CN218299689U - High-reliability master controller - Google Patents

Abstract

The utility model relates to a high reliable master controller, including lag, operating device, contact system, operating handle, operating device includes bottom plate, supporting seat, backup pad, drive assembly, is formed with the holding chamber that is used for placing drive assembly between bottom plate and the supporting seat, and drive assembly includes locating plate, first drive shaft, first connecting rod, second drive shaft, second connecting rod, sets up the first even board between connecting rod and first connecting rod, even board with second connecting rod linkage complex second, operating handle's one end pass first even board first guiding hole, the second guiding hole of the even board of second in proper order and alternate in the locating hole of locating plate, the bottom plate on be provided with respectively with first drive shaft, two sets of gear subassemblies of second drive shaft matched with. The utility model has the advantages of simple structure, stable performance, reliability, convenient assembly and long service life.

Description

High-reliability master controller

Technical Field

The utility model relates to a master controller, concretely relates to highly reliable master controller.

Background

A master controller (also called a master switch) is mainly used in an electric transmission device and is used for switching contacts on and off in a certain sequence to achieve the purpose of issuing commands or interlocking and converting other control circuits. The magnetic starter is suitable for frequently switching on and switching off a circuit, is often matched with a magnetic starter to carry out remote control on starting, braking, speed regulation and reversing of a wound asynchronous motor, and is widely applied to control systems of dragging motors of various hoisting machinery. The master controller comprises a machine frame, an operating mechanism arranged in the machine frame, a contact system arranged in the machine frame and an operating lever arranged on the operating mechanism, the structural design of the operating mechanism of the existing master controller is unreasonable, the strength of the operating mechanism is poor, the service life of the operating mechanism is short, the operating mechanism cannot be integrated and modularized, and the assembly is complex, so that the master controller has the defects of complex structure, unreliable performance, inconvenient assembly and short service life.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, long service life's master controller.

In order to achieve the above object, the utility model discloses a high reliable master controller, including lag, setting operating device in the lag, set up in the lag and with operating device matched with contact system, set up the operating handle on operating device, operating device include the bottom plate, set up supporting seat on the bottom plate, set up backup pad, transmission assembly in the supporting seat, bottom plate and supporting seat between be formed with the holding chamber that is used for placing transmission assembly, transmission assembly including set up locating plate in the backup pad, rotate the first drive shaft that sets up in the backup pad, the linkage sets up first connecting rod in first drive shaft, rotate the second drive shaft that sets up in the backup pad, the linkage sets up the second connecting rod in second drive shaft, rotate the connecting rod that sets up in the backup pad, set up the first even board between connecting rod and first connecting rod, link the complex second even board with the second connecting rod, operating handle's one end pass first guiding hole of first even board, the second even second guiding hole of board and just alternate in the locating hole of locating plate, the bottom plate on be provided with first two sets of gears, second drive shaft matched with the drive shaft respectively.

The operating mechanism adopts a modular structure design, so that the operating mechanism is convenient to assemble in a modular mode, the assembly efficiency is higher, the transmission assembly is arranged in the accommodating cavity and cannot be influenced by other parts, the transmission reliability of the transmission assembly can be guaranteed, the supporting seat is of an integrally formed structure made of aluminum alloy materials, the overall strength of the operating mechanism can be improved, and the service life is longer. Therefore, the master controller has the advantages of simple structure, stable and reliable performance, convenience in assembly and long service life.

Particularly, the gear assembly comprises ratchet wheels, a lever plate arranged on the bottom plate and rollers arranged on the lever plate and matched with the ratchet wheels, the ratchet wheels of the two sets of gear assemblies are respectively matched with the first driving shaft and the second driving shaft in a linkage mode, one end of each ratchet wheel is provided with a plurality of tooth grooves matched with the rollers, and the rollers are clamped in the tooth grooves and form limiting matching of the rollers and the ratchet wheels. This gear subassembly can realize operating handle's gear and adjust, and first drive shaft, second drive shaft drive the ratchet respectively, and the tooth's socket on the ratchet can roller looks block to can realize this operating handle's gear and adjust, adopt this structural design's gear subassembly, can guarantee operating handle's gear and adjust the reliability.

Particularly, shaft sleeves are arranged in the first guide hole of the first connecting plate and the second guide hole of the second connecting plate in a sliding mode, one end of the operating handle is inserted into the shaft sleeves, and the shaft sleeves move along with the operating handle and can slide in the first guide hole and the second guide hole in a reciprocating mode. The operating handle drives the first connecting plate and the second connecting plate through the shaft sleeve, so that the transmission reliability of the operating handle and the first connecting plate and the second connecting plate can be ensured.

Particularly, the supporting seat is provided with a through hole communicated with the accommodating cavity, a joint bearing is arranged in the through hole, and the control handle is connected to the joint bearing. The supporting seat is connected with the operating handle through the knuckle bearing, the operating handle can flexibly rotate on the supporting seat, the working performance is more reliable, and therefore the service life of the master controller is longer.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is an exploded view of the internal structure of the embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 3, an embodiment of the present invention is a high-reliability master controller, including a protective cover 10, an operating mechanism 20 disposed in the protective cover 10, a contact system 11 disposed in the protective cover 10 and engaged with the operating mechanism 20, and an operating handle 12 disposed on the operating mechanism 20, wherein the operating mechanism 20 includes a bottom plate 21, a supporting seat 22 disposed on the bottom plate 21, a supporting plate 23 disposed in the supporting seat 22, and a transmission assembly 24, a receiving cavity 200 for placing the transmission assembly 24 is formed between the bottom plate 21 and the supporting seat 23, the transmission assembly 24 includes a positioning plate 241 disposed on the supporting plate 23, a first driving shaft 242 rotatably disposed on the supporting plate 23, a first connecting rod 243 rotatably disposed on the first driving shaft 242 in a linkage manner, a second driving shaft 244 rotatably disposed on the supporting plate 23, a second connecting rod 245 cooperatively disposed on the second driving shaft 244, a connecting rod 246 rotatably disposed on the supporting plate 23, a first connecting plate 247 disposed between the connecting rod 246 and the first connecting rod, a second connecting plate 245 cooperatively engaged with the second connecting rod 245, and two sets of guiding plates 2481, 2471 disposed on the bottom plate 242 and engaged with the guiding holes 21, and 2471 of the second connecting plate 250.

As shown in fig. 2 and 3, the shift position assemblies 30 include ratchet wheels 31, lever plates 32 disposed on the bottom plate 21, and rollers 33 disposed on the lever plates 32 and engaged with the ratchet wheels 31, the ratchet wheels 31 of the two shift position assemblies 30 are respectively engaged with the first driving shaft 242 and the second driving shaft 244 in a linkage manner, one end of the ratchet wheels 31 has a plurality of tooth grooves 311 engaged with the rollers 33, and the rollers 33 are engaged in the tooth grooves 311 and form a limit engagement between the rollers 33 and the ratchet wheels 31. This gear subassembly can realize operating handle's gear and adjust, and first drive shaft, second drive shaft drive the ratchet respectively, and the tooth's socket on the ratchet can roller looks block to can realize this operating handle's gear and adjust, adopt this structural design's gear subassembly, can guarantee operating handle's gear and adjust the reliability. The first guide hole 2471 of the first connecting plate 247 and the second guide hole 2481 of the second connecting plate 248 are slidably provided with shaft sleeves 25, one end of the operating handle 12 is inserted into the shaft sleeve 25, and the shaft sleeve 25 moves along with the operating handle 12 and can slide in the first guide hole 2471 and the second guide hole 2481 in a reciprocating manner. The operating handle drives the first connecting plate and the second connecting plate through the shaft sleeve, so that the transmission reliability of the operating handle and the first connecting plate and the second connecting plate can be ensured. The supporting seat 22 is provided with a through hole 221 communicated with the accommodating cavity 200, a joint bearing 26 is arranged in the through hole 221, and the control handle 12 is connected to the joint bearing 26. The supporting seat is connected with the operating handle through the knuckle bearing, the operating handle can flexibly rotate on the supporting seat, the working performance is more reliable, and therefore the service life of the master controller is longer.

This operating device adopts the modular structure design to be convenient for this operating device's modular assembly, assembly efficiency is higher, and drive assembly sets up in the holding intracavity, and drive assembly can not receive the influence of other parts, thereby can guarantee this drive assembly's transmission reliability, and the supporting seat adopts aluminum alloy material integrated into one piece structure, thereby can promote operating device's bulk strength, and life is longer. Therefore, the master controller has the advantages of simple structure, stable and reliable performance, convenience in assembly and long service life.

Claims (4)

1. The utility model provides a high reliable master controller, includes the lag, set up operating device in the lag, set up in the lag and with operating device matched with contact system, set up the operating handle on operating device, its characterized in that: the operating mechanism comprises a bottom plate, a supporting seat arranged on the bottom plate, a supporting plate arranged in the supporting seat and a transmission assembly, wherein a containing cavity used for placing the transmission assembly is formed between the bottom plate and the supporting seat, the transmission assembly comprises a positioning plate arranged on the supporting plate, a first driving shaft arranged on the supporting plate in a rotating mode, a first connecting rod arranged on the first driving shaft in a linkage mode, a second driving shaft arranged on the supporting plate in a rotating mode, a second connecting rod arranged on the second driving shaft in a linkage mode, a connecting rod arranged on the supporting plate in a rotating mode, a first connecting plate arranged between the connecting rod and the first connecting rod, and a second connecting plate in linkage fit with the second connecting rod, one end of an operating handle sequentially penetrates through a first guide hole of the first connecting plate and a second guide hole of the second connecting plate and penetrates through the positioning holes of the positioning plate, and two sets of gear assemblies matched with the first driving shaft and the second driving shaft are arranged on the bottom plate respectively.

2. The highly reliable master controller according to claim 1, wherein: the gear assemblies comprise ratchets, lever plates arranged on the bottom plate and rollers arranged on the lever plates and matched with the ratchets, the ratchets of the two gear assemblies are respectively in linkage fit with the first driving shaft and the second driving shaft, one end of each ratchet is provided with a plurality of tooth grooves matched with the rollers, and the rollers are clamped in the tooth grooves and form limiting fit of the rollers and the ratchets.

3. The highly reliable master controller according to claim 1 or 2, wherein: the first guide hole of the first connecting plate and the second guide hole of the second connecting plate are internally provided with shaft sleeves in a sliding manner, one end of the operating handle is inserted in the shaft sleeves, and the shaft sleeves move along with the operating handle and can slide in the first guide hole and the second guide hole in a reciprocating manner.

4. A highly reliable master controller according to claim 1 or 2, characterized in that: the supporting seat is provided with a through hole communicated with the accommodating cavity, a joint bearing is arranged in the through hole, and the control handle is connected to the joint bearing.

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