CN212462048U

CN212462048U - Multifunctional joint of grounding wire for overhaul test work of transformer substation

Info

Publication number: CN212462048U
Application number: CN202021759270.8U
Authority: CN
Inventors: 蒋磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-02-02
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to an electric power overhauls technical field, specifically is a transformer substation overhauls experimental work earth connection multi-functional joint, wiring shell one side intercommunication is equipped with first plug wire head, and one side intercommunication that first plug wire head was kept away from to the wiring shell is equipped with the second plug wire head, the upper and lower both sides inner wall of wiring shell is the insulation board that two symmetries of fixedly connected with set up respectively, tight mechanism is supported to the upside fixedly connected with of wiring shell, and the one end that supports tight mechanism runs through and extends to wiring shell and fixedly connected with on the current conducting plate. The utility model discloses in, support tight mechanism through the setting, rotate the rectangle strip and will go up the current conducting plate and support tightly with current conducting plate down to press from both sides two connecting wires tightly, accomplish wiring work, this structural design is ingenious, and easy operation uses manpower sparingly, and the wiring is fixed firm, improves wiring efficiency, sets up cutting device and can carry out cutting operation to the ground wire, makes this device have the function of cutting, and is more convenient during the wiring.

Description

Multifunctional joint of grounding wire for overhaul test work of transformer substation

Technical Field

The utility model relates to an electric power overhauls technical field, specifically is a transformer substation overhauls experimental work earth connection multifunctional joint.

Background

The grounding wire is a wire directly connected with the earth and can also be called as a safety return line, high voltage is directly transferred to the earth in danger, and the grounding wire is a life line, a safety short-circuit device is hung in a transformer substation before equipment or the line is overhauled after power failure, the safety protection tool is used for preventing absolute operators or equipment from being injured due to sudden incoming calls, and the safety protection tool is a safety tool strictly according to the technical regulation of portable short-circuit grounding wires in the national power industry DL/T879-2004.

The temporary joint that current transformer substation overhauls experimental work earth connection usefulness is the integral type structure mostly, and the function is single, mostly all is to twist the purpose that the bolt reaches joint and equipment or the line connection of temporary joint line through the use tool, and this type of joint installs inconveniently in the use, and the operation is troublesome, and connects firmly inadequately, appears the not hard up phenomenon of tie point easily. Therefore, the multifunctional joint for the grounding wire for the transformer substation overhaul test work is provided by the technical personnel in the field, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer substation overhauls experimental work earth connection multifunctional joint to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer substation overhauls experimental work earth connection multifunctional joint, includes the wiring shell, wiring shell one side intercommunication is equipped with first plug wire head, and one side intercommunication that first plug wire head was kept away from to the wiring shell is equipped with the second plug wire head, the insulation board that two symmetries of upper and lower both sides inner wall difference fixedly connected with set up of wiring shell, the upside fixedly connected with of wiring shell supports tight mechanism, and supports tight mechanism's one end and run through and extend to wiring shell and fixedly connected with and go up the current conducting plate, is located wiring shell downside inner wall the upside fixedly connected with of insulation board corresponds the lower current conducting plate that sets up with last current conducting plate, the downside fixedly connected with cutting device of wiring shell.

As a further aspect of the present invention: support tight mechanism and include the vertical hollow post of fixing at wiring shell upside, the lower extreme inner wall of hollow post rotates the threaded rod that is connected with vertical setting through rotating, and the threaded rod keeps away from the one end of rotating and runs through the outside and the fixedly connected with rectangle strip that extend to hollow post, is located hollow post threaded connection has the nut piece on the threaded rod, and the connecting rod of two vertical settings of downside fixedly connected with of nut piece, two the connecting rod is located the bilateral symmetry setting of threaded rod respectively, two spacing holes that set up with wiring shell, insulation board intercommunication are seted up respectively to the lateral wall of hollow post, and two connecting rods run through two spacing holes respectively and with last current conducting plate fixed connection.

As a further aspect of the present invention: the through-hole has been seted up to the upper end of hollow post, and the threaded rod runs through the through-hole setting, the inner wall of through-hole passes through the bearing spare and is connected with the lateral wall rotation of threaded rod.

As a further aspect of the present invention: cutting device includes the vertical first blade of fixing at the wiring shell downside, the elastic rod mechanism of two vertical settings of downside fixedly connected with of wiring shell, and two elastic rod mechanisms are located the bilateral symmetry setting of first blade respectively, two the one end fixedly connected with of keeping away from the wiring shell of elastic rod mechanism transversely sets up the mounting panel, and the upside fixedly connected with of mounting panel corresponds the second blade that sets up with first blade.

As a further aspect of the present invention: the utility model discloses a wire connection shell, including the vertical first body of rod of fixing at the connection shell downside, stretch rod mechanism includes that the vertical first body of rod of fixing has a smooth chamber in the first body of rod, the inner wall sliding connection in smooth chamber has the slider, and the upside of slider passes through compression spring and the inner wall fixed connection in smooth chamber, the second body of rod of the vertical setting of downside fixedly connected with of slider, and the second body of rod keep away from the one end of slider run through extend to the outside of the first body of rod and with mounting panel fixed connection.

As a further aspect of the present invention: the one end that the wiring shell was kept away from to the first body of rod has seted up the slide opening, and the second body of rod runs through the slide opening setting, the inner wall of slide opening and the lateral wall sliding connection of the second body of rod.

As a further aspect of the present invention: the inner wall of one side, opposite to the upper conductive plate and the lower conductive plate, of the upper conductive plate is fixedly connected with conductive protrusions which are uniformly arranged and staggered.

Compared with the prior art, the beneficial effects of the utility model are that:

1. support tight mechanism through setting up, rotate the rectangle strip, drive the threaded rod and rotate, because the axial of nut piece is rotated and is followed the connecting rod and receive the restriction in spacing hole, consequently, the nut piece is forced to move down, promotes to move down with the fixed last current conducting plate of connecting rod, supports tightly until going up current conducting plate and current conducting plate down to press from both sides two connecting wires tightly, accomplish the work of working a telephone switchboard, this structural design is ingenious, and easy operation uses manpower sparingly, and the wiring is fixed firm, improves wiring efficiency.

2. Through setting up cutting device, place the earth connection between first blade and second blade, press the direction displacement of mounting panel toward being close to the wiring shell, the second body of rod promotes the slider and slides the displacement in smooth chamber this moment, and compression spring receives the extrusion shrink and produces elasticity, supports with first blade when the second blade, can carry out cutting operation to the earth connection, makes this device have the function of cutting, and is more convenient during the wiring.

Drawings

FIG. 1 is a schematic perspective view of a multifunctional joint of a grounding wire for a substation overhaul test;

FIG. 2 is a schematic diagram of a front-view cross-sectional structure of a multifunctional joint of a grounding wire for a transformer substation overhaul test;

FIG. 3 is an enlarged schematic structural diagram of a part A in the multifunctional joint of the grounding wire for the working of the overhaul test of the transformer substation in FIG. 2;

fig. 4 is an enlarged schematic structural diagram of a multifunctional joint of a working grounding wire of a transformer substation overhaul test at a position B in fig. 2.

In the figure: 1. a wiring shell; 2. a first plug wire head; 3. a second plug wire head; 4. an insulating plate; 5. an upper conductive plate; 6. a lower conductive plate; 7. a hollow column; 8. a threaded rod; 9. a rectangular strip; 10. a nut block; 11. a connecting rod; 12. a limiting hole; 13. A first blade; 14. mounting a plate; 15. a second blade; 16. a first rod body; 17. a slide chamber; 18. a slider; 19. a compression spring; 20. a second rod body; 21. a slide hole; 22. and a conductive bump.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a multifunctional joint for grounding wire in the overhaul test work of a transformer substation comprises a wiring shell 1, a first plug 2 is connected to one side of the wiring shell 1, a second plug 3 is connected to the side of the wiring shell 1 away from the first plug 2, two connecting ends of a connecting wire to be connected are respectively inserted into the wiring shell 1 from the first plug 2 and the second plug 3, two insulating plates 4 symmetrically arranged are respectively fixedly connected to the inner walls of the upper and lower sides of the wiring shell 1, so as to perform an insulating function, a tightening mechanism is fixedly connected to the upper side of the wiring shell 1, one end of the tightening mechanism extends to the wiring shell 1 and is fixedly connected with an upper conductive plate 5, a lower conductive plate 6 correspondingly arranged to the upper conductive plate 5 is fixedly connected to the upper side of the inner wall 4 at the lower side of the wiring shell 1, so as to facilitate connection and conduction, a cutting device is fixedly connected to the lower side of the wiring, the device has a cutting function, and is more convenient to wire;

in fig. 2: the abutting mechanism comprises a hollow column 7 vertically fixed on the upper side of the wiring shell 1, the inner wall of the lower end of the hollow column 7 is rotatably connected with a vertically arranged threaded rod 8 through a rotating piece, one end of the threaded rod 8, far away from the rotating piece, penetrates through the outer side of the hollow column 7 and is fixedly connected with a rectangular strip 9, a nut block 10 is in threaded connection with the threaded rod 8 in the hollow column 7, two vertically arranged connecting rods 11 are fixedly connected with the lower side of the nut block 10, the two connecting rods 11 are respectively symmetrically arranged on two sides of the threaded rod 8, two limiting holes 12 communicated with the wiring shell 1 and the insulating plate 4 are respectively arranged on the side wall of the hollow column 7, the two connecting rods 11 respectively penetrate through the two limiting holes 12 and are fixedly connected with the upper conducting plate 5, the rectangular strip 9 is rotated to drive the threaded rod 8 to rotate, because the threaded rod 8 is in threaded connection with the nut block 10, at the moment, the axial rotation of the nut block 10 is limited by the limiting hole 12 along with the connecting rod 11, so that the nut block 10 is forced to move downwards to push the upper conductive plate 5 fixed with the connecting rod 11 to move downwards until the upper conductive plate 5 and the lower conductive plate 6 are tightly abutted, thereby clamping two connecting wires and finishing the wiring work;

in fig. 2: the upper end of the hollow column 7 is provided with a through hole, the threaded rod 8 penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the threaded rod 8 through a bearing piece, so that the threaded rod 8 can rotate conveniently;

in fig. 2 and 4: the cutting device comprises a first blade 13 vertically fixed on the lower side of the wiring shell 1, two vertically arranged elastic rod mechanisms are fixedly connected to the lower side of the wiring shell 1, the two elastic rod mechanisms are respectively and symmetrically arranged on two sides of the first blade 13, one ends, far away from the wiring shell 1, of the two elastic rod mechanisms are fixedly connected with a transversely arranged mounting plate 14, a second blade 15 corresponding to the first blade 13 is fixedly connected to the upper side of the mounting plate 14, when wiring is conducted or other objects need to be cut, a grounding wire is placed between the first blade 13 and the second blade 15, the mounting plate 14 is pressed to move towards the direction close to the wiring shell 1, and when the second blade 15 abuts against the first blade 13, the grounding wire can be cut;

in fig. 2 and 4: the elastic rod mechanism comprises a first rod body 16 vertically fixed on the lower side of the wiring shell 1, a sliding cavity 17 is formed in the first rod body 16, a sliding block 18 is connected to the inner wall of the sliding cavity 17 in a sliding mode, the upper side of the sliding block 18 is fixedly connected with the inner wall of the sliding cavity 17 through a compression spring 19, a vertically arranged second rod body 20 is fixedly connected to the lower side of the sliding block 18, one end, far away from the sliding block 18, of the second rod body 20 penetrates through the outer side of the first rod body 16 and is fixedly connected with the mounting plate 14, the mounting plate 14 is pressed to move towards the direction close to the wiring shell 1, the sliding block 18 is pushed by the second rod body 20 to slide and move in the sliding cavity 17 at the moment, the compression spring 19 is extruded and contracted to generate elastic force, the mounting plate 14 is;

in fig. 4: one end of the first rod body 16, which is far away from the wiring shell 1, is provided with a sliding hole 21, the second rod body 20 penetrates through the sliding hole 21, and the inner wall of the sliding hole 21 is connected with the outer side wall of the second rod body 20 in a sliding manner, so that the second rod body 20 can move conveniently;

in fig. 2: the inner walls of the opposite sides of the upper conductive plate 5 and the lower conductive plate 6 are fixedly connected with conductive protrusions 22 which are uniformly arranged and staggered, so that friction force is increased, and the ground wire is connected more tightly.

The utility model discloses a theory of operation is: when the device is needed to be used for ground wire connection, the connecting ends of two to-be-connected wires are respectively inserted into the wiring shell 1 from the first wire plug 2 and the second wire plug 3, then the rectangular strip 9 is rotated to drive the threaded rod 8 to rotate, the threaded rod 8 is in threaded connection with the nut block 10, the connecting rod 11 fixed with the nut block 10 penetrates through the limiting hole 12, and at the moment, the axial rotation of the nut block 10 is limited by the limiting hole 12 along with the connecting rod 11, so that the nut block 10 is forced to move downwards, the upper conductive plate 5 fixed with the connecting rod 11 is pushed to move downwards until the upper conductive plate 5 and the lower conductive plate 6 are tightly abutted, so that the two connecting wires are clamped, and the wiring work is completed;

meanwhile, when wiring or other objects need to be cut, the grounding wire is placed between the first blade 13 and the second blade 15, the mounting plate 14 is pressed to move towards the direction close to the wiring shell 1, the second rod body 20 pushes the sliding block 18 to slide in the sliding cavity 17 at the moment, the compression spring 19 is extruded and contracted to generate elastic force, and when the second blade 15 abuts against the first blade 13, the grounding wire can be cut, so that the device has a cutting function, the wiring is more convenient, the mounting plate 14 is loosened, and the compression spring 19 pushes the second blade 15 to automatically reset due to the elastic force.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a transformer substation overhauls experimental work earth connection multifunctional joint, includes wiring shell (1), its characterized in that, wiring shell (1) one side intercommunication is equipped with first plug (2), and one side intercommunication that first plug (2) was kept away from in wiring shell (1) is equipped with second plug (3), insulation board (4) that the upper and lower both sides inner wall difference fixedly connected with two symmetries of wiring shell (1) set up, the upside fixedly connected with of wiring shell (1) supports tight mechanism, and supports the one end of tight mechanism and run through and extend to wiring shell (1) and fixedly connected with on current conducting plate (5), is located wiring shell (1) downside inner wall the upside fixedly connected with of insulation board (4) corresponds lower current conducting plate (6) that set up with last current conducting plate (5), the downside fixedly connected with cutting device of wiring shell (1).

2. The multifunctional joint of the grounding wire for the overhaul test of the transformer substation as claimed in claim 1, wherein the abutting mechanism comprises a hollow column (7) vertically fixed on the upper side of the wiring shell (1), the inner wall of the lower end of the hollow column (7) is rotatably connected with a vertically arranged threaded rod (8) through a rotating member, one end of the threaded rod (8) far away from the rotating member penetrates through the outer side of the hollow column (7) and is fixedly connected with a rectangular strip (9), a nut block (10) is in threaded connection with the threaded rod (8) in the hollow column (7), two vertically arranged connecting rods (11) are fixedly connected with the lower side of the nut block (10), the two connecting rods (11) are respectively symmetrically arranged on two sides of the threaded rod (8), two limiting holes (12) communicated with the wiring shell (1) and the insulating plate (4) are respectively formed in the side wall of the hollow column (7), and the two connecting rods (11) respectively penetrate through the two limiting holes (12) and are fixedly connected with the upper conductive plate (5).

3. The multifunctional joint of the grounding wire for the overhaul test of the transformer substation as claimed in claim 2, wherein a through hole is formed in the upper end of the hollow column (7), the threaded rod (8) penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the threaded rod (8) through a bearing piece.

4. The multifunctional joint for the grounding wire for the overhaul test of the transformer substation as claimed in claim 1, wherein the cutting device comprises a first blade (13) vertically fixed on the lower side of the wiring shell (1), two vertically arranged elastic rod mechanisms are fixedly connected to the lower side of the wiring shell (1), the two elastic rod mechanisms are respectively located on two sides of the first blade (13) and symmetrically arranged, one end of each elastic rod mechanism, far away from the wiring shell (1), is fixedly connected with a transversely arranged mounting plate (14), and the upper side of the mounting plate (14) is fixedly connected with a second blade (15) correspondingly arranged with the first blade (13).

5. The multifunctional joint for the grounding wire for the overhaul test of the transformer substation as claimed in claim 4, wherein the elastic rod mechanism comprises a first rod body (16) vertically fixed on the lower side of the wiring shell (1), a sliding cavity (17) is formed in the first rod body (16), a sliding block (18) is connected to the inner wall of the sliding cavity (17) in a sliding manner, the upper side of the sliding block (18) is fixedly connected with the inner wall of the sliding cavity (17) through a compression spring (19), a second rod body (20) vertically arranged is fixedly connected to the lower side of the sliding block (18), and one end, far away from the sliding block (18), of the second rod body (20) penetrates through the outer side of the first rod body (16) and is fixedly connected with the mounting plate (14).

6. The multifunctional joint of the grounding wire for the overhaul test work of the transformer substation as claimed in claim 5, wherein a sliding hole (21) is formed in one end, away from the wiring shell (1), of the first rod body (16), the second rod body (20) penetrates through the sliding hole (21), and the inner wall of the sliding hole (21) is connected with the outer side wall of the second rod body (20) in a sliding mode.

7. The multifunctional joint of the working grounding wire for the overhaul test of the transformer substation as claimed in claim 1, wherein the inner walls of the opposite sides of the upper conductive plate (5) and the lower conductive plate (6) are fixedly connected with conductive protrusions (22) which are uniformly arranged and staggered.