CN208334465U - Power plant's electric signal multiple amplifier - Google Patents
Power plant's electric signal multiple amplifier Download PDFInfo
- Publication number
- CN208334465U CN208334465U CN201820479232.3U CN201820479232U CN208334465U CN 208334465 U CN208334465 U CN 208334465U CN 201820479232 U CN201820479232 U CN 201820479232U CN 208334465 U CN208334465 U CN 208334465U
- Authority
- CN
- China
- Prior art keywords
- conducting wire
- support frame
- hand handle
- pedestal
- wire
- 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.)
- Expired - Fee Related
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000003321 amplification Effects 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000012946 outsourcing Methods 0.000 claims abstract description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 33
- 229910052802 copper Inorganic materials 0.000 description 22
- 239000010949 copper Substances 0.000 description 22
- 239000004020 conductor Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 14
- 208000027418 Wounds and injury Diseases 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000004804 winding Methods 0.000 description 10
- 206010041662 Splinter Diseases 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 241001416181 Axis axis Species 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a kind of power plant electric signal multiple amplifiers, including pedestal, it is installed with spaced support frame annular in shape on pedestal, is wound with the conducting wire of two circles or the two above outsourcing insulations of circle between support frame in the same direction, conducting wire both ends have been electrically connected wire clamp.Support frame is equipped with the groove for making the conducting wire between adjacent supports frame be gathered into harness.It can not only play the role of preventing conducting wire from slipping from support frame, but also can will be gathered into harness by the coil of support frame, the pincerlike electric current folder that can be convenient phase meter in this way carries out collet, more convenient operation.Advantage be can subsidiary secondary circuit Smaller load current values, amplification factor can be automatically selected according to gear, simple and quick, easy to carry, dustproof and rainproof is particularly suitable for power plant electrician and uses.
Description
Technical field
The utility model relates to a kind of power plant electric signal multiple amplifiers.
Background technique
Power plant in actual operation, needs often to detect the various electrical parameters in secondary circuit, to run for power plant
State provides reference data.Bus differential protection relies primarily on current transformer (including the current transformer in current loop) secondary singal work
To protect judgment basis, thus current transformer can correct progress of disease primary information, can directly affect bus differential protection positive positive motion
Make.When proximal end external fault occurs for bus, faulty line CT may be saturated, cannot correct progress of disease primary current, secondary current
It is distorted defect, 0 is possibly close to when serious.Biggish difference stream will occur in differential protection at this time, and differential protection criterion will be anti-
It reflects for internal fault, the possible malfunction of bus differential protection.Protection cannot be determined by the size of load current in the no-load voltage ratio of CT determines
The method of grade electric current no-load voltage ratio, and must be using the maximum short circuit current and mutual inductor institute energy most possibly occurred in protection installation place
The load capacity that undertakes and the method for saturation multiple determine.So State Grid Corporation of China is in 220kV substation secondary drawing allusion quotation
35kV bus differential protection is fixed as 1500/5 with CT no-load voltage ratio in type design, it may be to after the no-load voltage ratio for increasing protected level CT
Protective relaying device, which works normally, generates some adverse effects, protective relaying device operation monitoring is mainly detrimental to, so working as
Protective device is unable to measure accurate two sub-value when load current is too small, if measured using means such as electronics amplifications, is bound to
Non- load waveform is amplified together by calculation formula simultaneously, making the zero of protective device to float will affect the accuracy of measurement.Due to nothing
Method actually measures CT secondary circuit and bus differential protection with load current, so bus differential protection must not put into operation, it is right
The safe operation of power grid generates certain influence.
Utility model content
The technical problem to be solved by the present invention is to provide one kind being capable of subsidiary secondary circuit Smaller load electric current number
Value, can automatically select amplification factor according to gear, and simple and quick, easy to carry, dustproof and rainproof is particularly suitable for power plant's electricity
The power plant that work uses electric signal multiple amplifier.
In order to solve the above technical problems, this power plant being structurally characterized in that with electric signal multiple amplifier: including shell, shell
It is fixed there are six spaced support frame annular in shape on pedestal including regular hexagon tabular pedestal, between support frame in the same direction
It is wound with the conducting wire of two circles or the two above outsourcing insulations of circle, conducting wire both ends have been electrically connected wire clamp, and shell further includes oral area
Downward fixing buckle covers on the cover cylinder on pedestal, and cover cylinder includes that the upper and lower corresponding upper cover being fixed together and bobbin, bobbin are equipped with
The group of windows extended up and down correspondingly with support frame, group of windows include at least one window, and the middle of the base, which is equipped with, to be led
The fixation device that line tenses, upper lid are equipped with the wire guide for extending out the latter end of conducting wire.
This power plant is with electric signal multiple amplifier being capable of subsidiary two to realize by incuding enlarged structure around ring type
Minor loop Smaller load current values can automatically select amplification factor according to gear, simple and quick, easy to carry, dust-proof
Rain-proof is particularly suitable for what power plant electrician used.
It mainly include the conducting wire of the support frame being installed on pedestal and winding on the support frame around ring type induction enlarged structure.
Wherein, pedestal is regular hexagon slab construction, and the quantity of support frame as described above is six, and each support frame is annularly mounted on pedestal
On, and setting is spaced apart from each other between each support frame, thus support construction is provided for conducting wire pitch of the laps.Conducting wire according to it is identical around
To successively passing through each support frame, as along if pointer direction all around to being all clockwise direction, in this way, conducting wire with regard to it is simultaneously wound
On all support frames.Direction when guiding winding is not still identical, and is fixed, that is to say, that if it is up time
The winding of needle direction is just wound always clockwise, is just counterclockwise wound always if it is counter clockwise direction winding, can only
There is a kind of winding direction.Conducting wire is formed coil or loop after being wound on support frame, the quantity of coil is at least two circles,
Generally it is wound in 10 circles or 20 circles.Because being provided with insulating layer outside conducting wire, it is between the coil outer layer that is in contact
Insulated from each other.In this way, each coil just constitutes a separate conductive circuit or conductive coil, each galvanic circle or conductor wire
Circle is concatenation relationship.According to electromagnetic theory it is found that the quantity of conductive coil is directly proportional to the magnetic field strength that it is generated, therefore this electricity
Station-service electric signal multiple amplifier has the function of accurately amplifying electromagnetic signal.In this power plant in electric signal multiple amplifier,
Conducting wire both ends have been electrically connected wire clamp, to facilitate external connection to use.In this patent, shell further includes that oral area is fixed downwards
Button covers on the cover cylinder on pedestal, and cover cylinder includes the upper and lower corresponding upper cover being fixed together and bobbin.Cover cylinder main function first is that
Protect conducting wire and support frame, main function second is that providing installation supporting role for other accessories.In this patent, bobbin
Be equipped with the one-to-one window of support frame, tester can by window clamp coil measure, it is very convenient.Because
The quantity of support frame is six, and therefore the loop for being wound with different groups again on six support frames has on each support frame
Several windows, number of conductors is different in the corresponding coil of each window, and current amplification factor is not also identical, provides for tester
More more options.The middle of the base is equipped with the fixation device of wire tensioning, it is ensured that and conducting wire is reliably wound on the support frame,
It ensure that functional reliability.Upper lid is equipped with the wire guide for extending out the latter end of conducting wire, can will be led by the wire guide
Line latter end pulls out shell, thus can connect farther away electric signal terminal, very convenient.In this patent, six support frames
Six corners of regular hexagon pedestal are separately positioned on, the purpose being arranged in this way is exactly to make window that regular hexagon cover cylinder be arranged in
At rib, such window can sufficiently expose conducting wire, survey for test and provide bigger operating space, and tester is allow easily will
Test clip insertion window is simultaneously clamped on conducting wire, helps to improve work convenience and working efficiency.
When using this power plant electric signal multiple amplifier, the coil tandem for being made up of conducting wire wire clamp is in secondary returning
Then the pincerlike electric current of phase meter need to only be pressed from both sides collet on the coil that conducting wire is constituted, so that it may measure secondary circuit electricity by Lu Zhong
Stream can also calculate primary circuit electric current, operate very simple.
As an improvement, be equipped with idler wheel on pedestal, be installed on upper lid two extend straight up wire clamp can be made to clamp
Auxiliary rod, auxiliary rod top, which is equipped with, can detain the conical overhead guard of cover upper cover, and fixed on overhead guard there are two a pair of with auxiliary rod one
The overhead guard cylinder of cooperation should be inserted.
In this patent, after idler wheel being installed on pedestal, it can be convenient and move this patent at the scene, it is very convenient.At this
In patent, be installed with two auxiliary rods extended straight up on upper lid, the effect of auxiliary rod first is that providing one for wire clamp
Holding carrier avoids wire clamp from shaking in this patent moving process, ensure that the operational reliability of each component.This patent further includes
One can detain the conical overhead guard of cover upper cover, dustproof and rainproof function when guaranteeing idle.On overhead guard it is fixed there are two with auxiliary
Bar corresponds the overhead guard cylinder of inserting cooperation, therefore the two of the effect of auxiliary rod are exactly to insert to cooperate with overhead guard, are provided for overhead guard
Carrier is installed, property easy for installation is improved.
As an improvement, six side walls of shell are coated with red, orange, yellow, green, blue, purple six chromatic graph layer respectively.
As a further improvement, red, orange, yellow, green, blue, purple six putting in order for chromatic graph layer and passing for window amplification factor
It is consistent to subtract sequence.
After red, orange, yellow, green, blue, purple six chromatic graph layer is arranged, because the arrangement of red, orange, yellow, green, blue, purple six chromatic graph layer is suitable
Sequence is consistent with the sequence of successively decreasing of window amplification factor, therefore user can be quickly found out required times magnification according to color
The corresponding window of number, it is very convenient.
In conclusion using this structure power plant with electric signal multiple amplifier can subsidiary secondary circuit it is small negative
Charged current numerical value, can automatically select amplification factor according to gear, and simple and quick, easy to carry, dustproof and rainproof is especially suitable
Power plant electrician is closed to use.
Detailed description of the invention
The utility model is described in further detail in conjunction with attached drawing:
Fig. 1 is the structural schematic diagram of the utility model；
The structural schematic diagram of the utility model when Fig. 2 is in working condition；
The structural schematic diagram of the utility model when Fig. 3 is idle state；
Fig. 4 is the schematic diagram of internal structure of the utility model；
Fig. 5 is the structural schematic diagram of fixed device；
Fig. 6 is the fit structure schematic diagram of fast pulley and silica gel piece；
Fig. 7 is the structural schematic diagram of recyclable device；
Fig. 8 is the structural schematic diagram of support frame；
The fit structure schematic diagram of locking device and trigger device when Fig. 9 is in working condition；
Figure 10 is the fit structure schematic diagram of locking device and trigger device when hand handle is swung up about 45 degree in Fig. 9；
Figure 11 is structural schematic diagram when 90 degree of locking device unlocks of pendulum and trigger device are triggered in hand handle；
Figure 12 is that 90 degree of locking devices of pendulum unlock the structural schematic diagram after being triggered with trigger device in hand handle.
Specific embodiment
As shown in Figure 1, power plant electric signal multiple amplifier includes shell 0, shell includes regular hexagon tabular bottom
Seat 1, it is fixed there are six spaced support frame 2 annular in shape on pedestal, be wound in the same direction between support frame two circles or two circles with
The conducting wire 3 of upper outsourcing insulation, conducting wire both ends have been electrically connected wire clamp 4, and shell further includes that the downward fixing buckle of oral area covers on bottom
Cover cylinder 7 on seat, cover cylinder include the upper and lower corresponding upper cover 8 being fixed together and bobbin 9, and bobbin is equipped with a pair of with support frame one
The group of windows extended up and down answered, group of windows include at least one window 10, and the middle of the base is equipped with the fixation of wire tensioning
Device 11, upper lid are equipped with the wire guide 13 for extending out the latter end 12 of conducting wire 3.This power plant is with electric signal multiple amplifier master
It to include the conducting wire of the support frame being installed on pedestal and winding on the support frame.Wherein, pedestal is regular hexagon slab construction,
The quantity of support frame as described above is six, and each support frame is annularly mounted on the base, and setting is spaced apart from each other between each support frame,
Thus support construction is provided for conducting wire pitch of the laps.Conducting wire is according to identical around to successively by each support frame, such as suitable pointer side
To then all around to be all clockwise, in this way, conducting wire is with regard to simultaneously wound on all support frames.Side when guiding winding
It to still not identical, and is fixed, that is to say, that just twined clockwise always if it is clockwise direction winding
Around if it is counter clockwise direction winding, just counter clockwise direction is wound always, can only there is a kind of winding direction.Conducting wire is wound into support
Coil or loop are formed after on frame, the quantity of coil is at least two circles, is generally wound in 10 circles or 20 circles.Because of conducting wire
Outside is provided with insulating layer, therefore is insulated from each other between the coil outer layer being in contact.In this way, each coil is just constituted
One separate conductive circuit or conductive coil, each galvanic circle or conductive coil are concatenation relationship.According to electromagnetic theory it is found that
The quantity of conductive coil is directly proportional to the magnetic field strength that it is generated, therefore this power plant has with electric signal multiple amplifier and accurately puts
The effect of big electromagnetic signal.In this power plant in electric signal multiple amplifier, conducting wire both ends have been electrically connected wire clamp, with convenient
External connection uses.In this patent, shell further includes the cover cylinder that the downward fixing buckle of oral area covers on pedestal, and cover cylinder includes up and down
The corresponding upper cover being fixed together and bobbin.Cover cylinder main function first is that protection conducting wire and support frame, main function second is that
Installation supporting role is provided for other accessories.In this patent, bobbin is equipped with and the one-to-one window of support frame, survey
Examination person can clamp coil by window and measure, very convenient.Because the quantity of support frame is six, and six supports
Different groups of loop is wound on frame again, therefore, there are several windows on each support frame, in the corresponding coil of each window
Number of conductors is different, and current amplification factor is not also identical, provides more more options for tester.The middle of the base is equipped with conducting wire
The fixation device of tension, it is ensured that conducting wire is reliably wound on the support frame, ensure that functional reliability.Upper lid, which is equipped with, to be made to lead
The wire guide that the latter end of line extends out, by the wire guide can by conducting wire latter end pull out shell, thus can connect compared with
Remote electric signal terminal, it is very convenient.In this patent, six support frames are separately positioned on six angles of regular hexagon pedestal
Portion, the purpose being arranged in this way are exactly that window is arranged at the rib of regular hexagon cover cylinder, and such window can sufficiently expose conducting wire,
It is surveyed for test and bigger operating space is provided, allow tester that test clip is easily inserted into window and be clamped on conducting wire,
Help to improve work convenience and working efficiency.
When using this power plant electric signal multiple amplifier, the coil tandem for being made up of conducting wire wire clamp is in secondary returning
Then the pincerlike electric current of phase meter need to only be pressed from both sides collet on the coil that conducting wire is constituted, so that it may measure secondary circuit electricity by Lu Zhong
Stream can also calculate primary circuit electric current, operate very simple.
In this patent, support frame as described above includes the upper prop 01 and lower prop 02 being coaxially disposed up and down, and upper prop lower end is installed with
Horizontal upper connecting rod 03, upper connecting rod both ends are installed with the lower inserting column 04 being arranged straight down, lower prop upper end be installed with it is horizontal under
Connecting rod 05, lower link both ends are equipped with corresponding up and down with lower inserting column and can insert the upper jack 06 of cooperation, further include being arranged right
Several thick bars 07 and thin bar 08 between inserting column and upper jack should be descended, the upper end of thick bar and thin bar, which is equipped with to insert with lower inserting column, match
09 lower end of internal plug seat of conjunction is equipped with the interior inserting column 010 with the inserting cooperation of upper jack, any corresponding lower inserting column and upper jack up and down
Between formed conducting wire made to collect bundles of several grooves 011, the top of each groove at least insert at least slotting in the middle part of one thick bar
It fills a thin bar lower part and at least inserts a thick bar, the quantity of the window and position and groove one-to-one correspondence.In this patent,
Support frame is mainly made of six parts, i.e. upper prop, lower prop, upper connecting rod, lower link, thick bar and thin bar, wherein on upper prop and lower prop
Lower coaxial arrangement, upper prop and lower prop are the main components of support frame and cage connection.Upper prop lower end is installed with upper connecting rod, upper connecting rod
Horizontally disposed, upper connecting rod both ends are installed with a lower inserting column extended straight down respectively.Similar, lower prop upper end is fixed
There is lower link, lower link is arranged in parallel with upper connecting rod.Lower link both ends be equipped with opening upwards setting upper jack, upper jack with
Lower inserting column is correspondingly arranged up and down and the completely the same energy inserting of the two size is combined together.Support column further includes being arranged under correspondence
The quantity of thick bar and thin bar between inserting column and upper jack, thick bar and thin bar is several.The upper end of thick bar and thin bar is designed with energy
With the internal plug seat of lower inserting column inserting cooperation, the lower end of thick bar and thin bar is designed with the interior inserting column with the inserting cooperation of upper jack.Thick bar
Be with the structure of thin bar it is similar, difference place both is that thickness is different.Therefore, it is any up and down corresponding lower inserting column and it is upper insert
Combining to be formed by thick bar and thin bar between hole makes conducting wire collect bundles of several grooves, and the top of each groove at least inserts one
Thick bar, the middle part of each groove at least insert a thin bar, and the lower part of each groove at least inserts a thick bar.Groove is exactly to lead
Line collects place, that is, the place of coil.In this patent, the quantity of the window and position are all corresponded with groove
Setting, therefore it is capable of clamping coil as long as testing clamp is inserted into window, it operates very simple.
In the present embodiment, support frame is bilateral symmetry.Bilateral symmetry is set by support frame, is exactly made
The groove that two column between connecting rod and lower link are made of thick bar and thin bar is completely the same, in this way between two column grooves in coil
Number of conductors it is fixed, therefore testing clamp need to only be trusted to insertion window clamping in measurement, be not in because
The different phenomenon of numerical value is measured for claming angle or direction or position difference, ensure that measurement accuracy and use reliability.
In this patent, the quantity of six support frame further grooves is followed successively by a pair of, two pairs, three pairs, four pairs, five pairs, six pairs.
Because can make to be allocated between different grooves of the conducting wire between adjacent supports frame in wound around coil, by six support frames
The quantity of further groove be followed successively by it is a pair of, two pairs, three pairs, four pairs, five pairs, after six pairs, a support frame just only meeting for only a pair of of groove
A coil is generated, measuring and amplifying multiple at this time is maximum, is exactly 100 times if it is 100 circle conducting wire amplification factors.Likewise,
If having two pair of a groove in a support frame, in production, so that it may the number of conductors of two grooves is allocated, once
It is assigned, the number of lead wires in two pair of a groove is fixed, and amplification factor also just secures.If two pair of a groove is enclosed to 100
Conducting wire carries out four or six points, and loop number is exactly 40 circles and 60 circles, and amplification factor is exactly 40 times and 60 times.It can certainly carry out three
Seven points or sixteen points, amplification factor be respectively 30 times to 70 times and 20 times to 80 times.Have in support frame three pairs, four pairs, five pairs or
Distribution when six pairs of grooves is similar to the above, and details are not described herein.
As an improvement, being equipped with the recyclable device for automatically retracting latter end in shell on pedestal, the recyclable device includes
The bracket 14 of insulation is equipped with the copper shaft 15 that can be horizontally rotated on bracket, and copper shaft one end is coaxially installed with copper wire wheel 16, institute
It states that latter end is wrapped on copper wire wheel and latter end inner end is electrically connected by copper wire wheel and copper shaft, passes through fixed spiral shell on bracket
Flexible pressing is fixedly mounted in the copper splinter 18 of copper shaft other end periphery in bolt 17, and copper splinter passes through fixing bolt and conducting wire pressure
It tightly and is electrically connected, copper shaft middle section is set with torsional spring 19, and one end of torsional spring is fixedly connected with bracket, the torsional spring other end and copper
The wheel hub of line wheel is fixedly connected.In this patent, a recyclable device is installed, the main function of the recyclable device is on pedestal
Automatically retract conducting wire latter end in shell.The recyclable device mainly includes a pair of brackets, and bracket is insulation.Between two stands
It is rotatably equipped with the copper shaft that can be horizontally rotated, copper shaft left end is coaxially installed with a copper wire wheel, and copper wire wheel can be with copper
Shaft rotates synchronously and the two is electrically connected.The conducting wire latter end is wrapped on copper wire wheel and latter end inner end passes through copper wire wheel
It is electrically connected with copper shaft, end outer end extends to shell exterior by wire guide.It is fixed on bracket by fixing bolt
One copper splinter is installed, copper splinter the other end elasticity is pressed in copper shaft right end periphery.Therefore, when copper shaft rotates, copper
Shaft also keeps electrical connection with copper splinter.Copper splinter also passes through fixing bolt and compresses and be electrically connected with conducting wire, this
Sample conducting wire just passes through copper splinter, copper shaft and copper wire wheel and latter end is electrically connected.In this patent, copper shaft middle section is set with
There is a torsional spring, one end of torsional spring is fixedly connected with bracket, and the torsional spring other end is fixedly connected with the adjacent hubs of copper wire wheel.Work as needs
When test, conducting wire latter end is pulled out to realize being electrically connected for conducting wire and external wiring terminal, at this time due to the drawing of latter end
Effect, copper wire wheel can be rotated forward to discharge more latter ends, while torsional spring agglomeration elasticity potential energy.Due to wire clamp pair of wire connection terminals
Clamping action, copper wire wheel and torsional spring can be always maintained at unwrapping wire state.After being completed, since wire clamp loses connecting terminal
Positioning action, torsional spring start to recycle latter end, and when the release of torsional spring elastic potential energy finishes, latter end is just all withdrawn.
In the present embodiment, handle 20 is installed on upper lid, is also equipped on upper lid and latter end is carried out by handle control
The locking device of locking；The handle includes n shape hand handle 21, further includes two hand handle blocks being installed in fraising 23 on lid
22, hand handle both ends are coaxially installed with the hand handle axis 24 hingedly cooperated with corresponding hand handle block；The locking device includes being installed in
Cover the c-shape locating cover 25 in cross section, the parallel-plate disposed in parallel 26 of wire guide two sides is arranged in locating cover, further include by
The corresponding positioning plate 27 being fixed together of the adjacent edge of a pair of two parallel-plates, hand handle shaft end portion passes through adjacent parallel-plate and prolongs
It reaches in locating cover, the latter end is between hand handle axis and positioning plate, half of periphery wall of the hand handle axis in locating cover
On be fixedly installed with the cam 28 being made of elastic film, position of the cam on hand handle axis can make hand handle swing to the left with
Latter end elasticity is pressed the cam when that hand handle can also be made to swing to vertical upper cover on positioning plate and completely disengaged by cam when upper cover is concordant
Latter end, be installed on hand handle block make hand handle can only side oscillation to the left limited block 29.In this patent, handle is installed on upper lid
Hand can hold on this patent by handle, more convenient when needing movement or carrying.The handle includes a hand handle, hand
In the setting of n shape.Handle further includes two hand handle blocks being installed on lid, and hand handle block is equipped with fraising.Hand handle both ends are coaxial
It is installed with one section of hand handle axis, hand handle axis is inserted with the fraising of corresponding hand handle block to be cooperated, and the hinge of hand handle and upper cover is thereby realized
Connect cooperation., can be by hand handle righting when carrying, when work, can put down hand handle to vacate more working spaces.In this patent
In, a locking device is also equipped on upper lid, the main function of locking device is locked to latter end, prevents latter end in weight
Power effect is lower to slide into shell.What the locking of this locking device was controlled with unlock by hand handle.When control hand handle by vertical state to the left
When pendulum to about 45 degree of angles, hand handle driving locking device starts to lock latter end.When hand handle is put to horizontal position, hand handle
Driving locking device locks latter end completely, and latter end cannot move freely at this time, and test job starts.It is completed and needs to return
When, hand handle is swung into erected state, locking device unlocks at this time, and at this time latter end can slide into outer automatically under the effect of gravity
Shell.After conducting wire latter end recycles, lifting handle be can return to, very convenient.In this patent, the locking device includes solid
The cross section of the locating cover being located on lid, locating cover is c-shape and is extended up and down.Locating cover includes three parts structure, it may be assumed that
Two parallel-plates and a positioning plate.Two of them parallel-plate is arranged in wire guide two sides and is arranged in parallel, parallel-plate and hand handle
Axis is vertically arranged.Positioning plate is arranged in two parallel-plate left ends and the adjacent edge correspondence in the left end of two parallel-plates is fixed together.
The through slot of about one extension in this way, two parallel-plates and a positioning plate have just been encircled a city, and the through slot lower end and wire guide pair
It should be arranged.In this patent, hand handle shaft end portion extends vertically through adjacent parallel-plate and extends in locating cover, for convenience of describing, by hand
Axle position is known as inner segment in one section in locating cover.In this way, hand handle axis inner segment just blocks locating cover oral area get up, make hand handle axis
One section of gap is formed between inner segment and positioning plate.Conducting wire latter end enters the gap after being pierced by wire guide and skids off.The gap-ratio is led
Linear diameter is slightly larger, in order to the smooth sliding of conducting wire.In this patent, one is fixedly installed on half of periphery wall of hand handle axis inner segment
A cam, cam are made of elastic film.Position of the cam on hand handle axis can swing to the left concordant with upper cover in hand handle
When i.e. hand handle it is when in a horizontal state, hand handle driving cam is swung to completely close to positioning plate side, and Distance positioning plate is most
Closely, above-mentioned gap is extruded to minimum, and cam presses latter end elasticity on positioning plate at this time.For convenience of narration, by this state
Referred to as working condition or locking state.When hand handle swings to vertical upper cover i.e. when vertical state, cam completely disengages fixed
Position plate, cam Distance positioning plate is farthest, and above-mentioned gap reaches maximum rating, and latter end can be free to slide at this time.For convenience of narration,
This state is known as idle state or unlocked state.In this patent, limited block is installed on hand handle block, limited block is to the hand handle right side
Limit, makes hand handle can only side oscillation to the left.The purpose being arranged in this way be avoid to two kinds of swing modes of from left to right to user with
The puzzlement for carrying out selection simplifies operation, ensure that use reliability.In conclusion when carrying this patent to live setup test
When by conducting wire pull out shell carry out wiring, then only need to by hand handle by carrying when vertical state swing to horizontality
It is very convenient by conducting wire quick locking.Test job finishes when needing to leave, and only need to swing to hand handle vertically by horizontality
State automatically terminates the locking to conducting wire, and conducting wire sends shell back under self weight or under human assistance, then lift vertically
The hand handle of state is left, very convenient.In this patent, conducting wire and unlock conducting wire are locked and the swing state of hand handle is complete
Unanimously, and the swing state of hand handle again with work or do not work it is corresponding, therefore this patent by hand handle realize it is one-touch oneself
Dynamic trigger action, it is simple and convenient, greatly improve working efficiency.
It in this patent, further include the handle being installed on the upper cover, the handle includes n shape hand handle, further includes two solid
It is located at the hand handle block with fraising on lid, hand handle both ends are coaxially installed with the hand handle axis hingedly cooperated with corresponding hand handle block；Upper cover
On be also equipped with the trigger device of cover cylinder entered by the triggering latter end of handle control, the trigger device includes setting on upper lid
The triggering hole 31 for being disposed adjacent and being located at below the portion of hand handle shaft end with wire guide is installed with the trigger arm radially extended on hand handle axis
32, trigger arm end by with hand handle axis hinged shaft disposed in parallel be hinged with triggering curved bar 33, triggering curved bar through triggering hole and
Both ends upwarp intermediate recessed mode and are bent setting, and upper cover underrun gag lever post 34 is installed with to be arranged with hand handle axis axis parallel
Triggering pipe 35, gag lever post be equipped with triggering curved bar suit limit cooperation limit rod aperture 36, upper cover bottom surface be fixedly provided with from
The swing elastic slice 37 that can only be swung when being bent c-shape and stress downwardly and to the right under right state, the oral area for swinging elastic slice deviate from
Pipe setting is triggered, the conductor loop 38 that elastic slice end is installed with suit conducting wire is swung, swings elastic slice conducting wire when nature is c-shape
Enter mouth under conductor loop into conductor loop end suitable for reading, when pulling out latter end latter end traction swing elastic slice along triggering pipe outer wall to
Left inverse triggers curved bar end and is installed with when swinging elastic slice and swinging into u shape state to swing elastic slice and conductor loop to swinging into u shape
It is limited so that the smooth u shape clip 39 skidded off of conducting wire.In this patent, handle is installed on upper lid, it can be with by handle
This patent is held on, it is more convenient when needing movement or carrying.The handle includes a hand handle, and hand handle is arranged in n shape.Handle
It further include two hand handle blocks being installed on lid, hand handle block is equipped with fraising.Hand handle both ends are coaxially installed with one section of hand handle axis,
Hand handle axis is inserted with the fraising of corresponding hand handle block to be cooperated, and the hinged cooperation of hand handle and upper cover is thereby realized.It, can be with when carrying
By hand handle righting, when work, can be put down hand handle to vacate more working spaces.In this patent, one is also equipped on upper lid
A trigger device, the main function of trigger device are that triggering latter end slides and latter end is made to glide when test is completed to need to return
It is automatically retracted under inertia.In this patent, trigger device is controlled by hand handle and is completed.When test is completed, extremely by horizontal pendulum by hand handle
Vertical state, the trigger device movement of hand handle axis driving at this time, trigger device give latter end one downslide starting force, make latter end first
Start recycling of gliding under the effect of beginning power.When latter end is after downslide inertia is received next time, the hand handle for lifting vertical state can be returned
It returns, very simply.In this patent, the trigger device includes that the triggering hole being disposed adjacent on upper lid with wire guide is arranged in,
Triggering hole is located at below the portion of hand handle shaft end.Be installed with the trigger arm radially extended on hand handle axis, trigger arm end by with hand handle
Axis hinged shaft disposed in parallel is hinged with triggering curved bar, and therefore, triggering curved bar is equivalent to swing around hand handle axis, and this swings
It is to drive trigger arm to complete by hand handle axis in hand handle.In this patent, triggering curved bar is through the setting of triggering hole.Trigger curved bar
Both ends upwarp intermediate recessed mode and are bent setting, and triggering curved bar upper end lower end above triggering hole is being triggered below hole.Therefore, it touches
When sending out curved bar and swinging, exactly trigger to do similar pulling and pushing movement under the position-limiting action in hole.In this patent, upper cover underrun limits
Bar is installed with triggering pipe, and it is straight that the diameter of triggering pipe and the setting of hand handle axis axis parallel and triggering pipe is significantly larger than hand handle axis
Diameter.Gag lever post is equipped with limit rod aperture, limit rod aperture and triggering curved bar lower section suit limit cooperation, to guarantee that triggering curved bar can
Accurately finds the position of conducting wire latter end and trigger it.In this patent, it triggers the upper cover on the right side of pipe and has been fixedly mounted on the bottom surface with a pendulum
Spring plate, swing elastic slice be bent downwardly and to the right in its natural state it is c-shape, and swing elastic slice stress when can only be leftward or rightward
It swings.Because swinging, elastic slice is located on the right side of triggering pipe and the oral area of swing elastic slice is away from triggering pipe, is swinging elastic slice upper end
Under the premise of fixation, it is upper and swing to the left along triggering pipe outer wall that triggering pipe will be against when swinging elastic slice lower section by power to the left.?
In this patent, swings elastic slice end and be installed with conductor loop, conductor loop and wire sleeve assembly are closed.In this patent, conductor loop with lead
Line is inversely inserting or suit cooperation, namely swing elastic slice winds the conducting wire entrance of support frame when nature is c-shape
Be conductor loop is suitable for reading, and connect with wire clamp conducting wire enter be conductor loop lower mouth.The effect being inversely set with is conducting wire from line
Conductor loop and conducting wire are matched to be combined into forward to be conducive to slide and therefore be slided when folder direction is slided to support frame direction i.e. ecto-entad
It is smooth and conductor loop and conducting wire are swung to unfavorable sliding and therefore blocked with being combined into when sliding from inside to outside, therefore reverse suit facilitates
Conducting wire recycling.So when needing to put outside conducting wire what if, then need manpower to assist, namely need to pull out conducting wire.?
Swing to that resistance is larger, and manpower will directly swing elastic slice by conducting wire by the right with being combined into due to conductor loop and conducting wire when pulling
Curved c shape switches to the u shape extended along triggering pipe outer wall.In this patent, triggering curved bar end is installed with a clip, blocks
Hoop is in u shape.The main function of clip be swing elastic slice swing at when u shape state to swing elastic slice and conductor loop limited so that
Swing elastic slice keep u shape state, swing elastic slice keep u shape state effect be exactly at this time conductor loop be placed exactly in wire guide lower section
Position to the left, this position can guarantee the smoothness that conducting wire skids off.
In the present embodiment, locating cover upper end is installed with the guider 40 being oriented to latter end, and guider includes one
Spring 41, spring lower section are up-thin-low-thick cone, and spring upper section is upper coarse and lower fine bell mouth shape.Pacify in locating cover upper end
Dress guider can make conducting wire avoid sharp angle or rib when skidding off or sliding into, and have protective effect to conducting wire.In this patent
In, guider mainly includes a spring, and spring also has radial swing elasticity with axial elasticity, therefore not only has
Preferable protective effect, moreover it is possible to buffer biggish traction force.In this patent, spring lower section is up-thin-low-thick cone, bullet
Spring upper section is upper coarse and lower fine bell mouth shape, and setting main function in this way has two, first is that both ends are coarse, is entered convenient for conducting wire, more
Add smooth；Second is that middle part is elongated, elastics wing effect when can be enhanced by radial force has preferable buffering effect.
In this patent, the fixed device 11 include be fixed on the base by three foundation bars 101 it is horizontally disposed
Guide ring 102 is equipped with the fast pulley 106 that can wind conducting wire in the middle part of bottom bar, and being fixedly connected on the wheel hub of fast pulley side can be around
To the fixing belt 103 of other side wheel hub, the magnetic patch being attracted can be corresponded to 104 by being installed in fixing belt and other side wheel hub, be fixed
With the silica gel piece 105 being fixedly installed in the middle part of inner sidewall to the elastic pressing of conducting wire progress being wrapped on fast pulley.In this patent
In, fixed device mainly includes six part-structures, it may be assumed that guide ring, bottom bar, fast pulley, fixing belt, magnetic patch to and silica gel piece.Its
In, guide ring is fixed on base center by three foundation bars, and guide ring is horizontally disposed to guarantee the distance phase to each support frame
Deng.Fast pulley is mounted in the middle part of bottom bar, and main function is the lossless fixation realized by canoe to conducting wire.In this patent
In, guide ring is not only annulus, and cross section is also round, therefore the effect of guide ring has two, first is that apart from each support
Frame is equidistant, and connection is excessively more convenient；Second is that carrying out the excessive of guiding steering using the curved surface of itself circumference, more naturally
With it is smooth, also play the protective effect to conducting wire.In this patent, a fixation is fixedly connected on the wheel hub of fast pulley side
Band, fixing belt can be on the wheel hubs of the other side.The magnetic patch being attracted can be corresponded to by being installed on fixed end of tape and other side wheel hub
It is right, play the role of for fixing belt being fixedly installed on fast pulley.It is fixedly installed with silica gel piece in the middle part of fixing belt inner sidewall,
When fixing belt is locked on fast pulley, silica gel piece can carry out elasticity pressing to the conducting wire being wrapped on fast pulley to be prevented to play
Wire dropping and the effect that self is fixed using conducting wire wound upon themselves.
In the present embodiment, further include the windowing facility that window is closed and opened, the windowing facility include with
Cover cylinder slides up and down the regular hexagon vestlet 201 of suit cooperation, and vestlet is equipped with and window outer window 202 correspondingly；Also
Including the handle being installed on the upper cover, the handle includes n shape hand handle, further includes two hand handles being installed in fraising on lid
Block, hand handle both ends are coaxially installed with the hand handle axis hingedly cooperated with corresponding hand handle block；Hand handle shaft end is coaxially installed with drive shaft
203, the bearing arrangement 204 with drive shaft turns suit cooperation is installed on upper lid, drive shaft ending vertical is installed with and hand handle
It is equipped at the top of actuating arm 205 in the same plane, vestlet and the vertically disposed vestlet wall of drive shaft along vestlet wall end face length
Direction is slidably fitted with sliding block 207 on sliding rail, is rotatably equipped with and drives on sliding block to the sliding rail 206 extended on the left of drive shaft
Axis asessory shaft 208 disposed in parallel, asessory shaft is vertical with actuating arm to be solid-located, when hand handle drives actuating arm to be rocked to the left
Vestlet drops to the windowing state for keeping outer window Chong Die with window one-to-one correspondence when horizontality, when hand handle drives driving arm swing
Vestlet rises to the window closing state for separating outer window with corresponding window when to vertical state.In this patent, it is also set on shell
It is equipped with windowing facility, the control that windowing facility can close window and open can close window so when not used
Mouth is to play the protection to conducting wire.In this patent, the windowing facility mainly includes vestlet, outer window, handle and setting
Drive mechanism between handle and vestlet.Wherein, vestlet is the regular hexagon pipe that suit cooperation is slided up and down with cover cylinder, up and down
Perforation setting.Vestlet is equipped with and window outer window correspondingly.Obviously, when outer window and window are aligned, window is beaten
It opens, when outer window and window separation, window is closed because of being covered by vestlet.The handle mainly includes one and is converted into n shape
Hand handle further includes two hand handle blocks being installed on lid, is provided with fraising on hand handle block.Hand handle both ends are coaxially installed with hand handle
Axis, hand handle axis and fraising inserting cooperation, to realize that handle end hingedly cooperates with corresponding hand handle block.Hand handle shaft end is installed with
Drive shaft, drive shaft and hand handle axis are coaxially disposed.Bearing arrangement is installed, bearing arrangement and drive shaft turns set assemble on upper lid
It closes, can guarantee the rotation smoothness of drive shaft in this way.Drive shaft ending vertical is installed with an actuating arm, actuating arm and hand handle
In the same plane.That is, when hand handle actuating arm when in a horizontal state also swings to horizontality, when hand handle is in perpendicular
Actuating arm also swings to vertical state when straight state, thereby realizes control of the hand handle to actuating arm.In this patent, with drive
Sliding rail is equipped at the top of the vestlet wall of the vertically disposed vestlet of moving axis, sliding rail prolongs along vestlet wall end face length direction to drive shaft left side
Stretch setting.Sliding block is slidably fitted on sliding rail, sliding block can be free to slide along sliding rail or so.It is rotatably equipped with and drives on sliding block
Axis asessory shaft disposed in parallel, asessory shaft is vertical with actuating arm to be solid-located, such hand handle just pass through hand handle axis, drive shaft,
Actuating arm and sliding block realize transmission matching relationship with vestlet.When needing to test, manipulator is to the left swung drive actuating arm,
Sliding block slides under actuating arm driving effect along sliding rail to the left at this time, while vestlet is made in actuating arm driving effect and self gravity
It is moved down under.When hand handle is rocked to horizontality, sliding block slides into left end, vestlet drop to cover cylinder flush position,
Outer window overlaps with window one-to-one correspondence at this time, this state is known as windowing state or working condition.When test job knot
When beam needs to return, driving hand handle is swung up, and sliding block, which starts to drill sliding rail, to move to right, while vestlet being driven to rise, outer window and window
Mouth starts to misplace.When hand handle swings to vertical state, sliding block is swung to right above actuating arm, and outer window and window start point
From namely window start to be completely covered by vestlet and close, this state is known as window closing state or idle state.After close,
The hand handle for lifting vertical state can carry this patent and leave, very convenient.Likewise, preparing to survey to scene when carrying this patent
When examination, only need to by hand handle by carrying when vertical state swing to horizontality, window can be opened quickly, very convenient.?
In this patent, open window and close window and hand handle swing it is completely the same, and the swing of hand handle again with work or do not work
It is corresponding, therefore this patent realizes one-touch automatic trigger by hand handle and operates, it is simple and convenient, greatly improve work effect
Rate.
In this patent, sliding rail right end is also connected with one section of shorter positioning slide 209 being slidably matched with sliding block.In cunning
After one section of positioning slide being slidably matched with sliding block is arranged in rail right end, because positioning slide is shorter, main function is in sliding block
After reaching at the top of actuating arm sliding block continuation can slided to the right a bit of, that is, actuating arm is made to have a small inclination angle
Degree can be stuck on positioning slide under vestlet gravity in user's rear slider of loosing one's grip in this way, also be ensured that even if not having
External force, vestlet will not slide, and ensure that the protection reliability to window.
In the present embodiment, idler wheel 301 is installed on pedestal, be installed on upper lid two extend straight up can make line
The auxiliary rod 302 of clamping, auxiliary rod top, which is equipped with, can detain the conical overhead guard 303 of cover upper cover, on overhead guard it is fixed there are two with
Auxiliary rod corresponds the overhead guard cylinder 304 of inserting cooperation.In this patent, it after idler wheel being installed on pedestal, can be convenient existing
The mobile this patent in field, it is very convenient.In this patent, two auxiliary rods extended straight up, auxiliary rod are installed on upper lid
Effect first is that provide a holding carrier for wire clamp, avoid wire clamp from shaking in this patent moving process, ensure that each portion
The operational reliability of part.This patent further includes the conical overhead guard that can detain cover upper cover, dustproof and rainproof when guaranteeing idle
Function.Fixed on overhead guard there are two the overhead guard cylinders that inserting cooperation is corresponded with auxiliary rod, therefore the two of the effect of auxiliary rod are just
It is to insert to cooperate with overhead guard, provides installation carrier for overhead guard, improve property easy for installation.
In this patent, six side walls of shell are coated with red, orange, yellow, green, blue, purple six chromatic graph layer respectively.Red, orange,
Putting in order for yellow, green, blue, purple six chromatic graph layer is consistent with the sequence of successively decreasing of window amplification factor.Be arranged it is red, orange, yellow, green,
After blue, purple six chromatic graph layers, because putting in order for red, orange, yellow, green, blue, purple six chromatic graph layer is suitable with successively decreasing for window amplification factor
Sequence is consistent, therefore user can be quickly found out the corresponding window of required amplification factor according to color, very convenient.
Claims (3)
1. a kind of power plant electric signal multiple amplifier, it is characterized in that: including shell (0), shell (0) includes regular hexagon plate
Shape pedestal (1), fixed there are six spaced support frame (2) annular in shape on pedestal (1), support frame is wound in the same direction between (2)
There is the conducting wire (3) of two circles or the two above outsourcing insulations of circle, conducting wire (3) both ends have been electrically connected wire clamp (4), and shell (0) is also
The cover cylinder (7) on pedestal (1) is covered on including the downward fixing buckle of oral area, cover cylinder (7) includes the upper and lower corresponding upper cover being fixed together
(8) and bobbin (9), bobbin are equipped with the group of windows with the one-to-one extension up and down of support frame (2), and group of windows includes at least one
A window (10), pedestal (1) middle part are equipped with the fixation device (11) for tensing conducting wire (3), and upper cover (8), which is equipped with, makes conducting wire
(3) wire guide (13) that latter end (12) extends out；It is equipped on pedestal (1) idler wheel (301), upper cover is installed with two on (8)
What root extended straight up can make the auxiliary rod (302) of wire clamp (4) clamping, and auxiliary rod (302) top, which is equipped with, can detain cover upper cover (8)
Conical overhead guard (303), it is fixed on overhead guard (303) that there are two the overhead guard cylinders that inserting cooperation is corresponded with auxiliary rod (302)
(304).
2. power plant as described in claim 1 electric signal multiple amplifier, it is characterized in that: six side walls of shell (0) are distinguished
It is coated with red, orange, yellow, green, blue, purple six chromatic graph layer.
3. power plant as claimed in claim 2 electric signal multiple amplifier, it is characterized in that: red, orange, yellow, green, blue, purple six colors
Putting in order for figure layer is consistent with the sequence of successively decreasing of window amplification factor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017207344324 | 2017-06-23 | ||
| CN201720734432 | 2017-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208334465U true CN208334465U (en) | 2019-01-04 |
Family
ID=64780271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820479232.3U Expired - Fee Related CN208334465U (en) | 2017-06-23 | 2018-04-07 | Power plant's electric signal multiple amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208334465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116082A (en) * | 2017-06-23 | 2019-01-01 | 大唐临清热电有限公司 | Multi-functional power plant's current detector |
-
2018
- 2018-04-07 CN CN201820479232.3U patent/CN208334465U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116082A (en) * | 2017-06-23 | 2019-01-01 | 大唐临清热电有限公司 | Multi-functional power plant's current detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203870147U (en) | Load-checking ammeter | |
| CN106353060B (en) | Electric-power safe instruments preventive trial mobile laboratory | |
| CN208334465U (en) | Power plant's electric signal multiple amplifier | |
| CN208334466U (en) | Assistor detects in power plant with automatic deploying and retracting line function | |
| CN208334469U (en) | Semi-automatic electrical signal tester | |
| CN105953756B (en) | Steel pipe positioning detecting device in cable splice pipe based on synchronous belt driving | |
| CN208334464U (en) | Portable power signal detection auxiliary device | |
| CN208334467U (en) | The electric auxiliary machine of the dedicated survey of power plant electrician | |
| CN208334468U (en) | Multi gear position automatic-switching type electric signal tester | |
| CN208334470U (en) | Generate electricity station service stream rapid measurement device | |
| CN112731078B (en) | Electrified detection auxiliary device | |
| CN109116082A (en) | Multi-functional power plant's current detector | |
| CN205920163U (en) | Ground resistance measure apparatus | |
| CN219173951U (en) | Coiling and uncoiling device for land space planning | |
| CN203978420U (en) | A kind of automatic drilling inclinometer operating means | |
| CN210603098U (en) | Insulation measuring rod | |
| CN203396789U (en) | Arrester three-phase simultaneous detection lead wire clamp | |
| CN206450817U (en) | Large-current-rising line of current transformer | |
| CN106501750A (en) | A kind of voltage transformer site error detects secondary wiring device | |
| CN211374886U (en) | Zero sequence impedance test device for distribution transformer | |
| CN202362352U (en) | Load current testing tool for distribution transformer | |
| CN211470399U (en) | Pore-forming detection device and probe retraction mechanism thereof | |
| CN218727929U (en) | Electric leakage detector | |
| CN113960333B (en) | Method for arranging horizontal loop and clamp method | |
| CN221148779U (en) | Low-voltage overhead line load current measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |