CN104999417A - Crank arm box seal ring assembly clamp - Google Patents
Crank arm box seal ring assembly clamp Download PDFInfo
- Publication number
- CN104999417A CN104999417A CN201510512077.1A CN201510512077A CN104999417A CN 104999417 A CN104999417 A CN 104999417A CN 201510512077 A CN201510512077 A CN 201510512077A CN 104999417 A CN104999417 A CN 104999417A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- crank arm
- hole
- arm box
- sealing ring
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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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a crank arm box seal ring assembly clamp which comprises a screw rod and a flange plate; the flange plate is arranged in the middle of a connecting sleeve; an external thread is arranged on the outer surface of the upper part of the connecting sleeve; a tapered through hole is formed in the connecting sleeve; the diameter of the tapered through hole is larger in upper part and smaller in lower part; a thread bushing is connected with the external thread at the upper part of the connecting sleeve; a screw rod connecting sleeve is arranged at the upper end of the thread bushing; an inner thread through hole in threaded connection with the screw rod is formed in the screw rod connecting sleeve; the screw rod is in threaded connection to the interior of the screw rod connecting sleeve; the lower end of the screw rod passes through the thread bushing; the lower end of the screw rod is connected with a pressing plate capable of passing through the least diameter end of the tapered through hole through a bearing. The invention aims to provide the crank arm box seal ring assembly clamp which has a simple structure, is convenient to assemble, can prevent abrasion or deflection of a framework seal ring in the assembly process, and ensures the assembly accuracy of the framework seal ring; besides, the assembly qualified rate is improved effectively, and the dynamic seal requirement is met.
Description
Technical field
The invention belongs to crank arm box assembly tool field, be specifically related to a kind of crank arm box sealing ring assembling jig.
Background technology
SF6 breaker in power system extensive use as common LW36-126 type Auto-expansion SF6 circuit breaker, much all reach the maintenance time limit now, strip inspection must be carried out to SF6 breaker in maintenance, arc extinguishing part more in commutation post, the effect of the crank arm box below breaker phase post is by the output action of operating mechanism, be delivered to the insulated tension pole of phase post inside by outside, and be finally delivered to arc-chutes moving component unit, complete breaker point, feed motion.Self-sealing valve is equipped with crank arm box, for connecting the gas ducting in pedestal.When gas tube does not connect, whole pole is in sealing state.Be designed with locating hole in the above, easily pole can be fixed on open position.The original seal of crank arm box after disintegration can not continue to use, the seal that must more renew, the turning cylinder of crank arm box reaches movable sealing by one group of v-ring and one group of backbone sealing ring and requires, wherein one group of v-ring is auxiliary seal, and one group of backbone sealing ring is primary seal.Therefore in maintenance process, often need the backbone sealing ring more renewed, but the assembling of backbone sealing ring is a difficult problem in crank arm box assembling always, because there is a circle steel skeleton outer ring of backbone sealing ring, outer surface only has very thin one deck rubber, the assembling magnitude of interference is larger, hand-power can not be compressed into, and knocks and can strike bad by sealing ring, more askew a little will by steel skeleton glue damage.If backbone sealing ring does not have frock in assembling, its assembly qualified rate is difficult to reach 10%.Also have special in crank arm box installation tools for gasket in the prior art, as the patent No. a kind of combination isolating switch crank arm box installation tools for gasket disclosed in CN201120488956.2, it comprises the ring flange of screwed hole, outer surface is that externally threaded drive link is threaded with ring flange through screwed hole, and the top of drive link is provided with handle; This instrument also comprises the convex compact heap matched with combination isolating switch crank arm box sealing gasket installing hole.But there is following defect in this utility model: sealing gasket to be placed on the step of the bottom of compact heap when being assembling by one, compact heap is promoted downwards by drive link, compact heap is stressed to be moved downward, sealing gasket is pressed in the sealing gasket installing hole of isolating switch crank arm box, because sealing gasket is enclosed within compact heap, only has the middle part of sealing gasket stressed, cause the overall discontinuity of sealing gasket, easily make the edge of sealing gasket upwarp, deform, affect sealing effectiveness; Two is because compact heap and drive link are two points of body components, and in drive link moving process, the contact point of drive link and compact heap position easily occurs and offsets, and affects the active force of compact heap to sealing gasket; Three be compact heap when putting into the sealing gasket installing hole of crank arm box, easily there is the problems such as crooked in compact heap, also need to adjust the movement of compact heap, the operating efficiency of reduction in hole.There is larger difference in the crank arm box structure in the combination isolating switch crank arm box of described publication and SF6 breaker, sealing property, therefore, the sealing ring that above-mentioned two kinds of crank arm boxes adopt is different in the structure of sealing effectiveness, assembling form and sealing ring, the sealing ring of the crank arm box in SF6 breaker is installed according to the mounting tool for sealing ring in described publication, the sealing ring of the crank arm box in SF6 breaker can be caused to install not in placely maybe can not to install, even cause sealing ring to damage.
Summary of the invention
The object of this invention is to provide a kind of crank arm box sealing ring assembling jig, its structure is simple, easy to assembly, and it can prevent backbone sealing ring from wearing and tearing or crooked occurring in assembling, guarantees the assembly precision of backbone sealing ring; Effective raising assembly qualified rate, meets movable sealing requirement.
The object of the invention is to realize by the following technical solutions, the invention provides a kind of crank arm box sealing ring assembling jig, comprise screw rod, ring flange, ring flange is arranged on the middle part of adapter sleeve, the outer surface on adapter sleeve top is provided with external screw thread, conical through-hole is provided with in adapter sleeve, the diameter of this conical through-hole is up big and down small, thread bush is connected with in the upper external thread of adapter sleeve, the upper end of thread bush is provided with screw rod adapter sleeve, the internal thread through hole be threaded with screw rod is provided with in screw rod adapter sleeve, screw flight is connected in screw rod adapter sleeve, and the lower end of screw rod is through thread bush, the lower end of screw rod is connected with the pressing plate by the most miner diameter end of conical through-hole by bearing.
The present invention uses like this: during as installed the backbone sealing ring of the crank arm box in SF6 breaker, be put into backbone sealing ring in up big and down small conical through-hole at diameter, again by screw rod and screw rod adapter sleeve assembly connection, by rotating screw bolt, pressing plate is moved downward backbone sealing ring to the little extreme direction compression of conical through-hole, because the end diameter of conical through-hole is slightly less than the diameter of crank arm box closed hole, so under the effect of screw rod, can very like a cork backbone sealing ring be pushed in crank arm box closed hole.Because screw rod is connected by rolling bearing with pressing plate, the contact of pressing plate and backbone sealing ring remains inactive state, friction of avoiding rotating between pressing plate and backbone sealing ring prevents backbone sealing ring wear and tear or occur crooked, ensures the assembly precision of backbone sealing ring; Because pressing plate and screw rod are linked together by bearing, only backbone sealing ring need be put into the large end of conical through-hole, even if backbone sealing ring occurs crooked in conical through-hole, pressing plate also by backbone sealing ring correcting, can ensure the installation accuracy of sealing ring in the process pressed down.
Owing to have employed technique scheme, the advantage that the present invention has: structure is simple, easy to assembly, it can prevent backbone sealing ring from wearing and tearing or crooked occurring in assembling, guarantees the assembly precision of backbone sealing ring; Effective raising assembly qualified rate, meets movable sealing requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the assembling schematic diagram of the present invention and crank arm box.
Wherein, 1-screw rod, 2-ring flange, 3-adapter sleeve, 4-thread bush, 41-screw rod adapter sleeve, 5-bearing, 6-pressing plate, 7-crank arm box installing hole, 8-crank arm box closed hole, 9-handle, 10-crank arm box, 11-backbone sealing ring.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reach object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated:
See a kind of crank arm box sealing ring assembling jig shown in Fig. 1-3, comprise screw rod 1, ring flange 2, ring flange 2 is arranged on the middle part of adapter sleeve 3, the outer surface on adapter sleeve 3 top is provided with external screw thread, conical through-hole is provided with in adapter sleeve 3, the diameter of this conical through-hole is up big and down small, thread bush 4 is connected with in the upper external thread of adapter sleeve 3, the upper end of thread bush 4 is provided with screw rod adapter sleeve 41, the internal thread through hole be threaded with screw rod 1 is provided with in screw rod adapter sleeve 41, screw rod 1 is threaded in screw rod adapter sleeve 41, and the lower end of screw rod 1 is through thread bush 4, the lower end of screw rod 1 is connected with the pressing plate 6 by the most miner diameter end of conical through-hole by bearing 5.
The bottom of the adapter sleeve 3 in the present invention is assembled in crank arm box installing hole 7, and be fixedly connected with crank arm box 10 by ring flange 2, backbone sealing ring 11 being put into diameter is in up big and down small conical through-hole, again by screw rod 1 and screw rod adapter sleeve 41 assembly connection, by rotating screw bolt 1, pressing plate 6 is moved downward backbone sealing ring 11 to the little extreme direction compression of conical through-hole, the end diameter of conical through-hole is slightly less than the diameter of crank arm box closed hole 8, so under the effect of screw rod 1, can very like a cork backbone sealing ring 11 be pushed in crank arm box closed hole 8.Because screw rod 1 is connected by bearing 5 with pressing plate 6, pressing plate 6 remains inactive state with the contact of backbone sealing ring 11, avoiding rotates between pressing plate 6 and backbone sealing ring 11 rubs, and prevents backbone sealing ring 11 to wear and tear or occurs crooked, ensures the assembly precision of backbone sealing ring 11; Because pressing plate 6 and screw rod 1 link into an integrated entity, briquetting 6, when putting into the closed hole 8 of crank arm box, because the guide effect briquetting 6 of screw rod 1 can not occur crooked in hole, can realize the effective extruding to backbone sealing ring 11.The present invention assembles simple and convenient, effectively improves assembly qualified rate, meets movable sealing requirement.
Further, described bearing 5 is ball bearing, be connected by ball bearing between screw rod 1 with pressing plate 6, screw rod 1 is dallied on pressing plate 6, pressing plate can not rotate with the rotation of screw rod, so pressing plate 6 is static with the contact of backbone sealing ring 11 all the time, avoid rotating between pressing plate and backbone sealing ring friction and the wearing and tearing of backbone sealing ring 11 end face that cause.
Further, the lower diameter of adapter sleeve 3 is less than the diameter of crank arm box installing hole 7, makes the present invention and crank arm box 10 assemble efficient convenience.
Further, the end diameter of conical through-hole is less than the diameter of crank arm box closed hole 8, and the backbone sealing ring 11 be put in conical through-hole can enter in crank arm box closed hole 8 very easily, ensure that assembly quality.
Further, pressing plate 6 is circular, and pressing plate 6 is corresponding with backbone sealing ring 11 shape, avoids the distortion that in pushing course, backbone sealing ring 11 causes because of discontinuity, ensure that sealing effectiveness.
Further, the upper end of screw rod 1 is provided with handle 9, realizes moving up and down of screw rod 1 by rotary handle 9.
Claims (6)
1. a crank arm box sealing ring assembling jig, comprise screw rod (1), ring flange (2), it is characterized in that: ring flange (2) is arranged on the middle part of adapter sleeve (3), the outer surface on adapter sleeve (3) top is provided with external screw thread, conical through-hole is provided with in adapter sleeve (3), the diameter of this conical through-hole is up big and down small, thread bush (4) is connected with in the upper external thread of adapter sleeve (3), the upper end of thread bush (4) is provided with screw rod adapter sleeve (41), the internal thread through hole be threaded with screw rod (1) is provided with in screw rod adapter sleeve (41), screw rod (1) is threaded in screw rod adapter sleeve (41), and the lower end of screw rod (1) is through thread bush (4), the lower end of screw rod (1) is connected with the pressing plate (6) by the most miner diameter end of conical through-hole by bearing (5).
2. a kind of crank arm box sealing ring assembling jig according to claim 1, is characterized in that: described bearing (5) is ball bearing.
3. a kind of crank arm box sealing ring assembling jig according to claim 2, is characterized in that: the lower diameter of adapter sleeve (3) is less than the diameter of crank arm box installing hole (7).
4. a kind of crank arm box sealing ring assembling jig according to claim 1,2 or 3, is characterized in that: the end diameter of conical through-hole is less than the diameter of crank arm box closed hole (8).
5. a kind of crank arm box sealing ring assembling jig according to claim 4, is characterized in that: pressing plate (6) is for circular.
6. a kind of crank arm box sealing ring assembling jig according to claim 5, is characterized in that: the upper end of screw rod (1) is provided with handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512077.1A CN104999417A (en) | 2015-08-19 | 2015-08-19 | Crank arm box seal ring assembly clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512077.1A CN104999417A (en) | 2015-08-19 | 2015-08-19 | Crank arm box seal ring assembly clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104999417A true CN104999417A (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512077.1A Pending CN104999417A (en) | 2015-08-19 | 2015-08-19 | Crank arm box seal ring assembly clamp |
Country Status (1)
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| CN (1) | CN104999417A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215895A (en) * | 2015-11-05 | 2016-01-06 | 湖南开关有限责任公司 | A kind of point, combined floodgate connecting lever assembling jig |
| CN108381451A (en) * | 2018-04-23 | 2018-08-10 | 苏州优力克流体控制科技有限公司 | A kind of installation tool and its installation method of valve rod sealing member |
| CN109249342A (en) * | 2018-11-06 | 2019-01-22 | 西安航天动力测控技术研究所 | Solid engines pressure gauge mounting tool for sealing ring |
| CN110416010A (en) * | 2019-07-09 | 2019-11-05 | 山东电工电气集团新能科技有限公司 | A kind of insulated pull rod assembly tooling |
| CN112192499A (en) * | 2020-11-02 | 2021-01-08 | 中船动力有限公司 | Installation tool and installation method for high-pressure oil pump plunger combined type O-shaped sealing ring |
| CN113084749A (en) * | 2021-04-12 | 2021-07-09 | 浙江银轮机械股份有限公司 | Sealing ring installer |
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| JP2000280187A (en) * | 1999-03-26 | 2000-10-10 | Takaoka Electric Mfg Co Ltd | Radial bearing removing device |
| JP2002355771A (en) * | 2001-05-29 | 2002-12-10 | Aisin Seiki Co Ltd | Seal member mounting tool |
| US20030188410A1 (en) * | 2002-04-09 | 2003-10-09 | English Richard Leroy | Compression sleeve puller with double thread engagement and method of manufacture |
| CN201183244Y (en) * | 2008-04-23 | 2009-01-21 | 宁波市海达塑料机械有限公司 | Oil cylinder piston ring assembling auxiliary device |
| CN201609883U (en) * | 2009-12-31 | 2010-10-20 | 上海东方泵业(集团)有限公司 | Mechanical seal static ring pressing device |
| CN202333538U (en) * | 2011-11-30 | 2012-07-11 | 重庆博森电气（集团）有限公司 | Installation tools for gasket of combined disconnecting switch crank arm box |
| CN203600176U (en) * | 2013-12-05 | 2014-05-21 | 许昌学院 | Environment-friendly bearing press-in device |
| CN203726434U (en) * | 2013-12-30 | 2014-07-23 | 博格华纳联合传动系统有限公司 | V-shaped seal ring installation device of automotive main wheel hub assembly |
| CN204019073U (en) * | 2014-07-31 | 2014-12-17 | 江苏莫仕天安连接器有限公司 | A kind of wave washer automatic centering press-in device |
| CN104209919A (en) * | 2013-07-04 | 2014-12-17 | 中航光电科技股份有限公司 | Assembly fixture for elastic ring installation and push rod and guide sleeve used by assembly fixture |
| CN204935523U (en) * | 2015-08-19 | 2016-01-06 | 国家电网公司 | Crank arm box sealing ring assembling jig |
-
2015
- 2015-08-19 CN CN201510512077.1A patent/CN104999417A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000280187A (en) * | 1999-03-26 | 2000-10-10 | Takaoka Electric Mfg Co Ltd | Radial bearing removing device |
| JP2002355771A (en) * | 2001-05-29 | 2002-12-10 | Aisin Seiki Co Ltd | Seal member mounting tool |
| US20030188410A1 (en) * | 2002-04-09 | 2003-10-09 | English Richard Leroy | Compression sleeve puller with double thread engagement and method of manufacture |
| CN201183244Y (en) * | 2008-04-23 | 2009-01-21 | 宁波市海达塑料机械有限公司 | Oil cylinder piston ring assembling auxiliary device |
| CN201609883U (en) * | 2009-12-31 | 2010-10-20 | 上海东方泵业(集团)有限公司 | Mechanical seal static ring pressing device |
| CN202333538U (en) * | 2011-11-30 | 2012-07-11 | 重庆博森电气（集团）有限公司 | Installation tools for gasket of combined disconnecting switch crank arm box |
| CN104209919A (en) * | 2013-07-04 | 2014-12-17 | 中航光电科技股份有限公司 | Assembly fixture for elastic ring installation and push rod and guide sleeve used by assembly fixture |
| CN203600176U (en) * | 2013-12-05 | 2014-05-21 | 许昌学院 | Environment-friendly bearing press-in device |
| CN203726434U (en) * | 2013-12-30 | 2014-07-23 | 博格华纳联合传动系统有限公司 | V-shaped seal ring installation device of automotive main wheel hub assembly |
| CN204019073U (en) * | 2014-07-31 | 2014-12-17 | 江苏莫仕天安连接器有限公司 | A kind of wave washer automatic centering press-in device |
| CN204935523U (en) * | 2015-08-19 | 2016-01-06 | 国家电网公司 | Crank arm box sealing ring assembling jig |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215895A (en) * | 2015-11-05 | 2016-01-06 | 湖南开关有限责任公司 | A kind of point, combined floodgate connecting lever assembling jig |
| CN105215895B (en) * | 2015-11-05 | 2016-08-24 | 湖南开关有限责任公司 | A kind of point, combined floodgate connecting lever assembling jig |
| CN108381451A (en) * | 2018-04-23 | 2018-08-10 | 苏州优力克流体控制科技有限公司 | A kind of installation tool and its installation method of valve rod sealing member |
| CN109249342A (en) * | 2018-11-06 | 2019-01-22 | 西安航天动力测控技术研究所 | Solid engines pressure gauge mounting tool for sealing ring |
| CN110416010A (en) * | 2019-07-09 | 2019-11-05 | 山东电工电气集团新能科技有限公司 | A kind of insulated pull rod assembly tooling |
| CN110416010B (en) * | 2019-07-09 | 2024-06-25 | 山东电工电气集团新能科技有限公司 | Insulated pull rod assembly fixture |
| CN112192499A (en) * | 2020-11-02 | 2021-01-08 | 中船动力有限公司 | Installation tool and installation method for high-pressure oil pump plunger combined type O-shaped sealing ring |
| CN112192499B (en) * | 2020-11-02 | 2024-04-05 | 中船动力有限公司 | Mounting tool and mounting method for high-pressure oil pump plunger combined O-shaped sealing ring |
| CN113084749A (en) * | 2021-04-12 | 2021-07-09 | 浙江银轮机械股份有限公司 | Sealing ring installer |
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Application publication date: 20151028 |