CN2103138U

CN2103138U - Dustproof curtain apparatus for sample machine of coal or bulk mineral

Info

Publication number: CN2103138U
Application number: CN 91201052
Authority: CN
Inventors: 谢庆云
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-01-24
Filing date: 1991-01-24
Publication date: 1992-04-29

Abstract

The utility model relates to a dustproof curtain apparatus for a sampling machine of coal or bulk minerals, belonging to the field of the automatic machinery sampling technique. The device can be used for the dust prevention of the hopper opening of the cutting chute type sampling machine of bulk minerals such as coal and is formed by that a dustproof curtain apparatus is added between a sampling hopper and a sampling machine cutter. The dustproof curtain apparatus for a sampling machine of coal or bulk minerals adopts the curtain structure and is connected with the sampling machine cutter and moves with the movement of the sampling machine cutter. The impurities can be effectively blocked from entering the sampling hopper without the influence of the normal sampling, and the sample purity is improved.

Description

Dustproof curtain apparatus for sample machine of coal or bulk mineral

A kind of coal or mineral Sampling Machine dustproof shade device in bulk, it belongs to automated machine sampling technique field.

In recent years, China in Qinhuangdao, harbours such as stone mortar, Lianyun Harbour, Qingdao or be about to introduce the big machinery coal sampling and preparing equipment that U.S. lime plug (RAMSEY) engineering corporation produces, this equipment can carry out mechanization to the coal of shipment speed more than 6000 tons/hour and sample automatically, be typically to cut the chute type Sampling Machine, having advanced international standard, is representational in the world mechanization automatic sampling device.

U.S.'s Sampling Machine principle of work is as shown in Figure 4: coal transports shipment by transporter (8), Sampling Machine cutter (1) drives down and the axially parallel direction of transporter great wheel (7) is reciprocating and cut the coal at stream place at drive unit (9) by certain hour or weight at interval at coal breakage place, the great wheel (7) of transporter (8) below, the part coal that is cut (hereinafter claiming sample) enters sampling thief cutting machine (1) and is flowed in the sample hopper (4) by the opening (6) of outlet (3) through sample hopper (4), the effect of dirt door (5) is when the sampling thief cutter is not sampled, closing and block sample hopper opening (6) prevents that the backwash coal cinder from entering in the hopper (4) and causes sample impure, whether the switching of dirt door (5) is moved to sample by Sampling Machine determines, have only when Sampling Machine cutter (1) is prepared sampling, dirt door (5) is opened just now automatically, and sample enters in the hopper (4) unobstructedly.Close when the dirt door (5) of sampling at the end, block hopper opening (6) and prevent that foreign material from entering sample hopper (4) and causing sample contamination.

The dirt door mechanism of U.S. RAMSEY company equipment is as shown in Figure 5: Sampling Machine cutter (1), dirt door rotation axis (3), sample hopper (4), dirt door (5), rotating crank mechanism (6), motor-driven (7), Sampling Machine cutter opening (8), hopper opening (9).

The design of the existing sampling thief machine dirt door of U.S. RAMSEY company has following two shortcomings.(referring to Fig. 6)

＜1〉sample hopper opening (9) length is 3 meters, high about 0.7 meter, and cutter (1) width is 0.35 meter, open because of dirt door (5) during each the sampling, hopper opening (9) comes out, except that the cutter that is moved (1) block that part of other parts (account for whole area 7/8ths) all expose.Cause the backwash coal cinder might enter the sample hopper, cause sample contamination.

＜2〉since this structure (see figure 5) by motor-driven (7), crank connecting link (6), dirt door rotation axis (3), dirt door (5) constitutes, and sewage dipping in the harbour service, salt fog corrodes, often cause band-type brake malfunctioning, the crank dislocation is interrupted sampling and shipment work, bring difficulty for like this shipment work, cause bigger economic loss for outlet coal.(stop adopting adorned less in one hour thousands of tons of coal) influences the export of coal trade.

The purpose of this utility model is to provide a kind of dustproof shade device that can overcome a kind of Sampling Machine of above-mentioned defective.It is realized in the following way:

The utility model is by a kind of movably dustproof shade device, it is characterized in that this dirt curtain hangs over by fixing guide wheel on the dragline in the outside of sample hopper opening, two counterweight muscle of dirt curtain left and right sides outermost end are connected with galvanized wire and dragline left and right sides terminal respectively, and the dirt curtain can do to be parallel to the axial stretching slip of fortune coal belt feeder great wheel.The opening that an area is slightly larger than the outlet of Sampling Machine cutter is opened at dirt curtain middle part.Dirt curtain about opening links flange by one and links to each other with cutter.To move horizontally when sampling dirt curtain flexible about thereupon when cutter like this, sample hopper opening is in hundred-percent shielding status and has prevented that effectively the backwash coal cinder from entering in the hopper, and the sample of being gathered is successfully entered in the sample hopper through dirt curtain opening by the cutter outflow.

Because this dustproof shade device has saved dirt door and corresponding driving in the U.S. RAMSEY company equipment fully, mechanisms such as crank, reduce the maintenance work except that reducing cost, also reduced the outlet coal that its fault causes and to have loaded economy, the politics loss that brings onto ship because of not adopting sample, have great society and economic benefit, this device also can be used for the dustproof of other loose unpacked material cutting chute type Sampling Machine hopper opening such as iron ore.

Description of drawings:

Fig. 1 the utility model front elevation synoptic diagram (specification digest accompanying drawing).

Fig. 2 the utility model side view synoptic diagram.

Fig. 3 the utility model joint flange front elevation synoptic diagram.

Fig. 4 u s company Sampling Machine fundamental diagram synoptic diagram.

Sampling Machine dirt door mechanism of Fig. 5 u s company schematic side view.

Sampling Machine dirt door mechanism of Fig. 6 u s company front elevational schematic.

Below in conjunction with accompanying drawing (1) embodiment is done nearly step explanation:

This figure is a dustproof shade device front elevation, joint flange (2) is by among Fig. 3: 4 fastening bolts shown in the 2-2 are fixed in Sampling Machine cutter (1) outlet, with the counterweight muscle on limit, dirt curtain (3) the opening left and right sides with galvanized wire with see Fig. 3 in 2-1 shown in the binding hook of joint flange (2) link to each other.When Sampling Machine cutter (1) was walked the sampling of cutting coal breakage along about Fig. 1 horizontal direction, sample was injected in the sample hopper (8) through outlet shown in Figure 2 (7) and sample hopper opening (9) by cutter.Joint flange (2) drives dirt curtain (3) during cutter (1) operation, make dirt curtain (3) left and right sides telescopic slide that hangs on the dragline (6), the opening (9) of hopper (8) is under the shielding of dirt curtain forever, effectively stopped the backwash coal cinder in opening enters sample hopper (8), guaranteed the purity of sample, (11) are for making tighting a bolt of dragline tensioning.

Dustproof shade is made by the canvas that highly is 0.85 meter band frie retardant coating in the present embodiment, and (11) are for tighting a bolt in order to the tension dragline.(10) be the counterweight muscle,, be positioned at the guide wheel below, 0.8 meter of spacing by the reinforcement fabrication of 12 millimeters of diameters.The purpose of counterweight muscle is to increase the intensity of dirt curtain and droop characteristic.Guide wheel among the figure (5) detailed structure is seen K to view, and 5-1 is wheel (can make of nylon), and 5-2 is guide wheel shaft (steel), and 5-3 is the suspension hook that hangs the dirt curtain.

Fig. 3 is for linking the flange front elevation, and framework 2-3 is welded by the angle steel of L45X45, and butt hook (2-1) is welded on the framework with 10 millimeters reinforcing bars of diameter and forms.In use, be connected with the counterweight muscle on galvanized wire and dirt curtain opening both sides, joint flange injects the outlet of Sampling Machine cutter, tightens four fastening bolts (2-2) and flange is exported with cutter be connected firmly.When the Sampling Machine cutter was sampled, joint flange drove the same moved further of dirt curtain device by butt hook.Fig. 2 is a dustproof shade device side view, and Sampling Machine cutter (1) is wherein arranged, joint flange (2), fastening bolt (2-2), dirt curtain (3), guide wheel (5), dragline (6), Sampling Machine cutter outlet (7), sample hopper tight (8), hopper opening (9) links hook (10).

Claims

1, a kind of coal or mineral Sampling Machine dustproof shade device in bulk, it comprises dirt curtain, guide wheel, dragline, joint flange, it is characterized in that: have one to make sample successfully enter the interior opening of sample hopper on the dirt curtain (3), it is positioned between sample hopper (8) and the Sampling Machine cutter (1), link to each other with the Sampling Machine cutter and can synchronization telescope moves with its sampling, dirt curtain (3) is by hanging on the dragline (6) under the guide wheel (5).