CN104934729B - Service cable connecting assembly apparatus and usage method thereof - Google Patents
Service cable connecting assembly apparatus and usage method thereof Download PDFInfo
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- CN104934729B CN104934729B CN201510279419.XA CN201510279419A CN104934729B CN 104934729 B CN104934729 B CN 104934729B CN 201510279419 A CN201510279419 A CN 201510279419A CN 104934729 B CN104934729 B CN 104934729B
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- sleeve pipe
- cable
- bayonet lock
- locating ring
- tube chamber
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- 238000000034 method Methods 0.000 title claims abstract description 15
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- 230000004323 axial length Effects 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 20
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Abstract
The invention relates to a service cable connecting assembly apparatus and a usage method thereof. The apparatus comprises a sleeve and block pins, the upper end surface of each block pin is an inclined plane, the lower plane is provided with an arc groove extending in the length direction, the radius of curvature of the arc groove is no less than the radius of a cable, an end surface of one end of the block pin is provided with an axial threaded hole, the axial length of the inclined plane portion of the upper end surface of the block pin is no less than the axial length of the sleeve, the maximum internal diameter of the sleeve is greater than or equal to twice of the sum of the height of the axial central position of the inclined plane portion of the upper end surface of the block pin and the diameter of the cable, an end surface of one end of the block pin, corresponding to the lowest end of the inclined plane of the upper end surface, penetrates through a cavity of the sleeve face to face, the arc grooves at the lower end surfaces of the block pins are respectively matched with an outer wall of the cable, the inclined planes of the two block pins are finally in contact fit, the block pins are made of aluminum materials, the sleeve is made of copper materials, and an outer wall of the sleeve is provided with an insulating layer. According to the apparatus and the usage method thereof, the assembling is convenient, the connection is firm, the deformation of the cable is small, and the reliability and stability of the power transmission performance of a cable connecting position can be guaranteed.
Description
Technical field
The present invention relates to electric power system low-voltage distribution equipment field, specifically one kind are for low pressure service conductor cable even
The assembly apparatus connecing.
Background technology
Low-voltage distributing line, is mainly used in the electric energy of electrical equipment is directly distributed, its circuit mainly realizes 10kV transformation
The connection of device platform, box type transformer and low-voltage customer electrical equipment, completes electric energy distribution.In general, service conductor refers to frame
In overhand lines and User support thing, first supports one section of circuit between point.Low pressure service conductor refer to by 0.4kV and its with
Lower low-voltage power line is to one section of circuit of user first holder.In 380V/220V low-voltage distribution system, it is installed on resident
Electric power meter case in cell is the final equipment realizing electric energy distribution.
In electric power system fault reports for repairment, the electricity that causes because of reasons such as Electricity customers overload electricity consumption or public system zero-line failures
Can metering box burnout phenomenon happen occasionally.Current processing method is to change the electrical energy metering tank of fault.Its routine operation
Program is first the low pressure public domain belonging to fault electrical energy metering tank to have a power failure, the electrical energy metering tank of pending fault change after finishing again by
Level power transmission, finally restores electricity.In view of this way can cause large-scale power delivery termination, make to the good service of power supply enterprise
Become larger negative effect.In order to reduce the power failure range processing above-mentioned fault, current maintainer can select in client's service conductor
Correct position on line disconnection, only the electrical energy metering tank breaking down is had a power failure.Pending fault equipment be disposed after again
Carry out the breakpoint joint of service conductor using low pressure service conductor cable connecting device.
The low pressure service conductor cable connecting device using at present is that forcipressure as shown in Figure 1 connects, and it realizes connection
Agent structure is sleeve 1, the cable 10 of connection is each passed through the tube chamber of sleeve pipe 1 and guarantees that the termination of cable 10 reserves
2cm about after length, pressure is applied to the outer wall of sleeve pipe 1 by a kind of special vice, makes sleeve pipe 1 by the detent projection on jaw
Outer wall indent, ultimately forms multiple grooves of interruption, and corresponding to the groove location of pressure junction, cable produces flexural deformation and phase
Mutually it is fitted together to.In order to ensure reliability, the stability of the transmission performance at junction point, the flexural deformation of cable should not be made excessive, pressure
Contact groove is too deep, and the cable therefore being connected using forcipressure connected mode crimping easily loosely or because of bending at junction point
The problems such as junction point that transition causes is overheated, secondary fault occurs repeatedly.
In addition to using said apparatus, inspection personnel also can adopt " connection of single cord winding method ", " the stranded conductor method of plant propagation with cutting
The various ways such as connection ", " special-shaped and hook wire clamp connects ", " aluminum hook wire clamp connects ", " penetrating cable clamp connection ", will break down
Electrical energy metering tank again access electrical network, restore electricity.This described several cable connected mode, easily occur crimping loosely, therefore
The problems such as barrier point is overheated, fault occurs repeatedly, specially：(1) wire winding, grafting etc. are directly connected to mode, in operation will
Derivation line is wound around must closely, neatly；Stranded conductor connects stubble using stock each during grafting should be on the same plane of wire；Joint
Resistance should be not more than the wiring standard such as 90% of traverse calculation pull-off force；(2) using simultaneously hook wire clamp, penetrating cable clamp connection side
Formula, requires service precision to be not less than the vernier caliper measurement of 0.1mm in operation；Overlap, burr and the surface occurring after crimping
Damage is answered filing and is used coated abrasive working；In wire clamp crimping lead wire must arrange tight, neat；After crimping, wire clamp flexibility must not be big
In 2% grade wire clamp connection standard.In view of strict connection request, by weather, temperature, illumination, fault in practical operation
The impact of the external factor such as reason time sigma compactness, easily appearance winding is unreal for the connection of service conductor cable, it is nonstandard to connect stubble, crimping is not tight
Close the problems such as.
Content of the invention
Realize not enough present in connection procedure for the current low pressure service conductor cable connecting device adopting, the present invention carries
Supply a kind of service conductor cable coupling assembly device, it can guarantee cable is caused little deformation while realizing and firmly connecting
Amount is it is ensured that the reliability of the transmission performance of cable connection, stability.
The present invention solves its technical problem and is adopted the technical scheme that：A kind of service conductor cable coupling assembly device, including
Sleeve pipe and two bayonet locks；Described bayonet lock is strip shape body, and its upper surface is inclined-plane, in the position of center line setting of lower end plane width
The arcuate groove extending along its length and the radius of curvature of described arcuate groove are not less than the radius of cable；In described bayonet lock upper end
One end end face center setting axial threaded hole corresponding to the most significant end on face inclined-plane；The axial direction of described bayonet lock upper surface chamfered portion
Length is not less than the axial length of described sleeve pipe；The axial centre position height of described bayonet lock upper surface chamfered portion is straight with cable
Two times of footpath sum are not less than the maximum inner diameter of described sleeve pipe；The least significant end on the upper surface inclined-plane of two described bayonet locks is made during assembling
Corresponding one end end face interts the tube chamber into described sleeve pipe in opposite directions, and make the arcuate groove of bayonet lock lower surface respectively with single line cable
Outer wall coordinates, and so that the contact of incline plane of two described bayonet locks is coordinated；Described bayonet lock is adopted aluminum material and is made, and described sleeve pipe adopts copper
Material is made and the outer wall in described sleeve pipe arranges insulating barrier.
Further, the tube chamber of described sleeve pipe is circular cavity, and the axial centre position of described bayonet lock upper surface chamfered portion is high
Degree and two times of lumen diameters not less than described sleeve pipe of cable diameter sum；The two side of described bayonet lock and the pipe of described sleeve pipe
Cavity wall is engaged.
Further, the tube chamber of described sleeve pipe is oval chamber, the axial centre position of described bayonet lock upper surface chamfered portion
Highly it is not less than the oval chamber major axis of described sleeve pipe to internal diameter with two times of cable diameter sum；The two side of described bayonet lock with
The short axial contact internal walls cooperation of the tube chamber of described sleeve pipe.
Further, the tube chamber of described sleeve pipe is the concave surface of the upper and lower end face respectively semicircular arc of rectangular body cavity and cavity
And the diameter of this semicircular arc is not less than the diameter of cable；The width of described bayonet lock is consistent with the width of rectangular body cavity；Described card
The axial centre position height of pin upper surface chamfered portion is not less than the height of described rectangular body cavity with two times of cable diameter sum
Degree H.
Further, the tooth that super inclined-plane ascent direction tilts is arranged on the upper surface inclined-plane of described bayonet lock.
Further, two locating rings and two limit plugs are also included；The profile of described limit plug and the ring of described locating ring
Chamber is consistent；Locating ring described in two is respectively fixedly connected with the two ends in described sleeve pipe, the ring cavity of described locating ring and sleeve pipe
Tube chamber communicates and locating ring ring cavity central axis is axially coincident with sleeve pipe tube chamber；The ring cavity maximum radial dimension of described locating ring is big
In the tube chamber maximum radial dimension of described sleeve pipe, less than the maximum radial dimension of the outer wall of described sleeve pipe；Outside described locating ring
The maximum radial dimension of wall and smallest radial size correspond respectively to and be all higher than described sleeve pipe outer wall maximum radial dimension and
Smallest radial size；It is symmetrical with vertical residing for described sleeve pipe axis, the inwall of described locating ring is correspondingly arranged straight line
The gathering sill of type, makes the horizontal center line vertically upward of described gathering sill and the axis of sleeve pipe exist together a horizontal plane；Described
The bottom land setting radial direction through hole of gathering sill；Corresponding to the gathering sill on described locating ring, the outer wall of described limit plug is arranged
Linear guide ledges；The bottom land setting radial direction through hole of corresponding described gathering sill, sets in the radial end face of described guide ledges
Put radial screw bore；The through hole of two axial directions is additionally provided with described limit plug, makes the axis of described axially extending bore be in described set
In vertical residing for pipe axis, and the aperture of described axially extending bore is not less than the external diameter of cable；Described locating ring passes through its footpath
It is fixedly connected to through hole with the radial screw bore bolt of described limit plug.After assembly connection, the termination of both threads cable is each passed through
On two limit plugs, axis is in two axially extending bores in same level, the guide ledges of limit plug and the gathering sill of locating ring
It is engaged and relative localization ring interior promotion limit plug makes the radial direction through hole on locating ring and the radial screw bore on limit plug
Corresponding, then with bolt, limit plug is fixedly connected with locating ring.
Further, the profile of described locating ring and the equal ovalize of ring cavity；Make the long axial dimension of ring cavity of described locating ring
More than the height H of the rectangular body cavity of sleeve pipe, the ring cavity short axial size of described locating ring is more than the rectangular body cavity width of sleeve pipe；Dress
After joining in same radial section, the elliptical center of described locating ring is overlapped with the elliptical center of described sleeve pipe, and described positioning
The ring cavity area of ring is less than the oval in outline area of described sleeve pipe, and the oval in outline area of described sleeve pipe is less than described locating ring
Oval in outline area.
The using method of described service conductor cable coupling assembly device：
When not increasing locating ring and limit plug,
(1), before assembling, coat vaseline with the termination of alcohol washes both threads cable and in cable appearance, complete to cable
Cleaning, lubrication prepare；
(2) clear up the tube chamber of sleeve pipe with steel brush, complete the deoxidation film to sleeve pipe tube chamber and so that sleeve pipe tube chamber cavity wall is formed
Matsurface prepares；
(3), after steel brush has cleared up sleeve pipe tube chamber, electric power compound electric is coated on the concave surface of the two halves circular arc of sleeve pipe tube chamber
Fat；
(4) clear up groove face and the inclined-plane of the arcuate groove of two bayonet locks with steel brush, complete deoxidation film and make groove face and scarf
Become the preparation of matsurface；
(5), cleared up arcuate groove groove face and the inclined-plane of bayonet lock with steel brush after, in the cambered surface of arcuate groove, coating electric power is combined
Electric fat；
(6) both threads cable is penetrated by the two-port of sleeve pipe respectively, and make the relatively each self-corresponding sleeve pipe in termination of cable
Another port extends outward certain surplus；
(7) the axial thread in the hole in described bayonet lock connects a bolt respectively, and then holding bolt makes the inclined-plane phase of two bayonet locks
To being penetrated by the two-port of sleeve pipe respectively, so that both threads cable is placed in the arcuate groove of the corresponding bayonet lock of difference simultaneously；
(8) axially opposite power is being applied respectively to two bayonet locks, during two bayonet lock threading tube chambers, by two
The corresponding relation of bolt constantly regulate two bayonet lock of bayonet lock end, makes the projection in the horizontal plane of the inclined surface of bayonet lock overlap；
(9) treat that the axial centre of the axial centre facing sleeve of two bayonet lock upper surface chamfered portions has 2mm to the left and to the right
To 4mm about skew when stop to bayonet lock effect axial force, take off the bolt being connected in bayonet lock termination；
(10) cut off certain surplus termination that the relatively each self-corresponding sleeve port of cable extends outward；
(11) phase line according to connection cables or zero line, live wire, the difference of ground wire, in this service conductor cable coupling assembly dress
Put the insulation fluorescent paint that green, redness, yellow or white are smeared in outer differentiation.
When increasing locating ring and limit plug, sleeve pipe and locating ring have been processed into an entirety, as requested as processing
A good workpiece uses.
(1), before assembling, coat vaseline with the termination of alcohol washes both threads cable and in cable appearance, complete to cable
Cleaning, lubrication prepare；
(2) clear up the tube chamber of sleeve pipe with steel brush, complete the deoxidation film to sleeve pipe tube chamber and so that sleeve pipe tube chamber cavity wall is formed
Matsurface prepares；
(3), after steel brush has cleared up sleeve pipe tube chamber, electric power compound electric is coated on the concave surface of the two halves circular arc of sleeve pipe tube chamber
Fat；
(4) clear up groove face and the inclined-plane of the arcuate groove of two bayonet locks with steel brush, complete deoxidation film and make groove face and scarf
Become the preparation of matsurface；
(5), cleared up arcuate groove groove face and the inclined-plane of bayonet lock with steel brush after, in the cambered surface of arcuate groove, coating electric power is combined
Electric fat；
(6) both threads cable is penetrated by the two-port of sleeve pipe respectively, and make the relatively each self-corresponding sleeve pipe in termination of cable
Another port extends outward certain surplus；
(7) the axial thread in the hole in described bayonet lock connects a bolt respectively, and then holding bolt makes the inclined-plane phase of two bayonet locks
To being penetrated by the two-port of sleeve pipe respectively, so that both threads cable is placed in the arcuate groove of the corresponding bayonet lock of difference simultaneously；
(8) axially opposite power is being applied respectively to two bayonet locks, during two bayonet lock threading tube chambers, by two
The corresponding relation of bolt constantly regulate two bayonet lock of bayonet lock end, makes the projection in the horizontal plane of the inclined surface of bayonet lock overlap；
(9) treat that the axial centre of the axial centre facing sleeve of two bayonet lock upper surface chamfered portions has 2mm to the left and to the right
To 4mm about skew when stop to bayonet lock effect axial force, take off the bolt being connected in bayonet lock termination；
(10) cut off certain surplus termination that the relatively each self-corresponding sleeve port of cable extends outward；
(11) make two limit plugs correspond to locating ring respectively, and the guide ledges of limit plug are contacted with the gathering sill of locating ring
Limit plug is promoted to make the radial direction through hole on locating ring corresponding with the radial screw bore on limit plug in relative localization ring after cooperation,
Then with bolt, limit plug is fixedly connected with locating ring；
(12) phase line according to connection cables or zero line, live wire, the difference of ground wire, in this service conductor cable coupling assembly dress
Put the insulation fluorescent paint that green, redness, yellow or white are smeared in outer differentiation.
The above-mentioned use with regard to the present invention, is the explanation specific to certain above-mentioned optimization form, for other forms,
Can be used for reference according to the difference of concrete structure when using and quote some above-mentioned operating procedures, be made accordingly according to difference simultaneously
Reconcile, several steps of particularly above-mentioned preparation operation, great majority operation is respectively provided with versatility.
The invention has the beneficial effects as follows：Its using wedge shape pressing form achieve the connection to cable, by bayonet lock with
The contact surface of cable arranges linear arcuate groove and supporting sleeve pipe luminal structure, anticipates the state between mating surface,
Connection procedure is guided, improves and while simple operation, reduce the bending shadow because of thrust, cable being caused in connection procedure
Ring, at utmost reduce the difference between link position electric conductivity and cable electric conductivity itself after connection；Meanwhile, by difference
Flatulence of heat type difference between conductive material, the voluntarily compression in realizing using, improves connection reliability further；Particularly will cover
After the tube chamber of pipe is designed as rectangular body cavity and makes upper and lower Cavity surface be in semicircular arc groove, the inclusion face contact assembling shape of semicircular arc
Formula, so that mating surface between cable and sleeve pipe, cable and bayonet lock increases and completes radially fixed simultaneously, makes connection more firm, and
There is not radially sliding position each other, it is to avoid the lower junction of external force shake, because radially sliding percussion electric spark, contact overheated
Etc. secondary fault；The type of attachment of the face contact of arc, will not make cable cause table because of compression in guarantee connectivity robustness simultaneously
Face indent or excessive overall radial buckling phenomenon；After increased locating ring and limit plug, by locating ring is fixed on set
The two ends of pipe simultaneously limit plug are fixedly mounted in locating ring, allow the interior transverse plane of limit plug and the left side of bayonet lock, the right side simultaneously
End contact, realize the restriction of axial location to bayonet lock, prevents in application process because of assembling or mismachining tolerance is excessive causes
Bayonet lock axle is moved out phenomenon, lifts the reliability that cable is connected further.In a word, the present invention can realize convenient assembling with
Guarantee to cause little deflection to cable it is ensured that the reliability of the transmission performance of cable connection, stable while firmly connection
Property.
Brief description
Fig. 1 is that existing forcipressure connects cased view；
Fig. 2 is the main structure diagram of embodiment of the present invention one；
A kind of left view structural representation when Fig. 3 is bayonet lock in embodiment one, cable is loaded in sleeve pipe；
Another kind of left view structural representation when Fig. 4 is bayonet lock in embodiment one, cable is loaded in sleeve pipe；
Fig. 5 is a kind of structural representation of middle sleeve of the present invention；
Fig. 6 is left view structural representation when bayonet lock and cable are assemblied in sleeve pipe shown in Fig. 5；
Fig. 7 is to correspond to shown in Fig. 5 during sleeve pipe tube chamber in the present invention, the structural representation of bayonet lock, and 7.1 is left view, 7.2
Based on pseudosection, 7.3 be upward view；
Fig. 8 is the view of bayonet lock engaging in the present invention；
Fig. 9 is the main structure diagram of embodiment of the present invention two；
Figure 10 is left view structural representation under embodiment two for the present invention；
Figure 11 is the structural representation of limit plug in embodiment two, and 11.1 is main view semi-cutaway, and 11.2 is A-A in 11.1
To profile, 11.3 top plan view；
Figure 12 is the structural representation after locating ring in embodiment two and sleeve pipe assembling, and 12.1 is main view semi-cutaway,
12.2 is B-B direction profile in 12.1,12.3 top plan view；
Figure 13 be two time locating rings of embodiment and limit plug in ellipticity when structural representation；
In figure：1 sleeve pipe, 2 bayonet locks, 21 arcuate grooves, 22 axial threaded hole, 3 locating rings, 31 gathering sills, 32 radial direction through hole, 4
Limit plug, 41 axially extending bores, 42 guide ledges, 43 radial screw bore, 10 cables.
Specific embodiment
For ease of understanding the technology contents of the present invention, just combine drawings and Examples below and its technical scheme is made further
Explanation.
Embodiment one：
Service conductor cable coupling assembly device as shown in Fig. 2, Fig. 5 to Fig. 7, that includes the set that a copper material is made
The bayonet lock 2 that pipe 1 and two aluminum materials are made, arranges insulating barrier in the outer wall of described sleeve pipe 1.
As Fig. 2 and Fig. 7 show the structural representation of bayonet lock 2, bayonet lock 2 shown in figure is strip shape body, and its upper surface is certainly
Inclined-plane that from left to right the is gradually lowered and most significant end (left end in Fig. 7) on inclined-plane is at regular intervals apart from left side, so that bayonet lock 2
Upper surface formed cascaded surface.At the center (i.e. along sagittal straight central in Fig. 7) of described bayonet lock 2 lower end plane, edge is set
Arcuate groove 21 that its length direction (left and right to) extends and the radius of curvature of described arcuate groove 21 are equal to the radius of cable 10.Institute
State one end end face center setting axial threaded hole 22 (i.e. bayonet lock 2 shown in Fig. 7 corresponding to most significant end on bayonet lock 2 upper surface inclined-plane
Left end).Axial direction (left and right is to the straight line) length of described bayonet lock 2 upper surface chamfered portion is more than the axial length of described sleeve pipe 1,
Difference can control in the range of 3mm to 5mm.
As shown in Figure 5, Figure 6, the elliptical in its outer shape of described sleeve pipe 1, the tube chamber of described sleeve pipe 1 is rectangular body cavity and this length
The diameter of concave surface and this semicircular arc that the upper and lower end face of cube chamber cavity is respectively semicircular arc is equal to the diameter of cable 10.
Described bayonet lock 2 width (i.e. in Fig. 7 along sagittal air line distance and follow-up indication bayonet lock 2 side front end as now
Face and rear end face) consistent with the width (shown in Fig. 5, Fig. 6, left and right is to air line distance) of rectangular body cavity.Described bayonet lock 2 upper surface is oblique
The axial centre position height (the calculating the vertical height that face is arcuate groove 21 bottom surface to inclined-plane of this height) of face part and cable
Two times of 10 diameter sums are not less than the height H of described rectangular body cavity, preferably make two times of described values consistent with H.In order that card
Pin 1 and sleeve pipe 1 size coordinate, preferably by H to controlling in 3 times to 4 times of cable 10 diameter of interval range, so favourable
In attractive in appearance, save manufacture material, after ensure that connection, the axis of two cables has less side-play amount simultaneously, thus ensureing outer
Power shake act on cable in this device joining place will not the big bending of bad student it is ensured that line after transmission performance after being connected and connection
Cable maintains the life-span duration of normal use (to bend through the shear stress that conference causes radial direction to cable, make cable connect linking position
Put and fracture).
One end end face corresponding to the least significant end on upper surface inclined-plane making two bayonet locks 2 during assembling interts in opposite directions into described sleeve pipe
1 tube chamber, and so that the arcuate groove 21 of bayonet lock 2 lower surface is coordinated with the outer wall of single line cable 10 respectively, finally make two described cards
The contact of incline plane cooperation of pin 2.During cable 10 is clamped on by the tube chamber of sleeve pipe 1 by bayonet lock 2, by two bayonet locks 2
Screw in the same auxiliary adjustment part of similar bolt in axial threaded hole 22 respectively, constantly correct the corresponding relation on two bayonet lock 2 inclined-plane,
Apply as shown in Figure 8 simultaneously axial force F (ensure cable 10 axis, arcuate groove 21 axis and sleeve pipe 1 tube chamber semicircular arc recessed
Face place axis is in state in same vertical), the arc outer wall finally making cable 10 lower end or upper end is respectively at corresponding
Arcuate groove 21 completely attaches to cooperation, make simultaneously the arc outer wall of cable 10 upper end or lower end respectively with corresponding sleeve pipe 1 tube chamber semicircle
The concave surface of arc completely attaches to.When reaching low order end state shown in Fig. 8, unload the auxiliary adjustment part in axial threaded hole 22.
Before being linked and packed, with alcohol washes cable 10 termination and appearance coat vaseline, clean, lubricate standard
Standby；Clear up the tube chamber of described sleeve pipe 1 with steel brush, complete deoxidation film and make cavity wall form matsurface preparation；Steel brush has cleared up set
Electric power compound electric fat is coated after pipe 1 tube chamber on the concave surface of the two halves circular arc of tube chamber；The same arc clearing up two bayonet locks 2 with steel brush
The groove face of shape groove 21 and inclined-plane, complete deoxidation film and make groove face and inclined-plane form the preparation of matsurface；Steel brush has cleared up bayonet lock 2
Arcuate groove 21 groove face and inclined-plane after in arcuate groove 21 cambered surface coat electric power compound electric fat.After the completion of preparation, by two
Cable 10 is penetrated by the two-port of sleeve pipe 1 respectively, and make cable 10 relatively each self-corresponding sleeve pipe 1 another port in termination outside
Have 2cm about extension surplus.Then the bayonet lock 2 being connected to auxiliary adjustment part is corresponded to a cable 10 respectively by sleeve pipe 10
Two-port penetrates in opposite directions, and period is thrown by the horizontal plane that the corresponding relation of auxiliary adjustment part constantly regulate bayonet lock 2 guarantees two inclined-planes
Shadow overlaps；Finally treat that the axial centre of the axial centre facing sleeve 1 of two bayonet lock 2 upper surface chamfered portion has to the left and to the right
Auxiliary adjustment part is taken off during the skew of about 2mm to 4mm.For the judgement of described side-play amount, can be by assembling front bevel portion
Divide the remaining judgement indirectly of residual quantity of axial length facing sleeve axial length.
After the respective face of sleeve pipe 1 tube chamber and bayonet lock 2 is processed, be conducive to the contact between corresponding contact face after clamping
Compactness, principle is molecular diffusion principle.And the flatulence of heat type of sleeve pipe 1 material is less than the flatulence of heat type of bayonet lock 2 material, so answering
With during quality of connection can be lifted further, that is, by using naturally strengthen connectivity.
The shape of described sleeve pipe 1 and bayonet lock 2 is in addition to form shown in Fig. 5 to Fig. 7, acceptable：As shown in figure 3, making described set
The profile of pipe 1 and tube chamber are circle, the axial centre position height of described bayonet lock 2 upper surface chamfered portion and cable 10 diameter
Two times of sum are equal to the lumen diameter of described sleeve pipe 1, and the two side of described bayonet lock 2 is contacted with the lumen wall of described sleeve pipe 1
Cooperation.As shown in figure 4, the profile of described sleeve pipe 1 and tube chamber are ellipse, in the axial direction of described bayonet lock 2 upper surface chamfered portion
Two times of heart position height and cable 10 diameter sum are equal to the oval chamber major axis of described sleeve pipe 1 to internal diameter, described bayonet lock 2
Two side is coordinated with the short axial contact internal walls of the tube chamber of described sleeve pipe 1.
Understand under the version shown in Fig. 3 and Fig. 4：First, for ensureing bayonet lock 2 and sleeve pipe 1 tube chamber fitting tight,
The side wall (illustrating left and right wall) of bayonet lock 2 needs to be set to arc, and this just will necessarily increase the manufacture difficulty of bayonet lock 2, increases cost
And assembly difficulty can be increased；Second, situation cable shown in Fig. 3 10 is coordinated for linear contact lay with the tube chamber of sleeve pipe 1, particularly in bayonet lock
When being not provided with arcuate groove 21 on 2 lower end plane, cable 10 contact with bayonet lock 2 also can be linear contact lay, opposite face contact form,
Linear contact lay easily produces sliding position, is unfavorable for the fastness connecting；Third, lateral cross section after mounting is seen, cable 10 after assembling
And bayonet lock 2 can facing sleeve 1 the larger gap of segment dislocation, so there is redundancy in the volume of whole coupling assembly device, and
It is not easily accomplished corresponding regulation, the impact efficiency of assembly connection and the quality of assembling of bayonet lock 2 in assembling process.And in embodiment
In the case of shown in one, the assembly difficulty of bayonet lock 2 facing sleeve 1 is primarily due to what mismachining tolerance caused, so in clamping
Calibration tune amount very little to bayonet lock 2 in journey, and make efficiency of assembling high and quality ensure that.
On the basis of embodiment one, can setting super inclined-plane rising on the upper surface inclined-plane of described bayonet lock 2 further
The tooth that direction tilts.After two bayonet locks 2 are subject to opposite external thrust, the tooth on cooperation inclined-plane is due to Impact direction and incline direction
Unanimously, so the difficulty of wedging installation will not be increased, on the contrary, when two bayonet locks 2 are subject to opposite external pull, pulling force effect side
To contrary with the incline direction of tooth, so pulling function can be formed stopping, it is to avoid the bayonet lock 2 after wedging is subject to external pull
When produce and loosen it is ensured that connection reliability.This part-structure set up is particularly suitable for and sleeve pipe 1 tube chamber shown in Fig. 5, Fig. 6
Version, is applied to the version of the tube chamber of sleeve pipe 1 shown in Fig. 3, Fig. 4 relatively, and assembly difficulty is minimized.
Embodiment two：
On the basis of embodiment one, this embodiment increases two locating rings and two limit plugs, by by locating ring 3
It is fixed on the two ends of sleeve pipe 1 and limit plug 4 is fixedly mounted in locating ring 3, allow the interior transverse plane of limit plug 4 and bayonet lock simultaneously
2 left side, right side contact, realize the restriction of axial location to bayonet lock 2, prevent in application process because assembling or processing by mistake
Excessive bayonet lock 2 axle causing of difference is moved out phenomenon, lifts the reliability that cable 10 is connected further.
As shown in Fig. 9, Figure 10, Figure 13, the profile of described limit plug 4 is consistent with the ring cavity of described locating ring 3.Described in two
Locating ring 3 respectively the two ends of described sleeve pipe 1, the ring of described locating ring 3 are fixedly connected on by existing connected modes such as welding
Chamber is communicated with the tube chamber of sleeve pipe 1 and locating ring 3 ring cavity central axis is axially coincident with sleeve pipe 1 tube chamber.The ring cavity of described locating ring 3
Maximum radial dimension is more than the tube chamber maximum radial dimension of described sleeve pipe, less than the maximum radial dimension of the outer wall of described sleeve pipe 1.
The maximum radial dimension of outer wall of described locating ring 3 and smallest radial size correspond respectively to and are all higher than described sleeve pipe 1 outer wall
Maximum radial dimension and smallest radial size.As shown in Figure 10, the elliptical in its outer shape of sleeve pipe 1, locating ring 3 profile is rounded
(chamber is cylindrical cavity), the long axial direction place size of sleeve pipe 1 outer wall is more than locating ring 3 chamber footpath, less than locating ring 3 external diameter, is now only capable of
The end face part of sleeve pipe 1 is enough made with the end contact of locating ring 3 and to realize being welded to connect.As shown in figure 13, the profile of sleeve pipe 1 is in
Ellipse, locating ring 3 profile also ovalize (ring cavity is elliptic cavity), after assembling, at the center of same radial section inner sleeve 1
With the center superposition of locating ring 3, the ellipsoid of sleeve pipe 1 profile is more than the ring cavity ellipsoid of locating ring 3, less than locating ring 3 profile
Ellipsoid, the end face of sleeve pipe 1 now can be made all with the end contact of locating ring 3 and realize being welded to connect along oval one week,
Connectivity robustness is improved relative to Figure 10 form.
As shown in figure 12, with vertical residing for described sleeve pipe 1 axis be symmetrical, corresponding on the inwall of described locating ring 3
Linear gathering sill 31 is set, makes the horizontal center line vertically upward of described gathering sill 31 and the axis of sleeve pipe 1 exist together one
Horizontal plane.In the bottom land of described gathering sill 31, radial direction through hole 32 is set.As shown in Figure 10, Figure 11 and Figure 13, corresponding to described fixed
Gathering sill 31 on the ring 3 of position, arranges linear guide ledges 42 on the outer wall of described limit plug 4.Corresponding described gathering sill
The radial direction through hole 31 of 31 bottom land setting, arranges radial screw bore 43 in the radial end face of described guide ledges 42.Described fixed
The through hole 41 of two axial directions is additionally provided with position plug 4, makes the axis of described axial direction 41 be in the vertical residing for described sleeve pipe 1 axis
Interior.Described locating ring 3 is fixedly connected with radial screw bore 43 bolt of described limit plug 4 by its radial direction through hole 32.As Fig. 9,
Shown in Figure 10, Figure 13, after assembly connection, the termination of both threads cable 10 is each passed through two limit plugs 4 and is in same level
Axially extending bore 41, the guide ledges 42 of limit plug 4 and the gathering sill 31 of locating ring 3 are engaged (bringing convenience for assembling) and phase
Limit plug 4 is inwardly promoted to make the radial direction through hole 32 on locating ring 3 corresponding with the radial screw bore 43 on limit plug 4 locating ring 3,
Then with bolt, limit plug 4 is fixedly connected with locating ring 3.It should be noted that the axle for radial direction through hole 32 on locating ring 3
To the setting of position, need to precalculate it is ensured that bayonet lock 2 realizes making the interior of limit plug 4 after assembling while firm snap action
End face contacts or makes the gap sum between limit plug 4 and bayonet lock 2 end face at most not surpass with the left side of bayonet lock 2 and right side
Cross 1mm.
In addition to technical characteristic described in except description, it is the known technology of those skilled in the art.
Claims (10)
1. a kind of service conductor cable coupling assembly device, including sleeve pipe, is characterized in that：
Also include two bayonet locks；
Described bayonet lock is strip shape body, and its upper surface is inclined-plane, arranges along its length to position of center line in the width of lower end plane
The radius of curvature of the arcuate groove of direction extension and described arcuate groove is not less than the radius of cable；
One end end face center setting axial threaded hole corresponding to most significant end on described bayonet lock upper surface inclined-plane；
The axial length of described bayonet lock upper surface chamfered portion is not less than the axial length of described sleeve pipe；
The axial centre position height of described bayonet lock upper surface chamfered portion is not less than described set with two times of cable diameter sum
The maximum inner diameter of pipe；
One end end face corresponding to the least significant end on upper surface inclined-plane of two described bayonet locks is made to intert tube chamber into described sleeve pipe in opposite directions,
And so that the arcuate groove of bayonet lock lower surface is coordinated with the outer wall of single line cable respectively, so that the contact of incline plane of two described bayonet locks is joined
Close；
Described bayonet lock is adopted aluminum material and is made, and described sleeve pipe is adopted copper material and made and the outer wall setting insulation in described sleeve pipe
Layer.
2. service conductor cable coupling assembly device according to claim 1, is characterized in that：
The tube chamber of described sleeve pipe is circular cavity, the axial centre position height of described bayonet lock upper surface chamfered portion and cable diameter
Two times of sum are not less than the lumen diameter of described sleeve pipe；
The two side of described bayonet lock is engaged with the lumen wall of described sleeve pipe.
3. service conductor cable coupling assembly device according to claim 1, is characterized in that：
The tube chamber of described sleeve pipe is oval chamber, and the axial centre position height of described bayonet lock upper surface chamfered portion is straight with cable
Two times of footpath sum are not less than the oval chamber major axis of described sleeve pipe to internal diameter；
The two side of described bayonet lock is coordinated with the short axial contact internal walls of the tube chamber of described sleeve pipe.
4. service conductor cable coupling assembly device according to claim 1, is characterized in that：
The tube chamber of described sleeve pipe is upper and lower the end face respectively concave surface of semicircular arc and this semicircular arc of rectangular body cavity and cavity
Diameter be not less than cable diameter；
The width of described bayonet lock is consistent with the width of rectangular body cavity；
The axial centre position height of described bayonet lock upper surface chamfered portion is not less than described length with two times of cable diameter sum
The height H in cube chamber.
5. service conductor cable coupling assembly device according to any one of claim 1 to 4, is characterized in that：In described bayonet lock
Upper surface inclined-plane on the tooth of super inclined-plane ascent direction inclination is set.
6. service conductor cable coupling assembly device according to any one of claim 1 to 3, is characterized in that：
Also include two locating rings and two limit plugs；The profile of described limit plug is consistent with the ring cavity of described locating ring；
Locating ring described in two is respectively fixedly connected with the two ends in described sleeve pipe, the ring cavity of described locating ring and the tube chamber of sleeve pipe
Communicate and locating ring ring cavity central axis is axially coincident with sleeve pipe tube chamber；
The ring cavity maximum radial dimension of described locating ring is more than the tube chamber maximum radial dimension of described sleeve pipe, less than described sleeve pipe
The maximum radial dimension of outer wall；
The maximum radial dimension of the outer wall of described locating ring and smallest radial size correspond respectively to and are all higher than outside described sleeve pipe
The maximum radial dimension of wall and smallest radial size；
It is symmetrical with vertical residing for described sleeve pipe axis, linear guiding is correspondingly arranged on the inwall of described locating ring
Groove, makes the horizontal center line vertically upward of described gathering sill and the axis of sleeve pipe exist together a horizontal plane；
In the bottom land of described gathering sill, radial direction through hole is set；
Corresponding to the gathering sill on described locating ring, linear guide ledges are arranged on the outer wall of described limit plug；
The radial direction through hole of the bottom land setting of corresponding described gathering sill, arranges radial direction screw thread in the radial end face of described guide ledges
Hole；
The through hole of two axial directions is additionally provided with described limit plug, so that the axis of described axially extending bore is in residing for described sleeve pipe axis
Vertical in, and the aperture of described axially extending bore be not less than cable external diameter；
The termination making both threads cable after assembling passes straight through axis on two limit plugs respectively and is in two in same level
Axially extending bore；
Described locating ring is fixedly connected with the radial screw bore bolt of described limit plug by its radial direction through hole.
7. service conductor cable coupling assembly device according to claim 4, is characterized in that：
Also include two locating rings and two limit plugs；The profile of described limit plug is consistent with the ring cavity of described locating ring；
Locating ring described in two is respectively fixedly connected with the two ends in described sleeve pipe, the ring cavity of described locating ring and the tube chamber of sleeve pipe
Communicate and locating ring ring cavity central axis is axially coincident with sleeve pipe tube chamber；
The ring cavity maximum radial dimension of described locating ring is more than the tube chamber maximum radial dimension of described sleeve pipe, less than described sleeve pipe
The maximum radial dimension of outer wall；
The maximum radial dimension of the outer wall of described locating ring and smallest radial size correspond respectively to and are all higher than outside described sleeve pipe
The maximum radial dimension of wall and smallest radial size；
It is symmetrical with vertical residing for described sleeve pipe axis, linear guiding is correspondingly arranged on the inwall of described locating ring
Groove, makes the horizontal center line vertically upward of described gathering sill and the axis of sleeve pipe exist together a horizontal plane；
In the bottom land of described gathering sill, radial direction through hole is set；
Corresponding to the gathering sill on described locating ring, linear guide ledges are arranged on the outer wall of described limit plug；
The radial direction through hole of the bottom land setting of corresponding described gathering sill, arranges radial direction screw thread in the radial end face of described guide ledges
Hole；
The through hole of two axial directions is additionally provided with described limit plug, so that the axis of described axially extending bore is in residing for described sleeve pipe axis
Vertical in, and the aperture of described axially extending bore be not less than cable external diameter；
The termination making both threads cable after assembling passes straight through axis on two limit plugs respectively and is in two in same level
Axially extending bore；
Described locating ring is fixedly connected with the radial screw bore bolt of described limit plug by its radial direction through hole.
8. service conductor cable coupling assembly device according to claim 7, is characterized in that：
The profile of described locating ring and the equal ovalize of ring cavity；
Make the height H more than the rectangular body cavity of sleeve pipe for the long axial dimension of ring cavity of described locating ring, the ring cavity of described locating ring is short
Axial dimension is more than the rectangular body cavity width of sleeve pipe；
After assembling in same radial section, the elliptical center of described locating ring is overlapped with the elliptical center of described sleeve pipe, and institute
The ring cavity area stating locating ring is less than the oval in outline area of described sleeve pipe, and the oval in outline area of described sleeve pipe is less than described fixed
The oval in outline area of position ring.
9. the using method of service conductor cable coupling assembly device described in claim 4, step is：
(1), before assembling, coat vaseline with the termination of alcohol washes both threads cable and in cable appearance, complete clear to cable
Clean, lubrication prepares；
(2) clear up the tube chamber of sleeve pipe with steel brush, complete the deoxidation film to sleeve pipe tube chamber and so that sleeve pipe tube chamber cavity wall is formed coarse
Face prepares；
(3), after steel brush has cleared up sleeve pipe tube chamber, electric power compound electric fat is coated on the concave surface of the two halves circular arc of sleeve pipe tube chamber；
(4) clear up groove face and the inclined-plane of the arcuate groove of two bayonet locks with steel brush, complete deoxidation film and so that groove face and inclined-plane is formed slightly
The preparation of matte；
(5), cleared up arcuate groove groove face and the inclined-plane of bayonet lock with steel brush after, electric power compound electric fat is coated on the cambered surface of arcuate groove；
(6) both threads cable is penetrated by the two-port of sleeve pipe respectively, and make cable the relatively each self-corresponding sleeve pipe in termination another
Port extends outward certain surplus；
(7) the axial thread in the hole in described bayonet lock connects a bolt respectively, and then holding bolt makes the inclined-plane of two bayonet locks relatively divide
Do not penetrated by the two-port of sleeve pipe, so that both threads cable is placed in the arcuate groove of the corresponding bayonet lock of difference simultaneously；
(8) axially opposite power is being applied respectively to two bayonet locks, during two bayonet lock threading tube chambers, by two bayonet locks
The corresponding relation of bolt constantly regulate two bayonet lock of end, makes the projection in the horizontal plane of the inclined surface of bayonet lock overlap；
(9) treat that the axial centre of the axial centre facing sleeve of two bayonet lock upper surface chamfered portions has 2mm to 4mm to the left and to the right
Stop the axial force to bayonet lock effect during the skew of left and right, take off the bolt being connected in bayonet lock termination；
(10) cut off certain surplus termination that the relatively each self-corresponding sleeve port of cable extends outward；
(11) phase line according to connection cables or zero line, live wire, the difference of ground wire, outside this service conductor cable coupling assembly device
Distinguish the insulation fluorescent paint smearing green, redness, yellow or white.
10. the using method of service conductor cable coupling assembly device described in claim 7 or 8, now sleeve pipe and locating ring have been pressed
An entirety is processed in as requested, uses as the workpiece processing；Step is：
(1), before assembling, coat vaseline with the termination of alcohol washes both threads cable and in cable appearance, complete clear to cable
Clean, lubrication prepares；
(2) clear up the tube chamber of sleeve pipe with steel brush, complete the deoxidation film to sleeve pipe tube chamber and so that sleeve pipe tube chamber cavity wall is formed coarse
Face prepares；
(3), after steel brush has cleared up sleeve pipe tube chamber, electric power compound electric fat is coated on the concave surface of the two halves circular arc of sleeve pipe tube chamber；
(4) clear up groove face and the inclined-plane of the arcuate groove of two bayonet locks with steel brush, complete deoxidation film and so that groove face and inclined-plane is formed slightly
The preparation of matte；
(5), cleared up arcuate groove groove face and the inclined-plane of bayonet lock with steel brush after, electric power compound electric fat is coated on the cambered surface of arcuate groove；
(6) both threads cable is penetrated by the two-port of sleeve pipe respectively, and make cable the relatively each self-corresponding sleeve pipe in termination another
Port extends outward certain surplus；
(7) the axial thread in the hole in described bayonet lock connects a bolt respectively, and then holding bolt makes the inclined-plane of two bayonet locks relatively divide
Do not penetrated by the two-port of sleeve pipe, so that both threads cable is placed in the arcuate groove of the corresponding bayonet lock of difference simultaneously；
(8) axially opposite power is being applied respectively to two bayonet locks, during two bayonet lock threading tube chambers, by two bayonet locks
The corresponding relation of bolt constantly regulate two bayonet lock of end, makes the projection in the horizontal plane of the inclined surface of bayonet lock overlap；
(9) treat that the axial centre of the axial centre facing sleeve of two bayonet lock upper surface chamfered portions has 2mm to 4mm to the left and to the right
Stop the axial force to bayonet lock effect during the skew of left and right, take off the bolt being connected in bayonet lock termination；
(10) cut off certain surplus termination that the relatively each self-corresponding sleeve port of cable extends outward；
(11) make two limit plugs correspond to locating ring respectively, and the gathering sill of the guide ledges of limit plug and locating ring is engaged
Limit plug is promoted to make the radial direction through hole on locating ring corresponding with the radial screw bore on limit plug, then afterwards in relative localization ring
With bolt, limit plug is fixedly connected with locating ring；
(12) phase line according to connection cables or zero line, live wire, the difference of ground wire, outside this service conductor cable coupling assembly device
Distinguish the insulation fluorescent paint smearing green, redness, yellow or white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279419.XA CN104934729B (en) | 2015-05-27 | 2015-05-27 | Service cable connecting assembly apparatus and usage method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279419.XA CN104934729B (en) | 2015-05-27 | 2015-05-27 | Service cable connecting assembly apparatus and usage method thereof |
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| Publication Number | Publication Date |
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| CN104934729A CN104934729A (en) | 2015-09-23 |
| CN104934729B true CN104934729B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279419.XA Active CN104934729B (en) | 2015-05-27 | 2015-05-27 | Service cable connecting assembly apparatus and usage method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379927Y (en) * | 1999-06-18 | 2000-05-24 | 王仁清 | Intermediate connection tube for conducting wire |
| CN201601233U (en) * | 2009-12-31 | 2010-10-06 | 深圳市惠程电气股份有限公司 | Tubular bus-bar straight joint |
| CN203895617U (en) * | 2014-06-12 | 2014-10-22 | 深圳市西勒实业发展有限公司 | Torque butt-joint pipe |
| CN204834903U (en) * | 2015-05-27 | 2015-12-02 | 国网山东省电力公司济南供电公司 | Service conductor cable coupling assembling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251961A (en) * | 1999-02-26 | 2000-09-14 | Yazaki Corp | Crimp terminal and manufacture of crimp terminal |
-
2015
- 2015-05-27 CN CN201510279419.XA patent/CN104934729B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379927Y (en) * | 1999-06-18 | 2000-05-24 | 王仁清 | Intermediate connection tube for conducting wire |
| CN201601233U (en) * | 2009-12-31 | 2010-10-06 | 深圳市惠程电气股份有限公司 | Tubular bus-bar straight joint |
| CN203895617U (en) * | 2014-06-12 | 2014-10-22 | 深圳市西勒实业发展有限公司 | Torque butt-joint pipe |
| CN204834903U (en) * | 2015-05-27 | 2015-12-02 | 国网山东省电力公司济南供电公司 | Service conductor cable coupling assembling device |
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|---|---|
| CN104934729A (en) | 2015-09-23 |
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