod, need to suspend at connection procedure Wind pressure, blast time-out will cause ground water pressure excessive, the mud at the boring end is poured in the impactor above drill bit under Water Pressure, cause impactor to stop up, cannot ventilate, mud pours in and in boring, causes drilling rod and impactor and drill bit to be trapped in mud cannot extracting, and existing hidden hole drilling is all to adopt simple and easy track structure, in the darker construction area of mud, in crawler belt central recess, be often involved in the stone in some river courses, stone blocks walking gear, auger cannot be walked, must be hung and be fallen into car region with crane gear, this simple and easy crawler type hidden hole drilling can not be applicable to the darker region construction of water level, as use large-scale crawler-type traveling, fuel consumption is larger, increase construction cost, separately have on existing hidden hole drilling drilling cramp and there is no sleeve, only have two brandreths to support, squeezing into after silt lithosphere, stone is easy to a fitchering and does not go down, and loses time, and affects construction speed.
Utility model content
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, and a kind of hidden hole drilling is provided, in increasing drilling rod, main drilling rod inner high voltage gas can not stop, and the mud at the boring end can not pour in the impactor of drill bit top and stop up impactor, and after squeezing into silt lithosphere, drill bit is not easy to be blocked by stone, walking conveniently moving, fuel consumption is less, does not need the subsidiary conditions of constructing, and has saved the engineering time, reduce construction cost, operating efficiency is high, and maintenance cost is low, long service life.
The technical solution of the utility model is achieved in that it comprises frame, drilling cramp, revolution wind sector and drilling tool, walking chassis is installed in described frame, hydraulic system, air supply system and drill boom, described drilling tool comprises main drilling rod, drill bit and impactor, in the upper end of described main drilling rod, be provided with first unfilial son's valve, in described impactor, be provided with stamping hammer, described air supply system comprises air compressor, it is characterized in that: the lower end of described drilling cramp is provided with sleeve, described sleeve lower end has a whistle head, cause clamping drill bit for stoping the stone that is greater than drill bit to enter in jewel hole, the middle part of described main drilling rod is provided with second unfilial son's valve, described air compressor is provided with an airduct, in the time that drilling depth need increase drilling rod more deeply on main drilling rod, described airduct is connected with described second unfilial son's valve, continue provides high pressure gas in main drilling rod, and described stamping hammer continues to move downward drill hammer under the pressure-acting of high pressure gas, described walking chassis is wheel type walking chassis, and described wheel type walking chassis comprises the front vehicle wheel that is arranged on frame front end and the rear wheel that is arranged on frame rear end, between described frame and described wheel type walking chassis, is provided with walker beat oil cylinder.
In said structure, a dismountable geometrical clamp is installed on described drilling cramp, described geometrical clamp be arranged on described sleeve directly over, the internal diameter of geometrical clamp is identical with the internal diameter of sleeve.
In said structure, the upper end of described sleeve is provided with a sleeve circle.
In said structure, in described hydraulic system, be connected with multiple directional control valve.
In said structure, described frame bottom, frame and front vehicle wheel and rear wheel junction are separately installed with car bow.
In said structure, described front vehicle wheel is two groups, and described rear wheel is one group.
The beneficial effects of the utility model are: the hidden hole drilling that the utility model provides, and one: the lower end of described drilling cramp is provided with sleeve, described sleeve lower end has a whistle head, and the stone that is greater than drill bit for stoping enters in jewel hole and causes clamping drill bit; Its two: the middle part of described main drilling rod is provided with second unfilial son's valve, air compressor is provided with an airduct, in the time that drilling depth need increase drilling rod more deeply on main drilling rod, airduct is connected with second unfilial son's valve, continue provides high pressure gas in main drilling rod, stamping hammer continues to move downward drill hammer under the pressure-acting of high pressure gas, and the mud at the boring end can not pour in the impactor and main drilling rod of drill bit top, and impactor and drilling rod can not be stopped up; Its three: described walking chassis is wheel type walking chassis, wheel type walking chassis comprises the front vehicle wheel that is arranged on frame front end and the rear wheel that is arranged on frame rear end, between frame and wheel type walking chassis, be provided with walker beat oil cylinder, walking conveniently moving, fuel consumption is few, does not need the subsidiary conditions of constructing, and can adjust by walker beat oil cylinder the balance of frame in rough region, guarantee the carrying out of construction speed, saved the engineering time; Its four: a dismountable geometrical clamp is installed, carrying out, in boring procedure, main drilling rod is played to fixation on described drilling cramp; Its five: the upper end of described sleeve is provided with a sleeve circle, and sleeve is played to fixation; Its six: in described hydraulic system, be connected with multiple directional control valve, easy to operate; Frame bottom, frame and front vehicle wheel and rear wheel junction are separately installed with car bow, play a supportive role and reduce friction loss; The utility model can directly be constructed under river course condition, also can under land rock surface and other mal-conditions, (as: ice, rubble, water, river sand, mud) directly construct, do not need the subsidiary conditions of constructing, saved the engineering time, reduced construction cost, operating efficiency is high, under same river course execution conditions, can save 70% cost, and maintenance cost is low, long service life, has met the market demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hidden hole drilling
Fig. 2 is the structural representation of drilling cramp lower end and drilling tool in the utility model Fig. 1
In figure: 1, frame; 2, drilling cramp; 3, revolution wind sector; 4, hydraulic system; 5, air supply system; 6, drill boom; 7, sleeve; 8, main drilling rod; 9, drill bit; 10, impactor; 11, first unfilial son's valve; 12, whistle head; 13, second unfilial son's valve 14, airduct; 15, front vehicle wheel; 16, rear wheel; 17, walker beat oil cylinder; 18, geometrical clamp; 19, sleeve circle; 20, multiple directional control valve; 21, car bow; 22, drilling cramp lifting compensating cylinder.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Shown in seeing figures.1.and.2, the hidden hole drilling that the utility model discloses, it comprises frame 1, drilling cramp 2, revolution wind sector 3 and drilling tool, walking chassis is installed in frame 1, hydraulic system 4, air supply system 5 and drill boom 6, drill boom 6 is straight-arm, drill boom 6 is provided with drilling cramp lifting compensating cylinder 22 with drilling cramp 2 junctions, drilling cramp lifting compensating cylinder 22 can make drilling cramp 2 rise to three to four meters, can be in the degree of depth hole in more than three meters water and silt, drill boom 6 rotating ranges are large, boundary of works area is wide, drilling tool comprises main drilling rod 8, drill bit 9 and impactor 10, in the upper end of main drilling rod 8, be provided with first unfilial son's valve 11, in impactor 10, be provided with stamping hammer, air supply system 5 comprises air compressor, in hydraulic system 4, be connected with multiple directional control valve 20, the lower end of drilling cramp 2 is provided with sleeve 7, sleeve 7 lower ends have a whistle 12, cause clamping drill bit 9 for stoping the stone that is greater than drill bit 9 to enter in jewel hole, the upper end of sleeve 7 is provided with a sleeve circle 19, sleeve 7 is played to fixation, the middle part of main drilling rod 8 is provided with second unfilial son's valve 13, air compressor is provided with an airduct 14, in the time that drilling depth need increase drilling rod more deeply on main drilling rod 8, airduct 14 is connected with second unfilial son's valve 13, continue provides high pressure gas in main drilling rod 8, and stamping hammer continues to move downward drill hammer 9 under the pressure-acting of high pressure gas, walking chassis is wheel type walking chassis, wheel type walking chassis comprises the front vehicle wheel 15 that is arranged on frame 1 front end and the rear wheel 16 that is arranged on frame 1 rear end, front vehicle wheel 15 is two groups, rear wheel 16 is one group, frame 1 bottom, frame 1 are separately installed with car bow 21 with front vehicle wheel 15 and rear wheel 16 junctions, car bow 21 is installed in the other direction, and support degree is large, frictional dissipation is little, between frame 1 and wheel type walking chassis, is provided with walker beat oil cylinder 17, one dismountable geometrical clamp 18 is also installed on drilling cramp 2, geometrical clamp 18 be arranged on sleeve 7 directly over, the internal diameter of geometrical clamp 18 is identical with the internal diameter of sleeve 7, geometrical clamp 18 is assembled by screw by two semi-circular tubes, in the time holing, main drilling rod 8 is played to fixation, prevent that main drilling rod 8 from rocking and departing from sleeve 7.
Still shown in seeing figures.1.and.2, the hidden hole drilling that the utility model discloses, in the time holing work, it is interior in first unfilial son's valve 11 enters into main drilling rod 8 that high pressure gas enters revolution wind sector 3 from air compressor, enter into again in impactor 10, under the pressure-acting of high pressure gas, make stamping hammer move downward drill hammer 9, carry out boring work, in the time that drilling depth need to increase drilling rod more deeply on main drilling rod 8, airduct 14 is connected with second unfilial son's valve 13, air compressor stops providing high pressure gas to revolution wind sector 3, high pressure gas is exported through airduct 14 from air compressor, second unfilial son's valve 13 enters in main drilling rod 8, enter into again in impactor 10, under the pressure-acting of high pressure gas, make stamping hammer continue to move downward drill hammer 9, the mud that has guaranteed the boring end can not pour in the impactor 10 and main drilling rod 8 of drill bit 9 tops, can not stop up impactor 10 and main drilling rod 8, finish changing after drilling rod, air compressor continues to provide high pressure gas to revolution wind sector 3, airduct 14 and second unfilial son's valve 13 disconnect, proceed boring work, when hole drill good, after impactor 10 is mentioned, to insert in sleeve 7 with the corresponding plastic pipe of sleeve 7 internal diameter size, the river sand mud that can stop upper strata enters in boring and causes boring to be scrapped, the utility model can directly be constructed on river course, also can be under land rock surface and other mal-conditions (as: ice, rubble, water, river sand, mud) directly construction, do not need the subsidiary conditions of constructing, walking conveniently moving, fuel consumption is less, save the engineering time, reduce construction cost, operating efficiency is high, maintenance cost is low, long service life.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, can there is various distortion and modification, retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (6)
1. a hidden hole drilling, it comprises frame, drilling cramp, revolution wind sector and drilling tool, walking chassis, hydraulic system, air supply system and drill boom are installed in described frame, described drilling tool comprises main drilling rod, drill bit and impactor, in the upper end of described main drilling rod, be provided with first unfilial son's valve, in described impactor, be provided with stamping hammer, described air supply system comprises air compressor, it is characterized in that: the lower end of described drilling cramp is provided with sleeve, described sleeve lower end has a whistle head, and the stone that is greater than drill bit for stoping enters in jewel hole and causes clamping drill bit; The middle part of described main drilling rod is provided with second unfilial son's valve, and described air compressor is provided with an airduct, and in the time that drilling depth need increase drilling rod more deeply on main drilling rod, described airduct is connected with described second unfilial son's valve; Described walking chassis is wheel type walking chassis, and described wheel type walking chassis comprises the front vehicle wheel that is arranged on frame front end and the rear wheel that is arranged on frame rear end, between described frame and described wheel type walking chassis, is provided with walker beat oil cylinder.
2. hidden hole drilling according to claim 1, is characterized in that: a dismountable geometrical clamp is installed on described drilling cramp, described geometrical clamp be arranged on described sleeve directly over, the internal diameter of geometrical clamp is identical with the internal diameter of sleeve.
3. hidden hole drilling according to claim 1, is characterized in that: the upper end of described sleeve is provided with a sleeve circle.
4. hidden hole drilling according to claim 1, is characterized in that: in described hydraulic system, be connected with multiple directional control valve.
5. hidden hole drilling according to claim 1, is characterized in that: described frame bottom, frame and front vehicle wheel and rear wheel junction are separately installed with car bow.
6. hidden hole drilling according to claim 1, is characterized in that: described front vehicle wheel is two groups, and described rear wheel is one group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800985.7U CN203701954U (en) | 2013-12-04 | 2013-12-04 | Down-the-hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800985.7U CN203701954U (en) | 2013-12-04 | 2013-12-04 | Down-the-hole drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701954U true CN203701954U (en) | 2014-07-09 |
Family
ID=51052410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800985.7U Withdrawn - After Issue CN203701954U (en) | 2013-12-04 | 2013-12-04 | Down-the-hole drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203701954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695858A (en) * | 2013-12-04 | 2015-06-10 | 庄静波 | Down-the-hole drill |
| CN109236184A (en) * | 2018-11-20 | 2019-01-18 | 中铁二十局集团第五工程有限公司 | A kind of drilling jumbo being suitble to both wired operation |
| CN111094687A (en) * | 2017-09-08 | 2020-05-01 | 安百拓凿岩有限公司 | Mining or construction vehicle |
-
2013
- 2013-12-04 CN CN201320800985.7U patent/CN203701954U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695858A (en) * | 2013-12-04 | 2015-06-10 | 庄静波 | Down-the-hole drill |
| CN111094687A (en) * | 2017-09-08 | 2020-05-01 | 安百拓凿岩有限公司 | Mining or construction vehicle |
| CN109236184A (en) * | 2018-11-20 | 2019-01-18 | 中铁二十局集团第五工程有限公司 | A kind of drilling jumbo being suitble to both wired operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20170517 |
|
| AV01 | Patent right actively abandoned |