CN203312703U - Overhead ground wire elevating device - Google Patents
Overhead ground wire elevating device Download PDFInfo
- Publication number
- CN203312703U CN203312703U CN2013203191317U CN201320319131U CN203312703U CN 203312703 U CN203312703 U CN 203312703U CN 2013203191317 U CN2013203191317 U CN 2013203191317U CN 201320319131 U CN201320319131 U CN 201320319131U CN 203312703 U CN203312703 U CN 203312703U
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- Prior art keywords
- ground wire
- screw
- overhead ground
- support arm
- hook
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003028 elevating effect Effects 0.000 title abstract 5
- 238000009434 installation Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
The utility model relates to an overhead ground wire elevating device comprising a supporting arm, a screw nut which is rotatably connected with the supporting arm, a screw rod, a hook connected with an end of the screw rod, and a handle fixedly connected with the screw rod, wherein the screw rod runs through the screw nut and is connected with the screw nut in a threaded manner, the supporting arm comprises an installation part used for installing the overhead ground wire elevating device on an iron tower, and the handle and the hook are arranged at two sides of the screw nut. The overhead ground wire elevating device provided in the utility model is characterized by capability of stably elevating an overhead ground wire, small occupied space and convenient-to-use property.
Description
Technical field
The utility model relates to the power equipment lowering or hoisting gear, relates in particular to a kind of overhead ground wire lowering or hoisting gear.
Background technology
Overhead ground wire is called again lightning conducter, introduces the earth for the electric current that thunder and lightning is produced, and destroys transmission facility to prevent the electric current that thunder and lightning produces.In using for a long time, due to be used to clamping overhead ground wire and the wire clamp that overhead ground wire is suspended in high-altitude can being relaxed gradually, so in the situation that do not adopt the locking measure of good wire clamp, overhead ground wire can misplace with wire clamp.When the dislocation of overhead ground wire and wire clamp, the supporting point of overhead ground wire can change, overhead ground wire also can with the mutual friction of wire clamp phase.If things go on like this, the comparatively fragile internal structure of overhead ground wire is sustained damage, overhead ground wire is disconnected.Therefore, need to overhaul overhead ground wire.
According to " overhead transmission line operating standard " regulation (DL/T741-2010), when overhauling, must open the wire clamp of overhead ground wire, to check the fault such as wearing and tearing, disconnected strand, broken strand, electric discharge burn and to carry out fault restoration.In existing inspection operation, a kind of mode of operation is that operating personnel support overhead ground wire in order to unclamp wire clamp and the position of adjustment wire clamp with the alternative wire clamp of shoulder, and this mode of operation can make operating personnel's shoulder injured, and coefficient of safety is low.Another kind of mode of operation is to utilize chain block to substitute wire clamp to lift overhead ground wire in order to open wire clamp and repair overhead ground wire, and the instrument that this mode of operation is used takes up room greatly, the operating process complexity, and the operating personnel that need are many.Also having a kind of mode of operation is not exclusively to unclamp wire clamp to make wire clamp enter tram in order to beat wire clamp with spanner, and this mode of operation is easily damaged overhead ground wire, affects handling safety thereby instant impact also can make steel tower produce to rock.As can be seen here, the fail safe of said method can not get guarantee, and overhaul efficiency is low.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of can being arranged on be used to the easy device for the lifting overhead ground wire on the steel tower installed electric wiring.
In order to solve the problems of the technologies described above, the utility model provides a kind of overhead ground wire lowering or hoisting gear, comprising:
Support arm, the screw be rotationally connected with described support arm, pass screw mandrel, the hook be connected with an end of described screw mandrel and the handle be fixedly connected with described screw mandrel that described screw and described screw are threaded, wherein, described support arm comprises that for the overhead ground wire lowering or hoisting gear is arranged on to the installation portion on steel tower, described handle and described hook are positioned at the both sides of described screw.
Preferably, the slit of described installation portion for offering towards a side of described hook at described support arm.
Preferably, described screw is arranged on the middle part of described support arm, described installation portion at least one pair of screw for arranging symmetrically about described screw.
Preferably, described hook is connected with described screw mandrel by the connector of hollow, described connector is fixedly connected with described screw mandrel, on described connector, offer installing hole, the end that described hook is connected with described connector is provided be used to stretching into and be limited in described installing hole and making described hook and described connector lock part in relative rotation.
Preferably, described installing hole is circular, and described lock part is the spheroid that diameter is greater than the diameter of described installing hole.
In order to solve the problems of the technologies described above, the utility model also provides another kind of overhead ground wire lowering or hoisting gear, comprises support arm and the screw-threaded shaft elevator structure arranged symmetrically at the two ends of described support arm,
Wherein said support arm comprises for the overhead ground wire lowering or hoisting gear is arranged on to the installation portion on steel tower;
Described screw-threaded shaft elevator structure comprises: the screw be rotationally connected with described support arm; Pass the screw mandrel that described screw is threaded with described screw; The hook be connected with an end of described screw mandrel; With the handle that described screw mandrel is fixedly connected with, wherein said handle and described hook are positioned at the both sides of described screw.
Preferably, the slit of described installation portion for offering towards the middle part of a side of described hook at described support arm.
Preferably, described installation portion at least one pair of screw for arranging symmetrically about the middle part of described support arm.
Preferably, described hook is connected with described screw mandrel by the connector of hollow, described connector is fixedly connected with described screw mandrel, on described connector, offer installing hole, the end that described hook is connected with described connector is provided be used to stretching into and be limited in described installing hole and making described hook and described connector lock part in relative rotation.
Preferably, described installing hole is circular, and described lock part is the spheroid that diameter is greater than the diameter of described installing hole.
The overhead ground wire lowering or hoisting gear that the utility model provides not only can promote overhead ground wire reposefully, and it is little, easy to use to take up room.
The accompanying drawing explanation
Fig. 1 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment mono-;
Fig. 2 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment bis-;
Fig. 3 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment tri-;
Fig. 4 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment tetra-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Fig. 1 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment mono-.As shown in Figure 1, overhead ground wire lowering or hoisting gear 1 comprises: support arm 2, the screw 4 be rotationally connected with support arm 2, pass screw mandrel 5, the hook 6 be connected with an end of screw mandrel 5 that screw 4 and screw 4 be threaded and the handle 7 be fixedly connected with screw mandrel 5, wherein, support arm 2 comprises for overhead ground wire lowering or hoisting gear 1 being arranged on to the installation portion 8 on the steel tower (not shown), and handle 7 and hook 6 are positioned at the both sides of screw 4.Screw 4 is provided with the internal thread (not shown), and screw mandrel 5 is provided with the external screw thread (not shown) matched with the internal thread of screw 4.According to preferred version, screw 4 is connected on support arm 2 and realizes being rotationally connected of screw 4 and support arm 2 by symmetrically arranged pair of rotary axes 3.
In the present embodiment, the slit of installation portion 8 for offering towards a side of hook 6 at support arm 2.In use, overhead ground wire lowering or hoisting gear 1 can be arranged on steel tower, make the flat outer rim of steel tower crossbeam stretch into slit, the angle of the screw 4 that adjustment can be rotated with respect to support arm 2, and overhead ground wire is ridden on hook 6; Then the axis that uses handle 7 to drive screw mandrel 5 wire winding rods 5 rotates along a direction, being threaded between screw 4 and screw mandrel 5 can make wire winding rod 5 carry out rectilinear motion along its axis, thereby can lift overhead ground wire, 7 of turning handles can make overhead ground wire descend in opposite direction.The device that the present embodiment provides can be arranged on steel tower at an easy rate, after hooking overhead ground wire, just can lift overhead ground wire by turning handle, operate simpler, and by can adjusting more easily the orientation of hook with respect to the screw that support arm rotates.
Continuation is with reference to Fig. 1, hook 6 is connected with screw mandrel 5 by the connector 9 of hollow, connector 9 is fixedly connected with screw mandrel 5, on connector 9, offer installing hole 10, hook 6 ends that are connected with connector 9 are provided be used to stretching into and be limited in installing hole 10 and making to link up with 6 and connector 9 lock part 11 in relative rotation.According to preferred version, installing hole 10 is circular, and lock part 11 is greater than the spheroid of the diameter of installing hole 10 for diameter.Handle 7 can drive screw mandrel 5 and connector 9 rotates together, and spherical lock part 11 does not rotate together with screw mandrel 5 and connector 9, but makes to link up with 6 along with screw mandrel 5 moves axially, thereby can reduce the frictional force between lock part 11 and connector 9.
Fig. 2 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment bis-.As shown in Figure 2, screw 4 is arranged on the middle part of support arm 2, and installation portion 8 is at least one pair of screw arranged symmetrically about screw 4.Screw can be fixed on overhead ground wire lowering or hoisting gear 1 on steel tower.In the process that promotes overhead ground wire, can guarantee like this uniform stressed of support arm 2.Described middle part is preferably this mid point to the shortest route between screw.Other structures are identical with embodiment mono-.
Fig. 3 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment tri-.Overhead ground wire lowering or hoisting gear 1 comprises support arm 2 and the screw-threaded shaft elevator structure arranged symmetrically at the two ends of support arm 2,
Wherein, support arm 2 comprises for the overhead ground wire lowering or hoisting gear being arranged on to the installation portion 8 on steel tower; The screw-threaded shaft elevator structure comprises: the screw 4 be rotationally connected with support arm 2; Pass the screw mandrel 5 that screw 4 is threaded with screw 4; The hook 6 be connected with an end of screw mandrel 5; Vertical with screw mandrel 5 and be fixedly connected with handle 7, wherein handle 7 and hook 6 are positioned at the both sides of screw 4.According to preferred scheme, screw 4 is connected to support arm 2 by symmetrically arranged pair of rotary axes 3, the slit of installation portion 8 for offering towards the middle part of a side of hook 6 at support arm 2.In addition, the present embodiment is provided with the lock part 11 with the similar connector 9 of embodiment mono-and hook 6 equally, and wherein the middle part of support arm is preferably the mid point of the shortest route between symmetrical screw-threaded shaft elevator structure.
The mode of operation of the overhead ground wire lowering or hoisting gear 1 of the present embodiment and the mode of operation of embodiment mono-are similar.In addition, the present embodiment lifts overhead ground wire with two screw-threaded shaft elevator structures, can make like this support arm stressed even, makes the lifting of overhead ground wire more steady, also has advantages of simple to operate, easy to use simultaneously.
Fig. 4 is the structural representation of the overhead ground wire lowering or hoisting gear of the utility model embodiment tetra-.As shown in Figure 4, at least one pair of screw of arranging symmetrically for the middle part about support arm 2 of installation portion 8.On support arm 2, can arrange and be suitable for the through hole that this screw passes, an end of screw is to the direction bending of vertical this screw, and screw passes described through hole and is provided with nut at the other end, and this screw is applicable to the narrower situation of outer rim of steel tower crossbeam.Other structures are identical with embodiment tri-.
In sum, the overhead ground wire lowering or hoisting gear that the utility model provides can be arranged on steel tower easily, can promote reposefully overhead ground wire, takes up room simultaneously little.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection range of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection range, this modification or be equal to replacement and also should be considered as dropping in protection range of the present utility model.
Claims (10)
1. an overhead ground wire lowering or hoisting gear, is characterized in that, comprising:
Support arm, the screw be rotationally connected with described support arm, pass screw mandrel, the hook be connected with an end of described screw mandrel and the handle be fixedly connected with described screw mandrel that described screw and described screw are threaded, wherein, described support arm comprises that for the overhead ground wire lowering or hoisting gear is arranged on to the installation portion on steel tower, described handle and described hook are positioned at the both sides of described screw.
2. overhead ground wire lowering or hoisting gear according to claim 1, is characterized in that, the slit of described installation portion for offering towards a side of described hook at described support arm.
3. overhead ground wire lowering or hoisting gear according to claim 1, is characterized in that, described screw is arranged on the middle part of described support arm, described installation portion at least one pair of screw for arranging symmetrically about described screw.
4. according to the described overhead ground wire lowering or hoisting gear of any one in claims 1 to 3, it is characterized in that, described hook is connected with described screw mandrel by the connector of hollow, described connector is fixedly connected with described screw mandrel, on described connector, offer installing hole, the end that described hook is connected with described connector is provided be used to stretching into and be limited in described installing hole and making described hook and described connector lock part in relative rotation.
5. overhead ground wire lowering or hoisting gear according to claim 4, is characterized in that, described installing hole is circular, and described lock part is the spheroid that diameter is greater than the diameter of described installing hole.
6. an overhead ground wire lowering or hoisting gear, is characterized in that, comprises support arm and the screw-threaded shaft elevator structure arranged symmetrically at the two ends of described support arm,
Wherein said support arm comprises for the overhead ground wire lowering or hoisting gear is arranged on to the installation portion on steel tower;
Described screw-threaded shaft elevator structure comprises: the screw be rotationally connected with described support arm; Pass the screw mandrel that described screw is threaded with described screw; The hook be connected with an end of described screw mandrel; With the handle that described screw mandrel is fixedly connected with, wherein said handle and described hook are positioned at the both sides of described screw.
7. overhead ground wire lowering or hoisting gear according to claim 6, is characterized in that, the slit of described installation portion for offering towards the middle part of a side of described hook at described support arm.
8. overhead ground wire lowering or hoisting gear according to claim 6, is characterized in that, at least one pair of screw that described installation portion arranges symmetrically for the middle part about described support arm.
9. according to the described overhead ground wire lowering or hoisting gear of any one in claim 6 to 8, it is characterized in that, described hook is connected with described screw mandrel by the connector of hollow, described connector is fixedly connected with described screw mandrel, on described connector, offer installing hole, the end that described hook is connected with described connector is provided be used to stretching into and be limited in described installing hole and making described hook and described connector lock part in relative rotation.
10. overhead ground wire lowering or hoisting gear according to claim 9, is characterized in that, described installing hole is circular, and described lock part is the spheroid that diameter is greater than the diameter of described installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203191317U CN203312703U (en) | 2013-06-04 | 2013-06-04 | Overhead ground wire elevating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203191317U CN203312703U (en) | 2013-06-04 | 2013-06-04 | Overhead ground wire elevating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312703U true CN203312703U (en) | 2013-11-27 |
Family
ID=49618878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203191317U Expired - Lifetime CN203312703U (en) | 2013-06-04 | 2013-06-04 | Overhead ground wire elevating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280738A (en) * | 2013-06-04 | 2013-09-04 | 国家电网公司 | Overhead ground wire lifting device |
-
2013
- 2013-06-04 CN CN2013203191317U patent/CN203312703U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280738A (en) * | 2013-06-04 | 2013-09-04 | 国家电网公司 | Overhead ground wire lifting device |
| CN103280738B (en) * | 2013-06-04 | 2016-08-17 | 国网冀北电力有限公司廊坊供电公司 | Aerial earth wire lowering or hoisting gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |