CN217322912U

CN217322912U - Main command control device of mining hoist

Info

Publication number: CN217322912U
Application number: CN202221290007.8U
Authority: CN
Inventors: 原桥桥; 宋青东; 李明振; 傅彦春; 石圆圆; 王鹏飞; 王小新
Original assignee: China Mining Huafei Henan Technology Co ltd
Current assignee: China Mining Huafei Henan Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-30
Anticipated expiration: 2032-05-26

Abstract

The utility model belongs to the technical field of elevator control, in particular to a master control device of a mining elevator, which comprises a controller box body, a master control system, a standby control system, a handle motion system, a state switching system and a stroke electric control system, wherein the master control system comprises an encoder and a rotating main shaft coaxially connected with the encoder; the standby control system comprises a potentiometer, and the potentiometer is connected with a driven gear through a gear shaft; the handle motion system comprises a handle rod, a handle sleeve, a positioning ball head, an arc track, a sector gear and a return spring, wherein the handle rod is slidably sleeved in the handle sleeve; the state switching system comprises a switching handle, a linkage fixed gear and a medium gear, the linkage fixed gear and the medium gear are switchably meshed with the driven gear, and the medium gear is meshed with the sector gear; the travel electric control system comprises a switch zero-position plate and a microswitch. The master control device not only has a common encoder control mode, but also can be switched to a standby potentiometer control mode.

Description

Main command control device of mining hoist

Technical Field

The utility model belongs to the technical field of the lifting machine control, concretely relates to mining lifting machine owner makes controlling means.

Background

The master controller is mainly used for frequently operating a plurality of control loops in sequence, and controlling the starting, stopping, speed regulation, forward and reverse rotation control and the like of the motor through the contactor, and is widely applied to control systems of dragging motors of various hoisting machines, for example, the master controller is generally installed on a winch master console of a mining hoist. The main command controller of the hoist generally adopts an encoder to control the hoisting winch, but when an emergency situation occurs, for example, the encoder fails or is damaged, the main command controller may lose the control function on the hoisting winch, and thus, great potential safety hazards exist in the operation of the hoist.

SUMMERY OF THE UTILITY MODEL

In order to the above situation, the utility model provides a mining hoist owner makes controlling means has add the reserve potentiometre emergency control function of main order controller to can realize the switching operation of two kinds of states commonly used and emergency very conveniently, greatly improved the security and the reliability that hoist owner made the order and control.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a master control device of a mining hoist comprises a controller box body, a master control system, a standby control system, a handle motion system and a state switching system, wherein the master control system comprises an encoder, a rotating main shaft and a connecting shaft sleeve; the standby control system comprises a potentiometer, a gear shaft and a driven gear, the potentiometer is fixedly connected with the controller box body, an acting shaft of the potentiometer is coaxially connected with the gear shaft, and the driven gear is fixedly sleeved on the outer side of the gear shaft; the handle motion system comprises a handle rod, a handle sleeve, a telescopic spring, a positioning ball head, an arc track, a sector gear and a return spring, wherein the handle rod is slidably and coaxially sleeved in the handle sleeve, the handle rod slidably and vertically penetrates through the rotating main shaft and the arc track, the positioning ball head is arranged at the lower end of the handle rod, the upper end of the handle rod is connected with the upper end of the handle sleeve through the telescopic spring, the lower end of the handle sleeve is fixedly connected with the rotating main shaft, the arc track is fixedly connected with the controller box body, a positioning groove matched with the positioning ball head is arranged at the lower side of the arc track, the circular center part of the sector gear is fixedly connected with the rotating main shaft, the circular center part of the sector gear is connected with one end of the return spring, and the other end of the return spring is connected with the controller box body; the state switching system includes switching handle, universal driving shaft, linkage fixed gear and medium moving gear, the universal driving shaft outside pass through the controller box body through the slip cap and with controller box body sliding connection, the outer end fixedly connected with switching handle of universal driving shaft, the inner of universal driving shaft is provided with medium moving gear, the universal driving shaft outside between medium moving gear and the slip cap is fixed and is provided with the linkage fixed gear, and linkage fixed gear and medium moving gear can switchingly mesh with driven gear mutually, medium moving gear meshes with sector gear mutually.

Further, the master control device further comprises a stroke electric control system, the stroke electric control system comprises a switch zero plate and a microswitch, the switch zero plate is fixedly sleeved on the outer side of the rotating main shaft, the microswitch is fixedly mounted on the inner side of the controller box body, and a zero notch used for triggering the microswitch is arranged on the switch zero plate. The switch zero-position plate rotates along with the rotating main shaft, and when the switch zero-position plate rotates to a zero-position, the zero-position notch just aligns with the elastic action point of the micro switch.

Further, the intermediate gear is a double-row gear, the number of teeth and the diameter of the double-row gear of the intermediate gear are equal to the diameter of the intermediate gear, and a zero groove convenient for switching between the linkage fixed gear and the intermediate gear is formed in the sector gear. And two positioning grooves are arranged on the linkage shaft, and the sliding sleeve is provided with a spring steel ball.

Furthermore, one end of the return spring is connected with the fan-shaped gear hook through a pin, and the other end of the return spring is connected with the controller box body through an adjustable bolt. Through the length that changes adjusting bolt, can realize the pulling force adjustment to reset spring.

Furthermore, a VGA interface is arranged on the controller box body, the encoder, the potentiometer and the microswitch are all electrically connected with the VGA interface, and the VGA interface is conveniently and quickly connected with a plug-in connection line.

Furthermore, a tower-shaped dustproof sleeve is arranged between the handle sleeve and the controller box body in a matched mode, so that the handle motion system is protected from dust and sundries, and the action flexibility of the handle motion system is guaranteed.

Furthermore, two ends of the rotating main shaft are respectively rotatably connected with the controller box body through a first sliding sleeve and a second sliding sleeve, and one end, far away from the potentiometer, of the gear shaft is rotatably connected with the controller box body through a third sliding sleeve.

Furthermore, location bulb, sliding sleeve one, second sliding sleeve and third sliding sleeve are the brass material, help improving the self-lubricating and the motion portability of glide plane, are favorable to alleviateing part friction loss simultaneously.

The utility model discloses still including other subassemblies that can make its normal use, be the conventional means in this field, in addition, the utility model discloses in add the device or the subassembly of injecing, for example: the elevator main control console, the controller box body, the encoder, the potentiometer, the microswitch and the like all adopt the prior art in the field.

The utility model has the advantages as follows:

the utility model provides a pair of mining elevator owner makes controlling means not only possesses encoder control mode commonly used, has still add reserve potentiometre control mode, can realize the fast switch-over of state commonly used and emergency state control mode moreover very conveniently, can effectively avoid appearing leading to the condition that the lifting machine is out of control because of the encoder trouble, has greatly improved the security and the reliability that elevator owner made control.

Drawings

Fig. 1 is a schematic structural diagram of a master control device in a normal state in the embodiment.

Fig. 2 is a schematic structural diagram of the master control device in an emergency state in the embodiment.

Fig. 3 is a left side view of the structure of fig. 1.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.

It should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations and positional relationships based on drawings, and are used for convenience of description.

Examples

As shown in fig. 1-3, a master control device of a mining elevator comprises a controller box 1, a master control system, a standby control system, a handle motion system and a state switching system, wherein the master control system comprises an encoder 2, a rotating main shaft 3 and a connecting shaft sleeve 4, a shell of the encoder is fixedly connected with the controller box, a working shaft of the encoder is coaxially connected with the rotating main shaft through the connecting shaft sleeve, the encoder adopts an E6B2-CWZ6C 1000P/R type rotating shaft encoder and can convert an angular displacement mechanical quantity of a rotating shaft into a corresponding electric pulse digital quantity signal; the standby control system comprises a potentiometer 5, a gear shaft 6 and a driven gear 7, the potentiometer is fixedly connected with the controller box body, an acting shaft of the potentiometer is coaxially connected with the gear shaft, the driven gear is sleeved on the outer side of the gear shaft in an interference fit manner, the potentiometer adopts a WDD35D4 type potentiometer and can output +/-4V voltage signals; the handle motion system comprises a handle rod 8, a handle sleeve 9, an extension spring 10, a positioning ball 11, an arc track 12, a sector gear 13 and a reset spring 14, wherein the handle rod is slidably and coaxially sleeved in the handle sleeve, slidably and vertically penetrates through a rotating main shaft and the arc track, the positioning ball is arranged at the lower end of the handle rod, the upper end of the handle rod is connected with the upper end of the handle sleeve through the extension spring, the lower end of the handle sleeve is fixedly connected with the rotating main shaft, the arc track is fixedly connected with a controller box body, a positioning groove 15 matched with the positioning ball is arranged at the lower side of the arc track, the circular center part of the sector gear is fixedly connected with the rotating main shaft, the circular center part of the sector gear is connected with one end of the reset spring, and the other end of the reset spring is connected with the controller box body; the state switching system comprises a switching handle 16, a linkage shaft 17, a linkage fixed gear 18 and an intermediate gear 19, the outer side of the linkage shaft penetrates through a controller box body through a sliding sleeve 20 and is in slidable connection with the controller box body, the outer end of the linkage shaft is fixedly connected with the switching handle, the inner end of the linkage shaft is provided with the intermediate gear, the linkage fixed gear is fixedly arranged on the outer side of the linkage shaft between the intermediate gear and the sliding sleeve, the linkage fixed gear and the intermediate gear are in switchable meshing with a driven gear, and the intermediate gear is in meshing with a sector gear.

The master control device further comprises a stroke electric control system, the stroke electric control system comprises a switch zero plate 21 and a microswitch 22, the switch zero plate is fixedly sleeved on the outer side of the rotating main shaft, the microswitch is fixedly mounted on the inner side of the controller box body, and a zero notch 23 used for triggering the microswitch is arranged on the switch zero plate. The microswitch adopts a V-155-1A5 type microswitch, a switch zero position plate rotates along with a rotating main shaft, and when the microswitch rotates to a zero position, a zero position notch is just aligned with an elastic action point of the microswitch, so that the microswitch acts to send a zero position in-place signal to a main control system.

Intermediate moving gear is double gear, and the number of teeth and the diameter of intermediate moving gear's double tooth all equals with intermediate moving gear's diameter, is provided with the zero-bit recess 24 that is convenient for link fixed gear and intermediate moving gear switch on the sector gear, is provided with two positioning groove 25 on the universal driving shaft, is provided with the spring steel ball on the sliding sleeve.

When the common state and the emergency state are switched, the universal driving shaft is only required to be pulled out or pushed in, and the spring steel ball corresponds to one of the two positioning grooves, namely reaches the designated position; when the linkage shaft is switched, the linkage shaft can be better pulled out or pushed in only if the linkage shaft corresponds to the zero-position groove on the sector gear. Pulling out the linkage shaft, wherein the inner row teeth of the intermediate moving gear are meshed with the sector gear, the outer row teeth of the intermediate moving gear are meshed with the driven gear, and the sector gear rotates on the linkage shaft through the intermediate moving gear to realize transmission with the driven gear of the potentiometer shaft, and at the moment, the emergency state is realized; the universal driving device comprises a driving shaft, a driving gear, a driven gear, a motor shaft, a universal driving shaft and a universal driving shaft.

One end of the reset spring is connected with the sector gear in a hooking mode through a pin 26, and the other end of the reset spring is connected with the controller box body through an adjustable bolt 27. Through the length that changes adjusting bolt, can realize the pulling force adjustment to reset spring, because reset spring's pulling force effect, when emergency appears, sector gear can drive the handle bar and reset rapidly to avoid emergency's emergence, improve the operational safety nature.

The controller box body is provided with a VGA interface 28, the encoder, the potentiometer and the microswitch are all electrically connected with the VGA interface, and after the master control device is installed on a master console, all connecting lines can be completed only by inserting one VGA interface, so that the controller box body is very convenient and fast to assemble and disassemble.

And a tower-shaped dustproof sleeve 29 is also arranged between the handle sleeve and the controller box body in a matching manner, so that the handle motion system is protected from dust and sundries while the action flexibility of the handle motion system is not influenced.

Two ends of the rotating main shaft are respectively rotatably connected with the controller box body through a first sliding sleeve 30 and a second sliding sleeve 31, and one end, far away from the potentiometer, of the gear shaft is rotatably connected with the controller box body through a third sliding sleeve 32.

The positioning ball head, the first sliding sleeve, the second sliding sleeve and the third sliding sleeve are all made of brass materials, so that self-lubrication and movement portability of a sliding surface are improved, meanwhile, friction loss of parts is reduced, the service life of the parts is prolonged, and the frequency of abrasion and replacement of the parts is reduced. And the abrasion of the positioning ball head is reduced, the reliable matching of the positioning ball head and the positioning groove is facilitated, the gap shaking amount of the handle rod is reduced, and the zero position accuracy is improved.

The technical solution of the present invention is not limited to the above-mentioned specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. The utility model provides a mining elevator owner makes controlling means, includes controller box body, main control system, reserve control system, its characterized in that: the master control system comprises an encoder, a rotating main shaft and a connecting shaft sleeve, a shell of the encoder is fixedly connected with a controller box body, and a working shaft of the encoder is coaxially connected with the rotating main shaft through the connecting shaft sleeve; the standby control system comprises a potentiometer, a gear shaft and a driven gear, the potentiometer is fixedly connected with the controller box body, an acting shaft of the potentiometer is coaxially connected with the gear shaft, and the driven gear is fixedly sleeved on the outer side of the gear shaft; the handle motion system comprises a handle rod, a handle sleeve, a telescopic spring, a positioning ball head, an arc track, a sector gear and a return spring, wherein the handle rod is slidably and coaxially sleeved in the handle sleeve, the handle rod slidably and vertically penetrates through the rotating main shaft and the arc track, the positioning ball head is arranged at the lower end of the handle rod, the upper end of the handle rod is connected with the upper end of the handle sleeve through the telescopic spring, the lower end of the handle sleeve is fixedly connected with the rotating main shaft, the arc track is fixedly connected with the controller box body, a positioning groove matched with the positioning ball head is arranged at the lower side of the arc track, the circular center part of the sector gear is fixedly connected with the rotating main shaft, the circular center part of the sector gear is connected with one end of the return spring, and the other end of the return spring is connected with the controller box body; the state switching system comprises a switching handle, a linkage shaft, a linkage fixed gear and a medium gear, wherein the outer side of the linkage shaft penetrates through a controller box body through a sliding sleeve and is slidably connected with the controller box body, the outer end of the linkage shaft is fixedly connected with the switching handle, the inner end of the linkage shaft is provided with the medium gear, the linkage fixed gear is fixedly arranged on the outer side of the linkage shaft between the medium gear and the sliding sleeve, the linkage fixed gear and the medium gear are meshed with a driven gear in a switchable manner, and the medium gear is meshed with a sector gear.

2. The master control device of the mining hoist according to claim 1, characterized in that: still include stroke electrical system, stroke electrical system includes switch zero plate and micro-gap switch, and the fixed cover of switch zero plate is established in the rotation main shaft outside, and micro-gap switch fixed mounting is in controller box body inboard, and is provided with the zero-position breach that is used for triggering micro-gap switch on the switch zero plate.

3. The master control device of the mining hoist according to claim 1, characterized in that: intermediate moving gear is double gear, and the number of teeth and the diameter of intermediate moving gear's double row of teeth all equals with the number of teeth and the diameter of intermediate moving gear, be provided with the zero-bit recess that is convenient for link fixed gear and intermediate moving gear switch on the sector gear.

4. The master control device of the mining hoist according to claim 1, characterized in that: one end of the reset spring is connected with the fan-shaped gear hook through a pin, and the other end of the reset spring is connected with the controller box body through an adjustable bolt.

5. The master control device of the mining hoist according to claim 2, characterized in that: the controller box body is provided with a VGA interface, and the encoder, the potentiometer and the microswitch are all electrically connected with the VGA interface.

6. The master control device of the mining hoist according to claim 1, characterized in that: and a tower-shaped dustproof sleeve is also arranged between the handle sleeve and the controller box body in a matching manner.

7. The master control device of the mining hoist according to claim 1, characterized in that: two ends of the rotating main shaft are rotatably connected with the controller box body through a first sliding sleeve and a second sliding sleeve respectively, and one end, far away from the potentiometer, of the gear shaft is rotatably connected with the controller box body through a third sliding sleeve.

8. The master control device of the mining hoist according to claim 7, characterized in that: the positioning ball head, the first sliding sleeve, the second sliding sleeve and the third sliding sleeve are all made of brass.