Change-over switch contact mechanism of on-load switch

Abstract

The utility model relates to the technical field of on-load tap-changers, in particular to a change-over switch contact mechanism of an on-load switch, which mainly comprises an installation main body, the switching mechanism is mounted on the mounting main body and is used for driving a contact to switch; the switching mechanism comprises a rotating cylinder mounted on the mounting main body, a rotating part is fixedly mounted on the rotating cylinder, and a groove is formed in the rotating cylinder; the bottom plate is mounted at the bottom of the mounting main body; the fixing mechanism is mounted on the mounting main body and is used for fixedly mounting the device; the fixing mechanism comprises a fixing piece installed on the bottom plate, and a transverse rod is fixedly connected to the fixing piece. According to the change-over switch contact mechanism of the on-load switch, the two groups of contacts can be driven to be switched through the switching mechanism, so that rapid switching can be performed when adjustment is needed, and the rapid adjustment capability of the output voltage of a transformer can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of on-load tap changer, specifically is a switching switch contact mechanism of on-load switch. BACKGROUND

[0002] On-load switch, especially on-load tap changer in transformer, is a kind of device for changing the tap connection position of transformer winding to realize the purpose of voltage regulation under the operation of transformer excitation or load state, and its switching switch contact mechanism is the core component for realizing this function, and its performance directly influences the operation efficiency and stability of transformer.

[0003] In power system, on-load switch is an important accessory of transformer, undertakes the key task of adjusting transformer output voltage under the condition of not interrupting load current, and traditional switching switch contact mechanism often has the problems of slow switching speed and long transient process when carrying out tap changer switching, which not only influences the rapid adjustment ability of transformer output voltage, but also can cause adverse effects on the stability of power system and load equipment. UTILITARY MODEL

[0004] The utility model aims at providing a kind of switching switch contact mechanism of on-load switch to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of switching switch contact mechanism of on-load switch, comprising: installation main body;Conversion mechanism, installed on the installation main body, for driving contact conversion;The conversion mechanism includes rotating cylinder installed on installation main body, rotating member is fixedly installed on the rotating cylinder, recess is opened in the rotating cylinder;Bottom plate, installed at the bottom of the installation main body;Fixed mechanism, installed on the installation main body, for fixed installation to the device;The fixed mechanism includes fixed piece installed on the bottom plate, and horizontal rod is fixedly connected on the fixed piece.

[0007] Preferably, the conversion mechanism includes straight chute installed on installation main body, connecting rod is slidably connected on the straight chute, contact is fixedly connected on the connecting rod, connecting line is fixedly connected on the contact, connecting block is fixedly connected on the connecting line, the recess is slidably connected with connecting rod, and circular chute is opened in the installation main body.

[0008] Preferably, the connecting rod is fixedly connected with sliding block, and straight chute is slidably connected on the sliding block, and the straight chute and connecting rod are slidably connected through sliding block.

[0009] Preferably, the connecting rod is fixedly connected with a sliding cylinder, and the sliding cylinder is slidably connected with a groove, and the groove and the connecting rod are slidably connected through the sliding cylinder.

[0010] Preferably, the fixing mechanism comprises a threaded rod mounted on the bottom plate, a rotating circular plate fixedly connected with the threaded rod, the threaded rod is rotatably connected with the cross rod, the cross rod is fixedly connected with a sliding sleeve, the sliding sleeve is slidably connected with the bottom plate, the cross rod is rotatably connected with a crank, the crank is rotatably connected with a rotating rod, and the rotating rod is rotatably connected with the bottom plate.

[0011] Preferably, the bottom plate is fixedly connected with a sliding rail, the sliding rail is slidably connected with a sliding sleeve, and the sliding sleeve and the bottom plate are slidably connected through the sliding rail.

[0012] Compared with the prior art, the beneficial effects of the present application are: when in use, the conversion mechanism can drive two groups of contacts to switch, so that the output voltage of the transformer can be quickly adjusted when adjustment is needed, and the device can be quickly installed through the fixing mechanism, thereby reducing the installation time of the workers and greatly improving the installation efficiency.

[0013] The present application can quickly install and fix the device through the rotating circular plate, thereby greatly improving the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the present application.

[0015] Figure 2 It is a rear view of the structure of the present application.

[0016] Figure 3 It is a partial view of the structure of the present application.

[0017] Figure 4 It is a view of the conversion mechanism of the present application.

[0018] In the drawing:

[0019] 1, installation main body; 2, connecting block; 3, connecting line;

[0020] 4, conversion mechanism; 401, circular sliding groove; 402, groove; 403, rotating part; 404, rotating cylinder; 405, straight sliding groove; 406, sliding block; 407, connecting rod; 408, sliding cylinder; 409, contact;

[0021] 5. Fixing mechanism; 501. Threaded rod; 502. Rotating circular plate; 503. Crossbar; 504. Sliding sleeve; 505. Slide rail; 506. Fixing component; 507. Crank; 508. Rotating rod;

[0022] 6. Base plate. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] like Figures 1-4 As shown, this application provides a switching contact mechanism for an on-load switch, including a mounting body 1; a switching mechanism 4, mounted on the mounting body 1, for driving contact switching; the switching mechanism 4 includes a rotating cylinder 404 mounted on the mounting body 1, a rotating component 403 fixedly mounted on the rotating cylinder 404, and a groove 402 formed on the rotating cylinder 404; a base plate 6, mounted on the bottom of the mounting body 1; and a fixing mechanism 5, mounted on the mounting body 1, for fixing the device; the fixing mechanism 5 includes a fixing component 506 mounted on the base plate 6, and a crossbar 503 fixedly connected to the fixing component 506.

[0026] In this embodiment: because the mounting body 1 is equipped with a switching mechanism 4, the contact 409 can be quickly switched by controlling the switching mechanism 4, thereby effectively adjusting the transformer output voltage quickly. And by controlling the fixing mechanism 5, the device can be quickly installed and fixed.

[0027] Specifically, such as Figure 4As shown, the conversion mechanism 4 includes a straight chute 405 mounted on the mounting body 1, the straight chute 405 is slidably connected with a connecting rod 407, the connecting rod 407 is fixedly connected with a contact 409, the contact 409 is fixedly connected with a connecting wire 3, the connecting wire 3 is fixedly connected with a connecting block 2, the groove 402 is slidably connected with the connecting rod 407, and the mounting body 1 is provided with a circular chute 401; the connecting rod 407 is fixedly connected with a sliding block 406, the sliding block 406 is slidably connected with the straight chute 405, and the straight chute 405 is slidably connected with the connecting rod 407 through the sliding block 406; the connecting rod 407 is fixedly connected with a sliding cylinder 408, the sliding cylinder 408 is slidably connected with the groove 402, and the groove 402 is slidably connected with the connecting rod 407 through the sliding cylinder 408.

[0028] In the embodiment, the conversion mechanism 4 includes a rotating cylinder 404 rotatably mounted on the mounting body 1, the rotating cylinder 404 is fixedly provided with a rotating piece 403, the rotating cylinder 404 is provided with the groove 402, and the sliding cylinder 408 can be driven to slide on the groove 402 and the circular chute 401 by rotating the rotating piece 403, so that the two groups of contacts 409 can be quickly switched.

[0029] Specifically, as shown in the figure, Figure 1 The fixing mechanism 5 includes a threaded rod 501 mounted on the bottom plate 6, the threaded rod 501 is fixedly connected with a rotating circular plate 502, the threaded rod 501 is rotatably connected with a cross bar 503, the cross bar 503 is fixedly connected with a sliding sleeve 504, the sliding sleeve 504 is slidably connected with the bottom plate 6, the cross bar 503 is rotatably connected with a crank 507, the crank 507 is rotatably connected with a rotating rod 508, and the rotating rod 508 is rotatably connected with the bottom plate 6; the bottom plate 6 is fixedly connected with a sliding rail 505, the sliding rail 505 is slidably connected with the sliding sleeve 504, and the sliding sleeve 504 is slidably connected with the bottom plate 6 through the sliding rail 505.

[0030] In the embodiment, the bottom of the mounting body 1 is fixedly provided with the bottom plate 6, the fixing mechanism 5 is mounted on the bottom plate 6, the fixing mechanism 5 includes that the rotating rod 508 is rotatably connected with the bottom plate 6, the crank 507 is rotatably connected with the rotating rod 508, the crank 507 is rotatably connected with the rotating circular plate 502, the cross bar 503 is rotatably connected with the threaded rod 501, the threaded rod 501 is fixedly connected with the rotating circular plate 502, and two groups of fixing pieces 506 can be driven to move by rotating the rotating circular plate 502, so that the device can be quickly installed and fixed.

[0031] The scheme is specifically: through the conversion mechanism 4, two groups of contacts 409 can be driven to switch, so that when adjustment is needed, quick switching can be performed, thereby effectively improving the quick adjustment capability of the transformer output voltage, and through the control fixed mechanism 5, the device can be quickly installed, thereby reducing the installation time of the workers, and greatly improving the installation efficiency.

[0032] Those skilled in the art will understand that the above discussion of any of the embodiments is merely exemplary; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as above, which are not provided in details for the sake of simplicity.

[0033] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A load break switch contact mechanism of a switching switch, characterized in that, Include: The installation body (1) is installed on the installation body (1) for driving the contact conversion; the rotating cylinder (404) is installed on the rotating cylinder (404), and the rotating member (403) is fixedly installed on the rotating cylinder (404); the groove (402) is opened on the rotating cylinder (404); The bottom plate (6) is installed on the bottom of the installation body (1); The fixing mechanism (5) is installed on the installation body (1) for fixing the device; the fixing mechanism (5) includes a fixing member (506) installed on the bottom plate (6), and the horizontal rod (503) is fixedly connected to the fixing member (506). The straight chute (405) is installed on the installation body (1), the connecting rod (407) is slidably connected to the straight chute (405), the connecting rod (407) is fixedly connected to the contact (409), the connecting line (3) is fixedly connected to the contact (409), the connecting line (3) is fixedly connected to the connecting block (2), the groove (402) is slidably connected to the connecting rod (407), and the circular chute (401) is opened on the installation body (1).

2. A load break switch contact mechanism according to claim 1, characterised in that, The connecting rod (407) is fixedly connected to the sliding block (406), the straight chute (405) is slidably connected to the sliding block (406), and the straight chute (405) and the connecting rod (407) are slidably connected through the sliding block (406).

3. A load break switch contact mechanism according to claim 2, characterised in that, The connecting rod (407) is fixedly connected to the sliding cylinder (408), the groove (402) is slidably connected to the sliding cylinder (408), and the groove (402) and the connecting rod (407) are slidably connected through the sliding cylinder (408).

4. A load break switch contact mechanism according to claim 2, characterised in that, The fixing mechanism (5) includes a threaded rod (501) installed on the bottom plate (6), the threaded rod (501) is fixedly connected to the rotating disc (502), the threaded rod (501) and the horizontal rod (503) are rotatably connected, the horizontal rod (503) is fixedly connected to the sliding sleeve (504), the sliding sleeve (504) and the bottom plate (6) are slidably connected, the horizontal rod (503) is rotatably connected to the crank (507), the crank (507) is rotatably connected to the rotating rod (508), and the rotating rod (508) and the bottom plate (6) are rotatably connected.

5. A load break switch contact mechanism according to claim 1, wherein The sliding rail (505) is fixedly connected to the bottom plate (6), the sliding sleeve (504) is slidably connected to the sliding rail (505), and the sliding sleeve (504) and the bottom plate (6) are slidably connected through the sliding rail (505).

6. A load break switch contact mechanism according to claim 5, characterised in that, ​

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