A drive switching clutch actuator for power distribution switch cabinet

Abstract

The present invention discloses a drive switching clutch actuator for a power distribution switch cabinet. It comprises a drive motor arranged at one end of a housing, which is meshed and connected with an electric drive transmission part, a drive switching part and an output transmission part arranged in the housing in sequence, the drive motor is connected with the electric drive transmission part in transmission, the switching shaft of the drive switching part is combined with a transmission switching gear through a switching mechanism, a switching fixing mechanism is provided above the switching mechanism, the transmission switching gear is meshed and connected with a drive connection gear on an electric drive transmission shaft of the electric drive transmission part, and the switching connection gear of the switching shaft is meshed and connected with an output gear of the output transmission part. The gain effect of the present invention: the electric drive transmission part and the output transmission part are combined by the drive switching part to integrate electric and manual control, the operation mode can be quickly switched according to different operation and maintenance requirements, the size is small, no cabinet space is occupied, and it can be connected and combined with cabinets of different specifications, and has the advantages of wide application range, long service life, and convenient installation.

Description

Technical Field

[0001] The present invention relates to the technical field of auxiliary equipment for power distribution switch cabinets, and more specifically, to a drive switching clutch actuator for power distribution switch cabinets. Background Art

[0002] The distribution switchgear is a complete set of distribution equipment that assembles primary and secondary components into one. It is mainly used to measure, control, distribute and protect power lines and equipment. It is one of the main equipment in the power system.

[0003] The trolley mechanism, switch mechanism and other rocking in and out mechanisms of the transmission distribution switch cabinet rely on manual operation to complete the rocking in and out action. Manual operation is time-consuming and labor-intensive, resulting in low work and maintenance efficiency, and there are safety risks in manual operation. Some old distribution switch cabinets also have problems with mechanism jamming and difficulty in operation. With the development and promotion of electricity in a safe, efficient, fast and digital way, and the increasing popularity of intelligent equipment in power systems, the electric operation of distribution switch cabinets is gradually replacing traditional manual operation. At present, some distribution switch cabinets are equipped with a set of electric-driven operating mechanisms to replace the transmission handle insertion operation to realize automatic control of the rocking in and out mechanism of the distribution switch cabinet. However, the existing electric-driven auxiliary operating mechanism has the problem that once the electric control fails, its internal transmission mechanism will be locked and cannot be operated through manual access, and it cannot be completely exited or fully entered, which will affect the operation, inspection and maintenance of the equipment, and may even affect the operation of the power system.

[0004] At the same time, due to the differences in the structures of distribution switchgear from different manufacturers, the existing electric drive auxiliary operating mechanisms cannot meet the needs of electrification access and transformation of distribution switchgear of different specifications.

[0005] In view of this, it is necessary to develop a new type of distribution switch cabinet actuator that can adapt to distribution switch cabinets of different structures and can integrate electric drive and manual drive to meet the current demand for electrification transformation of existing distribution switch cabinets. Summary of the invention

[0006] The purpose of the present invention is to solve the above-mentioned shortcomings existing in the existing operation of the distribution switch cabinet, and to provide a drive switching clutch actuator for the distribution switch cabinet which can integrate electric drive and manual operation and has convenient drive mode switching operation and high versatility.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0008] A drive switching clutch actuator for a power distribution switch cabinet comprises a drive motor arranged at one end of a shell, an electric drive transmission part, a drive switching part and an output transmission part arranged in the shell and meshingly connected in sequence, the drive motor is transmission-connected to the electric drive transmission part, the drive gear of the drive motor meshes with the drive driven gear of the electric drive transmission part, the switching shaft of the drive switching part is combined with the transmission switching gear through a switching mechanism, a switching fixing mechanism is provided above the switching mechanism, the switching fixing mechanism is combined with the switching shaft, the switching fixing mechanism is used to limit and fix the switching mechanism in the drive switching part, and the switching shaft realizes electric drive connection and manual drive connection with the electric drive transmission part and the output transmission part through the switching mechanism.

[0009] Furthermore, the transmission switching gear is meshedly connected with the driving connecting gear on the electric drive transmission shaft of the electric drive transmission part, the switching connecting gear of the switching shaft is meshedly connected with the output gear of the output transmission part, and the connecting end of the connecting shaft of the output transmission part extends outward from the combined end surface of the shell, and an octagonal star-shaped connecting through hole is opened inside the connecting shaft, which is used to connect with the driving device and the manual operating mechanism.

[0010] Preferably, the switching mechanism comprises a switching bracket mounted on the switching shaft, a switching groove is formed in an equidistant array in the switching assembly block of the switching bracket, a metal switching column is provided in the switching groove, and the metal switching column can move in the switching groove, a magnet is embedded and installed at the outer edge of the switching bracket at a position corresponding to the switching groove, and the magnet is adsorbed and matched with the metal switching column, and a limiting groove is formed in an equidistant array at a position corresponding to the switching groove on the outer wall of the switching shaft, and a hexagonal plum blossom hole is provided in the transmission switching gear, and the switching assembly block is inserted into the hexagonal plum blossom hole, and the hexagonal plum blossom hole comprises a driving connection convex edge and a driving separation groove, and the metal switching column is respectively matched with the limiting groove, the driving connection convex edge and the driving separation groove. The driving connection convex edge squeezes the metal switching column along the switching groove and snaps into the limiting groove to realize the transmission connection between the electric drive transmission part and the driving switching part and the output transmission part, and the metal switching column is adsorbed and reset by the magnet and slides into the driving separation groove to realize the transmission connection and separation between the electric drive transmission part and the driving switching part.

[0011] Preferably, three switching grooves are arranged in an equidistant array inside the switching assembly block, and three limiting grooves are arranged in an equidistant array on the outer wall of the switching shaft.

[0012] Preferably, the switching fixing mechanism comprises a switching fixing seat installed at the fixing seat assembly end of the switching bracket and a switching fixing retaining spring installed on the switching shaft, the switching fixing retaining spring is arranged above the switching fixing seat, compression springs are arranged in the spring fixing grooves on both sides of the switching fixing seat, balls are installed at the ends of the compression springs, arc grooves are arranged on the outer wall of the fixing seat assembly end, the balls are slidably embedded in the arc grooves, one end of the compression spring is against the spring fixing groove, the other end of the compression spring is against the balls, the compression spring pushes the balls into the arc grooves, so that rotational friction resistance is formed between the switching fixing seat and the switching bracket. The switching shaft is provided with a retaining spring installation groove at the upper end of the switching fixing seat, and the switching fixing retaining spring is installed in the retaining spring installation groove to limit the position of the switching fixing seat. The switching fixing seat is locked on the switching shaft through the retaining spring installation groove.

[0013] Preferably, combined positioning grooves and combined limiting protrusions are provided on both sides of the switching fixed seat, and combined positioning columns and support columns are provided at positions corresponding to the drive switching part in the shell. The combined positioning columns are positioned and matched with the combined positioning grooves, and the support columns support the bottom of the switching fixed seat. The combined limiting protrusions are fitted and limited with the inner wall surface of the shell.

[0014] Preferably, a docking limit bayonet is provided on the connecting end of the connecting shaft, and the docking limit bayonet can be connected with the connected trolley to realize accurate positioning combination.

[0015] Preferably, the connecting end of the connecting shaft is connected and installed with an extended adapter sleeve, the connecting end of the connecting shaft is provided with an extended combination hole, the extended combination hole is aligned with the connecting hole of the extended adapter sleeve, and the extended adapter sleeve is fixedly installed on the connecting end of the connecting shaft after passing through the connecting hole and the extended combination hole through a locking member. By adding an extended adapter sleeve, the connection requirements of power distribution switch cabinets of different specifications can be adapted.

[0016] Preferably, one end of the electric drive transmission shaft, the switching shaft and the connecting shaft is combined with the housing through a rotating bearing, and the other end of the electric drive transmission shaft, the switching shaft and the connecting shaft is combined with the panel of the housing through a rotating sleeve.

[0017] Preferably, a transfer square shaft is inserted and installed in the octagonal star-shaped connecting through hole, and a combined end of the transfer square shaft extends out and is connected to an operating handle.

[0018] Preferably, four corners of the combined end surface of the shell are provided with combined mounting holes.

[0019] Compared with the prior art, the present invention has the following gain effects:

[0020] The present invention can realize rapid automatic control linkage by connecting the driving motor with the electric drive transmission part. The present invention further adopts a driving switching part to combine the electric drive transmission part with the output transmission part, integrating electric and manual control, and can quickly switch the operation mode according to different operation and maintenance requirements, freely switch between electric drive and manual operation, and the switching operation is convenient. It can effectively solve the problem that the electric auxiliary operating mechanism of the power distribution switch cabinet cannot be manually intervened when the electric control system fails. When necessary, manual operation can be completed directly through the intervention handle, thereby improving maintenance efficiency and ensuring the normal operation of the power distribution switch cabinet. The driving switching part of the present invention has a compact structural design, a firm linkage structure, and a large load-bearing torque, and can realize continuous and stable transmission and rapid drive mode switching.

[0021] The octagonal star-shaped connecting through hole design of the connecting shaft of the present invention allows the operator to visually observe whether the connecting shaft and the operating shaft are aligned when the provided drive switching clutch actuator is connected and installed to the operating shaft, thereby maintaining a coaxial connection and reducing wear caused by the misaligned connection of the operating shaft and jamming problems during operation.

[0022] The drive switching clutch actuator provided by the present invention has small size and volume, does not occupy cabinet space, can be connected and combined with cabinets of different specifications, has the advantages of wide application range, good versatility, long service life, easy installation, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0024] Figure 2 It is a schematic diagram of the combined end structure of the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention.

[0025] Figure 3 It is a schematic diagram of the internal structure of the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention.

[0026] Figure 4 It is a schematic diagram of the structural connection of a drive motor, an electric drive transmission part, a drive switching part, and an output transmission part of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0027] Figure 5 The internal structure of the housing of the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention is shown in FIG. Figure 1 .

[0028] Figure 6 The internal structure of the housing of the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention is shown in FIG. Figure 2 .

[0029] Figure 7 It is a structural schematic diagram of a drive switching portion of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0030] Figure 8 It is an exploded schematic diagram of a switching mechanism and a switching fixing mechanism of a drive switching part of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0031] Fig. 9 It is an exploded schematic diagram of a drive switching portion of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0032] Fig.10 The present invention is a schematic diagram of the structure of the switching mechanism of the drive switching clutch actuator for the power distribution switch cabinet.

[0033] Fig.11 It is a schematic diagram of the electric drive connection action of the switching mechanism of the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention.

[0034] Fig.12 It is a schematic diagram of the driving and separating action of the switching mechanism of the driving switching clutch actuator for the power distribution switch cabinet provided by the present invention.

[0035] Fig.13 It is a structural schematic diagram of a switching fixing seat of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0036] Fig.14 It is a schematic diagram of the connection between the drive switching clutch actuator for the power distribution switch cabinet provided by the present invention and the operating handle.

[0037] Fig.15 It is a schematic diagram of a third embodiment of the drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0038] Fig.16 It is a schematic cross-sectional diagram of an extension of a third embodiment of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention.

[0039] The figures are as follows:

[0040] Housing-1, drive motor-2, electric drive transmission part-3, drive switching part-4, output transmission part-5, switching mechanism-6, switching fixing mechanism-7, extended adapter sleeve-8, operating handle-9, combined positioning column-11, rotating bearing-12, rotating sleeve-13, combined mounting hole-14, support column-15, electric drive transmission shaft-31, drive connecting gear-32, switching shaft-41, transmission switching gear-42, switching connecting gear-43, limiting groove-44, inner hexagonal plum blossom hole-45, drive Dynamic connection convex edge -451, drive separation groove -452, retaining spring installation groove -46, connecting shaft -51, octagonal star-shaped connecting through hole -52, output gear -53, docking limit bayonet -54, switching bracket -61, switching groove -62, metal switching column -63, magnet -64, arc groove -65, switching fixing seat -71, switching fixing retaining spring -72, spring fixing groove -73, compression spring -74, ball -75, combined positioning groove -76, combined limit protrusion -77, adapter square shaft -91. DETAILED DESCRIPTION

[0041] The present invention is further described below in conjunction with specific implementation methods. The accompanying drawings are only used for exemplary descriptions and are only schematic diagrams, not actual drawings, and cannot be understood as limiting this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0042] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0043] The present invention is further described below in conjunction with specific embodiments and accompanying drawings:

[0044] like Figures 1 to 16The figure shows a schematic diagram of a drive switching clutch actuator for a power distribution switch cabinet provided by the present invention. Specifically, the present invention is a drive switching clutch actuator for a power distribution switch cabinet, comprising a drive motor 2 arranged at one end of a housing 1, an electric drive transmission part 3, a drive switching part 4 and an output transmission part 5 arranged in the housing 1 in a meshing connection in sequence, the drive motor 2 is in transmission connection with the electric drive transmission part 3, the drive gear of the drive motor 2 is meshed with the driven drive gear of the electric drive transmission part 3, the switching shaft 41 of the drive switching part 4 is combined with the transmission switching gear 42 through a switching mechanism 6, a switching fixing mechanism 7 is provided above the switching mechanism 6, the switching fixing mechanism 7 is combined with the switching shaft 41, the switching fixing mechanism 7 is used to limit and fix the switching mechanism 6 in the drive switching part 4, and the switching shaft 41 realizes the electric drive connection and manual drive connection with the electric drive transmission part 3 and the output transmission part 5 through the switching mechanism 6.

[0045] Furthermore, the transmission switching gear 42 is meshedly connected with the driving connecting gear 32 on the electric drive transmission shaft 31 of the electric drive transmission part 3, the switching connecting gear 43 of the switching shaft 41 is meshedly connected with the output gear 53 of the output transmission part 5, and the connecting end of the connecting shaft 51 of the output transmission part 5 extends outward from the combined end surface of the shell 1, and an octagonal star-shaped connecting through hole 52 is opened inside the connecting shaft 51, and the octagonal star-shaped connecting through hole 52 is used to connect with the driving device and the manual operating mechanism.

[0046] Preferably, the switching mechanism 6 includes a switching bracket 61 installed on the switching shaft 41, and the switching combination block of the switching bracket 61 is provided with switching grooves 62 in an equidistant array, and a metal switching column 63 is provided in the switching groove 62. The metal switching column 63 can move in the switching groove 62, and the outer edge of the switching bracket 61 is located at a position corresponding to the switching groove 62 and embedded with a magnet 64, and the magnet 64 is adsorbed and matched with the metal switching column 63, and the outer wall of the switching shaft 41 is provided with a limit groove 44 in an equidistant array at a position corresponding to the switching groove 62, and a hexagonal plum blossom hole 45 is provided in the transmission switching gear 42, and the switching combination block is inserted into the hexagonal plum blossom hole 45, and the hexagonal plum blossom hole 45 includes a drive connection convex edge 451 and a drive separation groove 452, and the metal switching column 63 respectively cooperates with the limit groove 44, the drive connection convex edge 451 and the drive separation groove 452. The drive connection convex edge 451 squeezes the metal switching column 63 along the switching groove 62 and snaps into the limiting groove 44 to realize the transmission connection between the electric drive transmission part 3 and the drive switching part 4 and the output transmission part 5. The metal switching column 63 is adsorbed and reset by the magnet 64 and slides into the drive separation groove 452 to realize the transmission connection separation between the electric drive transmission part 3 and the drive switching part 4.

[0047] Preferably, three switching grooves 62 are arranged in an equidistant array in the switching assembly block, and three limiting grooves 44 are arranged in an equidistant array on the outer wall of the switching shaft 41 .

[0048] Preferably, the switching fixing mechanism 7 comprises a switching fixing seat 71 installed at the fixing seat assembly end of the switching bracket 61 and a switching fixing snap ring 72 installed on the switching shaft 41, the switching fixing snap ring 72 is arranged on the top of the switching fixing seat 71, compression springs 74 are arranged in the spring fixing grooves 73 on both sides of the switching fixing seat 71, and balls 75 are installed at the ends of the compression springs 74, and the outer wall of the fixing seat assembly end is provided with an arc groove 65, and the balls 75 are slidably embedded in the arc groove 65, one end of the compression spring 74 is against the spring fixing groove 73, and the other end of the compression spring 74 is against the balls 75, and the compression spring 74 pushes the balls 75 into the arc groove 65, so that a rotational friction resistance is formed between the switching fixing seat 71 and the switching bracket 61. The switching shaft 41 is provided with a snap ring installation groove 46 at the upper end of the switching fixing seat 71, and the switching fixing snap ring 72 is installed in the snap ring installation groove 46 to limit the position of the switching fixing seat 71. The switch fixing seat 71 is locked on the switch shaft 41 through the retaining spring installation groove 46 .

[0049] Preferably, combined positioning grooves 76 and combined limiting protrusions 77 are provided on both sides of the switching fixed seat 71, and a combined positioning column 11 and a support column 15 are provided at a position corresponding to the drive switching part 4 in the shell 1, the combined positioning column 11 is positioned and matched with the combined positioning groove 76, the support column 15 supports the bottom of the switching fixed seat 71, and the combined limiting protrusion 77 is in a close-fitting and limiting fit with the inner wall surface of the shell 1.

[0050] Preferably, a docking limit bayonet 54 is provided on the connection end of the connection shaft 51. The docking limit bayonet 54 can be connected with the connected trolley to realize accurate positioning combination.

[0051] Preferably, the connecting end of the connecting shaft 51 is connected and installed with an extended adapter sleeve 8, and an extended combination hole is opened on the connecting end of the connecting shaft 51, and the extended combination hole is aligned with the connecting hole of the extended adapter sleeve 8, and the extended adapter sleeve 8 is fixedly installed on the connecting end of the connecting shaft 51 after passing through the connecting hole and the extended combination hole through a locking member. By adding an extended adapter sleeve 8, the connection requirements of distribution switch cabinets of different specifications can be adapted.

[0052] Preferably, one end of the electric drive transmission shaft 31, the switching shaft 41 and the connecting shaft 51 is combined with the housing 1 through a rotating bearing 12, and the other end of the electric drive transmission shaft 31, the switching shaft 41 and the connecting shaft 51 is combined with the panel of the housing 1 through a rotating sleeve 13.

[0053] Preferably, a transfer square shaft 91 is inserted and installed in the octagonal star-shaped connecting through hole 52 , and a combined end of the transfer square shaft 91 extends out to be connected with an operating handle 9 .

[0054] Preferably, four corners of the combined end surface of the housing 1 are provided with combined mounting holes 14 .

[0055] First embodiment:

[0056] The drive switching clutch actuator for the power distribution switch cabinet of the present invention is installed on the power distribution switch cabinet, the connecting end of the connecting shaft 51 is docked with the operating shaft of the trolley, and the operating shaft is inserted into the octagonal star-shaped connecting through hole 52. When electric drive is performed, the drive motor 2 is started, and the drive gear of the drive motor 2 drives the meshing drive driven gear, so that the drive connection gear 32 on the electric drive transmission shaft 31 rotates synchronously, and the drive connection gear 32 drives the transmission switching gear 42 to rotate. While the transmission switching gear 42 rotates, the drive connection convex edge 451 of the hexagonal plum blossom hole 45 contacts and squeezes the metal switching column 63 to slide along the switching groove 62 until it is inserted into the limit groove 44, so that the transmission switching gear 42 and the switching connection gear 43 are in a synchronous rotation state. When the switching connection gear 43 rotates, the switching connection gear 43 rotates, and the switching connection gear 43 rotates together to drive the meshing output gear 53 to rotate, so that the connecting shaft 51 rotates and drives the operating shaft inserted into the octagonal star-shaped connecting through hole 52 to rotate, and the direction of rotation of the trolley installation is realized to exit or enter the distribution switch cabinet.

[0057] Furthermore, the driving motor 2 is driven forward and reversely as needed. When the driving motor 2 is driven forward and reversely, the transmission switching gear 42 of the driving switching part 4 can make the driving connection convex edge 451 contact with the metal switching column 63 and squeeze the metal switching column 63 to slide along the switching groove 62 until it is inserted into the limit groove 44, thereby realizing electric drive.

[0058] Among them, one end of the compression spring 74 of the switching fixing mechanism 7 is against the spring fixing groove 73, and the other end of the compression spring 74 is against the ball 75. The compression spring 74 pushes the ball 75 into the arc groove 65. The switching fixing mechanism 7 forms a rotational friction resistance between the switching fixing seat 71 and the switching bracket 61 through the extrusion cooperation of the compression spring 74, the ball 75 and the arc groove 65, thereby limiting the rotational freedom between the switching bracket 61 and the switching shaft 41, so that the switching bracket 61 will not slip and rotate on the switching shaft 41 when stationary.

[0059] Second embodiment:

[0060] This embodiment is similar to the first embodiment. In this embodiment, when manual driving operation is required, the driving motor 2 works, and the driving motor 2 rotates in the reverse direction at a preset separation angle, and drives the electric drive transmission shaft 31 of the electric drive transmission part 3 to reverse, and the electric drive transmission shaft 31 drives the meshing transmission switching gear 42 to reverse to the separation angle at which the driving connection convex edge 451 separates from the metal switching column 63. After the driving separation groove 452 leaves a separation movement space for the metal switching column 63, the operator can insert the adapter square shaft 91 into the octagonal star-shaped connecting through hole 52 and install the operating handle 9 on the adapter square shaft 91. By rotating the operating handle 9, the output gear 53 is driven to rotate according to the operating requirements, and the output gear 5 After the rotation, the meshed output gear 53 and the switching shaft 41 are driven to rotate. During the rotation of the switching shaft 41, the metal switching column 63 originally inserted into the limiting groove 44 will move outward along the switching groove 62 under the pushing action of the limiting groove 44. When the metal switching column 63 moves outward along the switching groove 62, the upper magnet 64 will absorb the metal switching column 63 to make the metal switching column 63 slide into the driving separation groove 452 of the inner hexagonal plum blossom hole 45, so as to realize the connection and separation between the transmission switching gear 42 of the driving switching part 4 and the switching shaft 41, so that the switching shaft 41 can rotate freely. At this time, the operator can freely rotate the trolley connected to the connecting shaft 51 manually driven by the operating handle 9 to complete the corresponding in or out action.

[0061] When the driving motor 2 is in a stopped working state or cannot operate normally, and the operator needs to perform manual intervention, he only needs to insert the adapter square shaft 91 into the octagonal star-shaped connecting through hole 52 and install the operating handle 9 on the adapter square shaft 91. The operator rotates the connecting shaft 51 along the driving motor 2, so that the output gear 53 drives the switching shaft 41 and the switching bracket 61 of the switching connecting gear 43 to rotate, and the reverse driving unloading force causes the limit groove 44 of the switching shaft 41 to squeeze out the metal switching column 63, so that the metal switching column 63 moves outward along the switching groove 62 and slides outward due to the adsorption of the magnet 64, and the metal switching column 63 is pushed into the driving separation groove 452 of the inner hexagonal plum blossom hole 45, and the transmission switching gear 42 and the switching shaft 41 are disconnected from the synchronous connection to complete the separation action. After separation, the transmission switching gear 42 and the switching shaft 41 can rotate independently of each other, and the electric drive transmission part 3 and the drive switching part 4 are disengaged from the synchronous rotation connection. At this time, the output transmission part 5 can rotate freely in both directions, and the output transmission part 5 is controlled by the operating handle 9 to rotate the connected operating shaft to realize manual intervention control of the exit or entry of the trolley.

[0062] Among them, when the switching shaft 41 of the drive switching part 4 and the transmission switching gear 42 are separated, the magnet 64 can assist in sucking out the metal switching column 63, and can effectively adsorb and limit the position of the metal switching column 63, thereby avoiding the problem of the metal switching column 63 sliding in the switching groove 62 during subsequent operations, causing the metal switching column 63 to contact and collide with the shaft body of the switching shaft 41 and make abnormal noises.

[0063] Third embodiment:

[0064] This embodiment is similar to the first embodiment and the second embodiment, except that when the drive switching clutch actuator cannot be connected to the operating shaft of the trolley after being installed in the control panel through the combined mounting hole 14, an extended adapter sleeve 8 can be installed on the connecting end of the connecting shaft 51, and the locking piece is passed through the connecting hole to align and lock the extended combined hole, and then the extended adapter sleeve 8 is locked and fixed on the connecting end of the connecting shaft 51. The connecting shaft 51 is connected and combined with the operating shaft of the trolley by using the extended adapter sleeve 8, thereby realizing the electric and manual driving operation of the trolley by the drive switching clutch actuator.

[0065] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A drive switching clutch actuator for a power distribution switch cabinet, characterized in that: The invention comprises a driving motor (2) arranged at one end of a housing (1), an electric driving transmission part (3) arranged in the housing (1) and meshingly connected in sequence, a driving switching part (4) and an output driving part (5), wherein the driving motor (2) is drivingly connected to the electric driving transmission part (3), a switching shaft (41) of the driving switching part (4) is combined with a driving switching gear (42) through a switching mechanism (6), a switching fixing mechanism (7) is provided above the switching mechanism (6), the switching fixing mechanism (7) is combined with the switching shaft (41), the driving switching gear (42) is meshingly connected to a driving connection gear (32) on the electric driving transmission shaft (31) of the electric driving transmission part (3), the switching connection gear (43) of the switching shaft (41) is meshingly connected to an output gear (53) of the output driving part (5), a connecting end of the connecting shaft (51) of the output driving part (5) protrudes from the outside of the combined end surface of the housing (1), and an octagonal star-shaped connecting through hole (52) is provided inside the connecting shaft (51), The switching mechanism (6) comprises a switching bracket (61) mounted on the switching shaft (41); a switching assembly block of the switching bracket (61) is provided with switching grooves (62) in an equidistant array; a metal switching column (63) is provided in the switching groove (62); a magnet (64) is embedded and installed on the outer edge of the switching bracket (61) at a position corresponding to the switching groove (62); the magnet (64) is adsorbed and matched with the metal switching column (63); a limiting groove (44) is provided in an equidistant array at a position corresponding to the switching groove (62) on the outer wall of the switching shaft (41); a hexagonal plum blossom hole (45) is provided in the transmission switching gear (42); the switching assembly block is inserted into the hexagonal plum blossom hole (45); the hexagonal plum blossom hole (45) comprises a drive connection convex edge (451) and a drive separation groove (452); the metal switching column (63) is respectively matched with the limiting groove (44), the drive connection convex edge (451) and the drive separation groove (452); The switching fixing mechanism (7) comprises a switching fixing seat (71) mounted on the fixing seat assembly end of the switching bracket (61) and a switching fixing retaining spring (72) mounted on the switching shaft (41); the switching fixing retaining spring (72) is arranged in a close fit above the switching fixing seat (71); compression springs (74) are arranged in spring fixing grooves (73) on both sides of the switching fixing seat (71); balls (75) are installed at the ends of the compression springs (74); an arc groove (65) is arranged on the outer wall of the fixing seat assembly end; the balls (75) are slidably embedded in the arc groove (65); a retaining spring installation groove (46) is provided at a position of the switching shaft (41) located at the upper end of the switching fixing seat (71); the switching fixing retaining spring (72) is installed in the retaining spring installation groove (46) to limit the position of the switching fixing seat (71); Combined positioning grooves (76) and combined limiting protrusions (77) are provided on both sides of the switching fixed seat (71); a combined positioning column (11) and a support column (15) are provided at a position corresponding to the drive switching portion (4) in the shell (1); the combined positioning column (11) is positioned and matched with the combined positioning grooves (76); the support column (15) supports the bottom of the switching fixed seat (71); and the combined limiting protrusion (77) is fitted and limited with the inner wall surface of the shell (1).

2. The drive switching clutch actuator for a power distribution switch cabinet according to claim 1, characterized in that: The switch assembly block has three switch slots (62) arranged in an equidistant array inside, and the outer wall of the switch shaft (41) has three limit slots (44) arranged in an equidistant array.

3. The drive switching clutch actuator for a power distribution switch cabinet according to claim 1, characterized in that: A docking limit snap-on notch (54) is provided on the connection end of the connection shaft (51).

4. The drive switching clutch actuator for a power distribution switch cabinet according to claim 3, characterized in that: The connecting end of the connecting shaft (51) is connected and mounted with an extended adapter sleeve (8); an extended combination hole is formed on the connecting end of the connecting shaft (51); the extended combination hole is aligned with the connecting hole of the extended adapter sleeve (8); the extended adapter sleeve (8) is fixedly mounted on the connecting end of the connecting shaft (51) after passing through the connecting hole and the extended combination hole via a locking member.

5. The drive switching clutch actuator for a power distribution switch cabinet according to claim 1, characterized in that: One end of the electric drive transmission shaft (31), the switching shaft (41) and the connecting shaft (51) is combined with the housing (1) via a rotating bearing (12), and the other end of the electric drive transmission shaft (31), the switching shaft (41) and the connecting shaft (51) is combined with a panel of the housing (1) via a rotating sleeve (13).

6. The drive switching clutch actuator for a power distribution switch cabinet according to claim 1, characterized in that: A transfer square shaft (91) is inserted and installed in the octagonal star-shaped connecting through hole (52), and a combined end of the transfer square shaft (91) extends out and is connected to an operating handle (9).

7. The drive switching clutch actuator for a power distribution switch cabinet according to claim 1, characterized in that: Combination mounting holes (14) are provided at four corners of the combination end surface of the housing (1).

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