CN203301080U - A dedicated tool for expanding a power cable metallic sheath - Google Patents
A dedicated tool for expanding a power cable metallic sheath Download PDFInfo
- Publication number
- CN203301080U CN203301080U CN2013203400651U CN201320340065U CN203301080U CN 203301080 U CN203301080 U CN 203301080U CN 2013203400651 U CN2013203400651 U CN 2013203400651U CN 201320340065 U CN201320340065 U CN 201320340065U CN 203301080 U CN203301080 U CN 203301080U
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- expanding head
- expansion
- expanding
- head
- cable
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Abstract
The utility model discloses a dedicated tool for expanding a power cable metallic sheath. The dedicated tool comprises a handle, a first expanding head, and a second expanding head. The first expanding head is used for being inserted into the cable metallic sheath in order to expand the cable metallic sheath. The second expanding head is used for fixing the relative position of the first expanding head. The rear end of the first expanding head and the rear end of the second expanding head are both integrally formed with the handle. A hole is surrounded by the first expanding head and the second expanding head. An opening with a certain depth is formed between the front end of the first expanding head and the front end of the second expanding head and is communicated with the hole. The dedicated tool for expanding a power cable metallic sheath has effects of guaranteeing uniform fracture of the cable metallic sheath, not generating burrs, not damaging cable insulation, eliminating cable fault hidden troubles, and guaranteeing cable operating reliability. Multiple protrusions are formed at intervals on the surfaces of the first expanding head and/or the second expanding head and are capable of well bearing force in order to facilitate operation, wherein the surfaces of the first expanding head and/or the second expanding head are close to the opening. The dedicated tool is easy to produce and easy to manufacture in large batch and has low production cost.
Description
Technical field
The utility model relates to for electrical domain, particularly a kind of power cable metal sheath expansion specific purpose tool.
Background technology
According to the requirement of 110kV crosslinked cable mounting process, to expand the cable metal sheath fracture after divesting banded cable corrugated cable metallic sheath, traditional handicraft is to use combination pliers to expand, but easily produce burr, fracture is inhomogeneous, easily injure cable insulation, cause cable fault hidden danger, thereby the cable operational reliability is brought harm.
Summary of the invention
When being to provide a kind of expansion, the purpose of this utility model can guarantee the uniform power cable metal sheath expansion of cable metal sheath fracture specific purpose tool.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of power cable metal sheath expansion specific purpose tool, comprise handle, in order to stretch into the first expansion head of cable metal sheath inside being expanded by cable metal sheath and in order to the second expansion head of the relative position of fixing the first expansion head, the rear end of first and second expansion head all surrounds a hole in, middle part integrally formed with handle, between the front end of the front end of the first expansion head and the second expansion head, formation one has the opening of certain depth, and opening is communicated with hole.
Preferably, first an expansion front end is thick wedge structure after paracone, and the wedge structure of the first expansion head is widened gradually along the axial width of opening, makes it go deep into when cable metal sheath is inner and the cable metal sheath expansion can be horn shape.
Preferably, the second expansion head end adjacent with opening is arc-shaped structure, the second expansion head is close to the cable metal sheath outer wall in order to fix the relative position of the first expansion head when the first expansion head stretches into cable metal sheath inside, and the second this arc-shaped structure of expanding head can not hurt the cable metal sheath surface.
Preferably, on the first expansion head and/or the second expansion surface adjacent with opening, interval is formed with a plurality of projections, this rough surface has increased the frictional force of the contact-making surface on the first expansion head and/or the second expansion surface adjacent with opening, can be painstaking preferably, can not produce skidding, convenient operation.
Adopt power cable metal sheath expansion special tool of the present utility model to have following advantage:
1, guarantee after the expansion that the cable metal sheath fracture is even, do not produce burr, do not injure cable insulation, stop cable fault hidden danger, guarantee the cable operational reliability;
2, on the surface that the first expansion head and/or the second expansion head are adjacent with opening, interval is formed with a plurality of projections, can be painstaking preferably, can not produce skidding, convenient operation;
3, make simply, be easy to large-scale mass production, and production cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model power cable metal sheath expansion specific purpose tool.
Fig. 2 is the detail view of the utility model power cable metal sheath expansion specific purpose tool.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, be power cable metal sheath expansion specific purpose tool of the present utility model, 1 is handle, and 2 is the first expansion head, and 3 is the second expansion head, and 4 is opening, and 5 is hole.
As shown in Figure 2, the rear end of the rear end of the first expansion 2 and the second expansion 3 is all integrally formed with handle 1 and first expand 2 and second and expand 3 middle part and surround a hole 5.Between the front end of the front end of the first expansion 2 and the second expansion 3, formation one has the opening 4 of certain depth, and opening 4 is communicated with hole 5.
during use, the first expansion 2 is stretched into cable metal sheath inside cable metal sheath is expanded, simultaneously, stretch into cable metal sheath when inner in the first expansion 2, the second expansion 3 is close to the cable metal sheath outer wall in order to fix the relative position of the first expansion 2, the first expansion 2 and second is expanded interval on 3 surfaces adjacent with opening 4 and is formed with a plurality of projections, this rough surface has increased the frictional force of the contact-making surface on the first expansion the 2 and second expansion 3 surface adjacent with opening 4, can be painstaking preferably, can not produce skidding, convenient operation.Because first expansion 2 end adjacent with opening 4 are wedge structure, the wedge structure of the first expansion 2 is widened gradually along the axial width of opening 4, make it go deep into when cable metal sheath is inner and the cable metal sheath expansion can be horn shape, realize the expansion of cable metal sheath, and guarantee after expansion that the cable metal sheath fracture is even, do not produce burr, do not injure cable insulation, stop cable fault hidden danger, guarantee the cable operational reliability.
The above is only preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (4)
1. a power cable metal sheath is expanded specific purpose tool, it is characterized in that: comprise handle (1), in order to stretch into the first expansion head (2) of cable metal sheath inside being expanded by cable metal sheath and in order to the second expansion head (3) of the relative position of fixing described the first expansion head (2), described first, two expansion heads (2, 3) rear end is all integrally formed with described handle (1), middle part surrounds a hole (5), between the front end of the front end of described the first expansion head (2) and described the second expansion head (3), formation one has the opening (4) of certain depth, described opening (4) is communicated with hole (5).
2. power cable metal sheath according to claim 1 is expanded specific purpose tool, it is characterized in that: described first expansion head (a 2) front end is thick wedge structure after paracone.
3. power cable metal sheath according to claim 1 is expanded specific purpose tool, it is characterized in that: described second expansion head (a 3) end adjacent with described opening (4) is arc-shaped structure.
4. power cable metal sheath according to claim 1 is expanded specific purpose tool, it is characterized in that: described the first expansion head (2) and/or described second is expanded interval on head (3) surface adjacent with described opening (4) and is formed with a plurality of projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203400651U CN203301080U (en) | 2013-06-14 | 2013-06-14 | A dedicated tool for expanding a power cable metallic sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203400651U CN203301080U (en) | 2013-06-14 | 2013-06-14 | A dedicated tool for expanding a power cable metallic sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301080U true CN203301080U (en) | 2013-11-20 |
Family
ID=49577063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203400651U Expired - Lifetime CN203301080U (en) | 2013-06-14 | 2013-06-14 | A dedicated tool for expanding a power cable metallic sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666133A (en) * | 2016-07-29 | 2018-02-06 | 中国航发商用航空发动机有限责任公司 | Cable special installation tool |
-
2013
- 2013-06-14 CN CN2013203400651U patent/CN203301080U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666133A (en) * | 2016-07-29 | 2018-02-06 | 中国航发商用航空发动机有限责任公司 | Cable special installation tool |
| CN107666133B (en) * | 2016-07-29 | 2020-01-14 | 中国航发商用航空发动机有限责任公司 | Special mounting tool for cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |