CN108075423A - Novel hydraulic strain clamp - Google Patents
Novel hydraulic strain clamp Download PDFInfo
- Publication number
- CN108075423A CN108075423A CN201611009170.1A CN201611009170A CN108075423A CN 108075423 A CN108075423 A CN 108075423A CN 201611009170 A CN201611009170 A CN 201611009170A CN 108075423 A CN108075423 A CN 108075423A
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- Prior art keywords
- plate
- location hole
- stud
- drainage
- nut
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 14
- 239000010931 gold Substances 0.000 abstract description 14
- 229910052737 gold Inorganic materials 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 238000003916 acid precipitation Methods 0.000 abstract description 9
- 239000004576 sand Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 4
- 230000004083 survival effect Effects 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a kind of novel hydraulic strain clamps, and including tube body, tube body one end is fitted with steel anchor, it is characterized in that：Tube body periphery is connected with drainage stud by fixing sleeve, drainage stud end is installed with plate, further include drainage tube, drainage tube end interval is fixed, and there are two clamping plates, the slot closed with inserting board assembling is equipped between two clamping plates, together with two clamping plates are fixed by positioning device with plate, nut is bolted on stud, the lateral wall of clamping plate and plate is equipped with external screw thread corresponding with nut.Advantageous effect is：Rational in infrastructure, connection is quick, gold utensil contact area is big, connects resistance smaller, and with anti-pollution function, it can prevent sand and dust from entering gold utensil contact surface, reduce the acid rain survival time, gold utensil contact surface burn into degree of aging can effectively be slowed down, service life is helped to improve, extend maintenance period.
Description
Technical field
The present invention relates to novel hydraulic strain clamps.
Background technology
Hydraulic tension-proof wire clip is the conducting wire for the longer extension of fixation, to bear the extension of conducting wire in the longitudinal direction
Power, and conducting wire is hung to the gold utensil in strain insulator-string group or shaft tower.Strain clamp be generally used for conducting wire be laid in corner, continue,
And the connection of terminal.Hydraulic tension-proof wire clip is usually to use in pairs when specifically used.Strain clamp is generally arranged on laying
Conducting wire both ends, can so play the role of stretch conducting wire.Second effect of strain clamp, is exactly that conducting wire both ends are carried out
Electrically connected and transmission.The electric power overhead conducting wire generally used in power industry is all spiral aluminum-clad steel wire, spiral aluminum-clad steel wire
With extremely strong strain insulator intensity, no concentrated stress.It is laid with using hydraulic tension-proof wire clip into row conductor, protection can be played to conducting wire
With the effect of auxiliary vibration damping, it is widely used in power industry general.
Currently used hydraulic tension-proof wire clip generally comprises tube body, and tube body one end is fitted with steel anchor, passes through bolt on tube body
It is fixedly connected with outwardly extending conduction wire clamp.Conventional hydraulic strain clamp is in use, need to arrive the inserting of spiral aluminum-clad steel wire
In tube body, hydraulically tube body, steel anchor, the fixation of spiral aluminum-clad steel wire are crimped onto together, thus connected into three close
Inseparable integral structure.Conduction wire clamp is connected with input lead or output lead, and spiral aluminum-clad steel wire passes through drawing on tube body
The outwards power supply of streamline folder.Conventional hydraulic strain clamp is simple in structure, operation it is also very convenient, be widely used in electric system it is general,
It is disadvantageous in that：1st, conduction wire clamp only realizes conduction wire clamp and tube body by bolt presses on tube body and by pressing force
Electrical connection, therefore there are being loosened after bolt long-time service conduction wire clamp and tube body is caused to be electrically connected bad problem；2nd, drain
There is no any anti-fouler around wire clamp, easily into the gap between conduction wire clamp and tube body, sand and dust make acid for dust storm and acid rain
Rain is greatly prolonged in the gold utensil contact gap retention time, causes contact surface corrosion, oxidation, and contact resistance increase seriously affects electricity
Quality of connection is unfavorable for the operation steady in a long-term of supply line.
The content of the invention
A kind of rational in infrastructure the technical problem to be solved by the present invention is to provide against the above deficiency, connection is quick, gold utensil connects
Contacting surface product is big, connects resistance smaller, and with anti-pollution function, can prevent sand and dust from entering gold utensil contact surface, reduce acid rain survival
Time can effectively slow down gold utensil contact surface burn into degree of aging, help to improve service life, extend the new of maintenance period
Hydraulic tension-proof wire clip.
In order to solve the above technical problems, the utility model hydraulic tension-proof wire clip includes tube body, tube body one end is fitted with steel anchor, ties
Structure feature is：Tube body periphery is connected with the drainage stud set straight down by fixing sleeve, and drainage stud lower face is opposite
The inclined-plane that drainage stud is axially obliquely installed, drainage stud end are installed with vertically arranged plate, and the plate is wheel profile
Shape is the metallic plate of parallelogram, and plate includes affixed upper surface corresponding with inclined-plane, lower face downwards, area most
It is big front face and rear plate face, correspondings connected with drainage stud arc outer wall and extend downwardly the left cambered surface of setting and right cambered surface six
A plate face, left cambered surface and right cambered surface be and drain the corresponding arc surface of stud outer circumferential surface, left cambered surface and right cambered surface be equipped with
The corresponding external screw thread of stud is drained, front face is vertically arranged, and rear plate face is obliquely installed, the spacing between front face and rear plate face
The wide lower part in top is narrow, and lower face is arranged in parallel with inclined-plane, further includes drainage tube, and drainage tube end interval is fixed there are two clamping plate,
The V-arrangement slot for closely inserting cooperation completely with plate is equipped between two clamping plates, the groove bottom of slot is matched somebody with somebody for that can be adjacent to lower face
The outer inclined-plane of conjunction, the upper top surface of two clamping plates is the inclined surface that can be closely fitted with inclined-plane, and two clamping plates and plate pass through positioner
It is fixed together, drains and nut is bolted on stud, the lateral wall of clamping plate and plate is equipped with external screw thread corresponding with nut.
The utility model hydraulic tension-proof wire clip is to realize that can connect quick, gold utensil contacts by fast inserted formula spiro connection structure
Area is big, connects resistance smaller, and with anti-pollution function, can prevent sand and dust from entering gold utensil contact surface, when reducing acid rain survival
Between, it can effectively slow down gold utensil contact surface burn into degree of aging, help to improve service life, extend maintenance period.
Fast inserted formula spiro connection structure mainly includes the plate for inserting cooperation and clamping plate and is screwed onto outside plate and clamping plate
Nut.Wherein, plate is fixed on drainage stud end, and the drainage stud other end is fixed together with tube body, therefore, is inserted
Plate is by draining stud and tube body composition electrical connection namely forming electrical connection with conducting wire.Boards wall, which is mounted on, to be drawn
Flow tube end, drainage tube is the metal tube being electrically connected with output lead or input lead, therefore clamping plate passes through drainage tube and input
Conducting wire or output lead form electrical connection.Obviously, when plate and fished joint after touch, conducting wire will pass through tube body, plate, clamping plate
With drainage tube and input（Output）Conducting wire forms electrical connection, and operation is very simple.In this patent, the quantity of clamping plate is two,
Each clamping plate is a metal plate, and two clamping plate intervals are fixedly mounted on drainage pipe end.Because two clamping plates are arranged at intervals, therefore
A slot, width and the plate consistency of thickness of the slot are formed between two clamping plates.When plate is inserted into slot, on the inside of clamping plate
Wall will tightly fit together with plate two side.Therefore, contact of the plate with clamping plate is contact of the face with face in this patent,
And it is two sets of plane-plane contact structures.For only having the conventional hydraulic strain clamp of a set of plane-plane contact structure, this is specially
Profit has contact surface, the smaller contact resistance of bigger, and the heat that such this patent generates is with regard to less, and transmission line loss is also
Smaller.In this patent, positioner is additionally provided on plate and clamping plate, there are two positioners acts on, and an effect to be
The inserting link of plate and clamping plate is positioned, the two is made to be fixed together and cannot slip after inserting, so also just in machine
Drainage tube and drainage stud are fixed together in tool structure, also drainage tube and tube body are fixed together.Positioner
Second effect is the bonding strength for enhancing plate and clamping plate, makes contact of the plate with clamping plate more reliable namely enhances the two
Electrical connection, the electrical connection for making plate and clamping plate are more reliable.In this patent, drain on stud and be bolted with nut, nut can
To be freely rotated along drainage stud.The outer wall of clamping plate is equipped with external screw thread, also is provided on plate outer wall corresponding with slot both ends
External screw thread, when plate and clamping plate are completely plug-in, the external screw thread on external screw thread and clamping plate end on plate will be formed
One group of complete, coherent external screw thread.For convenience of narration, plate is plugged together with clamping plate completely together with assembly relation be known as group
Conjunction state or inserting state, the external screw thread after this is combined are known as combining external screw thread.In this patent, external screw thread and nut are combined
Corresponding threaded.Obviously, in the assembled state, nut can gradually be screw on combination external screw thread from drainage stud, so
It has the benefit that：First, the contact area of plate and clamping plate can be enhanced by thread fitting, reduce contact resistance, reduce power supply
Line loss；2nd, make plate and clamping plate that there is duplex connecting structure, being i.e. fixedly connected of positioner, the threaded connection of nut,
It greatly strengthens the mechanical coupling strength of plate and clamping plate namely greatly strengthens the bonding strength of drainage tube and tube body；3rd, spiral shell
Mother can play the role of, from outer protection plate and clamping plate, sand and dust being avoided to enter clamping plate and plate gap, are thus shortened
Acid rain also avoids the degree that plate and clamping plate contact surface are corroded, aoxidize in the residence time of clamping plate and plate contact surface,
Help to prolong the service life, extend maintenance period.
In this patent, it is inclined-plane to drain stud lower face, which is that opposite drainage stud is axially obliquely installed
That is, inclined-plane is axial neither vertical also not parallel with drainage stud.It is installed on drainage stud end namely aforementioned chamfers and vertically sets
The plate put, the plate are electrically connected for metallic plate with realizing.Plate is the plate knot that a contour shape is parallelogram
Structure, therefore plate one shares the plate face of front, back, left, right, up, down 6.For convenience of narration, by above-mentioned 6 plate faces be set as with tiltedly
Face corresponds to affixed upper surface, lower face downwards, the front face of area maximum and rear plate face, with draining outside stud arc
Wall, which corresponds to, is connected and extends downwardly the left cambered surface of setting and right cambered surface.In above-mentioned 6 plate faces, only left cambered surface and right cambered surface are
Arc surface, and its arc surface and drainage stud outer circumferential surface natural sparse model transition, on coaxial circular path.In this patent
In, drainage stud, left cambered surface and right cambered surface be equipped with the matched coherent external screw thread of nut, therefore, nut can be from drawing
The smooth turn of stud is flowed to left cambered surface and right cambered surface.In this patent, front face is vertically arranged, and rear plate face is obliquely installed, preceding
The wide lower part in spacing top between plate face and rear plate face is narrow namely V-shaped or wedge-shaped setting.In this patent, foregoing two clamping plate
For unsymmetric structure, that is, a clamping plate madial wall is vertically arranged as front face, another clamping plate madial wall is with after
The same angle of plate face is obliquely installed.In this way, a V-arrangement slot is just formed between two clamping plates, and the slot is just complete with plate
Complete close inserting cooperation.In this patent, lower face is arranged in parallel with inclined-plane, and the groove bottom of slot is also an inclined side
Face, angle of inclination and direction and plate lower face are completely the same, therefore groove bottom can be together with the snug fit of lower face.
In this patent, the upper top surface of two clamping plates is also an inclined surface, and its angle of inclination, direction, area and inclined-plane are completely the same, and three
Person can be closely fitted together.
In conclusion between plate and clamping plate under the positioning action of positioner, plate will be seated in slot, this
When, together with the front face of plate, rear plate face, lower face are all adjacent to the corresponding surface of slot, the left cambered surface and right cambered surface of plate
Together with being adjacent to also by the internal thread of nut with clamping plate outer circumferential surface external screw thread, and the upper top surface of clamping plate is also corresponding with inclined-plane is adjacent to
Together.Therefore, not only relevant connection plate face quantity is more in this patent, and inclined-plane, lower face, groove bottom and upper top surface are all
The inclined surface more larger than vertical butt joint face area, left cambered surface and right cambered surface are the arc surfaces than conventional planar bigger, left cambered surface and
Right cambered surface is even more to realize the connection with nut by the external screw thread of surface area bigger, substantially increases the contact area of connection,
Contact resistance is reduced, makes electrical connection more reliable.
As a kind of realization method, the positioner includes the outer location hole being arranged on two clamping plates, and outer location hole leans on
Nearly drainage tube one side is set, and plate is close to one section of drainage tube equipped with interior location hole corresponding with outer location hole, interior location hole
Positioning pin is fitted with in outer location hole.
In this patent, positioner mainly include be arranged on clamping plate outer location hole, be arranged on it is default on plate
Position hole and the positioning pin being inserted into interior location hole and outer location hole.For convenience of narration, clamping plate is inserted into the side of plate along it
To being divided into two sections, i.e., one section close to drainage tube and one end away from drainage tube, and will be close to drainage tube one section is known as inner segment,
Will be far from drainage tube one section is known as outer section.In this positioner, outer location hole is arranged on clamping plate close to the one of drainage tube
It Duan Shang namely is arranged on inner segment.The external screw thread is arranged in the outer section of clamping plate, and the purpose so set is to be nut to drawing
The precession of flow tube direction sets a limit point, and nut is made to be tightened in the middle part of clamping plate i.e. only.So set can also enable nut with
Clamping plate and plate are screwed together, and have ensured the reliability and stability of three's connection.For convenience of narration, nut is tightened is pressing from both sides
State on plate and plate is known as tight condition.In this positioner, positioning pin is inserted into outer location hole and interior location hole,
Positioning pin not only plays the role of connecting plate with Boards wall in the axial direction, positioning pin also connecing by itself and hole wall
It touches and plate and clamping plate is made to form electrical connection, play the role of auxiliary enhancing clamping plate and plate electrical connection.
As another embodiment, the positioner includes the outer location hole being arranged on two clamping plates, outer location hole
It is set close to drainage tube one side, plate is close to one section of drainage tube equipped with interior location hole corresponding with outer location hole, inserting board
When entering slot, the most distal part of interior location hole drains stud closer to interior location hole and outer positioning than the most distal part distance of outer location hole
Turnbuckle is fitted in hole, turnbuckle includes the fixation hexagonal block bigger than outer location hole, and fixed hexagonal block lower end is installed with
The thick lower end in upper end is thin and can be inserted into the tapered pole of outer location hole and interior location hole, and tapered pole lower end is connected with the screw thread extended downwardly
Column is bolted with tightening nut in threaded post.
The something in common of this positioner and foregoing positioner is not described further in detail again, and one of difference is in fixed at this
In the device of position, in the state of inserting, interior location hole and outer location hole are not what is axially aligned.In this patent, plate is inserted into
During slot, the interior positioning pitch-row part farthest from drainage stud（Hole wall）The part more farthest than outer location hole distance drainage stud
（Hole wall）Distance drainage stud closer to, that is to say, that in insert state, interior location hole and location hole are to misplace in the axial direction
's.Turnbuckle is fitted in interior location hole and outer location hole, what turnbuckle included being fixed together successively from top to bottom consolidates
Determine hexagonal block, tapered pole and threaded post.Wherein, the cross-sectional area of fixed hexagonal block is bigger than outer location hole, can so play
Position-limiting action prevents slip phenomenon.Tapered pole is that upper coarse and lower fine setting namely tubbiness and fixed hexagonal block lower end are affixed
Together, taper end is fixed together with threaded post upper end.Either tapered pole or threaded post can all be inserted into outer location hole and interior
In location hole.Because in the state of inserting, the most distal part of interior location hole than outer location hole most distal part distance drainage stud closer to,
Therefore tapered pole after location hole, can be in contact in insertion with the most distal part of interior location hole.When tightening the tension spiral shell in threaded post
When female, the thick section of tapered pole can be further inserted into interior location hole, at this time tapered pole can internal location hole most distal part implement squeeze
Pressure, while plate will be pulled in slot, and thus playing makes under inserting state that each contact surface is even closer to be connected to one
Role fundamentally ensure that the reliability of this patent electrical connection, effectively prevent fever phenomenon, improve long-term work
Stability.
As an improvement, the drainage stud, plate, clamping plate, drainage tube and nut are made of the metal material of phase same material.
Drainage stud, plate, clamping plate, drainage tube and nut are made of the metal of phase same material, it is ensured that foregoing each
For component when being affected by the external environment, the cold and hot coefficient of expansion is identical, so also it is ensured that the work of this patent under various circumstances
Make characteristic with preferable uniformity.
As an improvement, the nut is two be screwed onto successively on drainage stud.
The quantity of nut is arranged to two, the effect that is spirally connected with plate and clamping plate can be enhanced.For convenience of narration, will lean on
The nut of nearly drainage tube is known as outer nut, and the nut that will be far from drainage tube is known as inner nut.Under tight condition, outer nut is not only
It is limited close to one end of drainage tube be subject to the positioning of male threaded end, the one end of outer nut away from drainage tube also suffers from what is tightened
The positioning limitation of inner nut, therefore outer nut can only be securely fixed and is sleeved on plate and clamping plate, and clamping plate, plate has been effectively ensured
The reliability and stability being fixedly connected with outer nut.
As a kind of preferred embodiment, the positioning pin includes the positioning with interior location hole, the inserting cooperation of outer location hole
Column, positioning column one end are installed with limited block, and the positioning column other end is the thinner circular cone column in end, and circular cone column is equipped with lateral direction penetrating
Conical bore, be fitted with R shape wire clamps in conical bore.
The agent structure of this positioning pin is the positioning column being inserted into outer location hole and interior location hole, the cross section of positioning column
Shape and size are identical with the shape and size of interior location hole and outer location hole, to ensure that positioning column is inserted into interior location hole and outer
Reliable location and reliable electrical connection are implemented to clamping plate and plate after location hole.The inserting paragraph of positioning column is arranged to the thinner circle in end
Column is bored, so can be that the outer location hole of positioning column insertion plays guiding role, be also convenient for the operation of worker.Positioning column one end is set
Limited block is equipped with, is positioned by limited block.Circular cone column is equipped with conical bore, and R shape wire clamps, positioning column are fitted in conical bore
The other end is positioned by R shape wire clamps, ensure that the reliability of positioning and stability of positioning pin.
As an improvement, the interior location hole and outer location hole are round hole, positioning column is installed with circle with limited block convergence part
Conical ring, circular cone ring are less than interior positioning bore dia close to one end outer diameter of interior location hole, and circular cone ring other end outer diameter is more than interior positioning
Bore dia.
In this patent, interior location hole and outer location hole are all round holes, and positioning column is also circle corresponding with outer location hole
Column, so can need not be very convenient to the shape of positive positioning column and outer location hole with regard to that can be done directly the inserting of positioning column.
It is outer according to limited block circular cone column direction insertion downward upward in positioning column after the convergence part of positioning column and limited block sets circular cone ring
When location hole and interior location hole, circular cone ring can play the role of the outer location hole of closure.Because circular cone ring is close to interior location hole
One end outer diameter is more slightly smaller than outer location hole internal diameter, therefore the circular cone ring end can be inserted into outer location hole.And circular cone ring is another
Outer diameter is held to be more than interior positioning bore dia, therefore the circular cone ring other end can only be just stayed in outside outer location hole.In this way, in the middle part of circular cone ring
It just can be completely snapped together with adjacent outer location hole, play the role of the outer location hole of sealing, effectively avoid dust and acid
Rain enters outer location hole, ensure that the reliability of electrical connection.
In conclusion using the novel hydraulic strain clamp of this structure, rational in infrastructure, connection is quick, gold utensil contact surface
Product is big, connects resistance smaller, and has anti-pollution function, can prevent sand and dust from entering gold utensil contact surface, reduce the acid rain survival time,
Gold utensil contact surface burn into degree of aging can effectively be slowed down, service life is helped to improve, extend maintenance period.
Description of the drawings
The present invention is described in further detail with reference to attached drawing：
Fig. 1 is the half-sectional assembling structure schematic diagram of this patent；
Fig. 2 is the assembling structure schematic diagram of plate and clamping plate；
Fig. 3 is the structure diagram of positioner embodiment one；
Fig. 4 is the structure diagram of positioner embodiment two；
Fig. 5 is the structure diagram after Fig. 1 assemblings；
Fig. 6 is this patent using the assembling structure schematic diagram after double nut；
Fig. 7 is the three-dimensional installation diagram of this patent；
Fig. 8 is the three-dimensional installation diagram that Fig. 7 not yet tightens nut；
Fig. 9 is slot and the location diagram of outer inclined-plane.
Specific embodiment
As shown in the figure, the novel hydraulic strain clamp includes tube body 1,1 one end of tube body is fitted with steel anchor 2, and 1 periphery of tube body leads to
It crosses fixing sleeve 3 and is connected with the drainage stud 4 set straight down, stud is axially inclined to be set to drain relatively for drainage stud lower face
The inclined-plane 01 put, 4 end of drainage stud are installed with vertically arranged plate 5, and the plate 5 is that contour shape is parallelogram
Metallic plate, plate 5 include affixed upper surface corresponding with inclined-plane 01, lower face 02 downwards, the foreboard of area maximum
It is face 03 and rear plate face 04, correspondings connected with drainage 4 arc outer wall of stud and extend downwardly the left cambered surface 05 of setting and right cambered surface 06
Six plate faces, left cambered surface and right cambered surface are with draining the corresponding arc surface of stud outer circumferential surface, and left cambered surface and right cambered surface are equipped with
With draining the corresponding external screw thread 10 of stud, front face is vertically arranged, and rear plate face is obliquely installed, between front face and rear plate face
The wide lower part in spacing top is narrow, and lower face is arranged in parallel with inclined-plane, further includes drainage tube 6, there are two 6 end interval of drainage tube is fixed
Clamping plate 7, is equipped with the V-arrangement slot 8 with the completely close inserting cooperation of plate 5 between two clamping plates 7, the groove bottom of slot for can and lower end
The outer inclined-plane 07 that face 02 is closely fitted, the upper top surface of two clamping plates are the inclined surface that can be closely fitted with inclined-plane, two clamping plates 7 and plate
5 are fixed by positioning device together, drain and nut 9 is bolted on stud 4, and the lateral wall of clamping plate 7 and plate 5 is equipped with and spiral shell
Female 9 corresponding external screw threads 10.
The utility model hydraulic tension-proof wire clip mainly includes the plate for inserting cooperation and clamping plate and is screwed onto outside plate and clamping plate
Nut.Wherein, plate is fixed on drainage stud end, and the drainage stud other end is fixed together with tube body, therefore, is inserted
Plate is by draining stud and tube body composition electrical connection namely forming electrical connection with conducting wire.Boards wall, which is mounted on, to be drawn
Flow tube end, drainage tube is the metal tube being electrically connected with output lead or input lead, therefore clamping plate passes through drainage tube and input
Conducting wire or output lead form electrical connection.Obviously, when plate and fished joint after touch, conducting wire will pass through tube body, plate, clamping plate
With drainage tube and input（Output）Conducting wire forms electrical connection, and operation is very simple.In this patent, the quantity of clamping plate is two,
Each clamping plate is a metal plate, and two clamping plate intervals are fixedly mounted on drainage pipe end.Because two clamping plates are arranged at intervals, therefore
A slot, width and the plate consistency of thickness of the slot are formed between two clamping plates.When plate is inserted into slot, on the inside of clamping plate
Wall will tightly fit together with plate two side.Therefore, contact of the plate with clamping plate is contact of the face with face in this patent,
And it is two sets of plane-plane contact structures.For only having the conventional hydraulic strain clamp of a set of plane-plane contact structure, this is specially
Profit has contact surface, the smaller contact resistance of bigger, and the heat that such this patent generates is with regard to less, and transmission line loss is also
Smaller.In this patent, positioner is additionally provided on plate and clamping plate, there are two positioners acts on, and an effect to be
The inserting link of plate and clamping plate is positioned, the two is made to be fixed together and cannot slip after inserting, so also just in machine
Drainage tube and drainage stud are fixed together in tool structure, also drainage tube and tube body are fixed together.Positioner
Second effect is the bonding strength for enhancing plate and clamping plate, makes contact of the plate with clamping plate more reliable namely enhances the two
Electrical connection, the electrical connection for making plate and clamping plate are more reliable.In this patent, drain on stud and be bolted with nut, nut can
To be freely rotated along drainage stud.The outer wall of clamping plate is equipped with external screw thread, also is provided on plate outer wall corresponding with slot both ends
External screw thread, when plate and clamping plate are completely plug-in, the external screw thread on external screw thread and clamping plate end on plate will be formed
One group of complete, coherent external screw thread.For convenience of narration, plate is plugged together with clamping plate completely together with assembly relation be known as group
Conjunction state or inserting state, the external screw thread after this is combined are known as combining external screw thread.In this patent, external screw thread and nut are combined
Corresponding threaded.Obviously, in the assembled state, nut can gradually be screw on combination external screw thread from drainage stud, so
It has the benefit that：First, the contact area of plate and clamping plate can be enhanced by thread fitting, reduce contact resistance, reduce power supply
Line loss；2nd, make plate and clamping plate that there is duplex connecting structure, being i.e. fixedly connected of positioner, the threaded connection of nut,
It greatly strengthens the mechanical coupling strength of plate and clamping plate namely greatly strengthens the bonding strength of drainage tube and tube body；3rd, spiral shell
Mother can play the role of, from outer protection plate and clamping plate, sand and dust being avoided to enter clamping plate and plate gap, are thus shortened
Acid rain also avoids the degree that plate and clamping plate contact surface are corroded, aoxidize in the residence time of clamping plate and plate contact surface,
Help to prolong the service life, extend maintenance period.
In this patent, it is inclined-plane to drain stud lower face, which is that opposite drainage stud is axially obliquely installed
That is, inclined-plane is axial neither vertical also not parallel with drainage stud.It is installed on drainage stud end namely aforementioned chamfers and vertically sets
The plate put, the plate are electrically connected for metallic plate with realizing.Plate is the plate knot that a contour shape is parallelogram
Structure, therefore plate one shares the plate face of front, back, left, right, up, down 6.For convenience of narration, by above-mentioned 6 plate faces be set as with tiltedly
Face corresponds to affixed upper surface, lower face downwards, the front face of area maximum and rear plate face, with draining outside stud arc
Wall, which corresponds to, is connected and extends downwardly the left cambered surface of setting and right cambered surface.In above-mentioned 6 plate faces, only left cambered surface and right cambered surface are
Arc surface, and its arc surface and drainage stud outer circumferential surface natural sparse model transition, on coaxial circular path.In this patent
In, drainage stud, left cambered surface and right cambered surface be equipped with the matched coherent external screw thread of nut, therefore, nut can be from drawing
The smooth turn of stud is flowed to left cambered surface and right cambered surface.In this patent, front face is vertically arranged, and rear plate face is obliquely installed, preceding
The wide lower part in spacing top between plate face and rear plate face is narrow namely V-shaped or wedge-shaped setting.In this patent, foregoing two clamping plate
For unsymmetric structure, that is, a clamping plate madial wall is vertically arranged as front face, another clamping plate madial wall is with after
The same angle of plate face is obliquely installed.In this way, a V-arrangement slot is just formed between two clamping plates, and the slot is just complete with plate
Complete close inserting cooperation.In this patent, lower face is arranged in parallel with inclined-plane, and the groove bottom of slot is also an inclined side
Face, angle of inclination and direction and plate lower face are completely the same, therefore groove bottom can be together with the snug fit of lower face.
In this patent, the upper top surface of two clamping plates is also an inclined surface, and its angle of inclination, direction, area and inclined-plane are completely the same, and three
Person can be closely fitted together.
In conclusion between plate and clamping plate under the positioning action of positioner, plate will be seated in slot, this
When, together with the front face of plate, rear plate face, lower face are all adjacent to the corresponding surface of slot, the left cambered surface and right cambered surface of plate
Together with being adjacent to also by the internal thread of nut with clamping plate outer circumferential surface external screw thread, and the upper top surface of clamping plate is also corresponding with inclined-plane is adjacent to
Together.Therefore, not only relevant connection plate face quantity is more in this patent, and inclined-plane, lower face, groove bottom and upper top surface are all
The inclined surface more larger than vertical butt joint face area, left cambered surface and right cambered surface are the arc surfaces than conventional planar bigger, left cambered surface and
Right cambered surface is even more to realize the connection with nut by the external screw thread of surface area bigger, substantially increases the contact area of connection,
Contact resistance is reduced, makes electrical connection more reliable.
In the present embodiment, the positioner includes the outer location hole 11 being arranged on two clamping plates, and outer location hole is close
Drainage tube one side is set, and plate is close to one section of drainage tube equipped with interior location hole 12 corresponding with outer location hole, interior location hole
With positioning pin 13 is fitted in outer location hole.In this patent, positioner mainly include being arranged on outer location hole on clamping plate,
The interior location hole being arranged on plate and the positioning pin being inserted into interior location hole and outer location hole.For convenience of narration, will press from both sides
Plate inserts the direction of plate along it and is divided into two sections, i.e., one section of close drainage tube and one end of separate drainage tube, and will be close to draw
One section of flow tube is known as inner segment, and will be far from drainage tube one section is known as outer section.In this positioner, outer location hole is arranged on
Clamping plate is on one section of drainage tube namely is arranged on inner segment.The external screw thread is arranged in the outer section of clamping plate, is so set
Purpose be that nut sets a limit point to the precession of drainage tube direction, nut is made to be tightened in the middle part of clamping plate and is stopped.So set
Putting can also enable nut to be screwed together with clamping plate and plate, ensure the reliability and stability of three's connection.For convenience
Narration, the state that nut is tightened on clamping plate and plate are known as tight condition.In this positioner, positioning pin is inserted into outer
In location hole and interior location hole, positioning pin not only plays the role of connecting plate with Boards wall in the axial direction, positioning pin
Also by itself contact with hole wall plate and clamping plate is made to form electrical connection, play auxiliary enhancing clamping plate and plate electrical connection
Effect.
In actual production, positioner can also use following structures.The positioner includes being arranged on two clamping plates 7
On outer location hole 11, outer location hole sets close to drainage tube one side, plate close to one section of drainage tube 6 equipped with and outer positioning
The corresponding interior location hole 12 in hole, when plate 5 is inserted into slot, the most distal part of interior location hole is drained than the most distal part distance of outer location hole
Stud is closer to being fitted with turnbuckle 08, turnbuckle includes the fixation bigger than outer location hole in interior location hole and outer location hole
Hexagonal block 09, fixed hexagonal block lower end are installed with the thick lower end in upper end carefully and can be inserted into the tapered pole of outer location hole and interior location hole
010, tapered pole lower end is connected with the threaded post 011 extended downwardly, and tightening nut 012 is bolted in threaded post.
The something in common of this positioner and foregoing positioner is not described further in detail again, and one of difference is in fixed at this
In the device of position, in the state of inserting, interior location hole and outer location hole are not what is axially aligned.In this patent, plate is inserted into
During slot, the interior positioning pitch-row part farthest from drainage stud（Hole wall）The part more farthest than outer location hole distance drainage stud
（Hole wall）Distance drainage stud closer to, that is to say, that in insert state, interior location hole and location hole are to misplace in the axial direction
's.Turnbuckle is fitted in interior location hole and outer location hole, what turnbuckle included being fixed together successively from top to bottom consolidates
Determine hexagonal block, tapered pole and threaded post.Wherein, the cross-sectional area of fixed hexagonal block is bigger than outer location hole, can so play
Position-limiting action prevents slip phenomenon.Tapered pole is that upper coarse and lower fine setting namely tubbiness and fixed hexagonal block lower end are affixed
Together, taper end is fixed together with threaded post upper end.Either tapered pole or threaded post can all be inserted into outer location hole and interior
In location hole.Because in the state of inserting, the most distal part of interior location hole than outer location hole most distal part distance drainage stud closer to,
Therefore tapered pole after location hole, can be in contact in insertion with the most distal part of interior location hole.When tightening the tension spiral shell in threaded post
When female, the thick section of tapered pole can be further inserted into interior location hole, at this time tapered pole can internal location hole most distal part implement squeeze
Pressure, while plate will be pulled in slot, and thus playing makes under inserting state that each contact surface is even closer to be connected to one
Role fundamentally ensure that the reliability of this patent electrical connection, effectively prevent fever phenomenon, improve long-term work
Stability.
The drainage stud, plate, clamping plate, drainage tube and nut are made of the metal material of phase same material.Spiral shell will be drained
Column, plate, clamping plate, drainage tube and nut are made of the metal of phase same material, it is ensured that former components are by external environment
During influence, the cold and hot coefficient of expansion is identical, so also it is ensured that the working characteristics of this patent has preferably under various circumstances
Uniformity.
In this patent, the nut is two be screwed onto successively on drainage stud.The quantity of nut is arranged to
Two, the effect that is spirally connected with plate and clamping plate can be enhanced.For convenience of narration, the nut that will be close to drainage tube is known as outer nut,
The nut that will be far from drainage tube is known as inner nut.Under tight condition, outer nut is not only subject to outer spiral shell close to one end of drainage tube
The positioning limitation of line end, the one end of outer nut away from drainage tube also suffers from the positioning limitation for the inner nut tightened, because in addition
Nut can only be securely fixed and is sleeved on plate and clamping plate, clamping plate has been effectively ensured, plate be fixedly connected with outer nut it is reliable
Property and stability.
In the present embodiment, the positioning pin includes the positioning column 14 with interior location hole, the inserting cooperation of outer location hole, positioning
Column one end is installed with limited block 15, and the positioning column other end is the thinner circular cone column 16 in end, and circular cone column is equipped with lateral direction penetrating
Conical bore 17 is fitted with R shapes wire clamp 18 in conical bore.The agent structure of this positioning pin is to be inserted into outer location hole and interior location hole
In positioning column, the cross-sectional shape and size of positioning column are identical with the shape and size of interior location hole and outer location hole, with protect
Card positioning column implements reliable location and reliable electrical connection after inserting into interior location hole and outer location hole to clamping plate and plate.Positioning column
Inserting paragraph be arranged to the thinner circular cone column in end, so can be that positioning column is inserted into outer location hole and play guiding role, also just
Worker operation.Positioning column one end is provided with limited block, is positioned by limited block.Circular cone column is equipped with conical bore,
R shape wire clamps are fitted in conical bore, the positioning column other end is positioned by R shape wire clamps, ensure that the positioning of positioning pin is reliable
Property and stability.
The interior location hole and outer location hole are round hole, and positioning column is installed with circular cone ring 19 with limited block convergence part, circle
Conical ring is less than interior positioning bore dia close to one end outer diameter of interior location hole, and circular cone ring other end outer diameter is more than interior positioning bore dia.
In this patent, interior location hole and outer location hole are all round holes, and positioning column is also cylinder corresponding with outer location hole, so may be used
With need not be very convenient to the shape of positive positioning column and outer location hole with regard to the inserting of positioning column can be done directly.In positioning column and
After the convergence part of limited block sets circular cone ring, positioning column according to limited block upward circular cone column downward direction be inserted into outer location hole with
During interior location hole, circular cone ring can play the role of the outer location hole of closure.Because circular cone ring is close to one end outer diameter of interior location hole
It is more slightly smaller than outer location hole internal diameter, therefore the circular cone ring end can be inserted into outer location hole.And circular cone ring other end outer diameter is big
In interior positioning bore dia, therefore the circular cone ring other end can only be just stayed in outside outer location hole.It in this way, just can be with phase in the middle part of circular cone ring
Adjacent outer location hole is snapped together completely, plays the role of the outer location hole of sealing, effectively avoids dust and acid rain outside
Location hole ensure that the reliability of electrical connection.
Claims (7)
1. a kind of novel hydraulic strain clamp, including tube body（1）, tube body（1）One end is fitted with steel anchor（2）, it is characterized in that：Tube body
（1）Periphery passes through fixing sleeve（3）It is connected with the drainage stud set straight down（4）, drainage stud lower face is opposite drainage
The inclined-plane that stud is axially obliquely installed（01）, drain stud（4）End is installed with vertically arranged plate（5）, the plate（5）
For the metallic plate that contour shape is parallelogram, plate（5）Including with inclined-plane（01）Corresponding affixed upper surface, downwards
Lower face（02）, area maximum front face（03）With rear plate face（04）And drainage stud（4）Arc outer wall correspond to be connected and
Extend downwardly the left cambered surface of setting（05）With right cambered surface（06）Six plate faces, left cambered surface and right cambered surface are with draining stud outer circumferential surface
Corresponding arc surface, left cambered surface and right cambered surface are equipped with draining the corresponding external screw thread of stud（10）, front face sets vertically
It puts, rear plate face is obliquely installed, and the wide lower part in spacing top between front face and rear plate face is narrow, and lower face is arranged in parallel with inclined-plane,
Further include drainage tube（6）, drainage tube（6）End interval is fixed, and there are two clamping plates（7）, two clamping plates（7）Between be equipped with and plate（5）
The V-arrangement slot of completely close inserting cooperation（8）, the groove bottom of slot is energy and lower face（02）The outer inclined-plane of snug fit
（07）, the upper top surface of two clamping plates is can be with the inclined surface of inclined-plane snug fit, two clamping plates（7）And plate（5）Pass through positioner
It is fixed together, drains stud（4）On be bolted with nut（9）, clamping plate（7）And plate（5）Lateral wall be equipped with and nut（9）
Corresponding external screw thread（10）.
2. novel hydraulic strain clamp as described in claim 1, it is characterized in that：The positioner includes being arranged on two clamping plates
（7）On outer location hole（11）, outer location hole（11）Close to drainage tube（6）One side is set, plate（5）Close to drainage tube（6）'s
One section is equipped with and outer location hole（11）Corresponding interior location hole（12）, interior location hole（12）With outer location hole（11）Inside it is fitted with
Positioning pin（13）.
3. novel hydraulic strain clamp as described in claim 1, it is characterized in that：The positioner includes being arranged on two clamping plates
（7）On outer location hole（11）, outer location hole（11）Close to drainage tube（6）One side is set, plate（5）Close to drainage tube（6）'s
One section is equipped with and outer location hole（11）Corresponding interior location hole（12）, when plate is inserted into slot, the most distal part ratio of interior location hole
The most distal part distance drainage stud of outer location hole is closer to interior location hole（12）With outer location hole（11）Inside it is fitted with turnbuckle
（08）, turnbuckle include the fixation hexagonal block bigger than outer location hole（09）, fixed hexagonal block lower end is installed with the thick lower end in upper end
It is thin and the tapered pole of outer location hole and interior location hole can be inserted into（010）, tapered pole lower end is connected with the threaded post extended downwardly
（011）, tightening nut is bolted in threaded post（012）.
4. novel hydraulic strain clamp as claimed in claim 2, it is characterized in that：The drainage stud（4）, plate（5）, clamping plate
（7）, drainage tube（6）And nut（9）It is made of the metal material of phase same material.
5. novel hydraulic strain clamp as claimed in claim 4, it is characterized in that：The nut（9）It is to be screwed onto to draw successively
Flow stud（4）On two.
6. novel hydraulic strain clamp as claimed in claim 5, it is characterized in that：The positioning pin（13）Including with interior location hole
（12）, outer location hole（11）Insert the positioning column of cooperation（14）, positioning column（14）One end is installed with limited block（15）, positioning column
（14）The other end is the thinner circular cone column in end（16）, circular cone column（16）It is equipped with the conical bore of lateral direction penetrating（17）, conical bore
（17）Inside it is fitted with R shape wire clamps（18）.
7. novel hydraulic strain clamp as claimed in claim 6, it is characterized in that：The interior location hole（12）With outer location hole
（11）For round hole, positioning column（14）With limited block（15）Convergence part is installed with circular cone ring（19）, circular cone ring（19）Close to default
Position hole（12）One end outer diameter be less than interior location hole（12）Diameter, circular cone ring（19）Other end outer diameter is more than interior location hole（12）Directly
Footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009170.1A CN108075423A (en) | 2016-11-16 | 2016-11-16 | Novel hydraulic strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009170.1A CN108075423A (en) | 2016-11-16 | 2016-11-16 | Novel hydraulic strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108075423A true CN108075423A (en) | 2018-05-25 |
Family
ID=62162947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009170.1A Withdrawn CN108075423A (en) | 2016-11-16 | 2016-11-16 | Novel hydraulic strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108075423A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202405721U (en) * | 2011-12-08 | 2012-08-29 | 湖州泰仑电力器材有限公司 | Strain clamp |
| CN104821529A (en) * | 2015-05-08 | 2015-08-05 | 国网辽宁省电力有限公司盘锦供电公司 | Tension drainage wire connecting clamp |
| CN204696613U (en) * | 2015-07-06 | 2015-10-07 | 国网山东省电力公司潍坊供电公司 | Novel hydraulic strain clamp |
| CN205429651U (en) * | 2015-11-09 | 2016-08-03 | 国网浙江省电力公司岱山县供电公司 | Strain clamp |
-
2016
- 2016-11-16 CN CN201611009170.1A patent/CN108075423A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202405721U (en) * | 2011-12-08 | 2012-08-29 | 湖州泰仑电力器材有限公司 | Strain clamp |
| CN104821529A (en) * | 2015-05-08 | 2015-08-05 | 国网辽宁省电力有限公司盘锦供电公司 | Tension drainage wire connecting clamp |
| CN204696613U (en) * | 2015-07-06 | 2015-10-07 | 国网山东省电力公司潍坊供电公司 | Novel hydraulic strain clamp |
| CN205429651U (en) * | 2015-11-09 | 2016-08-03 | 国网浙江省电力公司岱山县供电公司 | Strain clamp |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190411 Address after: 261021 No. 425 Dongfeng West Street, Weicheng District, Weifang City, Shandong Province Applicant after: State Grid Shandong Electric Power Company Weifang Power Supply Company Applicant after: State Grid Corporation of China Address before: 261041 No. 8221 Dongfeng East Street, Weifang City, Shandong Province Applicant before: Liu Weihua |
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| TA01 | Transfer of patent application right | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180525 |
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| WW01 | Invention patent application withdrawn after publication |