CN107975601A - A kind of cutting arm of tunneling machine plug-in dustproof construction - Google Patents
A kind of cutting arm of tunneling machine plug-in dustproof construction Download PDFInfo
- Publication number
- CN107975601A CN107975601A CN201711268271.5A CN201711268271A CN107975601A CN 107975601 A CN107975601 A CN 107975601A CN 201711268271 A CN201711268271 A CN 201711268271A CN 107975601 A CN107975601 A CN 107975601A
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- China
- Prior art keywords
- dust cover
- fan
- seal ring
- wear
- groove
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Classifications
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The present invention relates to cantilevered rock tunnel(ling) machine, specifically a kind of cutting arm of tunneling machine plug-in dustproof construction, including connection flange, dust cover, inserted with the first groove in connection flange by the first protrusion of dust cover, inserted by second raised the second groove with dust cover for being confused seal ring to form labyrinth channel；Fan's seal ring is fixed on outer barrel；The oil sealing of connection flange forms the cavity of closing with dust cover, outer barrel, wear resistant filler, fan's seal ring, which is full of airtight and watertight padding；Wear resistant filler is embedded in the second groove of dust cover to be sealed, to prevent the slag charge into labyrinth channel from entering in airtight and watertight padding.Beneficial effects of the present invention are：Oil sealing and dust cover, outer barrel, wear resistant filler in connection flange, fan's seal ring form the cavity of a closing, and inside is full of airtight and watertight padding to stop slag charge；Second raised the second groove with dust cover for being confused seal ring at the same time inserts the labyrinth channel to be formed stop slag charge entrance；Oil sealing also stops that slag charge enters.
Description
Technical field
The present invention relates to cantilevered rock tunnel(ling) machine, is specifically a kind of cutting arm of tunneling machine plug-in dustproof construction.
Background technology
Cantilevered rock tunnel(ling) machine is a kind of special stone head heading equipment of massif constructing tunnel, mainly by vehicle with walking machine
Structure, body frame, operating mechanism etc. form.Cutting arm is one of important component of operating mechanism, and operating mechanism passes through in cutting arm
Main shaft rotation drives cutting head rotation to carry out cutting rock, and cutting arm can cut up and down.Rock tunnel(ling) machine is hard in cut
Easily occurs the tiny grit with corner angle during rock, the rubber ring of the very short a period of time floating seal of use is destroyed, cut
Arm oil leak is cut, tiny grit enters inside cutting arm, destroys bearing etc. and causes heavy losses.The damage of cutting arm will be forced and set
It is standby to stop production, manufacturing schedule is influenced, brings the waste of man power and material.
The content of the invention
, can be effective in view of the deficiencies of the prior art, the present invention provides a kind of cutting arm of tunneling machine plug-in dustproof construction
Stop the tiny grit with corner angle occurred during cut hard rock, protect floating seal and bearing.
In order to realize foregoing invention purpose, the present invention uses following technical scheme：A kind of cutting arm of tunneling machine plug-in is prevented
Dirt structure, including connection flange, dust cover, it is characterised in that by being arranged in the first protrusion and connection flange of dust cover
The first groove inserted and connection flange is interfixed with dust cover, fan's seal ring is by being arranged at the second convex of fan's seal ring
Rise and inserted with the second groove on dust cover to form labyrinth channel and fan's seal ring is interfixed with dust cover；Fan's seal ring is fixed
On outer barrel；The oil sealing of connection flange forms the cavity of closing with dust cover, outer barrel, wear resistant filler, fan's seal ring, which is full of
Airtight and watertight padding；In the second groove of dust cover wear resistant filler is embedded in be sealed, with prevent the slag charge into labyrinth channel into
Enter in airtight and watertight padding.
The dust cover point three parts form, and are dust cover inner cylinder, wear ring, wear rib respectively from inside to outside；It is dust-proof
Cover inner cylinder, wear ring interfix, and the first protrusion is made of the protrusion of dust cover inner cylinder, wear ring；Second groove is arranged at anti-
On dust hood inner cylinder.
The wear rib uniform welding is in wear ring border.Extension protects fan's seal ring on the right side of wear ring,
And forming small―gap suture between extension on the right side of fan's seal ring and wear ring prevents big slag charge from entering and destroying wear resistant filler.It is wear-resisting
Filler positioned at fan's seal ring, dust cover contact surface on, and positioned at fan's seal ring, between dust cover.
Some oil nozzles and screw plug are installed, for injecting airtight and watertight padding into cavity on dust cover.Table in dust cover inner cylinder
If face is equipped with dry sump.
Relative to the prior art, beneficial effects of the present invention are：It is oil sealing in connection flange and dust cover, outer barrel, wear-resisting
Filler, fan's seal ring form the cavity of a closing, and inside is full of airtight and watertight padding to stop slag charge；Second in dust cover inner cylinder is recessed
Groove is embedded in wear resistant filler and is sealed, and prevents that the slag charge into labyrinth channel from entering in airtight and watertight padding；Can be by with slag charge
Airtight and watertight padding is discharged, while checks that the situation of the airtight and watertight padding of discharge judges whether wear resistant filler fails；Wear rib and wear ring
Fan's seal ring can be protected, while wear rib facilitates look at abrasion condition, timely repair welding；Tube inner surface is equipped with some in dust cover
Oil groove, for storing airtight and watertight padding, while also has certain dustproof effect；Be confused seal ring second is raised recessed with second on dust cover
Groove inserts the labyrinth channel to be formed and stops that slag charge enters；Oil sealing also stops that slag charge enters.
Brief description of the drawings
Fig. 1 is cutting arm plug-in dustproof construction schematic diagram in the present invention；
Fig. 2 is connection flange schematic diagram in the present invention；
Fig. 3 is dust cover schematic diagram in the present invention；
Fig. 4 is fan's seal ring schematic diagram in the present invention；
Fig. 5 is connection flange of the present invention and dust cover scheme of installation；
In figure：1st, connection flange, 2, oil sealing, 3, airtight and watertight padding, 4, oil nozzle, 5, screw plug, 6, dust cover, 7, wear resistant filler, 8, fan
Seal ring, 9, outer barrel, the 10, first groove, 11, first is raised, the 12, second groove, and 13, second is raised, and 14, oil groove, 15, stretch out
Part, 6-1, wear rib, 6-2, wear ring, 6-3, dust cover inner cylinder.
Embodiment
The present invention is further described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, being provided with oil sealing 2 in connection flange 1, dust cover 6 passes through in the first protrusion 11 and connection flange 1
First groove 10 insert blending bolt connection and fix passing through on the second protrusion 13 and dust cover 6 as shown in figure 5, being confused seal ring 8
The inserting of the second groove 12 form labyrinth channel, and dust cover inner cylinder 6-3 the second groove 12 be embedded in wear resistant filler 7 into
Row sealing, prevents that the slag charge into labyrinth channel from entering in airtight and watertight padding 3.Fan's seal ring 8 is bolted on outer barrel 9.The
On dust cover inner cylinder 6-3, the wear ring 6-2 of dust cover 6, the second groove 12 is located on dust cover inner cylinder 6-3 one protrusion 11；
And first is raised different with the inserting position of the inserting position of the first groove, the second groove and the second protrusion.The second of dust cover
There is small gap between second protrusion of groove and fan's seal ring, which is labyrinth channel.The part of airtight and watertight padding 3 is positioned at connection
Between flange 1 and dust cover 6, another part is between dust cover 6 and outer barrel.
Oil sealing 2 in connection flange 1 forms the cavity of a closing with dust cover 6, outer barrel 9, wear resistant filler 7, fan's seal ring 8
（The cavity is airtight and watertight padding position）, inside is full of airtight and watertight padding 3 to stop slag charge.Oil sealing 2 is close to dust cover, outer barrel 9
It is connected with dust cover 6.Wear resistant filler 7 positioned at fan's seal ring, dust cover contact surface on, and positioned at fan's seal ring, between dust cover.It is anti-
The cavity for airtight and watertight padding injection is equipped with dust hood, airtight and watertight padding can be the sticky hydraulic oil such as butter, and 6 surface of dust cover is set
There are several holes, hole is closed by dismountable screw plug 5, and hole is connected with cavity, and is equipped with oil nozzle positioned at the lower section of screw plug 5 in cavity, oil
Mouth is used for toward injection wear resistant filler in cavity.
Some oil nozzles 4 and screw plug 5 are installed on dust cover 6, for injecting airtight and watertight padding 3 into cavity, or will be indivedual
Oil nozzle 4 and screw plug 5 are dismantled, and inject new airtight and watertight padding 3 into cavity from the oil nozzle 4 of other side, can be by with the close of slag charge
Packing material 3 is discharged, while checks that the situation of the airtight and watertight padding 3 of discharge judges whether wear resistant filler 7 fails.If the sealing of discharge
Filler 3 carries more slag charge, then wear resistant filler failure is, it is necessary to replace wear resistant filler.
In maintenance, dust cover 6 and the fixing bolt of connection flange 1 can be dismantled, fan's seal ring 8 and the fixation spiral shell of outer barrel 9
Bolt is dismantled, and fan's seal ring 8 is moved right wear resistant filler 7 is overhauled or replaced.Dust cover 6 is overall to the right with fan's seal ring 8
It is mobile, it can overhaul or clear up airtight and watertight padding 3.
As shown in figure 3,6 points of three parts of dust cover form, it is dust cover inner cylinder 6-3, wear ring 6-2, wear rib 6- respectively
1.Dust cover inner cylinder 6-3, wear ring 6-2 are fixed together, and both of which has the first protrusion 11（I.e. first protrusion is by dust cover inner cylinder
The raised composition of 6-3, wear ring 6-2）, extension 15 protects fan's seal ring 8 on the right side of wear ring 6-2, while both（Fan
Seal ring and extension on the right side of wear ring）Between form small―gap suture and prevent big slag charge from entering and destroying wear resistant filler 7.Wear rib
6-1 uniform weldings can intuitively be observed and repair welding in time is wear-resisting in wear ring 6-2 borders very much after wear rib 6-1 abrasions
Bar, wear ring 6-2 can also protect fan's seal ring 8 if not timely repair welding wear rib 6-1.
If dust cover inner cylinder 6-3 inner surfaces are equipped with dry sump 14, for storing airtight and watertight padding, while also there is certain dust-proof work
With.
It should be noted that the foregoing is merely the embodiment of the present invention, it is not intended to limit the scope of the invention,
Every equivalent structure or equivalent flow shift done using present specification, is directly or indirectly used in other phases
Technical field is closed, is included within the scope of the present invention.
Claims (7)
1. a kind of cutting arm of tunneling machine plug-in dustproof construction, including connection flange, dust cover, it is characterised in that pass through setting
Inserted in the first protrusion of dust cover with the first groove in connection flange and connection flange is interfixed with dust cover,
Fan is inserted to form labyrinth channel and make fan's seal ring by being arranged at second raised the second groove with dust cover of fan's seal ring
Interfix with dust cover；Fan's seal ring is fixed on outer barrel；The oil sealing of connection flange is sealed with dust cover, outer barrel, wear resistant filler, fan
Ring forms the cavity of closing, which is full of airtight and watertight padding；Wear resistant filler is embedded in the second groove of dust cover to be sealed,
To prevent the slag charge into labyrinth channel from entering in airtight and watertight padding.
2. a kind of cutting arm of tunneling machine plug-in dustproof construction according to claim 1, it is characterised in that described is dust-proof
A cover point three parts form, and are dust cover inner cylinder, wear ring, wear rib respectively from inside to outside；Dust cover inner cylinder, wear ring are mutually solid
Fixed, the first protrusion is made of the protrusion of dust cover inner cylinder, wear ring；Second groove is arranged on dust cover inner cylinder.
3. a kind of cutting arm of tunneling machine plug-in dustproof construction according to claim 2, it is characterised in that described is wear-resisting
Bar uniform welding is in wear ring border.
4. a kind of cutting arm of tunneling machine plug-in dustproof construction according to claim 2, it is characterised in that on the right side of wear ring
Extension protects fan's seal ring, and formation small―gap suture prevents big slag between extension on the right side of fan's seal ring and wear ring
Material enters and destroys wear resistant filler.
A kind of 5. cutting arm of tunneling machine plug-in dustproof construction according to claim 1, it is characterised in that wear resistant filler position
In fan's seal ring, dust cover contact surface on, and positioned at fan's seal ring, between dust cover.
6. a kind of cutting arm of tunneling machine plug-in dustproof construction according to claim 1, it is characterised in that pacify on dust cover
Equipped with some oil nozzles and screw plug, for injecting airtight and watertight padding into cavity.
A kind of 7. cutting arm of tunneling machine plug-in dustproof construction according to claim 2, it is characterised in that dust cover inner cylinder
If inner surface is equipped with dry sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268271.5A CN107975601A (en) | 2017-12-05 | 2017-12-05 | A kind of cutting arm of tunneling machine plug-in dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268271.5A CN107975601A (en) | 2017-12-05 | 2017-12-05 | A kind of cutting arm of tunneling machine plug-in dustproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975601A true CN107975601A (en) | 2018-05-01 |
Family
ID=62009388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268271.5A Pending CN107975601A (en) | 2017-12-05 | 2017-12-05 | A kind of cutting arm of tunneling machine plug-in dustproof construction |
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| CN (1) | CN107975601A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899974A (en) * | 2010-08-03 | 2010-12-01 | 三一重型装备有限公司 | Development machine and floating sealing device thereof |
| 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 |
| CN103759049A (en) * | 2014-01-15 | 2014-04-30 | 常林股份有限公司 | Heading machine cutting arm |
| CN203686141U (en) * | 2013-12-30 | 2014-07-02 | 凯盛重工有限公司 | Separated floating seal for work arm of heading machine |
| CN205206818U (en) * | 2015-12-01 | 2016-05-04 | 上海创力集团股份有限公司 | Seal behind entry driving machine and to lubricate formula cutterhead device |
| CN207740467U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of cutting arm of tunneling machine plug-in dustproof construction |
-
2017
- 2017-12-05 CN CN201711268271.5A patent/CN107975601A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899974A (en) * | 2010-08-03 | 2010-12-01 | 三一重型装备有限公司 | Development machine and floating sealing device thereof |
| 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 |
| CN203686141U (en) * | 2013-12-30 | 2014-07-02 | 凯盛重工有限公司 | Separated floating seal for work arm of heading machine |
| CN103759049A (en) * | 2014-01-15 | 2014-04-30 | 常林股份有限公司 | Heading machine cutting arm |
| CN205206818U (en) * | 2015-12-01 | 2016-05-04 | 上海创力集团股份有限公司 | Seal behind entry driving machine and to lubricate formula cutterhead device |
| CN207740467U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of cutting arm of tunneling machine plug-in dustproof construction |
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