CN2374551Y - Boring device for converter tapping hole - Google Patents
Boring device for converter tapping hole Download PDFInfo
- Publication number
- CN2374551Y CN2374551Y CN 99228361 CN99228361U CN2374551Y CN 2374551 Y CN2374551 Y CN 2374551Y CN 99228361 CN99228361 CN 99228361 CN 99228361 U CN99228361 U CN 99228361U CN 2374551 Y CN2374551 Y CN 2374551Y
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- valve
- knocker
- servo controller
- control valve
- drill bit
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Abstract
The utility model relates to a boring device for maintaining use of a steelmaking converter tapping hole. A drill bit of the utility model is arranged on a rotatable mechanical telescopic arm of a furnace detatching machine, a drill rod of the drill bit is connected with an impactor, and the impactor head of the impactor is connected with the drill rod in a sliding way. The tail end of the impactor is connected with the mechanical telescopic arm in a hinging way, and thus, the drill head has shock motion and propelling motion during the rotating boring time of the drill head. The furnace detatching machine is also provided with an impacting servo controller and a propelling servo controller. The input ends of the impacting servo controller and the propelling servo controller are connected to a driving motor of the rotatable mechanical telescopic arm of the furnace detatching machine, and the output ends of the impacting servo controller and the propelling servo controller are respectively connected with a control valve of the impactor and a controvel valve of the propelling oil cylinder of the mechanical telescopic arm.
Description
The utility model relates to a kind of drilling equipment that is used for steel-making converter tap hole maintenance usefulness.
Along with the popularization of steel-making converter Technology of Slag Splashingfor Furnace Maintenance, the life-span of converter is with unconfined raising, but the difficulty of having brought tap hole to keep in repair simultaneously.Existing drilling equipment is that den bohrkopf einsetzen constitutes on disassembling furnace machine, wherein disassembling furnace machine is by creeper undercarriage, power system, rotatable mechanical-stretching arm is formed, drilling equipment directly is connected in the high-temperature wearable drill bit on the rotatable mechanical-stretching arm exactly, power system by disassembling furnace machine drives, under 1200 ℃ of high temperature, converter taphole is holed, this device is by the rotation of operator with experience control drill bit, ahead running, because the operating mode difference of tap hole, the part operating mode is very hard, boring needs 1～3 hour like this, has had a strong impact on the output of steel of converter, with 3 300 tons of Baosteels, 2 250 tons of converters, going out one heat steel half an hour calculates, with 7000 tons of the underproduction, by 2000 yuan/ton, about 1,400 ten thousand yuan of meter loss.
The purpose of this utility model is exactly in order to address the above problem, and a kind of efficient high-quality converter taphole drilling equipment is provided.
Technical solution of the present utility model:
A kind of converter taphole drilling equipment, it includes disassembling furnace machine and drill bit, drill bit is connected on the rotatable mechanical-stretching arm of disassembling furnace machine, the drilling rod that it is characterized in that drill bit is connected with knocker, the head and the drilling rod of knocker are slidingly connected, knocker tail end and mechanical-stretching arm are articulated and connected, and make drill bit have shock motion and ahead running simultaneously when rotary drilling; Disassembling furnace machine also is provided with and impacts servo controller and advance servo controller, their input all is connected on the CD-ROM drive motor of the rotatable mechanical-stretching arm of disassembling furnace machine, and their output advances the control valve of oil cylinder to link to each other with the control valve of knocker with the mechanical-stretching arm respectively.
The utility model has improved the structure formation of drill bit, and on two movable basis of rotation propelling, increase shock motion, its automatic control system is improved three motions and is combined, to reach efficient, high-quality boring, and alleviate operator's working strength, and easy to operate, the efficient height, work efficiency 2-3 can be improved doubly, the loss of converter steel output can be significantly reduced.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the hydraulic pressure electrical schematic diagram that the utility model impacts servo controller and propelling servo controller;
Fig. 3 is a drill bit cross-sectional view of the present utility model.
As Fig. 1,2, the utility model includes disassembling furnace machine 1 and drill bit 2, wherein drill bit 2 is made of cutter head 3 and drilling rod 4, drill bit 2 is connected on the rotatable mechanical-stretching arm 5 of disassembling furnace machine 1, and characteristics of the present utility model are that the drilling rod 4 of drill bit 2 is connected with knocker 6, form drill bit of the present utility model, the head of knocker 6 and drilling rod 4 are slidingly connected, and knocker 6 tail ends and mechanical-stretching arm 5 are articulated and connected, and make drill bit 2 have shock motion and ahead running simultaneously when rotary drilling; Disassembling furnace machine 1 also is provided with and impacts servo controller 7 and advance servo controller 8, their input all is connected on the CD-ROM drive motor 9 of disassembling furnace machine 1 rotatable mechanical-stretching arm 5, and their output advances the control valve 12 of oil cylinder 11 to link to each other with the control valve 10 of knocker 6 with mechanical-stretching arm 5 respectively.
Knocker 6 of the present utility model can be an air hammer, correspondingly impacts servo controller 7 and can be realized by the pneumatic control circuit.
Knocker 6 is hydraulic impactor also, correspondingly impacts servo controller 7 and is realized by the servocontrol oil circuit.
In the utility model, for bigger torsion moment being provided for drill bit 2, knocker 6 should be arranged in the carriage 13, as Fig. 3, knocker 6 is a prior art, and it is made up of head 14, cylinder body 15, handle body 16 and interior piston, valve group etc., and its head 14 is slidingly connected with the drilling rod 4 of drill bit 2, its body skin and carriage 13 are fixed with one, and carriage 13 tail ends are hinged with the front end of mechanical-stretching arm 5 by bearing pin 17.
The utility model provides bigger surging force in order to give drill bit 2, the drilling rod 4 of its drill bit 2 can be inside and outside jackrod structure, as Fig. 3, this drilling rod 4 is made up of interior sinker bar 18 and inner rotary drilling rod 19,18 power that withstand shocks of sinker bar in this moment, for the maximum surging force of performance on cutter head 3, also be convenient to install inner rotary drilling rod 19 simultaneously, the diameter and the weight of sinker bar 18 in can reducing.The front end of interior sinker bar 18 is connected with cutter head 3, its rear end links to each other with the head 14 of knocker 6, and inner rotary drilling rod 19 is a body, and its movable set is at the outer wall of interior sinker bar 18, carriage 13 front ends of its tail end and knocker 6 outsides are connected, its front end and cutter head 3 sliding connections.
Impact servo controller 7 of the present utility model and propelling servo controller 8 are as Fig. 2, impacting servo controller 7 is made up of first shuttle valve 20, pressure relay 21 and knocker control valve 10, linking to each other of the CD-ROM drive motor 9 of the signal input part of pressure relay 21 by first shuttle valve 20 and mechanical-stretching arm into and out of hydraulic fluid port, linking to each other with the output terminal of rotary servovalve manually operated control valve 31 by the control valve 30 of CD-ROM drive motor 9 simultaneously into and out of hydraulic fluid port of CD-ROM drive motor 9, the output of pressure relay 21 links to each other with the electric control end of knocker control valve 10 by lead.Advance servo controller 8 by toothed gear pump 22, regulator valve 23, one-way throttle valve body 24, the anti-sticking valve 25 and first shuttle valve 20 are formed, a control end of anti-sticking valve 25 links to each other into and out of hydraulic fluid port by first shuttle valve 20 and telescopic boom CD-ROM drive motor 9, another control end of anti-sticking valve 25 links to each other with regulator valve 23 by one-way throttle valve 24, link to each other with the oil outlet of toothed gear pump 22 again simultaneously, advance the propelling servo hand brake control valve 29 of the control valve 12 of oil cylinder 11 to export in the input terminus of anti-sticking valve 25 and the disassembling furnace machine 1 and link to each other.In order to reduce the operation element amount, between anti-sticking valve 25 and propelling servo hand brake control valve 29 and rotary servovalve manually operated control valve 31, be connected to guiding valve 26, check valve 27 and second shuttle valve 28, check valve 27 is connected the input of anti-sticking valve 25 and advances between 29 outlets of servo hand brake control valve, guiding valve 26 and second shuttle valve 28 serial connection, they are connected between rotary servovalve manually operated control valve 31 output terminals of control valve 30 of the input of anti-sticking valve 25 and CD-ROM drive motor 9.
Working process of the present utility model is as follows, when need keep in repair the steel-making converter tap hole, starting disassembling furnace machine 1 makes the cutter head 3 of drill bit 2 aim at converter taphole, operate rotary servovalve manually operated control valve 31 then, control hydraulic servo oil moves the control valve 30 of CD-ROM drive motor 9, and its action makes working connection hydraulic efficiency oil drive CD-ROM drive motor 9 rotations, thereby drives inner rotary drilling rod 19 rotations of drill bit 2 by mechanical-stretching arm 5, make cutter head 3 rotations, tap hole is changeed cut.Simultaneously, action advances servo hand brake control valve 29, control servo-hydraulic oil makes control valve 12 actions that advance oil cylinder 11 by anti-sticking valve 25, its action makes the hydraulic efficiency oil driving of working connection advance oil cylinder 11 to carry out ahead running, this ahead running makes the inner rotary drilling rod 19 of drill bit 2 carry out ahead running again simultaneously by mechanical-stretching arm 5, makes cutter head 3 carry out ahead running again when rotatablely moving.When cutter head 3 changes when cutting tap hole and increasing because of torsion moment appears in its operating mode difference, then the oil-in pressure of CD-ROM drive motor 9 raises, the oil circuit signal that this pressure raises makes pressure relay 21 connection work by first shuttle valve 20, after pressure relay 21 is connected, its electrical signal output just makes control valve 10 work of knocker 6, this control valve 10 has just been connected the source of the gas of knocker 6, knocker 6 is impacted, this shock motion just makes cutter head 3 carry out the 3rd action again by the interior sinker bar 18 of drill bit 2, it is shock motion, cut ahead running so cutter head 3 not only has to change when operating mode is relatively poor, and also has shock motion.When the tap hole operating mode is abominable more, make the very fast raising of torsion moment of cutter head 3, the oil-in pressure of CD-ROM drive motor 9 is higher, this pressure signal is delivered to a control end of anti-sticking valve 25 by first shuttle valve 20, because it is higher than the pressure signal that anti-sticking valve 25 another control ends are provided by toothed gear pump 22 and regulator valve 23, anti-sticking valve 25 action that commutates automatically this moment, the servo-hydraulic oil that advances servo hand brake control valve 29 the to provide control that commutates just is provided in the commutation of anti-sticking valve 25, make and advance the control valve 12 of oil cylinder 11 also to commutate, advance the oil outlet of oil cylinder 11 to become oil return opening thereby make, and original oil return opening has become oil-in, so make and advance oil cylinder 11 to carry out setback at this moment, it retreats cutter head 3 by telescopic boom 5 and inner rotary drilling rod 19, and cutter head 3 can stuck phenomenon not occur because of tap hole operating mode extreme difference like this.When cutter head 3 was return, torsion moment reduced, and CD-ROM drive motor 9 oil-in pressure descend, and then anti-sticking valve 25 resets automatically again to commutate and moves, so advance oil cylinder 11 to carry out ahead running once more.Drill bit 2 can advance, rotate automatically because of tap hole operating mode difference like this, impacts and backward movement, thereby can carry out high-level efficiency drilling in high quality to tap hole, has solved the stuck difficult problem of cutter head simultaneously again well.
In the propelling servo controller 8 of the present utility model, owing to be added with second shuttle valve 28 and guiding valve 26 and check valve 27, then in operation rotary servovalve manually operated control valve 31, just making by second shuttle valve 28, guiding valve 26 and check valve 27 advances servo oil circuit to work simultaneously, can save the operational motion that advances servo hand brake control valve 29 like this, reduce the operation element amount, effect is very good.
Claims (8)
1, a kind of converter taphole drilling equipment, it includes disassembling furnace machine and drill bit, drill bit is connected on the rotatable mechanical-stretching arm of disassembling furnace machine, the drilling rod that it is characterized in that drill bit is connected with knocker, the head and the drilling rod of knocker are slidingly connected, knocker tail end and mechanical-stretching arm are articulated and connected, and make drill bit have shock motion and ahead running simultaneously when rotary drilling; Disassembling furnace machine also is provided with and impacts servo controller and advance servo controller, their input all is connected on the CD-ROM drive motor of the rotatable mechanical-stretching arm of disassembling furnace machine, and their output advances the control valve of oil cylinder to link to each other with the control valve of knocker with the mechanical-stretching arm respectively.
2, by the described converter taphole drilling equipment of claim 1, it is characterized in that described knocker is an air hammer, correspondingly impact servo controller and realize by the pneumatic control circuit.
3, by the described converter taphole drilling equipment of claim 1, it is characterized in that described knocker is a hydraulic impactor, correspondingly impact servo controller and realize by the servocontrol oil circuit.
4, by claim 1 or 2 or 3 described converter taphole drilling equipments, it is characterized in that knocker should be arranged in the carriage, the drilling rod of knocker head and drill bit is slidingly connected, and its body skin and carriage are fixed with one, and the carriage tail end is hinged by the front end of bearing pin and mechanical-stretching arm.
5, by the described converter taphole drilling equipment of claim 1, the drilling rod that it is characterized in that drill bit is inside and outside jackrod structure, drilling rod is made up of interior sinker bar and inner rotary drilling rod, the front end of interior sinker bar is connected with cutter head, its rear end links to each other with the head of knocker, and the inner rotary drilling rod is a body, and its movable set is at the outer wall of interior sinker bar, the carriage front end of its tail end and knocker outside is connected, its front end and cutter head sliding connection.
6, by the described converter taphole drilling equipment of claim 1, it is characterized in that impacting servo controller is made up of first shuttle valve, pressure relay and knocker control valve, linking to each other into and out of hydraulic fluid port of the CD-ROM drive motor of the signal input part of pressure relay by first shuttle valve and mechanical-stretching arm, its output links to each other with the electric control end of knocker control valve by lead.
7, by the described converter taphole drilling equipment of claim 1, it is characterized in that advancing servo controller by toothed gear pump, regulator valve, one-way throttle valve body, the anti-sticking valve and first shuttle valve are formed, a control end of anti-sticking valve links to each other into and out of hydraulic fluid port by first shuttle valve and telescopic boom CD-ROM drive motor, another control end of anti-sticking valve links to each other with regulator valve by one-way throttle valve, link to each other with the oil outlet of toothed gear pump again simultaneously, advance the propelling servo hand brake control valve of the control valve of oil cylinder to export in the input terminus of anti-sticking valve and the disassembling furnace machine and link to each other.
8, by the described converter taphole drilling equipment of claim 7, it is characterized in that at the anti-sticking valve and advance between servo hand brake control valve and the rotary servovalve manually operated control valve being connected to guiding valve, check valve and second shuttle valve, check valve is connected the input of anti-sticking valve and advances between the outlet of servo hand brake control valve, guiding valve and second shuttle valve serial connection, they are connected between the rotary servovalve manually operated control valve output terminal of control valve of the input of anti-sticking valve and CD-ROM drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228361 CN2374551Y (en) | 1999-05-17 | 1999-05-17 | Boring device for converter tapping hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228361 CN2374551Y (en) | 1999-05-17 | 1999-05-17 | Boring device for converter tapping hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2374551Y true CN2374551Y (en) | 2000-04-19 |
Family
ID=34017761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99228361 Expired - Fee Related CN2374551Y (en) | 1999-05-17 | 1999-05-17 | Boring device for converter tapping hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2374551Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968315A (en) * | 2010-05-21 | 2011-02-09 | 许会忱 | Double-power furnace dismantling machine |
| CN102444081A (en) * | 2011-09-14 | 2012-05-09 | 温州东瓯建设集团有限公司 | Concrete crusher |
| CN102453787A (en) * | 2010-10-19 | 2012-05-16 | 宜昌市燕狮科技开发有限责任公司 | Self-propelled tap hole repairing vehicle |
| CN104677115A (en) * | 2015-03-16 | 2015-06-03 | 上海耀秦冶金设备技术有限公司 | Double-stroke calcium carbide furnace discharge conveyer |
| CN104975134A (en) * | 2015-07-13 | 2015-10-14 | 攀钢集团攀枝花钢铁研究院有限公司 | Hole boring machine of converter tapping hole |
| CN113882812A (en) * | 2021-08-23 | 2022-01-04 | 重庆宏工工程机械股份有限公司 | Intelligent small-sized vertical shaft drilling machine and drilling method in narrow space |
| CN117107007A (en) * | 2023-10-20 | 2023-11-24 | 山西诚至昊机电设备有限公司 | Furnace disassembly machine overall travel lengthening device |
-
1999
- 1999-05-17 CN CN 99228361 patent/CN2374551Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968315A (en) * | 2010-05-21 | 2011-02-09 | 许会忱 | Double-power furnace dismantling machine |
| CN102453787A (en) * | 2010-10-19 | 2012-05-16 | 宜昌市燕狮科技开发有限责任公司 | Self-propelled tap hole repairing vehicle |
| CN102444081A (en) * | 2011-09-14 | 2012-05-09 | 温州东瓯建设集团有限公司 | Concrete crusher |
| CN104677115A (en) * | 2015-03-16 | 2015-06-03 | 上海耀秦冶金设备技术有限公司 | Double-stroke calcium carbide furnace discharge conveyer |
| CN104677115B (en) * | 2015-03-16 | 2016-05-25 | 上海耀秦冶金设备技术有限公司 | Duplicate rows formula calcium carbide furnace discharging machine |
| CN104975134A (en) * | 2015-07-13 | 2015-10-14 | 攀钢集团攀枝花钢铁研究院有限公司 | Hole boring machine of converter tapping hole |
| CN113882812A (en) * | 2021-08-23 | 2022-01-04 | 重庆宏工工程机械股份有限公司 | Intelligent small-sized vertical shaft drilling machine and drilling method in narrow space |
| CN113882812B (en) * | 2021-08-23 | 2023-12-12 | 重庆宏工工程机械股份有限公司 | Intelligent small vertical shaft drilling machine in narrow space and drilling method |
| CN117107007A (en) * | 2023-10-20 | 2023-11-24 | 山西诚至昊机电设备有限公司 | Furnace disassembly machine overall travel lengthening device |
| CN117107007B (en) * | 2023-10-20 | 2024-01-02 | 山西诚至昊机电设备有限公司 | Furnace disassembly machine overall travel lengthening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |