CN104453892A - Heading machine and inner spraying system of cutting part of heading machine - Google Patents
Heading machine and inner spraying system of cutting part of heading machine Download PDFInfo
- Publication number
- CN104453892A CN104453892A CN201410625001.5A CN201410625001A CN104453892A CN 104453892 A CN104453892 A CN 104453892A CN 201410625001 A CN201410625001 A CN 201410625001A CN 104453892 A CN104453892 A CN 104453892A
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- China
- Prior art keywords
- water distribution
- water
- spraying system
- floating seal
- main shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention provides a heading machine and an inner spraying system of a cutting part of the heading machine. The inner spraying system of the cutting part of the heading machine, provided by the invention, comprises an outer barrel, a cutting main shaft, a floating sealing piece and a water distribution spacer bush, wherein the floating sealing piece comprises a floating sealing frame provided with a static ring, and a floating sealing seat provided with a movable ring; a rotary sealing piece is arranged between the water distribution spacer bush and the floating sealing frame; and the water distribution spacer bush is arranged on the outer side of the floating sealing seat. By virtue of the inner spraying system of the cutting part of the heading machine, provided by the invention, the leakage of the inner spraying system of the cutting part can be found in time, faults caused by the leakage of the inner spraying system are reduced, and the maintenance cost is reduced.
Description
Technical field
The present invention relates to tunnel operation machine tool field, more specifically, relate to the internal spraying system of a kind of development machine and cutting units thereof.
Background technology
At present, tunnel boom-type roadheader cutting units generally has internal spraying system, and its function is the rotation along with cutterhead in headwork process, while cutterhead is to coal petrography cut, ejection water smoke, to cut tooth and coal petrography contact site, realizes the functions such as depositing dust, cooling, arc extinguishing.Water due to what circulate in internal spraying system, and the bearing of cutting units inner support cut main shaft is in and is filled with in the bearing bore of lubrication oil, mix with lubrication oil for avoiding the water in internal spraying system to be leaked in bearing bore, cause lubricant grease emulsification, bearing lubrication inefficacy, internal spraying system all has corresponding hermetically-sealed construction.
Be disclose a kind of typical internal spraying system in the patent document of CN200720185332.7 at number of patent application, it comprises: urceolus, cut main shaft, floating seal and water distribution spacer.Wherein, urceolus is provided with inlet channel, cut main shaft is provided with water outlet, inlet channel and water outlet are communicated by the water channel offered in floating seal and water distribution spacer.Particularly, floating seal comprises the floating seal frame being provided with Jing Quan and the floating seal seat being provided with moving-coil, and floating seal is fluid seal conventional in prior art.Floating seal frame is fixedly connected with the outer end of urceolus, and the water channel on floating seal is arranged in floating seal frame.Floating seal cover for seat to be located between floating seal frame and cut main shaft and with cut main shaft coaxial linkage, and be positioned at the outside of water distribution spacer and adjacent with cutterhead.For rotatory sealing is secondary between floating seal seat and floating seal frame, auto-compensation and adapt to the circular runout of cut main shaft rotary course after floating seal can realize wearing and tearing, avoids fluid to leak outside.Water distribution spacer is sleeved between floating seal frame and cut main shaft, is positioned at the inner side of floating seal seat, adjacent with the bearing bore that lubricant grease is housed, and water distribution spacer is under all there is the environment of fluid both sides.During internal spraying system water flowing, water distribution spacer and cut main shaft link, water in inlet channel enters into the water outlet ejection in cut main shaft by the water channel in the water channel in floating seal frame, water distribution spacer, between floating seal frame and water distribution spacer, rotating seal being installed, entering in bearing bore for avoiding water.
Contamination due to development machine is serious and to there is shock loading, internal spraying system hydraulic pressure comparatively large, and wearing and tearing in the rotating seal course of work therefore between floating seal frame and water distribution spacer comparatively large, is the Frequent Troubles point of development machine.Once after this place's rotating seal is damaged and causes water-stop to lose efficacy, mix with grease fluid in the bearing bore that water can enter cutting units inside at once.And be not easily timely detected during the generation of this fault, when a fault is found, often fluid emulsification, need the rotating seal that more renews and fluid, the damage (as bearing, floating seal) of miscellaneous part also may be caused time serious, cause other concurrent faults, cause maintenance cost to remain high.
Therefore, how Timeliness coverage cutting units internal spraying system leaks, and is that this area needs the technical barrier that will solve badly to reduce because internal spraying system leaks the fault caused.
Summary of the invention
Based on above-mentioned technical barrier, the present invention provide firstly a kind of internal spraying system of cutting part of heading machine, can the leakage of Timeliness coverage cutting units internal spraying system, reduces because internal spraying system reveals the fault caused.Present invention also offers a kind of development machine.
The internal spraying system of a kind of cutting part of heading machine provided by the invention, comprises urceolus, cut main shaft, floating seal and water distribution spacer; Floating seal comprises the floating seal frame being provided with Jing Quan and the floating seal seat being provided with moving-coil, and be provided with rotating seal between water distribution spacer and floating seal frame, water distribution spacer is arranged in the outside of floating seal seat.
Further, floating seal frame comprises the terminal pad and water distribution dish that removably connect; Terminal pad is arranged on the outer end of urceolus; Water distribution dish is set between terminal pad and water distribution spacer, and relative with terminal pad fixing; Floating seal cover for seat is located between terminal pad and cut main shaft, and is positioned at the inner side of water distribution dish; Rotating seal is between water distribution dish and water distribution spacer.
Further, the outer end of cut main shaft is provided with cutterhead, and water distribution spacer is connected by key with cutterhead, and floating seal seat is connected by key with water distribution spacer.
Further, the bolt that water distribution dish is arranged by radial direction with terminal pad is connected, and the first static seal is provided therebetween.
Further, between cutterhead and water distribution dish, dust slinger is installed.
Further, the outside of water distribution spacer is by the retainer ring spacing be arranged on cut main shaft.
Further, rotating seal is that polytetrafluoroethylene (PTFE) lattice Levin encloses or injecting type sealing jelly.
Further, between floating seal seat and cut main shaft, be provided with the second static seal, between water distribution spacer and cut main shaft, be provided with the 3rd static seal.
Further, be provided with the first axial water channel and the second radial water channel in terminal pad, the first water channel communicates with the inlet channel on urceolus, and the second water channel communicates with the first water channel; Be provided with the 3rd radial water channel in water distribution dish, water inlet and second water channel of the 3rd water channel communicate, and the delivery port position of corresponding 3rd water channel of internal perisporium of water distribution dish is provided with the first annular diversion trench; Be provided with the 4th radial water channel in water distribution spacer, water inlet and first annular diversion trench of the 4th water channel communicate, and the delivery port position of corresponding 4th water channel of internal perisporium of water distribution spacer is provided with the second annular diversion trench; Water outlet in cut main shaft communicates with the second annular diversion trench.
A kind of development machine provided by the invention, comprises cutting units, and described cutting units is provided with above-mentioned internal spraying system.
The internal spraying system of cutting part of heading machine provided by the invention, the scheme in outside water distribution spacer being arranged in floating seal seat is creatively proposed, make water distribution spacer external adjacent with cutterhead, floating seal seat is built-in adjacent with bearing bore, known in conjunction with prior art, water distribution spacer is set between floating seal frame and cut main shaft, and the water outlet on the inlet channel on urceolus and cut main shaft is communicated by the water channel in floating seal frame and water distribution spacer.Like this, after the rotating seal wear out failure arranged between water distribution spacer and floating seal frame, under the barrier effect of floating seal seat and floating seal frame, water can at once outsidely from the gap between floating seal frame and water distribution spacer to cutting units be discharged, be not easy to enter in bearing bore, and because hydraulic pressure is larger, revealing effect can be clearly, operator's Timeliness coverage leakage failure can be made, and rotating seal is changed, thus the water significantly reducing internal spraying system enters in bearing bore and causes oil emulsifying and the risk producing other concurrent faults, effectively reduce the maintenance cost of development machine.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the cross-section structure of the internal spraying system of the cutting part of heading machine that first embodiment of the invention provides;
Fig. 2 shows the cross-section structure of the internal spraying system of the cutting part of heading machine that second embodiment of the invention provides;
Fig. 3 shows the partial enlargement structure of Fig. 2.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
See Fig. 1, show the structure of the internal spraying system (hereinafter referred to as internal spraying system) of the cutting part of heading machine that the embodiment of the present invention provides.As shown in the figure, this internal spraying system comprises urceolus 1, cut main shaft 2, floating seal 3 and water distribution spacer 4.
Known in conjunction with prior art, urceolus 1 is by bearings cut main shaft 2, and the outer end of cut main shaft 2 is provided with cutterhead 9.Urceolus 1 is provided with inlet channel 11, in cut main shaft 2, is provided with water outlet 21.Floating seal 3 comprises the floating seal frame 31 being provided with Jing Quan and the floating seal seat 32 being provided with moving-coil, and floating seal frame 31 is fixedly connected with relatively with the outer end (being also external part) of urceolus 1, is provided with water channel in floating seal frame 31; Floating seal seat 32 is set between floating seal frame 31 and cut main shaft 2, and with cut main shaft 2 coaxial linkage, form rotatory sealing pair between floating seal seat 32 and floating seal frame 31.Floating seal 3 leaks outside for avoiding bearing bore inner fluid, and auto-compensation and adapt to the circular runout of cut main shaft 2 rotary course after can realizing wearing and tearing.Water distribution spacer 4 is set between floating seal frame 31 and cut main shaft 2, and water distribution spacer 4 and cut main shaft 2 coaxial linkage.Be provided with water channel in floating seal frame 31, be also provided with water channel in water distribution spacer 4, inlet channel 11 is communicated with water outlet 21 by the water channel in the water channel in floating seal frame 31 and water distribution spacer 4.Rotating seal 5 is provided with between water distribution spacer 4 and floating seal frame 31.
As can be seen from Figure, in the present embodiment, water distribution spacer 4 is arranged in the outside of floating seal seat 32, make water distribution spacer 4 external adjacent with cutterhead 9, floating seal seat 32 is built-in adjacent with bearing bore (in figure non-label), water distribution spacer 4 is no longer under all there is the environment of fluid both sides, like this, after rotating seal 5 wear out failure arranged between water distribution spacer 4 and floating seal frame, under the sealing barrier effect of floating seal seat 32 and floating seal frame 31, water can be leaked to cutting units outside from the gap between floating seal frame 31 and water distribution spacer 4 from cutting arm front end at once, be not easy to enter in bearing bore, and because hydraulic pressure is larger, revealing effect can be clearly, operator's Timeliness coverage leakage failure can be made, and rotating seal 5 is changed, thus the water significantly reducing internal spraying system enters in bearing bore and causes oil emulsifying and the risk producing other concurrent faults, effectively reduce the maintenance cost of development machine.
During the internal spraying system water flowing that the present embodiment provides, press water enters the water channel of floating seal frame 1 from inlet channel 11, then enters the water channel of water distribution spacer 4, finally enters in the drain 21 of cut main shaft 2, sprays from the front end of cut main shaft 2.
It should be noted that, " outside " involved in various embodiments of the present invention all refers to towards the side of cutterhead is outside, correspondingly, deviates from the side of cutterhead for " inner side ".
Preferably, in the present embodiment, water distribution spacer 4 is connected by key with cutterhead 9, and floating seal seat 32 is connected by key with water distribution spacer 4.When cutting units is started working, cut main shaft 2 drives cutterhead 9 to rotate, and cutterhead 9 drives water distribution spacer 4 to rotate, and water distribution spacer 4 drives floating seal seat 32 to rotate, and realizes the coaxial linkage of water distribution spacer 4, floating seal seat 32 and cut main shaft 2.Certainly, water distribution spacer 4 and floating seal seat 32 have a variety of with the coaxial linkage mode of cut main shaft 2, do not enumerate at this.
Preferably; the outside of water distribution spacer 4 is spacing by the back-up ring 82 be arranged on cut main shaft 2; realize the axial location of water distribution spacer 4; like this, after rotating seal 5 lost efficacy, can successively cutterhead 9 and back-up ring 82 be pulled down; water distribution spacer 4 can be taken off easily; and change the rotating seal 5 damaged, thus shorten the fault power time of development machine, improve efficiency of construction.
Preferably, rotating seal 5 can be that polytetrafluoroethylene (PTFE) lattice Levin encloses, and has the advantages such as high pressure resistant, wear-resistant, high temperature resistant.Or, rotating seal 5 can adopt injecting type to seal jelly, its working method for offer some apertures on floating seal frame 31, directly pass in the seal groove for installing rotating seal 5, the special filling gun of gelatin filler is injected in seal groove, after forming certain pressure, sealing function can be produced.After development machine work a period of time, only need in hole, to inject certain gelatin filler again, can keep the continuous operation of development machine after making it to reach pressure requirements, without the need to dismounting, cost is also low.It should be noted that, the rotatory sealing pair that floating seal seat 32 and floating seal frame 31 are formed also can adopt polytetrafluoroethylene (PTFE) lattice Levin to enclose or the sealing of injecting type sealing jelly.
Referring to Fig. 2 and Fig. 3, show the second preferred embodiment of the present invention, as shown in the figure, be with the main difference part of above-mentioned first embodiment, the structure of floating seal frame 31 and water distribution spacer 4 is optimized.As shown in the figure, floating seal frame 31 comprises the terminal pad 311 and water distribution dish 312 that removably connect.Terminal pad 311 is arranged on the external part of urceolus 1.Water distribution dish 312 is set between terminal pad 311 and water distribution spacer 4, relative with terminal pad 311 fixing, and preferably, the bolt that water distribution dish 312 is arranged by radial direction with terminal pad 311 is connected.Water distribution dish 312 and water distribution spacer 4 are rotatably assorted, and rotating seal 5 is between water distribution dish 312 and water distribution spacer 4.Floating seal seat 32 is set between terminal pad 311 and cut main shaft 2, and is positioned at the inner side of water distribution dish 312, and floating seal seat 32 is connected dish 311 and water distribution dish 312 semi-surrounding.Known compared with above-mentioned first embodiment; by arranging this water distribution dish 312; the peripheral radius of water distribution spacer 4 can significantly reduce; the radius of rotating seal 5 supporting with it is also reduced; when rotating seal 5 adopts product of rubber and plastic; also reduce because radius reduces linear velocity, rotating seal 5 is extended application life, contributes to reducing fault rate and shutdown maintenance frequency.
Preferably, for strengthening water-stop effect and fluid sealing effectiveness, at water distribution dish 312 and terminal pad 311, first static seal 61 is provided therebetween, the second static seal 62 is provided with between floating seal seat 32 and cut main shaft 2, the 3rd static seal 63, first static seal 61, second static seal 62 is provided with and the 3rd static seal 63 can be O type circle between water distribution spacer 4 and cut main shaft 2.
The channel structure in a kind of floating seal frame 31 of easy processing and manufacturing and water distribution spacer 4 is also show in the present embodiment.In conjunction with referring to figs. 2 and 3, preferably, be provided with axial first water channel 71 and the second radial water channel 72, first water channel 71 communicates with the delivery port of the inlet channel 11 on urceolus 1 in terminal pad 311, the second water channel 72 communicates with the first water channel 71.The water inlet and the second water channel 72 that are provided with the 3rd radial water channel the 73, three water channel 73 in water distribution dish 312 communicate, and the delivery port position of corresponding 3rd water channel 73 of internal perisporium of water distribution dish 312 is provided with the first annular diversion trench 75.The water inlet and the first annular diversion trench 75 that are provided with the 4th radial water channel the 74, four water channel 74 in water distribution spacer 4 communicate, and the delivery port position of corresponding 4th water channel 74 of internal perisporium of water distribution spacer 4 is provided with the second annular diversion trench 76.The water inlet of the water outlet 21 in cut main shaft 2 communicates with the second annular diversion trench 76.On urceolus 1, the structure of inlet channel 11 and cut main shaft 2 upper water outlet 21 with reference to prior art, can not repeat them here.
During the internal spraying system water flowing that the present embodiment provides, press water enters water outlet 21 through the first water channel 71, second water channel 72, the 3rd water channel 73, first annular diversion trench 75, the 4th water channel 74 and the second annular diversion trench 76 from inlet channel 11 successively, then sprays from the front end of cut main shaft 2.It should be noted that, the channel structure in floating seal frame 31 and water distribution spacer 4 has a variety of, if can reach make to seal between inlet channel 11 and water outlet 21 through-flow.
Preferably, dust slinger 81 is installed between cutterhead 9 and water distribution dish 312, avoids dust to enter cutterhead inside.
The embodiment of the present invention additionally provides a kind of development machine, comprises cutterhead, and this cutterhead is provided with above-mentioned internal spraying system.The internal spraying system provided because of the embodiment of the present invention can reach above-mentioned technique effect, and application has the development machine of this internal spraying system also should possess corresponding technique effect, does not repeat them here.
These are only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an internal spraying system for cutting part of heading machine, comprises urceolus (1), cut main shaft (2), floating seal (3) and water distribution spacer (4); Described floating seal (3) comprises the floating seal frame (31) being provided with Jing Quan and the floating seal seat (32) being provided with moving-coil, rotating seal (5) is provided with between described water distribution spacer (4) and described floating seal frame (31), it is characterized in that, described water distribution spacer (4) is arranged in the outside of described floating seal seat (32).
2. internal spraying system according to claim 1, is characterized in that,
Described floating seal frame (31) comprises the terminal pad (311) and water distribution dish (312) that removably connect; Described terminal pad (311) is arranged on the outer end of described urceolus (1); Described water distribution dish (312) is set between described terminal pad (311) and described water distribution spacer (4), and relative fixing with described terminal pad (311); Described floating seal seat (32) is set between described terminal pad (311) and described cut main shaft (2), and is positioned at the inner side of described water distribution dish (312);
Described rotating seal (5) is positioned between described water distribution dish (312) and described water distribution spacer (4).
3. internal spraying system according to claim 2, it is characterized in that, the outer end of described cut main shaft (1) is provided with cutterhead (9), described water distribution spacer (4) is connected by key with described cutterhead, and described floating seal seat (32) is connected by key with described water distribution spacer (4).
4. internal spraying system according to claim 2, is characterized in that, the bolt that described water distribution dish (312) is arranged by radial direction with described terminal pad (311) is connected, and the first static seal (61) is provided therebetween.
5. internal spraying system according to claim 3, is characterized in that, is provided with dust slinger (81) between described cutterhead (9) and described water distribution dish (312).
6. internal spraying system according to claim 1, is characterized in that, the outside of described water distribution spacer (4) is spacing by the back-up ring (82) be arranged on described cut main shaft (2).
7. internal spraying system according to claim 1, is characterized in that, described rotating seal (5) encloses for polytetrafluoroethylene (PTFE) lattice Levin or injecting type seals jelly.
8. internal spraying system according to any one of claim 1 to 7, it is characterized in that, be provided with the second static seal (62) between described floating seal seat (32) and described cut main shaft (2), between described water distribution spacer (4) and described cut main shaft (2), be provided with the 3rd static seal (63).
9. the internal spraying system according to any one of claim 2 to 7, is characterized in that,
Axial the first water channel (71) and radial the second water channel (72) is provided with in described terminal pad (311), described first water channel (71) communicates with the inlet channel (11) on described urceolus (1), and described second water channel (72) communicates with described first water channel (71);
The 3rd radial water channel (73) is provided with in described water distribution dish (312), water inlet and described second water channel (72) of described 3rd water channel (73) communicate, and the delivery port position of corresponding described 3rd water channel (73) of internal perisporium of described water distribution dish (312) is provided with the first annular diversion trench (75);
The 4th radial water channel (74) is provided with in described water distribution spacer (4), water inlet and described first annular diversion trench (75) of described 4th water channel (74) communicate, and the delivery port position of corresponding described 4th water channel (74) of internal perisporium of described water distribution spacer (4) is provided with the second annular diversion trench (76);
Water outlet (21) in described cut main shaft (2) communicates with described second annular diversion trench (76).
10. a development machine, comprises cutting units, it is characterized in that, described cutting units is provided with the internal spraying system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625001.5A CN104453892A (en) | 2014-11-06 | 2014-11-06 | Heading machine and inner spraying system of cutting part of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625001.5A CN104453892A (en) | 2014-11-06 | 2014-11-06 | Heading machine and inner spraying system of cutting part of heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN104453892A true CN104453892A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410625001.5A Pending CN104453892A (en) | 2014-11-06 | 2014-11-06 | Heading machine and inner spraying system of cutting part of heading machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832173A (en) * | 2015-04-07 | 2015-08-12 | 徐州徐工基础工程机械有限公司 | High-pressure water sealing device for heading machine and heading machine |
| CN104948185A (en) * | 2015-07-15 | 2015-09-30 | 张文涛 | Multi-stage mechanical sealing type internal spray rotating water sealing device of heading machine |
| CN105114473A (en) * | 2015-08-04 | 2015-12-02 | 上海创力集团股份有限公司 | Tunneling machine stretching part structure |
| CN105464663A (en) * | 2015-12-31 | 2016-04-06 | 辽宁鑫众科技股份有限公司 | Cutting part of inner spraying type heading machine |
| CN107605483A (en) * | 2017-09-26 | 2018-01-19 | 北京中科威能技术服务有限公司 | Suspending sealing device, inner sprayer unit and development machine |
| CN108035731A (en) * | 2017-12-05 | 2018-05-15 | 徐州徐工基础工程机械有限公司 | A kind of cantilevered rock tunnel(ling) machine hard rock cutting arm |
| CN109098709A (en) * | 2018-10-29 | 2018-12-28 | 三重型装备有限公司 | Telescopic tunneling machine cutting head system and development machine |
| CN109958436A (en) * | 2019-05-10 | 2019-07-02 | 沈阳劲通机械制造有限公司 | A kind of pars contractilis internal spraying water system of development machine |
| CN113418008A (en) * | 2021-08-23 | 2021-09-21 | 三一重型装备有限公司 | Rotary water sealing structure, cutting arm and heading machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876254A (en) * | 1973-11-05 | 1975-04-08 | Dresser Ind | Mining machine with apparatus for supplying dust suppression liquid to rotating cutting head |
| DE4227584A1 (en) * | 1992-08-20 | 1994-02-24 | Freier Fritz Fa | Cutter-head for rock- or coal-mining - has plungers in circle in blind holes connected to coolant supply forming seal between stationary and rotary halves |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN201412152Y (en) * | 2009-05-31 | 2010-02-24 | 佳木斯煤矿机械有限公司 | Internal spraying sealing device of boring machine |
| CN103671929A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel full-sealing device for cutting component of roadheader |
| CN103670410A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel internal spraying inflow mechanism of tunneling machine |
-
2014
- 2014-11-06 CN CN201410625001.5A patent/CN104453892A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876254A (en) * | 1973-11-05 | 1975-04-08 | Dresser Ind | Mining machine with apparatus for supplying dust suppression liquid to rotating cutting head |
| DE4227584A1 (en) * | 1992-08-20 | 1994-02-24 | Freier Fritz Fa | Cutter-head for rock- or coal-mining - has plungers in circle in blind holes connected to coolant supply forming seal between stationary and rotary halves |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN201412152Y (en) * | 2009-05-31 | 2010-02-24 | 佳木斯煤矿机械有限公司 | Internal spraying sealing device of boring machine |
| CN103671929A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel full-sealing device for cutting component of roadheader |
| CN103670410A (en) * | 2012-09-17 | 2014-03-26 | 林州重机集团股份有限公司 | Novel internal spraying inflow mechanism of tunneling machine |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832173A (en) * | 2015-04-07 | 2015-08-12 | 徐州徐工基础工程机械有限公司 | High-pressure water sealing device for heading machine and heading machine |
| CN104948185B (en) * | 2015-07-15 | 2017-03-29 | 张文涛 | The sealed development machine internal spraying of multi-stage mechanical rotates water sealing device |
| CN104948185A (en) * | 2015-07-15 | 2015-09-30 | 张文涛 | Multi-stage mechanical sealing type internal spray rotating water sealing device of heading machine |
| CN105114473B (en) * | 2015-08-04 | 2018-08-07 | 上海创力集团股份有限公司 | A kind of flexible part of heading machine structure |
| CN105114473A (en) * | 2015-08-04 | 2015-12-02 | 上海创力集团股份有限公司 | Tunneling machine stretching part structure |
| CN105464663A (en) * | 2015-12-31 | 2016-04-06 | 辽宁鑫众科技股份有限公司 | Cutting part of inner spraying type heading machine |
| CN105464663B (en) * | 2015-12-31 | 2017-08-25 | 辽宁鑫众科技股份有限公司 | A kind of internal spraying formula cutting part of heading machine |
| CN107605483A (en) * | 2017-09-26 | 2018-01-19 | 北京中科威能技术服务有限公司 | Suspending sealing device, inner sprayer unit and development machine |
| CN107605483B (en) * | 2017-09-26 | 2024-03-26 | 唯实重工股份有限公司 | Suspension sealing device, internal spraying device and heading machine |
| CN108035731A (en) * | 2017-12-05 | 2018-05-15 | 徐州徐工基础工程机械有限公司 | A kind of cantilevered rock tunnel(ling) machine hard rock cutting arm |
| CN108035731B (en) * | 2017-12-05 | 2024-01-30 | 徐州徐工基础工程机械有限公司 | Cantilever type tunnel boring machine hard rock cutting arm |
| CN109098709A (en) * | 2018-10-29 | 2018-12-28 | 三重型装备有限公司 | Telescopic tunneling machine cutting head system and development machine |
| CN109098709B (en) * | 2018-10-29 | 2024-02-13 | 三一重型装备有限公司 | Cutting head system of telescopic heading machine and heading machine |
| CN109958436A (en) * | 2019-05-10 | 2019-07-02 | 沈阳劲通机械制造有限公司 | A kind of pars contractilis internal spraying water system of development machine |
| CN109958436B (en) * | 2019-05-10 | 2024-04-12 | 沈阳劲通机械制造有限公司 | Spray water system in telescopic part of heading machine |
| CN113418008A (en) * | 2021-08-23 | 2021-09-21 | 三一重型装备有限公司 | Rotary water sealing structure, cutting arm and heading machine |
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Application publication date: 20150325 |