CN2413272Y

CN2413272Y - Coal bunker level display control device

Info

Publication number: CN2413272Y
Application number: CN 00213502
Authority: CN
Inventors: 徐振华; 陈新华; 崔照明; 张�浩
Original assignee: 徐振华
Priority date: 2000-02-17
Filing date: 2000-02-17
Publication date: 2001-01-03
Anticipated expiration: 2010-02-17

Abstract

The utility model discloses a coal level display control device for a coal bunker. The utility model is composed of a supporting plate, a probe rod, a linking rod, a base, a stressed plate, an explosion suppression control box, a time-delay relay, and a signal indicator light. The structure is characterized in that when the coal in the coal bunker reach the preset coal level, the coal can extrude and press the stressed plate so as to make the probe rod draw the linking rod to rotate at one angle; the normally open contact in the explosion suppression control box is stressed to be closed so as to switch on the power supply of the relay; simultaneously the power supply of the signal indicator light indicating the full bunker can be switched on; the condition of the full bunker can be displayed; when the preset time is reached, the power supply of a conveying machine can be switched off and the zero load is stopped; at last, the utility model can complete the positioning and displaying control of the coal level displaying device. The utility model has the advantages of simple structure, reliable work, and convenient maintenance and use.

Description

A kind of coal position display control device

The utility model belongs to mining electrical equipment, particularly be colliery rubber conveyer coal position display control device with coal bunker.

Known coal sensing equipment plays a coal potential electrode; when expiring or carry head coal piling to occur, works in coal bunker the function of reporting to the police or shutting down; can't guarantee that the coal on the adhesive tape all is transported into coal bunker; the rubber conveyer on-load certainly will occur shuts down; bring difficulty for the running of startup once more of rubber conveyer; sometimes the starting under load rubber conveyer can cause overload to burn the accident of motor, makes to produce to pause, and produces to the colliery and brings serious economy loss.I for example in 97 years of ore deposit; exploiting field belt conveyer with wire core is forced to be with coal to shut down because of the coal bunker coal piling of buying securities with all one's capital; when restarting; owing to start frequent; cause a 110KW motor to burn, surplus the direct economic loss 10,000 yuan, and an order of classes or grades at school is produced in influence; surplus the ton surplus few producing coal 2000, indirect economic loss 40 ten thousand yuan.Since 97 years, so my ore deposit of class reason burnt 5 of big small size motors, caused comparatively serious economy loss.In addition, this type of coal sensing equipment failure rate height, accuracy rate is low, is difficult to adapt to the needs of modern production.

The purpose of this utility model provides a kind of novel coal position display control device, it can realize coal bin coal position is positioned monitoring, when reaching the display alarm of buying securities with all one's capital when setting the coal position, and time-delay stops rubber conveyer, coal on the rubber conveyer is all transported people's coal bunker, and the coal piling accident of buying securities with all one's capital can not occur.

The purpose of this utility model is achieved in that a kind of coal position display control device is made up of back up pad, feeler lever, gangbar, base, stressed plate, flame proof control box, timing relay and signal lamp.When the coal in the coal bunker reaches the coal position of setting, coal contact stressed plate, and, feeler lever being tilted along with the extruding force of the increase stressed plate of coal amount is increasing, feeler lever pulling gangbar is rotated an angle, gangbar drives cam and the spring action in the flame proof control box, the stressed closure of its normally opened contact J, the power supply of on-delay relay SJ, timing relay SJ is charged to pick up counting, connect the power supply of the signal lamp XD that buys securities with all one's capital simultaneously, signal lamp XD is bright.Timing relay SJ reaches setting-up time, charged adhesive, and its normally closed contact SJ1 disconnects the control power supply that cuts off conveyor, and conveyor is shut down, and has realized unloaded shutdown of time-delay of conveyor, has finished the locating and displaying control of coal position display control device.

The utility model has been guaranteed consistance and the reliability and the sensitivity of action owing to adopt the synchronous rotation of feeler lever and gangbar; The length of feeler lever can be selected highly versatile according to the actual conditions of coal bunker and the needs of rubber conveyer transportation simultaneously; In addition because timing relay SJ is set, realized that the rubber conveyer time-delay stops and the coal on the adhesive tape can all be transported people's coal bunker.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Accompanying drawing 1 is that synoptic diagram is looked on the left side of coal position display control device;

Accompanying drawing 2 is flame proof control box cross-sectional schematic of coal position display control device;

Accompanying drawing 3 is movement structure synoptic diagram of coal position display control device;

Accompanying drawing 4 is electrical control figure of coal position display control device.

Be illustrated as follows:

1 is back up pad, and 2 is bearing, and 3 is feeler lever, and 4 for adjusting the hole, 5 is connecting pin, and 6 is gangbar, and 7 is the flame proof control box, 8 is base, and 9 is stressed plate, and 10 is back shaft, 11 is back up pad, and 12 is cam, and 13 is normally opened contact J, 14 is spring, and 15 is screw, and 16 is screw, 17 is signal lamp XD, and 18 is timing relay SJ, and 19 is normally opened contact SJ1.

Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete device that the utility model proposes.

Accompanying drawing 1 is a left view, can be clear that back up pad (1) and (11) are by screw (15) or be weldingly fixed on the left end of base (8), the upper end of back up pad (1) and (11) is provided with bearing (2), and be fixed with back shaft (10), back shaft (10) is positioned feeler lever (3) between back up pad (1) and (11), the upper end of feeler lever (3) is provided with connecting pin (5), and stressed plate (9) is by screw or be weldingly fixed on the end of feeler lever (3).

Accompanying drawing 2 is the cut-open view of flame proof control box (7), can see that cam (12) is fixed in the inside of flame proof control box (7), one end of cam (12) is connected with spring (14), the other end of spring (14) is fixed on the lower end of flame proof control box (7), and the upper end of normally opened contact J (13) contacts with cam (12).

Accompanying drawing 3 is for removing the movement structure synoptic diagram after the back up pad (11).Can see the back up pad (1) with back up pad (11) symmetry, back up pad (1) is by screw (15) or be weldingly fixed on the left end of base (8), and the upper end of back up pad (1) is provided with bearing (2).

The upper end of feeler lever (3) has an end of adjusting hole (4) by connecting pin (5) and gangbar (6) and links together, the interior cam (12) of the other end of gangbar (6) and flame proof control box (7) be fixed together (can't see among the figure).Flame proof control box (7) is fixed on the right-hand member of base (8) by screw (16), and there is stressed plate (9) lower end of feeler lever (3).Under the normal condition, feeler lever (3) is in vertical position, when coal extruding stressed plate (9), feeler lever (3) is that the fulcrum lower end moves right with back shaft (10), and drive gangbar (6) is rotated, gangbar (6) is rotated and is made cam (12) extruding normally opened contact J (13), makes the stressed closure of normally opened contact J (13).

Accompanying drawing 4 is electrical control figure; normally opened contact J (13) is in off-state under the normal condition; when arrive in the coal position; the stressed closure of normally opened contact J (13); the power supply of connection signal pilot lamp XD (17); signal lamp XD (17) is bright; while on-delay relay SJ (18) power supply; timing relay SJ (18) begins charged timing, reaches setting-up time, and timing relay SJ (18) is charged; its normally closed contact SJ1 (19) is disconnected by electricity; cut off the rubber conveyer control loop, stop the rubber conveyer running, finished the coal bin coal position fixed point and shown the function that control is shut down.

Claims

1, a kind of coal position display control device is made up of back up pad, feeler lever, gangbar, base, stressed plate, flame proof control box, it is characterized in that:

1., symmetrical two back up pads (1) and (11) both sides of being fixed in base (8) left end by screw (15), the upper end symmetry of two back up pads (1) and (11) be fixed with bearing (2), back shaft (10) passes bearing (2) feeler lever (3) is positioned between back up pad (1) and (11);

2., feeler lever (3) is a Metallic rod, the upper end of feeler lever (3) is linked together by the adjustment hole (4) of attachment pegs (5) with gangbar (6), stressed plate (9) is weldingly fixed on the end of feeler lever (3);

3., flame proof control box (7) is fixed on the right-hand member of base (8) by screw (16), cam (12) is arranged in the flame proof control box (7), one end of cam (12) links to each other with the upper end of spring (14), the lower end of spring (14) is fixed on the inwall of flame proof control box (7), cam (12) other end contacts with the upper end of normally opened contact J (13), the turning axle of cam (12) then links together with gangbar (6), cam (12) gangbar (6) and feeler lever (3) synchronization action.

2, coal according to claim 1 position display control device is characterized in that back up pad (1) and (11) are the left ends that is welded on base (8).

3, coal according to claim 1 position display control device is characterized in that stressed plate (9) is the end that is fixed on feeler lever (3) by screw.