CN214375193U

CN214375193U - Transformer core ground connection on-line monitoring device convenient to adjust

Info

Publication number: CN214375193U
Application number: CN202120397368.1U
Authority: CN
Inventors: 高清虎; 常栋凯
Original assignee: Baoding Zhuoyue Electric Co ltd
Current assignee: Baoding Zhuoyue Electric Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-08
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a transformer core grounding on-line monitoring device convenient to adjust, which comprises a protective shell, wherein the top end inside the protective shell is connected with a screw rod through a bearing, the bottom end of the screw rod penetrates through the outside of the protective shell through the bearing and is connected with a turntable, and a push plate is sleeved on the screw rod through threads; the utility model discloses an interior hexagonal nut drive double-end lead screw rotates, the movable block area that makes double-end lead screw both sides supporting shoe and operation pincers lateral displacement, and move the operation pincers to the suitable position according to the specification of iron core, thereby make the device can be applicable to the iron core of different specifications and monitor, the practicality is higher, rotate the carousel drive screw and rotate afterwards, push pedal area push rod and base longitudinal movement on the messenger screw rod, and move the suitable position with the operation pincers according to actual conditions, thereby make the user can adjust the distance of self and iron core according to actual conditions, and guarantee user's safety monitoring distance, high durability and convenient use, the security is higher.

Description

Transformer core ground connection on-line monitoring device convenient to adjust

Technical Field

The utility model relates to an on-line monitoring equipment technical field especially relates to a transformer core ground connection on-line monitoring device convenient to adjust.

Background

The transformer is a static electrical device, the iron core of the transformer must have a reliable ground at one point when running, otherwise the iron core will produce the floating voltage to the ground or iron core multipoint ground and produce and generate the heating fault, threaten the safety of transformer and electric wire netting seriously, the iron core is the main magnetic circuit part in the transformer, usually by the silicon steel sheet stack of hot rolling or cold rolling coated with insulating varnish of silicon content, the iron core and coil wound on it make up the complete electromagnetic induction system, the magnitude of the power transformer transmission power, depend on material and cross-sectional area of the iron core, there are magnetic fields around the transformer winding that normally runs, if the iron core is unreliable to ground, will produce the charging and discharging phenomenon, so need to monitor the grounded state of the iron core of the transformer through the online monitoring equipment;

the current transformer core ground connection on-line monitoring device is mostly single in structure, is not convenient for adjust, and the operation pincers that are used for the monitoring can not stretch out and draw back and adjust, lead to the user can not adjust the distance with the iron core according to actual conditions, and the security can not be guaranteed, and current transformer core ground connection on-line monitoring device still is not convenient for carry out the suitable regulation to the interval of operation pincers, thereby can not satisfy the iron core of different specifications and monitor, and it is inconvenient to use, and the practicality is not high, consequently, the utility model provides a transformer core ground connection on-line monitoring device convenient to adjust is used for solving the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the utility model is to provide a transformer core ground connection on-line monitoring device convenient to adjust, this transformer core ground connection on-line monitoring device convenient to adjust passes through hexagon socket cap drive double-end lead screw and rotates to make operation pincers lateral displacement, thereby can be applicable to the monitoring of different specification iron cores, rotate carousel drive push pedal area push rod and base longitudinal movement after that, and move the operation pincers to the suitable position according to actual conditions, thereby guarantee user's safety monitoring distance.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: a transformer core grounding on-line monitoring device convenient to adjust comprises a protective shell, wherein the top end inside the protective shell is connected with a screw rod through a bearing, the bottom end of the screw rod penetrates through the outer part of the protective shell through the bearing and is connected with a rotary table, the screw rod is sleeved with a push plate in a threaded manner, push rods are fixed on two sides of the top end of the push plate, the top ends of the push rods slidably penetrate through the protective shell and are fixedly connected with a base, through grooves are symmetrically formed in the top end of the base, a double-head lead screw which is driven to rotate through an inner hexagonal nut outside the protective shell is rotatably connected in the base, one end, close to the inner hexagonal nut, of the double-head lead screw penetrates through the outer part of the base through the bearing and is fixedly connected with the inner hexagonal nut, moving blocks are sleeved on two sides of the double-head lead screw in a threaded manner, supporting blocks matched with the through grooves are fixed at the top ends of the supporting blocks, operating pliers are fixed at the top ends of the supporting blocks through the through grooves, and magnetic field sensors are arranged on the opposite sides of the operating pliers, and a display screen connected with the magnetic field sensors is arranged outside the protective shell.

The further improvement lies in that: the magnetic field sensor is electrically connected with the state display lamp, the light warning lamp and the buzzer alarm.

The further improvement lies in that: the push plate both ends all with protective housing inner wall sliding connection, the push plate both ends all are fixed with first slider, all set up the first slide rail that matches with first slider on the protective housing both sides inner wall.

The further improvement lies in that: the bottom end of the moving block is connected with the bottom end inside the base in a sliding mode, a second sliding block is fixed to the bottom end of the moving block, and second sliding rails matched with the second sliding block are arranged on two sides of the bottom end inside the base.

The further improvement lies in that: the protective housing both sides all wrap up there is the rubber protective sheath, set up the antiskid groove that is the equidistance and distributes on the rubber protective sheath, the position that lies in the display screen below on the protective housing is equipped with operating keyboard.

The utility model has the advantages that: the utility model discloses a protective housing, rotate through hexagon socket head cap drive double-end lead screw, make the movable block area supporting shoe and the operation pincers lateral displacement of double-end lead screw both sides, and remove the operation pincers to the suitable position according to the specification of iron core, thereby make the device can be applicable to the iron core of different specifications and monitor, the practicality is higher, rotate the carousel drive screw and rotate afterwards, push pedal area push rod and base longitudinal movement on the messenger screw rod, and remove the suitable position with the operation pincers according to actual conditions, thereby make the user can adjust the distance of self and iron core according to actual conditions, and guarantee user's safety monitoring distance, high durability and convenient use, the security is higher.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

Wherein: 1. a protective shell; 2. a screw; 3. a turntable; 4. pushing the plate; 5. a push rod; 6. a base; 7. a through groove; 8. an inner hexagonal nut; 9. a double-end screw rod; 10. a moving block; 11. a support block; 12. operating the pliers; 13. a magnetic field sensor; 14. a display screen; 15. a status display light; 16. a light warning lamp; 17. a buzzer alarm; 18. a first slider; 19. a first slide rail; 20. a second slider; 21. a second slide rail; 22. a rubber protective sleeve; 23. an anti-slip groove; 24. the keyboard is operated.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the drawings 1, 2 and 3, the embodiment provides a transformer core grounding online monitoring device convenient to adjust, which comprises a protective shell 1, wherein the top end inside the protective shell 1 is connected with a screw rod 2 through a bearing, the bottom end of the screw rod 2 penetrates through the outer part of the protective shell 1 through a bearing and is connected with a turntable 3, a push plate 4 is sleeved on the screw rod 2 in a threaded manner, push rods 5 are fixed on two sides of the top end of the push plate 4, the top end of each push rod 5 penetrates through the protective shell 1 in a sliding manner and is fixedly connected with a base 6, through grooves 7 are symmetrically formed in the top end of the base 6, a double-head lead screw 9 which is driven to rotate by an inner hexagonal nut 8 outside the protective shell 1 is rotatably connected inside the base 6, one end of the double-head lead screw 9, which is close to the inner hexagonal nut 8, penetrates through the outer part of the base 6 through the bearing and is fixedly connected with the inner hexagonal nut 8, and moving blocks 10 are sleeved on two sides of the double-head lead screw 9 in a threaded manner, the magnetic field detection device is characterized in that a supporting block 11 matched with the through groove 7 is fixed at the top end of the moving block 10, an operating clamp 12 is fixed at the top end of the supporting block 11 and penetrates through the through groove 7, a magnetic field sensor 13 is installed on one side, opposite to the operating clamp 12, of the operating clamp 13, a display screen 14 connected with the magnetic field sensor 13 is arranged outside the protective shell 1, and the magnetic field sensor 13 is connected with a microprocessor of the device and used for feeding back detection data to the display screen.

The top end of the display screen 14 is provided with a state display lamp 15, two sides of the state display lamp 15 are respectively provided with a light warning lamp 16 and a buzzer alarm 17, and the magnetic field sensor 13 is electrically connected with a microprocessor of the device and used for driving the state display lamp 15, the light warning lamp 16 and the buzzer alarm 17 to work.

Both ends of the push plate 4 are connected with the inner wall of the protective shell 1 in a sliding manner, the first sliding blocks 18 are fixed at both ends of the push plate 4, the inner walls of the two sides of the protective shell 1 are provided with first sliding rails 19 matched with the first sliding blocks 18, and the push plate 4 is more stable in the moving process.

The bottom end of the moving block 10 is connected with the bottom end inside the base 6 in a sliding mode, a second sliding block 20 is fixed to the bottom end of the moving block 10, and second sliding rails 21 matched with the second sliding blocks 20 are arranged on two sides of the bottom end inside the base 6, so that the operation clamp 12 is more stable in the moving process.

All the parcel in 1 both sides of protective housing has rubber protective sheath 22, set up the antiskid groove 23 that is the equidistance and distributes on the rubber protective sheath 22, the position that lies in display screen 14 below on the protective housing 1 is equipped with operation keyboard 24, improves user handheld device's comfort level through rubber protective sheath 22.

When the transformer core grounding is needed to be monitored on line, firstly, the inner hexagon nut 8 is rotated to drive the double-end screw rod 9 to rotate, so that the moving blocks 10 at two sides of the double-end screw rod 9 drive the supporting blocks 11 and the operating tongs 12 to transversely displace, the operating tongs 12 is moved to a proper position according to the specification of the iron core, then the rotary table 3 is rotated to drive the screw rod 2 to rotate, so that the push plate 4 on the screw rod 2 drives the push rod 5 and the base 6 to longitudinally move, the operating tongs 12 is moved to a proper position according to the actual condition to ensure the safety monitoring distance of a user, then the protective shell 1 is held and the operating tongs 12 is moved to the iron core, so that the iron core to be measured longitudinally penetrates between the operating tongs 12 which are symmetrically distributed, then the magnetic field sensor 13 is started to detect the magnetic field generated around the iron core to be measured, the detection result is displayed through the display screen 14, and the on-line monitoring of the iron core grounding is realized, if the magnetic field is detected to be normal, the driving state display lamp 15 is driven to light green, if the magnetic field is detected to be abnormal, the light warning lamp 16 is driven to flash red light, and meanwhile, the buzzer alarm 17 is driven to give out alarm sound.

This transformer core ground connection on-line monitoring device convenient to adjust, including protective housing 1, through 8 drive double-end lead screw 9 rotations of hexagon socket head cap nut, make the movable block 10 of double-end lead screw 9 both sides take supporting shoe 11 and operation pincers 12 lateral displacement, and move operation pincers 12 to the suitable position according to the specification of iron core, thereby make the device can be applicable to the iron core of different specifications and monitor, the practicality is higher, rotate 3 drive screw 2 rotations of carousel after that, make 4 areas of push pedal on the screw rod 2

push rod

5 and 6 longitudinal movement of base, and move operation pincers 12 to the suitable position according to actual conditions, thereby make the user can adjust the distance of self and iron core according to actual conditions, and guarantee user's safety monitoring distance, high durability and convenient use.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a transformer core ground connection on-line monitoring device convenient to adjust, includes protective housing (1), its characterized in that: the top end in the protective shell (1) is connected with a screw rod (2) through a bearing, the bottom end of the screw rod (2) penetrates through the protective shell (1) through the bearing and is connected with a turntable (3), a push plate (4) is sleeved on the screw rod (2) in a threaded manner, push rods (5) are fixed on two sides of the top end of the push plate (4), the top end of each push rod (5) penetrates through the protective shell (1) in a sliding manner and is fixedly connected with a base (6), through grooves (7) are symmetrically formed in the top end of the base (6), a double-end lead screw (9) which is driven to rotate through an inner hexagonal nut (8) on the outer portion of the protective shell (1) is rotatably connected in the base (6), one end, close to the inner hexagonal nut (8), of the double-end lead screw (9) penetrates through the outer portion of the base (6) through the bearing and is fixedly connected with the inner hexagonal nut (8), and moving blocks (10) are sleeved on two sides of the double-end lead screw (9) in a threaded manner, the magnetic field sensor protection device is characterized in that a supporting block (11) matched with the through groove (7) is fixed to the top end of the moving block (10), an operating clamp (12) penetrates through the through groove (7) and is fixed to the top end of the supporting block (11), a magnetic field sensor (13) is installed on one side, opposite to the operating clamp (12), of the operating clamp, and a display screen (14) connected with the magnetic field sensor (13) is arranged outside the protection shell (1).

2. The transformer core grounding on-line monitoring device convenient to adjust according to claim 1, characterized in that: display screen (14) top is equipped with status display lamp (15), status display lamp (15) both sides are equipped with light warning light (16) and buzzer siren (17) respectively, magnetic field sensor (13) and status display lamp (15), light warning light (16) and buzzer siren (17) electric connection.

3. The transformer core grounding on-line monitoring device convenient to adjust according to claim 1, characterized in that: push pedal (4) both ends all with protective housing (1) inner wall sliding connection, push pedal (4) both ends all are fixed with first slider (18), all offer first slide rail (19) that match with first slider (18) on protective housing (1) both sides inner wall.

4. The transformer core grounding on-line monitoring device convenient to adjust according to claim 1, characterized in that: the bottom end of the moving block (10) is connected with the bottom end inside the base (6) in a sliding mode, a second sliding block (20) is fixed to the bottom end of the moving block (10), and second sliding rails (21) matched with the second sliding block (20) are arranged on two sides of the bottom end inside the base (6).

5. The transformer core grounding on-line monitoring device convenient to adjust according to claim 1, characterized in that: all the parcel of protective housing (1) both sides has rubber protective sheath (22), set up on rubber protective sheath (22) and be the antiskid groove (23) that the equidistance distributes, the position that lies in display screen (14) below on protective housing (1) is equipped with operating keyboard (24).