CN106369167A - Integrated external spring compensation type mechanical sealing device - Google Patents

Integrated external spring compensation type mechanical sealing device Download PDF

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Publication number
CN106369167A
CN106369167A CN201610987719.8A CN201610987719A CN106369167A CN 106369167 A CN106369167 A CN 106369167A CN 201610987719 A CN201610987719 A CN 201610987719A CN 106369167 A CN106369167 A CN 106369167A
Authority
CN
China
Prior art keywords
ring
transmission
stationary
stopping
screw
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.)
Pending
Application number
CN201610987719.8A
Other languages
Chinese (zh)
Inventor
徐毅
李继明
刘永生
倪宇
许斌
刘毅
李昕原
梅义宽
周振华
李世鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dandong Colossus Group Co Ltd
Dandong Kelong Group Co Ltd
Original Assignee
Dandong Kelong Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dandong Kelong Group Co Ltd filed Critical Dandong Kelong Group Co Ltd
Priority to CN201610987719.8A priority Critical patent/CN106369167A/en
Publication of CN106369167A publication Critical patent/CN106369167A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436Pressing means
    • F16J15/3452Pressing means the pressing force resulting from the action of a spring

Abstract

The invention discloses an integrated external spring compensation type mechanical sealing device. The integrated external spring compensation type mechanical sealing device is composed of a gland (1), a fixed ring (2), a moving ring (3), a compensation spring (4), a shaft sleeve (5), a transmission ring (6), a fixed ring auxiliary sealing ring (20), a moving ring sealing ring (30), a limiting ring (7) and locating clamp blocks (8). The components are integrally assembled together in the manner that the locating clamp block (8) fixed to the transmission ring (6) cooperates with the locating clamp block (8) fixed to the gland (1) in a hooked manner, and therefore the external mechanical sealing device is formed. The integrated external spring compensation type mechanical sealing device is compact in structure, convenient to mount, use and maintain and suitable for being used under the conditions that the content of impurity particles in conveying media is large, corrosiveness is high, and the axial mounting size is small.

Description

Integrated external spring compensation type mechanical seal device
Technical field
The present invention relates to mechanically-sealing apparatus, particularly a kind of external spring-compensating mechanically-sealing apparatus.
Background technology
Existing machinery sealing device ordinary circumstance is all built-in machines sealing device.Built-in machines sealing device is arranged on pump In axocoel inside body end lid, rotating ring, static components and elastic compensation element are immersed in the fluid media (medium) of pump conveying, sealing leak Direction be cylindrical inside circular direction leakage from seal face.
There is the corrosion to elastic compensation element for the pump pumped (conveying) medium in built-in machines sealing device, when compensating element, is spring, The easy spring blocking of granule in pump conveyance fluid medium, when particularly in medium, impure particulate matter amount is big, contaminant tack is big, Impurity is just more serious to the blocking of spring, causes mechanically-sealing apparatus to lose efficacy, reduces service life.
In addition, axocoel inside the pump housing end cap when axially and radially size is less, often limits and can not install machinery Sealing device.
Content of the invention
It is an object of the invention to provide a kind of compact conformation, the compensation machinery of integrated external spring easy to install is close Seal apparatus, to meet the situation use demand that impurity particle content in pumped (conveying) medium is many, corrosivity are strong, axocoel size is little.
The present invention integrated external spring compensation type mechanical seal device is by gland 1, stationary ring 2, rotating ring 3, counterbalance spring 4, axle Set 5, transmission ring 6, stationary ring auxiliary seal ring 20, seal ring of moving ring 30, spacing ring 7, positioning wedged block 8 are constituted;
Stopping table 10 is had on gland 1 left side pivot holes, the right part of stationary ring 2 is slidably installed with this stopping table 10, and Stationary ring auxiliary seal ring 20 is set between the right part of stopping table 10 and stationary ring 2;
It is provided with bulge loop 22 in the left end of stationary ring 2, the bulge loop of alignment pin and stationary ring is fixed with the left end face of gland 1 The pin-and-hole cooperation opening up on 22 carries out anti-rotation positioning to stationary ring 2;
Counterbalance spring 4 is arranged in multiple spring mounting holes 11 that in the left end face of gland 1, even circumferential distribution opens up, and compensates Spring 4 pressure acts in bulge loop 22 its right end face of stationary ring, carries out axial thrust effect to stationary ring 2;
Rotating ring 3 cooperation is arranged on axle sleeve 5 left part, offers stopping table 31 on the left side pivot holes of rotating ring 3, stopping in rotating ring Installation settings seal ring of moving ring 30 on mouth platform 31;
Transmission ring 6 is installed in cooperation on the axle sleeve 5 in rotating ring 3 left side, is provided with bulge loop 61 in its right end face of transmission ring 6, transmission The bulge loop 61 of ring is coordinated with the stopping table 31 on rotating ring 3 left side pivot holes, and bulge loop 61 front end of transmission ring is entered to seal ring of moving ring 30 Row squeezing action;The pin-and-hole or recessed open up in bearing pin 62 and rotating ring 3 left end face is fixedly connected with transmission ring 6 its right end face Groove 32 cooperation drives rotating ring 3 to rotate;
Its right end face being provided with positioning snap ring 51 on axle sleeve 5 with transmission ring 6 coordinates to transmission ring 6 axial limiting;
Transmission ring 6 outer ring surface offers screw 62, in axle sleeve 5, spiral shell is offered to the screw 61 that should open up on transmission ring 6 Hole or through hole 52, transmission ring 6 and axle sleeve 5 are fixedly connected with axle by the holding screw 9 being arranged in screw 61 on transmission ring 6;
Spacing ring 7 is made up of terminal pad 72 and ring set 71, and what the terminal pad 72 of spacing ring 7 and gland 1 left end face opened up stops Mouth platform fits through screw and is fixedly connected, and offers draw-in groove 73, positioning wedged block 8 passes through on ring set 71 left part of spacing ring 7 Screw is fixedly connected on the outer ring surface of transmission ring 6, is provided with the ring set of chuck 81 and spacing ring in the right-hand end of positioning wedged block 8 Draw-in groove 73 cooperation on 71 is located by connecting, and so that entirety is collected and is fitted together.
Axial arrangement of the present invention is compact, installs and uses, easy to maintenance, sealing mechanism in the outside of gland 1, formed integrated, External, spring compensating type mechanically-sealing apparatus, can be effective meet that impurity particle content in pumped (conveying) medium is many, corrosivity By force, the little situation of axially mounted size uses, and counterbalance spring is not contacted with medium, is not subject to the shadow of medium impurity and corrosive medium Ring, long service life.
The present invention is especially suitable for pressure≤1mpa, temperature≤200 DEG C, the operating mode of rotating speed≤5000rpm uses.As slurry Apply on pump.
Brief description
Fig. 1 is embodiment of the present invention structural representation.
Specific embodiment
The present invention integrated external spring compensation type mechanical seal device is by gland 1, stationary ring 2, rotating ring 3, counterbalance spring 4, axle Set 5, transmission ring 6, stationary ring auxiliary seal ring 20, seal ring of moving ring 30, spacing ring 7, positioning wedged block 8 are constituted;
Gland 1 left side (i.e. outside gland) axis hole has stopping table 10, slided with this stopping table 10 and join in the right part of stationary ring 2 Close and install, and stationary ring auxiliary seal ring 20 is set between the right part of stopping table 10 and stationary ring 2;
It is provided with bulge loop 22 in the left end of stationary ring 2, the bulge loop of alignment pin and stationary ring is fixed with the left end face of gland 1 The pin-and-hole cooperation opening up on 22 carries out anti-rotation positioning to stationary ring 2;
Counterbalance spring 4 is arranged in multiple spring mounting holes 11 that in the left end face of gland 1, even circumferential distribution opens up, and compensates Spring 4 pressure acts in bulge loop 22 its right end face of stationary ring, carries out axial thrust effect to stationary ring 2, carries out elasticity to stationary ring 2 Compensate;
Rotating ring 3 cooperation is arranged on axle sleeve 5 left part and opens up in energy boss mating surface 54, opens up on the left side pivot holes of rotating ring 3 There is stopping table 31, installation settings seal ring of moving ring 30 on the stopping table 31 of rotating ring;
Transmission ring 6 is arranged on the axle sleeve 5 in rotating ring 3 left side, offers stopping table and transmission ring 6 in the left end of axle sleeve 5 Cooperation is installed;
Bulge loop 61, the stopping table 31 on the bulge loop 61 of transmission ring and rotating ring 3 left side pivot holes are provided with its right end face of transmission ring 6 Cooperation, bulge loop 61 front end of transmission ring carries out squeezing action to seal ring of moving ring 30;Transmission ring 6 its right end face is fixedly connected The pin-and-hole opening up in bearing pin 62 and rotating ring 3 left end face or groove 32 cooperation is had to drive rotating ring 3 to rotate;
Its right end face being provided with positioning snap ring 51 on axle sleeve 5 with transmission ring 6 coordinates to transmission ring 6 axial limiting;
Transmission ring 6 outer ring surface offers screw 62, in axle sleeve 5, spiral shell is offered to the screw 61 that should open up on transmission ring 6 Hole or through hole 52, transmission ring 6 and axle sleeve 5 are fixedly connected with axle by the holding screw 9 being arranged in screw 61 on transmission ring 6;
Spacing ring 7 is made up of terminal pad 72 and ring set 71, and what the terminal pad 72 of spacing ring 7 and gland 1 left end face opened up stops Mouth platform fits through screw and is fixedly connected, and offers draw-in groove 73, positioning wedged block on the ring set 71 left part outer ring surface of spacing ring 7 8 are fixedly connected on the outer ring surface of transmission ring 6 by screw, are provided with chuck 81 and spacing ring in the right-hand end of positioning wedged block 8 Ring set 71 on draw-in groove 73 cooperation be located by connecting, make overall collect be fitted together.

Claims (1)

1. integrated external spring compensation type mechanical seal device, is characterized in that by gland (1), stationary ring (2), rotating ring (3), compensates bullet Spring (4), axle sleeve (5), transmission ring (6), stationary ring auxiliary seal ring (20), seal ring of moving ring (30), spacing ring (7), positioning wedged block (8) constitute;
Stopping table (10) had on gland (1) left side pivot holes, the right part of stationary ring (2) and this stopping table (10) are slidably matched peace Dress, and setting stationary ring auxiliary seal ring (20) between the right part of stopping table (10) and stationary ring (2);
It is provided with bulge loop (22) in the left end of stationary ring (2), alignment pin and stationary ring are fixed with the left end face of gland (1) Bulge loop (22) on open up pin-and-hole cooperation anti-rotation positioning is carried out to stationary ring (2);
Counterbalance spring (4) is arranged on multiple spring mounting holes (11) that in the left end face of gland (1), even circumferential distribution opens up In, counterbalance spring (4) pressure acts in bulge loop (22) its right end face of stationary ring, carries out axial thrust effect to stationary ring (2);
Rotating ring (3) cooperation is arranged on axle sleeve (5) left part, offers stopping table (31) on the left side pivot holes of rotating ring (3), The upper installation settings seal ring of moving ring (30) of the stopping table (31) of rotating ring;
Transmission ring (6) is installed in the upper cooperation of axle sleeve (5) on the left of rotating ring (3), is provided with bulge loop in its right end face of transmission ring (6) (61), the bulge loop (61) of transmission ring and the stopping table (31) on rotating ring (3) left side pivot holes coordinate, bulge loop (61) front end of transmission ring Squeezing action is carried out to seal ring of moving ring (30);Bearing pin (62) and rotating ring (3) are fixedly connected with transmission ring (6) its right end face The pin-and-hole opening up in left end face or groove (32) cooperation drive rotating ring (3) to rotate;
Its right end face being provided with positioning snap ring (51) on axle sleeve (5) with transmission ring (6) coordinates to transmission ring (6) axial limiting;
Screw (62) is offered on transmission ring (6) outer ring surface, to the screw (61) that should open up on transmission ring (6) in axle sleeve (5) screw or through hole (52) are offered, transmission ring (6) and axle sleeve (5) are tight in the upper screw (61) of transmission ring (6) by being arranged on Determine screw (9) to be fixedly connected with axle;
Spacing ring (7) is made up of terminal pad (72) and ring set (71), the terminal pad (72) of spacing ring (7) and gland (1) left-hand end The stopping table opening up on face fits through screw and is fixedly connected, and offers draw-in groove on ring set (71) left part of spacing ring (7) (73), positioning wedged block (8) is fixedly connected on the outer ring surface of transmission ring (6) by screw, in the right-hand end of positioning wedged block (8) It is provided with chuck (81) to be located by connecting with draw-in groove (73) cooperation on the ring set (71) of spacing ring, so that entirety is collected and be fitted together.
CN201610987719.8A 2016-11-10 2016-11-10 Integrated external spring compensation type mechanical sealing device Pending CN106369167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610987719.8A CN106369167A (en) 2016-11-10 2016-11-10 Integrated external spring compensation type mechanical sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610987719.8A CN106369167A (en) 2016-11-10 2016-11-10 Integrated external spring compensation type mechanical sealing device

Publications (1)

Publication Number Publication Date
CN106369167A true CN106369167A (en) 2017-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610987719.8A Pending CN106369167A (en) 2016-11-10 2016-11-10 Integrated external spring compensation type mechanical sealing device

Country Status (1)

Country Link
CN (1) CN106369167A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143655A (en) * 2017-06-26 2017-09-08 农业部规划设计研究院 Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434988A (en) * 1982-10-28 1984-03-06 Gits Brothers Mfg. Co. Shaft seal
US5447316A (en) * 1992-02-06 1995-09-05 Eagle Industry Co., Ltd. Gas seal
CN202032092U (en) * 2010-11-08 2011-11-09 安徽省三益电机电泵有限公司 Balance type double-end face mechanical seal with multiple external springs
CN203023497U (en) * 2012-12-18 2013-06-26 浙江兰天机械密封件有限公司 Mechanical sealing device for side stirrer
CN206320300U (en) * 2016-11-10 2017-07-11 丹东克隆集团有限责任公司 Integrated external spring compensation type mechanical seal device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434988A (en) * 1982-10-28 1984-03-06 Gits Brothers Mfg. Co. Shaft seal
US5447316A (en) * 1992-02-06 1995-09-05 Eagle Industry Co., Ltd. Gas seal
CN202032092U (en) * 2010-11-08 2011-11-09 安徽省三益电机电泵有限公司 Balance type double-end face mechanical seal with multiple external springs
CN203023497U (en) * 2012-12-18 2013-06-26 浙江兰天机械密封件有限公司 Mechanical sealing device for side stirrer
CN206320300U (en) * 2016-11-10 2017-07-11 丹东克隆集团有限责任公司 Integrated external spring compensation type mechanical seal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143655A (en) * 2017-06-26 2017-09-08 农业部规划设计研究院 Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening

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Application publication date: 20170201