CN-224217902-U - Switch cabinet grounding interlocking structure

Abstract

The utility model belongs to the technical field of switch cabinets, in particular to a switch cabinet grounding interlocking structure, which comprises side plates, a handcart guide rail, a grounding operation shaft and a handcart interlocking shaft, wherein the handcart interlocking shaft is provided with a limiting rod and a limiting block, the operation end of the grounding operation shaft is slidably provided with a baffle plate, the baffle plate is linked with the handcart interlocking shaft through a linkage small crank arm, the handcart interlocking shaft is rotationally connected with the linkage small crank arm through a connecting rod, the baffle plate moves up and down to drive the handcart interlocking shaft to rotate, the limiting rod and the limiting block extend or retract, so that the handcart is locked or unlocked, equidistant assembly holes are arranged at two ends of the linkage small crank arm, the length of a force arm can be switched and adjusted through the hole position, and different specifications of trolleys are adapted.

Inventors

• HUANG ZHENHUA
• YE DU

Assignees

• 浙江六方柜架有限公司

Dates

Publication Date

20260508

Application Date

20250530

Claims (3)

1. 1. The switch cabinet grounding interlocking structure comprises a handcart guide rail (2) arranged on one side of a side plate (1), wherein a grounding operation shaft (3) is assembled on the side plate (1), the switch cabinet grounding interlocking structure is characterized in that one side of the handcart guide rail (2) is provided with a handcart interlocking shaft (4), the handcart interlocking shaft (4) is provided with a limiting rod (5) and a limiting block (6) which can penetrate through the handcart guide rail (2) to limit a handcart, the operation end of the grounding operation shaft (3) is slidably provided with a baffle plate (7), an operation plate (8) penetrating through the side plate (1) is arranged on the baffle plate (7), the baffle plate (7) is in linkage with the handcart interlocking shaft (4) through a linkage small crank arm (9), one end of the handcart interlocking shaft (4) is provided with a connecting rod (10), the other end of the connecting rod (10) is in rotary connection with one end of the linkage small crank arm (9), and the baffle plate (7) can drive the handcart interlocking shaft (4) to rotate up and down, so that the limiting rod (5) and the limiting block (6) penetrate through the guide rail (2) or the handcart can be unlocked and locked.
2. 2. The grounding interlocking structure of the switch cabinet according to claim 1 is characterized in that a plurality of equidistant assembly holes (11) for assembling and hinging with the connecting rod (10) and the baffle (7) are formed in the small linkage crank arm (9) and at the assembly ends of the connecting rod (10) and the baffle (7) respectively.
3. 3. The grounding interlocking structure of the switch cabinet is characterized in that a tension spring (12) for pulling the linkage small crank arm (9) to rotate and reset is arranged between the side plate (1) and the linkage small crank arm (9), so that the baffle plate (7) is reset to play a role in blocking an operation end of the grounding operation shaft (3).

Description

Switch cabinet grounding interlocking structure Technical Field The utility model belongs to the technical field of switch cabinets, and particularly relates to a switch cabinet grounding interlocking structure. Background The switch cabinet is widely applied equipment in a power system, the circuit breaker handcart and the grounding switch are arranged in the switch cabinet together, the grounding switch is a protection device which allows closing when power failure overhauls, the circuit breaker is equipment for switching on and off a main circuit in order to meet power consumption requirements, and the grounding switch only allows operation after the circuit breaker is switched off due to different functional requirements, so that misoperation possibly caused by the circuit breaker and the grounding switch is prevented, and an interlocking mechanism of the circuit breaker and the grounding switch is generated. One chinese patent with publication number CN215897140U discloses a miniaturized switch cabinet grounding switch and handcart interlocking mechanism, mainly solves the problem that the existing grounding switch and handcart interlocking mechanism can not be applied to the miniaturized switch cabinet, converts the power of opening and closing the grounding switch into the movement force of the interlocking limit baffle and limit plate stop block through a grounding switch transmission assembly, a welding rotating rod, an interlocking transmission device, and blocks the handcart limit plate and the handcart interlocking limit plate when the grounding switch stretches out, so that the handcart can not be driven, and the handcart limit plate and the handcart interlocking limit plate are in free unrestricted state when the handcart is retracted, so that the interlocking of the grounding switch and the handcart in the miniaturized switch cabinet is realized, and the use safety of the miniaturized switch cabinet is well ensured. The grounding interlocking structure adopts a multi-connecting rod transmission structure to realize linkage control of the baffle and the handcart interlocking shaft, the structure is complex, raw material purchasing cost is increased, installation and debugging are complicated, labor and equipment use cost is high, a plurality of kinematic pairs of the complex transmission structure are easy to wear, operation and maintenance cost is high, reliability is low, enterprise inventory management and supply chain cost is obviously increased, and the grounding interlocking structure of the miniature switch cabinet and the handcart interlocking mechanism do not effectively solve the problems, so the grounding interlocking structure of the switch cabinet is provided for solving the problems. Disclosure of utility model In order to make up the defects of the conventional grounding switch of the miniature switch cabinet and the handcart interlocking mechanism, the grounding interlocking structure of the switch cabinet is provided. The technical scheme includes that the switch cabinet grounding interlocking structure comprises a handcart guide rail arranged on one side of a side plate, a grounding operation shaft is assembled on the side plate, a handcart interlocking shaft is assembled on one side of the handcart guide rail, a limiting rod and a limiting block capable of limiting a handcart through the handcart guide rail are arranged on the handcart interlocking shaft, a baffle plate is slidably assembled at an operation end of the grounding operation shaft, an operation plate penetrating through the side plate is arranged on the baffle plate, the baffle plate is in linkage with the handcart interlocking shaft through a linkage small crank arm, one end of the handcart interlocking shaft is provided with a connecting rod, the other end of the connecting rod is in rotary connection with one end of the linkage small crank arm, the other end of the linkage small crank arm is in rotary connection with one side of the baffle plate, and the baffle plate can drive the handcart interlocking shaft to rotate up and down so that the limiting rod and the limiting block penetrate through or retract into the handcart guide rail to achieve the function of locking and unlocking the handcart to move. Preferably, the assembly ends of the linkage small crank arm, which are respectively connected with the connecting rod and the baffle plate, are provided with a plurality of equidistant assembly holes for assembling and hinging the connecting rod and the baffle plate. Preferably, a tension spring for pulling the linkage small crank arm to rotate and reset is arranged between the side plate and the linkage small crank arm, so that the baffle is reset to play a role in plugging the operation end of the grounding operation shaft. The utility model has the beneficial effects that: The utility model provides a grounding interlocking structure of a switch cabinet, which realizes the linkage of a baffle and a handcar