CN109273333B

CN109273333B - Electric power protection device

Info

Publication number: CN109273333B
Application number: CN201811240649.5A
Authority: CN
Inventors: 程海明; 程海波; 熊佐芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-24
Filing date: 2018-10-24
Publication date: 2020-03-24
Anticipated expiration: 2038-10-24
Also published as: CN109273333A

Abstract

The invention discloses a power protection device, and relates to the field of power protection. The tin wire connecting seats are arranged at two ends of the tin wire, sliding seats are sleeved on the input end support or the output end support, and a first adjusting spring is sleeved on the input end support or the output end support; a rotating rod is arranged in the second cavity, a second through hole is formed in the bottom end of the box body, and a hoop adjusting device is arranged on the rotating rod. The invention has the beneficial effects that: the invention improves the use stability by improvement on the basis of the prior technology of protecting the electric equipment by quickly dislocating the disconnected tin wire.

Description

Electric power protection device

Technical Field

The invention mainly relates to the field of power protection, in particular to a power protection device.

Background

In the electricity utilization process, power protection needs to be carried out on electric equipment, and the purpose of power failure is achieved through tin wire fusing in a general protection measure. However, if the current is too large or suddenly overloaded, the tin wire may still be broken down at the connection after being melted.

Among the prior art, in order to make the tin silk after the fusing, two tin silk tie points can stagger rapidly, reach the guard action, through set up input support and output support in the frame to set up sliding connection seat on input support and output support, make sliding connection seat slide under the effect of spring and shell fragment after the tin silk fusing, stagger the tin silk after the fusing in isolation layer both sides. However, the following problems still exist when the structure is used:

1. the electric equipment that needs the protection is usually can vibrate when the operation such as transformer, transmission line, mutual-inductor, contactor, and tin silk itself is in between the isolation layer, receives the elasticity of the shell fragment of spring, and there is extrusion contact between the isolation layer, in addition the vibration of electric equipment, makes the tin silk fracture very easily.

2. The general environment of locating of consumer is comparatively crude, and the majority is open-air state, and above-mentioned device receives environmental impact when using greatly, and the part takes place to damage easily.

The problems lead to insufficient stability, high failure rate and low use efficiency of the power protection device in practical application, and particularly, the tin wire is easy to break in an abnormal state.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides an electric power protection device which improves the use stability through improvement on the basis of the prior art that the electric equipment is protected by quickly misplacing after a tin wire is disconnected.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an electric power protection device comprises a box body, wherein a partition plate is arranged in the box body, the partition plate divides the inner space of the box body into a first cavity and a second cavity, a frame is arranged in the first cavity, an input end is arranged at one side of the frame, an output end is arranged at the side, opposite to the input end, of the frame, first through holes are arranged at two sides of the box body, the positions of the first through holes are matched with the input end and the output end, an input end support and an output end support are arranged in the frame, an isolating layer is arranged between the input end support and the output end support, a tin wire is arranged in the isolating layer, a buffering cushion is arranged on the isolating layer, tin wire connecting seats are arranged at two ends of the tin wire, connecting wires are arranged at the end parts of the tin wire connecting seats, one ends, far away from the tin, the sliding seat is fixedly connected with the tin wire connecting seat, the input end support or the output end support is sleeved with a first adjusting spring, and the first adjusting spring is matched with the sliding seat; a rotating rod is arranged in the second cavity, a second through hole is formed in the bottom end of the box body, the bottom end of the rotating rod penetrates through the second through hole and is located outside the box body, a hoop adjusting device is arranged on the rotating rod, an adjusting rod is arranged on the hoop adjusting device, a third through hole is formed in the side wall of the box body, one end of the adjusting rod penetrates through the third through hole and is located outside the box body, and a hoop is arranged at one end of the adjusting rod located outside the box body; the improved hoop-locking type connecting box is characterized in that a protective frame is arranged at the top of the box body, a connecting pipe is arranged on one side of the protective frame and is located on one side, opposite to the hoop, of the box body, and the top end of the connecting pipe is communicated with and fixedly connected with the protective frame.

The isolating layer is located between the input end support and the output end support and is far away from one side of the sliding seat, and the cross-sectional area of the cushion pad is continuously reduced from one side far away from the first adjusting spring to one side close to the first adjusting spring.

Staple bolt adjusting device includes first bevel gear, first bevel gear cover is established on the dwang, first bevel gear one side sets up the second bevel gear, first bevel gear meshes with the second bevel gear mutually, set up the screw rod in the centre bore of second bevel gear, mounting nut on the screw rod, the nut is the cylindricality nut, set up the slide bar on the nut, the slide bar is kept away from nut one end and is set up the slider, box diapire and/or division board diapire position department set up linear guide rail, linear guide rail and slider suit, nut tip and regulation pole fixed connection.

The number of the screw rods and the nuts is two, the screw rods are located in the central hole of the second bevel gear, transmission is achieved between the screw rods, a first connecting plate is arranged in the second cavity, one side of the first connecting plate is fixedly connected with the nuts, and the side, opposite to the nuts, of the first connecting plate is fixedly connected with the adjusting rods.

And a second adjusting spring is arranged between the adjusting rod and the adjusting plate.

A ball head universal joint structure is arranged between the hoop and the adjusting rod.

The adjusting rod is located the outer one end of box and sets up the second connecting plate, the staple bolt is a plurality of, and is a plurality of the staple bolt all is connected with the second connecting plate.

The bottom wall of the partition plate is provided with a bearing with a seat, and the end part of the rotating rod is positioned in the bearing with the seat.

An auxiliary plate is arranged in the protective frame, and the height of the top surface of the auxiliary plate is in a descending state from the side far away from the connecting pipe to the side close to the connecting pipe.

And the bottom of the connecting pipe is provided with an elbow joint.

Compared with the prior art, the invention has the beneficial effects that:

1. this device is through setting up the spring into singly to set up the blotter on the isolation layer, reduced the effort between tin silk and the isolation layer, thereby reduced the fracture under the tin silk abnormal condition, but still can fuse under the too big or sudden overload's of electric current condition, improved the stability that the tin silk used.

2. This device is through setting up the protective frame at the box top to adjust the position of staple bolt through staple bolt adjusting device, reduce the electric power protection structure in the first cavity and receive the interference of factors such as outside wind and rain dust, effectively fix the box, reduce the vibration, improve the stability of device operation.

3. The adjusting spring is kept away from to the cushion position, and the shape is the variable cross section for tin silk also can realize the dislocation rapidly when keeping away from adjusting spring position fracture, has further improved device power protection's effect.

4. This device adopts the screw and nut structure to adjust the position of staple bolt, operates steadily, and is fixed firm, and difficult the slip is applicable to in this device to adjust the position of staple bolt.

5. The arrangement of the two screw nut structures further improves the stability of the hoop position adjustment and improves the pushing force of the nut movement.

6. The setting of second adjusting spring plays the cushioning effect between staple bolt and nut, has reduced nut box and staple bolt support piece because of the impact force of vibration production, effective protection device part.

7. The ball joint universal joint structure is convenient for adjust the position of staple bolt, has improved the flexibility that the staple bolt used.

8. The setting of a plurality of second staple bolts has further improved the fastness when the box is fixed, also is convenient for use the staple bolt in a flexible way according to the environment that the consumer located, has improved the fixed flexibility of box.

9. The setting of rolling bearing is convenient for control the dwang, has improved the stability when dwang rotates.

10. The auxiliary plate is arranged, so that accumulated water and other objects in the protective frame can be conveniently discharged, and the device is effectively protected.

11. The elbow joint makes things such as ponding in the protective frame keep away from the box at the discharge process, reduces the interference and the damage to the box.

Drawings

FIG. 1 is a front view structural schematic of the present invention;

FIG. 2 is a schematic view of the internal structure of the case of the present invention;

FIG. 3 is a schematic view of the internal structure of the protection frame of the present invention;

FIG. 4 is an enlarged view of the portion I of the present invention.

Reference numerals shown in the drawings: 1. a box body; 2. a partition plate; 3. a first cavity; 4. a second cavity; 5. a frame; 6. an input end; 7. an output end; 8. a first through hole; 9. an input end bracket; 10. an output end bracket; 11 an isolation layer; 12. tin wire; 13. a cushion pad; 14. a tin wire connecting seat; 15. a connecting wire; 16. a sliding seat; 17. a first regulating spring; 18. rotating the rod; 19. a second through hole; 20. adjusting a rod; 21. a third through hole; 22. hooping; 23. a protective frame; 24. a connecting pipe; 25. a first bevel gear; 26. a second bevel gear; 27. a screw; 28. a nut; 29. a slide bar; 30. a slider; 31. a linear guide rail; 32. a second regulating spring; 33. a first connecting plate; 34. a ball joint gimbal structure; 35. a second connecting plate; 36. a pedestal bearing; 37. an auxiliary plate; 38. an elbow fitting.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding, sticking and the like in the prior art, and the adopted circuit connection is the conventional type in the prior art, and the detailed description is not repeated.

An electric power protection device comprises a box body 1, wherein a partition plate 2 is arranged in the box body 1, the partition plate 2 divides the inner space of the box body 1 into a first cavity 3 and a second cavity 4, a frame 5 is arranged in the first cavity 3, an input end 6 is arranged on one side of the frame 5, an output end 7 is arranged on one side, opposite to the input end 6, of the frame 5, first through holes 8 are arranged on two sides of the box body 1, the positions of the first through holes 8 are matched with the input end 6 and the output end 7, an input end support 9 and an output end support 10 are arranged in the frame 5, an isolation layer 11 is arranged between the input end support 9 and the output end support 10, a tin wire 12 is arranged in the isolation layer 11, a cushion pad 13 is arranged on the isolation layer 11, tin wire connecting seats 14 are arranged at two ends of the tin wire 12, connecting wires 15 are arranged at the end parts of the tin wire connecting seats 14, the input end support 9 or the output end support 10 is sleeved with a sliding seat 16, the sliding seat 16 is fixedly connected with a tin wire connecting seat 14, the input end support 9 or the output end support 10 is sleeved with a first adjusting spring 17, and the first adjusting spring 17 is adapted to the sliding seat 16; a rotating rod 18 is arranged in the second cavity 4, a second through hole 19 is formed in the bottom end of the box body 1, the bottom end of the rotating rod 18 penetrates through the second through hole 19 and is located outside the box body 1, a hoop adjusting device is arranged on the rotating rod 18, an adjusting rod 20 is arranged on the hoop adjusting device, a third through hole 21 is formed in the side wall of the box body 1, one end of the adjusting rod 20 penetrates through the third through hole 21 and is located outside the box body 1, and a hoop 22 is arranged at one end of the adjusting rod 20 located outside the box body 1; the top of the box body 1 is provided with a protective frame 23, one side of the protective frame 23 is provided with a connecting pipe 24, the connecting pipe 24 is positioned on one side of the box body 1 opposite to the hoop 22, and the top end of the connecting pipe 24 is communicated and fixedly connected with the protective frame 23. This device is through setting up the spring into singly to set up the blotter on the isolation layer, reduced the effort between tin silk and the isolation layer, thereby reduced the fracture under the tin silk abnormal condition, but still can fuse under the too big or sudden overload's of electric current condition, improved the stability that the tin silk used. And through setting up the protective frame at the box top to adjust the position of staple bolt through staple bolt adjusting device, reduce the electric power protection structure in the first cavity and receive the interference of factors such as outside wind and rain dust, effectively fix the box, reduce the vibration, improve the stability of device operation.

In order to quickly realize the dislocation of the tin wire at the position far away from the adjusting spring, the isolating layer 11 is positioned between the input end bracket 9 and the output end bracket 10 at the side far away from the sliding seat 16, and the cross-sectional area of the buffer cushion 13 is gradually reduced from the side far away from the adjusting spring to the side close to the first adjusting spring 17. The adjusting spring is kept away from to the cushion position, and the shape is the variable cross section for tin silk also can realize the dislocation rapidly when keeping away from adjusting spring position fracture, has further improved device power protection's effect.

The hoop adjusting device may adopt a straight sliding rod structure, may adopt a rack and pinion structure or a slider-crank structure, and is optimized, in an embodiment of the present invention, the hoop adjusting device includes a first bevel gear 25, the first bevel gear 25 is sleeved on the rotating rod 18, one side of the first bevel gear 25 is provided with a second bevel gear 26, the first bevel gear 25 is engaged with the second bevel gear 26, a screw 27 is arranged in a central hole of the second bevel gear 26, the screw 27 is provided with a nut 28, the nut 28 is a cylindrical nut, as shown in fig. 2, the cylindrical nut is strip-shaped, the adjusting stroke is longer, and one end is in a sealed state, and the hoop adjusting device is suitable for adjusting the hoop position in the device. The nut 28 is provided with a sliding rod 29, one end of the sliding rod 29, which is far away from the nut 28, is provided with a sliding block 30, the bottom wall of the box body 1 and/or the bottom wall of the partition plate 2 are provided with linear guide rails 31, the linear guide rails 31 are matched with the sliding block 30, and in one embodiment of the invention, the type of the linear guide rails and the sliding block are THK SHS 35C. The end of the nut 28 is fixedly connected with the adjusting rod 20. This device adopts the screw and nut structure to adjust the position of staple bolt, operates steadily, and is fixed firm, and difficult the slip is applicable to in this device to adjust the position of staple bolt.

Preferably, the number of the screws 27 and the nuts 28 is two, a single screw 27 is located in a central hole of the second bevel gear 26, the two screws 27 are in belt transmission, a first connecting plate 33 is arranged in the second cavity 4, one side of the first connecting plate 33 is fixedly connected with the nut 28, and the opposite side of the first connecting plate 33 and the nut 28 is fixedly connected with the adjusting rod 20. The arrangement of the two screw nut structures further improves the stability of the hoop position adjustment and improves the pushing force of the nut movement.

Preferably, a second adjusting spring 32 is disposed between the adjusting lever 20 and the adjusting plate. The setting of second adjusting spring plays the cushioning effect between staple bolt and nut, has reduced nut box and staple bolt support piece because of the impact force of vibration production, effective protection device part.

In order to improve the flexibility of the anchor ear, a ball joint structure 34 is arranged between the anchor ear 22 and the adjusting rod 20. The ball joint universal joint structure is convenient for adjust the position of staple bolt, has improved the flexibility that the staple bolt used.

In order to improve the fixation of the box body, a second connecting plate 35 is arranged at one end of the adjusting rod 20, which is positioned outside the box body 1, a plurality of anchor ears 22 are arranged, and the anchor ears 22 are connected with the second connecting plate 35. The setting of a plurality of second staple bolts has further improved the fastness when the box is fixed, also is convenient for use the staple bolt in a flexible way according to the environment that the consumer located, has improved the fixed flexibility of box.

In order to facilitate the operation of the rotating rod, a bearing 36 with a seat is arranged at the bottom wall position of the partition plate 2, and the end part of the rotating rod 18 is positioned in the bearing 36 with a seat. The setting of rolling bearing is convenient for control the dwang, has improved the stability when dwang rotates.

Preferably, an auxiliary plate 37 is disposed in the protective frame 23, and the height of the top surface of the auxiliary plate 37 is lowered from the side away from the connection pipe 24 to the side close to the connection pipe 24. The auxiliary plate is arranged, so that accumulated water and other objects in the protective frame can be conveniently discharged, and the device is effectively protected.

Preferably, the bottom of the connecting pipe 24 is provided with an elbow joint 38. The elbow joint makes things such as ponding in the protective frame keep away from the box at the discharge process, reduces the interference and the damage to the box.

The using method comprises the following steps:

this device is when using, at first transfer the staple bolt to proper position through staple bolt adjusting device and fix on support pieces such as poles, fix the box, then be connected input and output in the box and the power equipment that needs the protection as required, when the electric current is too big or transship suddenly, tin silk fusing, under first regulating spring's effect, first regulation drives sliding seat and tin silk slip, tin silk fusing part misplaces in isolation layer both sides rapidly, reach the effect of protection power equipment.

Claims

1. The utility model provides an electric power protection device, includes box (1), its characterized in that: the tin wire insulation box is characterized in that a partition plate (2) is arranged in the box body (1), the internal space of the box body (1) is divided into a first cavity (3) and a second cavity (4) by the partition plate (2), a frame (5) is arranged in the first cavity (3), an input end (6) is arranged on one side of the frame (5), an output end (7) is arranged on one side, opposite to the input end (6), of the frame (5), first through holes (8) are formed in two sides of the box body (1), the positions of the first through holes (8) are matched with the input end (6) and the output end (7), an input end support (9) and an output end support (10) are arranged in the frame (5), an isolation layer (11) is arranged between the input end support (9) and the output end support (10), a tin wire (12) is arranged in the isolation layer (11), the tin wire fixing device is characterized in that tin wire connecting seats (14) are arranged at two ends of a tin wire (12), connecting wires (15) are arranged at the end parts of the tin wire connecting seats (14), one ends, far away from the tin wire connecting seats (14), of the connecting wires (15) are respectively connected with an input end (6) and an output end (7), sliding seats (16) are sleeved on input end supports (9) or output end supports (10), the sliding seats (16) are fixedly connected with the tin wire connecting seats (14), first adjusting springs (17) are sleeved on the input end supports (9) or the output end supports (10), and the first adjusting springs (17) are matched with the sliding seats (16);

a rotating rod (18) is arranged in the second cavity (4), a second through hole (19) is formed in the bottom end of the box body (1), the bottom end of the rotating rod (18) penetrates through the second through hole (19) to be located outside the box body (1), a hoop adjusting device is arranged on the rotating rod (18), an adjusting rod (20) is arranged on the hoop adjusting device, a third through hole (21) is formed in the side wall of the box body (1), one end of the adjusting rod (20) penetrates through the third through hole (21) to be located outside the box body (1), and a hoop (22) is arranged at one end of the adjusting rod (20) located outside the box body (1);

the improved safety guard box is characterized in that a protective frame (23) is arranged at the top of the box body (1), a connecting pipe (24) is arranged on one side of the protective frame (23), the connecting pipe (24) is positioned on one side, opposite to the hoop (22), of the box body (1), the top end of the connecting pipe (24) is communicated with and fixedly connected with the protective frame (23), the isolating layer (11) is positioned between the input end support (9) and the output end support (10) and is far away from one side of the sliding seat (16), the cross sectional area of the buffer cushion (13) is continuously reduced from one side far away from the adjusting spring to one side close to the first adjusting spring (17), the hoop adjusting device comprises a first bevel gear (25), the first bevel gear (25) is sleeved on the rotating rod (18), a second bevel gear (26) is arranged on one side of the first bevel gear (25), the first bevel gear (25) is meshed with the second bevel gear (26, mounting nut (28) on screw rod (27), nut (28) are the cylindricality nut, set up slide bar (29) on nut (28), slide bar (29) are kept away from nut (28) one end and are set up slider (30), box (1) diapire and/or division board (2) diapire position department set up linear guide rail (31), linear guide rail (31) and slider (30) suit, nut (28) tip and regulation pole (20) fixed connection.

2. A power protection device according to claim 1, characterized in that: the quantity of screw rod (27) and nut (28) is two, singly screw rod (27) are located the centre bore of second bevel gear (26), two the area transmission between screw rod (27), set up first connecting plate (33) in second cavity (4), first connecting plate (33) one side and nut (28) fixed connection, first connecting plate (33) and nut (28) relative one side and regulation pole (20) fixed connection.

3. A power protection device according to claim 2, characterized in that: a second adjusting spring (32) is arranged between the adjusting rod (20) and the first connecting plate (33).

4. A power protection device according to claim 1, characterized in that: a ball head universal joint structure (34) is arranged between the hoop (22) and the adjusting rod (20).

5. A power protection device according to claim 1 or 4, characterized in that: the adjusting rod (20) is located one end outside the box body (1) and is provided with a second connecting plate (35), the hoops (22) are multiple, and the hoops (22) are connected with the second connecting plate (35).

6. A power protection device according to claim 1, characterized in that: the division board (2) diapire position department sets up area seat bearing (36), dwang (18) tip is located area seat bearing (36).

7. A power protection device according to claim 1, characterized in that: an auxiliary plate (37) is arranged in the protective frame (23), and the height of the top surface of the auxiliary plate (37) is in a descending state from the side far away from the connecting pipe (24) to the side close to the connecting pipe (24).

8. A power protection device according to claim 1, characterized in that: an elbow joint (38) is arranged at the bottom of the connecting pipe (24).