Intermittent action transmission structure of high-voltage switch three-position operating mechanism

Abstract

The utility model discloses an intermittent action transmission structure of a three-station operating mechanism of a high-voltage switch, which comprises a casing, a power transmission part and a power receiving part are arranged on the casing, the power transmission part comprises a drive plate, a locking arc is arranged on the drive plate, and roll shafts are arranged on two sides of the drive plate; the power receiving part comprises a grooved wheel plate, a driving gear is fixedly connected to the grooved wheel plate, two grooves are formed in the side wall of the grooved wheel plate, three locking grooves are formed in the side wall of the grooved wheel plate, openings of the two grooves are distributed among the three locking grooves, and a locking arc is arranged on the drive plate. According to the utility model, the roller shaft on the driving plate and the groove on the grooved wheel plate are designed, so that the driving plate can intermittently drive the grooved wheel plate and the driving gear on the grooved wheel plate to rotate in the rotating process. The intermittent transmission mode realizes the accurate control of the opening and closing actions of the isolating switch and the grounding switch.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of intermittent action transmission structure of high-voltage switch three-station operating mechanism, belong to electric power switch technical field. BACKGROUND

[0002] In the application field of high-voltage switch operating mechanism, the traditional design often relies on continuous power input to realize the grounding, isolation or closing action of switch, and the traditional operating mechanism is prone to action failure when facing external interference or vibration, which affects the safe and stable operation of power system. In order to solve the above problems, an intermittent action transmission structure of high-voltage switch three-station operating mechanism is proposed. SUMMARY

[0003] The utility model aims at providing an intermittent action transmission structure of high-voltage switch three-station operating mechanism to solve the problems raised in the background.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: an intermittent action transmission structure of high-voltage switch three-station operating mechanism, comprising a casing, the casing is provided with:

[0005] A power transmission part, the power transmission part includes a dial, the dial is provided with a locking arc, the two sides of the dial are provided with protruding parts, and two roller shafts are arranged on each protruding part;

[0006] A power receiving part, the power receiving part includes a groove wheel plate, the groove wheel plate is fixedly connected with a driving gear, and two grooves are formed in the side wall of the groove wheel plate; when the dial rotates forward or reversely, the protruding part on the corresponding side carries the roller shaft into the groove on the same side, driving the groove wheel plate to rotate;

[0007] Among them, three locking grooves are formed in the side wall of the groove wheel plate, and the openings of the two grooves are distributed between the three locking grooves; the dial is provided with a locking arc, and the three locking grooves are alternately engaged with the locking arc to maintain the stability of the opening and closing action of the isolation switch and the grounding switch.

[0008] Preferably, the locking arc includes a plurality of rotating wheels, which are uniformly distributed and rotationally connected to the side edge of the dial.

[0009] Preferably, the dial includes two installation discs arranged at intervals, and the plurality of rotating wheels rotate between the two installation discs.

[0010] Preferably, the casing is further provided with a power driving part, the power driving part includes a rotatable worm, the dial is rotationally connected with a worm wheel, the worm wheel is fixedly connected with the dial in a coaxial manner, and the worm is meshingly connected with the worm wheel.

[0011] Preferably, two supporting columns are fixed on the casing, the dial is sleeved with the worm gear on one supporting column, and the groove wheel plate is sleeved with the driving gear on the other supporting column.

[0012] Preferably, the end of each of the two supporting columns is provided with a locking piece, and the locking piece comprises:

[0013] a pressing plate sleeved on the end of the supporting column;

[0014] a plurality of clamping blocks circumferentially distributed on the side wall of the supporting column and used for clamping the pressing plate;

[0015] a first spring arranged between the clamping block and the supporting column and used for elastically pressing the clamping block to slide outward along the radial direction of the supporting column;

[0016] a pressing block slidably connected to the end of the supporting column through a second spring, and a pressing rod arranged on the side wall of the pressing block and used for pressing the clamping block.

[0017] Preferably, a plurality of rolling balls are arranged on the side wall of the pressing plate.

[0018] Preferably, a power output part is connected to the casing, and the power output part comprises an output rod rotatably connected to the casing, a driven gear fixedly sleeved on the output rod and meshingly connected with the driving gear.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] The motor drives the worm to rotate, the meshing connection between the worm and the worm gear not only ensures stable transmission of power, but also effectively locks the worm gear and the connected dial when the worm stops rotating, so that accidental rotation of the worm gear and the connected dial due to external force is prevented, and the stability and safety of the entire operating mechanism are improved. The design of the roller shaft on the dial and the groove on the groove wheel plate enables the dial to intermittently drive the groove wheel plate and the driving gear thereon to rotate during rotation. This intermittent transmission mode realizes accurate control of the opening and closing actions of the disconnecting switch and the grounding switch. Meanwhile, the alternate meshing of the locking groove on the groove wheel plate and the locking arc on the dial further ensures stable maintenance of the switch action between different stations, and prevents action failure caused by vibration or external force interference. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is a structural schematic view of the dial, the groove wheel plate and the worm of the present application;

[0023] Figure 3The structure schematic view of the dial, the grooved wheel plate, the shell and the supporting column of the utility model is shown in the figure.

[0024] Figure 4 The sectional view of the dial, the grooved wheel plate and the supporting column of the utility model is shown in the figure.

[0025] Figure 5 The sectional view of the supporting column and the locking piece of the utility model is shown in the figure.

[0026] In the figure,

[0027] 1, power transmission part, 101, dial, 1011, mounting disc, 102, protruding part, 103, roller shaft, 104, locking arc, 1041, rotating wheel;

[0028] 2, power receiving part, 201, grooved wheel plate, 202, groove, 203, locking groove, 204, driving gear;

[0029] 3, power driving part, 301, worm, 302, worm wheel, 303, motor;

[0030] 4, shell;

[0031] 5, supporting column;

[0032] 6, power output part, 601, output rod, 602, driven gear;

[0033] 7, connecting ring frame;

[0034] 8, locking piece, 801, pressing plate, 802, clamping block, 803, first spring, 804, pressing block, 8041, pressing rod;

[0035] 9, ball bearing;

[0036] 10, connecting rod;

[0037] 11, bearing. DETAILED DESCRIPTION

[0038] The utility model will be explained below with specific embodiment, but is not the limitation of the utility model.

[0039] Example one

[0040] As Figures 1-5As shown, in this embodiment, the intermittent action transmission structure of the three-position operating mechanism of the high-voltage switch is provided, which comprises a shell 4, the shell 4 is provided with a power transmission part 1 and a power receiving part 2, the power transmission part 1 comprises a dial 101, the dial 101 is provided with a locking arc 104, the two sides of the dial 101 are provided with protruding parts 102, and two roller shafts 103 are arranged on each protruding part 102; the power receiving part 2 comprises a groove wheel plate 201, the groove wheel plate 201 is fixedly connected with a driving gear 204, and two grooves 202 are formed in the side wall of the groove wheel plate 201; when the dial 101 rotates forward or reversely, the protruding part 102 on the corresponding side carries the roller shaft 103 to rotate into the groove 202 on the same side, so as to drive the groove wheel plate 201 to rotate.

[0041] Among them, three locking grooves 203 are formed in the side wall of the groove wheel plate 201, the openings of the two grooves 202 are distributed between the three locking grooves 203, the dial 101 is provided with a locking arc, and the three locking grooves 203 are alternately engaged with the locking arc to maintain the stability of the opening and closing actions of the isolation switch and the grounding switch.

[0042] The locking arc 104 comprises a plurality of rotating wheels 1041, the rotating wheels 1041 are uniformly distributed and rotationally connected to the side edge positions of the dial 101.

[0043] The dial 101 comprises two installation discs 1011 arranged at intervals, and the rotating wheels 1041 rotate between the two installation discs 1011.

[0044] The shell 4 is further provided with a power driving part 3, the power driving part 3 comprises a rotatable worm 301, and the worm 301 is connected with the dial 101 through a transmission mechanism. Figures 1-3 As shown, the shell 4 is provided with two connecting ring frames 7, the worm 301 is sleeved with two bearings 11, and the two bearings 11 are installed on the two connecting ring frames 7, so as to realize the installation of the worm 301 on the shell 4. The worm 301 is driven to rotate by a motor 303, the motor 303 is fixedly installed on the side wall of the shell 4, the output end of the motor 303 is connected with one end of the worm 301 through a shaft coupling, when the motor 303 starts, the output end of the motor 303 will rotate with the worm 301, the dial 101 is rotationally connected with a worm wheel 302, the worm wheel 302 is fixedly connected with the dial 101 in the form of a common axis, the worm 301 is in meshing connection with the worm wheel 302, and the worm 301 cooperates with the worm wheel 302. When the worm 301 stops rotating, the worm wheel 302 can also be self-locked, so as to improve the stability.

[0045] The shell 4 is connected with a power output part 6, the power output part 6 comprises an output rod 601, the output rod 601 is rotationally connected with the shell 4, a driven gear 602 is fixedly sleeved on the output rod 601, the driven gear 602 is in meshing connection with the driving gear 204, and the lower end of the output rod 601 is provided with a spline or a shaft coupling, so as to facilitate the output of the power of the output rod 601.

[0046] The motor 303 provides energy to drive the worm gear 301 to rotate via the coupling. The worm gear 301 drives the worm wheel 302 to rotate. Since the worm wheel 302 and the dial 101 are a fixed integrated structure, the dial 101 and the worm wheel 302 rotate together. When the roller 103 of the dial 101 is inserted into the groove 202 on the same side, it drives the drive gear 204 integrated with the grooved wheel plate 201 to rotate together. After the drive gear 204 rotates, it also drives the driven gear 602 and the output rod 601 to rotate. When the roller 103 on the dial 101 leaves the groove 202 of the grooved wheel plate 201, the driven gear 602 and the output rod 601 stop rotating. At the same time, the locking arc 104 of the grooved wheel plate 201 and the locking groove 203 of the dial 101 are engaged and held together, completing one action.

[0047] Example 2

[0048] like Figures 1-5 As shown, based on Embodiment 1, in this embodiment, two support columns 5 are fixed on the housing 4, the dial 101 and the worm gear 302 are rotatably sleeved on one support column 5, and the grooved wheel plate 201 and the drive gear 204 are rotatably sleeved on the other support column 5.

[0049] Both ends of the two support columns 5 are provided with locking fasteners 8, each fastener 8 including a pressure plate 801, which is sleeved on the end of the support column 5. Multiple balls 9 are provided on the side wall of the pressure plate 801. Multiple locking blocks 802 are circumferentially distributed on the side wall of the support column 5 for engaging the pressure plate 801. A first spring 803 is provided between the locking blocks 802 and the support column 5 to spring the locking blocks 802 and make them slide outward radially along the support column 5. A pressing block 804 is slidably connected to the end of the support column 5 via a second spring 805. Figure 5 As shown, a connecting rod 10 is provided on the support column 5. The connecting rod 10 is inserted into the pressing block 804, and one end of it is fixed to the support column 5. Through the connection of the connecting rod 10, the pressing block 804 is connected to the support column 5. A pressure rod 8041 for pressing the locking block 802 is provided on the side wall of the pressing block 804.

[0050] Taking the process of installing the dial 101 and worm gear 302 onto the support column 5 as an example:

[0051] The dial 101 and the worm wheel 302 are sleeved on the support column 5, then the pressing plate 801 is sleeved on the end of the support column 5, then the pressing plate 801 is pressed, the pressing plate 801 slides on the support column 5 towards the dial 101, in the sliding process, the pressing plate 801 can press the clamping block 802 into the support column 5, when the pressing plate 801 is pressed in place, the pressing plate 801 abuts against the side wall of the dial 101, at the same time, the first spring 803 is pressed to reset the clamping block 802, the clamping block 802 is clamped on the side wall of the dial 101, so that the dial 101 and the worm wheel 302 can be quickly installed on the support column 5.

[0052] When the dial 101 and the worm wheel 302 need to be removed, the pressing block 804 is pressed, the pressing rod 8041 presses the clamping block 802 into the inside of the support column 5, so that the clamping block 802 eliminates the clamping of the pressing plate 801, at this time, the pressing plate 801 can be taken off from the support column 5, then the dial 101 and the worm wheel 302 can be quickly taken off from the support column 5.

[0053] The process of installing the grooved wheel plate 201 and the driving gear 204 to the support column 5 is the same as the process of installing the dial 101 and the worm wheel 302 to the support column 5.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate and not to limit the technical solutions of the present application, although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present application can still be modified or replaced, without departing from the spirit and scope of the present application, any modification or partial replacement should be covered in the scope of the claims of the present application.

Claims

1. A high-voltage switch three-position operating mechanism intermittent action transmission structure, characterized in that, Including the shell (4), be provided with on the shell (4): Power transmission part (1), power transmission part (1) includes dial (101), be provided with locking arc (104) on the dial (101), both sides of the dial (101) are provided with convex part (102), each convex part (102) is provided with two roller shafts (103); Power receiving part (2), power receiving part (2) includes groove wheel plate (201), the driving gear (204) is fixedly connected on the groove wheel plate (201), two grooves (202) are opened on the side wall of the groove wheel plate (201), when the dial (101) is forward or reverse rotation, the convex part (102) of the corresponding side is taken with the roller shaft (103) and turns into the same side groove (202), drives the groove wheel plate (201) to rotate; Wherein, the side wall of the groove wheel plate (201) is opened with three locking grooves (203), the opening of two grooves (202) is distributed between three locking grooves (203), the dial (101) is provided with locking arc (104), three locking grooves (203) are engaged with locking arc (104) alternately to maintain the stability of the isolation switch, the grounding switch opening and closing action.

2. The intermittent motion drive structure of a high-voltage switch three-position operating mechanism according to claim 1, characterized in that, The locking arc (104) includes a plurality of rotating wheels (1041), which are uniformly distributed and rotatably connected to the side edge of the dial (101).

3. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 2, characterized in that, The dial (101) includes two spaced apart mounting discs (1011), and the plurality of rotating wheels (1041) are rotatably arranged between the two mounting discs (1011).

4. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 1, characterized in that, The shell (4) is further provided with a power driving part (3), the power driving part (3) includes a rotatable worm (301), the dial (101) is rotatably connected with a worm wheel (302), the worm wheel (302) is fixedly connected with the dial (101) in a coaxial manner, and the worm (301) is rotatably connected with the worm wheel (302).

5. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 4, characterized in that, The shell (4) is fixedly connected with two support columns (5), the dial (101) and the worm wheel (302) are rotatably connected with one of the support columns (5), and the groove wheel plate (201) and the driving gear (204) are rotatably connected with the other support column (5).

6. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 5, characterized in that, The ends of the two support columns (5) are provided with locking members (8), the locking members (8) include: A pressing plate (801) is rotatably connected with the end of the support column (5); A plurality of clamping blocks (802) are circumferentially arranged on the side wall of the support column (5) and used for clamping the pressing plate (801); A first spring (803) is arranged between the clamping block (802) and the support column (5) and used for elastically pressing the clamping block (802) to slide outward along the radial direction of the support column (5); A pressing block (804) is slidably connected to the end of the support column (5) by a second spring (805), and a pressing rod (8041) for pressing the clamping block (802) is arranged on the side wall of the pressing block (804).

7. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 6, characterized in that, A plurality of balls (9) are arranged on the side wall of the pressing plate (801).

8. The intermittent motion drive structure of a high voltage switch three-position operating mechanism according to claim 1, characterized in that, The power output part (6) is connected to the casing (4), and comprises an output rod (601) which is rotationally connected to the casing (4), and a driven gear (602) which is fixedly sleeved on the output rod (601) and is in meshing connection with the driving gear (204).

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