Movable short circuit trolley for hydropower station generator short circuit test

Abstract

The utility model provides a movable short-circuit trolley for a hydropower station generator short-circuit test, which relates to the technical field of short-circuit tools and comprises a main body mechanism and a connecting mechanism. The connecting mechanism comprises a mounting plate, a telescopic rod is inserted into the mounting plate in a penetrating mode, a clamping plate is fixedly mounted at the telescopic end of the telescopic rod, a connecting plate is fixedly mounted on one side of the clamping plate, rubber pads are fixedly mounted on the inner walls of the clamping plate and the connecting plate, and fixing bolts are inserted into the clamping plate and the connecting plate in a penetrating mode. And the two fixing bolts are respectively in threaded connection with the clamping plate and the connecting plate. According to the utility model, the short-circuit bus and the leading-out terminal of the generator are respectively arranged between the clamping plate and the connecting plate, the fixing bolt is rotated to be in threaded connection with the clamping plate and the connecting plate, and the short-circuit bus and the leading-out terminal of the generator are fixed, so that the short-circuit bus and the leading-out terminal of the generator are connected to form a current path, and quick connection and disassembly are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to short connection tool technical field especially relates to a movable short connection trolley for hydropower station generator short circuit test. BACKGROUND

[0002] Hydropower station generator is the energy of water flow to push water turbine rotation, water turbine and the rotating shaft of generator are connected, drive the coil in the generator to do cutting magnetic induction line movement in the magnetic field, thereby generating induced electromotive force and induced current, realize the generation of electric energy. Before the use process of hydropower station generator, it needs to carry out short circuit test, needs to use short connection tool.

[0003] In prior art, when carrying out generator short circuit test, connecting short connection line needs to spend very long time, and multiple dismantling, fastening screw is easy to cause screw loosening, slip silk or busbar contact area too small, easy to heat and exist safety hidden danger. UTILITY MODEL CONTENTS

[0004] The utility model mainly provides a movable short connection trolley for hydropower station generator short circuit test convenient to connect and dismantle.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a movable short connection trolley for hydropower station generator short circuit test, comprising: connecting mechanism;The connecting mechanism includes mounting plate, the inside of mounting plate is inserted through telescopic rod, the telescopic end of telescopic rod is fixedly installed clamping plate, one side of clamping plate is fixedly installed connecting plate, the inner wall of clamping plate and connecting plate is fixedly installed rubber pad, the inside of clamping plate and connecting plate is inserted through and is equipped with fixed bolt, two fixed bolts are respectively with clamping plate and connecting plate screw connection, the outer surface wall of two fixed bolts is fixedly set up gasket.

[0006] Preferably, one side of the clamping plate and the connecting plate is fixedly installed with a nut, the two fixed bolts are respectively inserted into the inside of the two nuts, a current transformer is fixedly arranged between the clamping plate and the connecting plate, and the top of the current transformer is fixedly connected with the bottom of the connecting plate.

[0007] Preferably, the main body mechanism further comprises a movable base, a group of universal wheels are fixedly installed on the bottom of the movable base, and a control box body is fixedly installed on the top of the movable base.

[0008] Preferably, one side of the control box body is hingedly connected with a cover plate, a cable drum is fixedly arranged in the control box body, and a generator body is fixedly installed on the top of the movable base.

[0009] Preferably, a control button is fixedly installed on one side of the movable base, and a control panel is fixedly installed on one side of the cover plate.

[0010] Preferably, a heat dissipation mesh plate is fixedly installed inside one side of the control box body, and a push rod is fixedly installed on the back of the control box body.

[0011] Preferably, the bottom of the mounting plate is fixedly connected with the top of the control box body.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、In the utility model, the outgoing line end of the short-circuit bus and the generator are respectively arranged between the clamping plate and the connecting plate, the short-circuit bus and the outgoing line end of the generator are fixed by rotating the fixing bolt and being respectively screwed with the clamping plate and the connecting plate, and the short-circuit bus and the outgoing line end of the generator are connected to form a current path, so that quick connection and removal work are facilitated.

[0014] 2、In the utility model, the heat dissipation mesh plate is installed to facilitate the dissipation of heat generated by the control elements in the control box body, the control button and the control panel are installed to facilitate the control of the power flow state, and the current information of the power grid is provided by using the current transformer measurement and metering devices. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the movable short-circuit trolley for the short-circuit test of the generator of the hydropower station is provided for the utility model;

[0016] Figure 2 A three-dimensional structure side view of the movable short-circuit trolley for the short-circuit test of the generator of the hydropower station is provided for the utility model;

[0017] Figure 3 A three-dimensional structure split schematic view of the main body mechanism in the movable short-circuit trolley for the short-circuit test of the generator of the hydropower station is provided for the utility model;

[0018] Figure 4 A three-dimensional structure schematic view of the connecting mechanism in the movable short-circuit trolley for the short-circuit test of the generator of the hydropower station is provided for the utility model.

[0019] Legend: 1, main body mechanism; 101, movable base; 102, universal wheel; 103, control box body; 104, cover plate; 105, cable drum; 106, generator body; 107, control button; 108, control panel; 109, heat dissipation mesh plate; 110, push rod; 2, connecting mechanism; 201, mounting plate; 202, telescopic rod; 203, clamping plate; 204, connecting plate; 205, rubber pad; 206, fixing bolt; 207, gasket; 208, nut; 209, current transformer. DETAILED DESCRIPTION

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Please see Figures 1-4 This utility model provides a technical solution: a movable short-circuit trolley for short-circuit testing of a hydropower station generator, comprising: a main body 1 and a connecting mechanism 2; the connecting mechanism 2 includes a mounting plate 201, a telescopic rod 202 is inserted through the mounting plate 201, a clamping plate 203 is fixedly installed at the telescopic end of the telescopic rod 202, a connecting plate 204 is fixedly installed on one side of the clamping plate 203, rubber pads 205 are fixedly installed on the inner walls of both the clamping plate 203 and the connecting plate 204, fixing bolts 206 are inserted through the clamping plate 203 and the connecting plate 204 respectively, and washers 207 are fixedly sleeved on the outer walls of both fixing bolts 206; through the control box body 103 A mounting plate 201 is fixedly connected to the top of the device. A telescopic rod 202 is inserted through the inside of the mounting plate 201. A clamping plate 203 is fixedly installed at the telescopic end of the telescopic rod 202. A connecting plate 204 is fixedly installed on one side of the clamping plate 203. Rubber pads 205 are fixedly installed on the inner walls of both the connecting plate 204 and the clamping plate 203. Fixing bolts 206 are inserted through the inside of the connecting plate 204 and the clamping plate 203. The short-circuit busbar and the generator's output terminal are respectively placed between the clamping plate 203 and the connecting plate 204. By rotating the fixing bolts 206, they are threadedly connected to the clamping plate 203 and the connecting plate 204 respectively, thus fixing the short-circuit busbar and the generator's output terminal, thereby connecting them to form a current path, which facilitates quick connection and disassembly.

[0023] like Figure 3 As shown, nuts 208 are fixedly installed on one side of clamping plate 203 and connecting plate 204, and two fixing bolts 206 are respectively inserted into the two nuts 208. A current transformer 209 is fixedly installed between clamping plate 203 and connecting plate 204, and the top of the current transformer 209 is fixedly connected to the bottom of connecting plate 204. By installing nuts 208 and using the threaded connection between nuts 208 and fixing bolts 206, the short-circuit busbar and the generator output terminal are fixed, which facilitates the connection for short-circuit testing. The current transformer 209 is then used to measure and meter the current information of the power grid.

[0024] likeFigure 3 As shown, it also includes a main body 1, which includes a movable base 101. A set of casters 102 are fixedly installed at the bottom of the movable base 101, and a control box body 103 is fixedly installed at the top of the movable base 101. By installing the casters 102, the device can be moved easily. Then, by installing the control box body 103, the control components can be stored, thereby enabling the generator to be tested for short circuit.

[0025] like Figure 3 As shown, a cover plate 104 is hinged to one side of the control box body 103, a cable reel 105 is fixedly installed inside the control box body 103, and a generator body 106 is fixedly installed on the top of the movable base 101. The control components inside the control box body 103 are protected by the cover plate 104, the cable reel 105 is used to store and release the short-circuit busbar, and the generator body 106 is placed on the top of the movable base 101 to conduct a short-circuit test.

[0026] like Figure 3 As shown, a control button 107 is fixedly installed on one side of the movable base 101, and a control panel 108 is fixedly installed on one side of the cover plate 104. The control button 107 is used to control the power flow, and the control panel 108 is used to facilitate the operator to perform short-circuit operation and monitor the test status.

[0027] like Figure 3 As shown, a heat dissipation mesh plate 109 is fixedly installed inside one side of the control box body 103, and a push rod 110 is fixedly installed on the back of the control box body 103; the heat dissipation mesh plate 109 is used to exhaust the hot air inside the control box body 103, and the push rod 110 is used to push the device.

[0028] like Figures 1-4 As shown, the bottom of the mounting plate 201 is fixedly connected to the top of the control box body 103; by installing the mounting plate 201 on the top of the control box body 103, it is convenient to support the connecting mechanism 2.

[0029] The usage and working principle of this device are as follows: First, a set of casters 102 are fixedly installed at the bottom of the movable base 101 to facilitate movement. A control box body 103 is fixedly installed on the top of the movable base 101 to house the controller, relays, and other control components. A cover plate 104 is hinged to one side of the control box body 103 to protect the control components inside. Then, a cable reel 105 is placed inside the control box body 103 to store and release the connecting short-circuit busbar, thereby enabling communication with the generator. First, connect and conduct a short-circuit test. Second, fix the generator body 106 to the top of the movable base 101. Fix a control button 107 to one side of the movable base 101 to control the power output. Fix a control panel 108 to one side of the cover plate 104 to facilitate short-circuit operation and monitoring of the test status. Then, fix a heat dissipation mesh plate 109 inside one side of the control box body 103 to dissipate the heat generated by the control components installed inside the control box body 103, preventing overheating from affecting the test. Then utilize... Push rod 110 pushes the device to change position; then, mounting plate 201 is fixedly connected to the top of control box body 103, telescopic rod 202 is inserted through the inside of mounting plate 201, clamping plate 203 is fixedly installed at the telescopic end of telescopic rod 202, connecting plate 204 is fixedly installed on one side of clamping plate 203, rubber pads 205 are fixedly installed on the inner walls of both connecting plate 204 and clamping plate 203, and fixing bolts 206 are inserted through the inside of connecting plate 204 and clamping plate 203. The short-circuit busbar and the generator output terminal are respectively set on clamping plate 203 and connecting plate 204. Between points 4, by rotating the fixing bolts 206, they are threaded to the clamping plate 203 and the connecting plate 204 respectively, fixing the short-circuited busbar and the generator output terminal, thereby connecting them to form a current path, facilitating quick connection and disassembly. Finally, washers 207 are fixedly sleeved on the outer walls of both fixing bolts 206 to enhance the tightness of the connection between the fixing bolts 206 and the connecting plate 204 and the clamping plate 203. A current transformer 209 is fixedly installed between the clamping plate 203 and the connecting plate 204 to provide current information of the power grid using its measuring and metering devices.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A movable short-circuit trolley for short-circuit test of a hydroelectric generator, characterized in that, Include: Connecting mechanism (2), the connecting mechanism (2) includes mounting plate (201), the inside of mounting plate (201) is inserted through telescopic rod (202), the telescopic end of telescopic rod (202) is fixedly installed clamping plate (203), one side of clamping plate (203) is fixedly installed connecting plate (204), the inner wall of clamping plate (203) and connecting plate (204) is fixedly installed rubber pad (205), the inside of clamping plate (203) and connecting plate (204) is inserted through fixed bolt (206), two fixed bolt (206) are respectively connected with clamping plate (203) and connecting plate (204) threaded, the outer surface wall of two fixed bolt (206) is fixedly provided with gasket (207).

2. The movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 1, characterized in that: The one side of clamping plate (203) and connecting plate (204) is fixedly installed nut (208), two fixed bolt (206) are respectively inserted in the inside of two nut (208), the current transformer (209) is fixedly arranged between clamping plate (203) and connecting plate (204), the top of current transformer (209) is fixedly connected with the bottom of connecting plate (204).

3. The movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 1, characterized in that: Also include main body mechanism (1), the main body mechanism (1) includes mobile base (101), the bottom of mobile base (101) is fixedly installed a group of universal wheel (102), the top of mobile base (101) is fixedly installed control box body (103).

4. The movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 3, characterized in that: The one side of control box body (103) is hingedly connected cover plate (104), the inside of control box body (103) is fixedly provided with cable drum (105), the top of mobile base (101) is fixedly installed generator body (106).

5. A movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 4, characterized in that: The one side of mobile base (101) is fixedly installed control button (107), the one side of cover plate (104) is fixedly installed control panel (108).

6. A movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 3, characterized in that: The one side inside of control box body (103) is fixedly installed heat dissipation net plate (109), the back of control box body (103) is fixedly installed push rod (110).

7. A movable short-circuit trolley for short-circuit test of a hydroelectric generator according to claim 3, characterized in that: The bottom of mounting plate (201) is fixedly connected with the top of control box body (103).

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