CN1926289A - Portable fire hydrant systems - Google Patents

Abstract

The present invention is directed to portable fire hydrants and systems using portable fire hydrants. One such portable fire hydrant includes a hydrant body, a hydraulic cylinder coupled to the hydrant body, and a water main engagement system mechanism to the hydrant body. The water main engagement system comprises at least one locking member that cooperates with an actuator, extending from the hydraulic cylinder, to move between a first position to a second position. The portable fire hydrant is physically connected to a water main when the locking member is in the second position.

Description

Portable fire hydrant systems

The cross reference of related application

It all is the U.S. Provisional Application 60/496,498 on August 20th, 2003 and 60/496,514 interests that the application requires the applying date.The disclosure of these provisional application is incorporated in this and draws and is reference.

Technical field

The present invention designs portable fire hydrant and uses the system of this fire plug.

Background technology

Traditional fire fighting system comprises and is connected to a plurality of groundwater supply house steward pipe networks that are positioned at the fire plug on the face of land.This fire plug is typically made by cast iron or steel, and is exclusively used in specific pipe network position.Although it is gratifying that this system has been proved for some purposes, it has some shortcomings.For example and since fire plug be build by extremely hard material and be placed in ground surface, so they have brought safety hazard.Automobile or other vehicle can clash into this fire plug, thereby cause vehicle or/and the damage of fire plug.If fire plug is damaged, the hydraulic pressure in the water main will reduce.Similarly, people can touch the fire plug of permanent installation unintentionally and they are come to harm.

Because fire plug is arranged on the road kerb limit on the sidewalk usually, therefore other shortcoming can appear.For example, the quantity that can be used for the parking space has reduced.In the place of cold, must remove snow from the peripheral region of fire plug.In addition, because traditional fire plug is come-at-able, they for the purpose of amusement, especially are unlocked in the higher weather of temperature usually.The fire plug of opening will cause waterline or hydraulic pressure to reduce, and this will bring negatively influence near fire-fighting or normal commerce/domestic use.

Because these shortcomings have advised using portable fire plug.A kind of such fire plug is disclosed in U.S. Patent No. 5,901, and in 738, its disclosed content is incorporated in this and draws and is reference.Portable fire plug can carry and be installed on the water main so that water for fire to be provided by fire brigade.Because portable fire hydrant is not permanently to install, it is unlikely unexpectedly touched by vehicle or people.And,, therefore do not need to be arranged on the road kerb limit because it is dismountable.For example, it can be connected on the water main by the access hole that is positioned at street central authorities.This will discharge the parking space, reduce car blockage and will lead to the possibility of the passage of water main, and reduce the possibility of damaging.And can remove the snow from the street efficiently.

Summary of the invention

The present invention relates to the system of portable fire hydrant and use portable fire hydrant.Some preferred portable fire hydrant embodiment use hydraulic pressure system to be used at least one item of following function: fire plug physically is connected to water main, fire plug is sealed to water main, and unlatching water main valve flows through and flows out this portable fire hydrant to allow water.According to a preferred embodiment, provide a kind of now and comprised the fire plug main body, be connected to the hydraulic cylinder of this fire plug main body and be connected to the portable fire hydrant of the water main engaging mechanism of this fire plug main body.This water main engaging mechanism can comprise at least one locking member, and it is cooperated with the actuator that stretches out from hydraulic cylinder mutually so that move between the primary importance and the second place.This portable fire hydrant can physically be connected to water main when locking member is in the second place.

According to another preferred embodiment, provide a kind of now and comprised the fire plug main body, be connected to the water main engaging mechanism of this fire plug main body and be connected to the portable fire hydrant of the water main sealing mechanism of this fire plug main body.This engaging mechanism can comprise that at least one can move on to the locking member of bonding station from unengaged position.Sealing mechanism preferably includes distensible seal.And this engaged and sealing mechanism can interconnect, so that the driving of one of this mechanism can cause another driving.

According to the 3rd preferred embodiment, a kind of portable fire hydrant of the cryptomere seal that comprises the fire plug main body and can radially expand from this fire plug main body is provided now, and this cryptomere seal can be realized waterproof sealing between portable fire hydrant and water main element.

The present invention also provides a kind of portable fire hydrant systems that comprises portable fire hydrant and be used for this portable fire hydrant is fastened to the engaging mechanism of the water main pipeline that comprises a hydrant valve.This engaging mechanism comprises that one is fixed to the fire plug connector of fire plug main body, and this fire plug connector can be independent of the driving of hydrant valve and be fastened to water main.

The present invention also provides the portable fire hydrant systems with water main positioner and/or safety device.According to a preferred embodiment, a kind of portable fire hydrant systems is provided now, it comprises the water main pipeline that is configured to receive portable fire hydrant, leads to the passage of this water main pipeline and is used to discern the electronic signaling device of channel position.According to another preferred embodiment, a kind of portable fire hydrant systems is provided now, it comprises the water main pipeline that is constructed in order to the reception portable fire hydrant, lead to the passage of this water main pipeline and across this passage and comprise can be by the lid of the locking mechanism of electronics or magnetic deactivation (deactivation).

These of this new product and various further features and their advantages separately particularly pointed out in the appended claim of the present invention, and they have constituted a part of the present invention.But, in order to understand aspect of the present invention better, should be with reference to the accompanying drawing that constitutes another part of the present invention, and with reference to the description content of appended illustrative embodiment.Although described a plurality of embodiment here, but disclosure of the present invention comprises the various combinations of those embodiment, and should be appreciated that, in these combinations embodiment, be not that all features among the embodiment all must be included in all features of another embodiment.

Description of drawings

Fig. 1 is the phantom drawing with street of the water main passage that is the manhole form;

Fig. 2 is the partial sectional view of the manhole cover of manhole and the positioner with the one surface of being fixed to;

Fig. 3 is the sectional view according to a preferred safety device embodiment of the present invention;

Fig. 4 is the sectional view of another preferred security device embodiment;

Fig. 5 is the phantom drawing by provided by the present invention one preferred portable fire hydrant embodiment;

Fig. 6 is the partial sectional view that is fixed to the portable fire hydrant of water main according to of the present invention;

Fig. 7 is to use the partial sectional view of a preferred water main engaging mechanism of hydraulic pressure system;

Fig. 7 B is with the detailed view of the dashed region of 7b indication among Fig. 7;

Fig. 8 is the partial sectional view of the second preferred water main engaging mechanism and water main sealing mechanism;

Fig. 8 B is with the detailed view of the dashed region of 8b indication among Fig. 8;

Fig. 9 is the partial sectional view with portable fire hydrant embodiment of the water main engaging mechanism that interconnects with house steward's sealing mechanism;

Fig. 9 B is with the detailed view of the dashed region of 9b indication among Fig. 9;

Figure 10-Figure 16 is the partial sectional view that need not the water main engaging mechanism of the replacement that hydraulic pressure system drives;

Figure 17-the 21st can be used for the sectional view of the example seal embodiment that links to each other with water main engaging mechanism of the present invention;

Figure 22 is that it need not the driving of hydraulic pressure system according to the partial sectional view of water main sealing mechanism embodiment of the present invention;

Figure 23 is the sectional drawing of a preferred side direction valve provided by the present invention and tube head coupling embodiment;

Figure 24 is the sectional drawing of the provided by the present invention second preferred side direction valve and tube head coupling embodiment;

Figure 25 is the sectional drawing of the provided by the present invention the 3rd preferred side direction valve and tube head coupling embodiment.

The specific embodiment

The present invention relates to the system of portable fire hydrant and this fire plug of use.When report had fire, the location at first will be paid close attention near the water main source of fire.One of technical characterictic provided by the invention is exactly the water main positioner that can send framing signal to corresponding fire brigade.Except geodata, this positioner also can send and receive out of Memory.By the method for example, and with reference to Fig. 1 and 2, the water main passage 1 that is the manhole form can be located by this positioner.One exemplary positioner 3 is secured to the downside of manhole cover 5.In a preferred embodiment, positioner 3 comprises radio frequency (RF) transmitter.Another preferred positioner 3 comprises a HA Global Positioning Satellite instrument.Though shown positioner is secured to manhole cover 5, optionally, near other underground structure also can being secured to, for example, water main pipeline, or near the superstructure being fastened to, for example electric pole.

In case orient selected water main passage, the fireman must remove the article that manhole cover and any obstruction are led to the groundwater supply house steward.In order to prevent to enter without authorization manhole, the present invention also provides a kind of safety device.Fig. 3 shows a preferred safety device---and one is positioned at the lockable cover plate 7 of manhole cover 5 belows.Cover plate 7 uses stop pin 9 (for example stop pin that extends radially outwardly on its latched position) to prevent moving of cover plate.One electronic keyboard 11 is positioned on the top surface 13 of cover plate 7.When importing correct code, stop pin 9 withdrawals also allow cover plate 7 to be removed.Magnetic technique can replace the electronics deactivation to be used for making cover plate 7 releases, for example makes the stop pin withdrawal by magnet.Fig. 4 shows the cover plate 15 with stop pin 17, and this stop pin can be by being exposed in the suitable magnetic field and withdrawn in the mode of magnetic.Also can use standby deactivation mechanism, for example a mechanically combining device or a key lock apparatus.This standby deactivation mechanism also can be used as principal organ, and electronics and magnetic technique provide standby desactivation simultaneously.In addition, manhole cover self can adopt according to safety component of the present invention, so that do not need independent lid (for example, cover plate 7).

Owing to can freely lead to water main, can be connected to this water source according to portable fire hydrant of the present invention.Before Fig. 5 and 6 shows and is connected with water main standpipe 20 be connected after preferred portable fire hydrant 19.Water main engaging mechanism and water main sealing mechanism are preferably used in this connection simultaneously.This engaging mechanism provides mechanical integrity (that is fastness); Sealing mechanism provides waterproof sealing.

Referring now to Fig. 7 and 7B, wherein show a preferred engaging mechanism that uses hydraulic pressure.Portable fire hydrant 19 comprises a fire plug main body 23, and it has a hydraulic cylinder 25 that stretches out from the center of top area 27.Hydraulic cylinder 25 comprises actuator lever 29, be used for driving the piston 31 of actuator lever 29 downwards and be used for making actuator lever 29 upwards be back to the spring 33 of resting position when piston 31 removes at hydraulic pressure.Hand pump 35 is fixed to the fire plug main body and also this hydraulic pressure is applied to piston 31 to be used to producing hydraulic pressure.Though hand pump 35 is illustrated and for good and all is connected to fire plug main body 23, portable fire hydrant can be designed to accept dismountable hand pump or other stand by pump, for example, itself is of portable form or is connected to electric power or battery-driven pump on the fire fighting truck.

A pair of relative locking member 37 is positioned at the bottom section 36 of fire plug main body 23.Also can use varying number or heteroid locking member.Each locking member 37 comprises the stop pin 39 that is connected to spring-loaded plunger 41 threadably.Locking nut 43 remains on the engaging mechanism assembly in the fire plug main body 23.Shown locking member is in disengaged position, and wherein stop pin 39 is withdrawn at least and flushes with the external surface 45 of fire plug main body.When power was applied to spring-loaded plunger 41, spring 42 was compressed, and stop pin 39 stretches out so that engage water main pipeline or plumbing fitting, for example the pipe jointer of trough of belt.A kind of mode that power is applied to spring-loaded plunger 41 is the actuator lever 29 by the hydraulic pressure operation.Also can use another actuator types, for example fin or gear.And pneumatic or manipulator also can be used as substituting of hydraulic pressure system and is used.

In a preferred embodiment, and shown in Fig. 7 and 7B, the collar 47 is arranged on the actuator lever 29, and this collar has the cam face 49 that is limited by taper.The collar 47 can be fixed to actuator lever 29 in many ways, for example comprises, uses alignment pin, welds by being threaded and passing through.Optionally, actuator lever itself can be machined so that camming or other interactional surface to be provided, thereby does not need the collar.Handle hand pump 35, cause hydraulic pressure that piston 31 is pressurizeed so that drive actuator lever 29 downwards.Along with actuator lever moves down, the collar face 49 of this camming or taper is further to spring-loaded plunger 41 application of forces, thereby causes stop pin 39 to move to bonding station from their unengaged position.

When hydraulic pressure when piston 31 removes, spring 33 makes actuator lever 29 be back to its initial position, and spring 42 makes stop pin 39 be back to their unengaged position.This portable fire hydrant can unload from water main subsequently.

The portable fire hydrant 53 of another embodiment is shown in Fig. 8 and the 8B.In this embodiment, hydraulic pressure not only is used to drive the water main engaging mechanism, also is used to drive the water main sealing mechanism.This engaging mechanism and Fig. 7 parts similar with the embodiment shown in Fig. 7 B will have identical Reference numeral.Sealing mechanism comprises cryptomere seal 55, and this cryptomere seal can be expanded under the effect of the pressurized hydraulic fluid 57 that is arranged in the pair of hydraulic cylinders 59 that aligns mutually with locking member 37.The profile of cryptomere seal 55 is preferably annular, and also is arranged on serially around the circumferential edge of fire plug main body.Also can use the cryptomere seal that has other capsule geometry and limited by a plurality of discontinuous capsule bags.

Each hydraulic cylinder 59 comprises spring-loaded plunger 61, is connected to piston 63, back-moving spring 65 and the locking nut 67 of spring-loaded plunger 61 threadably.The actuator lever collar 69 has the cam face taper in 71: the first 73 that is limited by biconial and is used to drive the water main sealing mechanism, and second taper 75 is used to drive the water main engaging mechanism.Handle hand pump 35, cause hydraulic pressure that piston 31 is pressurizeed so that with downward driving actuator lever 29.Along with actuator lever moves down, first conical surface 73 is to the spring-loaded plunger 61 and piston 63 application of forces.Piston displacement is to 57 pressurizations of the hydraulic fluids in the cylinder 59, and force this fluid by the hole in the locking nut 67 79 so that make 55 expansions of cryptomere seal.Second conical surface 75 is to drive engaging mechanism with Fig. 7 and the similar mode of Fig. 7 B illustrated embodiment.This first and second taper can make engaged and sealing carry out simultaneously basically with respect to the geometry and the relative positioning of separately spring-loaded plunger.But the cam face of the collar, the cam face that does not perhaps have the actuator self of the collar can be modified to change engaged and sealing order and mode.

The present invention also can provide the portable fire hydrant with interconnected engaged and sealing mechanism.For example, and with reference to Fig. 9 and 9B, fire plug main body 81 comprises a pair of relative hydraulic cylinder 83, and this hydraulic cylinder links to each other with locking member 85, and by fluid conduit systems 91 hydraulic fluid 87 is connected with distensible cryptomere seal 89.Each hydraulic cylinder 83 comprises spring-loaded plunger 93, back-moving spring 97, overload spring 99 and the stop pin 101 that is connected to piston 95.The displacement of spring-loaded plunger 93 and piston 95 causes that stop pin 101 extends radially outward to a bonding station, so that the fire plug main body is fastened to water main or accessory.This displacement is also pressurizeed fully to the hydraulic fluid 87 that is arranged in cylinder 83 and fluid conduit systems 91, realizes waterproof sealing so that make 89 expansions of cryptomere seal.Shown in Fig. 9 B, this displacement can cause that actuator lever 103 moves down by the effect that use is positioned at the collar 105 of far-end and take place.The collar 105 has and spring-loaded plunger 93 interactional cam faces 107.In Fig. 9 B, actuator lever 103 is extended by hydraulic pressure hand pump 109; Similarly, also can make otherwise.

The actuator lever that is shown among the portable fire hydrant embodiment of Fig. 7-9 can also be opened the water main valve to allow current through this portable fire hydrant.For example, and with reference to Fig. 6, the actuator lever in this portable fire hydrant embodiment can engage with second actuator lever 300 in being arranged on the erect riser 20 that extends out from water main 314.When the actuator lever that this second actuator lever 300 is subjected in the portable fire hydrant is done the time spent, this second actuator lever mobile hydrant valve 320 from the valve seat 324, so that water can flow out from water main, the erect riser of upwards flowing through, and flow through portable fire hydrant subsequently.One or more back-moving springs 330 can be connected to this second actuator lever 300, to be used for when this mechanism removes hydrant valve 320 being resetted at hydraulic pressure.

Therefore, by hydraulic pressure hand pump (or other pump) simply moves up and down and can realize three functions.By the method for example, and by with the similar fire plug embodiment that is shown in Fig. 9, junior three stroke of hand pump engages with what prevent fire plug stop pin and vertically moves but allow its 360 degree rotation; The the 4th to six stroke makes the expansion of cryptomere seal; And the 7th to 28 stroke opened the water main valve.These three functions were preferably finished in 20 seconds.

Water main engaged and sealing mechanism shown in Fig. 7-9 relies on the interaction between the actuator lever and the collar to exert pressure to the element (for example, stop pin and distensible seal) of this mechanism.In the alternative embodiment under the present invention's design, power can directly be applied to the element of this mechanism by the hydraulic fluid of hand pump or the pressurization of other auxiliary pump.That is, do not need to insert actuator lever or other mechanical organ.For example, can use two-stage hydraulic cylinder or the hydraulic fluid conduit that is communicated with the main hydraulic cylinder fluid.This structure can provide the system with fail safe, just in case occur losing efficacy, this system can allow to close whole operation---and hydrant valve is closed and portable fire hydrant disconnects joint from water main.

Referring now to Figure 10-16, show the water main mating system and the mechanism of a plurality of replacements, they need not to use the auxiliary of hydraulic pressure system.These engaging mechanisms generally include two critical elements: the fire plug connector that 1) is fixed to the fire plug main body; With 2) can be fixed to the pipe jointer of water main.As shown in figure 10, fire plug connector 111 is included in vertically extending axle 113 and a plurality of isolated fin 117 that goes out from this shaft extension in the fire plug main body 115.In specific preferred embodiment, can use three fins.This fin can form with axle, perhaps can form separately then by for example being welded and fixed to axle.Each fin 117 has the threaded portion 119 that can match with the threaded portion 121 on the pipe jointer 123.In order to use this mechanism to connect portable fire hydrant, the fireman aims at two threaded portions and rotates this fire plug, up to obtaining fastening connection.

Another fire plug connector 125 that is shown in Figure 11 comprises a plurality of lugs 127 that stretch out from the external surface 129 of fire plug main body.Lug 127 can stretch out from the continuous loop that is arranged on the fire plug main body; Lug 127 can be used as discontinuous element and extends.Corresponding pipe jointer 131 uses the multidirectional slit of respective numbers---preferably include the vertical slot (not shown) that terminates in the horizontal slot 133.This lug falls within the single vertical slot, and this fire plug is rotated so that this lug is positioned in the horizontal slot, in order to prevent that fire plug from moving up and to break away from water main.Preferably, one or more horizontal slot have cam face, conical surface for example, and wherein lug moves on this conical surface, strains so that this is connected in the rotary course.

Figure 12 shows a fire plug connector 135 that is generally the extension of fire plug main body 137, and this fire plug main body has a plurality of multidirectional slits 139 that are formed at wherein.Pipe jointer 141 uses pin 143, and each pin can be inserted in in the described multidirectional slit 139 one.As noted above, at least one multidirectional slit preferably has cam face, connects so that more reliable fire plug one water main to be provided.Similarly engaging mechanism is shown in Figure 13, and here, fire plug connector 144 uses and is formed on the fire plug main body rather than is formed at multidirectional slit 145 in the ring 147 on the horizontal-extending element.Ring 147 can have discontinuous structure around the fire plug main body, so that the slit that only is positioned on the single direction (for example horizontal direction) can randomly be used.The pipe jointer of this cooperation has the parts similar to the pipe jointer of Figure 11 (and similar Reference numeral).

Referring now to Figure 14, the exemplary engaging mechanism of another shown in it comprises the fire plug connector 149 that can cooperate with pipe jointer 151.Fire plug connector 149 comprises, and a plurality of (being preferably two) are fixed to the toggle clamp 153 of fire plug external surface.Pipe jointer 151 has groove 157, and it can be continuous or comprises discontinuous groove part.Each toggle clamp 153 has arm 159 and is positioned at the breech lock 161 that can be engaged to groove 157 on the end of this arm.When this toggle clamp when the enable possition moves to make position, this arm withdrawal connects closely realizing.

The embodiment of another engaging mechanism is shown in Figure 15.This mechanism comprises the fire plug connector 163 with spring-loaded hinge 165, and wherein this hinge has the locking piece 167 that is positioned at its end, for example spherical.The pipe jointer 169 that can cooperate has locking piece 167 and is coupled to wherein groove 171.By pipe jointer 169 is fastened to the water main that just in time is provided with fire plug thereon, and move down under the active force of minimum, locking piece 167 can outwards move and be engaged in subsequently in the groove 171 via the compression of spring 173.In order to remove or relocate fire plug, the only outside turning joint 165 of fireman preferably outwards rotates this hinge under without any the help of instrument, disconnects with groove 171 up to locking piece 167 engaging.

Referring now to Figure 16, exemplary engaging mechanism comprises-has that the fire plug connector 175 and of first lug 177 has the pipe jointer 179 of second lug 181.Corresponding lug 177,181 is designed to be combined together.Such engaging mechanism typically is Stortz type connector.Though shown lug is the L type, the present invention includes other geometry.

Seal preferably uses between fire plug connector and pipe jointer surface.The sealing part has been simplified closely mechanical engagement and provide waterproof sealing between fire plug and water main.Figure 17-Figure 21 has described a plurality of preferred seal type and layout.Although the connector that cooperates that the sealing part only is depicted as with a type uses (being similar to connection shown in Figure 11), the sealing part can be suitable for using in the fire plug that cooperates of other type and pipe jointer.And can use more than one seal in some cases.

Referring now to Figure 17, show the flat rubber face seal 183 between the respective horizontal face 185,187 that is arranged on fire plug connector 125 and pipe jointer 131.Figure 18 shows preferably the lip-type seal spare 189 of the Stortz type of being made by mouldable elastomeric material.The thin section of this lip-type seal spare allows the sealing part to be easier to bending/compression.And the hydraulic pressure of fire plug body interior can help to set up sealing more closely.Spring energized TPFE surface cup seal 191 is shown among Figure 19.The relative side that the sheet spring of these cup seal 191 inside forces the sealing part scatter with respect to the respective horizontal face 185,187 of fire plug connector and pipe jointer.As shown in figure 20, the cup seal among Figure 19 191 also can be positioned between the corresponding vertical surface 193,195 of the fire plug connector of cooperation and pipe jointer.At last, Figure 21 shows the radially banded seal 197 of TPFE of the O-type ring excitation between corresponding vertical surface 193,195.

Similar to the optional water main mating system that is shown in Figure 10-Figure 16, the water main sealing mechanism of this replacement need not the auxiliary of hydraulic pressure system.For example, with reference to Figure 22, a kind of portable fire hydrant comprises the fire plug main body 203 with sidewall 205, is arranged on the conduit 207 in the fire plug main body 203 and is arranged in the cryptomere seal 209 of the recess 211 of sidewall 205.Different fluids and gas medium can be communicated with by conduit 207, so that make 209 expansions of cryptomere seal or expansion.The valve rod (not shown) can stretch out from the top of fire plug main body, so that for example compressed air or water can be introduced into passage.

The water main pipe-line system is typically used the underground hydrant valve, and this hydrant valve is driven by the fire plug parts and it allows current to flow out through this fire plug and from this fire plug in the fire-fighting process.For make nonvolatil or portable fire hydrant (for example, by portable fire hydrant provided by the invention) for ease of maintenaince, side direction valve and tube head coupling (seeing 340 among Fig. 6) can be arranged on water main and vertically stretch out being used to from this water main and be connected between the connecting pipe of fire plug.This side direction valve 344 can be by for example being inserted in the manhole cover (or other water main passage) and manual actuated levers 348 drivings adjacent with vertical connecting pipe.Pneumatic or hydraulic pressure system also selectively in order to driving side to valve.Figure 23-Figure 25 shows the embodiment of three preferred side direction valves and tube head coupling, and each in them all comprises side direction valve 212 and the connector 213 that is used for the fire plug erect riser.Shown embodiment changes with the quantity that available pipeline is connected according to their structure.

Although be appreciated that in a plurality of feature and advantage of the present invention manual in front and made description with detailed structure of the present invention and function, these are open only to be exemplary.Therefore, in the scope of the principle of the invention, the details of parts, especially its shape, size and layout can change to by the expressed total widely represented degree of implication of the term of claims.

Claims (40)

1, a kind of portable fire hydrant comprises:

The fire plug main body;

Be connected to this fire plug main body and comprise the hydraulic cylinder of actuator; With

Be connected to the water main engaging mechanism of this fire plug main body, this engaging mechanism comprises at least one locking member, and this locking member is cooperated with this actuator and moved in primary importance with between the second place that is used for engaging with the water main element.

2, portable fire hydrant according to claim 1 also comprises the water main sealing mechanism that is connected to this fire plug main body, and sealing mechanism comprises can be from the inner surface of fire plug main body or the seal of external surface expansion.

3, portable fire hydrant according to claim 2, wherein this water main sealing mechanism and water main connected structure interconnect, so that this at least one locking member carries out with the expansion of sealing part substantially simultaneously to moving of the second place.

4, portable fire hydrant according to claim 1, also comprise the water main sealing mechanism that is connected to this fire plug main body, sealing mechanism comprises second hydraulic cylinder that has piston and be arranged at hydraulic fluid wherein: the distensible seal that is communicated with this second hydraulic cylinder fluid; And plunger, it is cooperated with actuator and mobile piston is made sealing part expansion so that hydraulic fluid pressurizes fully.

5, portable fire hydrant according to claim 2, wherein actuator comprises the axle and the collar that is fixed to this, and this collar comprises cam face.

6, portable fire hydrant according to claim 5, wherein cam face comprises second taper that is used to drive first taper of water main sealing mechanism and is used to drive the water main engaging mechanism.

7, portable fire hydrant according to claim 1, wherein the water main engaging mechanism comprises second hydraulic cylinder that has piston and be arranged at hydraulic fluid wherein, and plunger, described plunger comprises the first end that is used for engages actuator and is used to engage the second end of piston; And this at least one locking member is communicated with the second hydraulic cylinder fluid, thereby moving of piston will cause this at least one locking member to shift to its second place from its primary importance.

8, portable fire hydrant according to claim 7 also comprises the water main sealing mechanism, and it comprises distensible seal, and is inserted in the fluid conduit systems between this distensible seal and second hydraulic cylinder.

9, portable fire hydrant according to claim 1 also comprises being connected to the fire plug main body to be used for the hand pump to the pressurized with fluid in the hydraulic cylinder.

10, a kind of portable fire hydrant comprises:

The fire plug main body;

Be connected to the water main engaging mechanism of this fire plug main body, this engaging mechanism comprises that at least one can move on to bonding station so that engage the locking member of water main element from unengaged position; With

Be connected to the water main sealing mechanism of this fire plug main body, sealing mechanism comprises distensible seal;

Wherein this engaging mechanism and sealing mechanism interconnect, thereby one driving in engaging mechanism and the sealing mechanism causes another the driving in engaging mechanism and the sealing mechanism.

11, according to the portable fire hydrant of claim described 10, wherein in engaging mechanism and the sealing mechanism comprises hydraulic cylinder, and engaging mechanism and sealing mechanism interconnect by fluid conduit systems.

12, a kind of portable fire hydrant comprises:

The fire plug main body; With

The cryptomere seal that can radially expand from this fire plug main body is to be used for setting up waterproof sealing between this portable fire hydrant and water main element.

13, portable fire hydrant according to claim 12, wherein this cryptomere seal is expanded under the effect of gaseous medium.

14, portable fire hydrant according to claim 12, wherein this cryptomere seal is expanded under the effect of liquid medium.

15, portable fire hydrant according to claim 12, wherein the fire plug main body comprises the conduit that is arranged at wherein and ends at described cryptomere seal, this conduit is used for fluid media (medium) is communicated to described seal.

16, portable fire hydrant according to claim 12, wherein the fire plug main body comprises the hydraulic cylinder that is communicated with and has piston and be arranged at hydraulic fluid wherein with cryptomere seal fluid, and this cryptomere seal can be expanded by moving of piston.

17, a kind of portable fire hydrant systems comprises:

The portable fire hydrant that comprises the fire plug main body; With

Be used for this portable fire hydrant is fastened to the engaging mechanism of the water main that wherein has hydrant valve, this engaging mechanism comprises the fire plug connector that is fixed to this fire plug main body, and what this fire plug main body can be independent of hydrant valve is fastened to water main drivingly.

18, system according to claim 17, wherein engaging mechanism also comprises the pipe jointer that can match with the fire plug connector and can be fixed to the water main standpipe.

19, system according to claim 18, wherein the fire plug connector comprises the axle that is arranged on the fire plug body interior; With at least one from this radially-protruding fin, this at least one fin comprises the threaded portion that can match with the threaded portion of pipe jointer.

20, system according to claim 18, wherein the fire plug connector comprises a plurality of lugs that stretch out from the external surface of fire plug main body; And this pipe jointer comprises a plurality of multidirectional slits, and each slit is constructed to receive in these a plurality of lugs.

21, system according to claim 18, wherein the fire plug connector comprises a plurality of multidirectional slits; And this pipe jointer comprises a plurality of pins, and each pin can be inserted in these a plurality of multidirectional slits.

22, system according to claim 21, wherein these a plurality of multidirectional slits are arranged on from the ring that the external surface of fire plug main body stretches out.

23, system according to claim 18, wherein the fire plug connector comprises a plurality of toggle clamps that stretch out from the external surface of fire plug main body, each toggle clamp all has breech lock; And this pipe jointer comprises the groove that is configured to receive described breech lock.

24, system according to claim 18, wherein the fire plug connector comprises spring-loaded hinge, it has from spherical that wherein stretches out; And this pipe jointer comprises being configured for and receives this groove of spherical.

25, system according to claim 18, wherein the fire plug connector comprises first lug that stretches out from the external surface of this fire plug main body; And this pipe jointer comprises second lug that can match with this first lug.

26, system according to claim 18 comprises that also at least one is arranged on the seal between fire plug connector and the pipe jointer.

27, a kind of portable fire hydrant systems comprises:

Be arranged at underground and be configured to receive the water main pipeline of portable fire hydrant;

The passage that leads to this water main pipeline from ground; With

Approach this passage to be used to discern the electronic signaling device of this channel position.

28, system according to claim 27, wherein this electronic signaling device comprises radiofrequency launcher.

29, system according to claim 27, wherein this electronic signaling device comprises the HA Global Positioning Satellite device.

30, system according to claim 27, wherein this electronic signaling device is fixed to the lid that is arranged on the passage.

31, system according to claim 27 also comprises portable fire hydrant according to claim 1.

32, system according to claim 27 also comprises portable fire hydrant according to claim 10.

33, system according to claim 27 also comprises portable fire hydrant according to claim 12.

34, a kind of portable fire hydrant systems comprises:

Be arranged at underground and be configured to receive the water main pipeline of portable fire hydrant;

The passage that leads to this water main pipeline from ground; With

Across the lid of this passage, this lid comprises can be by the locking mechanism of electronics or magnetic deactivation.

35, system according to claim 34, wherein this locking mechanism uses the electronic keyboard deactivation that is arranged on this lid.

36, system according to claim 34, wherein this locking mechanism comprises a plurality of pins, when this pin was exposed in the magnetic field, it shifted to unengaged position from bonding station.

37, system according to claim 34 also comprises portable fire hydrant according to claim 1.

38, system according to claim 34 also comprises portable fire hydrant according to claim 10.

39, system according to claim 34 also comprises portable fire hydrant according to claim 12.

40, a kind of portable fire hydrant systems comprises:

Be arranged at underground and be configured to receive the water main pipeline of portable fire hydrant;

Be arranged on side direction valve and tube head coupling between this water main pipeline and the portable fire hydrant connecting pipe.

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