CN103280738A - Overhead ground wire lifting device - Google Patents
Overhead ground wire lifting device Download PDFInfo
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- CN103280738A CN103280738A CN2013102193466A CN201310219346A CN103280738A CN 103280738 A CN103280738 A CN 103280738A CN 2013102193466 A CN2013102193466 A CN 2013102193466A CN 201310219346 A CN201310219346 A CN 201310219346A CN 103280738 A CN103280738 A CN 103280738A
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- screw
- ground wire
- overhead ground
- hook
- support arm
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Abstract
The invention relates to an overhead ground wire lifting device which comprises a supporting arm, a screw nut, a screw rod, a hook and a hand shank, wherein the screw nut is in rotating connection with the supporting arm, the screw rod penetrates through the screw nut and is in threaded connection with the screw nut, the hook is connected with one end of the screw rod, and the hand shank is fixedly connected with the screw rod. The supporting arm comprises an installation part which is used for installing the overhead ground wire lifting device on an iron tower. The hand shank and the hook are located on two sides of the screw nut respectively. The overhead ground wire lifting device not only can stably lift overhead ground wires, but also is small in occupied space and convenient to use.
Description
Technical field
The present invention relates to the power equipment lowering or hoisting gear, relate in particular to a kind of overhead ground wire lowering or hoisting gear.
Background technology
Overhead ground wire is called lightning conducter again, and the electric current that is used for thunder and lightning is produced is introduced the earth, destroys transmission facility to prevent the electric current that thunder and lightning produces.In using for a long time, owing to be used for clamping overhead ground wire and the wire clamp that overhead ground wire is suspended in the high-altitude can be relaxed gradually, so under the situation that does not adopt the good locking measure of 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, even overhead ground wire is disconnected.Therefore, need 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 fault such as wearing and tearing, disconnected strand, broken strand, 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, complicated operating process, 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 the tram in order to beat wire clamp with spanner, and this mode of operation is damaged overhead ground wire easily, influences handling safety thereby instant impact also can make iron tower produce to rock.This shows that the fail safe of said method can not get ensureing that overhaul efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of can being installed in be used to the easy device that is used for the lifting overhead ground wire on the iron tower that installs electric wiring.
In order to solve the problems of the technologies described above, the invention provides a kind of overhead ground wire lowering or hoisting gear, comprising:
Support arm, the screw that is rotationally connected with described support arm, pass screw mandrel, the hook that is connected with an end of described screw mandrel and the handle of fixedlying connected with described screw mandrel that described screw and described screw are threaded, wherein, described support arm comprises that described handle and described hook are positioned at the both sides of described screw for the installation portion that the overhead ground wire lowering or hoisting gear is installed on the iron tower.
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 hollow connecting member, described connector is fixedlyed connected with described screw mandrel, offer installing hole on the described connector, the end that described hook is connected with described connector is provided be used to stretching into and be limited in the 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 that diameter is greater than the diameter sphere of described installing hole.
In order to solve the problems of the technologies described above, the present invention also provides another kind of overhead ground wire lowering or hoisting gear, comprises support arm and the screw-threaded shaft elevator structure that arranges symmetrically at the two ends of described support arm,
Wherein said support arm comprises for the installation portion that the overhead ground wire lowering or hoisting gear is installed on the iron tower;
Described screw-threaded shaft elevator structure comprises: the screw that is rotationally connected with described support arm; Pass the screw mandrel that described screw is threaded with described screw; The hook that is connected with an end of described screw mandrel; With the handle that described screw mandrel is fixedlyed connected, 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 hollow connecting member, described connector is fixedlyed connected with described screw mandrel, offer installing hole on the described connector, the end that described hook is connected with described connector is provided be used to stretching into and be limited in the 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 that diameter is greater than the diameter sphere of described installing hole.
Overhead ground wire lowering or hoisting gear provided by the invention not only can promote overhead ground wire reposefully, and it is little, easy to use to take up room.
Description of drawings
Fig. 1 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention one;
Fig. 2 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention two;
Fig. 3 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention three;
Fig. 4 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention four.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail, but not as a limitation of the invention.
Fig. 1 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention one.As shown in Figure 1, overhead ground wire lowering or hoisting gear 1 comprises: support arm 2, the screw 4 that is rotationally connected with support arm 2, pass screw mandrel 5, the hook 6 that is connected with an end of screw mandrel 5 that screw 4 and screw 4 be threaded and the handle 7 of fixedlying connected with screw mandrel 5, wherein, support arm 2 comprises that for the installation portion 8 that overhead ground wire lowering or hoisting gear 1 is installed on the iron tower (not shown) 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) that matches with the internal thread of screw 4.According to preferred version, screw 4 is connected to by symmetrically arranged pair of rotary axes 3 and realizes being rotationally connected of screw 4 and support arm 2 on the support arm 2.
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 the iron tower, make the flat outer rim of iron 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 ridden on the hook 6; The axis that uses handle 7 to drive screw mandrel 5 wire winding rods 5 then rotates along a direction, being threaded between screw 4 and the 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 present embodiment provides can be installed on the iron 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 the orientation of hook with respect to the screw that support arm rotates more easily.
Continuation is with reference to Fig. 1, hook 6 is connected with screw mandrel 5 by hollow connecting member 9, connector 9 is fixedlyed connected with screw mandrel 5, offer installing hole 10 on the connector 9, hook 6 ends that are connected with connector 9 are provided be used to stretching into and be limited in the installing hole 10 and making hook 6 and connector 9 lock part 11 in relative rotation.According to preferred version, installing hole 10 is circular, and lock part 11 is that diameter is greater than the diameter sphere of installing hole 10.Handle 7 can drive screw mandrel 5 and connector 9 rotates together, and spherical lock part 11 does not rotate with screw mandrel 5 and connector 9, but makes hook 6 along with screw mandrel 5 moves axially, thereby can reduce the frictional force between lock part 11 and the connector 9.
Fig. 2 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention two.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 that arranges symmetrically about screw 4.Screw can be fixed on overhead ground wire lowering or hoisting gear 1 on the iron tower.In the process that promotes overhead ground wire, can guarantee the evenly stressed of support arm 2 like this.Described middle part is preferably this to the mid point of short line between the screw.Other structures are identical with embodiment one.
Fig. 3 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention three.Overhead ground wire lowering or hoisting gear 1 comprises support arm 2 and the screw-threaded shaft elevator structure that arranges symmetrically at the two ends of support arm 2,
Wherein, support arm 2 comprises for the installation portion 8 that the overhead ground wire lowering or hoisting gear is installed on the iron tower; The screw-threaded shaft elevator structure comprises: the screw 4 that is rotationally connected with support arm 2; Pass the screw mandrel 5 that screw 4 is threaded with screw 4; The hook 6 that is connected with an end of screw mandrel 5; Vertical with screw mandrel 5 and fixedly connected 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, present embodiment is provided with the lock part 11 with the similar connector 9 of embodiment one and hook 6 equally, and wherein the middle part of support arm is preferably between the screw-threaded shaft elevator structure of symmetry the mid point of short line.
The mode of operation of the overhead ground wire lowering or hoisting gear 1 of present embodiment and the mode of operation of embodiment one are similar.In addition, present embodiment uses two screw-threaded shaft elevator structures to lift overhead ground wire, can make support arm stressed even like this, makes the lifting of overhead ground wire more steady, also has advantage simple to operate, easy to use simultaneously.
Fig. 4 is the structural representation of the overhead ground wire lowering or hoisting gear of the embodiment of the invention four.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.Can arrange on the support arm 2 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 situation that the outer rim of iron tower crossbeam is narrower.Other structures are identical with embodiment three.
In sum, overhead ground wire lowering or hoisting gear provided by the invention can be installed on the iron tower easily, can promote overhead ground wire reposefully, and it is little to take up room simultaneously.
Above embodiment is exemplary embodiment of the present invention only, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection range, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. an overhead ground wire lowering or hoisting gear is characterized in that, comprising:
Support arm, the screw that is rotationally connected with described support arm, pass screw mandrel, the hook that is connected with an end of described screw mandrel and the handle of fixedlying connected with described screw mandrel that described screw and described screw are threaded, wherein, described support arm comprises that described handle and described hook are positioned at the both sides of described screw for the installation portion that the overhead ground wire lowering or hoisting gear is installed on the iron tower.
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 each described overhead ground wire lowering or hoisting gear in the claim 1 to 3, it is characterized in that, described hook is connected with described screw mandrel by hollow connecting member, described connector is fixedlyed connected with described screw mandrel, offer installing hole on the described connector, the end that described hook is connected with described connector is provided be used to stretching into and be limited in the 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 that diameter is greater than the diameter sphere 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 that arranges symmetrically at the two ends of described support arm,
Wherein said support arm comprises for the installation portion that the overhead ground wire lowering or hoisting gear is installed on the iron tower;
Described screw-threaded shaft elevator structure comprises: the screw that is rotationally connected with described support arm; Pass the screw mandrel that described screw is threaded with described screw; The hook that is connected with an end of described screw mandrel; With the handle that described screw mandrel is fixedlyed connected, 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 each described overhead ground wire lowering or hoisting gear in the claim 6 to 8, it is characterized in that, described hook is connected with described screw mandrel by hollow connecting member, described connector is fixedlyed connected with described screw mandrel, offer installing hole on the described connector, the end that described hook is connected with described connector is provided be used to stretching into and be limited in the 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 that diameter is greater than the diameter sphere of described installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219346.6A CN103280738B (en) | 2013-06-04 | 2013-06-04 | Aerial earth wire lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219346.6A CN103280738B (en) | 2013-06-04 | 2013-06-04 | Aerial earth wire lowering or hoisting gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103280738A true CN103280738A (en) | 2013-09-04 |
| CN103280738B CN103280738B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310219346.6A Active CN103280738B (en) | 2013-06-04 | 2013-06-04 | Aerial earth wire lowering or hoisting gear |
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| Country | Link |
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| CN (1) | CN103280738B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305314A (en) * | 2015-12-09 | 2016-02-03 | 国网四川省电力公司达州供电公司 | Distribution network straightway line lifting device |
| CN105439050A (en) * | 2015-12-21 | 2016-03-30 | 广州地铁集团有限公司 | L1, L2 and L3 type rail train linear motor rescuing and lifting device |
| CN105439051A (en) * | 2015-12-21 | 2016-03-30 | 广州地铁集团有限公司 | L4 type rail train linear motor rescue hoisting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184927A (en) * | 2003-12-17 | 2005-07-07 | Kansai Electric Power Co Inc:The | Device for lifting overhead wire |
| JP2009278693A (en) * | 2008-05-12 | 2009-11-26 | Tokyo Electric Power Co Inc:The | Removing device of suspension clamp for earth wire |
| CN201584697U (en) * | 2009-12-03 | 2010-09-15 | 保定供电公司 | Overhead ground wire crossarm clamp used on 500KV transmission line steel tower |
| CN102290763A (en) * | 2011-04-27 | 2011-12-21 | 江苏华厦电力成套设备有限公司 | Pre-twisted double-bundle conductor anti-slip ball-hinge spacer |
| CN102709845A (en) * | 2012-06-11 | 2012-10-03 | 宜昌供电公司输电中心 | Ground wire lifter |
| CN203312703U (en) * | 2013-06-04 | 2013-11-27 | 国家电网公司 | Overhead ground wire elevating device |
-
2013
- 2013-06-04 CN CN201310219346.6A patent/CN103280738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184927A (en) * | 2003-12-17 | 2005-07-07 | Kansai Electric Power Co Inc:The | Device for lifting overhead wire |
| JP2009278693A (en) * | 2008-05-12 | 2009-11-26 | Tokyo Electric Power Co Inc:The | Removing device of suspension clamp for earth wire |
| CN201584697U (en) * | 2009-12-03 | 2010-09-15 | 保定供电公司 | Overhead ground wire crossarm clamp used on 500KV transmission line steel tower |
| CN102290763A (en) * | 2011-04-27 | 2011-12-21 | 江苏华厦电力成套设备有限公司 | Pre-twisted double-bundle conductor anti-slip ball-hinge spacer |
| CN102709845A (en) * | 2012-06-11 | 2012-10-03 | 宜昌供电公司输电中心 | Ground wire lifter |
| CN203312703U (en) * | 2013-06-04 | 2013-11-27 | 国家电网公司 | Overhead ground wire elevating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305314A (en) * | 2015-12-09 | 2016-02-03 | 国网四川省电力公司达州供电公司 | Distribution network straightway line lifting device |
| CN105439050A (en) * | 2015-12-21 | 2016-03-30 | 广州地铁集团有限公司 | L1, L2 and L3 type rail train linear motor rescuing and lifting device |
| CN105439051A (en) * | 2015-12-21 | 2016-03-30 | 广州地铁集团有限公司 | L4 type rail train linear motor rescue hoisting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103280738B (en) | 2016-08-17 |
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| CB02 | Change of applicant information |
Address after: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Applicant after: LANGFANG POWER SUPPLY COMPANY, STATE GRID JIBEI ELECTRIC POWER Co.,Ltd. Applicant after: State Grid Corporation of China Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: LANGFANG POWER SUPPLY COMPANY, STATE GRID JIBEI ELECTRIC POWER Co.,Ltd. Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant after: State Grid Corporation of China Applicant after: LANGFANG POWER SUPPLY COMPANY, STATE GRID JIBEI ELECTRIC POWER Co.,Ltd. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Langfang Power Supply Company, Jibei Electric Power Co.,Ltd. |
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