CN204389550U - Flexible connector for preventing mistaken collision of relay protection test - Google Patents
Flexible connector for preventing mistaken collision of relay protection test Download PDFInfo
- Publication number
- CN204389550U CN204389550U CN201520093443.XU CN201520093443U CN204389550U CN 204389550 U CN204389550 U CN 204389550U CN 201520093443 U CN201520093443 U CN 201520093443U CN 204389550 U CN204389550 U CN 204389550U
- Authority
- CN
- China
- Prior art keywords
- rod
- insulating
- test
- fixing rod
- metal conductor
- Prior art date
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model provides a flexible connector for preventing the false collision of a relay protection test, which comprises a body, wherein the body is a metal conductor and an insulating protective layer is laid on the outer surface of the body; wherein, be equipped with on the body: the fixing rod is used for inserting a middle terminal hole of a wiring terminal of the protection equipment and is an insulating rod; the metal conductor is a metal conductor which has a certain length and the outer surface of which is laid with an insulating protective layer; and a connecting end for connecting the test connecting wire. Implement the utility model discloses, its simple structure, use convenient, labour saving and time saving and insulating properties are high to can match different protective apparatus in a flexible way, avoid protective apparatus's destruction and potential safety hazard's production.
Description
Technical Field
The utility model relates to an experimental technical field of relay protection especially relates to a prevent nimble connector that relay protection test mistake bumped.
Background
With the increase of the protection equipment of the transformer substation, the maintenance workload is larger and larger, so that the workload of the relay protection test is increased.
At present, the transformer substation protection equipment test still relies on ordinary experimental connecting wire basically, and its shortcoming lies in: 1. because the space between the protection equipment arranged in the screen cabinet door (or cabinet body) and the screen cabinet door (or cabinet body) is usually very narrow, the test is inconvenient, and the short-circuit accident is caused by the error collision easily; 2. the test and the protection equipment can not be flexibly matched in a test field, if unmatched common test connecting wires are used for a long time in a relay protection test, the structure of the protection equipment is damaged, the service life of the protection equipment is shortened, and even potential safety hazards are caused; 3. a large amount of preparation work is needed before the relay protection test, which wastes time and labor; 4. because two connectors that ordinary experimental connecting wire and protective apparatus contacted are metallic conductor, when experimental wiring, easily the mistake inserts in the upper and lower terminal of being connected with protective apparatus with aforementioned two connectors to form the short circuit between messenger's ordinary experimental connecting wire and the protective apparatus, burn out protective apparatus, and further endanger personal safety.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves provides a flexible connector that the experimental mistake of preventing relay protection bumped, its simple structure, use convenient, labour saving and time saving and insulating properties are high to can match different protective apparatus in a flexible way, avoid protective apparatus's destruction and potential safety hazard's production.
In order to solve the technical problem, the embodiment of the utility model provides a flexible connector for preventing the relay protection test from mistakenly colliding, which comprises a body, wherein the body is a metal conductor, and an insulating protective layer is laid on the outer surface of the body; wherein, be equipped with on the body:
the fixing rod is used for being inserted into a middle terminal hole of a wiring terminal of the protection equipment and is an insulating rod;
the metal conductor is a metal conductor which has a certain length and the outer surface of which is laid with an insulating protective layer; and
and the connecting end is used for connecting the test connecting wire.
The connector further comprises a first extension rod arranged between the fixed rod and the body; wherein,
the first extension rod is an insulating rod, a groove is formed in one end, facing the fixing rod, of the first extension rod, and the fixing rod is movably mounted in the groove.
The connector also comprises a left handle and a right handle which are arranged on the body; wherein,
the left handle is a metal conductor with an insulating protective layer laid on the outer surface;
the right handle is a metal conductor with an insulating protective layer laid on the outer surface, and one end of the right handle, which is far away from the body, is provided with the connecting end.
Wherein, the left side handle penetrates one end in this body pass through the screw with the right side handle penetrates one end in this body is fixed mutually, just the left side handle with be equipped with the spring between the right side handle.
The connector further comprises a second extension rod which is sleeved on the outer surface of the metal wire and connected with the body, and the second extension rod is an insulating rod.
Wherein, the cross section of the metal wire is semicircular.
Wherein, the link is the round hole.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. in the embodiment of the utility model, the connector is only connected with the wiring terminal of the protection device, so the operation can be convenient even in a narrow space; meanwhile, as the insulating protective layers are laid on a plurality of components of the connector, the connector has good insulating property;
2. in the embodiment of the utility model, because the dead lever with insulation on the connecting head is used to insert the middle terminal hole of the wiring terminal of the protection device, and the metal wire is inserted into the side terminal hole of the wiring terminal of the protection device, the hidden troubles of short circuit between the test connecting line and the protection device, burning of the protection device, personal safety and the like are avoided; meanwhile, the connecting end of the test connecting wire is reserved on the connecting head, so that different protection devices can be flexibly matched by using the same test wire, and time and labor are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a schematic plane structure diagram of a flexible connector for preventing a relay protection test from being mistakenly touched according to an embodiment of the present invention;
in the figure: the novel extension rod comprises a body 1, a screw 11, a fixing rod 2, a metal wire 3, a connecting end 4, a first extension rod 5, a groove 51, a left handle 6, a right handle 7 and a second extension rod 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
As shown in fig. 1, a flexible connector for preventing a relay protection test from being accidentally bumped provided in an embodiment of the present invention includes a body 1, wherein the body 1 is a metal conductor and an insulating protective layer is applied on an outer surface of the body 1; wherein, be equipped with on body 1:
a fixed rod 2 for inserting a middle terminal hole of a wiring terminal of the protection device, wherein the fixed rod 2 is an insulating rod;
the metal wire 3 is used for inserting a terminal hole at the side edge of a wiring terminal of the protection equipment, and the metal wire 3 is a metal conductor which has a certain length and an insulating protective layer laid on the outer surface; and
and the connecting end 4 is used for connecting the test connecting wire.
It should be noted that the connection terminal 4 may be provided as a circular hole, may be provided as a terminal, or the like, and thus there are various ways corresponding to the way of connecting the test connection wire. The cross section of the metal line 3 is generally semicircular, depending on the shape of the terminal contact of the protective device.
It can be understood, at the in-process that uses this connector, its simple operation, it is downthehole only to need fix dead lever 2 at protection equipment binding post middle terminal, insert metal wire 3 in protection equipment binding post side terminal hole, link to each other experimental connecting wire and link 4 simultaneously, therefore good insulating nature has, can adopt the same experimental connecting wire just can match different protection equipment in a flexible way, reach labour saving and time saving's effect, the formation short circuit between experimental connecting wire and the protection equipment has also been avoided, burn out protection equipment and the potential hazards such as personal safety produce.
In order to extend the fixing rod 2, the fixing rod is effectively inserted into a middle terminal hole of a wiring terminal of the protection device, so that the connector further comprises a first extension rod 5 arranged between the fixing rod 2 and the body 1, and the first extension rod 5 is an insulating rod; for maintenance and repair of the fixing rod 2, a groove 51 is formed in the first extension rod 5 at an end thereof facing the fixing rod 2, and the fixing rod 2 is movably mounted in the groove 51.
As an example, one end of the fixing rod 2 is installed in the recess 51 in a hinged manner, when the fixing rod 2 is used, after the fixing rod 2 is rotated to a certain position with the one end fixed in the recess 51 as a fulcrum, the other end is inserted into the terminal hole in the middle of the terminal of the protection device and fixed, when the fixing rod 2 is not used, the fixing rod 2 is rotated with the one end fixed in the recess 51 as a fulcrum until the fixing rod 2 is accommodated in the recess 51.
As another example, when the fixing lever 2 is used, after the fixing lever 2 is rotated and raised along the slide groove 51 for fixing, one end thereof is inserted into the terminal hole in the middle of the terminal of the protection device and fixed, and when the fixing lever 2 is not used, the fixing lever 2 is loosened and rotated and lowered along the slide groove 51 until the fixing lever 2 is received in the groove 51.
In order to be convenient to operate and meet the functional requirements of human bodies, the lower end of the connector is designed into a forceps type, so that the connector also comprises a left handle 6 and a right handle 7 which are arranged on the body 1; wherein, the left handle 6 is a metal conductor with an insulating protective layer laid on the outer surface; the right handle 7 is a metal conductor with an insulating protective layer laid on the outer surface, and one end of the right handle departing from the body 1 is provided with a connecting end 4. At this time, the end of the left handle 6 penetrating into the body 1 is fixed with the end of the right handle 7 penetrating into the body 1 through the screw 11, and a spring is arranged between the left handle 6 and the right handle 7.
It can be understood that the lower end of the connector is designed into a pincer type, the left handle 6 and the right handle 7 can be fixed in a certain included angle by tightening the screw 11, the screw 11 is loosened, and when opposite force is applied to the left handle 6 and the right handle 7, the left handle 6 and the right handle 7 can be opened through the spring.
In order to protect the metal wire 2, the connector further includes a second extension rod 8 sleeved on the outer surface of the metal wire 3 and connected to the body 1, and the second extension rod 8 is an insulating rod.
It should be noted that the metal wire 2 may also be protected by a wear-resistant and insulating protective sheath.
To the embodiment of the utility model provides an application scene of the nimble connector that the experimental mistake of preventing relay protection bumped further explains:
firstly, loosening the screw 11, applying opposite pressure (i.e. inward pressure) to the left and right handles, and then expanding the fixing rod 2 from the groove 51 of the first extension rod 5;
secondly, inserting and fixing the semicircular metal wire 3 into a side wiring terminal hole of the wiring terminal of the protection device, and simultaneously inserting and fixing the fixing rod 2 into a middle wiring terminal hole of the wiring terminal of the protection device;
thirdly, connecting a test connecting wire to the connecting end 4 on the right handle 7 to start a test;
fourthly, after the test is finished, respectively disassembling the semicircular metal wire 3 and the fixing rod 2 from the wiring terminal of the protection device, recovering the original wiring of the protection device, retracting the fixing rod 2 into the groove 51 of the first extension rod 5, meanwhile, disassembling the test connecting wire, and further tightening the included angle between the left handle and the right handle to tighten the screw 11.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. in the embodiment of the utility model, the connector is only connected with the wiring terminal of the protection device, so the operation can be convenient even in a narrow space; meanwhile, as the insulating protective layers are laid on a plurality of components of the connector, the connector has good insulating property;
2. in the embodiment of the utility model, because the dead lever with insulation on the connecting head is used to insert the middle terminal hole of the wiring terminal of the protection device, and the metal wire is inserted into the side terminal hole of the wiring terminal of the protection device, the hidden troubles of short circuit between the test connecting line and the protection device, burning of the protection device, personal safety and the like are avoided; meanwhile, the connecting end of the test connecting wire is reserved on the connecting head, so that different protection devices can be flexibly matched by using the same test wire, and time and labor are saved.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (7)
1. The flexible connector for preventing the false collision of the relay protection test is characterized by comprising a body (1), wherein the body (1) is a metal conductor, and an insulating protective layer is laid on the outer surface of the body (1); wherein, be equipped with on body (1):
the fixing rod (2) is used for being inserted into a middle terminal hole of a wiring terminal of the protection equipment, and the fixing rod (2) is an insulating rod;
the metal wire (3) is used for being inserted into a terminal hole at the side edge of a wiring terminal of the protection equipment, and the metal wire (3) is a metal conductor which has a certain length and is provided with an insulating protection layer on the outer surface; and
and the connecting end (4) is used for connecting the test connecting wire.
2. The connector according to claim 1, further comprising a first extension rod (5) disposed between the fixing rod (2) and the body (1); wherein,
the first extension rod (5) is an insulating rod, a groove (51) is formed in one end, facing the fixing rod (2), of the first extension rod, and the fixing rod (2) is movably mounted in the groove (51).
3. A connector according to claim 2, wherein the connector further comprises a left handle (6) and a right handle (7) arranged on the body (1); wherein,
the left handle (6) is a metal conductor with an insulating protective layer laid on the outer surface;
the right handle (7) is a metal conductor with an insulating protective layer laid on the outer surface, and one end of the right handle departing from the body (1) is provided with the connecting end (4).
4. A connecting head according to claim 3, wherein the end of the left handle (6) penetrating into the body (1) is fixed to the end of the right handle (7) penetrating into the body (1) by a screw (11), and a spring is arranged between the left handle (6) and the right handle (7).
5. The connector according to claim 4, further comprising a second extension rod (8) sleeved on the outer surface of the metal wire (3) and connected to the body (1), wherein the second extension rod (8) is an insulating rod.
6. A connector according to claim 5, characterized in that the cross-section of the metal wire (3) is semicircular.
7. A joining head according to claim 6, characterised in that the joining end (4) is a round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093443.XU CN204389550U (en) | 2015-02-10 | 2015-02-10 | Flexible connector for preventing mistaken collision of relay protection test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093443.XU CN204389550U (en) | 2015-02-10 | 2015-02-10 | Flexible connector for preventing mistaken collision of relay protection test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204389550U true CN204389550U (en) | 2015-06-10 |
Family
ID=53362258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093443.XU Active CN204389550U (en) | 2015-02-10 | 2015-02-10 | Flexible connector for preventing mistaken collision of relay protection test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204389550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
-
2015
- 2015-02-10 CN CN201520093443.XU patent/CN204389550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
| CN104991092B (en) * | 2015-06-16 | 2018-05-04 | 国网山东省电力公司昌乐县供电公司 | Second protection testing terminal arranges adapter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWM499668U (en) | Improved structure of a cable terminal | |
| CN205426971U (en) | Multi -functional retractable electric power high altitude test pincers | |
| CN204389550U (en) | Flexible connector for preventing mistaken collision of relay protection test | |
| CN204538576U (en) | The wire stripping pliers that measured length is sheared | |
| CN103545685B (en) | A kind of low pressure operation earthing method | |
| CN104332790B (en) | A kind of rapid wiring device | |
| CN203326493U (en) | Secondary cable wiring dedicated wire-bending tong | |
| CN206364327U (en) | A kind of anti-open circuit electrical connector cable component | |
| CN207353782U (en) | A kind of electric pump well power cable connection operation platform | |
| CN203260766U (en) | Eagle-beak-shaped clamp for heavy current testing | |
| CN204008949U (en) | A kind of self-checking unit of ground wire | |
| CN207250738U (en) | Multipath binding post | |
| CN207303034U (en) | A kind of all insulation fuse switch | |
| CN204348949U (en) | A kind of novel grounded line terminals | |
| CN103956669A (en) | Ground wire special for middle switch cabinet | |
| CN103840280A (en) | Pincer-like clamp used for high current tests of switch cabinet | |
| CN207753173U (en) | A kind of powering shelf earth protective device | |
| CN207303798U (en) | Block switch masking device on a kind of column | |
| CN207542415U (en) | A kind of omnipotent ground connection crossover sub | |
| CN202564582U (en) | Copper-aluminum wiring terminal | |
| CN205562596U (en) | Experimental connecting device of separable cable termination | |
| CN103545686B (en) | Ground wire device special for low voltage work | |
| CN204271312U (en) | A kind of copper aluminium terminal and comprise the separable cable connector of this copper aluminium terminal | |
| CN106450809A (en) | Cable shielding wire grounding assembly | |
| CN208028356U (en) | A kind of network cable pliers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |