CN205488624U - Transformer low voltage kettle head coupling assembling of anti -soil ability reinforce - Google Patents
Transformer low voltage kettle head coupling assembling of anti -soil ability reinforce Download PDFInfo
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- CN205488624U CN205488624U CN201620116707.3U CN201620116707U CN205488624U CN 205488624 U CN205488624 U CN 205488624U CN 201620116707 U CN201620116707 U CN 201620116707U CN 205488624 U CN205488624 U CN 205488624U
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- sleeve
- binding post
- interior
- patch panel
- jig arm
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- 230000008878 coupling Effects 0.000 title abstract 2
- 238000010168 coupling process Methods 0.000 title abstract 2
- 238000005859 coupling reaction Methods 0.000 title abstract 2
- 239000002689 soil Substances 0.000 title abstract 2
- 210000003205 muscle Anatomy 0.000 claims description 36
- 239000004033 plastic Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000003915 air pollution Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 241001484259 Lacuna Species 0.000 abstract description 5
- 230000003749 cleanliness Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 229920002379 silicone rubber Polymers 0.000 description 51
- 239000004945 silicone rubber Substances 0.000 description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 47
- 239000000741 silica gel Substances 0.000 description 47
- 229910002027 silica gel Inorganic materials 0.000 description 47
- 210000000515 tooth Anatomy 0.000 description 24
- 230000000694 effects Effects 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 11
- 230000008602 contraction Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a transformer low voltage kettle head coupling assembling of anti -soil ability reinforce, include the sleeve that has plasticity with the terminal suit complex of low pressure kettle head, sleeve one side is equipped with the fault trough that cuts off the sleeve lateral wall and forms two dilapidated walls that correspond with the fault trough, set firmly along the outside arm lock of extending of dilapidated walls on the sleeve outer wall that corresponds with dilapidated walls, be equipped with corresponding double -layered hole in two arm lock, it has through the arm lock with the collet head clamp bolt on the terminal tightly to press from both sides downthehole cartridge, the wiring board that upwards extends sets firmly on the sleeve opposite side outer wall, the wiring board is connected with the cable through locking device. The advantage is: rational in infrastructure, installation wiring is convenient, and area of contact is big, contact resistance is little, difficultly takes place the overheated and accident of burning out, and the cleanliness is good, is difficult for being infected with the dust, and job stabilization is reliable, after long -term the use not can because of the vibration nut not hard up lead to generating heat burn out the screw thread post or the lacuna accident that opens circuit, longe -lived, the maintenance period is long, the operation cost is low, is fit for the serious area use at air pollution.
Description
Technical field
This utility model relates to the strong transformer low voltage kettle head of stain resistance and connects assembly.
Background technology
Transformator is a kind of static electrical equipment converting alternating current, is mainly used in being transformed to the AC energy of a kind of electric pressure the AC energy of the another kind of electric pressure of same frequency.Mainly it is made up of primary winding, secondary coil, stalloy three part in structure, being of wide application in power system.
At present, the structure of traditional transformer low pressure kettle head is all the porcelain seat that lower section is provided with an insulation, and on porcelain seat, the most fixed binding post, binding post has been tightened nut.When installing and using, need to install on binding post by the metallic plate set of power cable, then fastening nut.The structure of traditional transformer low pressure kettle head is relatively easy, installation wiring is convenient to, but this transformator has following defects that 1 in reality operation, binding post is by nut and the metallic plate compression fit of cable thus realizes electrically connecting, and binding post contacts simply by the screw thread silk of binding post and nut with nut, actual low pressure kettle head screw and the electric energy output external wire that calculates crimps contact area a little and only has about 4, therefore contact area is less, causes contact resistance bigger；2, lacking preventer, if being placed in outdoor for a long time, dust, acid rain etc. can block nut and binding post gap, corrosion nut and the screw thread silk of binding post, reduce both contacts area further, and then increase contact resistance；3, at secondary coil outlet point namely low pressure kettle head, electric current is bigger, electric current can only pass through screw thread silk (i.e. the silk of screw) conduction, easily cause binding post overheated when electric current is big and burn the binding post of low pressure kettle head, cause circuit phase shortage, burn electrical equipment, cause company property loss, civil disputation occurs, reduce power supply reliability index；4, service life is short, and maintenance period is short, safeguards that operation cost is high；5, the vibration of bigger frequency can be produced during transformator work, likely can cause nut loosening after life-time service, once occur that nut loosening phenomenon, nut will close on the high-impedance state of open circuit with the connection of binding post, now gently then burn out the screw of binding post and nut, heavy then directly result in open circuit lacuna；6, severe along with air quality, the impurity such as the dust in air get more and more, particularly more serious in this phenomenon in heavily contaminated area, in these areas, transformator connects assembly surface and is particularly easy to impurity such as accumulating dust, life-time service readily permeable enter in each interface components, contact resistance is caused to increase, heating burnout Frequent Accidents.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure, installing easy-to-connect, contact area is big, contact resistance is little, is not susceptible to overheated and burnout failure, cleannes are good, it is difficult to covered with dust, stable and reliable in work, heating burnout binding post or open circuit lacuna accident will not be caused because of vibration nut loosening after life-time service, service life is long, maintenance period is long, and operation cost is low, is suitable for the transformer low voltage kettle head the air pollution stain resistance that seriously area uses is strong and connects assembly.
nullFor solving above-mentioned technical problem，The strong transformer low voltage kettle head of this stain resistance connects being structurally characterized in that of assembly: include that what the suit of the binding post with low pressure kettle head coordinated has plastic sleeve，Sleeve side is provided with fault trough sleeve lateral wall cut off and forms two dilapidated walls corresponding with fault trough，It is installed with on the sleeve outer wall corresponding with dilapidated walls along the outward extending jig arm of dilapidated walls，Two jig arm are provided with the folder hole of correspondence，It is fitted with sleeve clamping fishbolt on binding post in folder hole by jig arm，It is installed with upwardly extending patch panel on sleeve opposite side outer wall，Patch panel is connected by locking device cable，Fault trough is arranged to the wide wedge shape of the narrow lower port of upper port so that sleeve forms the cone that thin lower end, upper end is thick，The most extended interior pod it is evenly equipped with on sleeve lining，The cross section of interior pod is the isosceles triangle that width portion is arranged towards sleeve axial line，It is evenly equipped with the most extended on binding post periphery and indulges muscle in the setting of interior pod one_to_one corresponding，The cross section of interior vertical muscle is the isosceles triangle that tip is arranged towards interior pod，Binding post axle center part is provided with the uith screw chamber that oral area sets up，It is equipped with female thread in the cavity wall of uith screw chamber，The interior stud downwardly extending setting coaxially it is installed with on sleeve inner top surface，The external screw thread matched with female thread it is equipped with on interior stud，Described locking device includes the locking hole being arranged on patch panel，Clamping screw it is fitted with in locking hole，Also include that friction tight sleeve pipe locked by the cable core suit with cable，Cannula end is installed with terminal board，The terminal hole corresponding with locking hole it is installed with on terminal board.
It is to realize rational in infrastructure by clamped-in style sleeve structure that the transformer low voltage kettle head that this stain resistance is strong connects assembly, installing easy-to-connect, contact area is big, contact resistance is little, is not susceptible to overheated and burnout failure, cleannes are good, it is difficult to covered with dust, stable and reliable in work, heating burnout binding post or open circuit lacuna accident will not be caused because of vibration nut loosening after life-time service, life-span is long, maintenance period is long, and operation cost is low, is suitable in air pollution seriously area use.
Clamped-in style sleeve structure mainly includes being set with, with binding post, the sleeve coordinated, and the sidewall of sleeve side is provided with fault trough.Because the section of fault trough radially extends setting along sleeve, therefore in the through sleeve lateral wall of fault trough, outside is arranged.Because the section of fault trough also axially the most extended along sleeve, therefore the upper and lower two ends of the most through sleeve lateral wall of fault trough are arranged.So, sleeve lateral wall is just cut off and is come by fault trough, makes whole sleeve sidepiece form the slot-shaped side port of a complete open type.Because sleeve is round tube shape structure, after arranging fault trough, the cross section of whole sleeve is just in " C " shape.Describing for convenience, the section of the sleeve lateral wall formed after cutting fault trough is referred to as dilapidated walls, so, sleeve just has two dilapidated walls close to each other, and fault trough is between two dilapidated walls.
In this patent, sleeve outer wall being fixedly provided with two jig arm, jig arm is arranged near dilapidated walls, and a sidewall of jig arm is corresponding with dilapidated walls to be connected and be positioned in a plane.So, two jig arm are equivalent to the extension that dilapidated walls are outside, and two jig arm are also spaced setting.Because sleeve is made up of metal material, generally alloy, the most both there is preferable plasticity.As it was previously stated, sleeve cut off by fault trough after in " C " shape, and two jig arm are placed exactly in two ends of " C " shape sleeve, therefore drive the sleeve plastic deformation of " C " shape will be more laborsaving by jig arm.When two jig arm are moved towards by chucking power, two jig arm will drive the deformation of " C " shape sleeve synchronizing moving, namely two jig arm line swinging deformation in opposite directions centered by sleeve axial line.In this patent, two jig arm are provided with the folder hole of correspondence, are fitted with fishbolt in folder hole, and providing chucking power to two jig arm is exactly this fishbolt.When tightening fishbolt, two jig arm will be extruded by fishbolt, and now two jig arm move towards, and " C " shape sleeve is also drive by jig arm and shrinks to axial line, for convenience of narration, this state is referred to as clamped condition or contraction state.When contraction state, barrel bore diameter diminishes, and sleeve diameter is less than binding post external diameter, and therefore sleeve lining will tightly be wrapped on binding post outer wall, it is ensured that sleeve and the reliability of binding post electrical connection.Obviously, the degree of tightening of fishbolt, sleeve and the contact resistance of the clamping degree of binding post, sleeve and binding post, this three is proportional relation.That is, fishbolt is twisted the tightest, sleeve plastic deformation is the most thorough, and sleeve just clamps the tightest with binding post, and the contact resistance of sleeve and binding post is the least, and binding post heating probability is the lowest.Therefore, when using this patent, only need to tighten fishbolt to attach the casing on binding post, operate the simplest.And when needing dismounting, only need to unclamp fishbolt, and the screwdriver carried with electrician inserts fault trough and pries open or strut two jig arm, " C " shape sleeve can be strutted into the tubular structure of larger interior diameter, complete the plastic deformation extended out, thus easily sleeve can be taken off from binding post, operate the simplest.For convenience of narration, " C " shape sleeve can be referred to as softened state or extended configuration from the state that binding post departs from.When extended configuration, sleeve diameter is much larger than binding post external diameter, and the most now sleeve can freely move axially along binding post or circumferentially rotate.Obviously, only need to control the contraction state of " C " shape sleeve or extended configuration, being reliably connected and easily separating of sleeve and binding post can be realized, simple to operate, safeguard or change being convenient to.
Being fixedly provided with patch panel on sleeve, patch panel is positioned at the opposite side of sleeve, is oppositely arranged with jig arm.Patch panel is slab construction, the most extended, the most not only facilitates wiring, and does not interferes with the safe distance of adjacent thread post.Locking device it is provided with on patch panel, patch panel and cable can be made to fix by operation locking device to be electrically connected, thus achieved the reliable output of electric energy by the reliable electrical connection of threaded post, sleeve, patch panel and locking device, it is ensured that in service life, reduce maintenance cost.
In this patent, sleeve lining being evenly equipped with interior pod, interior pod is the most extended.The cross section of interior pod is isosceles triangular structure, and the bottom of the wide portion of interior pod namely isosceles triangle is arranged towards sleeve axial line.So, in adjacent two, the cell wall of pod also can constitute a dentalation, and the cross section of this dentalation is also in isosceles triangle, for convenience of narration, this dentalation is referred to as " rake tooth ".In this patent, binding post periphery being evenly equipped with interior vertical muscle, interior vertical muscle is the most extended.The interior vertical quantity of muscle is identical with the quantity of interior pod, and therefore interior vertical muscle and interior pod one_to_one corresponding are arranged.In this patent, the cross section of interior vertical muscle is also in isosceles triangle, and interior vertical muscle is arranged towards the direction of interior pod according to tip.The purpose so arranged, be make sleeve when being set with binding post, if pod in vertical muscle alignment in making, then ensure that all interior vertical muscle all align interior pod, it is ensured that the accuracy of cooperation.In this patent, being provided with a uith screw chamber in binding post, uith screw chamber is positioned at the axle center part of binding post.Uith screw chamber is cylindrical structural, and uith screw chamber is coaxially disposed with binding post.In this patent, uith screw chamber oral area sets up, and such uith screw chamber is exactly a cylinder-like structure with upward opening.Being equipped with female thread in the cavity wall of uith screw chamber, female thread extends to bottom uith screw chamber from uith screw chamber upper end.
In this patent, sleeve is that oral area is down-set, and sleeve so can be facilitated to be set with the most extended binding post from the top down, one of this advantageous effect being set as.The two of the advantageous effect that sleeve oral area is down-set, after being exactly sleeve set binding post, because sleeve top blocks, therefore sleeve serves the effect blocking dust and other impurities, ensure that sleeve lining and the spatter property of binding post sidewall, namely after can guarantee that locking device life-time service, still can keep the ability of less contact resistance, it is particularly suitable in the heavier area use of air pollution.Being installed with the interior stud downwardly extending setting on sleeve inner top surface, interior stud is coaxially disposed with sleeve.External screw thread, external screw thread and the female thread threaded in uith screw chamber it is equipped with on interior stud.As previously mentioned, when extended configuration, sleeve phase pairs of posts can freely move axially or freely circumferentially rotate, it is therefore desirable to when attaching the casing on binding post, only then interior stud need to be screwed in uith screw chamber by the uith screw chamber oral area of interior stud lower end aligned binding post.When interior stud is completely screwed into uith screw chamber, sleeve overlaps the most completely and has installed on binding post, for convenience of narration, is referred to as screwing in state by this state.When the state of screw-in, the external screw thread of interior stud periphery and the female thread snug fit of uith screw chamber, therefore its contact area rate is common optical axis and the assembling of light inserting are closed much greater, greatly reduce the contact resistance of interior stud and binding post, effectively prevent heating burnout accident.In order to sleeve is locked on binding post, in needing to insert fishbolt the folder hole of jig arm and gradually tighten.Arranging as it was previously stated, the interior pod on sleeve lining and the interior vertical muscle on binding post periphery are one_to_one corresponding, therefore during gradually tightening fishbolt, Nei Zong influential point of tendons slowly shifts to interior pod.When fishbolt is tightened completely, interior vertical muscle and interior pod snug fit one by one, now sleeve completes plastic shrinkage, and tightly ladle cover is on binding post, namely sleeve reaches clamped condition.When clamped condition, because the interior vertical muscle of the interior pod of sleeve lining and binding post periphery is tightly to fit together, and the cross section of interior pod and interior vertical muscle is all isosceles triangle, therefore the contact area of both contact area rate tradition optical axis and light set connected mode is much greater.So, the contact area of sleeve and binding post not only includes uith screw chamber and the contact area of interior stud, also includes interior pod and the contact area of interior vertical muscle, and all coordinates the tightst, greatly reduce the contact resistance of sleeve and binding post, effectively prevent heating burnout accident.In this patent, sleeve is when extended configuration, and fault trough is the wedge shape that the narrow lower port of upper port is wide, and now, whole sleeve is the cone that thin lower end, upper end is thick, the barrel bore cone that also lower port thick with binding post etc. is thicker than binding post in upper port.The purpose so arranged, one is to when binding post set is sleeved, sleeve be accurately aimed at binding post and just quickly can be buckled by sleeve oral area and cover on binding post；Two is that the sleeve oral area after expanding can facilitate installation personnel to see the interior stud of sleeve inner, interior stud end alignment uith screw chamber so only need to can complete the accurate docking of sleeve and binding post, greatly reduce installation difficulty, be favorably improved work efficiency.
In this patent, because interior pod and female thread are all along the axially extending setting of binding post, therefore, when clamped condition, if not using violence to be separated with binding post by sleeve by force by unclamping fishbolt mode, sleeve and binding post can only be applied axial tension in opposite direction.It is similar to, because the screw thread on interior stud and uith screw chamber is all substantial transverse setting, namely it is the most vertically disposed with binding post, therefore, when clamped condition, if not using violence to be separated with binding post by interior stud by force by unclamping fishbolt mode, internal stud and binding post can only be used to apply horizontal torsion in opposite direction or revolving force, namely sleeve and binding post be applied horizontal torsion in opposite direction or revolving force.In sum, in the clamp state, if not using the mode unclamping fishbolt, and when using pairs of posts and sleeve applying axial tension violence in opposite direction to pull, although the resistance that the interior pod of clamped condition and interior vertical muscle now produce is little, but the horizontal thread of the interior stud of threaded and uith screw chamber will produce great resistance, therefore cannot realize separating；If use pairs of posts and sleeve to apply circumferential torsion in opposite direction or revolving force violence rotation, although the interior stud of clamped condition and uith screw chamber will not produce excessive resistance, but under clamped condition, interior pod and the interior vertical muscle of axially extending setting will produce great resistance, the most also cannot realize separating.In brief, when clamped condition, by unclamping fishbolt mode, sleeve can only be separated from binding post, otherwise use violence mode the most not all right, fundamentally ensure that the affixed reliability of this patent, the reliability of electrical connection, this is also one of the innovative point of this patent.
Being shunk by hydraulic way after sleeve pipe suit cable inner core, such sleeve pipe just can crimp into a single integrated structure with cable inner core, thus realizes electrically connecting with the reliable of cable with sleeve pipe.Sleeve pipe latter end is fixedly connected with terminal board, and terminal board is provided with terminal hole.Sleeve epimere is installed with patch panel, and patch panel is provided with the locking hole corresponding with terminal hole.When needing to connect cable, only locking hole and terminal hole need to be alignd, be inserted into clamping screw and tighten, patch panel and terminal board locking can be made into a single integrated structure, namely achieve the reliable electrical connection of patch panel and cable.This locking device in use, only need to be tightened or unclamp clamping screw, can realize the electrical connection of patch panel and cable, operate the simplest.
As improvement, described interior stud lower end is coaxially installed with tip conical blocks down, being equipped with the helical tooth arranged from the external screw thread spiral extension of the inside stud in conical blocks tip on the conical surface of conical blocks, helical tooth lower end is round and smooth with the external screw thread upper end one_to_one corresponding of interior stud to be connected.
After the fixed conical blocks in interior stud lower end, down and it is coaxially disposed with interior stud because conical blocks is tip, therefore before interior stud inserts uith screw chamber, the tip of conical blocks can first be inserted in uith screw chamber, and stud inserts in uith screw chamber smoothly in passing through the guiding of its conical outside face, therefore conical blocks has the guide effect that the interior stud of auxiliary is quick, be properly inserted in uith screw chamber.In this patent, the conical surface of conical blocks being equipped with some helical tooths, helical tooth is arranged along taper seat from conical blocks tip to periphery spiral extension bottom conical blocks.On helical tooth and interior stud, external screw thread one_to_one corresponding is arranged, and the lower end of all helical tooths is connected with each self-corresponding external screw thread upper end rounding off.The benefit so arranged is, when conical blocks inserts uith screw chamber inner chamber, no matter whether conical blocks is co-axially inserted uith screw chamber, owing to protruding from the existence of the helical tooth of the conical blocks conical surface, helical tooth can prior to the conical blocks conical surface touch uith screw chamber inwall and slip into uith screw chamber inwall female thread in.Along with conical blocks is gradually inserted uith screw chamber, the helical tooth snapping in female thread can progressively go deep in female thread.When stud in being rotated by sleeve, helical tooth can guide in the female thread screwing into uith screw chamber upper end of interior stud lower end, and such helical tooth just serves the guiding guiding external screw thread to slip into female thread and slips into effect.When continuing turnbarrel, the external screw thread of interior stud screws in the female thread of uith screw chamber the most smoothly, namely interior stud screws in uith screw chamber smoothly, it is ensured that sleeve and the success rate of binding post plug-in mounting cooperation and smoothness, also improves installment work efficiency.
As improvement, it is evenly equipped with along the extended translot that cross section is V-arrangement of terminal board length direction on the sidewall of described terminal board and patch panel snug fit, the horizontal bar that the cross section corresponding with translot is △ shape it is evenly equipped with on the sidewall of patch panel, when terminal hole and locking hole alignment, horizontal bar is correspondingly embedded in translot.
For convenience of narration, it is referred to as being adjacent to face by the side that patch panel and terminal board are mutually adjacent to.In this patent, being adjacent on face of terminal board is evenly equipped with some translots, and translot is extended along terminal board length direction.Being adjacent on face of patch panel is evenly equipped with some horizontal bars, the horizontally extending setting of horizontal bar.When terminal hole and locking hole align, horizontal bar is correspondingly embedded in translot.After tightening clamping screw, horizontal bar and translot are by mutual compression fit.The purpose so arranged is to increase terminal board and the contact area of patch panel, reduces both contact resistances, reduces heat generation rate, it is ensured that both are reliably connected.
As improvement, this patent also includes all covering jig arm, upper cartridge, patch panel and terminal board being buckled in the silicone rubber cover that interior oral area is down-set, silicone rubber cover is installed with the silica gel piece coordinated with fault trough plug-in mounting on the inwall of jig arm, and silica gel piece is provided with the silica gel hole being correspondingly arranged with folder hole and being much larger than folder hole.
After silicone rubber cover is set, silicone rubber cover can be detained and cover on above jig arm, upper cartridge, patch panel and terminal board, and by jig arm, upper cartridge, patch panel and terminal board completely ladle cover in silicone rubber cover inner chamber, so can play the effect of weather proof, dust protection, ensure that the cleaning of connecting portion between connecting portion between sleeve and binding post, patch panel and terminal board, also ensure that the reliability of electrical connection between above-mentioned connecting portion.In this patent, silicone rubber cover inwall being installed with a silica gel piece, silica gel piece is vertically arranged.Being provided with a silica gel hole in the middle part of silica gel piece, the size in silica gel hole is much larger than folder hole size.The purpose so arranged, is to facilitate silica gel piece to insert smoothly in the space between two jig arm, and can pass through silica gel hole when fishbolt inserts folder hole.When clamped condition, silica gel piece is by jig arm crimp, and utilizes natural resiliency to increase silica gel piece and the frictional force of jig arm and bed knife, makes silica gel piece be fixed between two jig arm.The benefit so arranged is, during normal use, if run into maintenance, directly can be started by silicone rubber cover thus expose jig arm, upper cartridge, patch panel and terminal board, in order to maintenance.Owing to silica gel piece and jig arm are fixing annexations, therefore when silicone rubber cover is started, silica gel piece can't move relative to jig arm, but elastic deformation occurs in the junction of silica gel piece and silicone rubber cover.When overhauling complete, then silicone rubber cover former state being put down, now the elastic deformation of silica gel piece and silicone rubber cover junction disappears and restores to the original state.So arrange it is also an advantage that, it is simply that by less External Force Acting time, when blowing such as wind, silicone rubber cover still can keep under the resilient support effect of silica gel piece button hood-like state, it is ensured that the reliability of silicone rubber cover protective effect and persistency.
As improving further, described silicone rubber cover sidewall is provided with the n shape opening that the oral area corresponding with terminal board is down-set, opening is equipped with silica gel thin slice, is provided with the thin seam of a up/down perforation in the middle part of thin slice, and described silicone rubber cover top is tip hemisphere upward.
In this patent, silicone rubber cover top is set to tip hemisphere upward, can play and avoid dust accretions at silicone rubber cover end face, keep the effect of silicone rubber cover cleaning, provide conveniently for electric power overhaul.The opening of n shape is set at silicone rubber cover avris, aperture position is correspondingly arranged with terminal board, so when the hood-like state of silicone rubber cover button, the connecting portion of terminal board and sleeve pipe can just embed in the opening of n shape, both ensure that all parts was completely detained cover by silicone rubber cover, also silicone rubber cover is made will not to deform because of the extruding of terminal board, the most attractive in appearance.In this patent, n shape opening is laid with one layer of silica gel thin slice, in the middle part of silica gel thin slice, is provided with a thin seam the most extended.When silicone rubber cover button cover jig arm, upper cartridge, patch panel and terminal board, terminal board can enter thin seam.Because the thickness of silica gel thin slice is than the thickness much thinner of silicone rubber cover, therefore elastic more preferable, extensibility is more preferable, the silica gel thin slice of so thin seam both sides will tightly wrap terminal board, serve sealing function, effectively prevent from dust from passing through opening to enter inside silicone rubber cover, further ensure the spatter property of jig arm, upper cartridge, patch panel and terminal board.
In sum, use the transformer low voltage kettle head connecting component structure that the stain resistance of this structure is strong reasonable, easy-to-connect is installed, contact area is big, contact resistance is little, being not susceptible to overheated and burnout failure, cleannes are good, are difficult to covered with dust, stable and reliable in work, will not cause heating burnout threaded post or open circuit lacuna accident because of vibration nut loosening after life-time service, the life-span is long, and maintenance period is long, operation cost is low, is particularly suitable for using in air pollution seriously area.
Accompanying drawing explanation
In conjunction with accompanying drawing, this utility model is described in further detail:
Fig. 1 is the structural representation of sleeve, patch panel, non-terminal plate fits；
Fig. 2 is the structural representation that low pressure kettle head, binding post and uith screw chamber coordinate；
Fig. 3 is binding post and the structural representation of uith screw chamber cooperation；
Fig. 4 is the fit structure schematic diagram of sleeve and interior pod；
Fig. 5 is the structural representation before sleeve and binding post assembling；
Fig. 6 is the fit structure schematic diagram that sleeve and binding post screw in state；
Fig. 7 is the fit structure schematic diagram of sleeve and binding post clamped condition；
Fig. 8 is the fit structure schematic diagram of silicone rubber cover and silica gel piece；
Fig. 9 is low pressure kettle head, sleeve, patch panel and the structural representation of terminal board clamped condition；
Figure 10 is the integral outer structural representation of this patent.
Detailed description of the invention
As shown in the figure, the strong transformer low voltage kettle head of this stain resistance connects assembly and includes having plastic sleeve 3 with the binding post 2 of low pressure kettle head 1 suit coordinates, sleeve side is provided with the fault trough 4 sleeve lateral wall cut off and forms two dilapidated walls 5 corresponding with fault trough, it is installed with along the outward extending jig arm of dilapidated walls 6 on the sleeve outer wall corresponding with dilapidated walls, two jig arm are provided with the folder hole 7 of correspondence, it is fitted with sleeve clamping fishbolt 8 on binding post in folder hole by jig arm, upwardly extending patch panel 9 it is installed with on sleeve opposite side outer wall, patch panel is connected by locking device cable 10.Fault trough 4 is arranged to the wide wedge shape of the narrow lower port of upper port so that sleeve 3 forms the cone that thin lower end, upper end is thick, the most extended interior pod 51 it is evenly equipped with on sleeve 3 inwall, the cross section of interior pod 51 is the isosceles triangle that wide portion is arranged towards sleeve 3 axial line, it is evenly equipped with the most extended on binding post 2 periphery and indulges muscle 52 in the setting of interior pod 51 one_to_one corresponding, the cross section of interior vertical muscle 52 is the isosceles triangle that tip is arranged towards interior pod 51, binding post 2 axle center part is provided with the uith screw chamber 53 that oral area sets up, female thread 54 it is equipped with in the cavity wall of uith screw chamber 53, the interior stud 55 downwardly extending setting coaxially it is installed with on sleeve 3 inner top surface, the external screw thread 56 matched with female thread 54 it is equipped with on interior stud 55.
The transformer low voltage kettle head that this stain resistance is strong connects assembly and mainly includes being set with, with binding post, the sleeve coordinated, and the sidewall of sleeve side is provided with fault trough.Because the section of fault trough radially extends setting along sleeve, therefore in the through sleeve lateral wall of fault trough, outside is arranged.Because the section of fault trough also axially the most extended along sleeve, therefore the upper and lower two ends of the most through sleeve lateral wall of fault trough are arranged.So, sleeve lateral wall is just cut off and is come by fault trough, makes whole sleeve sidepiece form the slot-shaped side port of a complete open type.Because sleeve is round tube shape structure, after arranging fault trough, the cross section of whole sleeve is just in " C " shape.Describing for convenience, the section of the sleeve lateral wall formed after cutting fault trough is referred to as dilapidated walls, so, sleeve just has two dilapidated walls close to each other, and fault trough is between two dilapidated walls.
In this patent, sleeve outer wall being fixedly provided with two jig arm, jig arm is arranged near dilapidated walls, and a sidewall of jig arm is corresponding with dilapidated walls to be connected and be positioned in a plane.So, two jig arm are equivalent to the extension that dilapidated walls are outside, and two jig arm are also spaced setting.Because sleeve is made up of metal material, generally alloy, the most both there is preferable plasticity.As it was previously stated, sleeve cut off by fault trough after in " C " shape, and two jig arm are placed exactly in two ends of " C " shape sleeve, therefore drive the sleeve plastic deformation of " C " shape will be more laborsaving by jig arm.When two jig arm are moved towards by chucking power, two jig arm will drive the deformation of " C " shape sleeve synchronizing moving, namely two jig arm line swinging deformation in opposite directions centered by sleeve axial line.In this patent, two jig arm are provided with the folder hole of correspondence, are fitted with fishbolt in folder hole, and providing chucking power to two jig arm is exactly this fishbolt.When tightening fishbolt, two jig arm will be extruded by fishbolt, and now two jig arm move towards, and " C " shape sleeve is also drive by jig arm and shrinks to axial line, for convenience of narration, this state is referred to as clamped condition or contraction state.When contraction state, barrel bore diameter diminishes, and therefore sleeve lining will tightly be wrapped on binding post outer wall, it is ensured that sleeve and the reliability of binding post electrical connection.Due to all screw threads all clamping engagement of sleeve lining Yu whole binding post, therefore both contacts area are big with the contact area of binding post more than single nut, thus substantially reduce both contact resistances, greatly reduce the probability of binding post heating.Obviously, the degree of tightening of fishbolt, sleeve and the contact area of the clamping degree of binding post, sleeve and binding post, this three is proportional relation.That is, fishbolt is twisted the tightest, sleeve plastic deformation is the most thorough, sleeve just clamps the tightest with binding post, and it is the deepest that the screw of binding post embeds sleeve lining, and the contact area of sleeve and binding post is the biggest, the contact resistance of sleeve and binding post is the least, and binding post heating probability is the lowest.Therefore, when using this patent, only need to tighten fishbolt to attach the casing on binding post, operate the simplest.And when needing dismounting, only need to unclamp fishbolt, and the screwdriver carried with electrician inserts fault trough and pries open or strut two jig arm, " C " shape sleeve can be strutted into the tubular structure of larger interior diameter, complete the plastic deformation extended out, thus easily sleeve can be taken off from binding post, operate the simplest.For convenience of narration, " C " shape sleeve can be referred to as softened state or extended configuration from the state that binding post departs from.Obviously, only need to control the contraction state of " C " shape sleeve or extended configuration, being reliably connected and easily separating of sleeve and binding post can be realized, simple to operate, safeguard or change being convenient to.
Being fixedly provided with patch panel on sleeve, patch panel is positioned at the opposite side of sleeve, is oppositely arranged with jig arm.Patch panel is slab construction, the most extended, the most not only facilitates wiring, and does not interferes with the safe distance of adjacent thread post.Locking device it is provided with on patch panel, patch panel and cable can be made to fix by operation locking device to be electrically connected, thus achieved the reliable output of electric energy by the reliable electrical connection of threaded post, sleeve, patch panel and locking device, it is ensured that in service life, reduce maintenance cost.
In this patent, sleeve lining being evenly equipped with interior pod, interior pod is the most extended.The cross section of interior pod is isosceles triangular structure, and the bottom of the wide portion of interior pod namely isosceles triangle is arranged towards sleeve axial line.So, in adjacent two, the cell wall of pod also can constitute a dentalation, and the cross section of this dentalation is also in isosceles triangle, for convenience of narration, this dentalation is referred to as " rake tooth ".In this patent, binding post periphery being evenly equipped with interior vertical muscle, interior vertical muscle is the most extended.The interior vertical quantity of muscle is identical with the quantity of interior pod, and therefore interior vertical muscle and interior pod one_to_one corresponding are arranged.In this patent, the cross section of interior vertical muscle is also in isosceles triangle, and interior vertical muscle is arranged towards the direction of interior pod according to tip.The purpose so arranged, be make sleeve when being set with binding post, if pod in vertical muscle alignment in making, then ensure that all interior vertical muscle all align interior pod, it is ensured that the accuracy of cooperation.In this patent, being provided with a uith screw chamber in binding post, uith screw chamber is positioned at the axle center part of binding post.Uith screw chamber is cylindrical structural, and uith screw chamber is coaxially disposed with binding post.In this patent, uith screw chamber oral area sets up, and such uith screw chamber is exactly a cylinder-like structure with upward opening.Being equipped with female thread in the cavity wall of uith screw chamber, female thread extends to bottom uith screw chamber from uith screw chamber upper end.
In this patent, sleeve is that oral area is down-set, and sleeve so can be facilitated to be set with the most extended binding post from the top down, one of this advantageous effect being set as.The two of the advantageous effect that sleeve oral area is down-set, after being exactly sleeve set binding post, because sleeve top blocks, therefore sleeve serves the effect blocking dust and other impurities, ensure that sleeve lining and the spatter property of binding post sidewall, namely after can guarantee that locking device life-time service, still can keep the ability of less contact resistance, it is particularly suitable in the heavier area use of air pollution.Being installed with the interior stud downwardly extending setting on sleeve inner top surface, interior stud is coaxially disposed with sleeve.External screw thread, external screw thread and the female thread threaded in uith screw chamber it is equipped with on interior stud.As previously mentioned, when extended configuration, sleeve phase pairs of posts can freely move axially or freely circumferentially rotate, it is therefore desirable to when attaching the casing on binding post, only then interior stud need to be screwed in uith screw chamber by the uith screw chamber oral area of interior stud lower end aligned binding post.When interior stud is completely screwed into uith screw chamber, sleeve overlaps the most completely and has installed on binding post, for convenience of narration, is referred to as screwing in state by this state.When the state of screw-in, the external screw thread of interior stud periphery and the female thread snug fit of uith screw chamber, therefore its contact area rate is common optical axis and the assembling of light inserting are closed much greater, greatly reduce the contact resistance of interior stud and binding post, effectively prevent heating burnout accident.In order to sleeve is locked on binding post, in needing to insert fishbolt the folder hole of jig arm and gradually tighten.Arranging as it was previously stated, the interior pod on sleeve lining and the interior vertical muscle on binding post periphery are one_to_one corresponding, therefore during gradually tightening fishbolt, Nei Zong influential point of tendons slowly shifts to interior pod.When fishbolt is tightened completely, interior vertical muscle and interior pod snug fit one by one, now sleeve completes plastic shrinkage, and tightly ladle cover is on binding post, namely sleeve reaches clamped condition.When clamped condition, because the interior vertical muscle of the interior pod of sleeve lining and binding post periphery is tightly to fit together, and the cross section of interior pod and interior vertical muscle is all isosceles triangle, therefore the contact area of both contact area rate tradition optical axis and light set connected mode is much greater.So, the contact area of sleeve and binding post not only includes uith screw chamber and the contact area of interior stud, also includes interior pod and the contact area of interior vertical muscle, and all coordinates the tightst, greatly reduce the contact resistance of sleeve and binding post, effectively prevent heating burnout accident.In this patent, sleeve is when extended configuration, and fault trough is the wedge shape that the narrow lower port of upper port is wide, and now, whole sleeve is the cone that thin lower end, upper end is thick, the barrel bore cone that also lower port thick with binding post etc. is thicker than binding post in upper port.The purpose so arranged, one is to when binding post set is sleeved, sleeve be accurately aimed at binding post and just quickly can be buckled by sleeve oral area and cover on binding post；Two is that the sleeve oral area after expanding can facilitate installation personnel to see the interior stud of sleeve inner, interior stud end alignment uith screw chamber so only need to can complete the accurate docking of sleeve and binding post, greatly reduce installation difficulty, be favorably improved work efficiency.
In this patent, because interior pod and female thread are all along the axially extending setting of binding post, therefore, when clamped condition, if not using violence to be separated with binding post by sleeve by force by unclamping fishbolt mode, sleeve and binding post can only be applied axial tension in opposite direction.It is similar to, because the screw thread on interior stud and uith screw chamber is all substantial transverse setting, namely it is the most vertically disposed with binding post, therefore, when clamped condition, if not using violence to be separated with binding post by interior stud by force by unclamping fishbolt mode, internal stud and binding post can only be used to apply horizontal torsion in opposite direction or revolving force, namely sleeve and binding post be applied horizontal torsion in opposite direction or revolving force.In sum, in the clamp state, if not using the mode unclamping fishbolt, and when using pairs of posts and sleeve applying axial tension violence in opposite direction to pull, although the resistance that the interior pod of clamped condition and interior vertical muscle now produce is little, but the horizontal thread of the interior stud of threaded and uith screw chamber will produce great resistance, therefore cannot realize separating；If use pairs of posts and sleeve to apply circumferential torsion in opposite direction or revolving force violence rotation, although the interior stud of clamped condition and uith screw chamber will not produce excessive resistance, but under clamped condition, interior pod and the interior vertical muscle of axially extending setting will produce great resistance, the most also cannot realize separating.In brief, when clamped condition, by unclamping fishbolt mode, sleeve can only be separated from binding post, otherwise use violence mode the most not all right, fundamentally ensure that the affixed reliability of this patent, the reliability of electrical connection, this is also one of the innovative point of this patent.
In the present embodiment, described interior stud lower end is coaxially installed with tip conical blocks 17 down, being equipped with the helical tooth 18 arranged from the external screw thread spiral extension of the inside stud in conical blocks tip on the conical surface of conical blocks, helical tooth lower end is round and smooth with the external screw thread upper end one_to_one corresponding of interior stud to be connected.After the fixed conical blocks in interior stud lower end, down and it is coaxially disposed with interior stud because conical blocks is tip, therefore before interior stud inserts uith screw chamber, the tip of conical blocks can first be inserted in uith screw chamber, and stud inserts in uith screw chamber smoothly in passing through the guiding of its conical outside face, therefore conical blocks has the guide effect that the interior stud of auxiliary is quick, be properly inserted in uith screw chamber.In this patent, the conical surface of conical blocks being equipped with some helical tooths, helical tooth is arranged along taper seat from conical blocks tip to periphery spiral extension bottom conical blocks.On helical tooth and interior stud, external screw thread one_to_one corresponding is arranged, and the lower end of all helical tooths is connected with each self-corresponding external screw thread upper end rounding off.The benefit so arranged is, when conical blocks inserts uith screw chamber inner chamber, no matter whether conical blocks is co-axially inserted uith screw chamber, owing to protruding from the existence of the helical tooth of the conical blocks conical surface, helical tooth can prior to the conical blocks conical surface touch uith screw chamber inwall and slip into uith screw chamber inwall female thread in.Along with conical blocks is gradually inserted uith screw chamber, the helical tooth snapping in female thread can progressively go deep in female thread.When stud in being rotated by sleeve, helical tooth can guide in the female thread screwing into uith screw chamber upper end of interior stud lower end, and such helical tooth just serves the guiding guiding external screw thread to slip into female thread and slips into effect.When continuing turnbarrel, the external screw thread of interior stud screws in the female thread of uith screw chamber the most smoothly, namely interior stud screws in uith screw chamber smoothly, it is ensured that sleeve and the success rate of binding post plug-in mounting cooperation and smoothness, also improves installment work efficiency.
In the present embodiment, described locking device includes the locking hole 19 being arranged on patch panel, is fitted with clamping screw 20 in locking hole, also includes that friction tight sleeve pipe 21 locked by the cable core suit with cable, cannula end is installed with terminal board 22, and terminal board is installed with the terminal hole 23 corresponding with locking hole.Being shunk by hydraulic way after sleeve pipe suit cable inner core, such sleeve pipe just can crimp into a single integrated structure with cable inner core, thus realizes electrically connecting with the reliable of cable with sleeve pipe.Sleeve pipe latter end is fixedly connected with terminal board, and terminal board is provided with terminal hole.Sleeve epimere is installed with patch panel, and patch panel is provided with the locking hole corresponding with terminal hole.When needing to connect cable, only locking hole and terminal hole need to be alignd, be inserted into clamping screw and tighten, patch panel and terminal board locking can be made into a single integrated structure, namely achieve the reliable electrical connection of patch panel and cable.This locking device in use, only need to be tightened or unclamp clamping screw, can realize the electrical connection of patch panel and cable, operate the simplest.
It is evenly equipped with along the extended translot that cross section is V-arrangement 24 of terminal board length direction on the sidewall of described terminal board and patch panel snug fit, the horizontal bar 25 that the cross section corresponding with translot is △ shape it is evenly equipped with on the sidewall of patch panel, when terminal hole and locking hole alignment, horizontal bar is correspondingly embedded in translot.For convenience of narration, it is referred to as being adjacent to face by the side that patch panel and terminal board are mutually adjacent to.In this patent, being adjacent on face of terminal board is evenly equipped with some translots, and translot is extended along terminal board length direction.Being adjacent on face of patch panel is evenly equipped with some horizontal bars, the horizontally extending setting of horizontal bar.When terminal hole and locking hole align, horizontal bar is correspondingly embedded in translot.After tightening clamping screw, horizontal bar and translot are by mutual compression fit.The purpose so arranged is to increase terminal board and the contact area of patch panel, reduces both contact resistances, reduces heat generation rate, it is ensured that both are reliably connected.
In the present embodiment, this patent also includes all covering jig arm, upper cartridge, patch panel and terminal board being buckled in the down-set silicone rubber cover of interior oral area 28, silicone rubber cover is installed with the silica gel piece 26 coordinated with fault trough plug-in mounting on the inwall of jig arm, and silica gel piece is provided with the silica gel hole 27 being correspondingly arranged with folder hole and being much larger than folder hole.After silicone rubber cover is set, silicone rubber cover can be detained and cover on above jig arm, upper cartridge, patch panel and terminal board, and by jig arm, upper cartridge, patch panel and terminal board completely ladle cover in silicone rubber cover inner chamber, so can play the effect of weather proof, dust protection, ensure that the cleaning of connecting portion between connecting portion between sleeve and binding post, patch panel and terminal board, also ensure that the reliability of electrical connection between above-mentioned connecting portion.In this patent, silicone rubber cover inwall being installed with a silica gel piece, silica gel piece is vertically arranged.Being provided with a silica gel hole in the middle part of silica gel piece, the size in silica gel hole is much larger than folder hole size.The purpose so arranged, is to facilitate silica gel piece to insert smoothly in the space between two jig arm, and can pass through silica gel hole when fishbolt inserts folder hole.When clamped condition, silica gel piece is by jig arm crimp, and utilizes natural resiliency to increase silica gel piece and the frictional force of jig arm and bed knife, makes silica gel piece be fixed between two jig arm.The benefit so arranged is, during normal use, if run into maintenance, directly can be started by silicone rubber cover thus expose jig arm, upper cartridge, patch panel and terminal board, in order to maintenance.Owing to silica gel piece and jig arm are fixing annexations, therefore when silicone rubber cover is started, silica gel piece can't move relative to jig arm, but elastic deformation occurs in the junction of silica gel piece and silicone rubber cover.When overhauling complete, then silicone rubber cover former state being put down, now the elastic deformation of silica gel piece and silicone rubber cover junction disappears and restores to the original state.So arrange it is also an advantage that, it is simply that by less External Force Acting time, when blowing such as wind, silicone rubber cover still can keep under the resilient support effect of silica gel piece button hood-like state, it is ensured that the reliability of silicone rubber cover protective effect and persistency.
In this patent, described silicone rubber cover sidewall is provided with the n shape opening 29 that the oral area corresponding with terminal board is down-set, and opening is equipped with silica gel thin slice 30, is provided with the thin seam 31 of a up/down perforation in the middle part of thin slice, and described silicone rubber cover top is tip hemisphere 32 upward.In this patent, silicone rubber cover top is set to tip hemisphere upward, can play and avoid dust accretions at silicone rubber cover end face, keep the effect of silicone rubber cover cleaning, provide conveniently for electric power overhaul.The opening of n shape is set at silicone rubber cover avris, aperture position is correspondingly arranged with terminal board, so when the hood-like state of silicone rubber cover button, the connecting portion of terminal board and sleeve pipe can just embed in the opening of n shape, both ensure that all parts was completely detained cover by silicone rubber cover, also silicone rubber cover is made will not to deform because of the extruding of terminal board, the most attractive in appearance.In this patent, n shape opening is laid with one layer of silica gel thin slice, in the middle part of silica gel thin slice, is provided with a thin seam the most extended.When silicone rubber cover button cover jig arm, upper cartridge, patch panel and terminal board, terminal board can enter thin seam.Because the thickness of silica gel thin slice is than the thickness much thinner of silicone rubber cover, therefore elastic more preferable, extensibility is more preferable, the silica gel thin slice of so thin seam both sides will tightly wrap terminal board, serve sealing function, effectively prevent from dust from passing through opening to enter inside silicone rubber cover, further ensure the spatter property of jig arm, upper cartridge, patch panel and terminal board.
Claims (3)
- null1. the transformer low voltage kettle head connection assembly that a stain resistance is strong，It is characterized in that: include with low pressure kettle head (1) binding post (2) suit coordinate there is plastic sleeve (3)，Sleeve (3) side is provided with the fault trough (4) sleeve lateral wall cut off and forms two dilapidated walls (5) corresponding with fault trough (4)，It is installed with along dilapidated walls (5) outward extending jig arm (6) on sleeve (3) outer wall corresponding with dilapidated walls (5)，Two jig arm (6) are provided with the folder hole (7) of correspondence，The fishbolt (8) being clamped on binding post (2) by sleeve (3) by jig arm (6) it is fitted with in folder hole (7)，Upwardly extending patch panel (9) it is installed with on sleeve (3) opposite side outer wall，Patch panel (9) is connected by locking device cable (10)，Fault trough (4) is arranged to the wide wedge shape of the narrow lower port of upper port so that sleeve (3) forms the cone that thin lower end, upper end is thick，The most extended interior pod (51) it is evenly equipped with on sleeve (3) inwall，The cross section of interior pod (51) is the isosceles triangle that width portion is arranged towards sleeve (3) axial line，Interior vertical muscle (52) that is the most extended and that arrange it is evenly equipped with interior pod (51) one_to_one corresponding on binding post (2) periphery，The cross section of interior vertical muscle (52) is the isosceles triangle that tip is arranged towards interior pod (51)，Binding post (2) axle center part is provided with the uith screw chamber (53) that oral area sets up，Female thread (54) it is equipped with in the cavity wall of uith screw chamber (53)，The interior stud (55) downwardly extending setting coaxially it is installed with on sleeve (3) inner top surface，The external screw thread (56) matched with female thread (54) it is equipped with on interior stud (55)，Described locking device includes the locking hole (19) being arranged on patch panel (9)，Clamping screw (20) it is fitted with in locking hole (19)，Also include that friction tight sleeve pipe (21) locked by the cable core suit with cable (10)，Sleeve pipe (21) end is installed with terminal board (22)，The terminal hole (23) corresponding with locking hole (19) it is installed with on terminal board (22).
- 2. the transformer low voltage kettle head that stain resistance as claimed in claim 1 is strong connects assembly, it is characterized in that: described interior stud (55) lower end is coaxially installed with tip conical blocks (17) down, being equipped with the helical tooth (18) that external screw thread (56) spiral extension from the inside stud in conical blocks (17) tip (55) is arranged on the conical surface of conical blocks (17), helical tooth (18) lower end is round and smooth with the external screw thread of interior stud (55) (56) upper end one_to_one corresponding to be connected.
- 3. the transformer low voltage kettle head that stain resistance as claimed in claim 1 or 2 is strong connects assembly, it is characterized in that: be evenly equipped with along the extended translot that cross section is V-arrangement (24) of terminal board (22) length direction on the sidewall of described terminal board (22) and patch panel (9) snug fit, the horizontal bar that cross section be △ shape (25) corresponding with translot (24) it is evenly equipped with on the sidewall of patch panel (9), when terminal hole (23) and locking hole (19) alignment, horizontal bar (25) is correspondingly embedded in translot (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116707.3U CN205488624U (en) | 2016-02-05 | 2016-02-05 | Transformer low voltage kettle head coupling assembling of anti -soil ability reinforce |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116707.3U CN205488624U (en) | 2016-02-05 | 2016-02-05 | Transformer low voltage kettle head coupling assembling of anti -soil ability reinforce |
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| CN205488624U true CN205488624U (en) | 2016-08-17 |
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| CN201620116707.3U Expired - Fee Related CN205488624U (en) | 2016-02-05 | 2016-02-05 | Transformer low voltage kettle head coupling assembling of anti -soil ability reinforce |
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| CN (1) | CN205488624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681283A (en) * | 2017-09-28 | 2018-02-09 | 深圳供电局有限公司 | A kind of single bolt band projection conical surface fixed high-pressure high current binding post |
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2016
- 2016-02-05 CN CN201620116707.3U patent/CN205488624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681283A (en) * | 2017-09-28 | 2018-02-09 | 深圳供电局有限公司 | A kind of single bolt band projection conical surface fixed high-pressure high current binding post |
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