CN214795148U - Transformer substation electronic fence test device - Google Patents
Transformer substation electronic fence test device Download PDFInfo
- Publication number
- CN214795148U CN214795148U CN202121060270.3U CN202121060270U CN214795148U CN 214795148 U CN214795148 U CN 214795148U CN 202121060270 U CN202121060270 U CN 202121060270U CN 214795148 U CN214795148 U CN 214795148U
- Authority
- CN
- China
- Prior art keywords
- connector
- insulating rod
- rod
- insulator spindle
- elastic
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 239000012212 insulator Substances 0.000 claims abstract description 68
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 11
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Abstract
The utility model provides a transformer substation's fence test device, carry out screw thread equipment through first connector cooperation elastic component between head end insulator spindle and the middle-end insulator spindle and be connected, carry out screw thread equipment through second connector cooperation elastic component between middle-end insulator spindle and the top insulator spindle and be connected, when the equipment finishes, it produces radial elasticity through the elastic component that corresponds and is used for the locking force to equally divide between middle-end insulator spindle and top insulator spindle and the head end insulator spindle, test tool head is installed at top insulator spindle top. The operating rod is assembled by the head end insulating rod, the middle end insulating rod, the top end insulating rod, the first connector, the second connector and the two elastic assemblies, the two elastic assemblies generate radial elastic force when the operating rod is assembled, and the static friction force of threaded connection is increased, so that the installation stability of the operating rod is improved, the operating rod is prevented from falling off, and the operating rod is safer to use.
Description
Technical Field
The utility model relates to a security protection technical field of transformer substation, in particular to transformer substation's fence test device.
Background
According to the requirement of the auxiliary facility operation and maintenance detailed rule in the 26 th sub-book of the State grid company general operation and maintenance management detailed rule, operation and maintenance workers need to perform tests on electronic fences and security systems in the transformer substation regularly, and therefore whether the security systems in the substation can work normally is confirmed. With the withdrawal of state power grid companies to the guardian of the governed transformer substation and the comprehensive implementation of the unattended mode, the electronic fence is used as an important component of the security system of the transformer substation, and the importance of the electronic fence is increasingly highlighted.
At present, no special test tool for the electronic fence exists in the market, and the field method for the electronic fence expansion test usually adopts an iron wire to respectively carry out short circuit between two phases so as to trigger a field alarm device to carry out the test. The test method has the following disadvantages: 1. when the iron wire is used, a tester is easily subjected to electric shock due to the fact that insulation protection is not in place, and certain potential safety hazards exist. 2. The height of the enclosing wall is limited during use, and the ladder is required to be carried for testing, so that inconvenience is brought to the test. Obviously, the current test method has high randomness and poor accuracy, and also relates to ascending operation, and the safety and the effectiveness of the test cannot be fully guaranteed, so that a special test device needs to be researched urgently to meet the requirement of field work.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a transformer substation's fence test device, through design head end insulator spindle, middle-end insulator spindle and top insulator spindle, connect through threaded connection and elastic component between each insulator spindle, the installation is firm, stability is strong and convenient to detach.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a transformer substation's fence test device, includes head end insulator spindle, middle-end insulator spindle, top insulator spindle, first connector, second connector, two elastic component and test tool head, carry out screw assembly through first connector cooperation elastic component between head end insulator spindle and the middle-end insulator spindle and be connected, carry out screw assembly through second connector cooperation elastic component between middle-end insulator spindle and the top insulator spindle and be connected, when the equipment finishes, equally divide between middle-end insulator spindle and top insulator spindle and the head end insulator spindle and do not produce radial elasticity through the elastic component that corresponds and be used for the locking force, test tool head is installed at the top insulator spindle top.
Furthermore, the elastic assembly comprises two linear elastic structures and a matched cross-shaped elastic structure, the linear elastic structure comprises two locking heads, two supporting rods and an elastic piece, and the upper end and the lower end of the elastic piece are respectively connected with one supporting rod and one locking head; the cross-shaped elastic structure comprises two locking heads, four supporting rods and an elastic piece, the upper end and the lower end of the elastic piece are respectively connected with one supporting rod and one locking head, and the left end and the right end of the elastic piece are respectively connected with one supporting rod; the first connecting head and the corresponding connecting positions of the head end insulating rod and the middle end insulating rod and the first connecting head are provided with locking notches which are matched up and down, the second connector and the corresponding joints of the middle end insulating rod and the top end insulating rod and the second connector are provided with locking notches which are matched up and down, a cross-shaped elastic structure is respectively arranged in the locking openings which are matched up and down of the first connector and the second connector in a limiting way, the inside of the lock notch which is matched up and down at the corresponding connection part of the head end insulating rod, the middle end insulating rod and the first connector is provided with a linear elastic structure in a limiting way, the upper and lower matched locking notches at the corresponding connection parts of the middle end insulating rod, the top end insulating rod and the second connector are internally provided with a linear elastic structure in a limiting way, when the assembly is completed, elastic force in the radial length direction is generated between the straight-line-shaped elastic structure and the cross-shaped elastic structure.
Further, first connector with second connector surface both ends cloth has the screw thread, the head end insulator spindle the middle-end insulator spindle reaches the top insulator spindle with first connector the second connector hookup location inner wall department all is provided with the screw thread, the fore end insulator spindle, middle-end insulator spindle, top insulator spindle, the fore shaft of first connector and second connector all is located and is close to corresponding screw thread position.
Furthermore, the tapered end is T-shaped tapered end, the top of the T-shaped tapered end is larger than the locking notch, and the neck is slightly smaller than the locking notch.
Furthermore, the lock head and the support rod and the elastic piece are detachably connected.
Furthermore, an end cover and an anti-skidding sleeve are arranged on the handheld side of the head end insulating rod.
Further, the testing tool head comprises an ear piece, a base, a limiting plate and a testing rod, the testing rod is connected with the connecting rod through a rotating shaft in a rotating mode, the two ends of the connecting rod are fixed to one end of the base through the corresponding limiting plate, the other end of the base is provided with the ear piece, telescopic buckles are arranged on the upper side and the lower side of the ear piece, a cavity matched with the ear piece correspondingly is arranged at the top end of the top end insulating rod, and clamping grooves matched with the buckles are arranged on the upper side and the lower side of the cavity.
Furthermore, a clamping opening is formed in the middle of the lug plate, and two convex columns corresponding to the clamping opening are arranged in the cavity.
Furthermore, the convex columns and the clamping grooves are arranged in a staggered mode.
Further, the test rod comprises two metal clamping joints and three metal rods, and is adjacent to each other, the metal rods are connected through the metal clamping joints, and the metal rods are stretched and folded through the rotating shaft.
Has the advantages that: the utility model designs the operating rod of the test device into a head end insulating rod, a middle end insulating rod and a top end insulating rod, thereby being beneficial to the storage and carrying of the whole device; the operating rod is spliced by adopting threaded connection, and meanwhile, a lock catch structure is designed, so that the operating rod is more firmly and reliably assembled and is convenient to disassemble; in the lock catch structure, the mode that the lock head is connected with the elastic piece through the supporting rod is adopted, and the lock catch structure is convenient and fast in the locking and unlocking process through the inherent characteristics of the elastic piece. The utility model discloses the overhead test pole of well test tool can realize rotating through the rotation axis, and simultaneously, the metal pole can accomplish freely to extend and fold through the metal joint head, through the angular adjustment and the length flexible of test pole, can satisfy different application scenarios, is favorable to expanding the range of application of test device; through the combination of the two modes of occlusion between the lug clamping opening and the convex column and clamping between the clamping groove and the bayonet, the testing tool head is stably connected with the top end insulating rod, and the loosening condition is avoided.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded view of a substation electronic fence test device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an elastic device of the substation electronic fence test device according to the embodiment of the present invention before splicing;
fig. 3 is a schematic structural view (in an ideal state) of an elastic device of the substation electronic fence test device according to the embodiment of the present invention after splicing;
fig. 4 is a schematic view of a joint between a top end insulating rod and a testing tool head of the transformer substation electronic fence testing apparatus according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a testing tool head of the substation electronic fence testing apparatus according to the embodiment of the present invention;
fig. 6 is a schematic view of an extension of a testing rod of a testing tool head of the electronic fence testing apparatus for a transformer substation according to an embodiment of the present invention;
fig. 7 is the embodiment of the utility model provides a transformer substation's fence test device's test tool head's test rod folding schematic diagram.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if descriptions of "first", "second", etc. are provided in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either scheme A or scheme B or a scheme in which both A and B are satisfied. Further, "a plurality" means more than two. In addition, the technical solutions in the embodiments can be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the claims of the utility model.
Example 1
See fig. 1-7: the utility model provides a transformer substation's fence test device, includes head end insulator spindle 1, middle-end insulator spindle 2, top insulator spindle 3, first connector 4, second connector 5, two elastic component and experimental instrument head 6, carry out screw thread equipment through first connector 4 cooperation elastic component between head end insulator spindle 1 and the middle-end insulator spindle 2 and be connected, carry out screw thread equipment through second connector 5 cooperation elastic component between middle-end insulator spindle 2 and the top insulator spindle 3 and be connected, when the equipment finishes, equally divide between middle-end insulator spindle 2 and top insulator spindle 3 and the head end insulator spindle 1 and do not produce radial elasticity through the elastic component that corresponds and be used for the locking force, experimental instrument head 6 is installed at 3 tops of top insulator spindle.
This embodiment assembles the action bars through head end insulator spindle, middle-end insulator spindle, top insulator spindle, first connector, second connector, two elastic component, and two elastic component screw thread installations produce radial elasticity when the action bars equipment finishes targets in place, increase threaded connection's static friction to improve the installation stability of action bars, prevented that the emergence from droing, it is safer to use.
In a specific implementation, the elastic assembly comprises two linear elastic structures and a matched cross-shaped elastic structure, the linear elastic structure comprises two locking heads 8, two supporting rods 9 and an elastic piece 10, and the upper end and the lower end of the elastic piece 10 are respectively connected with one supporting rod 9 and one locking head 8; the cross-shaped elastic structure comprises two locking heads 8, four supporting rods 9 and an elastic piece 10, the upper end and the lower end of the elastic piece 10 are respectively connected with one supporting rod 9 and one locking head 8, and the left end and the right end of the elastic piece 10 are respectively connected with one supporting rod 9; the first connector 4 and the corresponding joints of the head end insulating rod 1, the middle end insulating rod 2 and the first connector 4 are respectively provided with a lock notch 7 which is matched up and down, the corresponding joints of the second connector 5 and the middle end insulating rod 1, the top end insulating rod 2 and the second connector 5 are respectively provided with a lock notch 7 which is matched up and down, the lock notches 7 which are matched up and down of the first connector 4 and the second connector 5 are respectively provided with a cross-shaped elastic structure in a limiting way, the lock notches 7 which are matched up and down of the corresponding joints of the head end insulating rod 1, the middle end insulating rod 2 and the first connector 4 are respectively provided with a one-shaped elastic structure in a limiting way, the lock notches 7 which are matched up and down of the corresponding joints of the middle end insulating rod 1, the top end insulating rod 2 and the second connector 5 are respectively provided with one-shaped elastic structure in a limiting way, when the assembly is completed, elastic force in the radial length direction is generated between the straight-line-shaped elastic structure and the cross-shaped elastic structure.
When the insulation rods of the present embodiment are assembled, the radial elastic force in the length direction is formed between the linear elastic structure and the cross elastic structure through the elastic element and the support rod, so as to improve the static friction force of the screw thread after the screw thread connection, thereby improving the installation stability of the device and preventing accidents.
In a specific example, first connector 4 with 5 surface both ends cloth of second connector have the screw thread, head end insulator spindle 1 head end insulator spindle 2 reaches top insulator spindle 3 with first connector 4 5 hookup location inner wall department all is provided with the screw thread, head end insulator spindle 1, middle-end insulator spindle 2, top insulator spindle 3, first connector 4 and second connector 5's fore shaft 7 all is located near corresponding screw thread position.
The fore shaft and the screw thread of this embodiment do not coincide, prevent that one "font elastic construction and cross elastic construction from producing the interference to the threaded connection who corresponds, in addition, the fore shaft is close to screw thread mounted position, can reduce the length of strut for it is more stable when elastic component produces elastic force.
Specifically, tapered end 8 is T font tapered end, and T font tapered end top is greater than fore shaft 7, and the neck slightly is less than fore shaft 7, be detachable the connection between tapered end 8 and branch 9 and elastic component 10.
The T-shaped lock head prevents the lock head from falling off from the lock opening gap, and in addition, the locking stability is improved; the detachable connection is convenient for installation, maintenance and replacement.
Preferably, the hand-held side of the head end insulating rod 1 is provided with an end cover 12 and an anti-slip sleeve 11.
This embodiment is through the convenient gripping of antiskid cover, and in addition, the end cover can prevent that hollow rod head end insulator spindle, middle-end insulator spindle, top insulator spindle, first connector and second connector from being the interior entering foreign matter of hollow structure, influences this test device's security.
In a specific example, test tool head 6 includes auricle 61, base 63, limiting plate 64, test rod 67 rotates through rotation axis 66 and connecting rod 65 and is connected, connecting rod 65 both ends are fixed in base 63 one end through the limiting plate 64 that corresponds, the base 63 other end is equipped with auricle 61, and both sides all are equipped with flexible buckle 62 about auricle 61, 3 tops on top insulator spindle are equipped with the cavity that matches corresponding with auricle 61, and both sides are equipped with and cooperate draw-in groove 32 with buckle 62 about the cavity.
The upset of test rod can be realized through the rotation axis to the test tool head of this embodiment, in addition, through the cavity installation that auricle and top insulator spindle correspond, through buckle, draw-in groove location installation, convenient and fast during the dismantlement, withholds the buckle, can dismantle and take out the test tool head.
In a specific example, a clamping opening is arranged in the middle of the lug 61, two convex columns 31 corresponding to the clamping opening are arranged in the cavity, and the convex columns 31 and the clamping grooves 32 are arranged in a staggered mode.
This embodiment can lead and fix a position the auricle through the two projections that press from both sides mouthful and correspond that set up in the middle of the auricle, makes things convenient for the auricle installation to get into the cavity, stable in structure, and the installation is dismantled conveniently. The projection and the draw-in groove of this embodiment dislocation set each other to carry out the four sides to the installation of test tool head and fix, install more stable firm.
In a specific example, the test rod 67 includes two metal snap joints 671 and three metal rods 672, and adjacent metal rods 672 are connected by the metal snap joints 671 and are extended and folded by the rotating shaft 66.
The overhead test rod accessible rotation axis of the test tool of this embodiment realizes rotatoryly, and simultaneously, the metal pole can accomplish interconnect through the metal joint to realize freely extending and folding, angle adjustment and length through the test rod are flexible, can satisfy different application scenarios, are favorable to expanding test device's range of application.
In the using process, the head end insulating rod 1, the middle end insulating rod 2 and the top end insulating rod 3 can be conveniently unfolded, assembled and disassembled, when in need of assembly, firstly, the head end insulating rod 1 and the middle end insulating rod 2 are clockwise rotated with the first connector 4 to clamp the screw thread, then the middle end insulating rod 2 and the top end insulating rod 3 are clockwise rotated with the second connector 5 to clamp the screw thread, at this time, the elastic element inside the operating rod is already in a compressed state, and then the locking heads 8 on the first connector 4 and the second connector 5 are pressed, the locking heads 8 further press the elastic element 10 through the supporting rod 9, so that the lock heads 8 on the head end insulating rod 1, the middle end insulating rod 2 and the top end insulating rod 3 are close to the locking notch direction, the corresponding supporting rod 9 is slightly inclined towards the outer side to play a further fixing role, so that the head end insulating rod 1, the middle end insulating rod 2 and the top end insulating rod 3 can be assembled to form a stably connected insulating long rod. When needs are dismantled, dismantle the tapered end of head end insulator spindle 1 and 2 top insulator spindles 3 of middle-end insulator spindle and first connector 4 and second connector 5 earlier, the elastic component that does not have the tapered end can freely slide in inside, and the elastic component power disappears, consequently through anticlockwise rotation, can be relatively light dismantle.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A transformer substation electronic fence test device is characterized by comprising a head end insulating rod (1), a middle end insulating rod (2), a top end insulating rod (3), a first connector (4), a second connector (5), two elastic components and a test tool head (6), the head end insulating rod (1) and the middle end insulating rod (2) are assembled and connected by a first connector (4) and an elastic component in a threaded manner, the middle end insulating rod (2) and the top end insulating rod (3) are assembled and connected by a second connector (5) and an elastic component in a threaded manner, when the assembly is finished, radial elasticity generated by the middle-end insulating rod (2), the top-end insulating rod (3) and the head-end insulating rod (1) through corresponding elastic components is used for locking force, and a test tool head (6) is arranged at the top of the top end insulating rod (3).
2. The substation electronic fence test device according to claim 1, wherein the elastic assembly comprises two I-shaped elastic structures and a matched cross-shaped elastic structure, the I-shaped elastic structure comprises two lock heads (8), two supporting rods (9) and an elastic piece (10), and the upper end and the lower end of the elastic piece (10) are respectively connected with one supporting rod (9) and one lock head (8); the cross-shaped elastic structure comprises two locking heads (8), four supporting rods (9) and an elastic piece (10), the upper end and the lower end of the elastic piece (10) are respectively connected with one supporting rod (9) and one locking head (8), and the left end and the right end of the elastic piece (10) are respectively connected with one supporting rod (9); first connector (4) and head end insulator spindle (1), middle-end insulator spindle (2) all are equipped with upper and lower assorted fore shaft (7) with the corresponding junction of first connector (4), assorted fore shaft (7) about second connector (5) and middle-end insulator spindle (2), top insulator spindle (3) all are equipped with in corresponding junction of second connector (5), divide equally in upper and lower assorted fore shaft (7) of first connector (4) and second connector (5) do not spacing install one "ten" font elastic structure, all install one "font elastic structure in head end insulator spindle (1), middle-end insulator spindle (2) and the upper and lower assorted fore shaft (7) of the corresponding junction of first connector (4) spacing, all install spacing in upper and lower assorted fore shaft (7) of corresponding junction of middle-end insulator spindle (2), top insulator spindle (3) and second connector (5) spacing A linear elastic structure, when assembled, generating elastic force in the radial length direction between the linear elastic structure and the cross elastic structure.
3. The substation electronic fence test device according to claim 2, wherein threads are distributed at two ends of the outer surface of the first connector (4) and the outer surface of the second connector (5), threads are arranged on the inner wall of the connection position of the first connector (4) and the second connector (5) of the head end insulating rod (1), the middle end insulating rod (2) and the top end insulating rod (3), and the locking notches (7) of the head end insulating rod (1), the middle end insulating rod (2), the top end insulating rod (3), the first connector (4) and the second connector (5) are located at positions close to the corresponding threads.
4. The substation electronic fence test device according to claim 2, wherein the lock (8) is a T-shaped lock, the top of the T-shaped lock is larger than the lock opening (7), and the neck of the T-shaped lock is slightly smaller than the lock opening (7).
5. The substation electronic fence test device according to claim 2, wherein the lock head (8) and the support rod (9) and the elastic member (10) are detachably connected.
6. The substation electronic fence test device according to claim 1, characterized in that the handheld side of the head end insulating rod (1) is provided with an end cover (12) and an anti-slip sleeve (11).
7. The substation electronic fence test device according to claim 1, wherein the test tool head (6) comprises a lug (61), a base (63), a limiting plate (64) and a test rod (67), the test rod (67) is rotatably connected with a connecting rod (65) through a rotating shaft (66), two ends of the connecting rod (65) are fixed at one end of the base (63) through corresponding limiting plates (64), the lug (61) is arranged at the other end of the base (63), telescopic buckles (62) are arranged on the upper side and the lower side of the lug (61), a cavity correspondingly matched with the lug (61) is arranged at the top of the top end insulating rod (3), and clamping grooves (32) matched with the buckles (62) are arranged on the upper side and the lower side of the cavity.
8. The substation electronic fence test device according to claim 7, wherein a clamping opening is arranged in the middle of the lug (61), and two convex columns (31) corresponding to the clamping opening are arranged in the cavity.
9. The substation electronic fence test device according to claim 8, wherein the protruding columns (31) and the clamping grooves (32) are arranged in a staggered manner.
10. The substation electronic fence test device according to claim 7, characterized in that the test rod (67) comprises two metal snap joints (671) and three metal rods (672), and adjacent metal rods (672) are connected through the metal snap joints (671) and are extended and folded through the rotating shaft (66).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121060270.3U CN214795148U (en) | 2021-05-17 | 2021-05-17 | Transformer substation electronic fence test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121060270.3U CN214795148U (en) | 2021-05-17 | 2021-05-17 | Transformer substation electronic fence test device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214795148U true CN214795148U (en) | 2021-11-19 |
Family
ID=78694490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121060270.3U Active CN214795148U (en) | 2021-05-17 | 2021-05-17 | Transformer substation electronic fence test device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214795148U (en) |
-
2021
- 2021-05-17 CN CN202121060270.3U patent/CN214795148U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214795148U (en) | Transformer substation electronic fence test device | |
KR101885223B1 (en) | Spacer apparatus of power transmission line on steel tower | |
CN113125999A (en) | Transformer substation electronic fence test device | |
CN209962791U (en) | Spliced insulator | |
EP2804272B1 (en) | Mobile unit for high- and medium-voltage electrical interconnection | |
DE102012109869B3 (en) | Mounting arrangement with a current transformer and measuring arrangement | |
CN205303738U (en) | Electric wire netting earth connection | |
CN110265952B (en) | Wire spacing bracket and use method thereof | |
CN112227611A (en) | Reinforcing bar connecting sleeve for building | |
CN113933546A (en) | Connecting device | |
CN207459241U (en) | A kind of conducting rod | |
CN109027553B (en) | Connecting and fixing device | |
CN106785521A (en) | A kind of combined type ground wire group | |
CN205657202U (en) | Handcuffss formula anti -drop earth connection | |
CN220938831U (en) | General GIS equipment safety belt hanger | |
CN213183784U (en) | High-strength ultra-low temperature resistant porcelain insulator | |
CN204303739U (en) | A kind of coordinated type arc-extinguish chamber double socket fuse support | |
CN215955512U (en) | Ground wire rod | |
CN212627082U (en) | Surge protector mounting structure | |
CN218678376U (en) | Overhead wire fixing device | |
CN219534438U (en) | Miniature circuit breaker capable of preventing wire from loosening | |
CN216648624U (en) | Lightning protection electrostatic device for computer lab | |
CN204205419U (en) | Conductors on quad bundled bracing or strutting arrangement | |
CN217007414U (en) | Mutual inductor secondary multipoint grounding real-time monitoring equipment convenient to install | |
CN209891796U (en) | Distribution network fault positioning universal installation part |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |