Safety tool high-voltage test automatic grounding device

Abstract

The utility model discloses an automatic grounding device for a safety tool high-voltage test, which belongs to the technical field of electric insulation tool tests and comprises a mounting base, a hollow spindle, a winding wheel, a driving motor, a lead and a charging electrode hammer. The hollow main shaft is rotatably connected onto the mounting base, the winding wheel is fixed with the hollow main shaft, the driving motor is used for driving the hollow main shaft to rotate, a wire is wound on the winding wheel, and the charging electrode hammer is fixedly connected with the wire. In the process, due to the existence of the carbon brush slip ring, the charging electrode hammer is always electrified, when the charging electrode hammer is connected with the charging seat, power can be supplied to the electric clamping jaw at the top of the test rack, and the device can be automatically charged before the test is started and after the test is finished. The automation of the insulation rod test at a higher degree is realized, and the test operation is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power insulating tool test, specifically relates to a safety tool high pressure test automatic grounding device. BACKGROUND

[0002] The insulation performance of electric power insulating tool directly influences the safety of electric power production, and therefore its quality standard, type test and periodic preventive test have very strict regulations and requirements.

[0003] The insulation performance of the insulating rod is crucial to the safety of live working, and the insulating rod test frame is the main test equipment for the power frequency withstand voltage test of the insulating rod, in order to make the test operation simple and fast, the company develops an insulating rod test frame with a kind of electric insulating rod test binding clamp (patent publication number: CN217007419U), the high voltage end and the grounding end of the insulating rod test frame are both installed with electric clamps, but the high voltage end cannot be powered by the electric clamp because of high voltage during the test, therefore the electric clamp power supply adopts a kind of charging hanging rod, the use method is as follows: before doing high voltage test, the charging hanging rod is hung to the charging position, after the insulating rod is clamped by the electric clamp, the charging hanging rod is removed, and then the high voltage test can be started, after the high voltage test is completed, the charging hanging rod is hung to the charging position, and then the insulating rod can be removed, the hanging operation of the charging hanging rod is relatively troublesome.

[0004] In order to realize higher automation degree of the insulating rod test, in order to solve the above problems, therefore we design a kind of safety tool high pressure test automatic grounding device, the device can automatically charge before and after the test starts, so that the test operation is more convenient and fast. CONTENT OF UTILITY MODEL

[0005] In order to solve the above problems, the utility model provides a kind of safety tool high pressure test automatic grounding device, and the utility model is realized by the following technical schemes.

[0006] A kind of safety tool high pressure test automatic grounding device, including installation base, hollow spindle, winding wheel, drive motor, wire and charging electrode hammer;A pair of bearing seats are fixedly connected on the installation base with interval, the hollow spindle is rotatably connected between the bearing seats, the winding wheel is fixedly connected on the hollow spindle, the right side of the installation base is fixedly connected with reduction gearbox, the output shaft of reduction gearbox is connected with the right end of hollow spindle through shaft coupling, the drive motor is fixedly connected on the front side of reduction gearbox, the output shaft of drive motor is connected with the input shaft of reduction gearbox, the wire is wound on winding wheel, the charging electrode hammer is fixedly connected with the free end of wire.

[0007] Preferably, the left side of the mounting base is provided with a carbon brush slip ring, the carbon brush slip ring comprises an outer stator fixedly connected with the mounting base and an inner rotor rotatably connected in the outer stator, the left end of the hollow main shaft is fixedly connected in the inner rotor, one end of the wire away from the charging electrode hammer penetrates into the hollow main shaft and penetrates out of the left end of the hollow main shaft and is electrically connected with the inner rotor, and the outer stator is electrically connected with an external power supply.

[0008] Preferably, the wire is located in the spiral groove.

[0009] Preferably, the front middle part of the mounting base is fixedly connected with a first mounting frame, a fixed pulley is rotatably connected on the first mounting frame, and the wire is guided through the fixed pulley.

[0010] Preferably, the top rear side of the first mounting frame is fixedly connected with a second mounting frame, a pair of guide wheels are rotatably connected on the second mounting frame, a semicircular groove is formed in the outer ring of the guide wheel, and the wire penetrates through between the guide wheels.

[0011] The driving motor can drive the wire winding wheel to rotate, so that the wire is wound or unwound, thereby adjusting the height of the charging electrode hammer, and in this process, the charging electrode hammer is always electrified due to the existence of the carbon brush slip ring, and when the charging electrode hammer is connected with the charging seat, the electric clamping jaw on the top of the test frame can be powered, the device can automatically charge before and after the test, realizes higher degree of automation of the insulating rod test, and makes the test operation more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0013] Fig. 1 The front view of the automatic grounding device for high-voltage test of safety tool is shown in the utility model.

[0014] Fig. 2 The left view of the automatic grounding device for high-voltage test of safety tool is shown in the utility model.

[0015] Fig. 3 The plan view of the automatic grounding device for high-voltage test of safety tool is shown in the utility model.

[0016] The signs are as follows:

[0017] 1-Mounting base, 2-Hollow spindle, 3-Winding reel, 4-Drive motor, 5-Wire, 6-Charging electrode hammer, 7-Bearing seat, 8-Gearbox, 9-Carbon brush slip ring, 91-Outer stator, 92-Inner rotor, 10-Helical groove, 11-First mounting bracket, 12-Fixed pulley, 13-Second mounting bracket, 14-Guide wheel, 15-Semi-circular groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figs. 1-3 As shown, an automatic grounding device for high-voltage testing of safety tools includes a mounting base 1, a hollow main shaft 2, a winding reel 3, a drive motor 4, a wire 5, and a charging electrode hammer 6. A pair of bearing seats 7 are fixedly connected at intervals on the mounting base 1. The hollow main shaft 2 is rotatably connected between the bearing seats 7. The winding reel 3 is sleeved and fixed on the hollow main shaft 2. A reduction gearbox 8 is fixedly connected to the right side of the mounting base 1. The output shaft of the reduction gearbox 8 is connected to the right end of the hollow main shaft 2 through a coupling. The drive motor 4 is fixedly connected to the front side of the reduction gearbox 8. The output shaft of the drive motor 4 is connected to the input shaft of the reduction gearbox 8. The wire 5 is wound on the winding reel. The charging electrode hammer 6 is fixedly connected to the free end of the wire 5.

[0020] Furthermore, a carbon brush slip ring 9 is provided on the left side of the mounting base 1. The carbon brush slip ring 9 includes an outer stator 91 fixedly connected to the mounting base 1 and an inner rotor 92 rotatably connected in the outer stator 91. The left end of the hollow main shaft 2 is fixedly connected in the inner rotor 92. The end of the wire 5 away from the charging electrode hammer 6 passes into the hollow main shaft 2 and exits from the left end of the hollow main shaft 2, and is electrically connected to the inner rotor 92. The outer stator 91 is electrically connected to an external power source.

[0021] Furthermore, a spiral groove 10 is provided on the winding reel 3, and the wire 5 is located in the spiral groove 10.

[0022] Furthermore, a first mounting bracket 11 is fixedly connected to the middle of the front side of the mounting base 1, and a fixed pulley 12 is rotatably connected to the first mounting bracket 11, through which the wire 5 is guided.

[0023] Furthermore, a second mounting bracket 13 is fixedly connected to the top rear side of the first mounting bracket 11. A pair of guide wheels 14 are rotatably connected to the second mounting bracket 13. A semi-circular groove 15 is opened on the outer ring of the guide wheel 14, and the wire 5 passes through the guide wheel 14.

[0024] The working principle of the utility model is:

[0025] Through the weight of the charging electrode hammer 6, the wire 5 is wound on the winding wheel 3 and located in the spiral groove 10, the wire 5 is arranged through the spiral groove 10, so that the wire 5 is more evenly distributed, avoiding damage caused by mutual extrusion of the wire 5, the free end of the wire 5 passes through between the guide wheels 14 and is lowered by the charging electrode hammer 6 after passing through the fixed pulley 12, so that the position of the charging electrode hammer 6 is aligned with the charging seat.

[0026] The utility model cooperates with the insulating rod test frame, and a charging seat aligned with the charging electrode hammer 6 is arranged at the bottom of the insulating rod test frame.

[0027] Before or after the power frequency withstand voltage test of the insulating rod, the driving motor 4 is driven to rotate the hollow main shaft 2 through the speed reducer 8 and the shaft coupling, so that the winding wheel 3 rotates to wind or unwind the wire 5, in this process, since the inner rotor 92 is always electrically connected with the outer stator 91, the external power supply is sequentially transmitted to the charging electrode hammer 6 through the outer stator 91, the inner rotor 92 and the wire 5.

[0028] When the wire 5 is wound, the charging electrode hammer 6 rises, and vice versa, the wire 5 is unwound, and the charging electrode hammer 6 descends, when the charging electrode hammer 6 is connected with the charging seat, the electric clamping jaw on the top of the insulating rod test frame can be powered.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. An automatic grounding device for high-voltage testing of safety tools, characterized in that, The device includes a mounting base (1), a hollow spindle (2), a winding reel (3), a drive motor (4), a wire (5), and a charging electrode hammer (6). A pair of bearing seats (7) are fixedly connected at intervals on the mounting base (1). The hollow spindle (2) is rotatably connected between the bearing seats (7). The winding reel (3) is sleeved and fixed on the hollow spindle (2). A reduction gearbox (8) is fixedly connected to the right side of the mounting base (1). The output shaft of the reduction gearbox (8) is connected to the right end of the hollow spindle (2) through a coupling. The drive motor (4) is fixedly connected to the front side of the reduction gearbox (8). The output shaft of the drive motor (4) is connected to the input shaft of the reduction gearbox (8). The wire (5) is wound on the winding reel. The charging electrode hammer (6) is fixedly connected to the free end of the wire (5).

2. The automatic grounding device for high-voltage testing of safety tools and equipment according to claim 1, characterized in that, A carbon brush slip ring (9) is provided on the left side of the mounting base (1). The carbon brush slip ring (9) includes an outer stator (91) fixedly connected to the mounting base (1) and an inner rotor (92) rotatably connected in the outer stator (91). The left end of the hollow spindle (2) is fixedly connected in the inner rotor (92). The end of the wire (5) away from the charging electrode hammer (6) is inserted into the hollow spindle (2) and passes out from the left end of the hollow spindle (2), and is electrically connected to the inner rotor (92). The outer stator (91) is electrically connected to an external power source.

3. The automatic grounding device for high-voltage testing of safety tools according to claim 1, characterized in that, The winding reel (3) has a spiral groove (10) and the wire (5) is located in the spiral groove (10).

4. The automatic grounding device for high-voltage testing of safety tools and equipment according to claim 1, characterized in that, The mounting base (1) is fixedly connected to the middle of the front side of the first mounting bracket (1), and a fixed pulley (12) is rotatably connected to the first mounting bracket (11). The wire (5) is guided by the fixed pulley (12).

5. The automatic grounding device for high-voltage testing of safety tools and equipment according to claim 4, characterized in that, A second mounting bracket (13) is fixedly connected to the top rear side of the first mounting bracket (11). A pair of guide wheels (14) are rotatably connected to the second mounting bracket (13). The outer ring of the guide wheel (14) is provided with a semi-circular groove (15). The wire (5) passes through the guide wheel (14).

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