CN107559258A - A kind of escape manhole hydraulic control circuit and control method - Google Patents
A kind of escape manhole hydraulic control circuit and control method Download PDFInfo
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- CN107559258A CN107559258A CN201711015151.4A CN201711015151A CN107559258A CN 107559258 A CN107559258 A CN 107559258A CN 201711015151 A CN201711015151 A CN 201711015151A CN 107559258 A CN107559258 A CN 107559258A
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- escape
- valve
- oil
- escape manhole
- manual pump
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Abstract
The present invention provides a kind of escape manhole hydraulic control circuit and control method, 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 produces pressure oil 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 in the presence 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 outside opening and closing of escape manhole is realized, for the emergency relief or maintenance outside piping lane or tunnel.The present invention has the characteristics of simple in construction, easy to operate, cost is low, emergency escape response is fast, safe and reliable.Meanwhile the present invention is Non-energy-consumption device, manual hand manipulation, is especially suitable for for this dispersed placement facility of escape manhole.
Description
Technical field
The invention belongs to municipal administration synthesis pipe gallery and tunnel field, is related to a kind of escape manhole hydraulic control circuit and controlling party
Method.
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 typically 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, cause 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 electrical equipment 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, the potential safety hazard that power supply reliability be present, and be mostly fixed dress
Put, mobility is poor.When running into the emergencies such as fire, easily there is well lid and open slow or even can not open, cause
Loss of personal property.
The content of the invention
In view of this, it is an object of the invention to provide a kind of escape manhole hydraulic control circuit and control method, so that
Realize the purpose that daily well lid pick-proof, outside opening and closing rescue and maintenance are annexed from well lid fast-escape.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of escape manhole hydraulic control circuit, comprising fixed open and close controlling loop, the fixed open and close controlling loop bag
Containing oil module, manual pump unit and the valve terminal being sequentially connected, the fixed open and close controlling loop also includes the He of interface end I
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 manual pump and safety valve, and the manual pump 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, choke 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 choke 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 of the manual pump；
The entrance point of the safety valve is arranged on the outlet of the manual pump, the port of export be arranged on the back pressure valve outlet with
On the connected pipeline of fuel tank；
The fixed open and close controlling loop 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 of the manual pump are provided with check valve, and the pressure oil for flowing through manual pump is unidirectional
Flowing.
Further, the oil module also includes filter, and the filter is arranged on the oil inlet end of the manual pump, and
It is placed in the fuel tank, plays the filtration to the manual pump oil-feed.
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 loop, the mobile opening and closing control
The structure in loop processed is identical with the structure in the fixed open and close controlling loop, and the mobile open and close controlling loop is arranged on movable type
On dolly, the outside of hydraulic pressure well lid is opened and closed when escaping or overhaul for external rescue.
A kind of escape manhole hydraulic control method, is comprised the following steps：
S1：Interface end I and interface end II are respectively connected to the rodless cavity and rod chamber of escape manhole hydraulic cylinder；
S2：Pick-proof ball valve is opened, the rod chamber of escape manhole hydraulic cylinder is connected with the import of counterbalance valve；
S3：Manually operated manual pump, oil is squeezed into the rodless cavity of escape manhole hydraulic cylinder；
S4：The oil of the rod chamber of escape manhole hydraulic cylinder enters fuel tank by pick-proof ball valve and counterbalance valve, and escape manhole is opened
Open, escaped；
S5：After the completion of escape, the drawstring on the handle end for declining ball valve is pulled, opens and declines ball valve, closes escape manhole.
The beneficial effects of the present invention are：
(1) present invention provides a kind of hydraulic control circuit for being used for municipal administration synthesis pipe gallery and tunnel hydraulic pressure escape manhole, tool
There is the characteristics of simple in construction, easy to operate, cost-effective, emergency escape response is fast, safe and reliable.
(2) present invention is Non-energy-consumption device, manual hand manipulation, is especially suitable for for this dispersed placement of escape manhole.
(3) present invention can effectively meet the two-way escape operating mode of escape manhole, can be not only used for municipal administration synthesis pipe gallery
And the emergency escape in tunnel, while can be used for the maintenance repair and maintenance in piping lane and tunnel.
(4) present invention can effectively realize external off, the closing velocity tune opened after self-locking, escape of escape manhole
Section, pick-proof and anti-theft and external rescue open function.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the hydraulic control circuit structured flowchart of the present invention；
Fig. 2 is the hydraulic control circuit schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show the component relevant with the present invention in schema then rather than according to component count, shape and the size during actual implement
Draw, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout kenel
It is likely more complexity.
The present invention provides a kind of hydraulic control circuit for being used for municipal administration synthesis pipe gallery and tunnel hydraulic pressure escape manhole, including solid
Determine opening and closing device 1.1, mobile opening and closing device 1.2, escape manhole hydraulic cylinder 2 and connecting pipe, the control of fixed opening and closing device 1.1
Hydraulic circuit processed controls the control method of hydraulic circuit consistent with mobile opening and closing device 1.2, and the control of two hydraulic circuits is not interfere with each other,
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 accompanying 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, filter 8, manual pump 9, safety valve 10, decline ball valve 11.1, pick-proof ball valve 11.2, choke 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 oil module, manual pump unit 4 and the valve terminal 5 being sequentially connected, 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 manual pump 9 and safety valve 10, and manual pump 9 is arranged between fuel tank 3 and interface end I, 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, choke 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 choke 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 manual pump 9.
The entrance point of safety valve 10 is arranged on the outlet of manual pump 9, 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.Now, the outlet of manual pump 9 connects with the rodless cavity of escape manhole hydraulic cylinder 2, declines ball valve 11.1 and is closed.People
The pressurized handgrip of the manually operated manual pump 9 of work, the inlet port of manual pump 9 enter the pump housing by filter 8, pressure are produced after pressurization
Oil, pressure oil enter the rodless cavity of escape manhole hydraulic cylinder 2 by pipeline, and the fluid of the rod chamber of escape manhole hydraulic cylinder 2 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 manual pump 9 has unidirectionally
Valve, when escape manhole is opened, pressure oil can not reverse flow, escape manhole is constantly in open shape during personnel escape
State, it effectively prevent escape manhole and cause the possibility of personal injury because 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 device 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 the rodless cavity fluid of escape manhole hydraulic cylinder 2 passes through decline ball in the presence of the deadweight of hydraulic pressure well lid
Valve 11.1 and choke 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, play a part of repairing, prevent the rod chamber of escape manhole hydraulic cylinder 2 to be emptied, 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 choke 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 condition, pick-proof ball valve 11.2 are closed, and locking escape manhole hydraulic cylinder 2 has bar
Chamber, the rod chamber of escape manhole hydraulic cylinder 2 is full of fluid, prevent 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 present invention uses can also use hand-operated direction valve, magnetic valve etc. to substitute, manual pump
9 can also use foot pump, electrodynamic pump etc. to substitute, and similar this conversion is all within protection scope of the present invention.
Finally illustrate, preferred embodiment above only to illustrate invention technical scheme and it is unrestricted, although passing through
The present invention is described in detail for above preferred embodiment, it is to be understood by those skilled in the art that can be in shape
Various changes are made in formula and to it in details, without departing from claims of the present invention limited range.
Claims (8)
- A kind of 1. escape manhole hydraulic control circuit, it is characterised in that：Comprising fixed open and close controlling loop, the fixed opening and closing control Loop processed includes oil module, manual pump unit and the valve terminal being sequentially connected, and the fixed open and close controlling loop 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 manual pump and safety valve, and the manual pump 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, choke 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 choke 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 of the manual pump；The entrance point of the safety valve is arranged on the outlet of the manual pump, 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 loop 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 of the manual pump Mouth is provided with check valve, for flowing through the pressure oil one-way flow of manual pump.
- 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 of the manual pump, is placed in the fuel tank, plays to the manual pump The filtration of oil-feed.
- 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.
- A kind of 7. escape manhole hydraulic control circuit according to claim any one of 1-6, it is characterised in that：The escape Well lid hydraulic control circuit is also opened comprising mobile open and close controlling loop, the structure in the mobile open and close controlling loop with the fixation It is identical to close the structure of control loop, the mobile open and close controlling loop is arranged on mobile trolley, is escaped for external rescue Or the outside of hydraulic pressure well lid is opened and closed during maintenance.
- A kind of 8. escape manhole hydraulic control method, it is characterised in that：Comprise the following steps：S1：Interface end I and interface end II are respectively connected to the rodless cavity and rod chamber of escape manhole hydraulic cylinder；S2：Pick-proof ball valve is opened, the rod chamber of escape manhole hydraulic cylinder is connected with the import of counterbalance valve；S3：Manually operated manual pump, oil is squeezed into the rodless cavity of escape manhole hydraulic cylinder；S4：The oil of the rod chamber of escape manhole hydraulic cylinder enters fuel tank by pick-proof ball valve and counterbalance valve, and escape manhole is opened, entered Row escape；S5：After the completion of escape, the drawstring on the handle end for declining ball valve is pulled, opens and declines ball valve, closes escape manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015151.4A CN107559258A (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015151.4A CN107559258A (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559258A true CN107559258A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711015151.4A Pending CN107559258A (en) | 2017-10-26 | 2017-10-26 | A kind of escape manhole hydraulic control circuit and control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007303241A (en) * | 2006-05-15 | 2007-11-22 | Takashuu:Kk | Opening and closing device of manhole cover |
| CN203822728U (en) * | 2014-03-28 | 2014-09-10 | 三一汽车制造有限公司 | Material door opening hydraulic system and distributor |
| CN105951887A (en) * | 2016-06-28 | 2016-09-21 | 黑龙江省正赫新型材料科技股份有限公司 | Hydraulic well lid for comprehensive pipe rack |
| CN107059935A (en) * | 2017-06-13 | 2017-08-18 | 中冶赛迪装备有限公司 | Portable control device for hydraulic pressure escape manhole |
| CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
| CN207349196U (en) * | 2017-10-26 | 2018-05-11 | 中冶赛迪装备有限公司 | A kind of escape manhole hydraulic control circuit |
-
2017
- 2017-10-26 CN CN201711015151.4A patent/CN107559258A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007303241A (en) * | 2006-05-15 | 2007-11-22 | Takashuu:Kk | Opening and closing device of manhole cover |
| CN203822728U (en) * | 2014-03-28 | 2014-09-10 | 三一汽车制造有限公司 | Material door opening hydraulic system and distributor |
| CN105951887A (en) * | 2016-06-28 | 2016-09-21 | 黑龙江省正赫新型材料科技股份有限公司 | Hydraulic well lid for comprehensive pipe rack |
| CN107059935A (en) * | 2017-06-13 | 2017-08-18 | 中冶赛迪装备有限公司 | Portable control device for hydraulic pressure escape manhole |
| CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
| CN207349196U (en) * | 2017-10-26 | 2018-05-11 | 中冶赛迪装备有限公司 | A kind of escape manhole hydraulic control circuit |
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