Manual-automatic running-in device of ring main unit switch operating mechanism

Abstract

The utility model relates to the technical field of ring main unit running-in test equipment, and discloses a manual-automatic running-in device of a ring main unit switch operating mechanism, which comprises a mechanism main body, a gear transmission group, a driving device, an operating handle, a cam, a fixed shaft and a travel switch which are mutually combined for use to play a role, so that a manual-automatic combined running-in mode is realized. A driving device does not need to be in direct butt joint with the operating mechanism, transition is carried out through the gear transmission set, and when different torques of the operating mechanisms of the ring main units of different models are applied, only the gear transmission ratios of the driving output structure, the manual output structure and the transmission gear structure in the gear transmission set need to be changed, and the ring main units of different models can be adapted. The driving equipment does not need to be frequently replaced, and the manual operation can be performed by adopting a manual output structure in case of power failure or failure of the driving equipment without depending on the driving equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to ring main unit grinding test equipment technical field, concretely is a kind of ring main unit switch operating mechanism hand self integrated grinding device. BACKGROUND

[0002] Ring main unit is a group of high-voltage switchgear installed in metal or non-metal insulated cabinet or made into assembled interval type ring network power supply unit electrical equipment, its core part adopts circuit breaker or load switch and fuse combination electric appliance, with simple structure, small size, low price, can improve power supply parameter and performance and power supply safety and other advantages.It is widely used in urban residential area, high-rise building, large public building, factory enterprise and other load center distribution station and box-type substation.Ring main unit mainly includes gas insulation ring main unit and solid insulation ring main unit two categories, wherein gas insulation ring main unit mainly uses SF6 as insulating medium.

[0003] Ring main unit grinding refers to the mutual force and friction under the action of grinding operation after ring main unit parts are assembled into product, realize the best cooperation between parts under its design condition.The concept of grinding is the consensus of main switch manufacturers at home and abroad.Grinding test device can realize routine test, grinding test and life test of ring main unit.

[0004] A kind of ring main unit operating mechanism automatic grinding device is disclosed in Chinese patent with publication number CN218964942U, characterized in that it comprises a cold-rolled steel plate box, an electric operating mechanism grinding module and a manual operating mechanism grinding module;Wherein, the electric operating mechanism grinding module and the manual operating mechanism grinding module are installed inside the cold-rolled steel plate box.The ring main unit operating mechanism automatic grinding device provided by the utility model realizes the integration of automatic grinding and manual grinding, and has a small structure, strong applicability and high cost performance.Because the grinding process is controlled automatically, the use of manpower and material resources is liberated, greatly saving labor costs and improving grinding efficiency.During the grinding process of ring main unit operating mechanism, noise pollution is serious, and during the automatic grinding process of the device, manual monitoring is not required, and the programmable logic controller inside the ring main unit operating mechanism grinding device is automatically controlled, avoiding the harm of noise to human body.

[0005] In summary, the existing ring main unit grinding device has many drawbacks, which are summarized as follows:

[0006] The existing ring main unit switch manual operating mechanism lacks dedicated automatic grinding equipment, and can only complete grinding test through manual operation, with low grinding efficiency and poor control accuracy, which affects product quality detection, making the grinding test very time-consuming and labor-intensive, and the intensity of repetitive labor is too great.

[0007] The automatic running-in device in the prior art can realize running-in work, but still has some defects. The automatic running-in and manual running-in of the automatic running-in device in the prior art are directly connected with the mechanism needing running-in by the motor, and completely depend on the motor. When the motor fails or is powered off, the running-in work cannot be completed. In addition, since the torque required by the operating mechanism of different types of ring network cabinets is different, the running-in is controlled by the motor and the circuit. If the torque of the motor is within the range of the operating mechanism, the motor can be used, but if the torque exceeds the range, the whole motor needs to be replaced, which is a great test for the quality and service life of the motor. Content of the utility model

[0008] In view of the defects of the prior art, the utility model provides a ring network cabinet switch operating mechanism manual-automatic running-in device to solve the above problems.

[0009] To achieve the above purpose, the utility model realizes through the following technical schemes.

[0010] A ring network cabinet switch operating mechanism manual-automatic running-in device, comprising a mechanism main body, a gear transmission group, a driving device, an operating handle, a cam, a fixed shaft and a travel switch, wherein the gear transmission group is arranged in the mechanism main body, the driving device is fixed on the mechanism main body and connected with the gear transmission group, the operating handle is connected with the gear transmission group, the cam is fixed on the operating handle and rotates synchronously with the operating handle, the travel switch is fixed on the mechanism main body and corresponds to both ends of the cam, and the fixed shaft is fixed on the mechanism main body. The manual-automatic running-in form is realized, the driving device is not directly connected with the operating mechanism, but is connected through the gear transmission group, when the torque of the operating mechanism of different types of ring network cabinets is different, only the gear transmission ratio of the driving output structure, the manual output structure and the transmission gear structure in the gear transmission group needs to be replaced, so that the device can be adapted to different types of ring network cabinets without frequent replacement of the driving device. In addition, when the power is off or the driving device fails, the manual output structure can be used for manual operation without relying on the driving device.

[0011] Preferably, the gear transmission group comprises a driving output structure, a manual output structure and a transmission gear structure, and the driving output structure, the manual output structure and the transmission gear structure are rotatably arranged on the mechanism main body.

[0012] Preferably, the driving output structure comprises a driving output shaft and a driving output gear, and the driving output gear is connected with the driving output shaft.

[0013] Preferably, the driving output shaft is provided with a driving output transmission tooth.

[0014] Preferably, the manual output structure is provided with a manual output transmission tooth.

[0015] Preferably, the transmission gear structure comprises a transmission gear body and a transmission main shaft, and the transmission gear body is fixed on the transmission main shaft.

[0016] Preferably, the transmission gear body is in mesh with both the driving output transmission tooth and the manual output transmission tooth.

[0017] Preferably, the transmission main shaft is rotatably arranged on the mechanism body and connected with the operation handle on one side.

[0018] Preferably, the driving device is a motor.

[0019] Preferably, a motor gear is arranged on the output shaft of the driving device and in mesh with the driving output gear.

[0020] Compared with the prior art, the utility model discloses a kind of ring main unit switch operating mechanism hand-automatic integrated running-in device, including mechanism body, gear transmission group, driving device, operation handle, cam, fixed shaft, travel switch, seven mutual combination uses play role, realize the manual automatic combination running-in form, without driving device directly and operating mechanism butt joint, but transition is carried out by gear transmission group, when the different moment of different models of ring main unit's operating mechanism, only need to replace the gear transmission ratio of driving output structure, manual output structure, transmission gear structure in gear transmission group, it can be adapted to different models of ring main unit, without frequently replacing driving device, and when power failure or driving device failure, manual operation can be carried out using manual output structure, without relying on driving device. DRAWINGS

[0021] Figure 1 It is structure schematic view of the utility model ring main unit switch operating mechanism hand-automatic integrated running-in device;

[0022] Figure 2 It is structure schematic view of the utility model ring main unit switch operating mechanism hand-automatic integrated running-in device;

[0023] Figure 3 It is structure schematic view of the utility model gear transmission group and driving device;

[0024] Figure 4 It is structure schematic view of the utility model ring main unit switch operating mechanism hand-automatic integrated running-in device;

[0025] Figure 5 It is structure A place local amplification schematic view of the utility model ring main unit switch operating mechanism hand-automatic integrated running-in device;

[0026] Figure 6 It is structure schematic view of the utility model ring main unit switch operating mechanism hand-automatic integrated running-in device;

[0027] Figure 7 It is the structure B partial enlarged view of the hand-automatic integrated running-in device of the switch operating mechanism of the ring main unit of the utility model;

[0028] Figure 8 It is the schematic view of the hand-automatic integrated running-in device of the switch operating mechanism of the ring main unit of the utility model under the manual mode;

[0029] Figure 9 It is the schematic view of the hand-automatic integrated running-in device of the switch operating mechanism of the ring main unit of the utility model under the manual mode. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] A kind of hand-automatic integrated running-in device of switch operating mechanism of ring network cabinet, including mechanism main body 1, gear transmission group 2, drive equipment 3, operating handle 4, cam 5, fixed shaft 6, travel switch 7, the gear transmission group 2 is arranged in mechanism main body 1 interior, the drive equipment 3 is fixed on mechanism main body 1, and is connected with gear transmission group 2, the operating handle 4 is connected with gear transmission group 2, the cam 5 is fixed on operating handle 4, and rotate synchronously with operating handle 4, the travel switch 7 is fixed on mechanism main body 1, and correspond to the both ends of cam 5, the fixed shaft 6 is fixed on mechanism main body 1, the gear transmission group 2 includes drive output structure 21, manual output structure 22, transmission gear structure 23, the drive output structure 21, manual output structure 22, transmission gear structure 23 three rotatable type are arranged on mechanism main body 1, the drive output structure 21 includes drive output shaft 211, drive output gear 212, the drive output gear 212 is connected with drive output shaft 211, drive output shaft 211 is equipped with drive output transmission teeth 2111.The manual output structure 22 is equipped with manual output transmission teeth 221, the transmission gear structure 23 includes transmission gear main body 231, transmission main shaft 232, the transmission gear main body 231 is fixed on transmission main shaft 232, the transmission gear main body 231 is engaged with drive output transmission teeth 2111, manual output transmission teeth 221 respectively two, the transmission main shaft 232 rotatable type is arranged on mechanism main body 1, and one side is connected operating handle 4, the drive equipment 3 is motor, the output shaft of drive equipment 3 is equipped with motor gear 31, and is engaged with drive output gear 212.

[0032] Mainly divided into two kinds of running-in forms:

[0033] The first is automatic grinding, the fixed shaft 6 is fixed on the opposite side of the mechanism body 1 and connected with the operating mechanism to be ground, the operating handle 4 is also connected with the corresponding position of the operating mechanism, the driving device 3 starts to work, the motor gear 31 drives the driving output gear 212 to rotate, at the same time, the driving output transmission teeth 2111 on the driving output shaft 211 transmits power to the transmission gear body 231, and the transmission main shaft 232 controls the operating handle 4 to perform grinding work, when the cam 5 touches the upper end or the lower end of the travel switch 7, the driving device 3 is automatically controlled to reverse, and the grinding is sequentially and reciprocally circulated.

[0034] Among them, the number of teeth z1 of the motor gear 31 is 8, the number of teeth z2 of the driving output gear 212 matched with the driving output structure 21 is 36, the number of teeth z3 of the driving output transmission teeth 2111 is 8, and the number of teeth z4 of the transmission gear body 231 is 58, and the transmission ratio during transmission is:

[0035]

[0036] According to the above formula, the switch operating mechanism with an output torque of 32 times or less of the driving device 3 can be operated, and the above calculation only represents the automatic grinding process that can be achieved by the device, and does not define all the characteristics of the tooth number as the above parameters, and the above calculation process is only for reference,

[0037] In addition, the automatic linkage control circuit of the travel switch 7 is connected, which is actually a prior art, so no more electrical connection aspects are described, the two travel switches 7 can be divided into travel switch S1 and travel switch S2, and the electrical connection mode can be referred to as follows: working sequence: press the disconnecting button → rotate the operating handle 4 counterclockwise → hit the travel switch S1 → the normally closed point of the travel switch S1 is disconnected → the driving device 3 stops rotating → press the closing button → rotate the operating handle 4 clockwise → hit the travel switch S2 → the normally closed point of the travel switch S2 is disconnected → the driving device 3 stops rotating → continuously cycle in reverse.

[0038] The second is manual grinding, the automatic grinding device still retains the manual operation mode, by rotating the manual output structure 22, the rotation process is smooth due to the manual output structure 22, so that auxiliary devices can be added for operation, such as a manual operating rod (as shown in Figure 8 、 Figure 9 The manual output transmission teeth 221 are engaged with the transmission gear body 231, and the operating handle 4 is driven to perform grinding work, the driving device 3 is powered off during manual grinding and does not do any self-locking or energized work, the fixed shaft 6 is also fixed on the opposite side of the mechanism body 1 and connected with the operating mechanism to be ground, and the operating handle 4 is also connected with the corresponding position of the operating mechanism.

[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0040] It should be noted that the terms "first", "second", and the like, herein do not necessarily have an either chronological or spatial relation. Rather, these terms can be used solely to distinguish a certain specific entity from another entity. It should be understood that the terms so used in the description are interchangeable under appropriate circumstances and embodiments of the application described herein are capable of operating in other sequences than described or illustrated herein.

[0041] The preferred embodiments of the present application have been described above with the aid of drawing figures, and are not limited to those embodiments; instead, they will include any changes that do not constitute departures from the spirit and scope of the present application.

Claims

1. A manual / automatic break-in device for the operating mechanism of a ring main unit switch, characterized in that: The utility model relates to a kind of driving mechanism, including mechanism body (1), gear drive group (2), driving device (3), operating handle (4), cam (5), fixed shaft (6), travel switch (7), the gear drive group (2) is arranged inside mechanism body (1), the driving device (3) is fixed on mechanism body (1), and is connected with gear drive group (2), the operating handle (4) is connected with gear drive group (2), the cam (5) is fixed on operating handle (4), and rotates synchronously with operating handle (4), the travel switch (7) is fixed on mechanism body (1), and it is corresponding cam (5) two ends, the fixed shaft (6) is fixed on mechanism body (1).

2. The hand-automatic grinding device for switch operating mechanism of ring main unit according to claim 1, characterized in that: The gear drive group (2) includes drive output structure (21), manual output structure (22), transmission gear structure (23), the drive output structure (21), manual output structure (22), transmission gear structure (23) three rotatable arrangements are set on mechanism body (1).

3. The ring main unit switch operating mechanism manual-automatic blending device according to claim 2, characterized in that: The drive output structure (21) includes drive output shaft (211), drive output gear (212), the drive output gear (212) is connected with drive output shaft (211).

4. The hand-automatic grinding device for switch operating mechanism of ring main unit according to claim 3, characterized in that: Drive output transmission teeth (2111) are provided on the drive output shaft (211).

5. The ring main unit switch operating mechanism manual-automatic blending device according to claim 4, characterized in that: Manual output transmission teeth (221) are provided on the manual output structure (22).

6. The ring main unit switch operating mechanism manual-automatic blending device according to claim 5, characterized in that: The transmission gear structure (23) includes transmission gear body (231), transmission main shaft (232), the transmission gear body (231) is fixed on transmission main shaft (232).

7. The ring main unit switch operating mechanism manual-automatic blending device according to claim 6, characterized in that: The transmission gear body (231) is engaged with drive output transmission teeth (2111) and manual output transmission teeth (221) respectively.

8. The ring main unit switch operating mechanism manual-automatic blending device according to claim 7, characterized in that: The transmission main shaft (232) is rotatably arranged on mechanism body (1), and one side is connected with operating handle (4).

9. The ring main unit switch operating mechanism manual-automatic blending device according to claim 1, characterized in that: The driving device (3) is motor.

10. The ring main unit switch operating mechanism manual-automatic blending device according to claim 9, characterized in that: Motor gear (31) is provided on the output shaft of the driving device (3), and is engaged with drive output gear (212).

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