CN104235210A - Crosshead shoe sealing shaft coupler - Google Patents
Crosshead shoe sealing shaft coupler Download PDFInfo
- Publication number
- CN104235210A CN104235210A CN201410447715.1A CN201410447715A CN104235210A CN 104235210 A CN104235210 A CN 104235210A CN 201410447715 A CN201410447715 A CN 201410447715A CN 104235210 A CN104235210 A CN 104235210A
- Authority
- CN
- China
- Prior art keywords
- shaft
- bearing
- flange
- slide block
- coupling
- 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.)
- Granted
Links
Landscapes
- Sealing Devices (AREA)
Abstract
The invention belongs to the mechanical sealing devices, and in particular relates to a crosshead shoe sealing shaft coupler, wherein a static sealing flange (3) is fixedly arranged in the center hole in the left end of a shell (1) through a connecting bolt (12); an overturning shaft (2) is movably arranged in the static sealing flange (3) in a penetration manner; a flange bearing seat (10) is fixedly arranged in the center hole in the right end of the shell (1) through a connecting bolt (12); a swing rod connecting shaft (11) is arranged in the flange bearing seat (10) and a bearing (9) in the penetration manner; the overturning shaft (2) is connected with the swing rod connecting shaft (11) through a crosshead shaft coupling slider (6); the crosshead shaft coupling slider (6) is a stepped cylinder in shape; a static sealing ring (4) is arranged in the circular groove in the right end surface of the static sealing flange (3); a moving sealing ring (5) is arranged in the circular groove in the left end surface of the crosshead shaft coupling slider (6); the static sealing ring (4) and the moving sealing ring (5) both sleeve the overturning shaft (2). The crosshead shoe sealing shaft coupler has the advantages of simple structure and capabilities of purifying the production environment and prolonging the service life of equipment.
Description
Technical field
The invention belongs to mechanical seal device, particularly a kind of crosshead shoe sealed coupler.
Background technique
For many years, there is insurmountable drawback in the sealing of the turnover panel wind-regulating valve of the production industry dust such as electric power, building materials, smelting and dusty gas feedway, causes hidden danger, make production environment cause severe contamination to safety in production.Existing turnover panel wind-regulating valve seal arrangement is generally the axial seal of an axis, and its structure is comparatively simple, connects upender, control gear and seal arrangement with an axis.In use, upender needs the size of control media flow at any time, the effect of blast medium is sprayed onto the position of specifying, because bearing end cannot bear blast, medium penetrates in seal arrangement by axis, axis in the middle of medium long term wear in seal arrangement and sealing material, cause producing gap between sealing material and axis, when gap arrives control gear sealing flange position, due to the effect of dust blast, medium is directly sprayed onto the outside of equipment by gap, impacts safety in production and production environment simultaneously.And the shortcoming of existing equipment be seal arrangement in use for some time, because abrading section cannot be compensated, there is the defect such as dielectric leakage and pressure loss, the working life of turnover panel wind-regulating valve seal arrangement significantly reduced.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, provide a kind of life-span long, the crosshead shoe sealed coupler of good seal performance.
The technological scheme that technical solution problem of the present invention adopts is: crosshead shoe sealed coupler comprises housing, trip shaft, static seal flange, connecting bolt, Compress Spring, fork coupling shaft, adjusting nut, flange shaft bearing, bearing, be characterized in connecting bolt, static seal flange being fixedly housed in housing left end center hole, in static seal flange, activity installs trip shaft, trip shaft right-hand member is provided with trip shaft plug, with connecting bolt, flange shaft bearing is fixedly housed in the center hole of housing right-hand member, flange shaft bearing is built with bearing, fork coupling shaft is installed in flange shaft bearing and bearing, fork coupling shaft is provided with bearing positive stop lug boss, bearing positive stop lug boss is used for the axial limiting of bearing, fork coupling shaft in housing is threaded dress adjusting nut, the left end head of fork coupling shaft is provided with fork coupling shaft plug, be connected with cross shaft coupling slide block between trip shaft with fork coupling shaft, cross shaft coupling slide block profile is stepped shaft cylindrical body, cross shaft coupling slide block left end is provided with trip shaft slot, cross shaft coupling slide block right-hand member is provided with fork coupling shaft slot, trip shaft slot and fork coupling shaft slot orthogonal, the fork coupling shaft plug of fork coupling shaft left end is inserted in the fork coupling shaft slot of cross shaft coupling slide block right-hand member, the trip shaft plug of trip shaft right-hand member is inserted in the trip shaft slot of cross shaft coupling slide block left end, in the circular groove of static seal flange right side, stationary seal ring is housed, in the circular groove of cross shaft coupling slide block left side, rotary packing ring is housed, between stationary seal ring and the end face of rotary packing ring, hard sealing contacts connection, stationary seal ring and rotary packing ring are all sleeved on trip shaft, the left end of Compress Spring is fitted on the shaft shoulder of cross shaft coupling slide block, the right-hand member of Compress Spring is fitted on the shaft shoulder of adjusting nut.
The invention has the beneficial effects as follows: crosshead shoe sealed coupler structure is simple, it divide into three parts whole axis, namely the function of axis is achieved, enclose again the wind powder mixture that the axial clearance in sealed coupler is leaked simultaneously, purify production environment, extend the working life of equipment, thoroughly solve the leakage defect caused due to axis gap, and be convenient to maintenance, without the need to whole device is dismantled, only flange shaft bearing need be dismantled, i.e. replaceable seal arrangement and bearing, cross shaft coupling slide block can also correct the concentricity between trip shaft and fork coupling shaft, the needs that guarantee equipment runs, it is end wear that cross connection slide block changes original axially wearing and tearing, enclose the wind powder mixture that axial clearance is leaked simultaneously, due to cross shaft coupling slide block being equipped with Compress Spring, compensation can be advanced at any time to the rotary packing ring of wearing and tearing, ensure the pressure of end face seal, improve the working life of seal arrangement, reduce cost of production.
Accompanying drawing explanation
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is that crosshead shoe sealed coupler feature cross-section partly cuts open figure.
In figure, 1-housing; 2-trip shaft; 2-1-trip shaft plug; 3-static seal flange; 4-stationary seal ring; 5-rotary packing ring; 6-cross shaft coupling slide block; 6-1-fork coupling shaft slot; 6-2-trip shaft slot; 7-Compress Spring; 8-adjusting nut; 9-bearing; 10-flange shaft bearing; 11-fork coupling shaft; 11-1-fork coupling shaft plug; 11-2-bearing positive stop lug boss; 12-connecting bolt.
Embodiment
Embodiment, with reference to accompanying drawing 1, crosshead shoe sealed coupler with two connecting bolts 12, static seal flange 3 is fixedly housed in housing 1 left end center hole, and in static seal flange 3, activity installs trip shaft 2, and trip shaft 2 right end is provided with trip shaft plug 2-1.With two connecting bolts 12, flange shaft bearing 10 is fixedly housed in the center hole of housing 1 right-hand member, two cover bearings 9 are housed in flange shaft bearing 10 side by side, fork coupling shaft 11 is installed in flange shaft bearing 10 and bearing 9, fork coupling shaft 11 is provided with bearing positive stop lug boss 11-2, bearing positive stop lug boss 11-2 is used for the axial limiting of bearing 9, fork coupling shaft 11 in housing 1 is threaded adjusting nut 8 is housed, the left end head of fork coupling shaft 11 is provided with fork coupling shaft plug 11-1.Be connected with cross shaft coupling slide block 6 between trip shaft 2 with fork coupling shaft 11, cross shaft coupling slide block 6 profile is stepped shaft cylindrical body, cross shaft coupling slide block 6 left end is provided with trip shaft slot 6-2, cross shaft coupling slide block 6 right-hand member is provided with fork coupling shaft slot 6-1, orthogonal between trip shaft slot 6-2 and fork coupling shaft slot 6-1, the fork coupling shaft plug 11-1 of fork coupling shaft 11 left end is actively plugged in the fork coupling shaft slot 6-1 of cross shaft coupling slide block 6 right-hand member, the trip shaft plug 2-1 of trip shaft 2 right-hand member is actively plugged in the trip shaft slot 6-2 of cross shaft coupling slide block 6 left end.In the circular groove of static seal flange 3 right side, stationary seal ring 4 is housed, in the circular groove of cross shaft coupling slide block 6 left side, rotary packing ring 5 is housed, between stationary seal ring 4 and the end face of rotary packing ring 5, highi degree of accuracy firmly seals to contact and connects, stationary seal ring 4 and rotary packing ring 5 are all sleeved on trip shaft 2, the left end of Compress Spring 7 is fitted on the shaft shoulder of cross shaft coupling slide block 6, and the right-hand member of Compress Spring 7 is fitted on the shaft shoulder of adjusting nut 8.
The working principle of crosshead shoe sealed coupler is: owing to have employed cross shaft coupling slide block 6, trip shaft 2 is made to divide into three parts by an axis, the performance of axis can be met, can the axial clearance in sealing be leaked completely closed again, concrete principle is, wind powder mixture enters from the left side of Fig. 1 along the axial clearance between trip shaft 2 and static seal flange 3, under the iris action of cross shaft coupling slide block 6 end face, wind powder mixture is made to be blocked between the axial clearance of trip shaft 2 and rotary packing ring 4 and rotary packing ring 5, owing to connecting for high-precision machinery seals contact firmly between stationary seal ring 4 and the end face of rotary packing ring 5, wind powder mixture cannot be leaked, thoroughly closed, thus make cross coupler realize the two-way function of shaft coupling and sealing.
Claims (1)
1. a crosshead shoe sealed coupler, comprise housing (1), trip shaft (2), static seal flange (3), connecting bolt (12), Compress Spring (7), fork coupling shaft (11), adjusting nut (8), flange shaft bearing (10), bearing (9), it is characterized in that with connecting bolt (12), static seal flange (3) being fixedly housed in housing (1) left end center hole, in static seal flange (3), activity installs trip shaft (2), trip shaft (2) right-hand member is provided with trip shaft plug (2-1), with connecting bolt (12), flange shaft bearing (10) is fixedly housed in the center hole of housing (1) right-hand member, flange shaft bearing (10) is built with bearing (9), fork coupling shaft (11) is installed in flange shaft bearing (10) and bearing (9), fork coupling shaft (11) is provided with bearing positive stop lug boss (11-2), bearing positive stop lug boss (11-2) is for the axial limiting of bearing, fork coupling shaft (11) in housing (1) is threaded dress adjusting nut (8), the left end head of fork coupling shaft (11) is provided with fork coupling shaft plug (11-1), be connected with cross shaft coupling slide block (6) between trip shaft (2) with fork coupling shaft (11), cross shaft coupling slide block (6) profile is stepped shaft cylindrical body, cross shaft coupling slide block (6) left end is provided with trip shaft slot (6-2), cross shaft coupling slide block (6) right-hand member is provided with fork coupling shaft slot (6-1), trip shaft slot (6-2) is orthogonal with fork coupling shaft slot (6-1), the fork coupling shaft plug (11-1) of fork coupling shaft (11) left end is actively plugged in the fork coupling shaft slot (6-1) of cross shaft coupling slide block (6) right-hand member, the trip shaft plug (2-1) of trip shaft (2) right-hand member is actively plugged in the trip shaft slot (6-2) of cross shaft coupling slide block (6) left end, stationary seal ring (4) is housed in the circular groove of static seal flange (3) right side, rotary packing ring (5) is housed in the circular groove of cross shaft coupling slide block (6) left side, firmly seal to contact between stationary seal ring (4) and the end face of rotary packing ring (5) and connect, stationary seal ring (4) and rotary packing ring (5) are all sleeved on trip shaft (2), the left end of Compress Spring (7) is fitted on the shaft shoulder of cross shaft coupling slide block (6), the right-hand member of Compress Spring (7) is fitted on the shaft shoulder of adjusting nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447715.1A CN104235210B (en) | 2014-09-04 | 2014-09-04 | Crosshead shoe sealed coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447715.1A CN104235210B (en) | 2014-09-04 | 2014-09-04 | Crosshead shoe sealed coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104235210A true CN104235210A (en) | 2014-12-24 |
| CN104235210B CN104235210B (en) | 2016-05-18 |
Family
ID=52223904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410447715.1A Active CN104235210B (en) | 2014-09-04 | 2014-09-04 | Crosshead shoe sealed coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104235210B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610621A (en) * | 2020-12-15 | 2021-04-06 | 北京动力机械研究所 | Dislocation self-adaptation mechanical seal structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480842A (en) * | 1983-06-27 | 1984-11-06 | Anil Mahyera | Self-aligning stuffing box |
| EP0391488A2 (en) * | 1989-04-04 | 1990-10-10 | Flow International Corporation | Vented static seal assembly |
| CN200943699Y (en) * | 2006-08-21 | 2007-09-05 | 刘廷玉 | Sealing device between rotary axis and shell |
| CN102022540A (en) * | 2009-09-18 | 2011-04-20 | 上海冠龙阀门机械有限公司 | Floating shaft lever sealing structure |
| CN201866266U (en) * | 2010-11-29 | 2011-06-15 | 江苏紫光吉地达环境科技股份有限公司 | Novel manual air adjusting valve |
| CN104110496A (en) * | 2014-04-02 | 2014-10-22 | 衢州兰玲机电科技有限公司 | Sealing structure for rotary shaft of flue gas valve |
| CN204061604U (en) * | 2014-09-04 | 2014-12-31 | 阜新柔金密封有限公司 | Crosshead shoe sealed coupler |
-
2014
- 2014-09-04 CN CN201410447715.1A patent/CN104235210B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480842A (en) * | 1983-06-27 | 1984-11-06 | Anil Mahyera | Self-aligning stuffing box |
| EP0391488A2 (en) * | 1989-04-04 | 1990-10-10 | Flow International Corporation | Vented static seal assembly |
| CN200943699Y (en) * | 2006-08-21 | 2007-09-05 | 刘廷玉 | Sealing device between rotary axis and shell |
| CN102022540A (en) * | 2009-09-18 | 2011-04-20 | 上海冠龙阀门机械有限公司 | Floating shaft lever sealing structure |
| CN201866266U (en) * | 2010-11-29 | 2011-06-15 | 江苏紫光吉地达环境科技股份有限公司 | Novel manual air adjusting valve |
| CN104110496A (en) * | 2014-04-02 | 2014-10-22 | 衢州兰玲机电科技有限公司 | Sealing structure for rotary shaft of flue gas valve |
| CN204061604U (en) * | 2014-09-04 | 2014-12-31 | 阜新柔金密封有限公司 | Crosshead shoe sealed coupler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610621A (en) * | 2020-12-15 | 2021-04-06 | 北京动力机械研究所 | Dislocation self-adaptation mechanical seal structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104235210B (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202118263U (en) | Graphite nitrogen sealing device of gas pressuring machine | |
| CN102080651B (en) | Long-acting no-leakage plunger sealing structure for plunger type measuring pump | |
| CN203023297U (en) | Labyrinth seal structure of main shaft bearing of double-geared roller crusher | |
| CN203604655U (en) | Combined sealing structure of main bearing of roller press | |
| CN102494139A (en) | Novel shaft-end sealing structure of concrete mixer | |
| CN202392110U (en) | Shaft sealing device of horizontal scraper centrifuge | |
| CN202500814U (en) | Double-end-face mechanical sealing device for pump | |
| CN204061604U (en) | Crosshead shoe sealed coupler | |
| CN103016741A (en) | Mixing machine shaft end sealing device | |
| CN104235210A (en) | Crosshead shoe sealing shaft coupler | |
| CN103629357B (en) | The sealing mechanism of vane type rotary valve | |
| CN103721795B (en) | A kind of medium-speed pulverizer main shaft air seal set | |
| CN202371163U (en) | Novel shaft end sealing structure of concrete mixer | |
| CN202659898U (en) | Pull rod sealing device of vertical medium speed coal mill | |
| CN203442142U (en) | Dry gas sealing device structure | |
| CN202719182U (en) | Five-piece-type forged steel ball valve | |
| CN201433872Y (en) | Dry gas seal for ammonia compressor | |
| CN204425148U (en) | The anti-steam hermetically-sealed construction of threephase asynchronous | |
| CN105396655A (en) | Combined sealing device of grinding roller shaft | |
| CN205078828U (en) | Ball valve is fixed to upper assembling type bellows | |
| CN201547298U (en) | Severe service resisting fixed type cock valve | |
| CN201627948U (en) | High-temperature high-pressure flat-plate gate valve | |
| CN202132196U (en) | Novel radial plunger pump | |
| CN202048209U (en) | Mixer shaft end sealing device | |
| CN203463666U (en) | Double mechanical seal structure for pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191104 Address after: 123002 No.107, Xinmei street, Fuxin high tech Industrial Development Zone, Liaoning Province Patentee after: Ruojin (Liaoning) Electric Power Technology Development Co., Ltd Address before: The new economic development zone, Liaoning province Fuxin City 123000 Street No. 107 Patentee before: SOFT GOLD SEAL CO., LTD. FUXIN |