CN104465240A - Closing and opening spring connecting mechanism and adjusting tool of closing and opening spring connecting mechanism - Google Patents

Closing and opening spring connecting mechanism and adjusting tool of closing and opening spring connecting mechanism Download PDF

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Publication number
CN104465240A
CN104465240A CN201410567808.8A CN201410567808A CN104465240A CN 104465240 A CN104465240 A CN 104465240A CN 201410567808 A CN201410567808 A CN 201410567808A CN 104465240 A CN104465240 A CN 104465240A
Authority
CN
China
Prior art keywords
spring
pallet
chain
splitting
bindiny mechanism
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
Application number
CN201410567808.8A
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Chinese (zh)
Other versions
CN104465240B (en
Inventor
蒋舒
谭培杰
陈贺
杨志轶
张乃元
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.)
SHANGHAI SIEYUAN HIGH VOLTAGE SWITCHGEAR CO Ltd
Siyuan Electric Co Ltd
Original Assignee
SHANGHAI SIEYUAN HIGH VOLTAGE SWITCHGEAR CO Ltd
Siyuan Electric 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 SHANGHAI SIEYUAN HIGH VOLTAGE SWITCHGEAR CO Ltd, Siyuan Electric Co Ltd filed Critical SHANGHAI SIEYUAN HIGH VOLTAGE SWITCHGEAR CO Ltd
Priority to CN201410567808.8A priority Critical patent/CN104465240B/en
Publication of CN104465240A publication Critical patent/CN104465240A/en
Application granted granted Critical
Publication of CN104465240B publication Critical patent/CN104465240B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74Means for adjusting the conditions under which the device will function to provide protection

Abstract

The invention relates to a closing and opening spring connecting mechanism. The closing and opening spring connecting mechanism comprises a spring barrel and a compression spring; one end of the compression spring is fixed in the spring barrel, the other end of the compression spring is a free end, a tray is installed on the end face of the free end in an abutting-against mode, a groove wheel is installed in the spring barrel, a chain is arranged in a wheel groove of the groove wheel in a winding mode, the end, extending out of the spring barrel, of the chain is connected to an energy storage connecting lever or an outputting connecting lever, the other end of the chain extends in the compression direction of the compression spring and is connected with a screw through a chain connector, and the other end of the screw penetrates through the tray and is connected with the tray through a screwing nut. Lateral force between an existing tray and an existing spring barrel is avoided; in the motion process, the frictional resistance is small, and the transmission efficiency is high. By means of an adjusting tool, spring pre-compression amount adjusting becomes convenient and rapid, the spring pre-compression amount can be adjusted without taking down the tray and the compression spring, and the work efficiency is improved.

Description

A kind of bindiny mechanism of splitting or integrating lock spring and adjusting tool thereof
Technical field
The present invention relates to a kind of bindiny mechanism and adjusting tool thereof of splitting or integrating lock spring, specifically refer to, when the splitting or integrating lock big spring bindiny mechanism of high-voltage breaker spring operating mechanism and installation thereof, carry out the frock of precommpression and pre compressed magnitude adjustment.
Background technology
Spring operating mechanism is as one of the important form of high-voltage breaker operation mechanism, have that structure is simple, cost is low, the life-span is long, environmentally safe, weather condition are good, exempt from operation maintenance, high reliability, be used widely in primary cut-out.
In spring operating mechanism, as storing and the carrier that releases energy, the cylindroid helical-coil compression spring that the form of splitting or integrating lock spring generally adopts.During the assembling of this mechanism need splitting or integrating lock spring to be pre-compressed to certain position; Simultaneously for the otherness of different breaker body load characteristic, pre compressed magnitude that is involutory, tripping spring is also needed to adjust.
As shown in Figure 1, in the spring operating mechanism of prior art, be arranged on pallet (3) in spring strut (1) and connecting rod (6) is connected, splitting or integrating lock spring adopts link transmission, cause there is side force and additional friction resistance between pallet and spring strut, therefore transmission efficiency is low.Spring pre compressed magnitude regulates the mode of pad (4) quantity adopted between increase and decrease Compress Spring (5) and pallet (3), Compress Spring and pallet is needed to take off during adjustment, reinstall again after increase and decrease pad quantity, adjustment process takes time and effort, in addition, thickness due to pad is a fixed value, can only realize the steps adjustment of amount of spring compression.
Summary of the invention
Technical problem to be solved by this invention is the bindiny mechanism providing a kind of splitting or integrating lock spring, and the side force can eliminated between pallet and spring strut also can realize the electrodeless adjustment of spring pre compressed magnitude and storage power.
The technical scheme that the present invention solves the problem is as follows:
A bindiny mechanism for splitting or integrating lock spring, comprise spring strut and be arranged on the Compress Spring in spring strut, one end of described Compress Spring is fixed in spring strut, and the other end is free end, described free end end face compresses and is provided with pallet, it is characterized in that:
In described spring strut, a sheave is installed, described sheave place plane parallel is in the axis of spring strut, a chain around the home in the race of sheave, one end that described chain stretches out spring strut is connected on energy-storage crank arm, the other end of chain is extended along the compression direction of Compress Spring and is connected with screw rod by chain joint, another termination of described screw rod is passed pallet and is connected with pallet by fastening nut, is matched in clearance between pallet and screw rod.In this mechanism, chain realizes turning to of spring force by sheave, under spring force, pallet contacts with fastening nut all the time, fastening nut can match with ut socket, and recycling wrench operated is tightened or unclamps fastening nut, can realize pallet along screw axis translation.
Further improvement is, several directive wheel is along the circumferential direction evenly installed in the bottom of described pallet.Like this sliding friction between original pallet and spring strut is become the rolling friction between directive wheel and spring strut, decrease the friction between pallet and spring strut, greatly reduce the resistance in spring-compressed and dispose procedure.
The quantity of described directive wheel is preferably 3 or 4.
Described chain joint with between screw rod for being threaded.
Described screw rod and the portion of chain be connected with screw rod, chain joint are positioned on the axis of spring strut.
As another kind of improved procedure, between described pallet and Compress Spring, pad is installed.
Compared with adopting link transmission structure with splitting or integrating lock spring existing in Fig. 1, beneficial effect of the present invention is:
(1) Compress Spring adopts the mode that chain screw rod connects, and without side force between pallet and spring strut, in motion process, frictional resistance is little, transmission efficiency is high, can meet 550kV and above high-voltage circuit-breaker switching on-off operational requirements.
(2) can by realizing the electrodeless adjustment of spring pre compressed magnitude and storage power to the adjustment of fastening nut.
Because the divide-shut brake initial tension of spring on high-voltage breaker spring operating mechanism can reach newton up to ten thousand, cause in adjustment fastening nut process, Torque-adjusting is very large, regulates also likely cause the screw thread between screw rod and fastening nut to damage because of reasons such as local overheatings (being called for short screw thread " to kill ") if frequent; Simultaneously screw rod also can equidirectional rotation under Torque-adjusting effect, can produce moment of torsion, be unfavorable for the normal work of chain to chain.Therefore, another technical problem to be solved by this invention is to provide the adjusting tool of the bindiny mechanism of above-mentioned splitting or integrating lock spring, can realize effectively regulating fastening nut without when mutually compressing between pallet and fastening nut.
In order to solve the problem, the invention provides a kind of adjusting tool of splitting or integrating lock spring connecting mechanism, it is characterized in that:
It comprises base, for being fixed on support bar on spring strut end face and two leading screws paralleled, described leading screw and support bar are each passed through base, support bar lays respectively at the outside of leading screw, the tail end of support bar is provided with clamp nut, between described base and leading screw, nut is installed, the front end installation shaft bearing of described leading screw, described bearing pedestal is provided with thrust bearing.
The quantity of described support bar is 3.
The course of work and the operation principle of this adjusting tool are fixed on spring strut by support bar by base, by the distance of the nut adjustable bearings seat between spanner rotating threaded shaft top and base apart from base.After bearing pedestal contacts with pallet, continue adjusting screw, spring force is delivered on bearing pedestal and leading screw by pallet, and is delivered to further on base and spring strut.Because leading screw and nut directly exist self-locking relation, ensure that the Torque-adjusting on leading screw top is cancelled rear leading screw and also can be remained on original position.Two rhizoid thick sticks are regulated to promote pallet Compress Spring with identical speed, pallet is kept to move in parallel, no longer compress between pallet and fastening nut, when being adjusted to the compression position of needs, nutting sleeve on fastening nut cover, rotate nutting sleeve by spanner, now because of between pallet and fastening nut without pressure, so Torque-adjusting is very little.When fastening nut is adjusted to again contact with pallet time, unclamp leading screw and remove adjusting tool, now spring force is delivered on fastening nut and screw rod again, be delivered on mechanism driving axle further by chain, achieve the pre compressed magnitude of regulating spring in an unloaded situation, avoid the situation occurring between screw rod and fastening nut that screw thread " is killed ".When needs again regulating spring pre compressed magnitude time, only need repeat said process.
Compared with prior art, the advantage of above-mentioned adjusting tool is:
(1) regulating spring pre compressed magnitude becomes convenient and swift, no longer needs to take off pallet and Compress Spring just can realize regulating spring pre compressed magnitude, and operating efficiency is improved.
(2) by adjusting tool and fastening nut with the use of, the adjustment of spring pre compressed magnitude is time saving and energy saving, can avoid the thread abrasion that causes because screw-down torque is bigger than normal or damage simultaneously.
(3) the electrodeless adjustment to Compress Spring pre compressed magnitude is achieved.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art splitting or integrating lock spring link transmission mechanism.
In figure: 1-spring strut; 2-straight pin; 3-pallet; 4-pad; 5-Compress Spring; 6-connecting rod; 7-energy-storage crank arm
Fig. 2 is the structural representation of the bindiny mechanism of splitting or integrating lock spring of the present invention.
Fig. 3 is the structural representation after the present invention installs pad.
Fig. 4 is the structural representation of pallet in the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural representation of adjusting tool of the present invention.
Fig. 7 is the using state figure of adjusting tool of the present invention.
In Fig. 2 to Fig. 6: 1-sheave; 2-spring strut; 3-Compress Spring; 4-chain; 5-support holder structure; 51--chain joint; 52--screw rod; 53-pallet; 54-fastening nut; 55-directive wheel; 6--nutting sleeve; 7--adjusting tool; 71-support bar; 72-base; 73--clamp nut; 74-nut; 75-leading screw; 76-packing ring; 77-thrust bearing; 78-bearing pedestal; 8-energy-storage crank arm, 9--pad; 10--location tray.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail; the restriction of described embodiment not to invention protection range; obviously, those of ordinary skill in the art are not needing to obtain other embodiments under the prerequisite paying creative work, and these all belong to protection scope of the present invention.
Shown in composition graphs 2 to Fig. 5, a kind of conjunction, the bindiny mechanism of tripping spring, the Compress Spring 3 comprising spring strut 2 and be arranged in spring strut, one end 3a of described Compress Spring is fixed in the location tray 10 in spring strut, the other end of Compress Spring is free end 3b, described free end end face compresses pallet 53 is installed, near Compress Spring stiff end place, one sheave 1 is installed in described spring strut, described sheave place plane parallel is in the axis of spring strut, a chain 4 around the home in the race of sheave, one end that described chain stretches out spring strut is connected on energy-storage crank arm 8 (chain for tripping spring is then be connected on mechanism's output toggle arm), the other end of chain is extended along the compression direction of Compress Spring and is threaded with screw rod 52 by chain joint 51, chain realizes turning to of spring force by sheave, another termination of described screw rod is passed pallet and is connected with pallet 53 by fastening nut 54, it is matched in clearance between pallet and screw rod, under spring force, pallet contacts with fastening nut all the time, fastening nut can match with ut socket, recycling wrench operated is tightened or unclamps fastening nut, pallet can be realized along screw axis translation, , .Several directive wheel 55 is along the circumferential direction evenly installed in the bottom of described pallet.The quantity of described directive wheel is preferably 3 or 4.Described screw rod and the portion of chain be connected with screw rod are positioned on the axis of spring strut.
As shown in Figure 3, as the another kind of execution mode of the bindiny mechanism of a kind of splitting or integrating of the present invention lock spring, pad 9. is installed between pallet and Compress Spring
Shown in composition graphs 6 and Fig. 7, a kind of adjusting tool of bindiny mechanism of splitting or integrating lock spring, it comprises base 72, for being fixed on support bar 71 on spring strut end face and two leading screws paralleled 75, the quantity of support bar can be 2 to 4, is preferably 3.
Described leading screw and support bar are each passed through base, support bar lays respectively at the outside of leading screw, and the tail end of support bar is provided with clamp nut 73, is provided with nut 74 between described base and leading screw, the front end installation shaft bearing 78 of described leading screw, described bearing pedestal is provided with thrust bearing 77.
Adjusting tool of the present invention realizes regulating the main mechanism principle used to have two: one to be the maintenance utilizing screw rod and fastening nut, self-locking relational implementation spring position between leading screw and nut, realizes the electrodeless adjustment of spring pre compressed magnitude simultaneously; Two is the contact relations by controlling pallet and fastening nut, realizes the switching of spring force between fastening nut and adjusting tool.Meanwhile, by being evenly arranged 4 directive wheels at the circumferencial direction of tray bottom, the sliding friction between pallet and spring strut being converted to the rolling friction between wheel and spring strut, greatly reducing the resistance in spring-compressed and dispose procedure.
Spring is under former long status, and by adjusting tool (7) by the precommpression position of spring-compressed to design, its process is as follows: 1. connect chain and chain joint and chain joint and screw rod in advance, and be placed in spring strut by screw rod; 2. spring strut is vertically placed, bottom spring strut, put into spring location tray as required; 3. spring is put into spring strut, and adjust in the location notch of location tray; 4. now screw rod and lax chain are positioned at the inner diameter zone of spring, the elongate rod (mechanism's assembly tooling) of one end band same size screw thread is screwed in the screwed hole of screw rod tail, should ensures that under free placement situation elongate rod stretches out spring strut one end length; 5. by directive wheel pre-installation on pallet, allow elongate rod pass the interstitial hole of pallet, pallet put into spring strut, and ensure with spring locate correctly; 6. allow elongate rod pass the interstitial hole of fastening nut, and fastening nut is screwed into screw rod one segment distance; 7. dismantle elongate rod, load onto adjusting tool, now bearing pedestal not yet contacts with pallet; 8. utilize spanner to be regulated to contacting direction with pallet by two rhizoid thick sticks simultaneously, Compress Spring when just contacting from two pieces bearing pedestal with pallet, now need with two spanners almost constant speed's adjusting screw simultaneously, to ensure the basic keeping parallelism of the axis of pallet axis and spring strut; 9. continue to regulate two rhizoid thick sticks to the precommpression position being slightly more than needs simultaneously, utilize nutting sleeve to be tightened to by fastening nut and again contact with pallet and the basic tension position of chain; 10. unclamp leading screw, fine setting fastening nut and chain attitude, the now complete tensioning of chain, dismounting adjusting tool, completes spring fitting.
Operating mechanism is in characteristic debug process, if find spring energy improper (bigger than normal or less than normal), the process of regulating spring energy is as follows: 1. reinstall on spring strut by adjusting tool; 2. regulate two rhizoid thick sticks that bearing pedestal is contacted with pallet (bearing pedestal can not be pressed on directive wheel) simultaneously; 3. continuing adjusting screw makes chain relax, according to regulating the distance needing to determine to continue to regulate: if need to increase spring energy, need adjusting screw to compress the spring into position slightly larger than needs compression, then by nutting sleeve fastening nut is threaded into and again contacts with pallet and the basic tension position of chain; If need reduce spring energy, only need adjusting screw make chain relax, by nutting sleeve by fastening nut opposite spin to needs position; 4. unclamp leading screw, fine setting fastening nut and chain attitude, chain is tensioning completely again, dismounting adjusting tool.
During operating mechanism maintenance, if the maximal regulated amount of existing spring can not meet instructions for use or existing spring breaking down, need the operating process more renewing spring as follows: in repeat property debug process step 1. ~ 3., wherein 3. step carries out according to the regulative mode reducing spring energy, and difference is screw rod of being back-outed completely in the other direction by fastening nut; Progressively unclamping leading screw makes two pieces bearing pedestal be separated with pallet; Dismounting adjusting tool, takes out pallet and spring to be replaced.More spring is renewed according to the operating procedure of installing new spring.

Claims (8)

1. the bindiny mechanism of a splitting or integrating lock spring, comprise spring strut (2) and be arranged on the Compress Spring (3) in spring strut, one end (3a) of described Compress Spring is fixed in spring strut, the other end is free end (3b), described free end end face compresses pallet (53) is installed, it is characterized in that:
In described spring strut, a sheave (1) is installed, described sheave place plane parallel is in the axis of spring strut, a chain (4) around the home in the race of sheave, one end that described chain stretches out spring strut is connected on energy-storage crank arm or output toggle arm, the other end of chain extends along the compression direction of Compress Spring and passes through chain joint (51) and is connected with screw rod (52), another termination of described screw rod is also connected with pallet by fastening nut (54) through pallet, is matched in clearance between pallet and screw rod.
2. the bindiny mechanism of splitting or integrating lock spring according to claim 1, is characterized in that:
Several directive wheel (55) is along the circumferential direction evenly installed in the bottom of described pallet.
3. the bindiny mechanism of splitting or integrating lock spring according to claim 2, is characterized in that:
The quantity of described directive wheel is 3 or 4.
4. the bindiny mechanism of splitting or integrating lock spring according to claim 1, is characterized in that:
For being threaded between described chain joint (51) with screw rod (52).
5. the bindiny mechanism of splitting or integrating lock spring according to claim 1, is characterized in that:
Described screw rod and the portion of chain be connected with screw rod, chain joint are positioned on the axis of spring strut.
6. the bindiny mechanism of splitting or integrating lock spring according to claim 1, is characterized in that:
Pad (9) is installed between described pallet and Compress Spring.
7. an adjusting tool for the bindiny mechanism of splitting or integrating lock spring, is characterized in that:
It comprises base (72), for being fixed on support bar (71) on spring strut end face and two leading screws paralleled (75), described leading screw and support bar are each passed through base, support bar lays respectively at the outside of leading screw, the tail end of support bar is provided with clamp nut (73), nut (74) is installed between described base and leading screw, front end installation shaft bearing (78) of described leading screw, described bearing pedestal is provided with thrust bearing (77).
8. the adjusting tool of the bindiny mechanism of splitting or integrating lock spring according to claim 7, is characterized in that:
The quantity of described support bar is 3.
CN201410567808.8A 2014-10-23 2014-10-23 The bindiny mechanism of a kind of splitting or integrating lock spring and regulation frock thereof Expired - Fee Related CN104465240B (en)

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Application Number Priority Date Filing Date Title
CN201410567808.8A CN104465240B (en) 2014-10-23 2014-10-23 The bindiny mechanism of a kind of splitting or integrating lock spring and regulation frock thereof

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CN104465240B CN104465240B (en) 2016-10-05

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109767941A (en) * 2019-03-18 2019-05-17 湖南长高电气有限公司 It is a kind of for assembling and disassembling the auto-manual tooling of tripping spring
CN109887799A (en) * 2019-03-12 2019-06-14 平高集团有限公司 Spring operating mechanism and its adjusting tooling
CN109979784A (en) * 2019-03-12 2019-07-05 平高集团有限公司 Spring operating mechanism
CN110323083A (en) * 2018-03-28 2019-10-11 平高集团有限公司 Spring operating mechanism and its compression end cap
CN113539705A (en) * 2021-06-03 2021-10-22 平高集团有限公司 Spring energy adjusting tool for spring operating mechanism
CN114496668A (en) * 2021-12-20 2022-05-13 河南平高电气股份有限公司 Spring operating mechanism and circuit breaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86107271A (en) * 1985-10-23 1987-04-22 阿尔斯汤姆有限公司 A kind of controlling organization of circuit breaker and the circuit breaker of this mechanism is housed
KR100250079B1 (en) * 1996-09-11 2000-04-01 정몽규 Spring striping and fixing jig
CN2814072Y (en) * 2005-09-13 2006-09-06 江阴市石油化工设备有限公司 Screw connecting spring hanger
CN101271797A (en) * 2008-04-30 2008-09-24 中国电力科学研究院 Spring overtravel device
CN102299010A (en) * 2011-08-17 2011-12-28 山东泰开中压开关有限公司 Novel auxiliary switch-off spring structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86107271A (en) * 1985-10-23 1987-04-22 阿尔斯汤姆有限公司 A kind of controlling organization of circuit breaker and the circuit breaker of this mechanism is housed
KR100250079B1 (en) * 1996-09-11 2000-04-01 정몽규 Spring striping and fixing jig
CN2814072Y (en) * 2005-09-13 2006-09-06 江阴市石油化工设备有限公司 Screw connecting spring hanger
CN101271797A (en) * 2008-04-30 2008-09-24 中国电力科学研究院 Spring overtravel device
CN102299010A (en) * 2011-08-17 2011-12-28 山东泰开中压开关有限公司 Novel auxiliary switch-off spring structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110323083A (en) * 2018-03-28 2019-10-11 平高集团有限公司 Spring operating mechanism and its compression end cap
CN109887799A (en) * 2019-03-12 2019-06-14 平高集团有限公司 Spring operating mechanism and its adjusting tooling
CN109979784A (en) * 2019-03-12 2019-07-05 平高集团有限公司 Spring operating mechanism
CN109767941A (en) * 2019-03-18 2019-05-17 湖南长高电气有限公司 It is a kind of for assembling and disassembling the auto-manual tooling of tripping spring
CN113539705A (en) * 2021-06-03 2021-10-22 平高集团有限公司 Spring energy adjusting tool for spring operating mechanism
CN113539705B (en) * 2021-06-03 2023-05-26 平高集团有限公司 Spring energy adjusting tool for spring operating mechanism
CN114496668A (en) * 2021-12-20 2022-05-13 河南平高电气股份有限公司 Spring operating mechanism and circuit breaker
CN114496668B (en) * 2021-12-20 2024-04-05 河南平高电气股份有限公司 Spring operating mechanism and circuit breaker

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