CN207349196U - A kind of escape manhole hydraulic control circuit - Google Patents
A kind of escape manhole hydraulic control circuit Download PDFInfo
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- CN207349196U CN207349196U CN201721399871.0U CN201721399871U CN207349196U CN 207349196 U CN207349196 U CN 207349196U CN 201721399871 U CN201721399871 U CN 201721399871U CN 207349196 U CN207349196 U CN 207349196U
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Abstract
The utility model provides a kind of escape manhole hydraulic control circuit, belongs to municipal administration synthesis pipe gallery and tunnel field.Including fixed opening and closing device, mobile opening and closing device and connecting pipe, stream oriented device, which is connected in parallel, not to be interfere with each other.Fixed opening and closing device is used for realizing the inside opening and closing of hydraulic pressure well lid, manually pump and pressure oil is produced in the case of without power supply, opening and closing of the escape manhole out of piping lane or tunnel is realized by hydraulic cylinder under the action of control valve block, for the emergency escape in piping lane or tunnel or maintenance.Mobile opening and closing device control method is consistent with fixed opening and closing device, and difference is to use move mode, in piping lane or tunnel outer control hydraulic cylinder, the exterior opening and closing of escape manhole is realized, for the emergency relief or maintenance outside piping lane or tunnel.The utility model has the characteristics that simple in structure, easy to operate, cost is low, emergency escape response is fast, safe and reliable.Meanwhile the utility model is Non-energy-consumption device, manual hand manipulation, is very suitable for for this dispersed placement facility of escape manhole.
Description
Technical field
The utility model belongs to municipal administration synthesis pipe gallery and tunnel field, is related to a kind of escape manhole hydraulic control circuit.
Background technology
The design of lockup equipment of existing municipal administration synthesis pipe gallery and tunnel well cover mainly considers that maintenance and anti-theft feature, structure are more
For the mechanical transmission mechanism such as bolt and pick-proof fastener or rack-and-pinion.It need to generally be opened using special tool(s), especially large-scale well
Lid unlatching takes time and effort, complex steps, can not meet that modern municipal administration synthesis pipe gallery and tunnel quickly open the requirement of escape.And
Most well lids only consider unidirectionally to be opened and closed, and are not suitable for the needs of two-way escape operating mode.Meanwhile existing escape manhole opening and closing device is often
Complete configuration, causes flexibility insufficient, working environment is severe, Maintenance and Repair are difficult, and many opening and closing devices go to work braving one's illness throughout the year.It is few
Number safeguards commissioning requirements height, cost is higher, no using electric appliance or the large-scale escape manhole of motor+hydraulic pump drive, system complex
Easily promote the use of, while this system needs to be provided for a long term power supply, there are the security risk of power supply reliability, and is mostly fixed dress
Put, mobility is poor.When running into fire when emergency, easily there is well lid and open slow or even can not open, cause
Loss of personal property.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of escape manhole hydraulic control circuit, so as to fulfill from
Well lid fast-escape annexs the purpose of daily well lid pick-proof, exterior opening and closing rescue and maintenance.
To reach above-mentioned purpose, the utility model provides following technical solution：
A kind of escape manhole hydraulic control circuit, comprising fixed open and close controlling circuit, the fixed open and close controlling circuit bag
Containing sequentially connected oil module, manual pump unit and valve terminal, the fixed open and close controlling circuit also includes I He of interface end
Interface end II；
The oil module includes fuel tank and breathing helmet, and the breathing helmet is arranged on the fuel tank；
The manual pump unit includes pump and safety valve manually, and the pump manually is arranged between fuel tank and interface end I, uses
Control valve group is supplied in producing pressure oil；
The valve terminal includes counterbalance valve, pick-proof ball valve, throttle valve and declines ball valve, the import of the counterbalance valve and institute
The one end for stating pick-proof ball valve is connected, and the other end of the pick-proof ball valve is connected to interface end II, the outlet connection of the counterbalance valve
To the fuel tank, one end of the throttle valve is connected to the import of the counterbalance valve, one end of the other end and the decline ball valve
Connection, described one end for declining ball valve are connected to the outlet pumped manually；
The input end of the safety valve is arranged on the outlet pumped manually, the port of export be arranged on the back pressure valve outlet with
On the pipeline that fuel tank is connected；
The fixed open and close controlling circuit is fixed in the piping lane or tunnel under hydraulic pressure escape manhole, for escaping or overhauling
When hydraulic pressure well lid inside opening and closing.
Further, the inlet and outlet pumped manually are both provided with check valve, unidirectional for flowing through the pressure oil pumped manually
Flowing.
Further, the oil module also includes filter, and the filter is arranged on the oil inlet end pumped manually, and
It is placed in the fuel tank, plays the filtration to the oil inlet of pump manually.
Further, the handle end for declining ball valve is connected with drawstring.
Further, oil ga(u)ge is additionally provided with the fuel tank, the oil ga(u)ge is used for the oil level for observing the fuel tank.
Further, delivery gauge I and outlet are respectively arranged with the pipeline corresponding to the interface end I and interface end II
Pressure gauge II, for indicating the oil pressure at interface end I and interface end II；
Pressure measuring tie-in is also respectively provided with the pipeline of the delivery gauge I and delivery gauge II, for pipeline
Exhaust and pressure measurement.
Further, the escape manhole hydraulic control circuit is also comprising mobile open and close controlling circuit, the mobile opening and closing control
The structure in circuit processed is identical with the structure in the fixed open and close controlling circuit, and the mobile open and close controlling circuit is arranged on movable type
On trolley, the exterior opening and closing of hydraulic pressure well lid when escaping or overhaul for external rescue.
The beneficial effects of the utility model are：
(1) the utility model provides a kind of hydraulic control for municipal administration synthesis pipe gallery and tunnel hydraulic pressure escape manhole and returns
Road, has the characteristics that simple in structure, easy to operate, cost-effective, emergency escape response is fast, safe and reliable.
(2) the utility model is Non-energy-consumption device, and manual hand manipulation is very suitable for this dispersed placement of escape manhole
Close.
(3) the utility model can effectively meet the two-way escape operating mode of escape manhole, can be not only used for municipal synthesis
The emergency escape of piping lane and tunnel, while can be used for the maintenance repair and maintenance in piping lane and tunnel.
(4) the utility model can effectively realize external off, the closing velocity opened after self-locking, escape of escape manhole
Adjusting, pick-proof and anti-theft and external rescue open function.
Brief description of the drawings
In order to make the purpose of this utility model, technical solution and beneficial effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the hydraulic control circuit structure diagram of the utility model；
Fig. 2 is the hydraulic control circuit schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
Illustrate the embodiment of the utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that in situation about not conflicting
Under, the feature in following embodiments and embodiment can be mutually combined.
It should be noted that the diagram provided in following embodiments only illustrates the basic of the utility model in a schematic way
Conception, then only the display component related with the utility model rather than component count, shape during according to actual implementation in schema
And size is drawn, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout
Kenel may also be increasingly complex.
The utility model provides a kind of hydraulic control circuit for being used for municipal administration synthesis pipe gallery and tunnel hydraulic pressure escape manhole, bag
Include fixed opening and closing device 1.1, mobile opening and closing device 1.2, escape manhole hydraulic cylinder 2 and connecting pipe, fixed opening and closing device 1.1
Control hydraulic circuit and mobile opening and closing device 1.2 control the control method of hydraulic circuit consistent, the control of two hydraulic circuits is mutual not
Interference, can be respectively from the inside and outside opening and closing hydraulic pressure escape manhole of piping lane.
Fixed opening and closing device 1.1 and move opening and closing device 1.2 hydraulic control circuit principle be as, such as Fig. 1 and 2,
Element numbers 2-15 in attached drawing 2 is represented respectively：Escape manhole hydraulic cylinder 2, fuel tank 3, manual pump unit 4, valve terminal 5, oil
Mark 6, breathing helmet 7, manually filter 8, pump 9, safety valve 10, decline ball valve 11.1, pick-proof ball valve 11.2, throttle valve 12, back pressure
Valve 13, pressure measuring tie-in 14.1, pressure measuring tie-in 14.2, delivery gauge I 15.1, delivery gauge 15.2.
Fixed opening and closing device 1.1 includes sequentially connected oil module, manual pump unit 4 and valve terminal 5, fixed opening and closing
Device 1.1 also includes interface end I and interface end II, and interface end I and interface end II are used for the rodless cavity with escape manhole hydraulic cylinder 2
Connected with rod chamber.Oil module includes fuel tank 3 and breathing helmet 7, and breathing helmet 7 is arranged on fuel tank 3.
Manual pump unit 4 includes pump 9 and safety valve 10 manually, and pump 9 is arranged between fuel tank 3 and interface end I manually, is used for
Pressure feed is produced so as to control valve group.
Valve terminal 5 includes counterbalance valve 13, pick-proof ball valve 11.2, throttle valve 12 and declines ball valve 11.1, counterbalance valve 13
Import is connected with one end of pick-proof ball valve 11.2, and the other end of pick-proof ball valve 11.2 is connected to interface end II, and counterbalance valve 13 goes out
Mouth is connected to fuel tank, and one end of throttle valve 12 is connected to the import of counterbalance valve 13, and the other end connects with declining one end of ball valve 11.1
Connect, the one end for declining ball valve is connected to the outlet of pump 9 manually.
The input end of safety valve 10 is arranged on the outlet of pump 9 manually, and the port of export of safety valve 10 is arranged on counterbalance valve 13
Export on the pipeline being connected with fuel tank 3.Fixed opening and closing device 1.1 is fixed in the piping lane or tunnel under hydraulic pressure escape manhole, is used
The inside opening and closing of hydraulic pressure well lid when escape or maintenance.
For embodiment when specifically used, operation is as follows：
Open escape manhole：
When opening hydraulic pressure escape manhole from piping lane or tunnel internal, by the pick-proof of the valve terminal 5 of fixed opening and closing device 1.1
Ball valve 11.2 is opened, and the rod chamber of escape manhole hydraulic cylinder 2 is connected with the A mouths of counterbalance valve 13, the B mouths connection fuel tank of counterbalance valve 13
3.At this time, the outlet of pump 9 is connected with the rodless cavity of escape manhole hydraulic cylinder 2 manually, is declined ball valve 11.1 and is closed.People
Work manual operation pumps 9 pressurized handgrip manually, and the inlet port of pump 9 enters the pump housing by filter 8 manually, and pressure is produced after pressurization
Oil, pressure oil enter the rodless cavity of escape manhole hydraulic cylinder 2 by pipeline, and the fluid of 2 rod chamber of escape manhole hydraulic cylinder passes through
Pick-proof ball valve 11.2 and counterbalance valve 13 return to fuel tank 3, so as to quickly open escape manhole.The oil inlet and outlet of pump 9 has unidirectionally manually
Valve, when escape manhole is opened, pressure oil can not reverse flow, escape manhole is constantly in open shape during personnel escape
State, effectively prevent escape manhole and causes the possibility of personal injury since oil liquid leakage glides.Opening pressure can be pressed by exporting
Power table 15.1 measures.Air in escape manhole hydraulic cylinder 2 and pipeline can be discharged by pressure measuring tie-in 14.1 and 14.2.In order to protect
Shield hydraulic control system superpressure causes equipment damage, in the outlet parallel connection safety valve 10 of manual pump 9, the safety valve in system overpressure
High pressure oil is discharged into fuel tank 3 by 10 automatic openings.
When opening escape manhole from piping lane or tunnel outer, mobile opening and closing device 1.2 is connected to system pipes outside piping lane
Lu Zhong, the flow of operating method is identical with the workflow of above-mentioned internal unlatching, does not repeat one by one herein.
Close escape manhole：
When closing escape manhole or personnel's completion external off escape manhole of escape from piping lane or tunnel internal, outside piping lane
The decline ball valve 11.1 of the valve terminal 5 of fixed opening and closing device 1.1 is fixed on the drawstring on its handle by portion by pulling, by under
Drop ball valve 11.1 is opened, and at this moment 2 rodless cavity fluid of escape manhole hydraulic cylinder passes through decline ball under the action of the dead weight of hydraulic pressure well lid
Valve 11.1 and throttle valve 12, due to the effect of counterbalance valve 13, a part of fluid enters having for hydraulic cylinder 2 by pick-proof ball valve 11.2
Rod cavity, plays the role of repairing, prevents 2 rod chamber of escape manhole hydraulic cylinder to be emptied, and the unnecessary fluid of another part passes through back pressure
Valve 13 returns to fuel tank 3.The decline closing velocity of escape manhole can be adjusted by throttle valve 12.
When closing escape manhole from piping lane or tunnel outer, mobile opening and closing device 1.2 is connected to system pipes outside piping lane
Lu Zhong, the flow of operating method is identical with the workflow that said external is closed, and does not repeat one by one herein.
Daily pick-proof working status, pick-proof ball valve 11.2 are closed, and locking escape manhole hydraulic cylinder 2 has bar
Chamber, makes the rod chamber of escape manhole hydraulic cylinder 2 be full of fluid, prevents open manhole cover under external force, realize pick-proof and anti-theft
Function, while prevent the seal aging of escape manhole hydraulic cylinder 2.
The manual ball valve for the valve terminal 5 that the utility model uses can also use hand-operated direction valve, solenoid valve etc. to substitute, hand
Dynamic pump 9 can also use foot pump, electrodynamic pump etc. to substitute, and similar this conversion is all within the scope of protection of the utility model.
Finally illustrate, preferred embodiment above only to illustrate the technical solution of utility model and unrestricted, although
The utility model has been described in detail by above preferred embodiment, however, those skilled in the art should understand that,
Various changes can be made to it in the form and details, are limited without departing from the utility model claims book
Scope.
Claims (7)
- A kind of 1. escape manhole hydraulic control circuit, it is characterised in that：Comprising fixed open and close controlling circuit, the fixed opening and closing control Circuit processed includes sequentially connected oil module, manual pump unit and valve terminal, and the fixed open and close controlling circuit also includes Interface end I and interface end II；The oil module includes fuel tank and breathing helmet, and the breathing helmet is arranged on the fuel tank；The manual pump unit includes pump and safety valve manually, and the pump manually is arranged between fuel tank and interface end I, for producing Raw pressure oil supply control valve group；The valve terminal includes counterbalance valve, pick-proof ball valve, throttle valve and declines ball valve, and the import of the counterbalance valve is prevented with described One end of sled ball valve is connected, and the other end of the pick-proof ball valve is connected to interface end II, and the outlet of the counterbalance valve is connected to institute Fuel tank is stated, one end of the throttle valve is connected to the import of the counterbalance valve, and the other end is connected with one end of the decline ball valve, Described one end for declining ball valve is connected to the outlet pumped manually；The input end of the safety valve is arranged on the outlet pumped manually, and the port of export is arranged on the back pressure valve outlet and fuel tank On connected pipeline；The fixed open and close controlling circuit is fixed in the piping lane or tunnel under hydraulic pressure escape manhole, liquid during for escaping or overhaul The inside opening and closing of pressure cover for manhole.
- A kind of 2. escape manhole hydraulic control circuit according to claim 1, it is characterised in that：The disengaging pumped manually Mouth is both provided with check valve, for flowing through the pressure oil one-way flow pumped manually.
- A kind of 3. escape manhole hydraulic control circuit according to claim 1, it is characterised in that：The oil module also wraps Containing filter, the filter is arranged on the oil inlet end pumped manually, is placed in the fuel tank, plays to the pump manually The filtration of oil inlet.
- A kind of 4. escape manhole hydraulic control circuit according to claim 1, it is characterised in that：The hand for declining ball valve Pommel is connected with drawstring.
- A kind of 5. escape manhole hydraulic control circuit according to claim 1, it is characterised in that：Also set up on the fuel tank There is oil ga(u)ge, the oil ga(u)ge is used for the oil level for observing the fuel tank.
- A kind of 6. escape manhole hydraulic control circuit according to claim 1, it is characterised in that：The interface end I and connect Delivery gauge I and delivery gauge II are respectively arranged with pipeline corresponding to mouth end II, for indicating interface end I and interface Hold the oil pressure at II；Pressure measuring tie-in is also respectively provided with the pipeline of the delivery gauge I and delivery gauge II, the exhaust for pipeline And pressure measurement.
- 7. according to a kind of escape manhole hydraulic control circuit of claim 1-6 any one of them, it is characterised in that：The escape Well lid hydraulic control circuit is also opened comprising mobile open and close controlling circuit, the structure in the mobile open and close controlling circuit with the fixation It is identical to close the structure of control loop, the mobile open and close controlling circuit is arranged on mobile trolley, is escaped for external rescue Or the exterior of hydraulic pressure well lid is opened and closed during maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399871.0U CN207349196U (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399871.0U CN207349196U (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit |
Publications (1)
| Publication Number | Publication Date |
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| CN207349196U true CN207349196U (en) | 2018-05-11 |
Family
ID=62356584
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721399871.0U Active CN207349196U (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit |
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| CN (1) | CN207349196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559258A (en) * | 2017-10-26 | 2018-01-09 | 中冶赛迪装备有限公司 | A kind of escape manhole hydraulic control circuit and control method |
-
2017
- 2017-10-26 CN CN201721399871.0U patent/CN207349196U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559258A (en) * | 2017-10-26 | 2018-01-09 | 中冶赛迪装备有限公司 | A kind of escape manhole hydraulic control circuit and control method |
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