CN201110177Y - External water channel inner spraying device - Google Patents
External water channel inner spraying device Download PDFInfo
- Publication number
- CN201110177Y CN201110177Y CN 200720185081 CN200720185081U CN201110177Y CN 201110177 Y CN201110177 Y CN 201110177Y CN 200720185081 CN200720185081 CN 200720185081 CN 200720185081 U CN200720185081 U CN 200720185081U CN 201110177 Y CN201110177 Y CN 201110177Y
- Authority
- CN
- China
- Prior art keywords
- cavity
- cutting head
- water
- wall
- ring
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to an external spraying device in a water channel and a telescopic protection canister is arranged in a cutting head cavity. The device is characterized in that a connected block is a stick block with a through hole and is axially arranged on the inner wall of the telescopic protection canister to the inner wall of the cutting head cavity, a water inlet is arranged on one end of the connected block, the other end of the connected block is communicated with a hidden slot water cavity in the inner wall of the cutting head cavity, the terminal end of the water cavity is connected with each nozzle on the surface of a cutting head, a dustproof ring, an antiwear ring and packing rings on two sides of the water cavity are arranged on the combining ring surface of the telescopic protection canister and the inner wall of the cutting head in turn from outside to inside, the sealing of the design is arranged between the protection canister wall and the cutting head, which reduces intermediate links and enables the sealing to be more reliable, and the device can work under the condition that the hydraulic pressure is 30MPa. Even when the sealing is unavailable and leakage occurs, water flows out of a main body directly, which prevents a cutting part from damaging wholly. The antiwear ring outside the packing ring can play a supporting role, the cutting head is changed from a single support to double supports, the device is more stable when in work, and the ability to break coal is intensified.
Description
Technical field
The utility model relates to cooling structure in the equipment, a kind of development machine external type water channel inner sprayer unit.
Background technology
The cutterhead internal spraying system of development machine use now; the water route all is to pass through the floating seal seat to spacer and final drive shaft from the connection piece of protecting barrel; pass to inner spline housing by the duct at final drive shaft center again; pass to the cutterhead water cavity then; pass to each nozzle by the some water holes that link to each other with water cavity, spray by nozzle at last.Being sealed between floating seal seat, spacer and the main shaft of this internal spraying system.Its shortcoming is obvious, is exactly the weak point in application life, and the oil pocket of flexible inner core is interior to be mixed with lubrication oil in case the water that lost efficacy will flow to, and lubrication circumstances is degenerated, and shortens the application life of whole cutting units.
Summary of the invention
The purpose of this utility model provides a kind of external type water channel inner sprayer unit, changes the water route arrangement and makes sealing reliable, prolongs the application life of cutting units.
External type water channel inner sprayer unit; flexible protection tube is in the cut head cavity; it is characterized in that being communicated with piece is the stick that through hole is arranged; axially place flexible protection tube inwall to the cut head cavity; water inlet is located at and is communicated with piece one end, is communicated with the piece other end and communicates each nozzle on the terminal connection of the water cavity cutterhead surface with undercut water cavity in the cutterhead cavity wall; flexible protection tube is settled dust ring, wear ring successively with the anchor ring ecto-entad that combines of cutterhead inwall, and the sealing ring of water cavity both sides.
The design's inner sprayer unit is that water under high pressure is always introduced in the connection piece of flexible protection barrel at the mouth of a river; enter cutterhead undercut water cavity by the connection piece other end weep hole that enters cutterhead then; pass to each nozzle through the some water holes that link to each other with water cavity again, through each nozzle ejection.
The design's sealing is arranged between protection barrel and the body of the cutting head, has reduced intermediate link, makes sealing reliable, can work under the condition of hydraulic pressure 30MPa.Even water oil is mixed, water flows directly to outside the fuselage when taking place to leak, and has avoided cutting units integral body to damage.And the wear ring outside sealing ring can be played a supporting role, and makes cutterhead become dual-gripper by single the support, and is more stable during work, strengthened broken coal petrography ability.
Description of drawings
Fig. 1 is the external type water channel inner sprayer unit sectional view;
Fig. 2 is an annular binding site zoomed-in view among Fig. 1;
The specific embodiment
External type water channel inner sprayer unit; flexible protection tube is in the cut head cavity; see Fig. 1: it is characterized in that being communicated with piece 7 and axially place flexible protection tube 6 inwalls to cutterhead 5 chambeies; water inlet 8 is located at and is communicated with piece 7 one ends; being communicated with piece 7 other ends communicates with undercut water cavity 9 in cutterhead 5 cavity walls; each nozzle 1 is gone up on terminal cutterhead 5 surfaces that connect of water cavity; flexible protection tube 6 and the facial position of the coupling collar of cutterhead 5 inwalls; see Fig. 2: settle dust ring 4, wear ring 3 successively at cutterhead 5 inwall side ecto-entads, and the sealing ring 2 of water cavity both sides.
Be communicated with piece 7 for the stick of through hole is arranged, the through hole two ends all pass to the outside.
Water cavity in cutterhead 5 walls is undercut or claims the duct that the position that is connected with connection piece 7 can be duct, big footpath, can be the path hole with communicating of nozzle 1.
Claims (3)
1, external type water channel inner sprayer unit; flexible protection tube is in the cut head cavity; it is characterized in that being communicated with piece is the stick that through hole is arranged; axially place flexible protection barrel to the cut head cavity; water inlet is located at and is communicated with piece one end, is communicated with the piece other end and communicates each nozzle on the terminal connection of the water cavity cutterhead surface with undercut water cavity in the cutterhead cavity wall; flexible protection tube is settled dust ring, wear ring successively with the anchor ring ecto-entad that combines of cutterhead inwall, and the sealing ring of water cavity both sides.
2, external type water channel inner sprayer unit according to claim 1 is characterized in that being communicated with piece (7) for the stick of through hole is arranged, and the through hole two ends all pass to the outside.
3, external type water channel inner sprayer unit according to claim 1 is characterized in that the water cavity in cutterhead (5) wall is undercut or claims the duct, and the position that is connected with connection piece (7) can be duct, big footpath, can be the path hole with communicating of nozzle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720185081 CN201110177Y (en) | 2007-12-21 | 2007-12-21 | External water channel inner spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720185081 CN201110177Y (en) | 2007-12-21 | 2007-12-21 | External water channel inner spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110177Y true CN201110177Y (en) | 2008-09-03 |
Family
ID=39894707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720185081 Expired - Fee Related CN201110177Y (en) | 2007-12-21 | 2007-12-21 | External water channel inner spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110177Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555790B (en) * | 2009-05-23 | 2011-02-09 | 山东卡特重工有限公司 | Internal spraying excavator which can reduce temperature with high efficiency |
| 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 |
-
2007
- 2007-12-21 CN CN 200720185081 patent/CN201110177Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555790B (en) * | 2009-05-23 | 2011-02-09 | 山东卡特重工有限公司 | Internal spraying excavator which can reduce temperature with high efficiency |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101235718A (en) | External type water channel inner sprayer unit | |
| JP2002348906A (en) | Quick coupler for excavator | |
| CN201110177Y (en) | External water channel inner spraying device | |
| CN101705801B (en) | Combined annular blowout preventer | |
| CN210948496U (en) | High-low pressure conversion jet joint | |
| CN102116154B (en) | Built-in spraying water channel in road header | |
| CN110685738A (en) | Pressure relief device for monitoring pressure of paste filling pipeline and control method | |
| US6948417B2 (en) | Fluid cylinder with swivel joint | |
| CN201539227U (en) | Combined annular blowout preventer | |
| CN205013920U (en) | 40 tonne tire formula harbour is hung and is used central swivel joint | |
| CN202064955U (en) | Inner spraying water channel structure for cutting head of excavator | |
| CN101672370B (en) | Sealing valve | |
| CN209115105U (en) | Coal mine drilling blowout prevention dust-extraction unit | |
| CN111691818A (en) | Underground coal mine pneumatic directional drilling lubricating device and pneumatic screw drill | |
| CN105736316A (en) | Oil pumping prevention piston structure | |
| CN109595412A (en) | A kind of adaptive replaceable pipe joint waterproof construction | |
| CN102140915A (en) | Wet type inner spraying device of tunneling machine | |
| CN211437199U (en) | High-pressure water rotator | |
| CN201925538U (en) | Oxygen valve | |
| CN201496575U (en) | Sealing valve used under high-temperature environment | |
| CN207988993U (en) | A kind of stifled well equipment of frost | |
| CN109098709B (en) | Cutting head system of telescopic heading machine and heading machine | |
| CN210105856U (en) | Inner spraying device and cutting mechanism of heading machine | |
| CN109882171B (en) | Internal spraying device and cutting mechanism of heading machine | |
| CN209261551U (en) | Telescopic tunneling machine cutting head system and development machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model |