CN208060640U - A kind of zinc oxide arrester tester - Google Patents

Abstract

The utility model is related to arrester test equipments,Disclose a kind of zinc oxide arrester tester,It solves the problems, such as that the case lid lid conjunction of existing tester is too quickly and vibration damage is caused to main equipment board,It includes babinet and main equipment board,Babinet includes be hinged lid conjunction installs case and case lid,Locked component for the installs case and case lid that lid closes fixed completely is installed between installs case and case lid,Buffer Unit is additionally provided in babinet,Case lid includes fixed shaft,Open and its open edge is hinged with shaft above installs case,Buffer Unit includes socket and is fixed on the ratchet on the outside of shaft,With the chain and buffer spring engaged on the outside of ratchet,The lower end of buffer spring is fixed in installs case,The upper end of buffer spring is mutually fixed with one end of chain,The other end of chain downward and is fixed in installs case,Buffer spring is in tensional state when case lid covers conjunction completely with installs case.The buffering that can be closed to case lid lid prevents the conjunction of case lid lid is too quickly from causing to damage to main equipment board.

Description

A kind of zinc oxide arrester tester

Technical field

The utility model is related to arrester test equipment, more particularly to a kind of zinc oxide arrester tester.

Background technology

Zinc oxide arrester tester is the special instrument for detecting Zinc-Oxide Arrester electric property, which is applicable in Electrification in the Zinc-Oxide Arrester of various voltage class or the detection that has a power failure, so that timely discovering device built-in electrical insulation makes moist and valve The danger defect such as piece aging.

Existing zinc oxide arrester tester includes babinet and main equipment board, and babinet includes the lid conjunction installation that is hinged again Case and case lid, installs case top is open, and main equipment board is mounted in installs case.It is also equipped between installs case and case lid for solid The locked component of the installs case and case lid that lid closes fixed completely, locked component are generally hasp.

When being disadvantageous in that case lid and installation case lid close, case lid hits installs case, if case lid can cover under falling or slipping up It closes too quickly, strong vibration is caused to main equipment board, main equipment board may be caused to damage.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of zinc oxide arrester tester, can be right The buffering that case lid lid closes prevents the conjunction of case lid lid is too quickly from causing to damage to main equipment board.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of zinc oxide arrester tester, including babinet and main equipment board, babinet include be hinged lid close installs case and Case lid is also equipped with the locked component for the installs case and case lid that lid closes fixed completely, institute between the installs case and case lid State and be additionally provided with Buffer Unit in babinet, the case lid includes fixed shaft, it is open above the installs case and its open one Edge is hinged with shaft, the Buffer Unit include socket and be fixed on the outside of shaft ratchet, with ratchet outside engage The lower end of chain and buffer spring, the buffer spring is fixed in installs case, the upper end of the buffer spring and chain One end is mutually fixed, and the other end of the chain downward and is fixed in installs case, and the case lid delays when cover conjunction completely with installs case It rushes spring and is in tensional state.

By using above-mentioned technical proposal, when case lid is opened, the component that first unlocks to covering the installs case and case of conjunction completely The fixation of lid, buffer spring start to bounce back, and pull one end that chain is connect with buffer spring to movement and drive ratchet wheel, axis Bar synchronizes ratchet wheel so that opens gap between case lid and installs case, raises case lid convenient for human hand；When case lid lid closes, axis Bar synchronizes case lid and rotates and drive ratchet so that pulls one end that chain is connect with buffer spring to pulling above installs case, makes It obtains buffer spring to stretch, generates reversed pulling force and case lid lid is hindered to close, slow down case lid lid sum velocity, and case lid and installs case are got over It is closed, the pulling force of buffer spring is bigger, and case lid lid sum velocity slowing effect is stronger, is achieved in the buffering closed to case lid lid, prevents Only the conjunction of case lid lid is too quickly causes to damage to main equipment board；Simultaneously with buffer spring, chain, ratchet be used cooperatively and be directly sleeved on Torsional spring on shaft is compared, installation and maintenance replace part of damage it is more convenient, and use during not with to installs case It causes to compress scratch with case lid.

Preferably, the shaft and ratchet are located in babinet.

By using above-mentioned technical proposal, prevent ratchet and chain from exposing outside the enclosure, avoid ratchet and chain it is exposed Babinet is outer and is destroyed, while so that the edge being hinged both when installs case and case lid lid close is smooth to be steadily positioned over ground On face.

Preferably, the buffer spring is placed vertically, and the chain is not perpendicular in the directly fixed one end of buffer spring It is straight downwards and it is placed adjacent with buffer spring.

By using above-mentioned technical proposal, reduce the white space between buffer spring and chain, reduces Buffer Unit and exist Shared volume in installs case, avoids space used in extrusion apparatus mainboard.

Preferably, the upper end of the buffer spring carries vertical fixed column, and the chain is fixed with buffer spring One end and fixation it is column articulated.

By using above-mentioned technical proposal, the connection type of chain and buffer spring is hinged, and chain is bonded on the outside of ratchet When flexural deformation, pulling force of the chain to buffer spring in the horizontal direction is reduced, buffer spring flexural deformation is avoided, extends buffering The service life of component.

Preferably, the Buffer Unit includes shell, and the chain and buffer spring are respectively positioned in shell.

By using above-mentioned technical proposal, chain and buffer spring are kept apart with main equipment board, avoids main equipment board band The electric wire having twists the case where into causing the stuck case lid of Buffer Unit that can not open or cover conjunction in chain or buffer spring, and And the electric wire for protecting main equipment board to carry, prevent electric wire from damaging.

Preferably, the ratchet straps are jagged, and the shaft side is provided with the mating groove of vertical shaft axial direction, described Notch can parallel vertical shaft axial direction respectively from the both ends of mating groove slide into mating groove in and therewith fitting abutting.

By using above-mentioned technical proposal, ratchet and shaft are detachably connected, and ratchet is installed and retracted conveniently, and not to axis The installation of bar does not cause difficulty, is assembled convenient for zinc oxide arrester tester.

Preferably, the ratchet is accommodating inside the housing.

By using above-mentioned technical proposal, preventing tester to be not intended to when using zinc oxide arrester tester will fitting Chain on the outside of ratchet touches down, and improves the practicability of Buffer Unit.

Preferably, the chain includes several hinged chain blocks, and the shell includes vertical and adjacent chain chamber And spring housing, partition wall is provided between the chain chamber and spring housing, the chain block length is less than partition wall towards chain chamber The interior one side side wall the distance between parallel with partition wall with chain chamber.

By using above-mentioned technical proposal, when case lid lid closes, one end phase chain that chain is not directly connected to buffer spring Room bottom end, in its moving process, chain stacking is deposited in chain chamber, and chain is to outside chain chamber when being opened convenient for case lid It is mobile.

In conclusion the utility model has the advantages that：

1. case lid is opened, the component that first unlocks is opened covering the installs case of conjunction and the fixation of case lid, buffer spring completely Begin retraction, pulls one end that chain is connect with buffer spring to movement and drives ratchet wheel, shaft synchronizes ratchet wheel so that Gap is opened between case lid and installs case, raises case lid convenient for human hand；When case lid lid closes, shaft synchronizes case lid and rotates and drive Ratchet so that pull one end that chain is connect with buffer spring to pulling above installs case so that buffer spring stretches, and generates anti- To pulling force hinder case lid lid close, slow down case lid lid sum velocity, and case lid and installs case are more closed, the pulling force of buffer spring is got over Greatly, case lid lid sum velocity slowing effect is stronger, is achieved in the buffering closed to case lid lid, prevents case lid lid from closing too quickly to instrument master Plate causes to damage；

2. simultaneously with buffer spring, chain, ratchet with the use of compared with being directly sleeved on the torsional spring on shaft, installation With maintenance replace part of damage it is more convenient, and use during not with installs case and case lid are caused to compress scratch.

Description of the drawings

Fig. 1 is the structural schematic diagram of zinc oxide arrester tester；

Fig. 2 is the sectional view for embodying Buffer Unit internal structure；

Fig. 3 is partial enlarged views of the Fig. 2 at A；

Fig. 4 is the structural schematic diagram of buffer spring and chain junction.

Reference numeral：1, babinet；2, main equipment board；12, installs case；11, case lid；111, shaft；1111, mating groove；3, Locked component；4, Buffer Unit；41, shell；411, chain chamber；412, spring housing；413, partition wall；42, ratchet；421, it lacks Mouthful；43, chain；431, chain block；432, fixinig plate；433, fixing bolt；4321, threaded hole；4322, it perforates；44, buffering elastic Spring；441, fixed column；4411, through-hole.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

The above-mentioned technical purpose of the utility model technical scheme is that：

As shown in Fig. 1, a kind of zinc oxide arrester tester comprising have babinet 1 and main equipment board 2.Babinet 1 includes Installs case 12 and case lid 11, the edge that top is open and it is open of installs case 12 is hinged with case lid 11 and can cover conjunction.Case lid 11 rotatable covers are closed in the opening of installs case 12.Main equipment board 2 is mounted in installs case 12.Between case lid 11 and installs case 12 It is additionally provided with locked component 3, the selection of locked component 3 can be herein hasp depending on actual conditions.It is close in installs case 12 The side of case lid 11 is provided with Buffer Unit 4.The quantity of Buffer Unit 4 is depending on actual conditions, and quantity is two herein.

As shown in Fig. 2, Buffer Unit 4 includes the shell 41 of strip, and the bottom surface of shell 41 is fixed in installs case 12 Bottom surface, and one side and the side wall internal face of 12 hinged case lid 11 of installs case are affixed.It is provided with partition wall in shell 41 413, partition wall 413 will be divided into chain chamber 411 and spring housing 412 inside shell 41, chain chamber 411 and spring housing 412 it is upper End communicates.Also be installed with horizontal shaft 111 in shell 41 simultaneously, shaft 111 be located at right over partition wall 413 and its it is axial with divide Next door 413 is parallel, and the both ends of shaft 111 are fixed with 11 phase of case lid.

As shown in Fig. 3, mating groove 1111 axial with vertical shaft 111 is provided on the side of shaft 111, mating groove 1111 can be depending on actual conditions, and the axial section of vertical shaft 111 is arch herein.

Buffer Unit 4 further includes ratchet 42, the chain 43 engaged with 42 outside of ratchet and buffer spring 44.Ratchet 42 is in Cyclic annular and its outside carries ratchet, while the notch 421 of " u "-shaped is carried on ratchet 42, and notch 421 can parallel vertical shaft 111 Axial direction slides into mating groove 1111 and is bonded therewith from the both ends of mating groove 1111 respectively and abuts, and is thus socketed ratchet 42 And it is fixed on the side of shaft 111.

Chain 43 includes the chain block 431 of multiple adjacent hinges, and 431 side of chain block can be meshed card with the ratchet of ratchet 42 It connects, for 43 pressure of chain at 42 outside of ratchet, the rotation of ratchet 42 can pull chain 43.One end of chain 43 it is fixed straight down with The bottom of chain chamber 411, the other end are stretched in spring housing 412.

Buffer spring 44 is vertically placed in spring housing 412, and lower end and the bottom surface of spring housing 412 are mutually fixed, the upper end With axial vertical fixed column 441.

As described in attached drawing 4, the side of fixed column 441 is provided with through-hole parallel with partition wall 413 and through fixed column 441 4411.Chain 43, which stretches into, also carries two parallel fixinig plates 432 and fixing bolt 433 on one end in spring housing 412.Two fix Piece 432, which has, aligns threaded hole 4321 and perforation 4322, fixed column 441 can be inserted between two fixinig plates 432 and Make perforation 4322, through-hole 4411 and threaded hole 4321 while being aligned.Fixing bolt 433 passes through successively from the side of a fixinig plate 432 Perforation 4322, through-hole 4411 and threaded hole 4321 are simultaneously threadedly coupled with threaded hole 4321, and chain 43 is bonded 42 outer lateral bending of ratchet When song deformation, pulling force of the chain 43 to buffer spring 44 in the horizontal direction is reduced, 44 flexural deformation of buffer spring is avoided, is extended The service life of Buffer Unit 4.

The operation principle of the utility model：

When case lid 11 is opened, the component 3 that first unlocks to covering the fixation of the installs case 12 and case lid 11 of conjunction, buffering elastic completely Spring 44 starts to bounce back, and pulls one end that chain 43 is connect with buffer spring 44 to movement and ratchet 42 is driven to rotate, shaft 111 is same It walks ratchet 42 to rotate so that open gap between case lid 11 and installs case 12, raise case lid 11 convenient for human hand；The lid of case lid 11 closes When, shaft 111 synchronizes case lid 11 and rotates and drive ratchet 42 so that pulls one end that chain 43 is connect with buffer spring 44 to peace 12 top of vanning pulls so that buffer spring 44 stretches, and generates reversed pulling force and the lid of case lid 11 is hindered to close, and slows down the lid of case lid 11 and closes Speed, and case lid 11 and installs case 12 are more closed, and the pulling force of buffer spring 44 is bigger, and 11 lid sum velocity slowing effect of case lid is got over By force, it is achieved in the buffering closed to the lid of case lid 11, prevents the lid conjunction of case lid 11 is too quickly from causing to damage to main equipment board 2.

Simultaneously with buffer spring 44, chain 43, ratchet 42 with the use of with the torsional spring phase that is directly sleeved on shaft 111 Than installation and maintenance replacement part of damage are more convenient, and are not caused with to installs case 12 and case lid 11 during use Compress scratch.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of zinc oxide arrester tester, including babinet（1）And main equipment board（2）, babinet（1）Including being hinged, lid closes peace Vanning（12）And case lid（11）, the installs case（12）And case lid（11）Between be also equipped with for the fixed installation that lid closes completely Case（12）And case lid（11）Locked component（3）, which is characterized in that the babinet（1）Inside it is additionally provided with Buffer Unit（4）, described Case lid（11）Including fixed shaft（111）, the installs case（12）The edge and shaft that top is open and it is open（111） It is hinged, the Buffer Unit（4）Including being socketed and being fixed on shaft（111）The ratchet in outside（42）With ratchet（42）Outside The chain of engagement（43）And buffer spring（44）, the buffer spring（44）Lower end be fixed on installs case（12）It is interior, it is described Buffer spring（44）Upper end and chain（43）One end mutually fix, the chain（43）The other end downward and be fixed on installs case （12）It is interior, the case lid（11）With installs case（12）Buffer spring when lid closes completely（44）In tensional state.

2. a kind of zinc oxide arrester tester according to claim 1, which is characterized in that the shaft（111）And spine Wheel（42）Positioned at babinet（1）It is interior.

3. a kind of zinc oxide arrester tester according to claim 2, which is characterized in that the buffer spring（44）It is perpendicular It is straight to place, the chain（43）Not in buffer spring（44）Direct fixed one end is straight down and itself and buffer spring（44）Phase Neighbour places.

4. a kind of zinc oxide arrester tester according to claim 1, which is characterized in that the buffer spring（44）'s Upper end carries vertical fixed column（441）, the chain（43）With buffer spring（44）Fixed one end and fixed column（441）Hinge It connects.

5. a kind of zinc oxide arrester tester according to claim 1, which is characterized in that the Buffer Unit（4）Packet Include shell（41）, the chain（43）And buffer spring（44）It is respectively positioned on shell（41）It is interior.

6. a kind of zinc oxide arrester tester according to claim 5, which is characterized in that the ratchet（42）With scarce Mouthful（421）, the shaft（111）Side is provided with vertical shaft（111）Axial mating groove（1111）, the notch（421）It can Parallel vertical shaft（111）Axial direction is respectively from mating groove（1111）Both ends slide into mating groove（1111）It is interior and be bonded therewith It abuts.

7. a kind of zinc oxide arrester tester according to claim 6, which is characterized in that the ratchet（42）It is accommodated in Shell（41）It is internal.

8. a kind of zinc oxide arrester tester according to claim 5, which is characterized in that the chain（43）If including Dry hinged chain block（431）, the shell（41）Including vertical and adjacent chain chamber（411）And spring housing（412）, the chain Room（411）And spring housing（412）Between be provided with partition wall（413）, the chain block（431）Length is less than partition wall（413） Towards chain chamber（411）Interior one side and chain chamber（411）With partition wall（413）The distance between parallel side wall.