CN105337137B - Expansion tool and the method for connecting the first and second cables - Google Patents
Expansion tool and the method for connecting the first and second cables Download PDFInfo
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- CN105337137B CN105337137B CN201410359776.2A CN201410359776A CN105337137B CN 105337137 B CN105337137 B CN 105337137B CN 201410359776 A CN201410359776 A CN 201410359776A CN 105337137 B CN105337137 B CN 105337137B
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- expansion
- intermediate insulation
- insulation joint
- cable
- halfbody
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Abstract
The present invention discloses a kind of expansion tool of intermediate insulation joint, including two sets of Stent assemblies and two sets of strainers.Two sets of Stent assemblies are separately positioned on the both ends of intermediate insulation joint, and often covering Stent assembly includes:One expansion part, a clamping element and a guiding piece.Two sets of strainers are separately positioned on the both sides of two sets of Stent assemblies, often cover strainer and are connected on the clamping element of two sets of Stent assemblies.In the tubular projection of the columnar projections insertion expansion part of guiding piece, and the conical nose of columnar projections is prominent from tubular projection.After the conical nose of guiding piece is inserted in endoporus to intermediate insulation joint, when two sets of strainers tense two sets of Stent assemblies towards direction close to each other, the tubular projection of expansion part is inserted in the endoporus of intermediate insulation joint under the guiding of the conical nose of guiding piece, so as to expand the endoporus of intermediate insulation joint.Therefore, expansion tool of the invention it is simple in construction, it is in light weight, be easy to carry, and can install very convenient.
Description
Technical field
The present invention relates to a kind of expansion tool for being used to expand the endoporus of intermediate insulation joint, and one kind to be used to electrically connect
The method of first cable and the second cable.
Background technology
The first high-tension cable is being terminated and during the second high-tension cable, typically first with metal crimp pipe by the first high-tension cable
Conductor cores and the conductor cores of the second high-tension cable are crimped together, and then, an intermediate insulation fitting sleeve are mounted in into the first high pressure
At the termination of cable and the second high-tension cable, the intermediate insulation joint is contracted in metal crimp pipe and the first and second high-tension electricities
On a part of insulating barrier of cable, it is achieved thereby that the insulation recovery at the termination of the first high-tension cable and the second high-tension cable, is carried
Electrical security at high termination.
In order to which intermediate insulation joint is fitted snugly on the first high-tension cable and the second high-tension cable, intermediate insulation joint
Endoporus be necessarily less than the diameter of metal crimp pipe or being coated in conductor cores for the first high-tension cable and the second high-tension cable
The diameter of insulating barrier.Therefore, it is necessary to first be expanded to the endoporus of middle insulating joint, intermediate insulation fitting sleeve could be mounted in
On first high-tension cable and the second high-tension cable.
In the prior art, the general expansion that the endoporus of intermediate insulation joint is realized using hydraulic dilatation mechanism, still,
Big weight, installation difficulty, price height, easy oil leakage be present and safeguard the technical problems such as inconvenience in hydraulic dilatation mechanism.
The content of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
It is an object of the present invention to provide a kind of expansion tool for being used to expand the endoporus of intermediate insulation joint, its is heavy
Amount is light, is easy to carry.
It is another object of the present invention to provide it is a kind of be used for expand intermediate insulation joint endoporus expansion tool, its
It is easy for installation, without other auxiliary machineries.
It is another object of the present invention to provide it is a kind of be used for expand intermediate insulation joint endoporus expansion tool, its
It is simple in construction, it is cheap.
It is another object of the present invention to provide it is a kind of be used for expand intermediate insulation joint endoporus expansion tool, its
Hydraulic oil need not be used, thus, there is no Leakage.
It is another object of the present invention to provide it is a kind of be used for expand intermediate insulation joint endoporus expansion tool, its
Part is less, easy to maintenance.
According to an aspect of the present invention, there is provided a kind of expansion tool of intermediate insulation joint, including two sets of Stent assemblies
With two sets of strainers.Two sets of Stent assemblies are separately positioned on the both ends of intermediate insulation joint, and often covering Stent assembly includes:One
Expansion part, have the tubular for the endoporus for being used to expand intermediate insulation joint raised;One clamping element, for clamping expansion part;
With a guiding piece, it is installed on expansion part, there are columnar projections, and the columnar projections have conical nose.Two sets of tensionings
Mechanism is separately positioned on the both sides of two sets of Stent assemblies, often covers strainer and is connected on the clamping element of two sets of Stent assemblies.Institute
The columnar projections for stating guiding piece are inserted in the tubular projection of the expansion part, and the conical nose of columnar projections is raised from tubular
Middle protrusion.In the conical nose of the guiding piece of two sets of Stent assemblies inserts endoporus to intermediate insulation joint from both ends respectively it
Afterwards, when two sets of strainers tense two sets of Stent assemblies towards direction close to each other, the tubular projection of the expansion part is being drawn
In the endoporus of the lower insertion intermediate insulation joint of conical nose guiding of guiding element, so as to expand the endoporus of intermediate insulation joint.
According to the embodiment of an example of the present invention, often covering strainer includes:One tension band, is connected to two sets
On the clamping element of Stent assembly;With a stretcher, on the tension band, for tightening up or loosening the tension band.
According to the embodiment of another exemplary of the present invention, the expansion part includes and the raised substantially vertical and phase of tubular
The disc shaped base to connect;The guiding piece includes disc shaped base that is substantially vertical with columnar projections and being connected with each other;And institute
The disc shaped base for stating guiding piece is connected through a screw thread part and is connected in the disc shaped base of the expansion part.
According to the embodiment of another exemplary of the present invention, formed with cone on the raised end of the tubular of the expansion part
Shape guide edge, the tubular for guiding the expansion part are protruded out into the endoporus of the intermediate insulation joint.
According to the embodiment of another exemplary of the present invention, each expansion part is by the first expansion halfbody and the second expansion half
Body forms;And the first expansion halfbody and the second expansion halfbody are clamped together by the clamping element, to form one
Individual complete expansion part.
According to the embodiment of another exemplary of the present invention, each clamping element includes:First annular halfbody;With
Second ring halfbody, the first annular halfbody and the second annular halfbody are assembled to each other, and are clamped in expansion part
On the excircle of disc shaped base.
According to the embodiment of another exemplary of the present invention, the both sides of the first annular halfbody are respectively formed with first
Connection bump;The both sides of the second annular halfbody are respectively formed with the second connection bump;And the first connection bump and second
Connection bump is interconnected by screw bolt and nut.
According to the embodiment of another exemplary of the present invention, in the first annular halfbody and the second annular halfbody
After being assembled to each other, the part between the first connection bump and the second connection bump of the bolt is exposed;
Each tension band is wrapped in the part exposed of corresponding two bolts.
According to the embodiment of another exemplary of the present invention, it is installed in expansion tool on intermediate insulation joint, and will
After the interior bore expansion of intermediate insulation joint, the guiding piece is removed from the expansion part, so as to by expansion tool and centre
Insulating joint set is attached on one end of the first cable so that one end of the first cable is raised and middle through the tubular of expansion tool
The endoporus of insulating joint.
According to the embodiment of another exemplary of the present invention, the is attached in the expansion tool and intermediate insulation fitting sleeve
After on one end of one cable, the conductor cores on one end of the first cable are with the conductor cores on one end of the second cable by being electrically connected
Fitting is electrically connected to each other together.
According to the embodiment of another exemplary of the present invention, the electrical connector is metal crimp pipe, the metal pressure
Adapter is crimped in the conductor cores on one end of the conductor cores on one end of the first cable and the second cable.
According to the embodiment of another exemplary of the present invention, in the conductor cores and the conductor cores of the second cable of the first cable
After being electrically connected, the mobile intermediate insulation joint and expansion tool mounted thereto, until the electrical connection
Part is fully received in the endoporus of intermediate insulation joint.
According to the embodiment of another exemplary of the present invention, it is fully received intermediate insulation in the electrical connector and connects
After in the endoporus of head, the expansion tool is removed from the intermediate insulation joint so that intermediate insulation joint is contracted in electricity
On a part of insulating barrier of connector and the first and second cables of electrical connector both sides.
According to the embodiment of another exemplary of the present invention, the external diameter of the columnar projections of the guiding piece is substantially equal to institute
State the raised internal diameter of the tubular of expansion part.
According to the embodiment of another exemplary of the present invention, the first expansion halfbody of the expansion part and the clamping element
First annular halfbody formed be integrated;And the second annular half of the second expansion halfbody of the expansion part and the clamping element
The bodily form is integrally formed.
According to another aspect of the present invention, there is provided a kind of method for being used to connect the first cable and the second cable, including
Following steps:
One intermediate insulation joint is provided;
Expansion tool according to any one foregoing embodiment is provided;
The expansion tool is installed on intermediate insulation joint, and uses expansion tool by the endoporus of intermediate insulation joint
Expand;
The guiding piece is removed from the expansion part;
Expansion tool and intermediate insulation joint (40) set are attached on one end of the first cable (10) so that the first cable
Tubular raised endoporus with intermediate insulation joint of the one end through expansion tool;
The conductor cores on one end of the first cable are electrically connected with the conductor cores on one end of the second cable with electrical connector
Together;
The mobile intermediate insulation joint and expansion tool mounted thereto, until the electrical connector is held completely
Receive into the endoporus of intermediate insulation joint;With
Remove the expansion tool from the intermediate insulation joint so that intermediate insulation joint be contracted in electrical connector with
And on a part of insulating barrier of the first and second cables of electrical connector both sides.
In the expansion tool of each embodiment according to the present invention, expansion tool includes two sets of Stent assemblies and two sets
Tight mechanism, often covering Stent assembly includes an expansion part, a clamping element and a guiding piece.Therefore, its simple in construction, weight
Gently, it is easy to carry.In addition, whole expansion tool can be by being conveniently assembled together, without using other auxiliary machines by hand
Tool device, therefore, installation are very convenient.
By the description made for the present invention of below with reference to accompanying drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Brief description of the drawings
Fig. 1 shows the expansion tool being arranged on intermediate insulation joint of the embodiment according to an example of the present invention
Schematic diagram, wherein, the tension band of expansion tool is not tensioned also completely, and the tubular projection of the expansion part of expansion tool does not have also
Insert in the endoporus of intermediate insulation joint;
Fig. 2 shows the expansion part of the expansion tool shown in Fig. 1 and the schematic perspective view of clamping element, wherein, clamping element folder
Hold on expansion part;
Fig. 3 shows the schematic perspective view of the expansion part of the expansion tool shown in Fig. 1;
Fig. 4 shows the schematic perspective view of the guiding piece of the expansion tool shown in Fig. 1;
Fig. 5 is shown in the tension band of expansion tool, and the tubular projection of tensioning and the expansion part of expansion tool has been completely
The schematic diagram of expansion tool after in endoporus through inserting intermediate insulation joint, the guiding piece of wherein expansion tool have been torn open
Remove;
Fig. 6 shows the plan view of the expansion tool and intermediate insulation joint shown in Fig. 5;
Fig. 7, which is shown, is attached to expansion tool and intermediate insulation fitting sleeve on one end of the first cable so that the first cable
Schematic diagram of the one end through the raised endoporus with intermediate insulation joint of tubular of expansion tool;
Fig. 8, which is shown, will have already passed through the conductor cores of one end of the first cable of expansion tool and intermediate insulation joint and the
The schematic diagram that the conductor cores of two cables are electrically connected;
Fig. 9, which will be shown in after the conductor cores of one end of the first cable are electrically connected with the conductor cores of the second cable, to be expanded
The schematic diagram that Zhang Gong has and intermediate insulation joint is moved at electrical connector;With
Figure 10, which is shown in, is moved to expansion tool and intermediate insulation joint at electrical connector and from middle insulating joint
The schematic diagram of first and second cables after upper dismounting expansion tool, interconnecting.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.Illustrating
In book, same or analogous drawing reference numeral indicates same or analogous part.It is following referring to the drawings to embodiment of the present invention
Illustrate to be intended to explain the present general inventive concept of the present invention, and be not construed as limiting a kind of of the present invention.
In addition, in the following detailed description, for ease of explaining, many concrete details are elaborated to provide to present disclosure
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments can also in the case of these no details
It is carried out.In other cases, known construction and device is diagrammatically embodied to simplify accompanying drawing.
According to the general plotting of the present invention, there is provided a kind of expansion tool of intermediate insulation joint, including two sets of expansions
Component and two sets of strainers.Two sets of Stent assemblies are separately positioned on the both ends of intermediate insulation joint, and often covering Stent assembly includes:
One expansion part, have the tubular for the endoporus for being used to expand intermediate insulation joint raised;One clamping element, for clamping expansion
Part;With a guiding piece, it is installed on expansion part, there are columnar projections, and the columnar projections have conical nose.Two sets
Tight mechanism is separately positioned on the both sides of two sets of Stent assemblies, often covers strainer and is connected on the clamping element of two sets of Stent assemblies.
The columnar projections of the guiding piece are inserted in the tubular projection of the expansion part, and the conical nose of columnar projections is convex from tubular
It is prominent in rising.In the endoporus that the conical nose of the guiding piece of two sets of Stent assemblies inserts to intermediate insulation joint from both ends respectively
Afterwards, when two sets of strainers tense two sets of Stent assemblies towards direction close to each other, the tubular projection of the expansion part exists
In the endoporus of the lower insertion intermediate insulation joint of conical nose guiding of guiding piece, so as to expand the endoporus of intermediate insulation joint.
Fig. 1 shows the expansion work being arranged on intermediate insulation joint 40 of the embodiment according to an example of the present invention
The schematic diagram of tool, wherein, the tension band 400 of expansion tool is not tensioned also completely, and the tubular of the expansion part 100 of expansion tool is convex
110 are played also to be not inserted into the endoporus of intermediate insulation joint 40.
As shown in figure 1, in the embodiment of an example of the present invention, for expanding the endoporus of intermediate insulation joint 40
The expansion tool of (not shown) mainly includes two sets of Stent assemblies and two sets of strainers.
As shown in figure 1, in the illustrated embodiment, often cover the expansion part that Stent assembly includes being assembled to each other
100th, a clamping element 200 and a guiding piece 300.Two sets of Stent assemblies are separately positioned on the both ends of intermediate insulation joint 40.
As shown in figure 1, in the illustrated embodiment, often covering strainer includes a tension band 400 and a stretcher
500.Two sets of strainers are separately positioned on the both sides (or both sides of intermediate insulation joint 40) of two sets of Stent assemblies, often set tensioning
Mechanism is connected on the clamping element of two sets of Stent assemblies, for being tensioned two sets of Stent assemblies.
Fig. 2 shows the expansion part 100 of the expansion tool shown in Fig. 1 and the schematic perspective view of clamping element 200, wherein, folder
Tight part 200 is clamped on expansion part 100;Fig. 3 shows the schematic perspective view of the expansion part 100 of the expansion tool shown in Fig. 1;Figure
The schematic perspective view of the guiding piece 300 of expansion tool shown in 4 display Fig. 1.
As shown in Figures 1 to 4, in the embodiment of an example of the present invention, expansion part 100, which has, to be used in expansion
Between insulating joint 40 endoporus tubular projection 110.Clamping element 200 is annular in shape, for being clamped in the disc shaped base of expansion part 100
On.Guiding piece 300 is installed on expansion part 100, has columnar projections 310, and the columnar projections 310 have conical nose
311。
As Fig. 1 is clearly illustrated, each tension band 400 is connected on the clamping element 200 of two sets of Stent assemblies.Stretcher
500 are arranged on tension band 400, for tightening up or loosening tension band 400.In the present invention, stretcher 500 can be existing skill
Any of art belt tightener.
Fig. 1 to Fig. 4 is referred to, in the illustrated embodiment, the columnar projections 310 of guiding piece 300 insert expansion part 100
In tubular projection 110, and the conical nose 311 of columnar projections 310 is prominent from tubular projection 110.So, in expansion tool
After being installed on intermediate insulation joint 40, the conical nose 311 of the guiding piece 300 of two sets of Stent assemblies inserts from both ends respectively
Into the endoporus of intermediate insulation joint 40.Now, when two sets of strainers tense two sets of Stent assemblies towards direction close to each other
When, the tubular projection 110 of expansion part 100 can be smoothly inserted into intermediate insulation under the guiding of the conical nose 311 of guiding piece 300
In the endoporus of joint 40, so as to expand the endoporus of intermediate insulation joint 40.
Continuing with referring to Fig. 1 to Fig. 4, in the illustrated embodiment, expansion part 100 includes substantially hanging down with tubular projection 110
The disc shaped base that direct join is connected with each other.Guiding piece 300 includes plate-like base that is substantially vertical with columnar projections 310 and being connected with each other
Portion.The disc shaped base of guiding piece 300 is connected through a screw thread part 301 and is connected in the disc shaped base of expansion part 100.
As Fig. 3 is clearly illustrated, in the embodiment of an example of the present invention, the tubular projection 110 of expansion part 100
End on formed with tapered leading edge 111, for guiding the tubular projection 110 of expansion part 100 to enter intermediate insulation joint
In 40 endoporus.
As shown in Figures 2 and 3, in the illustrated embodiment, each expansion part 100 is by the first expansion halfbody 100a and second
Expand halfbody 100b compositions;And the first expansion halfbody 100a and the second expansion halfbody 100b are clamped part 200 and are clamped together,
To form a complete expansion part 100.
As shown in Figures 2 and 3, in the embodiment of an example of the present invention, each clamping element 200 includes:First
The annular annular halfbody 200b of halfbody 200a and second.The first annular annular halfbody 200b of halfbody 200a and second are mutually assembled in one
Rise, and be clamped on the excircle of the disc shaped base of expansion part 100.
As shown in Figures 2 and 3, in the embodiment of an example of the present invention, first annular halfbody 200a both sides
It is respectively formed with the first connection bump 210a;Second annular halfbody 200b both sides are respectively formed with the second connection bump 210b;
And the first connection bump 210a and the second connection bump 210b are interconnected by bolt 220 and nut 230.
As shown in Figure 1, Figure 2 and Figure 3, in the embodiment of an example of the present invention, in first annular halfbody 200a
After being assembled to each other with the second annular halfbody 200b, bolt 220 connects positioned at the first connection bump 210a and second
A part between raised 210b is exposed.Each tension band 400 is wrapped in the part exposed of corresponding two bolts 220
On.
The tension band 400 that Fig. 5 is shown in expansion tool has been tensioned completely and the tubular of the expansion part 100 of expansion tool
Projection 110 be already inserted into the endoporus of intermediate insulation joint 40 after expansion tool schematic diagram, wherein expansion tool draws
Guiding element 300 has been removed.Fig. 6 shows the plan view of the expansion tool and intermediate insulation joint 40 shown in Fig. 5.
As shown in Figure 5 and Figure 6, in the embodiment of an example of the present invention, it is installed in expansion tool middle exhausted
On edge joint 40, and by after the interior bore expansion of intermediate insulation joint 40, guiding piece 300 is removed from expansion part 100, to incite somebody to action
One end of first cable 10 is inserted in tubular projection 110 and passes through the endoporus of intermediate insulation joint 40 (referring to Fig. 7).
Fig. 7, which is shown, is attached to 40 sets of expansion tool and intermediate insulation joint on one end of the first cable 10 so that the first electricity
One end of cable 10 (had carried out stripping processing, and had exposed one section of conductor cores 12 and expose one section for being coated on conductor
Insulating barrier 11 on core 12) show through the tubular projection 110 of the expansion tool shown in Fig. 6 and the endoporus of intermediate insulation joint 40
It is intended to.
As shown in fig. 7, in one embodiment of the invention, after intermediate insulation joint 40 is expanded instrument expansion,
And after guiding piece 300 is removed from expansion tool, 40 sets of expansion tool and intermediate insulation joint are attached to the first cable 10
One end on so that one end of the first cable 10 is through the expansion tool and intermediate insulation joint 40 shown in Fig. 6.
Fig. 8, which is shown, to have already passed through the conductor cores of one end of the first cable 10 of expansion tool and intermediate insulation joint 40
12 and second cable 20 one end the schematic diagram that is electrically connected of conductor cores 22.
As shown in figure 8, in one embodiment of the invention, had already passed through in one end of the first cable 10 shown in Fig. 6
After expansion tool and intermediate insulation joint 40, one end of the second cable 20 (stripping processing was carried out, and had exposed one
Section conductor cores 22 and expose one section and be used to be coated on insulating barrier 21 in conductor cores 22) the cable 10 of conductor cores 22 and first
The conductor cores 12 of one end be electrically connected to each other together by an electrical connector 30, so as to realize the first cable 10 and the second electricity
Electrical connection between cable 20.
In the embodiment of an example of the present invention, electrical connector 30 can be metal crimp pipe, the metal crimp
Pipe is crimped in the conductor cores 22 on one end of the cable 20 of conductor cores 12 and second on one end of the first cable 10.
Fig. 9 is shown in the conductor cores 12 of one end of the first cable 10 and the conductor cores 22 of the second cable 20 are electrically connected
The schematic diagram that expansion tool and intermediate insulation joint 40 are moved at electrical connector 30 afterwards.
As shown in figure 9, in one embodiment of the invention, the electricity of conductor cores 12 and second in one end of the first cable 10
After the conductor cores 22 of one end of cable 20 are electrically connected, along the direction shown in the arrow in Fig. 8 by expansion tool and in
Between insulating joint 40 be moved at electrical connector 30, until electrical connector 30 is fully received the endoporus of intermediate insulation joint 40
In.
Figure 10, which is shown in, is moved to expansion tool and intermediate insulation joint 40 at electrical connector 30 and from intermediate insulation
The schematic diagram of the first and second cables 10,20 after expansion tool, interconnecting is removed on joint 40.
As shown in Figure 10, in one embodiment of the invention, moved by expansion tool and intermediate insulation joint 40
After at electrical connector 30, expansion tool is removed from middle insulating joint 40 so that the elasticity of intermediate insulation joint 40 is recovered
And closely it is contracted in a part of insulating barrier of electrical connector 30 and the first and second cables 10,20 of the both sides of electrical connector 30
11st, on 21, it is achieved thereby that it is achieved thereby that insulation recovery at the termination of the first cable 10 and the second cable 20, improves end
Connect the electrical security at place.
In the embodiment of an example of the present invention, the external diameter of the columnar projections 310 of guiding piece 300 is equal to, is slightly larger
In or the slightly smaller than internal diameter of the tubular projection 110 of expansion part 100.So, after expansion part 100 is clamped the clamping of part 200, energy
The outer surface of enough columnar projections 310 for insert the guiding piece 300 in the tubular projection 110 of expansion part 100 and expansion part 100
Tubular projection 110 inner surface be in close contact.
In the embodiment shown in Fig. 1 to Figure 10, expansion part 100 and clamping element 200 assemble by two halfbodies, and
And two halfbodies 100a, 100b of expansion part 100 and two halfbodies 200a, 200b of clamping element 200 are separated from each other.But this
Invention is not limited to the embodiment of diagram, for example, in the embodiment of another exemplary of the present invention, the of expansion part 100
The first annular halfbody 200a of one expansion halfbody 100a and clamping element 200, which can be formed, to be integrated;And the second of expansion part 100
Second annular halfbody 200b of expansion halfbody 100b and clamping element 200, which can also be formed, to be integrated.Below, Fig. 1 is will refer to figure
10, describe the method for electrically connecting the first cable 10 and the second cable 20 in detail, this method mainly includes the following steps that:
S101:As shown in Figure 1, there is provided an intermediate insulation joint 40;
S102:As shown in Figure 1, there is provided foregoing expansion tool;
S103:As shown in Fig. 1, Fig. 5 and Fig. 6, expansion tool is installed on intermediate insulation joint 40, and uses expansion work
Tool expands the endoporus of intermediate insulation joint 40;
S104:As shown in Figure 5 and Figure 6, guiding piece 300 is removed from expansion part 100;
S105:As shown in fig. 7,40 sets of expansion tool and intermediate insulation joint will be attached on one end of the first cable 10,
So that one end of the first cable 10 passes through the tubular projection 110 of expansion tool and the endoporus of intermediate insulation joint 40;
S106:As shown in figure 8, with electrical connector 30 by the cable 20 of conductor cores 12 and second on one end of the first cable 10
One end on conductor cores 22 be electrically connected;
S107:As shown in figure 9, mobile intermediate insulation joint 40 and expansion tool mounted thereto, until electrical connection
Part 30 is fully received in the endoporus of intermediate insulation joint 40;With
S108:As shown in Figure 10, expansion tool is removed from middle insulating joint 40 so that intermediate insulation joint 40 shrinks
On a part of insulating barrier 11,21 of the first and second cables 10,20 of electrical connector 30 and the both sides of electrical connector 30.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this area
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of the structure described in various embodiments
Independent assortment can be carried out in the case of prominent.
Although with reference to accompanying drawing, the present invention is described, and the embodiment disclosed in accompanying drawing is intended to preferred to the present invention
Embodiment is illustrative, and it is not intended that limiting a kind of of the present invention.
Although some embodiments of this present general inventive concept are shown and illustrated, those of ordinary skill in the art will manage
Solution, in the case of without departing substantially from the principle of this present general inventive concept and spirit, these embodiments can be made a change, it is of the invention
Scope is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the scope that any element label of claim should not be construed as limiting the invention.
Claims (14)
- A kind of 1. expansion tool of intermediate insulation joint, it is characterised in that including:Two sets of Stent assemblies (100,200,300), are separately positioned on the both ends of intermediate insulation joint (40), often cover Stent assembly (100,200,300) include:One expansion part (100), have the tubular for the endoporus for being used to expand intermediate insulation joint (40) raised (110);One clamping element (200), for clamping expansion part (100);WithOne guiding piece (300), is installed on expansion part (100), has columnar projections (310), and the columnar projections (310) With conical nose (311), andTwo sets of strainers (400,500), the both sides of two sets of Stent assemblies (100,200,300) are separately positioned on, often set tensioning Mechanism (400,500) is connected on the clamping element (200) of two sets of Stent assemblies (100,200,300), wherein,The columnar projections (310) of the guiding piece (300) are inserted in the tubular raised (110) of the expansion part (100), and post The conical nose (311) of shape projection (310) is prominent from tubular raised (110),Inserted respectively from both ends in the conical nose (311) of the guiding piece (300) of two sets of Stent assemblies (100,200,300) Between insulating joint (40) endoporus in after, expand when two sets of strainers (400,500) tense two sets towards direction close to each other During component (100,200,300), the conical nose of the tubular raised (110) of the expansion part (100) in guiding piece (300) (311) in the endoporus of the lower insertion intermediate insulation joint (40) of guiding, so as to expand the endoporus of intermediate insulation joint (40).
- 2. expansion tool according to claim 1, it is characterised in that often covering strainer (400,500) includes:One tension band (400), it is connected on the clamping element (200) of two sets of Stent assemblies (100,200,300);WithOne stretcher (500), on the tension band (400), for tightening up or loosening the tension band (400).
- 3. expansion tool according to claim 2, it is characterised in thatThe expansion part (100) includes disc shaped base that is substantially vertical with tubular raised (110) and being connected with each other;The guiding piece (300) includes disc shaped base that is substantially vertical with columnar projections (310) and being connected with each other;The disc shaped base of the guiding piece (300) is connected through a screw thread the plate-like that part (301) is connected to the expansion part (100) On base portion.
- 4. expansion tool according to claim 3, it is characterised in thatFormed with tapered leading edge (111) on the end of the tubular of the expansion part (100) raised (110), for guiding The tubular raised (110) for stating expansion part (100) enters in the endoporus of the intermediate insulation joint (40).
- 5. expansion tool according to claim 4, it is characterised in thatEach expansion part (100) is made up of the first expansion halfbody (100a) and the second expansion halfbody (100b);AndThe first expansion halfbody (100a) and the second expansion halfbody (100b) are clamped in one by the clamping element (200) Rise, to form a complete expansion part (100).
- 6. expansion tool according to claim 5, it is characterised in thatEach clamping element (200) includes:First annular halfbody (200a);WithSecond annular halfbody (200b),The first annular halfbody (200a) and the second annular halfbody (200b) are assembled to each other, and are clamped in expansion On the excircle of the disc shaped base of part (100).
- 7. expansion tool according to claim 6, it is characterised in thatThe both sides of the first annular halfbody (200a) are respectively formed with the first connection bump (210a);The both sides of the second annular halfbody (200b) are respectively formed with the second connection bump (210b);AndFirst connection bump (210a) and the second connection bump (210b) are interconnected on by bolt (220) and nut (230) Together.
- 8. expansion tool according to claim 7, it is characterised in thatAfter the first annular halfbody (200a) and the second annular halfbody (200b) are assembled to each other, the spiral shell The part between the first connection bump (210a) and the second connection bump (210b) of bolt (220) is exposed;Each tension band (400) is wrapped in the part exposed of corresponding two bolts (220).
- 9. expansion tool according to claim 8, it is characterised in thatAfter the expansion tool and intermediate insulation joint (40) set are attached on one end of the first cable (10), the first cable (10) conductor cores (12) on one end pass through electrical connector (30) phase with the conductor cores (22) on one end of the second cable (20) Mutually it is electrically connected.
- 10. expansion tool according to claim 9, it is characterised in thatThe electrical connector (30) is metal crimp pipe, and the metal crimp pipe is crimped on leading on one end of the first cable (10) In conductor cores (22) on one end of body core (12) and the second cable (20).
- 11. expansion tool according to claim 1, it is characterised in thatThe tubular that the external diameter of the columnar projections (310) of the guiding piece (300) is substantially equal to the expansion part (100) is raised (110) internal diameter.
- 12. expansion tool according to claim 6, it is characterised in thatThe first annular halfbody (200a) of the first expansion halfbody (100a) and the clamping element (200) of the expansion part (100) Formation is integrated;AndSecond annular halfbody (200b) of the second expansion halfbody (100b) and the clamping element (200) of the expansion part (100) Formation is integrated.
- 13. one kind is used for the method for connecting the first cable (10) and the second cable (20), comprise the following steps:One intermediate insulation joint (40) is provided;Expansion tool as any one of claim 1-12 is provided;The expansion tool is installed on intermediate insulation joint (40), and uses expansion tool by intermediate insulation joint (40) Endoporus expands;The guiding piece (300) is removed from the expansion part (100);Expansion tool and intermediate insulation joint (40) set are attached on one end of the first cable (10) so that the first cable (10) One end passes through the tubular raised (110) of expansion tool and the endoporus of intermediate insulation joint (40);With electrical connector (30) by one end of the conductor cores (12) on one end of the first cable (10) and the second cable (20) Conductor cores (22) are electrically connected;The mobile intermediate insulation joint (40) and expansion tool mounted thereto, until the electrical connector (30) is complete It is received into entirely in the endoporus of intermediate insulation joint (40);WithThe expansion tool is removed from the intermediate insulation joint (40) so that intermediate insulation joint (40) is contracted in electrical connection On a part of insulating barrier (11,21) of part (30) and first and second cables (10,20) of electrical connector (30) both sides.
- 14. according to the method for claim 13, it is characterised in that:The electrical connector (30) is metal crimp pipe, and the metal crimp pipe is crimped on leading on one end of the first cable (10) In conductor cores (22) on one end of body core (12) and the second cable (20).
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CN201410359776.2A CN105337137B (en) | 2014-07-25 | 2014-07-25 | Expansion tool and the method for connecting the first and second cables |
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CN105337137B true CN105337137B (en) | 2018-01-30 |
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CN110789111B (en) * | 2018-08-01 | 2022-07-12 | 泰科电子(上海)有限公司 | Expansion device for telescopic tubes and method for expanding telescopic tubes using an expansion device |
CN112117714A (en) * | 2020-07-03 | 2020-12-22 | 长缆电工科技股份有限公司 | Cable intermediate joint installation method and expansion device |
CN112186467B (en) * | 2020-09-28 | 2022-01-11 | 上海满电未来智能科技有限公司 | Battery terminal insulating sleeve mounting device |
CN114188897B (en) * | 2021-11-25 | 2024-06-28 | 长缆科技集团股份有限公司 | Cable accessory and cable metal sheath treatment method |
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CN201191754Y (en) * | 2008-04-29 | 2009-02-04 | 江苏安靠超高压电缆附件有限公司 | Joint elastomer expanding apparatus for intermediate connecting joint of electric cable |
CN201456392U (en) * | 2009-08-28 | 2010-05-12 | 保定合力达应用化学有限公司 | Expansion machine of cable finger sleeve |
CN201656231U (en) * | 2009-09-29 | 2010-11-24 | 福建省邮电工程有限公司 | Feeder line connector expander |
CN202957541U (en) * | 2012-11-23 | 2013-05-29 | 吉唯达(上海)电气有限公司 | On-site separation device for intermediate joint of expansion cable |
CN204012153U (en) * | 2014-07-25 | 2014-12-10 | 泰科电子(上海)有限公司 | The expansion tool of intermediate insulation joint |
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GB0118328D0 (en) * | 2001-07-27 | 2001-09-19 | Tyco Electronics Raychem Nv | Sealing method and device |
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CN101310424A (en) * | 2005-10-19 | 2008-11-19 | 普雷斯曼电缆及***能源有限公司 | Method and apparatus for binding a pair of cables |
CN201191754Y (en) * | 2008-04-29 | 2009-02-04 | 江苏安靠超高压电缆附件有限公司 | Joint elastomer expanding apparatus for intermediate connecting joint of electric cable |
CN201456392U (en) * | 2009-08-28 | 2010-05-12 | 保定合力达应用化学有限公司 | Expansion machine of cable finger sleeve |
CN201656231U (en) * | 2009-09-29 | 2010-11-24 | 福建省邮电工程有限公司 | Feeder line connector expander |
CN202957541U (en) * | 2012-11-23 | 2013-05-29 | 吉唯达(上海)电气有限公司 | On-site separation device for intermediate joint of expansion cable |
CN204012153U (en) * | 2014-07-25 | 2014-12-10 | 泰科电子(上海)有限公司 | The expansion tool of intermediate insulation joint |
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