CN2635639Y - Vertical lifting automatic turning over unloading machine for mine - Google Patents

Abstract

The utility model relates to a vertical-lifting automatic tumbling unloader used in mines, consisting of a lifting frame (17), a lifting cage (16), a lifting winch, an electronic control system, an unloading mechanism, a flywheel house (1) installed on the top of the lifting frame (17), a guiding flywheel (2) and a balance hammer (3). The utility model designs the tumbler (13), the cage (16), etc as a whole to achieve the vertical lifting. When arriving the top unloading position of the sieving house (9), the unloading wheel (12) moves in a curve to make the tumbler (13) tumble and unload, while the automatic reversing mechanism make the tumbler (13) tumble for 180 degrees to unload completely. The utility model has advantages of small space occupation, rapid lifting, few intermediate steps and investment saving.

Description

The mining vertical-lifting unloading machine that rolls automatically

One, technical field

The utility model is a kind of lifting unloading equipment, specifically a kind of mining vertical-lifting unloading machine that rolls automatically.

Two, background technology

Promoting unloading equipment is a core component part of Coal Production, the advanced and backward of its equipment performance directly influences and is restricting the output and the quality of coal, and it is many that traditional lifting unloading equipment has a transit link, and floor area is big, drawbacks such as hoisting speed is slow, and consumption of current is big.The technology that adopts has 1. belt conveyer climbing to carry at present.Coal is carried to ground and being loaded on the conveyer through equipment such as tipper, buffering coal bin, feeders, delivers to screening plant top again.The fortune inclination angle is generally less than 18 ° on the common belt conveyor.If be transported to the 12m high position, take up an area of horizontal throw and be about 40m.Add tipper, floor areas such as actuating device are about 150m ²Floor area is big, and conveyer costs an arm and a leg.Initial investment is big, and transshipmenting tache is more, during-operation service complexity, poor safety performance.2. FC unloading machine.Small-size coal mine adopts more.This equipment lifting speed is slow, and floor area is big, poor stability.

Three, summary of the invention

The purpose of this utility model provides that a kind of floor area is little, and hoisting speed is fast, and few, the automatic unloading of intermediate link unloads the clean mining vertical-lifting unloading machine that rolls automatically.

The technical scheme that the utility model is taked is: it by raising legs, winding cage, lifting winch, unloader power element and be contained in the raising legs top the head sheave room, promote the guiding head sheave and bob-weight is formed.Promoting the guiding head sheave is connected with bob-weight by steel rope; Unloader power element is made up of tipper, unloading guiding bend, automatic reverse shift fork and rail trouble, unloading guiding bend connects by the rail trouble, the rail trouble has the automatic reverse shift fork to connect by pull bar, coal store is located at the raising legs middle part, feeder is equipped with in the coal store lower end, screening selects the cash room to be fixed on the raising legs, the secondary support is contained in the raising legs bottom, cage connects by connecting device, the unloading roller of tipper connects with connecting device and is loaded in the winding cage, and track adjusting wheel is equipped with in the mine car, the tipper both sides that are contained in the tipper.

The utility model is designed to one with tipper, cage etc., realizes vertical-lift.Arrive screening roof portion unloading position, unloading roller makes tipper upset unloading along curve motion, and automatic reversing mechanism guarantees 180 ° of tipper upsets, and unloading is clean.Characteristics such as and it is little to have floor area, and hoisting speed is fast, and intermediate link is few.

Four, description of drawings

Fig. 1 is the utility model overall structure scheme drawing;

Fig. 2 is the utility model unloading principles figure that overturns automatically.

Five, specific embodiments

As shown in Figure 1, the utility model is made up of raising legs 17, winding cage 16, lifting winch, unloader power element and the head sheave room 1, guiding head sheave 2, the bob-weight 3 that are contained in raising legs 17 tops.Guiding head sheave 2 links to each other with bob-weight 3 by steel rope; Unloader power element is by tipper 13, unloading guiding bend 4,5, automatic reverse shift fork 6 and rail trouble 18 are formed, unloading guiding bend 4,5 by 18 connections of rail trouble, rail trouble 18 has automatic reverse shift fork 6 to connect by pull bar 19, coal store 7 is located at raising legs 17 middle parts, feeder 8 is equipped with in coal store 7 lower ends, screening selects cash room 9 to be fixed on the raising legs 17, secondary support 10 is contained in raising legs 17 bottoms, cage 16 connects by connecting device 11, the unloading roller 12 of tipper 13 connects with connecting device, and be loaded in the winding cage 16, be contained in the mine car 14 in the tipper 13, track adjusting wheel 15 is equipped with in tipper 13 both sides.Tipper 13 is installed in the winding cage 16, and cage 16 is welded by 14 channel-section steels.For expendable weight, four rails wheel and eight guide cards with in plate be welded, whole cage is compact to design, and is in light weight, sturdy and durable.Bob-weight 3 is fixed on the non-lifting side steel rope, and steel rope passes from its center, for bob-weight is operated steadily, is provided with orbit simultaneously.Bob-weight 3 can reduce the winch specification, saves investment, saves power consumption.In raising legs 17 bottom bob-weights 3 sides the pulleying limit switch is installed, when lifting container arrives unloading position, and unsnatch carry after, if stop yet, the collision block on the bob-weight 3 will the bruising limit switch, this signal reaches electric-control system, makes it the band-type brake that stops.

The utility model electric-control system, major loop adopts two GJ10-150 type contactless switchs.Subsidiary loop adopts SJ-10 type time relay and CJ10-10A type intermediate relay.When the mine car 14 that coal the is housed cage 16 of packing into, after the driver receives and promotes signal, drive to make cage 16 be promoted to unloading position.This moment, bob-weight 3 made the dry reed relay action that is installed on the raising legs 17, sent signal, connected the work of control loop and automatic guidance screening plant.

As shown in Figure 2, be tipper 13 and unloader power element composition.Adopt the principle design of Maltese cross, Tuo Luo mechanism and cam intermittent moment to form.Unloader power element is fixed on two parts up and down of raising legs 17, unloads tool bend 4,5, and middle rail trouble 18 connects, and rail trouble 18 has commutation shift fork 6 by pull bar 19, automatic guidance commutation in cage 16 operational processs.Unloading roller 12 is along the straight line portion upward movement of dump rail 5 during lifting, after arriving the G point, the operation that takes over of the curved portion of dump rail, tipper 13 upset gradually under the effect of unloading roller 12 and bend simultaneously, driving lever when unloading roller 12 arrives the H position on the cage begins to promote the shift fork W of direction reverser in the F position, carry in the continuation along with cage 16, shift fork 6 promotes to press anticlockwise motion by driving lever.Meanwhile, rail trouble 18 is rotation in the direction of the clock under the drive of pull bar 19, and rail branches off 18 tips by A point arrival B point, simultaneously, unloading roller 12 is along dump rail 4,5 operations, and the drive tipper is pressed the cw upset gradually, unloading roller 12 arrives the J point by the H point, and tipper revolved and turn 90 degrees this moment.Carry in the continuation along with cage 16, unloading roller 12 arrives the H point by the J point again, and tipper 13 continues upset.Because this rail trouble 18 has turned to the B position by A, along with carrying on the cage 16, unloading roller 12 will be along the top bend by H → K direction operation.Tipper 13 own Rotate 180 degree when arriving the K point, oneself all draws off the coal in the mine car 14.

When cage 16 was transferred, unloading roller 12 was by K → H, and the driving lever 20 on the cage 16 begins to promote the shift fork E of direction reverser, and along with transferring of cage 16, unloading roller 12 is by H → J → H, and shift fork 6 moves in the direction of the clock simultaneously, and the rail trouble arrives A by position B again.Cage continues to transfer, and unloading roller is smoothly by H → G.Meanwhile, tipper 13 left-hand revolutions, 14 casees mouths of mine car are downward, continue to be turned to the case mouth up.Finish one and promote the unloading cyclic process.

Rail trouble parameter:

Δr ₁＝100mm

r＝L _AO′＝400mm

Direction reverser:

Δr ₂＝55mm

Δθ ₂＝60°

$L_{E_{2}W}=L_{E_{2}Z}=400\mathrm{mm}$

The rail trouble anglec of rotation is Δ θ ₁, then have

Δθ ₁·Δr ₁＝Δθ ₂·Δr ₂

${\mathrm{\&Delta;<figure-callout\; id="1"\; label="L"\; filenames="Y0327136700091.png"\; state="\{\{state\}\}">L</figure-callout>}}_1=L_{\mathrm{AB}}=2r\sin \frac{{\mathrm{\&Delta;\&theta;}}_1}{2}$

$=227\mathrm{mm}$

The inboard width of dump rail is 180mm, then

$\mathrm{\&alpha;}=L_{\mathrm{DC}}=\frac{{\mathrm{\&Delta;L}}_1-180}{2}$

$=\frac{227-180}{2}=23.5\mathrm{mm}$

$\stackrel{.}{..}\mathrm{\&theta;}=\arccos \frac{L_{O_{1}C}}{R_n}$

$=\arccos \frac{R_n-\mathrm{\&alpha;}}{R_n}$

c＝R _nsinθ＝510sin17.5°＝153mm

$L_{0^{\&prime;}M}=r\cos \frac{{\mathrm{\&Delta;\&theta;}}_1}{2}$

R in the formula ₀---dump rail line of centers radius of curvature, R ₀=600mm;

R _n---the inboard outer rim radius of curvature of dump rail, R _n=510mm;

R _ω---dump rail outside inner edge radius of curvature, R _ω=690mm

Rail trouble rotating shaft center is from promoting centre distance e ₁For

e ₁＝R ₀-(c+L _O′M)

＝600-(153+383.5)

＝63.5mm

The unloading roller line of centers is to tipper axial line distance L _O3NFor

$L_{O_{3}N}=800\mathrm{mm}$

The tipper radius R _F=900mm.

When the J point was the tipper half-twist, the position of unloading roller also was the low order end position that unloading roller can arrive in bend

$L_{\mathrm{PJ}}=L_{O_{3}N}-R_0$

$=800-600$

$=200\mathrm{mm}$

Driving lever on the cage is L '=515mm from promoting distance between center line, and the effect starting point is F and L is arranged "=100mm, shift fork on the shift fork $L_{E_{2}W}=400\mathrm{mm},$ The shift fork axis E ₂From promoting distance between center line e ₂For

$e_2=L^{\&prime;}{+L}^{\&prime;\&prime;}-L_{E_{2}W}$

$=515+100-400=215\mathrm{mm}$

Pull bar $L_{E_1{\mathrm{<figure-callout\; id="2"\; label="E"\; filenames="Y0327136700091.png"\; state="\{\{state\}\}">E</figure-callout>}}_2}=1000\mathrm{mm},$ Tipper line of centers to driving lever line of centers is 1000mm.Therefore when unloading roller by the P point to the J point process, driving lever has begun to stir shift fork and has driven the commutation of rail trouble.

Vertical-lifting frame 17 of the present utility model is steel structure, four jiaos of supports are welded with angle steel, 20.94 meters of height overalls, the vertical-lifting height is 12 meters, 1.8 meters of unloading operation height, 2.7 meters of head sheave room height, high 12 meters of frame are provided with the coal pocket of 3 cubic meters, coal bunker falls into the reciprocating type feeder in bottom,, is sent to screening one by one and selects cash room 9 raw coal in the coal pocket by feeder.6 in slideway is housed on the raising legs 17, cage 16 and bob-weight 3 are moved up and down by certain track, guaranteed that cage 16 and bob-weight 3 operate steadily.Area of coal yard is more little, and coal piling is higher, needs derrick height big more, and operation highly also can correspondingly improve.

In sum, the advantage that has of the utility model is:

1, it is fast to unload hoisting velocity, promotes and only uses 18 seconds a circulation timei, unloads than the FC of former use 4.17 times of carrier aircraft Speed improvings.

2, power consumption saves 50% than former machine, once promotes power consumption and only is 0.125KWh, annual economize on electricity 31250 Degree.

3, floor space is little, saves the area 80% than former machine.

4, few, the automatic unloading of intermediate link, equipment investment is few, and unloading is clean thoroughly, and because the anglec of rotation of automatic dumper is 180 degree, promptly the mine car mouth adds the vibratory force when rolling by going to vertically downward up, and unloading is clean, car clearly.

Claims (1)

1. A kind of mining vertical-lifting unloading machine that rolls automatically, including raising legs (17), winding cage (16), lifting winch and electric-control system constitutes, it is characterized in that: also include unloader power element and be contained in the head sheave room (1) at raising legs (17) top, the head sheave (2) that leads, bob-weight (3) composition, guiding head sheave (2) links to each other with bob-weight (3) by steel rope; Unloader power element is by tipper (13), unloading guiding bend (4), (5), automatic reverse shift fork (6) and rail trouble (18) are formed, unloading guiding bend (4), (5) connect by rail trouble (18), rail trouble (18) has automatic reverse shift fork (6) to connect by pull bar (19), coal store (7) is located at raising legs (17) middle part, feeder (8) is equipped with in coal store (7) lower end, screening selects cash room (9) to be fixed on the raising legs (17), secondary support (10) are contained in raising legs (17) bottom, cage (16) connects by connecting device (11), the unloading roller (12) of tipper (13) connects with connecting device, and be loaded in the winding cage (16), be contained in the mine car (14) in the tipper (13), track adjusting wheel (15) is equipped with in tipper (13) both sides.

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