CN214589300U - Special ground wire hooking auxiliary tool for low-voltage dry-type transformer - Google Patents
Special ground wire hooking auxiliary tool for low-voltage dry-type transformer Download PDFInfo
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- CN214589300U CN214589300U CN202121223941.3U CN202121223941U CN214589300U CN 214589300 U CN214589300 U CN 214589300U CN 202121223941 U CN202121223941 U CN 202121223941U CN 214589300 U CN214589300 U CN 214589300U
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Abstract
The utility model discloses a low pressure dry-type transformer special use articulates ground wire appurtenance belongs to electrical equipment technical field. The utility model provides a special ground wire appurtenance that articulates of low pressure dry-type transformer, including the shank of bolt, the shank of bolt both sides are equipped with two metal clamp splice, spacing groove A has been seted up to metal clamp splice lower part, be equipped with electrically conductive sponge in the spacing groove A, the shank of bolt top is equipped with insulating casing, be equipped with metal sliding block in the insulating casing, the metal sliding block right side is equipped with the insulator spindle, the insulator spindle outside is equipped with spring A, a plurality of spacing groove B have been seted up to linear equidistant on insulator spindle upper portion, be equipped with the wire in the insulator spindle, the insulator spindle top is equipped with the fixture block, the fixture block top is equipped with the pull rod, pull rod outside cover is equipped with spring B, the wire right side is equipped with the joint, the joint outside is equipped with the protective sheath, be equipped with the rubber buffer in the protective sheath. This device can make things convenient for the maintainer to carry out ground connection to low pressure dry-type transformer and handle.
Description
Technical Field
The utility model relates to an electrical equipment technical field, more specifically say, relate to a low pressure dry-type transformer special use articulates ground wire appurtenance.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core, and the transformer is commonly used for voltage lifting, impedance matching, safety isolation and the like in electrical equipment and wireless circuits. The transformer mainly has the following functions: voltage transformation, impedance transformation, isolation, voltage stabilization, autotransformer, high voltage transformer, and the like. The existing low-voltage side outgoing line of the dry type transformer is assembled together through a fixing support, a bus clamp, a hard bus bar and a bolt set and fixed on a clamp of the dry type transformer, a low-voltage side grounding line can reliably install a grounding line by extending out of the hard bus bar, a high-voltage side is connected with a high-voltage side bolt set of the transformer through a high-voltage side incoming cable, the high-voltage side installation grounding line can only install the grounding line on the bolt set, and the grounding line is not firm to install and extremely easy to fall off due to the fact that the screw rod is left about 1-2cm and is circular, does not meet the requirement of installing the grounding line in the electric power safety regulations, and cannot guarantee personal safety. In view of this, we propose a special ground wire hanging auxiliary tool for low-voltage dry-type transformer.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a low pressure dry-type transformer special use articulates ground wire appurtenance to solve the problem that proposes in the above-mentioned background art.
2. Technical scheme
The utility model provides a special ground wire appurtenance that articulates of low pressure dry-type transformer, includes the shank of bolt, the shank of bolt both sides are equipped with two metal clamp splice, spacing groove A has been seted up to metal clamp splice lower part, be equipped with electrically conductive sponge in the spacing groove A, the shank of bolt top is equipped with insulating casing, be equipped with metal sliding block in the insulating casing, the metal sliding block right side is equipped with the insulator spindle, the insulator spindle outside is equipped with spring A, a plurality of spacing groove B have been seted up to insulator spindle upper portion linear equidistant, be equipped with the wire in the insulator spindle, the insulator spindle top is equipped with the fixture block, the fixture block top is equipped with the pull rod, pull rod outside cover is equipped with spring B, the wire right side is equipped with the joint, the joint outside is equipped with the protective sheath, be equipped with the rubber buffer in the protective sheath.
Preferably, the metal clamping block on the left side is fixedly connected with the metal sliding block, the metal clamping block on the right side is fixedly connected with the insulating shell, and the conductive sponge is fixedly connected with the metal clamping block.
Preferably, the metal sliding block is connected with the insulating shell in a sliding mode, the metal sliding block is electrically connected with the conducting wire, and the metal sliding block is connected and fixed with the insulating rod.
Preferably, the fixture block is connected with the insulating shell in a sliding manner, the fixture block is fixedly connected with the pull rod, and the fixture block is in clamping fit with the limiting groove B.
Preferably, protective sheath and wire sliding connection, the protective sheath is in the cooperation of pegging graft with the rubber buffer, connect and wire electric connection.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a be connected fixedly with metal clip piece and metal slide, make when pulling the wire right, can drive metal slide to move to the right left through the insulator spindle, make the metal clip piece that is located left can move to the right, can take place the deformation through the electrically conductive sponge that sets up in spacing groove B under the extrusion of metal clip piece and shank of bolt, make electrically conductive sponge stretch into the thread gap on the threaded rod, increase the area of contact with the threaded rod, not only can make this device can be stably fixed on the threaded rod, can also increase the electrically conductive effect of this device; the problem that the existing device grounding wire is not firmly installed and is easy to fall off can be effectively solved. The utility model has the advantages of compact structure and reasonable design, can conveniently install the wiring.
2. The utility model discloses a set up the protective sheath on the wire for this device can be after overhauing, will connect and demolish from earthing device, will connect to seal through protective sheath and rubber buffer, avoids connecting and conductive medium contact, and placing that can be safe is in the block terminal, makes during the operation of low pressure dry-type transformer, and this instrument need not dismantle from the shank of bolt, does not influence transformer normal operating, increases the practicality of this device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a partially disassembled view of the structure of the present invention;
the reference numbers in the figures illustrate: 1. a bolt shank; 2. a metal clamping block; 3. a limiting groove A; 4. a conductive sponge; 5. an insulating housing; 6. a metal slider; 7. an insulating rod; 8. a spring A; 9. a limiting groove B; 10. a wire; 11. a clamping block; 12. a pull rod; 13. a spring B; 14. a joint; 15. a protective sleeve; 16. and a rubber plug.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution:
a special ground wire hanging auxiliary tool for a low-voltage dry-type transformer comprises a bolt rod 1, two metal clamping blocks 2 are arranged on two sides of the bolt rod 1, a limiting groove A3 is formed in the lower portion of each metal clamping block 2, a conductive sponge 4 is arranged in a limiting groove A3, an insulating shell 5 is arranged above the bolt rod 1, a metal sliding block 6 is arranged in the insulating shell 5, an insulating rod 7 is arranged on the right side of the metal sliding block 6, a spring A8 is arranged on the outer side of the insulating rod 7, a plurality of limiting grooves B9 are formed in the upper portion of the insulating rod 7 in a linear equidistant mode, a wire 10 is arranged in the insulating rod 7, a clamping block 11 is arranged above the insulating rod 7, a pull rod 12 is arranged above the clamping block 11, a spring B13 is sleeved on the outer side of the pull rod 12, a joint 14 is arranged on the right side of the wire 10, a protective sleeve 15 is arranged on the outer side of the joint 14, and a rubber plug 16 is arranged in the protective sleeve 15; through being connected fixedly with metal clamp splice 2 and metal sliding block 6, make when pulling wire 10 right, can drive metal sliding block 6 right removal left through insulator spindle 7, make to be located left metal clamp splice 2 and can move right, can take place the deformation under the extrusion of metal clamp splice 2 and shank of bolt through the electrically conductive sponge 4 that sets up in spacing groove B9, make electrically conductive sponge can stretch into in the thread gap on the threaded rod 1, increase and threaded rod 1's area of contact.
Specifically, the metal clamping block 2 positioned on the left side is fixedly connected with the metal sliding block 6, the metal clamping block 2 positioned on the right side is fixedly connected with the insulating shell 5, and the conductive sponge 4 is fixedly connected with the metal clamping block 2, so that the contact area between the conductive sponge 4 and the bolt rod 1 can be increased.
Further, metal sliding block 6 and insulating housing 5 sliding connection, metal sliding block 6 and wire 10 electric connection, metal sliding block 6 is connected fixedly with insulator spindle 7 for metal sliding block 6 can slide in the drive of insulator spindle 7.
Still further, the latch 11 is connected with the insulating housing 5 in a sliding manner, the latch 11 is connected and fixed with the pull rod 12, and the latch 11 is in clamping fit with the limiting groove B9, so that the latch 11 can limit the leftward sliding of the insulating rod 7.
Furthermore, the protective sleeve 15 is slidably connected to the wire 10, the protective sleeve 15 is inserted into the rubber plug 16, and the terminal 14 is electrically connected to the wire 10, so that the protective sleeve 15 can cooperate with the rubber plug 16 to seal the terminal 14.
The working principle is as follows: when the device is used, the wire 10 is pulled rightwards, so that the wire 10 pulls the metal sliding block 6 rightwards through the insulating rod 7, the metal sliding block 6 drives the metal clamping block 2 to move rightwards, the metal sliding block 6 can clamp the bolt rod 1, the spring A8 is compressed, the clamping block 11 is pushed downwards through the arranged spring B13, the clamping block 11 extends into the limiting groove B9 to limit the metal sliding block 6 to slide backwards, the rubber plug 16 is taken out of the protective sleeve 15, the protective sleeve 15 slides leftwards on the wire 10, and the joint 14 is exposed and connected with a grounding device; when the device needs to be disassembled, the limit of the metal sliding block 6 is released by pulling the pull rod 12 upwards, so that the metal sliding block 6 can move leftwards under the pushing of the spring A8, and the device can be conveniently disassembled from the bolt rod 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a special ground wire appurtenance that articulates of low pressure dry-type transformer, includes shank of bolt (1), its characterized in that: the bolt bar (1) is provided with two metal clamping blocks (2) on two sides, the lower portion of each metal clamping block (2) is provided with a limiting groove A (3), a conductive sponge (4) is arranged in each limiting groove A (3), an insulating shell (5) is arranged above the bolt bar (1), a metal sliding block (6) is arranged in each insulating shell (5), an insulating rod (7) is arranged on the right side of each metal sliding block (6), a spring A (8) is arranged on the outer side of each insulating rod (7), a plurality of limiting grooves B (9) are formed in the upper portion of each insulating rod (7) in a linear and equidistant mode, a wire (10) is arranged in each insulating rod (7), a clamping block (11) is arranged above each insulating rod (7), a pull rod (12) is arranged above each clamping block (11), a spring B (13) is sleeved on the outer side of each pull rod (12), and a joint (14) is arranged on the right side of each wire (10), a protective sleeve (15) is arranged on the outer side of the joint (14), and a rubber plug (16) is arranged in the protective sleeve (15).
2. The auxiliary tool for hanging the ground wire specially for the low-voltage dry type transformer according to claim 1, wherein: the metal clamping block (2) positioned on the left side is fixedly connected with the metal sliding block (6), the metal clamping block (2) positioned on the right side is fixedly connected with the insulating shell (5), and the conductive sponge (4) is fixedly connected with the metal clamping block (2).
3. The auxiliary tool for hanging the ground wire specially for the low-voltage dry type transformer according to claim 1, wherein: the metal sliding block (6) is connected with the insulating shell (5) in a sliding mode, the metal sliding block (6) is electrically connected with the lead (10), and the metal sliding block (6) is fixedly connected with the insulating rod (7).
4. The auxiliary tool for hanging the ground wire specially for the low-voltage dry type transformer according to claim 1, wherein: the fixture block (11) is connected with the insulating shell (5) in a sliding mode, the fixture block (11) is fixedly connected with the pull rod (12), and the fixture block (11) is matched with the limiting groove B (9) in a clamping mode.
5. The auxiliary tool for hanging the ground wire specially for the low-voltage dry type transformer according to claim 1, wherein: protective sheath (15) and wire (10) sliding connection, protective sheath (15) and rubber buffer (16) cooperation of pegging graft, connect (14) and wire (10) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121223941.3U CN214589300U (en) | 2021-06-02 | 2021-06-02 | Special ground wire hooking auxiliary tool for low-voltage dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121223941.3U CN214589300U (en) | 2021-06-02 | 2021-06-02 | Special ground wire hooking auxiliary tool for low-voltage dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589300U true CN214589300U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121223941.3U Active CN214589300U (en) | 2021-06-02 | 2021-06-02 | Special ground wire hooking auxiliary tool for low-voltage dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589300U (en) |
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2021
- 2021-06-02 CN CN202121223941.3U patent/CN214589300U/en active Active
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