CN219553501U - High-low voltage isolating switch - Google Patents

Abstract

The utility model relates to the field of isolating switches, in particular to a high-low voltage isolating switch which comprises a base, wherein two insulators are fixedly arranged at the top of the base, a rotary table and a supporting table are fixedly arranged at the tops of the two insulators respectively, a fixed plate is fixedly arranged in the supporting table, a ratchet wheel is fixedly arranged at the top of the fixed plate through a rotating wheel, a pawl is arranged at one side of the ratchet wheel, the bottom of the pawl is fixedly arranged at the top of the fixed plate through the rotating wheel, and the pawl is in meshed connection with the ratchet wheel. The high-low voltage isolating switch provided by the utility model has the advantages that the pull plate is pulled to enable the pull rod fixedly connected with the pull plate to move, so that the pawl fixedly connected with the pull rod moves, the spring fixedly connected with the pawl extends, the spanner is pulled to close the knife, the knife is clamped with the clamp spring, the pull plate is released, the pawl is meshed with the ratchet wheel to fix, and the operation is simple and the time is saved.

Description

High-low voltage isolating switch

Technical Field

The utility model relates to the field of isolating switches, in particular to a high-low voltage isolating switch.

Background

The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have an insulation distance and an obvious disconnection mark which meet the specified requirements; and when the switch is in the closed position, the switch device can bear the current under the normal loop condition and the current under the abnormal condition in the specified time. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely, the isolating switch with the rated voltage of more than 1kV, has a simple working principle and structure, but has high requirements on working reliability due to large use amount, and has larger influence on the design, establishment and safe operation of power substations and power plants.

The existing isolating switch is inconvenient to operate in use, time and labor are wasted, the existing high-voltage isolating switch lacks effective protection of a contact, the contact is fast in aging, and the problem of poor contact is easy to occur.

Therefore, it is necessary to provide a new high-low voltage isolating switch to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a high-low voltage isolating switch.

The utility model provides a high-low voltage isolating switch, which comprises: the base, the top fixed mounting of base has two insulators, two fixed mounting has revolving stage and brace table respectively at the top of insulator, fixed mounting has the fixed plate in the brace table, the top of fixed plate has the ratchet through runner fixed mounting, one side of ratchet is equipped with the pawl, the bottom of pawl is through runner fixed mounting at the top of fixed plate, pawl and ratchet meshing are connected.

Preferably, one side of pawl is equipped with the spring, the one end and the fixed plate fixed connection of spring, the one end and the pawl top fixed connection of fixed plate are kept away from to the spring, one side fixedly connected with pull rod of spring is kept away from to the pawl, the front surface and the fixedly connected with pull block that run through of revolving stage are kept away from to one side of pawl to the pull rod, the top fixedly connected with column spinner of ratchet, the top of column spinner runs through the top of revolving stage and fixedly connected with plug-in strip.

Preferably, the top fixed mounting of brace table has the fixture block, the notch has been seted up to the fixture block one side that is close to the revolving stage, and fixed mounting has the jump ring in the notch, one side and the jump ring joint that the column spinner was kept away from to the plug-in strip, the top fixed mounting that the plug-in strip is close to fixture block one side has the handle, one side of brace table is equipped with the connector lug, the bottom fixed mounting of connector lug is at the top of brace table.

Preferably, two sliding grooves are formed in one side, close to the supporting table, of the base, a threaded rod is fixedly arranged in the base through a rotating wheel, a threaded block is connected to the threaded rod in a threaded mode, a transmission rod is fixedly connected to one side, far away from the rotating table, of the threaded rod, and an adjusting wheel is fixedly connected to one side, far away from the threaded rod, of the transmission rod, penetrating through the inner wall of the base.

Preferably, the base is internally and fixedly provided with a slide bar, the slide bar is connected with a slide block in a sliding way, the tops of the threaded rod and the slide block are fixedly connected with support bars, and the tops of the two support bars respectively penetrate through the sliding groove and are fixedly connected with a baffle.

Compared with the related art, the high-low voltage isolating switch provided by the utility model has the following beneficial effects:

1. pulling the pulling plate so as to enable the pulling rod fixedly connected with the pulling plate to move, enabling the pawl fixedly connected with the pulling rod to move, enabling the spring fixedly connected with the pawl to extend, further pulling the spanner to close the knife, enabling the knife to be clamped with the clamp spring, loosening the pulling plate, enabling the pawl to be meshed with the ratchet, and enabling the fixing operation to be simple and saving time.

2. The adjusting wheel is rotated, so that the transmission rod fixedly connected with the adjusting wheel rotates, the threaded rod fixedly connected with the transmission rod rotates, the threaded block on the threaded rod moves left and right along the threaded rod, the support rod fixedly connected with the threaded block moves left and right along the sliding groove, the baffle fixedly connected with the support rod moves left and right, the slide block fixedly connected with the baffle through the support rod moves left and right along the sliding rod, and the contact can be shielded, so that the service life of the switch can be prolonged.

Drawings

FIG. 1 is a schematic diagram of a high-low voltage isolation switch according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the rotary table shown in FIG. 1;

fig. 3 is a schematic structural view of the base shown in fig. 1.

Reference numerals in the drawings: 1. a base; 2. an insulator; 3. a rotary table; 4. a spin column; 5. a knife switch; 6. a support table; 7. a pull rod; 8. a clamping block; 9. clamping springs; 10. a connector lug; 11. a chute; 12. a support rod; 13. a baffle; 14. a transmission rod; 15. a fixing plate; 16. a ratchet wheel; 17. a pawl; 18. a spring; 19. a threaded rod; 20. a screw block; 21. a slide bar; 22. a sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

In the specific implementation process, as shown in fig. 1, 2 and 3, two insulators 2 are fixedly installed at the top of a base 1, a rotary table 3 and a supporting table 6 are fixedly installed at the tops of the two insulators 2 respectively, a fixed plate 15 is fixedly installed in the supporting table 6, a ratchet wheel 16 is fixedly installed at the top of the fixed plate 15 through a rotating wheel, a pawl 17 is arranged at one side of the ratchet wheel 16, the bottom of the pawl 17 is fixedly installed at the top of the fixed plate 15 through the rotating wheel, the pawl 17 is in meshed connection with the ratchet wheel 16, a spring 18 is arranged at one side of the pawl 17, one end of the spring 18 is fixedly connected with the fixed plate 15, one end of the spring 18, which is far from the fixed plate 15, is fixedly connected with the top of the pawl 17, one side, which is far from the spring 18, is fixedly connected with a pull rod 7, one side, which is far from the pawl 17, penetrates through the front surface of the rotary table 3 and is fixedly connected with a pull block, the top of the ratchet wheel 16 is fixedly connected with a rotary column 4, the top of the rotary table 3 is penetrated through the top of the rotary table 3 and is fixedly connected with a knife 5, a clamping block 8 is fixedly installed at the top of the supporting table 6, a clamping block 9 is arranged at one side, which is near the rotary table 3, a clamping spring 9 is fixedly installed at one side of the clamping block 9, which is near the top of the rotary table 6, and is fixedly connected with a clamping block 9, and one side of the clamping block 5 is near the top is fixedly connected with a top 10, and is near the top 10, and is fixedly connected with a top side of the rotary table 10;

it should be noted that: pulling the pulling plate to make the pulling rod 7 fixedly connected with the pulling plate move, so that the pawl 17 fixedly connected with the pulling rod 7 moves, so that the spring 18 fixedly connected with the pawl 17 extends, and then the spanner is pulled to close the knife switch 5, so that the knife switch 5 is clamped with the clamp spring 9, the pulling plate is loosened, and then the pawl 17 is meshed with the ratchet wheel 16, so that the fixing operation is simple, and the time is saved.

Referring to fig. 1 and 3, two sliding grooves 11 are formed in one side, close to a supporting table 6, of a base 1, a threaded rod 19 is fixedly arranged in the base 1 through a rotating wheel, a threaded block 20 is connected to the threaded rod 19 in a threaded mode, a transmission rod 14 is fixedly connected to one side, far away from the rotating table 3, of the threaded rod 19, one side, far away from the threaded rod 19, of the transmission rod 14 penetrates through the inner wall of the base 1 and is fixedly connected with an adjusting wheel, a sliding rod 21 is fixedly arranged in the base 1, a sliding block 22 is connected to the sliding rod 21 in a sliding mode, supporting rods 12 are fixedly connected to the tops of the threaded rod 19 and the sliding block 22, and tops of the two supporting rods 12 penetrate through the sliding grooves 11 and are fixedly connected with a baffle 13 respectively;

it should be noted that: the adjusting wheel is rotated, so that the transmission rod 14 fixedly connected with the adjusting wheel rotates, the threaded rod 19 fixedly connected with the transmission rod 14 rotates, the threaded block 20 on the threaded rod 19 moves left and right along the threaded rod 19, the support rod 12 fixedly connected with the threaded block 20 moves left and right along the chute 11, the baffle 13 fixedly connected with the support rod 12 moves left and right, the slide block 22 fixedly connected with the baffle 13 through the support rod 12 moves left and right along the slide rod 21, the contact can be shielded, and the service life of the switch can be prolonged.

The working principle of the high-low voltage isolating switch provided by the utility model is as follows: pulling the pulling plate to make the pulling rod 7 fixedly connected with the pulling plate move, so that the pawl 17 fixedly connected with the pulling rod 7 moves, so that the spring 18 fixedly connected with the pawl 17 extends, and then the spanner is pulled to close the knife switch 5, so that the knife switch 5 is clamped with the clamp spring 9, the pulling plate is loosened, and then the pawl 17 is meshed with the ratchet wheel 16, so that the fixing operation is simple, and the time is saved. The adjusting wheel is rotated, so that the transmission rod 14 fixedly connected with the adjusting wheel rotates, the threaded rod 19 fixedly connected with the transmission rod 14 rotates, the threaded block 20 on the threaded rod 19 moves left and right along the threaded rod 19, the support rod 12 fixedly connected with the threaded block 20 moves left and right along the chute 11, the baffle 13 fixedly connected with the support rod 12 moves left and right, the slide block 22 fixedly connected with the baffle 13 through the support rod 12 moves left and right along the slide rod 21, the contact can be shielded, and the service life of the switch can be prolonged.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (5)

1. The utility model provides a high low pressure isolator, includes base (1), its characterized in that, the top fixed mounting of base (1) has two insulators (2), two the top of insulator (2) is fixed mounting respectively has revolving stage (3) and brace table (6), fixed mounting has fixed plate (15) in brace table (6), the top of fixed plate (15) is through runner fixed mounting ratchet (16), one side of ratchet (16) is equipped with pawl (17), the bottom of pawl (17) is through runner fixed mounting at the top of fixed plate (15), pawl (17) are connected with ratchet (16) meshing.

2. The high-low voltage isolating switch according to claim 1, characterized in that a spring (18) is arranged on one side of the pawl (17), one end of the spring (18) is fixedly connected with the fixed plate (15), one end of the spring (18) away from the fixed plate (15) is fixedly connected with the top of the pawl (17), one side of the pawl (17) away from the spring (18) is fixedly connected with a pull rod (7), one side of the pull rod (7) away from the pawl (17) penetrates through the front surface of the rotary table (3) and is fixedly connected with a pull block, the top of the ratchet wheel (16) is fixedly connected with a rotary column (4), and the top of the rotary column (4) penetrates through the top of the rotary table (3) and is fixedly connected with a knife switch (5).

3. The high-low voltage isolating switch according to claim 2, characterized in that a clamping block (8) is fixedly mounted at the top of the supporting table (6), a notch is formed in one side, close to the rotating table (3), of the clamping block (8), a clamp spring (9) is fixedly mounted in the notch, one side, far away from the rotating column (4), of the knife switch (5) is clamped with the clamp spring (9), a handle is fixedly mounted at the top, close to one side of the clamping block (8), of the knife switch (5), a connector lug (10) is arranged at one side of the supporting table (6), and the bottom of the connector lug (10) is fixedly mounted at the top of the supporting table (6).

4. The high-low voltage isolating switch according to claim 1, characterized in that two sliding grooves (11) are formed in one side, close to the supporting table (6), of the base (1), a threaded rod (19) is fixedly arranged in the base (1) through a rotating wheel, a threaded block (20) is connected to the threaded rod (19) in a threaded mode, a transmission rod (14) is fixedly connected to one side, far away from the rotating table (3), of the threaded rod (19), and one side, far away from the threaded rod (19), of the transmission rod (14) penetrates through the inner wall of the base (1) and is fixedly connected with an adjusting wheel.

5. The high-low voltage isolating switch according to claim 4, wherein a sliding rod (21) is fixedly installed in the base (1), a sliding block (22) is connected to the sliding rod (21) in a sliding mode, supporting rods (12) are fixedly connected to the tops of the threaded rod (19) and the sliding block (22), and the tops of the two supporting rods (12) penetrate through the sliding grooves (11) respectively and are fixedly connected with the baffle plates (13).