CN2196546Y - Electrothermal explosion-insulation type desulfurizing machine - Google Patents

Abstract

The utility model relates to an electrothermal explosion-insulation type vulcanizing machine used for preventing the vulcanizing joint of a whole core conveyer belt from burning in a coal mine well, belonging to mechanical field. An existing electrothermal steam rubber belt vulcanizer composed of a vulcanizer, a magnetic starter, a connection box, a pressure device has the disadvantages of water taken as a heat medium, large volume, heavy weight, and inconvenient use in the well. The utility model is composed of the base machine of the vulcanizing machine, an electric control box, the cable of a hydraulic pump, etc. An upper and a lower insulating plates, and an upper and a lower vulcanizing plates are connected serially by a screw; a hydraulic pump is communicated with a hydraulic plate; the vulcanizing plates are communicated with the electric control box. The device has the advantages of convenient disassembly, small volume, light weight, energy saving, convenient use, etc.

Description

Electrothermal explosion-insulation type desulfurizing machine

A kind of electric heating type explosion-proof vulcanizer is used for colliery underground flame retardant whole core conveyer belt vulcanization gelatinization joint joint, belongs to mechanical field.

Existing KJL series electric-heating steam adhesive tape sulfurator is held concurrently four most of compositions of intrinsically safe type magnetic starter, special-purpose junction box, pressue device device by sulfurator, flame proof.Its structure is (Wuxi County Mine Electric Appliance Factory's production) as shown in Figure 1.Its operation principle is: tubular electrothermal element is arranged as thermal source in the following sulfuration plate casing of composition sulfurator, the WATER AS FLOW MEDIUM of vulcanizing in the plate casing down is heated into saturated vapor, rubber steam hose leads to sulfuration plate casing, makes the tape splice baking of putting into the sulfurator part.After passing through the pressue device pressurization of forming by hydraulic jack, make tape splice part compressive load per unit area reach predetermined value, pass through the pressurization of heating again, make the tape splice vulcanization forming, form a complete rubber conveyor belt.This sulfurator is handled starting and is stopped with the flame proof intrinsically safe type magnetic starter of holding concurrently.

The deficiencies in the prior art part is: bulky, weight is big, adopts artificial timing controlled accurately not hold the time, inconvenient operation influences the adhesive tape quality of connection, owing to use water as thermal medium, inconvenience when using in the down-hole.

The purpose of this utility model is: design a kind of electric heating type explosion-proof vulcanizer, finish the intensification of sulfidation, the control of insulating process with the circuit of heating automatically, be incubated of electric control box.With the sulfuration plate of heating wire composition, the heating source that thermal insulation board forms this machine, substitute sulfuration plate casing of the prior art, cancellation hydro-thermal medium.The water pressing plate substitutes technical schemes such as hydraulic jack, thereby makes novel vulcanizer reach the purpose that volume is little, in light weight, quick heating guarantees vulcanized quality.

The technical solution of the utility model is: form complete machine by critical pieces such as vulcanizer main frame, electric cabinet, hydraulic pamps.Vulcanizer by last thermal insulation board, on vulcanize plate, down vulcanize plate, down thermal insulation board, hydraulic pressure plate etc. are arranged in order and are contained in the middle of the upper and lower frame.Frame is made the frame type, and the upper ledge face is smooth, smooth, and several frames are arranged and used during use.The frame two ends has the recess of wearing screw rod, with screw rod with frame, hydraulic pressure plate, down thermal insulation board, down vulcanize plate, on vulcanize plate, go up thermal insulation board, upper spider, be arranged in order the company of wearing, hydraulic pamp is connected with the water inlet of hydraulic pressure plate, electric cabinet divides once power supply and secondary power supply cable, connects mine power supply and upper and lower sulfuration plate respectively.The sulfuration plate temperature is by inserting platinum resistance thermometer sensor, that vulcanizes plate and the instrument that shielded conductor is transmitted to electric control box demonstration.The electric loop of electric control box is made up of major loop and control loop.

Of the present utility model being characterised in that: form complete machine by vulcanizer main frame, hydraulic pamp, electric control box, its frame is several frame types, the jagged shelf in termination, the hydraulic pressure plate is a black iron plate, and one deck nylon rubber is arranged above again, and four limits are fixed with the strip bridge screw.Side is provided with water inlet; The sulfuration plate is to make elongated slot on thicker iron plate, is provided with electric heating piece in the groove; Cover plate is arranged above again, in the flame proof junction box that the tap access sulfuration plate side of electric heating piece is provided with.Lower bearing bracket, hydraulic pressure plate, down thermal insulation board, down vulcanize plate, on vulcanize plate, go up thermal insulation board, be arranged in order and use the screw rod cross-under, the electric control box shell is an explosion-proof type, its line map is:

F2, upper and lower sulfuration plate binding post → KC1, KC2, digital display → Z11, Z21 contact → 1SJ delayer.

Fig. 1 is the structural representation of prior art steam adhesive tape sulfurator;

Fig. 2 is the utility model structural representation;

Fig. 3 is the electric heating piece structural representation;

Fig. 4 is an electrical schematic diagram in the electric control box.

Below in conjunction with embodiment the utility model is further described in detail: the upper and lower frame 1,2 of making frame type structure with steel, the frame upper surface is smooth, smooth, and two ends has the recess 4 of wearing screw rod 3, during use, glued joint direction with three lower bearing brackets 2 perpendicular to conveyer belt 5 and place, two ends are concordant.Every frame gap is even.Hydraulic pressure plate 6 is a black iron plate, one deck nylon rubber is arranged above again, four limits are fixing with strip pressing plate (screw), side leaves a water inlet 7, following thermal insulation board 8 usefulness glued boards are made, and being bonded in the last plane of hydraulic pressure plate 6, the water inlet 7 of hydraulic pamp 9 and hydraulic pressure plate 6 is connected, and the hydraulic pressure plate is placed on the lower bearing bracket.Vulcanizing plate 10 down is to mill out several elongated slots on thicker iron plate, is mounted with electric heating piece 11 in the groove, has cover plate thereon topped, and the resistance wire of electric heating piece is entangled on the chip, does backing plate, outsourcing steel with the partiting thermal insulation material, and leaded drawing outside the sulfuration plate.Under vulcanize plate and place according to frame and hydraulic pressure plate center, its cover plate down, working face is up.Adhesive tape 5 joints that stripped are positioned over down on the sulfuration plate working face by the sulfuration process requirement, and clamp with buting iron.If tape splice length is big, the position of a sulfuration plate is not enough, can 2,3 repeats above assembling process, and splicing is used.Go up sulfuration plate 12 according to corresponding placement the in the position of vulcanizing plate down, just its working face down, cover plate and then is placed and is gone up thermal insulation board 13 up.Thermal insulation board is made with high temperature resistant, high pressure material glued board.Placement upper spider 1 on last thermal insulation board 13, the alignment of upper and lower frame is tightened after putting on screw rod 3.The junction box who vulcanizes plate up and down is connected with electric control box.The major loop of electric control box: after reversing switch K connected fuse RD1, the one tunnel connect the 660V limit of transformer BY, and another road connects ac contactor contact Z1, Z2, after meet upper and lower sulfuration plate binding post F1, F2 again, after Z1, the Z2 conducting, upper and lower sulfuration plate heats up.The control loop of electric control box: the 220V edge joint fuse RD2 of transformer BY and A.C. contactor Z12, Z22 main contact, after its adhesive conducting, digital display temperature controller KC12, KC22 show respectively and vulcanize plate temperature up and down that vulcanizer enters temperature-rise period.Established the curing temperature numerical value of KC12, KC22 digital display temperature controller in advance, after being warmed up to predetermined value, normally closed interlock KC12, the KC22 of two temperature controllers throws off and causes A.C. contactor Z1, Z2 disconnection then sulfuration plate F1, F2 outage, contact closure after 2SJ delayer time-delay this moment, 1SJ action shows temperature retention time, during to predetermined insulation numerical value, stops demonstration, insulation finishes, and the splicing of PVC tape joint finishes.Above program is the automatic path that glueds joint, and automatic button gets final product only to need to dial upward.If need manual operation, only need press Q1, Q2 and start push button, Z12, Z22, i.e. adhesive automatically after sulfuration plate F1, F2 are warmed up to predetermined temperature, are pressed stop button with manual operation and is stopped to heat up, and vulcanizes insulation, and other electrical equipment is failure to actuate.

The utility model compared with prior art, it is little, in light weight to have a volume, power saving, quick heating, operation automation, bonding quality advantages of higher.

Claims (3)

1, a kind of electric heating type explosion-proof vulcanizer complete machine, form by vulcanizer main frame, electric control box, hydraulic pamp etc., it is characterized in that: the vulcanizer main frame by last thermal insulation board, on vulcanize plate, down vulcanize plate, down thermal insulation board, hydraulic pressure plate, be arranged in order and be contained in the middle of the upper and lower frame, fixing with the screw rod serial connection; On the sulfuration plate elongated slot is arranged, electric heating piece is arranged between groove, sulfuration plate junction box is the flame proof junction box; The hydraulic pressure plate is a multiple flexible material above the black iron plate, four limits with pressing plate fix, the side is provided with water inlet; Electric wiring in the electric control box is divided into major loop and control loop.

2, electric heating type explosion-proof vulcanizer according to claim 1 is characterized in that: the resistance wire of electric heating piece is entangled on the chip, makees backing plate with the partiting thermal insulation material, the outsourcing steel.

3, electric heating type explosion-proof vulcanizer according to claim 1 is characterized in that: it is such that the electrical equipment in the electric control box connects: the one road links transformer BY the two poles of the earth behind change-over switch K → fuse RD1; One the road links A.C. contactor Z1, Z2 → sulfuration plate binding post F1, F2 → digital display electronic temperature control device KC1, KC2 → contact Z11, Z21 disconnection → 1SJ conducting beginning insulation program → outage end.

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