CN209227595U - Urban Underground pipe gallery access hole composite material people's air defense safeguard - Google Patents
Urban Underground pipe gallery access hole composite material people's air defense safeguard Download PDFInfo
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- CN209227595U CN209227595U CN201821909284.6U CN201821909284U CN209227595U CN 209227595 U CN209227595 U CN 209227595U CN 201821909284 U CN201821909284 U CN 201821909284U CN 209227595 U CN209227595 U CN 209227595U
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Abstract
The utility model relates to Urban Underground pipe gallery access hole composite material people's air defense safeguard, including equipment door leaf, equipment doorframe, device latchup, equipment hinge page, fluid pressure drive device, equipment door leaf be used for by inside piping lane with the external world is closed is isolated；Equipment doorframe is used to support equipment door leaf and fixed equipment hinge page；Device latchup is set on the inside of equipment door leaf, for realizing being tightly fastened between equipment door leaf and equipment doorframe；Equipment hinge page connects equipment doorframe and equipment door leaf, is used to support equipment door leaf around hinge page axis flip-flop movement；Fluid pressure drive device is connect with device latchup and equipment door leaf, is made of control system and executing agency；The safety device with device latchup cooperation is additionally provided on the inside of equipment door leaf, safety device can guarantee that device latchup does not automatically reset under shock loads effect.The utility model has wide promotion and application prospect, has great war readiness benefit and significant economic benefit.
Description
Technical field
The utility model relates to a kind of people's air defense safeguard, especially a kind of Urban Underground pipe gallery access hole composite wood
Expect people's air defense safeguard, belongs to civil air defense constructions and installations safeguard field.
Background technique
The comprehensive corridor of city integrated piping lane, that is, underground urban duct is important infrastructure and the " life for ensureing city operations
Order line " engineering.According to the 5th article of regulation of State Council's " about instruction for promoting the construction of Urban Underground pipe gallery ": underground is comprehensive
The needs such as antidetonation, people's air defense and Integrate Natural Disasters Prevention should be met by closing piping lane Structural Design.China's piping lane is taken into account the building of people's airdefence and is in
Starting stage there is no the seriation protection for exit equipment for being specifically applied to pipe gallery at present, be unable to satisfy pipe gallery and set up defences
It is required that.Access hole is also known as escaping exit, is opened up on pipe gallery for service personnel's disengaging technical interior and emergency escape
Hole.Pipe gallery access hole airtight blast door is the people's air defense safeguard for being specifically applied to city integrated piping lane access hole.It should
Equipment is generally horizontal to be set on the outside of access hole oral area, is opened outward.Access hole airtight blast door primarily serves blocking in wartime
The effect of shock wave and isolation poison gas is usually used as the entrance that service personnel passes in and out piping lane engineering, in state of emergency such as fire
Escaping exit as technical interior personnel, and it is provided simultaneously with the functions such as flood, antitheft, anti-intrusion.The equipment can be achieved at the same time
Manually and automatic open close, it and is equipped with when inside uses and is easy to manpower and opens, and layman is difficult to out when outside uses
The safety device opened.
Door leaf selection and structure design, locking, hinge page design and the conceptual design for realizing that equipment automatically controls are people's air defenses
The main research of safeguard design work decides the protective benefits of safeguard and the superiority and inferiority of service performance.Door leaf
In terms of selection: armored concrete and steel being widely used at present as door leaf substrate, the advantage is that intensity is reliable, construction is convenient
And raw material is easy to get.But due to armored concrete and steel density is larger, poor corrosion resistance, therefore there are weight heavy, perishable, behaviour
Make the shortcomings such as laborious, cost is higher；Structure design aspect: the door leaf structure of safeguard mostly uses beam slab type, arch at present
Template and arch pulling plate type etc.；Locking, hinge page design aspect: blocking mechanism mostly uses retainer formula and bolt-type, hinge mechanism at present
Shaft type and split type etc. can be then divided into；Automatic control scheme design aspect: for there is the safeguard needs of automation demanding
Be designed to its automatic control system, product more mature at present has: the automatically controlled protection of dual-use, a machine three-use is set
It is standby, vertical rotary type, lift hydraulic control safeguard etc., but due to the disadvantages of there are complicated mechanism, control mode is single, it is above-mentioned
Control method control precision is not high, and reliability is poor.
Utility model content
Based on existing safeguard technical foundation, a kind of satisfaction war skill requirement, high degree of automation, high-strength light are proposed
Urban Underground pipe gallery access hole composite material people's air defense safeguard.It can provide for pipe gallery engineering access hole and efficiently may be used
The protection for exit measure leaned on improves pipe gallery and takes precautions against natural calamities capability to resist destruction, ensures technical interior personnel and equipment safety.
In order to solve the above technical problems, technical solution adopted in the utility model is:
Urban Underground pipe gallery access hole composite material people's air defense safeguard, the people's air defense safeguard includes appliance doors
Fan, equipment doorframe, device latchup, equipment hinge page, fluid pressure drive device, equipment door leaf are subject to the main component of load, are used in combination
In by inside piping lane with the external world is closed is isolated；Equipment doorframe is used to support equipment door leaf and fixed equipment hinge page, by angle steel welding
It is made, is embedded in door frame wall in advance by anchoring hook；Device latchup is set on the inside of equipment door leaf, for realizing equipment door leaf with set
Being tightly fastened between standby doorframe；Equipment hinge page connects equipment doorframe and equipment door leaf, is used to support equipment door leaf and turns over around hinge page axis
Transhipment is dynamic；Fluid pressure drive device is the power mechanism of equipment, is connect with device latchup and equipment door leaf, by control system and
Executing agency's composition；The safety device with device latchup cooperation is additionally provided on the inside of the equipment door leaf, safety device can be protected
Card device latchup does not automatically reset under shock loads effect.
Further, Urban Underground pipe gallery access hole composite material people's air defense safeguard is installed on the road surface of pavement
Or at greenbelt；When being installed on the road surface of pavement, equipment door leaf outer surface is concordant with road surface, does not influence personnel and vehicle is logical
Row；Equipment door leaf is usually in close state, when service personnel passes in and out piping lane engineering or piping lane internal staff's emergency escape, if
Standby door leaf is quickly opened under the action of fluid pressure drive device.
Further, equipment door leaf is SMC composite material door leaf, using SMC sheet shape film plastics through die press technology for forming system
At.
Further, it is provided with chain hook and knob on equipment door leaf, is set when chain hook is used for opening of device by chain fixation
Standby door leaf is shaken hands as convenient for the setting of commanding apparatus door leaf, the two is embedded in advance in appliance doors fan.
Further, the fixation between equipment hinge page and device latchup and equipment door leaf passes through the cooperation between bolt and built-in fitting
Connection is realized；Built-in fitting is made of M12 nut, and built-in fitting head uses cone cell.
Further, equipment hinge page is mainly made of doorframe free bearing, door leaf free bearing, flap, bearing, gasket, bolt；Door
Fan free bearing is connect by built-in fitting with equipment door leaf, and door leaf free bearing is hinged with flap by bearing, and flap is set to doorframe
On free bearing, doorframe free bearing is set on equipment doorframe by gasket and bolt.
Further, T-type snaps plate and is embedded in equipment door leaf, for realizing close between equipment door leaf and equipment doorframe
Envelope；Sealing joint strip, oblique band steel and support plate are arranged on the angle steel of equipment doorframe, and oblique band steel is arranged in two support plates
Side, sealing joint strip is arranged between oblique band steel and support plate, and snaps plate with T-type and be oppositely arranged.
Further, control system is mainly made of PLC programmable controller, various kinds of sensors；Executing agency mainly by
Hydraulic pump, hydraulic valve, hydraulic cylinder, hydraulic motor, accumulator are constituted, and hydraulic valve includes three position four-way directional control valve, throttle valve；It is hydraulic
Pump is connect with PLC programmable controller.
Further, in fluid pressure drive device, equipment door leaf is successively connect with a hydraulic cylinder, three position four-way directional control valve, if
Standby locking is successively connect with a hydraulic motor, throttle valve and another three position four-way directional control valve, two three position four-way directional control valves
Import oil circuit connects a check valve simultaneously, and check valve inlet is separately connected a manual pump and a hydraulic pump；One-way valved outlet oil
Road is also connected with accumulator and overflow valve, is additionally provided with electromagnet and manual switch on three position four-way directional control valve；Manual pump with
And filter and pressure gauge are additionally provided on hydraulic pump oil circuit.
The specific control method of unlatching of above-mentioned Urban Underground pipe gallery access hole composite material people's air defense safeguard, it is special
Sign is: control flow is as follows: when being connected to equipment door leaf open command, PLC programmable controller issues electric signal and controls liquid
Press pump starting, while the three position four-way directional control valve for controlling device latchup hydraulic motor branch connects oil circuit, hydraulic motor starts work
Make, commanding apparatus locking is converted to open state by closed state；When tapered end displacement sensor issues tapered end signal in place,
The three position four-way directional control valve that PLC programmable controller controls driving hydraulic cylinder branch connects oil circuit, and driving hydraulic cylinder is started to work,
Commanding apparatus door leaf overturns around hinge page axis and opens；Displacement sensor to equipment door leaf issues equipment door leaf and opens signal in place
When, PLC programmable controller controls three position four-way directional control valve and resets, and control system is in state of pressure keeping；Wherein, to hydraulic cylinder, liquid
The speed regulation of pressure motor can be realized by control one-way throttle valve；Under outage condition, system capacity needed for whole process can lead to
It crosses accumulator or manual pump manually handle obtains.
Compared with the existing technology, the utility model has the following technical effect that
The equipment can provide the oral area people's air defense safeguard procedures of high efficient and reliable for Urban Underground pipe gallery access hole, improve
Pipe gallery usually with the capability to resist destruction of taking precautions against natural calamities in wartime, ensures piping lane technical interior personnel and equipment safety.The utility model category
In civil air defense constructions and installations safeguard field.Its main utility model point is:
1. being put forward for the first time one kind based on intelligent comprehensive piping lane access hole safeguard made of SMC composite material, this is set
It is standby to can be used for personnel's maintenance and emergency escape.Equipment is controlled using hydraulic-driven, can be realized automatic open close, has intrusion alarm
Function has many advantages, such as that structure is simple, good appearance, high-strength light, is easily installed, manipulating convenient, can well solve work
Journey is badly in need of, and has important application value；
2. being based on hydraulic-driven and PLC control technology, a kind of pipe gallery access hole safeguard automatic control is designed
System can be achieved at the same time the automatic and manual opening-closing of access hole safeguard.The system high efficiency is reliable, can either prevent unrelated
Personnel invade piping lane technical interior, and are able to achieve the quick unlatching of equipment under outage condition, so that technical interior personnel be helped to exist
It escapes rapidly under the state of emergency.
Detailed description of the invention
Fig. 1 is the Urban Underground pipe gallery access hole composite material people's air defense safeguard main view of the utility model；
Fig. 2 is Fig. 1 front view；
Fig. 3 is Fig. 1 side view；
Fig. 4 is equipment door leaf structure main view；
Fig. 5 is Fig. 4 front view；
Fig. 6 is Fig. 4 side view；
Fig. 7 is equipment door leaf built-in fitting cross-sectional view；
Fig. 8 is Fig. 7 cross-sectional view；
Fig. 9 is equipment door leaf built-in fitting and equipment door leaf connection schematic diagram；
Figure 10 is device latchup schematic diagram；
Figure 11 is equipment hinge page schematic diagram；
Figure 12 is equipment door leaf seal form figure；
Figure 13 is equipment hydraulic control system schematic diagram.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
As shown in figures 1-13, the Urban Underground pipe gallery access hole composite material people's air defense safeguard of the utility model,
People's air defense safeguard includes equipment door leaf 100, equipment doorframe 200, device latchup 300, equipment hinge page 400, fluid pressure drive device
500, equipment door leaf 100 is subject to the main component of load, and for by inside piping lane with the external world is closed is isolated.Equipment doorframe
200 are used to support equipment door leaf 100 and fixed equipment hinge page 400, are made of 201 welding of angle steel, are embedded in door in advance by anchoring hook
Frame is within the walls.Device latchup 300 is set to 100 inside of equipment door leaf, for realizing between equipment door leaf 100 and equipment doorframe 200
It is tightly fastened.Equipment hinge page 400 connects equipment doorframe 200 and equipment door leaf 100, is used to support equipment door leaf 100 around hinge page axis
Flip-flop movement.Fluid pressure drive device 500 is the power mechanism of equipment, is connect with device latchup 300 and equipment door leaf 100,
It is made of control system and executing agency.The safety device cooperated with device latchup 300 is additionally provided on the inside of equipment door leaf 100
500, safety device 500 can guarantee that device latchup 300 does not automatically reset under shock loads effect.
Urban Underground pipe gallery access hole composite material people's air defense safeguard is installed on the road surface of pavement or greenbelt
Place.When being installed on the road surface of pavement, 100 outer surface of equipment door leaf is concordant with road surface, does not influence personnel and vehicle pass-through.If
It is in close state when flat for door leaf 100, when service personnel passes in and out piping lane engineering or piping lane internal staff's emergency escape, equipment
Door leaf 100 is quickly opened under the action of fluid pressure drive device 500.
Equipment door leaf 100 is SMC composite material door leaf, and SMC sheet is made through die press technology for forming using SMC sheet shape film plastics
Shape film plastics are a kind of resin-base glass fibre enhancing composite materials, compared with the materials such as conventional steel bar concrete, steel, the material
Material has the characteristics of corrosion-resistant, anti-aging, easy to process, high-strength light, can significantly drop for making safeguard door leaf 100
Low door leaf weight improves equipment weather resistance.The utility model proposes certain pattern synthesis piping lane access hole composite protection set
Standby 100 size 1200mm*1200mm of equipment door leaf, corresponding access hole port size be 1000mm*1000mm door leaf structure figure such as
Shown in Fig. 4-6.
To be easily installed setting suspension hook 21, suspension hook 21 is connect with equipment door leaf 100 by built-in fitting 22, is installed to equipment
It is detachable after finishing.Chain hook 23 and knob 24 are provided on equipment door leaf 100, chain hook 23 is used to fix when opening of device by chain
Equipment door leaf 100, knob 24 is, convenient for manipulation door leaf setting, the two is embedded in advance in appliance doors fan 100.To further decrease
Safeguard weight, equipment door leaf 100 be equipped with cavity 101 and pre-buried hole location 109, the specific location and size of cavity 101 with
Built-in fitting position is related, determines by calculating.
Fixation between equipment hinge page 400 and device latchup 300 and equipment door leaf 100 passes through matching between bolt and built-in fitting 22
Connection is closed to realize.Built-in fitting 22 is made of M12 nut, and to ensure that it can combine closely with SMC material, 22 head of built-in fitting is used
Cone cell, as Figure 7-8.The hinge page built-in fitting 22 being embedded in equipment door leaf 100 is as shown in Figure 9.
Due to the access hole safeguard smaller 1.2m*1.2m of door leaf size, installation space is limited, in line with easy to operate, knot
The device latchup form of the simple principle of structure, design is as shown in Figure 10.In order to which proof strength and airtight performance are reliable, device latchup
300 are arranged 4 tapered ends 301 altogether, are driven, are set at 300 center of device latchup by hydraulic motor 12.
Principle simple in line with structure, easy to operate, such as Figure 11 institute of equipment hinge page 400 that access hole safeguard uses
Show.Equipment hinge page 400 is mainly made of doorframe free bearing 401, door leaf free bearing 402, flap 403, bearing 404, gasket, bolt.
Door leaf free bearing 402 is connect by built-in fitting 22 with equipment door leaf 100, and door leaf free bearing 402 is cut with scissors by bearing 404 and flap 403
It connects, flap 403 is set on doorframe free bearing 402, and doorframe free bearing 402 is set on equipment doorframe 200 by gasket and bolt.
Equipment hinge page 400 is easy for installation for this, goes slick, and can guarantee free, the steady opening and closing of equipment door leaf.
Pipe gallery engineering has very high requirement for waterproof, the equipment as piping lane engineering oral area is set to, comprehensive
Piping lane access hole safeguard must meet waterproof requirement.The utility model is by the way of snapping plate and squeezing sealing joint strip, on the door
Fan surrounding has carried out Seal Design, and seal form is as shown in figure 12.T-type snaps plate 20 and is embedded in equipment door leaf 100, is used for
Realize the sealing between equipment door leaf 100 and equipment doorframe 200.Sealing joint strip 30, oblique band steel 31 and the setting of support plate 32 are being set
On the angle steel 201 of standby doorframe 200, the oblique setting of band steel 31 is arranged in two 32 insides of support plate, sealing joint strip 30 in oblique band steel 31
And between support plate 32, and plate 20 is snapped with T-type and is oppositely arranged.After equipment is closed, when sealing snaps the molding of plate 20 by T-type
It is embedded in extruding sealing joint strip 30 in SMC composite material door leaf in advance, realization is made using ageing-resistant sponge rubber.It is tiltedly flat in figure
Steel 31 plays the role of fixed adhesive tape, and support plate 32 plays fixing seal adhesive tape 30 and support equipment door leaf 100, the two
It is fixed by welding on doorframe angle steel 201.After equipment door leaf 100 is closed, sealing joint strip 30 is closed back in sustained height formation
Road ensure that the reliability of safeguard sealing.
Pipe gallery is the engineering of a system and complexity.On the one hand, all kinds of important pipelines of technical interior are throughout in order to protect
The safe and stable operation for demonstrate,proving pipeline system takes precautions against natural calamities for engineering, anti-intrusion has very high requirement.On the other hand, inside piping lane
The escape time of narrow space, Emergency time is extremely limited, therefore safeguard should generally meet automation and require.Pipe gallery
The design of safeguard automatic control system is established based on hydraulic-driven technology, sensor technology, PLC control technology, Neng Goushi
The functions such as the now intelligent environment monitoring of mouthguard equipment, the guide of automatic security alarm, emergency escape.For piping lane safeguard
Automation control demand, the utility model be based on hydraulic servo control system propose a kind of control program.Hydraulic servo control
System processed is mainly by hydraulic pump-power source, hydraulic cylinder-executing agency, hydraulic motor-executing agency, hydraulic valve, accumulator, PLC
Programmable controller and various kinds of sensors composition.
Control system is mainly made of PLC programmable controller, various kinds of sensors.Executing agency is mainly by hydraulic pump 3, liquid
Pressure valve, hydraulic cylinder 11, hydraulic motor 12, accumulator 6 are constituted, and hydraulic valve includes three position four-way directional control valve 8, throttle valve 13.It is hydraulic
Pump 3 is connect with PLC programmable controller.In fluid pressure drive device, equipment door leaf 100 successively with a hydraulic cylinder 11,3-position 4-way
Reversal valve 8 connects, and device latchup 300 successively connects with a hydraulic motor 12, throttle valve 13 and another three position four-way directional control valve 8
It connects, the import oil circuit of two three position four-way directional control valves 8 connects a check valve 5 simultaneously, and 5 import of check valve is separately connected a manual pump
2 and a hydraulic pump 3.Check valve 5 exports and is also connected with accumulator 6 and overflow valve 7 on oil circuit, on three position four-way directional control valve 8 also
It is provided with electromagnet 9 and manual switch 10.Filter 1 and pressure gauge 4 are additionally provided on 3 oil circuit of manual pump 2 and hydraulic pump.
In order to realize the stabilization to equipment door leaf and locking, accurately and fast control, pipe gallery composite material access hole
Safeguard control system executing agency includes that hydraulic cylinder 11 is 1 altogether, and hydraulic motor 12 is 1.Wherein: equipment door leaf 100
It is realized around the overturning of equipment hinge page axis by driving hydraulic cylinder 11, device latchup 300 runs through driving hydraulic motor 12 and realizes, tool
The hydraulic control system schematic diagram of body is as shown in figure 13.
The specific control method of unlatching of above-mentioned Urban Underground pipe gallery access hole composite material people's air defense safeguard, process
As follows: when being connected to equipment 100 open command of door leaf, PLC programmable controller issues electric signal control hydraulic pump 3 and starts, together
The three position four-way directional control valve 8 that time control control equipment is latched 300 hydraulic motor, 12 branch connects oil circuit, and hydraulic motor 12 is started to work,
Commanding apparatus locking 300 is converted to open state by closed state.The signal in place of tapered end 301 is issued to tapered end displacement sensor
When, the three position four-way directional control valve 8 that PLC programmable controller controls 11 branch of driving hydraulic cylinder connects oil circuit, driving hydraulic cylinder 11
It starts to work, commanding apparatus door leaf 100 overturns around hinge page axis and opens.Displacement sensor to equipment door leaf 100 issues appliance doors
When fan 100 opens signal in place, PLC programmable controller controls three position four-way directional control valve 8 and resets, and control system is in pressure maintaining shape
State.The speed regulation of hydraulic cylinder 11, hydraulic motor 12 can be realized by control one-way throttle valve 13.Under outage condition, whole process
Required system capacity can also be obtained by accumulator 6 (only starting in escape, as Emergency power source) or 2 manually handle of manual pump
?.The control flow that equipment is closed is similar with control flow is opened, and repeats no more.The motion control sequence of equipment are as follows: open on-off
Lock → door leaf.Closing-door leaf → locking.
Above-described embodiment, which is intended merely to become apparent from, illustrates that the technical solution of the utility model made enumerates, not to this reality
With novel restriction, those skilled in the art according to the common knowledge of this field to technical scheme it is flexible also
Within the application protection scope, in short, above-described embodiment is only to enumerate, the protection scope of the application is with appended claims
Subject to book range.
Claims (9)
1. Urban Underground pipe gallery access hole composite material people's air defense safeguard, it is characterised in that: the people's air defense safeguard
Including equipment door leaf (100), equipment doorframe (200), device latchup (300), equipment hinge page (400), fluid pressure drive device
(500), equipment door leaf (100) is subject to the main component of load, and for by inside piping lane with the external world is closed is isolated；Appliance doors
Frame (200) is used to support equipment door leaf (100) and fixed equipment hinge page (400), is made of angle steel (201) welding, passes through anchoring
Hook is embedded in door frame wall in advance；Device latchup (300) is set on the inside of equipment door leaf (100), for realizing equipment door leaf (100) with
Being tightly fastened between equipment doorframe (200)；Equipment hinge page (400) connects equipment doorframe (200) and equipment door leaf (100), is used for
Support equipment door leaf (100) is around hinge page axis flip-flop movement；Fluid pressure drive device (500) is the power mechanism of equipment, with equipment
It is latched (300) and equipment door leaf (100) connection, is made of control system and executing agency；On the inside of the equipment door leaf (100)
It is additionally provided with the safety device (600) with device latchup (300) cooperation, safety device (600) can guarantee device latchup (300)
It does not automatically reset under shock loads effect.
2. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: Urban Underground pipe gallery access hole composite material people's air defense safeguard is installed on the road surface of pavement or at greenbelt.
3. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: equipment door leaf (100) is SMC composite material door leaf.
4. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: chain hook (23) and knob (24) are provided on equipment door leaf (100), the two is embedded in advance in appliance doors fan (100).
5. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: the fixation between equipment hinge page (400) and device latchup (300) and equipment door leaf (100) passes through between bolt and built-in fitting (22)
Mating connection realize；Built-in fitting (22) is made of M12 nut, and built-in fitting (22) head uses cone cell.
6. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: equipment hinge page (400) mainly by doorframe free bearing (401), door leaf free bearing (402), flap (403), bearing (404), gasket,
Bolt is constituted；Door leaf free bearing (402) is connect by built-in fitting (22) with equipment door leaf (100), and door leaf free bearing (402) passes through bearing
(404) hingedly with flap (403), flap (403) is set on doorframe free bearing (401), and doorframe free bearing (401) passes through gasket
It is set on equipment doorframe (200) with bolt.
7. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: T-type snaps plate (20) and is embedded in equipment door leaf (100), for realizing equipment door leaf (100) and equipment doorframe (200)
Between sealing；The angle steel (201) of sealing joint strip (30), oblique band steel (31) and support plate (32) setting in equipment doorframe (200)
On, on the inside of two support plates (32), sealing joint strip (30) is arranged in oblique band steel (31) and support plate for oblique band steel (31) setting
(32) between, and plate (20) is snapped with T-type and is oppositely arranged.
8. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 1, feature exist
In: control system is mainly made of PLC programmable controller, various kinds of sensors；Executing agency is mainly by hydraulic pump (3), hydraulic
Valve, hydraulic cylinder (11), hydraulic motor (12), accumulator (6) are constituted, and hydraulic valve includes three position four-way directional control valve (8), throttle valve
(13)；Hydraulic pump (3) is connect with PLC programmable controller.
9. Urban Underground pipe gallery access hole composite material people's air defense safeguard according to claim 8, feature exist
In: in fluid pressure drive device, equipment door leaf (100) is successively connect with a hydraulic cylinder (11), three position four-way directional control valve (8), equipment
Locking (300) is successively connect with a hydraulic motor (12), throttle valve (13) and another three position four-way directional control valve (8), and two three
The import oil circuit of position and four-way reversing valve (8) connects a check valve (5) simultaneously, and check valve (5) import is separately connected a manual pump (2)
An and hydraulic pump (3)；Accumulator (6) and overflow valve (7), 3-position 4-way commutation are also connected on check valve (5) outlet oil circuit
Electromagnet (9) and manual switch (10) are additionally provided on valve (8)；It was additionally provided on manual pump (2) and hydraulic pump (3) oil circuit
Filter (1) and pressure gauge (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909284.6U CN209227595U (en) | 2018-11-20 | 2018-11-20 | Urban Underground pipe gallery access hole composite material people's air defense safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909284.6U CN209227595U (en) | 2018-11-20 | 2018-11-20 | Urban Underground pipe gallery access hole composite material people's air defense safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209227595U true CN209227595U (en) | 2019-08-09 |
Family
ID=67503648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821909284.6U Active CN209227595U (en) | 2018-11-20 | 2018-11-20 | Urban Underground pipe gallery access hole composite material people's air defense safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209227595U (en) |
-
2018
- 2018-11-20 CN CN201821909284.6U patent/CN209227595U/en active Active
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