CN208224149U - A kind of electric system lightning protection ground material modularization measuring device - Google Patents
A kind of electric system lightning protection ground material modularization measuring device Download PDFInfo
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- CN208224149U CN208224149U CN201820600043.7U CN201820600043U CN208224149U CN 208224149 U CN208224149 U CN 208224149U CN 201820600043 U CN201820600043 U CN 201820600043U CN 208224149 U CN208224149 U CN 208224149U
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Abstract
A kind of electric system lightning protection ground material modularization measuring device, including square opening frame, wiring clamping plate, modular sample clamping plate, spiral anchorage bar, square opening frame is C-shaped configuration, it includes left bridge arm, upper bridge arm, lower bridge arm, one end of upper bridge arm is hinged with right bridge arm, wiring clamping plate, modular sample clamping plate is successively set on from top to bottom on the upper surface of lower bridge arm, spiral anchorage bar resists wiring clamping plate after passing through upper bridge arm, spiral anchorage bar is connected with upper bridge arm, multiple semi-circular recesses are offered on the lower end surface of wiring clamping plate, groove is for arranging measurement lead, modular sample clamping plate includes symmetrically arranged upper sample clamping plate and lower sample clamping plate, upper sample clamping plate, the middle part of lower sample clamping plate offers through slot, the through slot of upper and lower sample clamping plate forms cavity, cavity is for arranging grounding body.The design is not only applied widely, is connected firmly, high reliablity, but also structure is simple, production cost is low.
Description
Technical field
The utility model relates to the electricity of electric system lightning protection ground material, mechanics parameter measuring device more particularly to one
Kind electric system lightning protection ground material modularization measuring device is primarily adapted for use in and expands the scope of application, enhancing bonding strength, improves
Unfailing performance.
Background technique
Electric system grounded screen is the important lightning protection support facility of power equipment, due to the effect and peace of different power equipments
Holding position is variant, so that the ground connection net materials selection of different power equipments has difference.In recent years, some non-metal grounding materials
Start to apply in electric system lightning protection field, such as the compound ground connection cable of graphite, flat-shaped graphite tape.In addition, ion earthing
Body, flexibility are let out the novel grounded resistance-lowering materials such as electricity packet and are also widely applied in practical projects.The material parameter of novel grounded material
Measurement is the premise of its application, currently, earthing material generally pays close attention to electric conductivity and mechanics parameter, wherein resistivity of material
Test is often test the most basic, realizes accurately measuring with important engineering significance for its numerical value.
Currently, for electric system lightning protection ground material resistivity measurement often through instrument for measuring DC resistance or straight
Galvanic electricity bridge, both measurement methods require for earthing material sample to be measured to be connected to the (letter of external measuring circuit in measurement
Claim " external pelivimetry circuit ", similarly hereinafter).And the connecting wire of external pelivimetry circuit generallys use crocodile clip, this kind of measured material is on the one hand
Clamping dimension is limited, it is difficult to clamp the earthing material of unconventional cylinder；On the other hand, the clamping force of crocodile clip is too small, and one
As be difficult to realize grounding body secured clamping so that earthing material sample be easy sliding offset, contact resistance is very big, seriously affects
The resistivity measurements of earthing material sample.In addition, some earthing material samples are carrying out bending resistance, tension and torsional property survey
When examination, without matched clamp, enough aid dynamics are required to when carrying out corresponding Mechanics Performance Testing for existing measuring device
Fixture.
Summary of the invention
The purpose of the utility model is to overcome narrow application range existing in the prior art, be not connected firmly, reliability it is low
Defect and problem, provide it is a kind of it is applied widely, be connected firmly, high reliablity, and the electric power that structure is simple, production cost is low
System thunder defending earthing material modularization measuring device.
In order to achieve the above object, the technical solution of the utility model is: a kind of electric system lightning protection ground material mould
Block measuring device, including square opening frame, wiring clamping plate, modular sample clamping plate, spiral anchorage bar, the square opening
Frame is C-shaped configuration comprising left bridge arm, upper bridge arm, lower bridge arm, the end of the left bridge arm respectively with upper bridge arm, lower bridge arm phase
Connection, the wiring clamping plate, modular sample clamping plate are successively set on from top to bottom on the upper surface of lower bridge arm, described spiral
Anchorage bar resists wiring clamping plate after passing through upper bridge arm, and spiral anchorage bar is connected with upper bridge arm, the lower end of the wiring clamping plate
Open up fluted on face, groove is offered through modularization in the middle part of the modular sample clamping plate for arranging measurement lead
The cavity of sample clamping plate, cavity is for arranging grounding body.
The upper bridge arm is hinged with right bridge arm far from one end of left bridge arm, and the angle of the right bridge arm and upper bridge arm is greater than etc.
In 90 degree.
Mounting groove is offered on the lower end surface of the upper bridge arm, and the No.1 screw hole through mounting groove is offered on upper bridge arm,
No.1 screw hole is matched with bolt rotary shaft, and one end of the right bridge arm offers through-hole, and the end is located in mounting groove, described
Bolt rotary shaft is fixed after sequentially passing through No.1 screw hole, through-hole.
The sum of length and the half of height of modular sample clamping plate of the right bridge arm are equal to the length of left bridge arm.
The modular sample clamping plate includes symmetrically arranged upper sample clamping plate and lower sample clamping plate, the upper sample clamping plate
Through slot is offered in the middle part of lower end surface, and lower through slot, lower through slot are offered in the middle part of the lower sample clamping plate upper surface
Cavity is formed with upper through slot.
The upper through slot, lower through slot cross section be triangle, the cross section of the cavity is quadrangle.
The upper sample clamping plate, lower sample clamping plate are convex structure, the end of the upper sample clamping plate respectively with a left side
Bridge arm, right bridge arm fit, and one end of the lower sample clamping plate fits with left bridge arm.
The wiring clamping plate is convex structure, and the end of wiring clamping plate fits with left bridge arm, right bridge arm respectively, wiring
Circular groove is offered in the middle part of clamping plate upper surface, circular groove is matched with the bottom of spiral anchorage bar, the groove
Number be it is multiple, multiple grooves are uniformly arranged on the lower end surface of wiring clamping plate, and groove is semicircular structure.
The spiral anchorage bar is T-shaped structure comprising screw rod and anchorage bar offer at the top of the anchorage bar
Circular hole is penetrated through, the outer peripheral surface of anchorage bar lower part is provided with screw thread, and No. two screw holes opened up in the middle part of screw thread and upper bridge arm match, institute
It states screw rod and passes through perforation circular hole, and screw rod, along the axial movement of perforation circular hole, the end of screw rod is connected with bulb.
Compared with prior art, the utility model has the following beneficial effects:
1, measuring device includes opening in a kind of electric system lightning protection ground material modularization measuring device of the utility model
Square frame, wiring clamping plate, modular sample clamping plate, spiral anchorage bar, square opening frame are C-shaped configuration comprising left bridge arm,
Upper bridge arm, lower bridge arm, the end of left bridge arm are connected with upper bridge arm, lower bridge arm respectively, wiring clamping plate, modular sample clamping plate from
Top to bottm is successively set on the upper surface of lower bridge arm, and spiral anchorage bar resists wiring clamping plate after passing through upper bridge arm, spirally
Anchorage bar is connected with upper bridge arm, and on the one hand a variety of earthing material tests can be achieved in such design, usability is strong, another party
Gauge structure is simple, it can be achieved that die sinking batch production, production cost are controllable；It is offered on the lower end surface of wiring clamping plate recessed
Slot, groove offer the cavity through modular sample clamping plate in the middle part of modular sample clamping plate, sky for arranging measurement lead
Chamber is for arranging grounding body, and above-mentioned design is so that clamping plate and measurement lead, grounding body keep biggish contact area, connection jail
Gu joint efficiency is high, measurement result is not drifted about.Therefore, the utility model is not only applied widely, is connected firmly, reliably
Property it is high, and structure is simple, production cost is low.
2, bridge arm is gone up in a kind of electric system lightning protection ground material modularization measuring device of the utility model far from left bridge arm
One end be hinged with right bridge arm, the angle of right bridge arm and upper bridge arm is more than or equal to 90 degree, and left and right bridge arm together constitutes binding clip
The movable rail of plate and modular sample clamping plate is not only convenient for assembling, and high reliablity；The length and modularization of right bridge arm
The sum of half of height of sample clamping plate is equal to the length of left bridge arm, on the one hand guarantees the free-open-close of right bridge arm, on the other hand
When guaranteeing that measurement width is more than the grounding body of square opening frame, it is able to maintain the parallel of left and right bridge arm；On the lower end surface of upper bridge arm
Mounting groove is offered, the No.1 screw hole through mounting groove is offered on upper bridge arm, one end of bridge arm offers through-hole, and end position
In in mounting groove, bolt rotary shaft is fixed after sequentially passing through No.1 screw hole, through-hole, and such design is not only simple in structure, and
It is connected firmly, installation and removal simplicity.Therefore, the utility model installation and removal simplicity, high reliablity, applied widely, knot
Structure is simple, is connected firmly.
3, modular sample clamping plate packet in a kind of electric system lightning protection ground material modularization measuring device of the utility model
Symmetrically arranged upper sample clamping plate and lower sample clamping plate are included, through slot, lower examination are offered in the middle part of upper sample clamping plate lower end surface
Lower through slot is offered in the middle part of sample clamping plate upper surface, lower through slot and upper through slot form cavity, mould using the above structure
Block sample clamping plate, can be adapted for different types of grounding body；Upper through slot, lower through slot cross section be triangle,
The cross section of cavity is quadrangle, which can not only be grounded the fixation of body, and can significantly increase grounding body
With the contact area of sample clamping plate；Upper sample clamping plate, lower sample clamping plate are convex structure, the end difference of upper sample clamping plate
It fits with left bridge arm, right bridge arm, one end and the left bridge arm of lower sample clamping plate fit, so that when sample clamping plate moves up and down not
It shifts.Therefore, the utility model is applied widely, high reliablity, is connected firmly.
4, wiring clamping plate is convex in a kind of electric system lightning protection ground material modularization measuring device of the utility model
Structure, the end of wiring clamping plate fit with left bridge arm, right bridge arm respectively, so that not occurring when wiring clamping plate moves up and down partially
It moves；Wiring clamping plate offers circular groove in the middle part of upper surface, adds circular groove, to match with the bottom of spiral anchorage bar
Close so that connected between each component it is firm；The number of groove be it is multiple, multiple grooves are uniformly arranged on the lower end surface of wiring clamping plate
On, groove uses semicircular structure, so that measurement lead comes into full contact with wiring clamping plate, multiple grooves is arranged, to be suitable for not
With the measurement lead of diameter.Therefore, the utility model is connected firmly, is high reliablity, applied widely.
5, spiral anchorage bar is T shape in a kind of electric system lightning protection ground material modularization measuring device of the utility model
Structure comprising screw rod and anchorage bar, the end of screw rod are connected with bulb, and screw rod passes through the perforation circle hole shape of anchorage bar
At that can move freely formula swingle, such design can realize the selection of different torques when rotated.Therefore, the utility model exists
The selection of different torques can be realized when assembly.
6, in the upper surface of lower bridge arm in a kind of electric system lightning protection ground material modularization measuring device of the utility model
On be sequentially placed modular sample clamping plate, measurement lead, wiring clamping plate back spin and turn the fixed each component of a spiral anchorage bar, placing
Grounding body is placed in cavity or the intermediate position of modular sample clamping plate while modular sample clamping plate, above-mentioned design
It is not only easy to operate, but also be connected firmly between each component.Therefore, the utility model is easy to operate, is connected firmly.
Detailed description of the invention
Fig. 1 is one of the embodiments of the present invention 1 electric system lightning protection ground material modularization measuring device
Structural schematic diagram.
Fig. 2 is one of the embodiments of the present invention 2 electric system lightning protection ground material modularization measuring device
Structural schematic diagram.
Fig. 3 is the structural schematic diagram of Fig. 1 or Fig. 2 split shed square frame.
Fig. 4 is the structural schematic diagram of upper bridge arm in Fig. 3.
Fig. 5 is the structural schematic diagram of right bridge arm in Fig. 3.
Fig. 6 is the structural schematic diagram of wiring clamping plate in Fig. 1 or Fig. 2.
Fig. 7 is the structural schematic diagram of modular sample clamping plate in Fig. 1 or Fig. 2.
Fig. 8 is the structural schematic diagram of spiral anchorage bar in Fig. 1 or Fig. 2.
In figure: square opening frame 1, left bridge arm 11, upper bridge arm 12, mounting groove 121,122, No. two screw holes 123 of No.1 screw hole,
Lower bridge arm 13, right bridge arm 14, through-hole 141, bolt rotary shaft 15, wiring clamping plate 2, groove 21, circular groove 22, modular sample
Clamping plate 3, upper sample clamping plate 31, lower sample clamping plate 32, upper through slot 33, lower through slot 34, cavity 35, spiral anchorage bar 4, spiral shell
Spinner handle 41, anchorage bar 42, perforation circular hole 43, screw thread 44, bulb 45, measurement lead 5, grounding body 6.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1 to Fig. 8, a kind of electric system lightning protection ground material modularization measuring device, including square opening frame 1,
Wiring clamping plate 2, modular sample clamping plate 3, spiral anchorage bar 4, the square opening frame 1 are C-shaped configuration comprising left bridge arm
11, the end of upper bridge arm 12, lower bridge arm 13, the left bridge arm 11 is connected with upper bridge arm 12, lower bridge arm 13 respectively, the wiring
Clamping plate 2, modular sample clamping plate 3 are successively set on from top to bottom on the upper surface of lower bridge arm 13, and the spiral anchorage bar 4 is worn
Wiring clamping plate 2 is resisted after crossing bridge arm 12, spiral anchorage bar 4 is connected with upper bridge arm 12, the lower end surface of the wiring clamping plate 2
On open up fluted 21, for arranging measurement lead 5, the middle part of the modular sample clamping plate 3 is offered through mould groove 21
The cavity 35 of block sample clamping plate 3, cavity 35 is for arranging grounding body 6.
The upper bridge arm 12 is hinged with right bridge arm 14, the right bridge arm 14 and upper bridge arm 12 far from one end of left bridge arm 11
Angle is more than or equal to 90 degree.
Mounting groove 121 is offered on the lower end surface of the upper bridge arm 12, is offered on upper bridge arm 12 through mounting groove 121
No.1 screw hole 122, No.1 screw hole 122 are matched with bolt rotary shaft 15, and one end of the right bridge arm 14 offers through-hole 141,
And the end is located in mounting groove 121, the bolt rotary shaft 15 is fixed after sequentially passing through No.1 screw hole 122, through-hole 141.
The sum of length and the half of height of modular sample clamping plate 3 of the right bridge arm 14 are equal to the length of left bridge arm 11
Degree.
The modular sample clamping plate 3 includes symmetrically arranged upper sample clamping plate 31 and lower sample clamping plate 32, the upper examination
Through slot 33 is offered in the middle part of 31 lower end surface of sample clamping plate, offers lower perforation in the middle part of lower 32 upper surface of sample clamping plate
Slot 34, lower through slot 34 form cavity 35 with upper through slot 33.
The upper through slot 33, lower through slot 34 cross section be triangle, the cross section of the cavity 35 is four sides
Shape.
The upper sample clamping plate 31, lower sample clamping plate 32 are convex structure, the end part of the upper sample clamping plate 31
It does not fit with left bridge arm 11, right bridge arm 14, one end and the left bridge arm 11 of the lower sample clamping plate 32 fit.
The wiring clamping plate 2 is convex structure, and the end of wiring clamping plate 2 is affixed with left bridge arm 11, right bridge arm 14 respectively
It closes, circular groove 22, the bottom matching of circular groove 22 and spiral anchorage bar 4 is offered in the middle part of 2 upper surface of wiring clamping plate
Close, the number of the groove 21 be it is multiple, multiple grooves 21 are uniformly arranged on the lower end surface of wiring clamping plate 2, and groove 21 is half
Circular configuration.
The spiral anchorage bar 4 is T-shaped structure comprising screw rod 41 and anchorage bar 42, the top of the anchorage bar 42
Portion offers perforation circular hole 43, and the outer peripheral surface of 42 lower part of anchorage bar is provided with screw thread 44, opens up in the middle part of screw thread 44 and upper bridge arm 12
No. two screw holes 123 match, the screw rod 41 passes through perforation circular hole 43, and screw rod 41 is moved along the axial of perforation circular hole 43
Dynamic, the end of screw rod 41 is connected with bulb 45.
A kind of application method of electric system lightning protection ground material modularization measuring device, the application method includes following
Step:
First modular sample clamping plate 3 is placed on the upper surface of lower bridge arm 13, while grounding body 6 is placed on cavity 35
Interior or modular sample clamping plate 3 intermediate position, then wiring clamping plate 2 is placed on the upper surface of modular sample clamping plate 3,
Measurement lead 5 is placed in groove 21 simultaneously, then rotary screw type anchorage bar 4 to the upper surface of wiring clamping plate 2, continues to twist
Tight spiral anchorage bar 4, until grounding body 6, measurement lead 5 are securely connect with square opening frame 1.
The principles of the present invention are described as follows:
For the precise measurement for solving the problems, such as existing earthing material resistivity, the design provides a kind of electric system lightning protection
Material module measuring device and its application method, the measuring device can increase considerably the contact surface of device and sample to be tested,
Reduce the contact resistance of device and sample, stable connection is reliable, is convenient for assembly and disassembly, has mass production value and answers
With.
The design is related to a kind of electricity of electric system lightning protection ground material, mechanics parameter measuring device, and application field is
Earthing material required clamping and fixing device when carrying out resistance parameter measurement in electric system lightning protection field is suitable for not
Metallic ground body, composite material grounding body with material, can meet cylinder, flat, planar, twisted wire shape and cylindrical cavity type
The material parameter of earthing material is tested.Distinguishingly, the design can also serve as a kind of sample fixation clamp tool, be suitable for power train
It unites the Mechanics Performance Testing of lightning protection ground material, meets the mechanics parameters measurement such as the tension of earthing material sample, bending resistance, antitorque.
In addition, the design is equally applicable to other classification conductive materials such as: cable, electric wire, conductive paper, conductive fabric, conductive filament, conduction
The resistivity measurement of the various hard and soft material such as glue, conductive coating, conductive powder.
The design is concatenated into micro resistance test equipment when measuring earthing material resistivity, collectively forms measurement circuit.
The device has the beneficial effect that when measuring the earthing material resistance of different shapes, due to resistance value be often milliohm even
Micro-ohm rank, the shift in position of earthing material sample and measuring circuit slightly will cause the huge deviation of measured value.The design
The resistance value that the measuring device is applicable to the earthing material sample of the arbitrary dimensions such as cylindrical, prismatic, plane is surveyed
There is amount modularized design, assembly and disassembly to facilitate design feature, which can significantly increase earthing material sample and external measurement
The connection reliability of circuit.
Square opening frame: (1) skeleton of the square opening frame as whole device plays the role of connecting each section.Opening
In four, the upper and lower, left and right bridge arm of square frame, right bridge arm is rotary type, and the rotary bridge arm and upper bridge arm pass through by interior six
The rotary shaft that corner bolt is constituted is connected, to realize the opening of square frame.Square frame using opening have the beneficial effect that when to
When test specimens size is larger, it can be clamped using opened type, avoid the problem that large dimension specimen can not clamp；When sample to be tested compared with
When long, which can clamp grounding body from any position.(2) the left and right two bridge arm section of square opening frame is consistent, right bridge
When arm is rotated by rotary shaft, be more than or equal to 90 degree with the angle of upper bridge arm, when right bridge arm toward square frame interior folding on earth
When, left and right two bridge arm is just parallel, which together constitutes wiring clamping plate and modular sample clamping plate
Movable rail, when sample to be tested is longer, which can clamp grounding body from any position.It should be noted that square opening frame
Right bridge arm length it is shorter than the length of left bridge arm, difference is the thickness of sample clamping plate, this design has the beneficial effect that a side
Face guarantees the free-open-close of right bridge arm, on the other hand guarantees still when measuring grounding body sample of the width more than square frame
The parallel of left and right bridge arm is enough kept, avoids the problem that right bridge arm can not close.(3) size selection of square opening frame: square frame
Bridge arm length be advisable with 10.0~30.0cm, 0.5~1.0cm of thickness is advisable, and actual size is with the maximum gauge of sample to be tested
10~15 times be used as reference value.(4) the material selection of square opening frame: square frame is only played a supporting role, not as reality
The conductive path of resistance measurement, therefore, it can metal material is used, such as steel, aluminum alloy materials, and can be using metal and non-
Metal material preparation, such as the preparation of plastics, resin, rubber nonmetallic materials.
Modular sample clamping plate: (1) modular sample clamping plate by upper and lower two same sizes upper and lower sample clamping plate structure
At.In order to fix cylindrical, cable shape and twist linear conductor, upper and lower two sample clamping plates have triangle in middle position
Through slot；When the fitting of upper and lower two clamping plates, the triangle through slot of upper and lower plywoods forms a complete quadrangle cavity,
Grounding body sample to be measured is placed among quadrangle cavity, which makes the easy slidings such as cylinder, twisted wire type
At least there are four " linear " contact surfaces between sample and upper and lower two sample clamping plates, thus realize the fixation of sample to be tested, and
The contact area of sample to be tested and clamping plate can be significantly increased.(2) upper and lower sample clamping plate is according to different earthing material specimen finish
Different specification size is selected, the component of modularization, random assembling formula is formed.(3) upper and lower sample clamping plate and square opening frame are matched
Close: upper and lower sample clamping plate shape is "convex" shaped, when the right bridge arm of square opening frame closes state, what left and right bridge arm was formed
Parallel orbit fits with the track of sample clamping plate sliding notch just, allows sample clamping plate upper and lower along left and right track
Movement is without deviating.(4) size selection of modular sample clamping plate: the length and width size of sample clamping plate is by square opening frame
Size determine that for clamping plate thickness generally in 10~20mm, the height on clamping plate through slot vertex is no more than the 2/3 of clamping plate thickness.(5)
The material of modular sample clamping plate selects: modular sample clamping plate is serially connected in and leads as the structural member being connected directly with grounding body
It, therefore, should be using the preparation of the metal materials such as steel with good conductivity, iron, copper, aluminium and alloy in electrical circuit.
Wiring clamping plate: (1) main function of wiring clamping plate is realize this measured material and measuring circuit connecting line reliable
Connection, connecting line is placed between wiring clamping plate and upper sample clamping plate, without using other connectors, it can be achieved that connecting line and folder
Quick, the secured connection of tool；Play the role of fixed spiral anchorage bar with round recessed grain in the top surface of wiring clamping plate；Wiring
The bottom surface of clamping plate has five semi-circular recesses that diameter is respectively 1mm, 2mm, 3mm, 4mm and 5mm, plays placement and fixed survey
Measure the effect of connecting line.(2) cooperation of wiring clamping plate and square opening frame: as upper and lower sample clamping plate, wiring clamping plate is same
It for "convex" shaped, can be moved along the left and right bridge arm of square opening frame, square opening frame is slided notch and connect by reserved track
Wireplint cooperation.(3) size selection of wiring clamping plate: the outer dimension of wiring clamping plate need to cooperate with square opening frame, and thickness is suitable
Select 6~10mm.(4) the material selection of wiring clamping plate: wiring clamping plate preferably selects steel, iron, copper, aluminium and conjunction with good conductivity
The preparation of the metal materials such as gold.
Spiral anchorage bar: (1) spiral anchorage bar shape is T-shaped, wherein the top screw rod both ends of anchorage bar
With ballhead, the two is connected by screw thread；The perforation circular hole formation that top screw rod passes through anchorage bar move freely formula, this sets
Meter can realize the selection of different torques when rotated；The shaft of spiral anchorage bar has screw thread, passes through the upper of square opening frame
Bridge arm screw hole is connect with square opening frame, and the bottom end of spiral anchorage bar is matched with the circular groove of wiring clamping plate upper end, is led to
Rotation top screw rod is crossed, wiring clamping plate, measurement lead, grounding body sample and sample clamping plate are successively compressed.(2) spiral tight
The size selection of solid rod: the height of spiral anchorage bar is consistent with the height of square opening frame, and the length of top screw rod is preferably selected
8~15cm is selected, meanwhile, master screw part may be selected in spiral anchorage bar, changes size flexibly to reduce manufacturing cost.(3) spiral shell
The material of rotating anchorage bar selects: the materials system such as the biggish steel of the suitable selection intensity of wiring clamping plate, alloy, glass reinforced plastic or synthetic resin
It is standby.
The design provides a kind of general application method of electric system lightning protection ground material modularization measuring device simultaneously,
Grounding body sample to be measured can be the sizes specifications such as cylinder, square, flat, twisted wire shape.With common cylindrical ground body
For resistivity measurement, application method is as follows: (1) selection and the immediate modular sample clamping plate of sample to be tested diameter, closure
Spiral anchorage bar is fallen back on highest point by the right bridge arm of square opening frame；(2) along left and right bridge arm, it is sequentially placed into upper and lower examination
Sample clamping plate, while sample to be tested is placed on the empty cavity position between sample clamping plate；(3) draw along the placement of left and right bridge arm track
Wireplint, while by measuring circuit lead placement in the semi-circular recesses between lead clamping plate and upper sample clamping plate, lead has been answered
Full packing semi-circular recesses can be placed in same cavity in other several semi-circular recesses if you need to access other measurement leads；
(4) rotary screw type anchorage bar continues to tighten anchorage bar to the circular groove of lead clamping plate, until grounding body, measurement lead with
Measuring device securely connects.
Installation diagram when Fig. 1 is cylindrical ground material actual measurement, is sequentially placed lower sample clamping plate, cylindrical ground
Body, upper sample clamping plate, bare copper wire measure lead and wiring clamping plate, the screw rod at the top of rotational fastener bar, so that each section is filled
Tap touching, to realize securely connection.
Installation diagram when Fig. 2 is flat grounding material actual measurement, in the figure, due to the width of flat grounding body
It is larger, it is being sequentially placed lower sample clamping plate, flat grounding body, upper sample clamping plate, bare copper wire measurement lead and wiring clamping plate
Later, the fixed each component of the screw rod at the top of rotational fastener bar, the right bridge arm of square opening frame can be opened, avoid non-at this time
The problem of specification earthing material is unable to measure.
More set sample clamping plates can be equipped with using measuring device described in the design, advised according to earthing material size selection difference
The earthing material sample clamping plate of lattice realizes a variety of earthing material tests, and usability is strong, and enlarged contact areas is connected firmly, group
Joint efficiency height is unloaded in assembly and disassembly, and measurement result is not drifted about, and has die sinking batch production value.
Embodiment 1:
Referring to Fig. 1, Fig. 3, Fig. 6, Fig. 7, a kind of electric system lightning protection ground material modularization measuring device, including opening side
Shape frame 1, wiring clamping plate 2, modular sample clamping plate 3, spiral anchorage bar 4, the square opening frame 1 are C-shaped configuration comprising
The end of left bridge arm 11, upper bridge arm 12, lower bridge arm 13, the left bridge arm 11 is connected with upper bridge arm 12, lower bridge arm 13 respectively, institute
State wiring clamping plate 2, modular sample clamping plate 3 is successively set on from top to bottom on the upper surface of lower bridge arm 13, described spiral tight
Solid rod 4 resists wiring clamping plate 2 after passing through upper bridge arm 12, and spiral anchorage bar 4 is connected with upper bridge arm 12, the wiring clamping plate 2
Lower end surface on open up fluted 21, for arranging measurement lead 5, the middle part of the modular sample clamping plate 3 opens up groove 21
There is the cavity 35 through modular sample clamping plate 3, cavity 35 is for arranging grounding body 6.
Referring to Fig. 1, Fig. 3, Fig. 4, Fig. 5, the upper bridge arm 12 is hinged with right bridge arm 14 far from one end of left bridge arm 11, described
The angle of right bridge arm 14 and upper bridge arm 12 is more than or equal to 90 degree；Mounting groove 121 is offered on the lower end surface of the upper bridge arm 12, on
The No.1 screw hole 122 through mounting groove 121 is offered on bridge arm 12, No.1 screw hole 122 is matched with bolt rotary shaft 15, described
One end of right bridge arm 14 offers through-hole 141, and the end is located in mounting groove 121, and the bolt rotary shaft 15 sequentially passes through one
It is fixed after number screw hole 122, through-hole 141；The sum of length of the right bridge arm 14 and the half of height of modular sample clamping plate 3 etc.
In the length of left bridge arm 11.
Referring to Fig. 1, Fig. 3, Fig. 6, the wiring clamping plate 2 be convex structure, the end of wiring clamping plate 2 respectively with left bridge arm
11, right bridge arm 14 fits, and offers circular groove 22 in the middle part of 2 upper surface of wiring clamping plate, circular groove 22 and spiral tight
The bottom of solid rod 4 matches, the number of the groove 21 be it is multiple, multiple grooves 21 are uniformly arranged on the lower end of wiring clamping plate 2
On face, groove 21 is semicircular structure.
Referring to Fig. 1, Fig. 3, Fig. 7, the modular sample clamping plate 3 includes symmetrically arranged upper sample clamping plate 31 and lower sample
Clamping plate 32 offers through slot 33 in the middle part of upper 31 lower end surface of sample clamping plate, lower 32 upper surface of sample clamping plate
Middle part offers lower through slot 34, and lower through slot 34 forms cavity 35 with upper through slot 33；The upper through slot 33, lower through slot
34 cross section is triangle, and the cross section of the cavity 35 is quadrangle；The upper sample clamping plate 31, lower sample clamping plate 32
It is convex structure, the end of the upper sample clamping plate 31 fits with left bridge arm 11, right bridge arm 14 respectively, the lower sample
One end of clamping plate 32 fits with left bridge arm 11.
Referring to Fig. 1, Fig. 4, Fig. 8, the spiral anchorage bar 4 is T-shaped structure comprising screw rod 41 and anchorage bar 42,
The top of the anchorage bar 42 offers perforation circular hole 43, and the outer peripheral surface of 42 lower part of anchorage bar is provided with screw thread 44, screw thread 44 with
No. two screw holes 123 opened up in the middle part of upper bridge arm 12 match, and the screw rod 41 passes through perforation circular hole 43, and screw rod 41 is along passing through
The axial movement of logical circular hole 43, the end of screw rod 41 is connected with bulb 45.
According to the above scheme, referring to Fig. 1, Fig. 3, Fig. 6, Fig. 7, a kind of electric system lightning protection ground material modularization measuring device
Application method, modular sample clamping plate 3 the following steps are included: is first placed on the upper surface of lower bridge arm 13 by the application method
On, while being cylindrical structure by grounding body 6(grounding body 6) be placed in cavity 35, then wiring clamping plate 2 is placed on modularization
On the upper surface of sample clamping plate 3, while lead 5(bare copper wire will be measured) it is placed in groove 21, then rotary screw type fastens
Bar 4 continues to tighten spiral anchorage bar 4, until grounding body 6, measurement lead 5 and square opening to the upper surface of wiring clamping plate 2
Frame 1 securely connects.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
Referring to fig. 2, Fig. 3, Fig. 6, Fig. 7, a kind of application method of electric system lightning protection ground material modularization measuring device,
Modular sample clamping plate 3 the following steps are included: be first placed on the upper surface of lower bridge arm 13, while will connect by the application method
Ground body 6(grounding body 6 is flat structure) it is placed on the intermediate position of modular sample clamping plate 3, then wiring clamping plate 2 is placed on
On the upper surface of modular sample clamping plate 3, while lead 5(bare copper wire will be measured) it is placed in groove 21, then rotate spiral
Formula anchorage bar 4 continues to tighten spiral anchorage bar 4, up to grounding body 6, measurement lead 5 and open to the upper surface of wiring clamping plate 2
Mouth square frame 1 securely connects.
Claims (9)
1. a kind of electric system lightning protection ground material modularization measuring device, which is characterized in that including square opening frame (1), connect
Wireplint (2), modular sample clamping plate (3), spiral anchorage bar (4), the square opening frame (1) are C-shaped configuration comprising
Left bridge arm (11), upper bridge arm (12), lower bridge arm (13), the end of the left bridge arm (11) respectively with upper bridge arm (12), lower bridge arm
(13) it is connected, the wiring clamping plate (2), modular sample clamping plate (3) are successively set on the upper of lower bridge arm (13) from top to bottom
On end face, the spiral anchorage bar (4) pass through upper bridge arm (12) after resist wiring clamping plate (2), spiral anchorage bar (4) with it is upper
Bridge arm (12) is connected, and opens up fluted (21) on the lower end surface of the wiring clamping plate (2), and groove (21) is for arranging that measurement is drawn
Line (5) offers the cavity (35) through modular sample clamping plate (3), cavity in the middle part of the modular sample clamping plate (3)
(35) for arranging grounding body (6).
2. a kind of electric system lightning protection ground material modularization measuring device according to claim 1, it is characterised in that: institute
It states bridge arm (12) to be hinged with right bridge arm (14) far from the one end of left bridge arm (11), the right bridge arm (14) and upper bridge arm (12)
Angle is more than or equal to 90 degree.
3. a kind of electric system lightning protection ground material modularization measuring device according to claim 2, it is characterised in that: institute
It states and is offered on the lower end surface of bridge arm (12) mounting groove (121), one through mounting groove (121) is offered on upper bridge arm (12)
Number screw hole (122), No.1 screw hole (122) are matched with bolt rotary shaft (15), and one end of the right bridge arm (14) offers logical
Hole (141), and the end is located in mounting groove (121), the bolt rotary shaft (15) sequentially passes through No.1 screw hole (122), through-hole
(141) it fixes afterwards.
4. a kind of electric system lightning protection ground material modularization measuring device according to claim 2, it is characterised in that: institute
State the length that the sum of the length of right bridge arm (14) and the half of height of modular sample clamping plate (3) are equal to left bridge arm (11).
5. a kind of electric system lightning protection ground material modularization measuring device according to any one of claim 2-4,
It is characterized by: the modular sample clamping plate (3) includes symmetrically arranged upper sample clamping plate (31) and lower sample clamping plate (32),
It is offered through slot (33) in the middle part of upper sample clamping plate (31) lower end surface, in lower sample clamping plate (32) upper surface
Portion offers lower through slot (34), and lower through slot (34) and upper through slot (33) form cavity (35).
6. a kind of electric system lightning protection ground material modularization measuring device according to claim 5, it is characterised in that: institute
State through slot (33), the cross section of lower through slot (34) is triangle, the cross section of the cavity (35) is quadrangle.
7. a kind of electric system lightning protection ground material modularization measuring device according to claim 6, it is characterised in that: institute
State sample clamping plate (31), lower sample clamping plate (32) is convex structure, the end of the upper sample clamping plate (31) respectively with
Left bridge arm (11), right bridge arm (14) fit, and one end of the lower sample clamping plate (32) fits with left bridge arm (11).
8. a kind of electric system lightning protection ground material modularization measuring device according to any one of claim 2-4,
It is characterized by: the wiring clamping plate (2) be convex structure, the end of wiring clamping plate (2) respectively with left bridge arm (11), right bridge
Arm (14) fits, and offers circular groove (22) in the middle part of wiring clamping plate (2) upper surface, circular groove (22) and spiral tight
The bottom of solid rod (4) matches, the number of the groove (21) be it is multiple, multiple grooves (21) are uniformly arranged on wiring clamping plate
(2) on lower end surface, groove (21) is semicircular structure.
9. a kind of electric system lightning protection ground material modularization measuring device described in any one of -4 according to claim 1,
It is characterized by: the spiral anchorage bar (4) is T-shaped structure comprising screw rod (41) and anchorage bar (42), the fastening
Perforation circular hole (43) is offered at the top of bar (42), the outer peripheral surface of anchorage bar (42) lower part is provided with screw thread (44), screw thread (44)
It is matched with No. two screw holes (123) opened up in the middle part of upper bridge arm (12), the screw rod (41) passes through perforation circular hole (43), and spiral shell
For spinner handle (41) along the axial movement of perforation circular hole (43), the end of screw rod (41) is connected with bulb (45).
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| CN201820600043.7U CN208224149U (en) | 2018-04-25 | 2018-04-25 | A kind of electric system lightning protection ground material modularization measuring device |
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| CN201820600043.7U CN208224149U (en) | 2018-04-25 | 2018-04-25 | A kind of electric system lightning protection ground material modularization measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918592A (en) * | 2018-04-25 | 2018-11-30 | 国网湖北省电力有限公司经济技术研究院 | A kind of electric system lightning protection ground material modularization measuring device and application method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918592A (en) * | 2018-04-25 | 2018-11-30 | 国网湖北省电力有限公司经济技术研究院 | A kind of electric system lightning protection ground material modularization measuring device and application method |
| CN108918592B (en) * | 2018-04-25 | 2023-10-03 | 国网湖北省电力有限公司经济技术研究院 | Modular measurement device for lightning-proof grounding material of power system and application method |
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