CN108169038B - Large-diameter drill bit impact rock breaking detection device - Google Patents
Large-diameter drill bit impact rock breaking detection device Download PDFInfo
- Publication number
- CN108169038B CN108169038B CN201810027847.7A CN201810027847A CN108169038B CN 108169038 B CN108169038 B CN 108169038B CN 201810027847 A CN201810027847 A CN 201810027847A CN 108169038 B CN108169038 B CN 108169038B
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- Prior art keywords
- drill bit
- lead screw
- slide rail
- material container
- rings
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- 239000011435 rock Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 3
- 239000010438 granite Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
Abstract
A large-diameter drill bit impact broken rock detection device is specifically characterized in that a special structure is adopted to realize impact broken rock simulation of a drill bit, a strain gauge is attached to a part to be observed of the drill bit, after the drill bit is hung by a steel wire rope, a powerful electromagnet is electrified to enable a lifting device to be attracted with a material container, a servo motor lifting device pulls the material container and an embedded material to a preset height, at the moment, a spring is in a compressed state and then suddenly powered off, the embedded material impacts the drill bit upwards under the action of the spring, after the impact is completed and is stabilized, the lifting device pulls back the material container again, at the moment, penetration or broken rock condition of the material can be observed, so that data is provided for a broken rock mechanism of the drill bit, the device impacts the drill bit through the rock material to simulate an actual impact process, and data in the rock breaking process and the drill bit breakage process are provided.
Description
Technical Field
The invention relates to a large-diameter drill bit impact rock breaking detection device, in particular to a device for realizing impact rock breaking simulation of a drill bit by adopting a special structure, belonging to the field of performance testing devices of building equipment.
Background
In bridge piling, large-scale building foundation piling and other occasions, a large-diameter stepped drill bit with the diameter of 2.5 meters and the weight of 8 tons is often required for piling, the drill bit is formed by welding, the size is huge, the drilling and rock breaking efficiency of the drill bit is greatly improved compared with that of a traditional drill bit, but the service life of the drill bit is often shorter, the utilization rate of the drill bit is greatly reduced, great loss is caused, drill bit damage research and rock breaking mechanism research in actual production are inconvenient, the damage mechanism of the drill bit stays at a software simulation level, and a great gap exists between the drill bit and the actual situation, so that a large-diameter drill bit impact rock breaking detection device is urgently needed, and the damage mechanism and the rock breaking mechanism of the drill bit are researched by recording actual data.
Disclosure of Invention
In order to overcome the defects, the invention provides a large-diameter drill bit impact rock breaking detection device.
A large-diameter drill bit impact broken rock detection device is composed of an I-steel support, an upper hollowed support, an upper hanging ring, a steel wire rope, a lower hanging ring, a drill bit, a material container, a lifting device, a spring, a chassis and a controller, wherein the material container comprises an inner cavity and an adsorption block, the lifting device comprises a bearing, a bottom interface plate, a screw assembly base, a lower fixed sleeve, a sliding rail, an upper fixed sleeve, a bottom bearing seat, a screw smooth end, a driving gear, a driven gear, an upper bearing seat, a servo motor, a screw, a sliding rail sleeve, a screw nut sliding block and a powerful electromagnet, the screw assembly base comprises a sliding rail hole, a screw hole, a motor hole and a fixed bolt hole, the I-steel support is fixedly connected with the upper hollowed support, the upper hanging ring is connected with the upper hollowed support, the steel wire rope is connected below the upper hanging ring, the other end of the steel wire rope is connected with the lower hanging ring, the lower end of the lower hanging ring is connected with the drill bit, the bottom interface plate is arranged on the chassis, the screw assembly base is arranged on the bottom interface plate, the servo motor is arranged on the screw assembly base, the output end of the servo motor drives a driving gear to rotate, the driving gear is meshed with the driven gear, the upper sliding block is arranged on the sliding block, the sliding block is connected with the sliding block, the lower sliding block is connected with the high-absorbing block, and the material is connected with the bottom of the material is fixedly arranged on the lower hanging ring.
Materials within the cavity including, but not limited to, rock-soil materials of the granite, clay and egg gravel type
The number of the springs is not less than 2, and the stiffness coefficients of the springs are the same and are uniformly distributed.
The controller is arranged on the I-steel bracket
The lower fixing sleeve and the upper fixing sleeve are respectively arranged on the bottom interface plate and the screw rod assembly base and used for supporting the sliding rail, the bottom bearing seat and the upper bearing seat are respectively arranged on the bottom interface plate and the screw rod assembly base and are internally provided with bearings for supporting the smooth end of the screw rod.
The invention has the advantages that: the device impacts the drill bit through rock materials to simulate the actual impact process, the spring is quickly sprung up at a certain acceleration under the action of the spring, and as the spring has a stiffness coefficient k, the total stiffness coefficient of n springs is n x k, the distance from the surface of the material to the drill bit can be simulated to be shorter, so that the rock breaking process and the drill bit breakage process can be simulated; the core of the lifting device is a servo motor and a screw rod, so that the pull-down position of the material container can be accurately controlled, and the accuracy of data is improved; the drill bit is hoisted through the steel wire rope, so that the impact process of the drill bit hoisted by the steel wire rope in the actual bottom hole operation process can be simulated, and a part of stress can be released in the process of punching, so that the impact process accords with the actual situation; the I-steel bracket and the upper hollowed bracket are used as a supporting device of the whole device, so that materials are saved and the strength requirement can be met; the materials in the inner cavity of the material container are not limited to one type, so that the stress and the damage state of the drill bit when drilling different materials of the ground can be simulated, and the device has more applicability; setting a strain gauge at a key part of the drill bit, recording stress history data of the strain gauge, and providing a basis for analysis of the damage process of the strain gauge; after the rock breaking impact simulation is completed, the servo motor retreats, so that the damage condition of the corresponding material can be clearly observed, and a basis is provided for the research of the rock breaking mechanism.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a material container structure;
FIG. 3 is a schematic diagram of a pulling device;
FIG. 4 is a schematic diagram of a lead screw portion mechanism in the pulling device;
FIG. 5 is a schematic diagram of the structure of the slide rail sleeve, the screw nut slider and the powerful electromagnet;
FIG. 6 is a schematic view of a base structure of the screw assembly;
FIG. 7 is a schematic view of a drill bit;
FIG. 8 is a circuit control diagram of the present device;
in the figure, 1I-steel support, 2 upper hollow support, 3 upper hanging ring, 4 wire rope, 5 lower hanging ring, 6 drill bit, 7 material container, 8 lifting device, 9 spring, 10 chassis, 11 controller, 701 content chamber, 702 adsorption block, 800 bearing, 801 bottom interface board, 802 lead screw assembly base, 803 lower fixed sleeve, 804 slide rail, 805 upper fixed sleeve, 806 bottom bearing seat, 807 lead screw, 808 driving gear, 809 driven gear, 810 upper bearing seat, 811 servo motor, 812 lead screw, 813 slide rail sleeve, 814 lead screw nut slider, 815 powerful electromagnet, 8021 slide rail hole, 8022 lead screw hole, 8023 motor hole, 8024 fixed bolt hole.
Detailed Description
The large-diameter drill bit impact rock breaking detection device consists of an I-steel bracket 1, an upper hollow bracket 2, an upper hanging ring 3, a steel wire rope 4, a lower hanging ring 5, a drill bit 6, a material container 7, a lifting device 8, a spring 9, a chassis 10 and a controller 11, wherein the material container 7 comprises a content cavity 701 and an adsorption block 702, the lifting device 8 comprises a bearing 800, a bottom interface plate 801, a screw assembly base 802, a lower fixing sleeve 803, a sliding rail 804, an upper fixing sleeve 805, a bottom bearing seat 806, a screw smooth end 807, a driving gear 808, a driven gear 809, an upper bearing seat 810, a servo motor 811, a screw 812, a sliding rail sleeve 813, a screw nut slider 814 and a powerful electromagnet 815, the screw assembly base 802 comprises a sliding rail hole 8021, a screw hole 8022, a motor hole 8023 and a fixing bolt hole 8024, I-steel support 1 and last fretwork support 2 fixed connection, go up rings 3 and last fretwork support 2 and link to each other, wire rope 4 connects the below of last rings 3, wire rope 4 other end is connected down rings 5, lower rings 5 lower extreme is connected with drill bit 6, bottom interface board 801 is installed on chassis 10, lead screw assembly base 802 is installed on bottom interface board 801, servo motor 811 is installed on lead screw assembly base 802, servo motor 811 output drives driving gear 808 rotation, driving gear 808 meshes with driven gear 809, driven gear 809 installs on lead screw smooth end 807, lead screw nut slider 814 and slide rail sleeve 813 slide on lead screw 812 and slide rail 804, powerful electromagnet 815 is connected with adsorption block 702, adsorption block 702 drives material container 7 up-and-down motion, material container 7 bottom is connected with spring 9, spring 9 other end is fixed on chassis 10.
Materials within the content cavity 701 include, but are not limited to, rock-soil materials of the granite, clay, and gravel type.
The number of the springs 9 is not less than 2, and the rigidity coefficients of the springs 9 are the same and are uniformly distributed.
The controller 11 is arranged on the I-steel bracket
The lower and upper fixing sleeves 803, 805 are mounted on the bottom interface plate 801 and the screw assembly base 802, respectively, for supporting the slide rails 804, and the bottom and upper bearing blocks 806, 810 are mounted on the bottom interface plate 801 and the screw assembly base 802, respectively, and have bearings 800 built-in for supporting the smooth end 807 of the screw.
After the drill bit 6 is hung by the steel wire rope 4, the powerful electromagnet 815 is electrified to enable the lifting device to suck and collect the material container, the servo motor 811 lifting device 8 pulls the material container 7 and the built-in material to a set height, the spring 9 is in a compressed state, then is suddenly powered off, the built-in material impacts the drill bit 6 upwards under the action of the spring 9, after the impact is completed and is stabilized, the lifting device 8 pulls back the material container 7 again, at the moment, penetration or rock breaking condition of the material can be observed, and accordingly data is provided for a rock breaking mechanism of the material.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present invention without departing from the spirit and principles of the invention.
Claims (4)
1. The utility model provides a broken rock detection device of major diameter drill bit impact, is by I-steel support, go up the fretwork support, go up rings, wire rope, rings, drill bit, material container down, carry and draw the device, spring, chassis and controller to constitute, the material container include content chamber and adsorption block, carry and draw the device including bearing, bottom interface board, lead screw subassembly base, lower fixed cover, slide rail, go up fixed cover, bottom bearing frame, lead screw smooth end, driving gear, driven gear, upper portion bearing frame, servo motor, lead screw, slide rail cup joint a section of thick bamboo, lead screw nut slider and powerful electro-magnet, lead screw subassembly base include slide rail hole, lead screw hole, motor hole and fixing bolt hole, its characterized in that: i-steel support and last fretwork support fixed connection, go up rings and last fretwork support and link to each other, wire rope connects the below of last rings, wire rope other end is connected rings down, rings lower extreme and drill bit are connected, the bottom interface board is installed on the chassis, lead screw subassembly base is installed on the bottom interface board, servo motor installs on the lead screw subassembly base, servo motor output drives the driving gear and rotates, driving gear and driven gear meshing, driven gear installs on the smooth end of lead screw, lead screw nut slider and slide rail cup joint section of thick bamboo and slide rail are slided on lead screw and slide rail, powerful electro-magnet is connected with the adsorption block, the adsorption block drives the material container up-and-down motion, material container bottom and spring coupling, the spring other end is fixed on the chassis, lower fixed sleeve and last fixed sleeve install respectively on bottom interface board and lead screw subassembly base for support slide rail, bottom bearing frame and upper portion bearing frame are installed respectively on bottom interface board and lead screw subassembly base, and built-in have the bearing for supporting the smooth end of lead screw.
2. A large diameter drill bit impact rock breaking detection apparatus according to claim 1, wherein: the materials in the content cavity comprise granite, clay and pebble rock-soil materials.
3. A large diameter drill bit impact rock breaking detection apparatus according to claim 1, wherein: the number of the springs is not less than 2, and the stiffness coefficients of the springs are the same and are uniformly distributed.
4. A large diameter drill bit impact rock breaking detection apparatus according to claim 1, wherein: the controller is arranged on the I-steel bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027847.7A CN108169038B (en) | 2018-01-11 | 2018-01-11 | Large-diameter drill bit impact rock breaking detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027847.7A CN108169038B (en) | 2018-01-11 | 2018-01-11 | Large-diameter drill bit impact rock breaking detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108169038A CN108169038A (en) | 2018-06-15 |
| CN108169038B true CN108169038B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027847.7A Active CN108169038B (en) | 2018-01-11 | 2018-01-11 | Large-diameter drill bit impact rock breaking detection device |
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| Country | Link |
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| CN (1) | CN108169038B (en) |
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|---|---|---|---|---|
| CN85205092U (en) * | 1985-11-27 | 1986-09-17 | 中南工业大学 | Drillability-measuring instrument for rock |
| US4674318A (en) * | 1985-01-14 | 1987-06-23 | Atochem | Apparatus for the measurement of the resistance to shock |
| CN102183422A (en) * | 2011-03-15 | 2011-09-14 | 浙江大学 | Locking mechanism and impact tester device having locking mechanism |
| CN103645100A (en) * | 2013-12-12 | 2014-03-19 | 中国地质大学（北京） | Single-tooth single-impact rock crushing experimental device |
| CN104502182A (en) * | 2014-11-27 | 2015-04-08 | 西南石油大学 | Impact-rotary well drilling experiment device |
| CN104749052A (en) * | 2015-02-08 | 2015-07-01 | 东北石油大学 | High-frequency vibrating impact rock-breaking experiment device |
| CN104849157A (en) * | 2015-05-22 | 2015-08-19 | 中国矿业大学 | Continuous impact crushing test device |
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-
2018
- 2018-01-11 CN CN201810027847.7A patent/CN108169038B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674318A (en) * | 1985-01-14 | 1987-06-23 | Atochem | Apparatus for the measurement of the resistance to shock |
| CN85205092U (en) * | 1985-11-27 | 1986-09-17 | 中南工业大学 | Drillability-measuring instrument for rock |
| CN102183422A (en) * | 2011-03-15 | 2011-09-14 | 浙江大学 | Locking mechanism and impact tester device having locking mechanism |
| CN103645100A (en) * | 2013-12-12 | 2014-03-19 | 中国地质大学（北京） | Single-tooth single-impact rock crushing experimental device |
| CN104502182A (en) * | 2014-11-27 | 2015-04-08 | 西南石油大学 | Impact-rotary well drilling experiment device |
| CN104749052A (en) * | 2015-02-08 | 2015-07-01 | 东北石油大学 | High-frequency vibrating impact rock-breaking experiment device |
| CN104849157A (en) * | 2015-05-22 | 2015-08-19 | 中国矿业大学 | Continuous impact crushing test device |
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| CN207689293U (en) * | 2018-01-11 | 2018-08-03 | 山东建筑大学 | A kind of major diameter drill bit impact broken rock detection device |
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| CN108169038A (en) | 2018-06-15 |
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