CN216621571U - Isolating switch contact pressure tester - Google Patents

Abstract

The utility model discloses a pressure tester for an isolating switch contact, which comprises a casing, wherein two corners of the bottom of the casing are respectively provided with a clamping and fixing mechanism, an inlet and an outlet are formed in the middle position of the bottom of the casing, a pressure testing machine body is inserted into the inlet and the outlet, the top of the pressure testing machine body is fixedly connected with a lifting seat, one side of the lifting seat is provided with a buffer assembly, the top of the inner wall of one end of the casing is fixedly connected with a forward and reverse rotating motor, the output shaft of the forward and reverse rotating motor is fixedly connected with a first rotating shaft, and one end of the first rotating shaft is fixedly connected with a threaded rod. The bottom of the pressure testing machine body is attached to the isolating switch contact, so that the whole pressure testing instrument can be conveniently and detachably mounted, the extrusion pressure of the pressure testing machine body on the isolating switch contact is changed, the isolating switch contact can be conveniently and automatically subjected to pressure testing, and manual operation is not needed.

Description

Isolating switch contact pressure tester

Technical Field

The utility model relates to the technical field of isolating switches, in particular to an isolating switch contact pressure tester.

Background

The isolating switch, commonly called as a knife switch, generally refers to a high-voltage isolating switch, i.e. an isolating switch with a rated voltage of 1kV or more, usually referred to as an isolating switch for short, is the most used electrical appliance in high-voltage switching electrical appliances, and the working principle and structure of the isolating switch are relatively simple.

The contact pressure of the contact of the disconnecting switch is an important parameter influencing the current-carrying performance of the disconnecting switch, a large number of high-voltage disconnecting switches are arranged in a power grid for overhauling every year, and the contact pressure test of the contact is one of overhauling projects. The existing pressure test equipment for the contact of the disconnecting switch is generally manually held and presses a pressure tester to perform test operation, does not have better operation performance, and needs to design a pressure tester for the contact of the disconnecting switch in urgent need for improving the reliability of safe operation of a power grid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a contact pressure tester of an isolating switch.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a pressure tester for an isolating switch contact comprises a machine shell, wherein two corners at the bottom of the machine shell are respectively provided with a clamping and fixing mechanism, an inlet and an outlet are arranged in the middle of the bottom of the casing, a pressure testing machine body is inserted into the inlet and the outlet, the top of the pressure testing machine body is fixedly connected with a lifting seat, one side of the lifting seat is provided with a buffer component, the top of the inner wall of one end of the casing is fixedly connected with a forward and backward rotating motor, and just the first pivot of output shaft fixedly connected with of positive and negative motor, the one end fixedly connected with threaded rod of first pivot, the other end fixedly connected with second pivot of threaded rod, be connected through the bearing between the one end of second pivot and the other end inner wall of casing, the outer wall threaded connection of threaded rod has the movable sleeve, and the bottom fixedly connected with of movable sleeve impels the seat, impels the bottom surface of seat and the top surface of lift seat to set up the inclined plane structure that contacts.

Preferably, centre gripping fixed establishment is including articulating the L type frame at casing both ends outer wall, and the bottom of L type frame all articulates there is locking hoop, the equal fixedly connected with equidistance of inner wall of locking hoop anti-skidding rack that distributes, T type spout has all been opened at the top of L type frame, and the equal sliding connection of inner wall of T type spout has T type slide, and it has electric putter to articulate between the top of T type slide and the bottom both sides of casing.

Preferably, the buffering component comprises a buffering groove formed in one side of the bottom of the lifting seat, a guide rod inserted into the buffering groove is fixedly connected to one side of the inner wall of the bottom of the machine shell, and a plurality of springs are fixedly connected between the top of the guide rod and the top of the buffering groove.

Preferably, the bottom inner wall one side fixedly connected with battery of casing, and the casing is close to one side of battery and opens there is the access hole, and one side of access hole articulates there is the access door.

Preferably, one side outer wall fixedly connected with display and control box of casing, and display, control box, pressure test organism, electric putter and positive reverse motor all with the battery between electric connection.

Preferably, a handle frame is fixedly connected to the top of the casing.

Preferably, one side of the access door is provided with heat dissipation grooves distributed equidistantly.

The beneficial effects of the utility model are as follows:

1. through the centre gripping fixed establishment who sets up on the casing, place the pressure tester of whole isolator contact on the isolator contact through the handle frame, make two locking hoops cup joint on the isolator, utilize the inclination of the electric putter regulation L type frame in the centre gripping fixed establishment, shorten the distance between two locking hoops, thereby can be with locking hoop chucking on the isolator, make on the bottom laminating switch isolator contact of pressure test organism, be convenient for carry out removable installation to whole pressure tester and handle.

2. Through setting up the motor that just reverses in the casing, impel the seat, lift seat and pressure test organism, when the test, utilize the battery to be the power supply of whole pressure test appearance, drive first pivot through the motor that just reverses, threaded rod and second pivot rotate, adjust the position of movable sleeve on the threaded rod, adjust the position that impels the seat, utilize the height of impelling a extrusion lift seat, change the extrusion pressure degree of pressure test organism to the isolator contact, be convenient for carry out automatic pressure test to the isolator contact and handle, need not the manual work and operate.

Drawings

Fig. 1 is a schematic view of the overall structure of a contact pressure tester of an isolating switch provided in embodiment 1;

fig. 2 is a schematic structural view of a T-shaped chute and an anti-slip rack of the isolating switch contact pressure tester provided in embodiment 1;

fig. 3 is a schematic sectional front view of a case of the isolating switch contact pressure tester in embodiment 1;

fig. 4 is a schematic view of the inlet/outlet and spring structure of the isolating switch contact pressure tester provided in embodiment 1;

fig. 5 is a schematic structural view of a heat dissipation slot of the pressure tester for the contact of the disconnecting switch in embodiment 2.

In the figure: 1. a housing; 2. a display; 3. an L-shaped frame; 4. a locking band; 5. a pressure test machine body; 6. an electric push rod; 7. an access door; 8. a control box; 9. a handle frame; 10. a T-shaped chute; 11. an anti-slip rack; 12. a positive and negative rotation motor; 13. a first rotating shaft; 14. a threaded rod; 15. a movable sleeve; 16. a propulsion seat; 17. a lifting seat; 18. a guide bar; 19. a storage battery; 20. an inlet and an outlet; 21. a buffer tank; 22. a spring; 23. a heat dissipation groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, an isolating switch contact pressure tester comprises a casing 1, wherein two corners of the bottom of the casing 1 are respectively provided with a clamping and fixing mechanism, an inlet and outlet 20 is arranged at the middle position of the bottom of the casing 1, a pressure testing machine body 5 is inserted into the inlet and outlet 20, the top of the pressure testing machine body 5 is connected with a lifting seat 17 through a bolt, one side of the lifting seat 17 is provided with a buffer component, the top of the inner wall of one end of the casing 1 is connected with a forward and reverse rotating motor 12 through a bolt, the output shaft of the forward and reverse rotating motor 12 is connected with a first rotating shaft 13 through a bolt, one end of the first rotating shaft 13 is welded with a threaded rod 14, the other end of the threaded rod 14 is welded with a second rotating shaft, one end of the second rotating shaft is connected with the inner wall of the other end of the casing 1 through a bearing, the outer wall of the threaded rod 14 is connected with a movable sleeve 15 through a thread, and the bottom of the movable sleeve 15 is welded with a pushing seat 16, the bottom surface of the pushing seat 16 and the top surface of the lifting seat 17 are arranged to be in contact with each other in a slope structure.

Further, centre gripping fixed establishment is including articulating the L type frame 3 at casing 1 both ends outer wall, and the bottom of L type frame 3 all articulates there is locking hoop 4, and locking hoop 4's inner wall all welds the antiskid rack 11 that the equidistance distributes, and T type spout 10 has all been opened at the top of L type frame 3, and the equal sliding connection of inner wall of T type spout 10 has T type slide, and it has electric putter 6 to articulate between the top of T type slide and the bottom both sides of casing 1.

Furthermore, the buffer assembly comprises a buffer groove 21 formed in one side of the bottom of the lifting seat 17, a guide rod 18 inserted into the buffer groove 21 is welded on one side of the inner wall of the bottom of the machine shell 1, and a plurality of springs 22 are welded between the top of the guide rod 18 and the top of the buffer groove 21.

Further, there is battery 19 bottom inner wall one side of casing 1 through bolted connection, and casing 1 is close to one side of battery 19 and opens there is the access hole, and one side of access hole articulates there is access door 7.

Further, the outer wall of one side of the casing 1 is connected with the display 2 and the control box 8 through bolts, and the display 2, the control box 8, the pressure testing machine body 5, the electric push rod 6 and the forward and reverse rotation motor 12 are electrically connected with the storage battery 19.

Further, a handle frame 9 is connected to the top of the housing 1 through bolts.

The working principle is as follows: when in use, a user places the pressure tester of the whole isolating switch contact on the isolating switch contact through the handle frame 9, so that the two locking hoops 4 are sleeved on the isolating switch, the electric push rod 6 in the clamping and fixing mechanism is used for adjusting the inclination angle of the L-shaped frame 3, the distance between the two locking hoops 4 is shortened, the locking hoops 4 can be clamped on the isolating switch, the bottom of the pressure tester body 5 is attached to the isolating switch contact, the detachable installation treatment of the whole pressure tester is convenient, when in test, the storage battery 19 is used for supplying power to the whole pressure tester, the positive and negative rotation motor 12 is used for driving the first rotating shaft 13, the threaded rod 14 and the second rotating shaft to rotate, the position of the movable sleeve 15 on the threaded rod 14 is adjusted, the position of the pushing seat 16 is adjusted, the height of the lifting seat 17 is squeezed by the pushing seat 16, the extrusion force of the pressure tester body 5 on the isolating switch contact is changed, the automatic pressure test processing is convenient to carry out on the isolating switch contact, and manual operation is not needed.

Example 2

Referring to fig. 5, in this embodiment, compared with embodiment 1, a heat dissipation groove 23 is formed on one side of an access door 7 and distributed equidistantly.

The working principle is as follows: when in use, a user can perform heat dissipation treatment on the inside of the whole machine shell 1 through the heat dissipation groove 23 on the access door 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims (7)

1. A pressure tester for an isolating switch contact comprises a machine shell (1) and is characterized in that clamping and fixing mechanisms are arranged at two corners of the bottom of the machine shell (1), an inlet and outlet (20) is formed in the middle position of the bottom of the machine shell (1), a pressure testing machine body (5) is inserted into the inlet and outlet (20), a lifting seat (17) is fixedly connected to the top of the pressure testing machine body (5), a buffer component is arranged on one side of the lifting seat (17), a forward and reverse motor (12) is fixedly connected to the top of the inner wall of one end of the machine shell (1), a first rotating shaft (13) is fixedly connected to an output shaft of the forward and reverse motor (12), a threaded rod (14) is fixedly connected to one end of the first rotating shaft (13), a second rotating shaft is fixedly connected to the other end of the threaded rod (14), and one end of the second rotating shaft is connected with the inner wall of the other end of the machine shell (1) through a bearing, the outer wall threaded connection of threaded rod (14) has movable sleeve (15), and the bottom fixedly connected with of movable sleeve (15) impels seat (16), and the bottom surface that impels seat (16) and the top surface of lift seat (17) set up the inclined plane structure that contacts.

2. The isolating switch contact pressure tester according to claim 1, wherein the clamping and fixing mechanism comprises L-shaped frames (3) hinged to outer walls of two ends of the casing (1), the bottom ends of the L-shaped frames (3) are hinged to locking hoops (4), inner walls of the locking hoops (4) are fixedly connected with anti-skidding racks (11) distributed equidistantly, T-shaped sliding grooves (10) are formed in the tops of the L-shaped frames (3), T-shaped sliding seats are slidably connected to inner walls of the T-shaped sliding grooves (10), and electric push rods (6) are hinged between the tops of the T-shaped sliding seats and two sides of the bottom of the casing (1).

3. The isolating switch contact pressure tester as claimed in claim 2, wherein the buffer assembly comprises a buffer groove (21) formed in one side of the bottom of the lifting seat (17), a guide rod (18) inserted into the buffer groove (21) is fixedly connected to one side of the inner wall of the bottom of the casing (1), and a plurality of springs (22) are fixedly connected between the top of the guide rod (18) and the top of the buffer groove (21).

4. The isolating switch contact pressure tester as claimed in claim 3, wherein a storage battery (19) is fixedly connected to one side of the bottom inner wall of the casing (1), an access hole is formed in one side, close to the storage battery (19), of the casing (1), and an access door (7) is hinged to one side of the access hole.

5. The isolating switch contact pressure tester according to claim 4, wherein the outer wall of one side of the casing (1) is fixedly connected with a display (2) and a control box (8), and the display (2), the control box (8), the pressure testing machine body (5), the electric push rod (6) and the forward and reverse rotation motor (12) are electrically connected with a storage battery (19).

6. The isolating switch contact pressure tester according to any one of claims 1 to 5, characterized in that a handle frame (9) is fixedly connected to the top of the casing (1).

7. The isolating switch contact pressure tester according to claim 4, characterized in that the access door (7) is provided with heat dissipation grooves (23) at one side and distributed equidistantly.

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