CN209200394U - A kind of dedicated explosion-proof electrical distribution box in oil field - Google Patents

Abstract

The utility model discloses a kind of dedicated explosion-proof electrical distribution boxes in oil field, including cabinet, hermatic door is offered on the side of the cabinet, and shield is installed at the perpendicular position of hermatic door on the two sides of cabinet, the bottom end of the shield offers heat release hole, the dedicated explosion-proof electrical distribution box in the oil field puts rope electric motor starting, and put down nylon rope, so that the sealing plate of nylon rope one end falls, and it is embedded in dust gathering arrester, the baffle in heat release hole is rotated outwardly due to collision and by rotational pin simultaneously, complete the closing to heat release hole, outside air is avoided to exchange with inner air, block combustion-supporting gas, simultaneously when the gas of cabinet is increasing, when air pressure becomes larger, rubber pneumatic bag can absorb this partial gas pressure, and it heaves, air pressure inside adapting to and adjusting, if air pressure increases too fast, rubber pneumatic bag meeting extrusion shroud, and it ruptures, and due to anti- Shield is hemispherical, without sharp parts, will not be caused to personnel compared with major injury, safety is stronger.

Description

A kind of dedicated explosion-proof electrical distribution box in oil field

Technical field

The utility model relates to distribution box technical field, specially a kind of dedicated explosion-proof electrical distribution box in oil field.

Background technique

Distribution box is the magnanimity parameter in data, usually constitutes and presses electrical wiring, it is desirable that by switchgear, measuring instrument Table, protection electric appliance and ancillary equipment are assembled in closing or semiclosed metal safe or in screen width, constitute distributing box, are operated normally When can by manual or automatic switch connect or disjunction circuit, need to use distribution box near oil fields, be field mining equipment Management switch and branch, but current distribution box poor in anti-explosion property, there are when fire source inside explosion-proof electrical distribution box, due to heat dissipation Hole communicates with the outside world, and the fuel gas of disperse in outside air may be exchanged with inner air, encourage flame seedling；And it is general Oil field distribution box dust-proof effect it is poor, due to containing some dust such as soil, sand in these dusts, although property is relatively stable, But encounter in mist of oil and CO, CH4, coal gas etc fuel gas, explosion, etc. problem can also occur and need our solutions Certainly.

Utility model content

The purpose of this utility model is to provide a kind of dedicated explosion-proof electrical distribution boxes in oil field, are proposed with solving above-mentioned background technique It is current inside explosion-proof electrical distribution box there are when fire source, may be by disperse in outside air since heat release hole communicates with the outside world Fuel gas exchanged with inner air, encouraged flame seedling；General oil field distribution box dust-proof effect is poor, due to these dusts In containing some dust such as soil, sand encounter mist of oil and CO, CH4, coal gas etc combustible gas although property is relatively stable In body, the problem of also exploding.

To achieve the above object, the utility model provides the following technical solutions: a kind of dedicated explosion-proof electrical distribution box in oil field, including Cabinet offers hermatic door on the side of the cabinet, and on the two sides of cabinet be equipped at the perpendicular position of hermatic door it is anti- Shield, the bottom end of the shield offer heat release hole, and the inside of the heat release hole is equipped with baffle, and the baffle equidistantly erects It is directly distributed in the inside of heat release hole, and the inside of baffle is equipped with rotational pin, the baffle is connected by rotational pin and body pivot It connects, dust gathering arrester is installed at the inside of the cabinet and baffle opposite position, the inside of the dust gathering arrester is equipped with active carbon Nylon wire, on the side wall of the cabinet with rubber pneumatic bag is installed at shield opposite position, and on the inner wall of cabinet with it is close Electric appliance assembly panel is installed, the top of the electric appliance assembly panel is equipped with dry powder box, described dry at closure door opposite position Feedboard is fixed with by screw on the outer wall of powder box, and the bottom of dry powder box offers pumping slot, the inside of the pumping slot is chimeric There is steel band, steel band box is provided on the side of the dry powder box, the steel band is wound far from one end of dry powder box in steel band box Inside, and the inner wrap of steel band has whirlpool spring, and gear, the gear are equipped on the side of the steel band box One end receipts turbin generator is installed, and the other end of gear and receive electric expansion be installed at turbin generator opposite position Bar, the electric telescopic rod are equipped with friction pulley close to one end of whirlpool spring, and the top of the steel band box is equipped with belt pulley box, institute The one end for stating belt pulley box, which is equipped with, puts rope motor, and the inside of belt pulley box and put rope motor opposite position at master is installed Movable belt pulley, the driving belt pulley shaft are mounted on the output end for putting rope motor, and the inside of the belt pulley box is close to driving pulley Side driven pulley is installed, the driven pulley is sequentially connected by belt and driving pulley, and the shaft end of driven pulley It is welded with around reel for rope, described to be wound with nylon rope on reel for rope, the belt pulley box is led far from being equipped on the side of dry powder box To wheel, the nylon rope is ridden upon on the side wall of directive wheel, and the top of the dust gathering arrester is provided with sealing plate, the top of the sealing plate By nylon rope and wiring axis connection, the top of the cabinet wall is equipped with controller close to the side of dry powder box, and controls Device is equipped with smoke detector far from one end of dry powder box, the smoke detector, put rope motor and receive turbin generator with control Device is electrically connected, and the controller and extraneous power supply are electrically connected.

Preferably, the section of the baffle is V-shaped structure, and active carbon nylon wire is 2 at a distance from dust gathering arrester top ~3cm.

Preferably, the sealing plate and dust gathering arrester, which are constituted, is fitting to connection, and sealing plate is hollow structure.

Preferably, the shield is hemispherical dome structure.

Preferably, the electric telescopic rod includes outer shell, lead screw and inner rod, and the inside of the outer shell is equipped with silk Thick stick slidably connects nut bushing on the outer wall of the lead screw, is welded with inner rod on the side of the nut bushing, it is described in Loop bar is far from being equipped with friction pulley at the position of lead screw.

Preferably, the inside of the dry powder box is equipped with partition, and the partition is equidistantly arranged on the inner wall of dry powder box.

Compared with prior art, the utility model has the beneficial effects that the dedicated explosion-proof electrical distribution box in the oil field:

1. the dedicated explosion-proof electrical distribution box in the oil field after smoke detector detects burning, is issued by controller and is instructed, made Rope electric motor starting must be put, and puts down nylon rope, so that the sealing plate of nylon rope one end falls, and is embedded in dust gathering arrester, it will be active Charcoal nylon wire is subdued, while the baffle in heat release hole is rotated outwardly due to collision and by rotational pin, is completed to heat release hole Closing, avoids outside air from exchanging with inner air, blocks combustion-supporting gas, while the gas for working as cabinet is increasing, gas When buckling is big, rubber pneumatic bag can absorb this partial gas pressure, and heave, and adapt to and adjust internal air pressure, if air pressure increase is too fast, Rubber pneumatic bag can extrusion shroud, and rupture, and since shield is that hemispherical without sharp parts will not cause personnel Compared with major injury, safety is stronger.

2. being equipped with the baffle of V-shape on the heat release hole of the dedicated explosion-proof electrical distribution box in the oil field, outside due to having diagonally downward Help rain-proof, and inside is diagonally downward, in air exchange, dust can be made to move along the channel between baffle, and very It is easy to be deposited in dust gathering arrester and be collected, substantially increase dust-proof effect, and active carbon nylon wire is on internal dust gathering arrester top At a distance directed downwardly, the dust in case can be fallen on active carbon nylon wire, while be framed by dust gathering arrester, facilitate manager It is handled, avoids descending slowly and lightly, cause secondary pollution.

3. the dry powder box of the dedicated explosion-proof electrical distribution box in the oil field is provided with dry powder, while the steel bar of bottom plays ponding, It after smoke detector detects burning, is issued and is instructed by controller, so that receiving turbin generator starting, and make electric telescopic rod Interior lead screw turn so that inner rod on lead screw side wall due to nut bushing sliding and withdraw so that friction pulley and whirlpool spring Separation, the proaggregative elastic potential energy release of such whirlpool spring, and wind, steel bar is withdrawn, while the steel of dry powder box bottom Item is continuously extracted out, so that the dry powder horizontal direction in dry powder box successively falls, since partition separates dry powder, each interval is done Powder amount is less, and the mutual extruding force of dry powder is not strong, fall it is more neat, be covered on electric appliance assembly panel on it is also more uniform, greatly The effect put out is improved greatly.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model entity effect picture；

Fig. 3 is the utility model dry powder box entity effect picture；

Fig. 4 is the utility model baffle entity effect picture；

Fig. 5 is the utility model electric telescopic rod structural schematic diagram；

Fig. 6 is the fire-proof and explosion-proof program flow diagram of the utility model.

In figure: 1, cabinet；2, shield；3, hermatic door；4, baffle；5, heat release hole；6, electric appliance assembles panel；7, dry powder Box；8, feedboard；9, partition；10, steel band box；11, steel band；12, whirlpool spring；13, friction pulley；14, electric telescopic rod；1401, outer Sheath body；1402, lead screw；1403, inner rod；15, turbin generator is received；16, gear；17, sealing plate；18, belt pulley box；19, Put rope motor；20, around reel for rope；21, directive wheel；22, rubber pneumatic bag；23, smoke detector；24, active carbon nylon wire；25, collect Dust hood；26, controller；27, pumping slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of dedicated explosion-proof electrical distribution box in oil field, including case Body 1 offers hermatic door 3 on the side of cabinet 1, and is equipped with protection at the perpendicular position of hermatic door 3 on the two sides of cabinet 1 Cover 2, the bottom end of shield 2 offers heat release hole 5, and the inside of heat release hole 5 is equipped with baffle 4, and baffle 4 is equidistantly distributed in vertically The inside of heat release hole 5, and the inside of baffle 4 is equipped with rotational pin, baffle 4 is rotatablely connected by rotational pin and cabinet 1, cabinet 1 Inside and 4 opposite position of baffle at dust gathering arrester 25 is installed, the inside of dust gathering arrester 25 is equipped with active carbon nylon wire 24, case On the side wall of body 1 with rubber pneumatic bag 22 is installed at 2 opposite position of shield, and it is opposite with hermatic door 3 on the inner wall of cabinet 1 It answers and electric appliance assembly panel 6 is installed at position, the top of electric appliance assembly panel 6 is equipped with dry powder box 7, on the outer wall of dry powder box 7 It is fixed with feedboard 8 by screw, and the bottom of dry powder box 7 offers pumping slot 27, the inside of pumping slot 27 is chimeric steel band 11, does Steel band box 10 is provided on the side of powder box 7, steel band 11 is wound far from one end of dry powder box 7 in the inside of steel band box 10, and steel Inner wrap with 11 has whirlpool spring 12, and gear 16, one end of gear 16 are equipped on the side of steel band box 10 It is equipped with and receives turbin generator 15, the model JK28-003-104 of the receipts turbin generator 15 is and the other end and receipts of gear 16 Electric telescopic rod 14 is installed, electric telescopic rod 14 is equipped with friction close to one end of whirlpool spring 12 at 15 opposite position of turbin generator Wheel 13, the top of steel band box 10 are equipped with belt pulley box 18, and one end of belt pulley box 18, which is equipped with, puts rope motor 19, this puts rope electricity The model JK28-003-104 of machine 19, and the inside of belt pulley box 18 and put rope 19 opposite position of motor at be equipped with actively Belt wheel, driving belt pulley shaft are mounted on the output end for putting rope motor 19, and the inside of belt pulley box 18 is close to the side of driving pulley Driven pulley is installed, driven pulley is sequentially connected by belt and driving pulley, and the shaft end of driven pulley is welded with wiring Axis 20, is wound with nylon rope on reel for rope 20, and belt pulley box 18 is equipped with directive wheel 21, nylon on the side far from dry powder box 7 Rope rides upon on the side wall of directive wheel 20, and the top of dust gathering arrester 25 is provided with sealing plate 17, the top of sealing plate 17 by nylon rope with It is connected around reel for rope 20, the top of 1 inner wall of cabinet is equipped with controller 26 close to the side of dry powder box 7, the model of the controller 26 For KY02S, and controller 26 is equipped with smoke detector 23 far from one end of dry powder box 7, the model of the smoke detector 23 JTY-GD-HA302, smoke detector 23, put rope motor 19 and receive turbin generator 15 with controller 26 be electrically connected, controller 26 It is electrically connected with extraneous power supply.

In the present embodiment: the section of baffle 4 is V-shaped structure, and active carbon nylon wire 24 and 25 top of dust gathering arrester away from Facilitate rain-proof from the sloping portion for 2~3cm, 4 outside of baffle, and the sloping portion of inside can make dust along baffle Channel between 4 moves downward, and is easy to be deposited in dust gathering arrester 25 and be collected, and substantially increases dust-proof effect, and living Property charcoal nylon wire 24 with 25 top of dust gathering arrester be separated with a distance, allow the dust inside cabinet 1 to fall in active carbon nylon It on net 24, while being framed by dust gathering arrester 25, facilitates manager to handle, avoid descending slowly and lightly, cause secondary pollution；Sealing plate 17 and collection Dust hood 25, which is constituted, to be fitting to connection, and sealing plate 17 is hollow structure, and sealing plate 17 is that center structure is lighter, easy for installation, and when rope When sub constantly releasing, sealing plate 17 can move downward, and be embedded in the side of dust gathering arrester 25, dust be pushed down, and block heat release hole 5 Interior baffle 4, so that baffle 4 is rotated outwardly by rotational pin, the inside of closed box 1 avoids the entrance of extraneous fuel gas； Shield 2 is hemispherical dome structure, if air pressure increases too fast, the meeting extrusion shroud 2 of rubber pneumatic bag 22, and is ruptured, the impact of generation Meeting is so that shield 2 flies out, and since shield 2 is that hemispherical will not cause personnel compared with major injury without sharp parts, Safety is stronger；Electric telescopic rod 14 includes outer shell 1401, lead screw 1402 and inner rod 1403, and the inside of outer shell 1401 is pacified Equipped with lead screw 1402, nut bushing is slidably connected on the outer wall of lead screw 1402, is welded with inner rod on the side of nut bushing 1403, inner rod 1403 is equipped with friction pulley 13 at the position far from lead screw 1402, is in contact by friction pulley 13 with whirlpool spring 12, Whirlpool spring 12 is avoided to wind, when friction pulley 13 separates under the effect of electric telescopic rod 14 with whirlpool spring 12, band occurs for whirlpool spring 12 Dynamic steel bar 11 is wound, and the dry powder in dry powder box 7 is fallen；The inside of dry powder box 7 is equipped with partition 9, and partition 9 is equidistantly arranged It is listed on the inner wall of dry powder box 7, partition 9 separates dry powder, and the dry powder amount at each interval is less, and the mutual extruding force of dry powder is not By force, fall it is more neat, be covered on electric appliance assembly panel 6 on it is also more uniform, substantially increase the effect put out, also avoid out Existing dead angle.

Working principle: when the utility model is used, when flame seedling occurs in inside, smoke detector 23 detects smog, and leads to Cross controller 26 send an instruction to put rope motor 19 and receive turbin generator 15, put rope motor 1 drive driving pulley rotation, main belt Wheel drives driven pulley rotation, also starting turning on driven pulley around reel for rope, so that the rope on reel for rope is released, and along Directive wheel 21 moves downward, while sealing plate 17 also moves downward, and is embedded in the side of dust gathering arrester 25, and dust is pushed down, and blocks up The firmly baffle 4 in heat release hole 5, so that baffle 4 is rotated outwardly by rotational pin, the inside of closed box 1 avoids extraneous combustible gas The entrance of body, when the gas of cabinet 1 is increasing, when air pressure becomes larger, rubber pneumatic bag 22 can absorb this partial gas pressure, and heave, Air pressure inside adapting to and adjusting if air pressure increases too fast, the meeting extrusion shroud 2 of rubber pneumatic bag 22, and ruptures, the impact of generation Meeting is so that shield 2 flies out, and since shield 2 is that hemispherical will not cause personnel compared with major injury without sharp parts, Safety is stronger, while receiving turbin generator 15 with the gear rotation in moving gear rotating box 16, and lead screw 1402 is driven to rotate, so that Inner rod 1403 on 1402 side wall of lead screw due to nut bushing sliding and withdraw so that friction pulley 13 is separated with whirlpool spring 12, The proaggregative elastic potential energy release of whirlpool spring 12 in this way, and wind, steel bar 11 is withdrawn, and the steel bar of 7 bottom of dry powder box 11 continuous extractions, so that the dry powder horizontal direction in dry powder box 7 successively falls, since partition 9 separates dry powder, each interval Dry powder amount is less, and the mutual extruding force of dry powder is not strong, fall it is more neat, be covered on electric appliance assembly panel 6 on it is also more uniform, The effect put out is substantially increased, entire workflow terminates.If the content being not described in detail in this explanation belongs to this field The prior art well known to professional technician.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of dedicated explosion-proof electrical distribution box in oil field, including cabinet (1), it is characterised in that: offered on the side of the cabinet (1) Hermatic door (3), and shield (2), the shield are installed at hermatic door (3) perpendicular position on the two sides of cabinet (1) (2) bottom end offers heat release hole (5), and the inside of the heat release hole (5) is equipped with baffle (4), and the baffle (4) is equidistantly perpendicular It is directly distributed in the inside of heat release hole (5), and the inside of baffle (4) is equipped with rotational pin, the baffle (4) passes through rotational pin and case Body (1) is rotatablely connected, and is equipped with dust gathering arrester (25), the dust at the inside of the cabinet (1) and baffle (4) opposite position The inside of cover (25) is equipped with active carbon nylon wire (24), on the side wall of the cabinet (1) and at shield (2) opposite position Be equipped with rubber pneumatic bag (22), and on the inner wall of cabinet (1) be equipped at hermatic door (3) opposite position electric appliance assembly panel (6), the top of electric appliance assembly panel (6) is equipped with dry powder box (7), solid by screw on the outer wall of the dry powder box (7) Surely have feedboard (8), and the bottom of dry powder box (7) offers pumping slot (27), the inside of the pumping slot (27) is chimeric steel band (11), it is provided with steel band box (10) on the side of the dry powder box (7), the steel band (11) is received far from the one end of dry powder box (7) Volume is in the inside of steel band box (10), and the inner wrap of steel band (11) has whirlpool spring (12), pacifies on the side of the steel band box (10) Equipped with gear (16), one end of the gear (16), which is equipped with, receives turbin generator (15), and gear (16) it is equipped with electric telescopic rod (14) at the other end and receipts turbin generator (15) opposite position, the electric telescopic rod (14) One end close to whirlpool spring (12) is equipped with friction pulley (13), and the top of the steel band box (10) is equipped with belt pulley box (18), institute The one end for stating belt pulley box (18), which is equipped with, puts rope motor (19), and the inside of belt pulley box (18) and to put rope motor (19) opposite It answers and driving pulley is installed at position, the driving belt pulley shaft is mounted on the output end for putting rope motor (19), the belt pulley The inside of case (18) is equipped with driven pulley close to the side of driving pulley, and the driven pulley is passed by belt and driving pulley Dynamic connection, and the shaft end of driven pulley is welded with around reel for rope (20), it is described that nylon rope, the belt are wound on reel for rope (20) For roller box (18) far from directive wheel (21) are equipped on the side of dry powder box (7), the nylon rope rides upon the side of directive wheel (21) On wall, the top of the dust gathering arrester (25) is provided with sealing plate (17), and the top of the sealing plate (17) is by nylon rope and around reel for rope (20) it connects, the top of cabinet (1) inner wall is equipped with controller (26) close to the side of dry powder box (7), and controller (26) be equipped with smoke detector (23) far from the one end of dry powder box (7), the smoke detector (23), put rope motor (19) and It receives turbin generator (15) to be electrically connected with controller (26), the controller (26) and extraneous power supply are electrically connected.

2. the dedicated explosion-proof electrical distribution box in a kind of oil field according to claim 1, it is characterised in that: the section of the baffle (4) For V-shaped structure, and active carbon nylon wire (24) is 2 ~ 3cm at a distance from dust gathering arrester (25) top.

3. the dedicated explosion-proof electrical distribution box in a kind of oil field according to claim 1, it is characterised in that: the sealing plate (17) and dust It covers (25) and constitutes fitting connection, and sealing plate (17) is hollow structure.

4. the dedicated explosion-proof electrical distribution box in a kind of oil field according to claim 1, it is characterised in that: the shield (2) is half Spherical structure.

5. the dedicated explosion-proof electrical distribution box in a kind of oil field according to claim 1, it is characterised in that: the electric telescopic rod (14) Including outer shell (1401), lead screw (1402) and inner rod (1403), the inside of the outer shell (1401) is equipped with lead screw (1402), nut bushing is slidably connected on the outer wall of the lead screw (1402), is welded on the side of the nut bushing interior Loop bar (1403), the inner rod (1403) far from lead screw (1402) position at friction pulley (13) are installed.

6. the dedicated explosion-proof electrical distribution box in a kind of oil field according to claim 1, it is characterised in that: the dry powder box (7) it is interior Portion is equipped with partition (9), and the partition (9) is equidistantly arranged on the inner wall of dry powder box (7).