CN112490030B - Folding operating rod - Google Patents
Folding operating rod Download PDFInfo
- Publication number
- CN112490030B CN112490030B CN202011380880.1A CN202011380880A CN112490030B CN 112490030 B CN112490030 B CN 112490030B CN 202011380880 A CN202011380880 A CN 202011380880A CN 112490030 B CN112490030 B CN 112490030B
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- pipe
- butt joint
- tube
- insulating
- threaded
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention belongs to the technical field of power equipment, and discloses a folding operating rod which comprises a plurality of insulating pipes, wherein two adjacent insulating pipes are connected through a connecting mechanism, the connecting mechanism comprises a butt joint pipe, a connecting assembly and a locking assembly, the butt joint pipe is fixedly connected with one of the two adjacent insulating pipes, one end of the connecting assembly is hinged with the butt joint pipe, the other end of the connecting assembly is arranged in the locking assembly, the locking assembly is connected with the other of the two adjacent insulating pipes, and when the two adjacent insulating pipes rotate relatively until the axes are coincident, the locking assembly extends into the butt joint pipe to lock the two adjacent insulating pipes. When using, rotate to the axis coincidence to every adjacent two sections insulating tubes in a plurality of sections insulating tubes, the locking subassembly stretches into and locks in the butt joint pipe, and the position of a plurality of sections insulating tubes is fixed, and when not using, the locking subassembly breaks away from the butt joint pipe in order to relieve the locking, and a plurality of sections insulating tubes can be folded, and folding back occupation space is little, is convenient for carry and save.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a folding operating rod.
Background
The operating rod, also known as an insulating operating rod, a brake pull rod, an insulating rod, a high-voltage operating rod and a common name multi-purpose brake operating rod can be connected with an electroscope to form an electroscope for electroscopy. Currently, there are two types of levers: overlap-type and telescopic, telescopic because probably can have the foreign matter card to hinder and cause the operating lever not all to pull out and cause personnel's live equipment safe distance not enough risk, consequently less use. And refute the formula and need be assembled operating lever and electroscope by ground personnel and form the electricity testing stick and go up through the transmission of suspender rope, the equipment that operating personnel is close to the health a priori, confirm after no voltage, disassemble operating lever and place in the saddlebag or tie on suspender rope, then operating personnel goes to the equipment far away from the health and tests the electricity, need reassemble or take off on the suspender rope when arriving the equipment department far away from the health, test the electricity after, rethread suspender rope transmits for ground personnel, operating lever shift position is very inconvenient, lead to whole electricity testing process to consume about 2-3 minutes, operating time's increase has increaseed operating personnel's risk equally.
Disclosure of Invention
The invention aims to provide a folding operating rod to solve the problems that an existing operating rod is complex in installation and inconvenient to carry and store.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a foldable action bars, includes a plurality of sections insulating tubes, adjacent two connect through coupling mechanism between the insulating tube, coupling assembling and locking Assembly are drawn together to coupling mechanism, butt joint pipe and adjacent two a section fixed connection in the insulating tube, coupling assembling's one end with it is articulated to butt joint pipe, coupling assembling's the other end is arranged in the locking Assembly, locking Assembly and adjacent two another section in the insulating tube are connected, and when adjacent two the insulating tube rotates relatively to the axis coincidence, locking Assembly stretches into in the butt joint pipe, with adjacent two the insulating tube locking.
As preferred, the locking Assembly includes the internal thread pipe and has the external screw thread post that leads to the groove, internal thread pipe and adjacent two another festival fixed connection in the insulating tube, the external screw thread post sets up in the internal thread pipe and with internal thread pipe thread fit, coupling assembling sets up lead to the inslot, just coupling assembling drives the external screw thread post is relative the internal thread pipe removes along the axis, when adjacent two during the axis coincidence of insulating tube, the external screw thread post stretches into lock in the butt joint pipe.
Preferably, the connecting assembly comprises a connecting plate, one end of the connecting plate is hinged to the butt joint pipe, and the other end of the connecting plate is arranged in the external threaded column.
As preferred, coupling assembling still includes T shape column spinner, the one end of T shape column spinner with the connecting plate is arranged in one end in the external screw thread post is articulated, the other end of T shape column spinner is arranged in the internal screw thread pipe is kept away from in the one end of butt joint pipe, the internal screw thread pipe is provided with first groove of stepping down, the external screw thread post is provided with the second groove of stepping down, works as first groove of stepping down with the coincidence of second groove of stepping down just the external screw thread post does not stretch into during the butt joint pipe, the connecting plate passes first groove of stepping down and the second groove of stepping down, and it is relative the T shape column spinner rotates.
Preferably, the internal thread pipe comprises a threaded section and a non-threaded section, the external thread column is arranged in the threaded section, and one end, far away from the connecting plate, of the T-shaped rotating column is arranged in the non-threaded section.
Preferably, a boss is arranged between the threaded section and the unthreaded section, and the T-shaped rotary column is provided with a step which can be abutted against the boss.
Preferably, the female screw pipe is fixedly connected to the insulating pipe by an inner pipe, one end of the inner pipe is fixedly provided in the unthreaded section, and the other end of the inner pipe is fixedly provided in the insulating pipe.
Preferably, the butt joint pipe is provided with a third abdicating groove, and when the locking assembly does not extend into the butt joint pipe, the connecting assembly penetrates through the third abdicating groove and is opposite to the butt joint pipe in rotation.
Preferably, a hanging ring is arranged at one end of the insulating pipe, which is not connected with the connecting mechanism.
Preferably, the other end of the insulating tube, which is not connected with the connecting mechanism, is provided with a connecting device, and the connecting device is detachably connected with an electroscope.
The invention has the beneficial effects that: according to the foldable operating rod, one section of insulating pipe in two adjacent sections of insulating pipes is fixedly connected with a butt joint pipe, the other section of insulating pipe in the two adjacent sections of insulating pipes is connected with a locking assembly, one end of a connecting assembly is hinged with the butt joint pipe, and the other end of the connecting assembly is arranged in the locking assembly; when the folding operating rod is not used, the locking assembly is separated from the butt joint pipe, two adjacent sections of insulating pipes can rotate relatively, a plurality of sections of insulating pipes can be folded, and the folded folding operating rod occupies small space and is convenient to carry and store.
Drawings
FIG. 1 is a schematic view of the folding lever according to the present invention when unfolded;
FIG. 2 is a schematic view of the folding lever according to the present invention;
FIG. 3 is a schematic view of the connection mechanism of the folding lever provided by the present invention;
fig. 4 is an exploded view of the connection mechanism of the folding type operation lever provided by the present invention.
In the figure:
1. an insulating tube; 11. a hoisting ring; 12. a connecting device; 2. a connecting mechanism; 21. butt-joint pipes; 211. a third abdicating groove; 22. a connecting assembly; 221. a connecting plate; 222. a T-shaped spin column; 2221. a step; 23. a locking assembly; 231. an internally threaded tube; 2311. a first abdicating groove; 2312. a threaded section is arranged; 2313. no thread section; 2314. a boss; 232. an externally threaded post; 2321. a second abdicating groove; 24. an inner connecting pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides a folding operating rod, as shown in fig. 1 to 4, which includes a plurality of insulating pipes 1, two adjacent insulating pipes 1 are connected through a connecting mechanism 2, where the connecting mechanism 2 includes a butt pipe 21, a connecting assembly 22 and a locking assembly 23, the butt pipe 21 is fixedly connected to one of the two adjacent insulating pipes 1, one end of the connecting assembly 22 is fixedly connected to the butt pipe 21, the other end of the connecting assembly 22 is disposed in the locking assembly 23, and the locking assembly 23 is connected to the other of the two adjacent insulating pipes 1, when the folding operating rod is used, the two adjacent insulating pipes 1 are relatively rotated, when the two adjacent insulating pipes 1 are rotated until axes are coincident, the locking assembly 23 extends into the butt pipe 21, and the two adjacent insulating pipes 1 are locked; when the folding operating rod provided by the embodiment is used, the locking assembly 23 is separated from the butt joint pipe 21, and the two adjacent insulating pipes 1 rotate relatively to fold the two adjacent insulating pipes 1.
Alternatively, as shown in fig. 3, the locking assembly 23 includes an internal threaded pipe 231 and an external threaded stud 232 having a through slot, the internal threaded pipe 231 is fixedly connected to the other of the two adjacent insulating pipes 1, the external threaded stud 232 is disposed in the internal threaded pipe 231 and is in threaded fit with the internal threaded pipe 231, the connecting assembly 22 is disposed in the through slot, and the connecting assembly 22 drives the external threaded stud 232 to move along the axis relative to the internal threaded pipe 231, when the axes of the two adjacent insulating pipes 1 are overlapped, the external threaded stud 232 extends into the butt pipe 21 to lock, when the folding operating lever provided in this embodiment is used, the two adjacent insulating pipes 1 rotate relative to each other until the axes are overlapped, the one insulating pipe 1 fixedly connected to the butt pipe 21 rotates around the axis, the butt pipe 21 rotates to drive the connecting assembly 22 to rotate, so that the external threaded stud 232 outside the connecting assembly 22 rotates relative to the internal threaded pipe 231, and the external threaded stud 232 moves relative to the internal threaded pipe 231 along the axis relative to the internal threaded pipe 231 and moves relative to the connecting assembly 22 along the through slot, and the external threaded stud 232 extends into the butt pipe 21 to fix the positions of the two adjacent insulating pipes 1; when the folding type operating rod provided by the embodiment is used, the insulating tube 1 fixedly connected with the butt joint tube 21 reversely rotates around the axis, the butt joint tube 21 rotates to drive the connecting assembly 22 to rotate, so that the external threaded column 232 outside the connecting assembly 22 rotates relative to the internal threaded tube 231, similarly, the external threaded column 232 moves relative to the internal threaded tube 231 along the axis in the internal threaded tube 231 and moves relative to the connecting assembly 22 along the through groove, the external threaded column 232 is screwed out of the butt joint tube 21, the adjacent two sections of insulating tubes 1 are unlocked, and the adjacent two sections of insulating tubes 1 are rotated relatively to be folded.
The connecting assembly 22 of this embodiment includes the connecting plate 221, and one end of connecting plate 221 is articulated with butt joint pipe 21, and the other end of connecting plate 221 is arranged in external screw post 232, through setting up connecting plate 221, carries out relative rotation through connecting plate 221 and butt joint pipe 21 articulated department between two adjacent sections of insulating tube 1 to the realization is folded two adjacent sections of insulating tube 1.
Optionally, the connection assembly 22 further includes a T-shaped rotation column 222, one end of the T-shaped rotation column 222 is hinged to one end of the connection plate 221 disposed in the external thread column 232, and the other end of the T-shaped rotation column 222 is disposed in one end of the internal thread tube 231 remote from the docking tube 21, as shown in fig. 4, the internal thread tube 231 is provided with a first abdicating groove 2311, the external thread column 232 is provided with a second abdicating groove 2321, when the first abdicating groove 2311 and the second abdicating groove 2321 are overlapped and the external thread tube is not in a state of extending into the docking tube 21, the connection plate 221 and the T-shaped rotation column 222 rotate relatively around the position where they are hinged, and the two adjacent sections of the insulation tube 1 rotate relatively with the connection plate 221 and the T-shaped rotation column 222, thereby implementing the folding process, that is, when the folding type operation lever provided in this embodiment is not used, the external thread column 232 is disengaged from the docking tube 21, and when the first abdicating groove 2311 and the second abdicating groove 2321 are overlapped, the connection plate rotates relatively the T-shaped rotation column 222, and the two adjacent sections of the insulation tube 221 rotate relatively.
The internal threaded pipe 231 of the embodiment comprises a threaded section 2312 and a non-threaded section 2313, the threaded end is arranged at one end, close to the butt joint pipe 21, of the internal threaded pipe 231, the non-threaded section 2313 is arranged at one end, far away from the butt joint pipe 21, of the internal threaded pipe 231, the external threaded column 232 is arranged in the threaded section 2312, one end, far away from the connecting plate 221, of the T-shaped rotating column 222 is arranged in the non-threaded section 2313, and the T-shaped rotating column can rotate around an axis in the non-threaded section 2313. Through setting up no screw thread section 2313, the one end that the connecting plate 221 was kept away from to T shape revolving column 222 is rotatory around the axis in no screw thread section 2313, greatly reduced with the friction of internal thread pipe 231, and through being provided with screw thread section 2312, external screw thread post 232 sets up and has had screw thread section 2312, has guaranteed that external screw thread post 232 moves along the axis of internal thread pipe 231 better.
Optionally, a boss 2314 is arranged between the threaded section 2312 and the unthreaded section 2313, the T-shaped rotary column 222 is provided with a step 2221, and the step 2221 can abut against the boss 2314 to prevent the T-shaped rotary column 222 from moving to the end close to the connecting plate 221, so that the T-shaped rotary column 222 is limited.
Further, the female screw pipe 231 is fixedly connected to the insulating pipe 1 through the inner pipe 24, one end of the inner pipe 24 is fixedly disposed in the unthreaded section 2313, and rotation around the axis of the T-shaped rotary column 222 is not affected, the other end of the inner pipe 24 is fixedly disposed in the insulating pipe 1, and by providing the inner pipe 24, on the one hand, the female screw pipe 231 is fixedly connected to the insulating pipe 1, and on the other hand, the female screw pipe can be abutted to one end of the T-shaped rotary column 222 away from the connecting plate 221, so that the T-shaped rotary column 222 is prevented from moving to one end away from the connecting plate 221, and the T-shaped rotary column 222 is limited by being matched with the boss 2314.
As shown in fig. 4, the butt joint pipe 21 of the present embodiment is provided with a third yielding groove 211, and when the locking component 23 is not inserted into the butt joint pipe 21, the connecting component 22 can pass through the third yielding groove 211 and rotate relative to the butt joint pipe 21, so as to cooperate with the first yielding groove 2311 and the second yielding groove 2321, and better fold two adjacent sections of the insulating pipe 1.
The one end that insulating tube 1 of this embodiment is not connected with coupling mechanism 2 is provided with rings 11, through setting up rings 11, can use the foldable action bars that this embodiment provided through rings 11 and lifting rope cooperation on the one hand and shift, and on the other hand can pass through the rope with the foldable action bars that this embodiment provided and be in operating personnel wrist department, and the action bars drops from the hand during the prevention operation. The other end of the insulating tube 1, which is not connected with the connecting mechanism 2, is provided with a connecting device 12, the connecting device 12 is detachably connected with an electroscope, so that the electricity of the equipment to be tested is tested, and preferably, the connecting device 12 can be composed of a push-pull joint with one end arranged on the insulating rod 1 and a push-pull socket with one end arranged on the electroscope; the connecting means 12 may also be a screw with one end arranged on the insulating rod 1.
When the folding operating rod provided by the embodiment is used, two adjacent sections of the insulating tubes 1 are rotated until the insulating axes of the two sections of the insulating tubes are in a superposed state, one section of the insulating tube 1 is rotated around the axis, the connecting plate 221 drives the T-shaped rotating column 222 to rotate around the axis, and further drives the external thread column 232 to rotate around the axis in the internal thread tube 231, the external thread column 232 moves in the internal thread tube 231 towards the direction close to the butt joint tube 21, and locking is completed when the external thread column 232 extends into the butt joint tube 21; when the folding type operating rod provided by the embodiment is used, one section of the insulating tube 1 is rotated in the opposite direction around the axis, the connecting plate 221 drives the T-shaped rotating column 222 to rotate around the axis, and further drives the external threaded column 232 to rotate around the axis in the internal threaded tube 231, the external threaded column 232 moves in the direction away from the butt joint tube 21 in the internal threaded tube 231, when the external threaded column 232 is completely separated from the butt joint tube 21, the locking is released, one side, hinged to the butt joint tube 21, of the connecting plate 221 passes through the third abdicating groove 211 and rotates relative to the butt joint tube 21, and the position, overlapped with the second abdicating groove 2321, of one side, hinged to the T-shaped rotating column 222, of the connecting plate 221 rotates relative to the T-shaped rotating column 222, so that two adjacent sections of the insulating tube 1 are folded.
Example two
The embodiment provides a foldable operating rod, which is different from the first embodiment in that a connecting device 12 is detachably connected with an operating head, and the operating head is provided with a switching-off hook, so that switching-off, switching-on and other operations can be performed on a high-voltage line. When the foldable operating rod is used, the foldable operating rod provided by the embodiment is unfolded, and the operating head is installed on the insulating pipe 1 through the connecting device 12 to perform switching-off or switching-on a high-voltage line; when the use is finished, the folding operation rod of the embodiment is folded, then the operation head is detached, and finally, the folding operation rod and the operation head provided by the embodiment are stored.
The rest of the structure of this embodiment is the same as that of the first embodiment, and is not described again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A folding operating rod is characterized by comprising a plurality of sections of insulating tubes (1), wherein two adjacent sections of insulating tubes (1) are connected through a connecting mechanism (2), the connecting mechanism (2) comprises a butt joint tube (21), a connecting assembly (22) and a locking assembly (23), the butt joint tube (21) is fixedly connected with one section of the two adjacent sections of insulating tubes (1), one end of the connecting assembly (22) is hinged with the butt joint tube (21), the other end of the connecting assembly (22) is arranged in the locking assembly (23), the locking assembly (23) is connected with the other section of the two adjacent sections of insulating tubes (1), and when the two adjacent sections of insulating tubes (1) rotate relatively to the axis line coincidence, the locking assembly (23) extends into the butt joint tube (21) to lock the two adjacent sections of insulating tubes (1);
the locking assembly (23) comprises an internal threaded pipe (231) and an external threaded column (232) with a through groove, the internal threaded pipe (231) is fixedly connected with the other section of the two adjacent sections of the insulating pipe (1), the external threaded column (232) is arranged in the internal threaded pipe (231) and is in threaded fit with the internal threaded pipe (231), the connecting assembly (22) is arranged in the through groove, the connecting assembly (22) drives the external threaded column (232) to move along the axis relative to the internal threaded pipe (231), and when the axes of the two adjacent sections of the insulating pipes (1) coincide, the external threaded column (232) stretches into the butt joint pipe (21) to be locked;
the connecting assembly (22) comprises a connecting plate (221), one end of the connecting plate (221) is hinged with the butt joint pipe (21), and the other end of the connecting plate (221) is placed in the externally threaded column (232);
coupling assembling (22) still includes T shape swivel post (222), the one end of T shape swivel post (222) with connecting plate (221) is arranged in one end in external screw thread post (232) is articulated, the other end of T shape swivel post (222) is arranged in internal screw thread pipe (231) is kept away from in the one end of butt joint pipe (21), internal screw thread pipe (231) is provided with first groove of stepping down (2311), external screw thread post (232) is provided with second groove of stepping down (2321), butt joint pipe (21) is provided with third groove of stepping down (211), works as first groove of stepping down (2311) with second groove of stepping down (2321) coincidence just external screw thread post (232) does not stretch into when butt joint pipe (21), connecting plate (221) passes first groove of stepping down (2311), second groove of stepping down (2321) and third groove of stepping down (211), and relatively T shape swivel post (222) rotates.
2. The folding lever of claim 1, wherein the internally threaded tube (231) includes a threaded section (2312) and an unthreaded section (2313), the externally threaded post (232) being disposed within the threaded section (2312), an end of the T-shaped rotary post (222) distal from the link plate (221) being disposed within the unthreaded section (2313).
3. The folding lever of claim 2, wherein a boss (2314) is provided between the threaded section (2312) and the unthreaded section (2313), and the T-shaped rotary post (222) is provided with a step (2221), the step (2221) being capable of abutting against the boss (2314).
4. The folding lever of claim 3, wherein the internally threaded tube (231) is fixedly connected to the insulating tube (1) by means of an inner tube (24), one end of the inner tube (24) being fixedly arranged within the unthreaded section (2313) and the other end of the inner tube (24) being fixedly arranged within the insulating tube (1).
5. The folding lever of any one of claims 1-4 wherein the connecting member (22) rotates relative to the docking tube (21) through the third relief groove (211) when the locking member (23) is not extended into the docking tube (21).
6. Folding operating lever according to any one of claims 1 to 4, characterized in that the end of the insulating tube (1) which is not connected to the connecting means (2) is provided with a lifting eye (11).
7. The folding operating lever as claimed in claim 6, characterized in that the other end of the insulating tube (1) which is not connected to the connecting means (2) is provided with a connecting device (12), the connecting device (12) being detachably connected to an electroscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380880.1A CN112490030B (en) | 2020-11-30 | 2020-11-30 | Folding operating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380880.1A CN112490030B (en) | 2020-11-30 | 2020-11-30 | Folding operating rod |
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| Publication Number | Publication Date |
|---|---|
| CN112490030A CN112490030A (en) | 2021-03-12 |
| CN112490030B true CN112490030B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011380880.1A Active CN112490030B (en) | 2020-11-30 | 2020-11-30 | Folding operating rod |
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| CN (1) | CN112490030B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314360B (en) * | 2021-06-08 | 2022-05-17 | 广东电网有限责任公司 | A insulating bar for in 10kV distribution network |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203983842U (en) * | 2014-06-24 | 2014-12-03 | 国家电网公司 | Repair apparatus hangs eminence grounding wire device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483030A (en) * | 1994-05-10 | 1996-01-09 | Bridges; Ronald P. | Group operated circuit disconnect apparatus for overhead electric power lines |
| TW379692U (en) * | 1998-05-27 | 2000-01-11 | Etw Cycle Engineering & Supply | Structure for folding apparatus of bicycle |
| CN205609370U (en) * | 2016-04-26 | 2016-09-28 | 国网山东省电力公司即墨市供电公司 | Controller function pole |
| CN210296144U (en) * | 2019-10-30 | 2020-04-10 | 广东电网有限责任公司 | Folding type gravity buckle limiting insulation operating rod |
| CN111490484A (en) * | 2020-03-24 | 2020-08-04 | 国网浙江余姚市供电有限公司 | Folding type brake pull rod movable connecting assembly, folding type brake pull rod and using method of folding type brake pull rod |
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2020
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203983842U (en) * | 2014-06-24 | 2014-12-03 | 国家电网公司 | Repair apparatus hangs eminence grounding wire device |
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