Isolating switch for electric power engineering

Abstract

The utility model relates to the technical field of electric power engineering, in particular to an isolating switch for electric power engineering, which comprises a connecting seat, a connecting groove is formed in the right part of the upper end of the connecting seat, a movable groove is formed in the middle of the left groove wall of the connecting groove, and grooves are formed in the front groove wall and the rear groove wall of the movable groove. A limiting mechanism is fixedly connected to the left groove wall of the movable groove, and a connecting mechanism is connected to the interior of the connecting groove in a clamped mode. According to the isolating switch for the electric power engineering, the high-voltage isolating switch can be conveniently and rapidly installed, time-consuming operations such as alignment and screwing of a plurality of bolts are not needed, the installation of the high-voltage isolating switch can be completed in a short time, the installation efficiency can be improved, the normal operation of an electric power system can be ensured, and the installation cost can be reduced. And moreover, the working time and the working difficulty of workers at a high place are reduced, so that the safety risks of high-altitude falling, object hitting and the like are reduced, and the personal safety of constructors is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power engineering, especially relates to a disconnecting switch for electric power engineering. BACKGROUND

[0002] With the development of economy, the demand of society for electric power is increasing, the scale of electric power system is expanding, the distribution of power generation resources and electric power load is uneven, so that large-capacity long-distance power transmission becomes inevitable, for example, China's west-to-east power transmission project needs high-voltage transmission line to realize efficient transmission of electric power, in this case, as an important equipment in high-voltage transmission line, the performance and reliability of the disconnecting switch are crucial to guarantee the stable operation of the electric power system.

[0003] The disconnecting switch for electric power engineering in the prior art needs to install and fasten multiple bolts at a high place during use, which not only consumes more time than single connection mode, but also makes the whole installation process longer due to the complexity and difficulty of operation at a high place, thereby increasing the working time of construction personnel at a high place, increasing labor intensity and safety risk, prolonging the power outage time of electric power equipment and affecting the normal operation and power supply reliability of the electric power system. SUMMARY

[0004] The main purpose of the utility model is to provide a disconnecting switch for electric power engineering, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A disconnecting switch for electric power engineering, comprising a connecting seat, a connecting groove is formed in the right part of the upper end of the connecting seat, a movable groove is formed in the left groove wall of the connecting groove, recesses are formed in the front groove wall and the rear groove wall of the movable groove, a limiting mechanism is fixedly connected to the left groove wall of the movable groove, a connecting mechanism is clamped and connected inside the connecting groove, a high-voltage disconnecting switch body is fixedly installed at the upper end of the connecting mechanism, a sliding groove is formed in the left part of the upper end of the connecting seat, first chamfers are arranged at the four corners inside the connecting groove, and embedding grooves are formed in the left part and the right part of the front groove wall, the left part and the right part of the rear groove wall and the middle part of the right groove wall.

[0007] Preferably, the limiting mechanism comprises a limiting block, a spring is fixedly connected to the left end of the limiting block, protrusions are fixedly connected to the left part and the right part of the front end of the limiting block, a sliding rod is fixedly connected to the left part of the upper end of the limiting block, and a lever is fixedly connected to the upper end of the sliding rod.

[0008] Preferably, the limiting block is in penetrating and movable connection with the movable groove, and the left end of the spring is fixedly connected to the left groove wall of the movable groove.

[0009] By adopting the technical scheme, the limiting block is pushed into the limiting slot through the reset of the spring, so that the high-voltage disconnecting switch is conveniently and quickly installed.

[0010] Preferably, the two protrusions are in sliding connection with the two grooves respectively, the slide rod is in sliding connection with the slide groove, and the push rod is above the connecting base.

[0011] By adopting the technical scheme, the push rod conveniently moves the limiting block into the movable slot, so that the internal space of the connecting slot can be reserved.

[0012] Preferably, the connecting mechanism comprises a connecting plate, T-shaped clamping blocks are fixedly connected to the left front end, the right front end, the left rear end, the right rear end and the middle right end of the connecting plate, a limiting slot is formed in the middle left end of the connecting plate, and second chamfers are arranged at the four corners of the connecting plate.

[0013] Preferably, the connecting plate is in clamping connection with the connecting slot, and the five T-shaped clamping blocks are in embedding connection with the corresponding five embedding slots respectively.

[0014] By adopting the technical scheme, the limiting slot can quickly correspond to the position of the limiting block.

[0015] Preferably, the limiting slot is in clamping connection with the right part of the limiting block, and the four second chamfers are in mutual abutment with the corresponding four first chamfers respectively.

[0016] By adopting the technical scheme, it can be ensured that the connecting plate and the connecting slot can be stably connected.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. By pushing the push rod to the left, the push rod moves the limiting block into the movable slot with the slide rod and compresses the spring, then the connecting plate is clamped into the connecting slot, the push rod is released, and the limiting block is automatically clamped into the limiting slot on the left side of the connecting plate under the reset of the spring, so that the high-voltage disconnecting switch can be conveniently and quickly installed, without time-consuming operations such as alignment and screwing of multiple bolts, the installation of the high-voltage disconnecting switch can be completed in a short time, the installation efficiency is improved, the normal operation of the power system is ensured, the working time and difficulty of the workers at high places are reduced, the safety risks such as high-altitude falling and object impact are reduced, and the personal safety of the construction workers is ensured.

[0019] 2, when the connecting plate is clamped into the connecting groove, the five T-shaped clamping blocks outside the connecting plate are clamped with the corresponding five embedding grooves on the connecting seat, and the second chamfers at the four corners of the connecting plate are respectively matched with the four first chamfers inside the connecting groove, which provides clear positioning reference for the installation of the connecting plate, can quickly correspond the position of the limiting groove with the limiting block, and can ensure that the connection between the high-voltage disconnecting switch body and the connecting seat is stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the disconnecting switch for electric power engineering;

[0021] Figure 2 It is a whole structure schematic view of the connecting seat of the disconnecting switch for electric power engineering;

[0022] Figure 3 It is a whole structure schematic view of the limiting mechanism of the disconnecting switch for electric power engineering;

[0023] Figure 4 It is a whole structure schematic view of the connecting mechanism of the disconnecting switch for electric power engineering.

[0024] In the figure: 1, connecting seat; 2, connecting groove; 3, movable groove; 4, groove; 5, limiting mechanism; 51, limiting block; 52, spring; 53, protruding block; 54, sliding rod; 55, lever; 6, connecting mechanism; 61, connecting plate; 62, T-shaped clamping block; 63, limiting groove; 64, second chamfer; 7, high-voltage disconnecting switch body; 8, sliding groove; 9, first chamfer; 10, embedding groove. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0026] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "setting", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0029] A disconnecting switch for electric power engineering, including connecting seat 1, the right part of connecting seat 1 upper end is provided with connecting slot 2, the left groove wall of connecting slot 2 is provided with movable slot 3 in the middle, the front groove wall and the rear groove wall of movable slot 3 are provided with recess 4, the left groove wall of movable slot 3 is fixedly connected with limit mechanism 5, the inside of connecting slot 2 is clamped and is connected with connecting mechanism 6, the upper end of connecting mechanism 6 is fixedly installed with high-voltage disconnecting switch body 7, the left part of connecting seat 1 upper end is provided with sliding slot 8, the inside of connecting slot 2 four corners is provided with first chamfer 9, the left part and the right part of the front groove wall and the left part and the right part of the rear groove wall and the middle part of the right groove wall of connecting slot 2 front groove wall are provided with embedding slot 10.

[0030] In the embodiment, limit mechanism 5 includes limit block 51, the left end of limit block 51 is fixedly connected with spring 52, the left part and the right part of the front end of limit block 51 are fixedly connected with lug 53, the left part of the upper end of limit block 51 is fixedly connected with slide rod 54, the upper end of slide rod 54 is fixedly connected with lever 55, limit block 51 is in threaded connection with movable slot 3, the left end of spring 52 is fixedly connected with the left groove wall of movable slot 3, two lugs 53 are slidably connected with two recesses 4 respectively, slide rod 54 is slidably connected with sliding slot 8, and lever 55 is located above connecting seat 1.

[0031] Through the above scheme: by moving lever 55 to the left, lever 55 moves limit block 51 into movable slot 3 by slide rod 54 and compresses spring 52, then the connecting plate 61 is clamped into the connecting slot 2, the lever 55 is released, and the limit block 51 is automatically clamped into the limit slot 63 on the left side of the connecting plate 61 under the reset of the spring 52, so that the high-voltage disconnecting switch body 7 can be conveniently and quickly installed, without time-consuming operations such as alignment and screwing of multiple bolts, and the installation of the high-voltage disconnecting switch body 7 can be completed in a short time.

[0032] In the embodiment, the connecting mechanism 6 comprises a connecting plate 61, T-shaped clamping blocks 62 are fixedly connected to the left and right front ends and the left and right rear ends of the connecting plate 61, a limiting groove 63 is formed in the middle of the left end of the connecting plate 61, second chamfers 64 are arranged at the four corners of the connecting plate 61, the connecting plate 61 is clamped into the connecting groove 2, the five T-shaped clamping blocks 62 are respectively embedded into the corresponding five embedding grooves 10, the limiting groove 63 is clamped with the right part of the limiting block 51, and the four second chamfers 64 are respectively matched with the corresponding four first chamfers 9.

[0033] When the connecting plate 61 is clamped into the connecting groove 2, the five T-shaped clamping blocks 62 on the outer side of the connecting plate 61 are clamped with the corresponding five embedding grooves 10 on the connecting base 1, the second chamfers 64 at the four corners of the connecting plate 61 are matched with the four first chamfers 9 in the connecting groove 2, and the installation of the connecting plate 61 is provided with a clear positioning reference, so that the limiting groove 63 can be quickly matched with the position of the limiting block 51, and the connection between the high-voltage disconnecting switch body 7 and the connecting base 1 is stable and reliable.

[0034] It should be noted that the utility model discloses a disconnecting switch for electric power engineering, in the using process, through operating, the lever 55 is moved to the left, this action promotes the lever 55 linkage slide rod 54 to drive the limiting block 51 to slide into the movable slot 3, and in this process, the spring 52 is compressed, subsequently, the connecting plate 61 is embedded into the connecting groove 2, once the lever 55 is released, the spring 52 restores immediately, pushes the limiting block 51 and makes the high-voltage disconnecting switch body 7 become simple and fast in the installation process, avoids the tedious bolt alignment and screwing step, shortens the installation time, not only improves the installation efficiency, ensures the smooth operation of electric power system, also reduces the time and difficulty of high-altitude operation, and further reduces the safety hidden danger such as high-altitude falling, object strike, guarantees the life safety of construction personnel, in the process that the connecting plate 61 is embedded into the connecting groove 2, the five T-shaped clamping blocks 62 on the outer side of the connecting plate 61 are accurately clamped with the corresponding five embedding grooves 10 on the connecting base 1, simultaneously, the second chamfers 64 at the four corners of the connecting plate 61 are closely matched with the four first chamfers 9 in the connecting groove 2, not only provide clear positioning reference for the installation of the connecting plate 61, ensure that the limiting groove 63 and the limiting block 51 can be quickly and accurately matched, also enhance the connection stability between the high-voltage disconnecting switch body 7 and the connecting base 1, make it more safe and reliable.

[0035] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A disconnector for electrical engineering, comprising a connection seat (1), characterized in that: The connecting groove (2) is provided with a movable slot (3) in the middle of the left groove wall, the front groove wall and the rear groove wall of the movable slot (3) are provided with a recess (4), the left groove wall of the movable slot (3) is fixedly connected with a limiting mechanism (5), the connecting groove (2) is clamped with a connecting mechanism (6), the upper end of the connecting mechanism (6) is fixedly installed with a high-voltage disconnecting switch body (7), the upper left part of the connecting seat (1) is provided with a sliding groove (8), the inside of the connecting groove (2) is provided with a first chamfer (9) at four corners, the left part and the right part of the front groove wall and the left part and the right part of the rear groove wall and the middle part of the right groove wall of the connecting groove (2) are provided with an embedded groove (10). The limiting mechanism (5) comprises a limiting block (51), the left end of the limiting block (51) is fixedly connected with a spring (52), the left part and the right part of the front end of the limiting block (51) are fixedly connected with a protruding block (53), the left part of the upper end of the limiting block (51) is fixedly connected with a sliding rod (54), and the upper end of the sliding rod (54) is fixedly connected with a lever (55).

2. The isolating switch for power engineering according to claim 1, characterized in that: The limiting block (51) is in penetrating and movable connection with the movable slot (3), and the left end of the spring (52) is fixedly connected with the left groove wall of the movable slot (3).

3. The isolating switch for power engineering according to claim 1, characterized in that: The two protruding blocks (53) are in sliding connection with the two recesses (4) respectively, the sliding rod (54) is in sliding connection with the sliding groove (8), and the lever (55) is located above the connecting seat (1).

4. The isolating switch for power engineering according to claim 1, characterized in that: The connecting mechanism (6) comprises a connecting plate (61), the left part and the right part of the front end and the left part and the right part of the rear end and the middle part of the right end of the connecting plate (61) are fixedly connected with a T-shaped clamping block (62), the middle part of the left end of the connecting plate (61) is provided with a limiting slot (63), and the four corners of the outer part of the connecting plate (61) are provided with a second chamfer (64).

5. The isolating switch for power engineering according to claim 4, characterized in that: The connecting plate (61) is clamped with the connecting groove (2), and the five T-shaped clamping blocks (62) are embeddedly connected with the corresponding five embedded grooves (10) respectively.

6. The isolating switch for power engineering according to claim 4, characterized in that: The limiting slot (63) is clamped with the right part of the limiting block (51), and the four second chamfers (64) are mutually attached to the corresponding four first chamfers (9) respectively.

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